Mercurial > hg > nginx-quic
annotate src/http/v3/ngx_http_v3_module.c @ 8554:4f922f611135 quic
HTTP/3: replaced macros with values.
| author | Roman Arutyunyan <arut@nginx.com> |
|---|---|
| date | Wed, 04 Aug 2021 17:35:11 +0300 |
| parents | 054f9be0aaf9 |
| children | 33226ac61076 |
| rev | line source |
|---|---|
| 7681 | 1 |
| 2 /* | |
| 3 * Copyright (C) Nginx, Inc. | |
| 4 * Copyright (C) Roman Arutyunyan | |
| 5 */ | |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 #include <ngx_http.h> | |
| 11 | |
| 12 | |
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13 static void *ngx_http_v3_create_srv_conf(ngx_conf_t *cf); |
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14 static char *ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, void *parent, |
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15 void *child); |
| 8015 | 16 static void *ngx_http_v3_create_loc_conf(ngx_conf_t *cf); |
| 17 static char *ngx_http_v3_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
| 18 void *child); | |
| 19 static char *ngx_http_v3_push(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
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20 |
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21 |
| 7681 | 22 static ngx_command_t ngx_http_v3_commands[] = { |
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23 |
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24 { ngx_string("http3_max_table_capacity"), |
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25 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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26 ngx_conf_set_size_slot, |
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27 NGX_HTTP_SRV_CONF_OFFSET, |
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28 offsetof(ngx_http_v3_srv_conf_t, max_table_capacity), |
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29 NULL }, |
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30 |
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31 { ngx_string("http3_max_blocked_streams"), |
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32 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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33 ngx_conf_set_num_slot, |
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34 NGX_HTTP_SRV_CONF_OFFSET, |
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35 offsetof(ngx_http_v3_srv_conf_t, max_blocked_streams), |
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36 NULL }, |
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37 |
| 8015 | 38 { ngx_string("http3_max_concurrent_pushes"), |
| 39 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, | |
| 40 ngx_conf_set_num_slot, | |
| 41 NGX_HTTP_SRV_CONF_OFFSET, | |
| 42 offsetof(ngx_http_v3_srv_conf_t, max_concurrent_pushes), | |
| 43 NULL }, | |
| 44 | |
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45 { ngx_string("http3_max_uni_streams"), |
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46 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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47 ngx_conf_set_num_slot, |
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48 NGX_HTTP_SRV_CONF_OFFSET, |
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49 offsetof(ngx_http_v3_srv_conf_t, max_uni_streams), |
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50 NULL }, |
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51 |
| 8015 | 52 { ngx_string("http3_push"), |
| 53 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 54 ngx_http_v3_push, | |
| 55 NGX_HTTP_LOC_CONF_OFFSET, | |
| 56 0, | |
| 57 NULL }, | |
| 58 | |
| 59 { ngx_string("http3_push_preload"), | |
| 60 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 61 ngx_conf_set_flag_slot, | |
| 62 NGX_HTTP_LOC_CONF_OFFSET, | |
| 63 offsetof(ngx_http_v3_loc_conf_t, push_preload), | |
| 64 NULL }, | |
| 65 | |
| 7681 | 66 ngx_null_command |
| 67 }; | |
| 68 | |
| 69 | |
| 70 static ngx_http_module_t ngx_http_v3_module_ctx = { | |
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71 NULL, /* preconfiguration */ |
| 7681 | 72 NULL, /* postconfiguration */ |
| 73 | |
| 74 NULL, /* create main configuration */ | |
| 75 NULL, /* init main configuration */ | |
| 76 | |
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77 ngx_http_v3_create_srv_conf, /* create server configuration */ |
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78 ngx_http_v3_merge_srv_conf, /* merge server configuration */ |
| 7681 | 79 |
| 8015 | 80 ngx_http_v3_create_loc_conf, /* create location configuration */ |
| 81 ngx_http_v3_merge_loc_conf /* merge location configuration */ | |
| 7681 | 82 }; |
| 83 | |
| 84 | |
| 85 ngx_module_t ngx_http_v3_module = { | |
| 86 NGX_MODULE_V1, | |
| 87 &ngx_http_v3_module_ctx, /* module context */ | |
| 88 ngx_http_v3_commands, /* module directives */ | |
| 89 NGX_HTTP_MODULE, /* module type */ | |
| 90 NULL, /* init master */ | |
| 91 NULL, /* init module */ | |
| 92 NULL, /* init process */ | |
| 93 NULL, /* init thread */ | |
| 94 NULL, /* exit thread */ | |
| 95 NULL, /* exit process */ | |
| 96 NULL, /* exit master */ | |
| 97 NGX_MODULE_V1_PADDING | |
| 98 }; | |
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99 |
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100 |
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101 static void * |
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102 ngx_http_v3_create_srv_conf(ngx_conf_t *cf) |
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103 { |
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104 ngx_http_v3_srv_conf_t *h3scf; |
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105 |
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106 h3scf = ngx_pcalloc(cf->pool, sizeof(ngx_http_v3_srv_conf_t)); |
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107 if (h3scf == NULL) { |
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108 return NULL; |
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109 } |
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110 |
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111 h3scf->max_table_capacity = NGX_CONF_UNSET_SIZE; |
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112 h3scf->max_blocked_streams = NGX_CONF_UNSET_UINT; |
| 8015 | 113 h3scf->max_concurrent_pushes = NGX_CONF_UNSET_UINT; |
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114 h3scf->max_uni_streams = NGX_CONF_UNSET_UINT; |
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115 |
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116 return h3scf; |
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117 } |
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118 |
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119 |
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120 static char * |
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121 ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
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122 { |
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123 ngx_http_v3_srv_conf_t *prev = parent; |
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124 ngx_http_v3_srv_conf_t *conf = child; |
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125 |
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126 ngx_conf_merge_size_value(conf->max_table_capacity, |
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127 prev->max_table_capacity, 16384); |
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128 |
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129 ngx_conf_merge_uint_value(conf->max_blocked_streams, |
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130 prev->max_blocked_streams, 16); |
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131 |
| 8015 | 132 ngx_conf_merge_uint_value(conf->max_concurrent_pushes, |
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133 prev->max_concurrent_pushes, 10); |
| 8015 | 134 |
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135 ngx_conf_merge_uint_value(conf->max_uni_streams, |
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136 prev->max_uni_streams, 3); |
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137 |
| 8015 | 138 return NGX_CONF_OK; |
| 139 } | |
| 140 | |
| 141 | |
| 142 static void * | |
| 143 ngx_http_v3_create_loc_conf(ngx_conf_t *cf) | |
| 144 { | |
| 145 ngx_http_v3_loc_conf_t *h3lcf; | |
| 146 | |
| 147 h3lcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_v3_loc_conf_t)); | |
| 148 if (h3lcf == NULL) { | |
| 149 return NULL; | |
| 150 } | |
| 151 | |
| 152 /* | |
| 153 * set by ngx_pcalloc(): | |
| 154 * | |
| 155 * h3lcf->pushes = NULL; | |
| 156 */ | |
| 157 | |
| 158 h3lcf->push_preload = NGX_CONF_UNSET; | |
| 159 h3lcf->push = NGX_CONF_UNSET; | |
| 160 | |
| 161 return h3lcf; | |
| 162 } | |
| 163 | |
| 164 | |
| 165 static char * | |
| 166 ngx_http_v3_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 167 { | |
| 168 ngx_http_v3_loc_conf_t *prev = parent; | |
| 169 ngx_http_v3_loc_conf_t *conf = child; | |
| 170 | |
| 171 ngx_conf_merge_value(conf->push, prev->push, 1); | |
| 172 | |
| 173 if (conf->push && conf->pushes == NULL) { | |
| 174 conf->pushes = prev->pushes; | |
| 175 } | |
| 176 | |
| 177 ngx_conf_merge_value(conf->push_preload, prev->push_preload, 0); | |
| 178 | |
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179 return NGX_CONF_OK; |
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180 } |
| 8015 | 181 |
| 182 | |
| 183 static char * | |
| 184 ngx_http_v3_push(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 185 { | |
| 186 ngx_http_v3_loc_conf_t *h3lcf = conf; | |
| 187 | |
| 188 ngx_str_t *value; | |
| 189 ngx_http_complex_value_t *cv; | |
| 190 ngx_http_compile_complex_value_t ccv; | |
| 191 | |
| 192 value = cf->args->elts; | |
| 193 | |
| 194 if (ngx_strcmp(value[1].data, "off") == 0) { | |
| 195 | |
| 196 if (h3lcf->pushes) { | |
| 197 return "\"off\" parameter cannot be used with URI"; | |
| 198 } | |
| 199 | |
| 200 if (h3lcf->push == 0) { | |
| 201 return "is duplicate"; | |
| 202 } | |
| 203 | |
| 204 h3lcf->push = 0; | |
| 205 return NGX_CONF_OK; | |
| 206 } | |
| 207 | |
| 208 if (h3lcf->push == 0) { | |
| 209 return "URI cannot be used with \"off\" parameter"; | |
| 210 } | |
| 211 | |
| 212 h3lcf->push = 1; | |
| 213 | |
| 214 if (h3lcf->pushes == NULL) { | |
| 215 h3lcf->pushes = ngx_array_create(cf->pool, 1, | |
| 216 sizeof(ngx_http_complex_value_t)); | |
| 217 if (h3lcf->pushes == NULL) { | |
| 218 return NGX_CONF_ERROR; | |
| 219 } | |
| 220 } | |
| 221 | |
| 222 cv = ngx_array_push(h3lcf->pushes); | |
| 223 if (cv == NULL) { | |
| 224 return NGX_CONF_ERROR; | |
| 225 } | |
| 226 | |
| 227 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); | |
| 228 | |
| 229 ccv.cf = cf; | |
| 230 ccv.value = &value[1]; | |
| 231 ccv.complex_value = cv; | |
| 232 | |
| 233 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { | |
| 234 return NGX_CONF_ERROR; | |
| 235 } | |
| 236 | |
| 237 return NGX_CONF_OK; | |
| 238 } |