Mercurial > hg > nginx
annotate src/http/ngx_http_upstream.c @ 2308:3f98400e31e9
memcached response was stored in variable with END
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Wed, 12 Nov 2008 21:01:01 +0000 |
| parents | c77f4710595c |
| children | 64854406b1f9 |
| rev | line source |
|---|---|
| 479 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 10 | |
| 11 | |
| 1658 | 12 static void ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx); |
| 509 | 13 static void ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r); |
| 14 static void ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r); | |
| 15 static void ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
| 16 ngx_event_t *ev); | |
| 479 | 17 static void ngx_http_upstream_connect(ngx_http_request_t *r, |
| 487 | 18 ngx_http_upstream_t *u); |
| 509 | 19 static ngx_int_t ngx_http_upstream_reinit(ngx_http_request_t *r, |
| 487 | 20 ngx_http_upstream_t *u); |
| 479 | 21 static void ngx_http_upstream_send_request(ngx_http_request_t *r, |
| 487 | 22 ngx_http_upstream_t *u); |
| 479 | 23 static void ngx_http_upstream_send_request_handler(ngx_event_t *wev); |
| 24 static void ngx_http_upstream_process_header(ngx_event_t *rev); | |
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25 static ngx_int_t ngx_http_upstream_test_next(ngx_http_request_t *r, |
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26 ngx_http_upstream_t *u); |
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27 static ngx_int_t ngx_http_upstream_intercept_errors(ngx_http_request_t *r, |
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28 ngx_http_upstream_t *u); |
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29 static ngx_int_t ngx_http_upstream_test_connect(ngx_connection_t *c); |
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30 static void ngx_http_upstream_process_body_in_memory(ngx_event_t *rev); |
| 479 | 31 static void ngx_http_upstream_send_response(ngx_http_request_t *r, |
| 487 | 32 ngx_http_upstream_t *u); |
| 581 | 33 static void |
| 34 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r); | |
| 35 static void ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev); | |
| 36 static ngx_int_t ngx_http_upstream_non_buffered_filter_init(void *data); | |
| 37 static ngx_int_t ngx_http_upstream_non_buffered_filter(void *data, | |
| 38 ssize_t bytes); | |
| 509 | 39 static void ngx_http_upstream_process_downstream(ngx_http_request_t *r); |
| 479 | 40 static void ngx_http_upstream_process_body(ngx_event_t *ev); |
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41 static void ngx_http_upstream_store(ngx_http_request_t *r, |
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42 ngx_http_upstream_t *u); |
| 479 | 43 static void ngx_http_upstream_dummy_handler(ngx_event_t *wev); |
| 44 static void ngx_http_upstream_next(ngx_http_request_t *r, | |
| 487 | 45 ngx_http_upstream_t *u, ngx_uint_t ft_type); |
| 569 | 46 static void ngx_http_upstream_cleanup(void *data); |
| 479 | 47 static void ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
| 487 | 48 ngx_http_upstream_t *u, ngx_int_t rc); |
| 479 | 49 |
| 509 | 50 static ngx_int_t ngx_http_upstream_process_header_line(ngx_http_request_t *r, |
| 51 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 52 static ngx_int_t | |
| 53 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
| 54 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 55 static ngx_int_t ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, | |
| 56 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 527 | 57 static ngx_int_t ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, |
| 58 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 649 | 59 static ngx_int_t ngx_http_upstream_process_buffering(ngx_http_request_t *r, |
| 509 | 60 ngx_table_elt_t *h, ngx_uint_t offset); |
| 657 | 61 static ngx_int_t ngx_http_upstream_process_charset(ngx_http_request_t *r, |
| 62 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 649 | 63 static ngx_int_t ngx_http_upstream_copy_header_line(ngx_http_request_t *r, |
| 509 | 64 ngx_table_elt_t *h, ngx_uint_t offset); |
| 65 static ngx_int_t | |
| 66 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
| 67 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 68 static ngx_int_t ngx_http_upstream_copy_content_type(ngx_http_request_t *r, | |
| 69 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 70 static ngx_int_t ngx_http_upstream_copy_content_length(ngx_http_request_t *r, | |
| 71 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 72 static ngx_int_t ngx_http_upstream_rewrite_location(ngx_http_request_t *r, | |
| 73 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 74 static ngx_int_t ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, | |
| 75 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 76 #if (NGX_HTTP_GZIP) | |
| 77 static ngx_int_t ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
| 78 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 79 #endif | |
| 80 | |
| 573 | 81 static ngx_int_t ngx_http_upstream_add_variables(ngx_conf_t *cf); |
| 1181 | 82 static ngx_int_t ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
| 83 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 84 static ngx_int_t ngx_http_upstream_status_variable(ngx_http_request_t *r, |
| 85 ngx_http_variable_value_t *v, uintptr_t data); | |
| 86 static ngx_int_t ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
| 87 ngx_http_variable_value_t *v, uintptr_t data); | |
| 88 | |
| 651 | 89 static char *ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy); |
| 90 static char *ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 91 void *conf); | |
| 92 | |
| 509 | 93 static void *ngx_http_upstream_create_main_conf(ngx_conf_t *cf); |
| 651 | 94 static char *ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf); |
| 509 | 95 |
| 577 | 96 #if (NGX_HTTP_SSL) |
| 591 | 97 static void ngx_http_upstream_ssl_init_connection(ngx_http_request_t *, |
| 98 ngx_http_upstream_t *u, ngx_connection_t *c); | |
| 577 | 99 static void ngx_http_upstream_ssl_handshake(ngx_connection_t *c); |
| 100 #endif | |
| 101 | |
| 509 | 102 |
| 103 ngx_http_upstream_header_t ngx_http_upstream_headers_in[] = { | |
| 104 | |
| 105 { ngx_string("Status"), | |
| 106 ngx_http_upstream_process_header_line, | |
| 107 offsetof(ngx_http_upstream_headers_in_t, status), | |
| 649 | 108 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 509 | 109 |
| 110 { ngx_string("Content-Type"), | |
| 111 ngx_http_upstream_process_header_line, | |
| 112 offsetof(ngx_http_upstream_headers_in_t, content_type), | |
| 673 | 113 ngx_http_upstream_copy_content_type, 0, 1 }, |
| 509 | 114 |
| 115 { ngx_string("Content-Length"), | |
| 116 ngx_http_upstream_process_header_line, | |
| 117 offsetof(ngx_http_upstream_headers_in_t, content_length), | |
| 515 | 118 ngx_http_upstream_copy_content_length, 0, 0 }, |
| 509 | 119 |
| 120 { ngx_string("Date"), | |
| 121 ngx_http_upstream_process_header_line, | |
| 122 offsetof(ngx_http_upstream_headers_in_t, date), | |
| 649 | 123 ngx_http_upstream_copy_header_line, |
| 124 offsetof(ngx_http_headers_out_t, date), 0 }, | |
| 509 | 125 |
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126 { ngx_string("Last-Modified"), |
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127 ngx_http_upstream_process_header_line, |
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128 offsetof(ngx_http_upstream_headers_in_t, last_modified), |
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129 ngx_http_upstream_copy_header_line, |
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130 offsetof(ngx_http_headers_out_t, last_modified), 0 }, |
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131 |
| 509 | 132 { ngx_string("Server"), |
| 133 ngx_http_upstream_process_header_line, | |
| 134 offsetof(ngx_http_upstream_headers_in_t, server), | |
| 649 | 135 ngx_http_upstream_copy_header_line, |
| 136 offsetof(ngx_http_headers_out_t, server), 0 }, | |
| 509 | 137 |
| 529 | 138 { ngx_string("WWW-Authenticate"), |
| 139 ngx_http_upstream_process_header_line, | |
| 140 offsetof(ngx_http_upstream_headers_in_t, www_authenticate), | |
| 141 ngx_http_upstream_copy_header_line, 0, 0 }, | |
| 142 | |
| 509 | 143 { ngx_string("Location"), |
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144 ngx_http_upstream_process_header_line, |
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145 offsetof(ngx_http_upstream_headers_in_t, location), |
| 515 | 146 ngx_http_upstream_rewrite_location, 0, 0 }, |
| 509 | 147 |
| 148 { ngx_string("Refresh"), | |
| 149 ngx_http_upstream_ignore_header_line, 0, | |
| 515 | 150 ngx_http_upstream_rewrite_refresh, 0, 0 }, |
| 151 | |
| 152 { ngx_string("Set-Cookie"), | |
| 153 ngx_http_upstream_ignore_header_line, 0, | |
| 531 | 154 ngx_http_upstream_copy_header_line, 0, 1 }, |
| 155 | |
| 156 { ngx_string("Content-Disposition"), | |
| 157 ngx_http_upstream_ignore_header_line, 0, | |
| 158 ngx_http_upstream_copy_header_line, 0, 1 }, | |
| 509 | 159 |
| 160 { ngx_string("Cache-Control"), | |
| 161 ngx_http_upstream_process_multi_header_lines, | |
| 162 offsetof(ngx_http_upstream_headers_in_t, cache_control), | |
| 163 ngx_http_upstream_copy_multi_header_lines, | |
| 515 | 164 offsetof(ngx_http_headers_out_t, cache_control), 1 }, |
| 509 | 165 |
| 573 | 166 { ngx_string("Expires"), |
| 167 ngx_http_upstream_process_header_line, | |
| 168 offsetof(ngx_http_upstream_headers_in_t, expires), | |
| 169 ngx_http_upstream_copy_header_line, | |
| 170 offsetof(ngx_http_headers_out_t, expires), 1 }, | |
| 171 | |
| 577 | 172 { ngx_string("Accept-Ranges"), |
| 173 ngx_http_upstream_process_header_line, | |
| 174 offsetof(ngx_http_upstream_headers_in_t, accept_ranges), | |
| 175 ngx_http_upstream_copy_header_line, | |
| 176 offsetof(ngx_http_headers_out_t, accept_ranges), 1 }, | |
| 177 | |
| 509 | 178 { ngx_string("Connection"), |
| 179 ngx_http_upstream_ignore_header_line, 0, | |
| 515 | 180 ngx_http_upstream_ignore_header_line, 0, 0 }, |
| 509 | 181 |
| 641 | 182 { ngx_string("Keep-Alive"), |
| 183 ngx_http_upstream_ignore_header_line, 0, | |
| 184 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 185 | |
| 509 | 186 { ngx_string("X-Powered-By"), |
| 187 ngx_http_upstream_ignore_header_line, 0, | |
| 649 | 188 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 509 | 189 |
| 190 { ngx_string("X-Accel-Expires"), | |
| 191 ngx_http_upstream_process_header_line, | |
| 192 offsetof(ngx_http_upstream_headers_in_t, x_accel_expires), | |
| 649 | 193 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 515 | 194 |
| 195 { ngx_string("X-Accel-Redirect"), | |
| 196 ngx_http_upstream_process_header_line, | |
| 197 offsetof(ngx_http_upstream_headers_in_t, x_accel_redirect), | |
| 198 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 509 | 199 |
| 527 | 200 { ngx_string("X-Accel-Limit-Rate"), |
| 201 ngx_http_upstream_process_limit_rate, 0, | |
| 202 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 203 | |
| 649 | 204 { ngx_string("X-Accel-Buffering"), |
| 205 ngx_http_upstream_process_buffering, 0, | |
| 206 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 207 | |
| 657 | 208 { ngx_string("X-Accel-Charset"), |
| 209 ngx_http_upstream_process_charset, 0, | |
| 210 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 211 | |
| 509 | 212 #if (NGX_HTTP_GZIP) |
| 213 { ngx_string("Content-Encoding"), | |
| 214 ngx_http_upstream_process_header_line, | |
| 215 offsetof(ngx_http_upstream_headers_in_t, content_encoding), | |
| 515 | 216 ngx_http_upstream_copy_content_encoding, 0, 0 }, |
| 509 | 217 #endif |
| 218 | |
| 515 | 219 { ngx_null_string, NULL, 0, NULL, 0, 0 } |
| 509 | 220 }; |
| 479 | 221 |
| 222 | |
| 651 | 223 static ngx_command_t ngx_http_upstream_commands[] = { |
| 224 | |
| 225 { ngx_string("upstream"), | |
| 226 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1, | |
| 227 ngx_http_upstream, | |
| 228 0, | |
| 229 0, | |
| 230 NULL }, | |
| 231 | |
| 232 { ngx_string("server"), | |
| 884 | 233 NGX_HTTP_UPS_CONF|NGX_CONF_1MORE, |
| 651 | 234 ngx_http_upstream_server, |
| 235 NGX_HTTP_SRV_CONF_OFFSET, | |
| 236 0, | |
| 237 NULL }, | |
| 238 | |
| 239 ngx_null_command | |
| 240 }; | |
| 241 | |
| 242 | |
| 243 static ngx_http_module_t ngx_http_upstream_module_ctx = { | |
| 573 | 244 ngx_http_upstream_add_variables, /* preconfiguration */ |
| 509 | 245 NULL, /* postconfiguration */ |
| 246 | |
| 247 ngx_http_upstream_create_main_conf, /* create main configuration */ | |
| 651 | 248 ngx_http_upstream_init_main_conf, /* init main configuration */ |
| 479 | 249 |
| 250 NULL, /* create server configuration */ | |
| 251 NULL, /* merge server configuration */ | |
| 252 | |
| 253 NULL, /* create location configuration */ | |
| 254 NULL /* merge location configuration */ | |
| 255 }; | |
| 577 | 256 |
| 479 | 257 |
| 258 ngx_module_t ngx_http_upstream_module = { | |
| 509 | 259 NGX_MODULE_V1, |
| 479 | 260 &ngx_http_upstream_module_ctx, /* module context */ |
| 651 | 261 ngx_http_upstream_commands, /* module directives */ |
| 479 | 262 NGX_HTTP_MODULE, /* module type */ |
| 541 | 263 NULL, /* init master */ |
| 479 | 264 NULL, /* init module */ |
| 541 | 265 NULL, /* init process */ |
| 266 NULL, /* init thread */ | |
| 267 NULL, /* exit thread */ | |
| 268 NULL, /* exit process */ | |
| 269 NULL, /* exit master */ | |
| 270 NGX_MODULE_V1_PADDING | |
| 479 | 271 }; |
| 272 | |
| 273 | |
| 573 | 274 static ngx_http_variable_t ngx_http_upstream_vars[] = { |
| 275 | |
| 1181 | 276 { ngx_string("upstream_addr"), NULL, |
| 277 ngx_http_upstream_addr_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, | |
| 278 | |
| 637 | 279 { ngx_string("upstream_status"), NULL, |
| 583 | 280 ngx_http_upstream_status_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 573 | 281 |
| 637 | 282 { ngx_string("upstream_response_time"), NULL, |
| 583 | 283 ngx_http_upstream_response_time_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 573 | 284 |
| 637 | 285 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 573 | 286 }; |
| 287 | |
| 288 | |
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289 static ngx_http_upstream_next_t ngx_http_upstream_next_errors[] = { |
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290 { 500, NGX_HTTP_UPSTREAM_FT_HTTP_500 }, |
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291 { 502, NGX_HTTP_UPSTREAM_FT_HTTP_502 }, |
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292 { 503, NGX_HTTP_UPSTREAM_FT_HTTP_503 }, |
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293 { 504, NGX_HTTP_UPSTREAM_FT_HTTP_504 }, |
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294 { 404, NGX_HTTP_UPSTREAM_FT_HTTP_404 }, |
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295 { 0, 0 } |
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296 }; |
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297 |
| 487 | 298 void |
| 299 ngx_http_upstream_init(ngx_http_request_t *r) | |
| 479 | 300 { |
| 1658 | 301 ngx_str_t *host; |
| 302 ngx_uint_t i; | |
| 303 ngx_connection_t *c; | |
| 304 ngx_resolver_ctx_t *ctx, temp; | |
| 305 ngx_http_cleanup_t *cln; | |
| 306 ngx_http_upstream_t *u; | |
| 307 ngx_http_core_loc_conf_t *clcf; | |
| 308 ngx_http_upstream_srv_conf_t *uscf, **uscfp; | |
| 309 ngx_http_upstream_main_conf_t *umcf; | |
| 479 | 310 |
| 311 c = r->connection; | |
| 312 | |
| 313 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 314 "http init upstream, client timer: %d", c->read->timer_set); | |
| 315 | |
| 316 if (c->read->timer_set) { | |
| 317 ngx_del_timer(c->read); | |
| 318 } | |
| 319 | |
| 629 | 320 u = r->upstream; |
| 321 | |
| 322 if (!r->post_action && !u->conf->ignore_client_abort) { | |
| 615 | 323 r->read_event_handler = ngx_http_upstream_rd_check_broken_connection; |
| 324 r->write_event_handler = ngx_http_upstream_wr_check_broken_connection; | |
| 325 } | |
| 577 | 326 |
| 479 | 327 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { |
| 328 | |
| 329 if (!c->write->active) { | |
| 531 | 330 if (ngx_add_event(c->write, NGX_WRITE_EVENT, NGX_CLEAR_EVENT) |
| 331 == NGX_ERROR) | |
| 479 | 332 { |
| 333 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 334 return; | |
| 335 } | |
| 336 } | |
| 337 } | |
| 338 | |
| 537 | 339 if (r->request_body) { |
| 340 u->request_bufs = r->request_body->bufs; | |
| 341 } | |
| 509 | 342 |
| 537 | 343 if (u->create_request(r) != NGX_OK) { |
| 479 | 344 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 345 return; | |
| 346 } | |
| 347 | |
| 509 | 348 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| 479 | 349 |
| 350 u->output.pool = r->pool; | |
| 351 u->output.bufs.num = 1; | |
| 509 | 352 u->output.bufs.size = clcf->client_body_buffer_size; |
| 479 | 353 u->output.output_filter = ngx_chain_writer; |
| 354 u->output.filter_ctx = &u->writer; | |
| 355 | |
| 356 u->writer.pool = r->pool; | |
| 357 | |
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358 if (r->upstream_states == NULL) { |
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359 |
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360 r->upstream_states = ngx_array_create(r->pool, 1, |
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361 sizeof(ngx_http_upstream_state_t)); |
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362 if (r->upstream_states == NULL) { |
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363 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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364 return; |
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365 } |
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366 |
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367 } else { |
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368 |
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369 u->state = ngx_array_push(r->upstream_states); |
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370 if (u->state == NULL) { |
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371 ngx_http_upstream_finalize_request(r, u, |
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372 NGX_HTTP_INTERNAL_SERVER_ERROR); |
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373 return; |
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374 } |
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375 |
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376 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); |
| 479 | 377 } |
| 378 | |
| 593 | 379 cln = ngx_http_cleanup_add(r, 0); |
| 569 | 380 if (cln == NULL) { |
| 381 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 382 return; | |
| 383 } | |
| 384 | |
| 385 cln->handler = ngx_http_upstream_cleanup; | |
| 386 cln->data = r; | |
| 387 u->cleanup = &cln->handler; | |
| 388 | |
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389 u->store = (u->conf->store || u->conf->store_lengths); |
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390 |
| 1658 | 391 if (u->resolved == NULL) { |
| 392 | |
| 393 uscf = u->conf->upstream; | |
| 394 | |
| 395 } else { | |
| 396 | |
| 1705 | 397 host = &u->resolved->host; |
| 1658 | 398 |
| 399 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
| 400 | |
| 401 uscfp = umcf->upstreams.elts; | |
| 402 | |
| 403 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 404 | |
| 405 uscf = uscfp[i]; | |
| 406 | |
| 407 if (uscf->host.len == host->len | |
| 2285 | 408 && ((uscf->port == 0 && u->resolved->no_port) |
| 1912 | 409 || uscf->port == u->resolved->port) |
| 1658 | 410 && ngx_memcmp(uscf->host.data, host->data, host->len) == 0) |
| 411 { | |
| 412 goto found; | |
| 413 } | |
| 414 } | |
| 415 | |
| 416 temp.name = *host; | |
| 417 | |
| 418 ctx = ngx_resolve_start(clcf->resolver, &temp); | |
| 419 if (ctx == NULL) { | |
| 420 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 421 return; | |
| 422 } | |
| 423 | |
|
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424 if (ctx == NGX_NO_RESOLVER) { |
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425 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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426 "no resolver defined to resolve %V", host); |
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427 |
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428 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); |
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429 return; |
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430 } |
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431 |
| 1658 | 432 ctx->name = *host; |
| 433 ctx->type = NGX_RESOLVE_A; | |
| 434 ctx->handler = ngx_http_upstream_resolve_handler; | |
| 435 ctx->data = r; | |
| 436 ctx->timeout = clcf->resolver_timeout; | |
| 437 | |
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438 u->resolved->ctx = ctx; |
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439 |
| 1658 | 440 if (ngx_resolve_name(ctx) != NGX_OK) { |
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441 u->resolved->ctx = NULL; |
| 1658 | 442 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 443 return; | |
| 444 } | |
| 445 | |
| 446 return; | |
| 447 } | |
| 448 | |
| 449 found: | |
| 450 | |
| 451 if (uscf->peer.init(r, uscf) != NGX_OK) { | |
| 452 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 453 return; | |
| 454 } | |
| 455 | |
| 479 | 456 ngx_http_upstream_connect(r, u); |
| 457 } | |
| 458 | |
| 459 | |
| 487 | 460 static void |
| 1658 | 461 ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx) |
| 462 { | |
| 463 ngx_http_request_t *r; | |
| 464 ngx_http_upstream_resolved_t *ur; | |
| 465 | |
| 466 r = ctx->data; | |
| 467 | |
| 468 r->upstream->resolved->ctx = NULL; | |
| 469 | |
| 470 if (ctx->state) { | |
| 471 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 472 "%V could not be resolved (%i: %s)", | |
| 473 &ctx->name, ctx->state, | |
| 474 ngx_resolver_strerror(ctx->state)); | |
| 475 | |
| 476 ngx_resolve_name_done(ctx); | |
| 477 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); | |
| 478 return; | |
| 479 } | |
| 480 | |
| 481 ur = r->upstream->resolved; | |
| 482 ur->naddrs = ctx->naddrs; | |
| 483 ur->addrs = ctx->addrs; | |
| 484 | |
| 485 #if (NGX_DEBUG) | |
| 486 { | |
| 487 in_addr_t addr; | |
| 488 ngx_uint_t i; | |
| 489 | |
| 490 for (i = 0; i < ctx->naddrs; i++) { | |
| 491 addr = ntohl(ur->addrs[i]); | |
| 492 | |
| 493 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 494 "name was resolved to %ud.%ud.%ud.%ud", | |
| 495 (addr >> 24) & 0xff, (addr >> 16) & 0xff, | |
| 496 (addr >> 8) & 0xff, addr & 0xff); | |
| 497 } | |
| 498 } | |
| 499 #endif | |
| 500 | |
| 501 if (ngx_http_upstream_create_round_robin_peer(r, ur) != NGX_OK) { | |
| 502 ngx_resolve_name_done(ctx); | |
| 503 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 504 return; | |
| 505 } | |
| 506 | |
| 507 ngx_resolve_name_done(ctx); | |
| 508 | |
| 509 ngx_http_upstream_connect(r, r->upstream); | |
| 510 } | |
| 511 | |
| 512 | |
| 513 static void | |
| 509 | 514 ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r) |
| 515 { | |
| 516 ngx_http_upstream_check_broken_connection(r, r->connection->read); | |
| 517 } | |
| 518 | |
| 519 | |
| 520 static void | |
| 521 ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r) | |
| 522 { | |
| 523 ngx_http_upstream_check_broken_connection(r, r->connection->write); | |
| 524 } | |
| 525 | |
| 526 | |
| 527 static void | |
| 528 ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
| 529 ngx_event_t *ev) | |
| 479 | 530 { |
| 531 int n; | |
| 532 char buf[1]; | |
| 577 | 533 ngx_err_t err; |
| 479 | 534 ngx_connection_t *c; |
| 535 ngx_http_upstream_t *u; | |
| 536 | |
| 527 | 537 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
| 538 "http upstream check client, write event:%d, \"%V\"", | |
| 539 ev->write, &r->uri); | |
| 479 | 540 |
| 509 | 541 c = r->connection; |
| 483 | 542 u = r->upstream; |
| 543 | |
| 583 | 544 if (c->error) { |
| 527 | 545 ngx_http_upstream_finalize_request(r, u, |
| 546 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 547 return; | |
| 548 } | |
| 549 | |
| 483 | 550 if (u->peer.connection == NULL) { |
| 551 return; | |
| 552 } | |
| 553 | |
| 479 | 554 #if (NGX_HAVE_KQUEUE) |
| 555 | |
| 556 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
| 557 | |
| 558 if (!ev->pending_eof) { | |
| 559 return; | |
| 560 } | |
| 561 | |
| 562 ev->eof = 1; | |
| 583 | 563 c->error = 1; |
| 479 | 564 |
| 565 if (ev->kq_errno) { | |
| 566 ev->error = 1; | |
| 567 } | |
| 568 | |
| 1565 | 569 if (!u->cacheable && !u->store && u->peer.connection) { |
| 479 | 570 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, |
| 527 | 571 "kevent() reported that client closed prematurely " |
| 572 "connection, so upstream connection is closed too"); | |
| 479 | 573 ngx_http_upstream_finalize_request(r, u, |
| 574 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 575 return; | |
| 576 } | |
| 577 | |
| 578 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, | |
| 579 "kevent() reported that client closed " | |
| 580 "prematurely connection"); | |
| 581 | |
| 582 if (u->peer.connection == NULL) { | |
| 583 ngx_http_upstream_finalize_request(r, u, | |
| 584 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 585 return; | |
| 586 } | |
| 587 | |
| 588 return; | |
| 589 } | |
| 590 | |
| 591 #endif | |
| 592 | |
| 593 n = recv(c->fd, buf, 1, MSG_PEEK); | |
| 594 | |
| 595 err = ngx_socket_errno; | |
| 596 | |
| 1109 | 597 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, err, |
| 598 "http upstream recv(): %d", n); | |
| 599 | |
| 479 | 600 /* |
| 601 * we do not need to disable the write event because | |
| 602 * that event has NGX_USE_CLEAR_EVENT type | |
| 603 */ | |
| 604 | |
| 605 if (ev->write && (n >= 0 || err == NGX_EAGAIN)) { | |
| 606 return; | |
| 607 } | |
| 608 | |
| 609 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { | |
| 610 if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { | |
| 611 ngx_http_upstream_finalize_request(r, u, | |
| 612 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 613 return; | |
| 614 } | |
| 615 } | |
| 616 | |
| 617 if (n > 0) { | |
| 618 return; | |
| 619 } | |
| 620 | |
| 621 if (n == -1) { | |
| 622 if (err == NGX_EAGAIN) { | |
| 623 return; | |
| 624 } | |
| 625 | |
| 626 ev->error = 1; | |
| 627 | |
| 483 | 628 } else { /* n == 0 */ |
| 479 | 629 err = 0; |
| 630 } | |
| 631 | |
| 529 | 632 ev->eof = 1; |
| 583 | 633 c->error = 1; |
| 529 | 634 |
| 1565 | 635 if (!u->cacheable && !u->store && u->peer.connection) { |
| 479 | 636 ngx_log_error(NGX_LOG_INFO, ev->log, err, |
| 637 "client closed prematurely connection, " | |
| 638 "so upstream connection is closed too"); | |
| 639 ngx_http_upstream_finalize_request(r, u, | |
| 640 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 641 return; | |
| 642 } | |
| 643 | |
| 644 ngx_log_error(NGX_LOG_INFO, ev->log, err, | |
| 645 "client closed prematurely connection"); | |
| 646 | |
| 647 if (u->peer.connection == NULL) { | |
| 648 ngx_http_upstream_finalize_request(r, u, | |
| 649 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 650 return; | |
| 651 } | |
| 652 } | |
| 653 | |
| 654 | |
| 487 | 655 static void |
| 656 ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 479 | 657 { |
| 591 | 658 ngx_int_t rc; |
| 665 | 659 ngx_time_t *tp; |
| 591 | 660 ngx_connection_t *c; |
| 479 | 661 |
| 483 | 662 r->connection->log->action = "connecting to upstream"; |
| 479 | 663 |
| 664 r->connection->single_connection = 0; | |
| 665 | |
|
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666 if (u->state && u->state->response_sec) { |
| 665 | 667 tp = ngx_timeofday(); |
|
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668 u->state->response_sec = tp->sec - u->state->response_sec; |
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669 u->state->response_msec = tp->msec - u->state->response_msec; |
| 665 | 670 } |
| 671 | |
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672 u->state = ngx_array_push(r->upstream_states); |
| 665 | 673 if (u->state == NULL) { |
| 674 ngx_http_upstream_finalize_request(r, u, | |
| 675 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 676 return; | |
| 677 } | |
| 678 | |
| 679 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); | |
| 680 | |
| 681 tp = ngx_timeofday(); | |
|
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682 u->state->response_sec = tp->sec; |
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683 u->state->response_msec = tp->msec; |
| 665 | 684 |
| 479 | 685 rc = ngx_event_connect_peer(&u->peer); |
| 686 | |
| 687 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 688 "http upstream connect: %i", rc); | |
| 689 | |
| 690 if (rc == NGX_ERROR) { | |
| 691 ngx_http_upstream_finalize_request(r, u, | |
| 692 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 693 return; | |
| 694 } | |
| 695 | |
|
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696 u->state->peer = u->peer.name; |
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697 |
| 543 | 698 if (rc == NGX_BUSY) { |
| 699 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no live upstreams"); | |
| 1378 | 700 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_NOLIVE); |
| 701 return; | |
| 543 | 702 } |
| 703 | |
| 1378 | 704 if (rc == NGX_DECLINED) { |
| 479 | 705 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
| 706 return; | |
| 707 } | |
| 708 | |
| 577 | 709 /* rc == NGX_OK || rc == NGX_AGAIN */ |
| 710 | |
| 479 | 711 c = u->peer.connection; |
| 712 | |
| 713 c->data = r; | |
| 591 | 714 |
| 509 | 715 c->write->handler = ngx_http_upstream_send_request_handler; |
| 716 c->read->handler = ngx_http_upstream_process_header; | |
| 479 | 717 |
|
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718 c->sendfile &= r->connection->sendfile; |
| 1958 | 719 u->output.sendfile = c->sendfile; |
| 479 | 720 |
| 721 c->pool = r->pool; | |
| 722 c->read->log = c->write->log = c->log = r->connection->log; | |
| 723 | |
| 724 /* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */ | |
| 725 | |
| 726 u->writer.out = NULL; | |
| 727 u->writer.last = &u->writer.out; | |
| 728 u->writer.connection = c; | |
| 729 u->writer.limit = 0; | |
| 730 | |
| 731 if (u->request_sent) { | |
| 509 | 732 if (ngx_http_upstream_reinit(r, u) != NGX_OK) { |
| 733 ngx_http_upstream_finalize_request(r, u, | |
| 734 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 735 return; | |
| 736 } | |
| 479 | 737 } |
| 738 | |
|
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changeset
|
739 if (r->request_body |
|
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changeset
|
740 && r->request_body->buf |
|
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|
741 && r->request_body->temp_file |
|
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|
742 && r == r->main) |
|
7c84c877f2d7
fix segfault when client_body_in_file_only is on, the body is not passed
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parents:
1063
diff
changeset
|
743 { |
| 573 | 744 /* |
| 745 * the r->request_body->buf can be reused for one request only, | |
| 746 * the subrequests should allocate their own temporay bufs | |
| 747 */ | |
| 748 | |
| 749 u->output.free = ngx_alloc_chain_link(r->pool); | |
| 750 if (u->output.free == NULL) { | |
| 751 ngx_http_upstream_finalize_request(r, u, | |
| 752 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 753 return; | |
| 479 | 754 } |
| 573 | 755 |
| 756 u->output.free->buf = r->request_body->buf; | |
| 757 u->output.free->next = NULL; | |
| 758 u->output.allocated = 1; | |
| 759 | |
| 760 r->request_body->buf->pos = r->request_body->buf->start; | |
| 761 r->request_body->buf->last = r->request_body->buf->start; | |
| 762 r->request_body->buf->tag = u->output.tag; | |
| 479 | 763 } |
| 764 | |
| 765 u->request_sent = 0; | |
| 766 | |
| 767 if (rc == NGX_AGAIN) { | |
| 768 ngx_add_timer(c->write, u->conf->connect_timeout); | |
| 769 return; | |
| 770 } | |
| 771 | |
| 577 | 772 #if (NGX_HTTP_SSL) |
| 773 | |
| 1658 | 774 if (u->ssl && c->ssl == NULL) { |
| 591 | 775 ngx_http_upstream_ssl_init_connection(r, u, c); |
| 577 | 776 return; |
| 777 } | |
| 778 | |
| 779 #endif | |
| 780 | |
| 479 | 781 ngx_http_upstream_send_request(r, u); |
| 782 } | |
| 783 | |
| 784 | |
| 577 | 785 #if (NGX_HTTP_SSL) |
| 786 | |
| 787 static void | |
| 591 | 788 ngx_http_upstream_ssl_init_connection(ngx_http_request_t *r, |
| 789 ngx_http_upstream_t *u, ngx_connection_t *c) | |
| 790 { | |
| 884 | 791 ngx_int_t rc; |
| 591 | 792 |
| 793 if (ngx_ssl_create_connection(u->conf->ssl, c, | |
| 794 NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
| 795 == NGX_ERROR) | |
| 796 { | |
| 797 ngx_http_upstream_finalize_request(r, u, | |
| 798 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 799 return; | |
| 800 } | |
| 801 | |
| 802 c->sendfile = 0; | |
| 619 | 803 u->output.sendfile = 0; |
| 591 | 804 |
| 2184 | 805 if (u->conf->ssl_session_reuse) { |
| 806 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
| 807 ngx_http_upstream_finalize_request(r, u, | |
| 808 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 809 return; | |
| 810 } | |
| 591 | 811 } |
| 812 | |
| 641 | 813 r->connection->log->action = "SSL handshaking to upstream"; |
| 814 | |
| 591 | 815 rc = ngx_ssl_handshake(c); |
| 816 | |
| 817 if (rc == NGX_AGAIN) { | |
| 818 c->ssl->handler = ngx_http_upstream_ssl_handshake; | |
| 819 return; | |
| 820 } | |
| 821 | |
| 822 ngx_http_upstream_ssl_handshake(c); | |
| 823 } | |
| 824 | |
| 825 | |
| 826 static void | |
| 577 | 827 ngx_http_upstream_ssl_handshake(ngx_connection_t *c) |
| 828 { | |
| 829 ngx_http_request_t *r; | |
| 830 ngx_http_upstream_t *u; | |
| 831 | |
| 832 r = c->data; | |
| 833 u = r->upstream; | |
| 834 | |
| 835 if (c->ssl->handshaked) { | |
| 836 | |
| 2184 | 837 if (u->conf->ssl_session_reuse) { |
| 838 u->peer.save_session(&u->peer, u->peer.data); | |
| 839 } | |
| 884 | 840 |
| 577 | 841 c->write->handler = ngx_http_upstream_send_request_handler; |
| 842 c->read->handler = ngx_http_upstream_process_header; | |
| 843 | |
| 844 ngx_http_upstream_send_request(r, u); | |
| 845 | |
| 846 return; | |
| 847 } | |
| 848 | |
| 849 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 850 | |
| 851 } | |
| 852 | |
| 853 #endif | |
| 854 | |
| 855 | |
| 509 | 856 static ngx_int_t |
| 487 | 857 ngx_http_upstream_reinit(ngx_http_request_t *r, ngx_http_upstream_t *u) |
| 479 | 858 { |
| 859 ngx_chain_t *cl; | |
| 860 | |
| 509 | 861 if (u->reinit_request(r) != NGX_OK) { |
| 862 return NGX_ERROR; | |
| 863 } | |
| 864 | |
| 1705 | 865 ngx_memzero(&u->headers_in, sizeof(ngx_http_upstream_headers_in_t)); |
| 866 | |
| 867 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, | |
| 591 | 868 sizeof(ngx_table_elt_t)) |
| 869 != NGX_OK) | |
| 509 | 870 { |
| 871 return NGX_ERROR; | |
| 479 | 872 } |
| 873 | |
| 874 /* reinit the request chain */ | |
| 577 | 875 |
| 509 | 876 for (cl = u->request_bufs; cl; cl = cl->next) { |
| 479 | 877 cl->buf->pos = cl->buf->start; |
| 878 cl->buf->file_pos = 0; | |
| 879 } | |
| 880 | |
| 509 | 881 /* reinit the subrequest's ngx_output_chain() context */ |
| 882 | |
| 573 | 883 if (r->request_body && r->request_body->temp_file |
| 597 | 884 && r != r->main && u->output.buf) |
| 573 | 885 { |
| 886 u->output.free = ngx_alloc_chain_link(r->pool); | |
| 887 if (u->output.free == NULL) { | |
| 888 return NGX_ERROR; | |
| 509 | 889 } |
| 573 | 890 |
| 891 u->output.free->buf = u->output.buf; | |
| 892 u->output.free->next = NULL; | |
| 893 | |
| 894 u->output.buf->pos = u->output.buf->start; | |
| 895 u->output.buf->last = u->output.buf->start; | |
| 509 | 896 } |
| 479 | 897 |
| 898 u->output.buf = NULL; | |
| 899 u->output.in = NULL; | |
| 900 u->output.busy = NULL; | |
| 577 | 901 |
| 581 | 902 /* reinit u->buffer */ |
| 577 | 903 |
| 479 | 904 #if 0 |
| 905 if (u->cache) { | |
| 581 | 906 u->buffer.pos = u->buffer.start + u->cache->ctx.header_size; |
| 907 u->buffer.last = u->buffer.pos; | |
| 479 | 908 |
| 909 } else { | |
| 581 | 910 u->buffer.pos = u->buffer.start; |
| 911 u->buffer.last = u->buffer.start; | |
| 479 | 912 } |
| 913 #else | |
| 509 | 914 |
| 581 | 915 u->buffer.pos = u->buffer.start; |
| 916 u->buffer.last = u->buffer.start; | |
| 509 | 917 |
| 479 | 918 #endif |
| 919 | |
| 509 | 920 return NGX_OK; |
| 479 | 921 } |
| 922 | |
| 923 | |
| 487 | 924 static void |
| 925 ngx_http_upstream_send_request(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 479 | 926 { |
|
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|
927 ngx_int_t rc; |
| 483 | 928 ngx_connection_t *c; |
| 577 | 929 |
| 479 | 930 c = u->peer.connection; |
| 931 | |
| 932 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 933 "http upstream send request"); | |
| 934 | |
|
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diff
changeset
|
935 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
| 1166 | 936 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
|
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changeset
|
937 return; |
| 479 | 938 } |
| 939 | |
| 483 | 940 c->log->action = "sending request to upstream"; |
| 479 | 941 |
| 509 | 942 rc = ngx_output_chain(&u->output, u->request_sent ? NULL : u->request_bufs); |
| 479 | 943 |
| 944 u->request_sent = 1; | |
| 945 | |
| 946 if (rc == NGX_ERROR) { | |
| 947 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 948 return; | |
| 949 } | |
| 950 | |
| 951 if (c->write->timer_set) { | |
| 952 ngx_del_timer(c->write); | |
| 953 } | |
| 954 | |
| 955 if (rc == NGX_AGAIN) { | |
| 956 ngx_add_timer(c->write, u->conf->send_timeout); | |
| 957 | |
| 958 if (ngx_handle_write_event(c->write, u->conf->send_lowat) == NGX_ERROR) | |
| 959 { | |
| 960 ngx_http_upstream_finalize_request(r, u, | |
| 961 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 962 return; | |
| 963 } | |
| 964 | |
| 965 return; | |
| 966 } | |
| 967 | |
| 968 /* rc == NGX_OK */ | |
| 969 | |
| 970 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) { | |
| 971 if (ngx_tcp_push(c->fd) == NGX_ERROR) { | |
| 972 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, | |
| 973 ngx_tcp_push_n " failed"); | |
| 974 ngx_http_upstream_finalize_request(r, u, | |
| 975 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 577 | 976 return; |
| 479 | 977 } |
| 978 | |
| 979 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET; | |
| 980 } | |
| 577 | 981 |
| 479 | 982 ngx_add_timer(c->read, u->conf->read_timeout); |
| 983 | |
| 984 #if 1 | |
| 985 if (c->read->ready) { | |
| 577 | 986 |
| 479 | 987 /* post aio operation */ |
| 988 | |
| 989 /* | |
| 990 * TODO comment | |
| 991 * although we can post aio operation just in the end | |
| 992 * of ngx_http_upstream_connect() CHECK IT !!! | |
| 993 * it's better to do here because we postpone header buffer allocation | |
| 994 */ | |
| 995 | |
| 996 ngx_http_upstream_process_header(c->read); | |
| 997 return; | |
| 998 } | |
| 999 #endif | |
| 1000 | |
| 509 | 1001 c->write->handler = ngx_http_upstream_dummy_handler; |
| 479 | 1002 |
| 509 | 1003 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
| 479 | 1004 ngx_http_upstream_finalize_request(r, u, |
| 1005 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1006 return; | |
| 1007 } | |
| 1008 } | |
| 1009 | |
| 1010 | |
| 487 | 1011 static void |
| 1012 ngx_http_upstream_send_request_handler(ngx_event_t *wev) | |
| 479 | 1013 { |
| 1014 ngx_connection_t *c; | |
| 1015 ngx_http_request_t *r; | |
| 1016 ngx_http_upstream_t *u; | |
| 1017 | |
| 1018 c = wev->data; | |
| 1019 r = c->data; | |
| 1020 u = r->upstream; | |
| 1021 | |
| 1022 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
| 1023 "http upstream send request handler"); | |
| 1024 | |
| 1025 if (wev->timedout) { | |
| 1026 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
| 1027 return; | |
| 1028 } | |
| 1029 | |
| 591 | 1030 #if (NGX_HTTP_SSL) |
| 1031 | |
| 1658 | 1032 if (u->ssl && c->ssl == NULL) { |
| 591 | 1033 ngx_http_upstream_ssl_init_connection(r, u, c); |
| 1034 return; | |
| 1035 } | |
| 1036 | |
| 1037 #endif | |
| 1038 | |
| 651 | 1039 if (u->header_sent) { |
| 1040 wev->handler = ngx_http_upstream_dummy_handler; | |
| 1041 | |
| 1042 (void) ngx_handle_write_event(wev, 0); | |
| 1043 | |
| 1044 return; | |
| 1045 } | |
| 1046 | |
| 479 | 1047 ngx_http_upstream_send_request(r, u); |
| 1048 } | |
| 1049 | |
| 1050 | |
| 487 | 1051 static void |
| 1052 ngx_http_upstream_process_header(ngx_event_t *rev) | |
| 479 | 1053 { |
| 515 | 1054 ssize_t n; |
| 1055 ngx_int_t rc; | |
| 573 | 1056 ngx_str_t *uri, args; |
| 649 | 1057 ngx_uint_t i, flags; |
| 515 | 1058 ngx_list_part_t *part; |
| 1059 ngx_table_elt_t *h; | |
| 1060 ngx_connection_t *c; | |
| 1061 ngx_http_request_t *r; | |
| 1062 ngx_http_upstream_t *u; | |
| 1063 ngx_http_upstream_header_t *hh; | |
| 1064 ngx_http_upstream_main_conf_t *umcf; | |
| 479 | 1065 |
| 1066 c = rev->data; | |
| 1067 r = c->data; | |
| 1068 u = r->upstream; | |
| 1069 | |
| 1070 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, | |
| 483 | 1071 "http upstream process header"); |
| 479 | 1072 |
| 483 | 1073 c->log->action = "reading response header from upstream"; |
| 479 | 1074 |
| 1075 if (rev->timedout) { | |
| 1076 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
| 1077 return; | |
| 1078 } | |
| 577 | 1079 |
|
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parents:
1143
diff
changeset
|
1080 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
| 1166 | 1081 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
|
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parents:
1143
diff
changeset
|
1082 return; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1083 } |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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parents:
1143
diff
changeset
|
1084 |
| 581 | 1085 if (u->buffer.start == NULL) { |
| 1086 u->buffer.start = ngx_palloc(r->pool, u->conf->buffer_size); | |
| 1087 if (u->buffer.start == NULL) { | |
| 479 | 1088 ngx_http_upstream_finalize_request(r, u, |
| 1089 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1090 return; | |
| 1091 } | |
| 1092 | |
| 581 | 1093 u->buffer.pos = u->buffer.start; |
| 1094 u->buffer.last = u->buffer.start; | |
| 1095 u->buffer.end = u->buffer.start + u->conf->buffer_size; | |
| 1096 u->buffer.temporary = 1; | |
| 1097 | |
| 1098 u->buffer.tag = u->output.tag; | |
| 479 | 1099 |
| 1705 | 1100 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, |
| 581 | 1101 sizeof(ngx_table_elt_t)) |
| 1102 != NGX_OK) | |
| 509 | 1103 { |
| 1104 ngx_http_upstream_finalize_request(r, u, | |
| 1105 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1106 return; | |
| 1107 } | |
| 1108 | |
| 479 | 1109 #if 0 |
| 1110 if (u->cache) { | |
| 581 | 1111 u->buffer.pos += u->cache->ctx.header_size; |
| 1112 u->buffer.last = u->buffer.pos; | |
| 479 | 1113 } |
| 1114 #endif | |
| 1115 } | |
| 1116 | |
| 1558 | 1117 n = c->recv(c, u->buffer.last, u->buffer.end - u->buffer.last); |
| 479 | 1118 |
| 1119 if (n == NGX_AGAIN) { | |
| 1120 #if 0 | |
| 1121 ngx_add_timer(rev, u->read_timeout); | |
| 1122 #endif | |
| 1123 | |
| 1124 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 1125 ngx_http_upstream_finalize_request(r, u, | |
| 1126 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1127 return; | |
| 1128 } | |
| 1129 | |
| 1130 return; | |
| 1131 } | |
| 1132 | |
| 1133 if (n == 0) { | |
| 1134 ngx_log_error(NGX_LOG_ERR, rev->log, 0, | |
| 1135 "upstream prematurely closed connection"); | |
| 1136 } | |
| 1137 | |
| 1138 if (n == NGX_ERROR || n == 0) { | |
| 1139 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 1140 return; | |
| 1141 } | |
| 1142 | |
| 581 | 1143 u->buffer.last += n; |
| 479 | 1144 |
| 1145 #if 0 | |
| 1146 u->valid_header_in = 0; | |
| 1147 | |
| 1148 u->peer.cached = 0; | |
| 1149 #endif | |
| 1150 | |
| 1151 rc = u->process_header(r); | |
| 1152 | |
| 1153 if (rc == NGX_AGAIN) { | |
| 1154 #if 0 | |
| 1155 ngx_add_timer(rev, u->read_timeout); | |
| 1156 #endif | |
| 1157 | |
| 581 | 1158 if (u->buffer.pos == u->buffer.end) { |
| 479 | 1159 ngx_log_error(NGX_LOG_ERR, rev->log, 0, |
| 1160 "upstream sent too big header"); | |
| 1161 | |
| 1162 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
| 1163 return; | |
| 1164 } | |
| 1165 | |
| 1166 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 1167 ngx_http_upstream_finalize_request(r, u, | |
| 1168 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1169 return; | |
| 1170 } | |
| 1171 | |
| 1172 return; | |
| 1173 } | |
| 1174 | |
| 1175 if (rc == NGX_HTTP_UPSTREAM_INVALID_HEADER) { | |
| 1176 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
| 1177 return; | |
| 1178 } | |
| 1179 | |
|
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parents:
1693
diff
changeset
|
1180 if (rc == NGX_ERROR) { |
| 479 | 1181 ngx_http_upstream_finalize_request(r, u, |
| 1182 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1183 return; | |
| 1184 } | |
| 1185 | |
| 1186 /* rc == NGX_OK */ | |
| 1187 | |
|
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*) ngx_http_upstream_test_next()
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parents:
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diff
changeset
|
1188 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST) { |
|
33556140681a
*) ngx_http_upstream_test_next()
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2267
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changeset
|
1189 |
|
33556140681a
*) ngx_http_upstream_test_next()
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2267
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changeset
|
1190 if (r->subrequest_in_memory) { |
|
33556140681a
*) ngx_http_upstream_test_next()
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|
1191 u->buffer.last = u->buffer.pos; |
|
33556140681a
*) ngx_http_upstream_test_next()
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|
1192 } |
|
33556140681a
*) ngx_http_upstream_test_next()
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|
1193 |
|
33556140681a
*) ngx_http_upstream_test_next()
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diff
changeset
|
1194 if (ngx_http_upstream_test_next(r, u) == NGX_OK) { |
| 509 | 1195 return; |
| 1196 } | |
| 1197 | |
|
2267
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ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1198 if (ngx_http_upstream_intercept_errors(r, u) == NGX_OK) { |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1199 return; |
| 487 | 1200 } |
| 1201 } | |
| 1202 | |
| 681 | 1203 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); |
| 1204 | |
| 1705 | 1205 if (u->headers_in.x_accel_redirect) { |
|
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1206 |
| 515 | 1207 ngx_http_upstream_finalize_request(r, u, NGX_DECLINED); |
| 1208 | |
| 1705 | 1209 part = &u->headers_in.headers.part; |
| 515 | 1210 h = part->elts; |
| 1211 | |
| 1212 for (i = 0; /* void */; i++) { | |
| 1213 | |
| 1214 if (i >= part->nelts) { | |
| 1215 if (part->next == NULL) { | |
| 1216 break; | |
| 1217 } | |
| 577 | 1218 |
| 515 | 1219 part = part->next; |
| 1220 h = part->elts; | |
| 1221 i = 0; | |
| 1222 } | |
| 1223 | |
| 649 | 1224 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, |
| 1225 h[i].lowcase_key, h[i].key.len); | |
| 1226 | |
| 1227 if (hh && hh->redirect) { | |
| 1228 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
|
787
b310630d129e
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
777
diff
changeset
|
1229 ngx_http_finalize_request(r, |
|
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1230 NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 515 | 1231 return; |
| 1232 } | |
| 1233 } | |
| 1234 } | |
| 1235 | |
| 1705 | 1236 uri = &u->headers_in.x_accel_redirect->value; |
| 573 | 1237 args.len = 0; |
| 1238 args.data = NULL; | |
| 1239 flags = 0; | |
| 1240 | |
| 1241 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) { | |
|
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1242 ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); |
| 573 | 1243 return; |
| 1244 } | |
| 1245 | |
| 1246 if (flags & NGX_HTTP_ZERO_IN_URI) { | |
| 1247 r->zero_in_uri = 1; | |
| 1248 } | |
| 1249 | |
| 653 | 1250 if (r->method != NGX_HTTP_HEAD) { |
| 1251 r->method = NGX_HTTP_GET; | |
| 1252 } | |
| 1253 | |
|
2183
4a5bfd728a12
disable original URI usage in proxy_pass after X-Accel-Redirect
Igor Sysoev <igor@sysoev.ru>
parents:
2140
diff
changeset
|
1254 r->valid_unparsed_uri = 0; |
|
4a5bfd728a12
disable original URI usage in proxy_pass after X-Accel-Redirect
Igor Sysoev <igor@sysoev.ru>
parents:
2140
diff
changeset
|
1255 |
| 573 | 1256 ngx_http_internal_redirect(r, uri, &args); |
| 515 | 1257 return; |
| 1258 } | |
| 1259 | |
| 1705 | 1260 part = &u->headers_in.headers.part; |
| 509 | 1261 h = part->elts; |
| 1262 | |
| 1263 for (i = 0; /* void */; i++) { | |
| 479 | 1264 |
| 509 | 1265 if (i >= part->nelts) { |
| 1266 if (part->next == NULL) { | |
| 1267 break; | |
| 1268 } | |
| 577 | 1269 |
| 509 | 1270 part = part->next; |
| 1271 h = part->elts; | |
| 1272 i = 0; | |
| 1273 } | |
| 1274 | |
| 649 | 1275 if (ngx_hash_find(&u->conf->hide_headers_hash, h[i].hash, |
| 1276 h[i].lowcase_key, h[i].key.len)) | |
| 509 | 1277 { |
| 649 | 1278 continue; |
| 1279 } | |
| 1280 | |
| 1281 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, | |
| 1282 h[i].lowcase_key, h[i].key.len); | |
| 1283 | |
| 1284 if (hh) { | |
| 1285 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
| 509 | 1286 ngx_http_upstream_finalize_request(r, u, |
| 1287 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1288 return; | |
| 1289 } | |
| 1290 | |
| 1291 continue; | |
| 1292 } | |
| 1293 | |
| 1294 if (ngx_http_upstream_copy_header_line(r, &h[i], 0) != NGX_OK) { | |
| 1295 ngx_http_upstream_finalize_request(r, u, | |
| 1296 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1297 return; | |
| 1298 } | |
| 1299 } | |
| 1300 | |
| 649 | 1301 if (r->headers_out.server && r->headers_out.server->value.data == NULL) { |
| 1302 r->headers_out.server->hash = 0; | |
| 1303 } | |
| 1304 | |
| 1305 if (r->headers_out.date && r->headers_out.date->value.data == NULL) { | |
| 1306 r->headers_out.date->hash = 0; | |
| 1307 } | |
| 1308 | |
| 529 | 1309 r->headers_out.status = u->headers_in.status_n; |
| 1310 r->headers_out.status_line = u->headers_in.status_line; | |
| 1311 | |
|
1885
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
1312 u->headers_in.content_length_n = r->headers_out.content_length_n; |
|
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
1313 |
| 581 | 1314 if (r->headers_out.content_length_n != -1) { |
| 1315 u->length = (size_t) r->headers_out.content_length_n; | |
| 1316 | |
| 1317 } else { | |
| 1318 u->length = NGX_MAX_SIZE_T_VALUE; | |
| 1319 } | |
| 1320 | |
|
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1321 if (!r->subrequest_in_memory) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1322 ngx_http_upstream_send_response(r, u); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1323 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1324 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1325 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1326 /* subrequest content in memory */ |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1327 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1328 if (u->input_filter == NULL) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1329 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1330 u->input_filter = ngx_http_upstream_non_buffered_filter; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1331 u->input_filter_ctx = r; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1332 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1333 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1334 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1335 ngx_http_upstream_finalize_request(r, u, |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1336 NGX_HTTP_INTERNAL_SERVER_ERROR); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1337 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1338 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1339 |
|
2308
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1340 n = u->buffer.last - u->buffer.pos; |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1341 |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1342 if (n) { |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1343 u->buffer.last -= n; |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1344 |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1345 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
|
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1346 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1347 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1348 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1349 |
|
2308
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1350 if (u->length == 0) { |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1351 ngx_http_upstream_finalize_request(r, u, 0); |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1352 return; |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1353 } |
|
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1354 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1355 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1356 rev->handler = ngx_http_upstream_process_body_in_memory; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1357 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1358 ngx_http_upstream_process_body_in_memory(rev); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1359 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1360 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1361 |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1362 static ngx_int_t |
|
2268
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1363 ngx_http_upstream_test_next(ngx_http_request_t *r, ngx_http_upstream_t *u) |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1364 { |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1365 ngx_uint_t status; |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1366 ngx_http_upstream_next_t *un; |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1367 |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1368 if (!(u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_STATUS)) { |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1369 return NGX_DECLINED; |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1370 } |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1371 |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1372 status = u->headers_in.status_n; |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1373 |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1374 for (un = ngx_http_upstream_next_errors; un->status; un++) { |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1375 |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1376 if (status != un->status) { |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1377 continue; |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1378 } |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1379 |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1380 if (u->peer.tries > 1 && (u->conf->next_upstream & un->mask)) { |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1381 ngx_http_upstream_next(r, u, un->mask); |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1382 return NGX_OK; |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1383 } |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1384 |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1385 if (status == NGX_HTTP_NOT_FOUND && u->conf->intercept_404) { |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1386 ngx_http_upstream_finalize_request(r, u, NGX_HTTP_NOT_FOUND); |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1387 return NGX_OK; |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1388 } |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1389 |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1390 #if (NGX_HTTP_CACHE) |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1391 |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1392 if (u->peer.tries == 0 && u->stale && (u->conf->use_stale & un->mask)) { |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1393 ngx_http_upstream_finalize_request(r, u, |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1394 ngx_http_send_cached_response(r)); |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1395 return NGX_OK; |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1396 } |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1397 |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1398 #endif |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1399 } |
|
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|
1400 |
|
33556140681a
*) ngx_http_upstream_test_next()
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|
1401 return NGX_DECLINED; |
|
33556140681a
*) ngx_http_upstream_test_next()
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|
1402 } |
|
33556140681a
*) ngx_http_upstream_test_next()
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|
1403 |
|
33556140681a
*) ngx_http_upstream_test_next()
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|
1404 |
|
33556140681a
*) ngx_http_upstream_test_next()
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|
1405 static ngx_int_t |
|
2267
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changeset
|
1406 ngx_http_upstream_intercept_errors(ngx_http_request_t *r, |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1407 ngx_http_upstream_t *u) |
|
920be89a3d2d
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|
1408 { |
|
920be89a3d2d
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|
1409 ngx_int_t status; |
|
920be89a3d2d
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|
1410 ngx_uint_t i; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1411 ngx_table_elt_t *h; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1412 ngx_http_err_page_t *err_page; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1413 ngx_http_core_loc_conf_t *clcf; |
|
920be89a3d2d
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|
1414 |
|
920be89a3d2d
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|
1415 if (!u->conf->intercept_errors) { |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1416 return NGX_DECLINED; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1417 } |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1418 |
|
920be89a3d2d
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diff
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|
1419 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
|
920be89a3d2d
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|
1420 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1421 if (clcf->error_pages == NULL) { |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1422 return NGX_DECLINED; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1423 } |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1424 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
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|
1425 status = u->headers_in.status_n; |
|
920be89a3d2d
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changeset
|
1426 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1427 err_page = clcf->error_pages->elts; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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parents:
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diff
changeset
|
1428 for (i = 0; i < clcf->error_pages->nelts; i++) { |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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parents:
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diff
changeset
|
1429 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1430 if (err_page[i].status == status) { |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1431 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1432 if (status == NGX_HTTP_UNAUTHORIZED) { |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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parents:
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diff
changeset
|
1433 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1434 h = ngx_list_push(&r->headers_out.headers); |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1435 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1436 if (h == NULL) { |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1437 ngx_http_upstream_finalize_request(r, u, |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1438 NGX_HTTP_INTERNAL_SERVER_ERROR); |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1439 return NGX_OK; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
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|
1440 } |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1441 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1442 *h = *u->headers_in.www_authenticate; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1443 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1444 r->headers_out.www_authenticate = h; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1445 } |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1446 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1447 ngx_http_upstream_finalize_request(r, u, status); |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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parents:
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diff
changeset
|
1448 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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parents:
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diff
changeset
|
1449 return NGX_OK; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1450 } |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1451 } |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1452 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1453 return NGX_DECLINED; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1454 } |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1455 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1456 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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parents:
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diff
changeset
|
1457 static ngx_int_t |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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parents:
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diff
changeset
|
1458 ngx_http_upstream_test_connect(ngx_connection_t *c) |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1459 { |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1460 int err; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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parents:
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diff
changeset
|
1461 socklen_t len; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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1143
diff
changeset
|
1462 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1463 #if (NGX_HAVE_KQUEUE) |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1464 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1465 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
| 1166 | 1466 if (c->write->pending_eof) { |
|
1469
0a269c464eaf
connection error should be logged with "connecting to upstream" action,
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parents:
1468
diff
changeset
|
1467 c->log->action = "connecting to upstream"; |
| 1166 | 1468 (void) ngx_connection_error(c, c->write->kq_errno, |
| 1469 "kevent() reported that connect() failed"); | |
| 1470 return NGX_ERROR; | |
| 1471 } | |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1472 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1473 } else |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1474 #endif |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1475 { |
| 1166 | 1476 err = 0; |
| 1477 len = sizeof(int); | |
| 1478 | |
| 1479 /* | |
| 1480 * BSDs and Linux return 0 and set a pending error in err | |
| 1481 * Solaris returns -1 and sets errno | |
| 1482 */ | |
| 1483 | |
| 1484 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
| 1485 == -1) | |
| 1486 { | |
| 1487 err = ngx_errno; | |
| 1488 } | |
| 1489 | |
| 1490 if (err) { | |
|
1469
0a269c464eaf
connection error should be logged with "connecting to upstream" action,
Igor Sysoev <igor@sysoev.ru>
parents:
1468
diff
changeset
|
1491 c->log->action = "connecting to upstream"; |
| 1166 | 1492 (void) ngx_connection_error(c, err, "connect() failed"); |
| 1493 return NGX_ERROR; | |
| 1494 } | |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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parents:
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diff
changeset
|
1495 } |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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1143
diff
changeset
|
1496 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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1143
diff
changeset
|
1497 return NGX_OK; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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1143
diff
changeset
|
1498 } |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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parents:
1143
diff
changeset
|
1499 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1500 |
|
777
4ab852b691f5
<!--#include virtual=... set=... -->
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diff
changeset
|
1501 static void |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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|
1502 ngx_http_upstream_process_body_in_memory(ngx_event_t *rev) |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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|
1503 { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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|
1504 size_t size; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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|
1505 ssize_t n; |
|
4ab852b691f5
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|
1506 ngx_buf_t *b; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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|
1507 ngx_connection_t *c; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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|
1508 ngx_http_request_t *r; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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|
1509 ngx_http_upstream_t *u; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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|
1510 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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|
1511 c = rev->data; |
|
4ab852b691f5
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|
1512 r = c->data; |
|
4ab852b691f5
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|
1513 u = r->upstream; |
|
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|
1514 |
|
4ab852b691f5
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|
1515 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
|
4ab852b691f5
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diff
changeset
|
1516 "http upstream process body on memory"); |
|
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diff
changeset
|
1517 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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changeset
|
1518 if (rev->timedout) { |
|
4ab852b691f5
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diff
changeset
|
1519 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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changeset
|
1520 ngx_http_upstream_finalize_request(r, u, NGX_ETIMEDOUT); |
|
4ab852b691f5
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|
1521 return; |
|
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changeset
|
1522 } |
|
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diff
changeset
|
1523 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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changeset
|
1524 b = &u->buffer; |
|
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diff
changeset
|
1525 |
|
4ab852b691f5
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diff
changeset
|
1526 for ( ;; ) { |
|
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diff
changeset
|
1527 |
|
4ab852b691f5
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diff
changeset
|
1528 size = b->end - b->last; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1529 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1530 if (size == 0) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1531 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1532 "upstream buffer is too small to read repsonse"); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1533 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1534 return; |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1535 } |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1536 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1537 n = c->recv(c, b->last, size); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1538 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1539 if (n == NGX_AGAIN) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1540 break; |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1541 } |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1542 |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1543 if (n == 0 || n == NGX_ERROR) { |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1544 ngx_http_upstream_finalize_request(r, u, n); |
|
4ab852b691f5
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parents:
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diff
changeset
|
1545 return; |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1546 } |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1547 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1548 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1549 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1550 return; |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1551 } |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1552 |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1553 if (!rev->ready) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1554 break; |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1555 } |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1556 } |
|
4ab852b691f5
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parents:
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diff
changeset
|
1557 |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1558 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1559 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1560 return; |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1561 } |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1562 |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1563 if (rev->active) { |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1564 ngx_add_timer(rev, u->conf->read_timeout); |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1565 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
757
diff
changeset
|
1566 } else if (rev->timer_set) { |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1567 ngx_del_timer(rev); |
|
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diff
changeset
|
1568 } |
| 681 | 1569 } |
| 1570 | |
| 1571 | |
| 1572 static void | |
| 1573 ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 1574 { | |
| 1575 int tcp_nodelay; | |
| 1576 ssize_t size; | |
| 1577 ngx_int_t rc; | |
| 1578 ngx_event_pipe_t *p; | |
| 1579 ngx_connection_t *c; | |
| 1580 ngx_pool_cleanup_t *cl; | |
| 1581 ngx_pool_cleanup_file_t *clf; | |
| 1582 ngx_http_core_loc_conf_t *clcf; | |
| 1583 | |
| 509 | 1584 rc = ngx_http_send_header(r); |
| 479 | 1585 |
|
1031
bf1785dfb75f
allow the upstream modules to send a header only
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
1586 if (rc == NGX_ERROR || rc > NGX_OK || r->post_action || r->header_only) { |
| 485 | 1587 ngx_http_upstream_finalize_request(r, u, rc); |
| 479 | 1588 return; |
| 1589 } | |
| 1590 | |
| 1591 u->header_sent = 1; | |
| 1592 | |
| 573 | 1593 if (r->request_body && r->request_body->temp_file) { |
| 563 | 1594 for (cl = r->pool->cleanup; cl; cl = cl->next) { |
| 1595 if (cl->handler == ngx_pool_cleanup_file) { | |
| 1596 clf = cl->data; | |
| 1597 | |
| 1598 if (clf->fd == r->request_body->temp_file->file.fd) { | |
| 1599 cl->handler(clf); | |
| 1600 cl->handler = NULL; | |
| 659 | 1601 r->request_body->temp_file->file.fd = NGX_INVALID_FILE; |
| 563 | 1602 break; |
| 1603 } | |
| 1604 } | |
| 1605 } | |
| 1606 } | |
| 1607 | |
| 583 | 1608 c = r->connection; |
| 1609 | |
| 581 | 1610 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| 1611 | |
| 649 | 1612 if (!u->buffering) { |
| 581 | 1613 |
| 1614 if (u->input_filter == NULL) { | |
| 1615 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; | |
| 1616 u->input_filter = ngx_http_upstream_non_buffered_filter; | |
| 1617 u->input_filter_ctx = r; | |
| 1618 } | |
| 1619 | |
| 1620 u->peer.connection->read->handler = | |
| 1621 ngx_http_upstream_process_non_buffered_body; | |
| 1622 r->write_event_handler = | |
| 1623 ngx_http_upstream_process_non_buffered_downstream; | |
| 1624 | |
| 1625 r->limit_rate = 0; | |
| 1626 | |
| 1627 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { | |
| 1628 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1629 return; | |
| 1630 } | |
| 1631 | |
| 583 | 1632 if (clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
| 1633 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay"); | |
| 1634 | |
| 1635 tcp_nodelay = 1; | |
| 1636 | |
| 1637 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
| 1638 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
| 1639 { | |
| 1640 ngx_connection_error(c, ngx_socket_errno, | |
| 1641 "setsockopt(TCP_NODELAY) failed"); | |
| 1642 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1643 return; | |
| 1644 } | |
| 1645 | |
| 1646 c->tcp_nodelay = NGX_TCP_NODELAY_SET; | |
| 1647 } | |
| 1648 | |
| 581 | 1649 size = u->buffer.last - u->buffer.pos; |
| 1650 | |
| 1651 if (size) { | |
| 1652 u->buffer.last = u->buffer.pos; | |
| 1653 | |
| 1654 if (u->input_filter(u->input_filter_ctx, size) == NGX_ERROR) { | |
| 1655 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1656 return; | |
| 1657 } | |
| 1658 | |
| 583 | 1659 ngx_http_upstream_process_non_buffered_body(c->write); |
| 581 | 1660 |
| 1661 } else { | |
| 1662 u->buffer.pos = u->buffer.start; | |
| 1663 u->buffer.last = u->buffer.start; | |
| 1664 | |
| 1665 if (ngx_http_send_special(r, NGX_HTTP_FLUSH) == NGX_ERROR) { | |
| 1666 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1667 return; | |
| 1668 } | |
|
1468
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1397
diff
changeset
|
1669 |
|
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1397
diff
changeset
|
1670 if (u->peer.connection->read->ready) { |
|
491e5059ea19
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1397
diff
changeset
|
1671 ngx_http_upstream_process_non_buffered_body( |
|
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1397
diff
changeset
|
1672 u->peer.connection->read); |
|
491e5059ea19
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diff
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|
1673 } |
| 581 | 1674 } |
| 1675 | |
| 1676 return; | |
| 1677 } | |
| 1678 | |
| 479 | 1679 /* TODO: preallocate event_pipe bufs, look "Content-Length" */ |
| 1680 | |
| 1681 #if 0 | |
| 1682 | |
| 1683 if (u->cache && u->cache->ctx.file.fd != NGX_INVALID_FILE) { | |
| 1684 if (ngx_close_file(u->cache->ctx.file.fd) == NGX_FILE_ERROR) { | |
| 583 | 1685 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
| 479 | 1686 ngx_close_file_n " \"%s\" failed", |
| 1687 u->cache->ctx.file.name.data); | |
| 1688 } | |
| 1689 } | |
| 1690 | |
| 1565 | 1691 if (u->cacheable) { |
| 581 | 1692 header = (ngx_http_cache_header_t *) u->buffer->start; |
| 479 | 1693 |
| 1694 header->expires = u->cache->ctx.expires; | |
| 1695 header->last_modified = u->cache->ctx.last_modified; | |
| 1696 header->date = u->cache->ctx.date; | |
| 1697 header->length = r->headers_out.content_length_n; | |
| 1698 u->cache->ctx.length = r->headers_out.content_length_n; | |
| 1699 | |
| 1700 header->key_len = u->cache->ctx.key0.len; | |
| 1701 ngx_memcpy(&header->key, u->cache->ctx.key0.data, header->key_len); | |
| 1702 header->key[header->key_len] = LF; | |
| 1703 } | |
| 1704 | |
| 1705 #endif | |
| 1706 | |
| 581 | 1707 p = u->pipe; |
| 479 | 1708 |
| 1709 p->output_filter = (ngx_event_pipe_output_filter_pt) ngx_http_output_filter; | |
| 1710 p->output_ctx = r; | |
| 1711 p->tag = u->output.tag; | |
| 577 | 1712 p->bufs = u->conf->bufs; |
| 479 | 1713 p->busy_size = u->conf->busy_buffers_size; |
| 1714 p->upstream = u->peer.connection; | |
| 583 | 1715 p->downstream = c; |
| 479 | 1716 p->pool = r->pool; |
| 583 | 1717 p->log = c->log; |
| 577 | 1718 |
| 1565 | 1719 p->cacheable = u->cacheable || u->store; |
| 479 | 1720 |
| 501 | 1721 p->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
| 1722 if (p->temp_file == NULL) { | |
| 479 | 1723 ngx_http_upstream_finalize_request(r, u, 0); |
| 1724 return; | |
| 1725 } | |
| 1726 | |
| 1727 p->temp_file->file.fd = NGX_INVALID_FILE; | |
| 583 | 1728 p->temp_file->file.log = c->log; |
| 479 | 1729 p->temp_file->path = u->conf->temp_path; |
| 1730 p->temp_file->pool = r->pool; | |
| 577 | 1731 |
| 1565 | 1732 if (u->cacheable || u->store) { |
| 479 | 1733 p->temp_file->persistent = 1; |
|
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proxy_store and fastcgi_store
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1284
diff
changeset
|
1734 |
| 479 | 1735 } else { |
| 667 | 1736 p->temp_file->log_level = NGX_LOG_WARN; |
| 479 | 1737 p->temp_file->warn = "an upstream response is buffered " |
| 1738 "to a temporary file"; | |
| 1739 } | |
| 1740 | |
| 1741 p->max_temp_file_size = u->conf->max_temp_file_size; | |
| 1742 p->temp_file_write_size = u->conf->temp_file_write_size; | |
| 1743 | |
| 501 | 1744 p->preread_bufs = ngx_alloc_chain_link(r->pool); |
| 1745 if (p->preread_bufs == NULL) { | |
| 479 | 1746 ngx_http_upstream_finalize_request(r, u, 0); |
| 1747 return; | |
| 1748 } | |
|
1291
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1284
diff
changeset
|
1749 |
| 581 | 1750 p->preread_bufs->buf = &u->buffer; |
| 479 | 1751 p->preread_bufs->next = NULL; |
| 581 | 1752 u->buffer.recycled = 1; |
| 1753 | |
| 1754 p->preread_size = u->buffer.last - u->buffer.pos; | |
| 479 | 1755 |
| 1565 | 1756 if (u->cacheable) { |
|
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proxy_store and fastcgi_store
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1284
diff
changeset
|
1757 |
| 479 | 1758 p->buf_to_file = ngx_calloc_buf(r->pool); |
| 1759 if (p->buf_to_file == NULL) { | |
| 1760 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1761 return; | |
| 1762 } | |
|
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Igor Sysoev <igor@sysoev.ru>
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1284
diff
changeset
|
1763 |
| 581 | 1764 p->buf_to_file->pos = u->buffer.start; |
| 1765 p->buf_to_file->last = u->buffer.pos; | |
| 479 | 1766 p->buf_to_file->temporary = 1; |
| 1767 } | |
| 1768 | |
| 1769 if (ngx_event_flags & NGX_USE_AIO_EVENT) { | |
| 1770 /* the posted aio operation may currupt a shadow buffer */ | |
| 1771 p->single_buf = 1; | |
| 1772 } | |
| 1773 | |
| 1774 /* TODO: p->free_bufs = 0 if use ngx_create_chain_of_bufs() */ | |
| 1775 p->free_bufs = 1; | |
| 1776 | |
| 1777 /* | |
| 581 | 1778 * event_pipe would do u->buffer.last += p->preread_size |
| 479 | 1779 * as though these bytes were read |
| 1780 */ | |
| 581 | 1781 u->buffer.last = u->buffer.pos; |
| 479 | 1782 |
| 1783 if (u->conf->cyclic_temp_file) { | |
| 1784 | |
| 1785 /* | |
| 1786 * we need to disable the use of sendfile() if we use cyclic temp file | |
| 1787 * because the writing a new data may interfere with sendfile() | |
| 1788 * that uses the same kernel file pages (at least on FreeBSD) | |
| 1789 */ | |
| 1790 | |
| 1791 p->cyclic_temp_file = 1; | |
| 583 | 1792 c->sendfile = 0; |
| 479 | 1793 |
| 1794 } else { | |
| 1795 p->cyclic_temp_file = 0; | |
| 1796 } | |
| 1797 | |
| 1798 p->read_timeout = u->conf->read_timeout; | |
| 1799 p->send_timeout = clcf->send_timeout; | |
| 1800 p->send_lowat = clcf->send_lowat; | |
| 1801 | |
| 509 | 1802 u->peer.connection->read->handler = ngx_http_upstream_process_body; |
| 1803 r->write_event_handler = ngx_http_upstream_process_downstream; | |
| 479 | 1804 |
| 1805 ngx_http_upstream_process_body(u->peer.connection->read); | |
| 1806 } | |
| 1807 | |
| 1808 | |
| 487 | 1809 static void |
| 581 | 1810 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r) |
| 1811 { | |
| 1812 ngx_http_upstream_process_non_buffered_body(r->connection->write); | |
| 1813 } | |
| 1814 | |
| 1815 | |
| 1816 static void | |
| 1817 ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev) | |
| 1818 { | |
| 1819 size_t size; | |
| 1820 ssize_t n; | |
| 1821 ngx_buf_t *b; | |
| 583 | 1822 ngx_int_t rc; |
| 581 | 1823 ngx_uint_t do_write; |
| 884 | 1824 ngx_connection_t *c, *downstream, *upstream; |
| 581 | 1825 ngx_http_request_t *r; |
| 1826 ngx_http_upstream_t *u; | |
| 1827 ngx_http_core_loc_conf_t *clcf; | |
| 1828 | |
| 1829 c = ev->data; | |
|
756
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fix building introduced by previous commit
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755
diff
changeset
|
1830 r = c->data; |
|
d904b5cb3bba
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755
diff
changeset
|
1831 u = r->upstream; |
| 581 | 1832 |
| 1833 if (ev->write) { | |
| 1834 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1835 "http upstream process non buffered downstream"); | |
| 1836 c->log->action = "sending to client"; | |
| 1837 | |
| 1838 } else { | |
| 1839 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1840 "http upstream process non buffered upstream"); | |
| 1841 c->log->action = "reading upstream"; | |
| 1842 } | |
| 1843 | |
| 1844 if (ev->timedout) { | |
| 1845 if (ev->write) { | |
| 1846 c->timedout = 1; | |
| 611 | 1847 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
| 1848 | |
| 581 | 1849 } else { |
| 611 | 1850 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
| 581 | 1851 } |
|
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751
diff
changeset
|
1852 |
|
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751
diff
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|
1853 ngx_http_upstream_finalize_request(r, u, 0); |
|
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1854 return; |
| 581 | 1855 } |
| 1856 | |
| 884 | 1857 downstream = r->connection; |
| 1858 upstream = u->peer.connection; | |
| 581 | 1859 |
| 1860 b = &u->buffer; | |
| 1861 | |
| 1862 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1863 | |
| 657 | 1864 do_write = ev->write || u->length == 0; |
| 581 | 1865 |
| 1866 for ( ;; ) { | |
| 1867 | |
| 1868 if (do_write) { | |
| 1869 | |
| 1870 if (u->out_bufs || u->busy_bufs) { | |
| 583 | 1871 rc = ngx_http_output_filter(r, u->out_bufs); |
| 1872 | |
| 884 | 1873 if (downstream->destroyed) { |
| 583 | 1874 return; |
| 1875 } | |
| 1876 | |
| 1877 if (rc == NGX_ERROR) { | |
| 581 | 1878 ngx_http_upstream_finalize_request(r, u, 0); |
| 1879 return; | |
| 1880 } | |
| 1881 | |
| 1882 ngx_chain_update_chains(&u->free_bufs, &u->busy_bufs, | |
| 1883 &u->out_bufs, u->output.tag); | |
| 1884 } | |
| 1885 | |
| 1886 if (u->busy_bufs == NULL) { | |
| 1887 | |
| 1888 if (u->length == 0 | |
| 884 | 1889 || upstream->read->eof |
| 1890 || upstream->read->error) | |
| 581 | 1891 { |
| 1892 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1893 return; | |
| 1894 } | |
| 1895 | |
| 1896 b->pos = b->start; | |
| 1897 b->last = b->start; | |
| 1898 } | |
| 1899 } | |
| 1900 | |
| 1901 size = b->end - b->last; | |
| 1902 | |
| 1903 if (size > u->length) { | |
| 1904 size = u->length; | |
| 1905 } | |
| 1906 | |
| 884 | 1907 if (size && upstream->read->ready) { |
| 1908 | |
| 1909 n = upstream->recv(upstream, b->last, size); | |
| 581 | 1910 |
| 1911 if (n == NGX_AGAIN) { | |
| 1912 break; | |
| 1913 } | |
| 1914 | |
| 1915 if (n > 0) { | |
| 1916 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { | |
| 1917 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1918 return; | |
| 1919 } | |
| 1920 } | |
| 1921 | |
| 1922 do_write = 1; | |
| 1923 | |
| 1924 continue; | |
| 1925 } | |
| 1926 | |
| 1927 break; | |
| 1928 } | |
| 1929 | |
| 884 | 1930 if (downstream->data == r) { |
| 1931 if (ngx_handle_write_event(downstream->write, clcf->send_lowat) | |
| 583 | 1932 == NGX_ERROR) |
| 1933 { | |
| 1934 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1935 return; | |
| 1936 } | |
| 581 | 1937 } |
| 1938 | |
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1939 if (downstream->write->active && !downstream->write->ready) { |
| 884 | 1940 ngx_add_timer(downstream->write, clcf->send_timeout); |
| 1941 | |
| 1942 } else if (downstream->write->timer_set) { | |
| 1943 ngx_del_timer(downstream->write); | |
| 581 | 1944 } |
| 1945 | |
| 884 | 1946 if (ngx_handle_read_event(upstream->read, 0) == NGX_ERROR) { |
| 581 | 1947 ngx_http_upstream_finalize_request(r, u, 0); |
| 1948 return; | |
| 1949 } | |
| 1950 | |
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1951 if (upstream->read->active && !upstream->read->ready) { |
| 884 | 1952 ngx_add_timer(upstream->read, u->conf->read_timeout); |
| 1953 | |
| 1954 } else if (upstream->read->timer_set) { | |
| 1955 ngx_del_timer(upstream->read); | |
| 581 | 1956 } |
| 1957 } | |
| 1958 | |
| 1959 | |
| 1960 static ngx_int_t | |
| 1961 ngx_http_upstream_non_buffered_filter_init(void *data) | |
| 1962 { | |
| 1963 return NGX_OK; | |
| 1964 } | |
| 1965 | |
| 1966 | |
| 1967 static ngx_int_t | |
| 1968 ngx_http_upstream_non_buffered_filter(void *data, ssize_t bytes) | |
| 1969 { | |
| 1970 ngx_http_request_t *r = data; | |
| 1971 | |
| 1972 ngx_buf_t *b; | |
| 1973 ngx_chain_t *cl, **ll; | |
| 1974 ngx_http_upstream_t *u; | |
| 1975 | |
| 1976 u = r->upstream; | |
| 1977 | |
| 1978 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
| 1979 ll = &cl->next; | |
| 1980 } | |
| 1981 | |
| 1982 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
| 1983 if (cl == NULL) { | |
| 1984 return NGX_ERROR; | |
| 1985 } | |
| 1986 | |
| 1987 *ll = cl; | |
| 1988 | |
| 1989 cl->buf->flush = 1; | |
| 1990 cl->buf->memory = 1; | |
| 1991 | |
| 1992 b = &u->buffer; | |
| 1993 | |
| 1994 cl->buf->pos = b->last; | |
| 1995 b->last += bytes; | |
| 1996 cl->buf->last = b->last; | |
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1997 cl->buf->tag = u->output.tag; |
| 581 | 1998 |
| 1999 if (u->length == NGX_MAX_SIZE_T_VALUE) { | |
| 2000 return NGX_OK; | |
| 2001 } | |
| 2002 | |
| 2003 u->length -= bytes; | |
| 2004 | |
| 2005 return NGX_OK; | |
| 2006 } | |
| 2007 | |
| 2008 | |
| 2009 static void | |
| 509 | 2010 ngx_http_upstream_process_downstream(ngx_http_request_t *r) |
| 2011 { | |
| 2012 ngx_http_upstream_process_body(r->connection->write); | |
| 2013 } | |
| 2014 | |
| 2015 | |
| 2016 static void | |
| 487 | 2017 ngx_http_upstream_process_body(ngx_event_t *ev) |
| 479 | 2018 { |
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2019 ngx_temp_file_t *tf; |
| 509 | 2020 ngx_event_pipe_t *p; |
| 583 | 2021 ngx_connection_t *c, *downstream; |
| 1098 | 2022 ngx_http_log_ctx_t *ctx; |
| 479 | 2023 ngx_http_request_t *r; |
| 2024 ngx_http_upstream_t *u; | |
| 2025 | |
| 2026 c = ev->data; | |
| 2027 r = c->data; | |
| 2028 u = r->upstream; | |
| 583 | 2029 downstream = r->connection; |
| 479 | 2030 |
| 2031 if (ev->write) { | |
| 483 | 2032 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 2033 "http upstream process downstream"); | |
| 2034 c->log->action = "sending to client"; | |
| 577 | 2035 |
| 479 | 2036 } else { |
| 483 | 2037 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 2038 "http upstream process upstream"); | |
| 2039 c->log->action = "reading upstream"; | |
| 1098 | 2040 |
| 2041 ctx = c->log->data; | |
| 2042 ctx->current_request = r; | |
| 479 | 2043 } |
| 577 | 2044 |
| 581 | 2045 p = u->pipe; |
| 479 | 2046 |
| 2047 if (ev->timedout) { | |
| 2048 if (ev->write) { | |
| 527 | 2049 if (ev->delayed) { |
| 2050 | |
| 2051 ev->timedout = 0; | |
| 2052 ev->delayed = 0; | |
| 2053 | |
| 2054 if (!ev->ready) { | |
| 2055 ngx_add_timer(ev, p->send_timeout); | |
| 2056 | |
| 2057 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) | |
| 2058 { | |
| 2059 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2060 return; | |
| 2061 } | |
| 2062 | |
| 2063 return; | |
| 2064 } | |
| 2065 | |
| 2066 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { | |
| 583 | 2067 |
| 2068 if (downstream->destroyed) { | |
| 2069 return; | |
| 2070 } | |
| 2071 | |
| 527 | 2072 ngx_http_upstream_finalize_request(r, u, 0); |
| 2073 return; | |
| 2074 } | |
| 2075 | |
| 2076 } else { | |
| 2077 p->downstream_error = 1; | |
| 577 | 2078 c->timedout = 1; |
| 611 | 2079 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
| 527 | 2080 } |
| 479 | 2081 |
| 2082 } else { | |
| 577 | 2083 p->upstream_error = 1; |
| 611 | 2084 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
| 479 | 2085 } |
| 2086 | |
| 2087 } else { | |
| 527 | 2088 if (ev->write && ev->delayed) { |
| 2089 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 2090 "http downstream delayed"); | |
| 2091 | |
| 2092 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) { | |
| 2093 return; | |
| 2094 } | |
| 2095 | |
| 2096 return; | |
| 2097 } | |
| 2098 | |
| 479 | 2099 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { |
| 583 | 2100 |
| 2101 if (downstream->destroyed) { | |
| 2102 return; | |
| 2103 } | |
| 2104 | |
| 479 | 2105 ngx_http_upstream_finalize_request(r, u, 0); |
| 2106 return; | |
| 2107 } | |
| 2108 } | |
| 577 | 2109 |
| 479 | 2110 if (u->peer.connection) { |
| 2111 | |
|
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|
2112 if (u->store) { |
|
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|
2113 |
|
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|
2114 tf = u->pipe->temp_file; |
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2115 |
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2116 if (p->upstream_eof |
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|
2117 && u->headers_in.status_n == NGX_HTTP_OK |
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2118 && (u->headers_in.content_length_n == -1 |
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|
2119 || (u->headers_in.content_length_n == tf->offset))) |
|
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|
2120 { |
|
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2121 ngx_http_upstream_store(r, u); |
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|
2122 |
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2123 } else if ((p->upstream_error |
|
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|
2124 || (p->upstream_eof |
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|
2125 && u->headers_in.status_n != NGX_HTTP_OK)) |
|
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2126 && tf->file.fd != NGX_INVALID_FILE) |
|
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2127 { |
|
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2128 if (ngx_delete_file(tf->file.name.data) == NGX_FILE_ERROR) { |
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|
2129 |
|
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2130 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
|
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|
2131 ngx_delete_file_n " \"%s\" failed", |
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|
2132 u->pipe->temp_file->file.name.data); |
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|
2133 } |
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|
2134 } |
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2135 } |
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|
2136 |
| 479 | 2137 #if (NGX_HTTP_FILE_CACHE) |
| 2138 | |
| 1565 | 2139 if (p->upstream_done && u->cacheable) { |
| 479 | 2140 if (ngx_http_cache_update(r) == NGX_ERROR) { |
| 2141 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2142 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2143 return; | |
| 2144 } | |
| 2145 | |
| 1565 | 2146 } else if (p->upstream_eof && u->cacheable) { |
| 479 | 2147 |
| 2148 /* TODO: check length & update cache */ | |
| 2149 | |
| 2150 if (ngx_http_cache_update(r) == NGX_ERROR) { | |
| 2151 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2152 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2153 return; | |
| 2154 } | |
| 2155 } | |
| 2156 | |
| 2157 #endif | |
| 2158 | |
| 2159 if (p->upstream_done || p->upstream_eof || p->upstream_error) { | |
| 483 | 2160 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 2161 "http upstream exit: %p", p->out); | |
| 479 | 2162 #if 0 |
| 2163 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2164 #endif | |
| 2165 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2166 return; | |
| 2167 } | |
| 2168 } | |
| 2169 | |
| 2170 if (p->downstream_error) { | |
| 483 | 2171 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 2172 "http upstream downstream error"); | |
| 479 | 2173 |
| 1565 | 2174 if (!u->cacheable && u->peer.connection) { |
| 479 | 2175 ngx_http_upstream_finalize_request(r, u, 0); |
| 2176 } | |
| 2177 } | |
| 2178 } | |
| 2179 | |
| 2180 | |
| 487 | 2181 static void |
|
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2182 ngx_http_upstream_store(ngx_http_request_t *r, ngx_http_upstream_t *u) |
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2183 { |
|
1947
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|
2184 size_t root; |
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2185 time_t lm; |
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2186 ngx_str_t path; |
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2187 ngx_temp_file_t *tf; |
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|
2188 ngx_ext_rename_file_t ext; |
|
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2189 |
| 1777 | 2190 tf = u->pipe->temp_file; |
| 2191 | |
| 2192 if (tf->file.fd == NGX_INVALID_FILE) { | |
|
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2193 |
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2194 /* create file for empty 200 response */ |
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2195 |
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2196 tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
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2197 if (tf == NULL) { |
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2198 return; |
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2199 } |
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2200 |
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2201 tf->file.fd = NGX_INVALID_FILE; |
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2202 tf->file.log = r->connection->log; |
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2203 tf->path = u->conf->temp_path; |
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2204 tf->pool = r->pool; |
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2205 tf->persistent = 1; |
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2206 |
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|
2207 if (ngx_create_temp_file(&tf->file, tf->path, tf->pool, |
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2208 tf->persistent, tf->clean, tf->access) |
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|
2209 != NGX_OK) |
|
13a4ce6e7f1e
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|
2210 { |
|
13a4ce6e7f1e
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|
2211 return; |
|
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proxy_store and fastcgi_store
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|
2212 } |
|
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|
2213 |
|
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2214 u->pipe->temp_file = tf; |
|
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2215 } |
|
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|
2216 |
|
1947
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|
2217 ext.access = u->conf->store_access; |
|
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2218 ext.time = -1; |
|
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2219 ext.create_path = 1; |
|
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2220 ext.delete_file = 1; |
|
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use ngx_ext_rename_file() in proxy/fastcgi_store
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2221 ext.log = r->connection->log; |
|
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2222 |
| 1705 | 2223 if (u->headers_in.last_modified) { |
| 2224 | |
|
1947
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|
2225 lm = ngx_http_parse_time(u->headers_in.last_modified->value.data, |
|
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|
2226 u->headers_in.last_modified->value.len); |
|
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|
2227 |
|
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2228 if (lm != NGX_ERROR) { |
|
1947
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2229 ext.time = lm; |
|
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use ngx_ext_rename_file() in proxy/fastcgi_store
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2230 ext.fd = tf->file.fd; |
|
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2231 } |
|
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|
2232 } |
|
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|
2233 |
|
1295
5383f5232364
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|
2234 if (u->conf->store_lengths == NULL) { |
|
5383f5232364
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|
2235 |
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5383f5232364
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|
2236 ngx_http_map_uri_to_path(r, &path, &root, 0); |
|
5383f5232364
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|
2237 |
|
5383f5232364
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|
2238 } else { |
|
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|
2239 if (ngx_http_script_run(r, &path, u->conf->store_lengths->elts, 0, |
|
5383f5232364
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|
2240 u->conf->store_values->elts) |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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|
2241 == NULL) |
|
5383f5232364
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|
2242 { |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
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|
2243 return; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
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|
2244 } |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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|
2245 } |
|
1291
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|
2246 |
|
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2247 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
|
1947
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|
2248 "upstream stores \"%s\" to \"%s\"", |
|
94b03bbd328e
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|
2249 tf->file.name.data, path.data); |
|
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use ngx_ext_rename_file() in proxy/fastcgi_store
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|
2250 |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
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parents:
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|
2251 (void) ngx_ext_rename_file(&tf->file.name, &path, &ext); |
|
1291
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|
2252 } |
|
13a4ce6e7f1e
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|
2253 |
|
13a4ce6e7f1e
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|
2254 |
|
13a4ce6e7f1e
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|
2255 static void |
| 487 | 2256 ngx_http_upstream_dummy_handler(ngx_event_t *wev) |
| 479 | 2257 { |
| 2258 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
| 2259 "http upstream dummy handler"); | |
| 2260 } | |
| 2261 | |
| 2262 | |
| 487 | 2263 static void |
| 2264 ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u, | |
| 2265 ngx_uint_t ft_type) | |
| 479 | 2266 { |
| 884 | 2267 ngx_uint_t status, state; |
| 479 | 2268 |
| 2269 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 884 | 2270 "http next upstream, %xi", ft_type); |
| 479 | 2271 |
| 2272 #if 0 | |
| 2273 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2274 #endif | |
| 2275 | |
| 525 | 2276 if (ft_type == NGX_HTTP_UPSTREAM_FT_HTTP_404) { |
| 884 | 2277 state = NGX_PEER_NEXT; |
| 525 | 2278 } else { |
| 884 | 2279 state = NGX_PEER_FAILED; |
| 479 | 2280 } |
| 525 | 2281 |
| 1378 | 2282 if (ft_type != NGX_HTTP_UPSTREAM_FT_NOLIVE) { |
| 2283 u->peer.free(&u->peer, u->peer.data, state); | |
| 2284 } | |
| 525 | 2285 |
| 479 | 2286 if (ft_type == NGX_HTTP_UPSTREAM_FT_TIMEOUT) { |
| 2287 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ETIMEDOUT, | |
| 2288 "upstream timed out"); | |
| 2289 } | |
| 577 | 2290 |
| 479 | 2291 if (u->peer.cached && ft_type == NGX_HTTP_UPSTREAM_FT_ERROR) { |
| 2292 status = 0; | |
| 2293 | |
| 2294 } else { | |
| 2295 switch(ft_type) { | |
| 2296 | |
| 2297 case NGX_HTTP_UPSTREAM_FT_TIMEOUT: | |
| 2298 status = NGX_HTTP_GATEWAY_TIME_OUT; | |
| 2299 break; | |
| 2300 | |
| 2301 case NGX_HTTP_UPSTREAM_FT_HTTP_500: | |
| 2302 status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 2303 break; | |
| 2304 | |
| 2305 case NGX_HTTP_UPSTREAM_FT_HTTP_404: | |
| 2306 status = NGX_HTTP_NOT_FOUND; | |
| 2307 break; | |
| 2308 | |
| 2309 /* | |
| 2310 * NGX_HTTP_UPSTREAM_FT_BUSY_LOCK and NGX_HTTP_UPSTREAM_FT_MAX_WAITING | |
| 2311 * never reach here | |
| 2312 */ | |
| 2313 | |
| 2314 default: | |
| 2315 status = NGX_HTTP_BAD_GATEWAY; | |
| 2316 } | |
| 2317 } | |
| 2318 | |
| 583 | 2319 if (r->connection->error) { |
| 479 | 2320 ngx_http_upstream_finalize_request(r, u, |
| 2321 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 2322 return; | |
| 2323 } | |
| 2324 | |
| 2325 if (status) { | |
| 2326 u->state->status = status; | |
| 2327 | |
| 525 | 2328 if (u->peer.tries == 0 || !(u->conf->next_upstream & ft_type)) { |
| 479 | 2329 |
| 2330 #if (NGX_HTTP_CACHE) | |
| 2331 | |
| 2332 if (u->stale && (u->conf->use_stale & ft_type)) { | |
| 2333 ngx_http_upstream_finalize_request(r, u, | |
| 525 | 2334 ngx_http_send_cached_response(r)); |
| 479 | 2335 return; |
| 2336 } | |
| 2337 | |
| 2338 #endif | |
| 2339 | |
| 2340 ngx_http_upstream_finalize_request(r, u, status); | |
| 2341 return; | |
| 2342 } | |
| 2343 } | |
| 2344 | |
| 2345 if (u->peer.connection) { | |
| 2346 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2347 "close http upstream connection: %d", | |
| 2348 u->peer.connection->fd); | |
| 577 | 2349 #if (NGX_HTTP_SSL) |
| 884 | 2350 |
| 577 | 2351 if (u->peer.connection->ssl) { |
| 884 | 2352 u->peer.connection->ssl->no_wait_shutdown = 1; |
| 2353 u->peer.connection->ssl->no_send_shutdown = 1; | |
| 2354 | |
| 2355 (void) ngx_ssl_shutdown(u->peer.connection); | |
| 577 | 2356 } |
| 2357 #endif | |
| 884 | 2358 |
| 479 | 2359 ngx_close_connection(u->peer.connection); |
| 2360 } | |
| 2361 | |
| 2362 #if 0 | |
| 2363 if (u->conf->busy_lock && !u->busy_locked) { | |
| 2364 ngx_http_upstream_busy_lock(p); | |
| 2365 return; | |
| 2366 } | |
| 2367 #endif | |
| 2368 | |
| 2369 ngx_http_upstream_connect(r, u); | |
| 2370 } | |
| 2371 | |
| 2372 | |
| 487 | 2373 static void |
| 569 | 2374 ngx_http_upstream_cleanup(void *data) |
| 2375 { | |
| 2376 ngx_http_request_t *r = data; | |
| 2377 | |
| 1705 | 2378 ngx_http_upstream_t *u; |
| 2379 | |
| 569 | 2380 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2381 "cleanup http upstream request: \"%V\"", &r->uri); | |
| 2382 | |
| 1705 | 2383 u = r->upstream; |
| 2384 | |
| 2385 if (u->resolved && u->resolved->ctx) { | |
| 2386 ngx_resolve_name_done(u->resolved->ctx); | |
| 1658 | 2387 } |
| 2388 | |
| 1705 | 2389 ngx_http_upstream_finalize_request(r, u, NGX_DONE); |
| 569 | 2390 } |
| 2391 | |
| 2392 | |
| 2393 static void | |
| 487 | 2394 ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
| 2395 ngx_http_upstream_t *u, ngx_int_t rc) | |
| 479 | 2396 { |
|
889
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|
2397 ngx_time_t *tp; |
| 563 | 2398 |
| 483 | 2399 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2400 "finalize http upstream request: %i", rc); | |
| 479 | 2401 |
| 569 | 2402 *u->cleanup = NULL; |
| 2403 | |
| 1658 | 2404 if (u->state && u->state->response_sec) { |
| 563 | 2405 tp = ngx_timeofday(); |
|
889
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|
2406 u->state->response_sec = tp->sec - u->state->response_sec; |
|
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|
2407 u->state->response_msec = tp->msec - u->state->response_msec; |
| 563 | 2408 } |
| 2409 | |
| 479 | 2410 u->finalize_request(r, rc); |
| 2411 | |
| 1658 | 2412 if (u->peer.free) { |
| 2413 u->peer.free(&u->peer, u->peer.data, 0); | |
| 2414 } | |
| 884 | 2415 |
| 479 | 2416 if (u->peer.connection) { |
| 884 | 2417 |
| 577 | 2418 #if (NGX_HTTP_SSL) |
| 2419 | |
| 2420 /* TODO: do not shutdown persistent connection */ | |
| 2421 | |
| 2422 if (u->peer.connection->ssl) { | |
| 884 | 2423 |
| 2424 /* | |
| 2425 * We send the "close notify" shutdown alert to the upstream only | |
| 2426 * and do not wait its "close notify" shutdown alert. | |
| 2427 * It is acceptable according to the TLS standard. | |
| 2428 */ | |
| 2429 | |
| 2430 u->peer.connection->ssl->no_wait_shutdown = 1; | |
| 2431 | |
| 2432 (void) ngx_ssl_shutdown(u->peer.connection); | |
| 577 | 2433 } |
| 2434 #endif | |
| 884 | 2435 |
| 2436 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2437 "close http upstream connection: %d", | |
| 2438 u->peer.connection->fd); | |
| 2439 | |
| 479 | 2440 ngx_close_connection(u->peer.connection); |
| 2441 } | |
| 2442 | |
| 483 | 2443 u->peer.connection = NULL; |
| 2444 | |
| 563 | 2445 if (u->header_sent && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE)) |
| 479 | 2446 { |
| 2447 rc = 0; | |
| 2448 } | |
| 2449 | |
| 581 | 2450 if (u->pipe && u->pipe->temp_file) { |
| 479 | 2451 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2452 "http upstream temp fd: %d", | |
| 581 | 2453 u->pipe->temp_file->file.fd); |
| 479 | 2454 } |
| 2455 | |
| 2456 #if 0 | |
| 2457 if (u->cache) { | |
| 2458 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 483 | 2459 "http upstream cache fd: %d", |
| 479 | 2460 u->cache->ctx.file.fd); |
| 2461 } | |
| 2462 #endif | |
| 2463 | |
| 515 | 2464 if (rc == NGX_DECLINED) { |
| 2465 return; | |
| 2466 } | |
| 2467 | |
| 483 | 2468 r->connection->log->action = "sending to client"; |
| 2469 | |
|
1259
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2470 if (rc == 0) { |
|
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2471 if (r == r->main) { |
|
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|
2472 if (!r->post_action) { |
|
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|
2473 rc = ngx_http_send_special(r, NGX_HTTP_LAST); |
|
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|
2474 } |
|
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|
2475 |
|
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|
2476 } else { |
|
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|
2477 if (r->out) { |
|
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|
2478 rc = NGX_AGAIN; |
|
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|
2479 } |
|
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|
2480 } |
| 479 | 2481 } |
| 2482 | |
| 2483 ngx_http_finalize_request(r, rc); | |
| 2484 } | |
| 2485 | |
| 2486 | |
| 509 | 2487 static ngx_int_t |
| 2488 ngx_http_upstream_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2489 ngx_uint_t offset) | |
| 577 | 2490 { |
| 509 | 2491 ngx_table_elt_t **ph; |
| 577 | 2492 |
| 509 | 2493 ph = (ngx_table_elt_t **) ((char *) &r->upstream->headers_in + offset); |
| 2494 | |
| 2495 if (*ph == NULL) { | |
| 2496 *ph = h; | |
| 2497 } | |
| 2498 | |
| 2499 return NGX_OK; | |
| 2500 } | |
| 2501 | |
| 2502 | |
| 2503 static ngx_int_t | |
| 2504 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
| 2505 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2506 { | |
| 2507 ngx_array_t *pa; | |
| 2508 ngx_table_elt_t **ph; | |
| 2509 | |
| 2510 pa = (ngx_array_t *) ((char *) &r->upstream->headers_in + offset); | |
| 2511 | |
| 2512 if (pa->elts == NULL) { | |
| 2513 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
| 2514 { | |
| 2515 return NGX_ERROR; | |
| 2516 } | |
| 2517 } | |
| 2518 | |
| 2519 ph = ngx_array_push(pa); | |
| 2520 if (ph == NULL) { | |
| 2521 return NGX_ERROR; | |
| 2522 } | |
| 2523 | |
| 2524 *ph = h; | |
| 2525 | |
| 2526 return NGX_OK; | |
| 2527 } | |
| 2528 | |
| 2529 | |
| 2530 static ngx_int_t | |
| 2531 ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2532 ngx_uint_t offset) | |
| 2533 { | |
| 2534 return NGX_OK; | |
| 2535 } | |
| 2536 | |
| 2537 | |
| 2538 static ngx_int_t | |
| 527 | 2539 ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2540 ngx_uint_t offset) | |
| 577 | 2541 { |
| 527 | 2542 ngx_int_t n; |
| 2543 | |
| 2544 r->upstream->headers_in.x_accel_limit_rate = h; | |
| 2545 | |
| 2546 n = ngx_atoi(h->value.data, h->value.len); | |
| 2547 | |
| 2548 if (n != NGX_ERROR) { | |
| 2549 r->limit_rate = (size_t) n; | |
| 2550 } | |
| 2551 | |
| 2552 return NGX_OK; | |
| 2553 } | |
| 2554 | |
| 2555 | |
| 2556 static ngx_int_t | |
| 649 | 2557 ngx_http_upstream_process_buffering(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2558 ngx_uint_t offset) | |
| 2559 { | |
| 2560 u_char c0, c1, c2; | |
| 2561 | |
| 2562 if (r->upstream->conf->change_buffering) { | |
| 2563 | |
| 2564 if (h->value.len == 2) { | |
| 2565 c0 = ngx_tolower(h->value.data[0]); | |
| 2566 c1 = ngx_tolower(h->value.data[1]); | |
| 2567 | |
| 2568 if (c0 == 'n' && c1 == 'o') { | |
| 2569 r->upstream->buffering = 0; | |
| 2570 } | |
| 2571 | |
| 2572 } else if (h->value.len == 3) { | |
| 2573 c0 = ngx_tolower(h->value.data[0]); | |
| 2574 c1 = ngx_tolower(h->value.data[1]); | |
| 2575 c2 = ngx_tolower(h->value.data[2]); | |
| 2576 | |
| 2577 if (c0 == 'y' && c1 == 'e' && c2 == 's') { | |
| 2578 r->upstream->buffering = 1; | |
| 2579 } | |
| 2580 } | |
| 2581 } | |
| 2582 | |
| 2583 return NGX_OK; | |
| 2584 } | |
| 2585 | |
| 2586 | |
| 2587 static ngx_int_t | |
| 657 | 2588 ngx_http_upstream_process_charset(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2589 ngx_uint_t offset) | |
| 2590 { | |
| 2591 r->headers_out.override_charset = &h->value; | |
| 2592 | |
| 2593 return NGX_OK; | |
| 2594 } | |
| 2595 | |
| 2596 | |
| 2597 static ngx_int_t | |
| 509 | 2598 ngx_http_upstream_copy_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2599 ngx_uint_t offset) | |
| 2600 { | |
| 573 | 2601 ngx_table_elt_t *ho, **ph; |
| 509 | 2602 |
| 2603 ho = ngx_list_push(&r->headers_out.headers); | |
| 2604 if (ho == NULL) { | |
| 2605 return NGX_ERROR; | |
| 2606 } | |
| 2607 | |
| 2608 *ho = *h; | |
| 2609 | |
| 573 | 2610 if (offset) { |
| 2611 ph = (ngx_table_elt_t **) ((char *) &r->headers_out + offset); | |
| 2612 *ph = ho; | |
| 2613 } | |
| 2614 | |
| 509 | 2615 return NGX_OK; |
| 2616 } | |
| 2617 | |
| 2618 | |
| 2619 static ngx_int_t | |
| 2620 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
| 2621 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2622 { | |
| 2623 ngx_array_t *pa; | |
| 2624 ngx_table_elt_t *ho, **ph; | |
| 2625 | |
| 2626 pa = (ngx_array_t *) ((char *) &r->headers_out + offset); | |
| 2627 | |
| 2628 if (pa->elts == NULL) { | |
| 2629 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
| 2630 { | |
| 2631 return NGX_ERROR; | |
| 2632 } | |
| 2633 } | |
| 2634 | |
| 2635 ph = ngx_array_push(pa); | |
| 2636 if (ph == NULL) { | |
| 2637 return NGX_ERROR; | |
| 2638 } | |
| 2639 | |
| 2640 ho = ngx_list_push(&r->headers_out.headers); | |
| 2641 if (ho == NULL) { | |
| 2642 return NGX_ERROR; | |
| 2643 } | |
| 2644 | |
| 2645 *ho = *h; | |
| 2646 *ph = ho; | |
| 2647 | |
| 2648 return NGX_OK; | |
| 2649 } | |
| 2650 | |
| 2651 | |
| 2652 static ngx_int_t | |
| 2653 ngx_http_upstream_copy_content_type(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2654 ngx_uint_t offset) | |
| 2655 { | |
| 657 | 2656 u_char *p, *last; |
| 2657 | |
| 2658 r->headers_out.content_type_len = h->value.len; | |
| 509 | 2659 r->headers_out.content_type = h->value; |
| 2660 | |
| 657 | 2661 for (p = h->value.data; *p; p++) { |
| 2662 | |
| 2663 if (*p != ';') { | |
| 2664 continue; | |
| 2665 } | |
| 2666 | |
| 2667 last = p; | |
| 2668 | |
| 2669 while (*++p == ' ') { /* void */ } | |
| 2670 | |
| 1968 | 2671 if (*p == '\0') { |
| 2672 return NGX_OK; | |
| 2673 } | |
| 2674 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1098
diff
changeset
|
2675 if (ngx_strncasecmp(p, (u_char *) "charset=", 8) != 0) { |
| 657 | 2676 continue; |
| 2677 } | |
| 2678 | |
| 2679 p += 8; | |
| 2680 | |
| 2681 r->headers_out.content_type_len = last - h->value.data; | |
| 2682 | |
| 2244 | 2683 if (*p == '"') { |
| 2684 p++; | |
| 2685 } | |
| 2686 | |
| 2687 last = h->value.data + h->value.len; | |
| 2688 | |
| 2689 if (*(last - 1) == '"') { | |
| 2690 last--; | |
| 2691 } | |
| 2692 | |
| 2693 r->headers_out.charset.len = last - p; | |
| 657 | 2694 r->headers_out.charset.data = p; |
|
1143
c6c42497106c
fix segfault if upstream sends trailing ";" in "charset="
Igor Sysoev <igor@sysoev.ru>
parents:
1109
diff
changeset
|
2695 |
|
c6c42497106c
fix segfault if upstream sends trailing ";" in "charset="
Igor Sysoev <igor@sysoev.ru>
parents:
1109
diff
changeset
|
2696 return NGX_OK; |
| 657 | 2697 } |
| 2698 | |
| 509 | 2699 return NGX_OK; |
| 2700 } | |
| 2701 | |
| 2702 | |
| 2703 static ngx_int_t | |
| 2704 ngx_http_upstream_copy_content_length(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2705 ngx_uint_t offset) | |
| 2706 { | |
| 2707 ngx_table_elt_t *ho; | |
| 2708 | |
| 2709 ho = ngx_list_push(&r->headers_out.headers); | |
| 2710 if (ho == NULL) { | |
| 2711 return NGX_ERROR; | |
| 2712 } | |
| 2713 | |
| 2714 *ho = *h; | |
| 2715 | |
| 2716 r->headers_out.content_length = ho; | |
| 2717 r->headers_out.content_length_n = ngx_atoof(h->value.data, h->value.len); | |
| 2718 | |
| 2719 return NGX_OK; | |
| 2720 } | |
| 2721 | |
| 2722 | |
| 2723 static ngx_int_t | |
| 2724 ngx_http_upstream_rewrite_location(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2725 ngx_uint_t offset) | |
| 2726 { | |
| 2727 ngx_int_t rc; | |
| 2728 ngx_table_elt_t *ho; | |
| 2729 | |
| 2730 ho = ngx_list_push(&r->headers_out.headers); | |
| 2731 if (ho == NULL) { | |
| 2732 return NGX_ERROR; | |
| 2733 } | |
| 2734 | |
| 2735 *ho = *h; | |
| 2736 | |
| 2737 if (r->upstream->rewrite_redirect) { | |
| 2738 rc = r->upstream->rewrite_redirect(r, ho, 0); | |
| 2739 | |
| 529 | 2740 if (rc == NGX_DECLINED) { |
| 2741 return NGX_OK; | |
| 2742 } | |
| 2743 | |
| 509 | 2744 if (rc == NGX_OK) { |
| 2745 r->headers_out.location = ho; | |
| 2746 | |
| 2747 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2748 "rewritten location: \"%V\"", &ho->value); | |
| 2749 } | |
| 2750 | |
| 2751 return rc; | |
| 2752 } | |
| 2753 | |
|
1653
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2754 if (ho->value.data[0] != '/') { |
|
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2755 r->headers_out.location = ho; |
|
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2756 } |
|
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2757 |
| 509 | 2758 /* |
| 2759 * we do not set r->headers_out.location here to avoid the handling | |
| 2760 * the local redirects without a host name by ngx_http_header_filter() | |
| 2761 */ | |
| 2762 | |
| 2763 return NGX_OK; | |
| 2764 } | |
| 2765 | |
| 2766 | |
| 2767 static ngx_int_t | |
| 2768 ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2769 ngx_uint_t offset) | |
| 2770 { | |
| 2771 u_char *p; | |
| 2772 ngx_int_t rc; | |
| 2773 ngx_table_elt_t *ho; | |
| 2774 | |
| 2775 ho = ngx_list_push(&r->headers_out.headers); | |
| 2776 if (ho == NULL) { | |
| 2777 return NGX_ERROR; | |
| 2778 } | |
| 2779 | |
| 2780 *ho = *h; | |
| 2781 | |
| 2782 if (r->upstream->rewrite_redirect) { | |
| 2783 | |
| 1549 | 2784 p = ngx_strcasestrn(ho->value.data, "url=", 4 - 1); |
| 509 | 2785 |
| 2786 if (p) { | |
| 2787 rc = r->upstream->rewrite_redirect(r, ho, p + 4 - ho->value.data); | |
| 2788 | |
| 2789 } else { | |
| 2790 return NGX_OK; | |
| 2791 } | |
| 2792 | |
| 529 | 2793 if (rc == NGX_DECLINED) { |
| 2794 return NGX_OK; | |
| 2795 } | |
| 2796 | |
| 509 | 2797 if (rc == NGX_OK) { |
| 1654 | 2798 r->headers_out.refresh = ho; |
| 2799 | |
| 509 | 2800 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2801 "rewritten refresh: \"%V\"", &ho->value); | |
| 2802 } | |
| 2803 | |
| 2804 return rc; | |
| 2805 } | |
| 2806 | |
| 1654 | 2807 r->headers_out.refresh = ho; |
| 2808 | |
| 509 | 2809 return NGX_OK; |
| 2810 } | |
| 2811 | |
| 2812 | |
| 2813 #if (NGX_HTTP_GZIP) | |
| 2814 | |
| 2815 static ngx_int_t | |
| 2816 ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
| 2817 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2818 { | |
| 2819 ngx_table_elt_t *ho; | |
| 2820 | |
| 2821 ho = ngx_list_push(&r->headers_out.headers); | |
| 2822 if (ho == NULL) { | |
| 2823 return NGX_ERROR; | |
| 2824 } | |
| 2825 | |
| 2826 *ho = *h; | |
| 2827 | |
| 2828 r->headers_out.content_encoding = ho; | |
| 2829 | |
| 2830 return NGX_OK; | |
| 2831 } | |
| 2832 | |
| 2833 #endif | |
| 2834 | |
| 2835 | |
| 487 | 2836 static ngx_int_t |
| 573 | 2837 ngx_http_upstream_add_variables(ngx_conf_t *cf) |
| 479 | 2838 { |
| 880 | 2839 ngx_http_variable_t *var, *v; |
| 479 | 2840 |
| 573 | 2841 for (v = ngx_http_upstream_vars; v->name.len; v++) { |
| 2842 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
| 2843 if (var == NULL) { | |
| 2844 return NGX_ERROR; | |
| 2845 } | |
| 2846 | |
| 637 | 2847 var->get_handler = v->get_handler; |
| 573 | 2848 var->data = v->data; |
| 2849 } | |
| 2850 | |
| 479 | 2851 return NGX_OK; |
| 2852 } | |
| 509 | 2853 |
| 2854 | |
| 573 | 2855 static ngx_int_t |
| 1181 | 2856 ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
| 2857 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2858 { | |
| 2859 u_char *p; | |
| 2860 size_t len; | |
| 2861 ngx_uint_t i; | |
| 2862 ngx_http_upstream_state_t *state; | |
| 2863 | |
| 2864 v->valid = 1; | |
| 1565 | 2865 v->no_cacheable = 0; |
| 1181 | 2866 v->not_found = 0; |
| 2867 | |
| 2868 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { | |
| 2869 v->not_found = 1; | |
| 2870 return NGX_OK; | |
| 2871 } | |
| 2872 | |
| 2873 len = 0; | |
| 2874 state = r->upstream_states->elts; | |
| 2875 | |
| 2876 for (i = 0; i < r->upstream_states->nelts; i++) { | |
| 2877 if (state[i].peer) { | |
| 2878 len += state[i].peer->len + 2; | |
| 2879 | |
| 2880 } else { | |
| 2881 len += 3; | |
| 2882 } | |
| 2883 } | |
| 2884 | |
| 2049 | 2885 p = ngx_pnalloc(r->pool, len); |
| 1181 | 2886 if (p == NULL) { |
| 2887 return NGX_ERROR; | |
| 2888 } | |
| 2889 | |
| 2890 v->data = p; | |
| 2891 | |
| 2892 i = 0; | |
| 2893 | |
| 2894 for ( ;; ) { | |
| 2895 if (state[i].peer) { | |
| 2896 p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len); | |
| 2897 } | |
| 2898 | |
| 2899 if (++i == r->upstream_states->nelts) { | |
| 2900 break; | |
| 2901 } | |
| 2902 | |
| 2903 if (state[i].peer) { | |
| 2904 *p++ = ','; | |
| 2905 *p++ = ' '; | |
| 2906 | |
| 2907 } else { | |
| 2908 *p++ = ' '; | |
| 2909 *p++ = ':'; | |
| 2910 *p++ = ' '; | |
| 2911 | |
| 2912 if (++i == r->upstream_states->nelts) { | |
| 2913 break; | |
| 2914 } | |
| 2915 | |
| 2916 continue; | |
| 2917 } | |
| 2918 } | |
| 2919 | |
| 2920 v->len = p - v->data; | |
| 2921 | |
| 2922 return NGX_OK; | |
| 2923 } | |
| 2924 | |
| 2925 | |
| 2926 static ngx_int_t | |
| 573 | 2927 ngx_http_upstream_status_variable(ngx_http_request_t *r, |
| 2928 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2929 { | |
| 2930 u_char *p; | |
| 2931 size_t len; | |
| 2932 ngx_uint_t i; | |
| 2933 ngx_http_upstream_state_t *state; | |
| 2934 | |
| 2935 v->valid = 1; | |
| 1565 | 2936 v->no_cacheable = 0; |
| 573 | 2937 v->not_found = 0; |
| 2938 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2939 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
| 573 | 2940 v->not_found = 1; |
| 2941 return NGX_OK; | |
| 2942 } | |
| 2943 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2944 len = r->upstream_states->nelts * (3 + 2); |
| 573 | 2945 |
| 2049 | 2946 p = ngx_pnalloc(r->pool, len); |
| 573 | 2947 if (p == NULL) { |
| 2948 return NGX_ERROR; | |
| 2949 } | |
| 2950 | |
| 2951 v->data = p; | |
| 2952 | |
| 2953 i = 0; | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2954 state = r->upstream_states->elts; |
| 573 | 2955 |
| 2956 for ( ;; ) { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2957 if (state[i].status) { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2958 p = ngx_sprintf(p, "%ui", state[i].status); |
| 573 | 2959 |
| 2960 } else { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2961 *p++ = '-'; |
| 573 | 2962 } |
| 2963 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2964 if (++i == r->upstream_states->nelts) { |
| 573 | 2965 break; |
| 2966 } | |
| 2967 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2968 if (state[i].peer) { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2969 *p++ = ','; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2970 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2971 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2972 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2973 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2974 *p++ = ':'; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2975 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2976 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2977 if (++i == r->upstream_states->nelts) { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2978 break; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2979 } |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2980 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2981 continue; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2982 } |
| 573 | 2983 } |
| 2984 | |
| 2985 v->len = p - v->data; | |
| 2986 | |
| 2987 return NGX_OK; | |
| 2988 } | |
| 2989 | |
| 2990 | |
| 2991 static ngx_int_t | |
| 2992 ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
| 2993 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2994 { | |
| 2995 u_char *p; | |
| 2996 size_t len; | |
| 2997 ngx_uint_t i; | |
|
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2998 ngx_msec_int_t ms; |
| 573 | 2999 ngx_http_upstream_state_t *state; |
| 3000 | |
| 3001 v->valid = 1; | |
| 1565 | 3002 v->no_cacheable = 0; |
| 573 | 3003 v->not_found = 0; |
| 3004 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3005 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
| 573 | 3006 v->not_found = 1; |
| 3007 return NGX_OK; | |
| 3008 } | |
| 3009 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3010 len = r->upstream_states->nelts * (NGX_TIME_T_LEN + 4 + 2); |
| 573 | 3011 |
| 2049 | 3012 p = ngx_pnalloc(r->pool, len); |
| 573 | 3013 if (p == NULL) { |
| 3014 return NGX_ERROR; | |
| 3015 } | |
| 3016 | |
| 3017 v->data = p; | |
| 3018 | |
| 3019 i = 0; | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3020 state = r->upstream_states->elts; |
| 573 | 3021 |
| 3022 for ( ;; ) { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3023 if (state[i].status) { |
| 1640 | 3024 ms = (ngx_msec_int_t) |
| 3025 (state[i].response_sec * 1000 + state[i].response_msec); | |
|
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
3026 ms = (ms >= 0) ? ms : 0; |
|
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
3027 p = ngx_sprintf(p, "%d.%03d", ms / 1000, ms % 1000); |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3028 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3029 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3030 *p++ = '-'; |
| 573 | 3031 } |
| 3032 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3033 if (++i == r->upstream_states->nelts) { |
| 573 | 3034 break; |
| 3035 } | |
| 3036 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3037 if (state[i].peer) { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3038 *p++ = ','; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3039 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3040 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3041 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3042 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3043 *p++ = ':'; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3044 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3045 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3046 if (++i == r->upstream_states->nelts) { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3047 break; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3048 } |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3049 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3050 continue; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3051 } |
| 573 | 3052 } |
| 3053 | |
| 3054 v->len = p - v->data; | |
| 3055 | |
| 3056 return NGX_OK; | |
| 3057 } | |
| 3058 | |
| 3059 | |
| 1162 | 3060 ngx_int_t |
| 3061 ngx_http_upstream_header_variable(ngx_http_request_t *r, | |
| 3062 ngx_http_variable_value_t *v, uintptr_t data) | |
| 3063 { | |
| 3064 if (r->upstream == NULL) { | |
| 3065 v->not_found = 1; | |
| 3066 return NGX_OK; | |
| 3067 } | |
| 3068 | |
| 3069 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 3070 &r->upstream->headers_in.headers.part, | |
| 3071 sizeof("upstream_http_") - 1); | |
| 3072 } | |
| 3073 | |
| 3074 | |
| 651 | 3075 static char * |
| 3076 ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) | |
| 3077 { | |
| 884 | 3078 char *rv; |
| 3079 void *mconf; | |
| 3080 ngx_str_t *value; | |
| 3081 ngx_url_t u; | |
| 3082 ngx_uint_t m; | |
| 3083 ngx_conf_t pcf; | |
| 3084 ngx_http_module_t *module; | |
| 3085 ngx_http_conf_ctx_t *ctx, *http_ctx; | |
| 3086 ngx_http_upstream_srv_conf_t *uscf; | |
| 3087 | |
| 3088 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 3089 | |
| 3090 value = cf->args->elts; | |
| 3091 u.host = value[1]; | |
| 3092 u.no_resolve = 1; | |
| 3093 | |
| 3094 uscf = ngx_http_upstream_add(cf, &u, NGX_HTTP_UPSTREAM_CREATE | |
| 3095 |NGX_HTTP_UPSTREAM_WEIGHT | |
| 3096 |NGX_HTTP_UPSTREAM_MAX_FAILS | |
| 3097 |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT | |
| 3098 |NGX_HTTP_UPSTREAM_DOWN | |
| 3099 |NGX_HTTP_UPSTREAM_BACKUP); | |
| 3100 if (uscf == NULL) { | |
| 3101 return NGX_CONF_ERROR; | |
| 3102 } | |
| 3103 | |
| 651 | 3104 |
| 3105 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); | |
| 3106 if (ctx == NULL) { | |
| 3107 return NGX_CONF_ERROR; | |
| 3108 } | |
| 3109 | |
| 884 | 3110 http_ctx = cf->ctx; |
| 3111 ctx->main_conf = http_ctx->main_conf; | |
| 651 | 3112 |
| 3113 /* the upstream{}'s srv_conf */ | |
| 3114 | |
| 3115 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| 3116 if (ctx->srv_conf == NULL) { | |
| 3117 return NGX_CONF_ERROR; | |
| 3118 } | |
| 3119 | |
| 3120 ctx->srv_conf[ngx_http_upstream_module.ctx_index] = uscf; | |
| 3121 | |
| 884 | 3122 uscf->srv_conf = ctx->srv_conf; |
| 3123 | |
| 651 | 3124 |
| 3125 /* the upstream{}'s loc_conf */ | |
| 3126 | |
| 3127 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| 3128 if (ctx->loc_conf == NULL) { | |
| 3129 return NGX_CONF_ERROR; | |
| 3130 } | |
| 3131 | |
| 3132 for (m = 0; ngx_modules[m]; m++) { | |
| 3133 if (ngx_modules[m]->type != NGX_HTTP_MODULE) { | |
| 3134 continue; | |
| 3135 } | |
| 3136 | |
| 3137 module = ngx_modules[m]->ctx; | |
| 3138 | |
| 884 | 3139 if (module->create_srv_conf) { |
| 3140 mconf = module->create_srv_conf(cf); | |
| 3141 if (mconf == NULL) { | |
| 3142 return NGX_CONF_ERROR; | |
| 3143 } | |
| 3144 | |
| 3145 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
| 3146 } | |
| 3147 | |
| 651 | 3148 if (module->create_loc_conf) { |
| 3149 mconf = module->create_loc_conf(cf); | |
| 3150 if (mconf == NULL) { | |
| 3151 return NGX_CONF_ERROR; | |
| 3152 } | |
| 3153 | |
| 3154 ctx->loc_conf[ngx_modules[m]->ctx_index] = mconf; | |
| 3155 } | |
| 3156 } | |
| 3157 | |
| 3158 | |
| 3159 /* parse inside upstream{} */ | |
| 3160 | |
| 3161 pcf = *cf; | |
| 3162 cf->ctx = ctx; | |
| 3163 cf->cmd_type = NGX_HTTP_UPS_CONF; | |
| 3164 | |
| 3165 rv = ngx_conf_parse(cf, NULL); | |
| 3166 | |
| 3167 *cf = pcf; | |
| 3168 | |
| 3169 if (rv != NGX_CONF_OK) { | |
| 3170 return rv; | |
| 3171 } | |
| 3172 | |
| 3173 if (uscf->servers == NULL) { | |
| 3174 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3175 "no servers are inside upstream"); | |
| 3176 return NGX_CONF_ERROR; | |
| 3177 } | |
| 3178 | |
| 3179 return rv; | |
| 3180 } | |
| 3181 | |
| 3182 | |
| 3183 static char * | |
| 3184 ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 3185 { | |
| 3186 ngx_http_upstream_srv_conf_t *uscf = conf; | |
| 3187 | |
| 884 | 3188 time_t fail_timeout; |
| 3189 ngx_str_t *value, s; | |
| 3190 ngx_url_t u; | |
| 3191 ngx_int_t weight, max_fails; | |
| 3192 ngx_uint_t i; | |
| 3193 ngx_http_upstream_server_t *us; | |
| 651 | 3194 |
| 3195 if (uscf->servers == NULL) { | |
| 884 | 3196 uscf->servers = ngx_array_create(cf->pool, 4, |
| 3197 sizeof(ngx_http_upstream_server_t)); | |
| 651 | 3198 if (uscf->servers == NULL) { |
| 3199 return NGX_CONF_ERROR; | |
| 3200 } | |
| 3201 } | |
| 3202 | |
| 884 | 3203 us = ngx_array_push(uscf->servers); |
| 3204 if (us == NULL) { | |
| 651 | 3205 return NGX_CONF_ERROR; |
| 3206 } | |
| 3207 | |
| 884 | 3208 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); |
| 3209 | |
| 651 | 3210 value = cf->args->elts; |
| 3211 | |
| 3212 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 3213 | |
| 3214 u.url = value[1]; | |
| 906 | 3215 u.default_port = 80; |
| 651 | 3216 |
|
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3217 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
| 651 | 3218 if (u.err) { |
| 3219 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3220 "%s in upstream \"%V\"", u.err, &u.url); | |
| 3221 } | |
| 3222 | |
| 3223 return NGX_CONF_ERROR; | |
| 3224 } | |
| 3225 | |
| 663 | 3226 weight = 1; |
| 884 | 3227 max_fails = 1; |
| 3228 fail_timeout = 10; | |
| 3229 | |
| 3230 for (i = 2; i < cf->args->nelts; i++) { | |
| 3231 | |
| 3232 if (ngx_strncmp(value[i].data, "weight=", 7) == 0) { | |
| 3233 | |
| 3234 if (!(uscf->flags & NGX_HTTP_UPSTREAM_WEIGHT)) { | |
| 3235 goto invalid; | |
| 3236 } | |
| 3237 | |
| 3238 weight = ngx_atoi(&value[i].data[7], value[i].len - 7); | |
| 663 | 3239 |
| 3240 if (weight == NGX_ERROR || weight == 0) { | |
| 3241 goto invalid; | |
| 3242 } | |
| 3243 | |
| 884 | 3244 continue; |
| 3245 } | |
| 3246 | |
| 3247 if (ngx_strncmp(value[i].data, "max_fails=", 10) == 0) { | |
| 3248 | |
| 3249 if (!(uscf->flags & NGX_HTTP_UPSTREAM_MAX_FAILS)) { | |
| 3250 goto invalid; | |
| 3251 } | |
| 3252 | |
| 3253 max_fails = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
| 3254 | |
| 3255 if (max_fails == NGX_ERROR) { | |
| 3256 goto invalid; | |
| 3257 } | |
| 3258 | |
| 3259 continue; | |
| 663 | 3260 } |
| 884 | 3261 |
| 3262 if (ngx_strncmp(value[i].data, "fail_timeout=", 13) == 0) { | |
| 3263 | |
| 3264 if (!(uscf->flags & NGX_HTTP_UPSTREAM_FAIL_TIMEOUT)) { | |
| 3265 goto invalid; | |
| 3266 } | |
| 3267 | |
| 3268 s.len = value[i].len - 13; | |
| 3269 s.data = &value[i].data[13]; | |
| 3270 | |
| 3271 fail_timeout = ngx_parse_time(&s, 1); | |
| 3272 | |
| 1973 | 3273 if (fail_timeout == NGX_ERROR) { |
| 884 | 3274 goto invalid; |
| 3275 } | |
| 3276 | |
| 3277 continue; | |
| 3278 } | |
| 3279 | |
| 1378 | 3280 if (ngx_strncmp(value[i].data, "backup", 6) == 0) { |
| 3281 | |
| 3282 if (!(uscf->flags & NGX_HTTP_UPSTREAM_BACKUP)) { | |
| 3283 goto invalid; | |
| 3284 } | |
| 3285 | |
| 3286 us->backup = 1; | |
| 3287 | |
| 3288 continue; | |
| 3289 } | |
| 3290 | |
| 884 | 3291 if (ngx_strncmp(value[i].data, "down", 4) == 0) { |
| 3292 | |
| 3293 if (!(uscf->flags & NGX_HTTP_UPSTREAM_DOWN)) { | |
| 3294 goto invalid; | |
| 3295 } | |
| 3296 | |
| 3297 us->down = 1; | |
| 3298 | |
| 3299 continue; | |
| 3300 } | |
| 3301 | |
| 3302 goto invalid; | |
| 663 | 3303 } |
| 3304 | |
| 884 | 3305 us->addrs = u.addrs; |
| 3306 us->naddrs = u.naddrs; | |
| 3307 us->weight = weight; | |
| 3308 us->max_fails = max_fails; | |
| 3309 us->fail_timeout = fail_timeout; | |
| 651 | 3310 |
| 3311 return NGX_CONF_OK; | |
| 663 | 3312 |
| 3313 invalid: | |
| 3314 | |
| 884 | 3315 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 3316 "invalid parameter \"%V\"", &value[i]); | |
| 663 | 3317 |
| 3318 return NGX_CONF_ERROR; | |
| 651 | 3319 } |
| 3320 | |
| 3321 | |
| 3322 ngx_http_upstream_srv_conf_t * | |
| 884 | 3323 ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags) |
| 651 | 3324 { |
| 3325 ngx_uint_t i; | |
| 884 | 3326 ngx_http_upstream_server_t *us; |
| 651 | 3327 ngx_http_upstream_srv_conf_t *uscf, **uscfp; |
| 3328 ngx_http_upstream_main_conf_t *umcf; | |
| 3329 | |
| 884 | 3330 if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) { |
| 3331 | |
|
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3332 if (ngx_parse_url(cf->pool, u) != NGX_OK) { |
| 651 | 3333 if (u->err) { |
| 3334 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3335 "%s in upstream \"%V\"", u->err, &u->url); | |
| 3336 } | |
| 3337 | |
| 3338 return NULL; | |
| 3339 } | |
| 3340 } | |
| 3341 | |
| 3342 umcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_upstream_module); | |
| 3343 | |
| 3344 uscfp = umcf->upstreams.elts; | |
| 3345 | |
| 3346 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 906 | 3347 |
| 3348 if (uscfp[i]->host.len != u->host.len | |
| 884 | 3349 || ngx_strncasecmp(uscfp[i]->host.data, u->host.data, u->host.len) |
| 3350 != 0) | |
| 3351 { | |
| 651 | 3352 continue; |
| 3353 } | |
| 3354 | |
| 884 | 3355 if ((flags & NGX_HTTP_UPSTREAM_CREATE) |
| 3356 && (uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE)) | |
| 651 | 3357 { |
| 884 | 3358 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 3359 "duplicate upstream \"%V\"", &u->host); | |
| 3360 return NULL; | |
| 651 | 3361 } |
| 884 | 3362 |
| 906 | 3363 if ((uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE) && u->port) { |
| 884 | 3364 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
| 906 | 3365 "upstream \"%V\" may not have port %d", |
| 3366 &u->host, u->port); | |
| 3367 return NULL; | |
| 3368 } | |
| 3369 | |
| 3370 if ((flags & NGX_HTTP_UPSTREAM_CREATE) && uscfp[i]->port) { | |
| 3371 ngx_log_error(NGX_LOG_WARN, cf->log, 0, | |
| 3372 "upstream \"%V\" may not have port %d in %s:%ui", | |
| 3373 &u->host, uscfp[i]->port, | |
|
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3374 uscfp[i]->file_name, uscfp[i]->line); |
| 906 | 3375 return NULL; |
| 3376 } | |
| 3377 | |
| 3378 if (uscfp[i]->port != u->port) { | |
| 3379 continue; | |
| 884 | 3380 } |
| 3381 | |
| 1340 | 3382 if (uscfp[i]->default_port && u->default_port |
| 3383 && uscfp[i]->default_port != u->default_port) | |
| 3384 { | |
| 3385 continue; | |
| 3386 } | |
| 3387 | |
| 884 | 3388 return uscfp[i]; |
| 651 | 3389 } |
| 3390 | |
| 3391 uscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_srv_conf_t)); | |
| 3392 if (uscf == NULL) { | |
| 3393 return NULL; | |
| 3394 } | |
| 3395 | |
| 884 | 3396 uscf->flags = flags; |
| 651 | 3397 uscf->host = u->host; |
|
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3398 uscf->file_name = cf->conf_file->file.name.data; |
| 651 | 3399 uscf->line = cf->conf_file->line; |
| 906 | 3400 uscf->port = u->port; |
| 3401 uscf->default_port = u->default_port; | |
| 884 | 3402 |
| 3403 if (u->naddrs == 1) { | |
| 3404 uscf->servers = ngx_array_create(cf->pool, 1, | |
| 3405 sizeof(ngx_http_upstream_server_t)); | |
| 3406 if (uscf->servers == NULL) { | |
| 3407 return NGX_CONF_ERROR; | |
| 3408 } | |
| 3409 | |
| 3410 us = ngx_array_push(uscf->servers); | |
| 3411 if (us == NULL) { | |
| 3412 return NGX_CONF_ERROR; | |
| 3413 } | |
| 3414 | |
| 3415 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); | |
| 3416 | |
| 3417 us->addrs = u->addrs; | |
| 3418 us->naddrs = u->naddrs; | |
| 3419 } | |
| 651 | 3420 |
| 3421 uscfp = ngx_array_push(&umcf->upstreams); | |
| 3422 if (uscfp == NULL) { | |
| 3423 return NULL; | |
| 3424 } | |
| 3425 | |
| 3426 *uscfp = uscf; | |
| 3427 | |
| 3428 return uscf; | |
| 3429 } | |
| 3430 | |
| 3431 | |
|
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3432 ngx_int_t |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3433 ngx_http_upstream_hide_headers_hash(ngx_conf_t *cf, |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3434 ngx_http_upstream_conf_t *conf, ngx_http_upstream_conf_t *prev, |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3435 ngx_str_t *default_hide_headers, ngx_hash_init_t *hash) |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3436 { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3437 ngx_str_t *h; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3438 ngx_uint_t i, j; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3439 ngx_array_t hide_headers; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3440 ngx_hash_key_t *hk; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3441 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3442 if (conf->hide_headers == NGX_CONF_UNSET_PTR |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3443 && conf->pass_headers == NGX_CONF_UNSET_PTR) |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3444 { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3445 conf->hide_headers_hash = prev->hide_headers_hash; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3446 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3447 if (conf->hide_headers_hash.buckets) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3448 return NGX_OK; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3449 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3450 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3451 conf->hide_headers = prev->hide_headers; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3452 conf->pass_headers = prev->pass_headers; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3453 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3454 } else { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3455 if (conf->hide_headers == NGX_CONF_UNSET_PTR) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3456 conf->hide_headers = prev->hide_headers; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3457 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3458 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3459 if (conf->pass_headers == NGX_CONF_UNSET_PTR) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3460 conf->pass_headers = prev->pass_headers; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3461 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3462 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3463 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3464 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3465 != NGX_OK) |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3466 { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3467 return NGX_ERROR; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3468 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3469 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3470 for (h = default_hide_headers; h->len; h++) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3471 hk = ngx_array_push(&hide_headers); |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3472 if (hk == NULL) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3473 return NGX_ERROR; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3474 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3475 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3476 hk->key = *h; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3477 hk->key_hash = ngx_hash_key_lc(h->data, h->len); |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3478 hk->value = (void *) 1; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3479 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3480 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3481 if (conf->hide_headers != NGX_CONF_UNSET_PTR) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3482 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3483 h = conf->hide_headers->elts; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3484 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3485 for (i = 0; i < conf->hide_headers->nelts; i++) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3486 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3487 hk = hide_headers.elts; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3488 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3489 for (j = 0; j < hide_headers.nelts; j++) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3490 if (ngx_strcasecmp(h[i].data, hk[j].key.data) == 0) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3491 goto exist; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3492 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3493 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3494 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3495 hk = ngx_array_push(&hide_headers); |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3496 if (hk == NULL) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3497 return NGX_ERROR; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3498 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3499 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3500 hk->key = h[i]; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3501 hk->key_hash = ngx_hash_key_lc(h[i].data, h[i].len); |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3502 hk->value = (void *) 1; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3503 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3504 exist: |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3505 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3506 continue; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3507 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3508 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3509 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3510 if (conf->pass_headers != NGX_CONF_UNSET_PTR) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3511 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3512 h = conf->pass_headers->elts; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3513 hk = hide_headers.elts; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3514 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3515 for (i = 0; i < conf->pass_headers->nelts; i++) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3516 for (j = 0; j < hide_headers.nelts; j++) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3517 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3518 if (hk[j].key.data == NULL) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3519 continue; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3520 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3521 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3522 if (ngx_strcasecmp(h[i].data, hk[j].key.data) == 0) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3523 hk[j].key.data = NULL; |
|
40d004d95d88
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parents:
1699
diff
changeset
|
3524 break; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3525 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3526 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3527 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3528 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3529 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3530 hash->hash = &conf->hide_headers_hash; |
|
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3531 hash->key = ngx_hash_key_lc; |
|
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
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parents:
1699
diff
changeset
|
3532 hash->pool = cf->pool; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3533 hash->temp_pool = NULL; |
|
1706
9242e21d2f8d
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Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3534 |
|
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3535 return ngx_hash_init(hash, hide_headers.elts, hide_headers.nelts); |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3536 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3537 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
3538 |
| 509 | 3539 static void * |
| 3540 ngx_http_upstream_create_main_conf(ngx_conf_t *cf) | |
| 3541 { | |
| 3542 ngx_http_upstream_main_conf_t *umcf; | |
| 3543 | |
| 3544 umcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_main_conf_t)); | |
| 3545 if (umcf == NULL) { | |
| 3546 return NULL; | |
| 3547 } | |
| 3548 | |
| 651 | 3549 if (ngx_array_init(&umcf->upstreams, cf->pool, 4, |
| 3550 sizeof(ngx_http_upstream_srv_conf_t *)) | |
| 3551 != NGX_OK) | |
| 3552 { | |
| 3553 return NGX_CONF_ERROR; | |
| 3554 } | |
| 3555 | |
| 509 | 3556 return umcf; |
| 3557 } | |
| 3558 | |
| 3559 | |
| 3560 static char * | |
| 651 | 3561 ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf) |
| 509 | 3562 { |
| 3563 ngx_http_upstream_main_conf_t *umcf = conf; | |
| 3564 | |
| 651 | 3565 ngx_uint_t i; |
| 3566 ngx_array_t headers_in; | |
| 3567 ngx_hash_key_t *hk; | |
| 3568 ngx_hash_init_t hash; | |
| 884 | 3569 ngx_http_upstream_init_pt init; |
| 651 | 3570 ngx_http_upstream_header_t *header; |
| 3571 ngx_http_upstream_srv_conf_t **uscfp; | |
| 3572 | |
| 3573 uscfp = umcf->upstreams.elts; | |
| 3574 | |
| 3575 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 884 | 3576 |
| 3577 init = uscfp[i]->peer.init_upstream ? uscfp[i]->peer.init_upstream: | |
| 3578 ngx_http_upstream_init_round_robin; | |
| 3579 | |
| 3580 if (init(cf, uscfp[i]) != NGX_OK) { | |
| 651 | 3581 return NGX_CONF_ERROR; |
| 3582 } | |
| 3583 } | |
| 649 | 3584 |
| 663 | 3585 |
| 884 | 3586 /* upstream_headers_in_hash */ |
| 3587 | |
| 649 | 3588 if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) |
| 3589 != NGX_OK) | |
| 509 | 3590 { |
| 3591 return NGX_CONF_ERROR; | |
| 3592 } | |
| 3593 | |
| 649 | 3594 for (header = ngx_http_upstream_headers_in; header->name.len; header++) { |
| 3595 hk = ngx_array_push(&headers_in); | |
| 3596 if (hk == NULL) { | |
| 3597 return NGX_CONF_ERROR; | |
| 3598 } | |
| 3599 | |
| 3600 hk->key = header->name; | |
| 3601 hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len); | |
| 3602 hk->value = header; | |
| 3603 } | |
| 3604 | |
| 3605 hash.hash = &umcf->headers_in_hash; | |
| 3606 hash.key = ngx_hash_key_lc; | |
| 3607 hash.max_size = 512; | |
|
751
bae59a740c40
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Igor Sysoev <igor@sysoev.ru>
parents:
750
diff
changeset
|
3608 hash.bucket_size = ngx_align(64, ngx_cacheline_size); |
| 649 | 3609 hash.name = "upstream_headers_in_hash"; |
| 3610 hash.pool = cf->pool; | |
| 3611 hash.temp_pool = NULL; | |
| 3612 | |
| 3613 if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) { | |
| 3614 return NGX_CONF_ERROR; | |
| 3615 } | |
| 509 | 3616 |
| 3617 return NGX_CONF_OK; | |
| 3618 } |