nginx-quic: src/event/quic/ngx_event

annotate src/event/quic/ngx_event_quic.c @ 8407:c8bda5e1e662 quic

QUIC: headers cleanup. The "ngx_event_quic.h" header file now contains only public definitions, used by modules. All internal definitions are moved into the "ngx_event_quic_connection.h" header file.

author	Vladimir Homutov <vl@nginx.com>
date	Wed, 14 Apr 2021 14:47:37 +0300
parents	0c628de2e2b7
children	e0cb1e58ca13

rev	line source
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	2 /*
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	3 * Copyright (C) Nginx, Inc.
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	4 */
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	5
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	6
7637 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>
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	9 #include <ngx_event.h>
8407 c8bda5e1e662 QUIC: headers cleanup. Vladimir Homutov <vl@nginx.com> parents: 8406 diff changeset	10 #include <ngx_sha1.h>
8386 714e9af983de QUIC: separate header for ngx_quic_connection_t. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	11 #include <ngx_event_quic_connection.h>
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	12
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	13
8290 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	14 #define ngx_quic_lost_threshold(qc) \
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	15 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: 8289 diff changeset	16 NGX_QUIC_TIME_GRANULARITY)
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	17
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	18 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	19 * 7.4. Cryptographic Message Buffering
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	20 * Implementations MUST support buffering at least 4096 bytes of data
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	21 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	22 #define NGX_QUIC_MAX_BUFFERED 65535
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	23
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	24 #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: 8021 diff changeset	25
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	26 #define NGX_QUIC_UNSET_PN (uint64_t) -1
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	27
8100 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	28 /*
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	29 * Endpoints MUST discard packets that are too small to be valid QUIC
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	30 * packets. With the set of AEAD functions defined in [QUIC-TLS],
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	31 * packets that are smaller than 21 bytes are never valid.
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	32 */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	33 #define NGX_QUIC_MIN_PKT_LEN 21
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	34
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	35 #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: 8099 diff changeset	36 #define NGX_QUIC_MAX_SR_PACKET 1200
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	37
8162 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	38 #define NGX_QUIC_MAX_ACK_GAP 2
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	39
7773 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	40
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	41 typedef ngx_int_t (ngx_quic_frame_handler_pt)(ngx_connection_t c,
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	42 ngx_quic_frame_t frame, void data);
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	43
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	44
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	45 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	46 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: 7669 diff changeset	47 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: 7669 diff changeset	48 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	49 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: 7669 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: 7669 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: 7669 diff changeset	52 #else
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	53 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: 7646 diff changeset	54 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: 7646 diff changeset	55 const uint8_t *write_secret, size_t secret_len);
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	56 #endif
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	57
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	58 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: 7646 diff changeset	59 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: 7646 diff changeset	60 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: 7646 diff changeset	61 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: 7646 diff changeset	62 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: 7646 diff changeset	63
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	64
8294 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	65 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: 8291 diff changeset	66 ngx_quic_tp_t *ctp);
8099 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	67 static ngx_quic_connection_t ngx_quic_new_connection(ngx_connection_t c,
8101 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8100 diff changeset	68 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
8406 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	69 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: 8405 diff changeset	70 ngx_quic_connection_t qc, ngx_quic_header_t pkt);
8100 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	71 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: 8099 diff changeset	72 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
8287 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	73 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: 8286 diff changeset	74 u_char secret, u_char token);
8100 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	75 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: 8099 diff changeset	76 ngx_quic_header_t *pkt);
8060 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	77 static ngx_int_t ngx_quic_negotiate_version(ngx_connection_t *c,
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	78 ngx_quic_header_t *inpkt);
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	79 static ngx_int_t ngx_quic_create_server_id(ngx_connection_t c, u_char id);
8269 7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	80 #if (NGX_QUIC_BPF)
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	81 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: 8267 diff changeset	82 #endif
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	83 static ngx_int_t ngx_quic_send_retry(ngx_connection_t *c,
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	84 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	85 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: 8269 diff changeset	86 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: 8269 diff changeset	87 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: 8269 diff changeset	88 u_char buf[20]);
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	89 static ngx_int_t ngx_quic_validate_token(ngx_connection_t *c,
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	90 u_char key, ngx_quic_header_t pkt);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	91 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c);
7931 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	92 static ngx_inline size_t ngx_quic_max_udp_payload(ngx_connection_t *c);
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	93 static void ngx_quic_input_handler(ngx_event_t *rev);
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	94
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	95 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: 7831 diff changeset	96 static void ngx_quic_close_timer_handler(ngx_event_t *ev);
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	97 static ngx_int_t ngx_quic_close_streams(ngx_connection_t *c,
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	98 ngx_quic_connection_t *qc);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	99
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	100 static ngx_int_t ngx_quic_input(ngx_connection_t c, ngx_buf_t b,
8101 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8100 diff changeset	101 ngx_quic_conf_t *conf);
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8100 diff changeset	102 static ngx_int_t ngx_quic_process_packet(ngx_connection_t *c,
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	103 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	104 static ngx_int_t ngx_quic_process_payload(ngx_connection_t *c,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	105 ngx_quic_header_t *pkt);
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	106 static ngx_int_t ngx_quic_send_early_cc(ngx_connection_t *c,
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	107 ngx_quic_header_t inpkt, ngx_uint_t err, const char reason);
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	108 static void ngx_quic_discard_ctx(ngx_connection_t *c,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	109 enum ssl_encryption_level_t level);
8281 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	110 static ngx_int_t ngx_quic_check_csid(ngx_quic_connection_t *qc,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	111 ngx_quic_header_t *pkt);
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	112 static ngx_int_t ngx_quic_handle_frames(ngx_connection_t *c,
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	113 ngx_quic_header_t *pkt);
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	114 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: 8154 diff changeset	115 ngx_quic_header_t *pkt);
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	116 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: 8154 diff changeset	117 ngx_quic_send_ctx_t *ctx, uint64_t smallest, uint64_t largest);
8156 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	118 static void ngx_quic_drop_ack_ranges(ngx_connection_t *c,
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	119 ngx_quic_send_ctx_t *ctx, uint64_t pn);
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	120 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: 8154 diff changeset	121 ngx_quic_send_ctx_t *ctx);
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	122 static ngx_int_t ngx_quic_send_cc(ngx_connection_t *c);
7861 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	123 static ngx_int_t ngx_quic_send_new_token(ngx_connection_t *c);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	124
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	125 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c,
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	126 ngx_quic_header_t pkt, ngx_quic_frame_t f);
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	127 static ngx_int_t ngx_quic_handle_ack_frame_range(ngx_connection_t *c,
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	128 ngx_quic_send_ctx_t *ctx, uint64_t min, uint64_t max,
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	129 ngx_msec_t *send_time);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	130 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: 7953 diff changeset	131 enum ssl_encryption_level_t level, ngx_msec_t send_time);
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	132 static void ngx_quic_handle_stream_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	133 ngx_quic_frame_t *f);
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	134
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	135 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: 7811 diff changeset	136 ngx_quic_frames_stream_t fs, ngx_quic_frame_t frame,
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	137 ngx_quic_frame_handler_pt handler, void *data);
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	138 static ngx_int_t ngx_quic_adjust_frame_offset(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	139 ngx_quic_frame_t *f, uint64_t offset_in);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	140 static ngx_int_t ngx_quic_buffer_frame(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	141 ngx_quic_frames_stream_t stream, ngx_quic_frame_t f);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	142
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	143 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: 7811 diff changeset	144 ngx_quic_header_t pkt, ngx_quic_frame_t frame);
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	145 static ngx_int_t ngx_quic_crypto_input(ngx_connection_t *c,
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	146 ngx_quic_frame_t frame, void data);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	147 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c,
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	148 ngx_quic_header_t pkt, ngx_quic_frame_t frame);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	149 static ngx_int_t ngx_quic_stream_input(ngx_connection_t *c,
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	150 ngx_quic_frame_t frame, void data);
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	151
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	152 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: 7841 diff changeset	153 ngx_quic_max_data_frame_t *f);
7711 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	154 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: 7707 diff changeset	155 ngx_quic_header_t pkt, ngx_quic_streams_blocked_frame_t f);
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	156 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: 7731 diff changeset	157 ngx_quic_header_t pkt, ngx_quic_stream_data_blocked_frame_t f);
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	158 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: 7841 diff changeset	159 ngx_quic_header_t pkt, ngx_quic_max_stream_data_frame_t f);
7923 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	160 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: 7922 diff changeset	161 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: 7922 diff changeset	162 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: 7922 diff changeset	163 ngx_quic_header_t pkt, ngx_quic_stop_sending_frame_t f);
8013 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	164 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: 8004 diff changeset	165 ngx_quic_header_t pkt, ngx_quic_max_streams_frame_t f);
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	166 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: 8074 diff changeset	167 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: 8074 diff changeset	168 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: 8074 diff changeset	169 enum ssl_encryption_level_t level, uint64_t seqnum);
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	170 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: 8197 diff changeset	171 ngx_quic_header_t pkt, ngx_quic_retire_cid_frame_t f);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	172 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: 8197 diff changeset	173 static void ngx_quic_clear_temp_server_ids(ngx_connection_t *c);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	174 static ngx_quic_server_id_t ngx_quic_insert_server_id(ngx_connection_t c,
8385 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	175 ngx_quic_connection_t qc, ngx_str_t id);
8197 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8196 diff changeset	176 static ngx_quic_client_id_t ngx_quic_alloc_client_id(ngx_connection_t c,
8099 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	177 ngx_quic_connection_t *qc);
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	178 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: 8197 diff changeset	179 ngx_quic_connection_t *qc);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	180
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	181 static ngx_int_t ngx_quic_output(ngx_connection_t *c);
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	182 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: 8241 diff changeset	183 static ngx_int_t ngx_quic_generate_ack(ngx_connection_t *c,
7809 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 7808 diff changeset	184 ngx_quic_send_ctx_t *ctx);
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	185 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: 8241 diff changeset	186 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: 8241 diff changeset	187 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: 8241 diff changeset	188 size_t len);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	189 static void ngx_quic_free_frames(ngx_connection_t c, ngx_queue_t frames);
8240 43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	190 static ssize_t ngx_quic_send(ngx_connection_t c, u_char buf, size_t len);
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	191
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	192 static void ngx_quic_set_packet_number(ngx_quic_header_t *pkt,
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	193 ngx_quic_send_ctx_t *ctx);
7990 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 7989 diff changeset	194 static void ngx_quic_pto_handler(ngx_event_t *ev);
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	195 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: 8050 diff changeset	196 static ngx_int_t ngx_quic_detect_lost(ngx_connection_t *c);
8290 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	197 static void ngx_quic_set_lost_timer(ngx_connection_t *c);
8094 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	198 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: 8091 diff changeset	199 ngx_quic_send_ctx_t *ctx);
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	200 static void ngx_quic_push_handler(ngx_event_t *ev);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	201
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	202 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	203 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel);
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	204 static ngx_quic_stream_t ngx_quic_find_stream(ngx_rbtree_t rbtree,
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	205 uint64_t id);
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	206 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: 8021 diff changeset	207 uint64_t id);
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	208 static ngx_quic_stream_t ngx_quic_create_stream(ngx_connection_t c,
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	209 uint64_t id, size_t rcvbuf_size);
7677 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	210 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: 7675 diff changeset	211 size_t size);
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	212 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: 7675 diff changeset	213 size_t size);
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	214 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: 7675 diff changeset	215 ngx_chain_t *in, off_t limit);
8027 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	216 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: 8026 diff changeset	217 static void ngx_quic_stream_cleanup_handler(void *data);
8359 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	218 static void ngx_quic_shutdown_quic(ngx_connection_t *c);
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	219 static void ngx_quic_free_frame(ngx_connection_t c, ngx_quic_frame_t frame);
7677 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	220
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	221 static void ngx_quic_congestion_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	222 ngx_quic_frame_t *frame);
8026 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	223 static void ngx_quic_congestion_lost(ngx_connection_t *c,
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	224 ngx_quic_frame_t *frame);
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	225
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	226 static ngx_chain_t ngx_quic_alloc_buf(ngx_connection_t c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	227 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: 8240 diff changeset	228 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: 8240 diff changeset	229 size_t len);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	230 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: 8240 diff changeset	231 size_t limit);
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	232 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: 8241 diff changeset	233 size_t len);
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	234
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	235
8267 2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	236 static ngx_core_module_t ngx_quic_module_ctx = {
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	237 ngx_string("quic"),
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	238 NULL,
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	239 NULL
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	240 };
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	241
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	242
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	243 ngx_module_t ngx_quic_module = {
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	244 NGX_MODULE_V1,
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	245 &ngx_quic_module_ctx, /* module context */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	246 NULL, /* module directives */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	247 NGX_CORE_MODULE, /* module type */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	248 NULL, /* init master */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	249 NULL, /* init module */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	250 NULL, /* init process */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	251 NULL, /* init thread */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	252 NULL, /* exit thread */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	253 NULL, /* exit process */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	254 NULL, /* exit master */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	255 NGX_MODULE_V1_PADDING
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	256 };
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	257
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8266 diff changeset	258
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	259 static SSL_QUIC_METHOD quic_method = {
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	260 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	261 ngx_quic_set_read_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	262 ngx_quic_set_write_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	263 #else
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	264 ngx_quic_set_encryption_secrets,
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	265 #endif
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	266 ngx_quic_add_handshake_data,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	267 ngx_quic_flush_flight,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	268 ngx_quic_send_alert,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	269 };
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	270
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	271
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	272 #if (NGX_DEBUG)
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	273
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	274 static void
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	275 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: 8162 diff changeset	276 {
8172 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8171 diff changeset	277 u_char p, last, pos, end;
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8171 diff changeset	278 ssize_t n;
8173 3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	279 uint64_t gap, range, largest, smallest;
8172 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8171 diff changeset	280 ngx_uint_t i;
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8171 diff changeset	281 u_char buf[NGX_MAX_ERROR_STR];
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	282
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	283 p = buf;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	284 last = buf + sizeof(buf);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	285
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	286 switch (f->type) {
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	287
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	288 case NGX_QUIC_FT_CRYPTO:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	289 p = ngx_slprintf(p, last, "CRYPTO len:%uL off:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	290 f->u.crypto.length, f->u.crypto.offset);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	291 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	292
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	293 case NGX_QUIC_FT_PADDING:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	294 p = ngx_slprintf(p, last, "PADDING");
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	295 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	296
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	297 case NGX_QUIC_FT_ACK:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	298 case NGX_QUIC_FT_ACK_ECN:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	299
8173 3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	300 p = ngx_slprintf(p, last, "ACK n:%ui delay:%uL ",
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	301 f->u.ack.range_count, f->u.ack.delay);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	302
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	303 if (f->data) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	304 pos = f->data->buf->pos;
8288 0b3d70fbba99 QUIC: fixed logging ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8287 diff changeset	305 end = f->data->buf->last;
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	306
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	307 } else {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	308 pos = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	309 end = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	310 }
8172 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8171 diff changeset	311
8173 3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	312 largest = f->u.ack.largest;
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	313 smallest = f->u.ack.largest - f->u.ack.first_range;
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	314
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	315 if (largest == smallest) {
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	316 p = ngx_slprintf(p, last, "%uL", largest);
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	317
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	318 } else {
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	319 p = ngx_slprintf(p, last, "%uL-%uL", largest, smallest);
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	320 }
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	321
8172 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8171 diff changeset	322 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: 8171 diff changeset	323 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: 8171 diff changeset	324 if (n == NGX_ERROR) {
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8171 diff changeset	325 break;
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	326 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	327
8172 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8171 diff changeset	328 pos += n;
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8171 diff changeset	329
8173 3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	330 largest = smallest - gap - 2;
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	331 smallest = largest - range;
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	332
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	333 if (largest == smallest) {
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	334 p = ngx_slprintf(p, last, " %uL", largest);
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	335
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	336 } else {
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	337 p = ngx_slprintf(p, last, " %uL-%uL", largest, smallest);
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8172 diff changeset	338 }
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	339 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	340
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	341 if (f->type == NGX_QUIC_FT_ACK_ECN) {
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	342 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: 8162 diff changeset	343 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: 8162 diff changeset	344 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	345 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	346
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	347 case NGX_QUIC_FT_PING:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	348 p = ngx_slprintf(p, last, "PING");
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	349 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	350
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	351 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	352 p = ngx_slprintf(p, last,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	353 "NEW_CONNECTION_ID seq:%uL retire:%uL len:%ud",
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	354 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: 8162 diff changeset	355 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	356
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	357 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	358 p = ngx_slprintf(p, last, "RETIRE_CONNECTION_ID seqnum:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	359 f->u.retire_cid.sequence_number);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	360 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	361
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	362 case NGX_QUIC_FT_CONNECTION_CLOSE:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	363 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	364 p = ngx_slprintf(p, last, "CONNECTION_CLOSE%s err:%ui",
8285 0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t. Sergey Kandaurov <pluknet@nginx.com> parents: 8281 diff changeset	365 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: 8281 diff changeset	366 f->u.close.error_code);
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	367
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	368 if (f->u.close.reason.len) {
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	369 p = ngx_slprintf(p, last, " %V", &f->u.close.reason);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	370 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	371
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	372 if (f->type == NGX_QUIC_FT_CONNECTION_CLOSE) {
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	373 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: 8162 diff changeset	374 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	375
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	376 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	377
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	378 case NGX_QUIC_FT_STREAM0:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	379 case NGX_QUIC_FT_STREAM1:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	380 case NGX_QUIC_FT_STREAM2:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	381 case NGX_QUIC_FT_STREAM3:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	382 case NGX_QUIC_FT_STREAM4:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	383 case NGX_QUIC_FT_STREAM5:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	384 case NGX_QUIC_FT_STREAM6:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	385 case NGX_QUIC_FT_STREAM7:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	386
8174 27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8173 diff changeset	387 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: 8173 diff changeset	388
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8173 diff changeset	389 if (f->u.stream.off) {
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8173 diff changeset	390 p = ngx_slprintf(p, last, " off:%uL", f->u.stream.offset);
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8173 diff changeset	391 }
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8173 diff changeset	392
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8173 diff changeset	393 if (f->u.stream.len) {
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8173 diff changeset	394 p = ngx_slprintf(p, last, " len:%uL", f->u.stream.length);
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8173 diff changeset	395 }
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8173 diff changeset	396
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8173 diff changeset	397 if (f->u.stream.fin) {
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8173 diff changeset	398 p = ngx_slprintf(p, last, " fin:1");
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8173 diff changeset	399 }
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8173 diff changeset	400
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	401 #ifdef NGX_QUIC_DEBUG_FRAMES
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	402 {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	403 ngx_chain_t *cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	404
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	405 p = ngx_slprintf(p, last, " data:");
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	406
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	407 for (cl = f->data; cl; cl = cl->next) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	408 p = ngx_slprintf(p, last, "%*xs",
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	409 cl->buf->last - cl->buf->pos, cl->buf->pos);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	410 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	411 }
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	412 #endif
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	413
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	414 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	415
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	416 case NGX_QUIC_FT_MAX_DATA:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	417 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: 8162 diff changeset	418 f->u.max_data.max_data);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	419 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	420
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	421 case NGX_QUIC_FT_RESET_STREAM:
8295 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	422 p = ngx_slprintf(p, last, "RESET_STREAM"
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	423 " 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: 8162 diff changeset	424 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: 8162 diff changeset	425 f->u.reset_stream.final_size);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	426 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	427
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	428 case NGX_QUIC_FT_STOP_SENDING:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	429 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: 8162 diff changeset	430 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: 8162 diff changeset	431 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	432
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	433 case NGX_QUIC_FT_STREAMS_BLOCKED:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	434 case NGX_QUIC_FT_STREAMS_BLOCKED2:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	435 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: 8162 diff changeset	436 f->u.streams_blocked.limit, f->u.streams_blocked.bidi);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	437 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	438
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	439 case NGX_QUIC_FT_MAX_STREAMS:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	440 case NGX_QUIC_FT_MAX_STREAMS2:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	441 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: 8162 diff changeset	442 f->u.max_streams.limit, f->u.max_streams.bidi);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	443 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	444
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	445 case NGX_QUIC_FT_MAX_STREAM_DATA:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	446 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: 8162 diff changeset	447 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: 8162 diff changeset	448 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	449
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	450
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	451 case NGX_QUIC_FT_DATA_BLOCKED:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	452 p = ngx_slprintf(p, last, "DATA_BLOCKED limit:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	453 f->u.data_blocked.limit);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	454 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	455
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	456 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	457 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: 8162 diff changeset	458 f->u.stream_data_blocked.id,
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	459 f->u.stream_data_blocked.limit);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	460 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	461
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	462 case NGX_QUIC_FT_PATH_CHALLENGE:
8263 b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5. Sergey Kandaurov <pluknet@nginx.com> parents: 8247 diff changeset	463 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: 8247 diff changeset	464 sizeof(f->u.path_challenge.data),
b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5. Sergey Kandaurov <pluknet@nginx.com> parents: 8247 diff changeset	465 f->u.path_challenge.data);
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	466 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	467
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	468 case NGX_QUIC_FT_PATH_RESPONSE:
8263 b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5. Sergey Kandaurov <pluknet@nginx.com> parents: 8247 diff changeset	469 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: 8247 diff changeset	470 sizeof(f->u.path_challenge.data),
b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5. Sergey Kandaurov <pluknet@nginx.com> parents: 8247 diff changeset	471 f->u.path_challenge.data);
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	472 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	473
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	474 case NGX_QUIC_FT_NEW_TOKEN:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	475 p = ngx_slprintf(p, last, "NEW_TOKEN");
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	476 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	477
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	478 case NGX_QUIC_FT_HANDSHAKE_DONE:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	479 p = ngx_slprintf(p, last, "HANDSHAKE DONE");
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	480 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	481
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	482 default:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	483 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: 8162 diff changeset	484 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	485 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	486
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	487 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: 8162 diff changeset	488 tx ? "tx" : "rx", ngx_quic_level_name(f->level),
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	489 p - buf, buf);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	490 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	491
8166 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	492
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	493 static void
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	494 ngx_quic_connstate_dbg(ngx_connection_t *c)
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	495 {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	496 u_char p, last;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	497 ngx_quic_connection_t *qc;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	498 u_char buf[NGX_MAX_ERROR_STR];
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	499
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	500 p = buf;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	501 last = p + sizeof(buf);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	502
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	503 qc = ngx_quic_get_connection(c);
8166 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	504
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	505 p = ngx_slprintf(p, last, "state:");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	506
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	507 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	508
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	509 if (qc->error) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	510 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: 8165 diff changeset	511 p = ngx_slprintf(p, last, " error:%ui", qc->error);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	512
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	513 if (qc->error_reason) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	514 p = ngx_slprintf(p, last, " \"%s\"", qc->error_reason);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	515 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	516 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	517
8359 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	518 p = ngx_slprintf(p, last, "%s", qc->shutdown ? " shutdown" : "");
8166 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	519 p = ngx_slprintf(p, last, "%s", qc->closing ? " closing" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	520 p = ngx_slprintf(p, last, "%s", qc->draining ? " draining" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	521 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: 8165 diff changeset	522 p = ngx_slprintf(p, last, "%s", qc->validated? " valid" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	523
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	524 } else {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	525 p = ngx_slprintf(p, last, " early");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	526 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	527
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	528 if (c->read->timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	529 p = ngx_slprintf(p, last,
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	530 qc && qc->send_timer_set ? " send:%M" : " read:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	531 c->read->timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	532 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	533
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	534 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	535
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	536 if (qc->push.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	537 p = ngx_slprintf(p, last, " push:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	538 qc->push.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	539 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	540
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	541 if (qc->pto.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	542 p = ngx_slprintf(p, last, " pto:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	543 qc->pto.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	544 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	545
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	546 if (qc->close.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	547 p = ngx_slprintf(p, last, " close:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	548 qc->close.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	549 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	550 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	551
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	552 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: 8165 diff changeset	553 "quic %*s", p - buf, buf);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	554 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	555
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	556 #else
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	557
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	558 #define ngx_quic_log_frame(log, f, tx)
8166 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	559 #define ngx_quic_connstate_dbg(c)
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	560
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	561 #endif
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	562
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	563
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	564 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	565
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	566 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	567 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: 7669 diff changeset	568 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
7687 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	569 const uint8_t *rsecret, size_t secret_len)
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	570 {
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	571 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	572 ngx_quic_connection_t *qc;
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	573
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	574 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	575 qc = ngx_quic_get_connection(c);
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	576
7837 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	577 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	578 "quic ngx_quic_set_read_secret() level:%d", level);
8137 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8136 diff changeset	579 #ifdef NGX_QUIC_DEBUG_CRYPTO
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	580 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	581 "quic read secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	582 secret_len, rsecret);
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	583 #endif
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	584
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	585 return ngx_quic_keys_set_encryption_secret(c->pool, 0, qc->keys, level,
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	586 cipher, rsecret, secret_len);
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	587 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	588
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	589
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	590 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	591 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: 7669 diff changeset	592 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
7687 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	593 const uint8_t *wsecret, size_t secret_len)
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	594 {
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	595 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	596 ngx_quic_connection_t *qc;
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	597
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	598 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	599 qc = ngx_quic_get_connection(c);
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	600
7837 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	601 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	602 "quic ngx_quic_set_write_secret() level:%d", level);
8137 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8136 diff changeset	603 #ifdef NGX_QUIC_DEBUG_CRYPTO
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	604 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	605 "quic write secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	606 secret_len, wsecret);
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	607 #endif
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	608
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	609 return ngx_quic_keys_set_encryption_secret(c->pool, 1, qc->keys, level,
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	610 cipher, wsecret, secret_len);
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	611 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	612
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	613 #else
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	614
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	615 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	616 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
7687 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	617 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: 7686 diff changeset	618 const uint8_t *wsecret, size_t secret_len)
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	619 {
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	620 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	621 const SSL_CIPHER *cipher;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	622 ngx_quic_connection_t *qc;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	623
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	624 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	625 qc = ngx_quic_get_connection(c);
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	626
7837 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	627 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	628 "quic ngx_quic_set_encryption_secrets() level:%d", level);
8137 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8136 diff changeset	629 #ifdef NGX_QUIC_DEBUG_CRYPTO
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	630 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	631 "quic read secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	632 secret_len, rsecret);
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	633 #endif
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	634
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	635 cipher = SSL_get_current_cipher(ssl_conn);
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	636
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	637 if (ngx_quic_keys_set_encryption_secret(c->pool, 0, qc->keys, level,
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	638 cipher, rsecret, secret_len)
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	639 != 1)
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	640 {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	641 return 0;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	642 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	643
7769 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 7768 diff changeset	644 if (level == ssl_encryption_early_data) {
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 7768 diff changeset	645 return 1;
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 7768 diff changeset	646 }
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 7768 diff changeset	647
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	648 #ifdef NGX_QUIC_DEBUG_CRYPTO
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	649 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	650 "quic write secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	651 secret_len, wsecret);
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	652 #endif
7769 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 7768 diff changeset	653
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	654 return ngx_quic_keys_set_encryption_secret(c->pool, 1, qc->keys, level,
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	655 cipher, wsecret, secret_len);
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	656 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	657
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	658 #endif
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	659
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	660
7650 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	661 static int
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	662 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: 7649 diff changeset	663 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: 7649 diff changeset	664 {
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	665 u_char p, end;
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	666 size_t client_params_len;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	667 const uint8_t *client_params;
8294 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	668 ngx_quic_tp_t ctp;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	669 ngx_quic_frame_t *frame;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	670 ngx_connection_t *c;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	671 ngx_quic_connection_t *qc;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	672 ngx_quic_frames_stream_t *fs;
7650 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	673
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	674 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	675 qc = ngx_quic_get_connection(c);
7650 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	676
7652 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 7651 diff changeset	677 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	678 "quic ngx_quic_add_handshake_data");
7650 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	679
7726 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	680 if (!qc->client_tp_done) {
7933 a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	681 /*
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	682 * things to do once during handshake: check ALPN and transport
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	683 * parameters; we want to break handshake if something is wrong
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	684 * here;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	685 */
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	686
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	687 #if defined(TLSEXT_TYPE_application_layer_protocol_negotiation)
8000 893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	688 if (qc->conf->require_alpn) {
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	689 unsigned int len;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	690 const unsigned char *data;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	691
8189 bb3f4f669417 QUIC: passing ssl_conn to SSL_get0_alpn_selected() directly. Sergey Kandaurov <pluknet@nginx.com> parents: 8176 diff changeset	692 SSL_get0_alpn_selected(ssl_conn, &data, &len);
8000 893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	693
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	694 if (len == 0) {
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	695 qc->error = 0x100 + SSL_AD_NO_APPLICATION_PROTOCOL;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	696 qc->error_reason = "unsupported protocol in ALPN extension";
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	697
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	698 ngx_log_error(NGX_LOG_INFO, c->log, 0,
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	699 "quic unsupported protocol in ALPN extension");
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	700 return 0;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	701 }
7933 a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	702 }
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	703 #endif
7726 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	704
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	705 SSL_get_peer_quic_transport_params(ssl_conn, &client_params,
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	706 &client_params_len);
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	707
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	708 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	709 "quic SSL_get_peer_quic_transport_params():"
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	710 " params_len:%ui", client_params_len);
7726 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	711
7930 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	712 if (client_params_len == 0) {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	713 /* quic-tls 8.2 */
7942 97adb87f149b Get rid of hardcoded numbers used for quic handshake errors. Sergey Kandaurov <pluknet@nginx.com> parents: 7941 diff changeset	714 qc->error = NGX_QUIC_ERR_CRYPTO(SSL_AD_MISSING_EXTENSION);
7930 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	715 qc->error_reason = "missing transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	716
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	717 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	718 "missing transport parameters");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	719 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	720 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	721
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	722 p = (u_char *) client_params;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	723 end = p + client_params_len;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	724
8294 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	725 /* defaults for parameters not sent by client */
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	726 ngx_memcpy(&ctp, &qc->ctp, sizeof(ngx_quic_tp_t));
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	727
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	728 if (ngx_quic_parse_transport_params(p, end, &ctp, c->log)
7930 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	729 != NGX_OK)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	730 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	731 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	732 qc->error_reason = "failed to process transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	733
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	734 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	735 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	736
8294 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	737 if (ngx_quic_apply_transport_params(c, &ctp) != NGX_OK) {
7930 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	738 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	739 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	740
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	741 qc->client_tp_done = 1;
7726 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	742 }
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	743
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	744 fs = &qc->crypto[level];
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	745
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	746 frame = ngx_quic_alloc_frame(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	747 if (frame == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	748 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	749 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	750
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	751 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: 8241 diff changeset	752 if (frame->data == NGX_CHAIN_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	753 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	754 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	755
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	756 frame->level = level;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	757 frame->type = NGX_QUIC_FT_CRYPTO;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	758 frame->u.crypto.offset = fs->sent;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	759 frame->u.crypto.length = len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	760
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	761 fs->sent += len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	762
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	763 ngx_quic_queue_frame(qc, frame);
7650 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	764
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	765 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	766 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	767
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	768
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	769 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	770 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: 7646 diff changeset	771 {
7837 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	772 #if (NGX_DEBUG)
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	773 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	774
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	775 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: 7646 diff changeset	776
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	777 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	778 "quic ngx_quic_flush_flight()");
7837 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	779 #endif
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	780 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	781 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	782
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	783
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	784 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	785 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: 7646 diff changeset	786 uint8_t alert)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	787 {
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	788 ngx_connection_t *c;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	789 ngx_quic_connection_t *qc;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	790
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	791 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: 7646 diff changeset	792
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	793 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	794 "quic ngx_quic_send_alert() lvl:%d alert:%d",
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	795 (int) level, (int) alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	796
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	797 qc = ngx_quic_get_connection(c);
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	798 if (qc == NULL) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	799 return 1;
7701 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 7700 diff changeset	800 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 7700 diff changeset	801
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	802 qc->error_level = level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	803 qc->error = NGX_QUIC_ERR_CRYPTO(alert);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	804 qc->error_reason = "TLS alert";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	805 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	806 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	807
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	808 if (ngx_quic_send_cc(c) != NGX_OK) {
7701 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 7700 diff changeset	809 return 0;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 7700 diff changeset	810 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 7700 diff changeset	811
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	812 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	813 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	814
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	815
8294 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	816 static ngx_int_t
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	817 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: 8291 diff changeset	818 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	819 ngx_quic_connection_t *qc;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	820
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	821 qc = ngx_quic_get_connection(c);
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	822
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	823 if (qc->scid.len != ctp->initial_scid.len
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	824 \|\| 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: 8291 diff changeset	825 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	826 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	827 "quic client initial_source_connection_id mismatch");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	828 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	829 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	830
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	831 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: 8291 diff changeset	832 \|\| 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: 8291 diff changeset	833 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	834 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	835 qc->error_reason = "invalid maximum packet size";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	836
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	837 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	838 "quic maximum packet size is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	839 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	840
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	841 } 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: 8291 diff changeset	842 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: 8291 diff changeset	843 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8295 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	844 "quic client maximum packet size truncated");
8294 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	845 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	846
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	847 if (ctp->active_connection_id_limit < 2) {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	848 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	849 qc->error_reason = "invalid active_connection_id_limit";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	850
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	851 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	852 "quic active_connection_id_limit is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	853 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	854 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	855
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	856 if (ctp->ack_delay_exponent > 20) {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	857 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	858 qc->error_reason = "invalid ack_delay_exponent";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	859
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	860 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	861 "quic ack_delay_exponent is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	862 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	863 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	864
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	865 if (ctp->max_ack_delay > 16384) {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	866 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	867 qc->error_reason = "invalid max_ack_delay";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	868
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	869 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	870 "quic max_ack_delay is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	871 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	872 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	873
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	874 if (ctp->max_idle_timeout > 0
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	875 && ctp->max_idle_timeout < qc->tp.max_idle_timeout)
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	876 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	877 qc->tp.max_idle_timeout = ctp->max_idle_timeout;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	878 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	879
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	880 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: 8291 diff changeset	881 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: 8291 diff changeset	882
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	883 ngx_memcpy(&qc->ctp, ctp, sizeof(ngx_quic_tp_t));
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	884
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	885 return NGX_OK;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	886 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	887
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	888
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	889 void
8101 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8100 diff changeset	890 ngx_quic_run(ngx_connection_t c, ngx_quic_conf_t conf)
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	891 {
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	892 ngx_int_t rc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	893 ngx_quic_connection_t *qc;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	894
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	895 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic run");
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	896
8101 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8100 diff changeset	897 rc = ngx_quic_input(c, c->buffer, conf);
8074 c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8073 diff changeset	898 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8073 diff changeset	899 ngx_quic_close_connection(c, rc == NGX_DECLINED ? NGX_DONE : NGX_ERROR);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	900 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	901 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	902
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	903 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	904
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	905 if (qc == NULL) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	906 ngx_quic_close_connection(c, NGX_DONE);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	907 return;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	908 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	909
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	910 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	911 ngx_quic_connstate_dbg(c);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	912
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	913 c->read->handler = ngx_quic_input_handler;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	914
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	915 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	916 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	917
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	918
8099 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	919 static ngx_quic_connection_t *
8101 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8100 diff changeset	920 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: 8100 diff changeset	921 ngx_quic_header_t *pkt)
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	922 {
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	923 ngx_uint_t i;
7731 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 7729 diff changeset	924 ngx_quic_tp_t *ctp;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	925 ngx_quic_connection_t *qc;
7864 eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 7863 diff changeset	926
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	927 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	928 if (qc == NULL) {
8099 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	929 return NULL;
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	930 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	931
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	932 qc->keys = ngx_quic_keys_new(c->pool);
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	933 if (qc->keys == NULL) {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	934 return NULL;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	935 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	936
8194 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8193 diff changeset	937 qc->version = pkt->version;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8193 diff changeset	938
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	939 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	940 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	941
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	942 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	943 ngx_queue_init(&qc->send_ctx[i].frames);
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	944 ngx_queue_init(&qc->send_ctx[i].sent);
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	945 qc->send_ctx[i].largest_pn = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	946 qc->send_ctx[i].largest_ack = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	947 qc->send_ctx[i].largest_range = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	948 qc->send_ctx[i].pending_ack = NGX_QUIC_UNSET_PN;
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	949 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	950
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	951 qc->send_ctx[0].level = ssl_encryption_initial;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	952 qc->send_ctx[1].level = ssl_encryption_handshake;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	953 qc->send_ctx[2].level = ssl_encryption_application;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	954
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	955 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	956 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	957 }
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	958
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	959 ngx_queue_init(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	960
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	961 qc->avg_rtt = NGX_QUIC_INITIAL_RTT;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	962 qc->rttvar = NGX_QUIC_INITIAL_RTT / 2;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	963 qc->min_rtt = NGX_TIMER_INFINITE;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	964
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	965 /*
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	966 * qc->latest_rtt = 0
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	967 */
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	968
7995 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 7994 diff changeset	969 qc->received = pkt->raw->last - pkt->raw->start;
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 7994 diff changeset	970
7990 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 7989 diff changeset	971 qc->pto.log = c->log;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 7989 diff changeset	972 qc->pto.data = c;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 7989 diff changeset	973 qc->pto.handler = ngx_quic_pto_handler;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 7989 diff changeset	974 qc->pto.cancelable = 1;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	975
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	976 qc->push.log = c->log;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	977 qc->push.data = c;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	978 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	979 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	980
7999 0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 7998 diff changeset	981 qc->conf = conf;
0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 7998 diff changeset	982 qc->tp = conf->tp;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	983
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	984 if (qc->tp.disable_active_migration) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	985 qc->sockaddr = ngx_palloc(c->pool, c->socklen);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	986 if (qc->sockaddr == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	987 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	988 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	989
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	990 ngx_memcpy(qc->sockaddr, c->sockaddr, c->socklen);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	991 qc->socklen = c->socklen;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	992 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	993
7731 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 7729 diff changeset	994 ctp = &qc->ctp;
8294 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	995
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	996 /* defaults to be used before actual client parameters are received */
7931 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	997 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
7731 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 7729 diff changeset	998 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: 7729 diff changeset	999 ctp->max_ack_delay = NGX_QUIC_DEFAULT_MAX_ACK_DELAY;
8294 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8291 diff changeset	1000 ctp->active_connection_id_limit = 2;
7731 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 7729 diff changeset	1001
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	1002 qc->streams.recv_max_data = qc->tp.initial_max_data;
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	1003
8014 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	1004 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: 8013 diff changeset	1005 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: 8013 diff changeset	1006
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	1007 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: 7908 diff changeset	1008 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: 7908 diff changeset	1009 14720));
8193 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1010 qc->congestion.ssthresh = (size_t) -1;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	1011 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	1012
8406 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1013 if (pkt->validated && pkt->retried) {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1014 qc->tp.retry_scid.len = pkt->dcid.len;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1015 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: 8405 diff changeset	1016 if (qc->tp.retry_scid.data == NULL) {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1017 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1018 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1019 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1020
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1021 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: 8405 diff changeset	1022 qc->version)
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1023 != NGX_OK)
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1024 {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1025 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1026 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1027
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1028 qc->validated = pkt->validated;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1029
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1030 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: 8405 diff changeset	1031 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1032 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1033
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1034 return qc;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1035 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1036
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1037
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1038 static ngx_int_t
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1039 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: 8405 diff changeset	1040 ngx_quic_header_t *pkt)
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1041 {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1042 ngx_quic_server_id_t sid, osid;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1043 ngx_quic_client_id_t *cid;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1044
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1045 /*
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1046 * qc->nclient_ids = 0
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1047 * qc->nserver_ids = 0
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1048 * qc->max_retired_seqnum = 0
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1049 */
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1050
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1051 ngx_queue_init(&qc->client_ids);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1052 ngx_queue_init(&qc->server_ids);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1053 ngx_queue_init(&qc->free_client_ids);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1054 ngx_queue_init(&qc->free_server_ids);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1055
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1056 qc->odcid.len = pkt->odcid.len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1057 qc->odcid.data = ngx_pstrdup(c->pool, &pkt->odcid);
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1058 if (qc->odcid.data == NULL) {
8406 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1059 return NGX_ERROR;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1060 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1061
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1062 qc->tp.original_dcid = qc->odcid;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1063
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1064 qc->scid.len = pkt->scid.len;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1065 qc->scid.data = ngx_pstrdup(c->pool, &pkt->scid);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1066 if (qc->scid.data == NULL) {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1067 return NGX_ERROR;
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1068 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1069
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1070 qc->dcid.len = NGX_QUIC_SERVER_CID_LEN;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1071 qc->dcid.data = ngx_pnalloc(c->pool, qc->dcid.len);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1072 if (qc->dcid.data == NULL) {
8406 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1073 return NGX_ERROR;
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1074 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1075
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1076 if (ngx_quic_create_server_id(c, qc->dcid.data) != NGX_OK) {
8406 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1077 return NGX_ERROR;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1078 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1079
8099 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	1080 qc->tp.initial_scid = qc->dcid;
7912 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 7910 diff changeset	1081
8197 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8196 diff changeset	1082 cid = ngx_quic_alloc_client_id(c, qc);
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	1083 if (cid == NULL) {
8406 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1084 return NGX_ERROR;
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	1085 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	1086
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	1087 cid->seqnum = 0;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	1088 cid->len = pkt->scid.len;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	1089 ngx_memcpy(cid->id, pkt->scid.data, pkt->scid.len);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	1090
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	1091 ngx_queue_insert_tail(&qc->client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	1092 qc->nclient_ids++;
8197 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8196 diff changeset	1093 qc->client_seqnum = 0;
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	1094
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1095 qc->server_seqnum = NGX_QUIC_UNSET_PN;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1096
8406 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1097 osid = ngx_quic_insert_server_id(c, qc, &qc->odcid);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1098 if (osid == NULL) {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1099 return NGX_ERROR;
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1100 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1101
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1102 qc->server_seqnum = 0;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1103
8385 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	1104 sid = ngx_quic_insert_server_id(c, qc, &qc->dcid);
9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	1105 if (sid == NULL) {
8406 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1106 ngx_rbtree_delete(&c->listening->rbtree, &osid->udp.node);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1107 return NGX_ERROR;
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1108 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1109
8385 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	1110 c->udp = &sid->udp;
9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	1111
8406 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8405 diff changeset	1112 return NGX_OK;
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1113 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1114
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1115
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1116 static ngx_int_t
8100 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1117 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: 8099 diff changeset	1118 ngx_quic_header_t *pkt)
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1119 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1120 u_char *token;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1121 size_t len, max;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1122 uint16_t rndbytes;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1123 u_char buf[NGX_QUIC_MAX_SR_PACKET];
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1124
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1125 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1126 "quic handle stateless reset output");
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1127
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1128 if (pkt->len <= NGX_QUIC_MIN_PKT_LEN) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1129 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1130 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1131
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1132 if (pkt->len <= NGX_QUIC_MIN_SR_PACKET) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1133 len = pkt->len - 1;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1134
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1135 } else {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1136 max = ngx_min(NGX_QUIC_MAX_SR_PACKET, pkt->len * 3);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1137
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1138 if (RAND_bytes((u_char *) &rndbytes, sizeof(rndbytes)) != 1) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1139 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1140 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1141
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1142 len = (rndbytes % (max - NGX_QUIC_MIN_SR_PACKET + 1))
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1143 + NGX_QUIC_MIN_SR_PACKET;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1144 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1145
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1146 if (RAND_bytes(buf, len - NGX_QUIC_SR_TOKEN_LEN) != 1) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1147 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1148 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1149
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1150 buf[0] &= ~NGX_QUIC_PKT_LONG;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1151 buf[0] \|= NGX_QUIC_PKT_FIXED_BIT;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1152
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1153 token = &buf[len - NGX_QUIC_SR_TOKEN_LEN];
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1154
8287 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1155 if (ngx_quic_new_sr_token(c, &pkt->dcid, conf->sr_token_key, token)
8100 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1156 != NGX_OK)
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1157 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1158 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1159 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1160
8240 43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	1161 (void) ngx_quic_send(c, buf, len);
8100 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1162
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1163 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1164 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1165
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1166
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1167 static ngx_int_t
8287 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1168 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: 8286 diff changeset	1169 u_char *token)
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1170 {
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1171 ngx_str_t tmp;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1172
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1173 tmp.data = secret;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1174 tmp.len = NGX_QUIC_SR_KEY_LEN;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1175
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1176 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: 8286 diff changeset	1177 NGX_QUIC_SR_TOKEN_LEN)
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1178 != NGX_OK)
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1179 {
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1180 return NGX_ERROR;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1181 }
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1182
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1183 #if (NGX_DEBUG)
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1184 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1185 "quic stateless reset token %*xs",
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1186 (size_t) NGX_QUIC_SR_TOKEN_LEN, token);
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1187 #endif
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1188
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1189 return NGX_OK;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1190 }
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1191
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1192
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1193 static ngx_int_t
8100 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1194 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: 8099 diff changeset	1195 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1196 u_char *tail, ch;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1197 ngx_uint_t i;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1198 ngx_queue_t *q;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1199 ngx_quic_client_id_t *cid;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1200 ngx_quic_connection_t *qc;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1201
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	1202 qc = ngx_quic_get_connection(c);
8100 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1203
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1204 /* A stateless reset uses an entire UDP datagram */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1205 if (pkt->raw->start != pkt->data) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1206 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1207 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1208
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1209 tail = pkt->raw->last - NGX_QUIC_SR_TOKEN_LEN;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1210
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1211 for (q = ngx_queue_head(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1212 q != ngx_queue_sentinel(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1213 q = ngx_queue_next(q))
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1214 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1215 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1216
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1217 if (cid->seqnum == 0) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1218 /* no stateless reset token in initial connection id */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1219 continue;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1220 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1221
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1222 /* constant time comparison */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1223
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1224 for (ch = 0, i = 0; i < NGX_QUIC_SR_TOKEN_LEN; i++) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1225 ch \|= tail[i] ^ cid->sr_token[i];
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1226 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1227
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1228 if (ch == 0) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1229 return NGX_OK;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1230 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1231 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1232
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1233 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1234 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1235
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1236
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1237 static ngx_int_t
8060 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1238 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: 8057 diff changeset	1239 {
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1240 size_t len;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1241 ngx_quic_header_t pkt;
8195 4416b7ab0a27 QUIC: multiple versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8194 diff changeset	1242 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8060 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1243
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1244 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1245 "sending version negotiation packet");
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1246
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1247 pkt.log = c->log;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1248 pkt.flags = NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_FIXED_BIT;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1249 pkt.dcid = inpkt->scid;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1250 pkt.scid = inpkt->dcid;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1251
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1252 len = ngx_quic_create_version_negotiation(&pkt, buf);
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1253
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1254 #ifdef NGX_QUIC_DEBUG_PACKETS
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1255 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1256 "quic vnego packet to send len:%uz %*xs", len, len, buf);
8060 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1257 #endif
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1258
8240 43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	1259 (void) ngx_quic_send(c, buf, len);
8060 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1260
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1261 return NGX_ERROR;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1262 }
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1263
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1264
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8057 diff changeset	1265 static ngx_int_t
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1266 ngx_quic_create_server_id(ngx_connection_t c, u_char id)
7845 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	1267 {
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1268 if (RAND_bytes(id, NGX_QUIC_SERVER_CID_LEN) != 1) {
7859 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	1269 return NGX_ERROR;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	1270 }
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	1271
8269 7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1272 #if (NGX_QUIC_BPF)
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1273 if (ngx_quic_bpf_attach_id(c, id) != NGX_OK) {
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1274 ngx_log_error(NGX_LOG_ERR, c->log, 0,
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1275 "quic bpf failed to generate socket key");
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1276 /* ignore error, things still may work */
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1277 }
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1278 #endif
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1279
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1280 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1281 "quic create server id %*xs",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1282 (size_t) NGX_QUIC_SERVER_CID_LEN, id);
7845 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	1283 return NGX_OK;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	1284 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	1285
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	1286
8269 7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1287 #if (NGX_QUIC_BPF)
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1288
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1289 static ngx_int_t
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1290 ngx_quic_bpf_attach_id(ngx_connection_t c, u_char id)
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1291 {
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1292 int fd;
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1293 uint64_t cookie;
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1294 socklen_t optlen;
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1295
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1296 fd = c->listening->fd;
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1297
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1298 optlen = sizeof(cookie);
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1299
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1300 if (getsockopt(fd, SOL_SOCKET, SO_COOKIE, &cookie, &optlen) == -1) {
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1301 ngx_log_error(NGX_LOG_ERR, c->log, ngx_socket_errno,
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1302 "quic getsockopt(SO_COOKIE) failed");
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1303
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1304 return NGX_ERROR;
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1305 }
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1306
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1307 ngx_quic_dcid_encode_key(id, cookie);
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1308
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1309 return NGX_OK;
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1310 }
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1311
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1312 #endif
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1313
7df607cb2d11 QUIC: ngx_quic_bpf module. Vladimir Homutov <vl@nginx.com> parents: 8267 diff changeset	1314
7845 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	1315 static ngx_int_t
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1316 ngx_quic_send_retry(ngx_connection_t c, ngx_quic_conf_t conf,
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1317 ngx_quic_header_t *inpkt)
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1318 {
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1319 time_t expires;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1320 ssize_t len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1321 ngx_str_t res, token;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1322 ngx_quic_header_t pkt;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1323
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1324 u_char buf[NGX_QUIC_RETRY_BUFFER_SIZE];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1325 u_char dcid[NGX_QUIC_SERVER_CID_LEN];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1326
8287 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1327 expires = ngx_time() + NGX_QUIC_RETRY_TOKEN_LIFETIME;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1328
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1329 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: 8286 diff changeset	1330 expires, 1)
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1331 != NGX_OK)
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1332 {
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1333 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1334 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1335
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1336 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1337 pkt.flags = NGX_QUIC_PKT_FIXED_BIT \| NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_RETRY;
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1338 pkt.version = inpkt->version;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1339 pkt.log = c->log;
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1340
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1341 pkt.odcid = inpkt->dcid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1342 pkt.dcid = inpkt->scid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1343
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1344 /* TODO: generate routable dcid */
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1345 if (RAND_bytes(dcid, NGX_QUIC_SERVER_CID_LEN) != 1) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1346 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1347 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1348
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1349 pkt.scid.len = NGX_QUIC_SERVER_CID_LEN;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1350 pkt.scid.data = dcid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1351
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1352 pkt.token = token;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1353
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1354 res.data = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1355
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	1356 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1357 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1358 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1359
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1360 #ifdef NGX_QUIC_DEBUG_PACKETS
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1361 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1362 "quic packet to send len:%uz %xV", res.len, &res);
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1363 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1364
8240 43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	1365 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: 8239 diff changeset	1366 if (len == NGX_ERROR) {
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1367 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1368 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1369
8404 fa24745b8c06 QUIC: fixed debug message macro. Vladimir Homutov <vl@nginx.com> parents: 8387 diff changeset	1370 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
fa24745b8c06 QUIC: fixed debug message macro. Vladimir Homutov <vl@nginx.com> parents: 8387 diff changeset	1371 "quic retry packet sent to %xV", &pkt.dcid);
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1372
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1373 /*
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1374 * 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: 8269 diff changeset	1375 * packet in response to a single UDP datagram.
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1376 * NGX_DONE will stop quic_input() from processing further
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1377 */
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1378 return NGX_DONE;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1379 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1380
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1381
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1382 static ngx_int_t
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1383 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: 8269 diff changeset	1384 ngx_str_t *odcid, time_t exp, ngx_uint_t is_retry)
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1385 {
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1386 int len, iv_len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1387 u_char p, iv;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1388 EVP_CIPHER_CTX *ctx;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1389 const EVP_CIPHER *cipher;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1390
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1391 u_char in[NGX_QUIC_MAX_TOKEN_SIZE];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1392
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1393 ngx_quic_address_hash(c, !is_retry, in);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1394
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1395 p = in + 20;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1396
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1397 p = ngx_cpymem(p, &exp, sizeof(time_t));
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1398
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1399 *p++ = is_retry ? 1 : 0;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1400
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1401 if (odcid) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1402 *p++ = odcid->len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1403 p = ngx_cpymem(p, odcid->data, odcid->len);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1404
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1405 } else {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1406 *p++ = 0;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1407 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1408
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1409 len = p - in;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1410
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1411 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1412 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1413
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1414 token->len = iv_len + len + EVP_CIPHER_block_size(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1415 token->data = ngx_pnalloc(c->pool, token->len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1416 if (token->data == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1417 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1418 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1419
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1420 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1421 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1422 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1423 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1424
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1425 iv = token->data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1426
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1427 if (RAND_bytes(iv, iv_len) <= 0
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1428 \|\| !EVP_EncryptInit_ex(ctx, cipher, NULL, key, iv))
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1429 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1430 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1431 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1432 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1433
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1434 token->len = iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1435
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1436 if (EVP_EncryptUpdate(ctx, token->data + token->len, &len, in, len) != 1) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1437 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1438 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1439 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1440
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1441 token->len += len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1442
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1443 if (EVP_EncryptFinal_ex(ctx, token->data + token->len, &len) <= 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1444 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1445 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1446 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1447
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1448 token->len += len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1449
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1450 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1451
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1452 #ifdef NGX_QUIC_DEBUG_PACKETS
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1453 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1454 "quic new token len:%uz %xV", token->len, token);
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1455 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1456
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1457 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1458 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1459
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1460
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1461 static void
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1462 ngx_quic_address_hash(ngx_connection_t *c, ngx_uint_t no_port, u_char buf[20])
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1463 {
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1464 size_t len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1465 u_char *data;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1466 ngx_sha1_t sha1;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1467 struct sockaddr_in *sin;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1468 #if (NGX_HAVE_INET6)
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1469 struct sockaddr_in6 *sin6;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1470 #endif
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1471
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1472 len = (size_t) c->socklen;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1473 data = (u_char *) c->sockaddr;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1474
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1475 if (no_port) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1476 switch (c->sockaddr->sa_family) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1477
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1478 #if (NGX_HAVE_INET6)
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1479 case AF_INET6:
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1480 sin6 = (struct sockaddr_in6 *) c->sockaddr;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1481
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1482 len = sizeof(struct in6_addr);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1483 data = sin6->sin6_addr.s6_addr;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1484
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1485 break;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1486 #endif
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1487
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1488 case AF_INET:
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1489 sin = (struct sockaddr_in *) c->sockaddr;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1490
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1491 len = sizeof(in_addr_t);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1492 data = (u_char *) &sin->sin_addr;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1493
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1494 break;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1495 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1496 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1497
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1498 ngx_sha1_init(&sha1);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1499 ngx_sha1_update(&sha1, data, len);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1500 ngx_sha1_final(buf, &sha1);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1501 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1502
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1503
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1504 static ngx_int_t
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1505 ngx_quic_validate_token(ngx_connection_t c, u_char key,
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1506 ngx_quic_header_t *pkt)
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1507 {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1508 int len, tlen, iv_len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1509 u_char iv, p;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1510 time_t now, exp;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1511 size_t total;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1512 ngx_str_t odcid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1513 EVP_CIPHER_CTX *ctx;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1514 const EVP_CIPHER *cipher;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1515
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1516 u_char addr_hash[20];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1517 u_char tdec[NGX_QUIC_MAX_TOKEN_SIZE];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1518
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1519 /* Retry token or NEW_TOKEN in a previous connection */
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1520
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1521 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1522 iv = pkt->token.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1523 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1524
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1525 /* sanity checks */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1526
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1527 if (pkt->token.len < (size_t) iv_len + EVP_CIPHER_block_size(cipher)) {
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1528 goto garbage;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1529 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1530
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1531 if (pkt->token.len > (size_t) iv_len + NGX_QUIC_MAX_TOKEN_SIZE) {
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1532 goto garbage;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1533 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1534
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1535 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1536 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1537 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1538 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1539
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1540 if (!EVP_DecryptInit_ex(ctx, cipher, NULL, key, iv)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1541 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1542 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1543 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1544
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1545 p = pkt->token.data + iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1546 len = pkt->token.len - iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1547
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1548 if (EVP_DecryptUpdate(ctx, tdec, &len, p, len) != 1) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1549 EVP_CIPHER_CTX_free(ctx);
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1550 goto garbage;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1551 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1552 total = len;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1553
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1554 if (EVP_DecryptFinal_ex(ctx, tdec + len, &tlen) <= 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1555 EVP_CIPHER_CTX_free(ctx);
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1556 goto garbage;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1557 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1558 total += tlen;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1559
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1560 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1561
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1562 if (total < (20 + sizeof(time_t) + 2)) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1563 goto garbage;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1564 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1565
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1566 p = tdec + 20;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1567
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1568 ngx_memcpy(&exp, p, sizeof(time_t));
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1569 p += sizeof(time_t);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1570
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1571 pkt->retried = (*p++ == 1);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1572
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1573 ngx_quic_address_hash(c, !pkt->retried, addr_hash);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1574
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1575 if (ngx_memcmp(tdec, addr_hash, 20) != 0) {
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1576 goto bad_token;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1577 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1578
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1579 odcid.len = *p++;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1580 if (odcid.len) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1581 if (odcid.len > NGX_QUIC_MAX_CID_LEN) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1582 goto bad_token;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1583 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1584
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1585 if ((size_t)(tdec + total - p) < odcid.len) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1586 goto bad_token;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1587 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1588
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1589 odcid.data = p;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1590 p += odcid.len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1591 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1592
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1593 now = ngx_time();
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1594
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1595 if (now > exp) {
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	1596 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic expired token");
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1597 return NGX_DECLINED;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1598 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1599
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1600 if (odcid.len) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1601 pkt->odcid.len = odcid.len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1602 pkt->odcid.data = ngx_pstrdup(c->pool, &odcid);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1603 if (pkt->odcid.data == NULL) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1604 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1605 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1606
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1607 } else {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1608 pkt->odcid = pkt->dcid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1609 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1610
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1611 pkt->validated = 1;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1612
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1613 return NGX_OK;
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1614
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1615 garbage:
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1616
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1617 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic garbage token");
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1618
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1619 return NGX_ABORT;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1620
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1621 bad_token:
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1622
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	1623 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic invalid token");
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	1624
8192 183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8191 diff changeset	1625 return NGX_DECLINED;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1626 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1627
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1628
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1629 static ngx_int_t
7687 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	1630 ngx_quic_init_connection(ngx_connection_t *c)
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1631 {
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1632 u_char *p;
7917 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1633 size_t clen;
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1634 ssize_t len;
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1635 ngx_ssl_conn_t *ssl_conn;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1636 ngx_quic_connection_t *qc;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1637
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	1638 qc = ngx_quic_get_connection(c);
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1639
8101 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8100 diff changeset	1640 if (ngx_ssl_create_connection(qc->conf->ssl, c, NGX_SSL_BUFFER) != NGX_OK) {
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1641 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1642 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1643
8239 f596a4e5794b QUIC: disabling bidirectional SSL shutdown earlier. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1644 c->ssl->no_wait_shutdown = 1;
f596a4e5794b QUIC: disabling bidirectional SSL shutdown earlier. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1645
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1646 ssl_conn = c->ssl->connection;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1647
7698 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 7697 diff changeset	1648 if (SSL_set_quic_method(ssl_conn, &quic_method) == 0) {
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 7697 diff changeset	1649 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1650 "quic SSL_set_quic_method() failed");
7698 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 7697 diff changeset	1651 return NGX_ERROR;
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 7697 diff changeset	1652 }
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 7697 diff changeset	1653
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1654 #ifdef SSL_READ_EARLY_DATA_SUCCESS
8102 b52b2a33b0e5 QUIC: fixed build with OpenSSL after bed310672f39. Sergey Kandaurov <pluknet@nginx.com> parents: 8101 diff changeset	1655 if (SSL_CTX_get_max_early_data(qc->conf->ssl->ctx)) {
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1656 SSL_set_quic_early_data_enabled(ssl_conn, 1);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1657 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1658 #endif
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1659
8352 0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8322 diff changeset	1660 #if BORINGSSL_API_VERSION >= 13
0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8322 diff changeset	1661 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: 8322 diff changeset	1662 #endif
0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8322 diff changeset	1663
8287 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1664 if (ngx_quic_new_sr_token(c, &qc->dcid, qc->conf->sr_token_key,
8204 831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8201 diff changeset	1665 qc->tp.sr_token)
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8201 diff changeset	1666 != NGX_OK)
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8201 diff changeset	1667 {
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8201 diff changeset	1668 return NGX_ERROR;
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8201 diff changeset	1669 }
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8201 diff changeset	1670
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1671 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1672 "quic stateless reset token %*xs",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1673 (size_t) NGX_QUIC_SR_TOKEN_LEN, qc->tp.sr_token);
8100 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	1674
7917 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1675 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp, &clen);
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1676 /* always succeeds */
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1677
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1678 p = ngx_pnalloc(c->pool, len);
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1679 if (p == NULL) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1680 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1681 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1682
7917 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1683 len = ngx_quic_create_transport_params(p, p + len, &qc->tp, NULL);
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1684 if (len < 0) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1685 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1686 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1687
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	1688 #ifdef NGX_QUIC_DEBUG_PACKETS
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1689 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	1690 "quic transport parameters len:%uz %*xs", len, len, p);
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	1691 #endif
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	1692
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1693 if (SSL_set_quic_transport_params(ssl_conn, p, len) == 0) {
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1694 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1695 "quic SSL_set_quic_transport_params() failed");
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1696 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1697 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1698
7917 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1699 #if NGX_OPENSSL_QUIC_ZRTT_CTX
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1700 if (SSL_set_quic_early_data_context(ssl_conn, p, clen) == 0) {
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1701 ngx_log_error(NGX_LOG_INFO, c->log, 0,
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1702 "quic SSL_set_quic_early_data_context() failed");
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1703 return NGX_ERROR;
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1704 }
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1705 #endif
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1706
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1707 return NGX_OK;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1708 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1709
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1710
7931 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1711 static ngx_inline size_t
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1712 ngx_quic_max_udp_payload(ngx_connection_t *c)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1713 {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1714 /* TODO: path MTU discovery */
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1715
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1716 #if (NGX_HAVE_INET6)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1717 if (c->sockaddr->sa_family == AF_INET6) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1718 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT6;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1719 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1720 #endif
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1721
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1722 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1723 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1724
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1725
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1726 static void
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	1727 ngx_quic_input_handler(ngx_event_t *rev)
7677 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	1728 {
8083 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	1729 ngx_int_t rc;
8380 90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8359 diff changeset	1730 ngx_buf_t *b;
7737 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	1731 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	1732 ngx_quic_connection_t *qc;
7677 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	1733
8135 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8134 diff changeset	1734 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: 8134 diff changeset	1735
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1736 c = rev->data;
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	1737 qc = ngx_quic_get_connection(c);
7677 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	1738
8135 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8134 diff changeset	1739 c->log->action = "handling quic input";
7678 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 7677 diff changeset	1740
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1741 if (rev->timedout) {
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1742 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1743 "quic client timed out");
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1744 ngx_quic_close_connection(c, NGX_DONE);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1745 return;
7678 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 7677 diff changeset	1746 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 7677 diff changeset	1747
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1748 if (c->close) {
7937 b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 7934 diff changeset	1749 qc->error_reason = "graceful shutdown";
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 7934 diff changeset	1750 ngx_quic_close_connection(c, NGX_OK);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1751 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1752 }
7686 7ada2feeac18 Added processing of CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7684 diff changeset	1753
8380 90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8359 diff changeset	1754 if (!rev->ready) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1755 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1756 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1757 }
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1758 return;
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1759 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1760
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1761 if (qc->tp.disable_active_migration) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1762 if (c->socklen != qc->socklen
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1763 \|\| ngx_memcmp(c->sockaddr, qc->sockaddr, c->socklen) != 0)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1764 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1765 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1766 "quic dropping packet from new address");
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1767 return;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1768 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1769 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1770
8384 c61fcdc1b8e3 UDP: extended datagram context. Vladimir Homutov <vl@nginx.com> parents: 8380 diff changeset	1771 b = c->udp->dgram->buffer;
8380 90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8359 diff changeset	1772
90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8359 diff changeset	1773 qc->received += (b->last - b->pos);
90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8359 diff changeset	1774
90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8359 diff changeset	1775 rc = ngx_quic_input(c, b, NULL);
8083 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	1776
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	1777 if (rc == NGX_ERROR) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1778 ngx_quic_close_connection(c, NGX_ERROR);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1779 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1780 }
7737 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	1781
8083 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	1782 if (rc == NGX_DECLINED) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	1783 return;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	1784 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	1785
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	1786 /* rc == NGX_OK */
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	1787
7737 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	1788 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	1789 ngx_add_timer(rev, qc->tp.max_idle_timeout);
8166 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	1790
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	1791 ngx_quic_connstate_dbg(c);
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1792 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1793
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1794
8386 714e9af983de QUIC: separate header for ngx_quic_connection_t. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1795 void
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1796 ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc)
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1797 {
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	1798 ngx_pool_t *pool;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	1799 ngx_quic_connection_t *qc;
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	1800
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1801 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	1802 "quic ngx_quic_close_connection rc:%i", rc);
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1803
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	1804 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	1805
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	1806 if (qc == NULL) {
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1807 if (rc == NGX_ERROR) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1808 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8295 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	1809 "quic close connection early error");
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	1810 }
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1811
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1812 } else if (ngx_quic_close_quic(c, rc) == NGX_AGAIN) {
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1813 return;
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	1814 }
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1815
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1816 if (c->ssl) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1817 (void) ngx_ssl_shutdown(c);
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1818 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1819
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1820 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1821 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1822 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1823
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1824 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1825 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1826 #endif
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1827
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1828 c->destroyed = 1;
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1829
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1830 pool = c->pool;
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1831
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1832 ngx_close_connection(c);
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1833
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1834 ngx_destroy_pool(pool);
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1835 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1836
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1837
7659 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 7658 diff changeset	1838 static ngx_int_t
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1839 ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc)
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1840 {
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1841 ngx_uint_t i;
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1842 ngx_queue_t *q;
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1843 ngx_quic_send_ctx_t *ctx;
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1844 ngx_quic_server_id_t *sid;
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1845 ngx_quic_connection_t *qc;
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1846
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	1847 qc = ngx_quic_get_connection(c);
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1848
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1849 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1850
7875 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 7874 diff changeset	1851 /* drop packets from retransmit queues, no ack is expected */
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 7874 diff changeset	1852 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8236 e9bd4305e68b QUIC: fixed send contexts cleanup. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1853 ngx_quic_free_frames(c, &qc->send_ctx[i].sent);
7875 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 7874 diff changeset	1854 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 7874 diff changeset	1855
7877 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1856 if (rc == NGX_DONE) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1857
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1858 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1859 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1860 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1861 * 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: 7831 diff changeset	1862 * 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: 7831 diff changeset	1863 */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1864
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1865 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1866 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1867 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1868
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1869 } else {
7877 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1870
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1871 /*
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1872 * 10.3. Immediate Close
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1873 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1874 * An endpoint sends a CONNECTION_CLOSE frame (Section 19.19)
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1875 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1876 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1877
7993 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	1878 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: 7992 diff changeset	1879 : ssl_encryption_initial;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	1880
7877 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1881 if (rc == NGX_OK) {
8295 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	1882 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	1883 "quic immediate close drain:%d",
d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	1884 qc->draining);
7877 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1885
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1886 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1887 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1888 qc->close.handler = ngx_quic_close_timer_handler;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1889 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1890
7993 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	1891 ctx = ngx_quic_get_send_ctx(qc, qc->error_level);
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	1892
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	1893 ngx_add_timer(&qc->close, 3 * ngx_quic_pto(c, ctx));
7877 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1894
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1895 qc->error = NGX_QUIC_ERR_NO_ERROR;
7877 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1896
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1897 } else {
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1898 if (qc->error == 0 && !qc->error_app) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1899 qc->error = NGX_QUIC_ERR_INTERNAL_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1900 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1901
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1902 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	1903 "quic immediate close due to %s error: %ui %s",
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1904 qc->error_app ? "app " : "", qc->error,
7877 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1905 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1906 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1907
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1908 (void) ngx_quic_send_cc(c);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1909
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1910 if (qc->error_level == ssl_encryption_handshake) {
7877 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1911 /* for clients that might not have handshake keys */
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1912 qc->error_level = ssl_encryption_initial;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1913 (void) ngx_quic_send_cc(c);
7877 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1914 }
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1915 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1916
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1917 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1918 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1919
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1920 if (rc == NGX_ERROR && qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1921 /* do not wait for timer in case of fatal error */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1922 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1923 }
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1924
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1925 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1926 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1927 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1928
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1929 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1930 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1931 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1932
7990 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 7989 diff changeset	1933 if (qc->pto.timer_set) {
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 7989 diff changeset	1934 ngx_del_timer(&qc->pto);
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1935 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1936
7929 ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 7928 diff changeset	1937 if (qc->push.posted) {
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 7928 diff changeset	1938 ngx_delete_posted_event(&qc->push);
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 7928 diff changeset	1939 }
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 7928 diff changeset	1940
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1941 while (!ngx_queue_empty(&qc->server_ids)) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1942 q = ngx_queue_head(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1943 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1944
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1945 ngx_queue_remove(q);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1946 ngx_rbtree_delete(&c->listening->rbtree, &sid->udp.node);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1947 qc->nserver_ids--;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1948 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	1949
8091 dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8084 diff changeset	1950 if (qc->close.timer_set) {
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8084 diff changeset	1951 return NGX_AGAIN;
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8084 diff changeset	1952 }
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8084 diff changeset	1953
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1954 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1955 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1956
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1957 /* may be tested from SSL callback during SSL shutdown */
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	1958 c->udp = NULL;
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1959
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1960 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1961 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1962
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1963
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1964 void
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1965 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: 7945 diff changeset	1966 const char *reason)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1967 {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1968 ngx_quic_connection_t *qc;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1969
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	1970 qc = ngx_quic_get_connection(c);
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1971 qc->error = err;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1972 qc->error_reason = reason;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1973 qc->error_app = 1;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1974 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1975
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1976 ngx_quic_close_connection(c, NGX_ERROR);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1977 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1978
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	1979
8359 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1980 void
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1981 ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err,
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1982 const char *reason)
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1983 {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1984 ngx_quic_connection_t *qc;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1985
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1986 qc = ngx_quic_get_connection(c);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1987 qc->shutdown = 1;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1988 qc->shutdown_code = err;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1989 qc->shutdown_reason = reason;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1990
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1991 ngx_quic_shutdown_quic(c);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1992 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1993
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	1994
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1995 static void
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1996 ngx_quic_close_timer_handler(ngx_event_t *ev)
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1997 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1998 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1999
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2000 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic close timer");
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2001
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2002 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2003 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2004 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2005
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2006
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2007 static ngx_int_t
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2008 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: 7827 diff changeset	2009 {
8021 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	2010 ngx_event_t rev, wev;
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2011 ngx_rbtree_t *tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2012 ngx_rbtree_node_t *node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2013 ngx_quic_stream_t *qs;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2014
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2015 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2016 ngx_uint_t ns;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2017 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2018
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2019 tree = &qc->streams.tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2020
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2021 if (tree->root == tree->sentinel) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2022 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2023 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2024
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2025 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2026 ns = 0;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2027 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2028
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2029 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2030 node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2031 node = ngx_rbtree_next(tree, node))
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2032 {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2033 qs = (ngx_quic_stream_t *) node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2034
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2035 rev = qs->c->read;
8021 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	2036 rev->error = 1;
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2037 rev->ready = 1;
8021 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	2038
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	2039 wev = qs->c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	2040 wev->error = 1;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	2041 wev->ready = 1;
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2042
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2043 ngx_post_event(rev, &ngx_posted_events);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2044
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2045 if (rev->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2046 ngx_del_timer(rev);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2047 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2048
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2049 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2050 ns++;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2051 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2052 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2053
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2054 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2055 "quic connection has %ui active streams", ns);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2056
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2057 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2058 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2059
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2060
8296 d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2061 ngx_int_t
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2062 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: 8295 diff changeset	2063 {
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2064 ngx_event_t *wev;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2065 ngx_connection_t *pc;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2066 ngx_quic_frame_t *frame;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2067 ngx_quic_stream_t *qs;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2068 ngx_quic_connection_t *qc;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2069
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2070 qs = c->quic;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2071 pc = qs->parent;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2072 qc = ngx_quic_get_connection(pc);
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2073
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2074 frame = ngx_quic_alloc_frame(pc);
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2075 if (frame == NULL) {
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2076 return NGX_ERROR;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2077 }
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2078
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2079 frame->level = ssl_encryption_application;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2080 frame->type = NGX_QUIC_FT_RESET_STREAM;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2081 frame->u.reset_stream.id = qs->id;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2082 frame->u.reset_stream.error_code = err;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2083 frame->u.reset_stream.final_size = c->sent;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2084
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2085 ngx_quic_queue_frame(qc, frame);
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2086
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2087 wev = c->write;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2088 wev->error = 1;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2089 wev->ready = 1;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2090
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2091 return NGX_OK;
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2092 }
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2093
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	2094
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	2095 static ngx_int_t
8101 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8100 diff changeset	2096 ngx_quic_input(ngx_connection_t c, ngx_buf_t b, ngx_quic_conf_t *conf)
7659 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 7658 diff changeset	2097 {
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2098 u_char *p;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2099 ngx_int_t rc;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2100 ngx_uint_t good;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2101 ngx_quic_header_t pkt;
7659 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 7658 diff changeset	2102
8083 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	2103 good = 0;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	2104
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	2105 p = b->pos;
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	2106
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	2107 while (p < b->last) {
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	2108
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2109 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2110 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2111 pkt.data = p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2112 pkt.len = b->last - p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2113 pkt.log = c->log;
7717 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 7713 diff changeset	2114 pkt.flags = p[0];
8097 a89a58c642ef QUIC: simplified packet header parsing. Vladimir Homutov <vl@nginx.com> parents: 8096 diff changeset	2115 pkt.raw->pos++;
7659 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 7658 diff changeset	2116
8101 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8100 diff changeset	2117 rc = ngx_quic_process_packet(c, conf, &pkt);
7659 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 7658 diff changeset	2118
8139 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8138 diff changeset	2119 #if (NGX_DEBUG)
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8138 diff changeset	2120 if (pkt.parsed) {
8166 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	2121 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
8168 f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs. Vladimir Homutov <vl@nginx.com> parents: 8167 diff changeset	2122 "quic packet %s done decr:%d pn:%L perr:%ui rc:%i",
8139 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8138 diff changeset	2123 ngx_quic_level_name(pkt.level), pkt.decrypted,
8166 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	2124 pkt.pn, pkt.error, rc);
8139 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8138 diff changeset	2125 } else {
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8138 diff changeset	2126 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8168 f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs. Vladimir Homutov <vl@nginx.com> parents: 8167 diff changeset	2127 "quic packet done parse failed rc:%i", rc);
8139 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8138 diff changeset	2128 }
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8138 diff changeset	2129 #endif
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8138 diff changeset	2130
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2131 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2132 return NGX_ERROR;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2133 }
7672 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 7671 diff changeset	2134
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2135 if (rc == NGX_DONE) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2136 /* stop further processing */
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2137 return NGX_DECLINED;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2138 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2139
8083 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	2140 if (rc == NGX_OK) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	2141 good = 1;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	2142 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	2143
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2144 /* NGX_OK \|\| NGX_DECLINED */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2145
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2146 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2147 * we get NGX_DECLINED when there are no keys [yet] available
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2148 * to decrypt packet.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2149 * Instead of queueing it, we ignore it and rely on the sender's
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2150 * retransmission:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2151 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2152 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2153 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2154 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2155 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2156 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2157 * attempt to process the remaining packets.
8073 eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8071 diff changeset	2158 *
eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8071 diff changeset	2159 * We also skip packets that don't match connection state
eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8071 diff changeset	2160 * or cannot be parsed properly.
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2161 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2162
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2163 /* b->pos is at header end, adjust by actual packet length */
8096 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8095 diff changeset	2164 b->pos = pkt.data + pkt.len;
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2165
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2166 /* firefox workaround: skip zero padding at the end of quic packet */
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2167 while (b->pos < b->last && *(b->pos) == 0) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2168 b->pos++;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2169 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2170
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2171 p = b->pos;
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	2172 }
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	2173
8083 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8079 diff changeset	2174 return good ? NGX_OK : NGX_DECLINED;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	2175 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	2176
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	2177
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	2178 static ngx_int_t
8101 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8100 diff changeset	2179 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: 8100 diff changeset	2180 ngx_quic_header_t *pkt)
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	2181 {
8074 c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8073 diff changeset	2182 ngx_int_t rc;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	2183 ngx_quic_connection_t *qc;
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2184
8135 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8134 diff changeset	2185 c->log->action = "parsing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8134 diff changeset	2186
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2187 rc = ngx_quic_parse_packet(pkt);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2188
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2189 if (rc == NGX_DECLINED \|\| rc == NGX_ERROR) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2190 return rc;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	2191 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	2192
8139 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8138 diff changeset	2193 pkt->parsed = 1;
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8138 diff changeset	2194
8135 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8134 diff changeset	2195 c->log->action = "processing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8134 diff changeset	2196
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	2197 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	2198 "quic packet rx dcid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	2199 pkt->dcid.len, &pkt->dcid);
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	2200
8137 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8136 diff changeset	2201 #if (NGX_DEBUG)
52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8136 diff changeset	2202 if (pkt->level != ssl_encryption_application) {
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	2203 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	2204 "quic packet rx scid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	2205 pkt->scid.len, &pkt->scid);
8137 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8136 diff changeset	2206 }
8211 fe53def49945 QUIC: refactored long header parsing. Sergey Kandaurov <pluknet@nginx.com> parents: 8209 diff changeset	2207
fe53def49945 QUIC: refactored long header parsing. Sergey Kandaurov <pluknet@nginx.com> parents: 8209 diff changeset	2208 if (pkt->level == ssl_encryption_initial) {
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	2209 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8287 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	2210 "quic address validation token len:%uz %xV",
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	2211 pkt->token.len, &pkt->token);
8211 fe53def49945 QUIC: refactored long header parsing. Sergey Kandaurov <pluknet@nginx.com> parents: 8209 diff changeset	2212 }
8137 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8136 diff changeset	2213 #endif
52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8136 diff changeset	2214
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2215 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2216
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2217 if (qc) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2218
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2219 if (rc == NGX_ABORT) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2220 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2221 "quic unsupported version: 0x%xD", pkt->version);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2222 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2223 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2224
8194 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8193 diff changeset	2225 if (pkt->level != ssl_encryption_application) {
8281 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2226
8194 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8193 diff changeset	2227 if (pkt->version != qc->version) {
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8193 diff changeset	2228 ngx_log_error(NGX_LOG_INFO, c->log, 0,
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8193 diff changeset	2229 "quic version mismatch: 0x%xD", pkt->version);
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8193 diff changeset	2230 return NGX_DECLINED;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8193 diff changeset	2231 }
8281 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2232
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2233 if (ngx_quic_check_csid(qc, pkt) != NGX_OK) {
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2234 return NGX_DECLINED;
8100 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	2235 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	2236
8281 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2237 } else {
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2238
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2239 if (ngx_quic_process_stateless_reset(c, pkt) == NGX_OK) {
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2240 ngx_log_error(NGX_LOG_INFO, c->log, 0,
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2241 "quic stateless reset packet detected");
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2242
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2243 qc->draining = 1;
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2244 ngx_quic_close_connection(c, NGX_OK);
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2245
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2246 return NGX_OK;
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2247 }
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2248 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2249
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2250 return ngx_quic_process_payload(c, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2251 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2252
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2253 /* packet does not belong to a connection */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2254
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2255 if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2256 return ngx_quic_negotiate_version(c, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2257 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2258
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2259 if (pkt->level == ssl_encryption_application) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2260 return ngx_quic_send_stateless_reset(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2261 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2262
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2263 if (pkt->level != ssl_encryption_initial) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2264 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2265 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2266
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2267 c->log->action = "processing initial packet";
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2268
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2269 if (pkt->dcid.len < NGX_QUIC_CID_LEN_MIN) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2270 /* 7.2. Negotiating Connection IDs */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2271 ngx_log_error(NGX_LOG_INFO, c->log, 0,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2272 "quic too short dcid in initial"
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2273 " packet: len:%i", pkt->dcid.len);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2274 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2275 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2276
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2277 /* process retry and initialize connection IDs */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2278
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2279 if (pkt->token.len) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2280
8287 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	2281 rc = ngx_quic_validate_token(c, conf->av_token_key, pkt);
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2282
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2283 if (rc == NGX_ERROR) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2284 /* internal error */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2285 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2286
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2287 } else if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2288 /* token cannot be decrypted */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2289 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2290 NGX_QUIC_ERR_INVALID_TOKEN,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2291 "cannot decrypt token");
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2292 } else if (rc == NGX_DECLINED) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2293 /* token is invalid */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2294
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2295 if (pkt->retried) {
8287 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	2296 /* invalid address validation token */
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2297 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2298 NGX_QUIC_ERR_INVALID_TOKEN,
8287 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	2299 "invalid address validation token");
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2300 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2301 /* invalid NEW_TOKEN */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2302 return ngx_quic_send_retry(c, conf, pkt);
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2303 }
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2304 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2305
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2306 /* NGX_OK */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2307
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2308 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2309 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2310
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2311 } else {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2312 pkt->odcid = pkt->dcid;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2313 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2314
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2315 if (ngx_terminate \|\| ngx_exiting) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2316 if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2317 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2318 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2319
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2320 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2321 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2322
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2323 c->log->action = "creating quic connection";
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2324
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2325 qc = ngx_quic_new_connection(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2326 if (qc == NULL) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2327 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2328 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2329
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2330 return ngx_quic_process_payload(c, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2331 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2332
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2333
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2334 static ngx_int_t
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2335 ngx_quic_process_payload(ngx_connection_t c, ngx_quic_header_t pkt)
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2336 {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2337 ngx_int_t rc;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2338 ngx_quic_send_ctx_t *ctx;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2339 ngx_quic_connection_t *qc;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2340 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2341
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2342 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2343
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2344 qc->error = 0;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2345 qc->error_reason = 0;
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2346
8135 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8134 diff changeset	2347 c->log->action = "decrypting packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8134 diff changeset	2348
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2349 if (!ngx_quic_keys_available(qc->keys, pkt->level)) {
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2350 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2351 "quic no level %d keys yet, ignoring packet", pkt->level);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2352 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2353 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2354
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2355 pkt->keys = qc->keys;
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2356 pkt->key_phase = qc->key_phase;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	2357 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	2358
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	2359 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	2360
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2361 rc = ngx_quic_decrypt(pkt, &ctx->largest_pn);
8074 c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8073 diff changeset	2362 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8073 diff changeset	2363 qc->error = pkt->error;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8073 diff changeset	2364 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: 8073 diff changeset	2365 return rc;
7689 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	2366 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	2367
8139 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8138 diff changeset	2368 pkt->decrypted = 1;
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8138 diff changeset	2369
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2370 if (c->ssl == NULL) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2371 if (ngx_quic_init_connection(c) != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2372 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2373 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2374 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2375
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2376 if (pkt->level == ssl_encryption_handshake) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2377 /*
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2378 * 4.10.1. The successful use of Handshake packets indicates
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2379 * that no more Initial packets need to be exchanged
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2380 */
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2381 ngx_quic_discard_ctx(c, ssl_encryption_initial);
8170 e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8169 diff changeset	2382
e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8169 diff changeset	2383 if (qc->validated == 0) {
e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8169 diff changeset	2384 qc->validated = 1;
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	2385 ngx_post_event(&qc->push, &ngx_posted_events);
8170 e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8169 diff changeset	2386 }
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2387 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2388
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2389 if (qc->closing) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2390 /*
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2391 * 10.1 Closing and Draining Connection States
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2392 * ... delayed or reordered packets are properly discarded.
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2393 *
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2394 * An endpoint retains only enough information to generate
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2395 * a packet containing a CONNECTION_CLOSE frame and to identify
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2396 * packets as belonging to the connection.
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2397 */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2398
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2399 qc->error_level = pkt->level;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2400 qc->error = NGX_QUIC_ERR_NO_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2401 qc->error_reason = "connection is closing, packet discarded";
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2402 qc->error_ftype = 0;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2403 qc->error_app = 0;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2404
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2405 return ngx_quic_send_cc(c);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2406 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2407
8162 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2408 pkt->received = ngx_current_msec;
8133 1d4417e4f2d0 QUIC: fixed measuring ACK Delay against 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8132 diff changeset	2409
8135 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8134 diff changeset	2410 c->log->action = "handling payload";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8134 diff changeset	2411
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2412 if (pkt->level != ssl_encryption_application) {
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2413 return ngx_quic_handle_frames(c, pkt);
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2414 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2415
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2416 if (!pkt->key_update) {
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2417 return ngx_quic_handle_frames(c, pkt);
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2418 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2419
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2420 /* switch keys and generate next on Key Phase change */
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2421
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2422 qc->key_phase ^= 1;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2423 ngx_quic_keys_switch(c, qc->keys);
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2424
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2425 rc = ngx_quic_handle_frames(c, pkt);
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2426 if (rc != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2427 return rc;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2428 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2429
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2430 return ngx_quic_keys_update(c, qc->keys);
7689 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	2431 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	2432
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	2433
8099 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	2434 static ngx_int_t
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2435 ngx_quic_send_early_cc(ngx_connection_t c, ngx_quic_header_t inpkt,
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2436 ngx_uint_t err, const char *reason)
8099 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	2437 {
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2438 ssize_t len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2439 ngx_str_t res;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2440 ngx_quic_frame_t frame;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2441 ngx_quic_header_t pkt;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2442
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2443 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2444 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2445
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2446 ngx_memzero(&frame, sizeof(ngx_quic_frame_t));
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2447 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2448
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2449 frame.level = inpkt->level;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2450 frame.type = NGX_QUIC_FT_CONNECTION_CLOSE;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2451 frame.u.close.error_code = err;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2452
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2453 frame.u.close.reason.data = (u_char *) reason;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2454 frame.u.close.reason.len = ngx_strlen(reason);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2455
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2456 len = ngx_quic_create_frame(NULL, &frame);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2457 if (len > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2458 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2459 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2460
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2461 ngx_quic_log_frame(c->log, &frame, 1);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2462
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2463 len = ngx_quic_create_frame(src, &frame);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2464 if (len == -1) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2465 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2466 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2467
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2468 pkt.keys = ngx_quic_keys_new(c->pool);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2469 if (pkt.keys == NULL) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2470 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2471 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2472
8322 44b4c6180106 QUIC: multiple versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8321 diff changeset	2473 if (ngx_quic_keys_set_initial_secret(c->pool, pkt.keys, &inpkt->dcid,
44b4c6180106 QUIC: multiple versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8321 diff changeset	2474 inpkt->version)
8099 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	2475 != NGX_OK)
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	2476 {
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	2477 return NGX_ERROR;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	2478 }
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	2479
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2480 pkt.flags = NGX_QUIC_PKT_FIXED_BIT \| NGX_QUIC_PKT_LONG
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2481 \| NGX_QUIC_PKT_INITIAL;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2482
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2483 pkt.num_len = 1;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2484 /*
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2485 * pkt.num = 0;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2486 * pkt.trunc = 0;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2487 */
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2488
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2489 pkt.version = inpkt->version;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2490 pkt.log = c->log;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2491 pkt.level = inpkt->level;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2492 pkt.dcid = inpkt->scid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2493 pkt.scid = inpkt->dcid;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2494 pkt.payload.data = src;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2495 pkt.payload.len = len;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2496
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2497 res.data = dst;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2498
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2499 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2500 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2501 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2502
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2503 if (ngx_quic_send(c, res.data, res.len) == NGX_ERROR) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2504 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	2505 }
8099 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	2506
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	2507 return NGX_OK;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	2508 }
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	2509
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	2510
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2511 static void
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2512 ngx_quic_discard_ctx(ngx_connection_t *c, enum ssl_encryption_level_t level)
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	2513 {
8025 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8024 diff changeset	2514 ngx_queue_t *q;
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8024 diff changeset	2515 ngx_quic_frame_t *f;
7816 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	2516 ngx_quic_send_ctx_t *ctx;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	2517 ngx_quic_connection_t *qc;
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	2518
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	2519 qc = ngx_quic_get_connection(c);
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	2520
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2521 if (!ngx_quic_keys_available(qc->keys, level)) {
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2522 return;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2523 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2524
8191 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2525 ngx_quic_keys_discard(qc->keys, level);
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8190 diff changeset	2526
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2527 qc->pto_count = 0;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2528
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2529 ctx = ngx_quic_get_send_ctx(qc, level);
8025 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8024 diff changeset	2530
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8024 diff changeset	2531 while (!ngx_queue_empty(&ctx->sent)) {
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8024 diff changeset	2532 q = ngx_queue_head(&ctx->sent);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8024 diff changeset	2533 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8024 diff changeset	2534
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8024 diff changeset	2535 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: 8024 diff changeset	2536 ngx_quic_congestion_ack(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8024 diff changeset	2537 ngx_quic_free_frame(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8024 diff changeset	2538 }
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2539
8171 b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8170 diff changeset	2540 while (!ngx_queue_empty(&ctx->frames)) {
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8170 diff changeset	2541 q = ngx_queue_head(&ctx->frames);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8170 diff changeset	2542 ngx_queue_remove(q);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8170 diff changeset	2543
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8170 diff changeset	2544 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8170 diff changeset	2545 ngx_quic_congestion_ack(c, f);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8170 diff changeset	2546 ngx_quic_free_frame(c, f);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8170 diff changeset	2547 }
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8170 diff changeset	2548
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2549 if (level == ssl_encryption_initial) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2550 ngx_quic_clear_temp_server_ids(c);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2551 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2552
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2553 ctx->send_ack = 0;
8290 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	2554
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	2555 ngx_quic_set_lost_timer(c);
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	2556 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	2557
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	2558
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	2559 static ngx_int_t
8281 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	2560 ngx_quic_check_csid(ngx_quic_connection_t qc, ngx_quic_header_t pkt)
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	2561 {
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2562 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2563 ngx_quic_client_id_t *cid;
7858 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7857 diff changeset	2564
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2565 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2566 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2567 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2568 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2569 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: 8074 diff changeset	2570
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2571 if (pkt->scid.len == cid->len
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2572 && ngx_memcmp(pkt->scid.data, cid->id, cid->len) == 0)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2573 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2574 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2575 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2576 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2577
8098 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2578 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scid");
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8097 diff changeset	2579 return NGX_ERROR;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	2580 }
7637 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	2581
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	2582
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2583 static ngx_int_t
8280 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2584 ngx_quic_handle_frames(ngx_connection_t c, ngx_quic_header_t pkt)
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2585 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2586 u_char end, p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2587 ssize_t len;
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	2588 ngx_buf_t buf;
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2589 ngx_uint_t do_close;
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	2590 ngx_chain_t chain;
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2591 ngx_quic_frame_t frame;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2592 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2593
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	2594 qc = ngx_quic_get_connection(c);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2595
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2596 p = pkt->payload.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2597 end = p + pkt->payload.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2598
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2599 do_close = 0;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2600
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2601 while (p < end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2602
7741 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	2603 c->log->action = "parsing frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	2604
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	2605 ngx_memzero(&buf, sizeof(ngx_buf_t));
8243 d9f673d18e9b QUIC: set the temporary flag for input frame buffers. Roman Arutyunyan <arut@nginx.com> parents: 8242 diff changeset	2606 buf.temporary = 1;
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	2607
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	2608 chain.buf = &buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	2609 chain.next = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	2610 frame.data = &chain;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	2611
7706 1f002206a59b Added boundaries checks into frame parser. Vladimir Homutov <vl@nginx.com> parents: 7705 diff changeset	2612 len = ngx_quic_parse_frame(pkt, p, end, &frame);
7717 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 7713 diff changeset	2613
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2614 if (len < 0) {
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	2615 qc->error = pkt->error;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2616 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2617 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2618
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	2619 ngx_quic_log_frame(c->log, &frame, 0);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	2620
7741 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	2621 c->log->action = "handling frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	2622
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2623 p += len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2624
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2625 switch (frame.type) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2626
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2627 case NGX_QUIC_FT_ACK:
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	2628 if (ngx_quic_handle_ack_frame(c, pkt, &frame) != NGX_OK) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2629 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2630 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2631
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2632 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2633
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2634 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2635 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2636 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2637
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2638 case NGX_QUIC_FT_CONNECTION_CLOSE:
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	2639 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2640 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2641 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2642 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2643
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2644 /* got there with ack-eliciting packet */
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2645 pkt->need_ack = 1;
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2646
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2647 switch (frame.type) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2648
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2649 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2650
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2651 if (ngx_quic_handle_crypto_frame(c, pkt, &frame) != NGX_OK) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2652 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2653 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2654
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2655 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2656
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2657 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2658 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2659
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2660 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2661 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2662 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2663 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2664 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2665 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2666 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2667 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2668
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2669 if (ngx_quic_handle_stream_frame(c, pkt, &frame) != NGX_OK) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2670 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2671 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2672
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2673 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2674
7703 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7702 diff changeset	2675 case NGX_QUIC_FT_MAX_DATA:
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2676
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2677 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: 7841 diff changeset	2678 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2679 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2680 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2681
7703 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7702 diff changeset	2682 break;
ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7702 diff changeset	2683
7702 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 7701 diff changeset	2684 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 7701 diff changeset	2685 case NGX_QUIC_FT_STREAMS_BLOCKED2:
7711 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2686
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2687 if (ngx_quic_handle_streams_blocked_frame(c, pkt,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2688 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2689 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2690 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2691 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2692 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2693
7702 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 7701 diff changeset	2694 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 7701 diff changeset	2695
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2696 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2697
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2698 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: 7731 diff changeset	2699 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2700 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2701 {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2702 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2703 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2704
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2705 break;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2706
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2707 case NGX_QUIC_FT_MAX_STREAM_DATA:
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2708
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2709 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: 7841 diff changeset	2710 &frame.u.max_stream_data)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2711 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2712 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2713 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2714 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2715
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2716 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2717
7923 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2718 case NGX_QUIC_FT_RESET_STREAM:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2719
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2720 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: 7922 diff changeset	2721 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2722 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2723 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2724 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2725 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2726
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2727 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2728
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2729 case NGX_QUIC_FT_STOP_SENDING:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2730
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2731 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: 7922 diff changeset	2732 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2733 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2734 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2735 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2736 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2737
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2738 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2739
8013 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	2740 case NGX_QUIC_FT_MAX_STREAMS:
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	2741 case NGX_QUIC_FT_MAX_STREAMS2:
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	2742
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	2743 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: 8004 diff changeset	2744 != NGX_OK)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	2745 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	2746 return NGX_ERROR;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	2747 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	2748
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	2749 break;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	2750
8069 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8068 diff changeset	2751 case NGX_QUIC_FT_PATH_CHALLENGE:
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8068 diff changeset	2752
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8068 diff changeset	2753 if (ngx_quic_handle_path_challenge_frame(c, pkt,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8068 diff changeset	2754 &frame.u.path_challenge)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8068 diff changeset	2755 != NGX_OK)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8068 diff changeset	2756 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8068 diff changeset	2757 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8068 diff changeset	2758 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8068 diff changeset	2759
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8068 diff changeset	2760 break;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8068 diff changeset	2761
8387 76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	2762 case NGX_QUIC_FT_PATH_RESPONSE:
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	2763
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	2764 if (ngx_quic_handle_path_response_frame(c, pkt,
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	2765 &frame.u.path_response)
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	2766 != NGX_OK)
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	2767 {
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	2768 return NGX_ERROR;
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	2769 }
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	2770
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	2771 break;
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	2772
7791 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 7788 diff changeset	2773 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2774
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2775 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: 8074 diff changeset	2776 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2777 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2778 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2779 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2780
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2781 break;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	2782
7791 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 7788 diff changeset	2783 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2784
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2785 if (ngx_quic_handle_retire_connection_id_frame(c, pkt,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2786 &frame.u.retire_cid)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2787 != NGX_OK)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2788 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2789 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2790 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2791
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2792 break;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	2793
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2794 default:
7823 4e4485793418 Added MAX_STREAM_DATA stub handler. Vladimir Homutov <vl@nginx.com> parents: 7822 diff changeset	2795 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2796 "quic missing frame handler");
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2797 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2798 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2799 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2800
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2801 if (p != end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2802 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	2803 "quic trailing garbage in payload:%ui bytes", end - p);
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	2804
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	2805 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2806 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2807 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2808
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2809 if (do_close) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2810 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2811 ngx_quic_close_connection(c, NGX_OK);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2812 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2813
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2814 if (ngx_quic_ack_packet(c, pkt) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2815 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2816 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2817
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2818 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2819 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2820
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2821
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2822 static ngx_int_t
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2823 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: 8154 diff changeset	2824 {
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	2825 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: 8198 diff changeset	2826 uint64_t prev_pending;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	2827 ngx_uint_t i, nr;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	2828 ngx_quic_send_ctx_t *ctx;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	2829 ngx_quic_ack_range_t *r;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	2830 ngx_quic_connection_t *qc;
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2831
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2832 c->log->action = "preparing ack";
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2833
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	2834 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	2835
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	2836 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2837
8158 c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8157 diff changeset	2838 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8193 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	2839 "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: 8192 diff changeset	2840 " nranges:%ui", pkt->pn, (int64_t) ctx->largest_range,
8158 c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8157 diff changeset	2841 ctx->first_range, ctx->nranges);
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2842
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2843 prev_pending = ctx->pending_ack;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2844
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2845 if (pkt->need_ack) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2846
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	2847 ngx_post_event(&qc->push, &ngx_posted_events);
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2848
8162 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2849 if (ctx->send_ack == 0) {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2850 ctx->ack_delay_start = ngx_current_msec;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2851 }
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2852
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2853 ctx->send_ack++;
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2854
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	2855 if (ctx->pending_ack == NGX_QUIC_UNSET_PN
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2856 \|\| ctx->pending_ack < pkt->pn)
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2857 {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2858 ctx->pending_ack = pkt->pn;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2859 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2860 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2861
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2862 base = ctx->largest_range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2863 pn = pkt->pn;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2864
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	2865 if (base == NGX_QUIC_UNSET_PN) {
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2866 ctx->largest_range = pn;
8162 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2867 ctx->largest_received = pkt->received;
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2868 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2869 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2870
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2871 if (base == pn) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2872 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2873 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2874
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2875 largest = base;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2876 smallest = largest - ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2877
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2878 if (pn > base) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2879
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2880 if (pn - base == 1) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2881 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2882 ctx->largest_range = pn;
8162 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2883 ctx->largest_received = pkt->received;
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2884
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2885 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2886
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2887 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2888 /* new gap in front of current largest */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2889
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2890 /* no place for new range, send current range as is */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2891 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2892
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	2893 if (prev_pending != NGX_QUIC_UNSET_PN) {
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2894 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2895 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2896 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2897 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2898
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2899 if (prev_pending == ctx->pending_ack \|\| !pkt->need_ack) {
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	2900 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2901 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2902 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2903
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2904 gap = pn - base - 2;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2905 range = ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2906
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2907 ctx->first_range = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2908 ctx->largest_range = pn;
8162 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2909 ctx->largest_received = pkt->received;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2910
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2911 /* packet is out of order, force send */
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2912 if (pkt->need_ack) {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2913 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2914 }
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2915
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2916 i = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2917
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2918 goto insert;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2919 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2920 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2921
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2922 /* pn < base, perform lookup in existing ranges */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2923
8162 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2924 /* packet is out of order */
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2925 if (pkt->need_ack) {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2926 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2927 }
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	2928
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2929 if (pn >= smallest && pn <= largest) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2930 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2931 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2932
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2933 #if (NGX_SUPPRESS_WARN)
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2934 r = NULL;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2935 #endif
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2936
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2937 for (i = 0; i < ctx->nranges; i++) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2938 r = &ctx->ranges[i];
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2939
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2940 ge = smallest - 1;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2941 gs = ge - r->gap;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2942
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2943 if (pn >= gs && pn <= ge) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2944
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2945 if (gs == ge) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2946 /* gap size is exactly one packet, now filled */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2947
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2948 /* data moves to previous range, current is removed */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2949
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2950 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2951 ctx->first_range += r->range + 2;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2952
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2953 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2954 ctx->ranges[i - 1].range += r->range + 2;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2955 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2956
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2957 nr = ctx->nranges - i - 1;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2958 if (nr) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2959 ngx_memmove(&ctx->ranges[i], &ctx->ranges[i + 1],
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2960 sizeof(ngx_quic_ack_range_t) * nr);
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2961 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2962
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2963 ctx->nranges--;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2964
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2965 } else if (pn == gs) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2966 /* current gap shrinks from tail (current range grows) */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2967 r->gap--;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2968 r->range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2969
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2970 } else if (pn == ge) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2971 /* current gap shrinks from head (previous range grows) */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2972 r->gap--;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2973
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2974 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2975 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2976
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2977 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2978 ctx->ranges[i - 1].range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2979 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2980
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2981 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2982 /* current gap is split into two parts */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2983
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2984 gap = ge - pn - 1;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2985 range = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2986
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2987 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	2988 if (prev_pending != NGX_QUIC_UNSET_PN) {
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2989 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2990 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2991 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2992 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2993
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2994 if (prev_pending == ctx->pending_ack \|\| !pkt->need_ack) {
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	2995 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2996 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2997 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2998
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	2999 r->gap = pn - gs - 1;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3000 goto insert;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3001 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3002
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3003 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3004 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3005
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3006 largest = smallest - r->gap - 2;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3007 smallest = largest - r->range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3008
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3009 if (pn >= smallest && pn <= largest) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3010 /* this packet number is already known */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3011 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3012 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3013
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3014 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3015
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3016 if (pn == smallest - 1) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3017 /* extend first or last range */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3018
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3019 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3020 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3021
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3022 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3023 r->range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3024 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3025
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3026 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3027 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3028
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3029 /* nothing found, add new range at the tail */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3030
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3031 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3032 /* packet is too old to keep it */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3033
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3034 if (pkt->need_ack) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3035 return ngx_quic_send_ack_range(c, ctx, pn, pn);
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3036 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3037
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3038 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3039 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3040
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3041 gap = smallest - 2 - pn;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3042 range = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3043
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3044 insert:
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3045
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3046 if (ctx->nranges < NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3047 ctx->nranges++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3048 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3049
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3050 ngx_memmove(&ctx->ranges[i + 1], &ctx->ranges[i],
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3051 sizeof(ngx_quic_ack_range_t) * (ctx->nranges - i - 1));
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3052
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3053 ctx->ranges[i].gap = gap;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3054 ctx->ranges[i].range = range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3055
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3056 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3057 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3058
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3059
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3060 static ngx_int_t
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3061 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: 8154 diff changeset	3062 uint64_t smallest, uint64_t largest)
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	3063 {
8405 0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function. Vladimir Homutov <vl@nginx.com> parents: 8404 diff changeset	3064 ngx_quic_frame_t *frame;
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function. Vladimir Homutov <vl@nginx.com> parents: 8404 diff changeset	3065 ngx_quic_connection_t *qc;
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function. Vladimir Homutov <vl@nginx.com> parents: 8404 diff changeset	3066
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function. Vladimir Homutov <vl@nginx.com> parents: 8404 diff changeset	3067 qc = ngx_quic_get_connection(c);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3068
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3069 frame = ngx_quic_alloc_frame(c);
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	3070 if (frame == NULL) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3071 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3072 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3073
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3074 frame->level = ctx->level;
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	3075 frame->type = NGX_QUIC_FT_ACK;
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3076 frame->u.ack.largest = largest;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3077 frame->u.ack.delay = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3078 frame->u.ack.range_count = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3079 frame->u.ack.first_range = largest - smallest;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3080
8405 0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function. Vladimir Homutov <vl@nginx.com> parents: 8404 diff changeset	3081 ngx_quic_queue_frame(qc, frame);
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function. Vladimir Homutov <vl@nginx.com> parents: 8404 diff changeset	3082
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3083 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3084 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3085
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3086
8156 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3087 static void
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3088 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: 8155 diff changeset	3089 uint64_t pn)
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3090 {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3091 uint64_t base;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3092 ngx_uint_t i, smallest, largest;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3093 ngx_quic_ack_range_t *r;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3094
8158 c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8157 diff changeset	3095 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	3096 "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: 8163 diff changeset	3097 " fr:%uL nranges:%ui", pn, ctx->largest_range,
8158 c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8157 diff changeset	3098 ctx->first_range, ctx->nranges);
c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8157 diff changeset	3099
8156 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3100 base = ctx->largest_range;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3101
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	3102 if (base == NGX_QUIC_UNSET_PN) {
8156 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3103 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3104 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3105
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	3106 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: 8156 diff changeset	3107 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8156 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3108 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3109
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3110 largest = base;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3111 smallest = largest - ctx->first_range;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3112
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3113 if (pn >= largest) {
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	3114 ctx->largest_range = NGX_QUIC_UNSET_PN;
8156 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3115 ctx->first_range = 0;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3116 ctx->nranges = 0;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3117 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3118 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3119
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3120 if (pn >= smallest) {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3121 ctx->first_range = largest - pn - 1;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3122 ctx->nranges = 0;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3123 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3124 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3125
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3126 for (i = 0; i < ctx->nranges; i++) {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3127 r = &ctx->ranges[i];
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3128
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3129 largest = smallest - r->gap - 2;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3130 smallest = largest - r->range;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3131
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3132 if (pn >= largest) {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3133 ctx->nranges = i;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3134 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3135 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3136 if (pn >= smallest) {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3137 r->range = largest - pn - 1;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3138 ctx->nranges = i + 1;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3139 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3140 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3141 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3142 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3143
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3144
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3145 static ngx_int_t
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3146 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: 8154 diff changeset	3147 {
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3148 size_t len, left;
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3149 uint64_t ack_delay;
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3150 ngx_buf_t *b;
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3151 ngx_uint_t i;
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3152 ngx_chain_t cl, *ll;
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3153 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3154 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3155
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3156 qc = ngx_quic_get_connection(c);
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3157
8246 b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels. Roman Arutyunyan <arut@nginx.com> parents: 8245 diff changeset	3158 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: 8245 diff changeset	3159 ack_delay *= 1000;
8286 3956bbf91002 QUIC: use server ack_delay_exponent when sending ack. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3160 ack_delay >>= qc->tp.ack_delay_exponent;
8162 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	3161
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3162 frame = ngx_quic_alloc_frame(c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3163 if (frame == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3164 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3165 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3166
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3167 ll = &frame->data;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3168 b = NULL;
8172 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8171 diff changeset	3169
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8171 diff changeset	3170 for (i = 0; i < ctx->nranges; i++) {
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3171 len = ngx_quic_create_ack_range(NULL, ctx->ranges[i].gap,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3172 ctx->ranges[i].range);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3173
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3174 left = b ? b->end - b->last : 0;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3175
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3176 if (left < len) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3177 cl = ngx_quic_alloc_buf(c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3178 if (cl == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3179 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3180 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3181
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3182 *ll = cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3183 ll = &cl->next;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3184
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3185 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3186 left = b->end - b->last;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3187
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3188 if (left < len) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3189 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3190 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3191 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3192
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3193 b->last += ngx_quic_create_ack_range(b->last, ctx->ranges[i].gap,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3194 ctx->ranges[i].range);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3195
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3196 frame->u.ack.ranges_length += len;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3197 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3198
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3199 *ll = NULL;
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3200
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3201 frame->level = ctx->level;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3202 frame->type = NGX_QUIC_FT_ACK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3203 frame->u.ack.largest = ctx->largest_range;
8162 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8161 diff changeset	3204 frame->u.ack.delay = ack_delay;
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3205 frame->u.ack.range_count = ctx->nranges;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3206 frame->u.ack.first_range = ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	3207
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3208 ngx_quic_queue_frame(qc, frame);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3209
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3210 return NGX_OK;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3211 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3212
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3213
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3214 static ngx_int_t
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	3215 ngx_quic_send_cc(ngx_connection_t *c)
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3216 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3217 ngx_quic_frame_t *frame;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3218 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3219
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3220 qc = ngx_quic_get_connection(c);
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3221
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3222 if (qc->draining) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3223 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3224 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3225
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3226 if (qc->closing
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3227 && 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: 7831 diff changeset	3228 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3229 /* dot not send CC too often */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3230 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3231 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3232
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3233 frame = ngx_quic_alloc_frame(c);
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3234 if (frame == NULL) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3235 return NGX_ERROR;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3236 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3237
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	3238 frame->level = qc->error_level;
8285 0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t. Sergey Kandaurov <pluknet@nginx.com> parents: 8281 diff changeset	3239 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: 8281 diff changeset	3240 : NGX_QUIC_FT_CONNECTION_CLOSE;
7953 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	3241 frame->u.close.error_code = qc->error;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	3242 frame->u.close.frame_type = qc->error_ftype;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	3243
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	3244 if (qc->error_reason) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	3245 frame->u.close.reason.len = ngx_strlen(qc->error_reason);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 7945 diff changeset	3246 frame->u.close.reason.data = (u_char *) qc->error_reason;
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	3247 }
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	3248
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3249 ngx_quic_queue_frame(qc, frame);
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3250
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3251 qc->last_cc = ngx_current_msec;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3252
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3253 return ngx_quic_output(c);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3254 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3255
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3256
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3257 static ngx_int_t
7861 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3258 ngx_quic_send_new_token(ngx_connection_t *c)
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3259 {
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	3260 time_t expires;
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3261 ngx_str_t token;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3262 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3263 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3264
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3265 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3266
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3267 if (!qc->conf->retry) {
7861 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3268 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3269 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3270
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	3271 expires = ngx_time() + NGX_QUIC_NEW_TOKEN_LIFETIME;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	3272
8287 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	3273 if (ngx_quic_new_token(c, qc->conf->av_token_key, &token, NULL, expires, 0)
8279 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	3274 != NGX_OK)
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8269 diff changeset	3275 {
7861 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3276 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3277 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3278
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3279 frame = ngx_quic_alloc_frame(c);
7861 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3280 if (frame == NULL) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3281 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3282 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3283
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3284 frame->level = ssl_encryption_application;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3285 frame->type = NGX_QUIC_FT_NEW_TOKEN;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3286 frame->u.token.length = token.len;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3287 frame->u.token.data = token.data;
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	3288
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3289 ngx_quic_queue_frame(qc, frame);
7861 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3290
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3291 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3292 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3293
7945 a62849b6463c Style. Vladimir Homutov <vl@nginx.com> parents: 7942 diff changeset	3294
7861 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	3295 static ngx_int_t
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3296 ngx_quic_handle_ack_frame(ngx_connection_t c, ngx_quic_header_t pkt,
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3297 ngx_quic_frame_t *f)
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3298 {
7989 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 7988 diff changeset	3299 ssize_t n;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 7988 diff changeset	3300 u_char pos, end;
8020 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8019 diff changeset	3301 uint64_t min, max, gap, range;
7989 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 7988 diff changeset	3302 ngx_msec_t send_time;
8020 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8019 diff changeset	3303 ngx_uint_t i;
7989 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 7988 diff changeset	3304 ngx_quic_send_ctx_t *ctx;
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3305 ngx_quic_ack_frame_t *ack;
7989 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 7988 diff changeset	3306 ngx_quic_connection_t *qc;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 7988 diff changeset	3307
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3308 qc = ngx_quic_get_connection(c);
7989 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 7988 diff changeset	3309
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 7988 diff changeset	3310 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3311
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3312 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	3313 "quic ngx_quic_handle_ack_frame level:%d", pkt->level);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3314
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3315 ack = &f->u.ack;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3316
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3317 /*
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	3318 * 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: 7861 diff changeset	3319 * 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: 7861 diff changeset	3320 * (19.3.1)
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3321 */
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3322
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3323 if (ack->first_range > ack->largest) {
7989 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 7988 diff changeset	3324 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3325 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	3326 "quic invalid first range in ack frame");
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3327 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3328 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3329
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3330 min = ack->largest - ack->first_range;
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3331 max = ack->largest;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3332
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3333 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3334 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3335 {
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3336 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3337 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3338
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3339 /* 13.2.3. Receiver Tracking of ACK Frames */
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	3340 if (ctx->largest_ack < max \|\| ctx->largest_ack == NGX_QUIC_UNSET_PN) {
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3341 ctx->largest_ack = max;
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3342 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	3343 "quic updated largest received ack:%uL", max);
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3344
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3345 /*
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3346 * An endpoint generates an RTT sample on receiving an
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3347 * ACK frame that meets the following two conditions:
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3348 *
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3349 * - the largest acknowledged packet number is newly acknowledged
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3350 * - at least one of the newly acknowledged packets was ack-eliciting.
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3351 */
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3352
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3353 if (send_time != NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3354 ngx_quic_rtt_sample(c, ack, pkt->level, send_time);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3355 }
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3356 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3357
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3358 if (f->data) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3359 pos = f->data->buf->pos;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3360 end = f->data->buf->last;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3361
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3362 } else {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3363 pos = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3364 end = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3365 }
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3366
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3367 for (i = 0; i < ack->range_count; i++) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3368
8163 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8162 diff changeset	3369 n = ngx_quic_parse_ack_range(pkt->log, pos, end, &gap, &range);
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3370 if (n == NGX_ERROR) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3371 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3372 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3373 pos += n;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3374
8020 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8019 diff changeset	3375 if (gap + 2 > min) {
7989 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 7988 diff changeset	3376 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3377 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8295 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	3378 "quic invalid range:%ui in ack frame", i);
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3379 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3380 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3381
8020 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8019 diff changeset	3382 max = min - gap - 2;
69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8019 diff changeset	3383
69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8019 diff changeset	3384 if (range > max) {
7989 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 7988 diff changeset	3385 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3386 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8295 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	3387 "quic invalid range:%ui in ack frame", i);
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3388 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3389 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3390
8020 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8019 diff changeset	3391 min = max - range;
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3392
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3393 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3394 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3395 {
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3396 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3397 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3398 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3399
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	3400 return ngx_quic_detect_lost(c);
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3401 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3402
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3403
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3404 static ngx_int_t
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3405 ngx_quic_handle_ack_frame_range(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3406 uint64_t min, uint64_t max, ngx_msec_t *send_time)
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3407 {
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3408 ngx_uint_t found;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3409 ngx_queue_t *q;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3410 ngx_quic_frame_t *f;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3411 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3412
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3413 qc = ngx_quic_get_connection(c);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3414
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3415 *send_time = NGX_TIMER_INFINITE;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3416 found = 0;
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3417
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3418 q = ngx_queue_last(&ctx->sent);
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3419
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3420 while (q != ngx_queue_sentinel(&ctx->sent)) {
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3421
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3422 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3423 q = ngx_queue_prev(q);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3424
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3425 if (f->pnum >= min && f->pnum <= max) {
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3426 ngx_quic_congestion_ack(c, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3427
8156 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3428 switch (f->type) {
8159 06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges(). Sergey Kandaurov <pluknet@nginx.com> parents: 8158 diff changeset	3429 case NGX_QUIC_FT_ACK:
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges(). Sergey Kandaurov <pluknet@nginx.com> parents: 8158 diff changeset	3430 case NGX_QUIC_FT_ACK_ECN:
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges(). Sergey Kandaurov <pluknet@nginx.com> parents: 8158 diff changeset	3431 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: 8158 diff changeset	3432 break;
8156 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3433
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3434 case NGX_QUIC_FT_STREAM0:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3435 case NGX_QUIC_FT_STREAM1:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3436 case NGX_QUIC_FT_STREAM2:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3437 case NGX_QUIC_FT_STREAM3:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3438 case NGX_QUIC_FT_STREAM4:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3439 case NGX_QUIC_FT_STREAM5:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3440 case NGX_QUIC_FT_STREAM6:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3441 case NGX_QUIC_FT_STREAM7:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3442 ngx_quic_handle_stream_ack(c, f);
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3443 break;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8155 diff changeset	3444 }
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3445
8247 1823e2152fc4 QUIC: always calculate rtt for largest acknowledged packet. Roman Arutyunyan <arut@nginx.com> parents: 8246 diff changeset	3446 if (f->pnum == max) {
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3447 *send_time = f->last;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3448 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3449
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3450 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3451 ngx_quic_free_frame(c, f);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3452 found = 1;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3453 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3454 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3455
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3456 if (!found) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3457
7932 4e75267865de QUIC: fixed off-by-one in frame range handler. Vladimir Homutov <vl@nginx.com> parents: 7931 diff changeset	3458 if (max < ctx->pnum) {
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3459 /* duplicate ACK or ACK for non-ack-eliciting frame */
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	3460 return NGX_OK;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3461 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3462
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3463 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7878 d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 7877 diff changeset	3464 "quic ACK for the packet not sent");
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	3465
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	3466 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	3467 qc->error_ftype = NGX_QUIC_FT_ACK;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	3468 qc->error_reason = "unknown packet number";
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	3469
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3470 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3471 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3472
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3473 if (!qc->push.timer_set) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3474 ngx_post_event(&qc->push, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3475 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3476
7993 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3477 qc->pto_count = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3478
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3479 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3480 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3481
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3482
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3483 static void
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3484 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: 7953 diff changeset	3485 enum ssl_encryption_level_t level, ngx_msec_t send_time)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3486 {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3487 ngx_msec_t latest_rtt, ack_delay, adjusted_rtt, rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3488 ngx_quic_connection_t *qc;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3489
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3490 qc = ngx_quic_get_connection(c);
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3491
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3492 latest_rtt = ngx_current_msec - send_time;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3493 qc->latest_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3494
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3495 if (qc->min_rtt == NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3496 qc->min_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3497 qc->avg_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3498 qc->rttvar = latest_rtt / 2;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3499
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3500 } else {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3501 qc->min_rtt = ngx_min(qc->min_rtt, latest_rtt);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3502
8246 b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels. Roman Arutyunyan <arut@nginx.com> parents: 8245 diff changeset	3503 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: 8245 diff changeset	3504
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels. Roman Arutyunyan <arut@nginx.com> parents: 8245 diff changeset	3505 if (c->ssl->handshaked) {
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3506 ack_delay = ngx_min(ack_delay, qc->ctp.max_ack_delay);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3507 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3508
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3509 adjusted_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3510
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3511 if (qc->min_rtt + ack_delay < latest_rtt) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3512 adjusted_rtt -= ack_delay;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3513 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3514
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3515 qc->avg_rtt = 0.875 * qc->avg_rtt + 0.125 * adjusted_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3516 rttvar_sample = ngx_abs((ngx_msec_int_t) (qc->avg_rtt - adjusted_rtt));
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3517 qc->rttvar = 0.75 * qc->rttvar + 0.25 * rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3518 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3519
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3520 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	3521 "quic rtt sample latest:%M min:%M avg:%M var:%M",
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3522 latest_rtt, qc->min_rtt, qc->avg_rtt, qc->rttvar);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3523 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3524
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3525
8387 76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	3526 ngx_msec_t
7993 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3527 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: 7992 diff changeset	3528 {
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3529 ngx_msec_t duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3530 ngx_quic_connection_t *qc;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3531
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3532 qc = ngx_quic_get_connection(c);
7993 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3533
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3534 /* PTO calculation: quic-recovery, Appendix 8 */
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3535 duration = qc->avg_rtt;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3536
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3537 duration += ngx_max(4 * qc->rttvar, NGX_QUIC_TIME_GRANULARITY);
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3538 duration <<= qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3539
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3540 if (qc->congestion.in_flight == 0) { /* no in-flight packets */
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3541 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3542 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3543
8245 49efd27dace6 QUIC: use client max_ack_delay when computing pto timeout. Roman Arutyunyan <arut@nginx.com> parents: 8244 diff changeset	3544 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: 8244 diff changeset	3545 duration += qc->ctp.max_ack_delay << qc->pto_count;
7993 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3546 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3547
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3548 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3549 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3550
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 7992 diff changeset	3551
7987 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 7953 diff changeset	3552 static void
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3553 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: 7840 diff changeset	3554 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3555 uint64_t sent, unacked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3556 ngx_event_t *wev;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3557 ngx_quic_stream_t *sn;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3558 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3559
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3560 qc = ngx_quic_get_connection(c);
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3561
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3562 sn = ngx_quic_find_stream(&qc->streams.tree, f->u.stream.stream_id);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3563 if (sn == NULL) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3564 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3565 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3566
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3567 wev = sn->c->write;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3568 sent = sn->c->sent;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3569 unacked = sent - sn->acked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3570
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3571 if (unacked >= NGX_QUIC_STREAM_BUFSIZE && wev->active) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3572 wev->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3573 ngx_post_event(wev, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3574 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3575
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3576 sn->acked += f->u.stream.length;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3577
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3578 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, sn->c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	3579 "quic stream ack len:%uL acked:%uL unacked:%uL",
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3580 f->u.stream.length, sn->acked, sent - sn->acked);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3581 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3582
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3583
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3584 static ngx_int_t
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3585 ngx_quic_handle_ordered_frame(ngx_connection_t c, ngx_quic_frames_stream_t fs,
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	3586 ngx_quic_frame_t frame, ngx_quic_frame_handler_pt handler, void data)
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3587 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3588 size_t full_len;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3589 ngx_int_t rc;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3590 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3591 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3592
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3593 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3594
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3595 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3596 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	3597 "quic out-of-order frame: expecting:%uL got:%uL",
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3598 fs->received, f->offset);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3599
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3600 return ngx_quic_buffer_frame(c, fs, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3601 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3602
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3603 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3604
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3605 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3606 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3607 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3608 /* old/duplicate data range */
8104 9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8103 diff changeset	3609 return handler == ngx_quic_crypto_input ? NGX_DECLINED : NGX_OK;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3610 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3611
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3612 /* intersecting data range, frame modified */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3613 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3614
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3615 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3616
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	3617 rc = handler(c, frame, data);
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3618 if (rc == NGX_ERROR) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3619 return NGX_ERROR;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3620
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3621 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3622 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3623 return NGX_OK;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3624 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3625
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3626 /* rc == NGX_OK */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3627
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3628 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3629
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3630 /* now check the queue if we can continue with buffered frames */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3631
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3632 do {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3633 q = ngx_queue_head(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3634 if (q == ngx_queue_sentinel(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3635 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3636 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3637
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3638 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3639 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3640
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3641 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3642 /* gap found, nothing more to do */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3643 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3644 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3645
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3646 full_len = f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3647
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3648 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3649
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3650 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3651 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3652 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3653 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3654 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3655 fs->total -= f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3656
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3657 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8295 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	3658 "quic skipped buffered frame, total:%ui",
d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	3659 fs->total);
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3660 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3661 continue;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3662 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3663
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3664 /* frame was adjusted, proceed to input */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3665 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3666
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3667 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3668
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	3669 rc = handler(c, frame, data);
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3670
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3671 if (rc == NGX_ERROR) {
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3672 return NGX_ERROR;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3673
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3674 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3675 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3676 return NGX_OK;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3677 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3678
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3679 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3680 fs->total -= full_len;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3681
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3682 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3683
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3684 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8295 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	3685 "quic consumed buffered frame, total:%ui", fs->total);
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3686
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3687 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3688
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3689 } while (1);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3690
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3691 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3692 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3693
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3694
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3695 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3696 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: 7809 diff changeset	3697 uint64_t offset_in)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3698 {
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3699 size_t tail, n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3700 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3701 ngx_chain_t *cl;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3702 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3703
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3704 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3705
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3706 tail = offset_in - f->offset;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3707
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3708 if (tail >= f->length) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3709 /* range preceeding already received data or duplicate, ignore */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3710
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3711 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3712 "quic old or duplicate data in ordered frame, ignored");
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3713 return NGX_DONE;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3714 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3715
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3716 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3717 "quic adjusted ordered frame data start to expected offset");
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3718
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3719 /* intersecting range: adjust data size */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3720
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3721 f->offset += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3722 f->length -= tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3723
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3724 for (cl = frame->data; cl; cl = cl->next) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3725 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3726 n = ngx_buf_size(b);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3727
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3728 if (n >= tail) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3729 b->pos += tail;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3730 break;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3731 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3732
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3733 cl->buf->pos = cl->buf->last;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3734 tail -= n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3735 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3736
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3737 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3738 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3739
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3740
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3741 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3742 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: 7809 diff changeset	3743 ngx_quic_frame_t *frame)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3744 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3745 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3746 ngx_quic_frame_t dst, item;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3747 ngx_quic_ordered_frame_t f, df;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3748
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3749 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3750 "quic ngx_quic_buffer_frame");
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3751
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3752 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3753
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3754 /* frame start offset is in the future, buffer it */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3755
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3756 dst = ngx_quic_alloc_frame(c);
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3757 if (dst == NULL) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3758 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3759 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3760
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3761 ngx_memcpy(dst, frame, sizeof(ngx_quic_frame_t));
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3762
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3763 dst->data = ngx_quic_copy_chain(c, frame->data, 0);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3764 if (dst->data == NGX_CHAIN_ERROR) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3765 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3766 }
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3767
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3768 df = &dst->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3769
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3770 fs->total += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3771
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3772 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8295 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	3773 "quic ordered frame with unexpected offset:"
d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	3774 " buffered total:%ui", fs->total);
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3775
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3776 if (ngx_queue_empty(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3777 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3778 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3779 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3780
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3781 for (q = ngx_queue_last(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3782 q != ngx_queue_sentinel(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3783 q = ngx_queue_prev(q))
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3784 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3785 item = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3786 f = &item->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3787
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3788 if (f->offset < df->offset) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3789 ngx_queue_insert_after(q, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3790 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3791 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3792 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3793
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3794 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3795
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3796 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3797 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3798
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3799
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3800 static ngx_int_t
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	3801 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: 7811 diff changeset	3802 ngx_quic_frame_t *frame)
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	3803 {
8068 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3804 uint64_t last;
8104 9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8103 diff changeset	3805 ngx_int_t rc;
8132 6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8131 diff changeset	3806 ngx_quic_send_ctx_t *ctx;
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	3807 ngx_quic_connection_t *qc;
8068 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3808 ngx_quic_crypto_frame_t *f;
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	3809 ngx_quic_frames_stream_t *fs;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	3810
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3811 qc = ngx_quic_get_connection(c);
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	3812 fs = &qc->crypto[pkt->level];
8068 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3813 f = &frame->u.crypto;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3814
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3815 /* 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: 8066 diff changeset	3816 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3817
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3818 if (last > fs->received && last - fs->received > NGX_QUIC_MAX_BUFFERED) {
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3819 qc->error = NGX_QUIC_ERR_CRYPTO_BUFFER_EXCEEDED;
8068 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3820 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3821 }
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	3822
8104 9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8103 diff changeset	3823 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: 8103 diff changeset	3824 NULL);
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8103 diff changeset	3825 if (rc != NGX_DECLINED) {
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8103 diff changeset	3826 return rc;
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8103 diff changeset	3827 }
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8103 diff changeset	3828
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8103 diff changeset	3829 /* speeding up handshake completion */
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8103 diff changeset	3830
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8103 diff changeset	3831 if (pkt->level == ssl_encryption_initial) {
8132 6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8131 diff changeset	3832 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: 8131 diff changeset	3833
6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8131 diff changeset	3834 if (!ngx_queue_empty(&ctx->sent)) {
6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8131 diff changeset	3835 ngx_quic_resend_frames(c, ctx);
8244 6201cef77b1d QUIC: resend handshake packets along with initial. Roman Arutyunyan <arut@nginx.com> parents: 8243 diff changeset	3836
6201cef77b1d QUIC: resend handshake packets along with initial. Roman Arutyunyan <arut@nginx.com> parents: 8243 diff changeset	3837 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_handshake);
6201cef77b1d QUIC: resend handshake packets along with initial. Roman Arutyunyan <arut@nginx.com> parents: 8243 diff changeset	3838 while (!ngx_queue_empty(&ctx->sent)) {
6201cef77b1d QUIC: resend handshake packets along with initial. Roman Arutyunyan <arut@nginx.com> parents: 8243 diff changeset	3839 ngx_quic_resend_frames(c, ctx);
6201cef77b1d QUIC: resend handshake packets along with initial. Roman Arutyunyan <arut@nginx.com> parents: 8243 diff changeset	3840 }
8132 6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8131 diff changeset	3841 }
8104 9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8103 diff changeset	3842 }
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8103 diff changeset	3843
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8103 diff changeset	3844 return NGX_OK;
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	3845 }
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	3846
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	3847
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	3848 static ngx_int_t
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	3849 ngx_quic_crypto_input(ngx_connection_t c, ngx_quic_frame_t frame, void *data)
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3850 {
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3851 int n, sslerr;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3852 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3853 ngx_chain_t *cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3854 ngx_ssl_conn_t *ssl_conn;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3855 ngx_quic_connection_t *qc;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	3856
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3857 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3858
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3859 ssl_conn = c->ssl->connection;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3860
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3861 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	3862 "quic SSL_quic_read_level:%d SSL_quic_write_level:%d",
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3863 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3864 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3865
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3866 for (cl = frame->data; cl; cl = cl->next) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3867 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3868
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3869 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn),
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3870 b->pos, b->last - b->pos))
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3871 {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3872 ngx_ssl_error(NGX_LOG_INFO, c->log, 0,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3873 "SSL_provide_quic_data() failed");
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3874 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3875 }
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3876 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3877
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3878 n = SSL_do_handshake(ssl_conn);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3879
8190 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3880 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3881 "quic SSL_quic_read_level:%d SSL_quic_write_level:%d",
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3882 (int) SSL_quic_read_level(ssl_conn),
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3883 (int) SSL_quic_write_level(ssl_conn));
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3884
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3885 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: 7690 diff changeset	3886
8190 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3887 if (n <= 0) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3888 sslerr = SSL_get_error(ssl_conn, n);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3889
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3890 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d",
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3891 sslerr);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3892
7766 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7765 diff changeset	3893 if (sslerr != SSL_ERROR_WANT_READ) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3894 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed");
7766 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7765 diff changeset	3895 return NGX_ERROR;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3896 }
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	3897
8190 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3898 return NGX_OK;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3899 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3900
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3901 if (SSL_in_init(ssl_conn)) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3902 return NGX_OK;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3903 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3904
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3905 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3906 "quic ssl cipher:%s", SSL_get_cipher(ssl_conn));
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3907
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3908 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3909 "quic handshake completed successfully");
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3910
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3911 c->ssl->handshaked = 1;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3912
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	3913 frame = ngx_quic_alloc_frame(c);
8190 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3914 if (frame == NULL) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3915 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3916 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3917
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3918 /* 12.4 Frames and frame types, figure 8 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3919 frame->level = ssl_encryption_application;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3920 frame->type = NGX_QUIC_FT_HANDSHAKE_DONE;
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3921 ngx_quic_queue_frame(qc, frame);
8190 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3922
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3923 if (ngx_quic_send_new_token(c) != NGX_OK) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3924 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3925 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3926
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3927 /*
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3928 * Generating next keys before a key update is received.
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3929 * See quic-tls 9.4 Header Protection Timing Side-Channels.
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3930 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3931
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3932 if (ngx_quic_keys_update(c, qc->keys) != NGX_OK) {
8190 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3933 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3934 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3935
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3936 /*
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3937 * 4.10.2 An endpoint MUST discard its handshake keys
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3938 * when the TLS handshake is confirmed
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3939 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8189 diff changeset	3940 ngx_quic_discard_ctx(c, ssl_encryption_handshake);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3941
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	3942 if (ngx_quic_issue_server_ids(c) != NGX_OK) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	3943 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	3944 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	3945
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3946 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3947 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3948
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3949
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3950 static ngx_int_t
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3951 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: 7810 diff changeset	3952 ngx_quic_frame_t *frame)
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3953 {
8068 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3954 size_t window;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3955 uint64_t last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3956 ngx_buf_t *b;
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	3957 ngx_pool_t *pool;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	3958 ngx_connection_t *sc;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3959 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3960 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3961 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3962 ngx_quic_frames_stream_t *fs;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3963
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3964 qc = ngx_quic_get_connection(c);
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3965 f = &frame->u.stream;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3966
7922 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	3967 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: 7919 diff changeset	3968 && (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: 7919 diff changeset	3969 {
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	3970 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: 7919 diff changeset	3971 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	3972 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	3973
8068 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3974 /* 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: 8066 diff changeset	3975 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3976
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3977 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3978
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3979 if (sn == NULL) {
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	3980 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: 8021 diff changeset	3981
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	3982 if (sn == NULL) {
7922 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	3983 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	3984 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	3985
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	3986 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	3987 return NGX_OK;
8014 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	3988 }
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	3989
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	3990 sc = sn->c;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	3991 fs = &sn->fs;
8068 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3992 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3993 window = b->end - b->last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3994
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3995 if (last > window) {
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	3996 qc->error = NGX_QUIC_ERR_FLOW_CONTROL_ERROR;
8068 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3997 goto cleanup;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	3998 }
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	3999
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4000 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: 8021 diff changeset	4001 sn)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4002 != NGX_OK)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4003 {
8068 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4004 goto cleanup;
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	4005 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	4006
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4007 sc->listening->handler(sc);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4008
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4009 return NGX_OK;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4010 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4011
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4012 fs = &sn->fs;
8068 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4013 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4014 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: 8066 diff changeset	4015
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4016 if (last > fs->received && last - fs->received > window) {
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4017 qc->error = NGX_QUIC_ERR_FLOW_CONTROL_ERROR;
8068 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4018 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4019 }
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4020
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	4021 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	4022 sn);
8068 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4023
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4024 cleanup:
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4025
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4026 pool = sc->pool;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4027
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4028 ngx_close_connection(sc);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4029 ngx_destroy_pool(pool);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4030
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8066 diff changeset	4031 return NGX_ERROR;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4032 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4033
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4034
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4035 static ngx_int_t
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	4036 ngx_quic_stream_input(ngx_connection_t c, ngx_quic_frame_t frame, void *data)
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4037 {
8019 fc16e303003a QUIC: fixed possible use-after-free on stream cleanup. Sergey Kandaurov <pluknet@nginx.com> parents: 8018 diff changeset	4038 uint64_t id;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4039 ngx_buf_t *b;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4040 ngx_event_t *rev;
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	4041 ngx_chain_t *cl;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4042 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4043 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4044 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4045
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4046 qc = ngx_quic_get_connection(c);
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	4047 sn = data;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4048
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4049 f = &frame->u.stream;
8019 fc16e303003a QUIC: fixed possible use-after-free on stream cleanup. Sergey Kandaurov <pluknet@nginx.com> parents: 8018 diff changeset	4050 id = f->stream_id;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4051
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4052 b = sn->b;
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	4053
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	4054 if ((size_t) ((b->pos - b->start) + (b->end - b->last)) < f->length) {
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	4055 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	4056 "quic no space in stream buffer");
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	4057 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	4058 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	4059
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	4060 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: 7813 diff changeset	4061 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: 7813 diff changeset	4062 b->pos = b->start;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	4063 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	4064
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	4065 for (cl = frame->data; cl; cl = cl->next) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	4066 b->last = ngx_cpymem(b->last, cl->buf->pos,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	4067 cl->buf->last - cl->buf->pos);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	4068 }
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4069
7760 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	4070 rev = sn->c->read;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	4071 rev->ready = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	4072
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	4073 if (f->fin) {
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	4074 rev->pending_eof = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	4075 }
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4076
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	4077 if (rev->active) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	4078 rev->handler(rev);
7780 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	4079 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	4080
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	4081 /* check if stream was destroyed by handler */
8019 fc16e303003a QUIC: fixed possible use-after-free on stream cleanup. Sergey Kandaurov <pluknet@nginx.com> parents: 8018 diff changeset	4082 if (ngx_quic_find_stream(&qc->streams.tree, id) == NULL) {
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4083 return NGX_DONE;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4084 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	4085
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4086 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4087 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4088
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4089
7711 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	4090 static ngx_int_t
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4091 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: 7841 diff changeset	4092 ngx_quic_max_data_frame_t *f)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4093 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4094 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4095 ngx_rbtree_t *tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4096 ngx_rbtree_node_t *node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4097 ngx_quic_stream_t *qs;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4098 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4099
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4100 qc = ngx_quic_get_connection(c);
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4101 tree = &qc->streams.tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4102
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4103 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: 7841 diff changeset	4104 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4105 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4106
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4107 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: 7841 diff changeset	4108
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4109 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: 7841 diff changeset	4110 node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4111 node = ngx_rbtree_next(tree, node))
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4112 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4113 qs = (ngx_quic_stream_t *) node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4114 wev = qs->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4115
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4116 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4117 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4118 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4119 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4120 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4121 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4122
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4123 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: 7841 diff changeset	4124
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4125 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4126 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4127
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4128
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4129 static ngx_int_t
7711 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	4130 ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	4131 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: 7707 diff changeset	4132 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	4133 return NGX_OK;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	4134 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	4135
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	4136
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4137 static ngx_int_t
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4138 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: 7731 diff changeset	4139 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: 7731 diff changeset	4140 {
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	4141 size_t n;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	4142 ngx_buf_t *b;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	4143 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	4144 ngx_quic_stream_t *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	4145 ngx_quic_connection_t *qc;
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4146
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4147 qc = ngx_quic_get_connection(c);
7924 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	4148
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	4149 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: 7923 diff changeset	4150 && (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: 7923 diff changeset	4151 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	4152 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: 7923 diff changeset	4153 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	4154 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	4155
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4156 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: 7731 diff changeset	4157
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4158 if (sn == NULL) {
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4159 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: 8021 diff changeset	4160
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4161 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4162 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4163 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4164
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4165 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4166 return NGX_OK;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4167 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4168
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4169 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4170 n = b->end - b->last;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4171
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4172 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4173
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4174 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4175 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4176 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: 8021 diff changeset	4177 }
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4178
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	4179 frame = ngx_quic_alloc_frame(c);
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4180 if (frame == NULL) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4181 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4182 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4183
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4184 frame->level = pkt->level;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4185 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4186 frame->u.max_stream_data.id = f->id;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4187 frame->u.max_stream_data.limit = n;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4188
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4189 ngx_quic_queue_frame(qc, frame);
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4190
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4191 return NGX_OK;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4192 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4193
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	4194
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4195 static ngx_int_t
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4196 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: 7841 diff changeset	4197 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: 7841 diff changeset	4198 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4199 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4200 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4201 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4202 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4203
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4204 qc = ngx_quic_get_connection(c);
7924 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	4205
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	4206 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: 7923 diff changeset	4207 && (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: 7923 diff changeset	4208 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	4209 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: 7923 diff changeset	4210 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	4211 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	4212
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4213 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: 7841 diff changeset	4214
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4215 if (sn == NULL) {
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4216 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: 8021 diff changeset	4217
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4218 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4219 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4220 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4221
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4222 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4223 return NGX_OK;
7924 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	4224 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	4225
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4226 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: 8021 diff changeset	4227 sn->send_max_data = f->limit;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4228 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4229
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4230 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4231
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	4232 return NGX_OK;
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4233 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4234
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4235 if (f->limit <= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4236 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4237 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4238
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4239 sent = sn->c->sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4240
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4241 if (sent >= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4242 wev = sn->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4243
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4244 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4245 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4246 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4247 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4248 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4249
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4250 sn->send_max_data = f->limit;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4251
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4252 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4253 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4254
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	4255
7923 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4256 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4257 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: 7922 diff changeset	4258 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: 7922 diff changeset	4259 {
8023 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4260 ngx_event_t *rev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4261 ngx_connection_t *sc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4262 ngx_quic_stream_t *sn;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4263 ngx_quic_connection_t *qc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4264
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4265 qc = ngx_quic_get_connection(c);
7923 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4266
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4267 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4268 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED))
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4269 {
8023 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4270 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
7923 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4271 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4272 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4273
8023 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4274 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: 8022 diff changeset	4275
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4276 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4277 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4278
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4279 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4280 return NGX_ERROR;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4281 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4282
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4283 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4284 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4285 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4286
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4287 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4288
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4289 rev = sc->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4290 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4291 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4292
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4293 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4294
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4295 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4296 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4297
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4298 rev = sn->c->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4299 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4300 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4301
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4302 if (rev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4303 rev->handler(rev);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4304 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4305
7923 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4306 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4307 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4308
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4309
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4310 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4311 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: 7922 diff changeset	4312 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: 7922 diff changeset	4313 {
8023 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4314 ngx_event_t *wev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4315 ngx_connection_t *sc;
7923 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4316 ngx_quic_stream_t *sn;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4317 ngx_quic_connection_t *qc;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4318
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4319 qc = ngx_quic_get_connection(c);
7923 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4320
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4321 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4322 && (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: 7922 diff changeset	4323 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4324 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: 7922 diff changeset	4325 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4326 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4327
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4328 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: 7922 diff changeset	4329
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4330 if (sn == NULL) {
8023 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4331 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4332
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4333 if (sn == NULL) {
7923 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4334 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4335 }
8023 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4336
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4337 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4338 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4339 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4340
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4341 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4342
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4343 wev = sc->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4344 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4345 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4346
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4347 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4348
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4349 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4350 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4351
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4352 wev = sn->c->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4353 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4354 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4355
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4356 if (wev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8022 diff changeset	4357 wev->handler(wev);
7923 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4358 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4359
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4360 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4361 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4362
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	4363
8013 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4364 static ngx_int_t
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4365 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: 8004 diff changeset	4366 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: 8004 diff changeset	4367 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4368 ngx_quic_connection_t *qc;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4369
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4370 qc = ngx_quic_get_connection(c);
8013 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4371
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4372 if (f->bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4373 if (qc->streams.server_max_streams_bidi < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4374 qc->streams.server_max_streams_bidi = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4375
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4376 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: 8004 diff changeset	4377 "quic max_streams_bidi:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4378 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4379
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4380 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4381 if (qc->streams.server_max_streams_uni < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4382 qc->streams.server_max_streams_uni = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4383
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4384 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: 8004 diff changeset	4385 "quic max_streams_uni:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4386 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4387 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4388
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4389 return NGX_OK;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4390 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4391
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	4392
8069 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8068 diff changeset	4393 static ngx_int_t
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4394 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: 8074 diff changeset	4395 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: 8074 diff changeset	4396 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4397 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4398 ngx_quic_client_id_t cid, item;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4399 ngx_quic_connection_t *qc;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4400
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4401 qc = ngx_quic_get_connection(c);
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4402
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4403 if (f->seqnum < qc->max_retired_seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4404 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4405 * An endpoint that receives a NEW_CONNECTION_ID frame with
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4406 * a sequence number smaller than the Retire Prior To field
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4407 * of a previously received NEW_CONNECTION_ID frame MUST send
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4408 * a corresponding RETIRE_CONNECTION_ID frame that retires
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4409 * the newly received connection ID, unless it has already
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4410 * done so for that sequence number.
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4411 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4412
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4413 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: 8074 diff changeset	4414 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4415 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4416
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4417 goto retire;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4418 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4419
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4420 cid = NULL;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4421
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4422 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4423 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4424 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4425 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4426 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: 8074 diff changeset	4427
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4428 if (item->seqnum == f->seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4429 cid = item;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4430 break;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4431 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4432 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4433
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4434 if (cid) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4435 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4436 * Transmission errors, timeouts and retransmissions might cause the
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4437 * same NEW_CONNECTION_ID frame to be received multiple times
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4438 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4439
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4440 if (cid->len != f->len
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4441 \|\| ngx_strncmp(cid->id, f->cid, f->len) != 0
8100 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	4442 \|\| ngx_strncmp(cid->sr_token, f->srt, NGX_QUIC_SR_TOKEN_LEN) != 0)
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4443 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4444 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4445 * ..a sequence number is used for different connection IDs,
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4446 * the endpoint MAY treat that receipt as a connection error
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4447 * of type PROTOCOL_VIOLATION.
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4448 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4449 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4450 qc->error_reason = "seqnum refers to different connection id/token";
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4451 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4452 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4453
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4454 } else {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4455
8197 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8196 diff changeset	4456 cid = ngx_quic_alloc_client_id(c, qc);
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4457 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4458 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4459 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4460
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4461 cid->seqnum = f->seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4462 cid->len = f->len;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4463 ngx_memcpy(cid->id, f->cid, f->len);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4464
8100 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8099 diff changeset	4465 ngx_memcpy(cid->sr_token, f->srt, NGX_QUIC_SR_TOKEN_LEN);
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4466
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4467 ngx_queue_insert_tail(&qc->client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4468 qc->nclient_ids++;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4469
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4470 /* always use latest available connection id */
8197 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8196 diff changeset	4471 if (f->seqnum > qc->client_seqnum) {
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4472 qc->scid.len = cid->len;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4473 qc->scid.data = cid->id;
8197 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8196 diff changeset	4474 qc->client_seqnum = f->seqnum;
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4475 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4476 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4477
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4478 retire:
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4479
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4480 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: 8074 diff changeset	4481 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4482 * 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: 8074 diff changeset	4483 * 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: 8074 diff changeset	4484 * 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: 8074 diff changeset	4485 * largest received Retire Prior To value.
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4486 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4487 goto done;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4488 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4489
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4490 qc->max_retired_seqnum = f->retire;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4491
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4492 q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4493
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4494 while (q != ngx_queue_sentinel(&qc->client_ids)) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4495
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4496 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: 8074 diff changeset	4497 q = ngx_queue_next(q);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4498
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4499 if (cid->seqnum >= f->retire) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4500 continue;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4501 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4502
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4503 /* this connection id must be retired */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4504
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4505 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: 8074 diff changeset	4506 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4507 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4508 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4509 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4510
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4511 ngx_queue_remove(&cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4512 ngx_queue_insert_head(&qc->free_client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4513 qc->nclient_ids--;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4514 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4515
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4516 done:
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4517
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4518 if (qc->nclient_ids > qc->tp.active_connection_id_limit) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4519 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4520 * After processing a NEW_CONNECTION_ID frame and
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4521 * 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: 8074 diff changeset	4522 * connection IDs exceeds the value advertised in its
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4523 * active_connection_id_limit transport parameter, an endpoint MUST
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4524 * 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: 8074 diff changeset	4525 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4526 qc->error = NGX_QUIC_ERR_CONNECTION_ID_LIMIT_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4527 qc->error_reason = "too many connection ids received";
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4528 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4529 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4530
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4531 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4532 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4533
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4534
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4535 static ngx_int_t
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4536 ngx_quic_retire_connection_id(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4537 enum ssl_encryption_level_t level, uint64_t seqnum)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4538 {
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4539 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4540 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4541
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4542 qc = ngx_quic_get_connection(c);
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4543
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	4544 frame = ngx_quic_alloc_frame(c);
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4545 if (frame == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4546 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4547 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4548
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4549 frame->level = level;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4550 frame->type = NGX_QUIC_FT_RETIRE_CONNECTION_ID;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4551 frame->u.retire_cid.sequence_number = seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4552
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4553 ngx_quic_queue_frame(qc, frame);
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4554
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4555 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4556 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4557
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4558
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4559 static ngx_int_t
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4560 ngx_quic_handle_retire_connection_id_frame(ngx_connection_t *c,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4561 ngx_quic_header_t pkt, ngx_quic_retire_cid_frame_t f)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4562 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4563 ngx_queue_t *q;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4564 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4565 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4566
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4567 qc = ngx_quic_get_connection(c);
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4568
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4569 for (q = ngx_queue_head(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4570 q != ngx_queue_sentinel(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4571 q = ngx_queue_next(q))
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4572 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4573 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4574
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4575 if (sid->seqnum == f->sequence_number) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4576 ngx_queue_remove(q);
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4577 ngx_queue_insert_tail(&qc->free_server_ids, &sid->queue);
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4578 ngx_rbtree_delete(&c->listening->rbtree, &sid->udp.node);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4579 qc->nserver_ids--;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4580 break;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4581 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4582 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4583
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4584 return ngx_quic_issue_server_ids(c);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4585 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4586
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4587
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4588 static ngx_int_t
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4589 ngx_quic_issue_server_ids(ngx_connection_t *c)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4590 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4591 ngx_str_t dcid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4592 ngx_uint_t n;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4593 ngx_quic_frame_t *frame;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4594 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4595 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4596 u_char id[NGX_QUIC_SERVER_CID_LEN];
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4597
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4598 qc = ngx_quic_get_connection(c);
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4599
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4600 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: 8197 diff changeset	4601
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4602 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4603 "quic issue server ids has:%ui max:%ui", qc->nserver_ids, n);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4604
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4605 while (qc->nserver_ids < n) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4606 if (ngx_quic_create_server_id(c, id) != NGX_OK) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4607 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4608 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4609
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4610 dcid.len = NGX_QUIC_SERVER_CID_LEN;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4611 dcid.data = id;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4612
8385 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	4613 sid = ngx_quic_insert_server_id(c, qc, &dcid);
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4614 if (sid == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4615 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4616 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4617
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	4618 frame = ngx_quic_alloc_frame(c);
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4619 if (frame == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4620 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4621 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4622
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4623 frame->level = ssl_encryption_application;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4624 frame->type = NGX_QUIC_FT_NEW_CONNECTION_ID;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4625 frame->u.ncid.seqnum = sid->seqnum;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4626 frame->u.ncid.retire = 0;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4627 frame->u.ncid.len = NGX_QUIC_SERVER_CID_LEN;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4628 ngx_memcpy(frame->u.ncid.cid, id, NGX_QUIC_SERVER_CID_LEN);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4629
8287 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	4630 if (ngx_quic_new_sr_token(c, &dcid, qc->conf->sr_token_key,
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4631 frame->u.ncid.srt)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4632 != NGX_OK)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4633 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4634 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4635 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4636
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4637 ngx_quic_queue_frame(qc, frame);
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4638 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4639
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4640 return NGX_OK;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4641 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4642
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4643
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4644 static void
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4645 ngx_quic_clear_temp_server_ids(ngx_connection_t *c)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4646 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4647 ngx_queue_t q, next;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4648 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4649 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4650
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4651 qc = ngx_quic_get_connection(c);
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4652
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4653 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4654 "quic clear temp server ids");
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4655
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4656 for (q = ngx_queue_head(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4657 q != ngx_queue_sentinel(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4658 q = next)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4659 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4660 next = ngx_queue_next(q);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4661 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4662
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4663 if (sid->seqnum != NGX_QUIC_UNSET_PN) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4664 continue;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4665 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4666
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4667 ngx_queue_remove(q);
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4668 ngx_queue_insert_tail(&qc->free_server_ids, &sid->queue);
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4669 ngx_rbtree_delete(&c->listening->rbtree, &sid->udp.node);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4670 qc->nserver_ids--;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4671 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4672 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4673
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4674
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4675 static ngx_quic_server_id_t *
8385 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	4676 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: 8384 diff changeset	4677 ngx_str_t *id)
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4678 {
8385 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	4679 ngx_str_t dcid;
9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	4680 ngx_quic_server_id_t *sid;
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4681
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4682 sid = ngx_quic_alloc_server_id(c, qc);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4683 if (sid == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4684 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4685 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4686
8385 9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	4687 sid->quic = qc;
9ce6d80df113 QUIC: simplified quic connection dispatching. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	4688
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4689 sid->seqnum = qc->server_seqnum;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4690
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4691 if (qc->server_seqnum != NGX_QUIC_UNSET_PN) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4692 qc->server_seqnum++;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4693 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4694
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4695 sid->len = id->len;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4696 ngx_memcpy(sid->id, id->data, id->len);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4697
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4698 ngx_queue_insert_tail(&qc->server_ids, &sid->queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4699 qc->nserver_ids++;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4700
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4701 dcid.data = sid->id;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4702 dcid.len = sid->len;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4703
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4704 ngx_insert_udp_connection(c, &sid->udp, &dcid);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4705
8235 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	4706 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	4707 "quic insert server id seqnum:%uL id len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8212 diff changeset	4708 sid->seqnum, id->len, id);
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4709
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4710 return sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4711 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4712
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4713
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4714 static ngx_quic_client_id_t *
8197 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8196 diff changeset	4715 ngx_quic_alloc_client_id(ngx_connection_t c, ngx_quic_connection_t qc)
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4716 {
8099 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	4717 ngx_queue_t *q;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8098 diff changeset	4718 ngx_quic_client_id_t *cid;
8076 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4719
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4720 if (!ngx_queue_empty(&qc->free_client_ids)) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4721
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4722 q = ngx_queue_head(&qc->free_client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4723 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: 8074 diff changeset	4724
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4725 ngx_queue_remove(&cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4726
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4727 ngx_memzero(cid, sizeof(ngx_quic_client_id_t));
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4728
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4729 } else {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4730
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4731 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: 8074 diff changeset	4732 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4733 return NULL;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4734 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4735 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4736
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4737 return cid;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4738 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4739
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8074 diff changeset	4740
8198 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4741 static ngx_quic_server_id_t *
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4742 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: 8197 diff changeset	4743 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4744 ngx_queue_t *q;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4745 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4746
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4747 if (!ngx_queue_empty(&qc->free_server_ids)) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4748
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4749 q = ngx_queue_head(&qc->free_server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4750 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4751
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4752 ngx_queue_remove(&sid->queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4753
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4754 ngx_memzero(sid, sizeof(ngx_quic_server_id_t));
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4755
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4756 } else {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4757
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4758 sid = ngx_pcalloc(c->pool, sizeof(ngx_quic_server_id_t));
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4759 if (sid == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4760 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4761 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4762 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4763
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4764 return sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4765 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4766
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8197 diff changeset	4767
8386 714e9af983de QUIC: separate header for ngx_quic_connection_t. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	4768 void
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4769 ngx_quic_queue_frame(ngx_quic_connection_t qc, ngx_quic_frame_t frame)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4770 {
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	4771 ngx_quic_send_ctx_t *ctx;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	4772
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	4773 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: 7794 diff changeset	4774
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	4775 ngx_queue_insert_tail(&ctx->frames, &frame->queue);
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	4776
7994 f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 7993 diff changeset	4777 frame->len = ngx_quic_create_frame(NULL, frame);
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 7993 diff changeset	4778 /* always succeeds */
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 7993 diff changeset	4779
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 7993 diff changeset	4780 if (qc->closing) {
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 7993 diff changeset	4781 return;
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 7993 diff changeset	4782 }
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 7993 diff changeset	4783
8055 924882f42dea QUIC: do not artificially delay sending queued frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8054 diff changeset	4784 ngx_post_event(&qc->push, &ngx_posted_events);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4785 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4786
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4787
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4788 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4789 ngx_quic_output(ngx_connection_t *c)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4790 {
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4791 off_t max;
8320 98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8296 diff changeset	4792 size_t len, min, in_flight;
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4793 ssize_t n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4794 u_char *p;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4795 ngx_uint_t i, pad;
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	4796 ngx_quic_send_ctx_t *ctx;
8320 98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8296 diff changeset	4797 ngx_quic_congestion_t *cg;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4798 ngx_quic_connection_t *qc;
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4799 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4800
7741 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	4801 c->log->action = "sending frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	4802
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4803 qc = ngx_quic_get_connection(c);
8320 98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8296 diff changeset	4804 cg = &qc->congestion;
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8296 diff changeset	4805
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8296 diff changeset	4806 in_flight = cg->in_flight;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4807
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4808 for ( ;; ) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4809 p = dst;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4810
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4811 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: 8241 diff changeset	4812 NGX_QUIC_MAX_UDP_PAYLOAD_SIZE);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4813
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4814 if (!qc->validated) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4815 max = qc->received * 3;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4816 max = (c->sent >= max) ? 0 : max - c->sent;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4817 len = ngx_min(len, (size_t) max);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4818 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4819
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4820 pad = ngx_quic_get_padding_level(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4821
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4822 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: 8241 diff changeset	4823
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4824 ctx = &qc->send_ctx[i];
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4825
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4826 if (ngx_quic_generate_ack(c, ctx) != NGX_OK) {
8155 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	4827 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8154 diff changeset	4828 }
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4829
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4830 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: 8241 diff changeset	4831 ? NGX_QUIC_MIN_INITIAL_SIZE - (p - dst) : 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4832
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4833 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: 8241 diff changeset	4834 if (n == NGX_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4835 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4836 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4837
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4838 p += n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4839 len -= n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4840 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4841
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4842 len = p - dst;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4843 if (len == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4844 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4845 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4846
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4847 n = ngx_quic_send(c, dst, len);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4848 if (n == NGX_ERROR) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4849 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4850 }
8320 98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8296 diff changeset	4851 }
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8296 diff changeset	4852
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8296 diff changeset	4853 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: 8296 diff changeset	4854 qc->send_timer_set = 1;
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet. Roman Arutyunyan <arut@nginx.com> parents: 8296 diff changeset	4855 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
7737 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	4856 }
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	4857
8290 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	4858 ngx_quic_set_lost_timer(c);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	4859
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4860 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4861 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4862
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4863
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4864 static ngx_uint_t
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4865 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: 8241 diff changeset	4866 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4867 ngx_queue_t *q;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4868 ngx_quic_frame_t *f;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4869 ngx_quic_send_ctx_t *ctx;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4870 ngx_quic_connection_t *qc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4871
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4872 /*
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4873 * 14.1. Initial Datagram Size
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4874 *
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4875 * 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: 8241 diff changeset	4876 * 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: 8241 diff changeset	4877 * allowed maximum datagram size of 1200 bytes
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4878 */
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4879
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4880 qc = ngx_quic_get_connection(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4881 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: 8241 diff changeset	4882
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4883 for (q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4884 q != ngx_queue_sentinel(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4885 q = ngx_queue_next(q))
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4886 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4887 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: 8241 diff changeset	4888
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4889 if (f->need_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4890 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: 8241 diff changeset	4891
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4892 if (ngx_queue_empty(&ctx->frames)) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4893 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4894 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4895
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4896 return 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4897 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4898 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4899
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4900 return NGX_QUIC_SEND_CTX_LAST;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4901 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4902
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4903
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4904 static ngx_int_t
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4905 ngx_quic_generate_ack(ngx_connection_t c, ngx_quic_send_ctx_t ctx)
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4906 {
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4907 ngx_msec_t delay;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4908 ngx_quic_connection_t *qc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4909
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4910 if (!ctx->send_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4911 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4912 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4913
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4914 if (ctx->level == ssl_encryption_application) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4915
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4916 delay = ngx_current_msec - ctx->ack_delay_start;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4917 qc = ngx_quic_get_connection(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4918
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4919 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: 8241 diff changeset	4920 && delay < qc->tp.max_ack_delay)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4921 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4922 if (!qc->push.timer_set && !qc->closing) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4923 ngx_add_timer(&qc->push,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4924 qc->tp.max_ack_delay - delay);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4925 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4926
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4927 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4928 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4929 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4930
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4931 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: 8241 diff changeset	4932 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4933 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4934
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4935 ctx->send_ack = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4936
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4937 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4938 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4939
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4940
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4941 static ssize_t
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4942 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: 8241 diff changeset	4943 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: 8241 diff changeset	4944 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4945 size_t len, hlen, pad_len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4946 u_char *p;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4947 ssize_t flen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4948 ngx_str_t out, res;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4949 ngx_int_t rc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4950 ngx_uint_t nframes;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4951 ngx_msec_t now;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4952 ngx_queue_t *q;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4953 ngx_quic_frame_t *f;
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4954 ngx_quic_header_t pkt;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4955 ngx_quic_congestion_t *cg;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4956 ngx_quic_connection_t *qc;
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4957 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: 8241 diff changeset	4958
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4959 if (ngx_queue_empty(&ctx->frames)) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4960 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4961 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4962
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4963 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: 8241 diff changeset	4964 "quic output %s packet max:%uz min:%uz",
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4965 ngx_quic_level_name(ctx->level), max, min);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4966
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	4967 qc = ngx_quic_get_connection(c);
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4968 cg = &qc->congestion;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4969
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4970 hlen = (ctx->level == ssl_encryption_application)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4971 ? NGX_QUIC_MAX_SHORT_HEADER
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4972 : NGX_QUIC_MAX_LONG_HEADER;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4973
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4974 hlen += EVP_GCM_TLS_TAG_LEN;
8149 44991d728899 QUIC: account packet header length in amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8148 diff changeset	4975 hlen -= NGX_QUIC_MAX_CID_LEN - qc->scid.len;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4976
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4977 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4978
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4979 now = ngx_current_msec;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4980 nframes = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4981 p = src;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4982 len = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4983
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4984 for (q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4985 q != ngx_queue_sentinel(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4986 q = ngx_queue_next(q))
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4987 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4988 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: 8241 diff changeset	4989
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4990 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: 8241 diff changeset	4991 max = cg->window;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4992 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4993
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4994 if (hlen + len >= max) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4995 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4996 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4997
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4998 if (hlen + len + f->len > max) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	4999 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: 8241 diff changeset	5000
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5001 if (rc == NGX_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5002 return NGX_ERROR;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5003 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5004
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5005 if (rc == NGX_DECLINED) {
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	5006 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	5007 }
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5008 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5009
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5010 if (f->need_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5011 pkt.need_ack = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5012 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5013
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5014 ngx_quic_log_frame(c->log, f, 1);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5015
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5016 flen = ngx_quic_create_frame(p, f);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5017 if (flen == -1) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5018 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5019 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5020
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5021 len += flen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5022 p += flen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5023
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5024 f->pnum = ctx->pnum;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5025 f->first = now;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5026 f->last = now;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5027 f->plen = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5028
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5029 nframes++;
8291 9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5030
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5031 if (f->flush) {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5032 break;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5033 }
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5034 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5035
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5036 if (nframes == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5037 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5038 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5039
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5040 out.data = src;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5041 out.len = len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5042
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5043 pkt.keys = qc->keys;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5044 pkt.flags = NGX_QUIC_PKT_FIXED_BIT;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5045
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5046 if (ctx->level == ssl_encryption_initial) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5047 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: 8241 diff changeset	5048
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5049 } else if (ctx->level == ssl_encryption_handshake) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5050 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: 8241 diff changeset	5051
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5052 } else {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5053 if (qc->key_phase) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5054 pkt.flags \|= NGX_QUIC_PKT_KPHASE;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5055 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5056 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5057
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5058 ngx_quic_set_packet_number(&pkt, ctx);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5059
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5060 pkt.version = qc->version;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5061 pkt.log = c->log;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5062 pkt.level = ctx->level;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5063 pkt.dcid = qc->scid;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5064 pkt.scid = qc->dcid;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5065
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5066 pad_len = 4;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5067
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5068 if (min) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5069 hlen = EVP_GCM_TLS_TAG_LEN
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5070 + 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: 8241 diff changeset	5071
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5072 if (min > hlen + pad_len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5073 pad_len = min - hlen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5074 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5075 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5076
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5077 if (out.len < pad_len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5078 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: 8241 diff changeset	5079 out.len = pad_len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5080 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5081
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5082 pkt.payload = out;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5083
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5084 res.data = data;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5085
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5086 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: 8241 diff changeset	5087 "quic packet tx %s bytes:%ui"
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5088 " 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: 8241 diff changeset	5089 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: 8241 diff changeset	5090 pkt.number, pkt.num_len, pkt.trunc);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5091
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5092 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5093 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5094 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5095
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5096 ctx->pnum++;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5097
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5098 if (pkt.need_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5099 /* 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: 8241 diff changeset	5100
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5101 if (!qc->closing) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5102 q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5103 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: 8241 diff changeset	5104 f->plen = res.len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5105
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5106 do {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5107 q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5108 ngx_queue_remove(q);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5109 ngx_queue_insert_tail(&ctx->sent, q);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5110 } while (--nframes);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5111 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5112
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5113 cg->in_flight += res.len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5114
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5115 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: 8241 diff changeset	5116 "quic congestion send if:%uz", cg->in_flight);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5117 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5118
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5119 while (nframes--) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5120 q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5121 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: 8241 diff changeset	5122
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5123 ngx_queue_remove(q);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5124 ngx_quic_free_frame(c, f);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5125 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5126
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5127 return res.len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5128 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5129
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5130
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5131 static ngx_int_t
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5132 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: 8241 diff changeset	5133 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5134 size_t shrink;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5135 ngx_quic_frame_t *nf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5136 ngx_quic_ordered_frame_t of, onf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5137
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5138 switch (f->type) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5139 case NGX_QUIC_FT_CRYPTO:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5140 case NGX_QUIC_FT_STREAM0:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5141 case NGX_QUIC_FT_STREAM1:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5142 case NGX_QUIC_FT_STREAM2:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5143 case NGX_QUIC_FT_STREAM3:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5144 case NGX_QUIC_FT_STREAM4:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5145 case NGX_QUIC_FT_STREAM5:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5146 case NGX_QUIC_FT_STREAM6:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5147 case NGX_QUIC_FT_STREAM7:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5148 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5149
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5150 default:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5151 return NGX_DECLINED;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5152 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5153
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5154 if ((size_t) f->len <= len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5155 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5156 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5157
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5158 shrink = f->len - len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5159
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5160 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: 8241 diff changeset	5161 "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: 8241 diff changeset	5162 f->len, len, shrink);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5163
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5164 of = &f->u.ord;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5165
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5166 if (of->length <= shrink) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5167 return NGX_DECLINED;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5168 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5169
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5170 of->length -= shrink;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5171 f->len = ngx_quic_create_frame(NULL, f);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5172
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5173 if ((size_t) f->len > len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5174 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: 8241 diff changeset	5175 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5176 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5177
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5178 nf = ngx_quic_alloc_frame(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5179 if (nf == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5180 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5181 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5182
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5183 nf = f;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5184 onf = &nf->u.ord;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5185 onf->offset += of->length;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5186 onf->length = shrink;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5187 nf->len = ngx_quic_create_frame(NULL, nf);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5188
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5189 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: 8241 diff changeset	5190 if (nf->data == NGX_CHAIN_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5191 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5192 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5193
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	5194 ngx_queue_insert_after(&f->queue, &nf->queue);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5195
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5196 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5197 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5198
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5199
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5200 static void
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5201 ngx_quic_free_frames(ngx_connection_t c, ngx_queue_t frames)
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5202 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5203 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5204 ngx_quic_frame_t *f;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5205
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5206 do {
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	5207 q = ngx_queue_head(frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	5208
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	5209 if (q == ngx_queue_sentinel(frames)) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	5210 break;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	5211 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	5212
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	5213 ngx_queue_remove(q);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	5214
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5215 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5216
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5217 ngx_quic_free_frame(c, f);
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	5218 } while (1);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5219 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5220
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5221
8240 43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5222 static ssize_t
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5223 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: 8239 diff changeset	5224 {
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5225 ngx_buf_t b;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5226 ngx_chain_t cl, *res;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5227
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5228 ngx_memzero(&b, sizeof(ngx_buf_t));
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5229
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5230 b.pos = b.start = buf;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5231 b.last = b.end = buf + len;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5232 b.last_buf = 1;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5233 b.temporary = 1;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5234
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5235 cl.buf = &b;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5236 cl.next= NULL;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5237
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5238 res = c->send_chain(c, &cl, 0);
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5239 if (res == NGX_CHAIN_ERROR) {
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5240 return NGX_ERROR;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5241 }
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5242
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5243 return len;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5244 }
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5245
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	5246
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5247 static void
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	5248 ngx_quic_set_packet_number(ngx_quic_header_t pkt, ngx_quic_send_ctx_t ctx)
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5249 {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5250 uint64_t delta;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5251
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	5252 delta = ctx->pnum - ctx->largest_ack;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	5253 pkt->number = ctx->pnum;
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5254
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5255 if (delta <= 0x7F) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5256 pkt->num_len = 1;
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	5257 pkt->trunc = ctx->pnum & 0xff;
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5258
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5259 } else if (delta <= 0x7FFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5260 pkt->num_len = 2;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5261 pkt->flags \|= 0x1;
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	5262 pkt->trunc = ctx->pnum & 0xffff;
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5263
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5264 } else if (delta <= 0x7FFFFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5265 pkt->num_len = 3;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5266 pkt->flags \|= 0x2;
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	5267 pkt->trunc = ctx->pnum & 0xffffff;
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5268
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5269 } else {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5270 pkt->num_len = 4;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5271 pkt->flags \|= 0x3;
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	5272 pkt->trunc = ctx->pnum & 0xffffffff;
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5273 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5274 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5275
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5276
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	5277 static void
7990 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 7989 diff changeset	5278 ngx_quic_pto_handler(ngx_event_t *ev)
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5279 {
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5280 ngx_uint_t i;
8291 9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5281 ngx_msec_t now;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5282 ngx_queue_t q, next;
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5283 ngx_connection_t *c;
8291 9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5284 ngx_quic_frame_t *f;
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5285 ngx_quic_send_ctx_t *ctx;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5286 ngx_quic_connection_t *qc;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5287
7990 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 7989 diff changeset	5288 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic pto timer");
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5289
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5290 c = ev->data;
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	5291 qc = ngx_quic_get_connection(c);
8291 9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5292 now = ngx_current_msec;
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5293
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5294 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: 8050 diff changeset	5295
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5296 ctx = &qc->send_ctx[i];
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5297
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5298 if (ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5299 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5300 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5301
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5302 q = ngx_queue_head(&ctx->sent);
8291 9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5303 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5304
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5305 if (f->pnum <= ctx->largest_ack
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	5306 && ctx->largest_ack != NGX_QUIC_UNSET_PN)
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5307 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5308 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5309 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5310
8291 9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5311 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: 8290 diff changeset	5312 continue;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5313 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5314
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5315 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5316 "quic pto %s pto_count:%ui",
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5317 ngx_quic_level_name(ctx->level), qc->pto_count);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5318
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5319 for (q = ngx_queue_head(&ctx->frames);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5320 q != ngx_queue_sentinel(&ctx->frames);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5321 /* void */)
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5322 {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5323 next = ngx_queue_next(q);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5324 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5325
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5326 if (f->type == NGX_QUIC_FT_PING) {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5327 ngx_queue_remove(q);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5328 ngx_quic_free_frame(c, f);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5329 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5330
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5331 q = next;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5332 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5333
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5334 for (q = ngx_queue_head(&ctx->sent);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5335 q != ngx_queue_sentinel(&ctx->sent);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5336 /* void */)
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5337 {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5338 next = ngx_queue_next(q);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5339 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5340
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5341 if (f->type == NGX_QUIC_FT_PING) {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5342 ngx_quic_congestion_lost(c, f);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5343 ngx_queue_remove(q);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5344 ngx_quic_free_frame(c, f);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5345 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5346
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5347 q = next;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5348 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5349
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5350 /* enforce 2 udp datagrams */
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5351
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5352 f = ngx_quic_alloc_frame(c);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5353 if (f == NULL) {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5354 break;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5355 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5356
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5357 f->level = ctx->level;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5358 f->type = NGX_QUIC_FT_PING;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5359 f->flush = 1;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5360
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5361 ngx_quic_queue_frame(qc, f);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5362
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5363 f = ngx_quic_alloc_frame(c);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5364 if (f == NULL) {
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5365 break;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5366 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5367
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5368 f->level = ctx->level;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5369 f->type = NGX_QUIC_FT_PING;
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5370
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5371 ngx_quic_queue_frame(qc, f);
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5372 }
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5373
9ed95726b99b QUIC: send PING frames on PTO expiration. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5374 qc->pto_count++;
8166 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	5375
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	5376 ngx_quic_connstate_dbg(c);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5377 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5378
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5379
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	5380 static void
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	5381 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	5382 {
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	5383 ngx_connection_t *c;
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	5384
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	5385 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic push timer");
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	5386
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	5387 c = ev->data;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	5388
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	5389 if (ngx_quic_output(c) != NGX_OK) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	5390 ngx_quic_close_connection(c, NGX_ERROR);
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	5391 return;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	5392 }
8166 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	5393
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	5394 ngx_quic_connstate_dbg(c);
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	5395 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	5396
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	5397
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5398 static
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5399 void ngx_quic_lost_handler(ngx_event_t *ev)
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5400 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5401 ngx_connection_t *c;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5402
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5403 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: 8050 diff changeset	5404
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5405 c = ev->data;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5406
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5407 if (ngx_quic_detect_lost(c) != NGX_OK) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5408 ngx_quic_close_connection(c, NGX_ERROR);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5409 }
8166 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	5410
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8165 diff changeset	5411 ngx_quic_connstate_dbg(c);
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5412 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5413
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5414
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5415 static ngx_int_t
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5416 ngx_quic_detect_lost(ngx_connection_t *c)
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5417 {
7992 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5418 ngx_uint_t i;
8290 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5419 ngx_msec_t now, wait, thr;
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5420 ngx_queue_t *q;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5421 ngx_quic_frame_t *start;
7992 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5422 ngx_quic_send_ctx_t *ctx;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5423 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5424
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	5425 qc = ngx_quic_get_connection(c);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5426 now = ngx_current_msec;
8290 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5427 thr = ngx_quic_lost_threshold(qc);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5428
7992 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5429 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5430
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5431 ctx = &qc->send_ctx[i];
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5432
8157 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8156 diff changeset	5433 if (ctx->largest_ack == NGX_QUIC_UNSET_PN) {
8053 4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8052 diff changeset	5434 continue;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8052 diff changeset	5435 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8052 diff changeset	5436
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5437 while (!ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5438
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5439 q = ngx_queue_head(&ctx->sent);
7992 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5440 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5441
8053 4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8052 diff changeset	5442 if (start->pnum > ctx->largest_ack) {
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8052 diff changeset	5443 break;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8052 diff changeset	5444 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8052 diff changeset	5445
7992 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5446 wait = start->last + thr - now;
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5447
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5448 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8057 de7d6d943f68 QUIC: fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8056 diff changeset	5449 "quic detect_lost pnum:%uL thr:%M wait:%i level:%d",
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5450 start->pnum, thr, (ngx_int_t) wait, start->level);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5451
8054 355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8053 diff changeset	5452 if ((ngx_msec_int_t) wait > 0
355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8053 diff changeset	5453 && 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: 8053 diff changeset	5454 {
355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8053 diff changeset	5455 break;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5456 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	5457
8094 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5458 ngx_quic_resend_frames(c, ctx);
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5459 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5460 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5461
8290 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5462 ngx_quic_set_lost_timer(c);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5463
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5464 return NGX_OK;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5465 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5466
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5467
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5468 static void
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5469 ngx_quic_set_lost_timer(ngx_connection_t *c)
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5470 {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5471 ngx_uint_t i;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5472 ngx_msec_t now;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5473 ngx_queue_t *q;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5474 ngx_msec_int_t lost, pto, w;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5475 ngx_quic_frame_t *f;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5476 ngx_quic_send_ctx_t *ctx;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5477 ngx_quic_connection_t *qc;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5478
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5479 qc = ngx_quic_get_connection(c);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5480 now = ngx_current_msec;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5481
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5482 lost = -1;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5483 pto = -1;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5484
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5485 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5486 ctx = &qc->send_ctx[i];
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5487
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5488 if (ngx_queue_empty(&ctx->sent)) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5489 continue;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5490 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5491
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5492 if (ctx->largest_ack != NGX_QUIC_UNSET_PN) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5493 q = ngx_queue_head(&ctx->sent);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5494 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5495 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: 8289 diff changeset	5496
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5497 if (f->pnum <= ctx->largest_ack) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5498 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: 8289 diff changeset	5499 w = 0;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5500 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5501
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5502 if (lost == -1 \|\| w < lost) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5503 lost = w;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5504 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5505 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5506 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5507
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5508 q = ngx_queue_last(&ctx->sent);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5509 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5510 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: 8289 diff changeset	5511
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5512 if (w < 0) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5513 w = 0;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5514 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5515
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5516 if (pto == -1 \|\| w < pto) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5517 pto = w;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5518 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5519 }
7992 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5520
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5521 if (qc->pto.timer_set) {
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5522 ngx_del_timer(&qc->pto);
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5523 }
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 7991 diff changeset	5524
8290 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5525 if (lost != -1) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5526 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5527 "quic lost timer lost:%M", lost);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5528
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5529 qc->pto.handler = ngx_quic_lost_handler;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5530 ngx_add_timer(&qc->pto, lost);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5531 return;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5532 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5533
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5534 if (pto != -1) {
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5535 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5536 "quic lost timer pto:%M", pto);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5537
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5538 qc->pto.handler = ngx_quic_pto_handler;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5539 ngx_add_timer(&qc->pto, pto);
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5540 return;
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5541 }
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5542
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8289 diff changeset	5543 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic lost timer unset");
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5544 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5545
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5546
8094 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5547 static void
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5548 ngx_quic_resend_frames(ngx_connection_t c, ngx_quic_send_ctx_t ctx)
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5549 {
8176 69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5550 size_t n;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5551 ngx_buf_t *b;
8094 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5552 ngx_queue_t *q;
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5553 ngx_quic_frame_t f, start;
8176 69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5554 ngx_quic_stream_t *sn;
8094 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5555 ngx_quic_connection_t *qc;
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5556
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	5557 qc = ngx_quic_get_connection(c);
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5558 q = ngx_queue_head(&ctx->sent);
8094 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5559 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: 8091 diff changeset	5560
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5561 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: 8091 diff changeset	5562 "quic resend packet pnum:%uL", start->pnum);
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5563
8175 64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8174 diff changeset	5564 ngx_quic_congestion_lost(c, start);
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8174 diff changeset	5565
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5566 do {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5567 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: 8050 diff changeset	5568
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5569 if (f->pnum != start->pnum) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5570 break;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5571 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5572
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5573 q = ngx_queue_next(q);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5574
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5575 ngx_queue_remove(&f->queue);
8175 64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8174 diff changeset	5576
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8174 diff changeset	5577 switch (f->type) {
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8174 diff changeset	5578 case NGX_QUIC_FT_ACK:
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8174 diff changeset	5579 case NGX_QUIC_FT_ACK_ECN:
8289 88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake. Roman Arutyunyan <arut@nginx.com> parents: 8288 diff changeset	5580 if (ctx->level == ssl_encryption_application) {
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake. Roman Arutyunyan <arut@nginx.com> parents: 8288 diff changeset	5581 /* force generation of most recent acknowledgment */
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake. Roman Arutyunyan <arut@nginx.com> parents: 8288 diff changeset	5582 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake. Roman Arutyunyan <arut@nginx.com> parents: 8288 diff changeset	5583 }
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake. Roman Arutyunyan <arut@nginx.com> parents: 8288 diff changeset	5584
8175 64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8174 diff changeset	5585 ngx_quic_free_frame(c, f);
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8174 diff changeset	5586 break;
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8174 diff changeset	5587
8176 69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5588 case NGX_QUIC_FT_PING:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5589 case NGX_QUIC_FT_PATH_RESPONSE:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5590 case NGX_QUIC_FT_CONNECTION_CLOSE:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5591 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5592 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5593
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5594 case NGX_QUIC_FT_MAX_DATA:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5595 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: 8175 diff changeset	5596 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5597 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5598
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5599 case NGX_QUIC_FT_MAX_STREAMS:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5600 case NGX_QUIC_FT_MAX_STREAMS2:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5601 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: 8175 diff changeset	5602 ? qc->streams.client_max_streams_bidi
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5603 : qc->streams.client_max_streams_uni;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5604 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5605 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5606
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5607 case NGX_QUIC_FT_MAX_STREAM_DATA:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5608 sn = ngx_quic_find_stream(&qc->streams.tree,
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5609 f->u.max_stream_data.id);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5610 if (sn == NULL) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5611 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5612 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5613 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5614
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5615 b = sn->b;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5616 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: 8175 diff changeset	5617
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5618 if (f->u.max_stream_data.limit < n) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5619 f->u.max_stream_data.limit = n;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5620 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5621
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5622 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5623 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5624
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5625 case NGX_QUIC_FT_STREAM0:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5626 case NGX_QUIC_FT_STREAM1:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5627 case NGX_QUIC_FT_STREAM2:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5628 case NGX_QUIC_FT_STREAM3:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5629 case NGX_QUIC_FT_STREAM4:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5630 case NGX_QUIC_FT_STREAM5:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5631 case NGX_QUIC_FT_STREAM6:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5632 case NGX_QUIC_FT_STREAM7:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5633 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: 8175 diff changeset	5634
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5635 if (sn && sn->c->write->error) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5636 /* RESET_STREAM was sent */
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5637 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5638 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5639 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5640
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5641 /* fall through */
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8175 diff changeset	5642
8175 64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8174 diff changeset	5643 default:
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8174 diff changeset	5644 ngx_queue_insert_tail(&ctx->frames, &f->queue);
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8174 diff changeset	5645 }
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5646
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5647 } while (q != ngx_queue_sentinel(&ctx->sent));
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5648
8094 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5649 if (qc->closing) {
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5650 return;
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5651 }
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5652
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8091 diff changeset	5653 ngx_post_event(&qc->push, &ngx_posted_events);
8051 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5654 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5655
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8050 diff changeset	5656
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5657 ngx_connection_t *
8013 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5658 ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi)
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5659 {
8013 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5660 size_t rcvbuf_size;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5661 uint64_t id;
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	5662 ngx_quic_stream_t qs, sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	5663 ngx_quic_connection_t *qc;
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5664
8200 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8199 diff changeset	5665 qs = c->quic;
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	5666 qc = ngx_quic_get_connection(qs->parent);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5667
8013 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5668 if (bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5669 if (qc->streams.server_streams_bidi
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5670 >= qc->streams.server_max_streams_bidi)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5671 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5672 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	5673 "quic too many server bidi streams:%uL",
8013 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5674 qc->streams.server_streams_bidi);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5675 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5676 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5677
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5678 id = (qc->streams.server_streams_bidi << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5679 \| NGX_QUIC_STREAM_SERVER_INITIATED;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5680
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5681 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	5682 "quic creating server bidi stream"
eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	5683 " streams:%uL max:%uL id:0x%xL",
8013 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5684 qc->streams.server_streams_bidi,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5685 qc->streams.server_max_streams_bidi, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5686
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5687 qc->streams.server_streams_bidi++;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5688 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: 8004 diff changeset	5689
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5690 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5691 if (qc->streams.server_streams_uni
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5692 >= qc->streams.server_max_streams_uni)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5693 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5694 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	5695 "quic too many server uni streams:%uL",
8013 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5696 qc->streams.server_streams_uni);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5697 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5698 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5699
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5700 id = (qc->streams.server_streams_uni << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5701 \| NGX_QUIC_STREAM_SERVER_INITIATED
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5702 \| NGX_QUIC_STREAM_UNIDIRECTIONAL;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5703
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5704 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	5705 "quic creating server uni stream"
eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	5706 " streams:%uL max:%uL id:0x%xL",
8013 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5707 qc->streams.server_streams_uni,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5708 qc->streams.server_max_streams_uni, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5709
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5710 qc->streams.server_streams_uni++;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5711 rcvbuf_size = 0;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5712 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5713
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8004 diff changeset	5714 sn = ngx_quic_create_stream(qs->parent, id, rcvbuf_size);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5715 if (sn == NULL) {
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5716 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5717 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5718
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5719 return sn->c;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5720 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5721
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5722
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5723 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5724 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5725 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5726 {
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	5727 ngx_rbtree_node_t **p;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	5728 ngx_quic_stream_t qn, qnt;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5729
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5730 for ( ;; ) {
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	5731 qn = (ngx_quic_stream_t *) node;
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	5732 qnt = (ngx_quic_stream_t *) temp;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5733
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	5734 p = (qn->id < qnt->id) ? &temp->left : &temp->right;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5735
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5736 if (*p == sentinel) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5737 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5738 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5739
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5740 temp = *p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5741 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5742
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5743 *p = node;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5744 node->parent = temp;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5745 node->left = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5746 node->right = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5747 ngx_rbt_red(node);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5748 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5749
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5750
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	5751 static ngx_quic_stream_t *
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	5752 ngx_quic_find_stream(ngx_rbtree_t *rbtree, uint64_t id)
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5753 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5754 ngx_rbtree_node_t node, sentinel;
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	5755 ngx_quic_stream_t *qn;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5756
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5757 node = rbtree->root;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5758 sentinel = rbtree->sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5759
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5760 while (node != sentinel) {
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	5761 qn = (ngx_quic_stream_t *) node;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5762
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	5763 if (id == qn->id) {
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	5764 return qn;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5765 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5766
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	5767 node = (id < qn->id) ? node->left : node->right;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5768 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5769
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5770 return NULL;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5771 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5772
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5773
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	5774 static ngx_quic_stream_t *
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5775 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: 8021 diff changeset	5776 {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5777 size_t n;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5778 uint64_t min_id;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5779 ngx_quic_stream_t *sn;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5780 ngx_quic_connection_t *qc;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5781
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5782 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	5783 "quic stream id:0x%xL is new", id);
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5784
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	5785 qc = ngx_quic_get_connection(c);
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5786
8359 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	5787 if (qc->shutdown) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	5788 return NGX_QUIC_STREAM_GONE;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	5789 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	5790
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5791 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5792
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5793 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: 8021 diff changeset	5794 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: 8021 diff changeset	5795 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5796 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5797
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5798 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: 8021 diff changeset	5799 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5800 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5801
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5802 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: 8021 diff changeset	5803 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5804 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5805
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5806 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: 8021 diff changeset	5807 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: 8021 diff changeset	5808 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5809 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5810
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5811 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: 8021 diff changeset	5812 \| NGX_QUIC_STREAM_UNIDIRECTIONAL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5813 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: 8021 diff changeset	5814 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: 8021 diff changeset	5815
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5816 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5817
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5818 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: 8021 diff changeset	5819 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: 8021 diff changeset	5820 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5821 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5822
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5823 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: 8021 diff changeset	5824 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5825 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5826
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5827 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: 8021 diff changeset	5828 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5829 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5830
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5831 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: 8021 diff changeset	5832 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: 8021 diff changeset	5833 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5834 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5835
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5836 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: 8021 diff changeset	5837 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: 8021 diff changeset	5838 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: 8021 diff changeset	5839 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5840
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5841 if (n < NGX_QUIC_STREAM_BUFSIZE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5842 n = NGX_QUIC_STREAM_BUFSIZE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5843 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5844
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5845 /*
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5846 * 2.1. Stream Types and Identifiers
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5847 *
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5848 * 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: 8021 diff changeset	5849 * 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: 8021 diff changeset	5850 * 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: 8021 diff changeset	5851 * opened.
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5852 */
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5853
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5854 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: 8021 diff changeset	5855
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5856 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: 8021 diff changeset	5857 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5858 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5859 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5860
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5861 sn->c->listening->handler(sn->c);
8359 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	5862
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	5863 if (qc->shutdown) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	5864 return NGX_QUIC_STREAM_GONE;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	5865 }
8022 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5866 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5867
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5868 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: 8021 diff changeset	5869 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5870
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5871
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8021 diff changeset	5872 static ngx_quic_stream_t *
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5873 ngx_quic_create_stream(ngx_connection_t *c, uint64_t id, size_t rcvbuf_size)
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5874 {
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5875 ngx_log_t *log;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5876 ngx_pool_t *pool;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5877 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5878 ngx_pool_cleanup_t *cln;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5879 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5880
8014 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	5881 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	5882 "quic stream id:0x%xL create", id);
8014 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	5883
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	5884 qc = ngx_quic_get_connection(c);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5885
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5886 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5887 if (pool == NULL) {
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5888 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5889 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5890
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5891 sn = ngx_pcalloc(pool, sizeof(ngx_quic_stream_t));
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5892 if (sn == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5893 ngx_destroy_pool(pool);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5894 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5895 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5896
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5897 sn->node.key = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5898 sn->parent = c;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5899 sn->id = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5900
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5901 sn->b = ngx_create_temp_buf(pool, rcvbuf_size);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5902 if (sn->b == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5903 ngx_destroy_pool(pool);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5904 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5905 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5906
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	5907 ngx_queue_init(&sn->fs.frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	5908
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5909 log = ngx_palloc(pool, sizeof(ngx_log_t));
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5910 if (log == NULL) {
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5911 ngx_destroy_pool(pool);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5912 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5913 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5914
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5915 log = c->log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5916 pool->log = log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5917
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5918 sn->c = ngx_get_connection(-1, log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5919 if (sn->c == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5920 ngx_destroy_pool(pool);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5921 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5922 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5923
8200 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8199 diff changeset	5924 sn->c->quic = sn;
8000 893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 7999 diff changeset	5925 sn->c->type = SOCK_STREAM;
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5926 sn->c->pool = pool;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5927 sn->c->ssl = c->ssl;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5928 sn->c->sockaddr = c->sockaddr;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5929 sn->c->listening = c->listening;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5930 sn->c->addr_text = c->addr_text;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5931 sn->c->local_sockaddr = c->local_sockaddr;
8138 d57cfdebe301 QUIC: set local_socklen in stream connections. Roman Arutyunyan <arut@nginx.com> parents: 8137 diff changeset	5932 sn->c->local_socklen = c->local_socklen;
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5933 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5934
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5935 sn->c->recv = ngx_quic_stream_recv;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5936 sn->c->send = ngx_quic_stream_send;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5937 sn->c->send_chain = ngx_quic_stream_send_chain;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5938
7997 b250b515e5b6 QUIC: fixed stream read event log. Roman Arutyunyan <arut@nginx.com> parents: 7996 diff changeset	5939 sn->c->read->log = log;
b250b515e5b6 QUIC: fixed stream read event log. Roman Arutyunyan <arut@nginx.com> parents: 7996 diff changeset	5940 sn->c->write->log = log;
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5941
7839 44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 7838 diff changeset	5942 log->connection = sn->c->number;
44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 7838 diff changeset	5943
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	5944 if ((id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	5945 \|\| (id & NGX_QUIC_STREAM_SERVER_INITIATED))
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	5946 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	5947 sn->c->write->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	5948 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	5949
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5950 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5951 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5952 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: 7841 diff changeset	5953 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5954
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5955 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5956 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5957 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: 7841 diff changeset	5958 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5959 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: 7841 diff changeset	5960 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5961 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	5962
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	5963 cln = ngx_pool_cleanup_add(pool, 0);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	5964 if (cln == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	5965 ngx_close_connection(sn->c);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	5966 ngx_destroy_pool(pool);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	5967 return NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	5968 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	5969
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	5970 cln->handler = ngx_quic_stream_cleanup_handler;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	5971 cln->data = sn->c;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	5972
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	5973 ngx_rbtree_insert(&qc->streams.tree, &sn->node);
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	5974
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5975 return sn;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5976 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5977
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	5978
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5979 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5980 ngx_quic_stream_recv(ngx_connection_t c, u_char buf, size_t size)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5981 {
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	5982 ssize_t len;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	5983 ngx_buf_t *b;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	5984 ngx_event_t *rev;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	5985 ngx_connection_t *pc;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	5986 ngx_quic_frame_t *frame;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	5987 ngx_quic_stream_t *qs;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	5988 ngx_quic_connection_t *qc;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5989
8200 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8199 diff changeset	5990 qs = c->quic;
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	5991 b = qs->b;
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	5992 pc = qs->parent;
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	5993 qc = ngx_quic_get_connection(pc);
7745 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	5994 rev = c->read;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	5995
8021 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	5996 if (rev->error) {
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	5997 return NGX_ERROR;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	5998 }
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	5999
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	6000 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	6001 "quic stream recv id:0x%xL eof:%d avail:%z",
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	6002 qs->id, rev->pending_eof, b->last - b->pos);
7745 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	6003
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	6004 if (b->pos == b->last) {
7745 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	6005 rev->ready = 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	6006
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	6007 if (rev->pending_eof) {
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	6008 rev->eof = 1;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	6009 return 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	6010 }
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	6011
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	6012 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	6013 "quic stream id:0x%xL recv() not ready", qs->id);
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	6014 return NGX_AGAIN;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6015 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6016
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6017 len = ngx_min(b->last - b->pos, (ssize_t) size);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6018
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6019 ngx_memcpy(buf, b->pos, len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6020
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6021 b->pos += len;
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	6022 qc->streams.received += len;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6023
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	6024 if (b->pos == b->last) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	6025 b->pos = b->start;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	6026 b->last = b->start;
7760 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	6027 rev->ready = rev->pending_eof;
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	6028 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	6029
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	6030 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	6031 "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: 8163 diff changeset	6032 qs->id, len, size);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6033
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6034 if (!rev->pending_eof) {
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6035 frame = ngx_quic_alloc_frame(pc);
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6036 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6037 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6038 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6039
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6040 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6041 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6042 frame->u.max_stream_data.id = qs->id;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6043 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: 7814 diff changeset	6044 + (b->end - b->last);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6045
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6046 ngx_quic_queue_frame(qc, frame);
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6047 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6048
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	6049 if ((qc->streams.recv_max_data / 2) < qc->streams.received) {
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6050
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6051 frame = ngx_quic_alloc_frame(pc);
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6052
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6053 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6054 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6055 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6056
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	6057 qc->streams.recv_max_data *= 2;
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6058
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6059 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6060 frame->type = NGX_QUIC_FT_MAX_DATA;
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	6061 frame->u.max_data.max_data = qc->streams.recv_max_data;
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6062
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6063 ngx_quic_queue_frame(qc, frame);
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6064
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	6065 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	6066 "quic stream id:0x%xL recv: increased max_data:%uL",
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	6067 qs->id, qc->streams.recv_max_data);
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6068 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	6069
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6070 return len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6071 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6072
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6073
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6074 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6075 ngx_quic_stream_send(ngx_connection_t c, u_char buf, size_t size)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6076 {
8027 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6077 ngx_buf_t b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6078 ngx_chain_t cl;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6079
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6080 ngx_memzero(&b, sizeof(ngx_buf_t));
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6081
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6082 b.memory = 1;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6083 b.pos = buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6084 b.last = buf + size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6085
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6086 cl.buf = &b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6087 cl.next = NULL;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6088
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6089 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: 8026 diff changeset	6090 return NGX_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6091 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6092
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6093 if (b.pos == buf) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6094 return NGX_AGAIN;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6095 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6096
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6097 return b.pos - buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6098 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6099
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6100
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6101 static ngx_chain_t *
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6102 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: 8026 diff changeset	6103 {
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6104 size_t n, flow;
8021 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	6105 ngx_event_t *wev;
8027 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6106 ngx_chain_t *cl;
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	6107 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	6108 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	6109 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	6110 ngx_quic_connection_t *qc;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6111
8200 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8199 diff changeset	6112 qs = c->quic;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6113 pc = qs->parent;
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6114 qc = ngx_quic_get_connection(pc);
8021 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	6115 wev = c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	6116
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8020 diff changeset	6117 if (wev->error) {
8027 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6118 return NGX_CHAIN_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6119 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6120
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6121 flow = ngx_quic_max_stream_flow(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6122 if (flow == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6123 wev->ready = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6124 return in;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6125 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6126
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6127 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: 8241 diff changeset	6128
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6129 frame = ngx_quic_alloc_frame(pc);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6130 if (frame == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6131 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6132 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6133
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6134 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: 8241 diff changeset	6135 if (frame->data == NGX_CHAIN_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6136 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6137 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6138
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6139 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: 8241 diff changeset	6140 n += ngx_buf_size(cl->buf);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6141 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6142
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6143 while (in && ngx_buf_size(in->buf) == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6144 in = in->next;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6145 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6146
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6147 frame->level = ssl_encryption_application;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6148 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: 8241 diff changeset	6149 frame->u.stream.off = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6150 frame->u.stream.len = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6151 frame->u.stream.fin = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6152
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6153 frame->u.stream.type = frame->type;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6154 frame->u.stream.stream_id = qs->id;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6155 frame->u.stream.offset = c->sent;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6156 frame->u.stream.length = n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6157
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6158 c->sent += n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6159 qc->streams.sent += n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6160
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6161 ngx_quic_queue_frame(qc, frame);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6162
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6163 wev->ready = (n < flow) ? 1 : 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6164
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6165 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: 8241 diff changeset	6166 "quic send_chain sent:%uz", n);
8027 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6167
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6168 return in;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6169 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6170
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6171
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6172 static size_t
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6173 ngx_quic_max_stream_flow(ngx_connection_t *c)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6174 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6175 size_t size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6176 uint64_t sent, unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6177 ngx_quic_stream_t *qs;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6178 ngx_quic_connection_t *qc;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6179
8200 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8199 diff changeset	6180 qs = c->quic;
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6181 qc = ngx_quic_get_connection(qs->parent);
8027 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6182
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6183 size = NGX_QUIC_STREAM_BUFSIZE;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6184 sent = c->sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6185 unacked = sent - qs->acked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6186
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6187 if (qc->streams.send_max_data == 0) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6188 qc->streams.send_max_data = qc->ctp.initial_max_data;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6189 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6190
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6191 if (unacked >= NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6192 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6193 "quic send flow hit buffer size");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6194 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6195 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6196
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6197 if (unacked + size > NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6198 size = NGX_QUIC_STREAM_BUFSIZE - unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6199 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6200
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6201 if (qc->streams.sent >= qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6202 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6203 "quic send flow hit MAX_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6204 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6205 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6206
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6207 if (qc->streams.sent + size > qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6208 size = qc->streams.send_max_data - qc->streams.sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6209 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6210
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6211 if (sent >= qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6212 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6213 "quic send flow hit MAX_STREAM_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6214 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6215 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6216
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6217 if (sent + size > qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6218 size = qs->send_max_data - sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6219 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6220
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6221 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	6222 "quic send flow:%uz", size);
8027 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6223
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8026 diff changeset	6224 return size;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6225 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6226
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	6227
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6228 static void
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6229 ngx_quic_stream_cleanup_handler(void *data)
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6230 {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6231 ngx_connection_t *c = data;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6232
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	6233 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	6234 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	6235 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	6236 ngx_quic_connection_t *qc;
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6237
8200 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8199 diff changeset	6238 qs = c->quic;
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6239 pc = qs->parent;
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6240 qc = ngx_quic_get_connection(pc);
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6241
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	6242 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	6243 "quic stream id:0x%xL cleanup", qs->id);
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	6244
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	6245 ngx_rbtree_delete(&qc->streams.tree, &qs->node);
7825 d42b50d239f4 Fixed memory leak with reordered stream frames. Vladimir Homutov <vl@nginx.com> parents: 7823 diff changeset	6246 ngx_quic_free_frames(pc, &qs->fs.frames);
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	6247
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	6248 if (qc->closing) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	6249 /* schedule handler call to continue ngx_quic_close_connection() */
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	6250 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: 7746 diff changeset	6251 return;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	6252 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	6253
8066 97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6254 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6255 \|\| (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0)
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6256 {
8077 62db595a86b5 QUIC: do not send STOP_SENDING after STREAM fin. Roman Arutyunyan <arut@nginx.com> parents: 8076 diff changeset	6257 if (!c->read->pending_eof && !c->read->error) {
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6258 frame = ngx_quic_alloc_frame(pc);
8066 97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6259 if (frame == NULL) {
8359 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6260 goto done;
8066 97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6261 }
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6262
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6263 frame->level = ssl_encryption_application;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6264 frame->type = NGX_QUIC_FT_STOP_SENDING;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6265 frame->u.stop_sending.id = qs->id;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6266 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: 8064 diff changeset	6267
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6268 ngx_quic_queue_frame(qc, frame);
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6269 }
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6270 }
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8064 diff changeset	6271
8014 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6272 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0) {
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6273 frame = ngx_quic_alloc_frame(pc);
8014 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6274 if (frame == NULL) {
8359 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6275 goto done;
8014 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6276 }
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6277
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6278 frame->level = ssl_encryption_application;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6279 frame->type = NGX_QUIC_FT_MAX_STREAMS;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6280
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6281 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6282 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: 8013 diff changeset	6283 frame->u.max_streams.bidi = 0;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6284
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6285 } else {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6286 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: 8013 diff changeset	6287 frame->u.max_streams.bidi = 1;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6288 }
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6289
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6290 ngx_quic_queue_frame(qc, frame);
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6291
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6292 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6293 /* do not send fin for client unidirectional streams */
8359 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6294 goto done;
8014 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8013 diff changeset	6295 }
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6296 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6297
8296 d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	6298 if (c->write->error) {
8359 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6299 goto done;
8296 d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	6300 }
d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	6301
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	6302 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8164 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8163 diff changeset	6303 "quic stream id:0x%xL send fin", qs->id);
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6304
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6305 frame = ngx_quic_alloc_frame(pc);
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6306 if (frame == NULL) {
8359 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6307 goto done;
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6308 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6309
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6310 frame->level = ssl_encryption_application;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6311 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: 7703 diff changeset	6312 frame->u.stream.off = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6313 frame->u.stream.len = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6314 frame->u.stream.fin = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6315
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6316 frame->u.stream.type = frame->type;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6317 frame->u.stream.stream_id = qs->id;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6318 frame->u.stream.offset = c->sent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6319 frame->u.stream.length = 0;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6320
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6321 ngx_quic_queue_frame(qc, frame);
7759 1ec905f4d851 Push QUIC stream frames in send() and cleanup handler. Roman Arutyunyan <arut@nginx.com> parents: 7756 diff changeset	6322
8359 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6323 done:
8296 d710c457171c QUIC: added ability to reset a stream. Sergey Kandaurov <pluknet@nginx.com> parents: 8295 diff changeset	6324
7759 1ec905f4d851 Push QUIC stream frames in send() and cleanup handler. Roman Arutyunyan <arut@nginx.com> parents: 7756 diff changeset	6325 (void) ngx_quic_output(pc);
8359 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6326
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6327 if (qc->shutdown) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6328 ngx_quic_shutdown_quic(pc);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6329 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6330 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6331
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6332
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6333 static void
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6334 ngx_quic_shutdown_quic(ngx_connection_t *c)
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6335 {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6336 ngx_rbtree_t *tree;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6337 ngx_rbtree_node_t *node;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6338 ngx_quic_stream_t *qs;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6339 ngx_quic_connection_t *qc;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6340
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6341 qc = ngx_quic_get_connection(c);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6342
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6343 if (qc->closing) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6344 return;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6345 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6346
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6347 tree = &qc->streams.tree;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6348
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6349 if (tree->root != tree->sentinel) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6350 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6351 node;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6352 node = ngx_rbtree_next(tree, node))
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6353 {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6354 qs = (ngx_quic_stream_t *) node;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6355
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6356 if (!qs->cancelable) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6357 return;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6358 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6359 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6360 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6361
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8352 diff changeset	6362 ngx_quic_finalize_connection(c, qc->shutdown_code, qc->shutdown_reason);
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6363 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6364
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	6365
8386 714e9af983de QUIC: separate header for ngx_quic_connection_t. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	6366 ngx_quic_frame_t *
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6367 ngx_quic_alloc_frame(ngx_connection_t *c)
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6368 {
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	6369 ngx_queue_t *q;
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6370 ngx_quic_frame_t *frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6371 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6372
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6373 qc = ngx_quic_get_connection(c);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	6374
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	6375 if (!ngx_queue_empty(&qc->free_frames)) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	6376
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	6377 q = ngx_queue_head(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	6378 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	6379
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	6380 ngx_queue_remove(&frame->queue);
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6381
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6382 #ifdef NGX_QUIC_DEBUG_ALLOC
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6383 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	6384 "quic reuse frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	6385 #endif
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6386
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6387 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6388 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6389 if (frame == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6390 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6391 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6392
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6393 #ifdef NGX_QUIC_DEBUG_ALLOC
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6394 ++qc->nframes;
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6395
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6396 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	6397 "quic alloc frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	6398 #endif
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6399 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6400
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6401 ngx_memzero(frame, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6402
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6403 return frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6404 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6405
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6406
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6407 static void
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6408 ngx_quic_congestion_ack(ngx_connection_t c, ngx_quic_frame_t f)
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6409 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6410 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6411 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6412 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6413
8026 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6414 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6415 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6416 }
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6417
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6418 qc = ngx_quic_get_connection(c);
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6419 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6420
8026 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6421 cg->in_flight -= f->plen;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6422
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6423 timer = f->last - cg->recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6424
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6425 if ((ngx_msec_int_t) timer <= 0) {
8026 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6426 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8193 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	6427 "quic congestion ack recovery win:%uz ss:%z if:%uz",
8026 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6428 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6429
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6430 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6431 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6432
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6433 if (cg->window < cg->ssthresh) {
8026 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6434 cg->window += f->plen;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6435
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6436 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8193 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	6437 "quic congestion slow start win:%uz ss:%z if:%uz",
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6438 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6439
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6440 } else {
8026 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6441 cg->window += qc->tp.max_udp_payload_size * f->plen / cg->window;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6442
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6443 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8193 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	6444 "quic congestion avoidance win:%uz ss:%z if:%uz",
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6445 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6446 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6447
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6448 /* prevent recovery_start from wrapping */
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6449
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6450 timer = cg->recovery_start - ngx_current_msec + qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6451
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6452 if ((ngx_msec_int_t) timer < 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6453 cg->recovery_start = ngx_current_msec - qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6454 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6455 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6456
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6457
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6458 static void
8026 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6459 ngx_quic_congestion_lost(ngx_connection_t c, ngx_quic_frame_t f)
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6460 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6461 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6462 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6463 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6464
8026 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6465 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6466 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6467 }
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6468
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6469 qc = ngx_quic_get_connection(c);
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6470 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6471
8026 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6472 cg->in_flight -= f->plen;
8171 b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8170 diff changeset	6473 f->plen = 0;
8026 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6474
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6475 timer = f->last - cg->recovery_start;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6476
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6477 if ((ngx_msec_int_t) timer <= 0) {
8026 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6478 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8193 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	6479 "quic congestion lost recovery win:%uz ss:%z if:%uz",
8026 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6480 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8025 diff changeset	6481
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6482 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6483 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6484
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6485 cg->recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6486 cg->window /= 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6487
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	6488 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: 7908 diff changeset	6489 cg->window = qc->tp.max_udp_payload_size * 2;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6490 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6491
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6492 cg->ssthresh = cg->window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6493
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6494 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8193 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	6495 "quic congestion lost win:%uz ss:%z if:%uz",
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6496 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6497 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6498
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6499
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	6500 static void
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6501 ngx_quic_free_frame(ngx_connection_t c, ngx_quic_frame_t frame)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6502 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6503 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6504
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6505 qc = ngx_quic_get_connection(c);
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6506
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6507 if (frame->data) {
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6508 ngx_quic_free_bufs(c, frame->data);
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6509 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6510
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	6511 ngx_queue_insert_head(&qc->free_frames, &frame->queue);
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6512
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6513 #ifdef NGX_QUIC_DEBUG_ALLOC
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6514 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	6515 "quic free frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	6516 #endif
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	6517 }
8196 e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8195 diff changeset	6518
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8195 diff changeset	6519
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8195 diff changeset	6520 uint32_t
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8195 diff changeset	6521 ngx_quic_version(ngx_connection_t *c)
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8195 diff changeset	6522 {
8199 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6523 uint32_t version;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6524 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6525
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6526 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6527
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8198 diff changeset	6528 version = qc->version;
8196 e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8195 diff changeset	6529
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8195 diff changeset	6530 return (version & 0xff000000) == 0xff000000 ? version & 0xff : version;
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8195 diff changeset	6531 }
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6532
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6533
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6534 static ngx_chain_t *
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6535 ngx_quic_alloc_buf(ngx_connection_t *c)
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6536 {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6537 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6538 ngx_chain_t *cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6539 ngx_quic_connection_t *qc;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6540
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6541 qc = ngx_quic_get_connection(c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6542
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6543 if (qc->free_bufs) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6544 cl = qc->free_bufs;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6545 qc->free_bufs = cl->next;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6546
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6547 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6548 b->pos = b->start;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6549 b->last = b->start;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6550
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6551 #ifdef NGX_QUIC_DEBUG_ALLOC
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6552 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6553 "quic reuse buffer n:%ui", qc->nbufs);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6554 #endif
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6555
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6556 return cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6557 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6558
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6559 cl = ngx_alloc_chain_link(c->pool);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6560 if (cl == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6561 return NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6562 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6563
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6564 b = ngx_create_temp_buf(c->pool, NGX_QUIC_BUFFER_SIZE);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6565 if (b == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6566 return NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6567 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6568
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6569 b->tag = (ngx_buf_tag_t) &ngx_quic_alloc_buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6570
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6571 cl->buf = b;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6572
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6573 #ifdef NGX_QUIC_DEBUG_ALLOC
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6574 ++qc->nbufs;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6575
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6576 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6577 "quic alloc buffer n:%ui", qc->nbufs);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6578 #endif
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6579
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6580 return cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6581 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6582
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6583
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6584 static void
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6585 ngx_quic_free_bufs(ngx_connection_t c, ngx_chain_t in)
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6586 {
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6587 ngx_buf_t b, shadow;
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6588 ngx_chain_t *cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6589 ngx_quic_connection_t *qc;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6590
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6591 qc = ngx_quic_get_connection(c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6592
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6593 while (in) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6594 #ifdef NGX_QUIC_DEBUG_ALLOC
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6595 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6596 "quic free buffer n:%ui", qc->nbufs);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6597 #endif
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6598
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6599 cl = in;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6600 in = in->next;
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6601 b = cl->buf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6602
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6603 if (b->shadow) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6604 if (!b->last_shadow) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6605 b->recycled = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6606 ngx_free_chain(c->pool, cl);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6607 continue;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6608 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6609
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6610 do {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6611 shadow = b->shadow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6612 b->shadow = qc->free_shadow_bufs;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6613 qc->free_shadow_bufs = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6614 b = shadow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6615 } while (b->recycled);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6616
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6617 if (b->shadow) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6618 b->last_shadow = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6619 ngx_free_chain(c->pool, cl);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6620 continue;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6621 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6622
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6623 cl->buf = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6624 }
8241 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6625
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6626 cl->next = qc->free_bufs;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6627 qc->free_bufs = cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6628 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6629 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6630
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6631
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6632 static ngx_chain_t *
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6633 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: 8240 diff changeset	6634 {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6635 size_t n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6636 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6637 ngx_chain_t cl, out, **ll;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6638
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6639 out = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6640 ll = &out;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6641
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6642 while (len) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6643 cl = ngx_quic_alloc_buf(c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6644 if (cl == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6645 return NGX_CHAIN_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6646 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6647
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6648 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6649 n = ngx_min((size_t) (b->end - b->last), len);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6650
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6651 b->last = ngx_cpymem(b->last, data, n);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6652
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6653 data += n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6654 len -= n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6655
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6656 *ll = cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6657 ll = &cl->next;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6658 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6659
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6660 *ll = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6661
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6662 return out;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6663 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6664
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6665
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6666 static ngx_chain_t *
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6667 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: 8240 diff changeset	6668 {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6669 size_t n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6670 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6671 ngx_chain_t cl, out, **ll;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6672
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6673 out = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6674 ll = &out;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6675
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6676 while (in) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6677 if (!ngx_buf_in_memory(in->buf) \|\| ngx_buf_size(in->buf) == 0) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6678 in = in->next;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6679 continue;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6680 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6681
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6682 cl = ngx_quic_alloc_buf(c);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6683 if (cl == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6684 return NGX_CHAIN_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6685 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6686
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6687 *ll = cl;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6688 ll = &cl->next;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6689
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6690 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6691
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6692 while (in && b->last != b->end) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6693
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6694 n = ngx_min(in->buf->last - in->buf->pos, b->end - b->last);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6695
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6696 if (limit > 0 && n > limit) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6697 n = limit;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6698 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6699
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6700 b->last = ngx_cpymem(b->last, in->buf->pos, n);
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6701
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6702 in->buf->pos += n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6703 if (in->buf->pos == in->buf->last) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6704 in = in->next;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6705 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6706
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6707 if (limit > 0) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6708 if (limit == n) {
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6709 goto done;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6710 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6711
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6712 limit -= n;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6713 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6714 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6715
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6716 }
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6717
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6718 done:
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6719
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6720 *ll = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6721
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6722 return out;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8240 diff changeset	6723 }
8242 0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6724
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6725
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6726 static ngx_chain_t *
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6727 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: 8241 diff changeset	6728 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6729 size_t n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6730 ngx_buf_t *b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6731 ngx_chain_t *out;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6732 ngx_quic_connection_t *qc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6733
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6734 qc = ngx_quic_get_connection(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6735
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6736 while (in) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6737 n = ngx_buf_size(in->buf);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6738
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6739 if (n == len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6740 out = in->next;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6741 in->next = NULL;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6742 return out;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6743 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6744
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6745 if (n > len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6746 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6747 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6748
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6749 len -= n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6750 in = in->next;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6751 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6752
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6753 if (in == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6754 return NULL;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6755 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6756
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6757 /* 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: 8241 diff changeset	6758
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6759 if (in->buf->shadow == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6760 if (qc->free_shadow_bufs) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6761 b = qc->free_shadow_bufs;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6762 qc->free_shadow_bufs = b->shadow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6763
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6764 } else {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6765 b = ngx_alloc_buf(c->pool);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6766 if (b == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6767 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6768 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6769 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6770
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6771 b = in->buf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6772 b->shadow = in->buf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6773 b->last_shadow = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6774 in->buf = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6775 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6776
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6777 out = ngx_alloc_chain_link(c->pool);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6778 if (out == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6779 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6780 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6781
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6782 if (qc->free_shadow_bufs) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6783 b = qc->free_shadow_bufs;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6784 qc->free_shadow_bufs = b->shadow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6785
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6786 } else {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6787 b = ngx_alloc_buf(c->pool);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6788 if (b == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6789 ngx_free_chain(c->pool, out);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6790 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6791 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6792 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6793
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6794 out->buf = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6795 out->next = in->next;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6796 in->next = NULL;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6797
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6798 b = in->buf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6799 b->last_shadow = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6800 b->pos = b->pos + len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6801
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6802 in->buf->shadow = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6803 in->buf->last = in->buf->pos + len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6804
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6805 return out;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	6806 }

Mercurial > hg > nginx-quic

annotate src/event/quic/ngx_event_quic.c @ 8407:c8bda5e1e662 quic