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annotate src/http/v3/ngx_http_v3.h @ 9105:8057e053480a quic

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QUIC: style.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 11 May 2023 18:48:01 +0300
parents c851a2ed5ce8
children f742b1b46901
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1
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2 /*
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3 * Copyright (C) Roman Arutyunyan
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4 * Copyright (C) Nginx, Inc.
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5 */
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6
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7
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8 #ifndef _NGX_HTTP_V3_H_INCLUDED_
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9 #define _NGX_HTTP_V3_H_INCLUDED_
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11
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14 #include <ngx_http.h>
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16 #include <ngx_http_v3_parse.h>
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17 #include <ngx_http_v3_encode.h>
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18 #include <ngx_http_v3_uni.h>
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19 #include <ngx_http_v3_table.h>
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20
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21
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22 #define NGX_HTTP_V3_ALPN_PROTO "\x02h3"
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23 #define NGX_HTTP_V3_HQ_ALPN_PROTO "\x0Ahq-interop"
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24 #define NGX_HTTP_V3_HQ_PROTO "hq-interop"
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26 #define NGX_HTTP_V3_VARLEN_INT_LEN 4
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27 #define NGX_HTTP_V3_PREFIX_INT_LEN 11
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28
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29 #define NGX_HTTP_V3_STREAM_CONTROL 0x00
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30 #define NGX_HTTP_V3_STREAM_PUSH 0x01
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31 #define NGX_HTTP_V3_STREAM_ENCODER 0x02
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32 #define NGX_HTTP_V3_STREAM_DECODER 0x03
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33
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34 #define NGX_HTTP_V3_FRAME_DATA 0x00
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35 #define NGX_HTTP_V3_FRAME_HEADERS 0x01
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36 #define NGX_HTTP_V3_FRAME_CANCEL_PUSH 0x03
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37 #define NGX_HTTP_V3_FRAME_SETTINGS 0x04
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38 #define NGX_HTTP_V3_FRAME_PUSH_PROMISE 0x05
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39 #define NGX_HTTP_V3_FRAME_GOAWAY 0x07
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40 #define NGX_HTTP_V3_FRAME_MAX_PUSH_ID 0x0d
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41
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42 #define NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY 0x01
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43 #define NGX_HTTP_V3_PARAM_MAX_FIELD_SECTION_SIZE 0x06
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44 #define NGX_HTTP_V3_PARAM_BLOCKED_STREAMS 0x07
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45
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46 #define NGX_HTTP_V3_MAX_TABLE_CAPACITY 4096
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48 #define NGX_HTTP_V3_STREAM_CLIENT_CONTROL 0
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49 #define NGX_HTTP_V3_STREAM_SERVER_CONTROL 1
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50 #define NGX_HTTP_V3_STREAM_CLIENT_ENCODER 2
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51 #define NGX_HTTP_V3_STREAM_SERVER_ENCODER 3
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52 #define NGX_HTTP_V3_STREAM_CLIENT_DECODER 4
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53 #define NGX_HTTP_V3_STREAM_SERVER_DECODER 5
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54 #define NGX_HTTP_V3_MAX_KNOWN_STREAM 6
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55 #define NGX_HTTP_V3_MAX_UNI_STREAMS 3
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56
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57 /* HTTP/3 errors */
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58 #define NGX_HTTP_V3_ERR_NO_ERROR 0x100
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59 #define NGX_HTTP_V3_ERR_GENERAL_PROTOCOL_ERROR 0x101
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60 #define NGX_HTTP_V3_ERR_INTERNAL_ERROR 0x102
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61 #define NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR 0x103
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62 #define NGX_HTTP_V3_ERR_CLOSED_CRITICAL_STREAM 0x104
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63 #define NGX_HTTP_V3_ERR_FRAME_UNEXPECTED 0x105
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64 #define NGX_HTTP_V3_ERR_FRAME_ERROR 0x106
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65 #define NGX_HTTP_V3_ERR_EXCESSIVE_LOAD 0x107
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66 #define NGX_HTTP_V3_ERR_ID_ERROR 0x108
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67 #define NGX_HTTP_V3_ERR_SETTINGS_ERROR 0x109
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68 #define NGX_HTTP_V3_ERR_MISSING_SETTINGS 0x10a
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69 #define NGX_HTTP_V3_ERR_REQUEST_REJECTED 0x10b
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70 #define NGX_HTTP_V3_ERR_REQUEST_CANCELLED 0x10c
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71 #define NGX_HTTP_V3_ERR_REQUEST_INCOMPLETE 0x10d
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72 #define NGX_HTTP_V3_ERR_CONNECT_ERROR 0x10f
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73 #define NGX_HTTP_V3_ERR_VERSION_FALLBACK 0x110
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74
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75 /* QPACK errors */
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76 #define NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED 0x200
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77 #define NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR 0x201
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78 #define NGX_HTTP_V3_ERR_DECODER_STREAM_ERROR 0x202
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79
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80
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81 #define ngx_http_quic_get_connection(c) \
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82 ((ngx_http_connection_t *) ((c)->quic ? (c)->quic->parent->data \
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83 : (c)->data))
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84
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85 #define ngx_http_v3_get_session(c) ngx_http_quic_get_connection(c)->v3_session
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86
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87 #define ngx_http_v3_get_module_loc_conf(c, module) \
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88 ngx_http_get_module_loc_conf(ngx_http_quic_get_connection(c)->conf_ctx, \
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89 module)
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90
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91 #define ngx_http_v3_get_module_srv_conf(c, module) \
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92 ngx_http_get_module_srv_conf(ngx_http_quic_get_connection(c)->conf_ctx, \
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93 module)
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94
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95 #define ngx_http_v3_finalize_connection(c, code, reason) \
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96 ngx_quic_finalize_connection((c)->quic ? (c)->quic->parent : (c), \
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97 code, reason)
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98
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99 #define ngx_http_v3_shutdown_connection(c, code, reason) \
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100 ngx_quic_shutdown_connection((c)->quic ? (c)->quic->parent : (c), \
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101 code, reason)
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102
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103
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104 typedef struct {
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105 ngx_flag_t enable;
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106 ngx_flag_t enable_hq;
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107 size_t max_table_capacity;
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108 ngx_uint_t max_blocked_streams;
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109 ngx_uint_t max_concurrent_pushes;
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110 ngx_uint_t max_concurrent_streams;
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111 ngx_quic_conf_t quic;
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112 } ngx_http_v3_srv_conf_t;
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113
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114
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115 typedef struct {
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116 ngx_flag_t push_preload;
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117 ngx_flag_t push;
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118 ngx_array_t *pushes;
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119 } ngx_http_v3_loc_conf_t;
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120
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121
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122 struct ngx_http_v3_parse_s {
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123 size_t header_limit;
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124 ngx_http_v3_parse_headers_t headers;
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125 ngx_http_v3_parse_data_t body;
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10522e8dea41 HTTP/3: improved processing of multiple Cookie field lines.
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126 ngx_array_t *cookies;
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3057bae4dba7 HTTP/3: introduced ngx_http_v3_parse_t structure.
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parents: 8705
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127 };
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128
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129
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parents: 8769
diff changeset
130 struct ngx_http_v3_session_s {
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parents: 8454
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131 ngx_http_v3_dynamic_table_t table;
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parents: 8488
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132
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133 ngx_event_t keepalive;
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parents: 8724
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134 ngx_uint_t nrequests;
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parents: 8724
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135
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parents: 8454
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136 ngx_queue_t blocked;
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Roman Arutyunyan <arut@nginx.com>
parents: 8454
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137 ngx_uint_t nblocked;
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parents: 8488
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138
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parents: 8488
diff changeset
139 ngx_queue_t pushing;
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parents: 8488
diff changeset
140 ngx_uint_t npushing;
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parents: 8488
diff changeset
141 uint64_t next_push_id;
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Roman Arutyunyan <arut@nginx.com>
parents: 8488
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142 uint64_t max_push_id;
8796
1fec68e322d0 HTTP/3: client GOAWAY support.
Roman Arutyunyan <arut@nginx.com>
parents: 8773
diff changeset
143 uint64_t goaway_push_id;
9055
1192923be0aa QUIC: idle mode for main connection.
Roman Arutyunyan <arut@nginx.com>
parents: 9054
diff changeset
144 uint64_t next_request_id;
8497
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parents: 8488
diff changeset
145
8881
72b304f6207c HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents: 8829
diff changeset
146 off_t total_bytes;
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parents: 8829
diff changeset
147 off_t payload_bytes;
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parents: 8829
diff changeset
148
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6546c2ae1c7b HTTP/3: unified hq code with regular HTTP/3 code.
Roman Arutyunyan <arut@nginx.com>
parents: 9020
diff changeset
149 unsigned goaway:1;
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Roman Arutyunyan <arut@nginx.com>
parents: 9020
diff changeset
150 unsigned hq:1;
8742
47a43b011dec HTTP/3: keepalive_time support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8740
diff changeset
151
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parents: 8454
diff changeset
152 ngx_connection_t *known_streams[NGX_HTTP_V3_MAX_KNOWN_STREAM];
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9ec3e71f8a61 HTTP/3: reference h3c directly from ngx_http_connection_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8768
diff changeset
153 };
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parents: 8454
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154
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Roman Arutyunyan <arut@nginx.com>
parents: 8454
diff changeset
155
9057
7b83da3bdf9f HTTP/3: renamed functions.
Roman Arutyunyan <arut@nginx.com>
parents: 9055
diff changeset
156 void ngx_http_v3_init_stream(ngx_connection_t *c);
7b83da3bdf9f HTTP/3: renamed functions.
Roman Arutyunyan <arut@nginx.com>
parents: 9055
diff changeset
157 void ngx_http_v3_reset_stream(ngx_connection_t *c);
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b43e50f47b2e HTTP/3: separate header files for existing source files.
Roman Arutyunyan <arut@nginx.com>
parents: 8772
diff changeset
158 ngx_int_t ngx_http_v3_init_session(ngx_connection_t *c);
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Roman Arutyunyan <arut@nginx.com>
parents: 8829
diff changeset
159 ngx_int_t ngx_http_v3_check_flood(ngx_connection_t *c);
9058
b0c2234aaa9f QUIC: application init() callback.
Roman Arutyunyan <arut@nginx.com>
parents: 9057
diff changeset
160 ngx_int_t ngx_http_v3_init(ngx_connection_t *c);
9055
1192923be0aa QUIC: idle mode for main connection.
Roman Arutyunyan <arut@nginx.com>
parents: 9054
diff changeset
161 void ngx_http_v3_shutdown(ngx_connection_t *c);
8773
b43e50f47b2e HTTP/3: separate header files for existing source files.
Roman Arutyunyan <arut@nginx.com>
parents: 8772
diff changeset
162
8689
6bd8ed493b85 HTTP/3: refactored request body parser.
Roman Arutyunyan <arut@nginx.com>
parents: 8681
diff changeset
163 ngx_int_t ngx_http_v3_read_request_body(ngx_http_request_t *r);
6bd8ed493b85 HTTP/3: refactored request body parser.
Roman Arutyunyan <arut@nginx.com>
parents: 8681
diff changeset
164 ngx_int_t ngx_http_v3_read_unbuffered_request_body(ngx_http_request_t *r);
8215
38c0898b6df7 HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
diff changeset
165
38c0898b6df7 HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
diff changeset
166
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Roman Arutyunyan <arut@nginx.com>
parents:
diff changeset
167 extern ngx_module_t ngx_http_v3_module;
38c0898b6df7 HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
diff changeset
168
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parents:
diff changeset
169
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parents:
diff changeset
170 #endif /* _NGX_HTTP_V3_H_INCLUDED_ */