Mercurial > hg > nginx-quic
comparison src/event/quic/ngx_event_quic.h @ 8266:046c951e393a quic
QUIC: moved all quic sources into src/event/quic.
author | Vladimir Homutov <vl@nginx.com> |
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date | Fri, 25 Dec 2020 14:01:28 +0300 |
parents | src/event/ngx_event_quic.h@2dfc5ef29973 |
children | dffb66fb783b |
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8265:13c537def699 | 8266:046c951e393a |
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1 | |
2 /* | |
3 * Copyright (C) Nginx, Inc. | |
4 */ | |
5 | |
6 | |
7 #ifndef _NGX_EVENT_QUIC_H_INCLUDED_ | |
8 #define _NGX_EVENT_QUIC_H_INCLUDED_ | |
9 | |
10 | |
11 #include <ngx_config.h> | |
12 #include <ngx_core.h> | |
13 | |
14 | |
15 /* Supported drafts: 27, 28, 29 */ | |
16 #ifndef NGX_QUIC_DRAFT_VERSION | |
17 #define NGX_QUIC_DRAFT_VERSION 29 | |
18 #endif | |
19 | |
20 #define NGX_QUIC_MAX_SHORT_HEADER 25 /* 1 flags + 20 dcid + 4 pn */ | |
21 #define NGX_QUIC_MAX_LONG_HEADER 56 | |
22 /* 1 flags + 4 version + 2 x (1 + 20) s/dcid + 4 pn + 4 len + token len */ | |
23 | |
24 #define NGX_QUIC_MAX_UDP_PAYLOAD_SIZE 65527 | |
25 #define NGX_QUIC_MAX_UDP_PAYLOAD_OUT 1252 | |
26 #define NGX_QUIC_MAX_UDP_PAYLOAD_OUT6 1232 | |
27 | |
28 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3 | |
29 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25 | |
30 #define NGX_QUIC_DEFAULT_SRT_KEY_LEN 32 | |
31 | |
32 #define NGX_QUIC_RETRY_TIMEOUT 3000 | |
33 #define NGX_QUIC_RETRY_LIFETIME 30000 | |
34 #define NGX_QUIC_RETRY_BUFFER_SIZE 128 | |
35 /* 1 flags + 4 version + 3 x (1 + 20) s/o/dcid + itag + token(44) */ | |
36 #define NGX_QUIC_MAX_TOKEN_SIZE 32 | |
37 /* sizeof(struct in6_addr) + sizeof(ngx_msec_t) up to AES-256 block size */ | |
38 | |
39 /* quic-recovery, section 6.2.2, kInitialRtt */ | |
40 #define NGX_QUIC_INITIAL_RTT 333 /* ms */ | |
41 | |
42 /* quic-recovery, section 6.1.1, Packet Threshold */ | |
43 #define NGX_QUIC_PKT_THR 3 /* packets */ | |
44 /* quic-recovery, section 6.1.2, Time Threshold */ | |
45 #define NGX_QUIC_TIME_THR 1.125 | |
46 #define NGX_QUIC_TIME_GRANULARITY 1 /* ms */ | |
47 | |
48 #define NGX_QUIC_CC_MIN_INTERVAL 1000 /* 1s */ | |
49 | |
50 #define NGX_QUIC_MIN_INITIAL_SIZE 1200 | |
51 | |
52 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01 | |
53 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02 | |
54 | |
55 #define NGX_QUIC_STREAM_BUFSIZE 65536 | |
56 | |
57 #define NGX_QUIC_MAX_CID_LEN 20 | |
58 #define NGX_QUIC_SERVER_CID_LEN NGX_QUIC_MAX_CID_LEN | |
59 | |
60 #define NGX_QUIC_SR_TOKEN_LEN 16 | |
61 | |
62 #define NGX_QUIC_MAX_SERVER_IDS 8 | |
63 | |
64 #define NGX_QUIC_BUFFER_SIZE 4096 | |
65 | |
66 #define ngx_quic_get_connection(c) ((ngx_quic_connection_t *)(c)->udp) | |
67 | |
68 | |
69 typedef struct { | |
70 /* configurable */ | |
71 ngx_msec_t max_idle_timeout; | |
72 ngx_msec_t max_ack_delay; | |
73 | |
74 size_t max_udp_payload_size; | |
75 size_t initial_max_data; | |
76 size_t initial_max_stream_data_bidi_local; | |
77 size_t initial_max_stream_data_bidi_remote; | |
78 size_t initial_max_stream_data_uni; | |
79 ngx_uint_t initial_max_streams_bidi; | |
80 ngx_uint_t initial_max_streams_uni; | |
81 ngx_uint_t ack_delay_exponent; | |
82 ngx_uint_t active_connection_id_limit; | |
83 ngx_flag_t disable_active_migration; | |
84 ngx_str_t original_dcid; | |
85 ngx_str_t initial_scid; | |
86 ngx_str_t retry_scid; | |
87 u_char sr_token[NGX_QUIC_SR_TOKEN_LEN]; | |
88 | |
89 /* TODO */ | |
90 void *preferred_address; | |
91 } ngx_quic_tp_t; | |
92 | |
93 | |
94 typedef struct { | |
95 ngx_ssl_t *ssl; | |
96 ngx_quic_tp_t tp; | |
97 ngx_flag_t retry; | |
98 ngx_flag_t require_alpn; | |
99 u_char token_key[32]; /* AES 256 */ | |
100 ngx_str_t sr_token_key; /* stateless reset token key */ | |
101 } ngx_quic_conf_t; | |
102 | |
103 | |
104 typedef struct { | |
105 uint64_t sent; | |
106 uint64_t received; | |
107 ngx_queue_t frames; /* reorder queue */ | |
108 size_t total; /* size of buffered data */ | |
109 } ngx_quic_frames_stream_t; | |
110 | |
111 | |
112 struct ngx_quic_stream_s { | |
113 ngx_rbtree_node_t node; | |
114 ngx_connection_t *parent; | |
115 ngx_connection_t *c; | |
116 uint64_t id; | |
117 uint64_t acked; | |
118 uint64_t send_max_data; | |
119 ngx_buf_t *b; | |
120 ngx_quic_frames_stream_t fs; | |
121 }; | |
122 | |
123 | |
124 typedef struct ngx_quic_keys_s ngx_quic_keys_t; | |
125 | |
126 | |
127 void ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf); | |
128 ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi); | |
129 void ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err, | |
130 const char *reason); | |
131 uint32_t ngx_quic_version(ngx_connection_t *c); | |
132 ngx_int_t ngx_quic_get_packet_dcid(ngx_log_t *log, u_char *data, size_t len, | |
133 ngx_str_t *dcid); | |
134 | |
135 | |
136 /********************************* DEBUG *************************************/ | |
137 | |
138 /* #define NGX_QUIC_DEBUG_PACKETS */ /* dump packet contents */ | |
139 /* #define NGX_QUIC_DEBUG_FRAMES */ /* dump frames contents */ | |
140 /* #define NGX_QUIC_DEBUG_ALLOC */ /* log frames and bufs alloc */ | |
141 /* #define NGX_QUIC_DEBUG_CRYPTO */ | |
142 | |
143 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */ |