Mercurial > hg > nginx
annotate src/http/ngx_http_upstream.c @ 2049:2a92804f4109
*) back out r2040
*) refactor ngx_palloc()
*) introduce ngx_pnalloc()
*) additional pool blocks have smaller header
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 17 Jun 2008 15:00:30 +0000 |
| parents | 54e4d1b6c183 |
| children | dce5ddef5af9 |
| 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_connect(ngx_connection_t *c); |
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26 static void ngx_http_upstream_process_body_in_memory(ngx_event_t *rev); |
| 479 | 27 static void ngx_http_upstream_send_response(ngx_http_request_t *r, |
| 487 | 28 ngx_http_upstream_t *u); |
| 581 | 29 static void |
| 30 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r); | |
| 31 static void ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev); | |
| 32 static ngx_int_t ngx_http_upstream_non_buffered_filter_init(void *data); | |
| 33 static ngx_int_t ngx_http_upstream_non_buffered_filter(void *data, | |
| 34 ssize_t bytes); | |
| 509 | 35 static void ngx_http_upstream_process_downstream(ngx_http_request_t *r); |
| 479 | 36 static void ngx_http_upstream_process_body(ngx_event_t *ev); |
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37 static void ngx_http_upstream_store(ngx_http_request_t *r, |
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38 ngx_http_upstream_t *u); |
| 479 | 39 static void ngx_http_upstream_dummy_handler(ngx_event_t *wev); |
| 40 static void ngx_http_upstream_next(ngx_http_request_t *r, | |
| 487 | 41 ngx_http_upstream_t *u, ngx_uint_t ft_type); |
| 569 | 42 static void ngx_http_upstream_cleanup(void *data); |
| 479 | 43 static void ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
| 487 | 44 ngx_http_upstream_t *u, ngx_int_t rc); |
| 479 | 45 |
| 509 | 46 static ngx_int_t ngx_http_upstream_process_header_line(ngx_http_request_t *r, |
| 47 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 48 static ngx_int_t | |
| 49 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
| 50 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 51 static ngx_int_t ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, | |
| 52 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 527 | 53 static ngx_int_t ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, |
| 54 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 649 | 55 static ngx_int_t ngx_http_upstream_process_buffering(ngx_http_request_t *r, |
| 509 | 56 ngx_table_elt_t *h, ngx_uint_t offset); |
| 657 | 57 static ngx_int_t ngx_http_upstream_process_charset(ngx_http_request_t *r, |
| 58 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 649 | 59 static ngx_int_t ngx_http_upstream_copy_header_line(ngx_http_request_t *r, |
| 509 | 60 ngx_table_elt_t *h, ngx_uint_t offset); |
| 61 static ngx_int_t | |
| 62 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
| 63 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 64 static ngx_int_t ngx_http_upstream_copy_content_type(ngx_http_request_t *r, | |
| 65 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 66 static ngx_int_t ngx_http_upstream_copy_content_length(ngx_http_request_t *r, | |
| 67 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 68 static ngx_int_t ngx_http_upstream_rewrite_location(ngx_http_request_t *r, | |
| 69 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 70 static ngx_int_t ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, | |
| 71 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 72 #if (NGX_HTTP_GZIP) | |
| 73 static ngx_int_t ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
| 74 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 75 #endif | |
| 76 | |
| 573 | 77 static ngx_int_t ngx_http_upstream_add_variables(ngx_conf_t *cf); |
| 1181 | 78 static ngx_int_t ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
| 79 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 80 static ngx_int_t ngx_http_upstream_status_variable(ngx_http_request_t *r, |
| 81 ngx_http_variable_value_t *v, uintptr_t data); | |
| 82 static ngx_int_t ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
| 83 ngx_http_variable_value_t *v, uintptr_t data); | |
| 84 | |
| 651 | 85 static char *ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy); |
| 86 static char *ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 87 void *conf); | |
| 88 | |
| 509 | 89 static void *ngx_http_upstream_create_main_conf(ngx_conf_t *cf); |
| 651 | 90 static char *ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf); |
| 509 | 91 |
| 577 | 92 #if (NGX_HTTP_SSL) |
| 591 | 93 static void ngx_http_upstream_ssl_init_connection(ngx_http_request_t *, |
| 94 ngx_http_upstream_t *u, ngx_connection_t *c); | |
| 577 | 95 static void ngx_http_upstream_ssl_handshake(ngx_connection_t *c); |
| 96 #endif | |
| 97 | |
| 509 | 98 |
| 99 ngx_http_upstream_header_t ngx_http_upstream_headers_in[] = { | |
| 100 | |
| 101 { ngx_string("Status"), | |
| 102 ngx_http_upstream_process_header_line, | |
| 103 offsetof(ngx_http_upstream_headers_in_t, status), | |
| 649 | 104 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 509 | 105 |
| 106 { ngx_string("Content-Type"), | |
| 107 ngx_http_upstream_process_header_line, | |
| 108 offsetof(ngx_http_upstream_headers_in_t, content_type), | |
| 673 | 109 ngx_http_upstream_copy_content_type, 0, 1 }, |
| 509 | 110 |
| 111 { ngx_string("Content-Length"), | |
| 112 ngx_http_upstream_process_header_line, | |
| 113 offsetof(ngx_http_upstream_headers_in_t, content_length), | |
| 515 | 114 ngx_http_upstream_copy_content_length, 0, 0 }, |
| 509 | 115 |
| 116 { ngx_string("Date"), | |
| 117 ngx_http_upstream_process_header_line, | |
| 118 offsetof(ngx_http_upstream_headers_in_t, date), | |
| 649 | 119 ngx_http_upstream_copy_header_line, |
| 120 offsetof(ngx_http_headers_out_t, date), 0 }, | |
| 509 | 121 |
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122 { ngx_string("Last-Modified"), |
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123 ngx_http_upstream_process_header_line, |
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124 offsetof(ngx_http_upstream_headers_in_t, last_modified), |
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125 ngx_http_upstream_copy_header_line, |
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126 offsetof(ngx_http_headers_out_t, last_modified), 0 }, |
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127 |
| 509 | 128 { ngx_string("Server"), |
| 129 ngx_http_upstream_process_header_line, | |
| 130 offsetof(ngx_http_upstream_headers_in_t, server), | |
| 649 | 131 ngx_http_upstream_copy_header_line, |
| 132 offsetof(ngx_http_headers_out_t, server), 0 }, | |
| 509 | 133 |
| 529 | 134 { ngx_string("WWW-Authenticate"), |
| 135 ngx_http_upstream_process_header_line, | |
| 136 offsetof(ngx_http_upstream_headers_in_t, www_authenticate), | |
| 137 ngx_http_upstream_copy_header_line, 0, 0 }, | |
| 138 | |
| 509 | 139 { ngx_string("Location"), |
| 140 ngx_http_upstream_ignore_header_line, 0, | |
| 515 | 141 ngx_http_upstream_rewrite_location, 0, 0 }, |
| 509 | 142 |
| 143 { ngx_string("Refresh"), | |
| 144 ngx_http_upstream_ignore_header_line, 0, | |
| 515 | 145 ngx_http_upstream_rewrite_refresh, 0, 0 }, |
| 146 | |
| 147 { ngx_string("Set-Cookie"), | |
| 148 ngx_http_upstream_ignore_header_line, 0, | |
| 531 | 149 ngx_http_upstream_copy_header_line, 0, 1 }, |
| 150 | |
| 151 { ngx_string("Content-Disposition"), | |
| 152 ngx_http_upstream_ignore_header_line, 0, | |
| 153 ngx_http_upstream_copy_header_line, 0, 1 }, | |
| 509 | 154 |
| 155 { ngx_string("Cache-Control"), | |
| 156 ngx_http_upstream_process_multi_header_lines, | |
| 157 offsetof(ngx_http_upstream_headers_in_t, cache_control), | |
| 158 ngx_http_upstream_copy_multi_header_lines, | |
| 515 | 159 offsetof(ngx_http_headers_out_t, cache_control), 1 }, |
| 509 | 160 |
| 573 | 161 { ngx_string("Expires"), |
| 162 ngx_http_upstream_process_header_line, | |
| 163 offsetof(ngx_http_upstream_headers_in_t, expires), | |
| 164 ngx_http_upstream_copy_header_line, | |
| 165 offsetof(ngx_http_headers_out_t, expires), 1 }, | |
| 166 | |
| 577 | 167 { ngx_string("Accept-Ranges"), |
| 168 ngx_http_upstream_process_header_line, | |
| 169 offsetof(ngx_http_upstream_headers_in_t, accept_ranges), | |
| 170 ngx_http_upstream_copy_header_line, | |
| 171 offsetof(ngx_http_headers_out_t, accept_ranges), 1 }, | |
| 172 | |
| 509 | 173 { ngx_string("Connection"), |
| 174 ngx_http_upstream_ignore_header_line, 0, | |
| 515 | 175 ngx_http_upstream_ignore_header_line, 0, 0 }, |
| 509 | 176 |
| 641 | 177 { ngx_string("Keep-Alive"), |
| 178 ngx_http_upstream_ignore_header_line, 0, | |
| 179 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 180 | |
| 509 | 181 { ngx_string("X-Powered-By"), |
| 182 ngx_http_upstream_ignore_header_line, 0, | |
| 649 | 183 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 509 | 184 |
| 185 { ngx_string("X-Accel-Expires"), | |
| 186 ngx_http_upstream_process_header_line, | |
| 187 offsetof(ngx_http_upstream_headers_in_t, x_accel_expires), | |
| 649 | 188 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 515 | 189 |
| 190 { ngx_string("X-Accel-Redirect"), | |
| 191 ngx_http_upstream_process_header_line, | |
| 192 offsetof(ngx_http_upstream_headers_in_t, x_accel_redirect), | |
| 193 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 509 | 194 |
| 527 | 195 { ngx_string("X-Accel-Limit-Rate"), |
| 196 ngx_http_upstream_process_limit_rate, 0, | |
| 197 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 198 | |
| 649 | 199 { ngx_string("X-Accel-Buffering"), |
| 200 ngx_http_upstream_process_buffering, 0, | |
| 201 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 202 | |
| 657 | 203 { ngx_string("X-Accel-Charset"), |
| 204 ngx_http_upstream_process_charset, 0, | |
| 205 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 206 | |
| 509 | 207 #if (NGX_HTTP_GZIP) |
| 208 { ngx_string("Content-Encoding"), | |
| 209 ngx_http_upstream_process_header_line, | |
| 210 offsetof(ngx_http_upstream_headers_in_t, content_encoding), | |
| 515 | 211 ngx_http_upstream_copy_content_encoding, 0, 0 }, |
| 509 | 212 #endif |
| 213 | |
| 515 | 214 { ngx_null_string, NULL, 0, NULL, 0, 0 } |
| 509 | 215 }; |
| 479 | 216 |
| 217 | |
| 651 | 218 static ngx_command_t ngx_http_upstream_commands[] = { |
| 219 | |
| 220 { ngx_string("upstream"), | |
| 221 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1, | |
| 222 ngx_http_upstream, | |
| 223 0, | |
| 224 0, | |
| 225 NULL }, | |
| 226 | |
| 227 { ngx_string("server"), | |
| 884 | 228 NGX_HTTP_UPS_CONF|NGX_CONF_1MORE, |
| 651 | 229 ngx_http_upstream_server, |
| 230 NGX_HTTP_SRV_CONF_OFFSET, | |
| 231 0, | |
| 232 NULL }, | |
| 233 | |
| 234 ngx_null_command | |
| 235 }; | |
| 236 | |
| 237 | |
| 238 static ngx_http_module_t ngx_http_upstream_module_ctx = { | |
| 573 | 239 ngx_http_upstream_add_variables, /* preconfiguration */ |
| 509 | 240 NULL, /* postconfiguration */ |
| 241 | |
| 242 ngx_http_upstream_create_main_conf, /* create main configuration */ | |
| 651 | 243 ngx_http_upstream_init_main_conf, /* init main configuration */ |
| 479 | 244 |
| 245 NULL, /* create server configuration */ | |
| 246 NULL, /* merge server configuration */ | |
| 247 | |
| 248 NULL, /* create location configuration */ | |
| 249 NULL /* merge location configuration */ | |
| 250 }; | |
| 577 | 251 |
| 479 | 252 |
| 253 ngx_module_t ngx_http_upstream_module = { | |
| 509 | 254 NGX_MODULE_V1, |
| 479 | 255 &ngx_http_upstream_module_ctx, /* module context */ |
| 651 | 256 ngx_http_upstream_commands, /* module directives */ |
| 479 | 257 NGX_HTTP_MODULE, /* module type */ |
| 541 | 258 NULL, /* init master */ |
| 479 | 259 NULL, /* init module */ |
| 541 | 260 NULL, /* init process */ |
| 261 NULL, /* init thread */ | |
| 262 NULL, /* exit thread */ | |
| 263 NULL, /* exit process */ | |
| 264 NULL, /* exit master */ | |
| 265 NGX_MODULE_V1_PADDING | |
| 479 | 266 }; |
| 267 | |
| 268 | |
| 573 | 269 static ngx_http_variable_t ngx_http_upstream_vars[] = { |
| 270 | |
| 1181 | 271 { ngx_string("upstream_addr"), NULL, |
| 272 ngx_http_upstream_addr_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, | |
| 273 | |
| 637 | 274 { ngx_string("upstream_status"), NULL, |
| 583 | 275 ngx_http_upstream_status_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 573 | 276 |
| 637 | 277 { ngx_string("upstream_response_time"), NULL, |
| 583 | 278 ngx_http_upstream_response_time_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 573 | 279 |
| 637 | 280 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 573 | 281 }; |
| 282 | |
| 283 | |
| 487 | 284 void |
| 285 ngx_http_upstream_init(ngx_http_request_t *r) | |
| 479 | 286 { |
| 1658 | 287 ngx_str_t *host; |
| 288 ngx_uint_t i; | |
| 289 ngx_connection_t *c; | |
| 290 ngx_resolver_ctx_t *ctx, temp; | |
| 291 ngx_http_cleanup_t *cln; | |
| 292 ngx_http_upstream_t *u; | |
| 293 ngx_http_core_loc_conf_t *clcf; | |
| 294 ngx_http_upstream_srv_conf_t *uscf, **uscfp; | |
| 295 ngx_http_upstream_main_conf_t *umcf; | |
| 479 | 296 |
| 297 c = r->connection; | |
| 298 | |
| 299 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 300 "http init upstream, client timer: %d", c->read->timer_set); | |
| 301 | |
| 302 if (c->read->timer_set) { | |
| 303 ngx_del_timer(c->read); | |
| 304 } | |
| 305 | |
| 629 | 306 u = r->upstream; |
| 307 | |
| 308 if (!r->post_action && !u->conf->ignore_client_abort) { | |
| 615 | 309 r->read_event_handler = ngx_http_upstream_rd_check_broken_connection; |
| 310 r->write_event_handler = ngx_http_upstream_wr_check_broken_connection; | |
| 311 } | |
| 577 | 312 |
| 479 | 313 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { |
| 314 | |
| 315 if (!c->write->active) { | |
| 531 | 316 if (ngx_add_event(c->write, NGX_WRITE_EVENT, NGX_CLEAR_EVENT) |
| 317 == NGX_ERROR) | |
| 479 | 318 { |
| 319 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 320 return; | |
| 321 } | |
| 322 } | |
| 323 } | |
| 324 | |
| 537 | 325 if (r->request_body) { |
| 326 u->request_bufs = r->request_body->bufs; | |
| 327 } | |
| 509 | 328 |
| 537 | 329 if (u->create_request(r) != NGX_OK) { |
| 479 | 330 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 331 return; | |
| 332 } | |
| 333 | |
| 509 | 334 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| 479 | 335 |
| 336 u->output.pool = r->pool; | |
| 337 u->output.bufs.num = 1; | |
| 509 | 338 u->output.bufs.size = clcf->client_body_buffer_size; |
| 479 | 339 u->output.output_filter = ngx_chain_writer; |
| 340 u->output.filter_ctx = &u->writer; | |
| 341 | |
| 342 u->writer.pool = r->pool; | |
| 343 | |
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344 if (r->upstream_states == NULL) { |
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345 |
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346 r->upstream_states = ngx_array_create(r->pool, 1, |
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347 sizeof(ngx_http_upstream_state_t)); |
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348 if (r->upstream_states == NULL) { |
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349 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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350 return; |
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351 } |
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352 |
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353 } else { |
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354 |
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355 u->state = ngx_array_push(r->upstream_states); |
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356 if (u->state == NULL) { |
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357 ngx_http_upstream_finalize_request(r, u, |
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358 NGX_HTTP_INTERNAL_SERVER_ERROR); |
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359 return; |
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360 } |
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361 |
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362 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); |
| 479 | 363 } |
| 364 | |
| 593 | 365 cln = ngx_http_cleanup_add(r, 0); |
| 569 | 366 if (cln == NULL) { |
| 367 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 368 return; | |
| 369 } | |
| 370 | |
| 371 cln->handler = ngx_http_upstream_cleanup; | |
| 372 cln->data = r; | |
| 373 u->cleanup = &cln->handler; | |
| 374 | |
|
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375 u->store = (u->conf->store || u->conf->store_lengths); |
|
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376 |
| 1658 | 377 if (u->resolved == NULL) { |
| 378 | |
| 379 uscf = u->conf->upstream; | |
| 380 | |
| 381 } else { | |
| 382 | |
| 1705 | 383 host = &u->resolved->host; |
| 1658 | 384 |
| 385 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
| 386 | |
| 387 uscfp = umcf->upstreams.elts; | |
| 388 | |
| 389 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 390 | |
| 391 uscf = uscfp[i]; | |
| 392 | |
| 393 if (uscf->host.len == host->len | |
| 1912 | 394 && ((uscf->port == 0 && u->resolved->default_port) |
| 395 || uscf->port == u->resolved->port) | |
| 1658 | 396 && ngx_memcmp(uscf->host.data, host->data, host->len) == 0) |
| 397 { | |
| 398 goto found; | |
| 399 } | |
| 400 } | |
| 401 | |
| 402 temp.name = *host; | |
| 403 | |
| 404 ctx = ngx_resolve_start(clcf->resolver, &temp); | |
| 405 if (ctx == NULL) { | |
| 406 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 407 return; | |
| 408 } | |
| 409 | |
|
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410 if (ctx == NGX_NO_RESOLVER) { |
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411 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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412 "no resolver defined to resolve %V", host); |
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413 |
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414 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); |
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415 return; |
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416 } |
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417 |
| 1658 | 418 ctx->name = *host; |
| 419 ctx->type = NGX_RESOLVE_A; | |
| 420 ctx->handler = ngx_http_upstream_resolve_handler; | |
| 421 ctx->data = r; | |
| 422 ctx->timeout = clcf->resolver_timeout; | |
| 423 | |
|
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424 u->resolved->ctx = ctx; |
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425 |
| 1658 | 426 if (ngx_resolve_name(ctx) != NGX_OK) { |
|
1959
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427 u->resolved->ctx = NULL; |
| 1658 | 428 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 429 return; | |
| 430 } | |
| 431 | |
| 432 return; | |
| 433 } | |
| 434 | |
| 435 found: | |
| 436 | |
| 437 if (uscf->peer.init(r, uscf) != NGX_OK) { | |
| 438 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 439 return; | |
| 440 } | |
| 441 | |
| 479 | 442 ngx_http_upstream_connect(r, u); |
| 443 } | |
| 444 | |
| 445 | |
| 487 | 446 static void |
| 1658 | 447 ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx) |
| 448 { | |
| 449 ngx_http_request_t *r; | |
| 450 ngx_http_upstream_resolved_t *ur; | |
| 451 | |
| 452 r = ctx->data; | |
| 453 | |
| 454 r->upstream->resolved->ctx = NULL; | |
| 455 | |
| 456 if (ctx->state) { | |
| 457 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 458 "%V could not be resolved (%i: %s)", | |
| 459 &ctx->name, ctx->state, | |
| 460 ngx_resolver_strerror(ctx->state)); | |
| 461 | |
| 462 ngx_resolve_name_done(ctx); | |
| 463 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); | |
| 464 return; | |
| 465 } | |
| 466 | |
| 467 ur = r->upstream->resolved; | |
| 468 ur->naddrs = ctx->naddrs; | |
| 469 ur->addrs = ctx->addrs; | |
| 470 | |
| 471 #if (NGX_DEBUG) | |
| 472 { | |
| 473 in_addr_t addr; | |
| 474 ngx_uint_t i; | |
| 475 | |
| 476 for (i = 0; i < ctx->naddrs; i++) { | |
| 477 addr = ntohl(ur->addrs[i]); | |
| 478 | |
| 479 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 480 "name was resolved to %ud.%ud.%ud.%ud", | |
| 481 (addr >> 24) & 0xff, (addr >> 16) & 0xff, | |
| 482 (addr >> 8) & 0xff, addr & 0xff); | |
| 483 } | |
| 484 } | |
| 485 #endif | |
| 486 | |
| 487 if (ngx_http_upstream_create_round_robin_peer(r, ur) != NGX_OK) { | |
| 488 ngx_resolve_name_done(ctx); | |
| 489 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 490 return; | |
| 491 } | |
| 492 | |
| 493 ngx_resolve_name_done(ctx); | |
| 494 | |
| 495 ngx_http_upstream_connect(r, r->upstream); | |
| 496 } | |
| 497 | |
| 498 | |
| 499 static void | |
| 509 | 500 ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r) |
| 501 { | |
| 502 ngx_http_upstream_check_broken_connection(r, r->connection->read); | |
| 503 } | |
| 504 | |
| 505 | |
| 506 static void | |
| 507 ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r) | |
| 508 { | |
| 509 ngx_http_upstream_check_broken_connection(r, r->connection->write); | |
| 510 } | |
| 511 | |
| 512 | |
| 513 static void | |
| 514 ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
| 515 ngx_event_t *ev) | |
| 479 | 516 { |
| 517 int n; | |
| 518 char buf[1]; | |
| 577 | 519 ngx_err_t err; |
| 479 | 520 ngx_connection_t *c; |
| 521 ngx_http_upstream_t *u; | |
| 522 | |
| 527 | 523 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
| 524 "http upstream check client, write event:%d, \"%V\"", | |
| 525 ev->write, &r->uri); | |
| 479 | 526 |
| 509 | 527 c = r->connection; |
| 483 | 528 u = r->upstream; |
| 529 | |
| 583 | 530 if (c->error) { |
| 527 | 531 ngx_http_upstream_finalize_request(r, u, |
| 532 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 533 return; | |
| 534 } | |
| 535 | |
| 483 | 536 if (u->peer.connection == NULL) { |
| 537 return; | |
| 538 } | |
| 539 | |
| 479 | 540 #if (NGX_HAVE_KQUEUE) |
| 541 | |
| 542 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
| 543 | |
| 544 if (!ev->pending_eof) { | |
| 545 return; | |
| 546 } | |
| 547 | |
| 548 ev->eof = 1; | |
| 583 | 549 c->error = 1; |
| 479 | 550 |
| 551 if (ev->kq_errno) { | |
| 552 ev->error = 1; | |
| 553 } | |
| 554 | |
| 1565 | 555 if (!u->cacheable && !u->store && u->peer.connection) { |
| 479 | 556 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, |
| 527 | 557 "kevent() reported that client closed prematurely " |
| 558 "connection, so upstream connection is closed too"); | |
| 479 | 559 ngx_http_upstream_finalize_request(r, u, |
| 560 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 561 return; | |
| 562 } | |
| 563 | |
| 564 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, | |
| 565 "kevent() reported that client closed " | |
| 566 "prematurely connection"); | |
| 567 | |
| 568 if (u->peer.connection == NULL) { | |
| 569 ngx_http_upstream_finalize_request(r, u, | |
| 570 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 571 return; | |
| 572 } | |
| 573 | |
| 574 return; | |
| 575 } | |
| 576 | |
| 577 #endif | |
| 578 | |
| 579 n = recv(c->fd, buf, 1, MSG_PEEK); | |
| 580 | |
| 581 err = ngx_socket_errno; | |
| 582 | |
| 1109 | 583 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, err, |
| 584 "http upstream recv(): %d", n); | |
| 585 | |
| 479 | 586 /* |
| 587 * we do not need to disable the write event because | |
| 588 * that event has NGX_USE_CLEAR_EVENT type | |
| 589 */ | |
| 590 | |
| 591 if (ev->write && (n >= 0 || err == NGX_EAGAIN)) { | |
| 592 return; | |
| 593 } | |
| 594 | |
| 595 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { | |
| 596 if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { | |
| 597 ngx_http_upstream_finalize_request(r, u, | |
| 598 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 599 return; | |
| 600 } | |
| 601 } | |
| 602 | |
| 603 if (n > 0) { | |
| 604 return; | |
| 605 } | |
| 606 | |
| 607 if (n == -1) { | |
| 608 if (err == NGX_EAGAIN) { | |
| 609 return; | |
| 610 } | |
| 611 | |
| 612 ev->error = 1; | |
| 613 | |
| 483 | 614 } else { /* n == 0 */ |
| 479 | 615 err = 0; |
| 616 } | |
| 617 | |
| 529 | 618 ev->eof = 1; |
| 583 | 619 c->error = 1; |
| 529 | 620 |
| 1565 | 621 if (!u->cacheable && !u->store && u->peer.connection) { |
| 479 | 622 ngx_log_error(NGX_LOG_INFO, ev->log, err, |
| 623 "client closed prematurely connection, " | |
| 624 "so upstream connection is closed too"); | |
| 625 ngx_http_upstream_finalize_request(r, u, | |
| 626 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 627 return; | |
| 628 } | |
| 629 | |
| 630 ngx_log_error(NGX_LOG_INFO, ev->log, err, | |
| 631 "client closed prematurely connection"); | |
| 632 | |
| 633 if (u->peer.connection == NULL) { | |
| 634 ngx_http_upstream_finalize_request(r, u, | |
| 635 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 636 return; | |
| 637 } | |
| 638 } | |
| 639 | |
| 640 | |
| 487 | 641 static void |
| 642 ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 479 | 643 { |
| 591 | 644 ngx_int_t rc; |
| 665 | 645 ngx_time_t *tp; |
| 591 | 646 ngx_connection_t *c; |
| 479 | 647 |
| 483 | 648 r->connection->log->action = "connecting to upstream"; |
| 479 | 649 |
| 650 r->connection->single_connection = 0; | |
| 651 | |
|
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the previous fix does not actually fix overflow
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652 if (u->state && u->state->response_sec) { |
| 665 | 653 tp = ngx_timeofday(); |
|
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654 u->state->response_sec = tp->sec - u->state->response_sec; |
|
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655 u->state->response_msec = tp->msec - u->state->response_msec; |
| 665 | 656 } |
| 657 | |
|
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|
658 u->state = ngx_array_push(r->upstream_states); |
| 665 | 659 if (u->state == NULL) { |
| 660 ngx_http_upstream_finalize_request(r, u, | |
| 661 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 662 return; | |
| 663 } | |
| 664 | |
| 665 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); | |
| 666 | |
| 667 tp = ngx_timeofday(); | |
|
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668 u->state->response_sec = tp->sec; |
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669 u->state->response_msec = tp->msec; |
| 665 | 670 |
| 479 | 671 rc = ngx_event_connect_peer(&u->peer); |
| 672 | |
| 673 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 674 "http upstream connect: %i", rc); | |
| 675 | |
| 676 if (rc == NGX_ERROR) { | |
| 677 ngx_http_upstream_finalize_request(r, u, | |
| 678 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 679 return; | |
| 680 } | |
| 681 | |
|
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682 u->state->peer = u->peer.name; |
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683 |
| 543 | 684 if (rc == NGX_BUSY) { |
| 685 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no live upstreams"); | |
| 1378 | 686 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_NOLIVE); |
| 687 return; | |
| 543 | 688 } |
| 689 | |
| 1378 | 690 if (rc == NGX_DECLINED) { |
| 479 | 691 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
| 692 return; | |
| 693 } | |
| 694 | |
| 577 | 695 /* rc == NGX_OK || rc == NGX_AGAIN */ |
| 696 | |
| 479 | 697 c = u->peer.connection; |
| 698 | |
| 699 c->data = r; | |
| 591 | 700 |
| 509 | 701 c->write->handler = ngx_http_upstream_send_request_handler; |
| 702 c->read->handler = ngx_http_upstream_process_header; | |
| 479 | 703 |
|
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changeset
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704 c->sendfile &= r->connection->sendfile; |
| 1958 | 705 u->output.sendfile = c->sendfile; |
| 479 | 706 |
| 707 c->pool = r->pool; | |
| 708 c->read->log = c->write->log = c->log = r->connection->log; | |
| 709 | |
| 710 /* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */ | |
| 711 | |
| 712 u->writer.out = NULL; | |
| 713 u->writer.last = &u->writer.out; | |
| 714 u->writer.connection = c; | |
| 715 u->writer.limit = 0; | |
| 716 | |
| 717 if (u->request_sent) { | |
| 509 | 718 if (ngx_http_upstream_reinit(r, u) != NGX_OK) { |
| 719 ngx_http_upstream_finalize_request(r, u, | |
| 720 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 721 return; | |
| 722 } | |
| 479 | 723 } |
| 724 | |
|
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fix segfault when client_body_in_file_only is on, the body is not passed
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diff
changeset
|
725 if (r->request_body |
|
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changeset
|
726 && r->request_body->buf |
|
7c84c877f2d7
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727 && r->request_body->temp_file |
|
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|
728 && r == r->main) |
|
7c84c877f2d7
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changeset
|
729 { |
| 573 | 730 /* |
| 731 * the r->request_body->buf can be reused for one request only, | |
| 732 * the subrequests should allocate their own temporay bufs | |
| 733 */ | |
| 734 | |
| 735 u->output.free = ngx_alloc_chain_link(r->pool); | |
| 736 if (u->output.free == NULL) { | |
| 737 ngx_http_upstream_finalize_request(r, u, | |
| 738 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 739 return; | |
| 479 | 740 } |
| 573 | 741 |
| 742 u->output.free->buf = r->request_body->buf; | |
| 743 u->output.free->next = NULL; | |
| 744 u->output.allocated = 1; | |
| 745 | |
| 746 r->request_body->buf->pos = r->request_body->buf->start; | |
| 747 r->request_body->buf->last = r->request_body->buf->start; | |
| 748 r->request_body->buf->tag = u->output.tag; | |
| 479 | 749 } |
| 750 | |
| 751 u->request_sent = 0; | |
| 752 | |
| 753 if (rc == NGX_AGAIN) { | |
| 754 ngx_add_timer(c->write, u->conf->connect_timeout); | |
| 755 return; | |
| 756 } | |
| 757 | |
| 577 | 758 #if (NGX_HTTP_SSL) |
| 759 | |
| 1658 | 760 if (u->ssl && c->ssl == NULL) { |
| 591 | 761 ngx_http_upstream_ssl_init_connection(r, u, c); |
| 577 | 762 return; |
| 763 } | |
| 764 | |
| 765 #endif | |
| 766 | |
| 479 | 767 ngx_http_upstream_send_request(r, u); |
| 768 } | |
| 769 | |
| 770 | |
| 577 | 771 #if (NGX_HTTP_SSL) |
| 772 | |
| 773 static void | |
| 591 | 774 ngx_http_upstream_ssl_init_connection(ngx_http_request_t *r, |
| 775 ngx_http_upstream_t *u, ngx_connection_t *c) | |
| 776 { | |
| 884 | 777 ngx_int_t rc; |
| 591 | 778 |
| 779 if (ngx_ssl_create_connection(u->conf->ssl, c, | |
| 780 NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
| 781 == NGX_ERROR) | |
| 782 { | |
| 783 ngx_http_upstream_finalize_request(r, u, | |
| 784 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 785 return; | |
| 786 } | |
| 787 | |
| 788 c->sendfile = 0; | |
| 619 | 789 u->output.sendfile = 0; |
| 591 | 790 |
|
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diff
changeset
|
791 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { |
| 591 | 792 ngx_http_upstream_finalize_request(r, u, |
| 793 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 794 return; | |
| 795 } | |
| 796 | |
| 641 | 797 r->connection->log->action = "SSL handshaking to upstream"; |
| 798 | |
| 591 | 799 rc = ngx_ssl_handshake(c); |
| 800 | |
| 801 if (rc == NGX_AGAIN) { | |
| 802 c->ssl->handler = ngx_http_upstream_ssl_handshake; | |
| 803 return; | |
| 804 } | |
| 805 | |
| 806 ngx_http_upstream_ssl_handshake(c); | |
| 807 } | |
| 808 | |
| 809 | |
| 810 static void | |
| 577 | 811 ngx_http_upstream_ssl_handshake(ngx_connection_t *c) |
| 812 { | |
| 813 ngx_http_request_t *r; | |
| 814 ngx_http_upstream_t *u; | |
| 815 | |
| 816 r = c->data; | |
| 817 u = r->upstream; | |
| 818 | |
| 819 if (c->ssl->handshaked) { | |
| 820 | |
| 884 | 821 u->peer.save_session(&u->peer, u->peer.data); |
| 822 | |
| 577 | 823 c->write->handler = ngx_http_upstream_send_request_handler; |
| 824 c->read->handler = ngx_http_upstream_process_header; | |
| 825 | |
| 826 ngx_http_upstream_send_request(r, u); | |
| 827 | |
| 828 return; | |
| 829 } | |
| 830 | |
| 831 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 832 | |
| 833 } | |
| 834 | |
| 835 #endif | |
| 836 | |
| 837 | |
| 509 | 838 static ngx_int_t |
| 487 | 839 ngx_http_upstream_reinit(ngx_http_request_t *r, ngx_http_upstream_t *u) |
| 479 | 840 { |
| 841 ngx_chain_t *cl; | |
| 842 | |
| 509 | 843 if (u->reinit_request(r) != NGX_OK) { |
| 844 return NGX_ERROR; | |
| 845 } | |
| 846 | |
| 1705 | 847 ngx_memzero(&u->headers_in, sizeof(ngx_http_upstream_headers_in_t)); |
| 848 | |
| 849 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, | |
| 591 | 850 sizeof(ngx_table_elt_t)) |
| 851 != NGX_OK) | |
| 509 | 852 { |
| 853 return NGX_ERROR; | |
| 479 | 854 } |
| 855 | |
| 856 /* reinit the request chain */ | |
| 577 | 857 |
| 509 | 858 for (cl = u->request_bufs; cl; cl = cl->next) { |
| 479 | 859 cl->buf->pos = cl->buf->start; |
| 860 cl->buf->file_pos = 0; | |
| 861 } | |
| 862 | |
| 509 | 863 /* reinit the subrequest's ngx_output_chain() context */ |
| 864 | |
| 573 | 865 if (r->request_body && r->request_body->temp_file |
| 597 | 866 && r != r->main && u->output.buf) |
| 573 | 867 { |
| 868 u->output.free = ngx_alloc_chain_link(r->pool); | |
| 869 if (u->output.free == NULL) { | |
| 870 return NGX_ERROR; | |
| 509 | 871 } |
| 573 | 872 |
| 873 u->output.free->buf = u->output.buf; | |
| 874 u->output.free->next = NULL; | |
| 875 | |
| 876 u->output.buf->pos = u->output.buf->start; | |
| 877 u->output.buf->last = u->output.buf->start; | |
| 509 | 878 } |
| 479 | 879 |
| 880 u->output.buf = NULL; | |
| 881 u->output.in = NULL; | |
| 882 u->output.busy = NULL; | |
| 577 | 883 |
| 581 | 884 /* reinit u->buffer */ |
| 577 | 885 |
| 479 | 886 #if 0 |
| 887 if (u->cache) { | |
| 581 | 888 u->buffer.pos = u->buffer.start + u->cache->ctx.header_size; |
| 889 u->buffer.last = u->buffer.pos; | |
| 479 | 890 |
| 891 } else { | |
| 581 | 892 u->buffer.pos = u->buffer.start; |
| 893 u->buffer.last = u->buffer.start; | |
| 479 | 894 } |
| 895 #else | |
| 509 | 896 |
| 581 | 897 u->buffer.pos = u->buffer.start; |
| 898 u->buffer.last = u->buffer.start; | |
| 509 | 899 |
| 479 | 900 #endif |
| 901 | |
| 509 | 902 return NGX_OK; |
| 479 | 903 } |
| 904 | |
| 905 | |
| 487 | 906 static void |
| 907 ngx_http_upstream_send_request(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 479 | 908 { |
|
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diff
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|
909 ngx_int_t rc; |
| 483 | 910 ngx_connection_t *c; |
| 577 | 911 |
| 479 | 912 c = u->peer.connection; |
| 913 | |
| 914 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 915 "http upstream send request"); | |
| 916 | |
|
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parents:
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diff
changeset
|
917 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
| 1166 | 918 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
|
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diff
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|
919 return; |
| 479 | 920 } |
| 921 | |
| 483 | 922 c->log->action = "sending request to upstream"; |
| 479 | 923 |
| 509 | 924 rc = ngx_output_chain(&u->output, u->request_sent ? NULL : u->request_bufs); |
| 479 | 925 |
| 926 u->request_sent = 1; | |
| 927 | |
| 928 if (rc == NGX_ERROR) { | |
| 929 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 930 return; | |
| 931 } | |
| 932 | |
| 933 if (c->write->timer_set) { | |
| 934 ngx_del_timer(c->write); | |
| 935 } | |
| 936 | |
| 937 if (rc == NGX_AGAIN) { | |
| 938 ngx_add_timer(c->write, u->conf->send_timeout); | |
| 939 | |
| 940 if (ngx_handle_write_event(c->write, u->conf->send_lowat) == NGX_ERROR) | |
| 941 { | |
| 942 ngx_http_upstream_finalize_request(r, u, | |
| 943 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 944 return; | |
| 945 } | |
| 946 | |
| 947 return; | |
| 948 } | |
| 949 | |
| 950 /* rc == NGX_OK */ | |
| 951 | |
| 952 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) { | |
| 953 if (ngx_tcp_push(c->fd) == NGX_ERROR) { | |
| 954 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, | |
| 955 ngx_tcp_push_n " failed"); | |
| 956 ngx_http_upstream_finalize_request(r, u, | |
| 957 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 577 | 958 return; |
| 479 | 959 } |
| 960 | |
| 961 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET; | |
| 962 } | |
| 577 | 963 |
| 479 | 964 ngx_add_timer(c->read, u->conf->read_timeout); |
| 965 | |
| 966 #if 1 | |
| 967 if (c->read->ready) { | |
| 577 | 968 |
| 479 | 969 /* post aio operation */ |
| 970 | |
| 971 /* | |
| 972 * TODO comment | |
| 973 * although we can post aio operation just in the end | |
| 974 * of ngx_http_upstream_connect() CHECK IT !!! | |
| 975 * it's better to do here because we postpone header buffer allocation | |
| 976 */ | |
| 977 | |
| 978 ngx_http_upstream_process_header(c->read); | |
| 979 return; | |
| 980 } | |
| 981 #endif | |
| 982 | |
| 509 | 983 c->write->handler = ngx_http_upstream_dummy_handler; |
| 479 | 984 |
| 509 | 985 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
| 479 | 986 ngx_http_upstream_finalize_request(r, u, |
| 987 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 988 return; | |
| 989 } | |
| 990 } | |
| 991 | |
| 992 | |
| 487 | 993 static void |
| 994 ngx_http_upstream_send_request_handler(ngx_event_t *wev) | |
| 479 | 995 { |
| 996 ngx_connection_t *c; | |
| 997 ngx_http_request_t *r; | |
| 998 ngx_http_upstream_t *u; | |
| 999 | |
| 1000 c = wev->data; | |
| 1001 r = c->data; | |
| 1002 u = r->upstream; | |
| 1003 | |
| 1004 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
| 1005 "http upstream send request handler"); | |
| 1006 | |
| 1007 if (wev->timedout) { | |
| 1008 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
| 1009 return; | |
| 1010 } | |
| 1011 | |
| 591 | 1012 #if (NGX_HTTP_SSL) |
| 1013 | |
| 1658 | 1014 if (u->ssl && c->ssl == NULL) { |
| 591 | 1015 ngx_http_upstream_ssl_init_connection(r, u, c); |
| 1016 return; | |
| 1017 } | |
| 1018 | |
| 1019 #endif | |
| 1020 | |
| 651 | 1021 if (u->header_sent) { |
| 1022 wev->handler = ngx_http_upstream_dummy_handler; | |
| 1023 | |
| 1024 (void) ngx_handle_write_event(wev, 0); | |
| 1025 | |
| 1026 return; | |
| 1027 } | |
| 1028 | |
| 479 | 1029 ngx_http_upstream_send_request(r, u); |
| 1030 } | |
| 1031 | |
| 1032 | |
| 487 | 1033 static void |
| 1034 ngx_http_upstream_process_header(ngx_event_t *rev) | |
| 479 | 1035 { |
| 515 | 1036 ssize_t n; |
| 1037 ngx_int_t rc; | |
| 573 | 1038 ngx_str_t *uri, args; |
| 649 | 1039 ngx_uint_t i, flags; |
| 515 | 1040 ngx_list_part_t *part; |
| 1041 ngx_table_elt_t *h; | |
| 1042 ngx_connection_t *c; | |
| 1043 ngx_http_request_t *r; | |
| 1044 ngx_http_upstream_t *u; | |
| 1045 ngx_http_err_page_t *err_page; | |
| 1046 ngx_http_core_loc_conf_t *clcf; | |
| 1047 ngx_http_upstream_header_t *hh; | |
| 1048 ngx_http_upstream_main_conf_t *umcf; | |
| 479 | 1049 |
| 1050 c = rev->data; | |
| 1051 r = c->data; | |
| 1052 u = r->upstream; | |
| 1053 | |
| 1054 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, | |
| 483 | 1055 "http upstream process header"); |
| 479 | 1056 |
| 483 | 1057 c->log->action = "reading response header from upstream"; |
| 479 | 1058 |
| 1059 if (rev->timedout) { | |
| 1060 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
| 1061 return; | |
| 1062 } | |
| 577 | 1063 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1064 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
| 1166 | 1065 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
|
1153
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parents:
1143
diff
changeset
|
1066 return; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1067 } |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1068 |
| 581 | 1069 if (u->buffer.start == NULL) { |
| 1070 u->buffer.start = ngx_palloc(r->pool, u->conf->buffer_size); | |
| 1071 if (u->buffer.start == NULL) { | |
| 479 | 1072 ngx_http_upstream_finalize_request(r, u, |
| 1073 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1074 return; | |
| 1075 } | |
| 1076 | |
| 581 | 1077 u->buffer.pos = u->buffer.start; |
| 1078 u->buffer.last = u->buffer.start; | |
| 1079 u->buffer.end = u->buffer.start + u->conf->buffer_size; | |
| 1080 u->buffer.temporary = 1; | |
| 1081 | |
| 1082 u->buffer.tag = u->output.tag; | |
| 479 | 1083 |
| 1705 | 1084 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, |
| 581 | 1085 sizeof(ngx_table_elt_t)) |
| 1086 != NGX_OK) | |
| 509 | 1087 { |
| 1088 ngx_http_upstream_finalize_request(r, u, | |
| 1089 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1090 return; | |
| 1091 } | |
| 1092 | |
| 479 | 1093 #if 0 |
| 1094 if (u->cache) { | |
| 581 | 1095 u->buffer.pos += u->cache->ctx.header_size; |
| 1096 u->buffer.last = u->buffer.pos; | |
| 479 | 1097 } |
| 1098 #endif | |
| 1099 } | |
| 1100 | |
| 1558 | 1101 n = c->recv(c, u->buffer.last, u->buffer.end - u->buffer.last); |
| 479 | 1102 |
| 1103 if (n == NGX_AGAIN) { | |
| 1104 #if 0 | |
| 1105 ngx_add_timer(rev, u->read_timeout); | |
| 1106 #endif | |
| 1107 | |
| 1108 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 1109 ngx_http_upstream_finalize_request(r, u, | |
| 1110 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1111 return; | |
| 1112 } | |
| 1113 | |
| 1114 return; | |
| 1115 } | |
| 1116 | |
| 1117 if (n == 0) { | |
| 1118 ngx_log_error(NGX_LOG_ERR, rev->log, 0, | |
| 1119 "upstream prematurely closed connection"); | |
| 1120 } | |
| 1121 | |
| 1122 if (n == NGX_ERROR || n == 0) { | |
| 1123 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 1124 return; | |
| 1125 } | |
| 1126 | |
| 581 | 1127 u->buffer.last += n; |
| 479 | 1128 |
| 1129 #if 0 | |
| 1130 u->valid_header_in = 0; | |
| 1131 | |
| 1132 u->peer.cached = 0; | |
| 1133 #endif | |
| 1134 | |
| 1135 rc = u->process_header(r); | |
| 1136 | |
| 1137 if (rc == NGX_AGAIN) { | |
| 1138 #if 0 | |
| 1139 ngx_add_timer(rev, u->read_timeout); | |
| 1140 #endif | |
| 1141 | |
| 581 | 1142 if (u->buffer.pos == u->buffer.end) { |
| 479 | 1143 ngx_log_error(NGX_LOG_ERR, rev->log, 0, |
| 1144 "upstream sent too big header"); | |
| 1145 | |
| 1146 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
| 1147 return; | |
| 1148 } | |
| 1149 | |
| 1150 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 1151 ngx_http_upstream_finalize_request(r, u, | |
| 1152 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1153 return; | |
| 1154 } | |
| 1155 | |
| 1156 return; | |
| 1157 } | |
| 1158 | |
| 1159 if (rc == NGX_HTTP_UPSTREAM_INVALID_HEADER) { | |
| 1160 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
| 1161 return; | |
| 1162 } | |
| 1163 | |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
1693
diff
changeset
|
1164 if (rc == NGX_ERROR) { |
| 479 | 1165 ngx_http_upstream_finalize_request(r, u, |
| 1166 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1167 return; | |
| 1168 } | |
| 1169 | |
| 1170 /* rc == NGX_OK */ | |
| 1171 | |
|
777
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<!--#include virtual=... set=... -->
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parents:
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diff
changeset
|
1172 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
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diff
changeset
|
1173 && r->subrequest_in_memory) |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
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diff
changeset
|
1174 { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
757
diff
changeset
|
1175 u->buffer.last = u->buffer.pos; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1176 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
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diff
changeset
|
1177 |
| 529 | 1178 if (u->headers_in.status_n == NGX_HTTP_INTERNAL_SERVER_ERROR) { |
| 509 | 1179 |
| 1180 if (u->peer.tries > 1 | |
| 1181 && (u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_HTTP_500)) | |
| 1182 { | |
| 1183 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_HTTP_500); | |
| 1184 return; | |
| 1185 } | |
| 1186 | |
| 1187 #if (NGX_HTTP_CACHE) | |
| 1188 | |
| 1189 if (u->peer.tries == 0 | |
| 1190 && u->stale | |
| 1191 && (u->conf->use_stale & NGX_HTTP_UPSTREAM_FT_HTTP_500)) | |
| 1192 { | |
| 1193 ngx_http_upstream_finalize_request(r, u, | |
| 529 | 1194 ngx_http_send_cached_response(r)); |
| 509 | 1195 return; |
| 1196 } | |
| 1197 | |
| 1198 #endif | |
| 1199 } | |
| 1200 | |
| 597 | 1201 if (u->headers_in.status_n == NGX_HTTP_NOT_FOUND) { |
| 1202 | |
| 1203 if (u->peer.tries > 1 | |
| 1204 && u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_HTTP_404) | |
| 1205 { | |
| 1206 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_HTTP_404); | |
| 1207 return; | |
| 1208 } | |
| 1209 | |
| 675 | 1210 if (u->conf->intercept_404) { |
| 1211 ngx_http_upstream_finalize_request(r, u, NGX_HTTP_NOT_FOUND); | |
| 597 | 1212 return; |
| 1213 } | |
| 509 | 1214 } |
| 1215 | |
| 1216 | |
| 529 | 1217 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST |
| 675 | 1218 && u->conf->intercept_errors) |
| 487 | 1219 { |
| 1220 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1221 | |
| 1222 if (clcf->error_pages) { | |
| 1223 | |
| 1224 err_page = clcf->error_pages->elts; | |
| 1225 for (i = 0; i < clcf->error_pages->nelts; i++) { | |
| 529 | 1226 if (err_page[i].status == (ngx_int_t) u->headers_in.status_n) { |
| 1227 | |
| 1228 if (u->headers_in.status_n == NGX_HTTP_UNAUTHORIZED) { | |
| 1229 | |
| 1230 r->headers_out.www_authenticate = | |
| 1231 ngx_list_push(&r->headers_out.headers); | |
| 1232 | |
| 1233 if (r->headers_out.www_authenticate == NULL) { | |
| 1234 ngx_http_upstream_finalize_request(r, u, | |
| 1235 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1236 return; | |
| 1237 } | |
| 1238 | |
| 577 | 1239 *r->headers_out.www_authenticate = |
| 529 | 1240 *u->headers_in.www_authenticate; |
| 1241 } | |
| 1242 | |
| 487 | 1243 ngx_http_upstream_finalize_request(r, u, |
| 529 | 1244 u->headers_in.status_n); |
| 487 | 1245 return; |
| 1246 } | |
| 1247 } | |
| 1248 } | |
| 1249 } | |
| 1250 | |
| 681 | 1251 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); |
| 1252 | |
| 1705 | 1253 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
|
1254 |
| 515 | 1255 ngx_http_upstream_finalize_request(r, u, NGX_DECLINED); |
| 1256 | |
| 1705 | 1257 part = &u->headers_in.headers.part; |
| 515 | 1258 h = part->elts; |
| 1259 | |
| 1260 for (i = 0; /* void */; i++) { | |
| 1261 | |
| 1262 if (i >= part->nelts) { | |
| 1263 if (part->next == NULL) { | |
| 1264 break; | |
| 1265 } | |
| 577 | 1266 |
| 515 | 1267 part = part->next; |
| 1268 h = part->elts; | |
| 1269 i = 0; | |
| 1270 } | |
| 1271 | |
| 649 | 1272 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, |
| 1273 h[i].lowcase_key, h[i].key.len); | |
| 1274 | |
| 1275 if (hh && hh->redirect) { | |
| 1276 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
|
1277 ngx_http_finalize_request(r, |
|
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1278 NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 515 | 1279 return; |
| 1280 } | |
| 1281 } | |
| 1282 } | |
| 1283 | |
| 1705 | 1284 uri = &u->headers_in.x_accel_redirect->value; |
| 573 | 1285 args.len = 0; |
| 1286 args.data = NULL; | |
| 1287 flags = 0; | |
| 1288 | |
| 1289 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
|
1290 ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); |
| 573 | 1291 return; |
| 1292 } | |
| 1293 | |
| 1294 if (flags & NGX_HTTP_ZERO_IN_URI) { | |
| 1295 r->zero_in_uri = 1; | |
| 1296 } | |
| 1297 | |
| 653 | 1298 if (r->method != NGX_HTTP_HEAD) { |
| 1299 r->method = NGX_HTTP_GET; | |
| 1300 } | |
| 1301 | |
| 573 | 1302 ngx_http_internal_redirect(r, uri, &args); |
| 515 | 1303 return; |
| 1304 } | |
| 1305 | |
| 1705 | 1306 part = &u->headers_in.headers.part; |
| 509 | 1307 h = part->elts; |
| 1308 | |
| 1309 for (i = 0; /* void */; i++) { | |
| 479 | 1310 |
| 509 | 1311 if (i >= part->nelts) { |
| 1312 if (part->next == NULL) { | |
| 1313 break; | |
| 1314 } | |
| 577 | 1315 |
| 509 | 1316 part = part->next; |
| 1317 h = part->elts; | |
| 1318 i = 0; | |
| 1319 } | |
| 1320 | |
| 649 | 1321 if (ngx_hash_find(&u->conf->hide_headers_hash, h[i].hash, |
| 1322 h[i].lowcase_key, h[i].key.len)) | |
| 509 | 1323 { |
| 649 | 1324 continue; |
| 1325 } | |
| 1326 | |
| 1327 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, | |
| 1328 h[i].lowcase_key, h[i].key.len); | |
| 1329 | |
| 1330 if (hh) { | |
| 1331 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
| 509 | 1332 ngx_http_upstream_finalize_request(r, u, |
| 1333 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1334 return; | |
| 1335 } | |
| 1336 | |
| 1337 continue; | |
| 1338 } | |
| 1339 | |
| 1340 if (ngx_http_upstream_copy_header_line(r, &h[i], 0) != NGX_OK) { | |
| 1341 ngx_http_upstream_finalize_request(r, u, | |
| 1342 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1343 return; | |
| 1344 } | |
| 1345 } | |
| 1346 | |
| 649 | 1347 if (r->headers_out.server && r->headers_out.server->value.data == NULL) { |
| 1348 r->headers_out.server->hash = 0; | |
| 1349 } | |
| 1350 | |
| 1351 if (r->headers_out.date && r->headers_out.date->value.data == NULL) { | |
| 1352 r->headers_out.date->hash = 0; | |
| 1353 } | |
| 1354 | |
| 529 | 1355 r->headers_out.status = u->headers_in.status_n; |
| 1356 r->headers_out.status_line = u->headers_in.status_line; | |
| 1357 | |
|
1885
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
1358 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
|
1359 |
| 581 | 1360 if (r->headers_out.content_length_n != -1) { |
| 1361 u->length = (size_t) r->headers_out.content_length_n; | |
| 1362 | |
| 1363 } else { | |
| 1364 u->length = NGX_MAX_SIZE_T_VALUE; | |
| 1365 } | |
| 1366 | |
|
777
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1367 if (!r->subrequest_in_memory) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1368 ngx_http_upstream_send_response(r, u); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1369 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1370 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1371 |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1372 /* subrequest content in memory */ |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1373 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1374 if (u->input_filter == NULL) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1375 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1376 u->input_filter = ngx_http_upstream_non_buffered_filter; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1377 u->input_filter_ctx = r; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1378 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1379 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1380 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1381 ngx_http_upstream_finalize_request(r, u, |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1382 NGX_HTTP_INTERNAL_SERVER_ERROR); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1383 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1384 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1385 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1386 if (u->buffer.last - u->buffer.pos >= (ssize_t) u->length) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1387 if (u->input_filter(u->input_filter_ctx, 0) == NGX_ERROR) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1388 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1389 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1390 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1391 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1392 ngx_http_upstream_finalize_request(r, u, 0); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1393 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1394 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1395 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1396 rev->handler = ngx_http_upstream_process_body_in_memory; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1397 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1398 ngx_http_upstream_process_body_in_memory(rev); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1399 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1400 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1401 |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1402 static ngx_int_t |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1403 ngx_http_upstream_test_connect(ngx_connection_t *c) |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1404 { |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1405 int err; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1406 socklen_t len; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1407 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1408 #if (NGX_HAVE_KQUEUE) |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1409 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1410 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
| 1166 | 1411 if (c->write->pending_eof) { |
|
1469
0a269c464eaf
connection error should be logged with "connecting to upstream" action,
Igor Sysoev <igor@sysoev.ru>
parents:
1468
diff
changeset
|
1412 c->log->action = "connecting to upstream"; |
| 1166 | 1413 (void) ngx_connection_error(c, c->write->kq_errno, |
| 1414 "kevent() reported that connect() failed"); | |
| 1415 return NGX_ERROR; | |
| 1416 } | |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1417 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1418 } else |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1419 #endif |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1420 { |
| 1166 | 1421 err = 0; |
| 1422 len = sizeof(int); | |
| 1423 | |
| 1424 /* | |
| 1425 * BSDs and Linux return 0 and set a pending error in err | |
| 1426 * Solaris returns -1 and sets errno | |
| 1427 */ | |
| 1428 | |
| 1429 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
| 1430 == -1) | |
| 1431 { | |
| 1432 err = ngx_errno; | |
| 1433 } | |
| 1434 | |
| 1435 if (err) { | |
|
1469
0a269c464eaf
connection error should be logged with "connecting to upstream" action,
Igor Sysoev <igor@sysoev.ru>
parents:
1468
diff
changeset
|
1436 c->log->action = "connecting to upstream"; |
| 1166 | 1437 (void) ngx_connection_error(c, err, "connect() failed"); |
| 1438 return NGX_ERROR; | |
| 1439 } | |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1440 } |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1441 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1442 return NGX_OK; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1443 } |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1444 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1445 |
|
777
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parents:
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diff
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|
1446 static void |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1447 ngx_http_upstream_process_body_in_memory(ngx_event_t *rev) |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1448 { |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1449 size_t size; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1450 ssize_t n; |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1451 ngx_buf_t *b; |
|
4ab852b691f5
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parents:
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diff
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|
1452 ngx_connection_t *c; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
757
diff
changeset
|
1453 ngx_http_request_t *r; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1454 ngx_http_upstream_t *u; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1455 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1456 c = rev->data; |
|
4ab852b691f5
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parents:
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diff
changeset
|
1457 r = c->data; |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1458 u = r->upstream; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1459 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1460 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1461 "http upstream process body on memory"); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1462 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1463 if (rev->timedout) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1464 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1465 ngx_http_upstream_finalize_request(r, u, NGX_ETIMEDOUT); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1466 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1467 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1468 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1469 b = &u->buffer; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1470 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
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diff
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|
1471 for ( ;; ) { |
|
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|
1472 |
|
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|
1473 size = b->end - b->last; |
|
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|
1474 |
|
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|
1475 if (size == 0) { |
|
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diff
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|
1476 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
|
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diff
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|
1477 "upstream buffer is too small to read repsonse"); |
|
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|
1478 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
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diff
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|
1479 return; |
|
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diff
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|
1480 } |
|
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|
1481 |
|
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|
1482 n = c->recv(c, b->last, size); |
|
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|
1483 |
|
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|
1484 if (n == NGX_AGAIN) { |
|
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diff
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|
1485 break; |
|
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diff
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|
1486 } |
|
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|
1487 |
|
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|
1488 if (n == 0 || n == NGX_ERROR) { |
|
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|
1489 ngx_http_upstream_finalize_request(r, u, n); |
|
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|
1490 return; |
|
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|
1491 } |
|
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|
1492 |
|
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|
1493 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
|
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|
1494 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
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1495 return; |
|
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|
1496 } |
|
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|
1497 |
|
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|
1498 if (!rev->ready) { |
|
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|
1499 break; |
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1500 } |
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1501 } |
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1502 |
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1503 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
|
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|
1504 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
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1505 return; |
|
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|
1506 } |
|
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|
1507 |
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|
1508 if (rev->active) { |
|
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|
1509 ngx_add_timer(rev, u->conf->read_timeout); |
|
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1510 |
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1511 } else if (rev->timer_set) { |
|
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1512 ngx_del_timer(rev); |
|
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|
1513 } |
| 681 | 1514 } |
| 1515 | |
| 1516 | |
| 1517 static void | |
| 1518 ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 1519 { | |
| 1520 int tcp_nodelay; | |
| 1521 ssize_t size; | |
| 1522 ngx_int_t rc; | |
| 1523 ngx_event_pipe_t *p; | |
| 1524 ngx_connection_t *c; | |
| 1525 ngx_pool_cleanup_t *cl; | |
| 1526 ngx_pool_cleanup_file_t *clf; | |
| 1527 ngx_http_core_loc_conf_t *clcf; | |
| 1528 | |
| 509 | 1529 rc = ngx_http_send_header(r); |
| 479 | 1530 |
|
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diff
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|
1531 if (rc == NGX_ERROR || rc > NGX_OK || r->post_action || r->header_only) { |
| 485 | 1532 ngx_http_upstream_finalize_request(r, u, rc); |
| 479 | 1533 return; |
| 1534 } | |
| 1535 | |
| 1536 u->header_sent = 1; | |
| 1537 | |
| 573 | 1538 if (r->request_body && r->request_body->temp_file) { |
| 563 | 1539 for (cl = r->pool->cleanup; cl; cl = cl->next) { |
| 1540 if (cl->handler == ngx_pool_cleanup_file) { | |
| 1541 clf = cl->data; | |
| 1542 | |
| 1543 if (clf->fd == r->request_body->temp_file->file.fd) { | |
| 1544 cl->handler(clf); | |
| 1545 cl->handler = NULL; | |
| 659 | 1546 r->request_body->temp_file->file.fd = NGX_INVALID_FILE; |
| 563 | 1547 break; |
| 1548 } | |
| 1549 } | |
| 1550 } | |
| 1551 } | |
| 1552 | |
| 583 | 1553 c = r->connection; |
| 1554 | |
| 581 | 1555 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| 1556 | |
| 649 | 1557 if (!u->buffering) { |
| 581 | 1558 |
| 1559 if (u->input_filter == NULL) { | |
| 1560 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; | |
| 1561 u->input_filter = ngx_http_upstream_non_buffered_filter; | |
| 1562 u->input_filter_ctx = r; | |
| 1563 } | |
| 1564 | |
| 1565 u->peer.connection->read->handler = | |
| 1566 ngx_http_upstream_process_non_buffered_body; | |
| 1567 r->write_event_handler = | |
| 1568 ngx_http_upstream_process_non_buffered_downstream; | |
| 1569 | |
| 1570 r->limit_rate = 0; | |
| 1571 | |
| 1572 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { | |
| 1573 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1574 return; | |
| 1575 } | |
| 1576 | |
| 583 | 1577 if (clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
| 1578 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay"); | |
| 1579 | |
| 1580 tcp_nodelay = 1; | |
| 1581 | |
| 1582 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
| 1583 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
| 1584 { | |
| 1585 ngx_connection_error(c, ngx_socket_errno, | |
| 1586 "setsockopt(TCP_NODELAY) failed"); | |
| 1587 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1588 return; | |
| 1589 } | |
| 1590 | |
| 1591 c->tcp_nodelay = NGX_TCP_NODELAY_SET; | |
| 1592 } | |
| 1593 | |
| 581 | 1594 size = u->buffer.last - u->buffer.pos; |
| 1595 | |
| 1596 if (size) { | |
| 1597 u->buffer.last = u->buffer.pos; | |
| 1598 | |
| 1599 if (u->input_filter(u->input_filter_ctx, size) == NGX_ERROR) { | |
| 1600 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1601 return; | |
| 1602 } | |
| 1603 | |
| 583 | 1604 ngx_http_upstream_process_non_buffered_body(c->write); |
| 581 | 1605 |
| 1606 } else { | |
| 1607 u->buffer.pos = u->buffer.start; | |
| 1608 u->buffer.last = u->buffer.start; | |
| 1609 | |
| 1610 if (ngx_http_send_special(r, NGX_HTTP_FLUSH) == NGX_ERROR) { | |
| 1611 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1612 return; | |
| 1613 } | |
|
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1614 |
|
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1615 if (u->peer.connection->read->ready) { |
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1616 ngx_http_upstream_process_non_buffered_body( |
|
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1617 u->peer.connection->read); |
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|
1618 } |
| 581 | 1619 } |
| 1620 | |
| 1621 return; | |
| 1622 } | |
| 1623 | |
| 479 | 1624 /* TODO: preallocate event_pipe bufs, look "Content-Length" */ |
| 1625 | |
| 1626 #if 0 | |
| 1627 | |
| 1628 if (u->cache && u->cache->ctx.file.fd != NGX_INVALID_FILE) { | |
| 1629 if (ngx_close_file(u->cache->ctx.file.fd) == NGX_FILE_ERROR) { | |
| 583 | 1630 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
| 479 | 1631 ngx_close_file_n " \"%s\" failed", |
| 1632 u->cache->ctx.file.name.data); | |
| 1633 } | |
| 1634 } | |
| 1635 | |
| 1565 | 1636 if (u->cacheable) { |
| 581 | 1637 header = (ngx_http_cache_header_t *) u->buffer->start; |
| 479 | 1638 |
| 1639 header->expires = u->cache->ctx.expires; | |
| 1640 header->last_modified = u->cache->ctx.last_modified; | |
| 1641 header->date = u->cache->ctx.date; | |
| 1642 header->length = r->headers_out.content_length_n; | |
| 1643 u->cache->ctx.length = r->headers_out.content_length_n; | |
| 1644 | |
| 1645 header->key_len = u->cache->ctx.key0.len; | |
| 1646 ngx_memcpy(&header->key, u->cache->ctx.key0.data, header->key_len); | |
| 1647 header->key[header->key_len] = LF; | |
| 1648 } | |
| 1649 | |
| 1650 #endif | |
| 1651 | |
| 581 | 1652 p = u->pipe; |
| 479 | 1653 |
| 1654 p->output_filter = (ngx_event_pipe_output_filter_pt) ngx_http_output_filter; | |
| 1655 p->output_ctx = r; | |
| 1656 p->tag = u->output.tag; | |
| 577 | 1657 p->bufs = u->conf->bufs; |
| 479 | 1658 p->busy_size = u->conf->busy_buffers_size; |
| 1659 p->upstream = u->peer.connection; | |
| 583 | 1660 p->downstream = c; |
| 479 | 1661 p->pool = r->pool; |
| 583 | 1662 p->log = c->log; |
| 577 | 1663 |
| 1565 | 1664 p->cacheable = u->cacheable || u->store; |
| 479 | 1665 |
| 501 | 1666 p->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
| 1667 if (p->temp_file == NULL) { | |
| 479 | 1668 ngx_http_upstream_finalize_request(r, u, 0); |
| 1669 return; | |
| 1670 } | |
| 1671 | |
| 1672 p->temp_file->file.fd = NGX_INVALID_FILE; | |
| 583 | 1673 p->temp_file->file.log = c->log; |
| 479 | 1674 p->temp_file->path = u->conf->temp_path; |
| 1675 p->temp_file->pool = r->pool; | |
| 577 | 1676 |
| 1565 | 1677 if (u->cacheable || u->store) { |
| 479 | 1678 p->temp_file->persistent = 1; |
|
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|
1679 |
| 479 | 1680 } else { |
| 667 | 1681 p->temp_file->log_level = NGX_LOG_WARN; |
| 479 | 1682 p->temp_file->warn = "an upstream response is buffered " |
| 1683 "to a temporary file"; | |
| 1684 } | |
| 1685 | |
| 1686 p->max_temp_file_size = u->conf->max_temp_file_size; | |
| 1687 p->temp_file_write_size = u->conf->temp_file_write_size; | |
| 1688 | |
| 501 | 1689 p->preread_bufs = ngx_alloc_chain_link(r->pool); |
| 1690 if (p->preread_bufs == NULL) { | |
| 479 | 1691 ngx_http_upstream_finalize_request(r, u, 0); |
| 1692 return; | |
| 1693 } | |
|
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1284
diff
changeset
|
1694 |
| 581 | 1695 p->preread_bufs->buf = &u->buffer; |
| 479 | 1696 p->preread_bufs->next = NULL; |
| 581 | 1697 u->buffer.recycled = 1; |
| 1698 | |
| 1699 p->preread_size = u->buffer.last - u->buffer.pos; | |
| 479 | 1700 |
| 1565 | 1701 if (u->cacheable) { |
|
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changeset
|
1702 |
| 479 | 1703 p->buf_to_file = ngx_calloc_buf(r->pool); |
| 1704 if (p->buf_to_file == NULL) { | |
| 1705 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1706 return; | |
| 1707 } | |
|
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|
1708 |
| 581 | 1709 p->buf_to_file->pos = u->buffer.start; |
| 1710 p->buf_to_file->last = u->buffer.pos; | |
| 479 | 1711 p->buf_to_file->temporary = 1; |
| 1712 } | |
| 1713 | |
| 1714 if (ngx_event_flags & NGX_USE_AIO_EVENT) { | |
| 1715 /* the posted aio operation may currupt a shadow buffer */ | |
| 1716 p->single_buf = 1; | |
| 1717 } | |
| 1718 | |
| 1719 /* TODO: p->free_bufs = 0 if use ngx_create_chain_of_bufs() */ | |
| 1720 p->free_bufs = 1; | |
| 1721 | |
| 1722 /* | |
| 581 | 1723 * event_pipe would do u->buffer.last += p->preread_size |
| 479 | 1724 * as though these bytes were read |
| 1725 */ | |
| 581 | 1726 u->buffer.last = u->buffer.pos; |
| 479 | 1727 |
| 1728 if (u->conf->cyclic_temp_file) { | |
| 1729 | |
| 1730 /* | |
| 1731 * we need to disable the use of sendfile() if we use cyclic temp file | |
| 1732 * because the writing a new data may interfere with sendfile() | |
| 1733 * that uses the same kernel file pages (at least on FreeBSD) | |
| 1734 */ | |
| 1735 | |
| 1736 p->cyclic_temp_file = 1; | |
| 583 | 1737 c->sendfile = 0; |
| 479 | 1738 |
| 1739 } else { | |
| 1740 p->cyclic_temp_file = 0; | |
| 1741 } | |
| 1742 | |
| 1743 p->read_timeout = u->conf->read_timeout; | |
| 1744 p->send_timeout = clcf->send_timeout; | |
| 1745 p->send_lowat = clcf->send_lowat; | |
| 1746 | |
| 509 | 1747 u->peer.connection->read->handler = ngx_http_upstream_process_body; |
| 1748 r->write_event_handler = ngx_http_upstream_process_downstream; | |
| 479 | 1749 |
| 1750 ngx_http_upstream_process_body(u->peer.connection->read); | |
| 1751 } | |
| 1752 | |
| 1753 | |
| 487 | 1754 static void |
| 581 | 1755 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r) |
| 1756 { | |
| 1757 ngx_http_upstream_process_non_buffered_body(r->connection->write); | |
| 1758 } | |
| 1759 | |
| 1760 | |
| 1761 static void | |
| 1762 ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev) | |
| 1763 { | |
| 1764 size_t size; | |
| 1765 ssize_t n; | |
| 1766 ngx_buf_t *b; | |
| 583 | 1767 ngx_int_t rc; |
| 581 | 1768 ngx_uint_t do_write; |
| 884 | 1769 ngx_connection_t *c, *downstream, *upstream; |
| 581 | 1770 ngx_http_request_t *r; |
| 1771 ngx_http_upstream_t *u; | |
| 1772 ngx_http_core_loc_conf_t *clcf; | |
| 1773 | |
| 1774 c = ev->data; | |
|
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1775 r = c->data; |
|
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1776 u = r->upstream; |
| 581 | 1777 |
| 1778 if (ev->write) { | |
| 1779 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1780 "http upstream process non buffered downstream"); | |
| 1781 c->log->action = "sending to client"; | |
| 1782 | |
| 1783 } else { | |
| 1784 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1785 "http upstream process non buffered upstream"); | |
| 1786 c->log->action = "reading upstream"; | |
| 1787 } | |
| 1788 | |
| 1789 if (ev->timedout) { | |
| 1790 if (ev->write) { | |
| 1791 c->timedout = 1; | |
| 611 | 1792 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
| 1793 | |
| 581 | 1794 } else { |
| 611 | 1795 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
| 581 | 1796 } |
|
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1797 |
|
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1798 ngx_http_upstream_finalize_request(r, u, 0); |
|
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|
1799 return; |
| 581 | 1800 } |
| 1801 | |
| 884 | 1802 downstream = r->connection; |
| 1803 upstream = u->peer.connection; | |
| 581 | 1804 |
| 1805 b = &u->buffer; | |
| 1806 | |
| 1807 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1808 | |
| 657 | 1809 do_write = ev->write || u->length == 0; |
| 581 | 1810 |
| 1811 for ( ;; ) { | |
| 1812 | |
| 1813 if (do_write) { | |
| 1814 | |
| 1815 if (u->out_bufs || u->busy_bufs) { | |
| 583 | 1816 rc = ngx_http_output_filter(r, u->out_bufs); |
| 1817 | |
| 884 | 1818 if (downstream->destroyed) { |
| 583 | 1819 return; |
| 1820 } | |
| 1821 | |
| 1822 if (rc == NGX_ERROR) { | |
| 581 | 1823 ngx_http_upstream_finalize_request(r, u, 0); |
| 1824 return; | |
| 1825 } | |
| 1826 | |
| 1827 ngx_chain_update_chains(&u->free_bufs, &u->busy_bufs, | |
| 1828 &u->out_bufs, u->output.tag); | |
| 1829 } | |
| 1830 | |
| 1831 if (u->busy_bufs == NULL) { | |
| 1832 | |
| 1833 if (u->length == 0 | |
| 884 | 1834 || upstream->read->eof |
| 1835 || upstream->read->error) | |
| 581 | 1836 { |
| 1837 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1838 return; | |
| 1839 } | |
| 1840 | |
| 1841 b->pos = b->start; | |
| 1842 b->last = b->start; | |
| 1843 } | |
| 1844 } | |
| 1845 | |
| 1846 size = b->end - b->last; | |
| 1847 | |
| 1848 if (size > u->length) { | |
| 1849 size = u->length; | |
| 1850 } | |
| 1851 | |
| 884 | 1852 if (size && upstream->read->ready) { |
| 1853 | |
| 1854 n = upstream->recv(upstream, b->last, size); | |
| 581 | 1855 |
| 1856 if (n == NGX_AGAIN) { | |
| 1857 break; | |
| 1858 } | |
| 1859 | |
| 1860 if (n > 0) { | |
| 1861 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { | |
| 1862 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1863 return; | |
| 1864 } | |
| 1865 } | |
| 1866 | |
| 1867 do_write = 1; | |
| 1868 | |
| 1869 continue; | |
| 1870 } | |
| 1871 | |
| 1872 break; | |
| 1873 } | |
| 1874 | |
| 884 | 1875 if (downstream->data == r) { |
| 1876 if (ngx_handle_write_event(downstream->write, clcf->send_lowat) | |
| 583 | 1877 == NGX_ERROR) |
| 1878 { | |
| 1879 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1880 return; | |
| 1881 } | |
| 581 | 1882 } |
| 1883 | |
|
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|
1884 if (downstream->write->active && !downstream->write->ready) { |
| 884 | 1885 ngx_add_timer(downstream->write, clcf->send_timeout); |
| 1886 | |
| 1887 } else if (downstream->write->timer_set) { | |
| 1888 ngx_del_timer(downstream->write); | |
| 581 | 1889 } |
| 1890 | |
| 884 | 1891 if (ngx_handle_read_event(upstream->read, 0) == NGX_ERROR) { |
| 581 | 1892 ngx_http_upstream_finalize_request(r, u, 0); |
| 1893 return; | |
| 1894 } | |
| 1895 | |
|
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1896 if (upstream->read->active && !upstream->read->ready) { |
| 884 | 1897 ngx_add_timer(upstream->read, u->conf->read_timeout); |
| 1898 | |
| 1899 } else if (upstream->read->timer_set) { | |
| 1900 ngx_del_timer(upstream->read); | |
| 581 | 1901 } |
| 1902 } | |
| 1903 | |
| 1904 | |
| 1905 static ngx_int_t | |
| 1906 ngx_http_upstream_non_buffered_filter_init(void *data) | |
| 1907 { | |
| 1908 return NGX_OK; | |
| 1909 } | |
| 1910 | |
| 1911 | |
| 1912 static ngx_int_t | |
| 1913 ngx_http_upstream_non_buffered_filter(void *data, ssize_t bytes) | |
| 1914 { | |
| 1915 ngx_http_request_t *r = data; | |
| 1916 | |
| 1917 ngx_buf_t *b; | |
| 1918 ngx_chain_t *cl, **ll; | |
| 1919 ngx_http_upstream_t *u; | |
| 1920 | |
| 1921 u = r->upstream; | |
| 1922 | |
| 1923 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
| 1924 ll = &cl->next; | |
| 1925 } | |
| 1926 | |
| 1927 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
| 1928 if (cl == NULL) { | |
| 1929 return NGX_ERROR; | |
| 1930 } | |
| 1931 | |
| 1932 *ll = cl; | |
| 1933 | |
| 1934 cl->buf->flush = 1; | |
| 1935 cl->buf->memory = 1; | |
| 1936 | |
| 1937 b = &u->buffer; | |
| 1938 | |
| 1939 cl->buf->pos = b->last; | |
| 1940 b->last += bytes; | |
| 1941 cl->buf->last = b->last; | |
|
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|
1942 cl->buf->tag = u->output.tag; |
| 581 | 1943 |
| 1944 if (u->length == NGX_MAX_SIZE_T_VALUE) { | |
| 1945 return NGX_OK; | |
| 1946 } | |
| 1947 | |
| 1948 u->length -= bytes; | |
| 1949 | |
| 1950 return NGX_OK; | |
| 1951 } | |
| 1952 | |
| 1953 | |
| 1954 static void | |
| 509 | 1955 ngx_http_upstream_process_downstream(ngx_http_request_t *r) |
| 1956 { | |
| 1957 ngx_http_upstream_process_body(r->connection->write); | |
| 1958 } | |
| 1959 | |
| 1960 | |
| 1961 static void | |
| 487 | 1962 ngx_http_upstream_process_body(ngx_event_t *ev) |
| 479 | 1963 { |
|
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1964 ngx_temp_file_t *tf; |
| 509 | 1965 ngx_event_pipe_t *p; |
| 583 | 1966 ngx_connection_t *c, *downstream; |
| 1098 | 1967 ngx_http_log_ctx_t *ctx; |
| 479 | 1968 ngx_http_request_t *r; |
| 1969 ngx_http_upstream_t *u; | |
| 1970 | |
| 1971 c = ev->data; | |
| 1972 r = c->data; | |
| 1973 u = r->upstream; | |
| 583 | 1974 downstream = r->connection; |
| 479 | 1975 |
| 1976 if (ev->write) { | |
| 483 | 1977 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 1978 "http upstream process downstream"); | |
| 1979 c->log->action = "sending to client"; | |
| 577 | 1980 |
| 479 | 1981 } else { |
| 483 | 1982 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 1983 "http upstream process upstream"); | |
| 1984 c->log->action = "reading upstream"; | |
| 1098 | 1985 |
| 1986 ctx = c->log->data; | |
| 1987 ctx->current_request = r; | |
| 479 | 1988 } |
| 577 | 1989 |
| 581 | 1990 p = u->pipe; |
| 479 | 1991 |
| 1992 if (ev->timedout) { | |
| 1993 if (ev->write) { | |
| 527 | 1994 if (ev->delayed) { |
| 1995 | |
| 1996 ev->timedout = 0; | |
| 1997 ev->delayed = 0; | |
| 1998 | |
| 1999 if (!ev->ready) { | |
| 2000 ngx_add_timer(ev, p->send_timeout); | |
| 2001 | |
| 2002 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) | |
| 2003 { | |
| 2004 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2005 return; | |
| 2006 } | |
| 2007 | |
| 2008 return; | |
| 2009 } | |
| 2010 | |
| 2011 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { | |
| 583 | 2012 |
| 2013 if (downstream->destroyed) { | |
| 2014 return; | |
| 2015 } | |
| 2016 | |
| 527 | 2017 ngx_http_upstream_finalize_request(r, u, 0); |
| 2018 return; | |
| 2019 } | |
| 2020 | |
| 2021 } else { | |
| 2022 p->downstream_error = 1; | |
| 577 | 2023 c->timedout = 1; |
| 611 | 2024 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
| 527 | 2025 } |
| 479 | 2026 |
| 2027 } else { | |
| 577 | 2028 p->upstream_error = 1; |
| 611 | 2029 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
| 479 | 2030 } |
| 2031 | |
| 2032 } else { | |
| 527 | 2033 if (ev->write && ev->delayed) { |
| 2034 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 2035 "http downstream delayed"); | |
| 2036 | |
| 2037 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) { | |
| 2038 return; | |
| 2039 } | |
| 2040 | |
| 2041 return; | |
| 2042 } | |
| 2043 | |
| 479 | 2044 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { |
| 583 | 2045 |
| 2046 if (downstream->destroyed) { | |
| 2047 return; | |
| 2048 } | |
| 2049 | |
| 479 | 2050 ngx_http_upstream_finalize_request(r, u, 0); |
| 2051 return; | |
| 2052 } | |
| 2053 } | |
| 577 | 2054 |
| 479 | 2055 if (u->peer.connection) { |
| 2056 | |
|
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proxy_store and fastcgi_store
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|
2057 if (u->store) { |
|
13a4ce6e7f1e
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Igor Sysoev <igor@sysoev.ru>
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|
2058 |
|
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|
2059 tf = u->pipe->temp_file; |
|
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|
2060 |
|
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|
2061 if (p->upstream_eof |
|
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|
2062 && u->headers_in.status_n == NGX_HTTP_OK |
|
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|
2063 && (u->headers_in.content_length_n == -1 |
|
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diff
changeset
|
2064 || (u->headers_in.content_length_n == tf->offset))) |
|
e5897822515f
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|
2065 { |
|
1291
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|
2066 ngx_http_upstream_store(r, u); |
|
13a4ce6e7f1e
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
2067 |
|
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
2068 } else if ((p->upstream_error |
|
13a4ce6e7f1e
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2069 || (p->upstream_eof |
|
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|
2070 && u->headers_in.status_n != NGX_HTTP_OK)) |
|
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|
2071 && tf->file.fd != NGX_INVALID_FILE) |
|
1291
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|
2072 { |
|
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diff
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|
2073 if (ngx_delete_file(tf->file.name.data) == NGX_FILE_ERROR) { |
|
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diff
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|
2074 |
|
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|
2075 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
|
13a4ce6e7f1e
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diff
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|
2076 ngx_delete_file_n " \"%s\" failed", |
|
13a4ce6e7f1e
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2077 u->pipe->temp_file->file.name.data); |
|
13a4ce6e7f1e
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|
2078 } |
|
13a4ce6e7f1e
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|
2079 } |
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|
2080 } |
|
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|
2081 |
| 479 | 2082 #if (NGX_HTTP_FILE_CACHE) |
| 2083 | |
| 1565 | 2084 if (p->upstream_done && u->cacheable) { |
| 479 | 2085 if (ngx_http_cache_update(r) == NGX_ERROR) { |
| 2086 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2087 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2088 return; | |
| 2089 } | |
| 2090 | |
| 1565 | 2091 } else if (p->upstream_eof && u->cacheable) { |
| 479 | 2092 |
| 2093 /* TODO: check length & update cache */ | |
| 2094 | |
| 2095 if (ngx_http_cache_update(r) == NGX_ERROR) { | |
| 2096 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2097 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2098 return; | |
| 2099 } | |
| 2100 } | |
| 2101 | |
| 2102 #endif | |
| 2103 | |
| 2104 if (p->upstream_done || p->upstream_eof || p->upstream_error) { | |
| 483 | 2105 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 2106 "http upstream exit: %p", p->out); | |
| 479 | 2107 #if 0 |
| 2108 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2109 #endif | |
| 2110 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2111 return; | |
| 2112 } | |
| 2113 } | |
| 2114 | |
| 2115 if (p->downstream_error) { | |
| 483 | 2116 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 2117 "http upstream downstream error"); | |
| 479 | 2118 |
| 1565 | 2119 if (!u->cacheable && u->peer.connection) { |
| 479 | 2120 ngx_http_upstream_finalize_request(r, u, 0); |
| 2121 } | |
| 2122 } | |
| 2123 } | |
| 2124 | |
| 2125 | |
| 487 | 2126 static void |
|
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2127 ngx_http_upstream_store(ngx_http_request_t *r, ngx_http_upstream_t *u) |
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2128 { |
|
1947
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|
2129 size_t root; |
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2130 time_t lm; |
|
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2131 ngx_str_t path; |
|
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|
2132 ngx_temp_file_t *tf; |
|
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|
2133 ngx_ext_rename_file_t ext; |
|
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|
2134 |
| 1777 | 2135 tf = u->pipe->temp_file; |
| 2136 | |
| 2137 if (tf->file.fd == NGX_INVALID_FILE) { | |
|
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|
2138 |
|
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|
2139 /* create file for empty 200 response */ |
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|
2140 |
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|
2141 tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
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13a4ce6e7f1e
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2142 if (tf == NULL) { |
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2143 return; |
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|
2144 } |
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2145 |
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2146 tf->file.fd = NGX_INVALID_FILE; |
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2147 tf->file.log = r->connection->log; |
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2148 tf->path = u->conf->temp_path; |
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2149 tf->pool = r->pool; |
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2150 tf->persistent = 1; |
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diff
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|
2151 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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diff
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|
2152 if (ngx_create_temp_file(&tf->file, tf->path, tf->pool, |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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1284
diff
changeset
|
2153 tf->persistent, tf->clean, tf->access) |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2154 != NGX_OK) |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2155 { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
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|
2156 return; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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diff
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|
2157 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2158 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2159 u->pipe->temp_file = tf; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2160 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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parents:
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diff
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|
2161 |
|
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
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parents:
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diff
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|
2162 ext.access = u->conf->store_access; |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2163 ext.time = -1; |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2164 ext.create_path = 1; |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2165 ext.delete_file = 1; |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2166 ext.log = r->connection->log; |
|
1291
13a4ce6e7f1e
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Igor Sysoev <igor@sysoev.ru>
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|
2167 |
| 1705 | 2168 if (u->headers_in.last_modified) { |
| 2169 | |
|
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
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diff
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|
2170 lm = ngx_http_parse_time(u->headers_in.last_modified->value.data, |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
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diff
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|
2171 u->headers_in.last_modified->value.len); |
|
1291
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|
2172 |
|
13a4ce6e7f1e
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|
2173 if (lm != NGX_ERROR) { |
|
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
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|
2174 ext.time = lm; |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
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|
2175 ext.fd = tf->file.fd; |
|
1291
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|
2176 } |
|
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|
2177 } |
|
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|
2178 |
|
1295
5383f5232364
proxy_store and fastcgi_store were changed,
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|
2179 if (u->conf->store_lengths == NULL) { |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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diff
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|
2180 |
|
5383f5232364
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|
2181 ngx_http_map_uri_to_path(r, &path, &root, 0); |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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|
2182 |
|
5383f5232364
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|
2183 } else { |
|
5383f5232364
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diff
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|
2184 if (ngx_http_script_run(r, &path, u->conf->store_lengths->elts, 0, |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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|
2185 u->conf->store_values->elts) |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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diff
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|
2186 == NULL) |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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parents:
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diff
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|
2187 { |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2188 return; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2189 } |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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parents:
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diff
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|
2190 } |
|
1291
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proxy_store and fastcgi_store
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|
2191 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2192 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
|
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
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diff
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|
2193 "upstream stores \"%s\" to \"%s\"", |
|
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use ngx_ext_rename_file() in proxy/fastcgi_store
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|
2194 tf->file.name.data, path.data); |
|
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use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2195 |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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|
2196 (void) ngx_ext_rename_file(&tf->file.name, &path, &ext); |
|
1291
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|
2197 } |
|
13a4ce6e7f1e
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|
2198 |
|
13a4ce6e7f1e
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Igor Sysoev <igor@sysoev.ru>
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|
2199 |
|
13a4ce6e7f1e
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parents:
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|
2200 static void |
| 487 | 2201 ngx_http_upstream_dummy_handler(ngx_event_t *wev) |
| 479 | 2202 { |
| 2203 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
| 2204 "http upstream dummy handler"); | |
| 2205 } | |
| 2206 | |
| 2207 | |
| 487 | 2208 static void |
| 2209 ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u, | |
| 2210 ngx_uint_t ft_type) | |
| 479 | 2211 { |
| 884 | 2212 ngx_uint_t status, state; |
| 479 | 2213 |
| 2214 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 884 | 2215 "http next upstream, %xi", ft_type); |
| 479 | 2216 |
| 2217 #if 0 | |
| 2218 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2219 #endif | |
| 2220 | |
| 525 | 2221 if (ft_type == NGX_HTTP_UPSTREAM_FT_HTTP_404) { |
| 884 | 2222 state = NGX_PEER_NEXT; |
| 525 | 2223 } else { |
| 884 | 2224 state = NGX_PEER_FAILED; |
| 479 | 2225 } |
| 525 | 2226 |
| 1378 | 2227 if (ft_type != NGX_HTTP_UPSTREAM_FT_NOLIVE) { |
| 2228 u->peer.free(&u->peer, u->peer.data, state); | |
| 2229 } | |
| 525 | 2230 |
| 479 | 2231 if (ft_type == NGX_HTTP_UPSTREAM_FT_TIMEOUT) { |
| 2232 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ETIMEDOUT, | |
| 2233 "upstream timed out"); | |
| 2234 } | |
| 577 | 2235 |
| 479 | 2236 if (u->peer.cached && ft_type == NGX_HTTP_UPSTREAM_FT_ERROR) { |
| 2237 status = 0; | |
| 2238 | |
| 2239 } else { | |
| 2240 switch(ft_type) { | |
| 2241 | |
| 2242 case NGX_HTTP_UPSTREAM_FT_TIMEOUT: | |
| 2243 status = NGX_HTTP_GATEWAY_TIME_OUT; | |
| 2244 break; | |
| 2245 | |
| 2246 case NGX_HTTP_UPSTREAM_FT_HTTP_500: | |
| 2247 status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 2248 break; | |
| 2249 | |
| 2250 case NGX_HTTP_UPSTREAM_FT_HTTP_404: | |
| 2251 status = NGX_HTTP_NOT_FOUND; | |
| 2252 break; | |
| 2253 | |
| 2254 /* | |
| 2255 * NGX_HTTP_UPSTREAM_FT_BUSY_LOCK and NGX_HTTP_UPSTREAM_FT_MAX_WAITING | |
| 2256 * never reach here | |
| 2257 */ | |
| 2258 | |
| 2259 default: | |
| 2260 status = NGX_HTTP_BAD_GATEWAY; | |
| 2261 } | |
| 2262 } | |
| 2263 | |
| 583 | 2264 if (r->connection->error) { |
| 479 | 2265 ngx_http_upstream_finalize_request(r, u, |
| 2266 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 2267 return; | |
| 2268 } | |
| 2269 | |
| 2270 if (status) { | |
| 2271 u->state->status = status; | |
| 2272 | |
| 525 | 2273 if (u->peer.tries == 0 || !(u->conf->next_upstream & ft_type)) { |
| 479 | 2274 |
| 2275 #if (NGX_HTTP_CACHE) | |
| 2276 | |
| 2277 if (u->stale && (u->conf->use_stale & ft_type)) { | |
| 2278 ngx_http_upstream_finalize_request(r, u, | |
| 525 | 2279 ngx_http_send_cached_response(r)); |
| 479 | 2280 return; |
| 2281 } | |
| 2282 | |
| 2283 #endif | |
| 2284 | |
| 2285 ngx_http_upstream_finalize_request(r, u, status); | |
| 2286 return; | |
| 2287 } | |
| 2288 } | |
| 2289 | |
| 2290 if (u->peer.connection) { | |
| 2291 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2292 "close http upstream connection: %d", | |
| 2293 u->peer.connection->fd); | |
| 577 | 2294 #if (NGX_HTTP_SSL) |
| 884 | 2295 |
| 577 | 2296 if (u->peer.connection->ssl) { |
| 884 | 2297 u->peer.connection->ssl->no_wait_shutdown = 1; |
| 2298 u->peer.connection->ssl->no_send_shutdown = 1; | |
| 2299 | |
| 2300 (void) ngx_ssl_shutdown(u->peer.connection); | |
| 577 | 2301 } |
| 2302 #endif | |
| 884 | 2303 |
| 479 | 2304 ngx_close_connection(u->peer.connection); |
| 2305 } | |
| 2306 | |
| 2307 #if 0 | |
| 2308 if (u->conf->busy_lock && !u->busy_locked) { | |
| 2309 ngx_http_upstream_busy_lock(p); | |
| 2310 return; | |
| 2311 } | |
| 2312 #endif | |
| 2313 | |
| 2314 ngx_http_upstream_connect(r, u); | |
| 2315 } | |
| 2316 | |
| 2317 | |
| 487 | 2318 static void |
| 569 | 2319 ngx_http_upstream_cleanup(void *data) |
| 2320 { | |
| 2321 ngx_http_request_t *r = data; | |
| 2322 | |
| 1705 | 2323 ngx_http_upstream_t *u; |
| 2324 | |
| 569 | 2325 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2326 "cleanup http upstream request: \"%V\"", &r->uri); | |
| 2327 | |
| 1705 | 2328 u = r->upstream; |
| 2329 | |
| 2330 if (u->resolved && u->resolved->ctx) { | |
| 2331 ngx_resolve_name_done(u->resolved->ctx); | |
| 1658 | 2332 } |
| 2333 | |
| 1705 | 2334 ngx_http_upstream_finalize_request(r, u, NGX_DONE); |
| 569 | 2335 } |
| 2336 | |
| 2337 | |
| 2338 static void | |
| 487 | 2339 ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
| 2340 ngx_http_upstream_t *u, ngx_int_t rc) | |
| 479 | 2341 { |
|
889
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the previous fix does not actually fix overflow
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changeset
|
2342 ngx_time_t *tp; |
| 563 | 2343 |
| 483 | 2344 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2345 "finalize http upstream request: %i", rc); | |
| 479 | 2346 |
| 569 | 2347 *u->cleanup = NULL; |
| 2348 | |
| 1658 | 2349 if (u->state && u->state->response_sec) { |
| 563 | 2350 tp = ngx_timeofday(); |
|
889
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diff
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|
2351 u->state->response_sec = tp->sec - u->state->response_sec; |
|
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|
2352 u->state->response_msec = tp->msec - u->state->response_msec; |
| 563 | 2353 } |
| 2354 | |
| 479 | 2355 u->finalize_request(r, rc); |
| 2356 | |
| 1658 | 2357 if (u->peer.free) { |
| 2358 u->peer.free(&u->peer, u->peer.data, 0); | |
| 2359 } | |
| 884 | 2360 |
| 479 | 2361 if (u->peer.connection) { |
| 884 | 2362 |
| 577 | 2363 #if (NGX_HTTP_SSL) |
| 2364 | |
| 2365 /* TODO: do not shutdown persistent connection */ | |
| 2366 | |
| 2367 if (u->peer.connection->ssl) { | |
| 884 | 2368 |
| 2369 /* | |
| 2370 * We send the "close notify" shutdown alert to the upstream only | |
| 2371 * and do not wait its "close notify" shutdown alert. | |
| 2372 * It is acceptable according to the TLS standard. | |
| 2373 */ | |
| 2374 | |
| 2375 u->peer.connection->ssl->no_wait_shutdown = 1; | |
| 2376 | |
| 2377 (void) ngx_ssl_shutdown(u->peer.connection); | |
| 577 | 2378 } |
| 2379 #endif | |
| 884 | 2380 |
| 2381 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2382 "close http upstream connection: %d", | |
| 2383 u->peer.connection->fd); | |
| 2384 | |
| 479 | 2385 ngx_close_connection(u->peer.connection); |
| 2386 } | |
| 2387 | |
| 483 | 2388 u->peer.connection = NULL; |
| 2389 | |
| 563 | 2390 if (u->header_sent && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE)) |
| 479 | 2391 { |
| 2392 rc = 0; | |
| 2393 } | |
| 2394 | |
| 581 | 2395 if (u->pipe && u->pipe->temp_file) { |
| 479 | 2396 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2397 "http upstream temp fd: %d", | |
| 581 | 2398 u->pipe->temp_file->file.fd); |
| 479 | 2399 } |
| 2400 | |
| 2401 #if 0 | |
| 2402 if (u->cache) { | |
| 2403 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 483 | 2404 "http upstream cache fd: %d", |
| 479 | 2405 u->cache->ctx.file.fd); |
| 2406 } | |
| 2407 #endif | |
| 2408 | |
| 515 | 2409 if (rc == NGX_DECLINED) { |
| 2410 return; | |
| 2411 } | |
| 2412 | |
| 483 | 2413 r->connection->log->action = "sending to client"; |
| 2414 | |
|
1259
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diff
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|
2415 if (rc == 0) { |
|
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diff
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|
2416 if (r == r->main) { |
|
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diff
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|
2417 if (!r->post_action) { |
|
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diff
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|
2418 rc = ngx_http_send_special(r, NGX_HTTP_LAST); |
|
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|
2419 } |
|
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diff
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|
2420 |
|
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diff
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|
2421 } else { |
|
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diff
changeset
|
2422 if (r->out) { |
|
05b5236c2ff5
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|
2423 rc = NGX_AGAIN; |
|
05b5236c2ff5
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|
2424 } |
|
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|
2425 } |
| 479 | 2426 } |
| 2427 | |
| 2428 ngx_http_finalize_request(r, rc); | |
| 2429 } | |
| 2430 | |
| 2431 | |
| 509 | 2432 static ngx_int_t |
| 2433 ngx_http_upstream_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2434 ngx_uint_t offset) | |
| 577 | 2435 { |
| 509 | 2436 ngx_table_elt_t **ph; |
| 577 | 2437 |
| 509 | 2438 ph = (ngx_table_elt_t **) ((char *) &r->upstream->headers_in + offset); |
| 2439 | |
| 2440 if (*ph == NULL) { | |
| 2441 *ph = h; | |
| 2442 } | |
| 2443 | |
| 2444 return NGX_OK; | |
| 2445 } | |
| 2446 | |
| 2447 | |
| 2448 static ngx_int_t | |
| 2449 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
| 2450 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2451 { | |
| 2452 ngx_array_t *pa; | |
| 2453 ngx_table_elt_t **ph; | |
| 2454 | |
| 2455 pa = (ngx_array_t *) ((char *) &r->upstream->headers_in + offset); | |
| 2456 | |
| 2457 if (pa->elts == NULL) { | |
| 2458 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
| 2459 { | |
| 2460 return NGX_ERROR; | |
| 2461 } | |
| 2462 } | |
| 2463 | |
| 2464 ph = ngx_array_push(pa); | |
| 2465 if (ph == NULL) { | |
| 2466 return NGX_ERROR; | |
| 2467 } | |
| 2468 | |
| 2469 *ph = h; | |
| 2470 | |
| 2471 return NGX_OK; | |
| 2472 } | |
| 2473 | |
| 2474 | |
| 2475 static ngx_int_t | |
| 2476 ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2477 ngx_uint_t offset) | |
| 2478 { | |
| 2479 return NGX_OK; | |
| 2480 } | |
| 2481 | |
| 2482 | |
| 2483 static ngx_int_t | |
| 527 | 2484 ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2485 ngx_uint_t offset) | |
| 577 | 2486 { |
| 527 | 2487 ngx_int_t n; |
| 2488 | |
| 2489 r->upstream->headers_in.x_accel_limit_rate = h; | |
| 2490 | |
| 2491 n = ngx_atoi(h->value.data, h->value.len); | |
| 2492 | |
| 2493 if (n != NGX_ERROR) { | |
| 2494 r->limit_rate = (size_t) n; | |
| 2495 } | |
| 2496 | |
| 2497 return NGX_OK; | |
| 2498 } | |
| 2499 | |
| 2500 | |
| 2501 static ngx_int_t | |
| 649 | 2502 ngx_http_upstream_process_buffering(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2503 ngx_uint_t offset) | |
| 2504 { | |
| 2505 u_char c0, c1, c2; | |
| 2506 | |
| 2507 if (r->upstream->conf->change_buffering) { | |
| 2508 | |
| 2509 if (h->value.len == 2) { | |
| 2510 c0 = ngx_tolower(h->value.data[0]); | |
| 2511 c1 = ngx_tolower(h->value.data[1]); | |
| 2512 | |
| 2513 if (c0 == 'n' && c1 == 'o') { | |
| 2514 r->upstream->buffering = 0; | |
| 2515 } | |
| 2516 | |
| 2517 } else if (h->value.len == 3) { | |
| 2518 c0 = ngx_tolower(h->value.data[0]); | |
| 2519 c1 = ngx_tolower(h->value.data[1]); | |
| 2520 c2 = ngx_tolower(h->value.data[2]); | |
| 2521 | |
| 2522 if (c0 == 'y' && c1 == 'e' && c2 == 's') { | |
| 2523 r->upstream->buffering = 1; | |
| 2524 } | |
| 2525 } | |
| 2526 } | |
| 2527 | |
| 2528 return NGX_OK; | |
| 2529 } | |
| 2530 | |
| 2531 | |
| 2532 static ngx_int_t | |
| 657 | 2533 ngx_http_upstream_process_charset(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2534 ngx_uint_t offset) | |
| 2535 { | |
| 2536 r->headers_out.override_charset = &h->value; | |
| 2537 | |
| 2538 return NGX_OK; | |
| 2539 } | |
| 2540 | |
| 2541 | |
| 2542 static ngx_int_t | |
| 509 | 2543 ngx_http_upstream_copy_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2544 ngx_uint_t offset) | |
| 2545 { | |
| 573 | 2546 ngx_table_elt_t *ho, **ph; |
| 509 | 2547 |
| 2548 ho = ngx_list_push(&r->headers_out.headers); | |
| 2549 if (ho == NULL) { | |
| 2550 return NGX_ERROR; | |
| 2551 } | |
| 2552 | |
| 2553 *ho = *h; | |
| 2554 | |
| 573 | 2555 if (offset) { |
| 2556 ph = (ngx_table_elt_t **) ((char *) &r->headers_out + offset); | |
| 2557 *ph = ho; | |
| 2558 } | |
| 2559 | |
| 509 | 2560 return NGX_OK; |
| 2561 } | |
| 2562 | |
| 2563 | |
| 2564 static ngx_int_t | |
| 2565 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
| 2566 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2567 { | |
| 2568 ngx_array_t *pa; | |
| 2569 ngx_table_elt_t *ho, **ph; | |
| 2570 | |
| 2571 pa = (ngx_array_t *) ((char *) &r->headers_out + offset); | |
| 2572 | |
| 2573 if (pa->elts == NULL) { | |
| 2574 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
| 2575 { | |
| 2576 return NGX_ERROR; | |
| 2577 } | |
| 2578 } | |
| 2579 | |
| 2580 ph = ngx_array_push(pa); | |
| 2581 if (ph == NULL) { | |
| 2582 return NGX_ERROR; | |
| 2583 } | |
| 2584 | |
| 2585 ho = ngx_list_push(&r->headers_out.headers); | |
| 2586 if (ho == NULL) { | |
| 2587 return NGX_ERROR; | |
| 2588 } | |
| 2589 | |
| 2590 *ho = *h; | |
| 2591 *ph = ho; | |
| 2592 | |
| 2593 return NGX_OK; | |
| 2594 } | |
| 2595 | |
| 2596 | |
| 2597 static ngx_int_t | |
| 2598 ngx_http_upstream_copy_content_type(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2599 ngx_uint_t offset) | |
| 2600 { | |
| 657 | 2601 u_char *p, *last; |
| 2602 | |
| 2603 r->headers_out.content_type_len = h->value.len; | |
| 509 | 2604 r->headers_out.content_type = h->value; |
| 2605 | |
| 657 | 2606 for (p = h->value.data; *p; p++) { |
| 2607 | |
| 2608 if (*p != ';') { | |
| 2609 continue; | |
| 2610 } | |
| 2611 | |
| 2612 last = p; | |
| 2613 | |
| 2614 while (*++p == ' ') { /* void */ } | |
| 2615 | |
| 1968 | 2616 if (*p == '\0') { |
| 2617 return NGX_OK; | |
| 2618 } | |
| 2619 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1098
diff
changeset
|
2620 if (ngx_strncasecmp(p, (u_char *) "charset=", 8) != 0) { |
| 657 | 2621 continue; |
| 2622 } | |
| 2623 | |
| 2624 p += 8; | |
| 2625 | |
| 2626 r->headers_out.content_type_len = last - h->value.data; | |
| 2627 | |
| 2628 r->headers_out.charset.len = h->value.data + h->value.len - p; | |
| 2629 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
|
2630 |
|
c6c42497106c
fix segfault if upstream sends trailing ";" in "charset="
Igor Sysoev <igor@sysoev.ru>
parents:
1109
diff
changeset
|
2631 return NGX_OK; |
| 657 | 2632 } |
| 2633 | |
| 509 | 2634 return NGX_OK; |
| 2635 } | |
| 2636 | |
| 2637 | |
| 2638 static ngx_int_t | |
| 2639 ngx_http_upstream_copy_content_length(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2640 ngx_uint_t offset) | |
| 2641 { | |
| 2642 ngx_table_elt_t *ho; | |
| 2643 | |
| 2644 ho = ngx_list_push(&r->headers_out.headers); | |
| 2645 if (ho == NULL) { | |
| 2646 return NGX_ERROR; | |
| 2647 } | |
| 2648 | |
| 2649 *ho = *h; | |
| 2650 | |
| 2651 r->headers_out.content_length = ho; | |
| 2652 r->headers_out.content_length_n = ngx_atoof(h->value.data, h->value.len); | |
| 2653 | |
| 2654 return NGX_OK; | |
| 2655 } | |
| 2656 | |
| 2657 | |
| 2658 static ngx_int_t | |
| 2659 ngx_http_upstream_rewrite_location(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2660 ngx_uint_t offset) | |
| 2661 { | |
| 2662 ngx_int_t rc; | |
| 2663 ngx_table_elt_t *ho; | |
| 2664 | |
| 2665 ho = ngx_list_push(&r->headers_out.headers); | |
| 2666 if (ho == NULL) { | |
| 2667 return NGX_ERROR; | |
| 2668 } | |
| 2669 | |
| 2670 *ho = *h; | |
| 2671 | |
| 2672 if (r->upstream->rewrite_redirect) { | |
| 2673 rc = r->upstream->rewrite_redirect(r, ho, 0); | |
| 2674 | |
| 529 | 2675 if (rc == NGX_DECLINED) { |
| 2676 return NGX_OK; | |
| 2677 } | |
| 2678 | |
| 509 | 2679 if (rc == NGX_OK) { |
| 2680 r->headers_out.location = ho; | |
| 2681 | |
| 2682 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2683 "rewritten location: \"%V\"", &ho->value); | |
| 2684 } | |
| 2685 | |
| 2686 return rc; | |
| 2687 } | |
| 2688 | |
|
1653
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2689 if (ho->value.data[0] != '/') { |
|
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2690 r->headers_out.location = ho; |
|
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2691 } |
|
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2692 |
| 509 | 2693 /* |
| 2694 * we do not set r->headers_out.location here to avoid the handling | |
| 2695 * the local redirects without a host name by ngx_http_header_filter() | |
| 2696 */ | |
| 2697 | |
| 2698 return NGX_OK; | |
| 2699 } | |
| 2700 | |
| 2701 | |
| 2702 static ngx_int_t | |
| 2703 ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2704 ngx_uint_t offset) | |
| 2705 { | |
| 2706 u_char *p; | |
| 2707 ngx_int_t rc; | |
| 2708 ngx_table_elt_t *ho; | |
| 2709 | |
| 2710 ho = ngx_list_push(&r->headers_out.headers); | |
| 2711 if (ho == NULL) { | |
| 2712 return NGX_ERROR; | |
| 2713 } | |
| 2714 | |
| 2715 *ho = *h; | |
| 2716 | |
| 2717 if (r->upstream->rewrite_redirect) { | |
| 2718 | |
| 1549 | 2719 p = ngx_strcasestrn(ho->value.data, "url=", 4 - 1); |
| 509 | 2720 |
| 2721 if (p) { | |
| 2722 rc = r->upstream->rewrite_redirect(r, ho, p + 4 - ho->value.data); | |
| 2723 | |
| 2724 } else { | |
| 2725 return NGX_OK; | |
| 2726 } | |
| 2727 | |
| 529 | 2728 if (rc == NGX_DECLINED) { |
| 2729 return NGX_OK; | |
| 2730 } | |
| 2731 | |
| 509 | 2732 if (rc == NGX_OK) { |
| 1654 | 2733 r->headers_out.refresh = ho; |
| 2734 | |
| 509 | 2735 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2736 "rewritten refresh: \"%V\"", &ho->value); | |
| 2737 } | |
| 2738 | |
| 2739 return rc; | |
| 2740 } | |
| 2741 | |
| 1654 | 2742 r->headers_out.refresh = ho; |
| 2743 | |
| 509 | 2744 return NGX_OK; |
| 2745 } | |
| 2746 | |
| 2747 | |
| 2748 #if (NGX_HTTP_GZIP) | |
| 2749 | |
| 2750 static ngx_int_t | |
| 2751 ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
| 2752 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2753 { | |
| 2754 ngx_table_elt_t *ho; | |
| 2755 | |
| 2756 ho = ngx_list_push(&r->headers_out.headers); | |
| 2757 if (ho == NULL) { | |
| 2758 return NGX_ERROR; | |
| 2759 } | |
| 2760 | |
| 2761 *ho = *h; | |
| 2762 | |
| 2763 r->headers_out.content_encoding = ho; | |
| 2764 | |
| 2765 return NGX_OK; | |
| 2766 } | |
| 2767 | |
| 2768 #endif | |
| 2769 | |
| 2770 | |
| 487 | 2771 static ngx_int_t |
| 573 | 2772 ngx_http_upstream_add_variables(ngx_conf_t *cf) |
| 479 | 2773 { |
| 880 | 2774 ngx_http_variable_t *var, *v; |
| 479 | 2775 |
| 573 | 2776 for (v = ngx_http_upstream_vars; v->name.len; v++) { |
| 2777 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
| 2778 if (var == NULL) { | |
| 2779 return NGX_ERROR; | |
| 2780 } | |
| 2781 | |
| 637 | 2782 var->get_handler = v->get_handler; |
| 573 | 2783 var->data = v->data; |
| 2784 } | |
| 2785 | |
| 479 | 2786 return NGX_OK; |
| 2787 } | |
| 509 | 2788 |
| 2789 | |
| 573 | 2790 static ngx_int_t |
| 1181 | 2791 ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
| 2792 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2793 { | |
| 2794 u_char *p; | |
| 2795 size_t len; | |
| 2796 ngx_uint_t i; | |
| 2797 ngx_http_upstream_state_t *state; | |
| 2798 | |
| 2799 v->valid = 1; | |
| 1565 | 2800 v->no_cacheable = 0; |
| 1181 | 2801 v->not_found = 0; |
| 2802 | |
| 2803 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { | |
| 2804 v->not_found = 1; | |
| 2805 return NGX_OK; | |
| 2806 } | |
| 2807 | |
| 2808 len = 0; | |
| 2809 state = r->upstream_states->elts; | |
| 2810 | |
| 2811 for (i = 0; i < r->upstream_states->nelts; i++) { | |
| 2812 if (state[i].peer) { | |
| 2813 len += state[i].peer->len + 2; | |
| 2814 | |
| 2815 } else { | |
| 2816 len += 3; | |
| 2817 } | |
| 2818 } | |
| 2819 | |
| 2049 | 2820 p = ngx_pnalloc(r->pool, len); |
| 1181 | 2821 if (p == NULL) { |
| 2822 return NGX_ERROR; | |
| 2823 } | |
| 2824 | |
| 2825 v->data = p; | |
| 2826 | |
| 2827 i = 0; | |
| 2828 | |
| 2829 for ( ;; ) { | |
| 2830 if (state[i].peer) { | |
| 2831 p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len); | |
| 2832 } | |
| 2833 | |
| 2834 if (++i == r->upstream_states->nelts) { | |
| 2835 break; | |
| 2836 } | |
| 2837 | |
| 2838 if (state[i].peer) { | |
| 2839 *p++ = ','; | |
| 2840 *p++ = ' '; | |
| 2841 | |
| 2842 } else { | |
| 2843 *p++ = ' '; | |
| 2844 *p++ = ':'; | |
| 2845 *p++ = ' '; | |
| 2846 | |
| 2847 if (++i == r->upstream_states->nelts) { | |
| 2848 break; | |
| 2849 } | |
| 2850 | |
| 2851 continue; | |
| 2852 } | |
| 2853 } | |
| 2854 | |
| 2855 v->len = p - v->data; | |
| 2856 | |
| 2857 return NGX_OK; | |
| 2858 } | |
| 2859 | |
| 2860 | |
| 2861 static ngx_int_t | |
| 573 | 2862 ngx_http_upstream_status_variable(ngx_http_request_t *r, |
| 2863 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2864 { | |
| 2865 u_char *p; | |
| 2866 size_t len; | |
| 2867 ngx_uint_t i; | |
| 2868 ngx_http_upstream_state_t *state; | |
| 2869 | |
| 2870 v->valid = 1; | |
| 1565 | 2871 v->no_cacheable = 0; |
| 573 | 2872 v->not_found = 0; |
| 2873 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2874 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
| 573 | 2875 v->not_found = 1; |
| 2876 return NGX_OK; | |
| 2877 } | |
| 2878 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2879 len = r->upstream_states->nelts * (3 + 2); |
| 573 | 2880 |
| 2049 | 2881 p = ngx_pnalloc(r->pool, len); |
| 573 | 2882 if (p == NULL) { |
| 2883 return NGX_ERROR; | |
| 2884 } | |
| 2885 | |
| 2886 v->data = p; | |
| 2887 | |
| 2888 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
|
2889 state = r->upstream_states->elts; |
| 573 | 2890 |
| 2891 for ( ;; ) { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2892 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
|
2893 p = ngx_sprintf(p, "%ui", state[i].status); |
| 573 | 2894 |
| 2895 } else { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2896 *p++ = '-'; |
| 573 | 2897 } |
| 2898 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2899 if (++i == r->upstream_states->nelts) { |
| 573 | 2900 break; |
| 2901 } | |
| 2902 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2903 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
|
2904 *p++ = ','; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2905 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2906 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2907 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2908 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2909 *p++ = ':'; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2910 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2911 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2912 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
|
2913 break; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2914 } |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2915 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2916 continue; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2917 } |
| 573 | 2918 } |
| 2919 | |
| 2920 v->len = p - v->data; | |
| 2921 | |
| 2922 return NGX_OK; | |
| 2923 } | |
| 2924 | |
| 2925 | |
| 2926 static ngx_int_t | |
| 2927 ngx_http_upstream_response_time_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; | |
|
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2933 ngx_msec_int_t ms; |
| 573 | 2934 ngx_http_upstream_state_t *state; |
| 2935 | |
| 2936 v->valid = 1; | |
| 1565 | 2937 v->no_cacheable = 0; |
| 573 | 2938 v->not_found = 0; |
| 2939 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2940 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
| 573 | 2941 v->not_found = 1; |
| 2942 return NGX_OK; | |
| 2943 } | |
| 2944 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2945 len = r->upstream_states->nelts * (NGX_TIME_T_LEN + 4 + 2); |
| 573 | 2946 |
| 2049 | 2947 p = ngx_pnalloc(r->pool, len); |
| 573 | 2948 if (p == NULL) { |
| 2949 return NGX_ERROR; | |
| 2950 } | |
| 2951 | |
| 2952 v->data = p; | |
| 2953 | |
| 2954 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
|
2955 state = r->upstream_states->elts; |
| 573 | 2956 |
| 2957 for ( ;; ) { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2958 if (state[i].status) { |
| 1640 | 2959 ms = (ngx_msec_int_t) |
| 2960 (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
|
2961 ms = (ms >= 0) ? ms : 0; |
|
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2962 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
|
2963 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2964 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2965 *p++ = '-'; |
| 573 | 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 (++i == r->upstream_states->nelts) { |
| 573 | 2969 break; |
| 2970 } | |
| 2971 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2972 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
|
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 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2976 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2977 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2978 *p++ = ':'; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2979 *p++ = ' '; |
|
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 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
|
2982 break; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2983 } |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2984 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2985 continue; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2986 } |
| 573 | 2987 } |
| 2988 | |
| 2989 v->len = p - v->data; | |
| 2990 | |
| 2991 return NGX_OK; | |
| 2992 } | |
| 2993 | |
| 2994 | |
| 1162 | 2995 ngx_int_t |
| 2996 ngx_http_upstream_header_variable(ngx_http_request_t *r, | |
| 2997 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2998 { | |
| 2999 if (r->upstream == NULL) { | |
| 3000 v->not_found = 1; | |
| 3001 return NGX_OK; | |
| 3002 } | |
| 3003 | |
| 3004 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 3005 &r->upstream->headers_in.headers.part, | |
| 3006 sizeof("upstream_http_") - 1); | |
| 3007 } | |
| 3008 | |
| 3009 | |
| 651 | 3010 static char * |
| 3011 ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) | |
| 3012 { | |
| 884 | 3013 char *rv; |
| 3014 void *mconf; | |
| 3015 ngx_str_t *value; | |
| 3016 ngx_url_t u; | |
| 3017 ngx_uint_t m; | |
| 3018 ngx_conf_t pcf; | |
| 3019 ngx_http_module_t *module; | |
| 3020 ngx_http_conf_ctx_t *ctx, *http_ctx; | |
| 3021 ngx_http_upstream_srv_conf_t *uscf; | |
| 3022 | |
| 3023 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 3024 | |
| 3025 value = cf->args->elts; | |
| 3026 u.host = value[1]; | |
| 3027 u.no_resolve = 1; | |
| 3028 | |
| 3029 uscf = ngx_http_upstream_add(cf, &u, NGX_HTTP_UPSTREAM_CREATE | |
| 3030 |NGX_HTTP_UPSTREAM_WEIGHT | |
| 3031 |NGX_HTTP_UPSTREAM_MAX_FAILS | |
| 3032 |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT | |
| 3033 |NGX_HTTP_UPSTREAM_DOWN | |
| 3034 |NGX_HTTP_UPSTREAM_BACKUP); | |
| 3035 if (uscf == NULL) { | |
| 3036 return NGX_CONF_ERROR; | |
| 3037 } | |
| 3038 | |
| 651 | 3039 |
| 3040 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); | |
| 3041 if (ctx == NULL) { | |
| 3042 return NGX_CONF_ERROR; | |
| 3043 } | |
| 3044 | |
| 884 | 3045 http_ctx = cf->ctx; |
| 3046 ctx->main_conf = http_ctx->main_conf; | |
| 651 | 3047 |
| 3048 /* the upstream{}'s srv_conf */ | |
| 3049 | |
| 3050 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| 3051 if (ctx->srv_conf == NULL) { | |
| 3052 return NGX_CONF_ERROR; | |
| 3053 } | |
| 3054 | |
| 3055 ctx->srv_conf[ngx_http_upstream_module.ctx_index] = uscf; | |
| 3056 | |
| 884 | 3057 uscf->srv_conf = ctx->srv_conf; |
| 3058 | |
| 651 | 3059 |
| 3060 /* the upstream{}'s loc_conf */ | |
| 3061 | |
| 3062 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| 3063 if (ctx->loc_conf == NULL) { | |
| 3064 return NGX_CONF_ERROR; | |
| 3065 } | |
| 3066 | |
| 3067 for (m = 0; ngx_modules[m]; m++) { | |
| 3068 if (ngx_modules[m]->type != NGX_HTTP_MODULE) { | |
| 3069 continue; | |
| 3070 } | |
| 3071 | |
| 3072 module = ngx_modules[m]->ctx; | |
| 3073 | |
| 884 | 3074 if (module->create_srv_conf) { |
| 3075 mconf = module->create_srv_conf(cf); | |
| 3076 if (mconf == NULL) { | |
| 3077 return NGX_CONF_ERROR; | |
| 3078 } | |
| 3079 | |
| 3080 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
| 3081 } | |
| 3082 | |
| 651 | 3083 if (module->create_loc_conf) { |
| 3084 mconf = module->create_loc_conf(cf); | |
| 3085 if (mconf == NULL) { | |
| 3086 return NGX_CONF_ERROR; | |
| 3087 } | |
| 3088 | |
| 3089 ctx->loc_conf[ngx_modules[m]->ctx_index] = mconf; | |
| 3090 } | |
| 3091 } | |
| 3092 | |
| 3093 | |
| 3094 /* parse inside upstream{} */ | |
| 3095 | |
| 3096 pcf = *cf; | |
| 3097 cf->ctx = ctx; | |
| 3098 cf->cmd_type = NGX_HTTP_UPS_CONF; | |
| 3099 | |
| 3100 rv = ngx_conf_parse(cf, NULL); | |
| 3101 | |
| 3102 *cf = pcf; | |
| 3103 | |
| 3104 if (rv != NGX_CONF_OK) { | |
| 3105 return rv; | |
| 3106 } | |
| 3107 | |
| 3108 if (uscf->servers == NULL) { | |
| 3109 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3110 "no servers are inside upstream"); | |
| 3111 return NGX_CONF_ERROR; | |
| 3112 } | |
| 3113 | |
| 3114 return rv; | |
| 3115 } | |
| 3116 | |
| 3117 | |
| 3118 static char * | |
| 3119 ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 3120 { | |
| 3121 ngx_http_upstream_srv_conf_t *uscf = conf; | |
| 3122 | |
| 884 | 3123 time_t fail_timeout; |
| 3124 ngx_str_t *value, s; | |
| 3125 ngx_url_t u; | |
| 3126 ngx_int_t weight, max_fails; | |
| 3127 ngx_uint_t i; | |
| 3128 ngx_http_upstream_server_t *us; | |
| 651 | 3129 |
| 3130 if (uscf->servers == NULL) { | |
| 884 | 3131 uscf->servers = ngx_array_create(cf->pool, 4, |
| 3132 sizeof(ngx_http_upstream_server_t)); | |
| 651 | 3133 if (uscf->servers == NULL) { |
| 3134 return NGX_CONF_ERROR; | |
| 3135 } | |
| 3136 } | |
| 3137 | |
| 884 | 3138 us = ngx_array_push(uscf->servers); |
| 3139 if (us == NULL) { | |
| 651 | 3140 return NGX_CONF_ERROR; |
| 3141 } | |
| 3142 | |
| 884 | 3143 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); |
| 3144 | |
| 651 | 3145 value = cf->args->elts; |
| 3146 | |
| 3147 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 3148 | |
| 3149 u.url = value[1]; | |
| 906 | 3150 u.default_port = 80; |
| 651 | 3151 |
|
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3152 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
| 651 | 3153 if (u.err) { |
| 3154 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3155 "%s in upstream \"%V\"", u.err, &u.url); | |
| 3156 } | |
| 3157 | |
| 3158 return NGX_CONF_ERROR; | |
| 3159 } | |
| 3160 | |
| 663 | 3161 weight = 1; |
| 884 | 3162 max_fails = 1; |
| 3163 fail_timeout = 10; | |
| 3164 | |
| 3165 for (i = 2; i < cf->args->nelts; i++) { | |
| 3166 | |
| 3167 if (ngx_strncmp(value[i].data, "weight=", 7) == 0) { | |
| 3168 | |
| 3169 if (!(uscf->flags & NGX_HTTP_UPSTREAM_WEIGHT)) { | |
| 3170 goto invalid; | |
| 3171 } | |
| 3172 | |
| 3173 weight = ngx_atoi(&value[i].data[7], value[i].len - 7); | |
| 663 | 3174 |
| 3175 if (weight == NGX_ERROR || weight == 0) { | |
| 3176 goto invalid; | |
| 3177 } | |
| 3178 | |
| 884 | 3179 continue; |
| 3180 } | |
| 3181 | |
| 3182 if (ngx_strncmp(value[i].data, "max_fails=", 10) == 0) { | |
| 3183 | |
| 3184 if (!(uscf->flags & NGX_HTTP_UPSTREAM_MAX_FAILS)) { | |
| 3185 goto invalid; | |
| 3186 } | |
| 3187 | |
| 3188 max_fails = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
| 3189 | |
| 3190 if (max_fails == NGX_ERROR) { | |
| 3191 goto invalid; | |
| 3192 } | |
| 3193 | |
| 3194 continue; | |
| 663 | 3195 } |
| 884 | 3196 |
| 3197 if (ngx_strncmp(value[i].data, "fail_timeout=", 13) == 0) { | |
| 3198 | |
| 3199 if (!(uscf->flags & NGX_HTTP_UPSTREAM_FAIL_TIMEOUT)) { | |
| 3200 goto invalid; | |
| 3201 } | |
| 3202 | |
| 3203 s.len = value[i].len - 13; | |
| 3204 s.data = &value[i].data[13]; | |
| 3205 | |
| 3206 fail_timeout = ngx_parse_time(&s, 1); | |
| 3207 | |
| 1973 | 3208 if (fail_timeout == NGX_ERROR) { |
| 884 | 3209 goto invalid; |
| 3210 } | |
| 3211 | |
| 3212 continue; | |
| 3213 } | |
| 3214 | |
| 1378 | 3215 if (ngx_strncmp(value[i].data, "backup", 6) == 0) { |
| 3216 | |
| 3217 if (!(uscf->flags & NGX_HTTP_UPSTREAM_BACKUP)) { | |
| 3218 goto invalid; | |
| 3219 } | |
| 3220 | |
| 3221 us->backup = 1; | |
| 3222 | |
| 3223 continue; | |
| 3224 } | |
| 3225 | |
| 884 | 3226 if (ngx_strncmp(value[i].data, "down", 4) == 0) { |
| 3227 | |
| 3228 if (!(uscf->flags & NGX_HTTP_UPSTREAM_DOWN)) { | |
| 3229 goto invalid; | |
| 3230 } | |
| 3231 | |
| 3232 us->down = 1; | |
| 3233 | |
| 3234 continue; | |
| 3235 } | |
| 3236 | |
| 3237 goto invalid; | |
| 663 | 3238 } |
| 3239 | |
| 884 | 3240 us->addrs = u.addrs; |
| 3241 us->naddrs = u.naddrs; | |
| 3242 us->weight = weight; | |
| 3243 us->max_fails = max_fails; | |
| 3244 us->fail_timeout = fail_timeout; | |
| 651 | 3245 |
| 3246 return NGX_CONF_OK; | |
| 663 | 3247 |
| 3248 invalid: | |
| 3249 | |
| 884 | 3250 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 3251 "invalid parameter \"%V\"", &value[i]); | |
| 663 | 3252 |
| 3253 return NGX_CONF_ERROR; | |
| 651 | 3254 } |
| 3255 | |
| 3256 | |
| 3257 ngx_http_upstream_srv_conf_t * | |
| 884 | 3258 ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags) |
| 651 | 3259 { |
| 3260 ngx_uint_t i; | |
| 884 | 3261 ngx_http_upstream_server_t *us; |
| 651 | 3262 ngx_http_upstream_srv_conf_t *uscf, **uscfp; |
| 3263 ngx_http_upstream_main_conf_t *umcf; | |
| 3264 | |
| 884 | 3265 if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) { |
| 3266 | |
|
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3267 if (ngx_parse_url(cf->pool, u) != NGX_OK) { |
| 651 | 3268 if (u->err) { |
| 3269 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3270 "%s in upstream \"%V\"", u->err, &u->url); | |
| 3271 } | |
| 3272 | |
| 3273 return NULL; | |
| 3274 } | |
| 3275 } | |
| 3276 | |
| 3277 umcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_upstream_module); | |
| 3278 | |
| 3279 uscfp = umcf->upstreams.elts; | |
| 3280 | |
| 3281 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 906 | 3282 |
| 3283 if (uscfp[i]->host.len != u->host.len | |
| 884 | 3284 || ngx_strncasecmp(uscfp[i]->host.data, u->host.data, u->host.len) |
| 3285 != 0) | |
| 3286 { | |
| 651 | 3287 continue; |
| 3288 } | |
| 3289 | |
| 884 | 3290 if ((flags & NGX_HTTP_UPSTREAM_CREATE) |
| 3291 && (uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE)) | |
| 651 | 3292 { |
| 884 | 3293 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 3294 "duplicate upstream \"%V\"", &u->host); | |
| 3295 return NULL; | |
| 651 | 3296 } |
| 884 | 3297 |
| 906 | 3298 if ((uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE) && u->port) { |
| 884 | 3299 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
| 906 | 3300 "upstream \"%V\" may not have port %d", |
| 3301 &u->host, u->port); | |
| 3302 return NULL; | |
| 3303 } | |
| 3304 | |
| 3305 if ((flags & NGX_HTTP_UPSTREAM_CREATE) && uscfp[i]->port) { | |
| 3306 ngx_log_error(NGX_LOG_WARN, cf->log, 0, | |
| 3307 "upstream \"%V\" may not have port %d in %s:%ui", | |
| 3308 &u->host, uscfp[i]->port, | |
|
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3309 uscfp[i]->file_name, uscfp[i]->line); |
| 906 | 3310 return NULL; |
| 3311 } | |
| 3312 | |
| 3313 if (uscfp[i]->port != u->port) { | |
| 3314 continue; | |
| 884 | 3315 } |
| 3316 | |
| 1340 | 3317 if (uscfp[i]->default_port && u->default_port |
| 3318 && uscfp[i]->default_port != u->default_port) | |
| 3319 { | |
| 3320 continue; | |
| 3321 } | |
| 3322 | |
| 884 | 3323 return uscfp[i]; |
| 651 | 3324 } |
| 3325 | |
| 3326 uscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_srv_conf_t)); | |
| 3327 if (uscf == NULL) { | |
| 3328 return NULL; | |
| 3329 } | |
| 3330 | |
| 884 | 3331 uscf->flags = flags; |
| 651 | 3332 uscf->host = u->host; |
|
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3333 uscf->file_name = cf->conf_file->file.name.data; |
| 651 | 3334 uscf->line = cf->conf_file->line; |
| 906 | 3335 uscf->port = u->port; |
| 3336 uscf->default_port = u->default_port; | |
| 884 | 3337 |
| 3338 if (u->naddrs == 1) { | |
| 3339 uscf->servers = ngx_array_create(cf->pool, 1, | |
| 3340 sizeof(ngx_http_upstream_server_t)); | |
| 3341 if (uscf->servers == NULL) { | |
| 3342 return NGX_CONF_ERROR; | |
| 3343 } | |
| 3344 | |
| 3345 us = ngx_array_push(uscf->servers); | |
| 3346 if (us == NULL) { | |
| 3347 return NGX_CONF_ERROR; | |
| 3348 } | |
| 3349 | |
| 3350 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); | |
| 3351 | |
| 3352 us->addrs = u->addrs; | |
| 3353 us->naddrs = u->naddrs; | |
| 3354 } | |
| 651 | 3355 |
| 3356 uscfp = ngx_array_push(&umcf->upstreams); | |
| 3357 if (uscfp == NULL) { | |
| 3358 return NULL; | |
| 3359 } | |
| 3360 | |
| 3361 *uscfp = uscf; | |
| 3362 | |
| 3363 return uscf; | |
| 3364 } | |
| 3365 | |
| 3366 | |
|
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3367 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
|
3368 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
|
3369 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
|
3370 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
|
3371 { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3372 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
|
3373 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
|
3374 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
|
3375 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
|
3376 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3377 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
|
3378 && 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
|
3379 { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3380 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
|
3381 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3382 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
|
3383 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
|
3384 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3385 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3386 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
|
3387 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
|
3388 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3389 } else { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3390 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
|
3391 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
|
3392 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3393 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3394 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
|
3395 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
|
3396 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3397 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3398 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3399 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
|
3400 != NGX_OK) |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3401 { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3402 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
|
3403 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3404 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3405 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
|
3406 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
|
3407 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
|
3408 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
|
3409 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3410 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3411 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
|
3412 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
|
3413 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
|
3414 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3415 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3416 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
|
3417 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3418 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
|
3419 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3420 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
|
3421 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3422 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
|
3423 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3424 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
|
3425 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
|
3426 goto exist; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3427 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3428 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3429 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3430 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
|
3431 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
|
3432 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
|
3433 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3434 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3435 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
|
3436 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
|
3437 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
|
3438 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3439 exist: |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3440 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3441 continue; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3442 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3443 } |
|
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 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
|
3446 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3447 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
|
3448 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
|
3449 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3450 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
|
3451 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
|
3452 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3453 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
|
3454 continue; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3455 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3456 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3457 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
|
3458 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
|
3459 break; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3460 } |
|
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 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3465 hash->hash = &conf->hide_headers_hash; |
|
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3466 hash->key = ngx_hash_key_lc; |
|
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3467 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
|
3468 hash->temp_pool = NULL; |
|
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3469 |
|
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3470 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
|
3471 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3472 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3473 |
| 509 | 3474 static void * |
| 3475 ngx_http_upstream_create_main_conf(ngx_conf_t *cf) | |
| 3476 { | |
| 3477 ngx_http_upstream_main_conf_t *umcf; | |
| 3478 | |
| 3479 umcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_main_conf_t)); | |
| 3480 if (umcf == NULL) { | |
| 3481 return NULL; | |
| 3482 } | |
| 3483 | |
| 651 | 3484 if (ngx_array_init(&umcf->upstreams, cf->pool, 4, |
| 3485 sizeof(ngx_http_upstream_srv_conf_t *)) | |
| 3486 != NGX_OK) | |
| 3487 { | |
| 3488 return NGX_CONF_ERROR; | |
| 3489 } | |
| 3490 | |
| 509 | 3491 return umcf; |
| 3492 } | |
| 3493 | |
| 3494 | |
| 3495 static char * | |
| 651 | 3496 ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf) |
| 509 | 3497 { |
| 3498 ngx_http_upstream_main_conf_t *umcf = conf; | |
| 3499 | |
| 651 | 3500 ngx_uint_t i; |
| 3501 ngx_array_t headers_in; | |
| 3502 ngx_hash_key_t *hk; | |
| 3503 ngx_hash_init_t hash; | |
| 884 | 3504 ngx_http_upstream_init_pt init; |
| 651 | 3505 ngx_http_upstream_header_t *header; |
| 3506 ngx_http_upstream_srv_conf_t **uscfp; | |
| 3507 | |
| 3508 uscfp = umcf->upstreams.elts; | |
| 3509 | |
| 3510 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 884 | 3511 |
| 3512 init = uscfp[i]->peer.init_upstream ? uscfp[i]->peer.init_upstream: | |
| 3513 ngx_http_upstream_init_round_robin; | |
| 3514 | |
| 3515 if (init(cf, uscfp[i]) != NGX_OK) { | |
| 651 | 3516 return NGX_CONF_ERROR; |
| 3517 } | |
| 3518 } | |
| 649 | 3519 |
| 663 | 3520 |
| 884 | 3521 /* upstream_headers_in_hash */ |
| 3522 | |
| 649 | 3523 if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) |
| 3524 != NGX_OK) | |
| 509 | 3525 { |
| 3526 return NGX_CONF_ERROR; | |
| 3527 } | |
| 3528 | |
| 649 | 3529 for (header = ngx_http_upstream_headers_in; header->name.len; header++) { |
| 3530 hk = ngx_array_push(&headers_in); | |
| 3531 if (hk == NULL) { | |
| 3532 return NGX_CONF_ERROR; | |
| 3533 } | |
| 3534 | |
| 3535 hk->key = header->name; | |
| 3536 hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len); | |
| 3537 hk->value = header; | |
| 3538 } | |
| 3539 | |
| 3540 hash.hash = &umcf->headers_in_hash; | |
| 3541 hash.key = ngx_hash_key_lc; | |
| 3542 hash.max_size = 512; | |
|
751
bae59a740c40
align hash bucket size to cache line
Igor Sysoev <igor@sysoev.ru>
parents:
750
diff
changeset
|
3543 hash.bucket_size = ngx_align(64, ngx_cacheline_size); |
| 649 | 3544 hash.name = "upstream_headers_in_hash"; |
| 3545 hash.pool = cf->pool; | |
| 3546 hash.temp_pool = NULL; | |
| 3547 | |
| 3548 if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) { | |
| 3549 return NGX_CONF_ERROR; | |
| 3550 } | |
| 509 | 3551 |
| 3552 return NGX_CONF_OK; | |
| 3553 } |