Mercurial > hg > nginx-quic

annotate src/event/quic/ngx_event_quic.h @ 8850:e56a05d6dbd1 quic

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
QUIC: fixed resetting stream wev->ready flag. Previously, the flag could be reset after send_chain() with a limit, even though there was room for more data. The application then started waiting for a write event notification, which never happened. Now the wev->ready flag is only reset when flow control is exhausted.
author Roman Arutyunyan <arut@nginx.com>
date Wed, 09 Feb 2022 14:49:05 +0300
parents 6c1dfd072859
children a5aebd51e4c7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
7633
5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
1
5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
2 /*
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7647
diff changeset
3 * Copyright (C) Nginx, Inc.
7633
5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
4 */
5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
5
5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
6
5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
7 #ifndef _NGX_EVENT_QUIC_H_INCLUDED_
5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
8 #define _NGX_EVENT_QUIC_H_INCLUDED_
5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
9
5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
10
7824
a5141e6b3214 Fixed includes in quic headers.
Roman Arutyunyan <arut@nginx.com>
parents: 7822
diff changeset
11 #include <ngx_config.h>
a5141e6b3214 Fixed includes in quic headers.
Roman Arutyunyan <arut@nginx.com>
parents: 7822
diff changeset
12 #include <ngx_core.h>
7636
53a5cdbe500c QUIC add_handshake_data callback, varint routines.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7635
diff changeset
13
7687
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 7681
diff changeset
14
7910
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
15 #define NGX_QUIC_MAX_UDP_PAYLOAD_SIZE 65527
7927
391d06a51bc0 Limited max udp payload size for outgoing packets.
Vladimir Homutov <vl@nginx.com>
parents: 7913
diff changeset
16
7731
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 7729
diff changeset
17 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 7729
diff changeset
18 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25
8287
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8279
diff changeset
19 #define NGX_QUIC_DEFAULT_HOST_KEY_LEN 32
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8279
diff changeset
20 #define NGX_QUIC_SR_KEY_LEN 32
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8279
diff changeset
21 #define NGX_QUIC_AV_KEY_LEN 32
7731
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 7729
diff changeset
22
8407
c8bda5e1e662 QUIC: headers cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
23 #define NGX_QUIC_SR_TOKEN_LEN 16
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7829
diff changeset
24
7822
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
25 #define NGX_QUIC_MIN_INITIAL_SIZE 1200
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
26
7746
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7739
diff changeset
27 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7739
diff changeset
28 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7739
diff changeset
29
7713
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
30
8825
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
31 typedef enum {
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
32 NGX_QUIC_STREAM_SEND_READY = 0,
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
33 NGX_QUIC_STREAM_SEND_SEND,
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
34 NGX_QUIC_STREAM_SEND_DATA_SENT,
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
35 NGX_QUIC_STREAM_SEND_DATA_RECVD,
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
36 NGX_QUIC_STREAM_SEND_RESET_SENT,
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
37 NGX_QUIC_STREAM_SEND_RESET_RECVD
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
38 } ngx_quic_stream_send_state_e;
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
39
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
40
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
41 typedef enum {
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
42 NGX_QUIC_STREAM_RECV_RECV = 0,
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
43 NGX_QUIC_STREAM_RECV_SIZE_KNOWN,
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
44 NGX_QUIC_STREAM_RECV_DATA_RECVD,
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
45 NGX_QUIC_STREAM_RECV_DATA_READ,
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
46 NGX_QUIC_STREAM_RECV_RESET_RECVD,
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
47 NGX_QUIC_STREAM_RECV_RESET_READ
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
48 } ngx_quic_stream_recv_state_e;
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
49
b42a041d23a2 QUIC: introduced explicit stream states.
Roman Arutyunyan <arut@nginx.com>
parents: 8814
diff changeset
50
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7748
diff changeset
51 typedef struct {
8827
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
52 ngx_ssl_t *ssl;
8713
d6ef13c5fd8e QUIC: simplified configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8695
diff changeset
53
8827
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
54 ngx_flag_t retry;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
55 ngx_flag_t gso_enabled;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
56 ngx_flag_t disable_active_migration;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
57 ngx_msec_t timeout;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
58 ngx_str_t host_key;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
59 size_t mtu;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
60 size_t stream_buffer_size;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
61 ngx_uint_t max_concurrent_streams_bidi;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
62 ngx_uint_t max_concurrent_streams_uni;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
63 ngx_uint_t active_connection_id_limit;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
64 ngx_int_t stream_close_code;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
65 ngx_int_t stream_reject_code_uni;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
66 ngx_int_t stream_reject_code_bidi;
8713
d6ef13c5fd8e QUIC: simplified configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8695
diff changeset
67
8827
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
68 u_char av_token_key[NGX_QUIC_AV_KEY_LEN];
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
69 u_char sr_token_key[NGX_QUIC_SR_KEY_LEN];
7999
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 7998
diff changeset
70 } ngx_quic_conf_t;
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 7998
diff changeset
71
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 7998
diff changeset
72
7674
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7648
diff changeset
73 struct ngx_quic_stream_s {
8827
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
74 ngx_rbtree_node_t node;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
75 ngx_queue_t queue;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
76 ngx_connection_t *parent;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
77 ngx_connection_t *connection;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
78 uint64_t id;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
79 uint64_t acked;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
80 uint64_t send_max_data;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
81 uint64_t recv_max_data;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
82 uint64_t recv_offset;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
83 uint64_t recv_window;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
84 uint64_t recv_last;
8847
6c1dfd072859 QUIC: switch stream to DATA_RECVD state.
Roman Arutyunyan <arut@nginx.com>
parents: 8827
diff changeset
85 uint64_t recv_size;
8827
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
86 uint64_t final_size;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
87 ngx_chain_t *in;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
88 ngx_chain_t *out;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
89 ngx_uint_t cancelable; /* unsigned cancelable:1; */
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
90 ngx_quic_stream_send_state_e send_state;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
parents: 8825
diff changeset
91 ngx_quic_stream_recv_state_e recv_state;
7674
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7648
diff changeset
92 };
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7648
diff changeset
93
7634
b507592c15a7 Server Initial Keys.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7633
diff changeset
94
8101
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8100
diff changeset
95 void ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf);
8013
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8001
diff changeset
96 ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi);
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7933
diff changeset
97 void 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: 7933
diff changeset
98 const char *reason);
8359
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8323
diff changeset
99 void ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err,
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8323
diff changeset
100 const char *reason);
8296
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8287
diff changeset
101 ngx_int_t ngx_quic_reset_stream(ngx_connection_t *c, ngx_uint_t err);
8679
b4c7853b0488 QUIC: added shutdown support in stream proxy.
Vladimir Homutov <vl@nginx.com>
parents: 8617
diff changeset
102 ngx_int_t ngx_quic_shutdown_stream(ngx_connection_t *c, int how);
8617
9ae239d2547d QUIC: separate event handling functions.
Roman Arutyunyan <arut@nginx.com>
parents: 8552
diff changeset
103 ngx_int_t ngx_quic_handle_read_event(ngx_event_t *rev, ngx_uint_t flags);
9ae239d2547d QUIC: separate event handling functions.
Roman Arutyunyan <arut@nginx.com>
parents: 8552
diff changeset
104 ngx_int_t ngx_quic_handle_write_event(ngx_event_t *wev, size_t lowat);
8198
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8196
diff changeset
105 ngx_int_t ngx_quic_get_packet_dcid(ngx_log_t *log, u_char *data, size_t len,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8196
diff changeset
106 ngx_str_t *dcid);
8415
b4e6b7049984 QUIC: normalize header inclusion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8414
diff changeset
107 ngx_int_t ngx_quic_derive_key(ngx_log_t *log, const char *label,
b4e6b7049984 QUIC: normalize header inclusion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8414
diff changeset
108 ngx_str_t *secret, ngx_str_t *salt, u_char *out, size_t len);
7633
5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
109
5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
110 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */