nginx: src/event/quic/ngx_event

annotate src/event/quic/ngx_event_quic.c @ 8763:4117aa7fa38e quic

QUIC: connection migration. The patch adds proper transitions between multiple networking addresses that can be used by a single quic connection. New networking paths are validated using PATH_CHALLENGE/PATH_RESPONSE frames.

author	Vladimir Homutov <vl@nginx.com>
date	Thu, 29 Apr 2021 15:35:02 +0300
parents	46161c610919
children	901126931bd5

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>
8736 714e9af983de QUIC: separate header for ngx_quic_connection_t. Vladimir Homutov <vl@nginx.com> parents: 8735 diff changeset	10 #include <ngx_event_quic_connection.h>
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	11
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	12
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	13 static ngx_quic_connection_t ngx_quic_new_connection(ngx_connection_t c,
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	14 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	15 static ngx_int_t ngx_quic_process_stateless_reset(ngx_connection_t *c,
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	16 ngx_quic_header_t *pkt);
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	17 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	18
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	19 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	20 static void ngx_quic_close_timer_handler(ngx_event_t *ev);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	21
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	22 static ngx_int_t ngx_quic_input(ngx_connection_t c, ngx_buf_t b,
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	23 ngx_quic_conf_t *conf);
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	24 static ngx_int_t ngx_quic_process_packet(ngx_connection_t *c,
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	25 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	26 static ngx_int_t ngx_quic_process_payload(ngx_connection_t *c,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	27 ngx_quic_header_t *pkt);
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	28 static ngx_int_t ngx_quic_check_csid(ngx_quic_connection_t *qc,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	29 ngx_quic_header_t *pkt);
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	30 static ngx_int_t ngx_quic_handle_frames(ngx_connection_t *c,
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	31 ngx_quic_header_t *pkt);
8751 bc910a5ec737 QUIC: separate files for output and ack related processing. Vladimir Homutov <vl@nginx.com> parents: 8750 diff changeset	32
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	33 static void ngx_quic_push_handler(ngx_event_t *ev);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	34
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	35
8674 2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	36 static ngx_core_module_t ngx_quic_module_ctx = {
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	37 ngx_string("quic"),
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	38 NULL,
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	39 NULL
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	40 };
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	41
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	42
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	43 ngx_module_t ngx_quic_module = {
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	44 NGX_MODULE_V1,
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	45 &ngx_quic_module_ctx, /* module context */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	46 NULL, /* module directives */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	47 NGX_CORE_MODULE, /* module type */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	48 NULL, /* init master */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	49 NULL, /* init module */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	50 NULL, /* init process */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	51 NULL, /* init thread */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	52 NULL, /* exit thread */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	53 NULL, /* exit process */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	54 NULL, /* exit master */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	55 NGX_MODULE_V1_PADDING
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	56 };
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	57
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	58
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	59 #if (NGX_DEBUG)
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	60
8751 bc910a5ec737 QUIC: separate files for output and ack related processing. Vladimir Homutov <vl@nginx.com> parents: 8750 diff changeset	61 void
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	62 ngx_quic_connstate_dbg(ngx_connection_t *c)
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	63 {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	64 u_char p, last;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	65 ngx_quic_connection_t *qc;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	66 u_char buf[NGX_MAX_ERROR_STR];
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	67
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	68 p = buf;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	69 last = p + sizeof(buf);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	70
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	71 qc = ngx_quic_get_connection(c);
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	72
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	73 p = ngx_slprintf(p, last, "state:");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	74
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	75 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	76
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	77 if (qc->error) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	78 p = ngx_slprintf(p, last, "%s", qc->error_app ? " app" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	79 p = ngx_slprintf(p, last, " error:%ui", qc->error);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	80
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	81 if (qc->error_reason) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	82 p = ngx_slprintf(p, last, " \"%s\"", qc->error_reason);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	83 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	84 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	85
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	86 p = ngx_slprintf(p, last, "%s", qc->shutdown ? " shutdown" : "");
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	87 p = ngx_slprintf(p, last, "%s", qc->closing ? " closing" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	88 p = ngx_slprintf(p, last, "%s", qc->draining ? " draining" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	89 p = ngx_slprintf(p, last, "%s", qc->key_phase ? " kp" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	90
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	91 } else {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	92 p = ngx_slprintf(p, last, " early");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	93 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	94
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	95 if (c->read->timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	96 p = ngx_slprintf(p, last,
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	97 qc && qc->send_timer_set ? " send:%M" : " read:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	98 c->read->timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	99 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	100
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	101 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	102
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	103 if (qc->push.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	104 p = ngx_slprintf(p, last, " push:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	105 qc->push.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	106 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	107
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	108 if (qc->pto.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	109 p = ngx_slprintf(p, last, " pto:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	110 qc->pto.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	111 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	112
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	113 if (qc->close.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	114 p = ngx_slprintf(p, last, " close:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	115 qc->close.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	116 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	117 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	118
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	119 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	120 "quic %*s", p - buf, buf);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	121 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	122
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	123 #endif
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	124
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	125
8753 46161c610919 QUIC: separate files for SSL library interfaces. Vladimir Homutov <vl@nginx.com> parents: 8752 diff changeset	126 ngx_int_t
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	127 ngx_quic_apply_transport_params(ngx_connection_t c, ngx_quic_tp_t ctp)
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	128 {
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	129 ngx_str_t scid;
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	130 ngx_quic_connection_t *qc;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	131
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	132 qc = ngx_quic_get_connection(c);
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	133
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	134 scid.data = qc->socket->cid->id;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	135 scid.len = qc->socket->cid->len;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	136
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	137 if (scid.len != ctp->initial_scid.len
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	138 \|\| ngx_memcmp(scid.data, ctp->initial_scid.data, scid.len) != 0)
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	139 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	140 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	141 "quic client initial_source_connection_id mismatch");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	142 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	143 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	144
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	145 if (ctp->max_udp_payload_size < NGX_QUIC_MIN_INITIAL_SIZE
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	146 \|\| ctp->max_udp_payload_size > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE)
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	147 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	148 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	149 qc->error_reason = "invalid maximum packet size";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	150
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	151 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	152 "quic maximum packet size is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	153 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	154
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	155 } else if (ctp->max_udp_payload_size > ngx_quic_max_udp_payload(c)) {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	156 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	157 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	158 "quic client maximum packet size truncated");
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	159 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	160
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	161 if (ctp->active_connection_id_limit < 2) {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	162 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	163 qc->error_reason = "invalid active_connection_id_limit";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	164
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	165 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	166 "quic active_connection_id_limit is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	167 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	168 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	169
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	170 if (ctp->ack_delay_exponent > 20) {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	171 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	172 qc->error_reason = "invalid ack_delay_exponent";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	173
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	174 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	175 "quic ack_delay_exponent is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	176 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	177 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	178
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	179 if (ctp->max_ack_delay > 16384) {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	180 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	181 qc->error_reason = "invalid max_ack_delay";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	182
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	183 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	184 "quic max_ack_delay is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	185 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	186 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	187
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	188 if (ctp->max_idle_timeout > 0
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	189 && ctp->max_idle_timeout < qc->tp.max_idle_timeout)
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	190 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	191 qc->tp.max_idle_timeout = ctp->max_idle_timeout;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	192 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	193
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	194 qc->streams.server_max_streams_bidi = ctp->initial_max_streams_bidi;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	195 qc->streams.server_max_streams_uni = ctp->initial_max_streams_uni;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	196
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	197 ngx_memcpy(&qc->ctp, ctp, sizeof(ngx_quic_tp_t));
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	198
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	199 return NGX_OK;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	200 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	201
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	202
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	203 void
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	204 ngx_quic_run(ngx_connection_t c, ngx_quic_conf_t conf)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	205 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	206 ngx_int_t rc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	207 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	208
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	209 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	210
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	211 rc = ngx_quic_input(c, c->buffer, conf);
8536 c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	212 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	213 ngx_quic_close_connection(c, rc == NGX_DECLINED ? NGX_DONE : NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	214 return;
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
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	217 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	218
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	219 if (qc == NULL) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	220 ngx_quic_close_connection(c, NGX_DONE);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	221 return;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	222 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	223
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	224 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	225 ngx_quic_connstate_dbg(c);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	226
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	227 c->read->handler = ngx_quic_input_handler;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	228
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	229 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	230 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	231
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	232
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	233 static ngx_quic_connection_t *
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	234 ngx_quic_new_connection(ngx_connection_t c, ngx_quic_conf_t conf,
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	235 ngx_quic_header_t *pkt)
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	236 {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	237 ngx_uint_t i;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	238 ngx_quic_tp_t *ctp;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	239 ngx_quic_connection_t *qc;
8387 eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	240
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	241 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	242 if (qc == NULL) {
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	243 return NULL;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	244 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	245
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	246 qc->keys = ngx_quic_keys_new(c->pool);
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	247 if (qc->keys == NULL) {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	248 return NULL;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	249 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	250
8624 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	251 qc->version = pkt->version;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	252
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	253 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	254 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	255
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	256 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	257 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	258 ngx_queue_init(&qc->send_ctx[i].sent);
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	259 qc->send_ctx[i].largest_pn = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	260 qc->send_ctx[i].largest_ack = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	261 qc->send_ctx[i].largest_range = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	262 qc->send_ctx[i].pending_ack = NGX_QUIC_UNSET_PN;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	263 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	264
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	265 qc->send_ctx[0].level = ssl_encryption_initial;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	266 qc->send_ctx[1].level = ssl_encryption_handshake;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	267 qc->send_ctx[2].level = ssl_encryption_application;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	268
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	269 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	270 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	271 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	272
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	273 ngx_queue_init(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	274
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	275 qc->avg_rtt = NGX_QUIC_INITIAL_RTT;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	276 qc->rttvar = NGX_QUIC_INITIAL_RTT / 2;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	277 qc->min_rtt = NGX_TIMER_INFINITE;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	278
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	279 /*
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	280 * qc->latest_rtt = 0
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	281 */
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	282
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	283 qc->pto.log = c->log;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	284 qc->pto.data = c;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	285 qc->pto.handler = ngx_quic_pto_handler;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	286 qc->pto.cancelable = 1;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	287
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	288 qc->push.log = c->log;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	289 qc->push.data = c;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	290 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	291 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	292
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	293 qc->path_validation.log = c->log;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	294 qc->path_validation.data = c;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	295 qc->path_validation.handler = ngx_quic_path_validation_handler;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	296 qc->path_validation.cancelable = 1;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	297
8481 0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	298 qc->conf = conf;
0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	299 qc->tp = conf->tp;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	300
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	301 ctp = &qc->ctp;
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	302
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	303 /* defaults to be used before actual client parameters are received */
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	304 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	305 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	306 ctp->max_ack_delay = NGX_QUIC_DEFAULT_MAX_ACK_DELAY;
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	307 ctp->active_connection_id_limit = 2;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	308
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	309 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	310
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	311 qc->streams.client_max_streams_uni = qc->tp.initial_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	312 qc->streams.client_max_streams_bidi = qc->tp.initial_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	313
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	314 qc->congestion.window = ngx_min(10 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	315 ngx_max(2 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	316 14720));
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	317 qc->congestion.ssthresh = (size_t) -1;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	318 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	319
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	320 if (pkt->validated && pkt->retried) {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	321 qc->tp.retry_scid.len = pkt->dcid.len;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	322 qc->tp.retry_scid.data = ngx_pstrdup(c->pool, &pkt->dcid);
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	323 if (qc->tp.retry_scid.data == NULL) {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	324 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	325 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	326 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	327
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	328 if (ngx_quic_keys_set_initial_secret(c->pool, qc->keys, &pkt->dcid,
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	329 qc->version)
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	330 != NGX_OK)
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	331 {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	332 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	333 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	334
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	335 qc->validated = pkt->validated;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	336
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	337 if (ngx_quic_open_sockets(c, qc, pkt) != NGX_OK) {
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	338 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	339 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	340
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	341 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	342 "quic connection created");
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	343
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	344 return qc;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	345 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	346
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	347
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	348 static ngx_int_t
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	349 ngx_quic_process_stateless_reset(ngx_connection_t c, ngx_quic_header_t pkt)
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	350 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	351 u_char *tail, ch;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	352 ngx_uint_t i;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	353 ngx_queue_t *q;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	354 ngx_quic_client_id_t *cid;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	355 ngx_quic_connection_t *qc;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	356
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	357 qc = ngx_quic_get_connection(c);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	358
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	359 /* A stateless reset uses an entire UDP datagram */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	360 if (pkt->raw->start != pkt->data) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	361 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	362 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	363
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	364 tail = pkt->raw->last - NGX_QUIC_SR_TOKEN_LEN;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	365
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	366 for (q = ngx_queue_head(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	367 q != ngx_queue_sentinel(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	368 q = ngx_queue_next(q))
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	369 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	370 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	371
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	372 if (cid->seqnum == 0) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	373 /* no stateless reset token in initial connection id */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	374 continue;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	375 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	376
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	377 /* constant time comparison */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	378
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	379 for (ch = 0, i = 0; i < NGX_QUIC_SR_TOKEN_LEN; i++) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	380 ch \|= tail[i] ^ cid->sr_token[i];
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	381 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	382
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	383 if (ch == 0) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	384 return NGX_OK;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	385 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	386 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	387
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	388 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	389 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	390
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	391
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	392 static void
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	393 ngx_quic_input_handler(ngx_event_t *rev)
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	394 {
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	395 ngx_int_t rc;
8730 90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8724 diff changeset	396 ngx_buf_t *b;
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	397 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	398 ngx_quic_connection_t *qc;
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	399
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	400 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic input handler");
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	401
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	402 c = rev->data;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	403 qc = ngx_quic_get_connection(c);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	404
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	405 c->log->action = "handling quic input";
8212 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	406
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	407 if (rev->timedout) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	408 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	409 "quic client timed out");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	410 ngx_quic_close_connection(c, NGX_DONE);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	411 return;
8212 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	412 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	413
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	414 if (c->close) {
8442 b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 8439 diff changeset	415 qc->error_reason = "graceful shutdown";
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 8439 diff changeset	416 ngx_quic_close_connection(c, NGX_OK);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	417 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	418 }
8220 7ada2feeac18 Added processing of CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8218 diff changeset	419
8730 90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8724 diff changeset	420 if (!rev->ready) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	421 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	422 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	423 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	424 return;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	425 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	426
8734 c61fcdc1b8e3 UDP: extended datagram context. Vladimir Homutov <vl@nginx.com> parents: 8730 diff changeset	427 b = c->udp->dgram->buffer;
8730 90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8724 diff changeset	428
90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8724 diff changeset	429 rc = ngx_quic_input(c, b, NULL);
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	430
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	431 if (rc == NGX_ERROR) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	432 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	433 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	434 }
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	435
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	436 if (rc == NGX_DECLINED) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	437 return;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	438 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	439
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	440 /* rc == NGX_OK */
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	441
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	442 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	443 ngx_add_timer(rev, qc->tp.max_idle_timeout);
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	444
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	445 ngx_quic_connstate_dbg(c);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	446 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	447
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	448
8736 714e9af983de QUIC: separate header for ngx_quic_connection_t. Vladimir Homutov <vl@nginx.com> parents: 8735 diff changeset	449 void
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	450 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	451 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	452 ngx_pool_t *pool;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	453 ngx_quic_connection_t *qc;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	454
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	455 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	456 "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	457
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	458 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	459
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	460 if (qc == NULL) {
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	461 if (rc == NGX_ERROR) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	462 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	463 "quic close connection early error");
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	464 }
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	465
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	466 } 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	467 return;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	468 }
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	469
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	470 if (c->ssl) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	471 (void) ngx_ssl_shutdown(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	472 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	473
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	474 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	475 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	476 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	477
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	478 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	479 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	480 #endif
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	481
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	482 c->destroyed = 1;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	483
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	484 pool = c->pool;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	485
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	486 ngx_close_connection(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	487
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	488 ngx_destroy_pool(pool);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	489 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	490
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	491
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	492 static ngx_int_t
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	493 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	494 {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	495 ngx_uint_t i;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	496 ngx_quic_send_ctx_t *ctx;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	497 ngx_quic_connection_t *qc;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	498
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	499 qc = ngx_quic_get_connection(c);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	500
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	501 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	502
8398 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	503 /* drop packets from retransmit queues, no ack is expected */
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	504 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8652 e9bd4305e68b QUIC: fixed send contexts cleanup. Vladimir Homutov <vl@nginx.com> parents: 8651 diff changeset	505 ngx_quic_free_frames(c, &qc->send_ctx[i].sent);
8398 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	506 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	507
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	508 if (rc == NGX_DONE) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	509
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	510 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	511 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	512 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	513 * 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	514 * 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	515 */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	516
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	517 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	518 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	519 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	520
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	521 } else {
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	522
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	523 /*
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	524 * 10.3. Immediate Close
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	525 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	526 * An endpoint sends a CONNECTION_CLOSE frame (Section 19.19)
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	527 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	528 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	529
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	530 qc->error_level = c->ssl ? SSL_quic_read_level(c->ssl->connection)
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	531 : ssl_encryption_initial;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	532
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	533 if (rc == NGX_OK) {
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	534 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	535 "quic immediate close drain:%d",
d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8701 diff changeset	536 qc->draining);
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	537
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	538 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	539 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	540 qc->close.handler = ngx_quic_close_timer_handler;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	541 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	542
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	543 ctx = ngx_quic_get_send_ctx(qc, qc->error_level);
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	544
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	545 ngx_add_timer(&qc->close, 3 * ngx_quic_pto(c, ctx));
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	546
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	547 qc->error = NGX_QUIC_ERR_NO_ERROR;
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	548
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	549 } else {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	550 if (qc->error == 0 && !qc->error_app) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	551 qc->error = NGX_QUIC_ERR_INTERNAL_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	552 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	553
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	554 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	555 "quic immediate close due to %s error: %ui %s",
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	556 qc->error_app ? "app " : "", qc->error,
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	557 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	558 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	559
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	560 (void) ngx_quic_send_cc(c);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	561
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	562 if (qc->error_level == ssl_encryption_handshake) {
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	563 /* for clients that might not have handshake keys */
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	564 qc->error_level = ssl_encryption_initial;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	565 (void) ngx_quic_send_cc(c);
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	566 }
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	567 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	568
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	569 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	570 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	571
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	572 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	573 /* 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	574 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	575 }
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	576
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	577 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	578 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	579 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	580
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	581 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	582 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	583 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	584
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	585 if (qc->pto.timer_set) {
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	586 ngx_del_timer(&qc->pto);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	587 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	588
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	589 if (qc->path_validation.timer_set) {
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	590 ngx_del_timer(&qc->path_validation);
8434 ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	591 }
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	592
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	593 if (qc->push.posted) {
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	594 ngx_delete_posted_event(&qc->push);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	595 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	596
8553 dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	597 if (qc->close.timer_set) {
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	598 return NGX_AGAIN;
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	599 }
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	600
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	601 ngx_quic_close_sockets(c);
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	602
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	603 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	604 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	605
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	606 /* may be tested from SSL callback during SSL shutdown */
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	607 c->udp = NULL;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	608
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	609 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	610 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	611
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	612
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	613 void
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	614 ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	615 const char *reason)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	616 {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	617 ngx_quic_connection_t *qc;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	618
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	619 qc = ngx_quic_get_connection(c);
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	620 qc->error = err;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	621 qc->error_reason = reason;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	622 qc->error_app = 1;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	623 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	624
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	625 ngx_quic_close_connection(c, NGX_ERROR);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	626 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	627
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	628
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	629 void
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	630 ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err,
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	631 const char *reason)
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	632 {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	633 ngx_quic_connection_t *qc;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	634
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	635 qc = ngx_quic_get_connection(c);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	636 qc->shutdown = 1;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	637 qc->shutdown_code = err;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	638 qc->shutdown_reason = reason;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	639
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	640 ngx_quic_shutdown_quic(c);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	641 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	642
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	643
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	644 static void
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	645 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	646 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	647 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	648
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	649 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	650
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	651 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	652 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	653 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	654
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	655
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	656 static ngx_int_t
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	657 ngx_quic_input(ngx_connection_t c, ngx_buf_t b, ngx_quic_conf_t *conf)
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	658 {
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	659 u_char *p;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	660 ngx_int_t rc;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	661 ngx_uint_t good;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	662 ngx_quic_header_t pkt;
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	663
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	664 good = 0;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	665
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	666 p = b->pos;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	667
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	668 while (p < b->last) {
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	669
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	670 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	671 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	672 pkt.data = p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	673 pkt.len = b->last - p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	674 pkt.log = c->log;
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	675 pkt.flags = p[0];
8559 a89a58c642ef QUIC: simplified packet header parsing. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	676 pkt.raw->pos++;
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	677
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	678 rc = ngx_quic_process_packet(c, conf, &pkt);
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	679
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	680 #if (NGX_DEBUG)
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	681 if (pkt.parsed) {
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	682 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
8609 f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs. Vladimir Homutov <vl@nginx.com> parents: 8608 diff changeset	683 "quic packet %s done decr:%d pn:%L perr:%ui rc:%i",
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	684 ngx_quic_level_name(pkt.level), pkt.decrypted,
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	685 pkt.pn, pkt.error, rc);
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	686 } else {
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	687 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8609 f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs. Vladimir Homutov <vl@nginx.com> parents: 8608 diff changeset	688 "quic packet done parse failed rc:%i", rc);
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	689 }
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	690 #endif
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	691
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	692 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	693 return NGX_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	694 }
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	695
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	696 if (rc == NGX_DONE) {
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	697 /* stop further processing */
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	698 return NGX_DECLINED;
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	699 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	700
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	701 if (rc == NGX_OK) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	702 good = 1;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	703 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	704
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	705 /* NGX_OK \|\| NGX_DECLINED */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	706
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	707 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	708 * 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	709 * to decrypt packet.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	710 * 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	711 * retransmission:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	712 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	713 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	714 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	715 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	716 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	717 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	718 * attempt to process the remaining packets.
8535 eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8533 diff changeset	719 *
eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8533 diff changeset	720 * We also skip packets that don't match connection state
eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8533 diff changeset	721 * or cannot be parsed properly.
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	722 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	723
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	724 /* b->pos is at header end, adjust by actual packet length */
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8557 diff changeset	725 b->pos = pkt.data + pkt.len;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	726
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	727 /* firefox workaround: skip zero padding at the end of quic packet */
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	728 while (b->pos < b->last && *(b->pos) == 0) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	729 b->pos++;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	730 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	731
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	732 p = b->pos;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	733 }
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	734
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	735 return good ? NGX_OK : NGX_DECLINED;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	736 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	737
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	738
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	739 static ngx_int_t
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	740 ngx_quic_process_packet(ngx_connection_t c, ngx_quic_conf_t conf,
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	741 ngx_quic_header_t *pkt)
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	742 {
8536 c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	743 ngx_int_t rc;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	744 ngx_quic_connection_t *qc;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	745
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	746 c->log->action = "parsing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	747
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	748 rc = ngx_quic_parse_packet(pkt);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	749
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	750 if (rc == NGX_DECLINED \|\| rc == NGX_ERROR) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	751 return rc;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	752 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	753
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	754 pkt->parsed = 1;
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	755
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	756 c->log->action = "processing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	757
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	758 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	759 "quic packet rx dcid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	760 pkt->dcid.len, &pkt->dcid);
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	761
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	762 #if (NGX_DEBUG)
52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	763 if (pkt->level != ssl_encryption_application) {
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	764 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	765 "quic packet rx scid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	766 pkt->scid.len, &pkt->scid);
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	767 }
8641 fe53def49945 QUIC: refactored long header parsing. Sergey Kandaurov <pluknet@nginx.com> parents: 8639 diff changeset	768
fe53def49945 QUIC: refactored long header parsing. Sergey Kandaurov <pluknet@nginx.com> parents: 8639 diff changeset	769 if (pkt->level == ssl_encryption_initial) {
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	770 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	771 "quic address validation token len:%uz %xV",
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	772 pkt->token.len, &pkt->token);
8641 fe53def49945 QUIC: refactored long header parsing. Sergey Kandaurov <pluknet@nginx.com> parents: 8639 diff changeset	773 }
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	774 #endif
52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	775
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	776 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	777
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	778 if (qc) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	779
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	780 if (rc == NGX_ABORT) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	781 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	782 "quic unsupported version: 0x%xD", pkt->version);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	783 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	784 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	785
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	786 rc = ngx_quic_check_migration(c, pkt);
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	787 if (rc != NGX_OK) {
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	788 return rc;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	789 }
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	790
8624 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	791 if (pkt->level != ssl_encryption_application) {
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	792
8624 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	793 if (pkt->version != qc->version) {
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	794 ngx_log_error(NGX_LOG_INFO, c->log, 0,
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	795 "quic version mismatch: 0x%xD", pkt->version);
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	796 return NGX_DECLINED;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	797 }
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	798
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	799 if (ngx_quic_check_csid(qc, pkt) != NGX_OK) {
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	800 return NGX_DECLINED;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	801 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	802
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	803 } else {
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	804
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	805 if (ngx_quic_process_stateless_reset(c, pkt) == NGX_OK) {
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	806 ngx_log_error(NGX_LOG_INFO, c->log, 0,
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	807 "quic stateless reset packet detected");
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	808
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	809 qc->draining = 1;
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	810 ngx_quic_close_connection(c, NGX_OK);
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	811
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	812 return NGX_OK;
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	813 }
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	814 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	815
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	816 return ngx_quic_process_payload(c, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	817 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	818
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	819 /* packet does not belong to a connection */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	820
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	821 if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	822 return ngx_quic_negotiate_version(c, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	823 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	824
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	825 if (pkt->level == ssl_encryption_application) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	826 return ngx_quic_send_stateless_reset(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	827 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	828
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	829 if (pkt->level != ssl_encryption_initial) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	830 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	831 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	832
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	833 c->log->action = "processing initial packet";
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	834
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	835 if (pkt->dcid.len < NGX_QUIC_CID_LEN_MIN) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	836 /* 7.2. Negotiating Connection IDs */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	837 ngx_log_error(NGX_LOG_INFO, c->log, 0,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	838 "quic too short dcid in initial"
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	839 " packet: len:%i", pkt->dcid.len);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	840 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	841 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	842
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	843 /* process retry and initialize connection IDs */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	844
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	845 if (pkt->token.len) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	846
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	847 rc = ngx_quic_validate_token(c, conf->av_token_key, pkt);
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	848
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	849 if (rc == NGX_ERROR) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	850 /* internal error */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	851 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	852
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	853 } else if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	854 /* token cannot be decrypted */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	855 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	856 NGX_QUIC_ERR_INVALID_TOKEN,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	857 "cannot decrypt token");
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	858 } else if (rc == NGX_DECLINED) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	859 /* token is invalid */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	860
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	861 if (pkt->retried) {
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	862 /* invalid address validation token */
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	863 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	864 NGX_QUIC_ERR_INVALID_TOKEN,
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	865 "invalid address validation token");
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	866 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	867 /* invalid NEW_TOKEN */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	868 return ngx_quic_send_retry(c, conf, pkt);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	869 }
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	870 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	871
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	872 /* NGX_OK */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	873
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	874 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	875 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	876
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	877 } else {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	878 pkt->odcid = pkt->dcid;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	879 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	880
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	881 if (ngx_terminate \|\| ngx_exiting) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	882 if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	883 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	884 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	885
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	886 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	887 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	888
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	889 c->log->action = "creating quic connection";
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	890
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	891 qc = ngx_quic_new_connection(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	892 if (qc == NULL) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	893 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	894 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	895
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	896 return ngx_quic_process_payload(c, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	897 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	898
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	899
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	900 static ngx_int_t
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	901 ngx_quic_process_payload(ngx_connection_t c, ngx_quic_header_t pkt)
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	902 {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	903 ngx_int_t rc;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	904 ngx_quic_send_ctx_t *ctx;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	905 ngx_quic_connection_t *qc;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	906 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	907
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	908 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	909
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	910 qc->error = 0;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	911 qc->error_reason = 0;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	912
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	913 c->log->action = "decrypting packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	914
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	915 if (!ngx_quic_keys_available(qc->keys, pkt->level)) {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	916 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	917 "quic no level %d keys yet, ignoring packet", pkt->level);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	918 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	919 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	920
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	921 pkt->keys = qc->keys;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	922 pkt->key_phase = qc->key_phase;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	923 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	924
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	925 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	926
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	927 rc = ngx_quic_decrypt(pkt, &ctx->largest_pn);
8536 c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	928 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	929 qc->error = pkt->error;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	930 qc->error_reason = "failed to decrypt packet";
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	931 return rc;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	932 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	933
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	934 pkt->decrypted = 1;
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	935
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	936 if (ngx_quic_update_paths(c, pkt) != NGX_OK) {
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	937 return NGX_ERROR;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	938 }
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	939
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	940 if (c->ssl == NULL) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	941 if (ngx_quic_init_connection(c) != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	942 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	943 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	944 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	945
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	946 if (pkt->level == ssl_encryption_handshake) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	947 /*
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	948 * 4.10.1. The successful use of Handshake packets indicates
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	949 * that no more Initial packets need to be exchanged
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	950 */
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	951 ngx_quic_discard_ctx(c, ssl_encryption_initial);
8611 e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8610 diff changeset	952
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	953 if (qc->socket->path->state != NGX_QUIC_PATH_VALIDATED) {
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	954 qc->socket->path->state = NGX_QUIC_PATH_VALIDATED;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	955 ngx_post_event(&qc->push, &ngx_posted_events);
8611 e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8610 diff changeset	956 }
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	957 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	958
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	959 if (qc->closing) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	960 /*
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	961 * 10.1 Closing and Draining Connection States
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	962 * ... delayed or reordered packets are properly discarded.
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	963 *
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	964 * An endpoint retains only enough information to generate
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	965 * a packet containing a CONNECTION_CLOSE frame and to identify
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	966 * packets as belonging to the connection.
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	967 */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	968
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	969 qc->error_level = pkt->level;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	970 qc->error = NGX_QUIC_ERR_NO_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	971 qc->error_reason = "connection is closing, packet discarded";
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	972 qc->error_ftype = 0;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	973 qc->error_app = 0;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	974
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	975 return ngx_quic_send_cc(c);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	976 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	977
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	978 pkt->received = ngx_current_msec;
8574 1d4417e4f2d0 QUIC: fixed measuring ACK Delay against 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8573 diff changeset	979
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	980 c->log->action = "handling payload";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	981
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	982 if (pkt->level != ssl_encryption_application) {
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	983 return ngx_quic_handle_frames(c, pkt);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	984 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	985
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	986 if (!pkt->key_update) {
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	987 return ngx_quic_handle_frames(c, pkt);
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	988 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	989
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	990 /* switch keys and generate next on Key Phase change */
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	991
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	992 qc->key_phase ^= 1;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	993 ngx_quic_keys_switch(c, qc->keys);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	994
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	995 rc = ngx_quic_handle_frames(c, pkt);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	996 if (rc != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	997 return rc;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	998 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	999
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1000 return ngx_quic_keys_update(c, qc->keys);
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1001 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1002
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1003
8753 46161c610919 QUIC: separate files for SSL library interfaces. Vladimir Homutov <vl@nginx.com> parents: 8752 diff changeset	1004 void
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1005 ngx_quic_discard_ctx(ngx_connection_t *c, enum ssl_encryption_level_t level)
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1006 {
8507 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1007 ngx_queue_t *q;
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1008 ngx_quic_frame_t *f;
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1009 ngx_quic_socket_t *qsock;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1010 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	1011 ngx_quic_connection_t *qc;
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1012
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1013 qc = ngx_quic_get_connection(c);
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1014
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1015 if (!ngx_quic_keys_available(qc->keys, level)) {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1016 return;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1017 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1018
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1019 ngx_quic_keys_discard(qc->keys, level);
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1020
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1021 qc->pto_count = 0;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1022
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1023 ctx = ngx_quic_get_send_ctx(qc, level);
8507 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1024
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1025 while (!ngx_queue_empty(&ctx->sent)) {
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1026 q = ngx_queue_head(&ctx->sent);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1027 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1028
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1029 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1030 ngx_quic_congestion_ack(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1031 ngx_quic_free_frame(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1032 }
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1033
8612 b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1034 while (!ngx_queue_empty(&ctx->frames)) {
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1035 q = ngx_queue_head(&ctx->frames);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1036 ngx_queue_remove(q);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1037
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1038 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1039 ngx_quic_congestion_ack(c, f);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1040 ngx_quic_free_frame(c, f);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1041 }
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1042
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1043 if (level == ssl_encryption_initial) {
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1044 /* close temporary listener with odcid */
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1045 qsock = ngx_quic_find_socket(c, NGX_QUIC_UNSET_PN);
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1046 if (qsock) {
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1047 ngx_quic_close_socket(c, qsock);
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1048 }
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1049 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1050
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1051 ctx->send_ack = 0;
8697 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	1052
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	1053 ngx_quic_set_lost_timer(c);
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1054 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1055
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1056
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1057 static ngx_int_t
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	1058 ngx_quic_check_csid(ngx_quic_connection_t qc, ngx_quic_header_t pkt)
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1059 {
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1060 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1061 ngx_quic_client_id_t *cid;
8381 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	1062
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1063 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1064 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1065 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1066 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1067 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1068
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1069 if (pkt->scid.len == cid->len
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1070 && ngx_memcmp(pkt->scid.data, cid->id, cid->len) == 0)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1071 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1072 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1073 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1074 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1075
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1076 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scid");
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1077 return NGX_ERROR;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1078 }
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	1079
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	1080
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1081 static ngx_int_t
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1082 ngx_quic_handle_frames(ngx_connection_t c, ngx_quic_header_t pkt)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1083 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1084 u_char end, p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1085 ssize_t len;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1086 ngx_buf_t buf;
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1087 ngx_uint_t do_close, nonprobing;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1088 ngx_chain_t chain;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1089 ngx_quic_frame_t frame;
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1090 ngx_quic_socket_t *qsock;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1091 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1092
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1093 qc = ngx_quic_get_connection(c);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1094
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1095 p = pkt->payload.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1096 end = p + pkt->payload.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1097
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1098 do_close = 0;
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1099 nonprobing = 0;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1100
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1101 while (p < end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1102
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1103 c->log->action = "parsing frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1104
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1105 ngx_memzero(&frame, sizeof(ngx_quic_frame_t));
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1106 ngx_memzero(&buf, sizeof(ngx_buf_t));
8659 d9f673d18e9b QUIC: set the temporary flag for input frame buffers. Roman Arutyunyan <arut@nginx.com> parents: 8658 diff changeset	1107 buf.temporary = 1;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1108
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1109 chain.buf = &buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1110 chain.next = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1111 frame.data = &chain;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1112
8240 1f002206a59b Added boundaries checks into frame parser. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	1113 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	1114
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1115 if (len < 0) {
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	1116 qc->error = pkt->error;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1117 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1118 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1119
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	1120 ngx_quic_log_frame(c->log, &frame, 0);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	1121
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1122 c->log->action = "handling frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1123
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1124 p += len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1125
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1126 switch (frame.type) {
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1127 /* probing frames */
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1128 case NGX_QUIC_FT_PADDING:
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1129 case NGX_QUIC_FT_PATH_CHALLENGE:
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1130 case NGX_QUIC_FT_PATH_RESPONSE:
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1131 break;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1132
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1133 /* non-probing frames */
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1134 default:
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1135 nonprobing = 1;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1136 break;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1137 }
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1138
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1139 switch (frame.type) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1140
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1141 case NGX_QUIC_FT_ACK:
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1142 if (ngx_quic_handle_ack_frame(c, pkt, &frame) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1143 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1144 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1145
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1146 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1147
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1148 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1149 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1150 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1151
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1152 case NGX_QUIC_FT_CONNECTION_CLOSE:
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1153 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1154 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1155 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1156 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1157
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1158 /* got there with ack-eliciting packet */
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1159 pkt->need_ack = 1;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1160
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1161 switch (frame.type) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1162
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1163 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1164
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1165 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	1166 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1167 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1168
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1169 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1170
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1171 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1172 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1173
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1174 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1175 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1176 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1177 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1178 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1179 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1180 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1181 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1182
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1183 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	1184 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1185 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1186
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1187 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1188
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1189 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	1190
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1191 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	1192 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1193 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1194 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1195
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1196 break;
ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1197
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1198 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1199 case NGX_QUIC_FT_STREAMS_BLOCKED2:
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1200
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1201 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	1202 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1203 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1204 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1205 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1206 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1207
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1208 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1209
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1210 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	1211
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1212 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	1213 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1214 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1215 {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1216 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1217 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1218
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1219 break;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1220
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1221 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	1222
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1223 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	1224 &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	1225 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1226 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1227 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1228 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1229
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1230 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1231
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1232 case NGX_QUIC_FT_RESET_STREAM:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1233
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1234 if (ngx_quic_handle_reset_stream_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1235 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1236 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1237 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1238 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1239 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1240
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1241 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1242
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1243 case NGX_QUIC_FT_STOP_SENDING:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1244
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1245 if (ngx_quic_handle_stop_sending_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1246 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1247 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1248 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1249 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1250 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1251
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1252 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1253
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1254 case NGX_QUIC_FT_MAX_STREAMS:
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1255 case NGX_QUIC_FT_MAX_STREAMS2:
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1256
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1257 if (ngx_quic_handle_max_streams_frame(c, pkt, &frame.u.max_streams)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1258 != NGX_OK)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1259 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1260 return NGX_ERROR;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1261 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1262
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1263 break;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1264
8531 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1265 case NGX_QUIC_FT_PATH_CHALLENGE:
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1266
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1267 if (ngx_quic_handle_path_challenge_frame(c, pkt,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1268 &frame.u.path_challenge)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1269 != NGX_OK)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1270 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1271 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1272 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1273
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1274 break;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1275
8737 76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1276 case NGX_QUIC_FT_PATH_RESPONSE:
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1277
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1278 if (ngx_quic_handle_path_response_frame(c, pkt,
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1279 &frame.u.path_response)
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1280 != NGX_OK)
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1281 {
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1282 return NGX_ERROR;
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1283 }
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1284
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1285 break;
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1286
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1287 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1288
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1289 if (ngx_quic_handle_new_connection_id_frame(c, pkt, &frame.u.ncid)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1290 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1291 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1292 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1293 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1294
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1295 break;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1296
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1297 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1298
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1299 if (ngx_quic_handle_retire_connection_id_frame(c, pkt,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1300 &frame.u.retire_cid)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1301 != NGX_OK)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1302 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1303 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1304 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1305
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1306 break;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1307
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1308 default:
8346 4e4485793418 Added MAX_STREAM_DATA stub handler. Vladimir Homutov <vl@nginx.com> parents: 8345 diff changeset	1309 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1310 "quic missing frame handler");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1311 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1312 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1313 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1314
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1315 if (p != end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1316 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	1317 "quic trailing garbage in payload:%ui bytes", end - p);
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	1318
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	1319 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1320 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1321 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1322
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1323 if (do_close) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1324 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1325 ngx_quic_close_connection(c, NGX_OK);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1326 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1327
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1328 qsock = ngx_quic_get_socket(c);
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1329
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1330 if (qsock != qc->socket) {
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1331
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1332 if (qsock->path != qc->socket->path && nonprobing) {
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1333 /*
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1334 * An endpoint can migrate a connection to a new local
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1335 * address by sending packets containing non-probing frames
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1336 * from that address.
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1337 */
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1338 if (ngx_quic_handle_migration(c, pkt) != NGX_OK) {
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1339 return NGX_ERROR;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1340 }
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1341 }
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1342 /*
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1343 * else: packet arrived via non-default socket;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1344 * no reason to change active path
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1345 */
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1346 }
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1347
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1348 if (ngx_quic_ack_packet(c, pkt) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1349 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1350 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1351
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1352 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1353 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1354
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1355
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1356 static void
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1357 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1358 {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1359 ngx_connection_t *c;
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1360
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1361 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	1362
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1363 c = ev->data;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1364
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1365 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	1366 ngx_quic_close_connection(c, NGX_ERROR);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1367 return;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1368 }
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	1369
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	1370 ngx_quic_connstate_dbg(c);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1371 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1372
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1373
8750 41807e581de9 QUIC: separate files for stream related processing. Vladimir Homutov <vl@nginx.com> parents: 8749 diff changeset	1374 void
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1375 ngx_quic_shutdown_quic(ngx_connection_t *c)
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1376 {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1377 ngx_rbtree_t *tree;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1378 ngx_rbtree_node_t *node;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1379 ngx_quic_stream_t *qs;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1380 ngx_quic_connection_t *qc;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1381
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1382 qc = ngx_quic_get_connection(c);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1383
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1384 if (qc->closing) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1385 return;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1386 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1387
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1388 tree = &qc->streams.tree;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1389
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1390 if (tree->root != tree->sentinel) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1391 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1392 node;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1393 node = ngx_rbtree_next(tree, node))
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1394 {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1395 qs = (ngx_quic_stream_t *) node;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1396
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1397 if (!qs->cancelable) {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1398 return;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1399 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1400 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1401 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1402
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1403 ngx_quic_finalize_connection(c, qc->shutdown_code, qc->shutdown_reason);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	1404 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	1405
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	1406
8626 e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	1407 uint32_t
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	1408 ngx_quic_version(ngx_connection_t *c)
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	1409 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1410 uint32_t version;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1411 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1412
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1413 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1414
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1415 version = qc->version;
8626 e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	1416
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	1417 return (version & 0xff000000) == 0xff000000 ? version & 0xff : version;
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	1418 }

Mercurial > hg > nginx

annotate src/event/quic/ngx_event_quic.c @ 8763:4117aa7fa38e quic