Mercurial > hg > nginx-quic
annotate src/http/v3/ngx_http_v3.h @ 8090:351d62300832 quic
HTTP/3: rearranged length check when parsing header.
The new code looks simpler and is similar to other checks.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Wed, 16 Sep 2020 20:21:03 +0100 |
parents | 0596fe1aee16 |
children | e0947c952d43 |
rev | line source |
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7681 | 1 |
2 /* | |
3 * Copyright (C) Roman Arutyunyan | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #ifndef _NGX_HTTP_V3_H_INCLUDED_ | |
9 #define _NGX_HTTP_V3_H_INCLUDED_ | |
10 | |
11 | |
12 #include <ngx_config.h> | |
13 #include <ngx_core.h> | |
14 #include <ngx_http.h> | |
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15 #include <ngx_http_v3_parse.h> |
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17 | |
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18 #define NGX_HTTP_V3_ALPN(s) NGX_HTTP_V3_ALPN_DRAFT(s) |
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19 #define NGX_HTTP_V3_ALPN_DRAFT(s) "\x05h3-" #s |
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20 #define NGX_HTTP_V3_ALPN_ADVERTISE NGX_HTTP_V3_ALPN(NGX_QUIC_DRAFT_VERSION) |
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22 #define NGX_HTTP_V3_VARLEN_INT_LEN 4 |
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23 #define NGX_HTTP_V3_PREFIX_INT_LEN 11 |
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24 |
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25 #define NGX_HTTP_V3_STREAM_CONTROL 0x00 |
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26 #define NGX_HTTP_V3_STREAM_PUSH 0x01 |
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27 #define NGX_HTTP_V3_STREAM_ENCODER 0x02 |
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28 #define NGX_HTTP_V3_STREAM_DECODER 0x03 |
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29 |
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30 #define NGX_HTTP_V3_FRAME_DATA 0x00 |
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31 #define NGX_HTTP_V3_FRAME_HEADERS 0x01 |
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32 #define NGX_HTTP_V3_FRAME_CANCEL_PUSH 0x03 |
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33 #define NGX_HTTP_V3_FRAME_SETTINGS 0x04 |
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34 #define NGX_HTTP_V3_FRAME_PUSH_PROMISE 0x05 |
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35 #define NGX_HTTP_V3_FRAME_GOAWAY 0x07 |
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36 #define NGX_HTTP_V3_FRAME_MAX_PUSH_ID 0x0d |
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37 |
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38 #define NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY 0x01 |
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39 #define NGX_HTTP_V3_PARAM_MAX_HEADER_LIST_SIZE 0x06 |
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40 #define NGX_HTTP_V3_PARAM_BLOCKED_STREAMS 0x07 |
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42 #define NGX_HTTP_V3_STREAM_CLIENT_CONTROL 0 |
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43 #define NGX_HTTP_V3_STREAM_SERVER_CONTROL 1 |
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44 #define NGX_HTTP_V3_STREAM_CLIENT_ENCODER 2 |
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45 #define NGX_HTTP_V3_STREAM_SERVER_ENCODER 3 |
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46 #define NGX_HTTP_V3_STREAM_CLIENT_DECODER 4 |
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47 #define NGX_HTTP_V3_STREAM_SERVER_DECODER 5 |
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48 #define NGX_HTTP_V3_MAX_KNOWN_STREAM 6 |
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49 |
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50 #define NGX_HTTP_V3_DEFAULT_MAX_FIELD_SIZE 4096 |
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51 #define NGX_HTTP_V3_DEFAULT_MAX_TABLE_CAPACITY 16384 |
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52 #define NGX_HTTP_V3_DEFAULT_MAX_BLOCKED_STREAMS 16 |
8015 | 53 #define NGX_HTTP_V3_DEFAULT_MAX_CONCURRENT_PUSHES 10 |
7681 | 54 |
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55 /* HTTP/3 errors */ |
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56 #define NGX_HTTP_V3_ERR_NO_ERROR 0x100 |
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57 #define NGX_HTTP_V3_ERR_GENERAL_PROTOCOL_ERROR 0x101 |
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58 #define NGX_HTTP_V3_ERR_INTERNAL_ERROR 0x102 |
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59 #define NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR 0x103 |
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60 #define NGX_HTTP_V3_ERR_CLOSED_CRITICAL_STREAM 0x104 |
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61 #define NGX_HTTP_V3_ERR_FRAME_UNEXPECTED 0x105 |
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62 #define NGX_HTTP_V3_ERR_FRAME_ERROR 0x106 |
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63 #define NGX_HTTP_V3_ERR_EXCESSIVE_LOAD 0x107 |
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64 #define NGX_HTTP_V3_ERR_ID_ERROR 0x108 |
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65 #define NGX_HTTP_V3_ERR_SETTINGS_ERROR 0x109 |
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66 #define NGX_HTTP_V3_ERR_MISSING_SETTINGS 0x10a |
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67 #define NGX_HTTP_V3_ERR_REQUEST_REJECTED 0x10b |
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68 #define NGX_HTTP_V3_ERR_REQUEST_CANCELLED 0x10c |
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69 #define NGX_HTTP_V3_ERR_REQUEST_INCOMPLETE 0x10d |
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70 #define NGX_HTTP_V3_ERR_CONNECT_ERROR 0x10f |
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71 #define NGX_HTTP_V3_ERR_VERSION_FALLBACK 0x110 |
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72 |
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73 /* QPACK errors */ |
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74 #define NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED 0x200 |
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75 #define NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR 0x201 |
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76 #define NGX_HTTP_V3_ERR_DECODER_STREAM_ERROR 0x202 |
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77 |
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79 #define ngx_http_v3_get_module_srv_conf(c, module) \ |
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80 ngx_http_get_module_srv_conf( \ |
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81 ((ngx_http_v3_connection_t *) c->qs->parent->data)->hc.conf_ctx, \ |
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82 module) |
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83 |
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84 #define ngx_http_v3_finalize_connection(c, code, reason) \ |
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85 ngx_quic_finalize_connection(c->qs->parent, code, reason) |
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86 |
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87 |
7681 | 88 typedef struct { |
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89 ngx_quic_tp_t quic; |
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90 size_t max_field_size; |
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91 size_t max_table_capacity; |
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92 ngx_uint_t max_blocked_streams; |
8015 | 93 ngx_uint_t max_concurrent_pushes; |
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94 } ngx_http_v3_srv_conf_t; |
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95 |
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96 |
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97 typedef struct { |
8015 | 98 ngx_flag_t push_preload; |
99 ngx_flag_t push; | |
100 ngx_array_t *pushes; | |
101 } ngx_http_v3_loc_conf_t; | |
102 | |
103 | |
104 typedef struct { | |
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105 ngx_str_t name; |
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106 ngx_str_t value; |
7681 | 107 } ngx_http_v3_header_t; |
108 | |
109 | |
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110 typedef struct { |
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111 ngx_http_v3_header_t **elts; |
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112 ngx_uint_t nelts; |
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113 ngx_uint_t base; |
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114 size_t size; |
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115 size_t capacity; |
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116 } ngx_http_v3_dynamic_table_t; |
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117 |
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118 |
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119 typedef struct { |
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120 ngx_http_connection_t hc; |
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121 ngx_http_v3_dynamic_table_t table; |
8015 | 122 |
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123 ngx_queue_t blocked; |
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124 ngx_uint_t nblocked; |
8015 | 125 |
126 ngx_queue_t pushing; | |
127 ngx_uint_t npushing; | |
128 uint64_t next_push_id; | |
129 uint64_t max_push_id; | |
130 | |
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131 ngx_uint_t settings_sent; |
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132 /* unsigned settings_sent:1; */ |
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133 ngx_connection_t *known_streams[NGX_HTTP_V3_MAX_KNOWN_STREAM]; |
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134 } ngx_http_v3_connection_t; |
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135 |
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136 |
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137 ngx_int_t ngx_http_v3_init_connection(ngx_connection_t *c); |
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138 |
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139 ngx_int_t ngx_http_v3_parse_request(ngx_http_request_t *r, ngx_buf_t *b); |
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140 ngx_int_t ngx_http_v3_parse_header(ngx_http_request_t *r, ngx_buf_t *b, |
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141 ngx_uint_t allow_underscores); |
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142 ngx_int_t ngx_http_v3_parse_request_body(ngx_http_request_t *r, ngx_buf_t *b, |
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143 ngx_http_chunked_t *ctx); |
7681 | 144 ngx_chain_t *ngx_http_v3_create_header(ngx_http_request_t *r); |
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145 ngx_chain_t *ngx_http_v3_create_trailers(ngx_http_request_t *r); |
7681 | 146 |
147 uintptr_t ngx_http_v3_encode_varlen_int(u_char *p, uint64_t value); | |
148 uintptr_t ngx_http_v3_encode_prefix_int(u_char *p, uint64_t value, | |
149 ngx_uint_t prefix); | |
150 | |
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151 uintptr_t ngx_http_v3_encode_header_block_prefix(u_char *p, |
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152 ngx_uint_t insert_count, ngx_uint_t sign, ngx_uint_t delta_base); |
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153 uintptr_t ngx_http_v3_encode_header_ri(u_char *p, ngx_uint_t dynamic, |
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154 ngx_uint_t index); |
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155 uintptr_t ngx_http_v3_encode_header_lri(u_char *p, ngx_uint_t dynamic, |
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156 ngx_uint_t index, u_char *data, size_t len); |
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157 uintptr_t ngx_http_v3_encode_header_l(u_char *p, ngx_str_t *name, |
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158 ngx_str_t *value); |
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159 uintptr_t ngx_http_v3_encode_header_pbi(u_char *p, ngx_uint_t index); |
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160 uintptr_t ngx_http_v3_encode_header_lpbi(u_char *p, ngx_uint_t index, |
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161 u_char *data, size_t len); |
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162 |
8015 | 163 ngx_connection_t *ngx_http_v3_create_push_stream(ngx_connection_t *c, |
164 uint64_t push_id); | |
7681 | 165 ngx_int_t ngx_http_v3_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic, |
166 ngx_uint_t index, ngx_str_t *value); | |
167 ngx_int_t ngx_http_v3_insert(ngx_connection_t *c, ngx_str_t *name, | |
168 ngx_str_t *value); | |
169 ngx_int_t ngx_http_v3_set_capacity(ngx_connection_t *c, ngx_uint_t capacity); | |
170 ngx_int_t ngx_http_v3_duplicate(ngx_connection_t *c, ngx_uint_t index); | |
171 ngx_int_t ngx_http_v3_ack_header(ngx_connection_t *c, ngx_uint_t stream_id); | |
172 ngx_int_t ngx_http_v3_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id); | |
173 ngx_int_t ngx_http_v3_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc); | |
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174 ngx_int_t ngx_http_v3_lookup_static(ngx_connection_t *c, ngx_uint_t index, |
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175 ngx_str_t *name, ngx_str_t *value); |
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176 ngx_int_t ngx_http_v3_lookup(ngx_connection_t *c, ngx_uint_t index, |
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177 ngx_str_t *name, ngx_str_t *value); |
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178 ngx_int_t ngx_http_v3_decode_insert_count(ngx_connection_t *c, |
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179 ngx_uint_t *insert_count); |
7681 | 180 ngx_int_t ngx_http_v3_check_insert_count(ngx_connection_t *c, |
181 ngx_uint_t insert_count); | |
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182 ngx_int_t ngx_http_v3_set_param(ngx_connection_t *c, uint64_t id, |
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183 uint64_t value); |
8015 | 184 ngx_int_t ngx_http_v3_set_max_push_id(ngx_connection_t *c, |
185 uint64_t max_push_id); | |
186 ngx_int_t ngx_http_v3_cancel_push(ngx_connection_t *c, uint64_t push_id); | |
7681 | 187 |
188 ngx_int_t ngx_http_v3_client_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic, | |
189 ngx_uint_t index, ngx_str_t *value); | |
190 ngx_int_t ngx_http_v3_client_insert(ngx_connection_t *c, ngx_str_t *name, | |
191 ngx_str_t *value); | |
192 ngx_int_t ngx_http_v3_client_set_capacity(ngx_connection_t *c, | |
193 ngx_uint_t capacity); | |
194 ngx_int_t ngx_http_v3_client_duplicate(ngx_connection_t *c, ngx_uint_t index); | |
195 ngx_int_t ngx_http_v3_client_ack_header(ngx_connection_t *c, | |
196 ngx_uint_t stream_id); | |
197 ngx_int_t ngx_http_v3_client_cancel_stream(ngx_connection_t *c, | |
198 ngx_uint_t stream_id); | |
199 ngx_int_t ngx_http_v3_client_inc_insert_count(ngx_connection_t *c, | |
200 ngx_uint_t inc); | |
201 | |
202 | |
203 extern ngx_module_t ngx_http_v3_module; | |
204 | |
205 | |
206 #endif /* _NGX_HTTP_V3_H_INCLUDED_ */ |