nginx: src/event/ngx_event

annotate src/event/ngx_event_quic.c @ 8531:4ff2a0b747d1 quic

QUIC: handle PATH_CHALLENGE frame. A PATH_RESPONSE frame with the same data is sent in response.

author	Roman Arutyunyan <arut@nginx.com>
date	Fri, 28 Aug 2020 12:01:35 +0300
parents	f882b1784f30
children	62b58f0a4711

rev	line source
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2 /*
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	3 * Copyright (C) Nginx, Inc.
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	4 */
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	5
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	6
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	7 #include <ngx_config.h>
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	8 #include <ngx_core.h>
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	9 #include <ngx_event.h>
8486 d0ac4449a07f QUIC: fixed bulding perl module by reducing header pollution. Sergey Kandaurov <pluknet@nginx.com> parents: 8483 diff changeset	10 #include <ngx_event_quic_transport.h>
d0ac4449a07f QUIC: fixed bulding perl module by reducing header pollution. Sergey Kandaurov <pluknet@nginx.com> parents: 8483 diff changeset	11 #include <ngx_event_quic_protection.h>
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	12
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	13
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	14 /* 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	15 * so we have 3 packet number spaces:
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	16 *
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	17 * 0 - Initial
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	18 * 1 - Handshake
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	19 * 2 - 0-RTT and 1-RTT
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	20 */
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	21 #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	22 ((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	23 : (((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	24 : &((qc)->send_ctx[2]))
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	25
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	26 #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	27
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	28 #define NGX_QUIC_STREAMS_INC 16
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	29 #define NGX_QUIC_STREAMS_LIMIT (1ULL < 60)
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	30
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	31 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	32 * 7.4. Cryptographic Message Buffering
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	33 * Implementations MUST support buffering at least 4096 bytes of data
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	34 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	35 #define NGX_QUIC_MAX_BUFFERED 65535
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	36
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	37 #define NGX_QUIC_STREAM_GONE (void *) -1
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	38
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	39
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	40 typedef struct {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	41 ngx_rbtree_t tree;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	42 ngx_rbtree_node_t sentinel;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	43
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	44 uint64_t received;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	45 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	46 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	47 uint64_t send_max_data;
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	48
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	49 uint64_t server_max_streams_uni;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	50 uint64_t server_max_streams_bidi;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	51 uint64_t server_streams_uni;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	52 uint64_t server_streams_bidi;
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	53
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	54 uint64_t client_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	55 uint64_t client_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	56 uint64_t client_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	57 uint64_t client_streams_bidi;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	58 } ngx_quic_streams_t;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	59
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	60
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	61 typedef struct {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	62 size_t in_flight;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	63 size_t window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	64 size_t ssthresh;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	65 ngx_msec_t recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	66 } ngx_quic_congestion_t;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	67
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	68
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	69 /*
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	70 * 12.3. Packet Numbers
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	71 *
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	72 * 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	73 * 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	74 * 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	75 * are also Initial packets.
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	76 */
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	77 typedef struct {
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	78 ngx_quic_secret_t client_secret;
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	79 ngx_quic_secret_t server_secret;
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	80
8401 d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	81 uint64_t pnum; /* to be sent */
d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	82 uint64_t largest_ack; /* received from peer */
d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	83 uint64_t largest_pn; /* received from peer */
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	84
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	85 ngx_queue_t frames;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	86 ngx_queue_t sent;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	87 } ngx_quic_send_ctx_t;
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	88
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	89
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	90 struct ngx_quic_connection_s {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	91 ngx_str_t scid;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	92 ngx_str_t dcid;
8381 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	93 ngx_str_t odcid;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	94 ngx_str_t token;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	95
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	96 ngx_uint_t client_tp_done;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	97 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	98 ngx_quic_tp_t ctp;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	99
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	100 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	101 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	102 ngx_quic_secrets_t next_key;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	103 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	104
8481 0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	105 ngx_quic_conf_t *conf;
0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	106
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	107 ngx_ssl_t *ssl;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	108
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	109 ngx_event_t push;
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	110 ngx_event_t pto;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	111 ngx_event_t close;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	112 ngx_queue_t free_frames;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	113 ngx_msec_t last_cc;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	114
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	115 ngx_msec_t latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	116 ngx_msec_t avg_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	117 ngx_msec_t min_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	118 ngx_msec_t rttvar;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	119
8518 f9b1a4e52597 QUIC: changed c->quic->pto_count type to ngx_uint_t. Sergey Kandaurov <pluknet@nginx.com> parents: 8517 diff changeset	120 ngx_uint_t pto_count;
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	121
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	122 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	123 ngx_uint_t nframes;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	124 #endif
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	125
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	126 ngx_quic_streams_t streams;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	127 ngx_quic_congestion_t congestion;
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	128 size_t received;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	129
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	130 ngx_uint_t error;
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	131 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	132 ngx_uint_t error_ftype;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	133 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	134
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	135 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	136 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	137 unsigned closing:1;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	138 unsigned draining:1;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	139 unsigned key_phase:1;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	140 unsigned in_retry:1;
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	141 unsigned initialized:1;
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	142 unsigned validated:1;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	143 };
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	144
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	145
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	146 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	147 ngx_quic_frame_t frame, void data);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	148
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	149
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	150 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	151 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	152 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	153 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	154 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	155 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	156 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	157 #else
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	158 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	159 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	160 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	161 #endif
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	162
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	163 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	164 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	165 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	166 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	167 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	168
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	169
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	170 static ngx_int_t ngx_quic_new_connection(ngx_connection_t c, ngx_ssl_t ssl,
8483 2da9c4fddd44 QUIC: eliminated connection handler argument in ngx_quic_run(). Roman Arutyunyan <arut@nginx.com> parents: 8482 diff changeset	171 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	172 static ngx_int_t ngx_quic_negotiate_version(ngx_connection_t *c,
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	173 ngx_quic_header_t *inpkt);
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	174 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	175 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	176 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	177 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	178 ngx_quic_header_t *pkt);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	179 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	180 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	181 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	182
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	183 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	184 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	185 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	186 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	187 ngx_quic_connection_t *qc);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	188
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	189 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	190 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	191 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	192 ngx_quic_header_t *pkt);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	193 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	194 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	195 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	196 ngx_quic_header_t *pkt);
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	197 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	198 ngx_quic_header_t *pkt);
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	199 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	200 ngx_quic_header_t *pkt);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	201 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	202 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	203 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	204 ngx_quic_header_t *pkt);
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	205 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	206 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	207 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	208 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	209 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	210
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	211 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	212 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	213 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	214 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	215 ngx_msec_t *send_time);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	216 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	217 enum ssl_encryption_level_t level, ngx_msec_t send_time);
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	218 static ngx_inline ngx_msec_t ngx_quic_pto(ngx_connection_t *c,
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	219 ngx_quic_send_ctx_t *ctx);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	220 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	221 ngx_quic_frame_t *f);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	222
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	223 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	224 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	225 ngx_quic_frame_handler_pt handler, void *data);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	226 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	227 ngx_quic_frame_t *f, uint64_t offset_in);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	228 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	229 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	230
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	231 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	232 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	233 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	234 ngx_quic_frame_t frame, void data);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	235 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	236 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	237 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	238 ngx_quic_frame_t frame, void data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	239
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	240 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	241 ngx_quic_max_data_frame_t *f);
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	242 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	243 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	244 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	245 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	246 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	247 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	248 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	249 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	250 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	251 ngx_quic_header_t pkt, ngx_quic_stop_sending_frame_t f);
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	252 static ngx_int_t ngx_quic_handle_max_streams_frame(ngx_connection_t *c,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	253 ngx_quic_header_t pkt, ngx_quic_max_streams_frame_t f);
8531 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	254 static ngx_int_t ngx_quic_handle_path_challenge_frame(ngx_connection_t *c,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	255 ngx_quic_header_t pkt, ngx_quic_path_challenge_frame_t f);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	256
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	257 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	258 ngx_quic_frame_t *frame);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	259
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	260 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	261 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	262 ngx_quic_send_ctx_t *ctx);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	263 static void ngx_quic_free_frames(ngx_connection_t c, ngx_queue_t frames);
8473 1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	264 static ngx_int_t ngx_quic_send_frames(ngx_connection_t *c,
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	265 ngx_quic_send_ctx_t ctx, ngx_queue_t frames);
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	266
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	267 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	268 ngx_quic_send_ctx_t *ctx);
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	269 static void ngx_quic_pto_handler(ngx_event_t *ev);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	270 static void ngx_quic_lost_handler(ngx_event_t *ev);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	271 static ngx_int_t ngx_quic_detect_lost(ngx_connection_t *c);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	272 static ngx_int_t ngx_quic_resend_frames(ngx_connection_t *c,
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	273 ngx_quic_send_ctx_t ctx, ngx_quic_frame_t start);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	274 static void ngx_quic_push_handler(ngx_event_t *ev);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	275
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	276 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	277 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	278 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	279 uint64_t id);
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	280 static ngx_quic_stream_t ngx_quic_create_client_stream(ngx_connection_t c,
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	281 uint64_t id);
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	282 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	283 uint64_t id, size_t rcvbuf_size);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	284 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	285 size_t size);
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	286 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	287 size_t size);
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	288 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	289 ngx_chain_t *in, off_t limit);
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	290 static size_t ngx_quic_max_stream_frame(ngx_quic_connection_t *qc);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	291 static size_t ngx_quic_max_stream_flow(ngx_connection_t *c);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	292 static void ngx_quic_stream_cleanup_handler(void *data);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	293 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	294 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	295
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	296 static void ngx_quic_congestion_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	297 ngx_quic_frame_t *frame);
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	298 static void ngx_quic_congestion_lost(ngx_connection_t *c,
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	299 ngx_quic_frame_t *frame);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	300
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	301
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	302 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	303 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	304 ngx_quic_set_read_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	305 ngx_quic_set_write_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	306 #else
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	307 ngx_quic_set_encryption_secrets,
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	308 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	309 ngx_quic_add_handshake_data,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	310 ngx_quic_flush_flight,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	311 ngx_quic_send_alert,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	312 };
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	313
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	314
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	315 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	316
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	317 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	318 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	319 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	320 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	321 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	322 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	323 ngx_quic_secrets_t *keys;
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	324
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	325 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	326
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	327 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	328 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	329 "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	330 ngx_quic_hexdump(c->log, "quic read secret", rsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	331 #endif
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	332
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	333 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	334
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	335 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	336 rsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	337 &keys->client);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	338 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	339
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	340
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	341 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	342 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	343 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	344 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	345 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	346 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	347 ngx_quic_secrets_t *keys;
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	348
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	349 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	350
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	351 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	352 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	353 "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	354 ngx_quic_hexdump(c->log, "quic write secret", wsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	355 #endif
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	356
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	357 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	358
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	359 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	360 wsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	361 &keys->server);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	362 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	363
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	364 #else
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	365
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	366 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	367 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	368 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	369 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	370 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	371 ngx_int_t rc;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	372 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	373 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	374
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	375 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	376
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	377 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	378 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	379 "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	380 ngx_quic_hexdump(c->log, "quic read", rsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	381 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	382
8327 0ae50d90658a Fixed build with OpenSSL using old callbacks API. Sergey Kandaurov <pluknet@nginx.com> parents: 8326 diff changeset	383 keys = &c->quic->keys[level];
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	384
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	385 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	386 rsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	387 &keys->client);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	388 if (rc != 1) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	389 return rc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	390 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	391
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	392 if (level == ssl_encryption_early_data) {
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	393 return 1;
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	394 }
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	395
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	396 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	397 ngx_quic_hexdump(c->log, "quic write", wsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	398 #endif
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	399
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	400 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	401 wsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	402 &keys->server);
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	403 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	404
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	405 #endif
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	406
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	407
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	408 static int
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	409 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	410 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	411 {
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	412 u_char p, end;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	413 size_t client_params_len, fsize, limit;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	414 const uint8_t *client_params;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	415 ngx_quic_frame_t *frame;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	416 ngx_connection_t *c;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	417 ngx_quic_connection_t *qc;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	418 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	419
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	420 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	421 qc = c->quic;
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	422
8186 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 8185 diff changeset	423 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	424 "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	425
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	426 if (!qc->client_tp_done) {
8438 a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	427 /*
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	428 * things to do once during handshake: check ALPN and transport
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	429 * parameters; we want to break handshake if something is wrong
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	430 * here;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	431 */
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	432
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	433 #if defined(TLSEXT_TYPE_application_layer_protocol_negotiation)
8482 893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	434 if (qc->conf->require_alpn) {
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	435 unsigned int len;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	436 const unsigned char *data;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	437
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	438 SSL_get0_alpn_selected(c->ssl->connection, &data, &len);
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	439
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	440 if (len == 0) {
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	441 qc->error = 0x100 + SSL_AD_NO_APPLICATION_PROTOCOL;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	442 qc->error_reason = "unsupported protocol in ALPN extension";
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	443
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	444 ngx_log_error(NGX_LOG_INFO, c->log, 0,
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	445 "quic unsupported protocol in ALPN extension");
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	446 return 0;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	447 }
8438 a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	448 }
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	449 #endif
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	450
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	451 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	452 &client_params_len);
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	453
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	454 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	455 "quic SSL_get_peer_quic_transport_params():"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	456 " params_len %ui", client_params_len);
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	457
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	458 if (client_params_len == 0) {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	459 /* 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	460 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	461 qc->error_reason = "missing transport parameters";
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 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	464 "missing transport parameters");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	465 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	466 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	467
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	468 p = (u_char *) client_params;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	469 end = p + client_params_len;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	470
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	471 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	472 != NGX_OK)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	473 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	474 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	475 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	476
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	477 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	478 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	479
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	480 if (qc->ctp.max_idle_timeout > 0
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	481 && 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	482 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	483 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	484 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	485
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	486 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	487 \|\| 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	488 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	489 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	490 qc->error_reason = "invalid maximum packet size";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	491
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	492 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	493 "quic maximum packet size is invalid");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	494 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	495 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	496
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	497 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	498 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	499 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	500 "quic client maximum packet size truncated");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	501 }
8432 391d06a51bc0 Limited max udp payload size for outgoing packets. Vladimir Homutov <vl@nginx.com> parents: 8431 diff changeset	502
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	503 #if (NGX_QUIC_DRAFT_VERSION >= 28)
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	504 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	505 \|\| 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	506 qc->scid.len) != 0)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	507 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	508 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	509 "quic client initial_source_connection_id "
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	510 "mismatch");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	511 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	512 }
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	513 #endif
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	514
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	515 qc->streams.server_max_streams_bidi = qc->ctp.initial_max_streams_bidi;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	516 qc->streams.server_max_streams_uni = qc->ctp.initial_max_streams_uni;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	517
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	518 qc->client_tp_done = 1;
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	519 }
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	520
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	521 /*
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	522 * 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	523 * 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	524 */
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	525 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	526 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	527
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	528 fs = &qc->crypto[level];
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	529
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	530 p = (u_char *) data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	531 end = (u_char *) data + len;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	532
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	533 while (p < end) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	534
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	535 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	536
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	537 frame = ngx_quic_alloc_frame(c, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	538 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	539 return 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	540 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	541
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	542 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	543
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	544 frame->level = level;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	545 frame->type = NGX_QUIC_FT_CRYPTO;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	546 frame->u.crypto.offset = fs->sent;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	547 frame->u.crypto.length = fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	548 frame->u.crypto.data = frame->data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	549
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	550 fs->sent += fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	551 p += fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	552
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	553 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	554 fsize, level);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	555
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	556 ngx_quic_queue_frame(qc, frame);
8186 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 8185 diff changeset	557 }
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	558
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	559 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	560 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	561
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	562
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	563 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	564 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	565 {
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	566 #if (NGX_DEBUG)
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	567 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	568
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	569 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	570
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	571 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	572 "quic ngx_quic_flush_flight()");
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	573 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	574 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	575 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	576
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	577
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	578 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	579 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	580 uint8_t alert)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	581 {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	582 ngx_connection_t *c;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	583 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	584
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	585 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	586
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	587 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	588 "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	589 (int) level, (int) alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	590
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	591 qc = c->quic;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	592 if (qc == NULL) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	593 return 1;
8235 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	594 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	595
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	596 qc->error_level = level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	597 qc->error = NGX_QUIC_ERR_CRYPTO(alert);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	598 qc->error_reason = "TLS alert";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	599 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	600 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	601
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	602 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	603 return 0;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	604 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	605
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	606 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	607 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	608
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	609
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	610 void
8483 2da9c4fddd44 QUIC: eliminated connection handler argument in ngx_quic_run(). Roman Arutyunyan <arut@nginx.com> parents: 8482 diff changeset	611 ngx_quic_run(ngx_connection_t c, ngx_ssl_t ssl, ngx_quic_conf_t *conf)
8225 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 ngx_buf_t *b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	614 ngx_quic_header_t pkt;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	615
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	616 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	617
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	618 c->log->action = "QUIC initialization";
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	619
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	620 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	621
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	622 b = c->buffer;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	623
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	624 pkt.log = c->log;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	625 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	626 pkt.data = b->start;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	627 pkt.len = b->last - b->start;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	628
8483 2da9c4fddd44 QUIC: eliminated connection handler argument in ngx_quic_run(). Roman Arutyunyan <arut@nginx.com> parents: 8482 diff changeset	629 if (ngx_quic_new_connection(c, ssl, conf, &pkt) != NGX_OK) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	630 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	631 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	632 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	633
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	634 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	635 : c->quic->tp.max_idle_timeout);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	636
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	637 c->read->handler = ngx_quic_input_handler;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	638
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	639 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	640 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	641
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	642
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	643 static ngx_int_t
8481 0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	644 ngx_quic_new_connection(ngx_connection_t c, ngx_ssl_t ssl,
8483 2da9c4fddd44 QUIC: eliminated connection handler argument in ngx_quic_run(). Roman Arutyunyan <arut@nginx.com> parents: 8482 diff changeset	645 ngx_quic_conf_t conf, ngx_quic_header_t pkt)
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	646 {
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	647 ngx_int_t rc;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	648 ngx_uint_t i;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	649 ngx_quic_tp_t *ctp;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	650 ngx_quic_secrets_t *keys;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	651 ngx_quic_send_ctx_t *ctx;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	652 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	653 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	654
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	655 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	656 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	657 "quic UDP datagram is too small for initial packet");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	658 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	659 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	660
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	661 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	662 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	663 return rc;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	664 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	665
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	666 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	667 return ngx_quic_negotiate_version(c, pkt);
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	668 }
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	669
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	670 if (!ngx_quic_pkt_in(pkt->flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	671 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8478 d2f716e668e8 Fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8477 diff changeset	672 "quic invalid initial packet: 0x%xd", pkt->flags);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	673 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	674 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	675
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	676 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	677 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	678 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	679
8387 eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	680 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	681 /* 7.2. Negotiating Connection IDs */
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	682 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	683 "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	684 pkt->dcid.len);
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	685 return NGX_ERROR;
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	686 }
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	687
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	688 c->log->action = "creating new quic connection";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	689
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	690 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	691 if (qc == NULL) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	692 return NGX_ERROR;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	693 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	694
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	695 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	696 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	697
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	698 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	699 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	700 ngx_queue_init(&qc->send_ctx[i].sent);
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	701 qc->send_ctx[i].largest_pn = (uint64_t) -1;
8512 6e1c88f82280 QUIC: changed ctx->largest_ack initial value to type maximum. Sergey Kandaurov <pluknet@nginx.com> parents: 8509 diff changeset	702 qc->send_ctx[i].largest_ack = (uint64_t) -1;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	703 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	704
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	705 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	706 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	707 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	708
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	709 ngx_queue_init(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	710
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	711 qc->avg_rtt = NGX_QUIC_INITIAL_RTT;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	712 qc->rttvar = NGX_QUIC_INITIAL_RTT / 2;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	713 qc->min_rtt = NGX_TIMER_INFINITE;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	714
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	715 /*
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	716 * qc->latest_rtt = 0
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	717 */
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	718
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	719 qc->received = pkt->raw->last - pkt->raw->start;
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	720
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	721 qc->pto.log = c->log;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	722 qc->pto.data = c;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	723 qc->pto.handler = ngx_quic_pto_handler;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	724 qc->pto.cancelable = 1;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	725
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	726 qc->push.log = c->log;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	727 qc->push.data = c;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	728 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	729 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	730
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	731 c->quic = qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	732 qc->ssl = ssl;
8481 0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	733 qc->conf = conf;
0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	734 qc->tp = conf->tp;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	735
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	736 ctp = &qc->ctp;
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	737 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	738 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	739 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	740
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	741 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	742
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	743 qc->streams.client_max_streams_uni = qc->tp.initial_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	744 qc->streams.client_max_streams_bidi = qc->tp.initial_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	745
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	746 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	747 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	748 14720));
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	749 qc->congestion.ssthresh = NGX_MAX_SIZE_T_VALUE;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	750 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	751
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	752 if (ngx_quic_new_dcid(c, &pkt->dcid) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	753 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	754 }
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	755
8421 c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 8417 diff changeset	756 #if (NGX_QUIC_DRAFT_VERSION >= 28)
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	757 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	758 #endif
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	759 qc->tp.initial_scid = c->quic->dcid;
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	760
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	761 qc->scid.len = pkt->scid.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	762 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	763 if (qc->scid.data == NULL) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	764 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	765 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	766 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	767
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	768 keys = &c->quic->keys[ssl_encryption_initial];
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	769
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	770 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	771 &qc->odcid)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	772 != NGX_OK)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	773 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	774 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	775 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	776
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	777 qc->initialized = 1;
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	778
8443 3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 8442 diff changeset	779 if (ngx_terminate \|\| ngx_exiting) {
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 8442 diff changeset	780 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	781 return NGX_ERROR;
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 8442 diff changeset	782 }
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 8442 diff changeset	783
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	784 if (pkt->token.len) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	785 rc = ngx_quic_validate_token(c, pkt);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	786
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	787 if (rc == NGX_ERROR) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	788 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	789 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	790 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	791
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	792 if (rc == NGX_DECLINED) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	793 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	794 return ngx_quic_retry(c);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	795 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	796
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	797 /* NGX_OK */
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	798 qc->validated = 1;
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	799
8481 0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	800 } else if (conf->retry) {
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	801 return ngx_quic_retry(c);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	802 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	803
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	804 pkt->secret = &keys->client;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	805 pkt->level = ssl_encryption_initial;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	806 pkt->plaintext = buf;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	807
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	808 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	809
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	810 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	811 qc->error = pkt->error;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	812 qc->error_reason = "failed to decrypt packet";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	813
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	814 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	815 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	816
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	817 if (ngx_quic_init_connection(c) != NGX_OK) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	818 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	819 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	820
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	821 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	822 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	823 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	824
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	825 /* pos is at header end, adjust by actual packet length */
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	826 pkt->raw->pos += pkt->len;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	827
8377 2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	828 (void) ngx_quic_skip_zero_padding(pkt->raw);
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	829
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	830 return ngx_quic_input(c, pkt->raw);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	831 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	832
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	833
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	834 static ngx_int_t
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	835 ngx_quic_negotiate_version(ngx_connection_t c, ngx_quic_header_t inpkt)
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	836 {
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	837 size_t len;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	838 ngx_quic_header_t pkt;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	839
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	840 /* buffer size is calculated assuming a single supported version */
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	841 static u_char buf[NGX_QUIC_MAX_LONG_HEADER + sizeof(uint32_t)];
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	842
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	843 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	844 "sending version negotiation packet");
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	845
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	846 pkt.log = c->log;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	847 pkt.flags = NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_FIXED_BIT;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	848 pkt.dcid = inpkt->scid;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	849 pkt.scid = inpkt->dcid;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	850
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	851 len = ngx_quic_create_version_negotiation(&pkt, buf);
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	852
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	853 #ifdef NGX_QUIC_DEBUG_PACKETS
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	854 ngx_quic_hexdump(c->log, "quic vnego packet to send", buf, len);
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	855 #endif
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	856
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	857 (void) c->send(c, buf, len);
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	858
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	859 return NGX_ERROR;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	860 }
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	861
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	862
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	863 static ngx_int_t
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	864 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	865 {
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	866 uint8_t len;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	867 ngx_quic_connection_t *qc;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	868
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	869 qc = c->quic;
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	870
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	871 if (RAND_bytes(&len, sizeof(len)) != 1) {
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	872 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	873 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	874
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	875 len = len % 10 + 10;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	876
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	877 qc->dcid.len = len;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	878 qc->dcid.data = ngx_pnalloc(c->pool, len);
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	879 if (qc->dcid.data == NULL) {
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	880 return NGX_ERROR;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	881 }
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	882
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	883 if (RAND_bytes(qc->dcid.data, len) != 1) {
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	884 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	885 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	886
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	887 #ifdef NGX_QUIC_DEBUG_PACKETS
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	888 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	889 #endif
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	890
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	891 qc->odcid.len = odcid->len;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	892 qc->odcid.data = ngx_pstrdup(c->pool, odcid);
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	893 if (qc->odcid.data == NULL) {
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	894 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	895 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	896
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	897 return NGX_OK;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	898 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	899
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	900
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	901 static ngx_int_t
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	902 ngx_quic_retry(ngx_connection_t *c)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	903 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	904 ssize_t len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	905 ngx_str_t res, token;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	906 ngx_quic_header_t pkt;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	907 u_char buf[NGX_QUIC_RETRY_BUFFER_SIZE];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	908
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	909 if (ngx_quic_new_token(c, &token) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	910 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	911 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	912
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	913 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	914 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	915 pkt.log = c->log;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	916 pkt.odcid = c->quic->odcid;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	917 pkt.dcid = c->quic->scid;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	918 pkt.scid = c->quic->dcid;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	919 pkt.token = token;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	920
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	921 res.data = buf;
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 if (ngx_quic_encrypt(&pkt, NULL, &res) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	924 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	925 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	926
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	927 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	928 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	929 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	930
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	931 len = c->send(c, res.data, res.len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	932 if (len == NGX_ERROR \|\| (size_t) len != res.len) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	933 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	934 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	935
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	936 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	937 #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	938 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	939 #endif
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	940 c->quic->tp.retry_scid = c->quic->dcid;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	941 c->quic->in_retry = 1;
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 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	944 }
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
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	947 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	948 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	949 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	950 int len, iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	951 u_char data, p, key, iv;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	952 ngx_msec_t now;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	953 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	954 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	955 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	956 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	957 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	958 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	959 u_char in[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	960
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	961 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	962
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	963 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	964 case AF_INET6:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	965 sin6 = (struct sockaddr_in6 *) c->sockaddr;
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 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	968 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	969
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	970 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	971 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	972
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	973 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	974 case AF_UNIX:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	975
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	976 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	977 data = c->addr_text.data;
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 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	980 #endif
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 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	983 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	984
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	985 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	986 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	987
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	988 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	989 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	990
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	991 p = ngx_cpymem(in, data, len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	992
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	993 now = ngx_current_msec;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	994 len += sizeof(now);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	995 ngx_memcpy(p, &now, sizeof(now));
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 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	998 iv_len = EVP_CIPHER_iv_length(cipher);
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 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	1001 token->data = ngx_pnalloc(c->pool, token->len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1002 if (token->data == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1003 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1004 }
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 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1007 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1008 return NGX_ERROR;
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
8481 0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	1011 key = c->quic->conf->token_key;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1012 iv = token->data;
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 if (RAND_bytes(iv, iv_len) <= 0
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1015 \|\| !EVP_EncryptInit_ex(ctx, cipher, NULL, key, iv))
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1016 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1017 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1018 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1019 }
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 token->len = iv_len;
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 (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	1024 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1025 return NGX_ERROR;
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
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1028 token->len += len;
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 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	1031 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1032 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1033 }
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 token->len += len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1036
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
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1039 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1040 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	1041 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1042
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1043 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1044 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1045
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1046
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1047 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1048 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	1049 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1050 int len, tlen, iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1051 u_char key, iv, p, data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1052 ngx_msec_t msec;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1053 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1054 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1055 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1056 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1057 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1058 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1059 ngx_quic_connection_t *qc;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1060 u_char tdec[NGX_QUIC_MAX_TOKEN_SIZE];
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 if (pkt->token.len == 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1063 return NGX_ERROR;
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
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1066 qc = c->quic;
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 /* Retry token */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1069
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1070 if (qc->token.len) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1071 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	1072 goto bad_token;
8383 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
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1075 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	1076 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1077 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1078
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1079 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1080 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1081
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1082 /* NEW_TOKEN in a previous connection */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1083
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1084 cipher = EVP_aes_256_cbc();
8481 0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	1085 key = c->quic->conf->token_key;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1086 iv = pkt->token.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1087 iv_len = EVP_CIPHER_iv_length(cipher);
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 /* sanity checks */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1090
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1091 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	1092 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1093 }
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 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	1096 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1097 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1098
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1099 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1100 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1101 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1102 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1103
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1104 if (!EVP_DecryptInit_ex(ctx, cipher, NULL, key, iv)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1105 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1106 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1107 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1108
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1109 p = pkt->token.data + iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1110 len = pkt->token.len - iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1111
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1112 if (EVP_DecryptUpdate(ctx, tdec, &len, p, len) != 1) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1113 EVP_CIPHER_CTX_free(ctx);
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1114 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1115 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1116
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1117 if (EVP_DecryptFinal_ex(ctx, tdec + len, &tlen) <= 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1118 EVP_CIPHER_CTX_free(ctx);
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1119 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1120 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1121
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1122 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1123
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1124 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1125
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1126 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1127 case AF_INET6:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1128 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1129
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1130 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1131 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1132
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1133 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1134 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1135
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1136 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1137 case AF_UNIX:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1138
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1139 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	1140 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1141
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1142 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1143 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1144
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1145 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1146 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1147
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1148 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1149 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1150
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1151 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1152 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1153
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1154 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	1155 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1156 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1157
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1158 ngx_memcpy(&msec, tdec + len, sizeof(msec));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1159
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1160 if (ngx_current_msec - msec > NGX_QUIC_RETRY_LIFETIME) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1161 return NGX_DECLINED;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1162 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1163
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1164 return NGX_OK;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1165
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1166 bad_token:
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1167
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1168 qc->error = NGX_QUIC_ERR_INVALID_TOKEN;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1169 qc->error_reason = "invalid_token";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1170
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1171 return NGX_ERROR;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1172 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1173
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1174
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1175 static ngx_int_t
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	1176 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	1177 {
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1178 u_char *p;
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1179 size_t clen;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1180 ssize_t len;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1181 ngx_ssl_conn_t *ssl_conn;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1182 ngx_quic_connection_t *qc;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1183
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1184 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1185
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1186 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	1187 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1188 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1189
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1190 ssl_conn = c->ssl->connection;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1191
8232 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1192 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	1193 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1194 "quic SSL_set_quic_method() failed");
8232 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1195 return NGX_ERROR;
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1196 }
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1197
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1198 #ifdef SSL_READ_EARLY_DATA_SUCCESS
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1199 if (SSL_CTX_get_max_early_data(qc->ssl->ctx)) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1200 SSL_set_quic_early_data_enabled(ssl_conn, 1);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1201 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1202 #endif
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1203
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1204 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	1205 /* always succeeds */
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1206
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1207 p = ngx_pnalloc(c->pool, len);
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1208 if (p == NULL) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1209 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1210 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1211
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1212 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	1213 if (len < 0) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1214 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1215 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1216
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1217 #ifdef NGX_QUIC_DEBUG_PACKETS
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	1218 ngx_quic_hexdump(c->log, "quic transport parameters", p, len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1219 #endif
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1220
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1221 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	1222 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1223 "quic SSL_set_quic_transport_params() failed");
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1224 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1225 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1226
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1227 #if NGX_OPENSSL_QUIC_ZRTT_CTX
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1228 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	1229 ngx_log_error(NGX_LOG_INFO, c->log, 0,
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1230 "quic SSL_set_quic_early_data_context() failed");
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1231 return NGX_ERROR;
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1232 }
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1233 #endif
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1234
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1235 return NGX_OK;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1236 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1237
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1238
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1239 static ngx_inline size_t
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1240 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	1241 {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1242 /* TODO: path MTU discovery */
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1243
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1244 #if (NGX_HAVE_INET6)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1245 if (c->sockaddr->sa_family == AF_INET6) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1246 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT6;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1247 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1248 #endif
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1249
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1250 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1251 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1252
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1253
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1254 static void
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1255 ngx_quic_input_handler(ngx_event_t *rev)
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1256 {
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1257 ssize_t n;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1258 ngx_buf_t b;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1259 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1260 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	1261 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	1262
8394 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 8393 diff changeset	1263 ngx_memzero(&b, sizeof(ngx_buf_t));
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1264 b.start = buf;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	1265 b.end = buf + sizeof(buf);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1266 b.pos = b.last = b.start;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1267 b.memory = 1;
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1268
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1269 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	1270 qc = c->quic;
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1271
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1272 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	1273
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1274 if (rev->timedout) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1275 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1276 "quic client timed out");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1277 ngx_quic_close_connection(c, NGX_DONE);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1278 return;
8212 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	1279 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	1280
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1281 if (c->close) {
8442 b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 8439 diff changeset	1282 qc->error_reason = "graceful shutdown";
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 8439 diff changeset	1283 ngx_quic_close_connection(c, NGX_OK);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1284 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1285 }
8220 7ada2feeac18 Added processing of CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8218 diff changeset	1286
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1287 n = c->recv(c, b.start, b.end - b.start);
8215 38c0898b6df7 HTTP/3. Roman Arutyunyan <arut@nginx.com> parents: 8214 diff changeset	1288
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1289 if (n == NGX_AGAIN) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1290 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1291 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1292 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1293 return;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1294 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1295
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1296 if (n == NGX_ERROR) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1297 c->read->eof = 1;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1298 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1299 return;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1300 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1301
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1302 b.last += n;
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	1303 qc->received += n;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1304
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1305 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	1306 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1307 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1308 }
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1309
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1310 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1311 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	1312 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1313
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1314
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1315 static void
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1316 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	1317 {
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1318 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	1319
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1320 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1321 "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	1322
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	1323 if (!c->quic \|\| !c->quic->initialized) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1324 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1325 "quic close connection early error");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1326
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1327 } 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	1328 return;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	1329 }
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1330
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1331 if (c->ssl) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1332 (void) ngx_ssl_shutdown(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1333 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1334
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1335 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1336 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1337 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1338
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1339 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1340 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1341 #endif
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1342
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1343 c->destroyed = 1;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1344
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1345 pool = c->pool;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1346
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1347 ngx_close_connection(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1348
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1349 ngx_destroy_pool(pool);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1350 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1351
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1352
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1353 static ngx_int_t
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1354 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	1355 {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1356 ngx_uint_t i;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1357 ngx_quic_send_ctx_t *ctx;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1358 ngx_quic_connection_t *qc;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1359
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1360 qc = c->quic;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1361
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1362 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1363
8398 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1364 /* 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	1365 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	1366 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	1367 ngx_quic_free_frames(c, &ctx->sent);
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1368 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1369
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1370 if (rc == NGX_DONE) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1371
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1372 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1373 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1374 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1375 * 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	1376 * 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	1377 */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1378
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1379 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	1380 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1381 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1382
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1383 } else {
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1384
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1385 /*
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1386 * 10.3. Immediate Close
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1387 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1388 * 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	1389 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1390 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1391
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1392 qc->error_level = c->ssl ? SSL_quic_read_level(c->ssl->connection)
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1393 : ssl_encryption_initial;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1394
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1395 if (rc == NGX_OK) {
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1396 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	1397 "quic immediate close, drain = %d",
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1398 qc->draining);
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1399
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1400 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1401 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1402 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	1403 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1404
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1405 ctx = ngx_quic_get_send_ctx(qc, qc->error_level);
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1406
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1407 ngx_add_timer(&qc->close, 3 * ngx_quic_pto(c, ctx));
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1408
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1409 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	1410
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1411 } else {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1412 if (qc->error == 0 && !qc->error_app) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1413 qc->error = NGX_QUIC_ERR_INTERNAL_ERROR;
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
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1416 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	1417 "quic immediate close due to %serror: %ui %s",
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1418 qc->error_app ? "app " : "", qc->error,
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1419 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1420 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1421
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1422 (void) ngx_quic_send_cc(c);
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 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	1425 /* 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	1426 qc->error_level = ssl_encryption_initial;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1427 (void) ngx_quic_send_cc(c);
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1428 }
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1429 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1430
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1431 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1432 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1433
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1434 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	1435 /* 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	1436 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1437 }
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1438
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1439 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1440 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1441 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1442
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1443 if (qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1444 return NGX_AGAIN;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1445 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1446
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1447 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1448 ngx_quic_free_frames(c, &qc->crypto[i].frames);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1449 }
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 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	1452 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	1453 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	1454 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1455
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1456 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1457 ngx_del_timer(&qc->push);
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
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	1460 if (qc->pto.timer_set) {
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	1461 ngx_del_timer(&qc->pto);
8354 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
8434 ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1464 if (qc->push.posted) {
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1465 ngx_delete_posted_event(&qc->push);
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1466 }
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1467
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1468 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	1469 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1470
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1471 /* 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	1472 c->quic = NULL;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1473
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1474 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1475 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1476
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1477
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1478 void
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1479 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	1480 const char *reason)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1481 {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1482 ngx_quic_connection_t *qc;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1483
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1484 qc = c->quic;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1485 qc->error = err;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1486 qc->error_reason = reason;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1487 qc->error_app = 1;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1488 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1489
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1490 ngx_quic_close_connection(c, NGX_ERROR);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1491 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1492
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1493
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1494 static void
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1495 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	1496 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1497 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1498
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1499 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	1500
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1501 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1502 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1503 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1504
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1505
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1506 static ngx_int_t
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1507 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	1508 {
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	1509 ngx_event_t rev, wev;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1510 ngx_rbtree_t *tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1511 ngx_rbtree_node_t *node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1512 ngx_quic_stream_t *qs;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1513
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1514 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1515 ngx_uint_t ns;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1516 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1517
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1518 tree = &qc->streams.tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1519
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1520 if (tree->root == tree->sentinel) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1521 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1522 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1523
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1524 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1525 ns = 0;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1526 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1527
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1528 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1529 node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1530 node = ngx_rbtree_next(tree, node))
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1531 {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1532 qs = (ngx_quic_stream_t *) node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1533
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1534 rev = qs->c->read;
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	1535 rev->error = 1;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1536 rev->ready = 1;
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	1537
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	1538 wev = qs->c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	1539 wev->error = 1;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	1540 wev->ready = 1;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1541
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1542 ngx_post_event(rev, &ngx_posted_events);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1543
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1544 if (rev->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1545 ngx_del_timer(rev);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1546 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1547
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1548 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1549 ns++;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1550 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1551 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1552
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1553 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	1554 "quic connection has %ui active streams", ns);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1555
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1556 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1557 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1558
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1559
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1560 static ngx_int_t
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1561 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	1562 {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1563 u_char *p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1564 ngx_int_t rc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1565 ngx_quic_header_t pkt;
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1566
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1567 p = b->pos;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1568
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1569 while (p < b->last) {
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1570 c->log->action = "processing quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1571
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1572 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1573 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1574 pkt.data = p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1575 pkt.len = b->last - p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1576 pkt.log = c->log;
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1577 pkt.flags = p[0];
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1578
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1579 if (c->quic->in_retry) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1580 return ngx_quic_retry_input(c, &pkt);
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
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1583 if (ngx_quic_long_pkt(pkt.flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1584
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1585 if (ngx_quic_pkt_in(pkt.flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1586 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	1587
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1588 } else if (ngx_quic_pkt_hs(pkt.flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1589 rc = ngx_quic_handshake_input(c, &pkt);
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1590
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1591 } else if (ngx_quic_pkt_zrtt(pkt.flags)) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1592 rc = ngx_quic_early_input(c, &pkt);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1593
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1594 } else {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1595 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1596 "quic unknown long packet type");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1597 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1598 }
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1599
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1600 } else {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1601 rc = ngx_quic_app_input(c, &pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1602 }
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1603
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1604 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1605 return NGX_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1606 }
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1607
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1608 /* NGX_OK \|\| NGX_DECLINED */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1609
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1610 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1611 * 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	1612 * to decrypt packet.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1613 * 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	1614 * retransmission:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1615 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1616 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1617 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1618 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1619 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1620 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1621 * attempt to process the remaining packets.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1622 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1623
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1624 /* 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	1625 b->pos += pkt.len;
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1626 p = ngx_quic_skip_zero_padding(b);
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1627 }
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1628
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1629 return NGX_OK;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1630 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1631
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1632
8377 2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1633 /* 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	1634 static ngx_inline u_char *
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1635 ngx_quic_skip_zero_padding(ngx_buf_t *b)
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1636 {
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1637 while (b->pos < b->last && *(b->pos) == 0) {
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1638 b->pos++;
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1639 }
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1640
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1641 return b->pos;
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1642 }
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1643
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1644
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1645 static ngx_int_t
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1646 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	1647 {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1648 ngx_int_t rc;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1649 ngx_quic_secrets_t *keys;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1650 ngx_quic_send_ctx_t *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1651 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	1652 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	1653
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1654 c->log->action = "retrying quic connection";
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 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	1657 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1658 "quic UDP datagram is too small for initial packet");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1659 return NGX_OK;
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
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1662 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	1663 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1664 return rc;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1665 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1666
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1667 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1668 ngx_log_error(NGX_LOG_INFO, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1669 "quic unsupported version: 0x%xD", pkt->version);
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1670 return NGX_ERROR;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1671 }
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1672
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1673 if (ngx_quic_pkt_zrtt(pkt->flags)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1674 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1675 "quic discard inflight 0-RTT packet");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1676 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1677 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1678
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1679 if (!ngx_quic_pkt_in(pkt->flags)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1680 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8478 d2f716e668e8 Fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8477 diff changeset	1681 "quic invalid initial packet: 0x%xd", pkt->flags);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1682 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1683 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1684
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1685 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1686 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1687 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1688
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1689 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	1690 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1691 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1692
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1693 qc = c->quic;
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	1694 qc->tp.initial_scid = c->quic->dcid;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1695
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1696 keys = &c->quic->keys[ssl_encryption_initial];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1697
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1698 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	1699 &qc->odcid)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1700 != NGX_OK)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1701 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1702 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1703 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1704
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1705 c->quic->in_retry = 0;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1706
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1707 if (ngx_quic_validate_token(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1708 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	1709 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1710 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1711
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	1712 qc->validated = 1;
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	1713
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1714 pkt->secret = &keys->client;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1715 pkt->level = ssl_encryption_initial;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1716 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1717
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1718 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1719
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1720 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	1721 qc->error = pkt->error;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1722 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1723 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1724
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1725 if (ngx_quic_init_connection(c) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1726 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1727 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1728
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1729 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1730 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1731 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1732
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1733 /* 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	1734 pkt->raw->pos += pkt->len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1735
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1736 (void) ngx_quic_skip_zero_padding(pkt->raw);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1737
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1738 return ngx_quic_input(c, pkt->raw);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1739 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1740
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1741
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1742 static ngx_int_t
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1743 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	1744 {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1745 ngx_int_t rc;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1746 ngx_ssl_conn_t *ssl_conn;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1747 ngx_quic_secrets_t *keys;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1748 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	1749 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1750
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1751 c->log->action = "processing initial quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1752
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1753 ssl_conn = c->ssl->connection;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1754
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1755 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	1756 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1757 return rc;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1758 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1759
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1760 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1761 ngx_log_error(NGX_LOG_INFO, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1762 "quic unsupported version: 0x%xD", pkt->version);
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1763 return NGX_ERROR;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1764 }
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1765
8224 ae35ccba7aa6 Extracted transport part of the code into separate file. Vladimir Homutov <vl@nginx.com> parents: 8223 diff changeset	1766 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1767 return NGX_ERROR;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1768 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1769
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1770 keys = &c->quic->keys[ssl_encryption_initial];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1771
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1772 pkt->secret = &keys->client;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1773 pkt->level = ssl_encryption_initial;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1774 pkt->plaintext = buf;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1775
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1776 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	1777
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1778 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	1779 c->quic->error = pkt->error;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1780 return NGX_ERROR;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1781 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1782
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1783 return ngx_quic_payload_handler(c, pkt);
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1784 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1785
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1786
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1787 static ngx_int_t
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1788 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	1789 {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1790 ngx_int_t rc;
8507 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1791 ngx_queue_t *q;
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1792 ngx_quic_frame_t *f;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1793 ngx_quic_secrets_t *keys;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1794 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	1795 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	1796 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	1797
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1798 c->log->action = "processing handshake quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1799
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1800 qc = c->quic;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1801
8321 e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1802 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	1803
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1804 if (keys->client.key.len == 0) {
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1805 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1806 "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	1807 return NGX_DECLINED;
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1808 }
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1809
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1810 /* 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	1811 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	1812 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1813 return rc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1814 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1815
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1816 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1817 ngx_log_error(NGX_LOG_INFO, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1818 "quic unsupported version: 0x%xD", pkt->version);
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1819 return NGX_ERROR;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1820 }
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1821
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1822 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	1823 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1824 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1825
8224 ae35ccba7aa6 Extracted transport part of the code into separate file. Vladimir Homutov <vl@nginx.com> parents: 8223 diff changeset	1826 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	1827 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1828 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1829
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1830 pkt->secret = &keys->client;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1831 pkt->level = ssl_encryption_handshake;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1832 pkt->plaintext = buf;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1833
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1834 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1835
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1836 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	1837 qc->error = pkt->error;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1838 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1839 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1840
8393 e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1841 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1842 * 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	1843 * 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	1844 */
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1845 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_initial);
8507 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1846
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1847 while (!ngx_queue_empty(&ctx->sent)) {
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1848 q = ngx_queue_head(&ctx->sent);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1849 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1850
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1851 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1852 ngx_quic_congestion_ack(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1853 ngx_quic_free_frame(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1854 }
8393 e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1855
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	1856 qc->validated = 1;
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1857 qc->pto_count = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1858
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1859 return ngx_quic_payload_handler(c, pkt);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1860 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1861
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1862
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1863 static ngx_int_t
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1864 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	1865 {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1866 ngx_int_t rc;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1867 ngx_quic_secrets_t *keys;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1868 ngx_quic_send_ctx_t *ctx;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1869 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	1870 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	1871
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1872 c->log->action = "processing early data quic packet";
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1873
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1874 qc = c->quic;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1875
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1876 /* 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	1877 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	1878 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1879 return rc;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1880 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1881
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1882 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1883 ngx_log_error(NGX_LOG_INFO, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1884 "quic unsupported version: 0x%xD", pkt->version);
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1885 return NGX_ERROR;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1886 }
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1887
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1888 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1889 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1890 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1891
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1892 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1893 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1894 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1895
8439 cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 8438 diff changeset	1896 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	1897
cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 8438 diff changeset	1898 if (keys->client.key.len == 0) {
cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 8438 diff changeset	1899 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	1900 "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	1901 return NGX_DECLINED;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1902 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1903
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1904
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1905 pkt->secret = &keys->client;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1906 pkt->level = ssl_encryption_early_data;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1907 pkt->plaintext = buf;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1908
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1909 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1910
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1911 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	1912 qc->error = pkt->error;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1913 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1914 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1915
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1916 return ngx_quic_payload_handler(c, pkt);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1917 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1918
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1919
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1920 static ngx_int_t
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1921 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	1922 {
8381 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1923 ngx_str_t *dcid;
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1924
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1925 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	1926
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1927 if (pkt->dcid.len != dcid->len) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1928 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	1929 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1930 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1931
8381 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1932 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	1933 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	1934 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1935 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1936
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1937 if (pkt->scid.len != qc->scid.len) {
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1938 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	1939 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1940 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1941
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1942 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	1943 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	1944 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1945 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1946
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1947 return NGX_OK;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1948 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1949
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1950
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1951 static ngx_int_t
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1952 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	1953 {
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1954 ngx_int_t rc;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1955 ngx_quic_secrets_t keys, next, tmp;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1956 ngx_quic_send_ctx_t *ctx;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1957 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	1958 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	1959
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1960 c->log->action = "processing application data quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1961
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1962 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1963
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1964 keys = &c->quic->keys[ssl_encryption_application];
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1965 next = &c->quic->next_key;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1966
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1967 if (keys->client.key.len == 0) {
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1968 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1969 "quic no read keys yet, packet ignored");
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1970 return NGX_DECLINED;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1971 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1972
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1973 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	1974 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1975 return rc;
8185 6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1976 }
6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1977
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1978 pkt->secret = &keys->client;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1979 pkt->next = &next->client;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1980 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	1981 pkt->level = ssl_encryption_application;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1982 pkt->plaintext = buf;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1983
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1984 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1985
8446 df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8443 diff changeset	1986 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	1987
df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8443 diff changeset	1988 if (rc != NGX_OK) {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1989 qc->error = pkt->error;
8446 df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8443 diff changeset	1990 return rc;
8185 6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1991 }
6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1992
8470 0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	1993 ngx_gettimeofday(&pkt->received);
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	1994
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1995 /* switch keys on Key Phase change */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1996
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1997 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1998 c->quic->key_phase ^= 1;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1999
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2000 tmp = *keys;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2001 keys = next;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2002 *next = tmp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2003 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2004
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2005 rc = ngx_quic_payload_handler(c, pkt);
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2006
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2007 if (rc == NGX_ERROR) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2008 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2009 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2010
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2011 /* generate next keys */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2012
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2013 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2014 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	2015 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2016 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2017 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2018
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2019 return rc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2020 }
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	2021
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	2022
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2023 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2024 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	2025 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2026 u_char end, p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2027 ssize_t len;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2028 ngx_uint_t ack_sent, do_close;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2029 ngx_quic_frame_t frame;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2030 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2031
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2032 qc = c->quic;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2033
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2034 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2035 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2036 * 10.1 Closing and Draining Connection States
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2037 * ... delayed or reordered packets are properly discarded.
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2038 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2039 * 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	2040 * 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	2041 * packets as belonging to the connection.
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2042 */
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2043
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2044 qc->error_level = pkt->level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2045 qc->error = NGX_QUIC_ERR_NO_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2046 qc->error_reason = "connection is closing, packet discarded";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2047 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2048 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2049
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2050 return ngx_quic_send_cc(c);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2051 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2052
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2053 p = pkt->payload.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2054 end = p + pkt->payload.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2055
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2056 ack_sent = 0;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2057 do_close = 0;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2058
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2059 while (p < end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2060
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2061 c->log->action = "parsing frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2062
8240 1f002206a59b Added boundaries checks into frame parser. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	2063 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	2064
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2065 if (len < 0) {
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2066 qc->error = pkt->error;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2067 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2068 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2069
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2070 c->log->action = "handling frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2071
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2072 p += len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2073
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2074 switch (frame.type) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2075
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2076 case NGX_QUIC_FT_ACK:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2077 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	2078 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2079 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2080
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2081 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2082
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2083 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2084 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2085 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2086
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2087 case NGX_QUIC_FT_CONNECTION_CLOSE:
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2088 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	2089 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2090 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2091 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2092
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2093 /* got there with ack-eliciting packet */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2094
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2095 if (!ack_sent) {
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2096 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	2097 return NGX_ERROR;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2098 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2099
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2100 ack_sent = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2101 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2102
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2103 switch (frame.type) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2104
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2105 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2106
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2107 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	2108 return NGX_ERROR;
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
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2111 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2112
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2113 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2114 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2115
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2116 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2117 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2118 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2119 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2120 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2121 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2122 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2123 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2124
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2125 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	2126 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2127 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2128
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2129 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2130
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	2131 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	2132
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2133 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	2134 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2135 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2136 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2137
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	2138 break;
ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	2139
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2140 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2141 case NGX_QUIC_FT_STREAMS_BLOCKED2:
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2142
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2143 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	2144 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2145 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2146 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2147 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2148 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2149
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2150 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2151
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2152 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	2153
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2154 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	2155 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2156 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2157 {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2158 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2159 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2160
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2161 break;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2162
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2163 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	2164
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2165 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	2166 &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	2167 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2168 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2169 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2170 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2171
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2172 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2173
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2174 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	2175
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2176 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	2177 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2178 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2179 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2180 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2181 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2182
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2183 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2184
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2185 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	2186
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2187 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	2188 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2189 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2190 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2191 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2192 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2193
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2194 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2195
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2196 case NGX_QUIC_FT_MAX_STREAMS:
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2197 case NGX_QUIC_FT_MAX_STREAMS2:
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2198
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2199 if (ngx_quic_handle_max_streams_frame(c, pkt, &frame.u.max_streams)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2200 != NGX_OK)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2201 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2202 return NGX_ERROR;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2203 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2204
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2205 break;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2206
8531 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2207 case NGX_QUIC_FT_PATH_CHALLENGE:
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2208
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2209 if (ngx_quic_handle_path_challenge_frame(c, pkt,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2210 &frame.u.path_challenge)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2211 != NGX_OK)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2212 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2213 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2214 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2215
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2216 break;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2217
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2218 case NGX_QUIC_FT_NEW_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2219 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2220 case NGX_QUIC_FT_PATH_RESPONSE:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2221
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2222 /* TODO: handle */
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2223 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2224 "quic frame handler not implemented");
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2225 break;
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2226
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2227 default:
8346 4e4485793418 Added MAX_STREAM_DATA stub handler. Vladimir Homutov <vl@nginx.com> parents: 8345 diff changeset	2228 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2229 "quic missing frame handler");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2230 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2231 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2232 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2233
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2234 if (p != end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2235 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2236 "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	2237
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2238 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2239 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2240 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2241
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2242 if (do_close) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2243 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2244 ngx_quic_close_connection(c, NGX_OK);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2245 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2246
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2247 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2248 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2249
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2250
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2251 static ngx_int_t
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2252 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	2253 {
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2254 ngx_quic_frame_t *frame;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2255
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2256 c->log->action = "generating acknowledgment";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2257
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2258 /* 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	2259
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2260 frame = ngx_quic_alloc_frame(c, 0);
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2261 if (frame == NULL) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2262 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2263 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2264
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2265 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	2266 ? ssl_encryption_application
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2267 : pkt->level;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2268
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2269 frame->type = NGX_QUIC_FT_ACK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2270 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	2271 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	2272
8478 d2f716e668e8 Fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8477 diff changeset	2273 ngx_sprintf(frame->info, "ACK for PN=%uL from frame handler level=%d",
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2274 pkt->pn, frame->level);
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2275 ngx_quic_queue_frame(c->quic, frame);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2276
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2277 return NGX_OK;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2278 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2279
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2280
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2281 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	2282 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	2283 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	2284 {
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2285 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	2286 struct timeval tv;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2287
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2288 ack_delay = 0;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2289
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2290 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	2291 ngx_gettimeofday(&tv);
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2292 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	2293 + 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	2294 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	2295 }
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2296
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2297 return ack_delay;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2298 }
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2299
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2300
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated. Vladimir Homutov <vl@nginx.com> parents: 8469 diff changeset	2301 static ngx_int_t
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2302 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	2303 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2304 ngx_quic_frame_t *frame;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2305 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2306
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2307 qc = c->quic;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2308
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2309 if (qc->draining) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2310 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2311 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2312
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2313 if (qc->closing
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2314 && 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	2315 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2316 /* dot not send CC too often */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2317 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2318 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2319
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2320 frame = ngx_quic_alloc_frame(c, 0);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2321 if (frame == NULL) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2322 return NGX_ERROR;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2323 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2324
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2325 frame->level = qc->error_level;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2326 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE;
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2327 frame->u.close.error_code = qc->error;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2328 frame->u.close.frame_type = qc->error_ftype;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2329 frame->u.close.app = qc->error_app;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2330
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2331 if (qc->error_reason) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2332 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	2333 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	2334 }
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2335
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2336 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	2337 "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	2338 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	2339 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	2340
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2341 ngx_quic_queue_frame(c->quic, frame);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2342
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2343 qc->last_cc = ngx_current_msec;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2344
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2345 return ngx_quic_output(c);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2346 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2347
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2348
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2349 static ngx_int_t
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2350 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	2351 {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2352 ngx_str_t token;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2353 ngx_quic_frame_t *frame;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2354
8481 0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	2355 if (!c->quic->conf->retry) {
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2356 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2357 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2358
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2359 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	2360 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2361 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2362
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2363 frame = ngx_quic_alloc_frame(c, 0);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2364 if (frame == NULL) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2365 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2366 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2367
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2368 frame->level = ssl_encryption_application;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2369 frame->type = NGX_QUIC_FT_NEW_TOKEN;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2370 frame->u.token.length = token.len;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2371 frame->u.token.data = token.data;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2372 ngx_sprintf(frame->info, "NEW_TOKEN");
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2373 ngx_quic_queue_frame(c->quic, frame);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2374
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2375 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2376 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2377
8450 a62849b6463c Style. Vladimir Homutov <vl@nginx.com> parents: 8447 diff changeset	2378
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2379 static ngx_int_t
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2380 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	2381 ngx_quic_ack_frame_t *ack)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2382 {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2383 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	2384 u_char pos, end;
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	2385 uint64_t min, max, gap, range;
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2386 ngx_msec_t send_time;
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	2387 ngx_uint_t i;
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2388 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	2389 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	2390
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2391 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	2392
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2393 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	2394
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2395 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2396 "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	2397
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2398 /*
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2399 * 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	2400 * 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	2401 * (19.3.1)
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2402 */
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2403
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2404 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	2405 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2406 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2407 "quic invalid first range in ack frame");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2408 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2409 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2410
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2411 min = ack->largest - ack->first_range;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2412 max = ack->largest;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2413
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2414 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	2415 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2416 {
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2417 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2418 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2419
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2420 /* 13.2.3. Receiver Tracking of ACK Frames */
8512 6e1c88f82280 QUIC: changed ctx->largest_ack initial value to type maximum. Sergey Kandaurov <pluknet@nginx.com> parents: 8509 diff changeset	2421 if (ctx->largest_ack < max \|\| ctx->largest_ack == (uint64_t) -1) {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2422 ctx->largest_ack = max;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2423 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	2424 "quic updated largest received ack: %uL", max);
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2425
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2426 /*
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2427 * An endpoint generates an RTT sample on receiving an
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2428 * ACK frame that meets the following two conditions:
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2429 *
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2430 * - the largest acknowledged packet number is newly acknowledged
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2431 * - 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	2432 */
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2433
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2434 if (send_time != NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2435 ngx_quic_rtt_sample(c, ack, pkt->level, send_time);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2436 }
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2437 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2438
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2439 pos = ack->ranges_start;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2440 end = ack->ranges_end;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2441
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2442 for (i = 0; i < ack->range_count; i++) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2443
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2444 n = ngx_quic_parse_ack_range(pkt, pos, end, &gap, &range);
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2445 if (n == NGX_ERROR) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2446 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2447 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2448 pos += n;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2449
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	2450 if (gap + 2 > min) {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2451 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2452 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2453 "quic invalid range %ui in ack frame", i);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2454 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2455 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2456
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	2457 max = min - gap - 2;
69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	2458
69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	2459 if (range > max) {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	2460 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2461 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2462 "quic invalid range %ui in ack frame", i);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2463 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2464 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2465
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	2466 min = max - range;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2467
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2468 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	2469 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2470 {
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2471 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2472 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2473 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2474
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	2475 return ngx_quic_detect_lost(c);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2476 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2477
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2478
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2479 static ngx_int_t
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2480 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	2481 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	2482 {
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2483 uint64_t found_num;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2484 ngx_uint_t found;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2485 ngx_queue_t *q;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2486 ngx_quic_frame_t *f;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2487 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2488
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	2489 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	2490 "quic handle ack range: min:%uL max:%uL", min, max);
69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	2491
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2492 qc = c->quic;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2493
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2494 *send_time = NGX_TIMER_INFINITE;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2495 found = 0;
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2496 found_num = 0;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2497
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2498 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	2499
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2500 while (q != ngx_queue_sentinel(&ctx->sent)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2501
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2502 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	2503 q = ngx_queue_prev(q);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2504
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2505 if (f->pnum >= min && f->pnum <= max) {
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2506 ngx_quic_congestion_ack(c, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2507
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2508 ngx_quic_handle_stream_ack(c, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2509
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2510 if (f->pnum > found_num \|\| !found) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2511 *send_time = f->last;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2512 found_num = f->pnum;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2513 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2514
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2515 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2516 ngx_quic_free_frame(c, f);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2517 found = 1;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2518 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2519 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2520
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2521 if (!found) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2522
8437 4e75267865de QUIC: fixed off-by-one in frame range handler. Vladimir Homutov <vl@nginx.com> parents: 8436 diff changeset	2523 if (max < ctx->pnum) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2524 /* duplicate ACK or ACK for non-ack-eliciting frame */
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2525 return NGX_OK;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2526 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2527
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2528 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8401 d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	2529 "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	2530
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2531 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	2532 qc->error_ftype = NGX_QUIC_FT_ACK;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2533 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	2534
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2535 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2536 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2537
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2538 if (!qc->push.timer_set) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2539 ngx_post_event(&qc->push, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2540 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2541
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2542 qc->pto_count = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2543
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2544 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2545 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2546
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2547
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2548 static void
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2549 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	2550 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	2551 {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2552 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	2553 ngx_quic_connection_t *qc;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2554
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2555 qc = c->quic;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2556
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2557 latest_rtt = ngx_current_msec - send_time;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2558 qc->latest_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2559
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2560 if (qc->min_rtt == NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2561 qc->min_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2562 qc->avg_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2563 qc->rttvar = latest_rtt / 2;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2564
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2565 } else {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2566 qc->min_rtt = ngx_min(qc->min_rtt, latest_rtt);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2567
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2568
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2569 if (level == ssl_encryption_application) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2570 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	2571 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	2572
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2573 } else {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2574 ack_delay = 0;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2575 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2576
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2577 adjusted_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2578
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2579 if (qc->min_rtt + ack_delay < latest_rtt) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2580 adjusted_rtt -= ack_delay;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2581 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2582
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2583 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	2584 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	2585 qc->rttvar = 0.75 * qc->rttvar + 0.25 * rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2586 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2587
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2588 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2589 "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	2590 latest_rtt, qc->min_rtt, qc->avg_rtt, qc->rttvar);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2591 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2592
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2593
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2594 static ngx_inline ngx_msec_t
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2595 ngx_quic_pto(ngx_connection_t c, ngx_quic_send_ctx_t ctx)
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2596 {
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2597 ngx_msec_t duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2598 ngx_quic_connection_t *qc;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2599
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2600 qc = c->quic;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2601
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2602 /* PTO calculation: quic-recovery, Appendix 8 */
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2603 duration = qc->avg_rtt;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2604
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2605 duration += ngx_max(4 * qc->rttvar, NGX_QUIC_TIME_GRANULARITY);
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2606 duration <<= qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2607
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2608 if (qc->congestion.in_flight == 0) { /* no in-flight packets */
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2609 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2610 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2611
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2612 if (ctx == &qc->send_ctx[2] && c->ssl->handshaked) {
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2613 /* application send space */
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2614
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2615 duration += qc->tp.max_ack_delay << qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2616 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2617
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2618 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2619 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2620
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2621
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	2622 static void
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2623 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	2624 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2625 uint64_t sent, unacked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2626 ngx_event_t *wev;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2627 ngx_quic_stream_t *sn;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2628 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2629
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2630 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	2631 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2632 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2633
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2634 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2635
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2636 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	2637 if (sn == NULL) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2638 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2639 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2640
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2641 wev = sn->c->write;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2642 sent = sn->c->sent;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2643 unacked = sent - sn->acked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2644
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2645 if (unacked >= NGX_QUIC_STREAM_BUFSIZE && wev->active) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2646 wev->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2647 ngx_post_event(wev, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2648 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2649
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2650 sn->acked += f->u.stream.length;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2651
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2652 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	2653 "quic stream ack %uL acked:%uL, unacked:%uL",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2654 f->u.stream.length, sn->acked, sent - sn->acked);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2655 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2656
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2657
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2658 static ngx_int_t
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2659 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	2660 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	2661 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2662 size_t full_len;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2663 ngx_int_t rc;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2664 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2665 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2666
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2667 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2668
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2669 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2670 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478 d2f716e668e8 Fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8477 diff changeset	2671 "quic out-of-order frame: expecting %uL got %uL",
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2672 fs->received, f->offset);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2673
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2674 return ngx_quic_buffer_frame(c, fs, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2675 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2676
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2677 if (f->offset < fs->received) {
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 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2680 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2681 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2682 /* old/duplicate data range */
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 /* intersecting data range, frame modified */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2687 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2688
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2689 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2690
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2691 rc = handler(c, frame, data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2692 if (rc == NGX_ERROR) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2693 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2694
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2695 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2696 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2697 return NGX_OK;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2698 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2699
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2700 /* rc == NGX_OK */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2701
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2702 fs->received += f->length;
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 /* 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	2705
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2706 do {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2707 q = ngx_queue_head(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2708 if (q == ngx_queue_sentinel(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2709 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2710 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2711
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2712 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2713 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2714
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2715 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2716 /* gap found, nothing more to do */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2717 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2718 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2719
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2720 full_len = f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2721
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2722 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2723
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2724 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2725 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2726 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2727 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2728 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2729 fs->total -= f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2730
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2731 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2732 "quic skipped buffered frame, total %ui",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2733 fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2734 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2735 continue;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2736 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2737
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2738 /* frame was adjusted, proceed to input */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2739 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2740
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2741 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2742
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2743 rc = handler(c, frame, data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2744
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2745 if (rc == NGX_ERROR) {
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2746 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2747
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2748 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2749 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2750 return NGX_OK;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2751 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2752
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2753 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2754 fs->total -= full_len;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2755
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2756 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2757
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2758 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2759 "quic consumed buffered frame, total %ui", fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2760
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2761 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2762
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2763 } while (1);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2764
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2765 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2766 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2767
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2768
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2769 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2770 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	2771 uint64_t offset_in)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2772 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2773 size_t tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2774 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2775
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2776 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2777
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2778 tail = offset_in - f->offset;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2779
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2780 if (tail >= f->length) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2781 /* range preceeding already received data or duplicate, ignore */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2782
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2783 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2784 "quic old or duplicate data in ordered frame, ignored");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2785 return NGX_DONE;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2786 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2787
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2788 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2789 "quic adjusted ordered frame data start to expected offset");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2790
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2791 /* intersecting range: adjust data size */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2792
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2793 f->offset += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2794 f->data += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2795 f->length -= tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2796
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2797 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2798 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2799
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2800
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2801 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2802 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	2803 ngx_quic_frame_t *frame)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2804 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2805 u_char *data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2806 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2807 ngx_quic_frame_t dst, item;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2808 ngx_quic_ordered_frame_t f, df;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2809
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2810 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2811 "quic ngx_quic_buffer_frame");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2812
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2813 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2814
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2815 /* frame start offset is in the future, buffer it */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2816
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2817 dst = ngx_quic_alloc_frame(c, f->length);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2818 if (dst == NULL) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2819 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2820 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2821
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2822 data = dst->data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2823 ngx_memcpy(dst, frame, sizeof(ngx_quic_frame_t));
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2824 dst->data = data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2825
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2826 ngx_memcpy(dst->data, f->data, f->length);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2827
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2828 df = &dst->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2829 df->data = dst->data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2830
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2831 fs->total += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2832
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2833 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2834 "quic ordered frame with unexpected offset:"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2835 " buffered, total %ui", fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2836
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2837 if (ngx_queue_empty(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2838 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2839 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2840 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2841
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2842 for (q = ngx_queue_last(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2843 q != ngx_queue_sentinel(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2844 q = ngx_queue_prev(q))
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2845 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2846 item = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2847 f = &item->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2848
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2849 if (f->offset < df->offset) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2850 ngx_queue_insert_after(q, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2851 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2852 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2853 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2854
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2855 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2856
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2857 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2858 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2859
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2860
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2861 static ngx_int_t
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2862 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	2863 ngx_quic_frame_t *frame)
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2864 {
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2865 uint64_t last;
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2866 ngx_quic_connection_t *qc;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2867 ngx_quic_crypto_frame_t *f;
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2868 ngx_quic_frames_stream_t *fs;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2869
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2870 qc = c->quic;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2871 fs = &qc->crypto[pkt->level];
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2872 f = &frame->u.crypto;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2873
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2874 /* no overflow since both values are 62-bit */
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2875 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2876
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2877 if (last > fs->received && last - fs->received > NGX_QUIC_MAX_BUFFERED) {
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2878 c->quic->error = NGX_QUIC_ERR_CRYPTO_BUFFER_EXCEEDED;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2879 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2880 }
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2881
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2882 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	2883 NULL);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2884 }
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2885
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2886
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2887 static ngx_int_t
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2888 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	2889 {
8478 d2f716e668e8 Fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8477 diff changeset	2890 int n, sslerr;
8507 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2891 ngx_queue_t *q;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2892 ngx_ssl_conn_t *ssl_conn;
8393 e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2893 ngx_quic_send_ctx_t *ctx;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2894 ngx_quic_crypto_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2895
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2896 f = &frame->u.crypto;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2897
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2898 ssl_conn = c->ssl->connection;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2899
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2900 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2901 "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	2902 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2903 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2904
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2905 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	2906 f->data, f->length))
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2907 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2908 ngx_ssl_error(NGX_LOG_INFO, c->log, 0,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2909 "SSL_provide_quic_data() failed");
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2910 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2911 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2912
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2913 n = SSL_do_handshake(ssl_conn);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2914
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2915 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	2916
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2917 if (n == -1) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2918 sslerr = SSL_get_error(ssl_conn, n);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2919
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2920 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	2921 sslerr);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2922
8300 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	2923 if (sslerr != SSL_ERROR_WANT_READ) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2924 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	2925 return NGX_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2926 }
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2927
8302 76818c9cdd6f Sending HANDSHAKE_DONE just once with BoringSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8301 diff changeset	2928 } else if (n == 1 && !SSL_in_init(ssl_conn)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2929
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2930 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8299 4ad7d4272cd5 Style. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	2931 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn));
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2932
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2933 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2934 "quic handshake completed successfully");
8273 cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2935
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2936 c->ssl->handshaked = 1;
8526 11fc65261689 QUIC: disabled bidirectional SSL shutdown after 09fb2135a589. Sergey Kandaurov <pluknet@nginx.com> parents: 8525 diff changeset	2937 c->ssl->no_wait_shutdown = 1;
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2938
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	2939 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	2940 if (frame == NULL) {
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2941 return NGX_ERROR;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2942 }
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2943
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2944 /* 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	2945 frame->level = ssl_encryption_application;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2946 frame->type = NGX_QUIC_FT_HANDSHAKE_DONE;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2947 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	2948 ngx_quic_queue_frame(c->quic, frame);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2949
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2950 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	2951 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2952 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2953
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2954 /*
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2955 * Generating next keys before a key update is received.
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2956 * 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	2957 */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2958
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2959 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	2960 &c->quic->next_key)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2961 != NGX_OK)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2962 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2963 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2964 }
8393 e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2965
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2966 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2967 * 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	2968 * when the TLS handshake is confirmed
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2969 */
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2970 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_handshake);
8507 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2971
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2972 while (!ngx_queue_empty(&ctx->sent)) {
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2973 q = ngx_queue_head(&ctx->sent);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2974 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2975
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2976 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2977 ngx_quic_congestion_ack(c, frame);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2978 ngx_quic_free_frame(c, frame);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2979 }
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2980
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	2981 c->quic->pto_count = 0;
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2982 }
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2983
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2984 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2985 "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	2986 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2987 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2988
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2989 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2990 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2991
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2992
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2993 static ngx_int_t
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2994 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	2995 ngx_quic_frame_t *frame)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2996 {
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2997 size_t window;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2998 uint64_t last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	2999 ngx_buf_t *b;
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3000 ngx_pool_t *pool;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3001 ngx_connection_t *sc;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3002 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3003 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3004 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3005 ngx_quic_frames_stream_t *fs;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3006
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3007 qc = c->quic;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3008 f = &frame->u.stream;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3009
8427 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3010 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	3011 && (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	3012 {
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3013 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	3014 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3015 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3016
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3017 /* no overflow since both values are 62-bit */
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3018 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3019
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3020 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3021
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3022 if (sn == NULL) {
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3023 sn = ngx_quic_create_client_stream(c, f->stream_id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3024
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3025 if (sn == NULL) {
8427 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3026 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3027 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3028
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3029 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3030 return NGX_OK;
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	3031 }
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3032
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3033 sc = sn->c;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3034 fs = &sn->fs;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3035 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3036 window = b->end - b->last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3037
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3038 if (last > window) {
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3039 c->quic->error = NGX_QUIC_ERR_FLOW_CONTROL_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3040 goto cleanup;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3041 }
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3042
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3043 if (ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3044 sn)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3045 != NGX_OK)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3046 {
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3047 goto cleanup;
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3048 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3049
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3050 sc->listening->handler(sc);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3051
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3052 return NGX_OK;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3053 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3054
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3055 fs = &sn->fs;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3056 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3057 window = (b->pos - b->start) + (b->end - b->last);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3058
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3059 if (last > fs->received && last - fs->received > window) {
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3060 c->quic->error = NGX_QUIC_ERR_FLOW_CONTROL_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3061 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3062 }
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3063
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3064 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	3065 sn);
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3066
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3067 cleanup:
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3068
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3069 pool = sc->pool;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3070
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3071 ngx_close_connection(sc);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3072 ngx_destroy_pool(pool);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3073
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3074 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3075 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3076
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3077
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3078 static ngx_int_t
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3079 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	3080 {
8501 fc16e303003a QUIC: fixed possible use-after-free on stream cleanup. Sergey Kandaurov <pluknet@nginx.com> parents: 8500 diff changeset	3081 uint64_t id;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3082 ngx_buf_t *b;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3083 ngx_event_t *rev;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3084 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3085 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3086 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3087
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3088 qc = c->quic;
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3089 sn = data;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3090
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3091 f = &frame->u.stream;
8501 fc16e303003a QUIC: fixed possible use-after-free on stream cleanup. Sergey Kandaurov <pluknet@nginx.com> parents: 8500 diff changeset	3092 id = f->stream_id;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3093
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3094 b = sn->b;
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3095
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3096 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	3097 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	3098 "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	3099 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3100 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3101
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3102 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	3103 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	3104 b->pos = b->start;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3105 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3106
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3107 b->last = ngx_cpymem(b->last, f->data, f->length);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3108
8294 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3109 rev = sn->c->read;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3110 rev->ready = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3111
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3112 if (f->fin) {
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3113 rev->pending_eof = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3114 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3115
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3116 if (rev->active) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3117 rev->handler(rev);
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	3118 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	3119
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3120 /* check if stream was destroyed by handler */
8501 fc16e303003a QUIC: fixed possible use-after-free on stream cleanup. Sergey Kandaurov <pluknet@nginx.com> parents: 8500 diff changeset	3121 if (ngx_quic_find_stream(&qc->streams.tree, id) == NULL) {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3122 return NGX_DONE;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3123 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3124
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3125 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3126 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3127
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3128
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3129 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	3130 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	3131 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	3132 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3133 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3134 ngx_rbtree_t *tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3135 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	3136 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	3137 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	3138
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3139 qc = c->quic;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3140 tree = &qc->streams.tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3141
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3142 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	3143 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3144 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3145
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3146 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	3147
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3148 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	3149 node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3150 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	3151 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3152 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	3153 wev = qs->c->write;
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 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3156 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3157 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	3158 }
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 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3161
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3162 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	3163
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3164 return NGX_OK;
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
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 static ngx_int_t
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3169 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	3170 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	3171 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3172 return NGX_OK;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3173 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3174
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3175
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3176 static ngx_int_t
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3177 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	3178 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	3179 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3180 size_t n;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3181 ngx_buf_t *b;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3182 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3183 ngx_quic_stream_t *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3184 ngx_quic_connection_t *qc;
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3185
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3186 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	3187
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3188 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	3189 && (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	3190 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3191 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	3192 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3193 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3194
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3195 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	3196
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3197 if (sn == NULL) {
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3198 sn = ngx_quic_create_client_stream(c, f->id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3199
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3200 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3201 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3202 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3203
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3204 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3205 return NGX_OK;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3206 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3207
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3208 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3209 n = b->end - b->last;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3210
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3211 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3212
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3213 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3214 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3215 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3216 }
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3217
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3218 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	3219 if (frame == NULL) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3220 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3221 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3222
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3223 frame->level = pkt->level;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3224 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	3225 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	3226 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	3227
8500 12576ac9556d QUIC: fixed format specifiers and removed casts. Sergey Kandaurov <pluknet@nginx.com> parents: 8499 diff changeset	3228 ngx_sprintf(frame->info, "MAX_STREAM_DATA id:0x%xL limit:%uL level=%d",
12576ac9556d QUIC: fixed format specifiers and removed casts. Sergey Kandaurov <pluknet@nginx.com> parents: 8499 diff changeset	3229 frame->u.max_stream_data.id,
12576ac9556d QUIC: fixed format specifiers and removed casts. Sergey Kandaurov <pluknet@nginx.com> parents: 8499 diff changeset	3230 frame->u.max_stream_data.limit,
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3231 frame->level);
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3232
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3233 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	3234
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3235 return NGX_OK;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3236 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3237
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3238
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3239 static ngx_int_t
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3240 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	3241 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	3242 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3243 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3244 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3245 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	3246 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	3247
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3248 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	3249
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3250 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	3251 && (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	3252 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3253 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	3254 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3255 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3256
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3257 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	3258
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3259 if (sn == NULL) {
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3260 sn = ngx_quic_create_client_stream(c, f->id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3261
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3262 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3263 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3264 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3265
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3266 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3267 return NGX_OK;
8429 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3268 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3269
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3270 if (f->limit > sn->send_max_data) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3271 sn->send_max_data = f->limit;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3272 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3273
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3274 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3275
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3276 return NGX_OK;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3277 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3278
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3279 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	3280 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3281 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3282
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3283 sent = sn->c->sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3284
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3285 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	3286 wev = sn->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3287
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3288 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3289 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3290 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	3291 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3292 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3293
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3294 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	3295
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3296 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3297 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3298
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3299
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3300 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3301 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	3302 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	3303 {
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3304 ngx_event_t *rev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3305 ngx_connection_t *sc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3306 ngx_quic_stream_t *sn;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3307 ngx_quic_connection_t *qc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3308
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3309 qc = c->quic;
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3310
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3311 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	3312 && (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	3313 {
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3314 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3315 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3316 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3317
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3318 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3319
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3320 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3321 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3322
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3323 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3324 return NGX_ERROR;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3325 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3326
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3327 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3328 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3329 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3330
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3331 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3332
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3333 rev = sc->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3334 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3335 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3336
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3337 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3338
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3339 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3340 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3341
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3342 rev = sn->c->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3343 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3344 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3345
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3346 if (rev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3347 rev->handler(rev);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3348 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3349
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3350 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3351 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3352
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3353
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3354 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3355 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	3356 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	3357 {
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3358 ngx_event_t *wev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3359 ngx_connection_t *sc;
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3360 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	3361 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	3362
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3363 qc = c->quic;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3364
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3365 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	3366 && (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	3367 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3368 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	3369 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3370 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3371
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3372 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	3373
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3374 if (sn == NULL) {
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3375 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3376
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3377 if (sn == NULL) {
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3378 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3379 }
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3380
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3381 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3382 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3383 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3384
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3385 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3386
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3387 wev = sc->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3388 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3389 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3390
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3391 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3392
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3393 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3394 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3395
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3396 wev = sn->c->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3397 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3398 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3399
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3400 if (wev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	3401 wev->handler(wev);
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3402 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3403
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3404 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3405 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3406
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3407
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3408 static ngx_int_t
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3409 ngx_quic_handle_max_streams_frame(ngx_connection_t *c,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3410 ngx_quic_header_t pkt, ngx_quic_max_streams_frame_t f)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3411 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3412 ngx_quic_connection_t *qc;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3413
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3414 qc = c->quic;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3415
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3416 if (f->bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3417 if (qc->streams.server_max_streams_bidi < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3418 qc->streams.server_max_streams_bidi = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3419
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3420 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3421 "quic max_streams_bidi:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3422 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3423
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3424 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3425 if (qc->streams.server_max_streams_uni < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3426 qc->streams.server_max_streams_uni = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3427
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3428 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3429 "quic max_streams_uni:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3430 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3431 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3432
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3433 return NGX_OK;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3434 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3435
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3436
8531 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3437 static ngx_int_t
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3438 ngx_quic_handle_path_challenge_frame(ngx_connection_t *c,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3439 ngx_quic_header_t pkt, ngx_quic_path_challenge_frame_t f)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3440 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3441 ngx_quic_frame_t *frame;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3442
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3443 frame = ngx_quic_alloc_frame(c, 0);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3444 if (frame == NULL) {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3445 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3446 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3447
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3448 frame->level = pkt->level;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3449 frame->type = NGX_QUIC_FT_PATH_RESPONSE;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3450 frame->u.path_response = *f;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3451
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3452 ngx_sprintf(frame->info, "PATH_RESPONSE data:0x%xL level:%d",
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3453 (uint64_t ) &f->data, frame->level);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3454
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3455 ngx_quic_queue_frame(c->quic, frame);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3456
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3457 return NGX_OK;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3458 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3459
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	3460
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3461 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3462 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	3463 {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3464 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	3465
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3466 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	3467
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3468 ngx_queue_insert_tail(&ctx->frames, &frame->queue);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3469
8476 f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	3470 frame->len = ngx_quic_create_frame(NULL, frame);
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	3471 /* always succeeds */
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	3472
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	3473 if (qc->closing) {
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	3474 return;
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	3475 }
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	3476
8517 924882f42dea QUIC: do not artificially delay sending queued frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8516 diff changeset	3477 ngx_post_event(&qc->push, &ngx_posted_events);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3478 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3479
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3480
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3481 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3482 ngx_quic_output(ngx_connection_t *c)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3483 {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3484 ngx_uint_t i;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3485 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3486
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	3487 c->log->action = "sending frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	3488
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3489 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3490
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3491 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	3492 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	3493 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3494 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3495 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3496
8322 d9bc33166361 Do not set timers after the connection is closed. Vladimir Homutov <vl@nginx.com> parents: 8321 diff changeset	3497 if (!qc->send_timer_set && !qc->closing) {
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	3498 qc->send_timer_set = 1;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	3499 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	3500 }
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	3501
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3502 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3503 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3504
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3505
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3506 static ngx_int_t
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3507 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	3508 {
8476 f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	3509 size_t len, hlen;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3510 ngx_uint_t need_ack;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3511 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3512 ngx_quic_frame_t *f;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3513 ngx_quic_congestion_t *cg;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3514 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3515
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3516 qc = c->quic;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3517 cg = &qc->congestion;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3518
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3519 if (ngx_queue_empty(&ctx->frames)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3520 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3521 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3522
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3523 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	3524 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	3525
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3526 /* 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	3527 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	3528 : NGX_QUIC_MAX_LONG_HEADER;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3529 hlen += EVP_GCM_TLS_TAG_LEN;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3530
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3531 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3532 len = 0;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3533 need_ack = 0;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3534 ngx_queue_init(&range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3535
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3536 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3537 /* process group of frames that fits into packet */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3538 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	3539
8476 f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	3540 if (len && hlen + len + f->len > qc->ctp.max_udp_payload_size) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3541 break;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3542 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3543
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3544 if (f->need_ack) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3545 need_ack = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3546 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3547
8476 f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	3548 if (need_ack && cg->in_flight + len + f->len > cg->window) {
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3549 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3550 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3551
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3552 if (!qc->validated) {
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3553 /*
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3554 * Prior to validation, endpoints are limited in what they
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3555 * are able to send. During the handshake, a server cannot
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3556 * send more than three times the data it receives;
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3557 */
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3558
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3559 if (((c->sent + len + f->len) / 3) > qc->received) {
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3560 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3561 "quic hit amplification limit"
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3562 " received %uz sent %O",
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3563 qc->received, c->sent);
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3564 break;
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3565 }
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3566 }
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	3567
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3568 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3569
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3570 f->first = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3571
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3572 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3573 ngx_queue_insert_tail(&range, &f->queue);
8476 f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	3574
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	3575 len += f->len;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3576
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3577 } while (q != ngx_queue_sentinel(&ctx->frames));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3578
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3579 if (ngx_queue_empty(&range)) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3580 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3581 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3582
8473 1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3583 if (ngx_quic_send_frames(c, ctx, &range) != NGX_OK) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3584 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3585 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3586
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3587 } while (q != ngx_queue_sentinel(&ctx->frames));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3588
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3589 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3590 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3591
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3592
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3593 static void
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3594 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	3595 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3596 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3597 ngx_quic_frame_t *f;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3598
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3599 do {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3600 q = ngx_queue_head(frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3601
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3602 if (q == ngx_queue_sentinel(frames)) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3603 break;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3604 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3605
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3606 ngx_queue_remove(q);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3607
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3608 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	3609
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3610 ngx_quic_free_frame(c, f);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3611 } while (1);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3612 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3613
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 static ngx_int_t
8473 1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3616 ngx_quic_send_frames(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3617 ngx_queue_t *frames)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3618 {
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3619 ssize_t len;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3620 u_char *p;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3621 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	3622 ngx_str_t out, res;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3623 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	3624 ngx_ssl_conn_t *ssl_conn;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3625 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	3626 ngx_quic_header_t pkt;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3627 ngx_quic_secrets_t *keys;
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3628 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	3629 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	3630 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	3631 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3632
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3633 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3634 "quic ngx_quic_send_frames");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3635
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3636 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	3637
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3638 q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3639 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	3640
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3641 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3642
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3643 now = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3644
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3645 p = src;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3646 out.data = src;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3647
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3648 for (q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3649 q != ngx_queue_sentinel(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3650 q = ngx_queue_next(q))
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3651 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3652 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3653
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3654 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3655 "quic frame out: %s", f->info);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3656
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3657 len = ngx_quic_create_frame(p, f);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3658 if (len == -1) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3659 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3660 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3661
8312 053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	3662 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	3663 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	3664 }
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	3665
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3666 p += len;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3667 f->pnum = ctx->pnum;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3668 f->last = now;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3669 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3670
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3671 out.len = p - out.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3672
8301 c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3673 while (out.len < 4) {
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3674 *p++ = NGX_QUIC_FT_PADDING;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3675 out.len++;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3676 }
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3677
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3678 qc = c->quic;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3679
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3680 keys = &c->quic->keys[start->level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3681
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3682 pkt.secret = &keys->server;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3683
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3684 pkt.flags = NGX_QUIC_PKT_FIXED_BIT;
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3685
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3686 if (start->level == ssl_encryption_initial) {
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3687 pkt.flags \|= NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_INITIAL;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3688 pkt.token = initial_token;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3689
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3690 } 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	3691 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	3692
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3693 } else {
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3694 if (c->quic->key_phase) {
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3695 pkt.flags \|= NGX_QUIC_PKT_KPHASE;
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3696 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3697 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3698
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3699 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	3700
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3701 pkt.log = c->log;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3702 pkt.level = start->level;
8344 e0abe17a2878 Removed source/destination swap from the function creating header. Vladimir Homutov <vl@nginx.com> parents: 8343 diff changeset	3703 pkt.dcid = qc->scid;
e0abe17a2878 Removed source/destination swap from the function creating header. Vladimir Homutov <vl@nginx.com> parents: 8343 diff changeset	3704 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	3705 pkt.payload = out;
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8284 diff changeset	3706
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3707 res.data = dst;
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8284 diff changeset	3708
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3709 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3710 "quic packet ready: %ui bytes at level %d"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3711 " need_ack: %d number: %L encoded %d:0x%xD",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3712 out.len, start->level, pkt.need_ack, pkt.number,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3713 pkt.num_len, pkt.trunc);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3714
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3715 if (ngx_quic_encrypt(&pkt, ssl_conn, &res) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3716 return NGX_ERROR;
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
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3719 len = c->send(c, res.data, res.len);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3720 if (len == NGX_ERROR \|\| (size_t) len != res.len) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3721 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3722 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3723
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3724 /* 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	3725 ctx->pnum++;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3726
8473 1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3727 if (pkt.need_ack) {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3728 /* move frames into the sent queue to wait for ack */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3729
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3730 if (qc->closing) {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3731 /* if we are closing, any ack will be discarded */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3732 ngx_quic_free_frames(c, frames);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3733
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3734 } else {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3735 ngx_queue_add(&ctx->sent, frames);
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3736 if (qc->pto.timer_set) {
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3737 ngx_del_timer(&qc->pto);
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3738 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3739 ngx_add_timer(&qc->pto, ngx_quic_pto(c, ctx));
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	3740
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	3741 start->plen = len;
8473 1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3742 }
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3743
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	3744 qc->congestion.in_flight += len;
8473 1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3745
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3746 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3747 "quic congestion send if:%uz",
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3748 qc->congestion.in_flight);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3749 } else {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3750 /* no ack is expected for this frames, so we can free them */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3751 ngx_quic_free_frames(c, frames);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3752 }
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3753
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	3754 return NGX_OK;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3755 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3756
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3757
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3758 static void
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3759 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	3760 {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3761 uint64_t delta;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3762
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3763 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	3764 pkt->number = ctx->pnum;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3765
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3766 if (delta <= 0x7F) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3767 pkt->num_len = 1;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3768 pkt->trunc = ctx->pnum & 0xff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3769
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3770 } else if (delta <= 0x7FFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3771 pkt->num_len = 2;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3772 pkt->flags \|= 0x1;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3773 pkt->trunc = ctx->pnum & 0xffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3774
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3775 } else if (delta <= 0x7FFFFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3776 pkt->num_len = 3;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3777 pkt->flags \|= 0x2;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3778 pkt->trunc = ctx->pnum & 0xffffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3779
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3780 } else {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3781 pkt->num_len = 4;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3782 pkt->flags \|= 0x3;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3783 pkt->trunc = ctx->pnum & 0xffffffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3784 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3785 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3786
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3787
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3788 static void
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	3789 ngx_quic_pto_handler(ngx_event_t *ev)
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3790 {
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3791 ngx_uint_t i;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3792 ngx_queue_t *q;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3793 ngx_connection_t *c;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3794 ngx_quic_frame_t *start;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3795 ngx_quic_send_ctx_t *ctx;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3796 ngx_quic_connection_t *qc;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3797
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	3798 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic pto timer");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3799
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3800 c = ev->data;
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3801 qc = c->quic;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3802
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3803 qc->pto_count++;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3804
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3805 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3806
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3807 ctx = &qc->send_ctx[i];
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3808
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3809 if (ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3810 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3811 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3812
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3813 q = ngx_queue_head(&ctx->sent);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3814 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3815
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3816 if (start->pnum <= ctx->largest_ack
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3817 && ctx->largest_ack != (uint64_t) -1)
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3818 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3819 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3820 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3821
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3822 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8519 de7d6d943f68 QUIC: fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8518 diff changeset	3823 "quic pto pnum:%uL pto_count:%ui level:%d",
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3824 start->pnum, c->quic->pto_count, start->level);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3825
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3826 if (ngx_quic_resend_frames(c, ctx, start) != NGX_OK) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3827 ngx_quic_close_connection(c, NGX_ERROR);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3828 return;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3829 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3830 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3831 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3832
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3833
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3834 static void
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3835 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3836 {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3837 ngx_connection_t *c;
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3838
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3839 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	3840
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3841 c = ev->data;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3842
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3843 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	3844 ngx_quic_close_connection(c, NGX_ERROR);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3845 return;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3846 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3847 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3848
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3849
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3850 static
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3851 void ngx_quic_lost_handler(ngx_event_t *ev)
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3852 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3853 ngx_connection_t *c;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3854
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3855 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic lost timer");
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3856
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3857 c = ev->data;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3858
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3859 if (ngx_quic_detect_lost(c) != NGX_OK) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3860 ngx_quic_close_connection(c, NGX_ERROR);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3861 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3862 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3863
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3864
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3865 static ngx_int_t
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3866 ngx_quic_detect_lost(ngx_connection_t *c)
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3867 {
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3868 ngx_uint_t i;
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3869 ngx_msec_t now, wait, min_wait, thr;
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3870 ngx_queue_t *q;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3871 ngx_quic_frame_t *start;
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3872 ngx_quic_send_ctx_t *ctx;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3873 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3874
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3875 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3876 now = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3877
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3878 min_wait = 0;
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3879
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3880 thr = NGX_QUIC_TIME_THR * ngx_max(qc->latest_rtt, qc->avg_rtt);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3881 thr = ngx_max(thr, NGX_QUIC_TIME_GRANULARITY);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3882
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3883 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3884
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3885 ctx = &qc->send_ctx[i];
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3886
8515 4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	3887 if (ctx->largest_ack == (uint64_t) -1) {
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	3888 continue;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	3889 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	3890
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3891 while (!ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3892
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3893 q = ngx_queue_head(&ctx->sent);
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3894 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3895
8515 4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	3896 if (start->pnum > ctx->largest_ack) {
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	3897 break;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	3898 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	3899
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3900 wait = start->last + thr - now;
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3901
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3902 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8519 de7d6d943f68 QUIC: fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8518 diff changeset	3903 "quic detect_lost pnum:%uL thr:%M wait:%i level:%d",
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3904 start->pnum, thr, (ngx_int_t) wait, start->level);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3905
8516 355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8515 diff changeset	3906 if ((ngx_msec_int_t) wait > 0
355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8515 diff changeset	3907 && ctx->largest_ack - start->pnum < NGX_QUIC_PKT_THR)
355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8515 diff changeset	3908 {
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3909
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3910 if (min_wait == 0 \|\| wait < min_wait) {
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3911 min_wait = wait;
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3912 }
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3913
8516 355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8515 diff changeset	3914 break;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3915 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3916
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3917 if (ngx_quic_resend_frames(c, ctx, start) != NGX_OK) {
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3918 return NGX_ERROR;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3919 }
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3920 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3921 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3922
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3923 /* no more preceeding packets */
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3924
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3925 if (min_wait == 0) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3926 qc->pto.handler = ngx_quic_pto_handler;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3927 return NGX_OK;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3928 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3929
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3930 qc->pto.handler = ngx_quic_lost_handler;
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3931
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3932 if (qc->pto.timer_set) {
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3933 ngx_del_timer(&qc->pto);
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3934 }
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	3935
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3936 ngx_add_timer(&qc->pto, min_wait);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3937
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3938 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3939 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3940
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3941
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3942 static ngx_int_t
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3943 ngx_quic_resend_frames(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3944 ngx_quic_frame_t *start)
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3945 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3946 ngx_queue_t *q, range;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3947 ngx_quic_frame_t *f;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3948
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3949 ngx_queue_init(&range);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3950
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3951 /* send frames with same packet number to the wire */
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3952
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3953 q = ngx_queue_head(&ctx->sent);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3954
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3955 do {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3956 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3957
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3958 if (f->pnum != start->pnum) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3959 break;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3960 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3961
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3962 q = ngx_queue_next(q);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3963
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3964 ngx_queue_remove(&f->queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3965 ngx_queue_insert_tail(&range, &f->queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3966
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3967 } while (q != ngx_queue_sentinel(&ctx->sent));
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3968
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3969 ngx_quic_congestion_lost(c, start);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3970
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3971 return ngx_quic_send_frames(c, ctx, &range);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3972 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3973
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3974
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3975 ngx_connection_t *
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3976 ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3977 {
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3978 size_t rcvbuf_size;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3979 uint64_t id;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3980 ngx_quic_stream_t qs, sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3981 ngx_quic_connection_t *qc;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3982
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3983 qs = c->qs;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3984 qc = qs->parent->quic;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3985
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3986 if (bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3987 if (qc->streams.server_streams_bidi
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3988 >= qc->streams.server_max_streams_bidi)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3989 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3990 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3991 "quic too many server bidi streams: %uL",
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3992 qc->streams.server_streams_bidi);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3993 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3994 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3995
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3996 id = (qc->streams.server_streams_bidi << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3997 \| NGX_QUIC_STREAM_SERVER_INITIATED;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3998
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	3999 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8499 b0e74a54c98b QUIC: consistent Stream ID logging format. Sergey Kandaurov <pluknet@nginx.com> parents: 8496 diff changeset	4000 "quic creating server bidi stream %uL/%uL id:0x%xL",
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4001 qc->streams.server_streams_bidi,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4002 qc->streams.server_max_streams_bidi, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4003
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4004 qc->streams.server_streams_bidi++;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4005 rcvbuf_size = qc->tp.initial_max_stream_data_bidi_local;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4006
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4007 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4008 if (qc->streams.server_streams_uni
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4009 >= qc->streams.server_max_streams_uni)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4010 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4011 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4012 "quic too many server uni streams: %uL",
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4013 qc->streams.server_streams_uni);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4014 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4015 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4016
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4017 id = (qc->streams.server_streams_uni << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4018 \| NGX_QUIC_STREAM_SERVER_INITIATED
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4019 \| NGX_QUIC_STREAM_UNIDIRECTIONAL;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4020
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4021 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8499 b0e74a54c98b QUIC: consistent Stream ID logging format. Sergey Kandaurov <pluknet@nginx.com> parents: 8496 diff changeset	4022 "quic creating server uni stream %uL/%uL id:0x%xL",
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4023 qc->streams.server_streams_uni,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4024 qc->streams.server_max_streams_uni, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4025
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4026 qc->streams.server_streams_uni++;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4027 rcvbuf_size = 0;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4028 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4029
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4030 sn = ngx_quic_create_stream(qs->parent, id, rcvbuf_size);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4031 if (sn == NULL) {
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4032 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4033 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4034
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4035 return sn->c;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4036 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4037
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4038
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4039 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4040 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4041 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4042 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4043 ngx_rbtree_node_t **p;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4044 ngx_quic_stream_t qn, qnt;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4045
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4046 for ( ;; ) {
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	4047 qn = (ngx_quic_stream_t *) node;
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	4048 qnt = (ngx_quic_stream_t *) temp;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4049
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	4050 p = (qn->id < qnt->id) ? &temp->left : &temp->right;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4051
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4052 if (*p == sentinel) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4053 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4054 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4055
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4056 temp = *p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4057 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4058
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4059 *p = node;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4060 node->parent = temp;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4061 node->left = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4062 node->right = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4063 ngx_rbt_red(node);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4064 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4065
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4066
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4067 static ngx_quic_stream_t *
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	4068 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	4069 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4070 ngx_rbtree_node_t node, sentinel;
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	4071 ngx_quic_stream_t *qn;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4072
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4073 node = rbtree->root;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4074 sentinel = rbtree->sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4075
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4076 while (node != sentinel) {
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	4077 qn = (ngx_quic_stream_t *) node;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4078
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	4079 if (id == qn->id) {
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	4080 return qn;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4081 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4082
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	4083 node = (id < qn->id) ? node->left : node->right;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4084 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4085
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4086 return NULL;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4087 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4088
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4089
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4090 static ngx_quic_stream_t *
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4091 ngx_quic_create_client_stream(ngx_connection_t *c, uint64_t id)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4092 {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4093 size_t n;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4094 uint64_t min_id;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4095 ngx_quic_stream_t *sn;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4096 ngx_quic_connection_t *qc;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4097
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4098 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4099 "quic stream id 0x%xL is new", id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4100
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4101 qc = c->quic;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4102
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4103 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4104
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4105 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4106 if ((id >> 2) < qc->streams.server_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4107 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4108 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4109
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4110 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4111 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4112 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4113
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4114 if ((id >> 2) < qc->streams.client_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4115 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4116 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4117
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4118 if ((id >> 2) >= qc->streams.client_max_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4119 qc->error = NGX_QUIC_ERR_STREAM_LIMIT_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4120 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4121 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4122
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4123 min_id = (qc->streams.client_streams_uni << 2)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4124 \| NGX_QUIC_STREAM_UNIDIRECTIONAL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4125 qc->streams.client_streams_uni = (id >> 2) + 1;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4126 n = qc->tp.initial_max_stream_data_uni;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4127
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4128 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4129
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4130 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4131 if ((id >> 2) < qc->streams.server_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4132 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4133 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4134
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4135 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4136 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4137 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4138
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4139 if ((id >> 2) < qc->streams.client_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4140 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4141 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4142
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4143 if ((id >> 2) >= qc->streams.client_max_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4144 qc->error = NGX_QUIC_ERR_STREAM_LIMIT_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4145 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4146 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4147
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4148 min_id = (qc->streams.client_streams_bidi << 2);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4149 qc->streams.client_streams_bidi = (id >> 2) + 1;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4150 n = qc->tp.initial_max_stream_data_bidi_remote;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4151 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4152
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4153 if (n < NGX_QUIC_STREAM_BUFSIZE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4154 n = NGX_QUIC_STREAM_BUFSIZE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4155 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4156
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4157 /*
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4158 * 2.1. Stream Types and Identifiers
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4159 *
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4160 * Within each type, streams are created with numerically increasing
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4161 * stream IDs. A stream ID that is used out of order results in all
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4162 * streams of that type with lower-numbered stream IDs also being
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4163 * opened.
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4164 */
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4165
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4166 for ( /* void */ ; min_id < id; min_id += 0x04) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4167
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4168 sn = ngx_quic_create_stream(c, min_id, n);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4169 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4170 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4171 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4172
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4173 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4174 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4175
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4176 return ngx_quic_create_stream(c, id, n);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4177 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4178
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4179
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4180 static ngx_quic_stream_t *
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4181 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	4182 {
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4183 ngx_log_t *log;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4184 ngx_pool_t *pool;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4185 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	4186 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	4187 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	4188
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4189 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8499 b0e74a54c98b QUIC: consistent Stream ID logging format. Sergey Kandaurov <pluknet@nginx.com> parents: 8496 diff changeset	4190 "quic stream id 0x%xL create", id);
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4191
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4192 qc = c->quic;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4193
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4194 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4195 if (pool == NULL) {
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4196 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4197 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4198
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4199 sn = ngx_pcalloc(pool, sizeof(ngx_quic_stream_t));
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4200 if (sn == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4201 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4202 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4203 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4204
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4205 sn->node.key = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4206 sn->parent = c;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4207 sn->id = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4208
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4209 sn->b = ngx_create_temp_buf(pool, rcvbuf_size);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4210 if (sn->b == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4211 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4212 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4213 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4214
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4215 ngx_queue_init(&sn->fs.frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4216
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4217 log = ngx_palloc(pool, sizeof(ngx_log_t));
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4218 if (log == NULL) {
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4219 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4220 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4221 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4222
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4223 log = c->log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4224 pool->log = log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4225
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4226 sn->c = ngx_get_connection(-1, log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4227 if (sn->c == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4228 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4229 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4230 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4231
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4232 sn->c->qs = sn;
8482 893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	4233 sn->c->type = SOCK_STREAM;
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4234 sn->c->pool = pool;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4235 sn->c->ssl = c->ssl;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4236 sn->c->sockaddr = c->sockaddr;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4237 sn->c->listening = c->listening;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4238 sn->c->addr_text = c->addr_text;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4239 sn->c->local_sockaddr = c->local_sockaddr;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4240 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	4241
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4242 sn->c->recv = ngx_quic_stream_recv;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4243 sn->c->send = ngx_quic_stream_send;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4244 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	4245
8479 b250b515e5b6 QUIC: fixed stream read event log. Roman Arutyunyan <arut@nginx.com> parents: 8478 diff changeset	4246 sn->c->read->log = log;
b250b515e5b6 QUIC: fixed stream read event log. Roman Arutyunyan <arut@nginx.com> parents: 8478 diff changeset	4247 sn->c->write->log = log;
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4248
8362 44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 8361 diff changeset	4249 log->connection = sn->c->number;
44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 8361 diff changeset	4250
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4251 if ((id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4252 \|\| (id & NGX_QUIC_STREAM_SERVER_INITIATED))
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 sn->c->write->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4255 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4256
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4257 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	4258 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	4259 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	4260 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4261
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4262 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4263 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	4264 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	4265 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4266 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	4267 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4268 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4269
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4270 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	4271 if (cln == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4272 ngx_close_connection(sn->c);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4273 ngx_destroy_pool(pool);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4274 return NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4275 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4276
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4277 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	4278 cln->data = sn->c;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4279
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4280 ngx_rbtree_insert(&c->quic->streams.tree, &sn->node);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	4281
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4282 return sn;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4283 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4284
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	4285
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4286 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4287 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	4288 {
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4289 ssize_t len;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4290 ngx_buf_t *b;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4291 ngx_event_t *rev;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4292 ngx_connection_t *pc;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4293 ngx_quic_frame_t *frame;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4294 ngx_quic_stream_t *qs;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4295 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4296
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4297 qs = c->qs;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4298 b = qs->b;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4299 pc = qs->parent;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4300 qc = pc->quic;
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	4301 rev = c->read;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4302
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	4303 if (rev->error) {
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	4304 return NGX_ERROR;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	4305 }
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	4306
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4307 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478 d2f716e668e8 Fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8477 diff changeset	4308 "quic stream id 0x%xL recv: eof:%d, avail:%z",
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4309 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	4310
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4311 if (b->pos == b->last) {
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	4312 rev->ready = 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	4313
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	4314 if (rev->pending_eof) {
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	4315 rev->eof = 1;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	4316 return 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	4317 }
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	4318
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4319 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478 d2f716e668e8 Fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8477 diff changeset	4320 "quic stream id 0x%xL recv() not ready", qs->id);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4321 return NGX_AGAIN;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4322 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4323
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4324 len = ngx_min(b->last - b->pos, (ssize_t) size);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4325
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4326 ngx_memcpy(buf, b->pos, len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4327
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4328 b->pos += len;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4329 qc->streams.received += len;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4330
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4331 if (b->pos == b->last) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4332 b->pos = b->start;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4333 b->last = b->start;
8294 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	4334 rev->ready = rev->pending_eof;
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4335 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	4336
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4337 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478 d2f716e668e8 Fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8477 diff changeset	4338 "quic stream id 0x%xL recv: %z of %uz", qs->id, len, size);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4339
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4340 if (!rev->pending_eof) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4341 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4342 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4343 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4344 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4345
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4346 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4347 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4348 frame->u.max_stream_data.id = qs->id;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4349 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	4350 + (b->end - b->last);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4351
8499 b0e74a54c98b QUIC: consistent Stream ID logging format. Sergey Kandaurov <pluknet@nginx.com> parents: 8496 diff changeset	4352 ngx_sprintf(frame->info,
8500 12576ac9556d QUIC: fixed format specifiers and removed casts. Sergey Kandaurov <pluknet@nginx.com> parents: 8499 diff changeset	4353 "MAX_STREAM_DATA id:0x%xL limit:%uL l=%d on recv",
12576ac9556d QUIC: fixed format specifiers and removed casts. Sergey Kandaurov <pluknet@nginx.com> parents: 8499 diff changeset	4354 frame->u.max_stream_data.id,
12576ac9556d QUIC: fixed format specifiers and removed casts. Sergey Kandaurov <pluknet@nginx.com> parents: 8499 diff changeset	4355 frame->u.max_stream_data.limit,
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4356 frame->level);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4357
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4358 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4359 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4360
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4361 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	4362
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4363 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4364
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4365 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4366 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4367 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4368
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4369 qc->streams.recv_max_data *= 2;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4370
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4371 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4372 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	4373 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	4374
8500 12576ac9556d QUIC: fixed format specifiers and removed casts. Sergey Kandaurov <pluknet@nginx.com> parents: 8499 diff changeset	4375 ngx_sprintf(frame->info, "MAX_DATA max_data:%uL level=%d on recv",
12576ac9556d QUIC: fixed format specifiers and removed casts. Sergey Kandaurov <pluknet@nginx.com> parents: 8499 diff changeset	4376 frame->u.max_data.max_data, frame->level);
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4377
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4378 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4379
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4380 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478 d2f716e668e8 Fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8477 diff changeset	4381 "quic stream id 0x%xL recv: increased max data: %uL",
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4382 qs->id, qc->streams.recv_max_data);
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4383 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	4384
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4385 return len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4386 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4387
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4388
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4389 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4390 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	4391 {
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4392 ngx_buf_t b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4393 ngx_chain_t cl;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4394
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4395 ngx_memzero(&b, sizeof(ngx_buf_t));
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4396
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4397 b.memory = 1;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4398 b.pos = buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4399 b.last = buf + size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4400
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4401 cl.buf = &b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4402 cl.next = NULL;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4403
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4404 if (ngx_quic_stream_send_chain(c, &cl, 0) == NGX_CHAIN_ERROR) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4405 return NGX_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4406 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4407
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4408 if (b.pos == buf) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4409 return NGX_AGAIN;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4410 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4411
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4412 return b.pos - buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4413 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4414
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4415
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4416 static ngx_chain_t *
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4417 ngx_quic_stream_send_chain(ngx_connection_t c, ngx_chain_t in, off_t limit)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4418 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4419 u_char *p;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4420 size_t n, max, max_frame, max_flow, max_limit, len;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4421 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4422 size_t sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4423 #endif
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4424 ngx_buf_t *b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4425 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4426 ngx_uint_t nframes;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4427 #endif
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	4428 ngx_event_t *wev;
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4429 ngx_chain_t *cl;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4430 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4431 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4432 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4433 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4434
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4435 qs = c->qs;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4436 pc = qs->parent;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4437 qc = pc->quic;
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	4438 wev = c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	4439
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	4440 if (wev->error) {
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4441 return NGX_CHAIN_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4442 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4443
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4444 max_frame = ngx_quic_max_stream_frame(qc);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4445 max_flow = ngx_quic_max_stream_flow(c);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4446 max_limit = limit;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4447
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4448 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4449 sent = 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4450 nframes = 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4451 #endif
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4452
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4453 for ( ;; ) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4454 max = ngx_min(max_frame, max_flow);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4455
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4456 if (limit) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4457 max = ngx_min(max, max_limit);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4458 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4459
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4460 for (cl = in, n = 0; in; in = in->next) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4461
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4462 if (!ngx_buf_in_memory(in->buf)) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4463 continue;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4464 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4465
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4466 n += ngx_buf_size(in->buf);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4467
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4468 if (n > max) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4469 n = max;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4470 break;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4471 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4472 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4473
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4474 if (n == 0) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4475 wev->ready = (max_flow ? 1 : 0);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4476 break;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4477 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4478
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4479 frame = ngx_quic_alloc_frame(pc, n);
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4480 if (frame == NULL) {
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4481 return NGX_CHAIN_ERROR;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4482 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4483
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4484 frame->level = ssl_encryption_application;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4485 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	4486 frame->u.stream.off = 1;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4487 frame->u.stream.len = 1;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4488 frame->u.stream.fin = 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4489
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4490 frame->u.stream.type = frame->type;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4491 frame->u.stream.stream_id = qs->id;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4492 frame->u.stream.offset = c->sent;
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4493 frame->u.stream.length = n;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4494 frame->u.stream.data = frame->data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4495
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4496 ngx_sprintf(frame->info, "STREAM id:0x%xL len:%uz level:%d",
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4497 qs->id, n, frame->level);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4498
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4499 c->sent += n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4500 qc->streams.sent += n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4501 max_flow -= n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4502
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4503 if (limit) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4504 max_limit -= n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4505 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4506
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4507 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4508 sent += n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4509 nframes++;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4510 #endif
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4511
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4512 for (p = frame->data; n > 0; cl = cl->next) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4513 b = cl->buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4514
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4515 if (!ngx_buf_in_memory(b)) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4516 continue;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4517 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4518
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4519 len = ngx_min(n, (size_t) (b->last - b->pos));
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4520 p = ngx_cpymem(p, b->pos, len);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4521
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4522 b->pos += len;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4523 n -= len;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4524 }
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4525
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	4526 ngx_quic_queue_frame(qc, frame);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4527 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4528
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4529 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4530 "quic send_chain sent:%uz, frames:%ui", sent, nframes);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4531
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4532 return in;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4533 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4534
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4535
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4536 static size_t
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4537 ngx_quic_max_stream_frame(ngx_quic_connection_t *qc)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4538 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4539 /*
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4540 * we need to fit at least 1 frame into a packet, thus account head/tail;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4541 * 25 = 1 + 8x3 is max header for STREAM frame, with 1 byte for frame type
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4542 */
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4543
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4544 return qc->ctp.max_udp_payload_size - NGX_QUIC_MAX_SHORT_HEADER - 25
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4545 - EVP_GCM_TLS_TAG_LEN;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4546 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4547
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4548
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4549 static size_t
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4550 ngx_quic_max_stream_flow(ngx_connection_t *c)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4551 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4552 size_t size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4553 uint64_t sent, unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4554 ngx_quic_stream_t *qs;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4555 ngx_quic_connection_t *qc;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4556
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4557 qs = c->qs;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4558 qc = qs->parent->quic;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4559
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4560 size = NGX_QUIC_STREAM_BUFSIZE;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4561 sent = c->sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4562 unacked = sent - qs->acked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4563
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4564 if (qc->streams.send_max_data == 0) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4565 qc->streams.send_max_data = qc->ctp.initial_max_data;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4566 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4567
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4568 if (unacked >= NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4569 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4570 "quic send flow hit buffer size");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4571 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4572 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4573
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4574 if (unacked + size > NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4575 size = NGX_QUIC_STREAM_BUFSIZE - unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4576 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4577
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4578 if (qc->streams.sent >= qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4579 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4580 "quic send flow hit MAX_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4581 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4582 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4583
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4584 if (qc->streams.sent + size > qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4585 size = qc->streams.send_max_data - qc->streams.sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4586 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4587
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4588 if (sent >= qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4589 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4590 "quic send flow hit MAX_STREAM_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4591 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4592 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4593
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4594 if (sent + size > qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4595 size = qs->send_max_data - sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4596 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4597
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4598 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4599 "quic send flow: %uz", size);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4600
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	4601 return size;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4602 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4603
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4604
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4605 static void
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4606 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	4607 {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4608 ngx_connection_t *c = data;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4609
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4610 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4611 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4612 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	4613 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	4614
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4615 qs = c->qs;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4616 pc = qs->parent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4617 qc = pc->quic;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4618
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4619 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478 d2f716e668e8 Fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8477 diff changeset	4620 "quic stream id 0x%xL cleanup", qs->id);
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	4621
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	4622 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	4623 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	4624
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	4625 if (qc->closing) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	4626 /* 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	4627 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	4628 return;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	4629 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	4630
8528 97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4631 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4632 \|\| (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0)
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4633 {
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4634 if (!c->read->eof && !c->read->error) {
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4635 frame = ngx_quic_alloc_frame(pc, 0);
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4636 if (frame == NULL) {
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4637 return;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4638 }
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4639
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4640 frame->level = ssl_encryption_application;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4641 frame->type = NGX_QUIC_FT_STOP_SENDING;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4642 frame->u.stop_sending.id = qs->id;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4643 frame->u.stop_sending.error_code = 0x100; /* HTTP/3 no error */
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4644
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4645 ngx_sprintf(frame->info, "STOP_SENDING id:0x%xL err:0x%xL level:%d",
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4646 qs->id, frame->u.stop_sending.error_code, frame->level);
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4647
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4648 ngx_quic_queue_frame(qc, frame);
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4649 }
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4650 }
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	4651
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4652 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0) {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4653 frame = ngx_quic_alloc_frame(pc, 0);
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4654 if (frame == NULL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4655 return;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4656 }
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4657
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4658 frame->level = ssl_encryption_application;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4659 frame->type = NGX_QUIC_FT_MAX_STREAMS;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4660
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4661 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4662 frame->u.max_streams.limit = ++qc->streams.client_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4663 frame->u.max_streams.bidi = 0;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4664
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4665 } else {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4666 frame->u.max_streams.limit = ++qc->streams.client_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4667 frame->u.max_streams.bidi = 1;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4668 }
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4669
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4670 ngx_sprintf(frame->info, "MAX_STREAMS limit:%uL bidi:%ui level=%d",
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4671 frame->u.max_streams.limit,
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4672 frame->u.max_streams.bidi,
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4673 (int) frame->level);
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4674
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4675 ngx_quic_queue_frame(qc, frame);
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4676
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4677 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4678 /* do not send fin for client unidirectional streams */
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4679 return;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	4680 }
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4681 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4682
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4683 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478 d2f716e668e8 Fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8477 diff changeset	4684 "quic stream id 0x%xL send fin", qs->id);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4685
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4686 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	4687 if (frame == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4688 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4689 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4690
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4691 frame->level = ssl_encryption_application;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4692 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	4693 frame->u.stream.off = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4694 frame->u.stream.len = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4695 frame->u.stream.fin = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4696
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4697 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	4698 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	4699 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	4700 frame->u.stream.length = 0;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4701 frame->u.stream.data = NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4702
8478 d2f716e668e8 Fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8477 diff changeset	4703 ngx_sprintf(frame->info, "stream 0x%xL fin=1 level=%d",
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4704 qs->id, frame->level);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4705
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4706 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	4707
1ec905f4d851 Push QUIC stream frames in send() and cleanup handler. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	4708 (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	4709 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4710
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	4711
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4712 static ngx_quic_frame_t *
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4713 ngx_quic_alloc_frame(ngx_connection_t *c, size_t size)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4714 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4715 u_char *p;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4716 ngx_queue_t *q;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4717 ngx_quic_frame_t *frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4718 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4719
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4720 if (size) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4721 p = ngx_alloc(size, c->log);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4722 if (p == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4723 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4724 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4725
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4726 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4727 p = NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4728 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4729
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4730 qc = c->quic;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4731
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4732 if (!ngx_queue_empty(&qc->free_frames)) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4733
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4734 q = ngx_queue_head(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4735 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	4736
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4737 ngx_queue_remove(&frame->queue);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4738
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4739 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4740 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4741 "quic reuse frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4742 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4743
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4744 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4745 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4746 if (frame == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4747 ngx_free(p);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4748 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4749 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4750
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4751 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4752 ++qc->nframes;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4753 #endif
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4754
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4755 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4756 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4757 "quic alloc frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4758 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4759 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4760
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4761 ngx_memzero(frame, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4762
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4763 frame->data = p;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4764
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4765 return frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4766 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4767
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4768
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4769 static void
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4770 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	4771 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4772 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4773 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4774 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4775
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4776 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4777 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4778 }
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4779
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4780 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4781 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4782
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4783 cg->in_flight -= f->plen;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4784
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4785 timer = f->last - cg->recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4786
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4787 if ((ngx_msec_int_t) timer <= 0) {
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4788 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4789 "quic congestion ack recovery win:%uz, ss:%uz, if:%uz",
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4790 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4791
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4792 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4793 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4794
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4795 if (cg->window < cg->ssthresh) {
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4796 cg->window += f->plen;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4797
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4798 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4799 "quic congestion slow start win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4800 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4801
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4802 } else {
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4803 cg->window += qc->tp.max_udp_payload_size * f->plen / cg->window;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4804
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4805 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4806 "quic congestion avoidance win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4807 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4808 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4809
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4810 /* prevent recovery_start from wrapping */
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4811
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4812 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	4813
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4814 if ((ngx_msec_int_t) timer < 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4815 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	4816 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4817 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4818
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4819
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4820 static void
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4821 ngx_quic_congestion_lost(ngx_connection_t c, ngx_quic_frame_t f)
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4822 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4823 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4824 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4825 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4826
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4827 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4828 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4829 }
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4830
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4831 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4832 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4833
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4834 cg->in_flight -= f->plen;
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4835
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4836 timer = f->last - cg->recovery_start;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4837
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4838 if ((ngx_msec_int_t) timer <= 0) {
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4839 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4840 "quic congestion lost recovery win:%uz, ss:%uz, if:%uz",
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4841 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4842
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4843 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4844 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4845
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4846 cg->recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4847 cg->window /= 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4848
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	4849 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	4850 cg->window = qc->tp.max_udp_payload_size * 2;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4851 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4852
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4853 cg->ssthresh = cg->window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4854
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4855 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4856 "quic congestion lost win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4857 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4858 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4859
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4860
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4861 static void
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4862 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	4863 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4864 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4865
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4866 qc = c->quic;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4867
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4868 if (frame->data) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4869 ngx_free(frame->data);
8394 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 8393 diff changeset	4870 frame->data = NULL;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4871 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4872
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4873 ngx_queue_insert_head(&qc->free_frames, &frame->queue);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4874
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4875 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4876 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4877 "quic free frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4878 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4879 }

Mercurial > hg > nginx

annotate src/event/ngx_event_quic.c @ 8531:4ff2a0b747d1 quic