nginx: src/event/ngx_event

annotate src/event/ngx_event_quic.c @ 8428:953cf44708b0 quic

Stream ID handling in RESET_STREAM and STOP_SENDING frames.

author	Sergey Kandaurov <pluknet@nginx.com>
date	Fri, 05 Jun 2020 20:59:27 +0300
parents	d437ee1ce81e
children	8fc9fcf18608

rev	line source
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2 /*
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	3 * Copyright (C) Nginx, Inc.
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	4 */
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	5
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	6
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	7 #include <ngx_config.h>
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	8 #include <ngx_core.h>
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	9 #include <ngx_event.h>
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	10
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	11
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	12 /* 0-RTT and 1-RTT data exist in the same packet number space,
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	13 * so we have 3 packet number spaces:
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	14 *
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	15 * 0 - Initial
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	16 * 1 - Handshake
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	17 * 2 - 0-RTT and 1-RTT
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	18 */
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	19 #define ngx_quic_get_send_ctx(qc, level) \
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	20 ((level) == ssl_encryption_initial) ? &((qc)->send_ctx[0]) \
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	21 : (((level) == ssl_encryption_handshake) ? &((qc)->send_ctx[1]) \
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	22 : &((qc)->send_ctx[2]))
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	23
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	24 #define NGX_QUIC_SEND_CTX_LAST (NGX_QUIC_ENCRYPTION_LAST - 1)
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	25
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	26 #define NGX_QUIC_STREAMS_INC 16
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	27 #define NGX_QUIC_STREAMS_LIMIT (1ULL < 60)
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	28
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	29 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	30 * 7.4. Cryptographic Message Buffering
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	31 * Implementations MUST support buffering at least 4096 bytes of data
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	32 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	33 #define NGX_QUIC_MAX_BUFFERED 65535
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	34
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	35
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	36 typedef struct {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	37 ngx_rbtree_t tree;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	38 ngx_rbtree_node_t sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	39 ngx_connection_handler_pt handler;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	40
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	41 ngx_uint_t id_counter;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	42
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	43 uint64_t received;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	44 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	45 uint64_t recv_max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	46 uint64_t send_max_data;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	47 } ngx_quic_streams_t;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	48
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	49
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	50 typedef struct {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	51 size_t in_flight;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	52 size_t window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	53 size_t ssthresh;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	54 ngx_msec_t recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	55 } ngx_quic_congestion_t;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	56
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	57
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	58 /*
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	59 * 12.3. Packet Numbers
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	60 *
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	61 * Conceptually, a packet number space is the context in which a packet
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	62 * can be processed and acknowledged. Initial packets can only be sent
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	63 * with Initial packet protection keys and acknowledged in packets which
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	64 * are also Initial packets.
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	65 */
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	66 typedef struct {
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	67 ngx_quic_secret_t client_secret;
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	68 ngx_quic_secret_t server_secret;
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	69
8401 d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	70 uint64_t pnum; /* to be sent */
d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	71 uint64_t largest_ack; /* received from peer */
d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	72 uint64_t largest_pn; /* received from peer */
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	73
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	74 ngx_queue_t frames;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	75 ngx_queue_t sent;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	76 } ngx_quic_send_ctx_t;
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	77
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	78
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	79 struct ngx_quic_connection_s {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	80 ngx_str_t scid;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	81 ngx_str_t dcid;
8381 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	82 ngx_str_t odcid;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	83 ngx_str_t token;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	84
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	85 ngx_uint_t client_tp_done;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	86 ngx_quic_tp_t tp;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	87 ngx_quic_tp_t ctp;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	88
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	89 enum ssl_encryption_level_t state;
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	90
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	91 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	92 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	93 ngx_quic_secrets_t next_key;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	94 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	95
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	96 ngx_ssl_t *ssl;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	97
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	98 ngx_event_t push;
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	99 ngx_event_t retransmit;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	100 ngx_event_t close;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	101 ngx_queue_t free_frames;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	102 ngx_msec_t last_cc;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	103
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	104 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	105 ngx_uint_t nframes;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	106 #endif
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	107
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	108 ngx_quic_streams_t streams;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	109 ngx_quic_congestion_t congestion;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	110
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	111 uint64_t cur_streams;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	112 uint64_t max_streams;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	113
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	114 ngx_uint_t error;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	115 ngx_uint_t error_ftype;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	116 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	117
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	118 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	119 unsigned closing:1;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	120 unsigned draining:1;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	121 unsigned key_phase:1;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	122 unsigned in_retry:1;
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	123 unsigned initialized:1;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	124 };
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	125
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	126
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	127 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	128 ngx_quic_frame_t frame, void data);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	129
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	130
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	131 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	132 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	133 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	134 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	135 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	136 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	137 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	138 #else
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	139 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	140 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	141 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	142 #endif
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	143
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	144 static int ngx_quic_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	145 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	146 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	147 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	148 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	149
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	150
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	151 static ngx_int_t ngx_quic_new_connection(ngx_connection_t c, ngx_ssl_t ssl,
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	152 ngx_quic_tp_t tp, ngx_quic_header_t pkt,
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	153 ngx_connection_handler_pt handler);
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	154 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	155 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	156 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	157 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	158 ngx_quic_header_t *pkt);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	159 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c);
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	160 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	161
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	162 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	163 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	164 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	165 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	166 ngx_quic_connection_t *qc);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	167
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	168 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	169 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	170 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	171 ngx_quic_header_t *pkt);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	172 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	173 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	174 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	175 ngx_quic_header_t *pkt);
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	176 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	177 ngx_quic_header_t *pkt);
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	178 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	179 ngx_quic_header_t *pkt);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	180 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	181 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	182 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	183 ngx_quic_header_t *pkt);
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	184 static ngx_int_t ngx_quic_send_ack(ngx_connection_t c, ngx_quic_header_t pkt);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	185 static ngx_int_t ngx_quic_send_cc(ngx_connection_t *c,
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	186 enum ssl_encryption_level_t level, ngx_uint_t err, ngx_uint_t frame_type,
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	187 const char *reason);
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	188 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	189
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	190 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	191 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	192 static ngx_int_t ngx_quic_handle_ack_frame_range(ngx_connection_t *c,
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	193 ngx_quic_send_ctx_t *ctx, uint64_t min, uint64_t max);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	194 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	195 ngx_quic_frame_t *f);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	196
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	197 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	198 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	199 ngx_quic_frame_handler_pt handler, void *data);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	200 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	201 ngx_quic_frame_t *f, uint64_t offset_in);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	202 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	203 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	204
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	205 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	206 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	207 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	208 ngx_quic_frame_t frame, void data);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	209 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	210 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	211 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	212 ngx_quic_frame_t frame, void data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	213
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	214 static ngx_int_t ngx_quic_handle_max_streams(ngx_connection_t *c);
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	215 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	216 ngx_quic_max_data_frame_t *f);
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	217 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	218 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	219 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	220 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	221 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	222 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	223 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	224 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	225 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	226 ngx_quic_header_t pkt, ngx_quic_stop_sending_frame_t f);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	227
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	228 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	229 ngx_quic_frame_t *frame);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	230
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	231 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	232 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	233 ngx_quic_send_ctx_t *ctx);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	234 static void ngx_quic_free_frames(ngx_connection_t c, ngx_queue_t frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	235 static ngx_int_t ngx_quic_send_frames(ngx_connection_t c, ngx_queue_t frames);
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	236
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	237 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	238 ngx_quic_send_ctx_t *ctx);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	239 static void ngx_quic_retransmit_handler(ngx_event_t *ev);
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	240 static ngx_int_t ngx_quic_retransmit(ngx_connection_t *c,
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	241 ngx_quic_send_ctx_t ctx, ngx_msec_t waitp);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	242 static void ngx_quic_push_handler(ngx_event_t *ev);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	243
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	244 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	245 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	246 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	247 uint64_t id);
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	248 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	249 uint64_t id, size_t rcvbuf_size);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	250 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	251 size_t size);
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	252 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	253 size_t size);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	254 static void ngx_quic_stream_cleanup_handler(void *data);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	255 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	256 ngx_chain_t *in, off_t limit);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	257 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	258 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	259
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	260 static void ngx_quic_congestion_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	261 ngx_quic_frame_t *frame);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	262 static void ngx_quic_congestion_lost(ngx_connection_t *c, ngx_msec_t sent);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	263
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	264
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	265 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	266 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	267 ngx_quic_set_read_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	268 ngx_quic_set_write_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	269 #else
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	270 ngx_quic_set_encryption_secrets,
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	271 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	272 ngx_quic_add_handshake_data,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	273 ngx_quic_flush_flight,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	274 ngx_quic_send_alert,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	275 };
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	276
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	277
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	278 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	279
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	280 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	281 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	282 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	283 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	284 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	285 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	286 ngx_quic_secrets_t *keys;
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	287
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	288 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	289
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	290 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	291 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	292 "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	293 ngx_quic_hexdump(c->log, "quic read secret", rsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	294 #endif
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	295
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	296 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	297
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	298 if (level == ssl_encryption_early_data) {
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	299 c->quic->state = ssl_encryption_early_data;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	300 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	301
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	302 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	303 rsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	304 &keys->client);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	305 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	306
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	307
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	308 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	309 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	310 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	311 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	312 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	313 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	314 ngx_quic_secrets_t *keys;
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	315
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	316 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	317
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	318 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	319 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	320 "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	321 ngx_quic_hexdump(c->log, "quic write secret", wsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	322 #endif
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	323
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	324 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	325
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	326 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	327 wsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	328 &keys->server);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	329 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	330
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	331 #else
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	332
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	333 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	334 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	335 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	336 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	337 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	338 ngx_int_t rc;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	339 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	340 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	341
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	342 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	343
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	344 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	345 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	346 "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	347 ngx_quic_hexdump(c->log, "quic read", rsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	348 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	349
8327 0ae50d90658a Fixed build with OpenSSL using old callbacks API. Sergey Kandaurov <pluknet@nginx.com> parents: 8326 diff changeset	350 keys = &c->quic->keys[level];
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	351
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	352 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	353 rsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	354 &keys->client);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	355 if (rc != 1) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	356 return rc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	357 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	358
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	359 if (level == ssl_encryption_early_data) {
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	360 c->quic->state = ssl_encryption_early_data;
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	361 return 1;
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	362 }
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	363
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	364 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	365 ngx_quic_hexdump(c->log, "quic write", wsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	366 #endif
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	367
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	368 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	369 wsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	370 &keys->server);
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	371 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	372
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	373 #endif
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	374
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	375
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	376 static int
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	377 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	378 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	379 {
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	380 u_char p, end;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	381 size_t client_params_len, fsize, limit;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	382 const uint8_t *client_params;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	383 ngx_quic_frame_t *frame;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	384 ngx_connection_t *c;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	385 ngx_quic_connection_t *qc;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	386 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	387
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	388 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	389 qc = c->quic;
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	390
8186 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 8185 diff changeset	391 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	392 "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	393
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	394 if (!qc->client_tp_done) {
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	395
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	396 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	397 &client_params_len);
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	398
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	399 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	400 "quic SSL_get_peer_quic_transport_params():"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	401 " params_len %ui", client_params_len);
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	402
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	403 if (client_params_len != 0) {
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	404 p = (u_char *) client_params;
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	405 end = p + client_params_len;
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	406
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	407 if (ngx_quic_parse_transport_params(p, end, &qc->ctp, c->log)
d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	408 != NGX_OK)
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	409 {
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	410 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	411 qc->error_reason = "failed to process transport parameters";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	412
8413 f27fdf86275d Fixed return codes in ngx_quic_add_handshake_data() callback. Sergey Kandaurov <pluknet@nginx.com> parents: 8401 diff changeset	413 return 0;
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	414 }
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	415
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	416 if (qc->ctp.max_idle_timeout > 0
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	417 && qc->ctp.max_idle_timeout < qc->tp.max_idle_timeout)
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	418 {
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	419 qc->tp.max_idle_timeout = qc->ctp.max_idle_timeout;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	420 }
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	421
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	422 if (qc->ctp.max_udp_payload_size < NGX_QUIC_MIN_INITIAL_SIZE
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	423 \|\| qc->ctp.max_udp_payload_size > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE)
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	424 {
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	425 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	426 qc->error_reason = "invalid maximum packet size";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	427
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	428 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	429 "quic maximum packet size is invalid");
8413 f27fdf86275d Fixed return codes in ngx_quic_add_handshake_data() callback. Sergey Kandaurov <pluknet@nginx.com> parents: 8401 diff changeset	430 return 0;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	431 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	432
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	433 #if (NGX_QUIC_DRAFT_VERSION >= 28)
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	434 if (qc->scid.len != qc->ctp.initial_scid.len
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	435 \|\| ngx_memcmp(qc->scid.data, qc->ctp.initial_scid.data,
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	436 qc->scid.len) != 0)
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	437 {
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	438 ngx_log_error(NGX_LOG_INFO, c->log, 0,
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	439 "quic client initial_source_connection_id mismatch");
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	440 return 0;
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	441 }
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	442 #endif
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	443
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	444 qc->client_tp_done = 1;
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	445 }
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	446 }
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	447
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	448 /*
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	449 * 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	450 * 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	451 */
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	452 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	453 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	454
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	455 fs = &qc->crypto[level];
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	456
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	457 p = (u_char *) data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	458 end = (u_char *) data + len;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	459
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	460 while (p < end) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	461
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	462 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	463
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	464 frame = ngx_quic_alloc_frame(c, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	465 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	466 return 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	467 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	468
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	469 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	470
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	471 frame->level = level;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	472 frame->type = NGX_QUIC_FT_CRYPTO;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	473 frame->u.crypto.offset = fs->sent;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	474 frame->u.crypto.length = fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	475 frame->u.crypto.data = frame->data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	476
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	477 fs->sent += fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	478 p += fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	479
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	480 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	481 fsize, level);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	482
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	483 ngx_quic_queue_frame(qc, frame);
8186 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 8185 diff changeset	484 }
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	485
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	486 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	487 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	488
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	489
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	490 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	491 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	492 {
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	493 #if (NGX_DEBUG)
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	494 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	495
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	496 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	497
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	498 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	499 "quic ngx_quic_flush_flight()");
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	500 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	501 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	502 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	503
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	504
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	505 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	506 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	507 uint8_t alert)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	508 {
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	509 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	510
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	511 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	512
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	513 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	514 "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	515 (int) level, (int) alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	516
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	517 if (c->quic == NULL) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	518 return 1;
8235 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	519 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	520
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	521 if (ngx_quic_send_cc(c, level, 0x100 + alert, 0, "TLS alert") != NGX_OK) {
8235 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	522 return 0;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	523 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	524
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	525 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	526 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	527
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	528
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	529 void
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	530 ngx_quic_run(ngx_connection_t c, ngx_ssl_t ssl, ngx_quic_tp_t *tp,
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	531 ngx_connection_handler_pt handler)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	532 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	533 ngx_buf_t *b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	534 ngx_quic_header_t pkt;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	535
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	536 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	537
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	538 c->log->action = "QUIC initialization";
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	539
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	540 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	541
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	542 b = c->buffer;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	543
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	544 pkt.log = c->log;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	545 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	546 pkt.data = b->start;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	547 pkt.len = b->last - b->start;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	548
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	549 if (ngx_quic_new_connection(c, ssl, tp, &pkt, handler) != NGX_OK) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	550 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	551 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	552 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	553
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	554 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	555 : c->quic->tp.max_idle_timeout);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	556
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	557 c->read->handler = ngx_quic_input_handler;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	558
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	559 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	560 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	561
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	562
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	563 static ngx_int_t
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	564 ngx_quic_new_connection(ngx_connection_t c, ngx_ssl_t ssl, ngx_quic_tp_t *tp,
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	565 ngx_quic_header_t *pkt, ngx_connection_handler_pt handler)
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	566 {
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	567 ngx_int_t rc;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	568 ngx_uint_t i;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	569 ngx_quic_tp_t *ctp;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	570 ngx_quic_secrets_t *keys;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	571 ngx_quic_send_ctx_t *ctx;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	572 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	573 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	574
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	575 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	576 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	577 "quic UDP datagram is too small for initial packet");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	578 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	579 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	580
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	581 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	582 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	583 return rc;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	584 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	585
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	586 if (!ngx_quic_pkt_in(pkt->flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	587 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	588 "quic invalid initial packet: 0x%xi", pkt->flags);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	589 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	590 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	591
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	592 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	593 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	594 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	595
8387 eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	596 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	597 /* 7.2. Negotiating Connection IDs */
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	598 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	599 "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	600 pkt->dcid.len);
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	601 return NGX_ERROR;
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	602 }
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	603
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	604 c->log->action = "creating new quic connection";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	605
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	606 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	607 if (qc == NULL) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	608 return NGX_ERROR;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	609 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	610
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	611 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	612 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	613
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	614 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	615 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	616 ngx_queue_init(&qc->send_ctx[i].sent);
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	617 qc->send_ctx[i].largest_pn = (uint64_t) -1;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	618 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	619
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	620 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	621 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	622 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	623
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	624 ngx_queue_init(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	625
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	626 qc->retransmit.log = c->log;
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	627 qc->retransmit.data = c;
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	628 qc->retransmit.handler = ngx_quic_retransmit_handler;
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	629 qc->retransmit.cancelable = 1;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	630
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	631 qc->push.log = c->log;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	632 qc->push.data = c;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	633 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	634 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	635
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	636 c->quic = qc;
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	637 qc->state = ssl_encryption_initial;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	638 qc->ssl = ssl;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	639 qc->tp = *tp;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	640 qc->streams.handler = handler;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	641
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	642 ctp = &qc->ctp;
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	643 ctp->max_udp_payload_size = NGX_QUIC_MAX_UDP_PAYLOAD_SIZE;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	644 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	645 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	646
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	647 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	648
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	649 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	650 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	651 14720));
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	652 qc->congestion.ssthresh = NGX_MAX_SIZE_T_VALUE;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	653 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	654
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	655 if (ngx_quic_new_dcid(c, &pkt->dcid) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	656 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	657 }
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	658
8421 c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 8417 diff changeset	659 #if (NGX_QUIC_DRAFT_VERSION >= 28)
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	660 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	661 #endif
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	662 qc->tp.initial_scid = c->quic->dcid;
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	663
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	664 qc->scid.len = pkt->scid.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	665 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	666 if (qc->scid.data == NULL) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	667 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	668 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	669 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	670
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	671 keys = &c->quic->keys[ssl_encryption_initial];
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	672
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	673 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	674 &qc->odcid)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	675 != NGX_OK)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	676 {
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
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	680 qc->initialized = 1;
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	681
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	682 if (pkt->token.len) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	683 rc = ngx_quic_validate_token(c, pkt);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	684
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	685 if (rc == NGX_ERROR) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	686 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	687 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	688 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	689
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	690 if (rc == NGX_DECLINED) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	691 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	692 return ngx_quic_retry(c);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	693 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	694
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	695 /* NGX_OK */
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	696
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	697 } else if (tp->retry) {
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	698 return ngx_quic_retry(c);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	699 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	700
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	701 pkt->secret = &keys->client;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	702 pkt->level = ssl_encryption_initial;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	703 pkt->plaintext = buf;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	704
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	705 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	706
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	707 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	708 qc->error = pkt->error;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	709 qc->error_reason = "failed to decrypt packet";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	710
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	711 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	712 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	713
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	714 if (ngx_quic_init_connection(c) != NGX_OK) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	715 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	716 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	717
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	718 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	719 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	720 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	721
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	722 /* pos is at header end, adjust by actual packet length */
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	723 pkt->raw->pos += pkt->len;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	724
8377 2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	725 (void) ngx_quic_skip_zero_padding(pkt->raw);
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	726
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	727 return ngx_quic_input(c, pkt->raw);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	728 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	729
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	730
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	731 static ngx_int_t
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	732 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	733 {
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	734 uint8_t len;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	735 ngx_quic_connection_t *qc;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	736
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	737 qc = c->quic;
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	738
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	739 if (RAND_bytes(&len, sizeof(len)) != 1) {
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	740 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	741 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	742
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	743 len = len % 10 + 10;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	744
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	745 qc->dcid.len = len;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	746 qc->dcid.data = ngx_pnalloc(c->pool, len);
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	747 if (qc->dcid.data == NULL) {
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	748 return NGX_ERROR;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	749 }
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	750
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	751 if (RAND_bytes(qc->dcid.data, len) != 1) {
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	752 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	753 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	754
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	755 #ifdef NGX_QUIC_DEBUG_PACKETS
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	756 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	757 #endif
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	758
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	759 qc->odcid.len = odcid->len;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	760 qc->odcid.data = ngx_pstrdup(c->pool, odcid);
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	761 if (qc->odcid.data == NULL) {
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	762 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	763 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	764
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	765 return NGX_OK;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	766 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	767
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	768
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	769 static ngx_int_t
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	770 ngx_quic_retry(ngx_connection_t *c)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	771 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	772 ssize_t len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	773 ngx_str_t res, token;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	774 ngx_quic_header_t pkt;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	775 u_char buf[NGX_QUIC_RETRY_BUFFER_SIZE];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	776
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	777 if (ngx_quic_new_token(c, &token) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	778 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	779 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	780
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	781 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	782 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	783 pkt.log = c->log;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	784 pkt.odcid = c->quic->odcid;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	785 pkt.dcid = c->quic->scid;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	786 pkt.scid = c->quic->dcid;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	787 pkt.token = token;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	788
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	789 res.data = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	790
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	791 if (ngx_quic_encrypt(&pkt, NULL, &res) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	792 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	793 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	794
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	795 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	796 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	797 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	798
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	799 len = c->send(c, res.data, res.len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	800 if (len == NGX_ERROR \|\| (size_t) len != res.len) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	801 return NGX_ERROR;
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
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	804 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	805 #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	806 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	807 #endif
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	808 c->quic->tp.retry_scid = c->quic->dcid;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	809 c->quic->in_retry = 1;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	810
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	811 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	812 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	813
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	814
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	815 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	816 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	817 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	818 int len, iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	819 u_char data, p, key, iv;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	820 ngx_msec_t now;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	821 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	822 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	823 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	824 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	825 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	826 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	827 u_char in[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	828
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	829 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	830
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	831 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	832 case AF_INET6:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	833 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	834
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	835 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	836 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	837
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	838 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	839 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	840
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	841 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	842 case AF_UNIX:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	843
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	844 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	845 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	846
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	847 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	848 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	849
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	850 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	851 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	852
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	853 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	854 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	855
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	856 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	857 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	858
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	859 p = ngx_cpymem(in, data, len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	860
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	861 now = ngx_current_msec;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	862 len += sizeof(now);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	863 ngx_memcpy(p, &now, sizeof(now));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	864
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	865 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	866 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	867
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	868 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	869 token->data = ngx_pnalloc(c->pool, token->len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	870 if (token->data == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	871 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	872 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	873
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	874 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	875 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	876 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	877 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	878
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	879 key = c->quic->tp.token_key;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	880 iv = token->data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	881
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	882 if (RAND_bytes(iv, iv_len) <= 0
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	883 \|\| !EVP_EncryptInit_ex(ctx, cipher, NULL, key, iv))
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	884 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	885 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	886 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	887 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	888
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	889 token->len = iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	890
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	891 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	892 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	893 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	894 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	895
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	896 token->len += len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	897
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	898 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	899 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	900 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	901 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	902
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	903 token->len += len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	904
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	905 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	906
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	907 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	908 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	909 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	910
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	911 return NGX_OK;
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
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	914
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	915 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	916 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	917 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	918 int len, tlen, iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	919 u_char key, iv, p, data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	920 ngx_msec_t msec;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	921 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	922 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	923 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	924 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	925 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	926 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	927 ngx_quic_connection_t *qc;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	928 u_char tdec[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	929
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	930 if (pkt->token.len == 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	931 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	932 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	933
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	934 qc = c->quic;
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 /* Retry token */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	937
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	938 if (qc->token.len) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	939 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	940 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	941 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	942
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	943 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	944 goto bad_token;
8383 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 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	948 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	949
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	950 /* NEW_TOKEN in a previous connection */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	951
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	952 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	953 key = c->quic->tp.token_key;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	954 iv = pkt->token.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	955 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	956
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	957 /* sanity checks */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	958
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	959 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	960 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	961 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	962
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	963 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	964 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	965 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	966
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	967 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	968 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	969 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	970 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	971
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	972 if (!EVP_DecryptInit_ex(ctx, cipher, NULL, key, iv)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	973 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	974 return NGX_ERROR;
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
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	977 p = pkt->token.data + iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	978 len = pkt->token.len - iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	979
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	980 if (EVP_DecryptUpdate(ctx, tdec, &len, p, len) != 1) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	981 EVP_CIPHER_CTX_free(ctx);
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	982 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	983 }
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 if (EVP_DecryptFinal_ex(ctx, tdec + len, &tlen) <= 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	986 EVP_CIPHER_CTX_free(ctx);
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	987 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	988 }
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 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	991
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	992 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	993
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	994 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	995 case AF_INET6:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	996 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	997
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	998 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	999 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1000
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1001 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1002 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1003
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1004 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1005 case AF_UNIX:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1006
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1007 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	1008 data = c->addr_text.data;
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 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1011 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1012
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1013 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1014 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1015
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1016 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1017 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1018
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1019 break;
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
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1022 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	1023 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1024 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1025
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1026 ngx_memcpy(&msec, tdec + len, sizeof(msec));
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 if (ngx_current_msec - msec > NGX_QUIC_RETRY_LIFETIME) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1029 return NGX_DECLINED;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1030 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1031
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1032 return NGX_OK;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1033
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1034 bad_token:
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1035
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1036 qc->error = NGX_QUIC_ERR_INVALID_TOKEN;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1037 qc->error_reason = "invalid_token";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1038
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1039 return NGX_ERROR;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1040 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1041
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 static ngx_int_t
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	1044 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	1045 {
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1046 u_char *p;
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1047 size_t clen;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1048 ssize_t len;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1049 ngx_ssl_conn_t *ssl_conn;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1050 ngx_quic_connection_t *qc;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1051
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1052 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1053
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1054 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	1055 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1056 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1057
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1058 ssl_conn = c->ssl->connection;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1059
8232 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1060 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	1061 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1062 "quic SSL_set_quic_method() failed");
8232 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1063 return NGX_ERROR;
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1064 }
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1065
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1066 #ifdef SSL_READ_EARLY_DATA_SUCCESS
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1067 if (SSL_CTX_get_max_early_data(qc->ssl->ctx)) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1068 SSL_set_quic_early_data_enabled(ssl_conn, 1);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1069 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1070 #endif
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1071
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1072 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	1073 /* always succeeds */
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1074
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1075 p = ngx_pnalloc(c->pool, len);
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1076 if (p == NULL) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1077 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1078 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1079
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1080 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	1081 if (len < 0) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1082 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1083 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1084
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1085 #ifdef NGX_QUIC_DEBUG_PACKETS
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	1086 ngx_quic_hexdump(c->log, "quic transport parameters", p, len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1087 #endif
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1088
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1089 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	1090 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1091 "quic SSL_set_quic_transport_params() failed");
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1092 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1093 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1094
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1095 #if NGX_OPENSSL_QUIC_ZRTT_CTX
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1096 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	1097 ngx_log_error(NGX_LOG_INFO, c->log, 0,
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1098 "quic SSL_set_quic_early_data_context() failed");
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1099 return NGX_ERROR;
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1100 }
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1101 #endif
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1102
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	1103 qc->max_streams = qc->tp.initial_max_streams_bidi;
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	1104 qc->state = ssl_encryption_handshake;
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1105
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1106 return NGX_OK;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1107 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1108
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1109
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1110 static void
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1111 ngx_quic_input_handler(ngx_event_t *rev)
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1112 {
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1113 ssize_t n;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1114 ngx_buf_t b;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1115 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1116 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	1117 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	1118
8394 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 8393 diff changeset	1119 ngx_memzero(&b, sizeof(ngx_buf_t));
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1120 b.start = buf;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	1121 b.end = buf + sizeof(buf);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1122 b.pos = b.last = b.start;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1123 b.memory = 1;
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1124
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1125 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	1126 qc = c->quic;
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1127
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1128 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	1129
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1130 if (rev->timedout) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1131 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1132 "quic client timed out");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1133 ngx_quic_close_connection(c, NGX_DONE);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1134 return;
8212 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	1135 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	1136
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1137 if (c->close) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1138 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1139 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1140 }
8220 7ada2feeac18 Added processing of CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8218 diff changeset	1141
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1142 n = c->recv(c, b.start, b.end - b.start);
8215 38c0898b6df7 HTTP/3. Roman Arutyunyan <arut@nginx.com> parents: 8214 diff changeset	1143
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1144 if (n == NGX_AGAIN) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1145 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1146 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1147 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1148 return;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1149 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1150
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1151 if (n == NGX_ERROR) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1152 c->read->eof = 1;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1153 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1154 return;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1155 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1156
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1157 b.last += n;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1158
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1159 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	1160 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1161 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1162 }
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1163
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1164 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1165 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	1166 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1167
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1168
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1169 static void
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1170 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	1171 {
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1172 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	1173
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1174 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1175 "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	1176
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	1177 if (!c->quic \|\| !c->quic->initialized) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1178 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1179 "quic close connection early error");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1180
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1181 } 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	1182 return;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	1183 }
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1184
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1185 if (c->ssl) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1186 (void) ngx_ssl_shutdown(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1187 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1188
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1189 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1190 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1191 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1192
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1193 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1194 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1195 #endif
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1196
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1197 c->destroyed = 1;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1198
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1199 pool = c->pool;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1200
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1201 ngx_close_connection(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1202
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1203 ngx_destroy_pool(pool);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1204 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1205
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1206
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1207 static ngx_int_t
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1208 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	1209 {
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	1210 ngx_uint_t i, err;
8398 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1211 ngx_quic_send_ctx_t *ctx;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1212 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1213 enum ssl_encryption_level_t level;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1214
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1215 qc = c->quic;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1216
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1217 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1218
8398 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1219 /* 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	1220 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	1221 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	1222 ngx_quic_free_frames(c, &ctx->sent);
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1223 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1224
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1225 if (rc == NGX_DONE) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1226
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1227 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1228 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1229 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1230 * 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	1231 * 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	1232 */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1233
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1234 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	1235 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1236 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1237
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1238 } else {
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1239
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1240 /*
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1241 * 10.3. Immediate Close
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1242 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1243 * 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	1244 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1245 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1246
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1247 if (rc == NGX_OK) {
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1248 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	1249 "quic immediate close, drain = %d",
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1250 qc->draining);
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1251
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1252 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1253 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1254 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	1255 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1256
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1257 ngx_add_timer(&qc->close, 3 * NGX_QUIC_HARDCODED_PTO);
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1258
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1259 err = NGX_QUIC_ERR_NO_ERROR;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1260
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1261 } else {
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1262 err = qc->error ? qc->error : NGX_QUIC_ERR_INTERNAL_ERROR;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1263
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1264 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1265 "quic immediate close due to error: %ui %s",
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1266 qc->error,
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1267 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1268 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1269
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1270 level = (qc->state == ssl_encryption_early_data)
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1271 ? ssl_encryption_handshake
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1272 : qc->state;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1273
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1274 (void) ngx_quic_send_cc(c, level, err, qc->error_ftype,
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1275 qc->error_reason);
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1276
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1277 if (level == ssl_encryption_handshake) {
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1278 /* for clients that might not have handshake keys */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1279 (void) ngx_quic_send_cc(c, ssl_encryption_initial, err,
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1280 qc->error_ftype, qc->error_reason);
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1281 }
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1282 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1283
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1284 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1285 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1286
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1287 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	1288 /* 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	1289 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1290 }
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1291
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1292 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1293 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1294 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1295
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1296 if (qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1297 return NGX_AGAIN;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1298 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1299
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1300 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1301 ngx_quic_free_frames(c, &qc->crypto[i].frames);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1302 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1303
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1304 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	1305 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	1306 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	1307 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1308
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1309 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1310 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1311 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1312
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	1313 if (qc->retransmit.timer_set) {
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	1314 ngx_del_timer(&qc->retransmit);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1315 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1316
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1317 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	1318 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1319
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1320 /* 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	1321 c->quic = NULL;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1322
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1323 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1324 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1325
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1326
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1327 static void
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1328 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	1329 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1330 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1331
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1332 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	1333
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1334 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1335 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1336 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1337
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1338
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1339 static ngx_int_t
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1340 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	1341 {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1342 ngx_event_t *rev;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1343 ngx_rbtree_t *tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1344 ngx_rbtree_node_t *node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1345 ngx_quic_stream_t *qs;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1346
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1347 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1348 ngx_uint_t ns;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1349 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1350
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1351 tree = &qc->streams.tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1352
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1353 if (tree->root == tree->sentinel) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1354 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1355 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1356
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1357 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1358 ns = 0;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1359 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1360
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1361 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1362 node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1363 node = ngx_rbtree_next(tree, node))
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1364 {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1365 qs = (ngx_quic_stream_t *) node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1366
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1367 rev = qs->c->read;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1368 rev->ready = 1;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1369 rev->pending_eof = 1;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1370
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1371 ngx_post_event(rev, &ngx_posted_events);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1372
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1373 if (rev->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1374 ngx_del_timer(rev);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1375 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1376
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1377 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1378 ns++;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1379 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1380 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1381
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1382 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	1383 "quic connection has %ui active streams", ns);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1384
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1385 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1386 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1387
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1388
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1389 static ngx_int_t
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1390 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	1391 {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1392 u_char *p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1393 ngx_int_t rc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1394 ngx_quic_header_t pkt;
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1395
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1396 p = b->pos;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1397
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1398 while (p < b->last) {
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1399 c->log->action = "processing quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1400
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1401 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1402 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1403 pkt.data = p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1404 pkt.len = b->last - p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1405 pkt.log = c->log;
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1406 pkt.flags = p[0];
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1407
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1408 if (c->quic->in_retry) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1409 return ngx_quic_retry_input(c, &pkt);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1410 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1411
8371 9d9531431c8c Removed outdated/incorrect comments and fixed style. Vladimir Homutov <vl@nginx.com> parents: 8370 diff changeset	1412 /* TODO: check current state */
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1413 if (ngx_quic_long_pkt(pkt.flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1414
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1415 if (ngx_quic_pkt_in(pkt.flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1416 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	1417
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1418 } else if (ngx_quic_pkt_hs(pkt.flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1419 rc = ngx_quic_handshake_input(c, &pkt);
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1420
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1421 } else if (ngx_quic_pkt_zrtt(pkt.flags)) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1422 rc = ngx_quic_early_input(c, &pkt);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1423
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1424 } else {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1425 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1426 "quic unknown long packet type");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1427 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1428 }
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1429
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1430 } else {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1431 rc = ngx_quic_app_input(c, &pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1432 }
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1433
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1434 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1435 return NGX_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1436 }
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1437
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1438 /* NGX_OK \|\| NGX_DECLINED */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1439
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1440 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1441 * 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	1442 * to decrypt packet.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1443 * 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	1444 * retransmission:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1445 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1446 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1447 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1448 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1449 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1450 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1451 * attempt to process the remaining packets.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1452 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1453
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1454 /* 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	1455 b->pos += pkt.len;
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1456 p = ngx_quic_skip_zero_padding(b);
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1457 }
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1458
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1459 return NGX_OK;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1460 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1461
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1462
8377 2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1463 /* 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	1464 static ngx_inline u_char *
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1465 ngx_quic_skip_zero_padding(ngx_buf_t *b)
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1466 {
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1467 while (b->pos < b->last && *(b->pos) == 0) {
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1468 b->pos++;
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1469 }
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1470
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1471 return b->pos;
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1472 }
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1473
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 8371 diff changeset	1474
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1475 static ngx_int_t
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1476 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	1477 {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1478 ngx_int_t rc;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1479 ngx_quic_secrets_t *keys;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1480 ngx_quic_send_ctx_t *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1481 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	1482 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	1483
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1484 c->log->action = "retrying quic connection";
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1485
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1486 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	1487 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1488 "quic UDP datagram is too small for initial packet");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1489 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1490 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1491
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1492 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	1493 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1494 return rc;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1495 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1496
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1497 if (ngx_quic_pkt_zrtt(pkt->flags)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1498 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1499 "quic discard inflight 0-RTT packet");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1500 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1501 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1502
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1503 if (!ngx_quic_pkt_in(pkt->flags)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1504 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1505 "quic invalid initial packet: 0x%xi", pkt->flags);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1506 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1507 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1508
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1509 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1510 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1511 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1512
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1513 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	1514 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1515 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1516
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1517 qc = c->quic;
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	1518 qc->tp.initial_scid = c->quic->dcid;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1519
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1520 keys = &c->quic->keys[ssl_encryption_initial];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1521
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1522 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	1523 &qc->odcid)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1524 != NGX_OK)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1525 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1526 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1527 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1528
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1529 c->quic->in_retry = 0;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1530
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1531 if (ngx_quic_validate_token(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1532 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	1533 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1534 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1535
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1536 pkt->secret = &keys->client;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1537 pkt->level = ssl_encryption_initial;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1538 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1539
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1540 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1541
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1542 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	1543 qc->error = pkt->error;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1544 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1545 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1546
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1547 if (ngx_quic_init_connection(c) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1548 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1549 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1550
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1551 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1552 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1553 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1554
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1555 /* 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	1556 pkt->raw->pos += pkt->len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1557
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1558 (void) ngx_quic_skip_zero_padding(pkt->raw);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1559
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1560 return ngx_quic_input(c, pkt->raw);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1561 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1562
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1563
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1564 static ngx_int_t
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1565 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	1566 {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1567 ngx_int_t rc;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1568 ngx_ssl_conn_t *ssl_conn;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1569 ngx_quic_secrets_t *keys;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1570 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	1571 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1572
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1573 c->log->action = "processing initial quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1574
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1575 ssl_conn = c->ssl->connection;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1576
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1577 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	1578 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1579 return rc;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1580 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1581
8224 ae35ccba7aa6 Extracted transport part of the code into separate file. Vladimir Homutov <vl@nginx.com> parents: 8223 diff changeset	1582 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1583 return NGX_ERROR;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1584 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1585
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1586 keys = &c->quic->keys[ssl_encryption_initial];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1587
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1588 pkt->secret = &keys->client;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1589 pkt->level = ssl_encryption_initial;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1590 pkt->plaintext = buf;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1591
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1592 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	1593
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1594 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	1595 c->quic->error = pkt->error;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1596 return NGX_ERROR;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1597 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1598
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1599 return ngx_quic_payload_handler(c, pkt);
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1600 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1601
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1602
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1603 static ngx_int_t
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1604 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	1605 {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1606 ngx_int_t rc;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1607 ngx_quic_secrets_t *keys;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1608 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	1609 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	1610 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	1611
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1612 c->log->action = "processing handshake quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1613
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1614 qc = c->quic;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1615
8321 e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1616 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	1617
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1618 if (keys->client.key.len == 0) {
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1619 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1620 "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	1621 return NGX_DECLINED;
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1622 }
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1623
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1624 /* 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	1625 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	1626 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1627 return rc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1628 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1629
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1630 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	1631 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1632 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1633
8224 ae35ccba7aa6 Extracted transport part of the code into separate file. Vladimir Homutov <vl@nginx.com> parents: 8223 diff changeset	1634 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	1635 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1636 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1637
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1638 pkt->secret = &keys->client;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1639 pkt->level = ssl_encryption_handshake;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1640 pkt->plaintext = buf;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1641
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1642 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1643
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1644 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	1645 qc->error = pkt->error;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1646 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1647 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1648
8393 e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1649 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1650 * 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	1651 * 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	1652 */
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1653 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_initial);
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1654 ngx_quic_free_frames(c, &ctx->sent);
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	1655
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1656 return ngx_quic_payload_handler(c, pkt);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1657 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1658
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1659
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1660 static ngx_int_t
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1661 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	1662 {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1663 ngx_int_t rc;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1664 ngx_quic_secrets_t *keys;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1665 ngx_quic_send_ctx_t *ctx;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1666 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	1667 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	1668
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1669 c->log->action = "processing early data quic packet";
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1670
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1671 qc = c->quic;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1672
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1673 /* 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	1674 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	1675 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1676 return rc;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1677 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1678
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1679 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1680 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1681 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1682
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1683 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1684 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1685 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1686
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	1687 if (c->quic->state != ssl_encryption_early_data) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1688 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic unexpected 0-RTT packet");
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1689 return NGX_OK;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1690 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1691
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1692 keys = &c->quic->keys[ssl_encryption_early_data];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1693
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1694 pkt->secret = &keys->client;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1695 pkt->level = ssl_encryption_early_data;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1696 pkt->plaintext = buf;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1697
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1698 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1699
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1700 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	1701 qc->error = pkt->error;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1702 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1703 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1704
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1705 return ngx_quic_payload_handler(c, pkt);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1706 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1707
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1708
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1709 static ngx_int_t
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1710 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	1711 {
8381 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1712 ngx_str_t *dcid;
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1713
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1714 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	1715
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1716 if (pkt->dcid.len != dcid->len) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1717 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	1718 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1719 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1720
8381 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1721 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	1722 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	1723 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1724 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1725
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1726 if (pkt->scid.len != qc->scid.len) {
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1727 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	1728 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1729 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1730
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1731 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	1732 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	1733 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1734 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1735
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1736 return NGX_OK;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1737 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1738
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1739
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1740 static ngx_int_t
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1741 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	1742 {
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1743 ngx_int_t rc;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1744 ngx_quic_secrets_t keys, next, tmp;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1745 ngx_quic_send_ctx_t *ctx;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1746 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	1747 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	1748
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1749 c->log->action = "processing application data quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1750
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1751 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1752
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1753 keys = &c->quic->keys[ssl_encryption_application];
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1754 next = &c->quic->next_key;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1755
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1756 if (keys->client.key.len == 0) {
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1757 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1758 "quic no read keys yet, packet ignored");
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1759 return NGX_DECLINED;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1760 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1761
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1762 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	1763 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8385 diff changeset	1764 return rc;
8185 6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1765 }
6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1766
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1767 pkt->secret = &keys->client;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1768 pkt->next = &next->client;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1769 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	1770 pkt->level = ssl_encryption_application;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1771 pkt->plaintext = buf;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1772
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1773 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1774
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1775 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	1776 qc->error = pkt->error;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1777 return NGX_ERROR;
8185 6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1778 }
6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1779
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1780 /* switch keys on Key Phase change */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1781
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1782 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1783 c->quic->key_phase ^= 1;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1784
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1785 tmp = *keys;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1786 keys = next;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1787 *next = tmp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1788 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1789
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1790 rc = ngx_quic_payload_handler(c, pkt);
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1791
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1792 if (rc == NGX_ERROR) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1793 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1794 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1795
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1796 /* generate next keys */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1797
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1798 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1799 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	1800 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1801 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1802 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1803
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1804 return rc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1805 }
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	1806
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	1807
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1808 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1809 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	1810 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1811 u_char end, p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1812 ssize_t len;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1813 ngx_uint_t ack_sent, do_close;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1814 ngx_quic_frame_t frame;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1815 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1816
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1817 qc = c->quic;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1818
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1819 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1820 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1821 * 10.1 Closing and Draining Connection States
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1822 * ... delayed or reordered packets are properly discarded.
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1823 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1824 * 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	1825 * 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	1826 * packets as belonging to the connection.
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1827 */
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1828 return ngx_quic_send_cc(c, pkt->level, NGX_QUIC_ERR_NO_ERROR, 0,
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1829 "connection is closing, packet discarded");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1830 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1831
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1832 p = pkt->payload.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1833 end = p + pkt->payload.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1834
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1835 ack_sent = 0;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1836 do_close = 0;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1837
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1838 while (p < end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1839
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1840 c->log->action = "parsing frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1841
8240 1f002206a59b Added boundaries checks into frame parser. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	1842 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	1843
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1844 if (len < 0) {
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	1845 qc->error = pkt->error;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1846 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1847 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1848
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1849 c->log->action = "handling frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1850
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1851 p += len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1852
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1853 switch (frame.type) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1854
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1855 case NGX_QUIC_FT_ACK:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1856 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	1857 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1858 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1859
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1860 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1861
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1862 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1863 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1864 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1865
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1866 case NGX_QUIC_FT_CONNECTION_CLOSE:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1867 case NGX_QUIC_FT_CONNECTION_CLOSE2:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1868 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1869 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1870 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1871
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1872 /* got there with ack-eliciting packet */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1873
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1874 if (!ack_sent) {
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1875 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	1876 return NGX_ERROR;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1877 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1878
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1879 ack_sent = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1880 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1881
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1882 switch (frame.type) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1883
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1884 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1885
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1886 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	1887 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1888 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1889
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1890 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1891
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1892 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1893 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1894
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1895 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1896 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1897 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1898 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1899 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1900 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1901 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1902 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1903
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1904 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	1905 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1906 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1907
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1908 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1909
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1910 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	1911
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1912 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	1913 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1914 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1915 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1916
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1917 break;
ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1918
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1919 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1920 case NGX_QUIC_FT_STREAMS_BLOCKED2:
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1921
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1922 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	1923 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1924 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1925 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1926 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1927 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1928
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1929 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1930
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1931 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	1932
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1933 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	1934 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1935 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1936 {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1937 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1938 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1939
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1940 break;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1941
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1942 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	1943
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1944 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	1945 &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	1946 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1947 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1948 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1949 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1950
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1951 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1952
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1953 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	1954
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1955 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	1956 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1957 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1958 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1959 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1960 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1961
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1962 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1963
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1964 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	1965
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1966 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	1967 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1968 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1969 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1970 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1971 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1972
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1973 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1974
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1975 case NGX_QUIC_FT_NEW_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1976 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1977 case NGX_QUIC_FT_PATH_CHALLENGE:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1978 case NGX_QUIC_FT_PATH_RESPONSE:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1979
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1980 /* TODO: handle */
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1981 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1982 "quic frame handler not implemented");
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1983 break;
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1984
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1985 default:
8346 4e4485793418 Added MAX_STREAM_DATA stub handler. Vladimir Homutov <vl@nginx.com> parents: 8345 diff changeset	1986 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1987 "quic missing frame handler");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1988 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1989 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1990 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1991
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1992 if (p != end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1993 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1994 "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	1995
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	1996 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1997 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1998 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1999
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2000 if (do_close) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2001 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2002 ngx_quic_close_connection(c, NGX_OK);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2003 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2004
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2005 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2006 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2007
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2008
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2009 static ngx_int_t
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2010 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	2011 {
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2012 ngx_quic_frame_t *frame;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2013
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2014 c->log->action = "generating acknowledgment";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2015
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2016 /* 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	2017
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2018 frame = ngx_quic_alloc_frame(c, 0);
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2019 if (frame == NULL) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2020 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2021 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2022
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2023 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	2024 ? ssl_encryption_application
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2025 : pkt->level;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2026
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2027 frame->type = NGX_QUIC_FT_ACK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2028 frame->u.ack.largest = pkt->pn;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2029
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2030 ngx_sprintf(frame->info, "ACK for PN=%d from frame handler level=%d",
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2031 pkt->pn, frame->level);
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2032 ngx_quic_queue_frame(c->quic, frame);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2033
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2034 return NGX_OK;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2035 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2036
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2037
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2038 static ngx_int_t
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2039 ngx_quic_send_cc(ngx_connection_t *c, enum ssl_encryption_level_t level,
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2040 ngx_uint_t err, ngx_uint_t frame_type, const char *reason)
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2041 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2042 ngx_quic_frame_t *frame;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2043 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2044
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2045 qc = c->quic;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2046
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2047 if (qc->draining) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2048 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2049 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2050
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2051 if (qc->closing
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2052 && 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	2053 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2054 /* dot not send CC too often */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2055 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2056 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2057
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2058 frame = ngx_quic_alloc_frame(c, 0);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2059 if (frame == NULL) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2060 return NGX_ERROR;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2061 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2062
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2063 frame->level = level;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2064 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2065 frame->u.close.error_code = err;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2066 frame->u.close.frame_type = frame_type;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2067
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2068 if (reason) {
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2069 frame->u.close.reason.len = ngx_strlen(reason);
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2070 frame->u.close.reason.data = (u_char *) reason;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2071 }
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2072
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2073 ngx_snprintf(frame->info, sizeof(frame->info) - 1,
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2074 "cc from send_cc err=%ui level=%d ft=%ui reason \"%s\"",
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2075 err, level, frame_type, reason ? reason : "-");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2076
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2077 ngx_quic_queue_frame(c->quic, frame);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2078
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2079 qc->last_cc = ngx_current_msec;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2080
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2081 return ngx_quic_output(c);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2082 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2083
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2084
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2085 static ngx_int_t
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2086 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	2087 {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2088 ngx_str_t token;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2089 ngx_quic_frame_t *frame;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2090
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2091 if (!c->quic->tp.retry) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2092 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2093 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2094
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2095 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	2096 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2097 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2098
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2099 frame = ngx_quic_alloc_frame(c, 0);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2100 if (frame == NULL) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2101 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2102 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2103
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2104 frame->level = ssl_encryption_application;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2105 frame->type = NGX_QUIC_FT_NEW_TOKEN;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2106 frame->u.token.length = token.len;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2107 frame->u.token.data = token.data;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2108 ngx_sprintf(frame->info, "NEW_TOKEN");
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2109 ngx_quic_queue_frame(c->quic, frame);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2110
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2111 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2112 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2113
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2114 static ngx_int_t
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2115 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	2116 ngx_quic_ack_frame_t *ack)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2117 {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2118 ssize_t n;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2119 u_char pos, end;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2120 uint64_t gap, range;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2121 ngx_uint_t i, min, max;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2122 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	2123
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2124 ctx = ngx_quic_get_send_ctx(c->quic, pkt->level);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2125
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2126 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2127 "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	2128
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2129 /*
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2130 * 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	2131 * 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	2132 * (19.3.1)
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2133 */
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2134
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2135 if (ack->first_range > ack->largest) {
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2136 c->quic->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2137 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2138 "quic invalid first range in ack frame");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2139 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2140 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2141
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2142 min = ack->largest - ack->first_range;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2143 max = ack->largest;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2144
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2145 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max) != NGX_OK) {
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2146 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2147 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2148
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2149 /* 13.2.3. Receiver Tracking of ACK Frames */
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2150 if (ctx->largest_ack < max) {
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2151 ctx->largest_ack = max;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2152 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2153 "quic updated largest received ack: %ui", max);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2154 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2155
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2156 pos = ack->ranges_start;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2157 end = ack->ranges_end;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2158
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2159 for (i = 0; i < ack->range_count; i++) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2160
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2161 n = ngx_quic_parse_ack_range(pkt, pos, end, &gap, &range);
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2162 if (n == NGX_ERROR) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2163 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2164 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2165 pos += n;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2166
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2167 if (gap >= min) {
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2168 c->quic->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2169 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2170 "quic invalid range %ui in ack frame", i);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2171 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2172 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2173
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2174 max = min - 1 - gap;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2175
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2176 if (range > max + 1) {
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2177 c->quic->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2178 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2179 "quic invalid range %ui in ack frame", i);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2180 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2181 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2182
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2183 min = max - range + 1;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2184
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2185 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max) != NGX_OK) {
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2186 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2187 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2188 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2189
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2190 return NGX_OK;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2191 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2192
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2193
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2194 static ngx_int_t
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2195 ngx_quic_handle_ack_frame_range(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2196 uint64_t min, uint64_t max)
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2197 {
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2198 ngx_uint_t found;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2199 ngx_queue_t *q;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2200 ngx_quic_frame_t *f;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2201 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2202
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2203 qc = c->quic;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2204
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2205 found = 0;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2206
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2207 q = ngx_queue_head(&ctx->sent);
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2208
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2209 while (q != ngx_queue_sentinel(&ctx->sent)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2210
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2211 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	2212
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2213 if (f->pnum >= min && f->pnum <= max) {
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2214 ngx_quic_congestion_ack(c, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2215
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2216 ngx_quic_handle_stream_ack(c, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2217
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2218 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2219 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2220 ngx_quic_free_frame(c, f);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2221 found = 1;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2222
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2223 } else {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2224 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2225 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2226 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2227
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2228 if (!found) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2229
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2230 if (max <= ctx->pnum) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2231 /* duplicate ACK or ACK for non-ack-eliciting frame */
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	2232 return NGX_OK;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2233 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2234
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2235 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8401 d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	2236 "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	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_PROTOCOL_VIOLATION;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2239 qc->error_ftype = NGX_QUIC_FT_ACK;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	2240 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	2241
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2242 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2243 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2244
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2245 if (!qc->push.timer_set) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2246 ngx_post_event(&qc->push, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2247 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2248
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2249 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2250 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2251
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2252
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2253 static void
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2254 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	2255 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2256 uint64_t sent, unacked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2257 ngx_event_t *wev;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2258 ngx_quic_stream_t *sn;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2259 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2260
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2261 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	2262 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2263 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2264
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2265 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2266
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2267 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	2268 if (sn == NULL) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2269 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2270 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2271
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2272 wev = sn->c->write;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2273 sent = sn->c->sent;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2274 unacked = sent - sn->acked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2275
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2276 if (unacked >= NGX_QUIC_STREAM_BUFSIZE && wev->active) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2277 wev->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2278 ngx_post_event(wev, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2279 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2280
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2281 sn->acked += f->u.stream.length;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2282
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2283 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	2284 "quic stream ack %uL acked:%uL, unacked:%uL",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2285 f->u.stream.length, sn->acked, sent - sn->acked);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2286 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2287
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2288
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2289 static ngx_int_t
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2290 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	2291 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	2292 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2293 size_t full_len;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2294 ngx_int_t rc;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2295 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2296 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2297
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2298 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2299
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2300 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2301 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2302 "quic out-of-order frame: expecting %ui got %ui",
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2303 fs->received, f->offset);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2304
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2305 return ngx_quic_buffer_frame(c, fs, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2306 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2307
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2308 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2309
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2310 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2311 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2312 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2313 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2314 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2315 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2316
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2317 /* intersecting data range, frame modified */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2318 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2319
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2320 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2321
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2322 rc = handler(c, frame, data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2323 if (rc == NGX_ERROR) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2324 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2325
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2326 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2327 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2328 return NGX_OK;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2329 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2330
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2331 /* rc == NGX_OK */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2332
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2333 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2334
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2335 /* 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	2336
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2337 do {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2338 q = ngx_queue_head(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2339 if (q == ngx_queue_sentinel(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2340 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2341 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2342
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2343 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2344 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2345
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2346 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2347 /* gap found, nothing more to do */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2348 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2349 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2350
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2351 full_len = f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2352
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2353 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2354
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2355 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2356 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2357 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2358 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2359 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2360 fs->total -= f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2361
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2362 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2363 "quic skipped buffered frame, total %ui",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2364 fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2365 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2366 continue;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2367 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2368
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2369 /* frame was adjusted, proceed to input */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2370 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2371
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2372 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2373
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2374 rc = handler(c, frame, data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2375
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2376 if (rc == NGX_ERROR) {
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2377 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2378
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2379 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2380 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2381 return NGX_OK;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2382 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2383
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2384 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2385 fs->total -= full_len;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2386
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2387 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2388
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2389 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2390 "quic consumed buffered frame, total %ui", fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2391
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2392 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2393
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2394 } while (1);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2395
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2396 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2397 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2398
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2399
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2400 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2401 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	2402 uint64_t offset_in)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2403 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2404 size_t tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2405 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2406
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2407 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2408
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2409 tail = offset_in - f->offset;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2410
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2411 if (tail >= f->length) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2412 /* range preceeding already received data or duplicate, ignore */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2413
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2414 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2415 "quic old or duplicate data in ordered frame, ignored");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2416 return NGX_DONE;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2417 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2418
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2419 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2420 "quic adjusted ordered frame data start to expected offset");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2421
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2422 /* intersecting range: adjust data size */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2423
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2424 f->offset += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2425 f->data += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2426 f->length -= tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2427
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2428 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2429 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2430
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2431
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2432 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2433 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	2434 ngx_quic_frame_t *frame)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2435 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2436 u_char *data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2437 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2438 ngx_quic_frame_t dst, item;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2439 ngx_quic_ordered_frame_t f, df;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2440
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2441 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2442 "quic ngx_quic_buffer_frame");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2443
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2444 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2445
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2446 /* frame start offset is in the future, buffer it */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2447
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2448 /* check limit on total size used by all buffered frames, not actual data */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2449 if (NGX_QUIC_MAX_BUFFERED - fs->total < f->length) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2450 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2451 "quic ordered input buffer limit exceeded");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2452 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2453 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2454
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2455 dst = ngx_quic_alloc_frame(c, f->length);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2456 if (dst == NULL) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2457 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2458 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2459
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2460 data = dst->data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2461 ngx_memcpy(dst, frame, sizeof(ngx_quic_frame_t));
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2462 dst->data = data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2463
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2464 ngx_memcpy(dst->data, f->data, f->length);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2465
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2466 df = &dst->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2467 df->data = dst->data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2468
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2469 fs->total += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2470
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2471 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2472 "quic ordered frame with unexpected offset:"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2473 " buffered, total %ui", fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2474
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2475 /* TODO: do we need some timeout for this queue ? */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2476
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2477 if (ngx_queue_empty(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2478 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2479 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2480 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2481
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2482 for (q = ngx_queue_last(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2483 q != ngx_queue_sentinel(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2484 q = ngx_queue_prev(q))
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2485 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2486 item = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2487 f = &item->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2488
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2489 if (f->offset < df->offset) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2490 ngx_queue_insert_after(q, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2491 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2492 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2493 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2494
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2495 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2496
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2497 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2498 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2499
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2500
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2501 static ngx_int_t
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2502 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	2503 ngx_quic_frame_t *frame)
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2504 {
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2505 ngx_quic_connection_t *qc;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2506 ngx_quic_frames_stream_t *fs;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2507
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2508 qc = c->quic;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2509 fs = &qc->crypto[pkt->level];
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2510
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2511 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	2512 NULL);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2513 }
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2514
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2515
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2516 static ngx_int_t
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2517 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	2518 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2519 int sslerr;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2520 ssize_t n;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2521 ngx_ssl_conn_t *ssl_conn;
8393 e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2522 ngx_quic_send_ctx_t *ctx;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2523 ngx_quic_crypto_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2524
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2525 f = &frame->u.crypto;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2526
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2527 ssl_conn = c->ssl->connection;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2528
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2529 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2530 "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	2531 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2532 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2533
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2534 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	2535 f->data, f->length))
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2536 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2537 ngx_ssl_error(NGX_LOG_INFO, c->log, 0,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2538 "SSL_provide_quic_data() failed");
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2539 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2540 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2541
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2542 n = SSL_do_handshake(ssl_conn);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2543
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2544 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	2545
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2546 if (n == -1) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2547 sslerr = SSL_get_error(ssl_conn, n);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2548
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2549 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	2550 sslerr);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2551
8300 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	2552 if (sslerr != SSL_ERROR_WANT_READ) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2553 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	2554 return NGX_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2555 }
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2556
8302 76818c9cdd6f Sending HANDSHAKE_DONE just once with BoringSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8301 diff changeset	2557 } else if (n == 1 && !SSL_in_init(ssl_conn)) {
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	2558 c->quic->state = ssl_encryption_application;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2559
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2560 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8299 4ad7d4272cd5 Style. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	2561 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn));
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2562
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2563 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2564 "quic handshake completed successfully");
8273 cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2565
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	2566 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	2567 if (frame == NULL) {
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2568 return NGX_ERROR;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2569 }
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2570
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2571 /* 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	2572 frame->level = ssl_encryption_application;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2573 frame->type = NGX_QUIC_FT_HANDSHAKE_DONE;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2574 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	2575 ngx_quic_queue_frame(c->quic, frame);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2576
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2577 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	2578 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2579 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	2580
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2581 /*
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2582 * Generating next keys before a key update is received.
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2583 * 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	2584 */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2585
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2586 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	2587 &c->quic->next_key)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2588 != NGX_OK)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2589 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2590 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2591 }
8393 e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2592
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2593 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2594 * 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	2595 * when the TLS handshake is confirmed
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2596 */
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2597 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_handshake);
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 8392 diff changeset	2598 ngx_quic_free_frames(c, &ctx->sent);
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2599 }
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2600
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2601 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2602 "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	2603 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2604 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2605
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2606 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2607 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2608
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2609
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2610 static ngx_int_t
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2611 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	2612 ngx_quic_frame_t *frame)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2613 {
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2614 size_t n;
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2615 ngx_buf_t *b;
81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2616 ngx_event_t *rev;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2617 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2618 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2619 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2620 ngx_quic_frames_stream_t *fs;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2621
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2622 qc = c->quic;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2623 f = &frame->u.stream;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2624
8427 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2625 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	2626 && (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	2627 {
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2628 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	2629 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2630 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2631
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2632 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2633
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2634 if (sn == NULL) {
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2635 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2636 "quic stream id 0x%xi is new", f->stream_id);
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2637
8427 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2638 if (f->stream_id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2639 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	2640 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2641 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	2642
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2643 n = (f->stream_id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2644 ? qc->tp.initial_max_stream_data_uni
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2645 : qc->tp.initial_max_stream_data_bidi_remote;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2646
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2647 if (n < NGX_QUIC_STREAM_BUFSIZE) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2648 n = NGX_QUIC_STREAM_BUFSIZE;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2649 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2650
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2651 if (n < f->length) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2652 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2653 "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	2654 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2655 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2656
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2657 /*
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2658 * TODO: check IDs are increasing ? create all lower-numbered?
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2659 *
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2660 * 2.1. Stream Types and Identifiers
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2661 *
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2662 * Within each type, streams are created with numerically increasing
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2663 * stream IDs. A stream ID that is used out of order results in all
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2664 * streams of that type with lower-numbered stream IDs also being
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2665 * opened.
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2666 */
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2667 sn = ngx_quic_create_stream(c, f->stream_id, n);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2668 if (sn == NULL) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2669 return NGX_ERROR;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2670 }
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2671
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2672 rev = sn->c->read;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2673
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2674 if (f->offset == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2675
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2676 b = sn->b;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2677 b->last = ngx_cpymem(b->last, f->data, f->length);
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2678
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2679 sn->fs.received += f->length;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2680
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2681 rev->ready = 1;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2682
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2683 if (f->fin) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2684 rev->pending_eof = 1;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2685 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2686
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2687 } else {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2688 rev->ready = 0;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2689 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2690
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2691 if ((f->stream_id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2692 ngx_quic_handle_max_streams(c);
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2693 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2694
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2695 qc->streams.handler(sn->c);
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2696
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2697 if (f->offset == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2698 return NGX_OK;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2699 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2700
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2701 /* out-of-order stream: proceed to buffering */
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2702 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2703
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2704 fs = &sn->fs;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2705
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2706 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	2707 sn);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2708 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2709
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2710
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2711 static ngx_int_t
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2712 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	2713 {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2714 ngx_buf_t *b;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2715 ngx_event_t *rev;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2716 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2717 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2718 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2719
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2720 qc = c->quic;
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	2721 sn = data;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2722
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2723 f = &frame->u.stream;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2724
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2725 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic existing stream");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2726
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2727 b = sn->b;
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2728
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2729 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	2730 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2731 "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	2732 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2733 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2734
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2735 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	2736 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	2737 b->pos = b->start;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2738 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2739
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2740 b->last = ngx_cpymem(b->last, f->data, f->length);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2741
8294 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2742 rev = sn->c->read;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2743 rev->ready = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2744
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2745 if (f->fin) {
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2746 rev->pending_eof = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2747 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2748
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2749 if (rev->active) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2750 rev->handler(rev);
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2751 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2752
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2753 /* check if stream was destroyed by handler */
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2754 if (ngx_quic_find_stream(&qc->streams.tree, f->stream_id) == NULL) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2755 return NGX_DONE;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2756 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2757
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2758 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2759 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2760
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2761
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2762 static ngx_int_t
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2763 ngx_quic_handle_max_streams(ngx_connection_t *c)
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2764 {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2765 ngx_quic_frame_t *frame;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2766 ngx_quic_connection_t *qc;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2767
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2768 qc = c->quic;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2769 qc->cur_streams++;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2770
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2771 if (qc->cur_streams + NGX_QUIC_STREAMS_INC / 2 < qc->max_streams) {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2772 return NGX_OK;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2773 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2774
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2775 frame = ngx_quic_alloc_frame(c, 0);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2776 if (frame == NULL) {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2777 return NGX_ERROR;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2778 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2779
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2780 qc->max_streams = ngx_max(qc->max_streams + NGX_QUIC_STREAMS_INC,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2781 NGX_QUIC_STREAMS_LIMIT);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2782
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2783 frame->level = ssl_encryption_application;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2784 frame->type = NGX_QUIC_FT_MAX_STREAMS;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2785 frame->u.max_streams.limit = qc->max_streams;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2786 frame->u.max_streams.bidi = 1;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2787
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2788 ngx_sprintf(frame->info, "MAX_STREAMS limit:%d bidi:%d level=%d",
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2789 (int) frame->u.max_streams.limit,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2790 (int) frame->u.max_streams.bidi,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2791 frame->level);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2792
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2793 ngx_quic_queue_frame(qc, frame);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2794
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2795 return NGX_OK;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2796 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2797
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2798
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2799 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	2800 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	2801 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	2802 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2803 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2804 ngx_rbtree_t *tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2805 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	2806 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	2807 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	2808
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2809 qc = c->quic;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2810 tree = &qc->streams.tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2811
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2812 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	2813 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2814 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2815
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2816 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	2817
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2818 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	2819 node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2820 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	2821 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2822 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	2823 wev = qs->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2824
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2825 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2826 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2827 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	2828 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2829 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2830 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2831
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2832 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	2833
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2834 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2835 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2836
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2837
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2838 static ngx_int_t
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2839 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	2840 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	2841 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2842 ngx_quic_frame_t *frame;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2843
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	2844 frame = ngx_quic_alloc_frame(c, 0);
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2845 if (frame == NULL) {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2846 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2847 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2848
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2849 frame->level = pkt->level;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2850 frame->type = NGX_QUIC_FT_MAX_STREAMS;
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2851 frame->u.max_streams.limit = ngx_max(f->limit * 2, NGX_QUIC_STREAMS_LIMIT);
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2852 frame->u.max_streams.bidi = f->bidi;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2853
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2854 c->quic->max_streams = frame->u.max_streams.limit;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2855
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2856 ngx_sprintf(frame->info, "MAX_STREAMS limit:%d bidi:%d level=%d",
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2857 (int) frame->u.max_streams.limit,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2858 (int) frame->u.max_streams.bidi,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2859 frame->level);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2860
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2861 ngx_quic_queue_frame(c->quic, frame);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2862
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2863 return NGX_OK;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2864 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2865
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2866
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2867 static ngx_int_t
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2868 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	2869 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	2870 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2871 size_t n;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2872 ngx_buf_t *b;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2873 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2874 ngx_quic_stream_t *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2875 ngx_quic_connection_t *qc;
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2876
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2877 qc = c->quic;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2878 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	2879
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2880 if (sn == NULL) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2881 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2882 "quic unknown stream id:%uL", f->id);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2883 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2884 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2885
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2886 b = sn->b;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	2887 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2888
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	2889 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	2890 if (frame == NULL) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2891 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2892 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2893
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2894 frame->level = pkt->level;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2895 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	2896 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	2897 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	2898
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2899 ngx_sprintf(frame->info, "MAX_STREAM_DATA id:%d limit:%d level=%d",
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2900 (int) frame->u.max_stream_data.id,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2901 (int) frame->u.max_stream_data.limit,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2902 frame->level);
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2903
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2904 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	2905
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2906 return NGX_OK;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2907 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2908
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2909
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2910 static ngx_int_t
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2911 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	2912 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	2913 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2914 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2915 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2916 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	2917 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	2918
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2919 qc = c->quic;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2920 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	2921
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2922 if (sn == NULL) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2923 ngx_log_error(NGX_LOG_INFO, c->log, 0, "unknown stream id:%uL", f->id);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2924 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2925 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2926
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2927 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	2928 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2929 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2930
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2931 sent = sn->c->sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2932
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2933 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	2934 wev = sn->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2935
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2936 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2937 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2938 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	2939 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2940 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2941
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2942 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	2943
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2944 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2945 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2946
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2947
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2948 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2949 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	2950 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	2951 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2952 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2953 "quic frame handler not implemented");
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2954
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2955 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	2956 && (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	2957 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2958 c->quic->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2959 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2960 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2961
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2962 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2963 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2964
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2965
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2966 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2967 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	2968 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	2969 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2970 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	2971 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	2972
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2973 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2974 "quic frame handler not implemented");
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2975
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2976 qc = c->quic;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2977
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2978 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	2979 && (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	2980 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2981 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	2982 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2983 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2984
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2985 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	2986
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2987 if (sn == NULL) {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2988 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2989 "quic stream id 0x%xi is new", f->id);
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2990
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2991 if (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2992 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	2993 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2994 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2995 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2996
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2997 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2998 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2999
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	3000
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3001 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3002 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	3003 {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3004 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	3005
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3006 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	3007
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3008 ngx_queue_insert_tail(&ctx->frames, &frame->queue);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3009
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3010 /* TODO: check PUSH flag on stream and call output */
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3011
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3012 if (!qc->push.timer_set && !qc->closing) {
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3013 ngx_add_timer(&qc->push, qc->tp.max_ack_delay);
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3014 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3015 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3016
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3017
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3018 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3019 ngx_quic_output(ngx_connection_t *c)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3020 {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3021 ngx_uint_t i;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3022 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3023
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	3024 c->log->action = "sending frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	3025
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3026 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3027
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3028 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	3029 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	3030 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3031 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3032 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3033
8322 d9bc33166361 Do not set timers after the connection is closed. Vladimir Homutov <vl@nginx.com> parents: 8321 diff changeset	3034 if (!qc->send_timer_set && !qc->closing) {
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	3035 qc->send_timer_set = 1;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	3036 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	3037 }
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	3038
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	3039 if (!qc->retransmit.timer_set && !qc->closing) {
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	3040 ngx_add_timer(&qc->retransmit, qc->tp.max_ack_delay);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3041 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3042
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3043 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3044 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3045
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3046
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3047 static ngx_int_t
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3048 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	3049 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3050 size_t len, hlen, n;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3051 ngx_int_t rc;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3052 ngx_uint_t need_ack;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3053 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3054 ngx_quic_frame_t *f;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3055 ngx_quic_congestion_t *cg;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3056 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3057
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3058 qc = c->quic;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3059 cg = &qc->congestion;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3060
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3061 if (ngx_queue_empty(&ctx->frames)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3062 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3063 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3064
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3065 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	3066 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	3067
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	3068 /* 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	3069 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	3070 : NGX_QUIC_MAX_LONG_HEADER;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3071 hlen += EVP_GCM_TLS_TAG_LEN;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3072
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3073 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3074 len = 0;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3075 need_ack = 0;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3076 ngx_queue_init(&range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3077
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3078 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3079 /* process group of frames that fits into packet */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3080 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	3081
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3082 n = ngx_quic_create_frame(NULL, f);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3083
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	3084 if (len && hlen + len + n > qc->ctp.max_udp_payload_size) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3085 break;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3086 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3087
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3088 if (f->need_ack) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3089 need_ack = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3090 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3091
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3092 if (need_ack && cg->in_flight + len + n > cg->window) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3093 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3094 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3095
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3096 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3097
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3098 f->first = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3099
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3100 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3101 ngx_queue_insert_tail(&range, &f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3102
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3103 len += n;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3104
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3105 } while (q != ngx_queue_sentinel(&ctx->frames));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3106
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3107 if (ngx_queue_empty(&range)) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3108 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3109 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3110
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3111 rc = ngx_quic_send_frames(c, &range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3112
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3113 if (rc == NGX_OK) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3114 /*
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3115 * frames are moved into the sent queue
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3116 * to wait for ack/be retransmitted
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3117 */
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3118 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3119 /* if we are closing, any ack will be discarded */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3120 ngx_quic_free_frames(c, &range);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3121
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3122 } else {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3123 ngx_queue_add(&ctx->sent, &range);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3124 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3125
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3126 cg->in_flight += len;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3127
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3128 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3129 "quic congestion send if:%uz", cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3130
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3131 } else if (rc == NGX_DONE) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3132
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3133 /* no ack is expected for this frames, can free them */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3134 ngx_quic_free_frames(c, &range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3135
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3136 } else {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3137 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3138 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3139
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3140 } while (q != ngx_queue_sentinel(&ctx->frames));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3141
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3142 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3143 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3144
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3145
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3146 static void
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3147 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	3148 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3149 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3150 ngx_quic_frame_t *f;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3151
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3152 do {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3153 q = ngx_queue_head(frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3154
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3155 if (q == ngx_queue_sentinel(frames)) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3156 break;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3157 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3158
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3159 ngx_queue_remove(q);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3160
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3161 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	3162
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3163 ngx_quic_free_frame(c, f);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3164 } while (1);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3165 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3166
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3167
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3168 static ngx_int_t
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3169 ngx_quic_send_frames(ngx_connection_t c, ngx_queue_t frames)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3170 {
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3171 ssize_t len;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3172 u_char *p;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3173 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	3174 ngx_str_t out, res;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3175 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	3176 ngx_ssl_conn_t *ssl_conn;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3177 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	3178 ngx_quic_header_t pkt;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3179 ngx_quic_secrets_t *keys;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3180 ngx_quic_send_ctx_t *ctx;
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3181 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	3182 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	3183 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	3184 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3185
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3186 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3187 "quic ngx_quic_send_frames");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3188
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3189 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	3190
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3191 q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3192 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	3193
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3194 ctx = ngx_quic_get_send_ctx(c->quic, start->level);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3195
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3196 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3197
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3198 now = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3199
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3200 p = src;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3201 out.data = src;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3202
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3203 for (q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3204 q != ngx_queue_sentinel(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3205 q = ngx_queue_next(q))
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3206 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3207 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3208
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3209 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3210 "quic frame out: %s", f->info);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3211
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3212 len = ngx_quic_create_frame(p, f);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3213 if (len == -1) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3214 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3215 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3216
8312 053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	3217 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	3218 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	3219 }
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	3220
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3221 p += len;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3222 f->pnum = ctx->pnum;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3223 f->last = now;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3224 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3225
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3226 out.len = p - out.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3227
8301 c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3228 while (out.len < 4) {
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3229 *p++ = NGX_QUIC_FT_PADDING;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3230 out.len++;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3231 }
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	3232
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3233 qc = c->quic;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3234
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3235 keys = &c->quic->keys[start->level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3236
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3237 pkt.secret = &keys->server;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	3238
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3239 pkt.flags = NGX_QUIC_PKT_FIXED_BIT;
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3240
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3241 if (start->level == ssl_encryption_initial) {
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3242 pkt.flags \|= NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_INITIAL;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3243 pkt.token = initial_token;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3244
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3245 } 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	3246 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	3247
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3248 } else {
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3249 if (c->quic->key_phase) {
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3250 pkt.flags \|= NGX_QUIC_PKT_KPHASE;
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	3251 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3252 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3253
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3254 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	3255
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3256 pkt.log = c->log;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3257 pkt.level = start->level;
8344 e0abe17a2878 Removed source/destination swap from the function creating header. Vladimir Homutov <vl@nginx.com> parents: 8343 diff changeset	3258 pkt.dcid = qc->scid;
e0abe17a2878 Removed source/destination swap from the function creating header. Vladimir Homutov <vl@nginx.com> parents: 8343 diff changeset	3259 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	3260 pkt.payload = out;
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8284 diff changeset	3261
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	3262 res.data = dst;
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8284 diff changeset	3263
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3264 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3265 "quic packet ready: %ui bytes at level %d"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3266 " need_ack: %d number: %L encoded %d:0x%xD",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3267 out.len, start->level, pkt.need_ack, pkt.number,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3268 pkt.num_len, pkt.trunc);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3269
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3270 if (ngx_quic_encrypt(&pkt, ssl_conn, &res) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3271 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3272 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3273
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3274 #ifdef NGX_QUIC_DEBUG_PACKETS
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	3275 ngx_quic_hexdump(c->log, "quic packet to send", res.data, res.len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3276 #endif
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3277
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3278 len = c->send(c, res.data, res.len);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3279 if (len == NGX_ERROR \|\| (size_t) len != res.len) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3280 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3281 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3282
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3283 /* 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	3284 ctx->pnum++;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3285
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3286 return pkt.need_ack ? NGX_OK : NGX_DONE;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3287 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3288
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3289
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3290 static void
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3291 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	3292 {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3293 uint64_t delta;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3294
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3295 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	3296 pkt->number = ctx->pnum;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3297
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3298 if (delta <= 0x7F) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3299 pkt->num_len = 1;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3300 pkt->trunc = ctx->pnum & 0xff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3301
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3302 } else if (delta <= 0x7FFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3303 pkt->num_len = 2;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3304 pkt->flags \|= 0x1;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3305 pkt->trunc = ctx->pnum & 0xffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3306
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3307 } else if (delta <= 0x7FFFFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3308 pkt->num_len = 3;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3309 pkt->flags \|= 0x2;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3310 pkt->trunc = ctx->pnum & 0xffffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3311
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3312 } else {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3313 pkt->num_len = 4;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3314 pkt->flags \|= 0x3;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3315 pkt->trunc = ctx->pnum & 0xffffffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3316 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3317 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3318
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3319
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	3320 static void
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3321 ngx_quic_retransmit_handler(ngx_event_t *ev)
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3322 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3323 ngx_uint_t i;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3324 ngx_msec_t wait, nswait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3325 ngx_connection_t *c;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3326 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3327
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3328 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3329 "quic retransmit timer");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3330
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3331 c = ev->data;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3332 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3333
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3334 wait = 0;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3335
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3336 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3337 if (ngx_quic_retransmit(c, &qc->send_ctx[i], &nswait) != NGX_OK) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3338 ngx_quic_close_connection(c, NGX_ERROR);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3339 return;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3340 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3341
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3342 if (i == 0) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3343 wait = nswait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3344
8392 5ffb21c5c93d Fixed frame retransmissions. Vladimir Homutov <vl@nginx.com> parents: 8388 diff changeset	3345 } else if (nswait > 0 && (wait == 0 \|\| wait > nswait)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3346 wait = nswait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3347 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3348 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3349
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3350 if (wait > 0) {
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	3351 ngx_add_timer(&qc->retransmit, wait);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3352 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3353 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3354
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3355
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3356 static void
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3357 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3358 {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3359 ngx_connection_t *c;
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3360
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3361 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	3362
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3363 c = ev->data;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3364
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3365 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	3366 ngx_quic_close_connection(c, NGX_ERROR);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3367 return;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3368 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3369 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3370
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3371
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3372 static ngx_int_t
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3373 ngx_quic_retransmit(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3374 ngx_msec_t *waitp)
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3375 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3376 uint64_t pn;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3377 ngx_msec_t now, wait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3378 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3379 ngx_quic_frame_t f, start;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3380 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3381
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3382 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3383
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3384 now = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3385
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3386 if (ngx_queue_empty(&ctx->sent)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3387 *waitp = 0;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3388 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3389 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3390
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3391 q = ngx_queue_head(&ctx->sent);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3392
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3393 do {
8363 d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3394 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3395
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3396 wait = start->last + qc->tp.max_ack_delay - now;
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3397
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3398 if ((ngx_msec_int_t) wait > 0) {
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3399 break;
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3400 }
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3401
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3402 pn = start->pnum;
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	3403
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3404 ngx_queue_init(&range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3405
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3406 /* send frames with same packet number to the wire */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3407 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3408 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	3409
8388 a9cc1627cf1c Fixed time comparison. Vladimir Homutov <vl@nginx.com> parents: 8387 diff changeset	3410 if (now - start->first > qc->tp.max_idle_timeout) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3411 ngx_log_error(NGX_LOG_ERR, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	3412 "quic retransmission timeout");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3413 return NGX_DECLINED;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3414 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3415
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3416 if (f->pnum != pn) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3417 break;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3418 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3419
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3420 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3421
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3422 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3423 ngx_queue_insert_tail(&range, &f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3424
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3425 } while (q != ngx_queue_sentinel(&ctx->sent));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3426
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3427 ngx_quic_congestion_lost(c, start->last);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3428
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3429 /* NGX_DONE is impossible here, such frames don't get into this queue */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3430 if (ngx_quic_send_frames(c, &range) != NGX_OK) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3431 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3432 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3433
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3434 /* move frames group to the end of queue */
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3435 ngx_queue_add(&ctx->sent, &range);
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3436
8392 5ffb21c5c93d Fixed frame retransmissions. Vladimir Homutov <vl@nginx.com> parents: 8388 diff changeset	3437 wait = qc->tp.max_ack_delay;
5ffb21c5c93d Fixed frame retransmissions. Vladimir Homutov <vl@nginx.com> parents: 8388 diff changeset	3438
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3439 } while (q != ngx_queue_sentinel(&ctx->sent));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3440
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3441 *waitp = wait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3442
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3443 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3444 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3445
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3446
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3447 ngx_connection_t *
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3448 ngx_quic_create_uni_stream(ngx_connection_t *c)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3449 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3450 ngx_uint_t id;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3451 ngx_quic_stream_t qs, sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3452 ngx_quic_connection_t *qc;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3453
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3454 qs = c->qs;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3455 qc = qs->parent->quic;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3456
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3457 id = (qc->streams.id_counter << 2)
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3458 \| NGX_QUIC_STREAM_SERVER_INITIATED
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3459 \| NGX_QUIC_STREAM_UNIDIRECTIONAL;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3460
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3461 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3462 "quic creating server uni stream #%ui id %ui",
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3463 qc->streams.id_counter, id);
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3464
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3465 qc->streams.id_counter++;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3466
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3467 sn = ngx_quic_create_stream(qs->parent, id, 0);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3468 if (sn == NULL) {
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3469 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3470 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3471
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3472 return sn->c;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3473 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3474
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3475
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3476 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3477 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3478 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3479 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3480 ngx_rbtree_node_t **p;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3481 ngx_quic_stream_t qn, qnt;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3482
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3483 for ( ;; ) {
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3484 qn = (ngx_quic_stream_t *) node;
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3485 qnt = (ngx_quic_stream_t *) temp;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3486
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3487 p = (qn->id < qnt->id) ? &temp->left : &temp->right;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3488
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3489 if (*p == sentinel) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3490 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3491 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3492
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3493 temp = *p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3494 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3495
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3496 *p = node;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3497 node->parent = temp;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3498 node->left = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3499 node->right = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3500 ngx_rbt_red(node);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3501 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3502
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3503
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3504 static ngx_quic_stream_t *
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3505 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	3506 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3507 ngx_rbtree_node_t node, sentinel;
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3508 ngx_quic_stream_t *qn;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3509
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3510 node = rbtree->root;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3511 sentinel = rbtree->sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3512
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3513 while (node != sentinel) {
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3514 qn = (ngx_quic_stream_t *) node;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3515
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3516 if (id == qn->id) {
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3517 return qn;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3518 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3519
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	3520 node = (id < qn->id) ? node->left : node->right;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3521 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3522
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3523 return NULL;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3524 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3525
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3526
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3527 static ngx_quic_stream_t *
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3528 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	3529 {
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3530 ngx_log_t *log;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3531 ngx_pool_t *pool;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3532 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	3533 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	3534 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	3535
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3536 qc = c->quic;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3537
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3538 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3539 if (pool == NULL) {
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3540 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3541 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3542
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3543 sn = ngx_pcalloc(pool, sizeof(ngx_quic_stream_t));
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3544 if (sn == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3545 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3546 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3547 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3548
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3549 sn->node.key = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3550 sn->parent = c;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3551 sn->id = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3552
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3553 sn->b = ngx_create_temp_buf(pool, rcvbuf_size);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3554 if (sn->b == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3555 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3556 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3557 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3558
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3559 ngx_queue_init(&sn->fs.frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3560
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3561 log = ngx_palloc(pool, sizeof(ngx_log_t));
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3562 if (log == NULL) {
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3563 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3564 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3565 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3566
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3567 log = c->log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3568 pool->log = log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3569
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3570 sn->c = ngx_get_connection(-1, log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3571 if (sn->c == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3572 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3573 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3574 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3575
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3576 sn->c->qs = sn;
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3577 sn->c->pool = pool;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3578 sn->c->ssl = c->ssl;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3579 sn->c->sockaddr = c->sockaddr;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3580 sn->c->listening = c->listening;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3581 sn->c->addr_text = c->addr_text;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3582 sn->c->local_sockaddr = c->local_sockaddr;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3583 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	3584
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3585 sn->c->recv = ngx_quic_stream_recv;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3586 sn->c->send = ngx_quic_stream_send;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3587 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	3588
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3589 sn->c->read->log = c->log;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3590 sn->c->write->log = c->log;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3591
8362 44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 8361 diff changeset	3592 log->connection = sn->c->number;
44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 8361 diff changeset	3593
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3594 if ((id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3595 \|\| (id & NGX_QUIC_STREAM_SERVER_INITIATED))
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3596 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3597 sn->c->write->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3598 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3599
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3600 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	3601 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	3602 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	3603 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3604
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3605 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3606 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	3607 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	3608 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3609 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	3610 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3611 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3612
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3613 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	3614 if (cln == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3615 ngx_close_connection(sn->c);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3616 ngx_destroy_pool(pool);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3617 return NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3618 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3619
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3620 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	3621 cln->data = sn->c;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3622
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3623 ngx_rbtree_insert(&c->quic->streams.tree, &sn->node);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3624
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3625 return sn;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3626 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3627
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3628
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3629 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3630 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	3631 {
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3632 ssize_t len;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3633 ngx_buf_t *b;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3634 ngx_event_t *rev;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3635 ngx_connection_t *pc;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3636 ngx_quic_frame_t *frame;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3637 ngx_quic_stream_t *qs;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3638 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3639
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3640 qs = c->qs;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3641 b = qs->b;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3642 pc = qs->parent;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3643 qc = pc->quic;
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3644 rev = c->read;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3645
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3646 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3647 "quic stream id 0x%xi recv: eof:%d, avail:%z",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3648 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	3649
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3650 if (b->pos == b->last) {
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3651 rev->ready = 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3652
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3653 if (rev->pending_eof) {
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3654 rev->eof = 1;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3655 return 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3656 }
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3657
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3658 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3659 "quic stream id 0x%xi recv() not ready", qs->id);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3660 return NGX_AGAIN;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3661 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3662
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3663 len = ngx_min(b->last - b->pos, (ssize_t) size);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3664
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3665 ngx_memcpy(buf, b->pos, len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3666
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3667 b->pos += len;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3668 qc->streams.received += len;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3669
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3670 if (b->pos == b->last) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3671 b->pos = b->start;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3672 b->last = b->start;
8294 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3673 rev->ready = rev->pending_eof;
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3674 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3675
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3676 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3677 "quic stream id 0x%xi recv: %z of %uz", qs->id, len, size);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3678
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3679 if (!rev->pending_eof) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3680 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3681 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3682 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3683 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3684
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3685 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3686 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3687 frame->u.max_stream_data.id = qs->id;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3688 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	3689 + (b->end - b->last);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3690
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3691 ngx_sprintf(frame->info, "MAX_STREAM_DATA id:%d limit:%d l=%d on recv",
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3692 (int) frame->u.max_stream_data.id,
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3693 (int) frame->u.max_stream_data.limit,
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3694 frame->level);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3695
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3696 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3697 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3698
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3699 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	3700
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3701 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3702
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3703 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3704 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3705 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3706
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3707 qc->streams.recv_max_data *= 2;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3708
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3709 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3710 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	3711 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	3712
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3713 ngx_sprintf(frame->info, "MAX_DATA max_data:%d level=%d on recv",
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3714 (int) frame->u.max_data.max_data, frame->level);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3715
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3716 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3717
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3718 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3719 "quic stream id 0x%xi recv: increased max data: %ui",
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3720 qs->id, qc->streams.recv_max_data);
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3721 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3722
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3723 return len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3724 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3725
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3726
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3727 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3728 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	3729 {
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3730 u_char p, end;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3731 size_t fsize, limit, n, len;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3732 uint64_t sent, unacked;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3733 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3734 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3735 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3736 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3737
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3738 qs = c->qs;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3739 pc = qs->parent;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3740 qc = pc->quic;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3741
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3742 if (qc->closing) {
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3743 return NGX_ERROR;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3744 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3745
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3746 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3747 "quic stream id 0x%xi send: %uz", qs->id, size);
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3748
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3749 /*
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3750 * 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	3751 * 25 = 1 + 8x3 is max header for STREAM frame, with 1 byte for frame type
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3752 */
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	3753 limit = qc->ctp.max_udp_payload_size - NGX_QUIC_MAX_SHORT_HEADER - 25
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3754 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3755
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3756 len = size;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3757 sent = c->sent;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3758 unacked = sent - qs->acked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3759
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3760 if (qc->streams.send_max_data == 0) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3761 qc->streams.send_max_data = qc->ctp.initial_max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3762 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3763
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3764 if (unacked >= NGX_QUIC_STREAM_BUFSIZE) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3765 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3766 "quic send hit buffer size");
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3767 len = 0;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3768
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3769 } else if (unacked + len > NGX_QUIC_STREAM_BUFSIZE) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3770 len = NGX_QUIC_STREAM_BUFSIZE - unacked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3771 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3772
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3773 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	3774 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3775 "quic send hit MAX_DATA");
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3776 len = 0;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3777
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3778 } else if (qc->streams.sent + len > qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3779 len = qc->streams.send_max_data - qc->streams.sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3780 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3781
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3782 if (sent >= qs->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3783 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3784 "quic send hit MAX_STREAM_DATA");
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3785 len = 0;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3786
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3787 } else if (sent + len > qs->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3788 len = qs->send_max_data - sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3789 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3790
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3791 p = (u_char *) buf;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3792 end = (u_char *) buf + len;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3793 n = 0;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3794
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3795 while (p < end) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3796
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3797 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3798
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3799 frame = ngx_quic_alloc_frame(pc, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3800 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3801 return 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3802 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3803
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3804 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3805
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3806 frame->level = ssl_encryption_application;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3807 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	3808 frame->u.stream.off = 1;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3809 frame->u.stream.len = 1;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3810 frame->u.stream.fin = 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3811
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3812 frame->u.stream.type = frame->type;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3813 frame->u.stream.stream_id = qs->id;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3814 frame->u.stream.offset = c->sent;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3815 frame->u.stream.length = fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3816 frame->u.stream.data = frame->data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3817
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3818 c->sent += fsize;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3819 qc->streams.sent += fsize;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3820 p += fsize;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3821 n += fsize;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3822
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3823 ngx_sprintf(frame->info, "stream 0x%xi len=%ui level=%d",
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3824 qs->id, fsize, frame->level);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3825
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3826 ngx_quic_queue_frame(qc, frame);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3827 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3828
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3829 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3830 "quic send %uz of %uz, sent:%O, unacked:%uL",
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3831 n, size, c->sent, (uint64_t) c->sent - qs->acked);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3832
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3833 if (n != size) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3834 c->write->ready = 0;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3835 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3836
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3837 if (n == 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3838 return NGX_AGAIN;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3839 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3840
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3841 return n;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3842 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3843
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3844
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3845 static void
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3846 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	3847 {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3848 ngx_connection_t *c = data;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3849
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3850 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3851 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3852 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3853 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	3854
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3855 qs = c->qs;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3856 pc = qs->parent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3857 qc = pc->quic;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3858
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3859 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3860 "quic stream id 0x%xi cleanup", qs->id);
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3861
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3862 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	3863 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	3864
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3865 if (qc->closing) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3866 /* 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	3867 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	3868 return;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3869 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3870
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3871 if ((qs->id & 0x03) == NGX_QUIC_STREAM_UNIDIRECTIONAL) {
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3872 /* do not send fin for client unidirectional streams */
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3873 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3874 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3875
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3876 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3877 "quic stream id 0x%xi send fin", qs->id);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3878
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3879 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	3880 if (frame == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3881 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3882 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3883
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3884 frame->level = ssl_encryption_application;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3885 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	3886 frame->u.stream.off = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3887 frame->u.stream.len = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3888 frame->u.stream.fin = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3889
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3890 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	3891 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	3892 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	3893 frame->u.stream.length = 0;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3894 frame->u.stream.data = NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3895
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3896 ngx_sprintf(frame->info, "stream 0x%xi fin=1 level=%d",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3897 qs->id, frame->level);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3898
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3899 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	3900
1ec905f4d851 Push QUIC stream frames in send() and cleanup handler. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	3901 (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	3902 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3903
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3904
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3905 static ngx_chain_t *
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3906 ngx_quic_stream_send_chain(ngx_connection_t c, ngx_chain_t in,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3907 off_t limit)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3908 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3909 size_t len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3910 ssize_t n;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3911 ngx_buf_t *b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3912
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3913 for ( /* void */; in; in = in->next) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3914 b = in->buf;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3915
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3916 if (!ngx_buf_in_memory(b)) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3917 continue;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3918 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3919
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3920 if (ngx_buf_size(b) == 0) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3921 continue;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3922 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3923
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3924 len = b->last - b->pos;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3925
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3926 n = ngx_quic_stream_send(c, b->pos, len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3927
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3928 if (n == NGX_ERROR) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3929 return NGX_CHAIN_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3930 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3931
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3932 if (n == NGX_AGAIN) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3933 return in;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3934 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3935
8350 47dac6e0521a Fixed QUIC buffer consumption in send_chain(). Roman Arutyunyan <arut@nginx.com> parents: 8348 diff changeset	3936 b->pos += n;
47dac6e0521a Fixed QUIC buffer consumption in send_chain(). Roman Arutyunyan <arut@nginx.com> parents: 8348 diff changeset	3937
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3938 if (n != (ssize_t) len) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3939 return in;
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 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3942
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3943 return NULL;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3944 }
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3945
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3946
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3947 static ngx_quic_frame_t *
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3948 ngx_quic_alloc_frame(ngx_connection_t *c, size_t size)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3949 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3950 u_char *p;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3951 ngx_queue_t *q;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3952 ngx_quic_frame_t *frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3953 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3954
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3955 if (size) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3956 p = ngx_alloc(size, c->log);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3957 if (p == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3958 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3959 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3960
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3961 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3962 p = NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3963 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3964
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3965 qc = c->quic;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3966
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3967 if (!ngx_queue_empty(&qc->free_frames)) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3968
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3969 q = ngx_queue_head(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3970 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	3971
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3972 ngx_queue_remove(&frame->queue);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3973
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3974 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3975 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3976 "quic reuse frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3977 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3978
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3979 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3980 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3981 if (frame == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3982 ngx_free(p);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3983 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3984 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3985
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3986 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3987 ++qc->nframes;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3988 #endif
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3989
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3990 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3991 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3992 "quic alloc frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3993 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3994 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3995
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3996 ngx_memzero(frame, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3997
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3998 frame->data = p;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3999
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4000 return frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4001 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4002
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4003
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4004 static void
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4005 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	4006 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4007 ssize_t n;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4008 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4009 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4010 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4011
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4012 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4013 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4014
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4015 n = ngx_quic_create_frame(NULL, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4016
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4017 cg->in_flight -= n;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4018
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4019 timer = f->last - cg->recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4020
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4021 if ((ngx_msec_int_t) timer <= 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4022 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4023 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4024
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4025 if (cg->window < cg->ssthresh) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4026 cg->window += n;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4027
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4028 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4029 "quic congestion slow start win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4030 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4031
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4032 } else {
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	4033 cg->window += qc->tp.max_udp_payload_size * n / cg->window;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4034
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4035 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4036 "quic congestion avoidance win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4037 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4038 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4039
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4040 /* prevent recovery_start from wrapping */
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4041
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4042 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	4043
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4044 if ((ngx_msec_int_t) timer < 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4045 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	4046 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4047 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4048
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4049
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4050 static void
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4051 ngx_quic_congestion_lost(ngx_connection_t *c, ngx_msec_t sent)
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4052 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4053 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4054 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4055 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4056
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4057 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4058 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4059
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4060 timer = sent - cg->recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4061
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4062 if ((ngx_msec_int_t) timer <= 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4063 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4064 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4065
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4066 cg->recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4067 cg->window /= 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4068
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	4069 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	4070 cg->window = qc->tp.max_udp_payload_size * 2;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4071 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4072
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4073 cg->ssthresh = cg->window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4074
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4075 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4076 "quic congestion lost win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4077 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4078 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4079
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4080
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4081 static void
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4082 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	4083 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4084 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4085
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4086 qc = c->quic;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4087
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4088 if (frame->data) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4089 ngx_free(frame->data);
8394 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 8393 diff changeset	4090 frame->data = NULL;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4091 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4092
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4093 ngx_queue_insert_head(&qc->free_frames, &frame->queue);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4094
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4095 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4096 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4097 "quic free frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4098 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	4099 }

Mercurial > hg > nginx

annotate src/event/ngx_event_quic.c @ 8428:953cf44708b0 quic