nginx: src/event/quic/ngx_event

annotate src/event/quic/ngx_event_quic.c @ 8746:0c628de2e2b7 quic

QUIC: separate function for connection ids initialization. The function correctly cleans up resources in case of failure to create initial server id: it removes previously created udp node for odcid from listening rbtree.

author	Vladimir Homutov <vl@nginx.com>
date	Fri, 09 Apr 2021 11:33:10 +0300
parents	0b94e2df6389
children	c8bda5e1e662

rev	line source
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2 /*
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	3 * Copyright (C) Nginx, Inc.
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	4 */
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	5
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	6
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	7 #include <ngx_config.h>
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	8 #include <ngx_core.h>
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	9 #include <ngx_event.h>
8486 d0ac4449a07f QUIC: fixed bulding perl module by reducing header pollution. Sergey Kandaurov <pluknet@nginx.com> parents: 8483 diff changeset	10 #include <ngx_event_quic_transport.h>
d0ac4449a07f QUIC: fixed bulding perl module by reducing header pollution. Sergey Kandaurov <pluknet@nginx.com> parents: 8483 diff changeset	11 #include <ngx_event_quic_protection.h>
8736 714e9af983de QUIC: separate header for ngx_quic_connection_t. Vladimir Homutov <vl@nginx.com> parents: 8735 diff changeset	12 #include <ngx_event_quic_connection.h>
8737 76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	13 #include <ngx_event_quic_migration.h>
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	14 #include <ngx_sha1.h>
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	15
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	16
8697 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	17 #define ngx_quic_lost_threshold(qc) \
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	18 ngx_max(NGX_QUIC_TIME_THR * ngx_max((qc)->latest_rtt, (qc)->avg_rtt), \
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	19 NGX_QUIC_TIME_GRANULARITY)
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	20
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	21 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	22 * 7.4. Cryptographic Message Buffering
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	23 * Implementations MUST support buffering at least 4096 bytes of data
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	24 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	25 #define NGX_QUIC_MAX_BUFFERED 65535
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	26
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	27 #define NGX_QUIC_STREAM_GONE (void *) -1
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	28
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	29 #define NGX_QUIC_UNSET_PN (uint64_t) -1
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	30
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	31 /*
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	32 * Endpoints MUST discard packets that are too small to be valid QUIC
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	33 * packets. With the set of AEAD functions defined in [QUIC-TLS],
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	34 * packets that are smaller than 21 bytes are never valid.
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	35 */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	36 #define NGX_QUIC_MIN_PKT_LEN 21
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	37
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	38 #define NGX_QUIC_MIN_SR_PACKET 43 /* 5 random + 16 srt + 22 padding */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	39 #define NGX_QUIC_MAX_SR_PACKET 1200
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	40
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	41 #define NGX_QUIC_MAX_ACK_GAP 2
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	42
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	43
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	44 typedef ngx_int_t (ngx_quic_frame_handler_pt)(ngx_connection_t c,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	45 ngx_quic_frame_t frame, void data);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	46
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	47
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	48 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	49 static int ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	50 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	51 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	52 static int ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	53 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	54 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	55 #else
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	56 static int ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	57 enum ssl_encryption_level_t level, const uint8_t *read_secret,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	58 const uint8_t *write_secret, size_t secret_len);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	59 #endif
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	60
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	61 static int ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	62 enum ssl_encryption_level_t level, const uint8_t *data, size_t len);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	63 static int ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	64 static int ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	65 enum ssl_encryption_level_t level, uint8_t alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	66
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	67
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	68 static ngx_int_t ngx_quic_apply_transport_params(ngx_connection_t *c,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	69 ngx_quic_tp_t *ctp);
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	70 static ngx_quic_connection_t ngx_quic_new_connection(ngx_connection_t c,
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	71 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	72 static ngx_int_t ngx_quic_setup_connection_ids(ngx_connection_t *c,
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	73 ngx_quic_connection_t qc, ngx_quic_header_t pkt);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	74 static ngx_int_t ngx_quic_send_stateless_reset(ngx_connection_t *c,
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	75 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	76 static ngx_int_t ngx_quic_new_sr_token(ngx_connection_t c, ngx_str_t cid,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	77 u_char secret, u_char token);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	78 static ngx_int_t ngx_quic_process_stateless_reset(ngx_connection_t *c,
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	79 ngx_quic_header_t *pkt);
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	80 static ngx_int_t ngx_quic_negotiate_version(ngx_connection_t *c,
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	81 ngx_quic_header_t *inpkt);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	82 static ngx_int_t ngx_quic_create_server_id(ngx_connection_t c, u_char id);
8676 7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	83 #if (NGX_QUIC_BPF)
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	84 static ngx_int_t ngx_quic_bpf_attach_id(ngx_connection_t c, u_char id);
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	85 #endif
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	86 static ngx_int_t ngx_quic_send_retry(ngx_connection_t *c,
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	87 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	88 static ngx_int_t ngx_quic_new_token(ngx_connection_t c, u_char key,
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	89 ngx_str_t token, ngx_str_t odcid, time_t expires, ngx_uint_t is_retry);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	90 static void ngx_quic_address_hash(ngx_connection_t *c, ngx_uint_t no_port,
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	91 u_char buf[20]);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	92 static ngx_int_t ngx_quic_validate_token(ngx_connection_t *c,
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	93 u_char key, ngx_quic_header_t pkt);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	94 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c);
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	95 static ngx_inline size_t ngx_quic_max_udp_payload(ngx_connection_t *c);
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	96 static void ngx_quic_input_handler(ngx_event_t *rev);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	97
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	98 static ngx_int_t ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	99 static void ngx_quic_close_timer_handler(ngx_event_t *ev);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	100 static ngx_int_t ngx_quic_close_streams(ngx_connection_t *c,
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	101 ngx_quic_connection_t *qc);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	102
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	103 static ngx_int_t ngx_quic_input(ngx_connection_t c, ngx_buf_t b,
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	104 ngx_quic_conf_t *conf);
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	105 static ngx_int_t ngx_quic_process_packet(ngx_connection_t *c,
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	106 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	107 static ngx_int_t ngx_quic_process_payload(ngx_connection_t *c,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	108 ngx_quic_header_t *pkt);
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	109 static ngx_int_t ngx_quic_send_early_cc(ngx_connection_t *c,
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	110 ngx_quic_header_t inpkt, ngx_uint_t err, const char reason);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	111 static void ngx_quic_discard_ctx(ngx_connection_t *c,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	112 enum ssl_encryption_level_t level);
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	113 static ngx_int_t ngx_quic_check_csid(ngx_quic_connection_t *qc,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	114 ngx_quic_header_t *pkt);
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	115 static ngx_int_t ngx_quic_handle_frames(ngx_connection_t *c,
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	116 ngx_quic_header_t *pkt);
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	117 static ngx_int_t ngx_quic_ack_packet(ngx_connection_t *c,
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	118 ngx_quic_header_t *pkt);
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	119 static ngx_int_t ngx_quic_send_ack_range(ngx_connection_t *c,
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	120 ngx_quic_send_ctx_t *ctx, uint64_t smallest, uint64_t largest);
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	121 static void ngx_quic_drop_ack_ranges(ngx_connection_t *c,
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	122 ngx_quic_send_ctx_t *ctx, uint64_t pn);
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	123 static ngx_int_t ngx_quic_send_ack(ngx_connection_t *c,
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	124 ngx_quic_send_ctx_t *ctx);
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	125 static ngx_int_t ngx_quic_send_cc(ngx_connection_t *c);
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	126 static ngx_int_t ngx_quic_send_new_token(ngx_connection_t *c);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	127
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	128 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c,
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	129 ngx_quic_header_t pkt, ngx_quic_frame_t f);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	130 static ngx_int_t ngx_quic_handle_ack_frame_range(ngx_connection_t *c,
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	131 ngx_quic_send_ctx_t *ctx, uint64_t min, uint64_t max,
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	132 ngx_msec_t *send_time);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	133 static void ngx_quic_rtt_sample(ngx_connection_t c, ngx_quic_ack_frame_t ack,
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	134 enum ssl_encryption_level_t level, ngx_msec_t send_time);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	135 static void ngx_quic_handle_stream_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	136 ngx_quic_frame_t *f);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	137
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	138 static ngx_int_t ngx_quic_handle_ordered_frame(ngx_connection_t *c,
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	139 ngx_quic_frames_stream_t fs, ngx_quic_frame_t frame,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	140 ngx_quic_frame_handler_pt handler, void *data);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	141 static ngx_int_t ngx_quic_adjust_frame_offset(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	142 ngx_quic_frame_t *f, uint64_t offset_in);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	143 static ngx_int_t ngx_quic_buffer_frame(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	144 ngx_quic_frames_stream_t stream, ngx_quic_frame_t f);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	145
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	146 static ngx_int_t ngx_quic_handle_crypto_frame(ngx_connection_t *c,
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	147 ngx_quic_header_t pkt, ngx_quic_frame_t frame);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	148 static ngx_int_t ngx_quic_crypto_input(ngx_connection_t *c,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	149 ngx_quic_frame_t frame, void data);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	150 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c,
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	151 ngx_quic_header_t pkt, ngx_quic_frame_t frame);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	152 static ngx_int_t ngx_quic_stream_input(ngx_connection_t *c,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	153 ngx_quic_frame_t frame, void data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	154
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	155 static ngx_int_t ngx_quic_handle_max_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	156 ngx_quic_max_data_frame_t *f);
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	157 static ngx_int_t ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	158 ngx_quic_header_t pkt, ngx_quic_streams_blocked_frame_t f);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	159 static ngx_int_t ngx_quic_handle_stream_data_blocked_frame(ngx_connection_t *c,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	160 ngx_quic_header_t pkt, ngx_quic_stream_data_blocked_frame_t f);
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	161 static ngx_int_t ngx_quic_handle_max_stream_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	162 ngx_quic_header_t pkt, ngx_quic_max_stream_data_frame_t f);
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	163 static ngx_int_t ngx_quic_handle_reset_stream_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	164 ngx_quic_header_t pkt, ngx_quic_reset_stream_frame_t f);
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	165 static ngx_int_t ngx_quic_handle_stop_sending_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	166 ngx_quic_header_t pkt, ngx_quic_stop_sending_frame_t f);
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	167 static ngx_int_t ngx_quic_handle_max_streams_frame(ngx_connection_t *c,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	168 ngx_quic_header_t pkt, ngx_quic_max_streams_frame_t f);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	169 static ngx_int_t ngx_quic_handle_new_connection_id_frame(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	170 ngx_quic_header_t pkt, ngx_quic_new_conn_id_frame_t f);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	171 static ngx_int_t ngx_quic_retire_connection_id(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	172 enum ssl_encryption_level_t level, uint64_t seqnum);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	173 static ngx_int_t ngx_quic_handle_retire_connection_id_frame(ngx_connection_t *c,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	174 ngx_quic_header_t pkt, ngx_quic_retire_cid_frame_t f);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	175 static ngx_int_t ngx_quic_issue_server_ids(ngx_connection_t *c);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	176 static void ngx_quic_clear_temp_server_ids(ngx_connection_t *c);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	177 static ngx_quic_server_id_t ngx_quic_insert_server_id(ngx_connection_t c,
8735 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8734 diff changeset	178 ngx_quic_connection_t qc, ngx_str_t id);
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	179 static ngx_quic_client_id_t ngx_quic_alloc_client_id(ngx_connection_t c,
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	180 ngx_quic_connection_t *qc);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	181 static ngx_quic_server_id_t ngx_quic_alloc_server_id(ngx_connection_t c,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	182 ngx_quic_connection_t *qc);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	183
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	184 static ngx_int_t ngx_quic_output(ngx_connection_t *c);
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	185 static ngx_uint_t ngx_quic_get_padding_level(ngx_connection_t *c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	186 static ngx_int_t ngx_quic_generate_ack(ngx_connection_t *c,
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	187 ngx_quic_send_ctx_t *ctx);
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	188 static ssize_t ngx_quic_output_packet(ngx_connection_t *c,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	189 ngx_quic_send_ctx_t ctx, u_char data, size_t max, size_t min);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	190 static ngx_int_t ngx_quic_split_frame(ngx_connection_t c, ngx_quic_frame_t f,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	191 size_t len);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	192 static void ngx_quic_free_frames(ngx_connection_t c, ngx_queue_t frames);
8656 43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	193 static ssize_t ngx_quic_send(ngx_connection_t c, u_char buf, size_t len);
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	194
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	195 static void ngx_quic_set_packet_number(ngx_quic_header_t *pkt,
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	196 ngx_quic_send_ctx_t *ctx);
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	197 static void ngx_quic_pto_handler(ngx_event_t *ev);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	198 static void ngx_quic_lost_handler(ngx_event_t *ev);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	199 static ngx_int_t ngx_quic_detect_lost(ngx_connection_t *c);
8697 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	200 static void ngx_quic_set_lost_timer(ngx_connection_t *c);
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	201 static void ngx_quic_resend_frames(ngx_connection_t *c,
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	202 ngx_quic_send_ctx_t *ctx);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	203 static void ngx_quic_push_handler(ngx_event_t *ev);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	204
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	205 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	206 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel);
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	207 static ngx_quic_stream_t ngx_quic_find_stream(ngx_rbtree_t rbtree,
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	208 uint64_t id);
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	209 static ngx_quic_stream_t ngx_quic_create_client_stream(ngx_connection_t c,
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	210 uint64_t id);
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	211 static ngx_quic_stream_t ngx_quic_create_stream(ngx_connection_t c,
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	212 uint64_t id, size_t rcvbuf_size);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	213 static ssize_t ngx_quic_stream_recv(ngx_connection_t c, u_char buf,
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	214 size_t size);
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	215 static ssize_t ngx_quic_stream_send(ngx_connection_t c, u_char buf,
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	216 size_t size);
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	217 static ngx_chain_t ngx_quic_stream_send_chain(ngx_connection_t c,
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	218 ngx_chain_t *in, off_t limit);
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	219 static size_t ngx_quic_max_stream_flow(ngx_connection_t *c);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	220 static void ngx_quic_stream_cleanup_handler(void *data);
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	221 static void ngx_quic_shutdown_quic(ngx_connection_t *c);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	222 static void ngx_quic_free_frame(ngx_connection_t c, ngx_quic_frame_t frame);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	223
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	224 static void ngx_quic_congestion_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	225 ngx_quic_frame_t *frame);
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	226 static void ngx_quic_congestion_lost(ngx_connection_t *c,
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	227 ngx_quic_frame_t *frame);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	228
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	229 static ngx_chain_t ngx_quic_alloc_buf(ngx_connection_t c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	230 static void ngx_quic_free_bufs(ngx_connection_t c, ngx_chain_t in);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	231 static ngx_chain_t ngx_quic_copy_buf(ngx_connection_t c, u_char *data,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	232 size_t len);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	233 static ngx_chain_t ngx_quic_copy_chain(ngx_connection_t c, ngx_chain_t *in,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	234 size_t limit);
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	235 static ngx_chain_t ngx_quic_split_bufs(ngx_connection_t c, ngx_chain_t *in,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	236 size_t len);
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	237
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	238
8674 2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	239 static ngx_core_module_t ngx_quic_module_ctx = {
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	240 ngx_string("quic"),
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	241 NULL,
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	242 NULL
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	243 };
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	244
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	245
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	246 ngx_module_t ngx_quic_module = {
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	247 NGX_MODULE_V1,
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	248 &ngx_quic_module_ctx, /* module context */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	249 NULL, /* module directives */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	250 NGX_CORE_MODULE, /* module type */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	251 NULL, /* init master */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	252 NULL, /* init module */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	253 NULL, /* init process */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	254 NULL, /* init thread */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	255 NULL, /* exit thread */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	256 NULL, /* exit process */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	257 NULL, /* exit master */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	258 NGX_MODULE_V1_PADDING
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	259 };
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	260
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	261
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	262 static SSL_QUIC_METHOD quic_method = {
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	263 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	264 ngx_quic_set_read_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	265 ngx_quic_set_write_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	266 #else
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	267 ngx_quic_set_encryption_secrets,
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	268 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	269 ngx_quic_add_handshake_data,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	270 ngx_quic_flush_flight,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	271 ngx_quic_send_alert,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	272 };
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	273
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	274
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	275 #if (NGX_DEBUG)
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	276
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	277 static void
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	278 ngx_quic_log_frame(ngx_log_t log, ngx_quic_frame_t f, ngx_uint_t tx)
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	279 {
8613 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	280 u_char p, last, pos, end;
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	281 ssize_t n;
8614 3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	282 uint64_t gap, range, largest, smallest;
8613 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	283 ngx_uint_t i;
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	284 u_char buf[NGX_MAX_ERROR_STR];
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	285
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	286 p = buf;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	287 last = buf + sizeof(buf);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	288
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	289 switch (f->type) {
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	290
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	291 case NGX_QUIC_FT_CRYPTO:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	292 p = ngx_slprintf(p, last, "CRYPTO len:%uL off:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	293 f->u.crypto.length, f->u.crypto.offset);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	294 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	295
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	296 case NGX_QUIC_FT_PADDING:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	297 p = ngx_slprintf(p, last, "PADDING");
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	298 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	299
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	300 case NGX_QUIC_FT_ACK:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	301 case NGX_QUIC_FT_ACK_ECN:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	302
8614 3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	303 p = ngx_slprintf(p, last, "ACK n:%ui delay:%uL ",
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	304 f->u.ack.range_count, f->u.ack.delay);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	305
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	306 if (f->data) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	307 pos = f->data->buf->pos;
8695 0b3d70fbba99 QUIC: fixed logging ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8694 diff changeset	308 end = f->data->buf->last;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	309
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	310 } else {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	311 pos = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	312 end = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	313 }
8613 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	314
8614 3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	315 largest = f->u.ack.largest;
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	316 smallest = f->u.ack.largest - f->u.ack.first_range;
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	317
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	318 if (largest == smallest) {
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	319 p = ngx_slprintf(p, last, "%uL", largest);
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	320
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	321 } else {
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	322 p = ngx_slprintf(p, last, "%uL-%uL", largest, smallest);
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	323 }
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	324
8613 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	325 for (i = 0; i < f->u.ack.range_count; i++) {
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	326 n = ngx_quic_parse_ack_range(log, pos, end, &gap, &range);
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	327 if (n == NGX_ERROR) {
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	328 break;
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	329 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	330
8613 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	331 pos += n;
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	332
8614 3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	333 largest = smallest - gap - 2;
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	334 smallest = largest - range;
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	335
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	336 if (largest == smallest) {
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	337 p = ngx_slprintf(p, last, " %uL", largest);
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	338
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	339 } else {
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	340 p = ngx_slprintf(p, last, " %uL-%uL", largest, smallest);
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	341 }
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	342 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	343
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	344 if (f->type == NGX_QUIC_FT_ACK_ECN) {
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	345 p = ngx_slprintf(p, last, " ECN counters ect0:%uL ect1:%uL ce:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	346 f->u.ack.ect0, f->u.ack.ect1, f->u.ack.ce);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	347 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	348 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	349
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	350 case NGX_QUIC_FT_PING:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	351 p = ngx_slprintf(p, last, "PING");
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	352 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	353
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	354 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	355 p = ngx_slprintf(p, last,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	356 "NEW_CONNECTION_ID seq:%uL retire:%uL len:%ud",
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	357 f->u.ncid.seqnum, f->u.ncid.retire, f->u.ncid.len);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	358 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	359
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	360 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	361 p = ngx_slprintf(p, last, "RETIRE_CONNECTION_ID seqnum:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	362 f->u.retire_cid.sequence_number);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	363 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	364
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	365 case NGX_QUIC_FT_CONNECTION_CLOSE:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	366 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	367 p = ngx_slprintf(p, last, "CONNECTION_CLOSE%s err:%ui",
8692 0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t. Sergey Kandaurov <pluknet@nginx.com> parents: 8688 diff changeset	368 f->type == NGX_QUIC_FT_CONNECTION_CLOSE ? "" : "_APP",
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t. Sergey Kandaurov <pluknet@nginx.com> parents: 8688 diff changeset	369 f->u.close.error_code);
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	370
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	371 if (f->u.close.reason.len) {
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	372 p = ngx_slprintf(p, last, " %V", &f->u.close.reason);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	373 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	374
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	375 if (f->type == NGX_QUIC_FT_CONNECTION_CLOSE) {
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	376 p = ngx_slprintf(p, last, " ft:%ui", f->u.close.frame_type);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	377 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	378
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	379 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	380
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	381 case NGX_QUIC_FT_STREAM0:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	382 case NGX_QUIC_FT_STREAM1:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	383 case NGX_QUIC_FT_STREAM2:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	384 case NGX_QUIC_FT_STREAM3:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	385 case NGX_QUIC_FT_STREAM4:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	386 case NGX_QUIC_FT_STREAM5:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	387 case NGX_QUIC_FT_STREAM6:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	388 case NGX_QUIC_FT_STREAM7:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	389
8615 27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	390 p = ngx_slprintf(p, last, "STREAM id:0x%xL", f->u.stream.stream_id);
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	391
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	392 if (f->u.stream.off) {
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	393 p = ngx_slprintf(p, last, " off:%uL", f->u.stream.offset);
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	394 }
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	395
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	396 if (f->u.stream.len) {
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	397 p = ngx_slprintf(p, last, " len:%uL", f->u.stream.length);
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	398 }
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	399
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	400 if (f->u.stream.fin) {
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	401 p = ngx_slprintf(p, last, " fin:1");
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	402 }
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	403
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	404 #ifdef NGX_QUIC_DEBUG_FRAMES
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	405 {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	406 ngx_chain_t *cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	407
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	408 p = ngx_slprintf(p, last, " data:");
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	409
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	410 for (cl = f->data; cl; cl = cl->next) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	411 p = ngx_slprintf(p, last, "%*xs",
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	412 cl->buf->last - cl->buf->pos, cl->buf->pos);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	413 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	414 }
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	415 #endif
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	416
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	417 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	418
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	419 case NGX_QUIC_FT_MAX_DATA:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	420 p = ngx_slprintf(p, last, "MAX_DATA max_data:%uL on recv",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	421 f->u.max_data.max_data);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	422 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	423
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	424 case NGX_QUIC_FT_RESET_STREAM:
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	425 p = ngx_slprintf(p, last, "RESET_STREAM"
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	426 " id:0x%xL error_code:0x%xL final_size:0x%xL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	427 f->u.reset_stream.id, f->u.reset_stream.error_code,
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	428 f->u.reset_stream.final_size);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	429 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	430
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	431 case NGX_QUIC_FT_STOP_SENDING:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	432 p = ngx_slprintf(p, last, "STOP_SENDING id:0x%xL err:0x%xL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	433 f->u.stop_sending.id, f->u.stop_sending.error_code);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	434 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	435
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	436 case NGX_QUIC_FT_STREAMS_BLOCKED:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	437 case NGX_QUIC_FT_STREAMS_BLOCKED2:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	438 p = ngx_slprintf(p, last, "STREAMS_BLOCKED limit:%uL bidi:%ui",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	439 f->u.streams_blocked.limit, f->u.streams_blocked.bidi);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	440 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	441
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	442 case NGX_QUIC_FT_MAX_STREAMS:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	443 case NGX_QUIC_FT_MAX_STREAMS2:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	444 p = ngx_slprintf(p, last, "MAX_STREAMS limit:%uL bidi:%ui",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	445 f->u.max_streams.limit, f->u.max_streams.bidi);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	446 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	447
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	448 case NGX_QUIC_FT_MAX_STREAM_DATA:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	449 p = ngx_slprintf(p, last, "MAX_STREAM_DATA id:0x%xL limit:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	450 f->u.max_stream_data.id, f->u.max_stream_data.limit);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	451 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	452
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	453
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	454 case NGX_QUIC_FT_DATA_BLOCKED:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	455 p = ngx_slprintf(p, last, "DATA_BLOCKED limit:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	456 f->u.data_blocked.limit);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	457 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	458
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	459 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	460 p = ngx_slprintf(p, last, "STREAM_DATA_BLOCKED id:0x%xL limit:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	461 f->u.stream_data_blocked.id,
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	462 f->u.stream_data_blocked.limit);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	463 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	464
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	465 case NGX_QUIC_FT_PATH_CHALLENGE:
8670 b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5. Sergey Kandaurov <pluknet@nginx.com> parents: 8663 diff changeset	466 p = ngx_slprintf(p, last, "PATH_CHALLENGE data:0x%*xs",
b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5. Sergey Kandaurov <pluknet@nginx.com> parents: 8663 diff changeset	467 sizeof(f->u.path_challenge.data),
b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5. Sergey Kandaurov <pluknet@nginx.com> parents: 8663 diff changeset	468 f->u.path_challenge.data);
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	469 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	470
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	471 case NGX_QUIC_FT_PATH_RESPONSE:
8670 b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5. Sergey Kandaurov <pluknet@nginx.com> parents: 8663 diff changeset	472 p = ngx_slprintf(p, last, "PATH_RESPONSE data:0x%*xs",
b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5. Sergey Kandaurov <pluknet@nginx.com> parents: 8663 diff changeset	473 sizeof(f->u.path_challenge.data),
b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5. Sergey Kandaurov <pluknet@nginx.com> parents: 8663 diff changeset	474 f->u.path_challenge.data);
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	475 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	476
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	477 case NGX_QUIC_FT_NEW_TOKEN:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	478 p = ngx_slprintf(p, last, "NEW_TOKEN");
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	479 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	480
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	481 case NGX_QUIC_FT_HANDSHAKE_DONE:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	482 p = ngx_slprintf(p, last, "HANDSHAKE DONE");
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	483 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	484
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	485 default:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	486 p = ngx_slprintf(p, last, "unknown type 0x%xi", f->type);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	487 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	488 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	489
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	490 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, log, 0, "quic frame %s %s %*s",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	491 tx ? "tx" : "rx", ngx_quic_level_name(f->level),
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	492 p - buf, buf);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	493 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	494
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	495
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	496 static void
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	497 ngx_quic_connstate_dbg(ngx_connection_t *c)
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	498 {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	499 u_char p, last;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	500 ngx_quic_connection_t *qc;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	501 u_char buf[NGX_MAX_ERROR_STR];
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	502
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	503 p = buf;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	504 last = p + sizeof(buf);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	505
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	506 qc = ngx_quic_get_connection(c);
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	507
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	508 p = ngx_slprintf(p, last, "state:");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	509
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	510 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	511
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	512 if (qc->error) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	513 p = ngx_slprintf(p, last, "%s", qc->error_app ? " app" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	514 p = ngx_slprintf(p, last, " error:%ui", qc->error);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	515
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	516 if (qc->error_reason) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	517 p = ngx_slprintf(p, last, " \"%s\"", qc->error_reason);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	518 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	519 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	520
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	521 p = ngx_slprintf(p, last, "%s", qc->shutdown ? " shutdown" : "");
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	522 p = ngx_slprintf(p, last, "%s", qc->closing ? " closing" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	523 p = ngx_slprintf(p, last, "%s", qc->draining ? " draining" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	524 p = ngx_slprintf(p, last, "%s", qc->key_phase ? " kp" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	525 p = ngx_slprintf(p, last, "%s", qc->validated? " valid" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	526
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	527 } else {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	528 p = ngx_slprintf(p, last, " early");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	529 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	530
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	531 if (c->read->timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	532 p = ngx_slprintf(p, last,
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	533 qc && qc->send_timer_set ? " send:%M" : " read:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	534 c->read->timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	535 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	536
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	537 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	538
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	539 if (qc->push.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	540 p = ngx_slprintf(p, last, " push:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	541 qc->push.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	542 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	543
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	544 if (qc->pto.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	545 p = ngx_slprintf(p, last, " pto:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	546 qc->pto.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	547 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	548
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	549 if (qc->close.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	550 p = ngx_slprintf(p, last, " close:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	551 qc->close.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	552 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	553 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	554
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	555 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	556 "quic %*s", p - buf, buf);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	557 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	558
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	559 #else
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	560
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	561 #define ngx_quic_log_frame(log, f, tx)
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	562 #define ngx_quic_connstate_dbg(c)
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	563
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	564 #endif
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	565
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	566
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	567 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	568
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	569 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	570 ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	571 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	572 const uint8_t *rsecret, size_t secret_len)
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	573 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	574 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	575 ngx_quic_connection_t *qc;
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	576
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	577 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	578 qc = ngx_quic_get_connection(c);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	579
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	580 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	581 "quic ngx_quic_set_read_secret() level:%d", level);
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	582 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	583 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	584 "quic read secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	585 secret_len, rsecret);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	586 #endif
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	587
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	588 return ngx_quic_keys_set_encryption_secret(c->pool, 0, qc->keys, level,
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	589 cipher, rsecret, secret_len);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	590 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	591
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	592
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	593 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	594 ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	595 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	596 const uint8_t *wsecret, size_t secret_len)
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	597 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	598 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	599 ngx_quic_connection_t *qc;
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	600
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	601 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	602 qc = ngx_quic_get_connection(c);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	603
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	604 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	605 "quic ngx_quic_set_write_secret() level:%d", level);
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	606 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	607 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	608 "quic write secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	609 secret_len, wsecret);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	610 #endif
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	611
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	612 return ngx_quic_keys_set_encryption_secret(c->pool, 1, qc->keys, level,
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	613 cipher, wsecret, secret_len);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	614 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	615
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	616 #else
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	617
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	618 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	619 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	620 enum ssl_encryption_level_t level, const uint8_t *rsecret,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	621 const uint8_t *wsecret, size_t secret_len)
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	622 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	623 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	624 const SSL_CIPHER *cipher;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	625 ngx_quic_connection_t *qc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	626
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	627 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	628 qc = ngx_quic_get_connection(c);
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	629
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	630 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	631 "quic ngx_quic_set_encryption_secrets() level:%d", level);
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	632 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	633 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	634 "quic read secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	635 secret_len, rsecret);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	636 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	637
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	638 cipher = SSL_get_current_cipher(ssl_conn);
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	639
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	640 if (ngx_quic_keys_set_encryption_secret(c->pool, 0, qc->keys, level,
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	641 cipher, rsecret, secret_len)
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	642 != 1)
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	643 {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	644 return 0;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	645 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	646
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	647 if (level == ssl_encryption_early_data) {
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	648 return 1;
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	649 }
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	650
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	651 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	652 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	653 "quic write secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	654 secret_len, wsecret);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	655 #endif
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	656
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	657 return ngx_quic_keys_set_encryption_secret(c->pool, 1, qc->keys, level,
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	658 cipher, wsecret, secret_len);
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	659 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	660
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	661 #endif
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	662
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	663
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	664 static int
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	665 ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn,
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	666 enum ssl_encryption_level_t level, const uint8_t *data, size_t len)
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	667 {
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	668 u_char p, end;
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	669 size_t client_params_len;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	670 const uint8_t *client_params;
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	671 ngx_quic_tp_t ctp;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	672 ngx_quic_frame_t *frame;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	673 ngx_connection_t *c;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	674 ngx_quic_connection_t *qc;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	675 ngx_quic_frames_stream_t *fs;
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	676
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	677 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	678 qc = ngx_quic_get_connection(c);
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	679
8186 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 8185 diff changeset	680 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	681 "quic ngx_quic_add_handshake_data");
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	682
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	683 if (!qc->client_tp_done) {
8438 a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	684 /*
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	685 * things to do once during handshake: check ALPN and transport
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	686 * parameters; we want to break handshake if something is wrong
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	687 * here;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	688 */
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	689
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	690 #if defined(TLSEXT_TYPE_application_layer_protocol_negotiation)
8482 893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	691 if (qc->conf->require_alpn) {
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	692 unsigned int len;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	693 const unsigned char *data;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	694
8619 bb3f4f669417 QUIC: passing ssl_conn to SSL_get0_alpn_selected() directly. Sergey Kandaurov <pluknet@nginx.com> parents: 8617 diff changeset	695 SSL_get0_alpn_selected(ssl_conn, &data, &len);
8482 893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	696
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	697 if (len == 0) {
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	698 qc->error = 0x100 + SSL_AD_NO_APPLICATION_PROTOCOL;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	699 qc->error_reason = "unsupported protocol in ALPN extension";
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	700
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	701 ngx_log_error(NGX_LOG_INFO, c->log, 0,
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	702 "quic unsupported protocol in ALPN extension");
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	703 return 0;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	704 }
8438 a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	705 }
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	706 #endif
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	707
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	708 SSL_get_peer_quic_transport_params(ssl_conn, &client_params,
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	709 &client_params_len);
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	710
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	711 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	712 "quic SSL_get_peer_quic_transport_params():"
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	713 " params_len:%ui", client_params_len);
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	714
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	715 if (client_params_len == 0) {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	716 /* quic-tls 8.2 */
8447 97adb87f149b Get rid of hardcoded numbers used for quic handshake errors. Sergey Kandaurov <pluknet@nginx.com> parents: 8446 diff changeset	717 qc->error = NGX_QUIC_ERR_CRYPTO(SSL_AD_MISSING_EXTENSION);
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	718 qc->error_reason = "missing transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	719
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	720 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	721 "missing transport parameters");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	722 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	723 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	724
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	725 p = (u_char *) client_params;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	726 end = p + client_params_len;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	727
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	728 /* defaults for parameters not sent by client */
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	729 ngx_memcpy(&ctp, &qc->ctp, sizeof(ngx_quic_tp_t));
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	730
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	731 if (ngx_quic_parse_transport_params(p, end, &ctp, c->log)
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	732 != NGX_OK)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	733 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	734 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	735 qc->error_reason = "failed to process transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	736
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	737 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	738 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	739
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	740 if (ngx_quic_apply_transport_params(c, &ctp) != NGX_OK) {
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	741 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	742 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	743
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	744 qc->client_tp_done = 1;
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	745 }
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	746
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	747 fs = &qc->crypto[level];
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	748
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	749 frame = ngx_quic_alloc_frame(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	750 if (frame == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	751 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	752 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	753
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	754 frame->data = ngx_quic_copy_buf(c, (u_char *) data, len);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	755 if (frame->data == NGX_CHAIN_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	756 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	757 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	758
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	759 frame->level = level;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	760 frame->type = NGX_QUIC_FT_CRYPTO;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	761 frame->u.crypto.offset = fs->sent;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	762 frame->u.crypto.length = len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	763
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	764 fs->sent += len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	765
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	766 ngx_quic_queue_frame(qc, frame);
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	767
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	768 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	769 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	770
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	771
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	772 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	773 ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	774 {
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	775 #if (NGX_DEBUG)
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	776 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	777
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	778 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	779
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	780 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	781 "quic ngx_quic_flush_flight()");
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	782 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	783 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	784 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	785
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	786
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	787 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	788 ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, enum ssl_encryption_level_t level,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	789 uint8_t alert)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	790 {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	791 ngx_connection_t *c;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	792 ngx_quic_connection_t *qc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	793
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	794 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	795
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	796 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	797 "quic ngx_quic_send_alert() lvl:%d alert:%d",
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	798 (int) level, (int) alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	799
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	800 qc = ngx_quic_get_connection(c);
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	801 if (qc == NULL) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	802 return 1;
8235 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	803 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	804
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	805 qc->error_level = level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	806 qc->error = NGX_QUIC_ERR_CRYPTO(alert);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	807 qc->error_reason = "TLS alert";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	808 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	809 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	810
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	811 if (ngx_quic_send_cc(c) != NGX_OK) {
8235 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	812 return 0;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	813 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	814
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	815 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	816 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	817
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	818
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	819 static ngx_int_t
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	820 ngx_quic_apply_transport_params(ngx_connection_t c, ngx_quic_tp_t ctp)
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	821 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	822 ngx_quic_connection_t *qc;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	823
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	824 qc = ngx_quic_get_connection(c);
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	825
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	826 if (qc->scid.len != ctp->initial_scid.len
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	827 \|\| ngx_memcmp(qc->scid.data, ctp->initial_scid.data, qc->scid.len) != 0)
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	828 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	829 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	830 "quic client initial_source_connection_id mismatch");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	831 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	832 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	833
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	834 if (ctp->max_udp_payload_size < NGX_QUIC_MIN_INITIAL_SIZE
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	835 \|\| ctp->max_udp_payload_size > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE)
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	836 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	837 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	838 qc->error_reason = "invalid maximum packet size";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	839
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	840 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	841 "quic maximum packet size is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	842 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	843
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	844 } else if (ctp->max_udp_payload_size > ngx_quic_max_udp_payload(c)) {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	845 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	846 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	847 "quic client maximum packet size truncated");
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	848 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	849
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	850 if (ctp->active_connection_id_limit < 2) {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	851 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	852 qc->error_reason = "invalid active_connection_id_limit";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	853
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	854 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	855 "quic active_connection_id_limit is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	856 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	857 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	858
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	859 if (ctp->ack_delay_exponent > 20) {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	860 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	861 qc->error_reason = "invalid ack_delay_exponent";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	862
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	863 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	864 "quic ack_delay_exponent is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	865 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	866 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	867
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	868 if (ctp->max_ack_delay > 16384) {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	869 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	870 qc->error_reason = "invalid max_ack_delay";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	871
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	872 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	873 "quic max_ack_delay is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	874 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	875 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	876
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	877 if (ctp->max_idle_timeout > 0
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	878 && ctp->max_idle_timeout < qc->tp.max_idle_timeout)
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	879 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	880 qc->tp.max_idle_timeout = ctp->max_idle_timeout;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	881 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	882
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	883 qc->streams.server_max_streams_bidi = ctp->initial_max_streams_bidi;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	884 qc->streams.server_max_streams_uni = ctp->initial_max_streams_uni;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	885
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	886 ngx_memcpy(&qc->ctp, ctp, sizeof(ngx_quic_tp_t));
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	887
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	888 return NGX_OK;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	889 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	890
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	891
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	892 void
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	893 ngx_quic_run(ngx_connection_t c, ngx_quic_conf_t conf)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	894 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	895 ngx_int_t rc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	896 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	897
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	898 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic run");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	899
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	900 rc = ngx_quic_input(c, c->buffer, conf);
8536 c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	901 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	902 ngx_quic_close_connection(c, rc == NGX_DECLINED ? NGX_DONE : NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	903 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	904 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	905
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	906 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	907
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	908 if (qc == NULL) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	909 ngx_quic_close_connection(c, NGX_DONE);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	910 return;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	911 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	912
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	913 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	914 ngx_quic_connstate_dbg(c);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	915
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	916 c->read->handler = ngx_quic_input_handler;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	917
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	918 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	919 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	920
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	921
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	922 static ngx_quic_connection_t *
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	923 ngx_quic_new_connection(ngx_connection_t c, ngx_quic_conf_t conf,
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	924 ngx_quic_header_t *pkt)
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	925 {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	926 ngx_uint_t i;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	927 ngx_quic_tp_t *ctp;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	928 ngx_quic_connection_t *qc;
8387 eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	929
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	930 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	931 if (qc == NULL) {
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	932 return NULL;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	933 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	934
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	935 qc->keys = ngx_quic_keys_new(c->pool);
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	936 if (qc->keys == NULL) {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	937 return NULL;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	938 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	939
8624 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	940 qc->version = pkt->version;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	941
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	942 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	943 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	944
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	945 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	946 ngx_queue_init(&qc->send_ctx[i].frames);
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	947 ngx_queue_init(&qc->send_ctx[i].sent);
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	948 qc->send_ctx[i].largest_pn = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	949 qc->send_ctx[i].largest_ack = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	950 qc->send_ctx[i].largest_range = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	951 qc->send_ctx[i].pending_ack = NGX_QUIC_UNSET_PN;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	952 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	953
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	954 qc->send_ctx[0].level = ssl_encryption_initial;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	955 qc->send_ctx[1].level = ssl_encryption_handshake;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	956 qc->send_ctx[2].level = ssl_encryption_application;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	957
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	958 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	959 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	960 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	961
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	962 ngx_queue_init(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	963
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	964 qc->avg_rtt = NGX_QUIC_INITIAL_RTT;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	965 qc->rttvar = NGX_QUIC_INITIAL_RTT / 2;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	966 qc->min_rtt = NGX_TIMER_INFINITE;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	967
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	968 /*
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	969 * qc->latest_rtt = 0
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	970 */
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	971
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	972 qc->received = pkt->raw->last - pkt->raw->start;
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	973
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	974 qc->pto.log = c->log;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	975 qc->pto.data = c;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	976 qc->pto.handler = ngx_quic_pto_handler;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	977 qc->pto.cancelable = 1;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	978
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	979 qc->push.log = c->log;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	980 qc->push.data = c;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	981 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	982 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	983
8481 0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	984 qc->conf = conf;
0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	985 qc->tp = conf->tp;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	986
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	987 if (qc->tp.disable_active_migration) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	988 qc->sockaddr = ngx_palloc(c->pool, c->socklen);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	989 if (qc->sockaddr == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	990 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	991 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	992
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	993 ngx_memcpy(qc->sockaddr, c->sockaddr, c->socklen);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	994 qc->socklen = c->socklen;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	995 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	996
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	997 ctp = &qc->ctp;
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	998
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	999 /* defaults to be used before actual client parameters are received */
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1000 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	1001 ctp->ack_delay_exponent = NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT;
d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	1002 ctp->max_ack_delay = NGX_QUIC_DEFAULT_MAX_ACK_DELAY;
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	1003 ctp->active_connection_id_limit = 2;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	1004
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1005 qc->streams.recv_max_data = qc->tp.initial_max_data;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	1006
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	1007 qc->streams.client_max_streams_uni = qc->tp.initial_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	1008 qc->streams.client_max_streams_bidi = qc->tp.initial_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	1009
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	1010 qc->congestion.window = ngx_min(10 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	1011 ngx_max(2 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	1012 14720));
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	1013 qc->congestion.ssthresh = (size_t) -1;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1014 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1015
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1016 if (pkt->validated && pkt->retried) {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1017 qc->tp.retry_scid.len = pkt->dcid.len;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1018 qc->tp.retry_scid.data = ngx_pstrdup(c->pool, &pkt->dcid);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1019 if (qc->tp.retry_scid.data == NULL) {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1020 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1021 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1022 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1023
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1024 if (ngx_quic_keys_set_initial_secret(c->pool, qc->keys, &pkt->dcid,
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1025 qc->version)
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1026 != NGX_OK)
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1027 {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1028 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1029 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1030
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1031 qc->validated = pkt->validated;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1032
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1033 if (ngx_quic_setup_connection_ids(c, qc, pkt) != NGX_OK) {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1034 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1035 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1036
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1037 return qc;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1038 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1039
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1040
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1041 static ngx_int_t
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1042 ngx_quic_setup_connection_ids(ngx_connection_t c, ngx_quic_connection_t qc,
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1043 ngx_quic_header_t *pkt)
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1044 {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1045 ngx_quic_server_id_t sid, osid;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1046 ngx_quic_client_id_t *cid;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1047
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1048 /*
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1049 * qc->nclient_ids = 0
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1050 * qc->nserver_ids = 0
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1051 * qc->max_retired_seqnum = 0
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1052 */
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1053
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1054 ngx_queue_init(&qc->client_ids);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1055 ngx_queue_init(&qc->server_ids);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1056 ngx_queue_init(&qc->free_client_ids);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1057 ngx_queue_init(&qc->free_server_ids);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1058
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1059 qc->odcid.len = pkt->odcid.len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1060 qc->odcid.data = ngx_pstrdup(c->pool, &pkt->odcid);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1061 if (qc->odcid.data == NULL) {
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1062 return NGX_ERROR;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1063 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1064
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1065 qc->tp.original_dcid = qc->odcid;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1066
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1067 qc->scid.len = pkt->scid.len;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1068 qc->scid.data = ngx_pstrdup(c->pool, &pkt->scid);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1069 if (qc->scid.data == NULL) {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1070 return NGX_ERROR;
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1071 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1072
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1073 qc->dcid.len = NGX_QUIC_SERVER_CID_LEN;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1074 qc->dcid.data = ngx_pnalloc(c->pool, qc->dcid.len);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1075 if (qc->dcid.data == NULL) {
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1076 return NGX_ERROR;
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1077 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1078
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1079 if (ngx_quic_create_server_id(c, qc->dcid.data) != NGX_OK) {
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1080 return NGX_ERROR;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1081 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1082
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	1083 qc->tp.initial_scid = qc->dcid;
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	1084
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	1085 cid = ngx_quic_alloc_client_id(c, qc);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1086 if (cid == NULL) {
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1087 return NGX_ERROR;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1088 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1089
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1090 cid->seqnum = 0;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1091 cid->len = pkt->scid.len;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1092 ngx_memcpy(cid->id, pkt->scid.data, pkt->scid.len);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1093
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1094 ngx_queue_insert_tail(&qc->client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1095 qc->nclient_ids++;
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	1096 qc->client_seqnum = 0;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1097
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1098 qc->server_seqnum = NGX_QUIC_UNSET_PN;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1099
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1100 osid = ngx_quic_insert_server_id(c, qc, &qc->odcid);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1101 if (osid == NULL) {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1102 return NGX_ERROR;
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1103 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1104
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1105 qc->server_seqnum = 0;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1106
8735 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8734 diff changeset	1107 sid = ngx_quic_insert_server_id(c, qc, &qc->dcid);
9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8734 diff changeset	1108 if (sid == NULL) {
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1109 ngx_rbtree_delete(&c->listening->rbtree, &osid->udp.node);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1110 return NGX_ERROR;
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1111 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1112
8735 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8734 diff changeset	1113 c->udp = &sid->udp;
9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8734 diff changeset	1114
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	1115 return NGX_OK;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1116 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1117
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1118
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1119 static ngx_int_t
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1120 ngx_quic_send_stateless_reset(ngx_connection_t c, ngx_quic_conf_t conf,
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1121 ngx_quic_header_t *pkt)
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1122 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1123 u_char *token;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1124 size_t len, max;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1125 uint16_t rndbytes;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1126 u_char buf[NGX_QUIC_MAX_SR_PACKET];
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1127
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1128 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1129 "quic handle stateless reset output");
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1130
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1131 if (pkt->len <= NGX_QUIC_MIN_PKT_LEN) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1132 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1133 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1134
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1135 if (pkt->len <= NGX_QUIC_MIN_SR_PACKET) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1136 len = pkt->len - 1;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1137
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1138 } else {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1139 max = ngx_min(NGX_QUIC_MAX_SR_PACKET, pkt->len * 3);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1140
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1141 if (RAND_bytes((u_char *) &rndbytes, sizeof(rndbytes)) != 1) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1142 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1143 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1144
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1145 len = (rndbytes % (max - NGX_QUIC_MIN_SR_PACKET + 1))
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1146 + NGX_QUIC_MIN_SR_PACKET;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1147 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1148
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1149 if (RAND_bytes(buf, len - NGX_QUIC_SR_TOKEN_LEN) != 1) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1150 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1151 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1152
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1153 buf[0] &= ~NGX_QUIC_PKT_LONG;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1154 buf[0] \|= NGX_QUIC_PKT_FIXED_BIT;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1155
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1156 token = &buf[len - NGX_QUIC_SR_TOKEN_LEN];
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1157
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1158 if (ngx_quic_new_sr_token(c, &pkt->dcid, conf->sr_token_key, token)
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1159 != NGX_OK)
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1160 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1161 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1162 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1163
8656 43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	1164 (void) ngx_quic_send(c, buf, len);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1165
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1166 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1167 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1168
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1169
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1170 static ngx_int_t
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1171 ngx_quic_new_sr_token(ngx_connection_t c, ngx_str_t cid, u_char *secret,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1172 u_char *token)
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1173 {
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1174 ngx_str_t tmp;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1175
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1176 tmp.data = secret;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1177 tmp.len = NGX_QUIC_SR_KEY_LEN;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1178
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1179 if (ngx_quic_derive_key(c->log, "sr_token_key", &tmp, cid, token,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1180 NGX_QUIC_SR_TOKEN_LEN)
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1181 != NGX_OK)
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1182 {
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1183 return NGX_ERROR;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1184 }
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1185
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1186 #if (NGX_DEBUG)
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1187 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1188 "quic stateless reset token %*xs",
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1189 (size_t) NGX_QUIC_SR_TOKEN_LEN, token);
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1190 #endif
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1191
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1192 return NGX_OK;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1193 }
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1194
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1195
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1196 static ngx_int_t
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1197 ngx_quic_process_stateless_reset(ngx_connection_t c, ngx_quic_header_t pkt)
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1198 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1199 u_char *tail, ch;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1200 ngx_uint_t i;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1201 ngx_queue_t *q;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1202 ngx_quic_client_id_t *cid;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1203 ngx_quic_connection_t *qc;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1204
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1205 qc = ngx_quic_get_connection(c);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1206
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1207 /* A stateless reset uses an entire UDP datagram */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1208 if (pkt->raw->start != pkt->data) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1209 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1210 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1211
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1212 tail = pkt->raw->last - NGX_QUIC_SR_TOKEN_LEN;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1213
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1214 for (q = ngx_queue_head(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1215 q != ngx_queue_sentinel(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1216 q = ngx_queue_next(q))
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1217 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1218 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1219
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1220 if (cid->seqnum == 0) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1221 /* no stateless reset token in initial connection id */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1222 continue;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1223 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1224
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1225 /* constant time comparison */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1226
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1227 for (ch = 0, i = 0; i < NGX_QUIC_SR_TOKEN_LEN; i++) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1228 ch \|= tail[i] ^ cid->sr_token[i];
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1229 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1230
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1231 if (ch == 0) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1232 return NGX_OK;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1233 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1234 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1235
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1236 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1237 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1238
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1239
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1240 static ngx_int_t
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1241 ngx_quic_negotiate_version(ngx_connection_t c, ngx_quic_header_t inpkt)
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1242 {
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1243 size_t len;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1244 ngx_quic_header_t pkt;
8625 4416b7ab0a27 QUIC: multiple versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8624 diff changeset	1245 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1246
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1247 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1248 "sending version negotiation packet");
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1249
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1250 pkt.log = c->log;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1251 pkt.flags = NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_FIXED_BIT;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1252 pkt.dcid = inpkt->scid;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1253 pkt.scid = inpkt->dcid;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1254
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1255 len = ngx_quic_create_version_negotiation(&pkt, buf);
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1256
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1257 #ifdef NGX_QUIC_DEBUG_PACKETS
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1258 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1259 "quic vnego packet to send len:%uz %*xs", len, len, buf);
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1260 #endif
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1261
8656 43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	1262 (void) ngx_quic_send(c, buf, len);
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1263
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1264 return NGX_ERROR;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1265 }
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1266
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1267
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1268 static ngx_int_t
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1269 ngx_quic_create_server_id(ngx_connection_t c, u_char id)
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1270 {
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1271 if (RAND_bytes(id, NGX_QUIC_SERVER_CID_LEN) != 1) {
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	1272 return NGX_ERROR;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	1273 }
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	1274
8676 7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1275 #if (NGX_QUIC_BPF)
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1276 if (ngx_quic_bpf_attach_id(c, id) != NGX_OK) {
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1277 ngx_log_error(NGX_LOG_ERR, c->log, 0,
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1278 "quic bpf failed to generate socket key");
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1279 /* ignore error, things still may work */
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1280 }
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1281 #endif
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1282
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1283 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1284 "quic create server id %*xs",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1285 (size_t) NGX_QUIC_SERVER_CID_LEN, id);
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1286 return NGX_OK;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1287 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1288
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1289
8676 7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1290 #if (NGX_QUIC_BPF)
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1291
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1292 static ngx_int_t
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1293 ngx_quic_bpf_attach_id(ngx_connection_t c, u_char id)
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1294 {
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1295 int fd;
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1296 uint64_t cookie;
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1297 socklen_t optlen;
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1298
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1299 fd = c->listening->fd;
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1300
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1301 optlen = sizeof(cookie);
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1302
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1303 if (getsockopt(fd, SOL_SOCKET, SO_COOKIE, &cookie, &optlen) == -1) {
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1304 ngx_log_error(NGX_LOG_ERR, c->log, ngx_socket_errno,
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1305 "quic getsockopt(SO_COOKIE) failed");
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1306
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1307 return NGX_ERROR;
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1308 }
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1309
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1310 ngx_quic_dcid_encode_key(id, cookie);
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1311
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1312 return NGX_OK;
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1313 }
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1314
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1315 #endif
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1316
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8674 diff changeset	1317
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1318 static ngx_int_t
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1319 ngx_quic_send_retry(ngx_connection_t c, ngx_quic_conf_t conf,
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1320 ngx_quic_header_t *inpkt)
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1321 {
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1322 time_t expires;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1323 ssize_t len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1324 ngx_str_t res, token;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1325 ngx_quic_header_t pkt;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1326
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1327 u_char buf[NGX_QUIC_RETRY_BUFFER_SIZE];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1328 u_char dcid[NGX_QUIC_SERVER_CID_LEN];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1329
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1330 expires = ngx_time() + NGX_QUIC_RETRY_TOKEN_LIFETIME;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1331
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1332 if (ngx_quic_new_token(c, conf->av_token_key, &token, &inpkt->dcid,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1333 expires, 1)
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1334 != NGX_OK)
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1335 {
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1336 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1337 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1338
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1339 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1340 pkt.flags = NGX_QUIC_PKT_FIXED_BIT \| NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_RETRY;
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1341 pkt.version = inpkt->version;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1342 pkt.log = c->log;
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1343
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1344 pkt.odcid = inpkt->dcid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1345 pkt.dcid = inpkt->scid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1346
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1347 /* TODO: generate routable dcid */
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1348 if (RAND_bytes(dcid, NGX_QUIC_SERVER_CID_LEN) != 1) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1349 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1350 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1351
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1352 pkt.scid.len = NGX_QUIC_SERVER_CID_LEN;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1353 pkt.scid.data = dcid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1354
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1355 pkt.token = token;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1356
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1357 res.data = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1358
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1359 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1360 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1361 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1362
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1363 #ifdef NGX_QUIC_DEBUG_PACKETS
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1364 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1365 "quic packet to send len:%uz %xV", res.len, &res);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1366 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1367
8656 43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	1368 len = ngx_quic_send(c, res.data, res.len);
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	1369 if (len == NGX_ERROR) {
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1370 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1371 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1372
8744 fa24745b8c06 QUIC: fixed debug message macro. Vladimir Homutov <vl@nginx.com> parents: 8737 diff changeset	1373 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
fa24745b8c06 QUIC: fixed debug message macro. Vladimir Homutov <vl@nginx.com> parents: 8737 diff changeset	1374 "quic retry packet sent to %xV", &pkt.dcid);
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1375
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1376 /*
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1377 * quic-transport 17.2.5.1: A server MUST NOT send more than one Retry
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1378 * packet in response to a single UDP datagram.
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1379 * NGX_DONE will stop quic_input() from processing further
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1380 */
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1381 return NGX_DONE;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1382 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1383
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1384
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1385 static ngx_int_t
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1386 ngx_quic_new_token(ngx_connection_t c, u_char key, ngx_str_t *token,
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1387 ngx_str_t *odcid, time_t exp, ngx_uint_t is_retry)
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1388 {
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1389 int len, iv_len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1390 u_char p, iv;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1391 EVP_CIPHER_CTX *ctx;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1392 const EVP_CIPHER *cipher;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1393
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1394 u_char in[NGX_QUIC_MAX_TOKEN_SIZE];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1395
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1396 ngx_quic_address_hash(c, !is_retry, in);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1397
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1398 p = in + 20;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1399
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1400 p = ngx_cpymem(p, &exp, sizeof(time_t));
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1401
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1402 *p++ = is_retry ? 1 : 0;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1403
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1404 if (odcid) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1405 *p++ = odcid->len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1406 p = ngx_cpymem(p, odcid->data, odcid->len);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1407
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1408 } else {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1409 *p++ = 0;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1410 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1411
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1412 len = p - in;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1413
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1414 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1415 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1416
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1417 token->len = iv_len + len + EVP_CIPHER_block_size(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1418 token->data = ngx_pnalloc(c->pool, token->len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1419 if (token->data == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1420 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1421 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1422
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1423 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1424 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1425 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1426 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1427
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1428 iv = token->data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1429
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1430 if (RAND_bytes(iv, iv_len) <= 0
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1431 \|\| !EVP_EncryptInit_ex(ctx, cipher, NULL, key, iv))
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1432 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1433 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1434 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1435 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1436
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1437 token->len = iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1438
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1439 if (EVP_EncryptUpdate(ctx, token->data + token->len, &len, in, len) != 1) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1440 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1441 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1442 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1443
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1444 token->len += len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1445
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1446 if (EVP_EncryptFinal_ex(ctx, token->data + token->len, &len) <= 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1447 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1448 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1449 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1450
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1451 token->len += len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1452
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1453 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1454
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1455 #ifdef NGX_QUIC_DEBUG_PACKETS
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1456 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1457 "quic new token len:%uz %xV", token->len, token);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1458 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1459
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1460 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1461 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1462
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1463
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1464 static void
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1465 ngx_quic_address_hash(ngx_connection_t *c, ngx_uint_t no_port, u_char buf[20])
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1466 {
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1467 size_t len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1468 u_char *data;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1469 ngx_sha1_t sha1;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1470 struct sockaddr_in *sin;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1471 #if (NGX_HAVE_INET6)
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1472 struct sockaddr_in6 *sin6;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1473 #endif
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1474
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1475 len = (size_t) c->socklen;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1476 data = (u_char *) c->sockaddr;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1477
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1478 if (no_port) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1479 switch (c->sockaddr->sa_family) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1480
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1481 #if (NGX_HAVE_INET6)
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1482 case AF_INET6:
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1483 sin6 = (struct sockaddr_in6 *) c->sockaddr;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1484
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1485 len = sizeof(struct in6_addr);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1486 data = sin6->sin6_addr.s6_addr;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1487
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1488 break;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1489 #endif
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1490
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1491 case AF_INET:
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1492 sin = (struct sockaddr_in *) c->sockaddr;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1493
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1494 len = sizeof(in_addr_t);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1495 data = (u_char *) &sin->sin_addr;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1496
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1497 break;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1498 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1499 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1500
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1501 ngx_sha1_init(&sha1);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1502 ngx_sha1_update(&sha1, data, len);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1503 ngx_sha1_final(buf, &sha1);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1504 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1505
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1506
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1507 static ngx_int_t
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1508 ngx_quic_validate_token(ngx_connection_t c, u_char key,
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1509 ngx_quic_header_t *pkt)
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1510 {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1511 int len, tlen, iv_len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1512 u_char iv, p;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1513 time_t now, exp;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1514 size_t total;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1515 ngx_str_t odcid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1516 EVP_CIPHER_CTX *ctx;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1517 const EVP_CIPHER *cipher;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1518
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1519 u_char addr_hash[20];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1520 u_char tdec[NGX_QUIC_MAX_TOKEN_SIZE];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1521
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1522 /* Retry token or NEW_TOKEN in a previous connection */
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1523
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1524 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1525 iv = pkt->token.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1526 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1527
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1528 /* sanity checks */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1529
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1530 if (pkt->token.len < (size_t) iv_len + EVP_CIPHER_block_size(cipher)) {
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1531 goto garbage;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1532 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1533
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1534 if (pkt->token.len > (size_t) iv_len + NGX_QUIC_MAX_TOKEN_SIZE) {
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1535 goto garbage;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1536 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1537
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1538 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1539 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1540 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1541 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1542
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1543 if (!EVP_DecryptInit_ex(ctx, cipher, NULL, key, iv)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1544 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1545 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1546 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1547
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1548 p = pkt->token.data + iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1549 len = pkt->token.len - iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1550
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1551 if (EVP_DecryptUpdate(ctx, tdec, &len, p, len) != 1) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1552 EVP_CIPHER_CTX_free(ctx);
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1553 goto garbage;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1554 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1555 total = len;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1556
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1557 if (EVP_DecryptFinal_ex(ctx, tdec + len, &tlen) <= 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1558 EVP_CIPHER_CTX_free(ctx);
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1559 goto garbage;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1560 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1561 total += tlen;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1562
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1563 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1564
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1565 if (total < (20 + sizeof(time_t) + 2)) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1566 goto garbage;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1567 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1568
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1569 p = tdec + 20;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1570
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1571 ngx_memcpy(&exp, p, sizeof(time_t));
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1572 p += sizeof(time_t);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1573
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1574 pkt->retried = (*p++ == 1);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1575
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1576 ngx_quic_address_hash(c, !pkt->retried, addr_hash);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1577
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1578 if (ngx_memcmp(tdec, addr_hash, 20) != 0) {
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1579 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1580 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1581
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1582 odcid.len = *p++;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1583 if (odcid.len) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1584 if (odcid.len > NGX_QUIC_MAX_CID_LEN) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1585 goto bad_token;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1586 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1587
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1588 if ((size_t)(tdec + total - p) < odcid.len) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1589 goto bad_token;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1590 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1591
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1592 odcid.data = p;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1593 p += odcid.len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1594 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1595
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1596 now = ngx_time();
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1597
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1598 if (now > exp) {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1599 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic expired token");
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1600 return NGX_DECLINED;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1601 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1602
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1603 if (odcid.len) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1604 pkt->odcid.len = odcid.len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1605 pkt->odcid.data = ngx_pstrdup(c->pool, &odcid);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1606 if (pkt->odcid.data == NULL) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1607 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1608 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1609
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1610 } else {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1611 pkt->odcid = pkt->dcid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1612 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1613
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1614 pkt->validated = 1;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1615
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1616 return NGX_OK;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1617
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1618 garbage:
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1619
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1620 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic garbage token");
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1621
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1622 return NGX_ABORT;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1623
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1624 bad_token:
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1625
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1626 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic invalid token");
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1627
8622 183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	1628 return NGX_DECLINED;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1629 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1630
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1631
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1632 static ngx_int_t
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	1633 ngx_quic_init_connection(ngx_connection_t *c)
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1634 {
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1635 u_char *p;
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1636 size_t clen;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1637 ssize_t len;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1638 ngx_ssl_conn_t *ssl_conn;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1639 ngx_quic_connection_t *qc;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1640
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1641 qc = ngx_quic_get_connection(c);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1642
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	1643 if (ngx_ssl_create_connection(qc->conf->ssl, c, NGX_SSL_BUFFER) != NGX_OK) {
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1644 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1645 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1646
8655 f596a4e5794b QUIC: disabling bidirectional SSL shutdown earlier. Sergey Kandaurov <pluknet@nginx.com> parents: 8652 diff changeset	1647 c->ssl->no_wait_shutdown = 1;
f596a4e5794b QUIC: disabling bidirectional SSL shutdown earlier. Sergey Kandaurov <pluknet@nginx.com> parents: 8652 diff changeset	1648
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1649 ssl_conn = c->ssl->connection;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1650
8232 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1651 if (SSL_set_quic_method(ssl_conn, &quic_method) == 0) {
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1652 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1653 "quic SSL_set_quic_method() failed");
8232 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1654 return NGX_ERROR;
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1655 }
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1656
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1657 #ifdef SSL_READ_EARLY_DATA_SUCCESS
8564 b52b2a33b0e5 QUIC: fixed build with OpenSSL after bed310672f39. Sergey Kandaurov <pluknet@nginx.com> parents: 8563 diff changeset	1658 if (SSL_CTX_get_max_early_data(qc->conf->ssl->ctx)) {
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1659 SSL_set_quic_early_data_enabled(ssl_conn, 1);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1660 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1661 #endif
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1662
8717 0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8710 diff changeset	1663 #if BORINGSSL_API_VERSION >= 13
0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8710 diff changeset	1664 SSL_set_quic_use_legacy_codepoint(ssl_conn, qc->version != 1);
0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8710 diff changeset	1665 #endif
0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8710 diff changeset	1666
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	1667 if (ngx_quic_new_sr_token(c, &qc->dcid, qc->conf->sr_token_key,
8634 831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1668 qc->tp.sr_token)
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1669 != NGX_OK)
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1670 {
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1671 return NGX_ERROR;
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1672 }
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1673
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1674 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1675 "quic stateless reset token %*xs",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1676 (size_t) NGX_QUIC_SR_TOKEN_LEN, qc->tp.sr_token);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1677
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1678 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp, &clen);
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1679 /* always succeeds */
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1680
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1681 p = ngx_pnalloc(c->pool, len);
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1682 if (p == NULL) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1683 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1684 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1685
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1686 len = ngx_quic_create_transport_params(p, p + len, &qc->tp, NULL);
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1687 if (len < 0) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1688 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1689 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1690
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1691 #ifdef NGX_QUIC_DEBUG_PACKETS
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1692 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	1693 "quic transport parameters len:%uz %*xs", len, len, p);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1694 #endif
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1695
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1696 if (SSL_set_quic_transport_params(ssl_conn, p, len) == 0) {
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1697 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1698 "quic SSL_set_quic_transport_params() failed");
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1699 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1700 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1701
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1702 #if NGX_OPENSSL_QUIC_ZRTT_CTX
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1703 if (SSL_set_quic_early_data_context(ssl_conn, p, clen) == 0) {
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1704 ngx_log_error(NGX_LOG_INFO, c->log, 0,
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1705 "quic SSL_set_quic_early_data_context() failed");
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1706 return NGX_ERROR;
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1707 }
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1708 #endif
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1709
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1710 return NGX_OK;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1711 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1712
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1713
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1714 static ngx_inline size_t
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1715 ngx_quic_max_udp_payload(ngx_connection_t *c)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1716 {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1717 /* TODO: path MTU discovery */
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1718
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1719 #if (NGX_HAVE_INET6)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1720 if (c->sockaddr->sa_family == AF_INET6) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1721 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT6;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1722 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1723 #endif
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1724
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1725 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1726 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1727
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1728
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1729 static void
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1730 ngx_quic_input_handler(ngx_event_t *rev)
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1731 {
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1732 ngx_int_t rc;
8730 90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8724 diff changeset	1733 ngx_buf_t *b;
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1734 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1735 ngx_quic_connection_t *qc;
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1736
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	1737 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic input handler");
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	1738
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1739 c = rev->data;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1740 qc = ngx_quic_get_connection(c);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1741
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	1742 c->log->action = "handling quic input";
8212 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	1743
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1744 if (rev->timedout) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1745 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1746 "quic client timed out");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1747 ngx_quic_close_connection(c, NGX_DONE);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1748 return;
8212 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	1749 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	1750
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1751 if (c->close) {
8442 b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 8439 diff changeset	1752 qc->error_reason = "graceful shutdown";
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 8439 diff changeset	1753 ngx_quic_close_connection(c, NGX_OK);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1754 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1755 }
8220 7ada2feeac18 Added processing of CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8218 diff changeset	1756
8730 90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8724 diff changeset	1757 if (!rev->ready) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1758 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1759 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1760 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1761 return;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1762 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1763
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1764 if (qc->tp.disable_active_migration) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1765 if (c->socklen != qc->socklen
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1766 \|\| ngx_memcmp(c->sockaddr, qc->sockaddr, c->socklen) != 0)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1767 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1768 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1769 "quic dropping packet from new address");
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1770 return;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1771 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1772 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1773
8734 c61fcdc1b8e3 UDP: extended datagram context. Vladimir Homutov <vl@nginx.com> parents: 8730 diff changeset	1774 b = c->udp->dgram->buffer;
8730 90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8724 diff changeset	1775
90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8724 diff changeset	1776 qc->received += (b->last - b->pos);
90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8724 diff changeset	1777
90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8724 diff changeset	1778 rc = ngx_quic_input(c, b, NULL);
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1779
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1780 if (rc == NGX_ERROR) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1781 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1782 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1783 }
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1784
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1785 if (rc == NGX_DECLINED) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1786 return;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1787 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1788
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1789 /* rc == NGX_OK */
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1790
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1791 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1792 ngx_add_timer(rev, qc->tp.max_idle_timeout);
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	1793
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	1794 ngx_quic_connstate_dbg(c);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1795 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1796
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1797
8736 714e9af983de QUIC: separate header for ngx_quic_connection_t. Vladimir Homutov <vl@nginx.com> parents: 8735 diff changeset	1798 void
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1799 ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc)
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1800 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1801 ngx_pool_t *pool;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1802 ngx_quic_connection_t *qc;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	1803
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1804 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	1805 "quic ngx_quic_close_connection rc:%i", rc);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1806
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1807 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1808
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1809 if (qc == NULL) {
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1810 if (rc == NGX_ERROR) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1811 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	1812 "quic close connection early error");
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	1813 }
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1814
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1815 } else if (ngx_quic_close_quic(c, rc) == NGX_AGAIN) {
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1816 return;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	1817 }
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1818
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1819 if (c->ssl) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1820 (void) ngx_ssl_shutdown(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1821 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1822
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1823 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1824 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1825 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1826
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1827 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1828 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1829 #endif
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1830
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1831 c->destroyed = 1;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1832
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1833 pool = c->pool;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1834
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1835 ngx_close_connection(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1836
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1837 ngx_destroy_pool(pool);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1838 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1839
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1840
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1841 static ngx_int_t
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1842 ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc)
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1843 {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1844 ngx_uint_t i;
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1845 ngx_queue_t *q;
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1846 ngx_quic_send_ctx_t *ctx;
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1847 ngx_quic_server_id_t *sid;
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1848 ngx_quic_connection_t *qc;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1849
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1850 qc = ngx_quic_get_connection(c);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1851
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1852 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1853
8398 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1854 /* drop packets from retransmit queues, no ack is expected */
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1855 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8652 e9bd4305e68b QUIC: fixed send contexts cleanup. Vladimir Homutov <vl@nginx.com> parents: 8651 diff changeset	1856 ngx_quic_free_frames(c, &qc->send_ctx[i].sent);
8398 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1857 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1858
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1859 if (rc == NGX_DONE) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1860
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1861 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1862 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1863 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1864 * If the idle timeout is enabled by either peer, a connection is
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1865 * silently closed and its state is discarded when it remains idle
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1866 */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1867
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1868 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1869 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1870 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1871
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1872 } else {
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1873
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1874 /*
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1875 * 10.3. Immediate Close
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1876 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1877 * An endpoint sends a CONNECTION_CLOSE frame (Section 19.19)
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1878 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1879 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1880
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1881 qc->error_level = c->ssl ? SSL_quic_read_level(c->ssl->connection)
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1882 : ssl_encryption_initial;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1883
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1884 if (rc == NGX_OK) {
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	1885 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	1886 "quic immediate close drain:%d",
d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	1887 qc->draining);
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1888
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1889 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1890 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1891 qc->close.handler = ngx_quic_close_timer_handler;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1892 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1893
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1894 ctx = ngx_quic_get_send_ctx(qc, qc->error_level);
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1895
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1896 ngx_add_timer(&qc->close, 3 * ngx_quic_pto(c, ctx));
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1897
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1898 qc->error = NGX_QUIC_ERR_NO_ERROR;
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1899
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1900 } else {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1901 if (qc->error == 0 && !qc->error_app) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1902 qc->error = NGX_QUIC_ERR_INTERNAL_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1903 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1904
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1905 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	1906 "quic immediate close due to %s error: %ui %s",
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1907 qc->error_app ? "app " : "", qc->error,
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1908 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1909 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1910
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1911 (void) ngx_quic_send_cc(c);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1912
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1913 if (qc->error_level == ssl_encryption_handshake) {
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1914 /* for clients that might not have handshake keys */
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1915 qc->error_level = ssl_encryption_initial;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1916 (void) ngx_quic_send_cc(c);
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1917 }
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1918 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1919
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1920 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1921 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1922
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1923 if (rc == NGX_ERROR && qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1924 /* do not wait for timer in case of fatal error */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1925 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1926 }
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1927
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1928 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1929 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1930 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1931
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1932 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1933 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1934 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1935
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	1936 if (qc->pto.timer_set) {
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	1937 ngx_del_timer(&qc->pto);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1938 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1939
8434 ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1940 if (qc->push.posted) {
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1941 ngx_delete_posted_event(&qc->push);
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1942 }
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1943
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1944 while (!ngx_queue_empty(&qc->server_ids)) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1945 q = ngx_queue_head(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1946 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1947
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1948 ngx_queue_remove(q);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1949 ngx_rbtree_delete(&c->listening->rbtree, &sid->udp.node);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1950 qc->nserver_ids--;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1951 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1952
8553 dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1953 if (qc->close.timer_set) {
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1954 return NGX_AGAIN;
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1955 }
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1956
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1957 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1958 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1959
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1960 /* may be tested from SSL callback during SSL shutdown */
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1961 c->udp = NULL;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1962
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1963 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1964 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1965
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1966
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1967 void
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1968 ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1969 const char *reason)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1970 {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1971 ngx_quic_connection_t *qc;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1972
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1973 qc = ngx_quic_get_connection(c);
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1974 qc->error = err;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1975 qc->error_reason = reason;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1976 qc->error_app = 1;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1977 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1978
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1979 ngx_quic_close_connection(c, NGX_ERROR);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1980 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1981
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1982
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1983 void
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1984 ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err,
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1985 const char *reason)
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1986 {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1987 ngx_quic_connection_t *qc;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1988
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1989 qc = ngx_quic_get_connection(c);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1990 qc->shutdown = 1;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1991 qc->shutdown_code = err;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1992 qc->shutdown_reason = reason;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1993
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1994 ngx_quic_shutdown_quic(c);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1995 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1996
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1997
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1998 static void
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1999 ngx_quic_close_timer_handler(ngx_event_t *ev)
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2000 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2001 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2002
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2003 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic close timer");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2004
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2005 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2006 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2007 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2008
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2009
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2010 static ngx_int_t
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2011 ngx_quic_close_streams(ngx_connection_t c, ngx_quic_connection_t qc)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2012 {
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	2013 ngx_event_t rev, wev;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2014 ngx_rbtree_t *tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2015 ngx_rbtree_node_t *node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2016 ngx_quic_stream_t *qs;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2017
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2018 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2019 ngx_uint_t ns;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2020 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2021
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2022 tree = &qc->streams.tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2023
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2024 if (tree->root == tree->sentinel) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2025 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2026 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2027
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2028 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2029 ns = 0;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2030 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2031
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2032 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2033 node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2034 node = ngx_rbtree_next(tree, node))
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2035 {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2036 qs = (ngx_quic_stream_t *) node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2037
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2038 rev = qs->c->read;
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	2039 rev->error = 1;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2040 rev->ready = 1;
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	2041
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	2042 wev = qs->c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	2043 wev->error = 1;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	2044 wev->ready = 1;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2045
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2046 ngx_post_event(rev, &ngx_posted_events);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2047
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2048 if (rev->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2049 ngx_del_timer(rev);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2050 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2051
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2052 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2053 ns++;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2054 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2055 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2056
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2057 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2058 "quic connection has %ui active streams", ns);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2059
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2060 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2061 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2062
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2063
8703 d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2064 ngx_int_t
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2065 ngx_quic_reset_stream(ngx_connection_t *c, ngx_uint_t err)
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2066 {
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2067 ngx_event_t *wev;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2068 ngx_connection_t *pc;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2069 ngx_quic_frame_t *frame;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2070 ngx_quic_stream_t *qs;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2071 ngx_quic_connection_t *qc;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2072
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2073 qs = c->quic;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2074 pc = qs->parent;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2075 qc = ngx_quic_get_connection(pc);
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2076
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2077 frame = ngx_quic_alloc_frame(pc);
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2078 if (frame == NULL) {
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2079 return NGX_ERROR;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2080 }
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2081
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2082 frame->level = ssl_encryption_application;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2083 frame->type = NGX_QUIC_FT_RESET_STREAM;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2084 frame->u.reset_stream.id = qs->id;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2085 frame->u.reset_stream.error_code = err;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2086 frame->u.reset_stream.final_size = c->sent;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2087
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2088 ngx_quic_queue_frame(qc, frame);
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2089
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2090 wev = c->write;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2091 wev->error = 1;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2092 wev->ready = 1;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2093
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2094 return NGX_OK;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2095 }
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2096
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	2097
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	2098 static ngx_int_t
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	2099 ngx_quic_input(ngx_connection_t c, ngx_buf_t b, ngx_quic_conf_t *conf)
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	2100 {
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2101 u_char *p;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2102 ngx_int_t rc;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2103 ngx_uint_t good;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2104 ngx_quic_header_t pkt;
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	2105
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	2106 good = 0;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	2107
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	2108 p = b->pos;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	2109
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	2110 while (p < b->last) {
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2111
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2112 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2113 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2114 pkt.data = p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2115 pkt.len = b->last - p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2116 pkt.log = c->log;
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	2117 pkt.flags = p[0];
8559 a89a58c642ef QUIC: simplified packet header parsing. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	2118 pkt.raw->pos++;
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	2119
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	2120 rc = ngx_quic_process_packet(c, conf, &pkt);
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	2121
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2122 #if (NGX_DEBUG)
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2123 if (pkt.parsed) {
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	2124 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
8609 f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs. Vladimir Homutov <vl@nginx.com> parents: 8608 diff changeset	2125 "quic packet %s done decr:%d pn:%L perr:%ui rc:%i",
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2126 ngx_quic_level_name(pkt.level), pkt.decrypted,
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	2127 pkt.pn, pkt.error, rc);
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2128 } else {
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2129 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8609 f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs. Vladimir Homutov <vl@nginx.com> parents: 8608 diff changeset	2130 "quic packet done parse failed rc:%i", rc);
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2131 }
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2132 #endif
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2133
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2134 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2135 return NGX_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2136 }
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	2137
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2138 if (rc == NGX_DONE) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2139 /* stop further processing */
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2140 return NGX_DECLINED;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2141 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2142
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	2143 if (rc == NGX_OK) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	2144 good = 1;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	2145 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	2146
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2147 /* NGX_OK \|\| NGX_DECLINED */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2148
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2149 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2150 * we get NGX_DECLINED when there are no keys [yet] available
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2151 * to decrypt packet.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2152 * Instead of queueing it, we ignore it and rely on the sender's
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2153 * retransmission:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2154 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2155 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2156 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2157 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2158 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2159 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2160 * attempt to process the remaining packets.
8535 eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8533 diff changeset	2161 *
eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8533 diff changeset	2162 * We also skip packets that don't match connection state
eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8533 diff changeset	2163 * or cannot be parsed properly.
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2164 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2165
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2166 /* b->pos is at header end, adjust by actual packet length */
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8557 diff changeset	2167 b->pos = pkt.data + pkt.len;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2168
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2169 /* firefox workaround: skip zero padding at the end of quic packet */
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2170 while (b->pos < b->last && *(b->pos) == 0) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2171 b->pos++;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2172 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2173
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2174 p = b->pos;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	2175 }
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2176
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	2177 return good ? NGX_OK : NGX_DECLINED;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2178 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2179
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2180
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2181 static ngx_int_t
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	2182 ngx_quic_process_packet(ngx_connection_t c, ngx_quic_conf_t conf,
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	2183 ngx_quic_header_t *pkt)
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2184 {
8536 c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	2185 ngx_int_t rc;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2186 ngx_quic_connection_t *qc;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2187
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2188 c->log->action = "parsing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2189
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2190 rc = ngx_quic_parse_packet(pkt);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2191
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2192 if (rc == NGX_DECLINED \|\| rc == NGX_ERROR) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2193 return rc;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2194 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2195
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2196 pkt->parsed = 1;
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2197
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2198 c->log->action = "processing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2199
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	2200 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	2201 "quic packet rx dcid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	2202 pkt->dcid.len, &pkt->dcid);
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	2203
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	2204 #if (NGX_DEBUG)
52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	2205 if (pkt->level != ssl_encryption_application) {
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	2206 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	2207 "quic packet rx scid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	2208 pkt->scid.len, &pkt->scid);
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	2209 }
8641 fe53def49945 QUIC: refactored long header parsing. Sergey Kandaurov <pluknet@nginx.com> parents: 8639 diff changeset	2210
fe53def49945 QUIC: refactored long header parsing. Sergey Kandaurov <pluknet@nginx.com> parents: 8639 diff changeset	2211 if (pkt->level == ssl_encryption_initial) {
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	2212 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	2213 "quic address validation token len:%uz %xV",
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	2214 pkt->token.len, &pkt->token);
8641 fe53def49945 QUIC: refactored long header parsing. Sergey Kandaurov <pluknet@nginx.com> parents: 8639 diff changeset	2215 }
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	2216 #endif
52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	2217
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2218 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2219
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2220 if (qc) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2221
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2222 if (rc == NGX_ABORT) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2223 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2224 "quic unsupported version: 0x%xD", pkt->version);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2225 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2226 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2227
8624 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2228 if (pkt->level != ssl_encryption_application) {
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2229
8624 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2230 if (pkt->version != qc->version) {
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2231 ngx_log_error(NGX_LOG_INFO, c->log, 0,
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2232 "quic version mismatch: 0x%xD", pkt->version);
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2233 return NGX_DECLINED;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2234 }
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2235
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2236 if (ngx_quic_check_csid(qc, pkt) != NGX_OK) {
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2237 return NGX_DECLINED;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2238 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2239
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2240 } else {
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2241
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2242 if (ngx_quic_process_stateless_reset(c, pkt) == NGX_OK) {
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2243 ngx_log_error(NGX_LOG_INFO, c->log, 0,
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2244 "quic stateless reset packet detected");
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2245
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2246 qc->draining = 1;
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2247 ngx_quic_close_connection(c, NGX_OK);
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2248
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2249 return NGX_OK;
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2250 }
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2251 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2252
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2253 return ngx_quic_process_payload(c, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2254 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2255
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2256 /* packet does not belong to a connection */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2257
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2258 if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2259 return ngx_quic_negotiate_version(c, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2260 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2261
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2262 if (pkt->level == ssl_encryption_application) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2263 return ngx_quic_send_stateless_reset(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2264 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2265
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2266 if (pkt->level != ssl_encryption_initial) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2267 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2268 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2269
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2270 c->log->action = "processing initial packet";
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2271
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2272 if (pkt->dcid.len < NGX_QUIC_CID_LEN_MIN) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2273 /* 7.2. Negotiating Connection IDs */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2274 ngx_log_error(NGX_LOG_INFO, c->log, 0,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2275 "quic too short dcid in initial"
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2276 " packet: len:%i", pkt->dcid.len);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2277 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2278 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2279
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2280 /* process retry and initialize connection IDs */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2281
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2282 if (pkt->token.len) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2283
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	2284 rc = ngx_quic_validate_token(c, conf->av_token_key, pkt);
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2285
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2286 if (rc == NGX_ERROR) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2287 /* internal error */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2288 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2289
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2290 } else if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2291 /* token cannot be decrypted */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2292 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2293 NGX_QUIC_ERR_INVALID_TOKEN,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2294 "cannot decrypt token");
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2295 } else if (rc == NGX_DECLINED) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2296 /* token is invalid */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2297
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2298 if (pkt->retried) {
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	2299 /* invalid address validation token */
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2300 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2301 NGX_QUIC_ERR_INVALID_TOKEN,
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	2302 "invalid address validation token");
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2303 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2304 /* invalid NEW_TOKEN */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2305 return ngx_quic_send_retry(c, conf, pkt);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2306 }
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2307 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2308
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2309 /* NGX_OK */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2310
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2311 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2312 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2313
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2314 } else {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2315 pkt->odcid = pkt->dcid;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2316 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2317
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2318 if (ngx_terminate \|\| ngx_exiting) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2319 if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2320 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2321 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2322
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2323 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2324 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2325
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2326 c->log->action = "creating quic connection";
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2327
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2328 qc = ngx_quic_new_connection(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2329 if (qc == NULL) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2330 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2331 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2332
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2333 return ngx_quic_process_payload(c, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2334 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2335
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2336
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2337 static ngx_int_t
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2338 ngx_quic_process_payload(ngx_connection_t c, ngx_quic_header_t pkt)
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2339 {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2340 ngx_int_t rc;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2341 ngx_quic_send_ctx_t *ctx;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2342 ngx_quic_connection_t *qc;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2343 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2344
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2345 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2346
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2347 qc->error = 0;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2348 qc->error_reason = 0;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2349
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2350 c->log->action = "decrypting packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2351
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2352 if (!ngx_quic_keys_available(qc->keys, pkt->level)) {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2353 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2354 "quic no level %d keys yet, ignoring packet", pkt->level);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2355 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2356 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2357
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2358 pkt->keys = qc->keys;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2359 pkt->key_phase = qc->key_phase;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2360 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2361
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2362 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2363
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2364 rc = ngx_quic_decrypt(pkt, &ctx->largest_pn);
8536 c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	2365 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	2366 qc->error = pkt->error;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	2367 qc->error_reason = "failed to decrypt packet";
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	2368 return rc;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	2369 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	2370
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2371 pkt->decrypted = 1;
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2372
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2373 if (c->ssl == NULL) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2374 if (ngx_quic_init_connection(c) != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2375 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2376 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2377 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2378
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2379 if (pkt->level == ssl_encryption_handshake) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2380 /*
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2381 * 4.10.1. The successful use of Handshake packets indicates
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2382 * that no more Initial packets need to be exchanged
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2383 */
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2384 ngx_quic_discard_ctx(c, ssl_encryption_initial);
8611 e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8610 diff changeset	2385
e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8610 diff changeset	2386 if (qc->validated == 0) {
e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8610 diff changeset	2387 qc->validated = 1;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2388 ngx_post_event(&qc->push, &ngx_posted_events);
8611 e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8610 diff changeset	2389 }
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2390 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2391
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2392 if (qc->closing) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2393 /*
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2394 * 10.1 Closing and Draining Connection States
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2395 * ... delayed or reordered packets are properly discarded.
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2396 *
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2397 * An endpoint retains only enough information to generate
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2398 * a packet containing a CONNECTION_CLOSE frame and to identify
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2399 * packets as belonging to the connection.
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2400 */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2401
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2402 qc->error_level = pkt->level;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2403 qc->error = NGX_QUIC_ERR_NO_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2404 qc->error_reason = "connection is closing, packet discarded";
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2405 qc->error_ftype = 0;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2406 qc->error_app = 0;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2407
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2408 return ngx_quic_send_cc(c);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2409 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2410
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2411 pkt->received = ngx_current_msec;
8574 1d4417e4f2d0 QUIC: fixed measuring ACK Delay against 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8573 diff changeset	2412
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2413 c->log->action = "handling payload";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2414
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2415 if (pkt->level != ssl_encryption_application) {
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2416 return ngx_quic_handle_frames(c, pkt);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2417 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2418
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2419 if (!pkt->key_update) {
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2420 return ngx_quic_handle_frames(c, pkt);
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2421 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2422
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2423 /* switch keys and generate next on Key Phase change */
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2424
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2425 qc->key_phase ^= 1;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2426 ngx_quic_keys_switch(c, qc->keys);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2427
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2428 rc = ngx_quic_handle_frames(c, pkt);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2429 if (rc != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2430 return rc;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2431 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2432
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2433 return ngx_quic_keys_update(c, qc->keys);
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	2434 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	2435
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	2436
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2437 static ngx_int_t
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2438 ngx_quic_send_early_cc(ngx_connection_t c, ngx_quic_header_t inpkt,
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2439 ngx_uint_t err, const char *reason)
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2440 {
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2441 ssize_t len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2442 ngx_str_t res;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2443 ngx_quic_frame_t frame;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2444 ngx_quic_header_t pkt;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2445
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2446 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2447 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2448
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2449 ngx_memzero(&frame, sizeof(ngx_quic_frame_t));
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2450 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2451
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2452 frame.level = inpkt->level;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2453 frame.type = NGX_QUIC_FT_CONNECTION_CLOSE;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2454 frame.u.close.error_code = err;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2455
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2456 frame.u.close.reason.data = (u_char *) reason;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2457 frame.u.close.reason.len = ngx_strlen(reason);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2458
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2459 len = ngx_quic_create_frame(NULL, &frame);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2460 if (len > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2461 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2462 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2463
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2464 ngx_quic_log_frame(c->log, &frame, 1);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2465
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2466 len = ngx_quic_create_frame(src, &frame);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2467 if (len == -1) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2468 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2469 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2470
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2471 pkt.keys = ngx_quic_keys_new(c->pool);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2472 if (pkt.keys == NULL) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2473 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2474 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2475
8710 44b4c6180106 QUIC: multiple versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8709 diff changeset	2476 if (ngx_quic_keys_set_initial_secret(c->pool, pkt.keys, &inpkt->dcid,
44b4c6180106 QUIC: multiple versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8709 diff changeset	2477 inpkt->version)
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2478 != NGX_OK)
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2479 {
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2480 return NGX_ERROR;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2481 }
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2482
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2483 pkt.flags = NGX_QUIC_PKT_FIXED_BIT \| NGX_QUIC_PKT_LONG
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2484 \| NGX_QUIC_PKT_INITIAL;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2485
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2486 pkt.num_len = 1;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2487 /*
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2488 * pkt.num = 0;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2489 * pkt.trunc = 0;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2490 */
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2491
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2492 pkt.version = inpkt->version;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2493 pkt.log = c->log;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2494 pkt.level = inpkt->level;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2495 pkt.dcid = inpkt->scid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2496 pkt.scid = inpkt->dcid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2497 pkt.payload.data = src;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2498 pkt.payload.len = len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2499
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2500 res.data = dst;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2501
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2502 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2503 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2504 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2505
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2506 if (ngx_quic_send(c, res.data, res.len) == NGX_ERROR) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2507 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	2508 }
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2509
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2510 return NGX_OK;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2511 }
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2512
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2513
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2514 static void
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2515 ngx_quic_discard_ctx(ngx_connection_t *c, enum ssl_encryption_level_t level)
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2516 {
8507 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2517 ngx_queue_t *q;
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2518 ngx_quic_frame_t *f;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	2519 ngx_quic_send_ctx_t *ctx;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2520 ngx_quic_connection_t *qc;
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2521
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2522 qc = ngx_quic_get_connection(c);
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2523
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2524 if (!ngx_quic_keys_available(qc->keys, level)) {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2525 return;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2526 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2527
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2528 ngx_quic_keys_discard(qc->keys, level);
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2529
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2530 qc->pto_count = 0;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2531
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2532 ctx = ngx_quic_get_send_ctx(qc, level);
8507 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2533
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2534 while (!ngx_queue_empty(&ctx->sent)) {
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2535 q = ngx_queue_head(&ctx->sent);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2536 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2537
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2538 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2539 ngx_quic_congestion_ack(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2540 ngx_quic_free_frame(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2541 }
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2542
8612 b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2543 while (!ngx_queue_empty(&ctx->frames)) {
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2544 q = ngx_queue_head(&ctx->frames);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2545 ngx_queue_remove(q);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2546
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2547 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2548 ngx_quic_congestion_ack(c, f);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2549 ngx_quic_free_frame(c, f);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2550 }
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2551
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2552 if (level == ssl_encryption_initial) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2553 ngx_quic_clear_temp_server_ids(c);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2554 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2555
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2556 ctx->send_ack = 0;
8697 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	2557
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	2558 ngx_quic_set_lost_timer(c);
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	2559 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	2560
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	2561
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	2562 static ngx_int_t
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	2563 ngx_quic_check_csid(ngx_quic_connection_t qc, ngx_quic_header_t pkt)
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2564 {
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2565 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2566 ngx_quic_client_id_t *cid;
8381 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	2567
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2568 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2569 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2570 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2571 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2572 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2573
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2574 if (pkt->scid.len == cid->len
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2575 && ngx_memcmp(pkt->scid.data, cid->id, cid->len) == 0)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2576 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2577 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2578 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2579 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2580
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2581 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scid");
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2582 return NGX_ERROR;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2583 }
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	2584
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	2585
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2586 static ngx_int_t
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	2587 ngx_quic_handle_frames(ngx_connection_t c, ngx_quic_header_t pkt)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2588 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2589 u_char end, p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2590 ssize_t len;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	2591 ngx_buf_t buf;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2592 ngx_uint_t do_close;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	2593 ngx_chain_t chain;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2594 ngx_quic_frame_t frame;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2595 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2596
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2597 qc = ngx_quic_get_connection(c);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2598
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2599 p = pkt->payload.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2600 end = p + pkt->payload.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2601
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2602 do_close = 0;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2603
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2604 while (p < end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2605
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2606 c->log->action = "parsing frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2607
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	2608 ngx_memzero(&buf, sizeof(ngx_buf_t));
8659 d9f673d18e9b QUIC: set the temporary flag for input frame buffers. Roman Arutyunyan <arut@nginx.com> parents: 8658 diff changeset	2609 buf.temporary = 1;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	2610
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	2611 chain.buf = &buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	2612 chain.next = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	2613 frame.data = &chain;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	2614
8240 1f002206a59b Added boundaries checks into frame parser. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	2615 len = ngx_quic_parse_frame(pkt, p, end, &frame);
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	2616
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2617 if (len < 0) {
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2618 qc->error = pkt->error;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2619 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2620 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2621
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	2622 ngx_quic_log_frame(c->log, &frame, 0);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	2623
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2624 c->log->action = "handling frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2625
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2626 p += len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2627
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2628 switch (frame.type) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2629
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2630 case NGX_QUIC_FT_ACK:
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	2631 if (ngx_quic_handle_ack_frame(c, pkt, &frame) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2632 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2633 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2634
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2635 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2636
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2637 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2638 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2639 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2640
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2641 case NGX_QUIC_FT_CONNECTION_CLOSE:
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2642 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2643 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2644 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2645 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2646
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2647 /* got there with ack-eliciting packet */
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2648 pkt->need_ack = 1;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2649
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2650 switch (frame.type) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2651
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2652 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2653
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2654 if (ngx_quic_handle_crypto_frame(c, pkt, &frame) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2655 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2656 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2657
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2658 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2659
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2660 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2661 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2662
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2663 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2664 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2665 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2666 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2667 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2668 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2669 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2670 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2671
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2672 if (ngx_quic_handle_stream_frame(c, pkt, &frame) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2673 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2674 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2675
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2676 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2677
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	2678 case NGX_QUIC_FT_MAX_DATA:
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2679
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2680 if (ngx_quic_handle_max_data_frame(c, &frame.u.max_data) != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2681 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2682 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2683 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2684
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	2685 break;
ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	2686
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2687 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2688 case NGX_QUIC_FT_STREAMS_BLOCKED2:
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2689
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2690 if (ngx_quic_handle_streams_blocked_frame(c, pkt,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2691 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2692 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2693 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2694 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2695 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2696
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2697 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2698
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2699 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2700
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2701 if (ngx_quic_handle_stream_data_blocked_frame(c, pkt,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2702 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2703 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2704 {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2705 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2706 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2707
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2708 break;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2709
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2710 case NGX_QUIC_FT_MAX_STREAM_DATA:
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2711
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2712 if (ngx_quic_handle_max_stream_data_frame(c, pkt,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2713 &frame.u.max_stream_data)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2714 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2715 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2716 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2717 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2718
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2719 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2720
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2721 case NGX_QUIC_FT_RESET_STREAM:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2722
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2723 if (ngx_quic_handle_reset_stream_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2724 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2725 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2726 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2727 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2728 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2729
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2730 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2731
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2732 case NGX_QUIC_FT_STOP_SENDING:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2733
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2734 if (ngx_quic_handle_stop_sending_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2735 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2736 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2737 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2738 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2739 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2740
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2741 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2742
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2743 case NGX_QUIC_FT_MAX_STREAMS:
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2744 case NGX_QUIC_FT_MAX_STREAMS2:
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2745
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2746 if (ngx_quic_handle_max_streams_frame(c, pkt, &frame.u.max_streams)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2747 != NGX_OK)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2748 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2749 return NGX_ERROR;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2750 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2751
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2752 break;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2753
8531 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2754 case NGX_QUIC_FT_PATH_CHALLENGE:
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2755
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2756 if (ngx_quic_handle_path_challenge_frame(c, pkt,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2757 &frame.u.path_challenge)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2758 != NGX_OK)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2759 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2760 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2761 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2762
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2763 break;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2764
8737 76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	2765 case NGX_QUIC_FT_PATH_RESPONSE:
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	2766
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	2767 if (ngx_quic_handle_path_response_frame(c, pkt,
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	2768 &frame.u.path_response)
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	2769 != NGX_OK)
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	2770 {
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	2771 return NGX_ERROR;
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	2772 }
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	2773
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	2774 break;
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	2775
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2776 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2777
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2778 if (ngx_quic_handle_new_connection_id_frame(c, pkt, &frame.u.ncid)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2779 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2780 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2781 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2782 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2783
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2784 break;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2785
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2786 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2787
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2788 if (ngx_quic_handle_retire_connection_id_frame(c, pkt,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2789 &frame.u.retire_cid)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2790 != NGX_OK)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2791 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2792 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2793 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2794
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2795 break;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2796
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2797 default:
8346 4e4485793418 Added MAX_STREAM_DATA stub handler. Vladimir Homutov <vl@nginx.com> parents: 8345 diff changeset	2798 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2799 "quic missing frame handler");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2800 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2801 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2802 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2803
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2804 if (p != end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2805 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	2806 "quic trailing garbage in payload:%ui bytes", end - p);
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2807
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2808 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2809 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2810 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2811
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2812 if (do_close) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2813 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2814 ngx_quic_close_connection(c, NGX_OK);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2815 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2816
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2817 if (ngx_quic_ack_packet(c, pkt) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2818 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2819 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2820
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2821 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2822 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2823
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2824
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2825 static ngx_int_t
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2826 ngx_quic_ack_packet(ngx_connection_t c, ngx_quic_header_t pkt)
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2827 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2828 uint64_t base, largest, smallest, gs, ge, gap, range, pn;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2829 uint64_t prev_pending;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2830 ngx_uint_t i, nr;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2831 ngx_quic_send_ctx_t *ctx;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2832 ngx_quic_ack_range_t *r;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2833 ngx_quic_connection_t *qc;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2834
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2835 c->log->action = "preparing ack";
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2836
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2837 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2838
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2839 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2840
8599 c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8598 diff changeset	2841 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	2842 "quic ngx_quic_ack_packet pn:%uL largest %L fr:%uL"
8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	2843 " nranges:%ui", pkt->pn, (int64_t) ctx->largest_range,
8599 c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8598 diff changeset	2844 ctx->first_range, ctx->nranges);
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2845
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2846 prev_pending = ctx->pending_ack;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2847
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2848 if (pkt->need_ack) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2849
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2850 ngx_post_event(&qc->push, &ngx_posted_events);
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2851
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2852 if (ctx->send_ack == 0) {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2853 ctx->ack_delay_start = ngx_current_msec;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2854 }
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2855
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2856 ctx->send_ack++;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2857
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2858 if (ctx->pending_ack == NGX_QUIC_UNSET_PN
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2859 \|\| ctx->pending_ack < pkt->pn)
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2860 {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2861 ctx->pending_ack = pkt->pn;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2862 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2863 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2864
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2865 base = ctx->largest_range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2866 pn = pkt->pn;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2867
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2868 if (base == NGX_QUIC_UNSET_PN) {
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2869 ctx->largest_range = pn;
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2870 ctx->largest_received = pkt->received;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2871 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2872 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2873
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2874 if (base == pn) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2875 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2876 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2877
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2878 largest = base;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2879 smallest = largest - ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2880
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2881 if (pn > base) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2882
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2883 if (pn - base == 1) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2884 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2885 ctx->largest_range = pn;
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2886 ctx->largest_received = pkt->received;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2887
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2888 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2889
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2890 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2891 /* new gap in front of current largest */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2892
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2893 /* no place for new range, send current range as is */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2894 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2895
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2896 if (prev_pending != NGX_QUIC_UNSET_PN) {
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2897 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2898 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2899 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2900 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2901
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2902 if (prev_pending == ctx->pending_ack \|\| !pkt->need_ack) {
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2903 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2904 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2905 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2906
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2907 gap = pn - base - 2;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2908 range = ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2909
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2910 ctx->first_range = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2911 ctx->largest_range = pn;
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2912 ctx->largest_received = pkt->received;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2913
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2914 /* packet is out of order, force send */
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2915 if (pkt->need_ack) {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2916 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2917 }
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2918
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2919 i = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2920
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2921 goto insert;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2922 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2923 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2924
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2925 /* pn < base, perform lookup in existing ranges */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2926
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2927 /* packet is out of order */
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2928 if (pkt->need_ack) {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2929 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2930 }
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2931
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2932 if (pn >= smallest && pn <= largest) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2933 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2934 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2935
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2936 #if (NGX_SUPPRESS_WARN)
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2937 r = NULL;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2938 #endif
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2939
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2940 for (i = 0; i < ctx->nranges; i++) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2941 r = &ctx->ranges[i];
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2942
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2943 ge = smallest - 1;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2944 gs = ge - r->gap;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2945
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2946 if (pn >= gs && pn <= ge) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2947
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2948 if (gs == ge) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2949 /* gap size is exactly one packet, now filled */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2950
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2951 /* data moves to previous range, current is removed */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2952
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2953 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2954 ctx->first_range += r->range + 2;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2955
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2956 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2957 ctx->ranges[i - 1].range += r->range + 2;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2958 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2959
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2960 nr = ctx->nranges - i - 1;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2961 if (nr) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2962 ngx_memmove(&ctx->ranges[i], &ctx->ranges[i + 1],
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2963 sizeof(ngx_quic_ack_range_t) * nr);
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2964 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2965
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2966 ctx->nranges--;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2967
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2968 } else if (pn == gs) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2969 /* current gap shrinks from tail (current range grows) */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2970 r->gap--;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2971 r->range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2972
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2973 } else if (pn == ge) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2974 /* current gap shrinks from head (previous range grows) */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2975 r->gap--;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2976
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2977 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2978 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2979
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2980 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2981 ctx->ranges[i - 1].range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2982 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2983
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2984 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2985 /* current gap is split into two parts */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2986
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2987 gap = ge - pn - 1;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2988 range = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2989
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2990 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2991 if (prev_pending != NGX_QUIC_UNSET_PN) {
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2992 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2993 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2994 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2995 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2996
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2997 if (prev_pending == ctx->pending_ack \|\| !pkt->need_ack) {
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2998 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2999 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3000 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3001
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3002 r->gap = pn - gs - 1;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3003 goto insert;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3004 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3005
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3006 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3007 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3008
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3009 largest = smallest - r->gap - 2;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3010 smallest = largest - r->range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3011
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3012 if (pn >= smallest && pn <= largest) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3013 /* this packet number is already known */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3014 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3015 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3016
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3017 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3018
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3019 if (pn == smallest - 1) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3020 /* extend first or last range */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3021
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3022 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3023 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3024
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3025 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3026 r->range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3027 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3028
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3029 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3030 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3031
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3032 /* nothing found, add new range at the tail */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3033
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3034 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3035 /* packet is too old to keep it */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3036
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3037 if (pkt->need_ack) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3038 return ngx_quic_send_ack_range(c, ctx, pn, pn);
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3039 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3040
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3041 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3042 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3043
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3044 gap = smallest - 2 - pn;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3045 range = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3046
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3047 insert:
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3048
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3049 if (ctx->nranges < NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3050 ctx->nranges++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3051 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3052
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3053 ngx_memmove(&ctx->ranges[i + 1], &ctx->ranges[i],
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3054 sizeof(ngx_quic_ack_range_t) * (ctx->nranges - i - 1));
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3055
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3056 ctx->ranges[i].gap = gap;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3057 ctx->ranges[i].range = range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3058
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3059 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3060 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3061
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3062
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3063 static ngx_int_t
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3064 ngx_quic_send_ack_range(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3065 uint64_t smallest, uint64_t largest)
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	3066 {
8745 0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function. Vladimir Homutov <vl@nginx.com> parents: 8744 diff changeset	3067 ngx_quic_frame_t *frame;
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function. Vladimir Homutov <vl@nginx.com> parents: 8744 diff changeset	3068 ngx_quic_connection_t *qc;
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function. Vladimir Homutov <vl@nginx.com> parents: 8744 diff changeset	3069
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function. Vladimir Homutov <vl@nginx.com> parents: 8744 diff changeset	3070 qc = ngx_quic_get_connection(c);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3071
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3072 frame = ngx_quic_alloc_frame(c);
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	3073 if (frame == NULL) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3074 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3075 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3076
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3077 frame->level = ctx->level;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	3078 frame->type = NGX_QUIC_FT_ACK;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3079 frame->u.ack.largest = largest;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3080 frame->u.ack.delay = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3081 frame->u.ack.range_count = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3082 frame->u.ack.first_range = largest - smallest;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3083
8745 0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function. Vladimir Homutov <vl@nginx.com> parents: 8744 diff changeset	3084 ngx_quic_queue_frame(qc, frame);
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function. Vladimir Homutov <vl@nginx.com> parents: 8744 diff changeset	3085
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3086 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3087 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3088
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3089
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3090 static void
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3091 ngx_quic_drop_ack_ranges(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3092 uint64_t pn)
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3093 {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3094 uint64_t base;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3095 ngx_uint_t i, smallest, largest;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3096 ngx_quic_ack_range_t *r;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3097
8599 c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8598 diff changeset	3098 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3099 "quic ngx_quic_drop_ack_ranges pn:%uL largest:%uL"
eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3100 " fr:%uL nranges:%ui", pn, ctx->largest_range,
8599 c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8598 diff changeset	3101 ctx->first_range, ctx->nranges);
c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8598 diff changeset	3102
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3103 base = ctx->largest_range;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3104
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	3105 if (base == NGX_QUIC_UNSET_PN) {
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3106 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3107 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3108
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	3109 if (ctx->pending_ack != NGX_QUIC_UNSET_PN && pn >= ctx->pending_ack) {
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	3110 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3111 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3112
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3113 largest = base;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3114 smallest = largest - ctx->first_range;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3115
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3116 if (pn >= largest) {
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	3117 ctx->largest_range = NGX_QUIC_UNSET_PN;
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3118 ctx->first_range = 0;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3119 ctx->nranges = 0;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3120 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3121 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3122
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3123 if (pn >= smallest) {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3124 ctx->first_range = largest - pn - 1;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3125 ctx->nranges = 0;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3126 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3127 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3128
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3129 for (i = 0; i < ctx->nranges; i++) {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3130 r = &ctx->ranges[i];
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3131
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3132 largest = smallest - r->gap - 2;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3133 smallest = largest - r->range;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3134
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3135 if (pn >= largest) {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3136 ctx->nranges = i;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3137 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3138 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3139 if (pn >= smallest) {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3140 r->range = largest - pn - 1;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3141 ctx->nranges = i + 1;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3142 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3143 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3144 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3145 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3146
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3147
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3148 static ngx_int_t
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3149 ngx_quic_send_ack(ngx_connection_t c, ngx_quic_send_ctx_t ctx)
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3150 {
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3151 size_t len, left;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3152 uint64_t ack_delay;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3153 ngx_buf_t *b;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3154 ngx_uint_t i;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3155 ngx_chain_t cl, *ll;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3156 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3157 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3158
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3159 qc = ngx_quic_get_connection(c);
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3160
8662 b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels. Roman Arutyunyan <arut@nginx.com> parents: 8661 diff changeset	3161 ack_delay = ngx_current_msec - ctx->largest_received;
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels. Roman Arutyunyan <arut@nginx.com> parents: 8661 diff changeset	3162 ack_delay *= 1000;
8693 3956bbf91002 QUIC: use server ack_delay_exponent when sending ack. Roman Arutyunyan <arut@nginx.com> parents: 8692 diff changeset	3163 ack_delay >>= qc->tp.ack_delay_exponent;
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	3164
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3165 frame = ngx_quic_alloc_frame(c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3166 if (frame == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3167 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3168 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3169
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3170 ll = &frame->data;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3171 b = NULL;
8613 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3172
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3173 for (i = 0; i < ctx->nranges; i++) {
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3174 len = ngx_quic_create_ack_range(NULL, ctx->ranges[i].gap,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3175 ctx->ranges[i].range);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3176
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3177 left = b ? b->end - b->last : 0;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3178
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3179 if (left < len) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3180 cl = ngx_quic_alloc_buf(c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3181 if (cl == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3182 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3183 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3184
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3185 *ll = cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3186 ll = &cl->next;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3187
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3188 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3189 left = b->end - b->last;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3190
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3191 if (left < len) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3192 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3193 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3194 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3195
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3196 b->last += ngx_quic_create_ack_range(b->last, ctx->ranges[i].gap,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3197 ctx->ranges[i].range);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3198
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3199 frame->u.ack.ranges_length += len;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3200 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3201
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3202 *ll = NULL;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3203
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3204 frame->level = ctx->level;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3205 frame->type = NGX_QUIC_FT_ACK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3206 frame->u.ack.largest = ctx->largest_range;
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	3207 frame->u.ack.delay = ack_delay;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3208 frame->u.ack.range_count = ctx->nranges;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3209 frame->u.ack.first_range = ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3210
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3211 ngx_quic_queue_frame(qc, frame);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3212
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3213 return NGX_OK;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3214 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3215
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3216
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3217 static ngx_int_t
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3218 ngx_quic_send_cc(ngx_connection_t *c)
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3219 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3220 ngx_quic_frame_t *frame;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3221 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3222
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3223 qc = ngx_quic_get_connection(c);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3224
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3225 if (qc->draining) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3226 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3227 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3228
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3229 if (qc->closing
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3230 && ngx_current_msec - qc->last_cc < NGX_QUIC_CC_MIN_INTERVAL)
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3231 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3232 /* dot not send CC too often */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3233 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3234 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3235
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3236 frame = ngx_quic_alloc_frame(c);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3237 if (frame == NULL) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3238 return NGX_ERROR;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3239 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3240
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3241 frame->level = qc->error_level;
8692 0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t. Sergey Kandaurov <pluknet@nginx.com> parents: 8688 diff changeset	3242 frame->type = qc->error_app ? NGX_QUIC_FT_CONNECTION_CLOSE_APP
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t. Sergey Kandaurov <pluknet@nginx.com> parents: 8688 diff changeset	3243 : NGX_QUIC_FT_CONNECTION_CLOSE;
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3244 frame->u.close.error_code = qc->error;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3245 frame->u.close.frame_type = qc->error_ftype;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3246
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3247 if (qc->error_reason) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3248 frame->u.close.reason.len = ngx_strlen(qc->error_reason);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3249 frame->u.close.reason.data = (u_char *) qc->error_reason;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	3250 }
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	3251
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3252 ngx_quic_queue_frame(qc, frame);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3253
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3254 qc->last_cc = ngx_current_msec;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3255
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3256 return ngx_quic_output(c);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3257 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3258
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3259
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3260 static ngx_int_t
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3261 ngx_quic_send_new_token(ngx_connection_t *c)
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3262 {
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	3263 time_t expires;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3264 ngx_str_t token;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3265 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3266 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3267
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3268 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3269
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3270 if (!qc->conf->retry) {
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3271 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3272 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3273
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	3274 expires = ngx_time() + NGX_QUIC_NEW_TOKEN_LIFETIME;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	3275
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	3276 if (ngx_quic_new_token(c, qc->conf->av_token_key, &token, NULL, expires, 0)
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	3277 != NGX_OK)
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	3278 {
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3279 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3280 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3281
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3282 frame = ngx_quic_alloc_frame(c);
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3283 if (frame == NULL) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3284 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3285 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3286
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3287 frame->level = ssl_encryption_application;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3288 frame->type = NGX_QUIC_FT_NEW_TOKEN;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3289 frame->u.token.length = token.len;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3290 frame->u.token.data = token.data;
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	3291
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3292 ngx_quic_queue_frame(qc, frame);
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3293
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3294 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3295 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3296
8450 a62849b6463c Style. Vladimir Homutov <vl@nginx.com> parents: 8447 diff changeset	3297
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3298 static ngx_int_t
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3299 ngx_quic_handle_ack_frame(ngx_connection_t c, ngx_quic_header_t pkt,
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3300 ngx_quic_frame_t *f)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3301 {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3302 ssize_t n;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3303 u_char pos, end;
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3304 uint64_t min, max, gap, range;
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3305 ngx_msec_t send_time;
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3306 ngx_uint_t i;
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3307 ngx_quic_send_ctx_t *ctx;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3308 ngx_quic_ack_frame_t *ack;
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3309 ngx_quic_connection_t *qc;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3310
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3311 qc = ngx_quic_get_connection(c);
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3312
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3313 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3314
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3315 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3316 "quic ngx_quic_handle_ack_frame level:%d", pkt->level);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3317
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3318 ack = &f->u.ack;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3319
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3320 /*
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3321 * If any computed packet number is negative, an endpoint MUST
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3322 * generate a connection error of type FRAME_ENCODING_ERROR.
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3323 * (19.3.1)
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3324 */
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3325
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3326 if (ack->first_range > ack->largest) {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3327 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3328 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	3329 "quic invalid first range in ack frame");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3330 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3331 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3332
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3333 min = ack->largest - ack->first_range;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3334 max = ack->largest;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3335
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3336 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3337 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3338 {
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3339 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3340 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3341
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3342 /* 13.2.3. Receiver Tracking of ACK Frames */
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	3343 if (ctx->largest_ack < max \|\| ctx->largest_ack == NGX_QUIC_UNSET_PN) {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3344 ctx->largest_ack = max;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3345 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3346 "quic updated largest received ack:%uL", max);
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3347
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3348 /*
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3349 * An endpoint generates an RTT sample on receiving an
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3350 * ACK frame that meets the following two conditions:
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3351 *
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3352 * - the largest acknowledged packet number is newly acknowledged
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3353 * - at least one of the newly acknowledged packets was ack-eliciting.
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3354 */
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3355
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3356 if (send_time != NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3357 ngx_quic_rtt_sample(c, ack, pkt->level, send_time);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3358 }
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3359 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3360
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3361 if (f->data) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3362 pos = f->data->buf->pos;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3363 end = f->data->buf->last;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3364
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3365 } else {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3366 pos = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3367 end = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3368 }
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3369
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3370 for (i = 0; i < ack->range_count; i++) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3371
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	3372 n = ngx_quic_parse_ack_range(pkt->log, pos, end, &gap, &range);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3373 if (n == NGX_ERROR) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3374 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3375 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3376 pos += n;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3377
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3378 if (gap + 2 > min) {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3379 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3380 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	3381 "quic invalid range:%ui in ack frame", i);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3382 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3383 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3384
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3385 max = min - gap - 2;
69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3386
69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3387 if (range > max) {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3388 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3389 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	3390 "quic invalid range:%ui in ack frame", i);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3391 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3392 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3393
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3394 min = max - range;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3395
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3396 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3397 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3398 {
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3399 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3400 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3401 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3402
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3403 return ngx_quic_detect_lost(c);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3404 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3405
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3406
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3407 static ngx_int_t
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3408 ngx_quic_handle_ack_frame_range(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3409 uint64_t min, uint64_t max, ngx_msec_t *send_time)
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3410 {
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3411 ngx_uint_t found;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3412 ngx_queue_t *q;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3413 ngx_quic_frame_t *f;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3414 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3415
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3416 qc = ngx_quic_get_connection(c);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3417
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3418 *send_time = NGX_TIMER_INFINITE;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3419 found = 0;
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3420
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3421 q = ngx_queue_last(&ctx->sent);
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3422
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3423 while (q != ngx_queue_sentinel(&ctx->sent)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3424
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3425 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3426 q = ngx_queue_prev(q);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3427
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3428 if (f->pnum >= min && f->pnum <= max) {
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3429 ngx_quic_congestion_ack(c, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3430
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3431 switch (f->type) {
8600 06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges(). Sergey Kandaurov <pluknet@nginx.com> parents: 8599 diff changeset	3432 case NGX_QUIC_FT_ACK:
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges(). Sergey Kandaurov <pluknet@nginx.com> parents: 8599 diff changeset	3433 case NGX_QUIC_FT_ACK_ECN:
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges(). Sergey Kandaurov <pluknet@nginx.com> parents: 8599 diff changeset	3434 ngx_quic_drop_ack_ranges(c, ctx, f->u.ack.largest);
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges(). Sergey Kandaurov <pluknet@nginx.com> parents: 8599 diff changeset	3435 break;
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3436
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3437 case NGX_QUIC_FT_STREAM0:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3438 case NGX_QUIC_FT_STREAM1:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3439 case NGX_QUIC_FT_STREAM2:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3440 case NGX_QUIC_FT_STREAM3:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3441 case NGX_QUIC_FT_STREAM4:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3442 case NGX_QUIC_FT_STREAM5:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3443 case NGX_QUIC_FT_STREAM6:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3444 case NGX_QUIC_FT_STREAM7:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3445 ngx_quic_handle_stream_ack(c, f);
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3446 break;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3447 }
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3448
8663 1823e2152fc4 QUIC: always calculate rtt for largest acknowledged packet. Roman Arutyunyan <arut@nginx.com> parents: 8662 diff changeset	3449 if (f->pnum == max) {
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3450 *send_time = f->last;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3451 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3452
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3453 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3454 ngx_quic_free_frame(c, f);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3455 found = 1;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3456 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3457 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3458
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3459 if (!found) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3460
8437 4e75267865de QUIC: fixed off-by-one in frame range handler. Vladimir Homutov <vl@nginx.com> parents: 8436 diff changeset	3461 if (max < ctx->pnum) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3462 /* duplicate ACK or ACK for non-ack-eliciting frame */
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3463 return NGX_OK;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3464 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3465
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3466 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8401 d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	3467 "quic ACK for the packet not sent");
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3468
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3469 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	3470 qc->error_ftype = NGX_QUIC_FT_ACK;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	3471 qc->error_reason = "unknown packet number";
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3472
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3473 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3474 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3475
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3476 if (!qc->push.timer_set) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3477 ngx_post_event(&qc->push, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3478 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3479
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3480 qc->pto_count = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3481
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3482 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3483 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3484
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3485
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3486 static void
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3487 ngx_quic_rtt_sample(ngx_connection_t c, ngx_quic_ack_frame_t ack,
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3488 enum ssl_encryption_level_t level, ngx_msec_t send_time)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3489 {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3490 ngx_msec_t latest_rtt, ack_delay, adjusted_rtt, rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3491 ngx_quic_connection_t *qc;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3492
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3493 qc = ngx_quic_get_connection(c);
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3494
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3495 latest_rtt = ngx_current_msec - send_time;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3496 qc->latest_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3497
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3498 if (qc->min_rtt == NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3499 qc->min_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3500 qc->avg_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3501 qc->rttvar = latest_rtt / 2;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3502
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3503 } else {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3504 qc->min_rtt = ngx_min(qc->min_rtt, latest_rtt);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3505
8662 b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels. Roman Arutyunyan <arut@nginx.com> parents: 8661 diff changeset	3506 ack_delay = ack->delay * (1 << qc->ctp.ack_delay_exponent) / 1000;
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels. Roman Arutyunyan <arut@nginx.com> parents: 8661 diff changeset	3507
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels. Roman Arutyunyan <arut@nginx.com> parents: 8661 diff changeset	3508 if (c->ssl->handshaked) {
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3509 ack_delay = ngx_min(ack_delay, qc->ctp.max_ack_delay);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3510 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3511
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3512 adjusted_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3513
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3514 if (qc->min_rtt + ack_delay < latest_rtt) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3515 adjusted_rtt -= ack_delay;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3516 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3517
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3518 qc->avg_rtt = 0.875 * qc->avg_rtt + 0.125 * adjusted_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3519 rttvar_sample = ngx_abs((ngx_msec_int_t) (qc->avg_rtt - adjusted_rtt));
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3520 qc->rttvar = 0.75 * qc->rttvar + 0.25 * rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3521 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3522
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3523 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3524 "quic rtt sample latest:%M min:%M avg:%M var:%M",
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3525 latest_rtt, qc->min_rtt, qc->avg_rtt, qc->rttvar);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3526 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3527
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3528
8737 76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	3529 ngx_msec_t
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3530 ngx_quic_pto(ngx_connection_t c, ngx_quic_send_ctx_t ctx)
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3531 {
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3532 ngx_msec_t duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3533 ngx_quic_connection_t *qc;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3534
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3535 qc = ngx_quic_get_connection(c);
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3536
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3537 /* PTO calculation: quic-recovery, Appendix 8 */
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3538 duration = qc->avg_rtt;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3539
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3540 duration += ngx_max(4 * qc->rttvar, NGX_QUIC_TIME_GRANULARITY);
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3541 duration <<= qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3542
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3543 if (qc->congestion.in_flight == 0) { /* no in-flight packets */
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3544 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3545 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3546
8661 49efd27dace6 QUIC: use client max_ack_delay when computing pto timeout. Roman Arutyunyan <arut@nginx.com> parents: 8660 diff changeset	3547 if (ctx->level == ssl_encryption_application && c->ssl->handshaked) {
49efd27dace6 QUIC: use client max_ack_delay when computing pto timeout. Roman Arutyunyan <arut@nginx.com> parents: 8660 diff changeset	3548 duration += qc->ctp.max_ack_delay << qc->pto_count;
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3549 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3550
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3551 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3552 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3553
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3554
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3555 static void
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3556 ngx_quic_handle_stream_ack(ngx_connection_t c, ngx_quic_frame_t f)
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3557 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3558 uint64_t sent, unacked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3559 ngx_event_t *wev;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3560 ngx_quic_stream_t *sn;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3561 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3562
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3563 qc = ngx_quic_get_connection(c);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3564
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3565 sn = ngx_quic_find_stream(&qc->streams.tree, f->u.stream.stream_id);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3566 if (sn == NULL) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3567 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3568 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3569
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3570 wev = sn->c->write;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3571 sent = sn->c->sent;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3572 unacked = sent - sn->acked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3573
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3574 if (unacked >= NGX_QUIC_STREAM_BUFSIZE && wev->active) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3575 wev->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3576 ngx_post_event(wev, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3577 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3578
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3579 sn->acked += f->u.stream.length;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3580
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3581 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, sn->c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3582 "quic stream ack len:%uL acked:%uL unacked:%uL",
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3583 f->u.stream.length, sn->acked, sent - sn->acked);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3584 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3585
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3586
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3587 static ngx_int_t
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3588 ngx_quic_handle_ordered_frame(ngx_connection_t c, ngx_quic_frames_stream_t fs,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3589 ngx_quic_frame_t frame, ngx_quic_frame_handler_pt handler, void data)
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3590 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3591 size_t full_len;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3592 ngx_int_t rc;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3593 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3594 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3595
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3596 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3597
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3598 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3599 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3600 "quic out-of-order frame: expecting:%uL got:%uL",
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3601 fs->received, f->offset);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3602
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3603 return ngx_quic_buffer_frame(c, fs, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3604 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3605
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3606 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3607
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3608 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3609 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3610 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3611 /* old/duplicate data range */
8566 9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3612 return handler == ngx_quic_crypto_input ? NGX_DECLINED : NGX_OK;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3613 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3614
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3615 /* intersecting data range, frame modified */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3616 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3617
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3618 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3619
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3620 rc = handler(c, frame, data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3621 if (rc == NGX_ERROR) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3622 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3623
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3624 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3625 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3626 return NGX_OK;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3627 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3628
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3629 /* rc == NGX_OK */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3630
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3631 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3632
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3633 /* now check the queue if we can continue with buffered frames */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3634
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3635 do {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3636 q = ngx_queue_head(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3637 if (q == ngx_queue_sentinel(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3638 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3639 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3640
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3641 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3642 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3643
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3644 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3645 /* gap found, nothing more to do */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3646 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3647 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3648
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3649 full_len = f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3650
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3651 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3652
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3653 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3654 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3655 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3656 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3657 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3658 fs->total -= f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3659
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3660 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	3661 "quic skipped buffered frame, total:%ui",
d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	3662 fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3663 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3664 continue;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3665 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3666
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3667 /* frame was adjusted, proceed to input */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3668 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3669
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3670 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3671
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3672 rc = handler(c, frame, data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3673
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3674 if (rc == NGX_ERROR) {
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3675 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3676
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3677 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3678 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3679 return NGX_OK;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3680 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3681
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3682 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3683 fs->total -= full_len;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3684
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3685 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3686
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3687 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	3688 "quic consumed buffered frame, total:%ui", fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3689
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3690 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3691
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3692 } while (1);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3693
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3694 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3695 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3696
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3697
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3698 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3699 ngx_quic_adjust_frame_offset(ngx_connection_t c, ngx_quic_frame_t frame,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3700 uint64_t offset_in)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3701 {
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3702 size_t tail, n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3703 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3704 ngx_chain_t *cl;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3705 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3706
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3707 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3708
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3709 tail = offset_in - f->offset;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3710
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3711 if (tail >= f->length) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3712 /* range preceeding already received data or duplicate, ignore */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3713
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3714 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3715 "quic old or duplicate data in ordered frame, ignored");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3716 return NGX_DONE;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3717 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3718
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3719 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3720 "quic adjusted ordered frame data start to expected offset");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3721
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3722 /* intersecting range: adjust data size */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3723
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3724 f->offset += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3725 f->length -= tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3726
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3727 for (cl = frame->data; cl; cl = cl->next) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3728 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3729 n = ngx_buf_size(b);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3730
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3731 if (n >= tail) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3732 b->pos += tail;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3733 break;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3734 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3735
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3736 cl->buf->pos = cl->buf->last;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3737 tail -= n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3738 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3739
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3740 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3741 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3742
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3743
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3744 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3745 ngx_quic_buffer_frame(ngx_connection_t c, ngx_quic_frames_stream_t fs,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3746 ngx_quic_frame_t *frame)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3747 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3748 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3749 ngx_quic_frame_t dst, item;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3750 ngx_quic_ordered_frame_t f, df;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3751
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3752 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3753 "quic ngx_quic_buffer_frame");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3754
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3755 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3756
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3757 /* frame start offset is in the future, buffer it */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3758
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3759 dst = ngx_quic_alloc_frame(c);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3760 if (dst == NULL) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3761 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3762 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3763
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3764 ngx_memcpy(dst, frame, sizeof(ngx_quic_frame_t));
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3765
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3766 dst->data = ngx_quic_copy_chain(c, frame->data, 0);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3767 if (dst->data == NGX_CHAIN_ERROR) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3768 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3769 }
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3770
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3771 df = &dst->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3772
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3773 fs->total += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3774
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3775 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	3776 "quic ordered frame with unexpected offset:"
d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	3777 " buffered total:%ui", fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3778
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3779 if (ngx_queue_empty(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3780 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3781 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3782 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3783
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3784 for (q = ngx_queue_last(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3785 q != ngx_queue_sentinel(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3786 q = ngx_queue_prev(q))
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3787 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3788 item = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3789 f = &item->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3790
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3791 if (f->offset < df->offset) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3792 ngx_queue_insert_after(q, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3793 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3794 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3795 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3796
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3797 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3798
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3799 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3800 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3801
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3802
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3803 static ngx_int_t
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3804 ngx_quic_handle_crypto_frame(ngx_connection_t c, ngx_quic_header_t pkt,
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3805 ngx_quic_frame_t *frame)
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3806 {
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3807 uint64_t last;
8566 9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3808 ngx_int_t rc;
8573 6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8572 diff changeset	3809 ngx_quic_send_ctx_t *ctx;
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3810 ngx_quic_connection_t *qc;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3811 ngx_quic_crypto_frame_t *f;
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3812 ngx_quic_frames_stream_t *fs;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3813
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3814 qc = ngx_quic_get_connection(c);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3815 fs = &qc->crypto[pkt->level];
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3816 f = &frame->u.crypto;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3817
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3818 /* no overflow since both values are 62-bit */
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3819 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3820
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3821 if (last > fs->received && last - fs->received > NGX_QUIC_MAX_BUFFERED) {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3822 qc->error = NGX_QUIC_ERR_CRYPTO_BUFFER_EXCEEDED;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3823 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3824 }
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3825
8566 9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3826 rc = ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input,
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3827 NULL);
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3828 if (rc != NGX_DECLINED) {
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3829 return rc;
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3830 }
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3831
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3832 /* speeding up handshake completion */
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3833
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3834 if (pkt->level == ssl_encryption_initial) {
8573 6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8572 diff changeset	3835 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8572 diff changeset	3836
6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8572 diff changeset	3837 if (!ngx_queue_empty(&ctx->sent)) {
6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8572 diff changeset	3838 ngx_quic_resend_frames(c, ctx);
8660 6201cef77b1d QUIC: resend handshake packets along with initial. Roman Arutyunyan <arut@nginx.com> parents: 8659 diff changeset	3839
6201cef77b1d QUIC: resend handshake packets along with initial. Roman Arutyunyan <arut@nginx.com> parents: 8659 diff changeset	3840 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_handshake);
6201cef77b1d QUIC: resend handshake packets along with initial. Roman Arutyunyan <arut@nginx.com> parents: 8659 diff changeset	3841 while (!ngx_queue_empty(&ctx->sent)) {
6201cef77b1d QUIC: resend handshake packets along with initial. Roman Arutyunyan <arut@nginx.com> parents: 8659 diff changeset	3842 ngx_quic_resend_frames(c, ctx);
6201cef77b1d QUIC: resend handshake packets along with initial. Roman Arutyunyan <arut@nginx.com> parents: 8659 diff changeset	3843 }
8573 6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8572 diff changeset	3844 }
8566 9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3845 }
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3846
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3847 return NGX_OK;
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3848 }
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3849
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3850
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3851 static ngx_int_t
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3852 ngx_quic_crypto_input(ngx_connection_t c, ngx_quic_frame_t frame, void *data)
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3853 {
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3854 int n, sslerr;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3855 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3856 ngx_chain_t *cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3857 ngx_ssl_conn_t *ssl_conn;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3858 ngx_quic_connection_t *qc;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3859
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3860 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3861
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3862 ssl_conn = c->ssl->connection;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3863
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3864 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3865 "quic SSL_quic_read_level:%d SSL_quic_write_level:%d",
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3866 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3867 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3868
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3869 for (cl = frame->data; cl; cl = cl->next) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3870 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3871
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3872 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn),
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3873 b->pos, b->last - b->pos))
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3874 {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3875 ngx_ssl_error(NGX_LOG_INFO, c->log, 0,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3876 "SSL_provide_quic_data() failed");
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3877 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3878 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3879 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3880
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3881 n = SSL_do_handshake(ssl_conn);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3882
8620 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3883 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3884 "quic SSL_quic_read_level:%d SSL_quic_write_level:%d",
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3885 (int) SSL_quic_read_level(ssl_conn),
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3886 (int) SSL_quic_write_level(ssl_conn));
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3887
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3888 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3889
8620 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3890 if (n <= 0) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3891 sslerr = SSL_get_error(ssl_conn, n);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3892
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3893 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d",
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3894 sslerr);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3895
8300 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	3896 if (sslerr != SSL_ERROR_WANT_READ) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3897 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed");
8300 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	3898 return NGX_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3899 }
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	3900
8620 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3901 return NGX_OK;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3902 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3903
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3904 if (SSL_in_init(ssl_conn)) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3905 return NGX_OK;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3906 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3907
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3908 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3909 "quic ssl cipher:%s", SSL_get_cipher(ssl_conn));
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3910
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3911 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3912 "quic handshake completed successfully");
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3913
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3914 c->ssl->handshaked = 1;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3915
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	3916 frame = ngx_quic_alloc_frame(c);
8620 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3917 if (frame == NULL) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3918 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3919 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3920
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3921 /* 12.4 Frames and frame types, figure 8 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3922 frame->level = ssl_encryption_application;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3923 frame->type = NGX_QUIC_FT_HANDSHAKE_DONE;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3924 ngx_quic_queue_frame(qc, frame);
8620 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3925
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3926 if (ngx_quic_send_new_token(c) != NGX_OK) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3927 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3928 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3929
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3930 /*
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3931 * Generating next keys before a key update is received.
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3932 * See quic-tls 9.4 Header Protection Timing Side-Channels.
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3933 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3934
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3935 if (ngx_quic_keys_update(c, qc->keys) != NGX_OK) {
8620 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3936 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3937 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3938
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3939 /*
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3940 * 4.10.2 An endpoint MUST discard its handshake keys
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3941 * when the TLS handshake is confirmed
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3942 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3943 ngx_quic_discard_ctx(c, ssl_encryption_handshake);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3944
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	3945 if (ngx_quic_issue_server_ids(c) != NGX_OK) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	3946 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	3947 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	3948
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3949 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3950 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3951
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3952
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3953 static ngx_int_t
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3954 ngx_quic_handle_stream_frame(ngx_connection_t c, ngx_quic_header_t pkt,
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3955 ngx_quic_frame_t *frame)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3956 {
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3957 size_t window;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3958 uint64_t last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3959 ngx_buf_t *b;
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3960 ngx_pool_t *pool;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3961 ngx_connection_t *sc;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3962 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3963 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3964 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3965 ngx_quic_frames_stream_t *fs;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3966
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3967 qc = ngx_quic_get_connection(c);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3968 f = &frame->u.stream;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3969
8427 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3970 if ((f->stream_id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3971 && (f->stream_id & NGX_QUIC_STREAM_SERVER_INITIATED))
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3972 {
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3973 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3974 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3975 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3976
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3977 /* no overflow since both values are 62-bit */
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3978 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3979
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3980 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3981
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3982 if (sn == NULL) {
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3983 sn = ngx_quic_create_client_stream(c, f->stream_id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3984
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3985 if (sn == NULL) {
8427 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3986 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3987 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3988
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3989 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3990 return NGX_OK;
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	3991 }
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3992
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3993 sc = sn->c;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3994 fs = &sn->fs;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3995 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3996 window = b->end - b->last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3997
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3998 if (last > window) {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3999 qc->error = NGX_QUIC_ERR_FLOW_CONTROL_ERROR;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4000 goto cleanup;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4001 }
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4002
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4003 if (ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4004 sn)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4005 != NGX_OK)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4006 {
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4007 goto cleanup;
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4008 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4009
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4010 sc->listening->handler(sc);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4011
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4012 return NGX_OK;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4013 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4014
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4015 fs = &sn->fs;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4016 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4017 window = (b->pos - b->start) + (b->end - b->last);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4018
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4019 if (last > fs->received && last - fs->received > window) {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4020 qc->error = NGX_QUIC_ERR_FLOW_CONTROL_ERROR;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4021 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4022 }
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4023
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	4024 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	4025 sn);
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4026
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4027 cleanup:
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4028
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4029 pool = sc->pool;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4030
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4031 ngx_close_connection(sc);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4032 ngx_destroy_pool(pool);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4033
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	4034 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4035 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4036
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4037
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4038 static ngx_int_t
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	4039 ngx_quic_stream_input(ngx_connection_t c, ngx_quic_frame_t frame, void *data)
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4040 {
8501 fc16e303003a QUIC: fixed possible use-after-free on stream cleanup. Sergey Kandaurov <pluknet@nginx.com> parents: 8500 diff changeset	4041 uint64_t id;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4042 ngx_buf_t *b;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4043 ngx_event_t *rev;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	4044 ngx_chain_t *cl;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4045 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4046 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4047 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4048
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4049 qc = ngx_quic_get_connection(c);
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	4050 sn = data;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4051
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4052 f = &frame->u.stream;
8501 fc16e303003a QUIC: fixed possible use-after-free on stream cleanup. Sergey Kandaurov <pluknet@nginx.com> parents: 8500 diff changeset	4053 id = f->stream_id;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4054
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4055 b = sn->b;
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4056
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4057 if ((size_t) ((b->pos - b->start) + (b->end - b->last)) < f->length) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	4058 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	4059 "quic no space in stream buffer");
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4060 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4061 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4062
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4063 if ((size_t) (b->end - b->last) < f->length) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4064 b->last = ngx_movemem(b->start, b->pos, b->last - b->pos);
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4065 b->pos = b->start;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4066 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4067
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	4068 for (cl = frame->data; cl; cl = cl->next) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	4069 b->last = ngx_cpymem(b->last, cl->buf->pos,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	4070 cl->buf->last - cl->buf->pos);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	4071 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4072
8294 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	4073 rev = sn->c->read;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	4074 rev->ready = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	4075
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	4076 if (f->fin) {
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	4077 rev->pending_eof = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	4078 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4079
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4080 if (rev->active) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4081 rev->handler(rev);
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	4082 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	4083
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	4084 /* check if stream was destroyed by handler */
8501 fc16e303003a QUIC: fixed possible use-after-free on stream cleanup. Sergey Kandaurov <pluknet@nginx.com> parents: 8500 diff changeset	4085 if (ngx_quic_find_stream(&qc->streams.tree, id) == NULL) {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4086 return NGX_DONE;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4087 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4088
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4089 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4090 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4091
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4092
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4093 static ngx_int_t
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4094 ngx_quic_handle_max_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4095 ngx_quic_max_data_frame_t *f)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4096 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4097 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4098 ngx_rbtree_t *tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4099 ngx_rbtree_node_t *node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4100 ngx_quic_stream_t *qs;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4101 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4102
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4103 qc = ngx_quic_get_connection(c);
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4104 tree = &qc->streams.tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4105
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4106 if (f->max_data <= qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4107 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4108 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4109
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4110 if (qc->streams.sent >= qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4111
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4112 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4113 node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4114 node = ngx_rbtree_next(tree, node))
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4115 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4116 qs = (ngx_quic_stream_t *) node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4117 wev = qs->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4118
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4119 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4120 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4121 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4122 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4123 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4124 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4125
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4126 qc->streams.send_max_data = f->max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4127
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4128 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4129 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4130
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4131
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4132 static ngx_int_t
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4133 ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4134 ngx_quic_header_t pkt, ngx_quic_streams_blocked_frame_t f)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4135 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4136 return NGX_OK;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4137 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4138
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4139
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4140 static ngx_int_t
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4141 ngx_quic_handle_stream_data_blocked_frame(ngx_connection_t *c,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4142 ngx_quic_header_t pkt, ngx_quic_stream_data_blocked_frame_t f)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4143 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4144 size_t n;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4145 ngx_buf_t *b;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4146 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4147 ngx_quic_stream_t *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4148 ngx_quic_connection_t *qc;
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4149
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4150 qc = ngx_quic_get_connection(c);
8429 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4151
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4152 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4153 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED))
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4154 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4155 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4156 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4157 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4158
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4159 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4160
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4161 if (sn == NULL) {
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4162 sn = ngx_quic_create_client_stream(c, f->id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4163
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4164 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4165 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4166 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4167
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4168 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4169 return NGX_OK;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4170 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4171
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4172 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4173 n = b->end - b->last;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4174
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4175 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4176
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4177 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4178 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4179 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4180 }
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4181
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	4182 frame = ngx_quic_alloc_frame(c);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4183 if (frame == NULL) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4184 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4185 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4186
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4187 frame->level = pkt->level;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4188 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4189 frame->u.max_stream_data.id = f->id;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4190 frame->u.max_stream_data.limit = n;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4191
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4192 ngx_quic_queue_frame(qc, frame);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4193
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4194 return NGX_OK;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4195 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4196
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4197
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4198 static ngx_int_t
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4199 ngx_quic_handle_max_stream_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4200 ngx_quic_header_t pkt, ngx_quic_max_stream_data_frame_t f)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4201 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4202 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4203 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4204 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4205 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4206
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4207 qc = ngx_quic_get_connection(c);
8429 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4208
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4209 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4210 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4211 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4212 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4213 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4214 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4215
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4216 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4217
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4218 if (sn == NULL) {
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4219 sn = ngx_quic_create_client_stream(c, f->id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4220
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4221 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4222 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4223 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4224
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4225 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4226 return NGX_OK;
8429 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4227 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4228
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4229 if (f->limit > sn->send_max_data) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4230 sn->send_max_data = f->limit;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4231 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4232
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4233 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4234
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4235 return NGX_OK;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4236 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4237
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4238 if (f->limit <= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4239 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4240 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4241
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4242 sent = sn->c->sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4243
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4244 if (sent >= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4245 wev = sn->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4246
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4247 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4248 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4249 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4250 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4251 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4252
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4253 sn->send_max_data = f->limit;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4254
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4255 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4256 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4257
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4258
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4259 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4260 ngx_quic_handle_reset_stream_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4261 ngx_quic_header_t pkt, ngx_quic_reset_stream_frame_t f)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4262 {
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4263 ngx_event_t *rev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4264 ngx_connection_t *sc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4265 ngx_quic_stream_t *sn;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4266 ngx_quic_connection_t *qc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4267
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4268 qc = ngx_quic_get_connection(c);
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4269
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4270 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4271 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED))
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4272 {
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4273 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4274 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4275 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4276
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4277 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4278
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4279 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4280 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4281
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4282 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4283 return NGX_ERROR;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4284 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4285
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4286 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4287 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4288 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4289
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4290 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4291
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4292 rev = sc->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4293 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4294 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4295
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4296 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4297
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4298 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4299 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4300
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4301 rev = sn->c->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4302 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4303 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4304
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4305 if (rev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4306 rev->handler(rev);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4307 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4308
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4309 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4310 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4311
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4312
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4313 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4314 ngx_quic_handle_stop_sending_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4315 ngx_quic_header_t pkt, ngx_quic_stop_sending_frame_t f)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4316 {
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4317 ngx_event_t *wev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4318 ngx_connection_t *sc;
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4319 ngx_quic_stream_t *sn;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4320 ngx_quic_connection_t *qc;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4321
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4322 qc = ngx_quic_get_connection(c);
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4323
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4324 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4325 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4326 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4327 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4328 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4329 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4330
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4331 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4332
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4333 if (sn == NULL) {
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4334 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4335
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4336 if (sn == NULL) {
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4337 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4338 }
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4339
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4340 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4341 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4342 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4343
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4344 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4345
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4346 wev = sc->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4347 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4348 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4349
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4350 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4351
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4352 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4353 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4354
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4355 wev = sn->c->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4356 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4357 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4358
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4359 if (wev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4360 wev->handler(wev);
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4361 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4362
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4363 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4364 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4365
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4366
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4367 static ngx_int_t
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4368 ngx_quic_handle_max_streams_frame(ngx_connection_t *c,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4369 ngx_quic_header_t pkt, ngx_quic_max_streams_frame_t f)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4370 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4371 ngx_quic_connection_t *qc;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4372
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4373 qc = ngx_quic_get_connection(c);
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4374
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4375 if (f->bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4376 if (qc->streams.server_max_streams_bidi < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4377 qc->streams.server_max_streams_bidi = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4378
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4379 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4380 "quic max_streams_bidi:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4381 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4382
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4383 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4384 if (qc->streams.server_max_streams_uni < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4385 qc->streams.server_max_streams_uni = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4386
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4387 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4388 "quic max_streams_uni:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4389 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4390 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4391
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4392 return NGX_OK;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4393 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4394
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4395
8531 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4396 static ngx_int_t
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4397 ngx_quic_handle_new_connection_id_frame(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4398 ngx_quic_header_t pkt, ngx_quic_new_conn_id_frame_t f)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4399 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4400 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4401 ngx_quic_client_id_t cid, item;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4402 ngx_quic_connection_t *qc;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4403
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4404 qc = ngx_quic_get_connection(c);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4405
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4406 if (f->seqnum < qc->max_retired_seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4407 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4408 * An endpoint that receives a NEW_CONNECTION_ID frame with
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4409 * a sequence number smaller than the Retire Prior To field
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4410 * of a previously received NEW_CONNECTION_ID frame MUST send
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4411 * a corresponding RETIRE_CONNECTION_ID frame that retires
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4412 * the newly received connection ID, unless it has already
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4413 * done so for that sequence number.
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4414 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4415
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4416 if (ngx_quic_retire_connection_id(c, pkt->level, f->seqnum) != NGX_OK) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4417 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4418 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4419
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4420 goto retire;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4421 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4422
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4423 cid = NULL;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4424
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4425 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4426 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4427 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4428 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4429 item = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4430
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4431 if (item->seqnum == f->seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4432 cid = item;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4433 break;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4434 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4435 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4436
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4437 if (cid) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4438 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4439 * Transmission errors, timeouts and retransmissions might cause the
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4440 * same NEW_CONNECTION_ID frame to be received multiple times
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4441 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4442
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4443 if (cid->len != f->len
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4444 \|\| ngx_strncmp(cid->id, f->cid, f->len) != 0
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	4445 \|\| ngx_strncmp(cid->sr_token, f->srt, NGX_QUIC_SR_TOKEN_LEN) != 0)
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4446 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4447 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4448 * ..a sequence number is used for different connection IDs,
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4449 * the endpoint MAY treat that receipt as a connection error
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4450 * of type PROTOCOL_VIOLATION.
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4451 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4452 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4453 qc->error_reason = "seqnum refers to different connection id/token";
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4454 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4455 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4456
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4457 } else {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4458
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	4459 cid = ngx_quic_alloc_client_id(c, qc);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4460 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4461 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4462 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4463
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4464 cid->seqnum = f->seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4465 cid->len = f->len;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4466 ngx_memcpy(cid->id, f->cid, f->len);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4467
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	4468 ngx_memcpy(cid->sr_token, f->srt, NGX_QUIC_SR_TOKEN_LEN);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4469
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4470 ngx_queue_insert_tail(&qc->client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4471 qc->nclient_ids++;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4472
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4473 /* always use latest available connection id */
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	4474 if (f->seqnum > qc->client_seqnum) {
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4475 qc->scid.len = cid->len;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4476 qc->scid.data = cid->id;
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	4477 qc->client_seqnum = f->seqnum;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4478 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4479 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4480
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4481 retire:
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4482
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4483 if (qc->max_retired_seqnum && f->retire <= qc->max_retired_seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4484 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4485 * Once a sender indicates a Retire Prior To value, smaller values sent
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4486 * in subsequent NEW_CONNECTION_ID frames have no effect. A receiver
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4487 * MUST ignore any Retire Prior To fields that do not increase the
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4488 * largest received Retire Prior To value.
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4489 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4490 goto done;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4491 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4492
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4493 qc->max_retired_seqnum = f->retire;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4494
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4495 q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4496
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4497 while (q != ngx_queue_sentinel(&qc->client_ids)) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4498
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4499 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4500 q = ngx_queue_next(q);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4501
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4502 if (cid->seqnum >= f->retire) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4503 continue;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4504 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4505
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4506 /* this connection id must be retired */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4507
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4508 if (ngx_quic_retire_connection_id(c, pkt->level, cid->seqnum)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4509 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4510 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4511 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4512 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4513
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4514 ngx_queue_remove(&cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4515 ngx_queue_insert_head(&qc->free_client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4516 qc->nclient_ids--;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4517 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4518
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4519 done:
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4520
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4521 if (qc->nclient_ids > qc->tp.active_connection_id_limit) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4522 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4523 * After processing a NEW_CONNECTION_ID frame and
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4524 * adding and retiring active connection IDs, if the number of active
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4525 * connection IDs exceeds the value advertised in its
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4526 * active_connection_id_limit transport parameter, an endpoint MUST
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4527 * close the connection with an error of type CONNECTION_ID_LIMIT_ERROR.
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4528 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4529 qc->error = NGX_QUIC_ERR_CONNECTION_ID_LIMIT_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4530 qc->error_reason = "too many connection ids received";
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4531 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4532 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4533
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4534 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4535 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4536
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4537
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4538 static ngx_int_t
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4539 ngx_quic_retire_connection_id(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4540 enum ssl_encryption_level_t level, uint64_t seqnum)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4541 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4542 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4543 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4544
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4545 qc = ngx_quic_get_connection(c);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4546
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	4547 frame = ngx_quic_alloc_frame(c);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4548 if (frame == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4549 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4550 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4551
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4552 frame->level = level;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4553 frame->type = NGX_QUIC_FT_RETIRE_CONNECTION_ID;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4554 frame->u.retire_cid.sequence_number = seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4555
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4556 ngx_quic_queue_frame(qc, frame);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4557
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4558 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4559 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4560
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4561
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4562 static ngx_int_t
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4563 ngx_quic_handle_retire_connection_id_frame(ngx_connection_t *c,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4564 ngx_quic_header_t pkt, ngx_quic_retire_cid_frame_t f)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4565 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4566 ngx_queue_t *q;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4567 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4568 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4569
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4570 qc = ngx_quic_get_connection(c);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4571
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4572 for (q = ngx_queue_head(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4573 q != ngx_queue_sentinel(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4574 q = ngx_queue_next(q))
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4575 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4576 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4577
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4578 if (sid->seqnum == f->sequence_number) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4579 ngx_queue_remove(q);
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4580 ngx_queue_insert_tail(&qc->free_server_ids, &sid->queue);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4581 ngx_rbtree_delete(&c->listening->rbtree, &sid->udp.node);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4582 qc->nserver_ids--;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4583 break;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4584 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4585 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4586
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4587 return ngx_quic_issue_server_ids(c);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4588 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4589
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4590
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4591 static ngx_int_t
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4592 ngx_quic_issue_server_ids(ngx_connection_t *c)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4593 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4594 ngx_str_t dcid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4595 ngx_uint_t n;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4596 ngx_quic_frame_t *frame;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4597 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4598 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4599 u_char id[NGX_QUIC_SERVER_CID_LEN];
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4600
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4601 qc = ngx_quic_get_connection(c);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4602
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4603 n = ngx_min(NGX_QUIC_MAX_SERVER_IDS, qc->ctp.active_connection_id_limit);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4604
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4605 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4606 "quic issue server ids has:%ui max:%ui", qc->nserver_ids, n);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4607
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4608 while (qc->nserver_ids < n) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4609 if (ngx_quic_create_server_id(c, id) != NGX_OK) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4610 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4611 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4612
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4613 dcid.len = NGX_QUIC_SERVER_CID_LEN;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4614 dcid.data = id;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4615
8735 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8734 diff changeset	4616 sid = ngx_quic_insert_server_id(c, qc, &dcid);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4617 if (sid == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4618 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4619 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4620
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	4621 frame = ngx_quic_alloc_frame(c);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4622 if (frame == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4623 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4624 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4625
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4626 frame->level = ssl_encryption_application;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4627 frame->type = NGX_QUIC_FT_NEW_CONNECTION_ID;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4628 frame->u.ncid.seqnum = sid->seqnum;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4629 frame->u.ncid.retire = 0;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4630 frame->u.ncid.len = NGX_QUIC_SERVER_CID_LEN;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4631 ngx_memcpy(frame->u.ncid.cid, id, NGX_QUIC_SERVER_CID_LEN);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4632
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	4633 if (ngx_quic_new_sr_token(c, &dcid, qc->conf->sr_token_key,
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4634 frame->u.ncid.srt)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4635 != NGX_OK)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4636 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4637 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4638 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4639
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4640 ngx_quic_queue_frame(qc, frame);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4641 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4642
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4643 return NGX_OK;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4644 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4645
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4646
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4647 static void
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4648 ngx_quic_clear_temp_server_ids(ngx_connection_t *c)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4649 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4650 ngx_queue_t q, next;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4651 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4652 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4653
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4654 qc = ngx_quic_get_connection(c);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4655
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4656 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4657 "quic clear temp server ids");
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4658
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4659 for (q = ngx_queue_head(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4660 q != ngx_queue_sentinel(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4661 q = next)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4662 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4663 next = ngx_queue_next(q);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4664 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4665
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4666 if (sid->seqnum != NGX_QUIC_UNSET_PN) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4667 continue;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4668 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4669
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4670 ngx_queue_remove(q);
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4671 ngx_queue_insert_tail(&qc->free_server_ids, &sid->queue);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4672 ngx_rbtree_delete(&c->listening->rbtree, &sid->udp.node);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4673 qc->nserver_ids--;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4674 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4675 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4676
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4677
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4678 static ngx_quic_server_id_t *
8735 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8734 diff changeset	4679 ngx_quic_insert_server_id(ngx_connection_t c, ngx_quic_connection_t qc,
9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8734 diff changeset	4680 ngx_str_t *id)
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4681 {
8735 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8734 diff changeset	4682 ngx_str_t dcid;
9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8734 diff changeset	4683 ngx_quic_server_id_t *sid;
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4684
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4685 sid = ngx_quic_alloc_server_id(c, qc);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4686 if (sid == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4687 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4688 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4689
8735 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8734 diff changeset	4690 sid->quic = qc;
9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8734 diff changeset	4691
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4692 sid->seqnum = qc->server_seqnum;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4693
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4694 if (qc->server_seqnum != NGX_QUIC_UNSET_PN) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4695 qc->server_seqnum++;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4696 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4697
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4698 sid->len = id->len;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4699 ngx_memcpy(sid->id, id->data, id->len);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4700
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4701 ngx_queue_insert_tail(&qc->server_ids, &sid->queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4702 qc->nserver_ids++;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4703
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4704 dcid.data = sid->id;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4705 dcid.len = sid->len;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4706
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4707 ngx_insert_udp_connection(c, &sid->udp, &dcid);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4708
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	4709 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	4710 "quic insert server id seqnum:%uL id len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	4711 sid->seqnum, id->len, id);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4712
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4713 return sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4714 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4715
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4716
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4717 static ngx_quic_client_id_t *
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	4718 ngx_quic_alloc_client_id(ngx_connection_t c, ngx_quic_connection_t qc)
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4719 {
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	4720 ngx_queue_t *q;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	4721 ngx_quic_client_id_t *cid;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4722
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4723 if (!ngx_queue_empty(&qc->free_client_ids)) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4724
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4725 q = ngx_queue_head(&qc->free_client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4726 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4727
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4728 ngx_queue_remove(&cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4729
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4730 ngx_memzero(cid, sizeof(ngx_quic_client_id_t));
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4731
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4732 } else {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4733
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4734 cid = ngx_pcalloc(c->pool, sizeof(ngx_quic_client_id_t));
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4735 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4736 return NULL;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4737 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4738 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4739
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4740 return cid;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4741 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4742
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4743
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4744 static ngx_quic_server_id_t *
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4745 ngx_quic_alloc_server_id(ngx_connection_t c, ngx_quic_connection_t qc)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4746 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4747 ngx_queue_t *q;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4748 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4749
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4750 if (!ngx_queue_empty(&qc->free_server_ids)) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4751
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4752 q = ngx_queue_head(&qc->free_server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4753 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4754
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4755 ngx_queue_remove(&sid->queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4756
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4757 ngx_memzero(sid, sizeof(ngx_quic_server_id_t));
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4758
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4759 } else {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4760
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4761 sid = ngx_pcalloc(c->pool, sizeof(ngx_quic_server_id_t));
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4762 if (sid == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4763 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4764 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4765 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4766
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4767 return sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4768 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4769
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4770
8736 714e9af983de QUIC: separate header for ngx_quic_connection_t. Vladimir Homutov <vl@nginx.com> parents: 8735 diff changeset	4771 void
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4772 ngx_quic_queue_frame(ngx_quic_connection_t qc, ngx_quic_frame_t frame)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4773 {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4774 ngx_quic_send_ctx_t *ctx;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4775
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4776 ctx = ngx_quic_get_send_ctx(qc, frame->level);
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4777
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4778 ngx_queue_insert_tail(&ctx->frames, &frame->queue);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	4779
8476 f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4780 frame->len = ngx_quic_create_frame(NULL, frame);
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4781 /* always succeeds */
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4782
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4783 if (qc->closing) {
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4784 return;
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4785 }
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4786
8517 924882f42dea QUIC: do not artificially delay sending queued frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8516 diff changeset	4787 ngx_post_event(&qc->push, &ngx_posted_events);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4788 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4789
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4790
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4791 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4792 ngx_quic_output(ngx_connection_t *c)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4793 {
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4794 off_t max;
8708 98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8703 diff changeset	4795 size_t len, min, in_flight;
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4796 ssize_t n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4797 u_char *p;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4798 ngx_uint_t i, pad;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4799 ngx_quic_send_ctx_t *ctx;
8708 98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8703 diff changeset	4800 ngx_quic_congestion_t *cg;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4801 ngx_quic_connection_t *qc;
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4802 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4803
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	4804 c->log->action = "sending frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	4805
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4806 qc = ngx_quic_get_connection(c);
8708 98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8703 diff changeset	4807 cg = &qc->congestion;
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8703 diff changeset	4808
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8703 diff changeset	4809 in_flight = cg->in_flight;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4810
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4811 for ( ;; ) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4812 p = dst;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4813
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4814 len = ngx_min(qc->ctp.max_udp_payload_size,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4815 NGX_QUIC_MAX_UDP_PAYLOAD_SIZE);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4816
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4817 if (!qc->validated) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4818 max = qc->received * 3;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4819 max = (c->sent >= max) ? 0 : max - c->sent;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4820 len = ngx_min(len, (size_t) max);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4821 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4822
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4823 pad = ngx_quic_get_padding_level(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4824
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4825 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4826
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4827 ctx = &qc->send_ctx[i];
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4828
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4829 if (ngx_quic_generate_ack(c, ctx) != NGX_OK) {
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4830 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4831 }
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4832
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4833 min = (i == pad && p - dst < NGX_QUIC_MIN_INITIAL_SIZE)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4834 ? NGX_QUIC_MIN_INITIAL_SIZE - (p - dst) : 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4835
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4836 n = ngx_quic_output_packet(c, ctx, p, len, min);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4837 if (n == NGX_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4838 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4839 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4840
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4841 p += n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4842 len -= n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4843 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4844
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4845 len = p - dst;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4846 if (len == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4847 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4848 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4849
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4850 n = ngx_quic_send(c, dst, len);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4851 if (n == NGX_ERROR) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4852 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4853 }
8708 98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8703 diff changeset	4854 }
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8703 diff changeset	4855
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8703 diff changeset	4856 if (in_flight != cg->in_flight && !qc->send_timer_set && !qc->closing) {
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8703 diff changeset	4857 qc->send_timer_set = 1;
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8703 diff changeset	4858 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	4859 }
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	4860
8697 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	4861 ngx_quic_set_lost_timer(c);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	4862
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4863 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4864 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4865
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4866
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4867 static ngx_uint_t
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4868 ngx_quic_get_padding_level(ngx_connection_t *c)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4869 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4870 ngx_queue_t *q;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4871 ngx_quic_frame_t *f;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4872 ngx_quic_send_ctx_t *ctx;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4873 ngx_quic_connection_t *qc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4874
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4875 /*
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4876 * 14.1. Initial Datagram Size
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4877 *
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4878 * Similarly, a server MUST expand the payload of all UDP datagrams
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4879 * carrying ack-eliciting Initial packets to at least the smallest
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4880 * allowed maximum datagram size of 1200 bytes
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4881 */
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4882
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4883 qc = ngx_quic_get_connection(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4884 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_initial);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4885
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4886 for (q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4887 q != ngx_queue_sentinel(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4888 q = ngx_queue_next(q))
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4889 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4890 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4891
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4892 if (f->need_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4893 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_handshake);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4894
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4895 if (ngx_queue_empty(&ctx->frames)) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4896 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4897 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4898
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4899 return 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4900 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4901 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4902
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4903 return NGX_QUIC_SEND_CTX_LAST;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4904 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4905
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4906
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4907 static ngx_int_t
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4908 ngx_quic_generate_ack(ngx_connection_t c, ngx_quic_send_ctx_t ctx)
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4909 {
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4910 ngx_msec_t delay;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4911 ngx_quic_connection_t *qc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4912
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4913 if (!ctx->send_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4914 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4915 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4916
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4917 if (ctx->level == ssl_encryption_application) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4918
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4919 delay = ngx_current_msec - ctx->ack_delay_start;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4920 qc = ngx_quic_get_connection(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4921
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4922 if (ctx->send_ack < NGX_QUIC_MAX_ACK_GAP
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4923 && delay < qc->tp.max_ack_delay)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4924 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4925 if (!qc->push.timer_set && !qc->closing) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4926 ngx_add_timer(&qc->push,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4927 qc->tp.max_ack_delay - delay);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4928 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4929
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4930 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4931 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4932 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4933
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4934 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4935 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4936 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4937
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4938 ctx->send_ack = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4939
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4940 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4941 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4942
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4943
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4944 static ssize_t
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4945 ngx_quic_output_packet(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4946 u_char *data, size_t max, size_t min)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4947 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4948 size_t len, hlen, pad_len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4949 u_char *p;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4950 ssize_t flen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4951 ngx_str_t out, res;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4952 ngx_int_t rc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4953 ngx_uint_t nframes;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4954 ngx_msec_t now;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4955 ngx_queue_t *q;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4956 ngx_quic_frame_t *f;
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4957 ngx_quic_header_t pkt;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4958 ngx_quic_congestion_t *cg;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4959 ngx_quic_connection_t *qc;
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4960 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4961
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4962 if (ngx_queue_empty(&ctx->frames)) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4963 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4964 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4965
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4966 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4967 "quic output %s packet max:%uz min:%uz",
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4968 ngx_quic_level_name(ctx->level), max, min);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4969
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4970 qc = ngx_quic_get_connection(c);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4971 cg = &qc->congestion;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4972
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4973 hlen = (ctx->level == ssl_encryption_application)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4974 ? NGX_QUIC_MAX_SHORT_HEADER
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4975 : NGX_QUIC_MAX_LONG_HEADER;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4976
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4977 hlen += EVP_GCM_TLS_TAG_LEN;
8590 44991d728899 QUIC: account packet header length in amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8589 diff changeset	4978 hlen -= NGX_QUIC_MAX_CID_LEN - qc->scid.len;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4979
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4980 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4981
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4982 now = ngx_current_msec;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4983 nframes = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4984 p = src;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4985 len = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4986
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4987 for (q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4988 q != ngx_queue_sentinel(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4989 q = ngx_queue_next(q))
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4990 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4991 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4992
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4993 if (!pkt.need_ack && f->need_ack && max > cg->window) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4994 max = cg->window;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4995 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4996
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4997 if (hlen + len >= max) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4998 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	4999 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5000
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5001 if (hlen + len + f->len > max) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5002 rc = ngx_quic_split_frame(c, f, max - hlen - len);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5003
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5004 if (rc == NGX_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5005 return NGX_ERROR;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5006 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5007
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5008 if (rc == NGX_DECLINED) {
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5009 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5010 }
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5011 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5012
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5013 if (f->need_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5014 pkt.need_ack = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5015 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5016
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5017 ngx_quic_log_frame(c->log, f, 1);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5018
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5019 flen = ngx_quic_create_frame(p, f);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5020 if (flen == -1) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5021 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5022 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5023
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5024 len += flen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5025 p += flen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5026
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5027 f->pnum = ctx->pnum;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5028 f->first = now;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5029 f->last = now;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5030 f->plen = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5031
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5032 nframes++;
8698 9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5033
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5034 if (f->flush) {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5035 break;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5036 }
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5037 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5038
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5039 if (nframes == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5040 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5041 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5042
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5043 out.data = src;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5044 out.len = len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5045
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5046 pkt.keys = qc->keys;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5047 pkt.flags = NGX_QUIC_PKT_FIXED_BIT;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5048
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5049 if (ctx->level == ssl_encryption_initial) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5050 pkt.flags \|= NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_INITIAL;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5051
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5052 } else if (ctx->level == ssl_encryption_handshake) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5053 pkt.flags \|= NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_HANDSHAKE;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5054
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5055 } else {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5056 if (qc->key_phase) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5057 pkt.flags \|= NGX_QUIC_PKT_KPHASE;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5058 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5059 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5060
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5061 ngx_quic_set_packet_number(&pkt, ctx);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5062
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5063 pkt.version = qc->version;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5064 pkt.log = c->log;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5065 pkt.level = ctx->level;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5066 pkt.dcid = qc->scid;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5067 pkt.scid = qc->dcid;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5068
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5069 pad_len = 4;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5070
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5071 if (min) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5072 hlen = EVP_GCM_TLS_TAG_LEN
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5073 + ngx_quic_create_header(&pkt, NULL, out.len, NULL);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5074
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5075 if (min > hlen + pad_len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5076 pad_len = min - hlen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5077 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5078 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5079
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5080 if (out.len < pad_len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5081 ngx_memset(p, NGX_QUIC_FT_PADDING, pad_len - out.len);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5082 out.len = pad_len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5083 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5084
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5085 pkt.payload = out;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5086
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5087 res.data = data;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5088
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5089 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5090 "quic packet tx %s bytes:%ui"
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5091 " need_ack:%d number:%L encoded nl:%d trunc:0x%xD",
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5092 ngx_quic_level_name(ctx->level), out.len, pkt.need_ack,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5093 pkt.number, pkt.num_len, pkt.trunc);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5094
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5095 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5096 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5097 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5098
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5099 ctx->pnum++;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5100
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5101 if (pkt.need_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5102 /* move frames into the sent queue to wait for ack */
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5103
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5104 if (!qc->closing) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5105 q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5106 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5107 f->plen = res.len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5108
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5109 do {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5110 q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5111 ngx_queue_remove(q);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5112 ngx_queue_insert_tail(&ctx->sent, q);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5113 } while (--nframes);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5114 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5115
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5116 cg->in_flight += res.len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5117
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5118 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5119 "quic congestion send if:%uz", cg->in_flight);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5120 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5121
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5122 while (nframes--) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5123 q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5124 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5125
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5126 ngx_queue_remove(q);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5127 ngx_quic_free_frame(c, f);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5128 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5129
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5130 return res.len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5131 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5132
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5133
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5134 static ngx_int_t
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5135 ngx_quic_split_frame(ngx_connection_t c, ngx_quic_frame_t f, size_t len)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5136 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5137 size_t shrink;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5138 ngx_quic_frame_t *nf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5139 ngx_quic_ordered_frame_t of, onf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5140
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5141 switch (f->type) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5142 case NGX_QUIC_FT_CRYPTO:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5143 case NGX_QUIC_FT_STREAM0:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5144 case NGX_QUIC_FT_STREAM1:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5145 case NGX_QUIC_FT_STREAM2:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5146 case NGX_QUIC_FT_STREAM3:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5147 case NGX_QUIC_FT_STREAM4:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5148 case NGX_QUIC_FT_STREAM5:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5149 case NGX_QUIC_FT_STREAM6:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5150 case NGX_QUIC_FT_STREAM7:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5151 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5152
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5153 default:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5154 return NGX_DECLINED;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5155 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5156
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5157 if ((size_t) f->len <= len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5158 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5159 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5160
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5161 shrink = f->len - len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5162
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5163 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5164 "quic split frame now:%uz need:%uz shrink:%uz",
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5165 f->len, len, shrink);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5166
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5167 of = &f->u.ord;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5168
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5169 if (of->length <= shrink) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5170 return NGX_DECLINED;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5171 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5172
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5173 of->length -= shrink;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5174 f->len = ngx_quic_create_frame(NULL, f);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5175
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5176 if ((size_t) f->len > len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5177 ngx_log_error(NGX_LOG_ERR, c->log, 0, "could not split QUIC frame");
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5178 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5179 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5180
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5181 nf = ngx_quic_alloc_frame(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5182 if (nf == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5183 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5184 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5185
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5186 nf = f;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5187 onf = &nf->u.ord;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5188 onf->offset += of->length;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5189 onf->length = shrink;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5190 nf->len = ngx_quic_create_frame(NULL, nf);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5191
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5192 nf->data = ngx_quic_split_bufs(c, f->data, of->length);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5193 if (nf->data == NGX_CHAIN_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5194 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5195 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5196
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	5197 ngx_queue_insert_after(&f->queue, &nf->queue);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5198
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5199 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5200 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5201
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5202
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5203 static void
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5204 ngx_quic_free_frames(ngx_connection_t c, ngx_queue_t frames)
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5205 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5206 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5207 ngx_quic_frame_t *f;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5208
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5209 do {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5210 q = ngx_queue_head(frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5211
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5212 if (q == ngx_queue_sentinel(frames)) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5213 break;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5214 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5215
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5216 ngx_queue_remove(q);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5217
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5218 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5219
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5220 ngx_quic_free_frame(c, f);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5221 } while (1);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5222 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5223
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5224
8656 43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5225 static ssize_t
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5226 ngx_quic_send(ngx_connection_t c, u_char buf, size_t len)
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5227 {
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5228 ngx_buf_t b;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5229 ngx_chain_t cl, *res;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5230
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5231 ngx_memzero(&b, sizeof(ngx_buf_t));
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5232
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5233 b.pos = b.start = buf;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5234 b.last = b.end = buf + len;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5235 b.last_buf = 1;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5236 b.temporary = 1;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5237
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5238 cl.buf = &b;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5239 cl.next= NULL;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5240
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5241 res = c->send_chain(c, &cl, 0);
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5242 if (res == NGX_CHAIN_ERROR) {
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5243 return NGX_ERROR;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5244 }
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5245
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5246 return len;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5247 }
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5248
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8655 diff changeset	5249
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5250 static void
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	5251 ngx_quic_set_packet_number(ngx_quic_header_t pkt, ngx_quic_send_ctx_t ctx)
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5252 {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5253 uint64_t delta;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5254
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	5255 delta = ctx->pnum - ctx->largest_ack;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	5256 pkt->number = ctx->pnum;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5257
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5258 if (delta <= 0x7F) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5259 pkt->num_len = 1;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	5260 pkt->trunc = ctx->pnum & 0xff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5261
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5262 } else if (delta <= 0x7FFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5263 pkt->num_len = 2;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5264 pkt->flags \|= 0x1;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	5265 pkt->trunc = ctx->pnum & 0xffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5266
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5267 } else if (delta <= 0x7FFFFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5268 pkt->num_len = 3;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5269 pkt->flags \|= 0x2;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	5270 pkt->trunc = ctx->pnum & 0xffffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5271
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5272 } else {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5273 pkt->num_len = 4;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5274 pkt->flags \|= 0x3;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	5275 pkt->trunc = ctx->pnum & 0xffffffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5276 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5277 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5278
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5279
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	5280 static void
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	5281 ngx_quic_pto_handler(ngx_event_t *ev)
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5282 {
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5283 ngx_uint_t i;
8698 9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5284 ngx_msec_t now;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5285 ngx_queue_t q, next;
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5286 ngx_connection_t *c;
8698 9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5287 ngx_quic_frame_t *f;
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5288 ngx_quic_send_ctx_t *ctx;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5289 ngx_quic_connection_t *qc;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5290
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	5291 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic pto timer");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5292
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5293 c = ev->data;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5294 qc = ngx_quic_get_connection(c);
8698 9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5295 now = ngx_current_msec;
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5296
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5297 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5298
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5299 ctx = &qc->send_ctx[i];
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5300
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5301 if (ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5302 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5303 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5304
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5305 q = ngx_queue_head(&ctx->sent);
8698 9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5306 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5307
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5308 if (f->pnum <= ctx->largest_ack
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	5309 && ctx->largest_ack != NGX_QUIC_UNSET_PN)
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5310 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5311 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5312 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5313
8698 9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5314 if ((ngx_msec_int_t) (f->last + ngx_quic_pto(c, ctx) - now) > 0) {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5315 continue;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5316 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5317
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5318 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5319 "quic pto %s pto_count:%ui",
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5320 ngx_quic_level_name(ctx->level), qc->pto_count);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5321
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5322 for (q = ngx_queue_head(&ctx->frames);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5323 q != ngx_queue_sentinel(&ctx->frames);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5324 /* void */)
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5325 {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5326 next = ngx_queue_next(q);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5327 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5328
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5329 if (f->type == NGX_QUIC_FT_PING) {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5330 ngx_queue_remove(q);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5331 ngx_quic_free_frame(c, f);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5332 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5333
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5334 q = next;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5335 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5336
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5337 for (q = ngx_queue_head(&ctx->sent);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5338 q != ngx_queue_sentinel(&ctx->sent);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5339 /* void */)
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5340 {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5341 next = ngx_queue_next(q);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5342 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5343
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5344 if (f->type == NGX_QUIC_FT_PING) {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5345 ngx_quic_congestion_lost(c, f);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5346 ngx_queue_remove(q);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5347 ngx_quic_free_frame(c, f);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5348 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5349
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5350 q = next;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5351 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5352
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5353 /* enforce 2 udp datagrams */
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5354
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5355 f = ngx_quic_alloc_frame(c);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5356 if (f == NULL) {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5357 break;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5358 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5359
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5360 f->level = ctx->level;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5361 f->type = NGX_QUIC_FT_PING;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5362 f->flush = 1;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5363
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5364 ngx_quic_queue_frame(qc, f);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5365
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5366 f = ngx_quic_alloc_frame(c);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5367 if (f == NULL) {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5368 break;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5369 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5370
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5371 f->level = ctx->level;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5372 f->type = NGX_QUIC_FT_PING;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5373
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5374 ngx_quic_queue_frame(qc, f);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5375 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5376
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8697 diff changeset	5377 qc->pto_count++;
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	5378
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	5379 ngx_quic_connstate_dbg(c);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5380 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5381
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5382
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5383 static void
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5384 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5385 {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5386 ngx_connection_t *c;
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5387
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5388 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic push timer");
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5389
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5390 c = ev->data;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5391
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5392 if (ngx_quic_output(c) != NGX_OK) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	5393 ngx_quic_close_connection(c, NGX_ERROR);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5394 return;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5395 }
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	5396
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	5397 ngx_quic_connstate_dbg(c);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5398 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5399
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5400
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5401 static
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5402 void ngx_quic_lost_handler(ngx_event_t *ev)
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5403 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5404 ngx_connection_t *c;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5405
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5406 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic lost timer");
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5407
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5408 c = ev->data;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5409
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5410 if (ngx_quic_detect_lost(c) != NGX_OK) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5411 ngx_quic_close_connection(c, NGX_ERROR);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5412 }
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	5413
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	5414 ngx_quic_connstate_dbg(c);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5415 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5416
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5417
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5418 static ngx_int_t
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5419 ngx_quic_detect_lost(ngx_connection_t *c)
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5420 {
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5421 ngx_uint_t i;
8697 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5422 ngx_msec_t now, wait, thr;
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5423 ngx_queue_t *q;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5424 ngx_quic_frame_t *start;
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5425 ngx_quic_send_ctx_t *ctx;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5426 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5427
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5428 qc = ngx_quic_get_connection(c);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5429 now = ngx_current_msec;
8697 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5430 thr = ngx_quic_lost_threshold(qc);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5431
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5432 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5433
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5434 ctx = &qc->send_ctx[i];
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5435
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	5436 if (ctx->largest_ack == NGX_QUIC_UNSET_PN) {
8515 4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5437 continue;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5438 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5439
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5440 while (!ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5441
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5442 q = ngx_queue_head(&ctx->sent);
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5443 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5444
8515 4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5445 if (start->pnum > ctx->largest_ack) {
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5446 break;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5447 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5448
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5449 wait = start->last + thr - now;
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5450
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5451 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8519 de7d6d943f68 QUIC: fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8518 diff changeset	5452 "quic detect_lost pnum:%uL thr:%M wait:%i level:%d",
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5453 start->pnum, thr, (ngx_int_t) wait, start->level);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5454
8516 355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8515 diff changeset	5455 if ((ngx_msec_int_t) wait > 0
355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8515 diff changeset	5456 && ctx->largest_ack - start->pnum < NGX_QUIC_PKT_THR)
355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8515 diff changeset	5457 {
355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8515 diff changeset	5458 break;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5459 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5460
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5461 ngx_quic_resend_frames(c, ctx);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5462 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5463 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5464
8697 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5465 ngx_quic_set_lost_timer(c);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5466
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5467 return NGX_OK;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5468 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5469
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5470
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5471 static void
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5472 ngx_quic_set_lost_timer(ngx_connection_t *c)
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5473 {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5474 ngx_uint_t i;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5475 ngx_msec_t now;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5476 ngx_queue_t *q;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5477 ngx_msec_int_t lost, pto, w;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5478 ngx_quic_frame_t *f;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5479 ngx_quic_send_ctx_t *ctx;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5480 ngx_quic_connection_t *qc;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5481
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5482 qc = ngx_quic_get_connection(c);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5483 now = ngx_current_msec;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5484
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5485 lost = -1;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5486 pto = -1;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5487
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5488 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5489 ctx = &qc->send_ctx[i];
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5490
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5491 if (ngx_queue_empty(&ctx->sent)) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5492 continue;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5493 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5494
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5495 if (ctx->largest_ack != NGX_QUIC_UNSET_PN) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5496 q = ngx_queue_head(&ctx->sent);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5497 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5498 w = (ngx_msec_int_t) (f->last + ngx_quic_lost_threshold(qc) - now);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5499
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5500 if (f->pnum <= ctx->largest_ack) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5501 if (w < 0 \|\| ctx->largest_ack - f->pnum >= NGX_QUIC_PKT_THR) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5502 w = 0;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5503 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5504
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5505 if (lost == -1 \|\| w < lost) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5506 lost = w;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5507 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5508 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5509 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5510
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5511 q = ngx_queue_last(&ctx->sent);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5512 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5513 w = (ngx_msec_int_t) (f->last + ngx_quic_pto(c, ctx) - now);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5514
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5515 if (w < 0) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5516 w = 0;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5517 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5518
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5519 if (pto == -1 \|\| w < pto) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5520 pto = w;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5521 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5522 }
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5523
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5524 if (qc->pto.timer_set) {
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5525 ngx_del_timer(&qc->pto);
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5526 }
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5527
8697 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5528 if (lost != -1) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5529 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5530 "quic lost timer lost:%M", lost);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5531
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5532 qc->pto.handler = ngx_quic_lost_handler;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5533 ngx_add_timer(&qc->pto, lost);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5534 return;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5535 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5536
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5537 if (pto != -1) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5538 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5539 "quic lost timer pto:%M", pto);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5540
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5541 qc->pto.handler = ngx_quic_pto_handler;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5542 ngx_add_timer(&qc->pto, pto);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5543 return;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5544 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5545
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	5546 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic lost timer unset");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5547 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5548
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5549
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5550 static void
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5551 ngx_quic_resend_frames(ngx_connection_t c, ngx_quic_send_ctx_t ctx)
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5552 {
8617 69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5553 size_t n;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5554 ngx_buf_t *b;
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5555 ngx_queue_t *q;
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5556 ngx_quic_frame_t f, start;
8617 69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5557 ngx_quic_stream_t *sn;
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5558 ngx_quic_connection_t *qc;
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5559
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5560 qc = ngx_quic_get_connection(c);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5561 q = ngx_queue_head(&ctx->sent);
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5562 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5563
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5564 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5565 "quic resend packet pnum:%uL", start->pnum);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5566
8616 64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5567 ngx_quic_congestion_lost(c, start);
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5568
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5569 do {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5570 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5571
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5572 if (f->pnum != start->pnum) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5573 break;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5574 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5575
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5576 q = ngx_queue_next(q);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5577
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5578 ngx_queue_remove(&f->queue);
8616 64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5579
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5580 switch (f->type) {
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5581 case NGX_QUIC_FT_ACK:
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5582 case NGX_QUIC_FT_ACK_ECN:
8696 88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake. Roman Arutyunyan <arut@nginx.com> parents: 8695 diff changeset	5583 if (ctx->level == ssl_encryption_application) {
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake. Roman Arutyunyan <arut@nginx.com> parents: 8695 diff changeset	5584 /* force generation of most recent acknowledgment */
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake. Roman Arutyunyan <arut@nginx.com> parents: 8695 diff changeset	5585 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake. Roman Arutyunyan <arut@nginx.com> parents: 8695 diff changeset	5586 }
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake. Roman Arutyunyan <arut@nginx.com> parents: 8695 diff changeset	5587
8616 64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5588 ngx_quic_free_frame(c, f);
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5589 break;
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5590
8617 69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5591 case NGX_QUIC_FT_PING:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5592 case NGX_QUIC_FT_PATH_RESPONSE:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5593 case NGX_QUIC_FT_CONNECTION_CLOSE:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5594 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5595 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5596
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5597 case NGX_QUIC_FT_MAX_DATA:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5598 f->u.max_data.max_data = qc->streams.recv_max_data;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5599 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5600 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5601
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5602 case NGX_QUIC_FT_MAX_STREAMS:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5603 case NGX_QUIC_FT_MAX_STREAMS2:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5604 f->u.max_streams.limit = f->u.max_streams.bidi
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5605 ? qc->streams.client_max_streams_bidi
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5606 : qc->streams.client_max_streams_uni;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5607 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5608 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5609
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5610 case NGX_QUIC_FT_MAX_STREAM_DATA:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5611 sn = ngx_quic_find_stream(&qc->streams.tree,
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5612 f->u.max_stream_data.id);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5613 if (sn == NULL) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5614 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5615 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5616 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5617
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5618 b = sn->b;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5619 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5620
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5621 if (f->u.max_stream_data.limit < n) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5622 f->u.max_stream_data.limit = n;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5623 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5624
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5625 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5626 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5627
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5628 case NGX_QUIC_FT_STREAM0:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5629 case NGX_QUIC_FT_STREAM1:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5630 case NGX_QUIC_FT_STREAM2:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5631 case NGX_QUIC_FT_STREAM3:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5632 case NGX_QUIC_FT_STREAM4:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5633 case NGX_QUIC_FT_STREAM5:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5634 case NGX_QUIC_FT_STREAM6:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5635 case NGX_QUIC_FT_STREAM7:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5636 sn = ngx_quic_find_stream(&qc->streams.tree, f->u.stream.stream_id);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5637
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5638 if (sn && sn->c->write->error) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5639 /* RESET_STREAM was sent */
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5640 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5641 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5642 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5643
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5644 /* fall through */
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5645
8616 64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5646 default:
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5647 ngx_queue_insert_tail(&ctx->frames, &f->queue);
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5648 }
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5649
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5650 } while (q != ngx_queue_sentinel(&ctx->sent));
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5651
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5652 if (qc->closing) {
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5653 return;
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5654 }
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5655
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5656 ngx_post_event(&qc->push, &ngx_posted_events);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5657 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5658
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5659
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5660 ngx_connection_t *
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5661 ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5662 {
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5663 size_t rcvbuf_size;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5664 uint64_t id;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5665 ngx_quic_stream_t qs, sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5666 ngx_quic_connection_t *qc;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5667
8630 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8629 diff changeset	5668 qs = c->quic;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5669 qc = ngx_quic_get_connection(qs->parent);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5670
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5671 if (bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5672 if (qc->streams.server_streams_bidi
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5673 >= qc->streams.server_max_streams_bidi)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5674 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5675 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5676 "quic too many server bidi streams:%uL",
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5677 qc->streams.server_streams_bidi);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5678 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5679 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5680
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5681 id = (qc->streams.server_streams_bidi << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5682 \| NGX_QUIC_STREAM_SERVER_INITIATED;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5683
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5684 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5685 "quic creating server bidi stream"
eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5686 " streams:%uL max:%uL id:0x%xL",
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5687 qc->streams.server_streams_bidi,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5688 qc->streams.server_max_streams_bidi, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5689
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5690 qc->streams.server_streams_bidi++;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5691 rcvbuf_size = qc->tp.initial_max_stream_data_bidi_local;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5692
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5693 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5694 if (qc->streams.server_streams_uni
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5695 >= qc->streams.server_max_streams_uni)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5696 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5697 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5698 "quic too many server uni streams:%uL",
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5699 qc->streams.server_streams_uni);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5700 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5701 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5702
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5703 id = (qc->streams.server_streams_uni << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5704 \| NGX_QUIC_STREAM_SERVER_INITIATED
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5705 \| NGX_QUIC_STREAM_UNIDIRECTIONAL;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5706
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5707 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5708 "quic creating server uni stream"
eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5709 " streams:%uL max:%uL id:0x%xL",
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5710 qc->streams.server_streams_uni,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5711 qc->streams.server_max_streams_uni, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5712
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5713 qc->streams.server_streams_uni++;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5714 rcvbuf_size = 0;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5715 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5716
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5717 sn = ngx_quic_create_stream(qs->parent, id, rcvbuf_size);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5718 if (sn == NULL) {
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5719 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5720 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5721
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5722 return sn->c;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5723 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5724
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5725
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5726 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5727 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5728 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5729 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5730 ngx_rbtree_node_t **p;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5731 ngx_quic_stream_t qn, qnt;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5732
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5733 for ( ;; ) {
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5734 qn = (ngx_quic_stream_t *) node;
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5735 qnt = (ngx_quic_stream_t *) temp;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5736
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5737 p = (qn->id < qnt->id) ? &temp->left : &temp->right;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5738
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5739 if (*p == sentinel) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5740 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5741 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5742
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5743 temp = *p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5744 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5745
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5746 *p = node;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5747 node->parent = temp;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5748 node->left = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5749 node->right = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5750 ngx_rbt_red(node);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5751 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5752
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5753
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5754 static ngx_quic_stream_t *
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5755 ngx_quic_find_stream(ngx_rbtree_t *rbtree, uint64_t id)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5756 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5757 ngx_rbtree_node_t node, sentinel;
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5758 ngx_quic_stream_t *qn;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5759
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5760 node = rbtree->root;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5761 sentinel = rbtree->sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5762
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5763 while (node != sentinel) {
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5764 qn = (ngx_quic_stream_t *) node;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5765
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5766 if (id == qn->id) {
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5767 return qn;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5768 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5769
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5770 node = (id < qn->id) ? node->left : node->right;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5771 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5772
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5773 return NULL;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5774 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5775
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5776
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5777 static ngx_quic_stream_t *
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5778 ngx_quic_create_client_stream(ngx_connection_t *c, uint64_t id)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5779 {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5780 size_t n;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5781 uint64_t min_id;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5782 ngx_quic_stream_t *sn;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5783 ngx_quic_connection_t *qc;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5784
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5785 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5786 "quic stream id:0x%xL is new", id);
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5787
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5788 qc = ngx_quic_get_connection(c);
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5789
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	5790 if (qc->shutdown) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	5791 return NGX_QUIC_STREAM_GONE;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	5792 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	5793
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5794 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5795
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5796 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5797 if ((id >> 2) < qc->streams.server_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5798 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5799 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5800
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5801 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5802 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5803 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5804
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5805 if ((id >> 2) < qc->streams.client_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5806 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5807 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5808
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5809 if ((id >> 2) >= qc->streams.client_max_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5810 qc->error = NGX_QUIC_ERR_STREAM_LIMIT_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5811 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5812 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5813
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5814 min_id = (qc->streams.client_streams_uni << 2)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5815 \| NGX_QUIC_STREAM_UNIDIRECTIONAL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5816 qc->streams.client_streams_uni = (id >> 2) + 1;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5817 n = qc->tp.initial_max_stream_data_uni;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5818
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5819 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5820
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5821 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5822 if ((id >> 2) < qc->streams.server_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5823 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5824 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5825
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5826 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5827 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5828 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5829
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5830 if ((id >> 2) < qc->streams.client_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5831 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5832 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5833
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5834 if ((id >> 2) >= qc->streams.client_max_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5835 qc->error = NGX_QUIC_ERR_STREAM_LIMIT_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5836 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5837 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5838
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5839 min_id = (qc->streams.client_streams_bidi << 2);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5840 qc->streams.client_streams_bidi = (id >> 2) + 1;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5841 n = qc->tp.initial_max_stream_data_bidi_remote;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5842 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5843
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5844 if (n < NGX_QUIC_STREAM_BUFSIZE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5845 n = NGX_QUIC_STREAM_BUFSIZE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5846 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5847
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5848 /*
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5849 * 2.1. Stream Types and Identifiers
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5850 *
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5851 * Within each type, streams are created with numerically increasing
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5852 * stream IDs. A stream ID that is used out of order results in all
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5853 * streams of that type with lower-numbered stream IDs also being
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5854 * opened.
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5855 */
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5856
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5857 for ( /* void */ ; min_id < id; min_id += 0x04) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5858
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5859 sn = ngx_quic_create_stream(c, min_id, n);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5860 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5861 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5862 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5863
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5864 sn->c->listening->handler(sn->c);
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	5865
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	5866 if (qc->shutdown) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	5867 return NGX_QUIC_STREAM_GONE;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	5868 }
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5869 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5870
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5871 return ngx_quic_create_stream(c, id, n);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5872 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5873
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5874
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5875 static ngx_quic_stream_t *
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5876 ngx_quic_create_stream(ngx_connection_t *c, uint64_t id, size_t rcvbuf_size)
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5877 {
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5878 ngx_log_t *log;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5879 ngx_pool_t *pool;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5880 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5881 ngx_pool_cleanup_t *cln;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5882 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5883
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5884 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5885 "quic stream id:0x%xL create", id);
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5886
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5887 qc = ngx_quic_get_connection(c);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5888
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5889 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5890 if (pool == NULL) {
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5891 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5892 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5893
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5894 sn = ngx_pcalloc(pool, sizeof(ngx_quic_stream_t));
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5895 if (sn == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5896 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5897 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5898 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5899
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5900 sn->node.key = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5901 sn->parent = c;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5902 sn->id = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5903
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5904 sn->b = ngx_create_temp_buf(pool, rcvbuf_size);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5905 if (sn->b == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5906 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5907 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5908 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5909
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5910 ngx_queue_init(&sn->fs.frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5911
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5912 log = ngx_palloc(pool, sizeof(ngx_log_t));
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5913 if (log == NULL) {
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5914 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5915 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5916 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5917
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5918 log = c->log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5919 pool->log = log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5920
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5921 sn->c = ngx_get_connection(-1, log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5922 if (sn->c == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5923 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5924 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5925 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5926
8630 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8629 diff changeset	5927 sn->c->quic = sn;
8482 893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	5928 sn->c->type = SOCK_STREAM;
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5929 sn->c->pool = pool;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5930 sn->c->ssl = c->ssl;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5931 sn->c->sockaddr = c->sockaddr;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5932 sn->c->listening = c->listening;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5933 sn->c->addr_text = c->addr_text;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5934 sn->c->local_sockaddr = c->local_sockaddr;
8579 d57cfdebe301 QUIC: set local_socklen in stream connections. Roman Arutyunyan <arut@nginx.com> parents: 8578 diff changeset	5935 sn->c->local_socklen = c->local_socklen;
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5936 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5937
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5938 sn->c->recv = ngx_quic_stream_recv;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5939 sn->c->send = ngx_quic_stream_send;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5940 sn->c->send_chain = ngx_quic_stream_send_chain;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5941
8479 b250b515e5b6 QUIC: fixed stream read event log. Roman Arutyunyan <arut@nginx.com> parents: 8478 diff changeset	5942 sn->c->read->log = log;
b250b515e5b6 QUIC: fixed stream read event log. Roman Arutyunyan <arut@nginx.com> parents: 8478 diff changeset	5943 sn->c->write->log = log;
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5944
8362 44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 8361 diff changeset	5945 log->connection = sn->c->number;
44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 8361 diff changeset	5946
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5947 if ((id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5948 \|\| (id & NGX_QUIC_STREAM_SERVER_INITIATED))
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5949 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5950 sn->c->write->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5951 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5952
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5953 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5954 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5955 sn->send_max_data = qc->ctp.initial_max_stream_data_uni;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5956 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5957
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5958 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5959 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5960 sn->send_max_data = qc->ctp.initial_max_stream_data_bidi_remote;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5961 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5962 sn->send_max_data = qc->ctp.initial_max_stream_data_bidi_local;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5963 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5964 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5965
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5966 cln = ngx_pool_cleanup_add(pool, 0);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5967 if (cln == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5968 ngx_close_connection(sn->c);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5969 ngx_destroy_pool(pool);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5970 return NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5971 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5972
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5973 cln->handler = ngx_quic_stream_cleanup_handler;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5974 cln->data = sn->c;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5975
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5976 ngx_rbtree_insert(&qc->streams.tree, &sn->node);
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5977
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5978 return sn;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5979 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5980
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5981
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5982 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5983 ngx_quic_stream_recv(ngx_connection_t c, u_char buf, size_t size)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5984 {
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5985 ssize_t len;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5986 ngx_buf_t *b;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5987 ngx_event_t *rev;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5988 ngx_connection_t *pc;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5989 ngx_quic_frame_t *frame;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5990 ngx_quic_stream_t *qs;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5991 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5992
8630 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8629 diff changeset	5993 qs = c->quic;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5994 b = qs->b;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5995 pc = qs->parent;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5996 qc = ngx_quic_get_connection(pc);
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	5997 rev = c->read;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5998
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	5999 if (rev->error) {
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	6000 return NGX_ERROR;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	6001 }
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	6002
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6003 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	6004 "quic stream recv id:0x%xL eof:%d avail:%z",
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6005 qs->id, rev->pending_eof, b->last - b->pos);
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	6006
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	6007 if (b->pos == b->last) {
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	6008 rev->ready = 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	6009
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	6010 if (rev->pending_eof) {
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	6011 rev->eof = 1;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	6012 return 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	6013 }
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	6014
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6015 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	6016 "quic stream id:0x%xL recv() not ready", qs->id);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	6017 return NGX_AGAIN;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6018 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6019
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6020 len = ngx_min(b->last - b->pos, (ssize_t) size);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6021
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6022 ngx_memcpy(buf, b->pos, len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6023
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6024 b->pos += len;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	6025 qc->streams.received += len;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6026
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	6027 if (b->pos == b->last) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	6028 b->pos = b->start;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	6029 b->last = b->start;
8294 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	6030 rev->ready = rev->pending_eof;
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	6031 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	6032
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6033 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	6034 "quic stream id:0x%xL recv len:%z of size:%uz",
eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	6035 qs->id, len, size);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6036
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6037 if (!rev->pending_eof) {
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6038 frame = ngx_quic_alloc_frame(pc);
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6039 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6040 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6041 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6042
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6043 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6044 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6045 frame->u.max_stream_data.id = qs->id;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6046 frame->u.max_stream_data.limit = qs->fs.received + (b->pos - b->start)
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6047 + (b->end - b->last);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6048
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6049 ngx_quic_queue_frame(qc, frame);
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6050 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6051
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	6052 if ((qc->streams.recv_max_data / 2) < qc->streams.received) {
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6053
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6054 frame = ngx_quic_alloc_frame(pc);
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6055
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6056 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6057 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6058 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6059
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	6060 qc->streams.recv_max_data *= 2;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6061
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6062 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6063 frame->type = NGX_QUIC_FT_MAX_DATA;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	6064 frame->u.max_data.max_data = qc->streams.recv_max_data;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6065
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6066 ngx_quic_queue_frame(qc, frame);
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6067
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6068 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	6069 "quic stream id:0x%xL recv: increased max_data:%uL",
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	6070 qs->id, qc->streams.recv_max_data);
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6071 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	6072
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6073 return len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6074 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6075
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6076
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6077 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6078 ngx_quic_stream_send(ngx_connection_t c, u_char buf, size_t size)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6079 {
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6080 ngx_buf_t b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6081 ngx_chain_t cl;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6082
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6083 ngx_memzero(&b, sizeof(ngx_buf_t));
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6084
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6085 b.memory = 1;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6086 b.pos = buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6087 b.last = buf + size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6088
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6089 cl.buf = &b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6090 cl.next = NULL;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6091
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6092 if (ngx_quic_stream_send_chain(c, &cl, 0) == NGX_CHAIN_ERROR) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6093 return NGX_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6094 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6095
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6096 if (b.pos == buf) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6097 return NGX_AGAIN;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6098 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6099
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6100 return b.pos - buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6101 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6102
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6103
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6104 static ngx_chain_t *
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6105 ngx_quic_stream_send_chain(ngx_connection_t c, ngx_chain_t in, off_t limit)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6106 {
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6107 size_t n, flow;
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	6108 ngx_event_t *wev;
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6109 ngx_chain_t *cl;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	6110 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	6111 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	6112 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	6113 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6114
8630 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8629 diff changeset	6115 qs = c->quic;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6116 pc = qs->parent;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6117 qc = ngx_quic_get_connection(pc);
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	6118 wev = c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	6119
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	6120 if (wev->error) {
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6121 return NGX_CHAIN_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6122 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6123
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6124 flow = ngx_quic_max_stream_flow(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6125 if (flow == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6126 wev->ready = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6127 return in;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6128 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6129
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6130 n = (limit && (size_t) limit < flow) ? (size_t) limit : flow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6131
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6132 frame = ngx_quic_alloc_frame(pc);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6133 if (frame == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6134 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6135 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6136
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6137 frame->data = ngx_quic_copy_chain(pc, in, n);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6138 if (frame->data == NGX_CHAIN_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6139 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6140 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6141
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6142 for (n = 0, cl = frame->data; cl; cl = cl->next) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6143 n += ngx_buf_size(cl->buf);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6144 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6145
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6146 while (in && ngx_buf_size(in->buf) == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6147 in = in->next;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6148 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6149
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6150 frame->level = ssl_encryption_application;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6151 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6152 frame->u.stream.off = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6153 frame->u.stream.len = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6154 frame->u.stream.fin = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6155
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6156 frame->u.stream.type = frame->type;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6157 frame->u.stream.stream_id = qs->id;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6158 frame->u.stream.offset = c->sent;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6159 frame->u.stream.length = n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6160
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6161 c->sent += n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6162 qc->streams.sent += n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6163
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6164 ngx_quic_queue_frame(qc, frame);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6165
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6166 wev->ready = (n < flow) ? 1 : 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6167
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6168 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6169 "quic send_chain sent:%uz", n);
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6170
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6171 return in;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6172 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6173
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6174
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6175 static size_t
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6176 ngx_quic_max_stream_flow(ngx_connection_t *c)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6177 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6178 size_t size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6179 uint64_t sent, unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6180 ngx_quic_stream_t *qs;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6181 ngx_quic_connection_t *qc;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6182
8630 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8629 diff changeset	6183 qs = c->quic;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6184 qc = ngx_quic_get_connection(qs->parent);
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6185
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6186 size = NGX_QUIC_STREAM_BUFSIZE;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6187 sent = c->sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6188 unacked = sent - qs->acked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6189
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6190 if (qc->streams.send_max_data == 0) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6191 qc->streams.send_max_data = qc->ctp.initial_max_data;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6192 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6193
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6194 if (unacked >= NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6195 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6196 "quic send flow hit buffer size");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6197 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6198 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6199
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6200 if (unacked + size > NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6201 size = NGX_QUIC_STREAM_BUFSIZE - unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6202 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6203
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6204 if (qc->streams.sent >= qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6205 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6206 "quic send flow hit MAX_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6207 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6208 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6209
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6210 if (qc->streams.sent + size > qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6211 size = qc->streams.send_max_data - qc->streams.sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6212 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6213
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6214 if (sent >= qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6215 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6216 "quic send flow hit MAX_STREAM_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6217 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6218 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6219
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6220 if (sent + size > qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6221 size = qs->send_max_data - sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6222 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6223
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6224 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	6225 "quic send flow:%uz", size);
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6226
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	6227 return size;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6228 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6229
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	6230
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6231 static void
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6232 ngx_quic_stream_cleanup_handler(void *data)
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6233 {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6234 ngx_connection_t *c = data;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6235
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	6236 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	6237 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	6238 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	6239 ngx_quic_connection_t *qc;
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6240
8630 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8629 diff changeset	6241 qs = c->quic;
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6242 pc = qs->parent;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6243 qc = ngx_quic_get_connection(pc);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6244
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6245 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	6246 "quic stream id:0x%xL cleanup", qs->id);
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	6247
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	6248 ngx_rbtree_delete(&qc->streams.tree, &qs->node);
8348 d42b50d239f4 Fixed memory leak with reordered stream frames. Vladimir Homutov <vl@nginx.com> parents: 8346 diff changeset	6249 ngx_quic_free_frames(pc, &qs->fs.frames);
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	6250
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	6251 if (qc->closing) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	6252 /* schedule handler call to continue ngx_quic_close_connection() */
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	6253 ngx_post_event(pc->read, &ngx_posted_events);
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	6254 return;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	6255 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	6256
8528 97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6257 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6258 \|\| (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0)
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6259 {
8539 62db595a86b5 QUIC: do not send STOP_SENDING after STREAM fin. Roman Arutyunyan <arut@nginx.com> parents: 8538 diff changeset	6260 if (!c->read->pending_eof && !c->read->error) {
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6261 frame = ngx_quic_alloc_frame(pc);
8528 97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6262 if (frame == NULL) {
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6263 goto done;
8528 97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6264 }
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6265
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6266 frame->level = ssl_encryption_application;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6267 frame->type = NGX_QUIC_FT_STOP_SENDING;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6268 frame->u.stop_sending.id = qs->id;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6269 frame->u.stop_sending.error_code = 0x100; /* HTTP/3 no error */
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6270
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6271 ngx_quic_queue_frame(qc, frame);
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6272 }
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6273 }
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	6274
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6275 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0) {
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6276 frame = ngx_quic_alloc_frame(pc);
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6277 if (frame == NULL) {
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6278 goto done;
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6279 }
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6280
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6281 frame->level = ssl_encryption_application;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6282 frame->type = NGX_QUIC_FT_MAX_STREAMS;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6283
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6284 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6285 frame->u.max_streams.limit = ++qc->streams.client_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6286 frame->u.max_streams.bidi = 0;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6287
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6288 } else {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6289 frame->u.max_streams.limit = ++qc->streams.client_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6290 frame->u.max_streams.bidi = 1;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6291 }
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6292
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6293 ngx_quic_queue_frame(qc, frame);
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6294
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6295 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6296 /* do not send fin for client unidirectional streams */
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6297 goto done;
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	6298 }
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6299 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6300
8703 d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	6301 if (c->write->error) {
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6302 goto done;
8703 d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	6303 }
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	6304
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6305 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	6306 "quic stream id:0x%xL send fin", qs->id);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6307
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6308 frame = ngx_quic_alloc_frame(pc);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6309 if (frame == NULL) {
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6310 goto done;
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6311 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6312
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6313 frame->level = ssl_encryption_application;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6314 frame->type = NGX_QUIC_FT_STREAM7; /* OFF=1 LEN=1 FIN=1 */
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6315 frame->u.stream.off = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6316 frame->u.stream.len = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6317 frame->u.stream.fin = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6318
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6319 frame->u.stream.type = frame->type;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6320 frame->u.stream.stream_id = qs->id;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6321 frame->u.stream.offset = c->sent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6322 frame->u.stream.length = 0;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6323
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6324 ngx_quic_queue_frame(qc, frame);
8293 1ec905f4d851 Push QUIC stream frames in send() and cleanup handler. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	6325
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6326 done:
8703 d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8702 diff changeset	6327
8293 1ec905f4d851 Push QUIC stream frames in send() and cleanup handler. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	6328 (void) ngx_quic_output(pc);
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6329
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6330 if (qc->shutdown) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6331 ngx_quic_shutdown_quic(pc);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6332 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6333 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6334
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6335
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6336 static void
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6337 ngx_quic_shutdown_quic(ngx_connection_t *c)
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6338 {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6339 ngx_rbtree_t *tree;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6340 ngx_rbtree_node_t *node;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6341 ngx_quic_stream_t *qs;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6342 ngx_quic_connection_t *qc;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6343
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6344 qc = ngx_quic_get_connection(c);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6345
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6346 if (qc->closing) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6347 return;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6348 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6349
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6350 tree = &qc->streams.tree;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6351
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6352 if (tree->root != tree->sentinel) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6353 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6354 node;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6355 node = ngx_rbtree_next(tree, node))
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6356 {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6357 qs = (ngx_quic_stream_t *) node;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6358
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6359 if (!qs->cancelable) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6360 return;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6361 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6362 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6363 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6364
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	6365 ngx_quic_finalize_connection(c, qc->shutdown_code, qc->shutdown_reason);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6366 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6367
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	6368
8736 714e9af983de QUIC: separate header for ngx_quic_connection_t. Vladimir Homutov <vl@nginx.com> parents: 8735 diff changeset	6369 ngx_quic_frame_t *
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6370 ngx_quic_alloc_frame(ngx_connection_t *c)
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6371 {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	6372 ngx_queue_t *q;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6373 ngx_quic_frame_t *frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6374 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6375
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6376 qc = ngx_quic_get_connection(c);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	6377
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	6378 if (!ngx_queue_empty(&qc->free_frames)) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	6379
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	6380 q = ngx_queue_head(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	6381 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	6382
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	6383 ngx_queue_remove(&frame->queue);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6384
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6385 #ifdef NGX_QUIC_DEBUG_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6386 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6387 "quic reuse frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6388 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6389
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6390 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6391 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6392 if (frame == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6393 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6394 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6395
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6396 #ifdef NGX_QUIC_DEBUG_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6397 ++qc->nframes;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6398
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6399 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6400 "quic alloc frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6401 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6402 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6403
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6404 ngx_memzero(frame, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6405
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6406 return frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6407 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6408
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6409
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6410 static void
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6411 ngx_quic_congestion_ack(ngx_connection_t c, ngx_quic_frame_t f)
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6412 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6413 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6414 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6415 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6416
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6417 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6418 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6419 }
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6420
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6421 qc = ngx_quic_get_connection(c);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6422 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6423
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6424 cg->in_flight -= f->plen;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6425
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6426 timer = f->last - cg->recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6427
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6428 if ((ngx_msec_int_t) timer <= 0) {
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6429 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	6430 "quic congestion ack recovery win:%uz ss:%z if:%uz",
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6431 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6432
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6433 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6434 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6435
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6436 if (cg->window < cg->ssthresh) {
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6437 cg->window += f->plen;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6438
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6439 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	6440 "quic congestion slow start win:%uz ss:%z if:%uz",
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6441 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6442
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6443 } else {
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6444 cg->window += qc->tp.max_udp_payload_size * f->plen / cg->window;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6445
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6446 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	6447 "quic congestion avoidance win:%uz ss:%z if:%uz",
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6448 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6449 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6450
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6451 /* prevent recovery_start from wrapping */
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6452
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6453 timer = cg->recovery_start - ngx_current_msec + qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6454
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6455 if ((ngx_msec_int_t) timer < 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6456 cg->recovery_start = ngx_current_msec - qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6457 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6458 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6459
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6460
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6461 static void
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6462 ngx_quic_congestion_lost(ngx_connection_t c, ngx_quic_frame_t f)
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6463 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6464 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6465 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6466 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6467
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6468 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6469 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6470 }
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6471
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6472 qc = ngx_quic_get_connection(c);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6473 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6474
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6475 cg->in_flight -= f->plen;
8612 b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	6476 f->plen = 0;
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6477
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6478 timer = f->last - cg->recovery_start;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6479
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6480 if ((ngx_msec_int_t) timer <= 0) {
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6481 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	6482 "quic congestion lost recovery win:%uz ss:%z if:%uz",
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6483 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6484
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6485 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6486 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6487
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6488 cg->recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6489 cg->window /= 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6490
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	6491 if (cg->window < qc->tp.max_udp_payload_size * 2) {
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	6492 cg->window = qc->tp.max_udp_payload_size * 2;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6493 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6494
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6495 cg->ssthresh = cg->window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6496
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6497 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	6498 "quic congestion lost win:%uz ss:%z if:%uz",
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6499 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6500 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6501
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6502
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6503 static void
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6504 ngx_quic_free_frame(ngx_connection_t c, ngx_quic_frame_t frame)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6505 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6506 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6507
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6508 qc = ngx_quic_get_connection(c);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6509
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6510 if (frame->data) {
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6511 ngx_quic_free_bufs(c, frame->data);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6512 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6513
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	6514 ngx_queue_insert_head(&qc->free_frames, &frame->queue);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6515
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6516 #ifdef NGX_QUIC_DEBUG_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6517 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6518 "quic free frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6519 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6520 }
8626 e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6521
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6522
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6523 uint32_t
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6524 ngx_quic_version(ngx_connection_t *c)
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6525 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6526 uint32_t version;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6527 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6528
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6529 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6530
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6531 version = qc->version;
8626 e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6532
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6533 return (version & 0xff000000) == 0xff000000 ? version & 0xff : version;
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6534 }
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6535
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6536
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6537 static ngx_chain_t *
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6538 ngx_quic_alloc_buf(ngx_connection_t *c)
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6539 {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6540 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6541 ngx_chain_t *cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6542 ngx_quic_connection_t *qc;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6543
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6544 qc = ngx_quic_get_connection(c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6545
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6546 if (qc->free_bufs) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6547 cl = qc->free_bufs;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6548 qc->free_bufs = cl->next;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6549
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6550 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6551 b->pos = b->start;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6552 b->last = b->start;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6553
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6554 #ifdef NGX_QUIC_DEBUG_ALLOC
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6555 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6556 "quic reuse buffer n:%ui", qc->nbufs);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6557 #endif
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6558
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6559 return cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6560 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6561
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6562 cl = ngx_alloc_chain_link(c->pool);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6563 if (cl == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6564 return NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6565 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6566
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6567 b = ngx_create_temp_buf(c->pool, NGX_QUIC_BUFFER_SIZE);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6568 if (b == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6569 return NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6570 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6571
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6572 b->tag = (ngx_buf_tag_t) &ngx_quic_alloc_buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6573
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6574 cl->buf = b;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6575
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6576 #ifdef NGX_QUIC_DEBUG_ALLOC
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6577 ++qc->nbufs;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6578
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6579 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6580 "quic alloc buffer n:%ui", qc->nbufs);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6581 #endif
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6582
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6583 return cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6584 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6585
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6586
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6587 static void
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6588 ngx_quic_free_bufs(ngx_connection_t c, ngx_chain_t in)
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6589 {
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6590 ngx_buf_t b, shadow;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6591 ngx_chain_t *cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6592 ngx_quic_connection_t *qc;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6593
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6594 qc = ngx_quic_get_connection(c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6595
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6596 while (in) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6597 #ifdef NGX_QUIC_DEBUG_ALLOC
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6598 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6599 "quic free buffer n:%ui", qc->nbufs);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6600 #endif
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6601
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6602 cl = in;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6603 in = in->next;
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6604 b = cl->buf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6605
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6606 if (b->shadow) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6607 if (!b->last_shadow) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6608 b->recycled = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6609 ngx_free_chain(c->pool, cl);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6610 continue;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6611 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6612
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6613 do {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6614 shadow = b->shadow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6615 b->shadow = qc->free_shadow_bufs;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6616 qc->free_shadow_bufs = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6617 b = shadow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6618 } while (b->recycled);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6619
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6620 if (b->shadow) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6621 b->last_shadow = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6622 ngx_free_chain(c->pool, cl);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6623 continue;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6624 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6625
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6626 cl->buf = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6627 }
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6628
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6629 cl->next = qc->free_bufs;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6630 qc->free_bufs = cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6631 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6632 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6633
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6634
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6635 static ngx_chain_t *
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6636 ngx_quic_copy_buf(ngx_connection_t c, u_char data, size_t len)
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6637 {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6638 size_t n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6639 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6640 ngx_chain_t cl, out, **ll;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6641
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6642 out = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6643 ll = &out;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6644
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6645 while (len) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6646 cl = ngx_quic_alloc_buf(c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6647 if (cl == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6648 return NGX_CHAIN_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6649 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6650
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6651 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6652 n = ngx_min((size_t) (b->end - b->last), len);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6653
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6654 b->last = ngx_cpymem(b->last, data, n);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6655
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6656 data += n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6657 len -= n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6658
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6659 *ll = cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6660 ll = &cl->next;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6661 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6662
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6663 *ll = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6664
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6665 return out;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6666 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6667
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6668
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6669 static ngx_chain_t *
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6670 ngx_quic_copy_chain(ngx_connection_t c, ngx_chain_t in, size_t limit)
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6671 {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6672 size_t n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6673 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6674 ngx_chain_t cl, out, **ll;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6675
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6676 out = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6677 ll = &out;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6678
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6679 while (in) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6680 if (!ngx_buf_in_memory(in->buf) \|\| ngx_buf_size(in->buf) == 0) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6681 in = in->next;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6682 continue;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6683 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6684
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6685 cl = ngx_quic_alloc_buf(c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6686 if (cl == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6687 return NGX_CHAIN_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6688 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6689
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6690 *ll = cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6691 ll = &cl->next;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6692
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6693 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6694
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6695 while (in && b->last != b->end) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6696
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6697 n = ngx_min(in->buf->last - in->buf->pos, b->end - b->last);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6698
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6699 if (limit > 0 && n > limit) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6700 n = limit;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6701 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6702
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6703 b->last = ngx_cpymem(b->last, in->buf->pos, n);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6704
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6705 in->buf->pos += n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6706 if (in->buf->pos == in->buf->last) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6707 in = in->next;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6708 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6709
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6710 if (limit > 0) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6711 if (limit == n) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6712 goto done;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6713 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6714
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6715 limit -= n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6716 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6717 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6718
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6719 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6720
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6721 done:
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6722
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6723 *ll = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6724
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6725 return out;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	6726 }
8658 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6727
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6728
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6729 static ngx_chain_t *
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6730 ngx_quic_split_bufs(ngx_connection_t c, ngx_chain_t in, size_t len)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6731 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6732 size_t n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6733 ngx_buf_t *b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6734 ngx_chain_t *out;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6735 ngx_quic_connection_t *qc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6736
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6737 qc = ngx_quic_get_connection(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6738
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6739 while (in) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6740 n = ngx_buf_size(in->buf);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6741
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6742 if (n == len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6743 out = in->next;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6744 in->next = NULL;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6745 return out;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6746 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6747
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6748 if (n > len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6749 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6750 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6751
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6752 len -= n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6753 in = in->next;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6754 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6755
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6756 if (in == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6757 return NULL;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6758 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6759
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6760 /* split in->buf by creating shadow bufs which reference it */
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6761
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6762 if (in->buf->shadow == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6763 if (qc->free_shadow_bufs) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6764 b = qc->free_shadow_bufs;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6765 qc->free_shadow_bufs = b->shadow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6766
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6767 } else {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6768 b = ngx_alloc_buf(c->pool);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6769 if (b == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6770 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6771 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6772 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6773
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6774 b = in->buf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6775 b->shadow = in->buf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6776 b->last_shadow = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6777 in->buf = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6778 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6779
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6780 out = ngx_alloc_chain_link(c->pool);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6781 if (out == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6782 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6783 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6784
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6785 if (qc->free_shadow_bufs) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6786 b = qc->free_shadow_bufs;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6787 qc->free_shadow_bufs = b->shadow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6788
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6789 } else {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6790 b = ngx_alloc_buf(c->pool);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6791 if (b == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6792 ngx_free_chain(c->pool, out);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6793 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6794 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6795 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6796
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6797 out->buf = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6798 out->next = in->next;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6799 in->next = NULL;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6800
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6801 b = in->buf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6802 b->last_shadow = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6803 b->pos = b->pos + len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6804
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6805 in->buf->shadow = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6806 in->buf->last = in->buf->pos + len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6807
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6808 return out;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8657 diff changeset	6809 }

Mercurial > hg > nginx

annotate src/event/quic/ngx_event_quic.c @ 8746:0c628de2e2b7 quic