nginx: src/event/ngx_event

annotate src/event/ngx_event_quic.c @ 8471:9ed4c12ec948 quic

QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. To minimize difference with the following changes.

author	Vladimir Homutov <vl@nginx.com>
date	Mon, 13 Jul 2020 10:07:20 +0300
parents	0d1ad81dd65c
children	3b15732ac03f

rev	line source
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2 /*
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	3 * Copyright (C) Nginx, Inc.
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	4 */
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	5
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	6
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	7 #include <ngx_config.h>
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	8 #include <ngx_core.h>
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	9 #include <ngx_event.h>
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	10
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	11
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	12 /* 0-RTT and 1-RTT data exist in the same packet number space,
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	13 * so we have 3 packet number spaces:
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	14 *
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	15 * 0 - Initial
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	16 * 1 - Handshake
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	17 * 2 - 0-RTT and 1-RTT
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	18 */
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	19 #define ngx_quic_get_send_ctx(qc, level) \
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	20 ((level) == ssl_encryption_initial) ? &((qc)->send_ctx[0]) \
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	21 : (((level) == ssl_encryption_handshake) ? &((qc)->send_ctx[1]) \
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	22 : &((qc)->send_ctx[2]))
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	23
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	24 #define NGX_QUIC_SEND_CTX_LAST (NGX_QUIC_ENCRYPTION_LAST - 1)
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	25
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	26 #define NGX_QUIC_STREAMS_INC 16
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	27 #define NGX_QUIC_STREAMS_LIMIT (1ULL < 60)
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	28
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	29 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	30 * 7.4. Cryptographic Message Buffering
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	31 * Implementations MUST support buffering at least 4096 bytes of data
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	32 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	33 #define NGX_QUIC_MAX_BUFFERED 65535
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	34
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	35
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	36 typedef struct {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	37 ngx_rbtree_t tree;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	38 ngx_rbtree_node_t sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	39 ngx_connection_handler_pt handler;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	40
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	41 ngx_uint_t id_counter;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	42
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	43 uint64_t received;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	44 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	45 uint64_t recv_max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	46 uint64_t send_max_data;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	47 } ngx_quic_streams_t;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	48
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	49
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	50 typedef struct {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	51 size_t in_flight;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	52 size_t window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	53 size_t ssthresh;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	54 ngx_msec_t recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	55 } ngx_quic_congestion_t;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	56
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	57
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	58 /*
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	59 * 12.3. Packet Numbers
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	60 *
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	61 * Conceptually, a packet number space is the context in which a packet
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	62 * can be processed and acknowledged. Initial packets can only be sent
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	63 * with Initial packet protection keys and acknowledged in packets which
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	64 * are also Initial packets.
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	65 */
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	66 typedef struct {
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	67 ngx_quic_secret_t client_secret;
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	68 ngx_quic_secret_t server_secret;
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	69
8401 d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	70 uint64_t pnum; /* to be sent */
d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	71 uint64_t largest_ack; /* received from peer */
d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	72 uint64_t largest_pn; /* received from peer */
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	73
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	74 ngx_queue_t frames;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	75 ngx_queue_t sent;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	76 } ngx_quic_send_ctx_t;
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	77
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	78
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	79 struct ngx_quic_connection_s {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	80 ngx_str_t scid;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	81 ngx_str_t dcid;
8381 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	82 ngx_str_t odcid;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	83 ngx_str_t token;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	84
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	85 ngx_uint_t client_tp_done;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	86 ngx_quic_tp_t tp;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	87 ngx_quic_tp_t ctp;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	88
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	89 ngx_quic_send_ctx_t send_ctx[NGX_QUIC_SEND_CTX_LAST];
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	90 ngx_quic_secrets_t keys[NGX_QUIC_ENCRYPTION_LAST];
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	91 ngx_quic_secrets_t next_key;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	92 ngx_quic_frames_stream_t crypto[NGX_QUIC_ENCRYPTION_LAST];
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	93
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	94 ngx_ssl_t *ssl;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	95
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	96 ngx_event_t push;
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	97 ngx_event_t retransmit;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	98 ngx_event_t close;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	99 ngx_queue_t free_frames;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	100 ngx_msec_t last_cc;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	101
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	102 ngx_msec_t latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	103 ngx_msec_t avg_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	104 ngx_msec_t min_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	105 ngx_msec_t rttvar;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	106
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	107 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	108 ngx_uint_t nframes;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	109 #endif
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	110
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	111 ngx_quic_streams_t streams;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	112 ngx_quic_congestion_t congestion;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	113
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	114 uint64_t cur_streams;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	115 uint64_t max_streams;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	116
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	117 ngx_uint_t error;
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	118 enum ssl_encryption_level_t error_level;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	119 ngx_uint_t error_ftype;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	120 const char *error_reason;
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	121
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	122 unsigned error_app:1;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	123 unsigned send_timer_set:1;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	124 unsigned closing:1;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	125 unsigned draining:1;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	126 unsigned key_phase:1;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	127 unsigned in_retry:1;
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	128 unsigned initialized:1;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	129 };
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	130
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	131
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	132 typedef ngx_int_t (ngx_quic_frame_handler_pt)(ngx_connection_t c,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	133 ngx_quic_frame_t frame, void data);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	134
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	135
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	136 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	137 static int ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	138 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	139 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	140 static int ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	141 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	142 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	143 #else
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	144 static int ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	145 enum ssl_encryption_level_t level, const uint8_t *read_secret,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	146 const uint8_t *write_secret, size_t secret_len);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	147 #endif
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	148
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	149 static int ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	150 enum ssl_encryption_level_t level, const uint8_t *data, size_t len);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	151 static int ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	152 static int ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	153 enum ssl_encryption_level_t level, uint8_t alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	154
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	155
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	156 static ngx_int_t ngx_quic_new_connection(ngx_connection_t c, ngx_ssl_t ssl,
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	157 ngx_quic_tp_t tp, ngx_quic_header_t pkt,
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	158 ngx_connection_handler_pt handler);
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	159 static ngx_int_t ngx_quic_new_dcid(ngx_connection_t c, ngx_str_t odcid);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	160 static ngx_int_t ngx_quic_retry(ngx_connection_t *c);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	161 static ngx_int_t ngx_quic_new_token(ngx_connection_t c, ngx_str_t token);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	162 static ngx_int_t ngx_quic_validate_token(ngx_connection_t *c,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	163 ngx_quic_header_t *pkt);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	164 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c);
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	165 static ngx_inline size_t ngx_quic_max_udp_payload(ngx_connection_t *c);
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	166 static void ngx_quic_input_handler(ngx_event_t *rev);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	167
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	168 static void ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	169 static ngx_int_t ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	170 static void ngx_quic_close_timer_handler(ngx_event_t *ev);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	171 static ngx_int_t ngx_quic_close_streams(ngx_connection_t *c,
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	172 ngx_quic_connection_t *qc);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	173
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	174 static ngx_int_t ngx_quic_input(ngx_connection_t c, ngx_buf_t b);
8377 2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	175 static ngx_inline u_char ngx_quic_skip_zero_padding(ngx_buf_t b);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	176 static ngx_int_t ngx_quic_retry_input(ngx_connection_t *c,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	177 ngx_quic_header_t *pkt);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	178 static ngx_int_t ngx_quic_initial_input(ngx_connection_t *c,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	179 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	180 static ngx_int_t ngx_quic_handshake_input(ngx_connection_t *c,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	181 ngx_quic_header_t *pkt);
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	182 static ngx_int_t ngx_quic_early_input(ngx_connection_t *c,
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	183 ngx_quic_header_t *pkt);
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	184 static ngx_int_t ngx_quic_check_peer(ngx_quic_connection_t *qc,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	185 ngx_quic_header_t *pkt);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	186 static ngx_int_t ngx_quic_app_input(ngx_connection_t *c,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	187 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	188 static ngx_int_t ngx_quic_payload_handler(ngx_connection_t *c,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	189 ngx_quic_header_t *pkt);
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	190 static ngx_int_t ngx_quic_send_ack(ngx_connection_t c, ngx_quic_header_t pkt);
8470 0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	191 static ngx_int_t ngx_quic_ack_delay(ngx_connection_t *c,
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	192 struct timeval *received, enum ssl_encryption_level_t level);
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	193 static ngx_int_t ngx_quic_send_cc(ngx_connection_t *c);
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	194 static ngx_int_t ngx_quic_send_new_token(ngx_connection_t *c);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	195
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	196 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	197 ngx_quic_header_t pkt, ngx_quic_ack_frame_t f);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	198 static ngx_int_t ngx_quic_handle_ack_frame_range(ngx_connection_t *c,
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	199 ngx_quic_send_ctx_t *ctx, uint64_t min, uint64_t max,
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	200 ngx_msec_t *send_time);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	201 static void ngx_quic_rtt_sample(ngx_connection_t c, ngx_quic_ack_frame_t ack,
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	202 enum ssl_encryption_level_t level, ngx_msec_t send_time);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	203 static void ngx_quic_handle_stream_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	204 ngx_quic_frame_t *f);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	205
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	206 static ngx_int_t ngx_quic_handle_ordered_frame(ngx_connection_t *c,
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	207 ngx_quic_frames_stream_t fs, ngx_quic_frame_t frame,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	208 ngx_quic_frame_handler_pt handler, void *data);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	209 static ngx_int_t ngx_quic_adjust_frame_offset(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	210 ngx_quic_frame_t *f, uint64_t offset_in);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	211 static ngx_int_t ngx_quic_buffer_frame(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	212 ngx_quic_frames_stream_t stream, ngx_quic_frame_t f);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	213
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	214 static ngx_int_t ngx_quic_handle_crypto_frame(ngx_connection_t *c,
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	215 ngx_quic_header_t pkt, ngx_quic_frame_t frame);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	216 static ngx_int_t ngx_quic_crypto_input(ngx_connection_t *c,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	217 ngx_quic_frame_t frame, void data);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	218 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c,
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	219 ngx_quic_header_t pkt, ngx_quic_frame_t frame);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	220 static ngx_int_t ngx_quic_stream_input(ngx_connection_t *c,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	221 ngx_quic_frame_t frame, void data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	222
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	223 static ngx_int_t ngx_quic_handle_max_streams(ngx_connection_t *c);
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	224 static ngx_int_t ngx_quic_handle_max_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	225 ngx_quic_max_data_frame_t *f);
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	226 static ngx_int_t ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	227 ngx_quic_header_t pkt, ngx_quic_streams_blocked_frame_t f);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	228 static ngx_int_t ngx_quic_handle_stream_data_blocked_frame(ngx_connection_t *c,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	229 ngx_quic_header_t pkt, ngx_quic_stream_data_blocked_frame_t f);
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	230 static ngx_int_t ngx_quic_handle_max_stream_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	231 ngx_quic_header_t pkt, ngx_quic_max_stream_data_frame_t f);
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	232 static ngx_int_t ngx_quic_handle_reset_stream_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	233 ngx_quic_header_t pkt, ngx_quic_reset_stream_frame_t f);
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	234 static ngx_int_t ngx_quic_handle_stop_sending_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	235 ngx_quic_header_t pkt, ngx_quic_stop_sending_frame_t f);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	236
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	237 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	238 ngx_quic_frame_t *frame);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	239
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	240 static ngx_int_t ngx_quic_output(ngx_connection_t *c);
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	241 static ngx_int_t ngx_quic_output_frames(ngx_connection_t *c,
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	242 ngx_quic_send_ctx_t *ctx);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	243 static void ngx_quic_free_frames(ngx_connection_t c, ngx_queue_t frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	244 static ngx_int_t ngx_quic_send_frames(ngx_connection_t c, ngx_queue_t frames);
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	245
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	246 static void ngx_quic_set_packet_number(ngx_quic_header_t *pkt,
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	247 ngx_quic_send_ctx_t *ctx);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	248 static void ngx_quic_retransmit_handler(ngx_event_t *ev);
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	249 static ngx_int_t ngx_quic_retransmit(ngx_connection_t *c,
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	250 ngx_quic_send_ctx_t ctx, ngx_msec_t waitp);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	251 static void ngx_quic_push_handler(ngx_event_t *ev);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	252
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	253 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	254 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel);
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	255 static ngx_quic_stream_t ngx_quic_find_stream(ngx_rbtree_t rbtree,
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	256 uint64_t id);
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	257 static ngx_quic_stream_t ngx_quic_create_stream(ngx_connection_t c,
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	258 uint64_t id, size_t rcvbuf_size);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	259 static ssize_t ngx_quic_stream_recv(ngx_connection_t c, u_char buf,
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	260 size_t size);
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	261 static ssize_t ngx_quic_stream_send(ngx_connection_t c, u_char buf,
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	262 size_t size);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	263 static void ngx_quic_stream_cleanup_handler(void *data);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	264 static ngx_chain_t ngx_quic_stream_send_chain(ngx_connection_t c,
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	265 ngx_chain_t *in, off_t limit);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	266 static ngx_quic_frame_t ngx_quic_alloc_frame(ngx_connection_t c, size_t size);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	267 static void ngx_quic_free_frame(ngx_connection_t c, ngx_quic_frame_t frame);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	268
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	269 static void ngx_quic_congestion_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	270 ngx_quic_frame_t *frame);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	271 static void ngx_quic_congestion_lost(ngx_connection_t *c, ngx_msec_t sent);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	272
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	273
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	274 static SSL_QUIC_METHOD quic_method = {
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	275 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	276 ngx_quic_set_read_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	277 ngx_quic_set_write_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	278 #else
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	279 ngx_quic_set_encryption_secrets,
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	280 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	281 ngx_quic_add_handshake_data,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	282 ngx_quic_flush_flight,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	283 ngx_quic_send_alert,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	284 };
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	285
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	286
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	287 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	288
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	289 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	290 ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	291 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	292 const uint8_t *rsecret, size_t secret_len)
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	293 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	294 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	295 ngx_quic_secrets_t *keys;
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	296
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	297 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	298
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	299 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	300 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	301 "quic ngx_quic_set_read_secret() level:%d", level);
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	302 ngx_quic_hexdump(c->log, "quic read secret", rsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	303 #endif
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	304
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	305 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	306
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	307 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	308 rsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	309 &keys->client);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	310 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	311
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	312
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	313 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	314 ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	315 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	316 const uint8_t *wsecret, size_t secret_len)
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	317 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	318 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	319 ngx_quic_secrets_t *keys;
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	320
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	321 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	322
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	323 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	324 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	325 "quic ngx_quic_set_write_secret() level:%d", level);
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	326 ngx_quic_hexdump(c->log, "quic write secret", wsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	327 #endif
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	328
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	329 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	330
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	331 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	332 wsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	333 &keys->server);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	334 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	335
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	336 #else
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	337
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	338 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	339 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	340 enum ssl_encryption_level_t level, const uint8_t *rsecret,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	341 const uint8_t *wsecret, size_t secret_len)
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	342 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	343 ngx_int_t rc;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	344 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	345 ngx_quic_secrets_t *keys;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	346
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	347 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	348
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	349 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	350 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	351 "quic ngx_quic_set_encryption_secrets() level:%d", level);
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	352 ngx_quic_hexdump(c->log, "quic read", rsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	353 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	354
8327 0ae50d90658a Fixed build with OpenSSL using old callbacks API. Sergey Kandaurov <pluknet@nginx.com> parents: 8326 diff changeset	355 keys = &c->quic->keys[level];
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	356
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	357 rc = ngx_quic_set_encryption_secret(c->pool, ssl_conn, level,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	358 rsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	359 &keys->client);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	360 if (rc != 1) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	361 return rc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	362 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	363
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	364 if (level == ssl_encryption_early_data) {
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	365 return 1;
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	366 }
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	367
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	368 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	369 ngx_quic_hexdump(c->log, "quic write", wsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	370 #endif
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	371
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	372 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	373 wsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	374 &keys->server);
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	375 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	376
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	377 #endif
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	378
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	379
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	380 static int
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	381 ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn,
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	382 enum ssl_encryption_level_t level, const uint8_t *data, size_t len)
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	383 {
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	384 u_char p, end;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	385 size_t client_params_len, fsize, limit;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	386 const uint8_t *client_params;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	387 ngx_quic_frame_t *frame;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	388 ngx_connection_t *c;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	389 ngx_quic_connection_t *qc;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	390 ngx_quic_frames_stream_t *fs;
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	391
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	392 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	393 qc = c->quic;
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	394
8186 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 8185 diff changeset	395 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	396 "quic ngx_quic_add_handshake_data");
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	397
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	398 if (!qc->client_tp_done) {
8438 a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	399 /*
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	400 * things to do once during handshake: check ALPN and transport
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	401 * parameters; we want to break handshake if something is wrong
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	402 * here;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	403 */
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	404
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	405 #if defined(TLSEXT_TYPE_application_layer_protocol_negotiation)
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	406 {
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	407 unsigned int len;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	408 const unsigned char *data;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	409
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	410 SSL_get0_alpn_selected(c->ssl->connection, &data, &len);
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	411
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	412 if (len != NGX_QUIC_ALPN_LEN
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	413 \|\| ngx_strncmp(data, NGX_QUIC_ALPN_STR, NGX_QUIC_ALPN_LEN) != 0)
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	414 {
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	415 qc->error = 0x100 + SSL_AD_NO_APPLICATION_PROTOCOL;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	416 qc->error_reason = "unsupported protocol in ALPN extension";
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	417
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	418 ngx_log_error(NGX_LOG_INFO, c->log, 0,
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	419 "quic unsupported protocol in ALPN extension");
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	420 return 0;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	421 }
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	422 }
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	423 #endif
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	424
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	425 SSL_get_peer_quic_transport_params(ssl_conn, &client_params,
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	426 &client_params_len);
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	427
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	428 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	429 "quic SSL_get_peer_quic_transport_params():"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	430 " params_len %ui", client_params_len);
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	431
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	432 if (client_params_len == 0) {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	433 /* quic-tls 8.2 */
8447 97adb87f149b Get rid of hardcoded numbers used for quic handshake errors. Sergey Kandaurov <pluknet@nginx.com> parents: 8446 diff changeset	434 qc->error = NGX_QUIC_ERR_CRYPTO(SSL_AD_MISSING_EXTENSION);
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	435 qc->error_reason = "missing transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	436
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	437 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	438 "missing transport parameters");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	439 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	440 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	441
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	442 p = (u_char *) client_params;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	443 end = p + client_params_len;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	444
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	445 if (ngx_quic_parse_transport_params(p, end, &qc->ctp, c->log)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	446 != NGX_OK)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	447 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	448 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	449 qc->error_reason = "failed to process transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	450
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	451 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	452 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	453
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	454 if (qc->ctp.max_idle_timeout > 0
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	455 && qc->ctp.max_idle_timeout < qc->tp.max_idle_timeout)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	456 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	457 qc->tp.max_idle_timeout = qc->ctp.max_idle_timeout;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	458 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	459
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	460 if (qc->ctp.max_udp_payload_size < NGX_QUIC_MIN_INITIAL_SIZE
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	461 \|\| qc->ctp.max_udp_payload_size > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	462 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	463 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	464 qc->error_reason = "invalid maximum packet size";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	465
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	466 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	467 "quic maximum packet size is invalid");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	468 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	469 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	470
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	471 if (qc->ctp.max_udp_payload_size > ngx_quic_max_udp_payload(c)) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	472 qc->ctp.max_udp_payload_size = ngx_quic_max_udp_payload(c);
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	473 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	474 "quic client maximum packet size truncated");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	475 }
8432 391d06a51bc0 Limited max udp payload size for outgoing packets. Vladimir Homutov <vl@nginx.com> parents: 8431 diff changeset	476
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	477 #if (NGX_QUIC_DRAFT_VERSION >= 28)
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	478 if (qc->scid.len != qc->ctp.initial_scid.len
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	479 \|\| ngx_memcmp(qc->scid.data, qc->ctp.initial_scid.data,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	480 qc->scid.len) != 0)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	481 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	482 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	483 "quic client initial_source_connection_id "
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	484 "mismatch");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	485 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	486 }
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	487 #endif
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	488
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	489 qc->client_tp_done = 1;
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	490 }
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	491
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	492 /*
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	493 * we need to fit at least 1 frame into a packet, thus account head/tail;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	494 * 17 = 1 + 8x2 is max header for CRYPTO frame, with 1 byte for frame type
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	495 */
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	496 limit = qc->ctp.max_udp_payload_size - NGX_QUIC_MAX_LONG_HEADER - 17
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	497 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	498
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	499 fs = &qc->crypto[level];
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	500
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	501 p = (u_char *) data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	502 end = (u_char *) data + len;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	503
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	504 while (p < end) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	505
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	506 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	507
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	508 frame = ngx_quic_alloc_frame(c, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	509 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	510 return 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	511 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	512
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	513 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	514
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	515 frame->level = level;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	516 frame->type = NGX_QUIC_FT_CRYPTO;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	517 frame->u.crypto.offset = fs->sent;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	518 frame->u.crypto.length = fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	519 frame->u.crypto.data = frame->data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	520
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	521 fs->sent += fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	522 p += fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	523
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	524 ngx_sprintf(frame->info, "crypto, generated by SSL len=%ui level=%d",
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	525 fsize, level);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	526
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	527 ngx_quic_queue_frame(qc, frame);
8186 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 8185 diff changeset	528 }
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	529
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	530 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	531 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	532
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	533
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	534 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	535 ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	536 {
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	537 #if (NGX_DEBUG)
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	538 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	539
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	540 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	541
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	542 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	543 "quic ngx_quic_flush_flight()");
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	544 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	545 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	546 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	547
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	548
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	549 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	550 ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, enum ssl_encryption_level_t level,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	551 uint8_t alert)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	552 {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	553 ngx_connection_t *c;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	554 ngx_quic_connection_t *qc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	555
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	556 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	557
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	558 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	559 "quic ngx_quic_send_alert(), lvl=%d, alert=%d",
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	560 (int) level, (int) alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	561
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	562 qc = c->quic;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	563 if (qc == NULL) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	564 return 1;
8235 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	565 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	566
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	567 qc->error_level = level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	568 qc->error = NGX_QUIC_ERR_CRYPTO(alert);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	569 qc->error_reason = "TLS alert";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	570 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	571 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	572
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	573 if (ngx_quic_send_cc(c) != NGX_OK) {
8235 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	574 return 0;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	575 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	576
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	577 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	578 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	579
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	580
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	581 void
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	582 ngx_quic_run(ngx_connection_t c, ngx_ssl_t ssl, ngx_quic_tp_t *tp,
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	583 ngx_connection_handler_pt handler)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	584 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	585 ngx_buf_t *b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	586 ngx_quic_header_t pkt;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	587
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	588 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic run");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	589
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	590 c->log->action = "QUIC initialization";
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	591
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	592 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	593
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	594 b = c->buffer;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	595
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	596 pkt.log = c->log;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	597 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	598 pkt.data = b->start;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	599 pkt.len = b->last - b->start;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	600
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	601 if (ngx_quic_new_connection(c, ssl, tp, &pkt, handler) != NGX_OK) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	602 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	603 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	604 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	605
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	606 ngx_add_timer(c->read, c->quic->in_retry ? NGX_QUIC_RETRY_TIMEOUT
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	607 : c->quic->tp.max_idle_timeout);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	608
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	609 c->read->handler = ngx_quic_input_handler;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	610
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	611 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	612 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	613
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	614
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	615 static ngx_int_t
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	616 ngx_quic_new_connection(ngx_connection_t c, ngx_ssl_t ssl, ngx_quic_tp_t *tp,
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	617 ngx_quic_header_t *pkt, ngx_connection_handler_pt handler)
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	618 {
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	619 ngx_int_t rc;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	620 ngx_uint_t i;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	621 ngx_quic_tp_t *ctp;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	622 ngx_quic_secrets_t *keys;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	623 ngx_quic_send_ctx_t *ctx;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	624 ngx_quic_connection_t *qc;
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	625 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	626
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	627 if (ngx_buf_size(pkt->raw) < NGX_QUIC_MIN_INITIAL_SIZE) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	628 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	629 "quic UDP datagram is too small for initial packet");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	630 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	631 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	632
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	633 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	634 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	635 return rc;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	636 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	637
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	638 if (!ngx_quic_pkt_in(pkt->flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	639 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	640 "quic invalid initial packet: 0x%xi", pkt->flags);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	641 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	642 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	643
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	644 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	645 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	646 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	647
8387 eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	648 if (pkt->dcid.len < NGX_QUIC_CID_LEN_MIN) {
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	649 /* 7.2. Negotiating Connection IDs */
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	650 ngx_log_error(NGX_LOG_INFO, c->log, 0,
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	651 "quic too short dcid in initial packet: length %i",
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	652 pkt->dcid.len);
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	653 return NGX_ERROR;
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	654 }
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	655
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	656 c->log->action = "creating new quic connection";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	657
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	658 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	659 if (qc == NULL) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	660 return NGX_ERROR;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	661 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	662
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	663 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	664 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	665
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	666 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	667 ngx_queue_init(&qc->send_ctx[i].frames);
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	668 ngx_queue_init(&qc->send_ctx[i].sent);
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	669 qc->send_ctx[i].largest_pn = (uint64_t) -1;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	670 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	671
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	672 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	673 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	674 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	675
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	676 ngx_queue_init(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	677
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	678 qc->avg_rtt = NGX_QUIC_INITIAL_RTT;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	679 qc->rttvar = NGX_QUIC_INITIAL_RTT / 2;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	680 qc->min_rtt = NGX_TIMER_INFINITE;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	681
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	682 /*
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	683 * qc->latest_rtt = 0
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	684 */
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	685
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	686 qc->retransmit.log = c->log;
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	687 qc->retransmit.data = c;
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	688 qc->retransmit.handler = ngx_quic_retransmit_handler;
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	689 qc->retransmit.cancelable = 1;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	690
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	691 qc->push.log = c->log;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	692 qc->push.data = c;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	693 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	694 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	695
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	696 c->quic = qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	697 qc->ssl = ssl;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	698 qc->tp = *tp;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	699 qc->streams.handler = handler;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	700
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	701 ctp = &qc->ctp;
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	702 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	703 ctp->ack_delay_exponent = NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT;
d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	704 ctp->max_ack_delay = NGX_QUIC_DEFAULT_MAX_ACK_DELAY;
d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	705
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	706 qc->streams.recv_max_data = qc->tp.initial_max_data;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	707
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	708 qc->congestion.window = ngx_min(10 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	709 ngx_max(2 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	710 14720));
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	711 qc->congestion.ssthresh = NGX_MAX_SIZE_T_VALUE;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	712 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	713
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	714 if (ngx_quic_new_dcid(c, &pkt->dcid) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	715 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	716 }
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	717
8421 c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 8417 diff changeset	718 #if (NGX_QUIC_DRAFT_VERSION >= 28)
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	719 qc->tp.original_dcid = c->quic->odcid;
8421 c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 8417 diff changeset	720 #endif
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	721 qc->tp.initial_scid = c->quic->dcid;
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	722
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	723 qc->scid.len = pkt->scid.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	724 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	725 if (qc->scid.data == NULL) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	726 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	727 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	728 ngx_memcpy(qc->scid.data, pkt->scid.data, qc->scid.len);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	729
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	730 keys = &c->quic->keys[ssl_encryption_initial];
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	731
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	732 if (ngx_quic_set_initial_secret(c->pool, &keys->client, &keys->server,
8381 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	733 &qc->odcid)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	734 != NGX_OK)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	735 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	736 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	737 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	738
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	739 qc->initialized = 1;
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	740
8443 3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 8442 diff changeset	741 if (ngx_terminate \|\| ngx_exiting) {
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 8442 diff changeset	742 qc->error = NGX_QUIC_ERR_CONNECTION_REFUSED;
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 8442 diff changeset	743 return NGX_ERROR;
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 8442 diff changeset	744 }
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 8442 diff changeset	745
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	746 if (pkt->token.len) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	747 rc = ngx_quic_validate_token(c, pkt);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	748
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	749 if (rc == NGX_ERROR) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	750 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic invalid token");
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	751 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	752 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	753
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	754 if (rc == NGX_DECLINED) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	755 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic expired token");
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	756 return ngx_quic_retry(c);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	757 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	758
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	759 /* NGX_OK */
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	760
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	761 } else if (tp->retry) {
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	762 return ngx_quic_retry(c);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	763 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	764
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	765 pkt->secret = &keys->client;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	766 pkt->level = ssl_encryption_initial;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	767 pkt->plaintext = buf;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	768
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	769 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	770
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	771 if (ngx_quic_decrypt(pkt, NULL, &ctx->largest_pn) != NGX_OK) {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	772 qc->error = pkt->error;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	773 qc->error_reason = "failed to decrypt packet";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	774
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	775 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	776 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	777
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	778 if (ngx_quic_init_connection(c) != NGX_OK) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	779 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	780 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	781
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	782 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	783 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	784 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	785
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	786 /* pos is at header end, adjust by actual packet length */
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	787 pkt->raw->pos += pkt->len;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	788
8377 2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	789 (void) ngx_quic_skip_zero_padding(pkt->raw);
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	790
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	791 return ngx_quic_input(c, pkt->raw);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	792 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	793
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	794
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	795 static ngx_int_t
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	796 ngx_quic_new_dcid(ngx_connection_t c, ngx_str_t odcid)
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	797 {
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	798 uint8_t len;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	799 ngx_quic_connection_t *qc;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	800
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	801 qc = c->quic;
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	802
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	803 if (RAND_bytes(&len, sizeof(len)) != 1) {
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	804 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	805 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	806
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	807 len = len % 10 + 10;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	808
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	809 qc->dcid.len = len;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	810 qc->dcid.data = ngx_pnalloc(c->pool, len);
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	811 if (qc->dcid.data == NULL) {
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	812 return NGX_ERROR;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	813 }
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	814
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	815 if (RAND_bytes(qc->dcid.data, len) != 1) {
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	816 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	817 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	818
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	819 #ifdef NGX_QUIC_DEBUG_PACKETS
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	820 ngx_quic_hexdump(c->log, "quic server CID", qc->dcid.data, qc->dcid.len);
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	821 #endif
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	822
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	823 qc->odcid.len = odcid->len;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	824 qc->odcid.data = ngx_pstrdup(c->pool, odcid);
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	825 if (qc->odcid.data == NULL) {
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	826 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	827 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	828
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	829 return NGX_OK;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	830 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	831
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	832
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	833 static ngx_int_t
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	834 ngx_quic_retry(ngx_connection_t *c)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	835 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	836 ssize_t len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	837 ngx_str_t res, token;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	838 ngx_quic_header_t pkt;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	839 u_char buf[NGX_QUIC_RETRY_BUFFER_SIZE];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	840
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	841 if (ngx_quic_new_token(c, &token) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	842 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	843 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	844
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	845 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	846 pkt.flags = NGX_QUIC_PKT_FIXED_BIT \| NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_RETRY;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	847 pkt.log = c->log;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	848 pkt.odcid = c->quic->odcid;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	849 pkt.dcid = c->quic->scid;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	850 pkt.scid = c->quic->dcid;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	851 pkt.token = token;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	852
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	853 res.data = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	854
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	855 if (ngx_quic_encrypt(&pkt, NULL, &res) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	856 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	857 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	858
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	859 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	860 ngx_quic_hexdump(c->log, "quic packet to send", res.data, res.len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	861 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	862
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	863 len = c->send(c, res.data, res.len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	864 if (len == NGX_ERROR \|\| (size_t) len != res.len) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	865 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	866 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	867
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	868 c->quic->token = token;
8421 c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 8417 diff changeset	869 #if (NGX_QUIC_DRAFT_VERSION < 28)
c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 8417 diff changeset	870 c->quic->tp.original_dcid = c->quic->odcid;
c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 8417 diff changeset	871 #endif
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	872 c->quic->tp.retry_scid = c->quic->dcid;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	873 c->quic->in_retry = 1;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	874
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	875 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	876 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	877
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	878
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	879 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	880 ngx_quic_new_token(ngx_connection_t c, ngx_str_t token)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	881 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	882 int len, iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	883 u_char data, p, key, iv;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	884 ngx_msec_t now;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	885 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	886 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	887 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	888 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	889 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	890 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	891 u_char in[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	892
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	893 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	894
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	895 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	896 case AF_INET6:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	897 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	898
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	899 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	900 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	901
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	902 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	903 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	904
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	905 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	906 case AF_UNIX:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	907
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	908 len = ngx_min(c->addr_text.len, NGX_QUIC_MAX_TOKEN_SIZE - sizeof(now));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	909 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	910
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	911 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	912 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	913
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	914 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	915 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	916
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	917 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	918 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	919
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	920 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	921 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	922
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	923 p = ngx_cpymem(in, data, len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	924
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	925 now = ngx_current_msec;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	926 len += sizeof(now);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	927 ngx_memcpy(p, &now, sizeof(now));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	928
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	929 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	930 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	931
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	932 token->len = iv_len + len + EVP_CIPHER_block_size(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	933 token->data = ngx_pnalloc(c->pool, token->len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	934 if (token->data == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	935 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	936 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	937
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	938 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	939 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	940 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	941 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	942
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	943 key = c->quic->tp.token_key;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	944 iv = token->data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	945
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	946 if (RAND_bytes(iv, iv_len) <= 0
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	947 \|\| !EVP_EncryptInit_ex(ctx, cipher, NULL, key, iv))
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	948 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	949 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	950 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	951 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	952
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	953 token->len = iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	954
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	955 if (EVP_EncryptUpdate(ctx, token->data + token->len, &len, in, len) != 1) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	956 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	957 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	958 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	959
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	960 token->len += len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	961
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	962 if (EVP_EncryptFinal_ex(ctx, token->data + token->len, &len) <= 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	963 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	964 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	965 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	966
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	967 token->len += len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	968
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	969 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	970
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	971 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	972 ngx_quic_hexdump(c->log, "quic new token", token->data, token->len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	973 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	974
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	975 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	976 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	977
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	978
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	979 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	980 ngx_quic_validate_token(ngx_connection_t c, ngx_quic_header_t pkt)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	981 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	982 int len, tlen, iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	983 u_char key, iv, p, data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	984 ngx_msec_t msec;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	985 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	986 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	987 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	988 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	989 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	990 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	991 ngx_quic_connection_t *qc;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	992 u_char tdec[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	993
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	994 if (pkt->token.len == 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	995 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	996 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	997
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	998 qc = c->quic;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	999
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1000 /* Retry token */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1001
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1002 if (qc->token.len) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1003 if (pkt->token.len != qc->token.len) {
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1004 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1005 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1006
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1007 if (ngx_memcmp(pkt->token.data, qc->token.data, pkt->token.len) != 0) {
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1008 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1009 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1010
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1011 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1012 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1013
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1014 /* NEW_TOKEN in a previous connection */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1015
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1016 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1017 key = c->quic->tp.token_key;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1018 iv = pkt->token.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1019 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1020
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1021 /* sanity checks */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1022
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1023 if (pkt->token.len < (size_t) iv_len + EVP_CIPHER_block_size(cipher)) {
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1024 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1025 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1026
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1027 if (pkt->token.len > (size_t) iv_len + NGX_QUIC_MAX_TOKEN_SIZE) {
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1028 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1029 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1030
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1031 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1032 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1033 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1034 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1035
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1036 if (!EVP_DecryptInit_ex(ctx, cipher, NULL, key, iv)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1037 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1038 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1039 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1040
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1041 p = pkt->token.data + iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1042 len = pkt->token.len - iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1043
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1044 if (EVP_DecryptUpdate(ctx, tdec, &len, p, len) != 1) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1045 EVP_CIPHER_CTX_free(ctx);
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1046 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1047 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1048
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1049 if (EVP_DecryptFinal_ex(ctx, tdec + len, &tlen) <= 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1050 EVP_CIPHER_CTX_free(ctx);
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1051 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1052 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1053
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1054 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1055
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1056 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1057
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1058 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1059 case AF_INET6:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1060 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1061
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1062 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1063 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1064
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1065 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1066 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1067
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1068 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1069 case AF_UNIX:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1070
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1071 len = ngx_min(c->addr_text.len, NGX_QUIC_MAX_TOKEN_SIZE - sizeof(msec));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1072 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1073
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1074 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1075 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1076
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1077 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1078 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1079
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1080 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1081 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1082
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1083 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1084 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1085
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1086 if (ngx_memcmp(tdec, data, len) != 0) {
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1087 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1088 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1089
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1090 ngx_memcpy(&msec, tdec + len, sizeof(msec));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1091
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1092 if (ngx_current_msec - msec > NGX_QUIC_RETRY_LIFETIME) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1093 return NGX_DECLINED;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1094 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1095
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1096 return NGX_OK;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1097
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1098 bad_token:
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1099
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1100 qc->error = NGX_QUIC_ERR_INVALID_TOKEN;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1101 qc->error_reason = "invalid_token";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1102
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1103 return NGX_ERROR;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1104 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1105
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1106
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1107 static ngx_int_t
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	1108 ngx_quic_init_connection(ngx_connection_t *c)
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1109 {
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1110 u_char *p;
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1111 size_t clen;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1112 ssize_t len;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1113 ngx_ssl_conn_t *ssl_conn;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1114 ngx_quic_connection_t *qc;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1115
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1116 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1117
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1118 if (ngx_ssl_create_connection(qc->ssl, c, NGX_SSL_BUFFER) != NGX_OK) {
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1119 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1120 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1121
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1122 ssl_conn = c->ssl->connection;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1123
8232 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1124 if (SSL_set_quic_method(ssl_conn, &quic_method) == 0) {
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1125 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1126 "quic SSL_set_quic_method() failed");
8232 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1127 return NGX_ERROR;
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1128 }
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1129
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1130 #ifdef SSL_READ_EARLY_DATA_SUCCESS
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1131 if (SSL_CTX_get_max_early_data(qc->ssl->ctx)) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1132 SSL_set_quic_early_data_enabled(ssl_conn, 1);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1133 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1134 #endif
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1135
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1136 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp, &clen);
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1137 /* always succeeds */
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1138
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1139 p = ngx_pnalloc(c->pool, len);
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1140 if (p == NULL) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1141 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1142 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1143
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1144 len = ngx_quic_create_transport_params(p, p + len, &qc->tp, NULL);
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1145 if (len < 0) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1146 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1147 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1148
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1149 #ifdef NGX_QUIC_DEBUG_PACKETS
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	1150 ngx_quic_hexdump(c->log, "quic transport parameters", p, len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1151 #endif
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1152
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1153 if (SSL_set_quic_transport_params(ssl_conn, p, len) == 0) {
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1154 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1155 "quic SSL_set_quic_transport_params() failed");
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1156 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1157 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1158
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1159 #if NGX_OPENSSL_QUIC_ZRTT_CTX
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1160 if (SSL_set_quic_early_data_context(ssl_conn, p, clen) == 0) {
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1161 ngx_log_error(NGX_LOG_INFO, c->log, 0,
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1162 "quic SSL_set_quic_early_data_context() failed");
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1163 return NGX_ERROR;
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1164 }
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1165 #endif
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1166
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	1167 qc->max_streams = qc->tp.initial_max_streams_bidi;
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1168
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1169 return NGX_OK;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1170 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1171
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1172
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1173 static ngx_inline size_t
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1174 ngx_quic_max_udp_payload(ngx_connection_t *c)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1175 {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1176 /* TODO: path MTU discovery */
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1177
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1178 #if (NGX_HAVE_INET6)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1179 if (c->sockaddr->sa_family == AF_INET6) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1180 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT6;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1181 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1182 #endif
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1183
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1184 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1185 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1186
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1187
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1188 static void
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1189 ngx_quic_input_handler(ngx_event_t *rev)
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1190 {
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1191 ssize_t n;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1192 ngx_buf_t b;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1193 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1194 ngx_quic_connection_t *qc;
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	1195 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1196
8394 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 8393 diff changeset	1197 ngx_memzero(&b, sizeof(ngx_buf_t));
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1198 b.start = buf;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	1199 b.end = buf + sizeof(buf);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1200 b.pos = b.last = b.start;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1201 b.memory = 1;
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1202
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1203 c = rev->data;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	1204 qc = c->quic;
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1205
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1206 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic input handler");
8212 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	1207
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1208 if (rev->timedout) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1209 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1210 "quic client timed out");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1211 ngx_quic_close_connection(c, NGX_DONE);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1212 return;
8212 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	1213 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	1214
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1215 if (c->close) {
8442 b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 8439 diff changeset	1216 qc->error_reason = "graceful shutdown";
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 8439 diff changeset	1217 ngx_quic_close_connection(c, NGX_OK);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1218 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1219 }
8220 7ada2feeac18 Added processing of CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8218 diff changeset	1220
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1221 n = c->recv(c, b.start, b.end - b.start);
8215 38c0898b6df7 HTTP/3. Roman Arutyunyan <arut@nginx.com> parents: 8214 diff changeset	1222
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1223 if (n == NGX_AGAIN) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1224 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1225 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1226 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1227 return;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1228 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1229
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1230 if (n == NGX_ERROR) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1231 c->read->eof = 1;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1232 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1233 return;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1234 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1235
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1236 b.last += n;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1237
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1238 if (ngx_quic_input(c, &b) != NGX_OK) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1239 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1240 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1241 }
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1242
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1243 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1244 ngx_add_timer(rev, qc->tp.max_idle_timeout);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1245 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1246
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1247
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1248 static void
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1249 ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc)
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1250 {
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1251 ngx_pool_t *pool;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	1252
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1253 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1254 "quic ngx_quic_close_connection, rc: %i", rc);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1255
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	1256 if (!c->quic \|\| !c->quic->initialized) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1257 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1258 "quic close connection early error");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1259
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1260 } else if (ngx_quic_close_quic(c, rc) == NGX_AGAIN) {
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1261 return;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	1262 }
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1263
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1264 if (c->ssl) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1265 (void) ngx_ssl_shutdown(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1266 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1267
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1268 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1269 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1270 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1271
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1272 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1273 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1274 #endif
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1275
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1276 c->destroyed = 1;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1277
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1278 pool = c->pool;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1279
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1280 ngx_close_connection(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1281
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1282 ngx_destroy_pool(pool);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1283 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1284
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1285
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1286 static ngx_int_t
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1287 ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc)
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1288 {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1289 ngx_uint_t i;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1290 ngx_quic_send_ctx_t *ctx;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1291 ngx_quic_connection_t *qc;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1292
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1293 qc = c->quic;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1294
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1295 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1296
8398 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1297 /* drop packets from retransmit queues, no ack is expected */
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1298 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1299 ctx = ngx_quic_get_send_ctx(qc, i);
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1300 ngx_quic_free_frames(c, &ctx->sent);
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1301 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1302
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1303 if (rc == NGX_DONE) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1304
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1305 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1306 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1307 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1308 * If the idle timeout is enabled by either peer, a connection is
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1309 * silently closed and its state is discarded when it remains idle
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1310 */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1311
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1312 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1313 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1314 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1315
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1316 } else {
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1317
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1318 /*
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1319 * 10.3. Immediate Close
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1320 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1321 * An endpoint sends a CONNECTION_CLOSE frame (Section 19.19)
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1322 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1323 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1324
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1325 if (rc == NGX_OK) {
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1326 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1327 "quic immediate close, drain = %d",
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1328 qc->draining);
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1329
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1330 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1331 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1332 qc->close.handler = ngx_quic_close_timer_handler;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1333 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1334
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1335 ngx_add_timer(&qc->close, 3 * NGX_QUIC_HARDCODED_PTO);
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1336
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1337 qc->error = NGX_QUIC_ERR_NO_ERROR;
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1338
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1339 } else {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1340 if (qc->error == 0 && !qc->error_app) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1341 qc->error = NGX_QUIC_ERR_INTERNAL_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1342 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1343
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1344 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1345 "quic immediate close due to %serror: %ui %s",
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1346 qc->error_app ? "app " : "", qc->error,
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1347 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1348 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1349
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1350 qc->error_level = c->ssl ? SSL_quic_read_level(c->ssl->connection)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1351 : ssl_encryption_initial;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1352
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1353 (void) ngx_quic_send_cc(c);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1354
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1355 if (qc->error_level == ssl_encryption_handshake) {
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1356 /* for clients that might not have handshake keys */
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1357 qc->error_level = ssl_encryption_initial;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1358 (void) ngx_quic_send_cc(c);
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1359 }
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1360 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1361
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1362 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1363 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1364
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1365 if (rc == NGX_ERROR && qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1366 /* do not wait for timer in case of fatal error */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1367 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1368 }
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1369
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1370 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1371 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1372 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1373
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1374 if (qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1375 return NGX_AGAIN;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1376 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1377
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1378 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1379 ngx_quic_free_frames(c, &qc->crypto[i].frames);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1380 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1381
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1382 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1383 ngx_quic_free_frames(c, &qc->send_ctx[i].frames);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1384 ngx_quic_free_frames(c, &qc->send_ctx[i].sent);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1385 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1386
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1387 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1388 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1389 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1390
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	1391 if (qc->retransmit.timer_set) {
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	1392 ngx_del_timer(&qc->retransmit);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1393 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1394
8434 ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1395 if (qc->push.posted) {
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1396 ngx_delete_posted_event(&qc->push);
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1397 }
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1398
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1399 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1400 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1401
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1402 /* may be tested from SSL callback during SSL shutdown */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1403 c->quic = NULL;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1404
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1405 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1406 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1407
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1408
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1409 void
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1410 ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1411 const char *reason)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1412 {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1413 ngx_quic_connection_t *qc;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1414
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1415 qc = c->quic;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1416 qc->error = err;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1417 qc->error_reason = reason;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1418 qc->error_app = 1;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1419 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1420
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1421 ngx_quic_close_connection(c, NGX_ERROR);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1422 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1423
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1424
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1425 static void
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1426 ngx_quic_close_timer_handler(ngx_event_t *ev)
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1427 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1428 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1429
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1430 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic close timer");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1431
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1432 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1433 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1434 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1435
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1436
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1437 static ngx_int_t
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1438 ngx_quic_close_streams(ngx_connection_t c, ngx_quic_connection_t qc)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1439 {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1440 ngx_event_t *rev;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1441 ngx_rbtree_t *tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1442 ngx_rbtree_node_t *node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1443 ngx_quic_stream_t *qs;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1444
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1445 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1446 ngx_uint_t ns;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1447 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1448
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1449 tree = &qc->streams.tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1450
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1451 if (tree->root == tree->sentinel) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1452 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1453 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1454
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1455 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1456 ns = 0;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1457 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1458
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1459 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1460 node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1461 node = ngx_rbtree_next(tree, node))
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1462 {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1463 qs = (ngx_quic_stream_t *) node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1464
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1465 rev = qs->c->read;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1466 rev->ready = 1;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1467 rev->pending_eof = 1;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1468
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1469 ngx_post_event(rev, &ngx_posted_events);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1470
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1471 if (rev->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1472 ngx_del_timer(rev);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1473 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1474
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1475 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1476 ns++;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1477 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1478 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1479
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1480 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1481 "quic connection has %ui active streams", ns);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1482
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1483 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1484 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1485
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1486
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1487 static ngx_int_t
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1488 ngx_quic_input(ngx_connection_t c, ngx_buf_t b)
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1489 {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1490 u_char *p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1491 ngx_int_t rc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1492 ngx_quic_header_t pkt;
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1493
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1494 p = b->pos;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1495
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1496 while (p < b->last) {
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1497 c->log->action = "processing quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1498
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1499 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1500 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1501 pkt.data = p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1502 pkt.len = b->last - p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1503 pkt.log = c->log;
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1504 pkt.flags = p[0];
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1505
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1506 if (c->quic->in_retry) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1507 return ngx_quic_retry_input(c, &pkt);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1508 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1509
8371 9d9531431c8c Removed outdated/incorrect comments and fixed style. Vladimir Homutov <vl@nginx.com> parents: 8370 diff changeset	1510 /* TODO: check current state */
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1511 if (ngx_quic_long_pkt(pkt.flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1512
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1513 if (ngx_quic_pkt_in(pkt.flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1514 rc = ngx_quic_initial_input(c, &pkt);
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1515
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1516 } else if (ngx_quic_pkt_hs(pkt.flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1517 rc = ngx_quic_handshake_input(c, &pkt);
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1518
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1519 } else if (ngx_quic_pkt_zrtt(pkt.flags)) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1520 rc = ngx_quic_early_input(c, &pkt);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1521
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1522 } else {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1523 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1524 "quic unknown long packet type");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1525 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1526 }
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1527
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1528 } else {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1529 rc = ngx_quic_app_input(c, &pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1530 }
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1531
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1532 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1533 return NGX_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1534 }
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1535
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1536 /* NGX_OK \|\| NGX_DECLINED */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1537
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1538 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1539 * we get NGX_DECLINED when there are no keys [yet] available
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1540 * to decrypt packet.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1541 * Instead of queueing it, we ignore it and rely on the sender's
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1542 * retransmission:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1543 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1544 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1545 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1546 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1547 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1548 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1549 * attempt to process the remaining packets.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1550 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1551
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1552 /* b->pos is at header end, adjust by actual packet length */
8377 2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1553 b->pos += pkt.len;
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1554 p = ngx_quic_skip_zero_padding(b);
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1555 }
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1556
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1557 return NGX_OK;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1558 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1559
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1560
8377 2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1561 /* firefox workaround: skip zero padding at the end of quic packet */
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1562 static ngx_inline u_char *
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1563 ngx_quic_skip_zero_padding(ngx_buf_t *b)
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1564 {
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1565 while (b->pos < b->last && *(b->pos) == 0) {
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1566 b->pos++;
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1567 }
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1568
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1569 return b->pos;
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1570 }
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1571
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1572
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1573 static ngx_int_t
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1574 ngx_quic_retry_input(ngx_connection_t c, ngx_quic_header_t pkt)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1575 {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1576 ngx_int_t rc;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1577 ngx_quic_secrets_t *keys;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1578 ngx_quic_send_ctx_t *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1579 ngx_quic_connection_t *qc;
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	1580 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1581
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1582 c->log->action = "retrying quic connection";
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1583
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1584 if (ngx_buf_size(pkt->raw) < NGX_QUIC_MIN_INITIAL_SIZE) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1585 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1586 "quic UDP datagram is too small for initial packet");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1587 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1588 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1589
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1590 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1591 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1592 return rc;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1593 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1594
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1595 if (ngx_quic_pkt_zrtt(pkt->flags)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1596 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1597 "quic discard inflight 0-RTT packet");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1598 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1599 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1600
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1601 if (!ngx_quic_pkt_in(pkt->flags)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1602 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1603 "quic invalid initial packet: 0x%xi", pkt->flags);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1604 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1605 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1606
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1607 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1608 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1609 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1610
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1611 if (ngx_quic_new_dcid(c, &pkt->dcid) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1612 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1613 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1614
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1615 qc = c->quic;
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	1616 qc->tp.initial_scid = c->quic->dcid;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1617
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1618 keys = &c->quic->keys[ssl_encryption_initial];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1619
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1620 if (ngx_quic_set_initial_secret(c->pool, &keys->client, &keys->server,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1621 &qc->odcid)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1622 != NGX_OK)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1623 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1624 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1625 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1626
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1627 c->quic->in_retry = 0;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1628
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1629 if (ngx_quic_validate_token(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1630 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic invalid token");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1631 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1632 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1633
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1634 pkt->secret = &keys->client;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1635 pkt->level = ssl_encryption_initial;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1636 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1637
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1638 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1639
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1640 if (ngx_quic_decrypt(pkt, NULL, &ctx->largest_pn) != NGX_OK) {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1641 qc->error = pkt->error;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1642 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1643 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1644
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1645 if (ngx_quic_init_connection(c) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1646 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1647 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1648
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1649 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1650 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1651 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1652
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1653 /* pos is at header end, adjust by actual packet length */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1654 pkt->raw->pos += pkt->len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1655
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1656 (void) ngx_quic_skip_zero_padding(pkt->raw);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1657
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1658 return ngx_quic_input(c, pkt->raw);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1659 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1660
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1661
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1662 static ngx_int_t
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1663 ngx_quic_initial_input(ngx_connection_t c, ngx_quic_header_t pkt)
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1664 {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1665 ngx_int_t rc;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1666 ngx_ssl_conn_t *ssl_conn;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1667 ngx_quic_secrets_t *keys;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1668 ngx_quic_send_ctx_t *ctx;
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	1669 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1670
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1671 c->log->action = "processing initial quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1672
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1673 ssl_conn = c->ssl->connection;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1674
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1675 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1676 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1677 return rc;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1678 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1679
8224 ae35ccba7aa6 Extracted transport part of the code into separate file. Vladimir Homutov <vl@nginx.com> parents: 8223 diff changeset	1680 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1681 return NGX_ERROR;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1682 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1683
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1684 keys = &c->quic->keys[ssl_encryption_initial];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1685
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1686 pkt->secret = &keys->client;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1687 pkt->level = ssl_encryption_initial;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1688 pkt->plaintext = buf;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1689
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1690 ctx = ngx_quic_get_send_ctx(c->quic, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1691
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1692 if (ngx_quic_decrypt(pkt, ssl_conn, &ctx->largest_pn) != NGX_OK) {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1693 c->quic->error = pkt->error;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1694 return NGX_ERROR;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1695 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1696
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1697 return ngx_quic_payload_handler(c, pkt);
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1698 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1699
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1700
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1701 static ngx_int_t
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1702 ngx_quic_handshake_input(ngx_connection_t c, ngx_quic_header_t pkt)
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1703 {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1704 ngx_int_t rc;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1705 ngx_quic_secrets_t *keys;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1706 ngx_quic_send_ctx_t *ctx;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1707 ngx_quic_connection_t *qc;
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	1708 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1709
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1710 c->log->action = "processing handshake quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1711
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1712 qc = c->quic;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1713
8321 e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1714 keys = &c->quic->keys[ssl_encryption_handshake];
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1715
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1716 if (keys->client.key.len == 0) {
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1717 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1718 "quic no read keys yet, packet ignored");
8321 e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1719 return NGX_DECLINED;
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1720 }
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1721
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1722 /* extract cleartext data into pkt */
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1723 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1724 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1725 return rc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1726 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1727
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1728 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1729 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1730 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1731
8224 ae35ccba7aa6 Extracted transport part of the code into separate file. Vladimir Homutov <vl@nginx.com> parents: 8223 diff changeset	1732 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) {
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1733 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1734 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1735
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1736 pkt->secret = &keys->client;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1737 pkt->level = ssl_encryption_handshake;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1738 pkt->plaintext = buf;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1739
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1740 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1741
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1742 if (ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn) != NGX_OK) {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1743 qc->error = pkt->error;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1744 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1745 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1746
8393 e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1747 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1748 * 4.10.1. The successful use of Handshake packets indicates
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1749 * that no more Initial packets need to be exchanged
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1750 */
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1751 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_initial);
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1752 ngx_quic_free_frames(c, &ctx->sent);
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1753
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1754 return ngx_quic_payload_handler(c, pkt);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1755 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1756
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1757
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1758 static ngx_int_t
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1759 ngx_quic_early_input(ngx_connection_t c, ngx_quic_header_t pkt)
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1760 {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1761 ngx_int_t rc;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1762 ngx_quic_secrets_t *keys;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1763 ngx_quic_send_ctx_t *ctx;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1764 ngx_quic_connection_t *qc;
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	1765 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1766
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1767 c->log->action = "processing early data quic packet";
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1768
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1769 qc = c->quic;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1770
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1771 /* extract cleartext data into pkt */
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1772 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1773 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1774 return rc;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1775 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1776
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1777 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1778 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1779 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1780
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1781 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1782 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1783 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1784
8439 cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 8438 diff changeset	1785 keys = &c->quic->keys[ssl_encryption_early_data];
cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 8438 diff changeset	1786
cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 8438 diff changeset	1787 if (keys->client.key.len == 0) {
cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 8438 diff changeset	1788 ngx_log_error(NGX_LOG_INFO, c->log, 0,
cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 8438 diff changeset	1789 "quic no 0-RTT keys yet, packet ignored");
cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 8438 diff changeset	1790 return NGX_DECLINED;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1791 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1792
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1793
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1794 pkt->secret = &keys->client;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1795 pkt->level = ssl_encryption_early_data;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1796 pkt->plaintext = buf;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1797
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1798 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1799
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1800 if (ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn) != NGX_OK) {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1801 qc->error = pkt->error;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1802 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1803 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1804
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1805 return ngx_quic_payload_handler(c, pkt);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1806 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1807
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1808
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1809 static ngx_int_t
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1810 ngx_quic_check_peer(ngx_quic_connection_t qc, ngx_quic_header_t pkt)
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1811 {
8381 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1812 ngx_str_t *dcid;
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1813
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1814 dcid = ngx_quic_pkt_zrtt(pkt->flags) ? &qc->odcid : &qc->dcid;
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1815
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1816 if (pkt->dcid.len != dcid->len) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1817 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic dcidl");
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1818 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1819 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1820
8381 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1821 if (ngx_memcmp(pkt->dcid.data, dcid->data, dcid->len) != 0) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1822 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic dcid");
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1823 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1824 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1825
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1826 if (pkt->scid.len != qc->scid.len) {
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1827 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scidl");
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1828 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1829 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1830
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1831 if (ngx_memcmp(pkt->scid.data, qc->scid.data, qc->scid.len) != 0) {
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1832 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scid");
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1833 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1834 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1835
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1836 return NGX_OK;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1837 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1838
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1839
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1840 static ngx_int_t
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1841 ngx_quic_app_input(ngx_connection_t c, ngx_quic_header_t pkt)
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1842 {
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1843 ngx_int_t rc;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1844 ngx_quic_secrets_t keys, next, tmp;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1845 ngx_quic_send_ctx_t *ctx;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1846 ngx_quic_connection_t *qc;
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	1847 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1848
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1849 c->log->action = "processing application data quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1850
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1851 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1852
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1853 keys = &c->quic->keys[ssl_encryption_application];
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1854 next = &c->quic->next_key;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1855
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1856 if (keys->client.key.len == 0) {
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1857 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1858 "quic no read keys yet, packet ignored");
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1859 return NGX_DECLINED;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1860 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1861
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1862 rc = ngx_quic_parse_short_header(pkt, &qc->dcid);
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1863 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1864 return rc;
8185 6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1865 }
6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1866
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1867 pkt->secret = &keys->client;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1868 pkt->next = &next->client;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1869 pkt->key_phase = c->quic->key_phase;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1870 pkt->level = ssl_encryption_application;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1871 pkt->plaintext = buf;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1872
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1873 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1874
8446 df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8443 diff changeset	1875 rc = ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn);
df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8443 diff changeset	1876
df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8443 diff changeset	1877 if (rc != NGX_OK) {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1878 qc->error = pkt->error;
8446 df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8443 diff changeset	1879 return rc;
8185 6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1880 }
6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1881
8470 0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	1882 ngx_gettimeofday(&pkt->received);
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	1883
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1884 /* switch keys on Key Phase change */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1885
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1886 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1887 c->quic->key_phase ^= 1;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1888
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1889 tmp = *keys;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1890 keys = next;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1891 *next = tmp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1892 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1893
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1894 rc = ngx_quic_payload_handler(c, pkt);
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1895
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1896 if (rc == NGX_ERROR) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1897 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1898 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1899
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1900 /* generate next keys */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1901
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1902 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1903 if (ngx_quic_key_update(c, keys, next) != NGX_OK) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1904 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1905 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1906 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1907
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1908 return rc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1909 }
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	1910
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	1911
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1912 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1913 ngx_quic_payload_handler(ngx_connection_t c, ngx_quic_header_t pkt)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1914 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1915 u_char end, p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1916 ssize_t len;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1917 ngx_uint_t ack_sent, do_close;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1918 ngx_quic_frame_t frame;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1919 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1920
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1921 qc = c->quic;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1922
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1923 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1924 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1925 * 10.1 Closing and Draining Connection States
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1926 * ... delayed or reordered packets are properly discarded.
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1927 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1928 * An endpoint retains only enough information to generate
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1929 * a packet containing a CONNECTION_CLOSE frame and to identify
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1930 * packets as belonging to the connection.
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1931 */
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1932
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1933 qc->error_level = pkt->level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1934 qc->error = NGX_QUIC_ERR_NO_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1935 qc->error_reason = "connection is closing, packet discarded";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1936 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1937 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1938
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1939 return ngx_quic_send_cc(c);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1940 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1941
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1942 p = pkt->payload.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1943 end = p + pkt->payload.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1944
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1945 ack_sent = 0;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1946 do_close = 0;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1947
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1948 while (p < end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1949
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1950 c->log->action = "parsing frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1951
8240 1f002206a59b Added boundaries checks into frame parser. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	1952 len = ngx_quic_parse_frame(pkt, p, end, &frame);
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1953
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1954 if (len < 0) {
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	1955 qc->error = pkt->error;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1956 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1957 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1958
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1959 c->log->action = "handling frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1960
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1961 p += len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1962
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1963 switch (frame.type) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1964
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1965 case NGX_QUIC_FT_ACK:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1966 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1967 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1968 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1969
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1970 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1971
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1972 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1973 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1974 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1975
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1976 case NGX_QUIC_FT_CONNECTION_CLOSE:
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1977 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1978 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1979 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1980 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1981
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1982 /* got there with ack-eliciting packet */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1983
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1984 if (!ack_sent) {
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1985 if (ngx_quic_send_ack(c, pkt) != NGX_OK) {
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1986 return NGX_ERROR;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1987 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1988
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1989 ack_sent = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1990 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1991
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1992 switch (frame.type) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1993
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1994 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1995
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1996 if (ngx_quic_handle_crypto_frame(c, pkt, &frame) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1997 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1998 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1999
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2000 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2001
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2002 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2003 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2004
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2005 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2006 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2007 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2008 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2009 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2010 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2011 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2012 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2013
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2014 if (ngx_quic_handle_stream_frame(c, pkt, &frame) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2015 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2016 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2017
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2018 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2019
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	2020 case NGX_QUIC_FT_MAX_DATA:
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2021
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2022 if (ngx_quic_handle_max_data_frame(c, &frame.u.max_data) != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2023 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2024 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2025 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2026
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	2027 break;
ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	2028
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2029 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2030 case NGX_QUIC_FT_STREAMS_BLOCKED2:
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2031
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2032 if (ngx_quic_handle_streams_blocked_frame(c, pkt,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2033 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2034 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2035 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2036 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2037 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2038
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2039 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2040
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2041 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2042
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2043 if (ngx_quic_handle_stream_data_blocked_frame(c, pkt,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2044 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2045 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2046 {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2047 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2048 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2049
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2050 break;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2051
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2052 case NGX_QUIC_FT_MAX_STREAM_DATA:
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2053
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2054 if (ngx_quic_handle_max_stream_data_frame(c, pkt,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2055 &frame.u.max_stream_data)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2056 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2057 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2058 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2059 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2060
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2061 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2062
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2063 case NGX_QUIC_FT_RESET_STREAM:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2064
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2065 if (ngx_quic_handle_reset_stream_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2066 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2067 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2068 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2069 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2070 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2071
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2072 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2073
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2074 case NGX_QUIC_FT_STOP_SENDING:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2075
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2076 if (ngx_quic_handle_stop_sending_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2077 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2078 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2079 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2080 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2081 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2082
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2083 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2084
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2085 case NGX_QUIC_FT_NEW_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2086 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2087 case NGX_QUIC_FT_PATH_CHALLENGE:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2088 case NGX_QUIC_FT_PATH_RESPONSE:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2089
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2090 /* TODO: handle */
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2091 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2092 "quic frame handler not implemented");
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2093 break;
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2094
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2095 default:
8346 4e4485793418 Added MAX_STREAM_DATA stub handler. Vladimir Homutov <vl@nginx.com> parents: 8345 diff changeset	2096 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2097 "quic missing frame handler");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2098 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2099 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2100 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2101
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2102 if (p != end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2103 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2104 "quic trailing garbage in payload: %ui bytes", end - p);
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2105
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2106 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2107 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2108 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2109
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2110 if (do_close) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2111 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2112 ngx_quic_close_connection(c, NGX_OK);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2113 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2114
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2115 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2116 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2117
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2118
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2119 static ngx_int_t
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2120 ngx_quic_send_ack(ngx_connection_t c, ngx_quic_header_t pkt)
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2121 {
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2122 ngx_quic_frame_t *frame;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2123
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2124 c->log->action = "generating acknowledgment";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2125
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2126 /* every ACK-eliciting packet is acknowledged, TODO ACK Ranges */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2127
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2128 frame = ngx_quic_alloc_frame(c, 0);
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2129 if (frame == NULL) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2130 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2131 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2132
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2133 frame->level = (pkt->level == ssl_encryption_early_data)
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2134 ? ssl_encryption_application
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2135 : pkt->level;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2136
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2137 frame->type = NGX_QUIC_FT_ACK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2138 frame->u.ack.largest = pkt->pn;
8470 0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2139 frame->u.ack.delay = ngx_quic_ack_delay(c, &pkt->received, frame->level);
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2140
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2141 ngx_sprintf(frame->info, "ACK for PN=%d from frame handler level=%d",
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2142 pkt->pn, frame->level);
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2143 ngx_quic_queue_frame(c->quic, frame);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2144
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2145 return NGX_OK;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2146 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2147
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2148
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2149 static ngx_int_t
8470 0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2150 ngx_quic_ack_delay(ngx_connection_t c, struct timeval received,
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2151 enum ssl_encryption_level_t level)
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2152 {
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2153 ngx_int_t ack_delay;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2154 struct timeval tv;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2155
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2156 ack_delay = 0;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2157
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2158 if (level == ssl_encryption_application) {
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2159 ngx_gettimeofday(&tv);
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2160 ack_delay = (tv.tv_sec - received->tv_sec) * 1000000
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2161 + tv.tv_usec - received->tv_usec;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2162 ack_delay >>= c->quic->ctp.ack_delay_exponent;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2163 }
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2164
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2165 return ack_delay;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2166 }
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2167
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2168
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2169 static ngx_int_t
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2170 ngx_quic_send_cc(ngx_connection_t *c)
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2171 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2172 ngx_quic_frame_t *frame;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2173 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2174
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2175 qc = c->quic;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2176
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2177 if (qc->draining) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2178 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2179 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2180
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2181 if (qc->closing
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2182 && ngx_current_msec - qc->last_cc < NGX_QUIC_CC_MIN_INTERVAL)
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2183 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2184 /* dot not send CC too often */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2185 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2186 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2187
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2188 frame = ngx_quic_alloc_frame(c, 0);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2189 if (frame == NULL) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2190 return NGX_ERROR;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2191 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2192
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2193 frame->level = qc->error_level;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2194 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE;
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2195 frame->u.close.error_code = qc->error;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2196 frame->u.close.frame_type = qc->error_ftype;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2197 frame->u.close.app = qc->error_app;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2198
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2199 if (qc->error_reason) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2200 frame->u.close.reason.len = ngx_strlen(qc->error_reason);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2201 frame->u.close.reason.data = (u_char *) qc->error_reason;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2202 }
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2203
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2204 ngx_snprintf(frame->info, sizeof(frame->info) - 1,
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2205 "CONNECTION_CLOSE%s err:%ui level:%d ft:%ui reason:\"%s\"",
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2206 qc->error_app ? "_APP" : "", qc->error, qc->error_level,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2207 qc->error_ftype, qc->error_reason ? qc->error_reason : "-");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2208
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2209 ngx_quic_queue_frame(c->quic, frame);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2210
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2211 qc->last_cc = ngx_current_msec;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2212
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2213 return ngx_quic_output(c);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2214 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2215
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2216
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2217 static ngx_int_t
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2218 ngx_quic_send_new_token(ngx_connection_t *c)
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2219 {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2220 ngx_str_t token;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2221 ngx_quic_frame_t *frame;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2222
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2223 if (!c->quic->tp.retry) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2224 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2225 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2226
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2227 if (ngx_quic_new_token(c, &token) != NGX_OK) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2228 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2229 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2230
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2231 frame = ngx_quic_alloc_frame(c, 0);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2232 if (frame == NULL) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2233 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2234 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2235
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2236 frame->level = ssl_encryption_application;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2237 frame->type = NGX_QUIC_FT_NEW_TOKEN;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2238 frame->u.token.length = token.len;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2239 frame->u.token.data = token.data;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2240 ngx_sprintf(frame->info, "NEW_TOKEN");
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2241 ngx_quic_queue_frame(c->quic, frame);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2242
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2243 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2244 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2245
8450 a62849b6463c Style. Vladimir Homutov <vl@nginx.com> parents: 8447 diff changeset	2246
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2247 static ngx_int_t
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2248 ngx_quic_handle_ack_frame(ngx_connection_t c, ngx_quic_header_t pkt,
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2249 ngx_quic_ack_frame_t *ack)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2250 {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2251 ssize_t n;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2252 u_char pos, end;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2253 uint64_t gap, range;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2254 ngx_msec_t send_time;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2255 ngx_uint_t i, min, max;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2256 ngx_quic_send_ctx_t *ctx;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2257 ngx_quic_connection_t *qc;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2258
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2259 qc = c->quic;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2260
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2261 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2262
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2263 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2264 "quic ngx_quic_handle_ack_frame level %d", pkt->level);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2265
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2266 /*
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2267 * If any computed packet number is negative, an endpoint MUST
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2268 * generate a connection error of type FRAME_ENCODING_ERROR.
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2269 * (19.3.1)
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2270 */
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2271
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2272 if (ack->first_range > ack->largest) {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2273 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2274 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2275 "quic invalid first range in ack frame");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2276 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2277 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2278
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2279 min = ack->largest - ack->first_range;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2280 max = ack->largest;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2281
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2282 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2283 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2284 {
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2285 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2286 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2287
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2288 /* 13.2.3. Receiver Tracking of ACK Frames */
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2289 if (ctx->largest_ack < max) {
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2290 ctx->largest_ack = max;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2291 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2292 "quic updated largest received ack: %ui", max);
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2293
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2294 /*
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2295 * An endpoint generates an RTT sample on receiving an
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2296 * ACK frame that meets the following two conditions:
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2297 *
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2298 * - the largest acknowledged packet number is newly acknowledged
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2299 * - at least one of the newly acknowledged packets was ack-eliciting.
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2300 */
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2301
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2302 if (send_time != NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2303 ngx_quic_rtt_sample(c, ack, pkt->level, send_time);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2304 }
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2305 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2306
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2307 pos = ack->ranges_start;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2308 end = ack->ranges_end;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2309
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2310 for (i = 0; i < ack->range_count; i++) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2311
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2312 n = ngx_quic_parse_ack_range(pkt, pos, end, &gap, &range);
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2313 if (n == NGX_ERROR) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2314 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2315 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2316 pos += n;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2317
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2318 if (gap >= min) {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2319 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2320 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2321 "quic invalid range %ui in ack frame", i);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2322 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2323 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2324
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2325 max = min - 1 - gap;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2326
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2327 if (range > max + 1) {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2328 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2329 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2330 "quic invalid range %ui in ack frame", i);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2331 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2332 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2333
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2334 min = max - range + 1;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2335
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2336 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2337 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2338 {
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2339 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2340 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2341 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2342
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2343 return NGX_OK;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2344 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2345
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2346
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2347 static ngx_int_t
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2348 ngx_quic_handle_ack_frame_range(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2349 uint64_t min, uint64_t max, ngx_msec_t *send_time)
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2350 {
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2351 uint64_t found_num;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2352 ngx_uint_t found;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2353 ngx_queue_t *q;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2354 ngx_quic_frame_t *f;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2355 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2356
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2357 qc = c->quic;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2358
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2359 *send_time = NGX_TIMER_INFINITE;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2360 found = 0;
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2361 found_num = 0;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2362
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2363 q = ngx_queue_last(&ctx->sent);
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2364
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2365 while (q != ngx_queue_sentinel(&ctx->sent)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2366
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2367 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2368 q = ngx_queue_prev(q);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2369
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2370 if (f->pnum >= min && f->pnum <= max) {
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2371 ngx_quic_congestion_ack(c, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2372
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2373 ngx_quic_handle_stream_ack(c, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2374
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2375 if (f->pnum > found_num \|\| !found) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2376 *send_time = f->last;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2377 found_num = f->pnum;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2378 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2379
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2380 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2381 ngx_quic_free_frame(c, f);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2382 found = 1;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2383 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2384 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2385
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2386 if (!found) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2387
8437 4e75267865de QUIC: fixed off-by-one in frame range handler. Vladimir Homutov <vl@nginx.com> parents: 8436 diff changeset	2388 if (max < ctx->pnum) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2389 /* duplicate ACK or ACK for non-ack-eliciting frame */
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2390 return NGX_OK;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2391 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2392
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2393 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8401 d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	2394 "quic ACK for the packet not sent");
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2395
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2396 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2397 qc->error_ftype = NGX_QUIC_FT_ACK;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2398 qc->error_reason = "unknown packet number";
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2399
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2400 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2401 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2402
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2403 if (!qc->push.timer_set) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2404 ngx_post_event(&qc->push, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2405 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2406
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2407 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2408 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2409
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2410
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2411 static void
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2412 ngx_quic_rtt_sample(ngx_connection_t c, ngx_quic_ack_frame_t ack,
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2413 enum ssl_encryption_level_t level, ngx_msec_t send_time)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2414 {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2415 ngx_msec_t latest_rtt, ack_delay, adjusted_rtt, rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2416 ngx_quic_connection_t *qc;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2417
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2418 qc = c->quic;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2419
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2420 latest_rtt = ngx_current_msec - send_time;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2421 qc->latest_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2422
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2423 if (qc->min_rtt == NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2424 qc->min_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2425 qc->avg_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2426 qc->rttvar = latest_rtt / 2;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2427
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2428 } else {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2429 qc->min_rtt = ngx_min(qc->min_rtt, latest_rtt);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2430
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2431
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2432 if (level == ssl_encryption_application) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2433 ack_delay = ack->delay * (1 << qc->ctp.ack_delay_exponent) / 1000;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2434 ack_delay = ngx_min(ack_delay, qc->ctp.max_ack_delay);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2435
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2436 } else {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2437 ack_delay = 0;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2438 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2439
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2440 adjusted_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2441
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2442 if (qc->min_rtt + ack_delay < latest_rtt) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2443 adjusted_rtt -= ack_delay;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2444 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2445
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2446 qc->avg_rtt = 0.875 * qc->avg_rtt + 0.125 * adjusted_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2447 rttvar_sample = ngx_abs((ngx_msec_int_t) (qc->avg_rtt - adjusted_rtt));
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2448 qc->rttvar = 0.75 * qc->rttvar + 0.25 * rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2449 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2450
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2451 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2452 "quic rtt sample: latest %M, min %M, avg %M, var %M",
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2453 latest_rtt, qc->min_rtt, qc->avg_rtt, qc->rttvar);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2454 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2455
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2456
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2457 static void
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2458 ngx_quic_handle_stream_ack(ngx_connection_t c, ngx_quic_frame_t f)
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2459 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2460 uint64_t sent, unacked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2461 ngx_event_t *wev;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2462 ngx_quic_stream_t *sn;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2463 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2464
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2465 if (f->type < NGX_QUIC_FT_STREAM0 \|\| f->type > NGX_QUIC_FT_STREAM7) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2466 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2467 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2468
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2469 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2470
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2471 sn = ngx_quic_find_stream(&qc->streams.tree, f->u.stream.stream_id);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2472 if (sn == NULL) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2473 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2474 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2475
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2476 wev = sn->c->write;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2477 sent = sn->c->sent;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2478 unacked = sent - sn->acked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2479
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2480 if (unacked >= NGX_QUIC_STREAM_BUFSIZE && wev->active) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2481 wev->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2482 ngx_post_event(wev, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2483 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2484
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2485 sn->acked += f->u.stream.length;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2486
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2487 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, sn->c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2488 "quic stream ack %uL acked:%uL, unacked:%uL",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2489 f->u.stream.length, sn->acked, sent - sn->acked);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2490 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2491
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2492
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2493 static ngx_int_t
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2494 ngx_quic_handle_ordered_frame(ngx_connection_t c, ngx_quic_frames_stream_t fs,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2495 ngx_quic_frame_t frame, ngx_quic_frame_handler_pt handler, void data)
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2496 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2497 size_t full_len;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2498 ngx_int_t rc;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2499 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2500 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2501
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2502 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2503
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2504 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2505 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2506 "quic out-of-order frame: expecting %ui got %ui",
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2507 fs->received, f->offset);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2508
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2509 return ngx_quic_buffer_frame(c, fs, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2510 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2511
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2512 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2513
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2514 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2515 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2516 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2517 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2518 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2519 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2520
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2521 /* intersecting data range, frame modified */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2522 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2523
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2524 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2525
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2526 rc = handler(c, frame, data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2527 if (rc == NGX_ERROR) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2528 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2529
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2530 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2531 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2532 return NGX_OK;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2533 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2534
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2535 /* rc == NGX_OK */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2536
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2537 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2538
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2539 /* now check the queue if we can continue with buffered frames */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2540
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2541 do {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2542 q = ngx_queue_head(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2543 if (q == ngx_queue_sentinel(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2544 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2545 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2546
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2547 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2548 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2549
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2550 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2551 /* gap found, nothing more to do */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2552 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2553 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2554
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2555 full_len = f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2556
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2557 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2558
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2559 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2560 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2561 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2562 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2563 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2564 fs->total -= f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2565
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2566 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2567 "quic skipped buffered frame, total %ui",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2568 fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2569 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2570 continue;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2571 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2572
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2573 /* frame was adjusted, proceed to input */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2574 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2575
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2576 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2577
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2578 rc = handler(c, frame, data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2579
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2580 if (rc == NGX_ERROR) {
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2581 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2582
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2583 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2584 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2585 return NGX_OK;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2586 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2587
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2588 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2589 fs->total -= full_len;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2590
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2591 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2592
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2593 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2594 "quic consumed buffered frame, total %ui", fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2595
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2596 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2597
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2598 } while (1);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2599
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2600 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2601 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2602
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2603
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2604 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2605 ngx_quic_adjust_frame_offset(ngx_connection_t c, ngx_quic_frame_t frame,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2606 uint64_t offset_in)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2607 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2608 size_t tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2609 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2610
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2611 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2612
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2613 tail = offset_in - f->offset;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2614
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2615 if (tail >= f->length) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2616 /* range preceeding already received data or duplicate, ignore */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2617
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2618 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2619 "quic old or duplicate data in ordered frame, ignored");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2620 return NGX_DONE;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2621 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2622
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2623 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2624 "quic adjusted ordered frame data start to expected offset");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2625
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2626 /* intersecting range: adjust data size */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2627
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2628 f->offset += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2629 f->data += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2630 f->length -= tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2631
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2632 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2633 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2634
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2635
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2636 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2637 ngx_quic_buffer_frame(ngx_connection_t c, ngx_quic_frames_stream_t fs,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2638 ngx_quic_frame_t *frame)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2639 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2640 u_char *data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2641 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2642 ngx_quic_frame_t dst, item;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2643 ngx_quic_ordered_frame_t f, df;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2644
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2645 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2646 "quic ngx_quic_buffer_frame");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2647
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2648 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2649
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2650 /* frame start offset is in the future, buffer it */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2651
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2652 /* check limit on total size used by all buffered frames, not actual data */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2653 if (NGX_QUIC_MAX_BUFFERED - fs->total < f->length) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2654 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2655 "quic ordered input buffer limit exceeded");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2656 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2657 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2658
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2659 dst = ngx_quic_alloc_frame(c, f->length);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2660 if (dst == NULL) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2661 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2662 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2663
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2664 data = dst->data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2665 ngx_memcpy(dst, frame, sizeof(ngx_quic_frame_t));
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2666 dst->data = data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2667
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2668 ngx_memcpy(dst->data, f->data, f->length);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2669
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2670 df = &dst->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2671 df->data = dst->data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2672
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2673 fs->total += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2674
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2675 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2676 "quic ordered frame with unexpected offset:"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2677 " buffered, total %ui", fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2678
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2679 /* TODO: do we need some timeout for this queue ? */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2680
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2681 if (ngx_queue_empty(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2682 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2683 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2684 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2685
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2686 for (q = ngx_queue_last(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2687 q != ngx_queue_sentinel(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2688 q = ngx_queue_prev(q))
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2689 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2690 item = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2691 f = &item->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2692
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2693 if (f->offset < df->offset) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2694 ngx_queue_insert_after(q, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2695 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2696 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2697 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2698
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2699 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2700
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2701 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2702 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2703
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2704
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2705 static ngx_int_t
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2706 ngx_quic_handle_crypto_frame(ngx_connection_t c, ngx_quic_header_t pkt,
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2707 ngx_quic_frame_t *frame)
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2708 {
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2709 ngx_quic_connection_t *qc;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2710 ngx_quic_frames_stream_t *fs;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2711
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2712 qc = c->quic;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2713 fs = &qc->crypto[pkt->level];
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2714
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2715 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input,
81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2716 NULL);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2717 }
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2718
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2719
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2720 static ngx_int_t
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2721 ngx_quic_crypto_input(ngx_connection_t c, ngx_quic_frame_t frame, void *data)
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2722 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2723 int sslerr;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2724 ssize_t n;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2725 ngx_ssl_conn_t *ssl_conn;
8393 e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2726 ngx_quic_send_ctx_t *ctx;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2727 ngx_quic_crypto_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2728
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2729 f = &frame->u.crypto;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2730
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2731 ssl_conn = c->ssl->connection;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2732
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2733 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2734 "quic SSL_quic_read_level: %d, SSL_quic_write_level: %d",
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2735 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2736 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2737
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2738 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn),
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2739 f->data, f->length))
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2740 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2741 ngx_ssl_error(NGX_LOG_INFO, c->log, 0,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2742 "SSL_provide_quic_data() failed");
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2743 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2744 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2745
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2746 n = SSL_do_handshake(ssl_conn);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2747
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2748 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2749
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2750 if (n == -1) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2751 sslerr = SSL_get_error(ssl_conn, n);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2752
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2753 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d",
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2754 sslerr);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2755
8300 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	2756 if (sslerr != SSL_ERROR_WANT_READ) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2757 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed");
8300 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	2758 return NGX_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2759 }
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2760
8302 76818c9cdd6f Sending HANDSHAKE_DONE just once with BoringSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8301 diff changeset	2761 } else if (n == 1 && !SSL_in_init(ssl_conn)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2762
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2763 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8299 4ad7d4272cd5 Style. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	2764 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn));
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2765
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2766 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2767 "quic handshake completed successfully");
8273 cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2768
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	2769 frame = ngx_quic_alloc_frame(c, 0);
8273 cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2770 if (frame == NULL) {
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2771 return NGX_ERROR;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2772 }
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2773
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2774 /* 12.4 Frames and frame types, figure 8 */
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2775 frame->level = ssl_encryption_application;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2776 frame->type = NGX_QUIC_FT_HANDSHAKE_DONE;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2777 ngx_sprintf(frame->info, "HANDSHAKE DONE on handshake completed");
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2778 ngx_quic_queue_frame(c->quic, frame);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2779
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2780 if (ngx_quic_send_new_token(c) != NGX_OK) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2781 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2782 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2783
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2784 /*
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2785 * Generating next keys before a key update is received.
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2786 * See quic-tls 9.4 Header Protection Timing Side-Channels.
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2787 */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2788
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2789 if (ngx_quic_key_update(c, &c->quic->keys[ssl_encryption_application],
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2790 &c->quic->next_key)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2791 != NGX_OK)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2792 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2793 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2794 }
8393 e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2795
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2796 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2797 * 4.10.2 An endpoint MUST discard its handshake keys
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2798 * when the TLS handshake is confirmed
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2799 */
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2800 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_handshake);
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2801 ngx_quic_free_frames(c, &ctx->sent);
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2802 }
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2803
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2804 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2805 "quic SSL_quic_read_level: %d, SSL_quic_write_level: %d",
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2806 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2807 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2808
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2809 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2810 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2811
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2812
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2813 static ngx_int_t
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2814 ngx_quic_handle_stream_frame(ngx_connection_t c, ngx_quic_header_t pkt,
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2815 ngx_quic_frame_t *frame)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2816 {
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2817 size_t n;
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2818 ngx_buf_t *b;
81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2819 ngx_event_t *rev;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2820 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2821 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2822 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2823 ngx_quic_frames_stream_t *fs;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2824
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2825 qc = c->quic;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2826 f = &frame->u.stream;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2827
8427 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2828 if ((f->stream_id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2829 && (f->stream_id & NGX_QUIC_STREAM_SERVER_INITIATED))
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2830 {
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2831 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2832 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2833 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2834
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2835 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2836
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2837 if (sn == NULL) {
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2838 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2839 "quic stream id 0x%xi is new", f->stream_id);
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2840
8427 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2841 if (f->stream_id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2842 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2843 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2844 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2845
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2846 n = (f->stream_id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2847 ? qc->tp.initial_max_stream_data_uni
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2848 : qc->tp.initial_max_stream_data_bidi_remote;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2849
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2850 if (n < NGX_QUIC_STREAM_BUFSIZE) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2851 n = NGX_QUIC_STREAM_BUFSIZE;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2852 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2853
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2854 if (n < f->length) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2855 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2856 "quic no space in stream buffer");
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2857 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2858 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2859
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2860 /*
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2861 * TODO: check IDs are increasing ? create all lower-numbered?
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2862 *
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2863 * 2.1. Stream Types and Identifiers
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2864 *
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2865 * Within each type, streams are created with numerically increasing
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2866 * stream IDs. A stream ID that is used out of order results in all
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2867 * streams of that type with lower-numbered stream IDs also being
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2868 * opened.
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2869 */
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2870 sn = ngx_quic_create_stream(c, f->stream_id, n);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2871 if (sn == NULL) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2872 return NGX_ERROR;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2873 }
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2874
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2875 rev = sn->c->read;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2876
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2877 if (f->offset == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2878
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2879 b = sn->b;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2880 b->last = ngx_cpymem(b->last, f->data, f->length);
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2881
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2882 sn->fs.received += f->length;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2883
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2884 rev->ready = 1;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2885
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2886 if (f->fin) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2887 rev->pending_eof = 1;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2888 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2889
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2890 } else {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2891 rev->ready = 0;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2892 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2893
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2894 if ((f->stream_id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2895 ngx_quic_handle_max_streams(c);
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2896 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2897
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2898 qc->streams.handler(sn->c);
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2899
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2900 if (f->offset == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2901 return NGX_OK;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2902 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2903
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2904 /* out-of-order stream: proceed to buffering */
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2905 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2906
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2907 fs = &sn->fs;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2908
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2909 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2910 sn);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2911 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2912
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2913
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2914 static ngx_int_t
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2915 ngx_quic_stream_input(ngx_connection_t c, ngx_quic_frame_t frame, void *data)
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2916 {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2917 ngx_buf_t *b;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2918 ngx_event_t *rev;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2919 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2920 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2921 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2922
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2923 qc = c->quic;
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2924 sn = data;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2925
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2926 f = &frame->u.stream;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2927
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2928 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic existing stream");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2929
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2930 b = sn->b;
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2931
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2932 if ((size_t) ((b->pos - b->start) + (b->end - b->last)) < f->length) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2933 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2934 "quic no space in stream buffer");
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2935 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2936 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2937
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2938 if ((size_t) (b->end - b->last) < f->length) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2939 b->last = ngx_movemem(b->start, b->pos, b->last - b->pos);
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2940 b->pos = b->start;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2941 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2942
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2943 b->last = ngx_cpymem(b->last, f->data, f->length);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2944
8294 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2945 rev = sn->c->read;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2946 rev->ready = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2947
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2948 if (f->fin) {
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2949 rev->pending_eof = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2950 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2951
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2952 if (rev->active) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2953 rev->handler(rev);
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2954 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2955
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2956 /* check if stream was destroyed by handler */
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2957 if (ngx_quic_find_stream(&qc->streams.tree, f->stream_id) == NULL) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2958 return NGX_DONE;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2959 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2960
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2961 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2962 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2963
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2964
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2965 static ngx_int_t
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2966 ngx_quic_handle_max_streams(ngx_connection_t *c)
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2967 {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2968 ngx_quic_frame_t *frame;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2969 ngx_quic_connection_t *qc;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2970
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2971 qc = c->quic;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2972 qc->cur_streams++;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2973
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2974 if (qc->cur_streams + NGX_QUIC_STREAMS_INC / 2 < qc->max_streams) {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2975 return NGX_OK;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2976 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2977
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2978 frame = ngx_quic_alloc_frame(c, 0);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2979 if (frame == NULL) {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2980 return NGX_ERROR;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2981 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2982
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2983 qc->max_streams = ngx_max(qc->max_streams + NGX_QUIC_STREAMS_INC,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2984 NGX_QUIC_STREAMS_LIMIT);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2985
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2986 frame->level = ssl_encryption_application;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2987 frame->type = NGX_QUIC_FT_MAX_STREAMS;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2988 frame->u.max_streams.limit = qc->max_streams;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2989 frame->u.max_streams.bidi = 1;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2990
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2991 ngx_sprintf(frame->info, "MAX_STREAMS limit:%d bidi:%d level=%d",
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2992 (int) frame->u.max_streams.limit,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2993 (int) frame->u.max_streams.bidi,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2994 frame->level);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2995
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2996 ngx_quic_queue_frame(qc, frame);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2997
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2998 return NGX_OK;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2999 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	3000
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	3001
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	3002 static ngx_int_t
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3003 ngx_quic_handle_max_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3004 ngx_quic_max_data_frame_t *f)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3005 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3006 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3007 ngx_rbtree_t *tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3008 ngx_rbtree_node_t *node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3009 ngx_quic_stream_t *qs;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3010 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3011
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3012 qc = c->quic;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3013 tree = &qc->streams.tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3014
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3015 if (f->max_data <= qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3016 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3017 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3018
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3019 if (qc->streams.sent >= qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3020
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3021 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3022 node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3023 node = ngx_rbtree_next(tree, node))
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3024 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3025 qs = (ngx_quic_stream_t *) node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3026 wev = qs->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3027
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3028 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3029 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3030 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3031 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3032 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3033 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3034
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3035 qc->streams.send_max_data = f->max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3036
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3037 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3038 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3039
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3040
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3041 static ngx_int_t
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3042 ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3043 ngx_quic_header_t pkt, ngx_quic_streams_blocked_frame_t f)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3044 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3045 ngx_quic_frame_t *frame;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3046
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3047 frame = ngx_quic_alloc_frame(c, 0);
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3048 if (frame == NULL) {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3049 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3050 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3051
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3052 frame->level = pkt->level;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3053 frame->type = NGX_QUIC_FT_MAX_STREAMS;
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	3054 frame->u.max_streams.limit = ngx_max(f->limit * 2, NGX_QUIC_STREAMS_LIMIT);
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3055 frame->u.max_streams.bidi = f->bidi;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3056
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	3057 c->quic->max_streams = frame->u.max_streams.limit;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	3058
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3059 ngx_sprintf(frame->info, "MAX_STREAMS limit:%d bidi:%d level=%d",
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3060 (int) frame->u.max_streams.limit,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3061 (int) frame->u.max_streams.bidi,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3062 frame->level);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3063
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3064 ngx_quic_queue_frame(c->quic, frame);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3065
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3066 return NGX_OK;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3067 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3068
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3069
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3070 static ngx_int_t
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3071 ngx_quic_handle_stream_data_blocked_frame(ngx_connection_t *c,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3072 ngx_quic_header_t pkt, ngx_quic_stream_data_blocked_frame_t f)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3073 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3074 size_t n;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3075 ngx_buf_t *b;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3076 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3077 ngx_quic_stream_t *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3078 ngx_quic_connection_t *qc;
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3079
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3080 qc = c->quic;
8429 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3081
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3082 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3083 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED))
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3084 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3085 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3086 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3087 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3088
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3089 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3090
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3091 if (sn == NULL) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	3092 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	3093 "quic unknown stream id:%uL", f->id);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3094 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3095 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3096
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3097 b = sn->b;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3098 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3099
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3100 frame = ngx_quic_alloc_frame(c, 0);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3101 if (frame == NULL) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3102 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3103 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3104
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3105 frame->level = pkt->level;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3106 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3107 frame->u.max_stream_data.id = f->id;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3108 frame->u.max_stream_data.limit = n;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3109
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3110 ngx_sprintf(frame->info, "MAX_STREAM_DATA id:%d limit:%d level=%d",
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3111 (int) frame->u.max_stream_data.id,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3112 (int) frame->u.max_stream_data.limit,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3113 frame->level);
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3114
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3115 ngx_quic_queue_frame(c->quic, frame);
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3116
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3117 return NGX_OK;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3118 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3119
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3120
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3121 static ngx_int_t
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3122 ngx_quic_handle_max_stream_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3123 ngx_quic_header_t pkt, ngx_quic_max_stream_data_frame_t f)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3124 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3125 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3126 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3127 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3128 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3129
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3130 qc = c->quic;
8429 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3131
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3132 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3133 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3134 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3135 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3136 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3137 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3138
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3139 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3140
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3141 if (sn == NULL) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3142 ngx_log_error(NGX_LOG_INFO, c->log, 0, "unknown stream id:%uL", f->id);
8429 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3143
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3144 if (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3145 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3146 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3147
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3148 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3149 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3150
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3151 if (f->limit <= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3152 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3153 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3154
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3155 sent = sn->c->sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3156
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3157 if (sent >= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3158 wev = sn->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3159
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3160 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3161 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3162 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3163 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3164 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3165
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3166 sn->send_max_data = f->limit;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3167
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3168 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3169 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3170
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3171
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3172 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3173 ngx_quic_handle_reset_stream_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3174 ngx_quic_header_t pkt, ngx_quic_reset_stream_frame_t f)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3175 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3176 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3177 "quic frame handler not implemented");
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3178
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3179 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3180 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED))
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3181 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3182 c->quic->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3183 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3184 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3185
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3186 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3187 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3188
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3189
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3190 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3191 ngx_quic_handle_stop_sending_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3192 ngx_quic_header_t pkt, ngx_quic_stop_sending_frame_t f)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3193 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3194 ngx_quic_stream_t *sn;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3195 ngx_quic_connection_t *qc;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3196
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3197 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3198 "quic frame handler not implemented");
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3199
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3200 qc = c->quic;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3201
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3202 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3203 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3204 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3205 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3206 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3207 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3208
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3209 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3210
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3211 if (sn == NULL) {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3212 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3213 "quic stream id 0x%xi is new", f->id);
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3214
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3215 if (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3216 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3217 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3218 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3219 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3220
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3221 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3222 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3223
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3224
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3225 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3226 ngx_quic_queue_frame(ngx_quic_connection_t qc, ngx_quic_frame_t frame)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3227 {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3228 ngx_quic_send_ctx_t *ctx;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3229
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3230 ctx = ngx_quic_get_send_ctx(qc, frame->level);
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3231
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3232 ngx_queue_insert_tail(&ctx->frames, &frame->queue);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3233
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3234 /* TODO: check PUSH flag on stream and call output */
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3235
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3236 if (!qc->push.timer_set && !qc->closing) {
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3237 ngx_add_timer(&qc->push, qc->tp.max_ack_delay);
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3238 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3239 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3240
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3241
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3242 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3243 ngx_quic_output(ngx_connection_t *c)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3244 {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3245 ngx_uint_t i;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3246 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3247
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	3248 c->log->action = "sending frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	3249
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3250 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3251
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3252 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3253 if (ngx_quic_output_frames(c, &qc->send_ctx[i]) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3254 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3255 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3256 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3257
8322 d9bc33166361 Do not set timers after the connection is closed. Vladimir Homutov <vl@nginx.com> parents: 8321 diff changeset	3258 if (!qc->send_timer_set && !qc->closing) {
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	3259 qc->send_timer_set = 1;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	3260 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	3261 }
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	3262
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	3263 if (!qc->retransmit.timer_set && !qc->closing) {
8431 70335ec6e5d4 Increased default initial retransmit timeout. Vladimir Homutov <vl@nginx.com> parents: 8430 diff changeset	3264 ngx_add_timer(&qc->retransmit,
70335ec6e5d4 Increased default initial retransmit timeout. Vladimir Homutov <vl@nginx.com> parents: 8430 diff changeset	3265 qc->ctp.max_ack_delay + NGX_QUIC_HARDCODED_PTO);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3266 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3267
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3268 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3269 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3270
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3271
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3272 static ngx_int_t
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3273 ngx_quic_output_frames(ngx_connection_t c, ngx_quic_send_ctx_t ctx)
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3274 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3275 size_t len, hlen, n;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3276 ngx_int_t rc;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3277 ngx_uint_t need_ack;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3278 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3279 ngx_quic_frame_t *f;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3280 ngx_quic_congestion_t *cg;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3281 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3282
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3283 qc = c->quic;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3284 cg = &qc->congestion;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3285
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3286 if (ngx_queue_empty(&ctx->frames)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3287 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3288 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3289
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3290 q = ngx_queue_head(&ctx->frames);
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3291 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3292
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3293 /* all frames in same send_ctx share same level */
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3294 hlen = (f->level == ssl_encryption_application) ? NGX_QUIC_MAX_SHORT_HEADER
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3295 : NGX_QUIC_MAX_LONG_HEADER;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3296 hlen += EVP_GCM_TLS_TAG_LEN;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3297
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3298 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3299 len = 0;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3300 need_ack = 0;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3301 ngx_queue_init(&range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3302
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3303 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3304 /* process group of frames that fits into packet */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3305 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3306
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3307 n = ngx_quic_create_frame(NULL, f);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3308
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	3309 if (len && hlen + len + n > qc->ctp.max_udp_payload_size) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3310 break;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3311 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3312
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3313 if (f->need_ack) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3314 need_ack = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3315 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3316
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3317 if (need_ack && cg->in_flight + len + n > cg->window) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3318 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3319 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3320
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3321 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3322
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3323 f->first = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3324
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3325 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3326 ngx_queue_insert_tail(&range, &f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3327
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3328 len += n;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3329
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3330 } while (q != ngx_queue_sentinel(&ctx->frames));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3331
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3332 if (ngx_queue_empty(&range)) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3333 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3334 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3335
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3336 rc = ngx_quic_send_frames(c, &range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3337
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3338 if (rc == NGX_OK) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3339 /*
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3340 * frames are moved into the sent queue
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3341 * to wait for ack/be retransmitted
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3342 */
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3343 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3344 /* if we are closing, any ack will be discarded */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3345 ngx_quic_free_frames(c, &range);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3346
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3347 } else {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3348 ngx_queue_add(&ctx->sent, &range);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3349 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3350
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3351 cg->in_flight += len;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3352
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3353 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3354 "quic congestion send if:%uz", cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3355
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3356 } else if (rc == NGX_DONE) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3357
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3358 /* no ack is expected for this frames, can free them */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3359 ngx_quic_free_frames(c, &range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3360
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3361 } else {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3362 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3363 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3364
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3365 } while (q != ngx_queue_sentinel(&ctx->frames));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3366
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3367 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3368 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3369
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3370
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3371 static void
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3372 ngx_quic_free_frames(ngx_connection_t c, ngx_queue_t frames)
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3373 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3374 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3375 ngx_quic_frame_t *f;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3376
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3377 do {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3378 q = ngx_queue_head(frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3379
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3380 if (q == ngx_queue_sentinel(frames)) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3381 break;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3382 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3383
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3384 ngx_queue_remove(q);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3385
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3386 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3387
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3388 ngx_quic_free_frame(c, f);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3389 } while (1);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3390 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3391
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3392
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3393 static ngx_int_t
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3394 ngx_quic_send_frames(ngx_connection_t c, ngx_queue_t frames)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3395 {
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3396 ssize_t len;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3397 u_char *p;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3398 ngx_msec_t now;
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3399 ngx_str_t out, res;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3400 ngx_queue_t *q;
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3401 ngx_ssl_conn_t *ssl_conn;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3402 ngx_quic_frame_t f, start;
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3403 ngx_quic_header_t pkt;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3404 ngx_quic_secrets_t *keys;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3405 ngx_quic_send_ctx_t *ctx;
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3406 ngx_quic_connection_t *qc;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3407 static ngx_str_t initial_token = ngx_null_string;
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	3408 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	3409 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3410
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3411 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3412 "quic ngx_quic_send_frames");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3413
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3414 ssl_conn = c->ssl ? c->ssl->connection : NULL;
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3415
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3416 q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3417 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3418
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3419 ctx = ngx_quic_get_send_ctx(c->quic, start->level);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3420
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3421 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3422
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3423 now = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3424
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3425 p = src;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3426 out.data = src;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3427
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3428 for (q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3429 q != ngx_queue_sentinel(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3430 q = ngx_queue_next(q))
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3431 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3432 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3433
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3434 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3435 "quic frame out: %s", f->info);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3436
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3437 len = ngx_quic_create_frame(p, f);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3438 if (len == -1) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3439 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3440 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3441
8312 053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	3442 if (f->need_ack) {
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	3443 pkt.need_ack = 1;
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	3444 }
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	3445
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3446 p += len;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3447 f->pnum = ctx->pnum;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3448 f->last = now;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3449 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3450
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3451 out.len = p - out.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3452
8301 c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3453 while (out.len < 4) {
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3454 *p++ = NGX_QUIC_FT_PADDING;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3455 out.len++;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3456 }
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3457
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3458 qc = c->quic;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3459
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3460 keys = &c->quic->keys[start->level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3461
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3462 pkt.secret = &keys->server;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3463
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3464 pkt.flags = NGX_QUIC_PKT_FIXED_BIT;
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3465
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3466 if (start->level == ssl_encryption_initial) {
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3467 pkt.flags \|= NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_INITIAL;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3468 pkt.token = initial_token;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3469
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3470 } else if (start->level == ssl_encryption_handshake) {
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3471 pkt.flags \|= NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_HANDSHAKE;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3472
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3473 } else {
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3474 if (c->quic->key_phase) {
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3475 pkt.flags \|= NGX_QUIC_PKT_KPHASE;
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3476 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3477 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3478
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3479 ngx_quic_set_packet_number(&pkt, ctx);
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3480
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3481 pkt.log = c->log;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3482 pkt.level = start->level;
8344 e0abe17a2878 Removed source/destination swap from the function creating header. Vladimir Homutov <vl@nginx.com> parents: 8343 diff changeset	3483 pkt.dcid = qc->scid;
e0abe17a2878 Removed source/destination swap from the function creating header. Vladimir Homutov <vl@nginx.com> parents: 8343 diff changeset	3484 pkt.scid = qc->dcid;
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3485 pkt.payload = out;
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8284 diff changeset	3486
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3487 res.data = dst;
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8284 diff changeset	3488
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3489 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3490 "quic packet ready: %ui bytes at level %d"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3491 " need_ack: %d number: %L encoded %d:0x%xD",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3492 out.len, start->level, pkt.need_ack, pkt.number,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3493 pkt.num_len, pkt.trunc);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3494
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3495 if (ngx_quic_encrypt(&pkt, ssl_conn, &res) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3496 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3497 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3498
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3499 #ifdef NGX_QUIC_DEBUG_PACKETS
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	3500 ngx_quic_hexdump(c->log, "quic packet to send", res.data, res.len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3501 #endif
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3502
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3503 len = c->send(c, res.data, res.len);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3504 if (len == NGX_ERROR \|\| (size_t) len != res.len) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3505 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3506 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3507
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3508 /* len == NGX_OK \|\| NGX_AGAIN */
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3509 ctx->pnum++;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3510
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3511 return pkt.need_ack ? NGX_OK : NGX_DONE;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3512 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3513
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3514
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3515 static void
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3516 ngx_quic_set_packet_number(ngx_quic_header_t pkt, ngx_quic_send_ctx_t ctx)
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3517 {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3518 uint64_t delta;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3519
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3520 delta = ctx->pnum - ctx->largest_ack;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3521 pkt->number = ctx->pnum;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3522
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3523 if (delta <= 0x7F) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3524 pkt->num_len = 1;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3525 pkt->trunc = ctx->pnum & 0xff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3526
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3527 } else if (delta <= 0x7FFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3528 pkt->num_len = 2;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3529 pkt->flags \|= 0x1;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3530 pkt->trunc = ctx->pnum & 0xffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3531
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3532 } else if (delta <= 0x7FFFFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3533 pkt->num_len = 3;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3534 pkt->flags \|= 0x2;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3535 pkt->trunc = ctx->pnum & 0xffffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3536
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3537 } else {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3538 pkt->num_len = 4;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3539 pkt->flags \|= 0x3;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3540 pkt->trunc = ctx->pnum & 0xffffffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3541 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3542 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3543
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3544
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3545 static void
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3546 ngx_quic_retransmit_handler(ngx_event_t *ev)
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3547 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3548 ngx_uint_t i;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3549 ngx_msec_t wait, nswait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3550 ngx_connection_t *c;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3551 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3552
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3553 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3554 "quic retransmit timer");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3555
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3556 c = ev->data;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3557 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3558
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3559 wait = 0;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3560
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3561 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3562 if (ngx_quic_retransmit(c, &qc->send_ctx[i], &nswait) != NGX_OK) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3563 ngx_quic_close_connection(c, NGX_ERROR);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3564 return;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3565 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3566
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3567 if (i == 0) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3568 wait = nswait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3569
8392 5ffb21c5c93d Fixed frame retransmissions. Vladimir Homutov <vl@nginx.com> parents: 8388 diff changeset	3570 } else if (nswait > 0 && (wait == 0 \|\| wait > nswait)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3571 wait = nswait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3572 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3573 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3574
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3575 if (wait > 0) {
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	3576 ngx_add_timer(&qc->retransmit, wait);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3577 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3578 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3579
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3580
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3581 static void
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3582 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3583 {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3584 ngx_connection_t *c;
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3585
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3586 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic push timer");
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3587
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3588 c = ev->data;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3589
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3590 if (ngx_quic_output(c) != NGX_OK) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3591 ngx_quic_close_connection(c, NGX_ERROR);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3592 return;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3593 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3594 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3595
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3596
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3597 static ngx_int_t
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3598 ngx_quic_retransmit(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3599 ngx_msec_t *waitp)
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3600 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3601 uint64_t pn;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3602 ngx_msec_t now, wait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3603 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3604 ngx_quic_frame_t f, start;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3605 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3606
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3607 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3608
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3609 now = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3610
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3611 if (ngx_queue_empty(&ctx->sent)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3612 *waitp = 0;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3613 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3614 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3615
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3616 q = ngx_queue_head(&ctx->sent);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3617
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3618 do {
8363 d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3619 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3620
8431 70335ec6e5d4 Increased default initial retransmit timeout. Vladimir Homutov <vl@nginx.com> parents: 8430 diff changeset	3621 wait = start->last + qc->ctp.max_ack_delay
70335ec6e5d4 Increased default initial retransmit timeout. Vladimir Homutov <vl@nginx.com> parents: 8430 diff changeset	3622 + NGX_QUIC_HARDCODED_PTO - now;
8363 d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3623
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3624 if ((ngx_msec_int_t) wait > 0) {
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3625 break;
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3626 }
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3627
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3628 pn = start->pnum;
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3629
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3630 ngx_queue_init(&range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3631
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3632 /* send frames with same packet number to the wire */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3633 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3634 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3635
8388 a9cc1627cf1c Fixed time comparison. Vladimir Homutov <vl@nginx.com> parents: 8387 diff changeset	3636 if (now - start->first > qc->tp.max_idle_timeout) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3637 ngx_log_error(NGX_LOG_ERR, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	3638 "quic retransmission timeout");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3639 return NGX_DECLINED;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3640 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3641
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3642 if (f->pnum != pn) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3643 break;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3644 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3645
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3646 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3647
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3648 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3649 ngx_queue_insert_tail(&range, &f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3650
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3651 } while (q != ngx_queue_sentinel(&ctx->sent));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3652
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3653 ngx_quic_congestion_lost(c, start->last);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3654
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3655 /* NGX_DONE is impossible here, such frames don't get into this queue */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3656 if (ngx_quic_send_frames(c, &range) != NGX_OK) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3657 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3658 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3659
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3660 /* move frames group to the end of queue */
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3661 ngx_queue_add(&ctx->sent, &range);
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3662
8431 70335ec6e5d4 Increased default initial retransmit timeout. Vladimir Homutov <vl@nginx.com> parents: 8430 diff changeset	3663 wait = qc->ctp.max_ack_delay + NGX_QUIC_HARDCODED_PTO;
8392 5ffb21c5c93d Fixed frame retransmissions. Vladimir Homutov <vl@nginx.com> parents: 8388 diff changeset	3664
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3665 } while (q != ngx_queue_sentinel(&ctx->sent));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3666
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3667 *waitp = wait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3668
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3669 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3670 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3671
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3672
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3673 ngx_connection_t *
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3674 ngx_quic_create_uni_stream(ngx_connection_t *c)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3675 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3676 ngx_uint_t id;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3677 ngx_quic_stream_t qs, sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3678 ngx_quic_connection_t *qc;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3679
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3680 qs = c->qs;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3681 qc = qs->parent->quic;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3682
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3683 id = (qc->streams.id_counter << 2)
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3684 \| NGX_QUIC_STREAM_SERVER_INITIATED
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3685 \| NGX_QUIC_STREAM_UNIDIRECTIONAL;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3686
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3687 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3688 "quic creating server uni stream #%ui id %ui",
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3689 qc->streams.id_counter, id);
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3690
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3691 qc->streams.id_counter++;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3692
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3693 sn = ngx_quic_create_stream(qs->parent, id, 0);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3694 if (sn == NULL) {
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3695 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3696 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3697
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3698 return sn->c;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3699 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3700
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3701
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3702 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3703 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3704 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3705 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3706 ngx_rbtree_node_t **p;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3707 ngx_quic_stream_t qn, qnt;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3708
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3709 for ( ;; ) {
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3710 qn = (ngx_quic_stream_t *) node;
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3711 qnt = (ngx_quic_stream_t *) temp;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3712
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3713 p = (qn->id < qnt->id) ? &temp->left : &temp->right;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3714
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3715 if (*p == sentinel) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3716 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3717 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3718
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3719 temp = *p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3720 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3721
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3722 *p = node;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3723 node->parent = temp;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3724 node->left = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3725 node->right = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3726 ngx_rbt_red(node);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3727 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3728
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3729
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3730 static ngx_quic_stream_t *
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3731 ngx_quic_find_stream(ngx_rbtree_t *rbtree, uint64_t id)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3732 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3733 ngx_rbtree_node_t node, sentinel;
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3734 ngx_quic_stream_t *qn;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3735
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3736 node = rbtree->root;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3737 sentinel = rbtree->sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3738
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3739 while (node != sentinel) {
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3740 qn = (ngx_quic_stream_t *) node;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3741
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3742 if (id == qn->id) {
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3743 return qn;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3744 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3745
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3746 node = (id < qn->id) ? node->left : node->right;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3747 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3748
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3749 return NULL;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3750 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3751
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3752
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3753 static ngx_quic_stream_t *
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3754 ngx_quic_create_stream(ngx_connection_t *c, uint64_t id, size_t rcvbuf_size)
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3755 {
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3756 ngx_log_t *log;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3757 ngx_pool_t *pool;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3758 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3759 ngx_pool_cleanup_t *cln;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3760 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3761
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3762 qc = c->quic;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3763
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3764 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3765 if (pool == NULL) {
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3766 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3767 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3768
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3769 sn = ngx_pcalloc(pool, sizeof(ngx_quic_stream_t));
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3770 if (sn == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3771 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3772 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3773 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3774
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3775 sn->node.key = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3776 sn->parent = c;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3777 sn->id = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3778
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3779 sn->b = ngx_create_temp_buf(pool, rcvbuf_size);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3780 if (sn->b == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3781 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3782 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3783 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3784
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3785 ngx_queue_init(&sn->fs.frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3786
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3787 log = ngx_palloc(pool, sizeof(ngx_log_t));
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3788 if (log == NULL) {
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3789 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3790 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3791 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3792
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3793 log = c->log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3794 pool->log = log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3795
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3796 sn->c = ngx_get_connection(-1, log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3797 if (sn->c == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3798 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3799 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3800 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3801
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3802 sn->c->qs = sn;
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3803 sn->c->pool = pool;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3804 sn->c->ssl = c->ssl;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3805 sn->c->sockaddr = c->sockaddr;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3806 sn->c->listening = c->listening;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3807 sn->c->addr_text = c->addr_text;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3808 sn->c->local_sockaddr = c->local_sockaddr;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3809 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3810
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3811 sn->c->recv = ngx_quic_stream_recv;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3812 sn->c->send = ngx_quic_stream_send;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3813 sn->c->send_chain = ngx_quic_stream_send_chain;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3814
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3815 sn->c->read->log = c->log;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3816 sn->c->write->log = c->log;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3817
8362 44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 8361 diff changeset	3818 log->connection = sn->c->number;
44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 8361 diff changeset	3819
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3820 if ((id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3821 \|\| (id & NGX_QUIC_STREAM_SERVER_INITIATED))
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3822 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3823 sn->c->write->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3824 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3825
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3826 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3827 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3828 sn->send_max_data = qc->ctp.initial_max_stream_data_uni;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3829 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3830
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3831 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3832 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3833 sn->send_max_data = qc->ctp.initial_max_stream_data_bidi_remote;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3834 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3835 sn->send_max_data = qc->ctp.initial_max_stream_data_bidi_local;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3836 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3837 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3838
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3839 cln = ngx_pool_cleanup_add(pool, 0);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3840 if (cln == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3841 ngx_close_connection(sn->c);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3842 ngx_destroy_pool(pool);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3843 return NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3844 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3845
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3846 cln->handler = ngx_quic_stream_cleanup_handler;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3847 cln->data = sn->c;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3848
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3849 ngx_rbtree_insert(&c->quic->streams.tree, &sn->node);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3850
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3851 return sn;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3852 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3853
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3854
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3855 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3856 ngx_quic_stream_recv(ngx_connection_t c, u_char buf, size_t size)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3857 {
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3858 ssize_t len;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3859 ngx_buf_t *b;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3860 ngx_event_t *rev;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3861 ngx_connection_t *pc;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3862 ngx_quic_frame_t *frame;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3863 ngx_quic_stream_t *qs;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3864 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3865
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3866 qs = c->qs;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3867 b = qs->b;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3868 pc = qs->parent;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3869 qc = pc->quic;
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3870 rev = c->read;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3871
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3872 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3873 "quic stream id 0x%xi recv: eof:%d, avail:%z",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3874 qs->id, rev->pending_eof, b->last - b->pos);
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3875
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3876 if (b->pos == b->last) {
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3877 rev->ready = 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3878
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3879 if (rev->pending_eof) {
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3880 rev->eof = 1;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3881 return 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3882 }
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3883
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3884 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3885 "quic stream id 0x%xi recv() not ready", qs->id);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3886 return NGX_AGAIN;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3887 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3888
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3889 len = ngx_min(b->last - b->pos, (ssize_t) size);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3890
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3891 ngx_memcpy(buf, b->pos, len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3892
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3893 b->pos += len;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3894 qc->streams.received += len;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3895
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3896 if (b->pos == b->last) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3897 b->pos = b->start;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3898 b->last = b->start;
8294 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3899 rev->ready = rev->pending_eof;
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3900 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3901
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3902 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3903 "quic stream id 0x%xi recv: %z of %uz", qs->id, len, size);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3904
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3905 if (!rev->pending_eof) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3906 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3907 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3908 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3909 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3910
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3911 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3912 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3913 frame->u.max_stream_data.id = qs->id;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3914 frame->u.max_stream_data.limit = qs->fs.received + (b->pos - b->start)
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3915 + (b->end - b->last);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3916
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3917 ngx_sprintf(frame->info, "MAX_STREAM_DATA id:%d limit:%d l=%d on recv",
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3918 (int) frame->u.max_stream_data.id,
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3919 (int) frame->u.max_stream_data.limit,
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3920 frame->level);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3921
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3922 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3923 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3924
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3925 if ((qc->streams.recv_max_data / 2) < qc->streams.received) {
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3926
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3927 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3928
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3929 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3930 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3931 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3932
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3933 qc->streams.recv_max_data *= 2;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3934
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3935 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3936 frame->type = NGX_QUIC_FT_MAX_DATA;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3937 frame->u.max_data.max_data = qc->streams.recv_max_data;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3938
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3939 ngx_sprintf(frame->info, "MAX_DATA max_data:%d level=%d on recv",
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3940 (int) frame->u.max_data.max_data, frame->level);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3941
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3942 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3943
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3944 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3945 "quic stream id 0x%xi recv: increased max data: %ui",
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3946 qs->id, qc->streams.recv_max_data);
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3947 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3948
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3949 return len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3950 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3951
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3952
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3953 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3954 ngx_quic_stream_send(ngx_connection_t c, u_char buf, size_t size)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3955 {
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3956 u_char p, end;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3957 size_t fsize, limit, n, len;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3958 uint64_t sent, unacked;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3959 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3960 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3961 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3962 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3963
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3964 qs = c->qs;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3965 pc = qs->parent;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3966 qc = pc->quic;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3967
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3968 if (qc->closing) {
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3969 return NGX_ERROR;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3970 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3971
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3972 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3973 "quic stream id 0x%xi send: %uz", qs->id, size);
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3974
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3975 /*
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3976 * we need to fit at least 1 frame into a packet, thus account head/tail;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3977 * 25 = 1 + 8x3 is max header for STREAM frame, with 1 byte for frame type
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3978 */
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	3979 limit = qc->ctp.max_udp_payload_size - NGX_QUIC_MAX_SHORT_HEADER - 25
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3980 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3981
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3982 len = size;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3983 sent = c->sent;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3984 unacked = sent - qs->acked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3985
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3986 if (qc->streams.send_max_data == 0) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3987 qc->streams.send_max_data = qc->ctp.initial_max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3988 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3989
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3990 if (unacked >= NGX_QUIC_STREAM_BUFSIZE) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3991 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3992 "quic send hit buffer size");
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3993 len = 0;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3994
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3995 } else if (unacked + len > NGX_QUIC_STREAM_BUFSIZE) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3996 len = NGX_QUIC_STREAM_BUFSIZE - unacked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3997 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3998
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3999 if (qc->streams.sent >= qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4000 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4001 "quic send hit MAX_DATA");
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4002 len = 0;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4003
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4004 } else if (qc->streams.sent + len > qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4005 len = qc->streams.send_max_data - qc->streams.sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4006 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4007
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4008 if (sent >= qs->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4009 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4010 "quic send hit MAX_STREAM_DATA");
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4011 len = 0;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4012
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4013 } else if (sent + len > qs->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4014 len = qs->send_max_data - sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4015 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4016
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4017 p = (u_char *) buf;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4018 end = (u_char *) buf + len;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4019 n = 0;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4020
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4021 while (p < end) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4022
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4023 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4024
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4025 frame = ngx_quic_alloc_frame(pc, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4026 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4027 return 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4028 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4029
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4030 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4031
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4032 frame->level = ssl_encryption_application;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4033 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4034 frame->u.stream.off = 1;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4035 frame->u.stream.len = 1;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4036 frame->u.stream.fin = 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4037
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4038 frame->u.stream.type = frame->type;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4039 frame->u.stream.stream_id = qs->id;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4040 frame->u.stream.offset = c->sent;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4041 frame->u.stream.length = fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4042 frame->u.stream.data = frame->data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4043
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4044 c->sent += fsize;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4045 qc->streams.sent += fsize;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4046 p += fsize;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4047 n += fsize;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4048
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4049 ngx_sprintf(frame->info, "stream 0x%xi len=%ui level=%d",
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4050 qs->id, fsize, frame->level);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4051
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4052 ngx_quic_queue_frame(qc, frame);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4053 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4054
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4055 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4056 "quic send %uz of %uz, sent:%O, unacked:%uL",
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4057 n, size, c->sent, (uint64_t) c->sent - qs->acked);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4058
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4059 if (n != size) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4060 c->write->ready = 0;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4061 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4062
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4063 if (n == 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4064 return NGX_AGAIN;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4065 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4066
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4067 return n;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4068 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4069
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4070
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4071 static void
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4072 ngx_quic_stream_cleanup_handler(void *data)
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4073 {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4074 ngx_connection_t *c = data;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4075
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4076 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4077 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4078 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4079 ngx_quic_connection_t *qc;
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4080
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4081 qs = c->qs;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4082 pc = qs->parent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4083 qc = pc->quic;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4084
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4085 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4086 "quic stream id 0x%xi cleanup", qs->id);
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	4087
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	4088 ngx_rbtree_delete(&qc->streams.tree, &qs->node);
8348 d42b50d239f4 Fixed memory leak with reordered stream frames. Vladimir Homutov <vl@nginx.com> parents: 8346 diff changeset	4089 ngx_quic_free_frames(pc, &qs->fs.frames);
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	4090
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	4091 if (qc->closing) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	4092 /* schedule handler call to continue ngx_quic_close_connection() */
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	4093 ngx_post_event(pc->read, &ngx_posted_events);
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	4094 return;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	4095 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	4096
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4097 if ((qs->id & 0x03) == NGX_QUIC_STREAM_UNIDIRECTIONAL) {
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4098 /* do not send fin for client unidirectional streams */
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4099 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4100 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4101
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4102 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4103 "quic stream id 0x%xi send fin", qs->id);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4104
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4105 frame = ngx_quic_alloc_frame(pc, 0);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4106 if (frame == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4107 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4108 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4109
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4110 frame->level = ssl_encryption_application;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4111 frame->type = NGX_QUIC_FT_STREAM7; /* OFF=1 LEN=1 FIN=1 */
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4112 frame->u.stream.off = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4113 frame->u.stream.len = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4114 frame->u.stream.fin = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4115
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4116 frame->u.stream.type = frame->type;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4117 frame->u.stream.stream_id = qs->id;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4118 frame->u.stream.offset = c->sent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4119 frame->u.stream.length = 0;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4120 frame->u.stream.data = NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4121
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4122 ngx_sprintf(frame->info, "stream 0x%xi fin=1 level=%d",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4123 qs->id, frame->level);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4124
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4125 ngx_quic_queue_frame(qc, frame);
8293 1ec905f4d851 Push QUIC stream frames in send() and cleanup handler. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	4126
1ec905f4d851 Push QUIC stream frames in send() and cleanup handler. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	4127 (void) ngx_quic_output(pc);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4128 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4129
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4130
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4131 static ngx_chain_t *
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4132 ngx_quic_stream_send_chain(ngx_connection_t c, ngx_chain_t in,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4133 off_t limit)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4134 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4135 size_t len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4136 ssize_t n;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4137 ngx_buf_t *b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4138
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4139 for ( /* void */; in; in = in->next) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4140 b = in->buf;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4141
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4142 if (!ngx_buf_in_memory(b)) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4143 continue;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4144 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4145
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4146 if (ngx_buf_size(b) == 0) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4147 continue;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4148 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4149
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4150 len = b->last - b->pos;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4151
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4152 n = ngx_quic_stream_send(c, b->pos, len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4153
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4154 if (n == NGX_ERROR) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4155 return NGX_CHAIN_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4156 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4157
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4158 if (n == NGX_AGAIN) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4159 return in;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4160 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4161
8350 47dac6e0521a Fixed QUIC buffer consumption in send_chain(). Roman Arutyunyan <arut@nginx.com> parents: 8348 diff changeset	4162 b->pos += n;
47dac6e0521a Fixed QUIC buffer consumption in send_chain(). Roman Arutyunyan <arut@nginx.com> parents: 8348 diff changeset	4163
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4164 if (n != (ssize_t) len) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4165 return in;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4166 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4167 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4168
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4169 return NULL;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4170 }
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4171
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4172
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4173 static ngx_quic_frame_t *
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4174 ngx_quic_alloc_frame(ngx_connection_t *c, size_t size)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4175 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4176 u_char *p;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4177 ngx_queue_t *q;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4178 ngx_quic_frame_t *frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4179 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4180
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4181 if (size) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4182 p = ngx_alloc(size, c->log);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4183 if (p == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4184 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4185 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4186
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4187 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4188 p = NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4189 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4190
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4191 qc = c->quic;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4192
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4193 if (!ngx_queue_empty(&qc->free_frames)) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4194
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4195 q = ngx_queue_head(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4196 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4197
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4198 ngx_queue_remove(&frame->queue);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4199
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4200 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4201 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4202 "quic reuse frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4203 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4204
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4205 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4206 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4207 if (frame == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4208 ngx_free(p);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4209 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4210 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4211
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4212 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4213 ++qc->nframes;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4214 #endif
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4215
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4216 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4217 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4218 "quic alloc frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4219 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4220 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4221
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4222 ngx_memzero(frame, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4223
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4224 frame->data = p;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4225
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4226 return frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4227 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4228
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4229
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4230 static void
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4231 ngx_quic_congestion_ack(ngx_connection_t c, ngx_quic_frame_t f)
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4232 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4233 ssize_t n;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4234 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4235 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4236 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4237
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4238 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4239 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4240
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4241 n = ngx_quic_create_frame(NULL, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4242
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4243 cg->in_flight -= n;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4244
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4245 timer = f->last - cg->recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4246
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4247 if ((ngx_msec_int_t) timer <= 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4248 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4249 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4250
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4251 if (cg->window < cg->ssthresh) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4252 cg->window += n;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4253
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4254 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4255 "quic congestion slow start win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4256 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4257
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4258 } else {
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	4259 cg->window += qc->tp.max_udp_payload_size * n / cg->window;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4260
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4261 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4262 "quic congestion avoidance win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4263 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4264 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4265
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4266 /* prevent recovery_start from wrapping */
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4267
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4268 timer = cg->recovery_start - ngx_current_msec + qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4269
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4270 if ((ngx_msec_int_t) timer < 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4271 cg->recovery_start = ngx_current_msec - qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4272 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4273 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4274
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4275
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4276 static void
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4277 ngx_quic_congestion_lost(ngx_connection_t *c, ngx_msec_t sent)
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4278 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4279 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4280 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4281 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4282
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4283 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4284 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4285
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4286 timer = sent - cg->recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4287
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4288 if ((ngx_msec_int_t) timer <= 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4289 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4290 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4291
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4292 cg->recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4293 cg->window /= 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4294
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	4295 if (cg->window < qc->tp.max_udp_payload_size * 2) {
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	4296 cg->window = qc->tp.max_udp_payload_size * 2;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4297 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4298
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4299 cg->ssthresh = cg->window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4300
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4301 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4302 "quic congestion lost win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4303 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4304 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4305
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4306
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4307 static void
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4308 ngx_quic_free_frame(ngx_connection_t c, ngx_quic_frame_t frame)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4309 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4310 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4311
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4312 qc = c->quic;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4313
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4314 if (frame->data) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4315 ngx_free(frame->data);
8394 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 8393 diff changeset	4316 frame->data = NULL;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4317 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4318
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4319 ngx_queue_insert_head(&qc->free_frames, &frame->queue);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4320
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4321 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4322 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4323 "quic free frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4324 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4325 }

Mercurial > hg > nginx

annotate src/event/ngx_event_quic.c @ 8471:9ed4c12ec948 quic