nginx: src/event/ngx_event

annotate src/event/ngx_event_quic.c @ 8369:bddf704d62c1 quic

Renamed retransmit event object in preparation for retry support.

author	Sergey Kandaurov <pluknet@nginx.com>
date	Wed, 29 Apr 2020 14:59:21 +0300
parents	89ccb04736b9
children	262396242352

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
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	36 typedef enum {
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	37 NGX_QUIC_ST_INITIAL, /* connection just created */
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	38 NGX_QUIC_ST_HANDSHAKE, /* handshake started */
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	39 NGX_QUIC_ST_EARLY_DATA, /* handshake in progress */
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	40 NGX_QUIC_ST_APPLICATION /* handshake complete */
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	41 } ngx_quic_state_t;
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	42
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	43
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	44 typedef struct {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	45 ngx_rbtree_t tree;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	46 ngx_rbtree_node_t sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	47 ngx_connection_handler_pt handler;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	48
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	49 ngx_uint_t id_counter;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	50
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	51 uint64_t received;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	52 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	53 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	54 uint64_t send_max_data;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	55 } ngx_quic_streams_t;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	56
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	57
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	58 typedef struct {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	59 size_t in_flight;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	60 size_t window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	61 size_t ssthresh;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	62 ngx_msec_t recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	63 } ngx_quic_congestion_t;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	64
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	65
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	66 /*
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	67 * 12.3. Packet Numbers
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	68 *
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	69 * 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	70 * 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	71 * 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	72 * are also Initial packets.
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	73 */
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	74 typedef struct {
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	75 ngx_quic_secret_t client_secret;
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	76 ngx_quic_secret_t server_secret;
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	77
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	78 uint64_t pnum; /* packet number to send */
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	79 uint64_t largest_ack; /* number received from peer */
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	80 uint64_t largest_pn; /* number received from peer */
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	81
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	82 ngx_queue_t frames;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	83 ngx_queue_t sent;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	84 } ngx_quic_send_ctx_t;
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	85
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	86
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	87 struct ngx_quic_connection_s {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	88 ngx_str_t scid;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	89 ngx_str_t dcid;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	90 ngx_str_t token;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	91
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	92 ngx_uint_t client_tp_done;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	93 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	94 ngx_quic_tp_t ctp;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	95
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	96 ngx_quic_state_t state;
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	97
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	98 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	99 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	100 ngx_quic_secrets_t next_key;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	101 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	102
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	103 ngx_ssl_t *ssl;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	104
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	105 ngx_event_t push;
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	106 ngx_event_t retransmit;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	107 ngx_event_t close;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	108 ngx_queue_t free_frames;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	109 ngx_msec_t last_cc;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	110
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	111 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	112 ngx_uint_t nframes;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	113 #endif
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	114
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	115 ngx_quic_streams_t streams;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	116 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	117
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	118 uint64_t cur_streams;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	119 uint64_t max_streams;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	120
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	121 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	122 unsigned closing:1;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	123 unsigned draining:1;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	124 unsigned key_phase:1;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	125 };
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	126
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	127
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	128 typedef ngx_int_t (ngx_quic_frame_handler_pt)(ngx_connection_t c,
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	129 ngx_quic_frame_t *frame);
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	130
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	131
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	132 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	133 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	134 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	135 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	136 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	137 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	138 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	139 #else
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	140 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	141 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	142 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	143 #endif
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	144
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	145 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	146 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	147 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	148 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	149 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	150
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	151
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	152 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	153 ngx_quic_tp_t tp, ngx_quic_header_t pkt,
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	154 ngx_connection_handler_pt handler);
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	155 static ngx_int_t ngx_quic_new_cid(ngx_pool_t pool, ngx_str_t sid);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	156 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	157 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	158
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	159 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	160 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	161 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	162 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	163 ngx_quic_connection_t *qc);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	164
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	165 static ngx_int_t ngx_quic_input(ngx_connection_t c, ngx_buf_t b);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	166 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	167 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	168 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	169 ngx_quic_header_t *pkt);
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	170 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	171 ngx_quic_header_t *pkt);
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	172 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	173 ngx_quic_header_t *pkt);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	174 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	175 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	176 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	177 ngx_quic_header_t *pkt);
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	178 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	179 static ngx_int_t ngx_quic_send_cc(ngx_connection_t *c,
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	180 enum ssl_encryption_level_t level, ngx_uint_t err);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	181
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	182 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	183 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	184 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	185 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	186 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	187 ngx_quic_frame_t *f);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	188
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	189 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	190 ngx_quic_frames_stream_t fs, ngx_quic_frame_t frame,
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	191 ngx_quic_frame_handler_pt handler);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	192 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	193 ngx_quic_frame_t *f, uint64_t offset_in);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	194 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	195 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	196
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	197 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	198 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	199 static ngx_int_t ngx_quic_crypto_input(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	200 ngx_quic_frame_t *frame);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	201 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	202 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	203 static ngx_int_t ngx_quic_stream_input(ngx_connection_t *c,
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	204 ngx_quic_frame_t *frame);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	205
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	206 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	207 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	208 ngx_quic_max_data_frame_t *f);
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	209 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	210 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	211 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	212 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	213 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	214 ngx_quic_header_t pkt, ngx_quic_max_stream_data_frame_t f);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	215
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	216 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	217 ngx_quic_frame_t *frame);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	218
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	219 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	220 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	221 ngx_quic_send_ctx_t *ctx);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	222 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	223 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	224
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	225 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	226 ngx_quic_send_ctx_t *ctx);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	227 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	228 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	229 ngx_quic_send_ctx_t ctx, ngx_msec_t waitp);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	230 static void ngx_quic_push_handler(ngx_event_t *ev);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	231
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	232 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	233 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	234 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	235 uint64_t id);
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	236 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	237 uint64_t id, size_t rcvbuf_size);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	238 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	239 size_t size);
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	240 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	241 size_t size);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	242 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	243 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	244 ngx_chain_t *in, off_t limit);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	245 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	246 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	247
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	248 static void ngx_quic_congestion_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	249 ngx_quic_frame_t *frame);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	250 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	251
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	252
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	253 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	254 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	255 ngx_quic_set_read_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	256 ngx_quic_set_write_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	257 #else
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	258 ngx_quic_set_encryption_secrets,
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	259 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	260 ngx_quic_add_handshake_data,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	261 ngx_quic_flush_flight,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	262 ngx_quic_send_alert,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	263 };
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	264
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	265
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
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	268 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	269 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	270 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	271 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	272 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	273 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	274 ngx_quic_secrets_t *keys;
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	275
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	276 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	277
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	278 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	279 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	280 "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	281 ngx_quic_hexdump(c->log, "quic read secret", rsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	282 #endif
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	283
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	284 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	285
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	286 if (level == ssl_encryption_early_data) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	287 c->quic->state = NGX_QUIC_ST_EARLY_DATA;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	288 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	289
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	290 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	291 rsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	292 &keys->client);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	293 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	294
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	295
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	296 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	297 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	298 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	299 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	300 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	301 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	302 ngx_quic_secrets_t *keys;
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	303
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	304 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	305
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	306 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	307 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	308 "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	309 ngx_quic_hexdump(c->log, "quic write secret", wsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	310 #endif
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	311
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	312 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	313
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	314 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	315 wsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	316 &keys->server);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	317 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	318
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	319 #else
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	320
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	321 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	322 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	323 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	324 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	325 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	326 ngx_int_t rc;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	327 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	328 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	329
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	330 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	331
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	332 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	333 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	334 "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	335 ngx_quic_hexdump(c->log, "quic read", rsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	336 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	337
8327 0ae50d90658a Fixed build with OpenSSL using old callbacks API. Sergey Kandaurov <pluknet@nginx.com> parents: 8326 diff changeset	338 keys = &c->quic->keys[level];
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	339
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	340 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	341 rsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	342 &keys->client);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	343 if (rc != 1) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	344 return rc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	345 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	346
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	347 if (level == ssl_encryption_early_data) {
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	348 c->quic->state = NGX_QUIC_ST_EARLY_DATA;
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	349 return 1;
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	350 }
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	351
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	352 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	353 ngx_quic_hexdump(c->log, "quic write", wsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	354 #endif
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	355
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	356 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	357 wsecret, secret_len,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	358 &keys->server);
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	359 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	360
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	361 #endif
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	362
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	363
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	364 static int
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	365 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	366 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	367 {
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	368 u_char p, end;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	369 size_t client_params_len, fsize, limit;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	370 const uint8_t *client_params;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	371 ngx_quic_frame_t *frame;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	372 ngx_connection_t *c;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	373 ngx_quic_connection_t *qc;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	374 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	375
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	376 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	377 qc = c->quic;
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	378
8186 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 8185 diff changeset	379 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	380 "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	381
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	382 /* XXX: obtain client parameters after the handshake? */
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	383 if (!qc->client_tp_done) {
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	384
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	385 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	386 &client_params_len);
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	387
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	388 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	389 "quic SSL_get_peer_quic_transport_params():"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	390 " params_len %ui", client_params_len);
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	391
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	392 if (client_params_len != 0) {
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	393 p = (u_char *) client_params;
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	394 end = p + client_params_len;
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	395
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	396 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	397 != NGX_OK)
8260 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 return NGX_ERROR;
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	400 }
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	401
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	402 if (qc->ctp.max_idle_timeout > 0
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	403 && 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	404 {
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	405 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	406 }
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	407
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	408 if (qc->ctp.max_packet_size < NGX_QUIC_MIN_INITIAL_SIZE
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	409 \|\| qc->ctp.max_packet_size > NGX_QUIC_DEFAULT_MAX_PACKET_SIZE)
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	410 {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	411 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	412 "quic maximum packet size is invalid");
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	413 return NGX_ERROR;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	414 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	415
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	416 qc->client_tp_done = 1;
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	417 }
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	418 }
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	419
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	420 /*
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	421 * 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	422 * 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	423 */
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	424 limit = qc->ctp.max_packet_size - NGX_QUIC_MAX_LONG_HEADER - 17
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	425 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	426
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	427 fs = &qc->crypto[level];
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	428
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	429 p = (u_char *) data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	430 end = (u_char *) data + len;
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 while (p < end) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	433
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	434 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	435
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	436 frame = ngx_quic_alloc_frame(c, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	437 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	438 return 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	439 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	440
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	441 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	442
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	443 frame->level = level;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	444 frame->type = NGX_QUIC_FT_CRYPTO;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	445 frame->u.crypto.offset = fs->sent;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	446 frame->u.crypto.length = fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	447 frame->u.crypto.data = frame->data;
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 fs->sent += fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	450 p += fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	451
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	452 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	453 fsize, level);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	454
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	455 ngx_quic_queue_frame(qc, frame);
8186 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 8185 diff changeset	456 }
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	457
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	458 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	459 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	460
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	461
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	462 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	463 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	464 {
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	465 #if (NGX_DEBUG)
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	466 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	467
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	468 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	469
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	470 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	471 "quic ngx_quic_flush_flight()");
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	472 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	473 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	474 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	475
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	476
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	477 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	478 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	479 uint8_t alert)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	480 {
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	481 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	482
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	483 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	484
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	485 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	486 "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	487 (int) level, (int) alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	488
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	489 if (c->quic == NULL) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	490 return 1;
8235 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	491 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	492
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	493 if (ngx_quic_send_cc(c, level, 0x100 + alert) != NGX_OK) {
8235 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	494 return 0;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	495 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	496
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	497 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	498 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	499
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	500
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	501 void
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	502 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	503 ngx_connection_handler_pt handler)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	504 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	505 ngx_buf_t *b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	506 ngx_quic_header_t pkt;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	507
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	508 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	509
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	510 c->log->action = "QUIC initialization";
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	511
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	512 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	513
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	514 b = c->buffer;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	515
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	516 pkt.log = c->log;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	517 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	518 pkt.data = b->start;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	519 pkt.len = b->last - b->start;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	520
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	521 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	522 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	523 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	524 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	525
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	526 ngx_add_timer(c->read, c->quic->tp.max_idle_timeout);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	527
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	528 c->read->handler = ngx_quic_input_handler;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	529
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	530 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	531 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	532
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	533
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	534 static ngx_int_t
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	535 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	536 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	537 {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	538 ngx_uint_t i;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	539 ngx_quic_tp_t *ctp;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	540 ngx_quic_secrets_t *keys;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	541 ngx_quic_send_ctx_t *ctx;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	542 ngx_quic_connection_t *qc;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	543 static u_char buf[NGX_QUIC_DEFAULT_MAX_PACKET_SIZE];
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	544
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	545 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	546 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	547 "quic UDP datagram is too small for initial packet");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	548 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	549 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	550
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	551 if (ngx_quic_parse_long_header(pkt) != NGX_OK) {
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	552 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	553 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	554
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	555 if (!ngx_quic_pkt_in(pkt->flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	556 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	557 "quic invalid initial packet: 0x%xi", pkt->flags);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	558 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	559 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	560
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	561 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	562 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	563 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	564
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	565 c->log->action = "creating new quic connection";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	566
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	567 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	568 if (qc == NULL) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	569 return NGX_ERROR;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	570 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	571
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	572 qc->state = NGX_QUIC_ST_INITIAL;
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	573
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	574 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	575 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	576
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	577 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	578 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	579 ngx_queue_init(&qc->send_ctx[i].sent);
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	580 qc->send_ctx[i].largest_pn = (uint64_t) -1;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	581 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	582
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	583 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	584 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	585 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	586
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	587 ngx_queue_init(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	588
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	589 qc->retransmit.log = c->log;
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	590 qc->retransmit.data = c;
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	591 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	592 qc->retransmit.cancelable = 1;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	593
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	594 qc->push.log = c->log;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	595 qc->push.data = c;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	596 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	597 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	598
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	599 c->quic = qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	600 qc->ssl = ssl;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	601 qc->tp = *tp;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	602 qc->streams.handler = handler;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	603
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	604 ctp = &qc->ctp;
d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	605 ctp->max_packet_size = NGX_QUIC_DEFAULT_MAX_PACKET_SIZE;
d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	606 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	607 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	608
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	609 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	610
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	611 qc->congestion.window = ngx_min(10 * qc->tp.max_packet_size,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	612 ngx_max(2 * qc->tp.max_packet_size, 14720));
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	613 qc->congestion.ssthresh = NGX_MAX_SIZE_T_VALUE;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	614 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	615
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	616 if (ngx_quic_new_cid(c->pool, &qc->dcid) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	617 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	618 }
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	619
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	620 #ifdef NGX_QUIC_DEBUG_PACKETS
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	621 ngx_quic_hexdump(c->log, "quic server CID", qc->dcid.data, qc->dcid.len);
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	622 #endif
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	623
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	624 qc->scid.len = pkt->scid.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	625 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	626 if (qc->scid.data == NULL) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	627 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	628 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	629 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	630
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	631 qc->token.len = pkt->token.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	632 qc->token.data = ngx_pnalloc(c->pool, qc->token.len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	633 if (qc->token.data == NULL) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	634 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	635 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	636 ngx_memcpy(qc->token.data, pkt->token.data, qc->token.len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	637
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	638 keys = &c->quic->keys[ssl_encryption_initial];
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	639
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	640 if (ngx_quic_set_initial_secret(c->pool, &keys->client, &keys->server,
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	641 &pkt->dcid)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	642 != NGX_OK)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	643 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	644 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	645 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	646
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	647 pkt->secret = &keys->client;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	648 pkt->level = ssl_encryption_initial;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	649 pkt->plaintext = buf;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	650
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	651 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	652
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	653 if (ngx_quic_decrypt(pkt, NULL, &ctx->largest_pn) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	654 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	655 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	656
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	657 if (ngx_quic_init_connection(c) != NGX_OK) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	658 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	659 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	660
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	661 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	662 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	663 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	664
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	665 /* pos is at header end, adjust by actual packet length */
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	666 pkt->raw->pos += pkt->len;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	667
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	668 return ngx_quic_input(c, pkt->raw);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	669 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	670
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	671
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	672 static ngx_int_t
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	673 ngx_quic_new_cid(ngx_pool_t pool, ngx_str_t cid)
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	674 {
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	675 uint8_t len;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	676
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	677 if (RAND_bytes(&len, sizeof(len)) != 1) {
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	678 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	679 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	680
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	681 len = len % 10 + 10;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	682
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	683 cid->len = len;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	684 cid->data = ngx_pnalloc(pool, len);
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	685 if (cid->data == NULL) {
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	686 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	687 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	688
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	689 if (RAND_bytes(cid->data, len) != 1) {
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	690 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	691 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	692
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	693 return NGX_OK;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	694 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	695
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	696
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	697 static ngx_int_t
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	698 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	699 {
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	700 int n, sslerr;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	701 u_char *p;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	702 ssize_t len;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	703 ngx_ssl_conn_t *ssl_conn;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	704 ngx_quic_connection_t *qc;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	705
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	706 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	707
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	708 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	709 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	710 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	711
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	712 ssl_conn = c->ssl->connection;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	713
8232 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	714 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	715 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	716 "quic SSL_set_quic_method() failed");
8232 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	717 return NGX_ERROR;
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	718 }
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	719
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	720 #ifdef SSL_READ_EARLY_DATA_SUCCESS
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	721 if (SSL_CTX_get_max_early_data(qc->ssl->ctx)) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	722 SSL_set_quic_early_data_enabled(ssl_conn, 1);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	723 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	724 #endif
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	725
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	726 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp);
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	727 /* always succeeds */
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	728
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	729 p = ngx_pnalloc(c->pool, len);
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	730 if (p == NULL) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	731 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	732 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	733
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	734 len = ngx_quic_create_transport_params(p, p + len, &qc->tp);
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	735 if (len < 0) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	736 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	737 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	738
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	739 #ifdef NGX_QUIC_DEBUG_PACKETS
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	740 ngx_quic_hexdump(c->log, "quic transport parameters", p, len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	741 #endif
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	742
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	743 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	744 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	745 "quic SSL_set_quic_transport_params() failed");
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	746 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	747 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	748
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	749 qc->max_streams = qc->tp.initial_max_streams_bidi;
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	750 qc->state = NGX_QUIC_ST_HANDSHAKE;
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	751
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	752 n = SSL_do_handshake(ssl_conn);
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	753
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	754 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	755 "quic SSL_do_handshake: %d", n);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	756
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	757 if (n == -1) {
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	758 sslerr = SSL_get_error(ssl_conn, n);
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	759
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	760 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	761 "quic SSL_get_error: %d", sslerr);
8300 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	762
23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	763 if (sslerr != SSL_ERROR_WANT_READ) {
23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	764 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed");
23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	765 return NGX_ERROR;
23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	766 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	767 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	768
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	769 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	770 "quic SSL_quic_read_level: %d, SSL_quic_write_level: %d",
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	771 (int) SSL_quic_read_level(ssl_conn),
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	772 (int) SSL_quic_write_level(ssl_conn));
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	773
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	774 return NGX_OK;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	775 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	776
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	777
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	778 static void
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	779 ngx_quic_input_handler(ngx_event_t *rev)
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	780 {
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	781 ssize_t n;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	782 ngx_buf_t b;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	783 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	784 ngx_quic_connection_t *qc;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	785 static u_char buf[NGX_QUIC_DEFAULT_MAX_PACKET_SIZE];
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	786
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	787 b.start = buf;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	788 b.end = buf + sizeof(buf);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	789 b.pos = b.last = b.start;
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	790
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	791 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	792 qc = c->quic;
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	793
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	794 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	795
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	796 if (rev->timedout) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	797 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	798 "quic client timed out");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	799 ngx_quic_close_connection(c, NGX_DONE);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	800 return;
8212 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	801 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	802
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	803 if (c->close) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	804 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	805 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	806 }
8220 7ada2feeac18 Added processing of CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8218 diff changeset	807
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	808 n = c->recv(c, b.start, b.end - b.start);
8215 38c0898b6df7 HTTP/3. Roman Arutyunyan <arut@nginx.com> parents: 8214 diff changeset	809
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	810 if (n == NGX_AGAIN) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	811 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	812 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	813 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	814 return;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	815 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	816
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	817 if (n == NGX_ERROR) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	818 c->read->eof = 1;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	819 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	820 return;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	821 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	822
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	823 b.last += n;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	824
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	825 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	826 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	827 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	828 }
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	829
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	830 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	831 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	832 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	833
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	834
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	835 static void
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	836 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	837 {
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	838 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	839
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	840 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	841 "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	842
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	843 if (!c->quic) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	844 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	845 "quic close connection early error");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	846
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	847 } 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	848 return;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	849 }
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	850
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	851 if (c->ssl) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	852 (void) ngx_ssl_shutdown(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	853 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	854
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	855 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	856 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	857 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	858
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	859 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	860 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	861 #endif
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	862
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	863 c->destroyed = 1;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	864
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	865 pool = c->pool;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	866
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	867 ngx_close_connection(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	868
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	869 ngx_destroy_pool(pool);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	870 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	871
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	872
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	873 static ngx_int_t
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	874 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	875 {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	876 ngx_uint_t i;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	877 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	878 enum ssl_encryption_level_t level;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	879
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	880 qc = c->quic;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	881
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	882 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	883
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	884 if (rc == NGX_OK) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	885
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	886 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	887 * 10.3. Immediate Close
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	888 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	889 * An endpoint sends a CONNECTION_CLOSE frame (Section 19.19) to
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	890 * terminate the connection immediately.
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	891 */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	892 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	893 "quic immediate close, drain = %d", qc->draining);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	894
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	895 switch (qc->state) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	896 case NGX_QUIC_ST_INITIAL:
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	897 level = ssl_encryption_initial;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	898 break;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	899
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	900 case NGX_QUIC_ST_HANDSHAKE:
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	901 level = ssl_encryption_handshake;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	902 break;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	903
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	904 default: /* NGX_QUIC_ST_APPLICATION/EARLY_DATA */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	905 level = ssl_encryption_application;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	906 break;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	907 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	908
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	909 if (ngx_quic_send_cc(c, level, NGX_QUIC_ERR_NO_ERROR) == NGX_OK) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	910
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	911 qc->close.log = c->log;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	912 qc->close.data = c;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	913 qc->close.handler = ngx_quic_close_timer_handler;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	914 qc->close.cancelable = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	915
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	916 ngx_add_timer(&qc->close, 3 * NGX_QUIC_HARDCODED_PTO);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	917 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	918
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	919 } else if (rc == NGX_DONE) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	920
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	921 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	922 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	923 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	924 * 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	925 * 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	926 */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	927
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	928 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	929 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	930 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	931
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	932 } else {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	933 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	934 "quic immediate close due to fatal error");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	935 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	936
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	937 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	938 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	939
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	940 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	941 /* 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	942 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	943 }
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	944
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	945 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	946 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	947 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	948
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	949 if (qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	950 return NGX_AGAIN;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	951 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	952
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	953 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	954 ngx_quic_free_frames(c, &qc->crypto[i].frames);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	955 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	956
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	957 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	958 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	959 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	960 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	961
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	962 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	963 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	964 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	965
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	966 if (qc->retransmit.timer_set) {
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	967 ngx_del_timer(&qc->retransmit);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	968 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	969
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	970 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	971 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	972
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	973 /* 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	974 c->quic = NULL;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	975
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	976 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	977 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	978
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	979
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	980 static void
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	981 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	982 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	983 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	984
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	985 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	986
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	987 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	988 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	989 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	990
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	991
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	992 static ngx_int_t
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	993 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	994 {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	995 ngx_event_t *rev;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	996 ngx_rbtree_t *tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	997 ngx_rbtree_node_t *node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	998 ngx_quic_stream_t *qs;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	999
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1000 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1001 ngx_uint_t ns;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1002 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1003
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1004 tree = &qc->streams.tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1005
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1006 if (tree->root == tree->sentinel) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1007 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1008 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1009
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1010 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1011 ns = 0;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1012 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1013
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1014 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1015 node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1016 node = ngx_rbtree_next(tree, node))
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1017 {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1018 qs = (ngx_quic_stream_t *) node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1019
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1020 rev = qs->c->read;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1021 rev->ready = 1;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1022 rev->pending_eof = 1;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1023
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1024 ngx_post_event(rev, &ngx_posted_events);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1025
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1026 if (rev->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1027 ngx_del_timer(rev);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1028 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1029
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1030 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1031 ns++;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1032 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1033 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1034
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1035 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	1036 "quic connection has %ui active streams", ns);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1037
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1038 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1039 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1040
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1041
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1042 static ngx_int_t
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1043 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	1044 {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1045 u_char *p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1046 ngx_int_t rc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1047 ngx_quic_header_t pkt;
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1048
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1049 p = b->pos;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1050
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1051 while (p < b->last) {
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1052 c->log->action = "processing quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1053
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1054 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1055 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1056 pkt.data = p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1057 pkt.len = b->last - p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1058 pkt.log = c->log;
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1059 pkt.flags = p[0];
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1060
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1061 if (pkt.flags == 0) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1062 /* XXX: no idea WTF is this, just ignore */
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1063 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1064 "quic packet with zero flags, presumably"
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1065 " firefox padding, ignored");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1066 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1067 }
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1068
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1069 // TODO: check current state
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1070 if (ngx_quic_long_pkt(pkt.flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1071
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1072 if (ngx_quic_pkt_in(pkt.flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1073 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	1074
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1075 } else if (ngx_quic_pkt_hs(pkt.flags)) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1076 rc = ngx_quic_handshake_input(c, &pkt);
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1077
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1078 } else if (ngx_quic_pkt_zrtt(pkt.flags)) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1079 rc = ngx_quic_early_input(c, &pkt);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1080
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1081 } else {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1082 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1083 "quic unknown long packet type");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1084 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1085 }
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1086
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1087 } else {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1088 rc = ngx_quic_app_input(c, &pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1089 }
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1090
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1091 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1092 return NGX_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1093 }
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1094
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1095 /* NGX_OK \|\| NGX_DECLINED */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1096
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1097 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1098 * 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	1099 * to decrypt packet.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1100 * 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	1101 * retransmission:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1102 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1103 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1104 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1105 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1106 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1107 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1108 * attempt to process the remaining packets.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1109 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1110
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1111 /* b->pos is at header end, adjust by actual packet length */
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1112 p = b->pos + pkt.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1113 b->pos = p; /* reset b->pos to the next packet start */
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1114 }
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1115
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1116 return NGX_OK;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1117 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1118
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1119
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1120 static ngx_int_t
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1121 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	1122 {
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1123 ngx_ssl_conn_t *ssl_conn;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1124 ngx_quic_secrets_t *keys;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1125 ngx_quic_send_ctx_t *ctx;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1126 static u_char buf[NGX_QUIC_DEFAULT_MAX_PACKET_SIZE];
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1127
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1128 c->log->action = "processing initial quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1129
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1130 ssl_conn = c->ssl->connection;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1131
8224 ae35ccba7aa6 Extracted transport part of the code into separate file. Vladimir Homutov <vl@nginx.com> parents: 8223 diff changeset	1132 if (ngx_quic_parse_long_header(pkt) != NGX_OK) {
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1133 return NGX_ERROR;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1134 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1135
8224 ae35ccba7aa6 Extracted transport part of the code into separate file. Vladimir Homutov <vl@nginx.com> parents: 8223 diff changeset	1136 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1137 return NGX_ERROR;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1138 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1139
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1140 keys = &c->quic->keys[ssl_encryption_initial];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1141
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1142 pkt->secret = &keys->client;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1143 pkt->level = ssl_encryption_initial;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1144 pkt->plaintext = buf;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1145
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1146 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	1147
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1148 if (ngx_quic_decrypt(pkt, ssl_conn, &ctx->largest_pn) != NGX_OK) {
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1149 return NGX_ERROR;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1150 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1151
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1152 return ngx_quic_payload_handler(c, pkt);
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1153 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1154
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1155
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1156 static ngx_int_t
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1157 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	1158 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1159 ngx_quic_secrets_t *keys;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1160 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	1161 ngx_quic_connection_t *qc;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1162 static u_char buf[NGX_QUIC_DEFAULT_MAX_PACKET_SIZE];
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1163
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1164 c->log->action = "processing handshake quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1165
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1166 qc = c->quic;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1167
8321 e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1168 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	1169
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1170 if (keys->client.key.len == 0) {
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1171 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1172 "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	1173 return NGX_DECLINED;
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1174 }
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 8320 diff changeset	1175
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1176 /* extract cleartext data into pkt */
8224 ae35ccba7aa6 Extracted transport part of the code into separate file. Vladimir Homutov <vl@nginx.com> parents: 8223 diff changeset	1177 if (ngx_quic_parse_long_header(pkt) != NGX_OK) {
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1178 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1179 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1180
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1181 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	1182 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1183 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1184
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1185 if (!ngx_quic_pkt_hs(pkt->flags)) {
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1186 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1187 "quic invalid packet type: 0x%xi", pkt->flags);
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1188 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1189 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1190
8224 ae35ccba7aa6 Extracted transport part of the code into separate file. Vladimir Homutov <vl@nginx.com> parents: 8223 diff changeset	1191 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	1192 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1193 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1194
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1195 pkt->secret = &keys->client;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1196 pkt->level = ssl_encryption_handshake;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1197 pkt->plaintext = buf;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1198
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1199 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1200
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1201 if (ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn) != NGX_OK) {
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1202 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1203 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1204
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1205 return ngx_quic_payload_handler(c, pkt);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1206 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1207
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1208
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1209 static ngx_int_t
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1210 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	1211 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1212 ngx_quic_secrets_t *keys;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1213 ngx_quic_send_ctx_t *ctx;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1214 ngx_quic_connection_t *qc;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1215 static u_char buf[NGX_QUIC_DEFAULT_MAX_PACKET_SIZE];
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1216
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1217 c->log->action = "processing early data quic packet";
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1218
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1219 qc = c->quic;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1220
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1221 /* extract cleartext data into pkt */
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1222 if (ngx_quic_parse_long_header(pkt) != NGX_OK) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1223 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1224 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1225
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1226 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1227 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1228 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1229
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1230 if (!ngx_quic_pkt_zrtt(pkt->flags)) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1231 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1232 "quic invalid packet type: 0x%xi", pkt->flags);
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1233 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1234 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1235
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1236 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1237 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1238 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1239
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1240 if (c->quic->state != NGX_QUIC_ST_EARLY_DATA) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1241 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	1242 return NGX_OK;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1243 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1244
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1245 keys = &c->quic->keys[ssl_encryption_early_data];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1246
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1247 pkt->secret = &keys->client;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1248 pkt->level = ssl_encryption_early_data;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1249 pkt->plaintext = buf;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1250
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1251 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1252
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1253 if (ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn) != NGX_OK) {
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1254 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1255 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1256
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1257 return ngx_quic_payload_handler(c, pkt);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1258 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1259
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1260
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1261 static ngx_int_t
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1262 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	1263 {
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1264 if (pkt->dcid.len != qc->dcid.len) {
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1265 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	1266 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1267 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1268
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1269 if (ngx_memcmp(pkt->dcid.data, qc->dcid.data, qc->dcid.len) != 0) {
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1270 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	1271 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1272 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1273
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1274 if (pkt->scid.len != qc->scid.len) {
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1275 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	1276 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1277 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1278
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1279 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	1280 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	1281 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1282 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1283
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1284 return NGX_OK;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1285 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1286
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1287
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1288 static ngx_int_t
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1289 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	1290 {
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1291 ngx_int_t rc;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1292 ngx_quic_secrets_t keys, next, tmp;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1293 ngx_quic_send_ctx_t *ctx;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1294 ngx_quic_connection_t *qc;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1295 static u_char buf[NGX_QUIC_DEFAULT_MAX_PACKET_SIZE];
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1296
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1297 c->log->action = "processing application data quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1298
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1299 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1300
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1301 keys = &c->quic->keys[ssl_encryption_application];
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1302 next = &c->quic->next_key;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1303
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1304 if (keys->client.key.len == 0) {
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1305 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1306 "quic no read keys yet, packet ignored");
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1307 return NGX_DECLINED;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1308 }
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1309
8224 ae35ccba7aa6 Extracted transport part of the code into separate file. Vladimir Homutov <vl@nginx.com> parents: 8223 diff changeset	1310 if (ngx_quic_parse_short_header(pkt, &qc->dcid) != NGX_OK) {
8185 6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1311 return NGX_ERROR;
6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1312 }
6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1313
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	1314 pkt->secret = &keys->client;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1315 pkt->next = &next->client;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1316 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	1317 pkt->level = ssl_encryption_application;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8286 diff changeset	1318 pkt->plaintext = buf;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	1319
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1320 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1321
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1322 if (ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn) != NGX_OK) {
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1323 return NGX_ERROR;
8185 6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1324 }
6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8184 diff changeset	1325
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1326 /* switch keys on Key Phase change */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1327
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1328 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1329 c->quic->key_phase ^= 1;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1330
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1331 tmp = *keys;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1332 keys = next;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1333 *next = tmp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1334 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1335
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1336 rc = ngx_quic_payload_handler(c, pkt);
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1337
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1338 if (rc == NGX_ERROR) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1339 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1340 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1341
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1342 /* generate next keys */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1343
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1344 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1345 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	1346 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1347 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1348 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1349
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	1350 return rc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1351 }
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	1352
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	1353
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1354 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1355 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	1356 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1357 u_char end, p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1358 ssize_t len;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1359 ngx_uint_t ack_sent, do_close;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1360 ngx_quic_frame_t frame;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1361 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1362
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1363 qc = c->quic;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1364
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1365 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1366 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1367 * 10.1 Closing and Draining Connection States
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1368 * ... delayed or reordered packets are properly discarded.
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1369 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1370 * 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	1371 * 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	1372 * packets as belonging to the connection.
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1373 */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1374 return ngx_quic_send_cc(c, pkt->level, NGX_QUIC_ERR_NO_ERROR);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1375 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1376
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1377 p = pkt->payload.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1378 end = p + pkt->payload.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1379
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1380 ack_sent = 0;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1381 do_close = 0;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1382
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1383 while (p < end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1384
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1385 c->log->action = "parsing frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1386
8240 1f002206a59b Added boundaries checks into frame parser. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	1387 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	1388
c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1389 if (len == NGX_DECLINED) {
c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1390 /* TODO: handle protocol violation:
c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1391 * such frame not allowed in this packet
c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1392 */
c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1393 return NGX_ERROR;
c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1394 }
c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1395
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1396 if (len < 0) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1397 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1398 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1399
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1400 c->log->action = "handling frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1401
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1402 p += len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1403
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1404 switch (frame.type) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1405
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1406 case NGX_QUIC_FT_ACK:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1407 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	1408 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1409 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1410
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1411 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1412
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1413 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1414 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1415 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1416
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1417 case NGX_QUIC_FT_CONNECTION_CLOSE:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1418 case NGX_QUIC_FT_CONNECTION_CLOSE2:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1419 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1420 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1421 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1422
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1423 /* got there with ack-eliciting packet */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1424
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1425 if (!ack_sent) {
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1426 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	1427 return NGX_ERROR;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1428 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1429
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1430 ack_sent = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1431 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1432
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1433 switch (frame.type) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1434
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1435 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1436
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1437 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	1438 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1439 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1440
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1441 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1442
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1443 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1444 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1445
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1446 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1447 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1448 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1449 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1450 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1451 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1452 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1453 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1454
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1455 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	1456 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1457 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1458
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1459 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1460
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1461 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	1462
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1463 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	1464 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1465 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1466 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1467
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1468 break;
ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1469
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1470 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1471 case NGX_QUIC_FT_STREAMS_BLOCKED2:
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1472
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1473 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	1474 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1475 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1476 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1477 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1478 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1479
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1480 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1481
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1482 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	1483
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1484 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	1485 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1486 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1487 {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1488 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1489 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1490
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1491 break;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1492
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1493 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	1494
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1495 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	1496 &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	1497 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1498 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1499 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1500 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1501
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1502 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1503
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1504 case NGX_QUIC_FT_NEW_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1505 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1506 case NGX_QUIC_FT_NEW_TOKEN:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1507 case NGX_QUIC_FT_RESET_STREAM:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1508 case NGX_QUIC_FT_STOP_SENDING:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1509 case NGX_QUIC_FT_PATH_CHALLENGE:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1510 case NGX_QUIC_FT_PATH_RESPONSE:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1511
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1512 /* TODO: handle */
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1513 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1514 "quic frame handler not implemented");
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1515 break;
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1516
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1517 default:
8346 4e4485793418 Added MAX_STREAM_DATA stub handler. Vladimir Homutov <vl@nginx.com> parents: 8345 diff changeset	1518 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1519 "quic missing frame handler");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1520 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1521 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1522 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1523
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1524 if (p != end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1525 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1526 "quic trailing garbage in payload: %ui bytes", end - p);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1527 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1528 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1529
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1530 if (do_close) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1531 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1532 ngx_quic_close_connection(c, NGX_OK);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1533 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1534
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1535 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1536 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1537
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1538
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1539 static ngx_int_t
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1540 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	1541 {
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1542 ngx_quic_frame_t *frame;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1543
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1544 c->log->action = "generating acknowledgment";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1545
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1546 /* 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	1547
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1548 frame = ngx_quic_alloc_frame(c, 0);
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1549 if (frame == NULL) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1550 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1551 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1552
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1553 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	1554 ? ssl_encryption_application
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1555 : pkt->level;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1556
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1557 frame->type = NGX_QUIC_FT_ACK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1558 frame->u.ack.largest = pkt->pn;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1559
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1560 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	1561 pkt->pn, frame->level);
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1562 ngx_quic_queue_frame(c->quic, frame);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1563
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1564 return NGX_OK;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1565 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1566
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1567
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1568 static ngx_int_t
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1569 ngx_quic_send_cc(ngx_connection_t *c, enum ssl_encryption_level_t level,
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1570 ngx_uint_t err)
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1571 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1572 ngx_quic_frame_t *frame;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1573 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1574
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1575 qc = c->quic;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1576
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1577 if (qc->draining) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1578 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1579 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1580
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1581 if (qc->closing
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1582 && 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	1583 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1584 /* dot not send CC too often */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1585 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1586 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1587
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1588 frame = ngx_quic_alloc_frame(c, 0);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1589 if (frame == NULL) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1590 return NGX_ERROR;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1591 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1592
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1593 frame->level = level;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1594 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1595 frame->u.close.error_code = err;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1596 ngx_sprintf(frame->info, "cc from send_cc err=%ui level=%d", err,
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1597 frame->level);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1598
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1599 ngx_quic_queue_frame(c->quic, frame);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1600
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1601 qc->last_cc = ngx_current_msec;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1602
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1603 return ngx_quic_output(c);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1604 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1605
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1606
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1607 static ngx_int_t
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1608 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	1609 ngx_quic_ack_frame_t *ack)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1610 {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1611 ssize_t n;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1612 u_char pos, end;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1613 uint64_t gap, range;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1614 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	1615 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	1616
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1617 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	1618
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1619 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1620 "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	1621
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1622 /*
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1623 * TODO: If any computed packet number is negative, an endpoint MUST
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1624 * generate a connection error of type FRAME_ENCODING_ERROR.
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1625 * (19.3.1)
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1626 */
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1627
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1628 if (ack->first_range > ack->largest) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1629 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1630 "quic invalid first range in ack frame");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1631 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1632 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1633
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1634 min = ack->largest - ack->first_range;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1635 max = ack->largest;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1636
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1637 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	1638 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1639 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1640
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1641 /* 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	1642 if (ctx->largest_ack < max) {
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1643 ctx->largest_ack = max;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1644 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1645 "quic updated largest received ack: %ui", max);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1646 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1647
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1648 pos = ack->ranges_start;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1649 end = ack->ranges_end;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1650
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1651 for (i = 0; i < ack->range_count; i++) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1652
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1653 n = ngx_quic_parse_ack_range(pkt, pos, end, &gap, &range);
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1654 if (n == NGX_ERROR) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1655 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1656 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1657 pos += n;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1658
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1659 if (gap >= min) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1660 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1661 "quic invalid range %ui in ack frame", i);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1662 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1663 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1664
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1665 max = min - 1 - gap;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1666
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1667 if (range > max + 1) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1668 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1669 "quic invalid range %ui in ack frame", i);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1670 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1671 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1672
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1673 min = max - range + 1;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1674
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1675 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	1676 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1677 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1678 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1679
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1680 return NGX_OK;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1681 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1682
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1683
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1684 static ngx_int_t
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1685 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	1686 uint64_t min, uint64_t max)
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1687 {
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1688 ngx_uint_t found;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1689 ngx_queue_t *q;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1690 ngx_quic_frame_t *f;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1691 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1692
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1693 qc = c->quic;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1694
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1695 found = 0;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1696
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1697 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	1698
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1699 while (q != ngx_queue_sentinel(&ctx->sent)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1700
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1701 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	1702
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1703 if (f->pnum >= min && f->pnum <= max) {
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1704 ngx_quic_congestion_ack(c, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1705
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1706 ngx_quic_handle_stream_ack(c, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1707
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1708 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1709 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1710 ngx_quic_free_frame(c, f);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1711 found = 1;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1712
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1713 } else {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1714 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1715 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1716 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1717
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1718 if (!found) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1719
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1720 if (max <= ctx->pnum) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1721 /* duplicate ACK or ACK for non-ack-eliciting frame */
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	1722 return NGX_OK;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1723 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1724
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1725 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1726 "quic ACK for the packet not in sent queue ");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1727 // TODO: handle error properly: PROTOCOL VIOLATION?
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1728 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1729 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1730
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1731 if (!qc->push.timer_set) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1732 ngx_post_event(&qc->push, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1733 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1734
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1735 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1736 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1737
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1738
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1739 static void
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1740 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	1741 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1742 uint64_t sent, unacked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1743 ngx_event_t *wev;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1744 ngx_quic_stream_t *sn;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1745 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1746
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1747 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	1748 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1749 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1750
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1751 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1752
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1753 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	1754 if (sn == NULL) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1755 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1756 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1757
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1758 wev = sn->c->write;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1759 sent = sn->c->sent;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1760 unacked = sent - sn->acked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1761
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1762 if (unacked >= NGX_QUIC_STREAM_BUFSIZE && wev->active) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1763 wev->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1764 ngx_post_event(wev, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1765 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1766
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1767 sn->acked += f->u.stream.length;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1768
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1769 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	1770 "quic stream ack %uL acked:%uL, unacked:%uL",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1771 f->u.stream.length, sn->acked, sent - sn->acked);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1772 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1773
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1774
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1775 static ngx_int_t
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1776 ngx_quic_handle_ordered_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	1777 ngx_quic_frame_t *frame, ngx_quic_frame_handler_pt handler)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1778 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1779 size_t full_len;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1780 ngx_int_t rc;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1781 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1782 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1783
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1784 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1785
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1786 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1787 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1788 "quic out-of-order frame: expecting %ui got %ui",
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1789 fs->received, f->offset);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1790
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1791 return ngx_quic_buffer_frame(c, fs, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1792 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1793
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1794 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1795
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1796 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1797 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1798 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1799 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1800 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1801 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1802
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1803 /* intersecting data range, frame modified */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1804 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1805
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1806 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1807
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1808 rc = handler(c, frame);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1809 if (rc == NGX_ERROR) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1810 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1811
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1812 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1813 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1814 return NGX_OK;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1815 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1816
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1817 /* rc == NGX_OK */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1818
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1819 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1820
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1821 /* 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	1822
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1823 do {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1824 q = ngx_queue_head(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1825 if (q == ngx_queue_sentinel(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1826 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1827 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1828
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1829 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1830 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1831
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1832 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1833 /* gap found, nothing more to do */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1834 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1835 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1836
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1837 full_len = f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1838
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1839 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1840
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1841 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1842 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1843 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1844 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1845 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1846 fs->total -= f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1847
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1848 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1849 "quic skipped buffered frame, total %ui",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1850 fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1851 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1852 continue;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1853 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1854
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1855 /* frame was adjusted, proceed to input */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1856 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1857
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1858 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1859
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1860 rc = handler(c, frame);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1861
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1862 if (rc == NGX_ERROR) {
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1863 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1864
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1865 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1866 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1867 return NGX_OK;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1868 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1869
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1870 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1871 fs->total -= full_len;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1872
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1873 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1874
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1875 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1876 "quic consumed buffered frame, total %ui", fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1877
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1878 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1879
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1880 } while (1);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1881
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1882 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1883 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1884
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1885
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1886 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1887 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	1888 uint64_t offset_in)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1889 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1890 size_t tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1891 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1892
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1893 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1894
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1895 tail = offset_in - f->offset;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1896
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1897 if (tail >= f->length) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1898 /* range preceeding already received data or duplicate, ignore */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1899
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1900 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1901 "quic old or duplicate data in ordered frame, ignored");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1902 return NGX_DONE;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1903 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1904
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1905 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1906 "quic adjusted ordered frame data start to expected offset");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1907
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1908 /* intersecting range: adjust data size */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1909
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1910 f->offset += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1911 f->data += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1912 f->length -= tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1913
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1914 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1915 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1916
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1917
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1918 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1919 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	1920 ngx_quic_frame_t *frame)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1921 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1922 u_char *data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1923 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1924 ngx_quic_frame_t dst, item;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1925 ngx_quic_ordered_frame_t f, df;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1926
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1927 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1928 "quic ngx_quic_buffer_frame");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1929
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1930 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1931
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1932 /* frame start offset is in the future, buffer it */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1933
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1934 /* 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	1935 if (NGX_QUIC_MAX_BUFFERED - fs->total < f->length) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1936 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1937 "quic ordered input buffer limit exceeded");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1938 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1939 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1940
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1941 dst = ngx_quic_alloc_frame(c, f->length);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1942 if (dst == NULL) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1943 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1944 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1945
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1946 data = dst->data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1947 ngx_memcpy(dst, frame, sizeof(ngx_quic_frame_t));
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1948 dst->data = data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1949
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1950 ngx_memcpy(dst->data, f->data, f->length);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1951
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1952 df = &dst->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1953 df->data = dst->data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1954
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1955 fs->total += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1956
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1957 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1958 "quic ordered frame with unexpected offset:"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1959 " buffered, total %ui", fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1960
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1961 /* TODO: do we need some timeout for this queue ? */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1962
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1963 if (ngx_queue_empty(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1964 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1965 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1966 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1967
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1968 for (q = ngx_queue_last(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1969 q != ngx_queue_sentinel(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1970 q = ngx_queue_prev(q))
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1971 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1972 item = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1973 f = &item->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1974
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1975 if (f->offset < df->offset) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1976 ngx_queue_insert_after(q, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1977 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1978 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1979 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1980
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1981 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1982
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1983 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1984 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1985
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1986
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1987 static ngx_int_t
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	1988 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	1989 ngx_quic_frame_t *frame)
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	1990 {
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	1991 ngx_quic_connection_t *qc;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	1992 ngx_quic_frames_stream_t *fs;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	1993
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	1994 qc = c->quic;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	1995 fs = &qc->crypto[pkt->level];
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	1996
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	1997 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input);
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	1998 }
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	1999
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2000
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	2001 static ngx_int_t
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2002 ngx_quic_crypto_input(ngx_connection_t c, ngx_quic_frame_t frame)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2003 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2004 int sslerr;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2005 ssize_t n;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2006 ngx_ssl_conn_t *ssl_conn;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2007 ngx_quic_crypto_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2008
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2009 f = &frame->u.crypto;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2010
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2011 ssl_conn = c->ssl->connection;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2012
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2013 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2014 "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	2015 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2016 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2017
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2018 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	2019 f->data, f->length))
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2020 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2021 ngx_ssl_error(NGX_LOG_INFO, c->log, 0,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2022 "SSL_provide_quic_data() failed");
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2023 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2024 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2025
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2026 n = SSL_do_handshake(ssl_conn);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2027
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2028 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	2029
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2030 if (n == -1) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2031 sslerr = SSL_get_error(ssl_conn, n);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2032
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2033 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	2034 sslerr);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2035
8300 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	2036 if (sslerr != SSL_ERROR_WANT_READ) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2037 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	2038 return NGX_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2039 }
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2040
8302 76818c9cdd6f Sending HANDSHAKE_DONE just once with BoringSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8301 diff changeset	2041 } else if (n == 1 && !SSL_in_init(ssl_conn)) {
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2042 c->quic->state = NGX_QUIC_ST_APPLICATION;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2043
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2044 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8299 4ad7d4272cd5 Style. Sergey Kandaurov <pluknet@nginx.com> parents: 8294 diff changeset	2045 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn));
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2046
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2047 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2048 "quic handshake completed successfully");
8273 cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2049
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	2050 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	2051 if (frame == NULL) {
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2052 return NGX_ERROR;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2053 }
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2054
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2055 /* 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	2056 frame->level = ssl_encryption_application;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2057 frame->type = NGX_QUIC_FT_HANDSHAKE_DONE;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 8272 diff changeset	2058 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	2059 ngx_quic_queue_frame(c->quic, frame);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2060
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2061 /*
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2062 * Generating next keys before a key update is received.
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2063 * 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	2064 */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2065
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2066 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	2067 &c->quic->next_key)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2068 != NGX_OK)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2069 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2070 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2071 }
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2072 }
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2073
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2074 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2075 "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	2076 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2077 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2078
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2079 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2080 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2081
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2082
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2083 static ngx_int_t
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2084 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	2085 ngx_quic_frame_t *frame)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2086 {
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2087 size_t n;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2088 ngx_buf_t *b;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2089 ngx_event_t *rev;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2090 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2091 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2092 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2093 ngx_quic_frames_stream_t *fs;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2094
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2095 qc = c->quic;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2096 f = &frame->u.stream;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2097
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2098 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2099
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2100 if (sn == NULL) {
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2101 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2102 "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	2103
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2104 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	2105 ? 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	2106 : 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	2107
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2108 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	2109 n = NGX_QUIC_STREAM_BUFSIZE;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2110 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2111
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2112 if (n < f->length) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2113 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2114 "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	2115 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2116 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2117
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2118 /*
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2119 * 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	2120 *
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2121 * 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	2122 *
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2123 * 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	2124 * 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	2125 * 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	2126 * opened.
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2127 */
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2128 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	2129 if (sn == NULL) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2130 return NGX_ERROR;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2131 }
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2132
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2133 rev = sn->c->read;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2134
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2135 if (f->offset == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2136
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2137 b = sn->b;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2138 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	2139
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2140 sn->fs.received += f->length;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2141
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2142 rev->ready = 1;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2143
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2144 if (f->fin) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2145 rev->pending_eof = 1;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2146 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2147
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2148 } else {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2149 rev->ready = 0;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2150 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2151
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2152 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	2153 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	2154 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2155
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2156 qc->streams.handler(sn->c);
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2157
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2158 if (f->offset == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2159 return NGX_OK;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2160 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2161
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2162 /* out-of-order stream: proceed to buffering */
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2163 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2164
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2165 fs = &sn->fs;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2166
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2167 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2168 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2169
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2170
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2171 static ngx_int_t
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2172 ngx_quic_stream_input(ngx_connection_t c, ngx_quic_frame_t frame)
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2173 {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2174 ngx_buf_t *b;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2175 ngx_event_t *rev;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2176 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2177 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2178 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2179
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2180 qc = c->quic;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2181
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2182 f = &frame->u.stream;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2183
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2184 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2185 if (sn == NULL) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2186 // TODO: possible?
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2187 // stream was deleted while in reordering queue ?
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2188 return NGX_ERROR;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2189 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2190
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2191 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	2192
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2193 b = sn->b;
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2194
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2195 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	2196 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2197 "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	2198 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2199 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2200
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2201 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	2202 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	2203 b->pos = b->start;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2204 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2205
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2206 b->last = ngx_cpymem(b->last, f->data, f->length);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2207
8294 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2208 rev = sn->c->read;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2209 rev->ready = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2210
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2211 if (f->fin) {
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2212 rev->pending_eof = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	2213 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2214
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2215 if (rev->active) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2216 rev->handler(rev);
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2217 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2218
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	2219 /* check if stream was destroyed by handler */
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2220 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	2221 return NGX_DONE;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2222 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2223
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2224 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2225 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2226
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2227
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2228 static ngx_int_t
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2229 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	2230 {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2231 ngx_quic_frame_t *frame;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2232 ngx_quic_connection_t *qc;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2233
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2234 qc = c->quic;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2235 qc->cur_streams++;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2236
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2237 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	2238 return NGX_OK;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2239 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2240
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2241 frame = ngx_quic_alloc_frame(c, 0);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2242 if (frame == NULL) {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2243 return NGX_ERROR;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2244 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2245
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2246 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	2247 NGX_QUIC_STREAMS_LIMIT);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2248
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2249 frame->level = ssl_encryption_application;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2250 frame->type = NGX_QUIC_FT_MAX_STREAMS;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2251 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	2252 frame->u.max_streams.bidi = 1;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2253
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2254 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	2255 (int) frame->u.max_streams.limit,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2256 (int) frame->u.max_streams.bidi,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2257 frame->level);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2258
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2259 ngx_quic_queue_frame(qc, frame);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2260
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2261 return NGX_OK;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2262 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2263
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2264
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2265 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	2266 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	2267 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	2268 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2269 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2270 ngx_rbtree_t *tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2271 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	2272 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	2273 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	2274
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2275 qc = c->quic;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2276 tree = &qc->streams.tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2277
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2278 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	2279 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2280 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2281
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2282 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	2283
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2284 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	2285 node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2286 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	2287 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2288 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	2289 wev = qs->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2290
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2291 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2292 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2293 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	2294 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2295 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2296 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2297
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2298 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	2299
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2300 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2301 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2302
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2303
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2304 static ngx_int_t
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2305 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	2306 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	2307 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2308 ngx_quic_frame_t *frame;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2309
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	2310 frame = ngx_quic_alloc_frame(c, 0);
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2311 if (frame == NULL) {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2312 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2313 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2314
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2315 frame->level = pkt->level;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2316 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	2317 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	2318 frame->u.max_streams.bidi = f->bidi;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2319
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	2320 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	2321
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2322 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	2323 (int) frame->u.max_streams.limit,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2324 (int) frame->u.max_streams.bidi,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2325 frame->level);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2326
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2327 ngx_quic_queue_frame(c->quic, frame);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2328
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2329 return NGX_OK;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2330 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2331
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2332
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2333 static ngx_int_t
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2334 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	2335 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	2336 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2337 size_t n;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2338 ngx_buf_t *b;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2339 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2340 ngx_quic_stream_t *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2341 ngx_quic_connection_t *qc;
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2342
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2343 qc = c->quic;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2344 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	2345
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2346 if (sn == NULL) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2347 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2348 "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	2349 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2350 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2351
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2352 b = sn->b;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	2353 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	2354
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	2355 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	2356 if (frame == NULL) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2357 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2358 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2359
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2360 frame->level = pkt->level;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2361 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	2362 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	2363 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	2364
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2365 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	2366 (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	2367 (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	2368 frame->level);
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2369
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2370 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	2371
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2372 return NGX_OK;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2373 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2374
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2375
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2376 static ngx_int_t
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2377 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	2378 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	2379 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2380 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2381 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2382 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	2383 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	2384
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2385 qc = c->quic;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2386 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	2387
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2388 if (sn == NULL) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2389 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	2390 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2391 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2392
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2393 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	2394 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2395 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2396
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2397 sent = sn->c->sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2398
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2399 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	2400 wev = sn->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2401
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2402 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2403 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2404 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	2405 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2406 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2407
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2408 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	2409
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2410 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2411 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2412
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2413
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2414 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2415 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	2416 {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2417 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	2418
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2419 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	2420
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2421 ngx_queue_insert_tail(&ctx->frames, &frame->queue);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2422
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2423 /* TODO: check PUSH flag on stream and call output */
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2424
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2425 if (!qc->push.timer_set && !qc->closing) {
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2426 ngx_add_timer(&qc->push, qc->tp.max_ack_delay);
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2427 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2428 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2429
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2430
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2431 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2432 ngx_quic_output(ngx_connection_t *c)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2433 {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2434 ngx_uint_t i;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2435 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2436
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2437 c->log->action = "sending frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2438
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2439 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2440
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2441 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	2442 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	2443 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2444 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2445 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2446
8322 d9bc33166361 Do not set timers after the connection is closed. Vladimir Homutov <vl@nginx.com> parents: 8321 diff changeset	2447 if (!qc->send_timer_set && !qc->closing) {
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	2448 qc->send_timer_set = 1;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	2449 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	2450 }
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	2451
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	2452 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	2453 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	2454 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2455
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2456 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2457 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2458
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2459
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2460 static ngx_int_t
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	2461 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	2462 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2463 size_t len, hlen, n;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2464 ngx_int_t rc;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2465 ngx_uint_t need_ack;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2466 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2467 ngx_quic_frame_t *f;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2468 ngx_quic_congestion_t *cg;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2469 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2470
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2471 qc = c->quic;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2472 cg = &qc->congestion;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2473
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2474 if (ngx_queue_empty(&ctx->frames)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2475 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2476 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2477
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	2478 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	2479 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	2480
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	2481 /* 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	2482 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	2483 : NGX_QUIC_MAX_LONG_HEADER;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2484 hlen += EVP_GCM_TLS_TAG_LEN;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2485
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2486 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2487 len = 0;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2488 need_ack = 0;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2489 ngx_queue_init(&range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2490
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2491 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2492 /* process group of frames that fits into packet */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2493 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	2494
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2495 n = ngx_quic_create_frame(NULL, f);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2496
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2497 if (len && hlen + len + n > qc->ctp.max_packet_size) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2498 break;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2499 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2500
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2501 if (f->need_ack) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2502 need_ack = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2503 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2504
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2505 if (need_ack && cg->in_flight + len + n > cg->window) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2506 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2507 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2508
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2509 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2510
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2511 f->first = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2512
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2513 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2514 ngx_queue_insert_tail(&range, &f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2515
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2516 len += n;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2517
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2518 } while (q != ngx_queue_sentinel(&ctx->frames));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2519
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2520 if (ngx_queue_empty(&range)) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2521 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2522 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2523
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2524 rc = ngx_quic_send_frames(c, &range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2525
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2526 if (rc == NGX_OK) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2527 /*
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2528 * frames are moved into the sent queue
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2529 * to wait for ack/be retransmitted
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2530 */
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2531 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2532 /* 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	2533 ngx_quic_free_frames(c, &range);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2534
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2535 } else {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2536 ngx_queue_add(&ctx->sent, &range);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2537 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2538
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2539 cg->in_flight += len;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2540
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2541 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2542 "quic congestion send if:%uz", cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2543
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2544 } else if (rc == NGX_DONE) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2545
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2546 /* 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	2547 ngx_quic_free_frames(c, &range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2548
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2549 } else {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2550 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2551 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2552
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2553 } while (q != ngx_queue_sentinel(&ctx->frames));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2554
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2555 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2556 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2557
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2558
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2559 static void
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2560 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	2561 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2562 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2563 ngx_quic_frame_t *f;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2564
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2565 do {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2566 q = ngx_queue_head(frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2567
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2568 if (q == ngx_queue_sentinel(frames)) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2569 break;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2570 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2571
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2572 ngx_queue_remove(q);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2573
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2574 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	2575
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2576 ngx_quic_free_frame(c, f);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2577 } while (1);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2578 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2579
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2580
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2581 /* pack a group of frames [start; end) into memory p and send as single packet */
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2582 static ngx_int_t
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2583 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	2584 {
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	2585 ssize_t len;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	2586 u_char *p;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2587 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	2588 ngx_str_t out, res;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2589 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2590 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	2591 ngx_quic_header_t pkt;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	2592 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	2593 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	2594 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	2595 static ngx_str_t initial_token = ngx_null_string;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	2596 static u_char src[NGX_QUIC_DEFAULT_MAX_PACKET_SIZE];
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	2597 static u_char dst[NGX_QUIC_DEFAULT_MAX_PACKET_SIZE];
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2598
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2599 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2600 "quic ngx_quic_send_frames");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2601
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2602 q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2603 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	2604
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2605 ctx = ngx_quic_get_send_ctx(c->quic, start->level);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2606
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	2607 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2608
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2609 now = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2610
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	2611 p = src;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	2612 out.data = src;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2613
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2614 for (q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2615 q != ngx_queue_sentinel(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2616 q = ngx_queue_next(q))
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2617 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2618 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2619
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2620 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2621 "quic frame out: %s", f->info);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2622
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2623 len = ngx_quic_create_frame(p, f);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2624 if (len == -1) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2625 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2626 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2627
8312 053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	2628 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	2629 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	2630 }
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	2631
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2632 p += len;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2633 f->pnum = ctx->pnum;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2634 f->last = now;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2635 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2636
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2637 if (start->level == ssl_encryption_initial) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2638 /* ack will not be sent in initial packets due to initial keys being
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2639 * discarded when handshake start.
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2640 * Thus consider initial packets as non-ack-eliciting
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2641 */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2642 pkt.need_ack = 0;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2643 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2644
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2645 out.len = p - out.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2646
8301 c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	2647 while (out.len < 4) {
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	2648 *p++ = NGX_QUIC_FT_PADDING;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	2649 out.len++;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	2650 }
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 8300 diff changeset	2651
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	2652 qc = c->quic;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2653
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	2654 keys = &c->quic->keys[start->level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	2655
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	2656 pkt.secret = &keys->server;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	2657
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	2658 if (start->level == ssl_encryption_initial) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2659 pkt.flags = NGX_QUIC_PKT_INITIAL;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2660 pkt.token = initial_token;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2661
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	2662 } else if (start->level == ssl_encryption_handshake) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2663 pkt.flags = NGX_QUIC_PKT_HANDSHAKE;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2664
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2665 } else {
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2666 // TODO: macro, set FIXED bit
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	2667 pkt.flags = 0x40 \| (c->quic->key_phase ? NGX_QUIC_PKT_KPHASE : 0);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2668 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2669
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2670 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	2671
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	2672 pkt.log = c->log;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	2673 pkt.level = start->level;
8344 e0abe17a2878 Removed source/destination swap from the function creating header. Vladimir Homutov <vl@nginx.com> parents: 8343 diff changeset	2674 pkt.dcid = qc->scid;
e0abe17a2878 Removed source/destination swap from the function creating header. Vladimir Homutov <vl@nginx.com> parents: 8343 diff changeset	2675 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	2676 pkt.payload = out;
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8284 diff changeset	2677
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	2678 res.data = dst;
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8284 diff changeset	2679
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2680 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2681 "quic packet ready: %ui bytes at level %d"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2682 " need_ack: %d number: %L encoded %d:0x%xD",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2683 out.len, start->level, pkt.need_ack, pkt.number,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2684 pkt.num_len, pkt.trunc);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2685
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8284 diff changeset	2686 if (ngx_quic_encrypt(&pkt, c->ssl->connection, &res) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2687 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2688 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2689
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2690 #ifdef NGX_QUIC_DEBUG_PACKETS
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	2691 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	2692 #endif
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2693
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2694 len = c->send(c, res.data, res.len);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2695 if (len == NGX_ERROR \|\| (size_t) len != res.len) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2696 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2697 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2698
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2699 /* 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	2700 ctx->pnum++;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2701
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2702 return pkt.need_ack ? NGX_OK : NGX_DONE;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2703 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2704
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2705
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2706 static void
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2707 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	2708 {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2709 uint64_t delta;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2710
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2711 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	2712 pkt->number = ctx->pnum;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2713
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2714 if (delta <= 0x7F) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2715 pkt->num_len = 1;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2716 pkt->trunc = ctx->pnum & 0xff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2717
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2718 } else if (delta <= 0x7FFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2719 pkt->num_len = 2;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2720 pkt->flags \|= 0x1;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2721 pkt->trunc = ctx->pnum & 0xffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2722
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2723 } else if (delta <= 0x7FFFFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2724 pkt->num_len = 3;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2725 pkt->flags \|= 0x2;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2726 pkt->trunc = ctx->pnum & 0xffffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2727
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2728 } else {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2729 pkt->num_len = 4;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2730 pkt->flags \|= 0x3;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2731 pkt->trunc = ctx->pnum & 0xffffffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2732 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2733 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2734
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2735
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	2736 static void
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2737 ngx_quic_retransmit_handler(ngx_event_t *ev)
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2738 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2739 ngx_uint_t i;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2740 ngx_msec_t wait, nswait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2741 ngx_connection_t *c;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2742 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2743
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2744 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2745 "quic retransmit timer");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2746
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2747 c = ev->data;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2748 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2749
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2750 wait = 0;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2751
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2752 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	2753 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	2754 ngx_quic_close_connection(c, NGX_ERROR);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2755 return;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2756 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2757
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2758 if (i == 0) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2759 wait = nswait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2760
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2761 } else if (nswait > 0 && nswait < wait) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2762 wait = nswait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2763 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2764 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2765
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2766 if (wait > 0) {
8369 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 8368 diff changeset	2767 ngx_add_timer(&qc->retransmit, wait);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2768 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2769 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2770
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2771
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2772 static void
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2773 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2774 {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2775 ngx_connection_t *c;
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2776
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2777 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	2778
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2779 c = ev->data;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2780
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2781 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	2782 ngx_quic_close_connection(c, NGX_ERROR);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2783 return;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2784 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2785 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2786
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	2787
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2788 static ngx_int_t
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2789 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	2790 ngx_msec_t *waitp)
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2791 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2792 uint64_t pn;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2793 ngx_msec_t now, wait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2794 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2795 ngx_quic_frame_t f, start;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2796 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2797
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2798 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2799
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2800 now = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2801 wait = 0;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2802
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2803 if (ngx_queue_empty(&ctx->sent)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2804 *waitp = 0;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2805 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2806 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2807
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2808 q = ngx_queue_head(&ctx->sent);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2809
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2810 do {
8363 d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	2811 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	2812
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	2813 wait = start->last + qc->tp.max_ack_delay - now;
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	2814
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	2815 if ((ngx_msec_int_t) wait > 0) {
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	2816 break;
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	2817 }
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	2818
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	2819 pn = start->pnum;
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 8362 diff changeset	2820
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2821 ngx_queue_init(&range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2822
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2823 /* send frames with same packet number to the wire */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2824 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2825 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	2826
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2827 if (start->first + qc->tp.max_idle_timeout < now) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2828 ngx_log_error(NGX_LOG_ERR, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2829 "quic retransmission timeout");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2830 return NGX_DECLINED;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2831 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2832
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2833 if (f->pnum != pn) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2834 break;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2835 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2836
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2837 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2838
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2839 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2840 ngx_queue_insert_tail(&range, &f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2841
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2842 } while (q != ngx_queue_sentinel(&ctx->sent));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2843
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2844 ngx_quic_congestion_lost(c, start->last);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	2845
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2846 /* 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	2847 if (ngx_quic_send_frames(c, &range) != NGX_OK) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2848 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2849 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2850
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2851 /* 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	2852 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	2853
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	2854 } while (q != ngx_queue_sentinel(&ctx->sent));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2855
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2856 *waitp = wait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	2857
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2858 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2859 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2860
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2861
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2862 ngx_connection_t *
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2863 ngx_quic_create_uni_stream(ngx_connection_t *c)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2864 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2865 ngx_uint_t id;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2866 ngx_quic_stream_t qs, sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2867 ngx_quic_connection_t *qc;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2868
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2869 qs = c->qs;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2870 qc = qs->parent->quic;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2871
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2872 id = (qc->streams.id_counter << 2)
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2873 \| NGX_QUIC_STREAM_SERVER_INITIATED
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2874 \| NGX_QUIC_STREAM_UNIDIRECTIONAL;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2875
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2876 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2877 "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	2878 qc->streams.id_counter, id);
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2879
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2880 qc->streams.id_counter++;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2881
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2882 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	2883 if (sn == NULL) {
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2884 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2885 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2886
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2887 return sn->c;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2888 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2889
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2890
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2891 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2892 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2893 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2894 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2895 ngx_rbtree_node_t **p;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2896 ngx_quic_stream_t qn, qnt;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2897
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2898 for ( ;; ) {
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	2899 qn = (ngx_quic_stream_t *) node;
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	2900 qnt = (ngx_quic_stream_t *) temp;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2901
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	2902 p = (qn->id < qnt->id) ? &temp->left : &temp->right;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2903
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2904 if (*p == sentinel) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2905 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2906 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2907
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2908 temp = *p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2909 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2910
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2911 *p = node;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2912 node->parent = temp;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2913 node->left = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2914 node->right = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2915 ngx_rbt_red(node);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2916 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2917
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2918
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2919 static ngx_quic_stream_t *
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	2920 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	2921 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2922 ngx_rbtree_node_t node, sentinel;
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	2923 ngx_quic_stream_t *qn;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2924
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2925 node = rbtree->root;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2926 sentinel = rbtree->sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2927
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2928 while (node != sentinel) {
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	2929 qn = (ngx_quic_stream_t *) node;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2930
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	2931 if (id == qn->id) {
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	2932 return qn;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2933 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2934
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	2935 node = (id < qn->id) ? node->left : node->right;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2936 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2937
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2938 return NULL;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2939 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2940
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2941
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2942 static ngx_quic_stream_t *
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2943 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	2944 {
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2945 ngx_log_t *log;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2946 ngx_pool_t *pool;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2947 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	2948 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	2949 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	2950
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2951 qc = c->quic;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2952
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2953 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2954 if (pool == NULL) {
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2955 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2956 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2957
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2958 sn = ngx_pcalloc(pool, sizeof(ngx_quic_stream_t));
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2959 if (sn == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2960 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2961 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2962 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2963
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2964 sn->node.key = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2965 sn->parent = c;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2966 sn->id = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2967
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2968 sn->b = ngx_create_temp_buf(pool, rcvbuf_size);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2969 if (sn->b == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2970 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2971 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2972 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2973
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2974 ngx_queue_init(&sn->fs.frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2975
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2976 log = ngx_palloc(pool, sizeof(ngx_log_t));
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2977 if (log == NULL) {
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2978 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2979 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2980 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2981
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2982 log = c->log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2983 pool->log = log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2984
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2985 sn->c = ngx_get_connection(-1, log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2986 if (sn->c == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2987 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2988 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2989 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	2990
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	2991 sn->c->qs = sn;
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2992 sn->c->pool = pool;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2993 sn->c->ssl = c->ssl;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2994 sn->c->sockaddr = c->sockaddr;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2995 sn->c->listening = c->listening;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2996 sn->c->addr_text = c->addr_text;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2997 sn->c->local_sockaddr = c->local_sockaddr;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	2998 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	2999
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3000 sn->c->recv = ngx_quic_stream_recv;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3001 sn->c->send = ngx_quic_stream_send;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3002 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	3003
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3004 sn->c->read->log = c->log;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3005 sn->c->write->log = c->log;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3006
8362 44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 8361 diff changeset	3007 log->connection = sn->c->number;
44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 8361 diff changeset	3008
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3009 if ((id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3010 \|\| (id & NGX_QUIC_STREAM_SERVER_INITIATED))
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3011 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3012 sn->c->write->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3013 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3014
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3015 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	3016 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	3017 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	3018 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3019
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3020 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3021 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	3022 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	3023 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3024 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	3025 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3026 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3027
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3028 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	3029 if (cln == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3030 ngx_close_connection(sn->c);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3031 ngx_destroy_pool(pool);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3032 return NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3033 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3034
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3035 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	3036 cln->data = sn->c;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3037
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3038 ngx_rbtree_insert(&c->quic->streams.tree, &sn->node);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3039
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3040 return sn;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3041 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3042
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	3043
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3044 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3045 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	3046 {
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3047 ssize_t len;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3048 ngx_buf_t *b;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3049 ngx_event_t *rev;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3050 ngx_connection_t *pc;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3051 ngx_quic_frame_t *frame;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3052 ngx_quic_stream_t *qs;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3053 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3054
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3055 qs = c->qs;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3056 b = qs->b;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3057 pc = qs->parent;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3058 qc = pc->quic;
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3059 rev = c->read;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3060
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3061 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3062 "quic stream id 0x%xi recv: eof:%d, avail:%z",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3063 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	3064
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3065 if (b->pos == b->last) {
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3066 rev->ready = 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3067
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3068 if (rev->pending_eof) {
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3069 rev->eof = 1;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3070 return 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3071 }
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	3072
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3073 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3074 "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	3075 return NGX_AGAIN;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3076 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3077
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3078 len = ngx_min(b->last - b->pos, (ssize_t) size);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3079
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3080 ngx_memcpy(buf, b->pos, len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3081
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3082 b->pos += len;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3083 qc->streams.received += len;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3084
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3085 if (b->pos == b->last) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3086 b->pos = b->start;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3087 b->last = b->start;
8294 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3088 rev->ready = rev->pending_eof;
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3089 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3090
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3091 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3092 "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	3093
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3094 if (!rev->pending_eof) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3095 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3096 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3097 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3098 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3099
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3100 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3101 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3102 frame->u.max_stream_data.id = qs->id;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3103 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	3104 + (b->end - b->last);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3105
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3106 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	3107 (int) frame->u.max_stream_data.id,
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3108 (int) frame->u.max_stream_data.limit,
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3109 frame->level);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3110
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3111 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3112 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3113
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3114 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	3115
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3116 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3117
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3118 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3119 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3120 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3121
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3122 qc->streams.recv_max_data *= 2;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3123
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3124 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3125 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	3126 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	3127
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3128 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	3129 (int) frame->u.max_data.max_data, frame->level);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3130
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3131 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3132
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3133 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3134 "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	3135 qs->id, qc->streams.recv_max_data);
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3136 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	3137
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3138 return len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3139 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3140
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3141
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3142 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3143 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	3144 {
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3145 u_char p, end;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3146 size_t fsize, limit, n, len;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3147 uint64_t sent, unacked;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3148 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3149 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3150 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3151 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3152
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3153 qs = c->qs;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3154 pc = qs->parent;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3155 qc = pc->quic;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3156
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3157 if (qc->closing) {
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3158 return NGX_ERROR;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3159 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3160
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3161 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3162 "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	3163
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3164 /*
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3165 * 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	3166 * 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	3167 */
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3168 limit = qc->ctp.max_packet_size - NGX_QUIC_MAX_SHORT_HEADER - 25
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3169 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3170
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3171 len = size;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3172 sent = c->sent;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3173 unacked = sent - qs->acked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3174
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3175 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	3176 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	3177 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3178
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3179 if (unacked >= NGX_QUIC_STREAM_BUFSIZE) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3180 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3181 "quic send hit buffer size");
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3182 len = 0;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3183
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3184 } else if (unacked + len > NGX_QUIC_STREAM_BUFSIZE) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3185 len = NGX_QUIC_STREAM_BUFSIZE - unacked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3186 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3187
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3188 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	3189 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	3190 "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	3191 len = 0;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3192
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3193 } 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	3194 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	3195 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3196
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3197 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	3198 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	3199 "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	3200 len = 0;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3201
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3202 } 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	3203 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	3204 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3205
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3206 p = (u_char *) buf;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3207 end = (u_char *) buf + len;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3208 n = 0;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3209
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3210 while (p < end) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3211
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3212 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3213
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3214 frame = ngx_quic_alloc_frame(pc, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3215 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3216 return 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3217 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3218
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3219 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3220
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3221 frame->level = ssl_encryption_application;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3222 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	3223 frame->u.stream.off = 1;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3224 frame->u.stream.len = 1;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3225 frame->u.stream.fin = 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3226
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3227 frame->u.stream.type = frame->type;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3228 frame->u.stream.stream_id = qs->id;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3229 frame->u.stream.offset = c->sent;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3230 frame->u.stream.length = fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3231 frame->u.stream.data = frame->data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3232
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3233 c->sent += fsize;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3234 qc->streams.sent += fsize;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3235 p += fsize;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3236 n += fsize;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3237
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3238 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	3239 qs->id, fsize, frame->level);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3240
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	3241 ngx_quic_queue_frame(qc, frame);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3242 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3243
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3244 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	3245 "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	3246 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	3247
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3248 if (n != size) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3249 c->write->ready = 0;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3250 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3251
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3252 if (n == 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3253 return NGX_AGAIN;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3254 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3255
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3256 return n;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3257 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3258
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3259
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3260 static void
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3261 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	3262 {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3263 ngx_connection_t *c = data;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3264
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3265 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3266 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3267 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3268 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	3269
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3270 qs = c->qs;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3271 pc = qs->parent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3272 qc = pc->quic;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3273
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3274 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3275 "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	3276
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3277 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	3278 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	3279
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3280 if (qc->closing) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3281 /* 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	3282 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	3283 return;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3284 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	3285
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3286 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	3287 /* 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	3288 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3289 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3290
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3291 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3292 "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	3293
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3294 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	3295 if (frame == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3296 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3297 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3298
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3299 frame->level = ssl_encryption_application;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3300 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	3301 frame->u.stream.off = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3302 frame->u.stream.len = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3303 frame->u.stream.fin = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3304
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3305 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	3306 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	3307 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	3308 frame->u.stream.length = 0;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3309 frame->u.stream.data = NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3310
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3311 ngx_sprintf(frame->info, "stream 0x%xi fin=1 level=%d",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3312 qs->id, frame->level);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3313
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3314 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	3315
1ec905f4d851 Push QUIC stream frames in send() and cleanup handler. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	3316 (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	3317 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3318
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	3319
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3320 static ngx_chain_t *
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3321 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	3322 off_t limit)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3323 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3324 size_t len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3325 ssize_t n;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3326 ngx_buf_t *b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3327
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3328 for ( /* void */; in; in = in->next) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3329 b = in->buf;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3330
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3331 if (!ngx_buf_in_memory(b)) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3332 continue;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3333 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3334
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3335 if (ngx_buf_size(b) == 0) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3336 continue;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3337 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3338
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3339 len = b->last - b->pos;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3340
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3341 n = ngx_quic_stream_send(c, b->pos, len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3342
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3343 if (n == NGX_ERROR) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3344 return NGX_CHAIN_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3345 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3346
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3347 if (n == NGX_AGAIN) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3348 return in;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3349 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3350
8350 47dac6e0521a Fixed QUIC buffer consumption in send_chain(). Roman Arutyunyan <arut@nginx.com> parents: 8348 diff changeset	3351 b->pos += n;
47dac6e0521a Fixed QUIC buffer consumption in send_chain(). Roman Arutyunyan <arut@nginx.com> parents: 8348 diff changeset	3352
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3353 if (n != (ssize_t) len) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3354 return in;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3355 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3356 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3357
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3358 return NULL;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3359 }
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3360
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3361
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3362 static ngx_quic_frame_t *
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3363 ngx_quic_alloc_frame(ngx_connection_t *c, size_t size)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3364 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3365 u_char *p;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3366 ngx_queue_t *q;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3367 ngx_quic_frame_t *frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3368 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3369
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3370 if (size) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3371 p = ngx_alloc(size, c->log);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3372 if (p == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3373 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3374 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3375
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3376 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3377 p = NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3378 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3379
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3380 qc = c->quic;
8308 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 if (!ngx_queue_empty(&qc->free_frames)) {
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 q = ngx_queue_head(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3385 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	3386
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3387 ngx_queue_remove(&frame->queue);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3388
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3389 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3390 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3391 "quic reuse frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3392 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3393
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3394 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3395 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3396 if (frame == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3397 ngx_free(p);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3398 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3399 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3400
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3401 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3402 ++qc->nframes;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3403 #endif
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3404
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3405 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3406 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3407 "quic alloc frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3408 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3409 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3410
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3411 ngx_memzero(frame, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3412
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3413 frame->data = p;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3414
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3415 return frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3416 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3417
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3418
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3419 static void
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3420 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	3421 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3422 ssize_t n;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3423 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3424 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3425 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3426
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3427 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3428 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3429
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3430 n = ngx_quic_create_frame(NULL, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3431
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3432 cg->in_flight -= n;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3433
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3434 timer = f->last - cg->recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3435
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3436 if ((ngx_msec_int_t) timer <= 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3437 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3438 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3439
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3440 if (cg->window < cg->ssthresh) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3441 cg->window += n;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3442
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3443 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3444 "quic congestion slow start win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3445 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3446
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3447 } else {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3448 cg->window += qc->tp.max_packet_size * n / cg->window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3449
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3450 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3451 "quic congestion avoidance win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3452 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3453 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3454
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3455 /* prevent recovery_start from wrapping */
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3456
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3457 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	3458
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3459 if ((ngx_msec_int_t) timer < 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3460 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	3461 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3462 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3463
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3464
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3465 static void
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3466 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	3467 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3468 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3469 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3470 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3471
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3472 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3473 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3474
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3475 timer = sent - cg->recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3476
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3477 if ((ngx_msec_int_t) timer <= 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3478 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3479 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3480
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3481 cg->recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3482 cg->window /= 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3483
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3484 if (cg->window < qc->tp.max_packet_size * 2) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3485 cg->window = qc->tp.max_packet_size * 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3486 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3487
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3488 cg->ssthresh = cg->window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3489
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3490 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3491 "quic congestion lost win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3492 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3493 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3494
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3495
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3496 static void
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3497 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	3498 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3499 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3500
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3501 qc = c->quic;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3502
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3503 if (frame->data) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3504 ngx_free(frame->data);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3505 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3506
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3507 ngx_queue_insert_head(&qc->free_frames, &frame->queue);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3508
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3509 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3510 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3511 "quic free frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3512 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3513 }

Mercurial > hg > nginx

annotate src/event/ngx_event_quic.c @ 8369:bddf704d62c1 quic