Mercurial > hg > nginx
annotate src/http/ngx_http_upstream.c @ 1397:6c25a49e548a
upstream sendfile bit was overridden by r->connection->sendfile
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 14 Aug 2007 20:44:09 +0000 |
| parents | 0be898896d1a |
| children | 491e5059ea19 |
| 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 | |
| 509 | 12 static void ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r); |
| 13 static void ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r); | |
| 14 static void ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
| 15 ngx_event_t *ev); | |
| 479 | 16 static void ngx_http_upstream_connect(ngx_http_request_t *r, |
| 487 | 17 ngx_http_upstream_t *u); |
| 509 | 18 static ngx_int_t ngx_http_upstream_reinit(ngx_http_request_t *r, |
| 487 | 19 ngx_http_upstream_t *u); |
| 479 | 20 static void ngx_http_upstream_send_request(ngx_http_request_t *r, |
| 487 | 21 ngx_http_upstream_t *u); |
| 479 | 22 static void ngx_http_upstream_send_request_handler(ngx_event_t *wev); |
| 23 static void ngx_http_upstream_process_header(ngx_event_t *rev); | |
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24 static ngx_int_t ngx_http_upstream_test_connect(ngx_connection_t *c); |
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25 static void ngx_http_upstream_process_body_in_memory(ngx_event_t *rev); |
| 479 | 26 static void ngx_http_upstream_send_response(ngx_http_request_t *r, |
| 487 | 27 ngx_http_upstream_t *u); |
| 581 | 28 static void |
| 29 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r); | |
| 30 static void ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev); | |
| 31 static ngx_int_t ngx_http_upstream_non_buffered_filter_init(void *data); | |
| 32 static ngx_int_t ngx_http_upstream_non_buffered_filter(void *data, | |
| 33 ssize_t bytes); | |
| 509 | 34 static void ngx_http_upstream_process_downstream(ngx_http_request_t *r); |
| 479 | 35 static void ngx_http_upstream_process_body(ngx_event_t *ev); |
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36 static void ngx_http_upstream_store(ngx_http_request_t *r, |
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37 ngx_http_upstream_t *u); |
| 479 | 38 static void ngx_http_upstream_dummy_handler(ngx_event_t *wev); |
| 39 static void ngx_http_upstream_next(ngx_http_request_t *r, | |
| 487 | 40 ngx_http_upstream_t *u, ngx_uint_t ft_type); |
| 569 | 41 static void ngx_http_upstream_cleanup(void *data); |
| 479 | 42 static void ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
| 487 | 43 ngx_http_upstream_t *u, ngx_int_t rc); |
| 479 | 44 |
| 509 | 45 static ngx_int_t ngx_http_upstream_process_header_line(ngx_http_request_t *r, |
| 46 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 47 static ngx_int_t | |
| 48 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
| 49 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 50 static ngx_int_t ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, | |
| 51 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 527 | 52 static ngx_int_t ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, |
| 53 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 649 | 54 static ngx_int_t ngx_http_upstream_process_buffering(ngx_http_request_t *r, |
| 509 | 55 ngx_table_elt_t *h, ngx_uint_t offset); |
| 657 | 56 static ngx_int_t ngx_http_upstream_process_charset(ngx_http_request_t *r, |
| 57 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 649 | 58 static ngx_int_t ngx_http_upstream_copy_header_line(ngx_http_request_t *r, |
| 509 | 59 ngx_table_elt_t *h, ngx_uint_t offset); |
| 60 static ngx_int_t | |
| 61 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
| 62 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 63 static ngx_int_t ngx_http_upstream_copy_content_type(ngx_http_request_t *r, | |
| 64 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 65 static ngx_int_t ngx_http_upstream_copy_content_length(ngx_http_request_t *r, | |
| 66 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 67 static ngx_int_t ngx_http_upstream_rewrite_location(ngx_http_request_t *r, | |
| 68 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 69 static ngx_int_t ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, | |
| 70 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 71 #if (NGX_HTTP_GZIP) | |
| 72 static ngx_int_t ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
| 73 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 74 #endif | |
| 75 | |
| 573 | 76 static ngx_int_t ngx_http_upstream_add_variables(ngx_conf_t *cf); |
| 1181 | 77 static ngx_int_t ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
| 78 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 79 static ngx_int_t ngx_http_upstream_status_variable(ngx_http_request_t *r, |
| 80 ngx_http_variable_value_t *v, uintptr_t data); | |
| 81 static ngx_int_t ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
| 82 ngx_http_variable_value_t *v, uintptr_t data); | |
| 83 | |
| 651 | 84 static char *ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy); |
| 85 static char *ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 86 void *conf); | |
| 87 | |
| 509 | 88 static void *ngx_http_upstream_create_main_conf(ngx_conf_t *cf); |
| 651 | 89 static char *ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf); |
| 509 | 90 |
| 577 | 91 #if (NGX_HTTP_SSL) |
| 591 | 92 static void ngx_http_upstream_ssl_init_connection(ngx_http_request_t *, |
| 93 ngx_http_upstream_t *u, ngx_connection_t *c); | |
| 577 | 94 static void ngx_http_upstream_ssl_handshake(ngx_connection_t *c); |
| 95 #endif | |
| 96 | |
| 509 | 97 |
| 98 ngx_http_upstream_header_t ngx_http_upstream_headers_in[] = { | |
| 99 | |
| 100 { ngx_string("Status"), | |
| 101 ngx_http_upstream_process_header_line, | |
| 102 offsetof(ngx_http_upstream_headers_in_t, status), | |
| 649 | 103 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 509 | 104 |
| 105 { ngx_string("Content-Type"), | |
| 106 ngx_http_upstream_process_header_line, | |
| 107 offsetof(ngx_http_upstream_headers_in_t, content_type), | |
| 673 | 108 ngx_http_upstream_copy_content_type, 0, 1 }, |
| 509 | 109 |
| 110 { ngx_string("Content-Length"), | |
| 111 ngx_http_upstream_process_header_line, | |
| 112 offsetof(ngx_http_upstream_headers_in_t, content_length), | |
| 515 | 113 ngx_http_upstream_copy_content_length, 0, 0 }, |
| 509 | 114 |
| 115 { ngx_string("Date"), | |
| 116 ngx_http_upstream_process_header_line, | |
| 117 offsetof(ngx_http_upstream_headers_in_t, date), | |
| 649 | 118 ngx_http_upstream_copy_header_line, |
| 119 offsetof(ngx_http_headers_out_t, date), 0 }, | |
| 509 | 120 |
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121 { ngx_string("Last-Modified"), |
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122 ngx_http_upstream_process_header_line, |
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123 offsetof(ngx_http_upstream_headers_in_t, last_modified), |
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124 ngx_http_upstream_copy_header_line, |
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125 offsetof(ngx_http_headers_out_t, last_modified), 0 }, |
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126 |
| 509 | 127 { ngx_string("Server"), |
| 128 ngx_http_upstream_process_header_line, | |
| 129 offsetof(ngx_http_upstream_headers_in_t, server), | |
| 649 | 130 ngx_http_upstream_copy_header_line, |
| 131 offsetof(ngx_http_headers_out_t, server), 0 }, | |
| 509 | 132 |
| 529 | 133 { ngx_string("WWW-Authenticate"), |
| 134 ngx_http_upstream_process_header_line, | |
| 135 offsetof(ngx_http_upstream_headers_in_t, www_authenticate), | |
| 136 ngx_http_upstream_copy_header_line, 0, 0 }, | |
| 137 | |
| 509 | 138 { ngx_string("Location"), |
| 139 ngx_http_upstream_ignore_header_line, 0, | |
| 515 | 140 ngx_http_upstream_rewrite_location, 0, 0 }, |
| 509 | 141 |
| 142 { ngx_string("Refresh"), | |
| 143 ngx_http_upstream_ignore_header_line, 0, | |
| 515 | 144 ngx_http_upstream_rewrite_refresh, 0, 0 }, |
| 145 | |
| 146 { ngx_string("Set-Cookie"), | |
| 147 ngx_http_upstream_ignore_header_line, 0, | |
| 531 | 148 ngx_http_upstream_copy_header_line, 0, 1 }, |
| 149 | |
| 150 { ngx_string("Content-Disposition"), | |
| 151 ngx_http_upstream_ignore_header_line, 0, | |
| 152 ngx_http_upstream_copy_header_line, 0, 1 }, | |
| 509 | 153 |
| 154 { ngx_string("Cache-Control"), | |
| 155 ngx_http_upstream_process_multi_header_lines, | |
| 156 offsetof(ngx_http_upstream_headers_in_t, cache_control), | |
| 157 ngx_http_upstream_copy_multi_header_lines, | |
| 515 | 158 offsetof(ngx_http_headers_out_t, cache_control), 1 }, |
| 509 | 159 |
| 573 | 160 { ngx_string("Expires"), |
| 161 ngx_http_upstream_process_header_line, | |
| 162 offsetof(ngx_http_upstream_headers_in_t, expires), | |
| 163 ngx_http_upstream_copy_header_line, | |
| 164 offsetof(ngx_http_headers_out_t, expires), 1 }, | |
| 165 | |
| 577 | 166 { ngx_string("Accept-Ranges"), |
| 167 ngx_http_upstream_process_header_line, | |
| 168 offsetof(ngx_http_upstream_headers_in_t, accept_ranges), | |
| 169 ngx_http_upstream_copy_header_line, | |
| 170 offsetof(ngx_http_headers_out_t, accept_ranges), 1 }, | |
| 171 | |
| 509 | 172 { ngx_string("Connection"), |
| 173 ngx_http_upstream_ignore_header_line, 0, | |
| 515 | 174 ngx_http_upstream_ignore_header_line, 0, 0 }, |
| 509 | 175 |
| 641 | 176 { ngx_string("Keep-Alive"), |
| 177 ngx_http_upstream_ignore_header_line, 0, | |
| 178 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 179 | |
| 509 | 180 { ngx_string("X-Powered-By"), |
| 181 ngx_http_upstream_ignore_header_line, 0, | |
| 649 | 182 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 509 | 183 |
| 184 { ngx_string("X-Accel-Expires"), | |
| 185 ngx_http_upstream_process_header_line, | |
| 186 offsetof(ngx_http_upstream_headers_in_t, x_accel_expires), | |
| 649 | 187 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 515 | 188 |
| 189 { ngx_string("X-Accel-Redirect"), | |
| 190 ngx_http_upstream_process_header_line, | |
| 191 offsetof(ngx_http_upstream_headers_in_t, x_accel_redirect), | |
| 192 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 509 | 193 |
| 527 | 194 { ngx_string("X-Accel-Limit-Rate"), |
| 195 ngx_http_upstream_process_limit_rate, 0, | |
| 196 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 197 | |
| 649 | 198 { ngx_string("X-Accel-Buffering"), |
| 199 ngx_http_upstream_process_buffering, 0, | |
| 200 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 201 | |
| 657 | 202 { ngx_string("X-Accel-Charset"), |
| 203 ngx_http_upstream_process_charset, 0, | |
| 204 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 205 | |
| 509 | 206 #if (NGX_HTTP_GZIP) |
| 207 { ngx_string("Content-Encoding"), | |
| 208 ngx_http_upstream_process_header_line, | |
| 209 offsetof(ngx_http_upstream_headers_in_t, content_encoding), | |
| 515 | 210 ngx_http_upstream_copy_content_encoding, 0, 0 }, |
| 509 | 211 #endif |
| 212 | |
| 515 | 213 { ngx_null_string, NULL, 0, NULL, 0, 0 } |
| 509 | 214 }; |
| 479 | 215 |
| 216 | |
| 651 | 217 static ngx_command_t ngx_http_upstream_commands[] = { |
| 218 | |
| 219 { ngx_string("upstream"), | |
| 220 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1, | |
| 221 ngx_http_upstream, | |
| 222 0, | |
| 223 0, | |
| 224 NULL }, | |
| 225 | |
| 226 { ngx_string("server"), | |
| 884 | 227 NGX_HTTP_UPS_CONF|NGX_CONF_1MORE, |
| 651 | 228 ngx_http_upstream_server, |
| 229 NGX_HTTP_SRV_CONF_OFFSET, | |
| 230 0, | |
| 231 NULL }, | |
| 232 | |
| 233 ngx_null_command | |
| 234 }; | |
| 235 | |
| 236 | |
| 237 static ngx_http_module_t ngx_http_upstream_module_ctx = { | |
| 573 | 238 ngx_http_upstream_add_variables, /* preconfiguration */ |
| 509 | 239 NULL, /* postconfiguration */ |
| 240 | |
| 241 ngx_http_upstream_create_main_conf, /* create main configuration */ | |
| 651 | 242 ngx_http_upstream_init_main_conf, /* init main configuration */ |
| 479 | 243 |
| 244 NULL, /* create server configuration */ | |
| 245 NULL, /* merge server configuration */ | |
| 246 | |
| 247 NULL, /* create location configuration */ | |
| 248 NULL /* merge location configuration */ | |
| 249 }; | |
| 577 | 250 |
| 479 | 251 |
| 252 ngx_module_t ngx_http_upstream_module = { | |
| 509 | 253 NGX_MODULE_V1, |
| 479 | 254 &ngx_http_upstream_module_ctx, /* module context */ |
| 651 | 255 ngx_http_upstream_commands, /* module directives */ |
| 479 | 256 NGX_HTTP_MODULE, /* module type */ |
| 541 | 257 NULL, /* init master */ |
| 479 | 258 NULL, /* init module */ |
| 541 | 259 NULL, /* init process */ |
| 260 NULL, /* init thread */ | |
| 261 NULL, /* exit thread */ | |
| 262 NULL, /* exit process */ | |
| 263 NULL, /* exit master */ | |
| 264 NGX_MODULE_V1_PADDING | |
| 479 | 265 }; |
| 266 | |
| 267 | |
| 573 | 268 static ngx_http_variable_t ngx_http_upstream_vars[] = { |
| 269 | |
| 1181 | 270 { ngx_string("upstream_addr"), NULL, |
| 271 ngx_http_upstream_addr_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, | |
| 272 | |
| 637 | 273 { ngx_string("upstream_status"), NULL, |
| 583 | 274 ngx_http_upstream_status_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 573 | 275 |
| 637 | 276 { ngx_string("upstream_response_time"), NULL, |
| 583 | 277 ngx_http_upstream_response_time_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 573 | 278 |
| 637 | 279 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 573 | 280 }; |
| 281 | |
| 282 | |
| 487 | 283 void |
| 284 ngx_http_upstream_init(ngx_http_request_t *r) | |
| 479 | 285 { |
| 509 | 286 ngx_connection_t *c; |
| 569 | 287 ngx_http_cleanup_t *cln; |
| 509 | 288 ngx_http_upstream_t *u; |
| 289 ngx_http_core_loc_conf_t *clcf; | |
| 479 | 290 |
| 291 c = r->connection; | |
| 292 | |
| 293 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 294 "http init upstream, client timer: %d", c->read->timer_set); | |
| 295 | |
| 296 if (c->read->timer_set) { | |
| 297 ngx_del_timer(c->read); | |
| 298 } | |
| 299 | |
| 629 | 300 u = r->upstream; |
| 301 | |
| 302 if (!r->post_action && !u->conf->ignore_client_abort) { | |
| 615 | 303 r->read_event_handler = ngx_http_upstream_rd_check_broken_connection; |
| 304 r->write_event_handler = ngx_http_upstream_wr_check_broken_connection; | |
| 305 } | |
| 577 | 306 |
| 479 | 307 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { |
| 308 | |
| 309 if (!c->write->active) { | |
| 531 | 310 if (ngx_add_event(c->write, NGX_WRITE_EVENT, NGX_CLEAR_EVENT) |
| 311 == NGX_ERROR) | |
| 479 | 312 { |
| 313 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 314 return; | |
| 315 } | |
| 316 } | |
| 317 } | |
| 318 | |
| 537 | 319 if (r->request_body) { |
| 320 u->request_bufs = r->request_body->bufs; | |
| 321 } | |
| 509 | 322 |
| 884 | 323 if (u->conf->upstream->peer.init(r, u->conf->upstream) != NGX_OK) { |
| 324 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 325 return; | |
| 326 } | |
| 327 | |
| 537 | 328 if (u->create_request(r) != NGX_OK) { |
| 479 | 329 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 330 return; | |
| 331 } | |
| 332 | |
| 509 | 333 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| 479 | 334 |
| 335 u->output.sendfile = r->connection->sendfile; | |
| 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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parents:
1166
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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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parents:
1166
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348 if (r->upstream_states == NULL) { |
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1166
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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 |
| 479 | 377 ngx_http_upstream_connect(r, u); |
| 378 } | |
| 379 | |
| 380 | |
| 487 | 381 static void |
| 509 | 382 ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r) |
| 383 { | |
| 384 ngx_http_upstream_check_broken_connection(r, r->connection->read); | |
| 385 } | |
| 386 | |
| 387 | |
| 388 static void | |
| 389 ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r) | |
| 390 { | |
| 391 ngx_http_upstream_check_broken_connection(r, r->connection->write); | |
| 392 } | |
| 393 | |
| 394 | |
| 395 static void | |
| 396 ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
| 397 ngx_event_t *ev) | |
| 479 | 398 { |
| 399 int n; | |
| 400 char buf[1]; | |
| 577 | 401 ngx_err_t err; |
| 479 | 402 ngx_connection_t *c; |
| 403 ngx_http_upstream_t *u; | |
| 404 | |
| 527 | 405 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
| 406 "http upstream check client, write event:%d, \"%V\"", | |
| 407 ev->write, &r->uri); | |
| 479 | 408 |
| 509 | 409 c = r->connection; |
| 483 | 410 u = r->upstream; |
| 411 | |
| 583 | 412 if (c->error) { |
| 527 | 413 ngx_http_upstream_finalize_request(r, u, |
| 414 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 415 return; | |
| 416 } | |
| 417 | |
| 483 | 418 if (u->peer.connection == NULL) { |
| 419 return; | |
| 420 } | |
| 421 | |
| 479 | 422 #if (NGX_HAVE_KQUEUE) |
| 423 | |
| 424 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
| 425 | |
| 426 if (!ev->pending_eof) { | |
| 427 return; | |
| 428 } | |
| 429 | |
| 430 ev->eof = 1; | |
| 583 | 431 c->error = 1; |
| 479 | 432 |
| 433 if (ev->kq_errno) { | |
| 434 ev->error = 1; | |
| 435 } | |
| 436 | |
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437 if (!u->cachable && !u->store && u->peer.connection) { |
| 479 | 438 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, |
| 527 | 439 "kevent() reported that client closed prematurely " |
| 440 "connection, so upstream connection is closed too"); | |
| 479 | 441 ngx_http_upstream_finalize_request(r, u, |
| 442 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 443 return; | |
| 444 } | |
| 445 | |
| 446 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, | |
| 447 "kevent() reported that client closed " | |
| 448 "prematurely connection"); | |
| 449 | |
| 450 if (u->peer.connection == NULL) { | |
| 451 ngx_http_upstream_finalize_request(r, u, | |
| 452 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 453 return; | |
| 454 } | |
| 455 | |
| 456 return; | |
| 457 } | |
| 458 | |
| 459 #endif | |
| 460 | |
| 461 n = recv(c->fd, buf, 1, MSG_PEEK); | |
| 462 | |
| 463 err = ngx_socket_errno; | |
| 464 | |
| 1109 | 465 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, err, |
| 466 "http upstream recv(): %d", n); | |
| 467 | |
| 479 | 468 /* |
| 469 * we do not need to disable the write event because | |
| 470 * that event has NGX_USE_CLEAR_EVENT type | |
| 471 */ | |
| 472 | |
| 473 if (ev->write && (n >= 0 || err == NGX_EAGAIN)) { | |
| 474 return; | |
| 475 } | |
| 476 | |
| 477 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { | |
| 478 if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { | |
| 479 ngx_http_upstream_finalize_request(r, u, | |
| 480 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 481 return; | |
| 482 } | |
| 483 } | |
| 484 | |
| 485 if (n > 0) { | |
| 486 return; | |
| 487 } | |
| 488 | |
| 489 if (n == -1) { | |
| 490 if (err == NGX_EAGAIN) { | |
| 491 return; | |
| 492 } | |
| 493 | |
| 494 ev->error = 1; | |
| 495 | |
| 483 | 496 } else { /* n == 0 */ |
| 479 | 497 err = 0; |
| 498 } | |
| 499 | |
| 529 | 500 ev->eof = 1; |
| 583 | 501 c->error = 1; |
| 529 | 502 |
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503 if (!u->cachable && !u->store && u->peer.connection) { |
| 479 | 504 ngx_log_error(NGX_LOG_INFO, ev->log, err, |
| 505 "client closed prematurely connection, " | |
| 506 "so upstream connection is closed too"); | |
| 507 ngx_http_upstream_finalize_request(r, u, | |
| 508 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 509 return; | |
| 510 } | |
| 511 | |
| 512 ngx_log_error(NGX_LOG_INFO, ev->log, err, | |
| 513 "client closed prematurely connection"); | |
| 514 | |
| 515 if (u->peer.connection == NULL) { | |
| 516 ngx_http_upstream_finalize_request(r, u, | |
| 517 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 518 return; | |
| 519 } | |
| 520 } | |
| 521 | |
| 522 | |
| 487 | 523 static void |
| 524 ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 479 | 525 { |
| 591 | 526 ngx_int_t rc; |
| 665 | 527 ngx_time_t *tp; |
| 591 | 528 ngx_connection_t *c; |
| 479 | 529 |
| 483 | 530 r->connection->log->action = "connecting to upstream"; |
| 479 | 531 |
| 532 r->connection->single_connection = 0; | |
| 533 | |
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534 if (u->state && u->state->response_sec) { |
| 665 | 535 tp = ngx_timeofday(); |
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536 u->state->response_sec = tp->sec - u->state->response_sec; |
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537 u->state->response_msec = tp->msec - u->state->response_msec; |
| 665 | 538 } |
| 539 | |
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540 u->state = ngx_array_push(r->upstream_states); |
| 665 | 541 if (u->state == NULL) { |
| 542 ngx_http_upstream_finalize_request(r, u, | |
| 543 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 544 return; | |
| 545 } | |
| 546 | |
| 547 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); | |
| 548 | |
| 549 tp = ngx_timeofday(); | |
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550 u->state->response_sec = tp->sec; |
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551 u->state->response_msec = tp->msec; |
| 665 | 552 |
| 479 | 553 rc = ngx_event_connect_peer(&u->peer); |
| 554 | |
| 555 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 556 "http upstream connect: %i", rc); | |
| 557 | |
| 558 if (rc == NGX_ERROR) { | |
| 559 ngx_http_upstream_finalize_request(r, u, | |
| 560 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 561 return; | |
| 562 } | |
| 563 | |
| 884 | 564 u->state->peer = u->peer.name; |
| 479 | 565 |
| 543 | 566 if (rc == NGX_BUSY) { |
| 567 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no live upstreams"); | |
| 1378 | 568 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_NOLIVE); |
| 569 return; | |
| 543 | 570 } |
| 571 | |
| 1378 | 572 if (rc == NGX_DECLINED) { |
| 479 | 573 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
| 574 return; | |
| 575 } | |
| 576 | |
| 577 | 577 /* rc == NGX_OK || rc == NGX_AGAIN */ |
| 578 | |
| 479 | 579 c = u->peer.connection; |
| 580 | |
| 581 c->data = r; | |
| 591 | 582 |
| 509 | 583 c->write->handler = ngx_http_upstream_send_request_handler; |
| 584 c->read->handler = ngx_http_upstream_process_header; | |
| 479 | 585 |
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586 c->sendfile &= r->connection->sendfile; |
| 479 | 587 |
| 588 c->pool = r->pool; | |
| 589 c->read->log = c->write->log = c->log = r->connection->log; | |
| 590 | |
| 591 /* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */ | |
| 592 | |
| 593 u->writer.out = NULL; | |
| 594 u->writer.last = &u->writer.out; | |
| 595 u->writer.connection = c; | |
| 596 u->writer.limit = 0; | |
| 597 | |
| 598 if (u->request_sent) { | |
| 509 | 599 if (ngx_http_upstream_reinit(r, u) != NGX_OK) { |
| 600 ngx_http_upstream_finalize_request(r, u, | |
| 601 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 602 return; | |
| 603 } | |
| 479 | 604 } |
| 605 | |
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606 if (r->request_body |
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607 && r->request_body->buf |
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608 && r->request_body->temp_file |
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609 && r == r->main) |
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610 { |
| 573 | 611 /* |
| 612 * the r->request_body->buf can be reused for one request only, | |
| 613 * the subrequests should allocate their own temporay bufs | |
| 614 */ | |
| 615 | |
| 616 u->output.free = ngx_alloc_chain_link(r->pool); | |
| 617 if (u->output.free == NULL) { | |
| 618 ngx_http_upstream_finalize_request(r, u, | |
| 619 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 620 return; | |
| 479 | 621 } |
| 573 | 622 |
| 623 u->output.free->buf = r->request_body->buf; | |
| 624 u->output.free->next = NULL; | |
| 625 u->output.allocated = 1; | |
| 626 | |
| 627 r->request_body->buf->pos = r->request_body->buf->start; | |
| 628 r->request_body->buf->last = r->request_body->buf->start; | |
| 629 r->request_body->buf->tag = u->output.tag; | |
| 479 | 630 } |
| 631 | |
| 632 u->request_sent = 0; | |
| 633 | |
| 634 if (rc == NGX_AGAIN) { | |
| 635 ngx_add_timer(c->write, u->conf->connect_timeout); | |
| 636 return; | |
| 637 } | |
| 638 | |
| 577 | 639 #if (NGX_HTTP_SSL) |
| 640 | |
| 591 | 641 if (u->conf->ssl && c->ssl == NULL) { |
| 642 ngx_http_upstream_ssl_init_connection(r, u, c); | |
| 577 | 643 return; |
| 644 } | |
| 645 | |
| 646 #endif | |
| 647 | |
| 479 | 648 ngx_http_upstream_send_request(r, u); |
| 649 } | |
| 650 | |
| 651 | |
| 577 | 652 #if (NGX_HTTP_SSL) |
| 653 | |
| 654 static void | |
| 591 | 655 ngx_http_upstream_ssl_init_connection(ngx_http_request_t *r, |
| 656 ngx_http_upstream_t *u, ngx_connection_t *c) | |
| 657 { | |
| 884 | 658 ngx_int_t rc; |
| 591 | 659 |
| 660 if (ngx_ssl_create_connection(u->conf->ssl, c, | |
| 661 NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
| 662 == NGX_ERROR) | |
| 663 { | |
| 664 ngx_http_upstream_finalize_request(r, u, | |
| 665 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 666 return; | |
| 667 } | |
| 668 | |
| 669 c->sendfile = 0; | |
| 619 | 670 u->output.sendfile = 0; |
| 591 | 671 |
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672 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { |
| 591 | 673 ngx_http_upstream_finalize_request(r, u, |
| 674 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 675 return; | |
| 676 } | |
| 677 | |
| 641 | 678 r->connection->log->action = "SSL handshaking to upstream"; |
| 679 | |
| 591 | 680 rc = ngx_ssl_handshake(c); |
| 681 | |
| 682 if (rc == NGX_AGAIN) { | |
| 683 c->ssl->handler = ngx_http_upstream_ssl_handshake; | |
| 684 return; | |
| 685 } | |
| 686 | |
| 687 ngx_http_upstream_ssl_handshake(c); | |
| 688 } | |
| 689 | |
| 690 | |
| 691 static void | |
| 577 | 692 ngx_http_upstream_ssl_handshake(ngx_connection_t *c) |
| 693 { | |
| 694 ngx_http_request_t *r; | |
| 695 ngx_http_upstream_t *u; | |
| 696 | |
| 697 r = c->data; | |
| 698 u = r->upstream; | |
| 699 | |
| 700 if (c->ssl->handshaked) { | |
| 701 | |
| 884 | 702 u->peer.save_session(&u->peer, u->peer.data); |
| 703 | |
| 577 | 704 c->write->handler = ngx_http_upstream_send_request_handler; |
| 705 c->read->handler = ngx_http_upstream_process_header; | |
| 706 | |
| 707 ngx_http_upstream_send_request(r, u); | |
| 708 | |
| 709 return; | |
| 710 } | |
| 711 | |
| 712 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 713 | |
| 714 } | |
| 715 | |
| 716 #endif | |
| 717 | |
| 718 | |
| 509 | 719 static ngx_int_t |
| 487 | 720 ngx_http_upstream_reinit(ngx_http_request_t *r, ngx_http_upstream_t *u) |
| 479 | 721 { |
| 722 ngx_chain_t *cl; | |
| 723 | |
| 509 | 724 if (u->reinit_request(r) != NGX_OK) { |
| 725 return NGX_ERROR; | |
| 726 } | |
| 727 | |
| 728 ngx_memzero(&r->upstream->headers_in, | |
| 729 sizeof(ngx_http_upstream_headers_in_t)); | |
| 730 | |
| 731 if (ngx_list_init(&r->upstream->headers_in.headers, r->pool, 8, | |
| 591 | 732 sizeof(ngx_table_elt_t)) |
| 733 != NGX_OK) | |
| 509 | 734 { |
| 735 return NGX_ERROR; | |
| 479 | 736 } |
| 737 | |
| 738 /* reinit the request chain */ | |
| 577 | 739 |
| 509 | 740 for (cl = u->request_bufs; cl; cl = cl->next) { |
| 479 | 741 cl->buf->pos = cl->buf->start; |
| 742 cl->buf->file_pos = 0; | |
| 743 } | |
| 744 | |
| 509 | 745 /* reinit the subrequest's ngx_output_chain() context */ |
| 746 | |
| 573 | 747 if (r->request_body && r->request_body->temp_file |
| 597 | 748 && r != r->main && u->output.buf) |
| 573 | 749 { |
| 750 u->output.free = ngx_alloc_chain_link(r->pool); | |
| 751 if (u->output.free == NULL) { | |
| 752 return NGX_ERROR; | |
| 509 | 753 } |
| 573 | 754 |
| 755 u->output.free->buf = u->output.buf; | |
| 756 u->output.free->next = NULL; | |
| 757 | |
| 758 u->output.buf->pos = u->output.buf->start; | |
| 759 u->output.buf->last = u->output.buf->start; | |
| 509 | 760 } |
| 479 | 761 |
| 762 u->output.buf = NULL; | |
| 763 u->output.in = NULL; | |
| 764 u->output.busy = NULL; | |
| 577 | 765 |
| 581 | 766 /* reinit u->buffer */ |
| 577 | 767 |
| 479 | 768 #if 0 |
| 769 if (u->cache) { | |
| 581 | 770 u->buffer.pos = u->buffer.start + u->cache->ctx.header_size; |
| 771 u->buffer.last = u->buffer.pos; | |
| 479 | 772 |
| 773 } else { | |
| 581 | 774 u->buffer.pos = u->buffer.start; |
| 775 u->buffer.last = u->buffer.start; | |
| 479 | 776 } |
| 777 #else | |
| 509 | 778 |
| 581 | 779 u->buffer.pos = u->buffer.start; |
| 780 u->buffer.last = u->buffer.start; | |
| 509 | 781 |
| 479 | 782 #endif |
| 783 | |
| 509 | 784 return NGX_OK; |
| 479 | 785 } |
| 786 | |
| 787 | |
| 487 | 788 static void |
| 789 ngx_http_upstream_send_request(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 479 | 790 { |
|
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parents:
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changeset
|
791 ngx_int_t rc; |
| 483 | 792 ngx_connection_t *c; |
| 577 | 793 |
| 479 | 794 c = u->peer.connection; |
| 795 | |
| 796 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 797 "http upstream send request"); | |
| 798 | |
|
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changeset
|
799 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
| 1166 | 800 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
|
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801 return; |
| 479 | 802 } |
| 803 | |
| 483 | 804 c->log->action = "sending request to upstream"; |
| 479 | 805 |
| 509 | 806 rc = ngx_output_chain(&u->output, u->request_sent ? NULL : u->request_bufs); |
| 479 | 807 |
| 808 u->request_sent = 1; | |
| 809 | |
| 810 if (rc == NGX_ERROR) { | |
| 811 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 812 return; | |
| 813 } | |
| 814 | |
| 815 if (c->write->timer_set) { | |
| 816 ngx_del_timer(c->write); | |
| 817 } | |
| 818 | |
| 819 if (rc == NGX_AGAIN) { | |
| 820 ngx_add_timer(c->write, u->conf->send_timeout); | |
| 821 | |
| 822 if (ngx_handle_write_event(c->write, u->conf->send_lowat) == NGX_ERROR) | |
| 823 { | |
| 824 ngx_http_upstream_finalize_request(r, u, | |
| 825 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 826 return; | |
| 827 } | |
| 828 | |
| 829 return; | |
| 830 } | |
| 831 | |
| 832 /* rc == NGX_OK */ | |
| 833 | |
| 834 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) { | |
| 835 if (ngx_tcp_push(c->fd) == NGX_ERROR) { | |
| 836 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, | |
| 837 ngx_tcp_push_n " failed"); | |
| 838 ngx_http_upstream_finalize_request(r, u, | |
| 839 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 577 | 840 return; |
| 479 | 841 } |
| 842 | |
| 843 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET; | |
| 844 } | |
| 577 | 845 |
| 479 | 846 ngx_add_timer(c->read, u->conf->read_timeout); |
| 847 | |
| 848 #if 1 | |
| 849 if (c->read->ready) { | |
| 577 | 850 |
| 479 | 851 /* post aio operation */ |
| 852 | |
| 853 /* | |
| 854 * TODO comment | |
| 855 * although we can post aio operation just in the end | |
| 856 * of ngx_http_upstream_connect() CHECK IT !!! | |
| 857 * it's better to do here because we postpone header buffer allocation | |
| 858 */ | |
| 859 | |
| 860 ngx_http_upstream_process_header(c->read); | |
| 861 return; | |
| 862 } | |
| 863 #endif | |
| 864 | |
| 509 | 865 c->write->handler = ngx_http_upstream_dummy_handler; |
| 479 | 866 |
| 509 | 867 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
| 479 | 868 ngx_http_upstream_finalize_request(r, u, |
| 869 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 870 return; | |
| 871 } | |
| 872 } | |
| 873 | |
| 874 | |
| 487 | 875 static void |
| 876 ngx_http_upstream_send_request_handler(ngx_event_t *wev) | |
| 479 | 877 { |
| 878 ngx_connection_t *c; | |
| 879 ngx_http_request_t *r; | |
| 880 ngx_http_upstream_t *u; | |
| 881 | |
| 882 c = wev->data; | |
| 883 r = c->data; | |
| 884 u = r->upstream; | |
| 885 | |
| 886 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
| 887 "http upstream send request handler"); | |
| 888 | |
| 889 if (wev->timedout) { | |
| 890 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
| 891 return; | |
| 892 } | |
| 893 | |
| 591 | 894 #if (NGX_HTTP_SSL) |
| 895 | |
| 896 if (u->conf->ssl && c->ssl == NULL) { | |
| 897 ngx_http_upstream_ssl_init_connection(r, u, c); | |
| 898 return; | |
| 899 } | |
| 900 | |
| 901 #endif | |
| 902 | |
| 651 | 903 if (u->header_sent) { |
| 904 wev->handler = ngx_http_upstream_dummy_handler; | |
| 905 | |
| 906 (void) ngx_handle_write_event(wev, 0); | |
| 907 | |
| 908 return; | |
| 909 } | |
| 910 | |
| 479 | 911 ngx_http_upstream_send_request(r, u); |
| 912 } | |
| 913 | |
| 914 | |
| 487 | 915 static void |
| 916 ngx_http_upstream_process_header(ngx_event_t *rev) | |
| 479 | 917 { |
| 515 | 918 ssize_t n; |
| 919 ngx_int_t rc; | |
| 573 | 920 ngx_str_t *uri, args; |
| 649 | 921 ngx_uint_t i, flags; |
| 515 | 922 ngx_list_part_t *part; |
| 923 ngx_table_elt_t *h; | |
| 924 ngx_connection_t *c; | |
| 925 ngx_http_request_t *r; | |
| 926 ngx_http_upstream_t *u; | |
| 927 ngx_http_err_page_t *err_page; | |
| 928 ngx_http_core_loc_conf_t *clcf; | |
| 929 ngx_http_upstream_header_t *hh; | |
| 930 ngx_http_upstream_main_conf_t *umcf; | |
| 479 | 931 |
| 932 c = rev->data; | |
| 933 r = c->data; | |
| 934 u = r->upstream; | |
| 935 | |
| 936 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, | |
| 483 | 937 "http upstream process header"); |
| 479 | 938 |
| 483 | 939 c->log->action = "reading response header from upstream"; |
| 479 | 940 |
| 941 if (rev->timedout) { | |
| 942 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
| 943 return; | |
| 944 } | |
| 577 | 945 |
|
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946 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
| 1166 | 947 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
|
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948 return; |
|
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949 } |
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950 |
| 581 | 951 if (u->buffer.start == NULL) { |
| 952 u->buffer.start = ngx_palloc(r->pool, u->conf->buffer_size); | |
| 953 if (u->buffer.start == NULL) { | |
| 479 | 954 ngx_http_upstream_finalize_request(r, u, |
| 955 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 956 return; | |
| 957 } | |
| 958 | |
| 581 | 959 u->buffer.pos = u->buffer.start; |
| 960 u->buffer.last = u->buffer.start; | |
| 961 u->buffer.end = u->buffer.start + u->conf->buffer_size; | |
| 962 u->buffer.temporary = 1; | |
| 963 | |
| 964 u->buffer.tag = u->output.tag; | |
| 479 | 965 |
| 509 | 966 if (ngx_list_init(&r->upstream->headers_in.headers, r->pool, 8, |
| 581 | 967 sizeof(ngx_table_elt_t)) |
| 968 != NGX_OK) | |
| 509 | 969 { |
| 970 ngx_http_upstream_finalize_request(r, u, | |
| 971 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 972 return; | |
| 973 } | |
| 974 | |
| 479 | 975 #if 0 |
| 976 if (u->cache) { | |
| 581 | 977 u->buffer.pos += u->cache->ctx.header_size; |
| 978 u->buffer.last = u->buffer.pos; | |
| 479 | 979 } |
| 980 #endif | |
| 981 } | |
| 982 | |
| 581 | 983 n = u->peer.connection->recv(u->peer.connection, u->buffer.last, |
| 1245 | 984 u->buffer.end - u->buffer.last); |
| 479 | 985 |
| 986 if (n == NGX_AGAIN) { | |
| 987 #if 0 | |
| 988 ngx_add_timer(rev, u->read_timeout); | |
| 989 #endif | |
| 990 | |
| 991 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 992 ngx_http_upstream_finalize_request(r, u, | |
| 993 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 994 return; | |
| 995 } | |
| 996 | |
| 997 return; | |
| 998 } | |
| 999 | |
| 1000 if (n == 0) { | |
| 1001 ngx_log_error(NGX_LOG_ERR, rev->log, 0, | |
| 1002 "upstream prematurely closed connection"); | |
| 1003 } | |
| 1004 | |
| 1005 if (n == NGX_ERROR || n == 0) { | |
| 1006 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 1007 return; | |
| 1008 } | |
| 1009 | |
| 581 | 1010 u->buffer.last += n; |
| 479 | 1011 |
| 1012 #if 0 | |
| 1013 u->valid_header_in = 0; | |
| 1014 | |
| 1015 u->peer.cached = 0; | |
| 1016 #endif | |
| 1017 | |
| 1018 rc = u->process_header(r); | |
| 1019 | |
| 1020 if (rc == NGX_AGAIN) { | |
| 1021 #if 0 | |
| 1022 ngx_add_timer(rev, u->read_timeout); | |
| 1023 #endif | |
| 1024 | |
| 581 | 1025 if (u->buffer.pos == u->buffer.end) { |
| 479 | 1026 ngx_log_error(NGX_LOG_ERR, rev->log, 0, |
| 1027 "upstream sent too big header"); | |
| 1028 | |
| 1029 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
| 1030 return; | |
| 1031 } | |
| 1032 | |
| 1033 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 1034 ngx_http_upstream_finalize_request(r, u, | |
| 1035 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1036 return; | |
| 1037 } | |
| 1038 | |
| 1039 return; | |
| 1040 } | |
| 1041 | |
| 1042 if (rc == NGX_HTTP_UPSTREAM_INVALID_HEADER) { | |
| 1043 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
| 1044 return; | |
| 1045 } | |
| 1046 | |
| 1047 if (rc == NGX_ERROR || rc == NGX_HTTP_INTERNAL_SERVER_ERROR) { | |
| 1048 ngx_http_upstream_finalize_request(r, u, | |
| 1049 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1050 return; | |
| 1051 } | |
| 1052 | |
| 1053 /* rc == NGX_OK */ | |
| 1054 | |
|
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1055 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST |
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1056 && r->subrequest_in_memory) |
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1057 { |
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1058 u->buffer.last = u->buffer.pos; |
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1059 } |
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1060 |
| 529 | 1061 if (u->headers_in.status_n == NGX_HTTP_INTERNAL_SERVER_ERROR) { |
| 509 | 1062 |
| 1063 if (u->peer.tries > 1 | |
| 1064 && (u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_HTTP_500)) | |
| 1065 { | |
| 1066 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_HTTP_500); | |
| 1067 return; | |
| 1068 } | |
| 1069 | |
| 1070 #if (NGX_HTTP_CACHE) | |
| 1071 | |
| 1072 if (u->peer.tries == 0 | |
| 1073 && u->stale | |
| 1074 && (u->conf->use_stale & NGX_HTTP_UPSTREAM_FT_HTTP_500)) | |
| 1075 { | |
| 1076 ngx_http_upstream_finalize_request(r, u, | |
| 529 | 1077 ngx_http_send_cached_response(r)); |
| 509 | 1078 return; |
| 1079 } | |
| 1080 | |
| 1081 #endif | |
| 1082 } | |
| 1083 | |
| 597 | 1084 if (u->headers_in.status_n == NGX_HTTP_NOT_FOUND) { |
| 1085 | |
| 1086 if (u->peer.tries > 1 | |
| 1087 && u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_HTTP_404) | |
| 1088 { | |
| 1089 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_HTTP_404); | |
| 1090 return; | |
| 1091 } | |
| 1092 | |
| 675 | 1093 if (u->conf->intercept_404) { |
| 1094 ngx_http_upstream_finalize_request(r, u, NGX_HTTP_NOT_FOUND); | |
| 597 | 1095 return; |
| 1096 } | |
| 509 | 1097 } |
| 1098 | |
| 1099 | |
| 529 | 1100 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST |
| 675 | 1101 && u->conf->intercept_errors) |
| 487 | 1102 { |
| 1103 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1104 | |
| 1105 if (clcf->error_pages) { | |
| 1106 | |
| 1107 err_page = clcf->error_pages->elts; | |
| 1108 for (i = 0; i < clcf->error_pages->nelts; i++) { | |
| 529 | 1109 if (err_page[i].status == (ngx_int_t) u->headers_in.status_n) { |
| 1110 | |
| 1111 if (u->headers_in.status_n == NGX_HTTP_UNAUTHORIZED) { | |
| 1112 | |
| 1113 r->headers_out.www_authenticate = | |
| 1114 ngx_list_push(&r->headers_out.headers); | |
| 1115 | |
| 1116 if (r->headers_out.www_authenticate == NULL) { | |
| 1117 ngx_http_upstream_finalize_request(r, u, | |
| 1118 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1119 return; | |
| 1120 } | |
| 1121 | |
| 577 | 1122 *r->headers_out.www_authenticate = |
| 529 | 1123 *u->headers_in.www_authenticate; |
| 1124 } | |
| 1125 | |
| 487 | 1126 ngx_http_upstream_finalize_request(r, u, |
| 529 | 1127 u->headers_in.status_n); |
| 487 | 1128 return; |
| 1129 } | |
| 1130 } | |
| 1131 } | |
| 1132 } | |
| 1133 | |
| 681 | 1134 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); |
| 1135 | |
| 515 | 1136 if (r->upstream->headers_in.x_accel_redirect) { |
|
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diff
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|
1137 |
| 515 | 1138 ngx_http_upstream_finalize_request(r, u, NGX_DECLINED); |
| 1139 | |
| 1140 part = &r->upstream->headers_in.headers.part; | |
| 1141 h = part->elts; | |
| 1142 | |
| 1143 for (i = 0; /* void */; i++) { | |
| 1144 | |
| 1145 if (i >= part->nelts) { | |
| 1146 if (part->next == NULL) { | |
| 1147 break; | |
| 1148 } | |
| 577 | 1149 |
| 515 | 1150 part = part->next; |
| 1151 h = part->elts; | |
| 1152 i = 0; | |
| 1153 } | |
| 1154 | |
| 649 | 1155 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, |
| 1156 h[i].lowcase_key, h[i].key.len); | |
| 1157 | |
| 1158 if (hh && hh->redirect) { | |
| 1159 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
|
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1160 ngx_http_finalize_request(r, |
|
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1161 NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 515 | 1162 return; |
| 1163 } | |
| 1164 } | |
| 1165 } | |
| 1166 | |
| 573 | 1167 uri = &r->upstream->headers_in.x_accel_redirect->value; |
| 1168 args.len = 0; | |
| 1169 args.data = NULL; | |
| 1170 flags = 0; | |
| 1171 | |
| 1172 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) { | |
|
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1173 ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); |
| 573 | 1174 return; |
| 1175 } | |
| 1176 | |
| 1177 if (flags & NGX_HTTP_ZERO_IN_URI) { | |
| 1178 r->zero_in_uri = 1; | |
| 1179 } | |
| 1180 | |
| 653 | 1181 if (r->method != NGX_HTTP_HEAD) { |
| 1182 r->method = NGX_HTTP_GET; | |
| 1183 } | |
| 1184 | |
| 573 | 1185 ngx_http_internal_redirect(r, uri, &args); |
| 515 | 1186 return; |
| 1187 } | |
| 1188 | |
| 509 | 1189 part = &r->upstream->headers_in.headers.part; |
| 1190 h = part->elts; | |
| 1191 | |
| 1192 for (i = 0; /* void */; i++) { | |
| 479 | 1193 |
| 509 | 1194 if (i >= part->nelts) { |
| 1195 if (part->next == NULL) { | |
| 1196 break; | |
| 1197 } | |
| 577 | 1198 |
| 509 | 1199 part = part->next; |
| 1200 h = part->elts; | |
| 1201 i = 0; | |
| 1202 } | |
| 1203 | |
| 649 | 1204 if (ngx_hash_find(&u->conf->hide_headers_hash, h[i].hash, |
| 1205 h[i].lowcase_key, h[i].key.len)) | |
| 509 | 1206 { |
| 649 | 1207 continue; |
| 1208 } | |
| 1209 | |
| 1210 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, | |
| 1211 h[i].lowcase_key, h[i].key.len); | |
| 1212 | |
| 1213 if (hh) { | |
| 1214 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
| 509 | 1215 ngx_http_upstream_finalize_request(r, u, |
| 1216 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1217 return; | |
| 1218 } | |
| 1219 | |
| 1220 continue; | |
| 1221 } | |
| 1222 | |
| 1223 if (ngx_http_upstream_copy_header_line(r, &h[i], 0) != NGX_OK) { | |
| 1224 ngx_http_upstream_finalize_request(r, u, | |
| 1225 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1226 return; | |
| 1227 } | |
| 1228 } | |
| 1229 | |
| 649 | 1230 if (r->headers_out.server && r->headers_out.server->value.data == NULL) { |
| 1231 r->headers_out.server->hash = 0; | |
| 1232 } | |
| 1233 | |
| 1234 if (r->headers_out.date && r->headers_out.date->value.data == NULL) { | |
| 1235 r->headers_out.date->hash = 0; | |
| 1236 } | |
| 1237 | |
| 529 | 1238 r->headers_out.status = u->headers_in.status_n; |
| 1239 r->headers_out.status_line = u->headers_in.status_line; | |
| 1240 | |
| 581 | 1241 if (r->headers_out.content_length_n != -1) { |
| 1242 u->length = (size_t) r->headers_out.content_length_n; | |
| 1243 | |
| 1244 } else { | |
| 1245 u->length = NGX_MAX_SIZE_T_VALUE; | |
| 1246 } | |
| 1247 | |
|
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1248 if (!r->subrequest_in_memory) { |
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1249 ngx_http_upstream_send_response(r, u); |
|
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1250 return; |
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1251 } |
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1252 |
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1253 /* subrequest content in memory */ |
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1254 |
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1255 if (u->input_filter == NULL) { |
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1256 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; |
|
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1257 u->input_filter = ngx_http_upstream_non_buffered_filter; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1258 u->input_filter_ctx = r; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1259 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1260 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1261 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1262 ngx_http_upstream_finalize_request(r, u, |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1263 NGX_HTTP_INTERNAL_SERVER_ERROR); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1264 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1265 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1266 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1267 if (u->buffer.last - u->buffer.pos >= (ssize_t) u->length) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1268 if (u->input_filter(u->input_filter_ctx, 0) == NGX_ERROR) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1269 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1270 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1271 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1272 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1273 ngx_http_upstream_finalize_request(r, u, 0); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1274 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1275 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1276 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1277 rev->handler = ngx_http_upstream_process_body_in_memory; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1278 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1279 ngx_http_upstream_process_body_in_memory(rev); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1280 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1281 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1282 |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1283 static ngx_int_t |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1284 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
|
1285 { |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1286 int err; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1287 socklen_t len; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1288 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1289 #if (NGX_HAVE_KQUEUE) |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1290 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1291 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
| 1166 | 1292 if (c->write->pending_eof) { |
| 1293 (void) ngx_connection_error(c, c->write->kq_errno, | |
| 1294 "kevent() reported that connect() failed"); | |
| 1295 return NGX_ERROR; | |
| 1296 } | |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1297 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1298 } else |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1299 #endif |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1300 { |
| 1166 | 1301 err = 0; |
| 1302 len = sizeof(int); | |
| 1303 | |
| 1304 /* | |
| 1305 * BSDs and Linux return 0 and set a pending error in err | |
| 1306 * Solaris returns -1 and sets errno | |
| 1307 */ | |
| 1308 | |
| 1309 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
| 1310 == -1) | |
| 1311 { | |
| 1312 err = ngx_errno; | |
| 1313 } | |
| 1314 | |
| 1315 if (err) { | |
| 1316 (void) ngx_connection_error(c, err, "connect() failed"); | |
| 1317 return NGX_ERROR; | |
| 1318 } | |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1319 } |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1320 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1321 return NGX_OK; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1322 } |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1323 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1324 |
|
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1325 static void |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1326 ngx_http_upstream_process_body_in_memory(ngx_event_t *rev) |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1327 { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1328 size_t size; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1329 ssize_t n; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1330 ngx_buf_t *b; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1331 ngx_connection_t *c; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1332 ngx_http_request_t *r; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1333 ngx_http_upstream_t *u; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1334 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1335 c = rev->data; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1336 r = c->data; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1337 u = r->upstream; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1338 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1339 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1340 "http upstream process body on memory"); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1341 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1342 if (rev->timedout) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1343 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1344 ngx_http_upstream_finalize_request(r, u, NGX_ETIMEDOUT); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1345 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1346 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1347 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1348 b = &u->buffer; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1349 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1350 for ( ;; ) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1351 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1352 size = b->end - b->last; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1353 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1354 if (size == 0) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1355 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1356 "upstream buffer is too small to read repsonse"); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1357 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1358 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1359 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1360 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1361 n = c->recv(c, b->last, size); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1362 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1363 if (n == NGX_AGAIN) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1364 break; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1365 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1366 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1367 if (n == 0 || n == NGX_ERROR) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1368 ngx_http_upstream_finalize_request(r, u, n); |
|
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
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1372 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1373 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1374 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1375 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1376 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1377 if (!rev->ready) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1378 break; |
|
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 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1381 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1382 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1383 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1384 return; |
|
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 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1387 if (rev->active) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1388 ngx_add_timer(rev, u->conf->read_timeout); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1389 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1390 } else if (rev->timer_set) { |
|
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1391 ngx_del_timer(rev); |
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1392 } |
| 681 | 1393 } |
| 1394 | |
| 1395 | |
| 1396 static void | |
| 1397 ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 1398 { | |
| 1399 int tcp_nodelay; | |
| 1400 ssize_t size; | |
| 1401 ngx_int_t rc; | |
| 1402 ngx_event_pipe_t *p; | |
| 1403 ngx_connection_t *c; | |
| 1404 ngx_pool_cleanup_t *cl; | |
| 1405 ngx_pool_cleanup_file_t *clf; | |
| 1406 ngx_http_core_loc_conf_t *clcf; | |
| 1407 | |
| 509 | 1408 rc = ngx_http_send_header(r); |
| 479 | 1409 |
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1410 if (rc == NGX_ERROR || rc > NGX_OK || r->post_action || r->header_only) { |
| 485 | 1411 ngx_http_upstream_finalize_request(r, u, rc); |
| 479 | 1412 return; |
| 1413 } | |
| 1414 | |
| 1415 u->header_sent = 1; | |
| 1416 | |
| 573 | 1417 if (r->request_body && r->request_body->temp_file) { |
| 563 | 1418 for (cl = r->pool->cleanup; cl; cl = cl->next) { |
| 1419 if (cl->handler == ngx_pool_cleanup_file) { | |
| 1420 clf = cl->data; | |
| 1421 | |
| 1422 if (clf->fd == r->request_body->temp_file->file.fd) { | |
| 1423 cl->handler(clf); | |
| 1424 cl->handler = NULL; | |
| 659 | 1425 r->request_body->temp_file->file.fd = NGX_INVALID_FILE; |
| 563 | 1426 break; |
| 1427 } | |
| 1428 } | |
| 1429 } | |
| 1430 } | |
| 1431 | |
| 583 | 1432 c = r->connection; |
| 1433 | |
| 581 | 1434 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| 1435 | |
| 649 | 1436 if (!u->buffering) { |
| 581 | 1437 |
| 1438 if (u->input_filter == NULL) { | |
| 1439 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; | |
| 1440 u->input_filter = ngx_http_upstream_non_buffered_filter; | |
| 1441 u->input_filter_ctx = r; | |
| 1442 } | |
| 1443 | |
| 1444 u->peer.connection->read->handler = | |
| 1445 ngx_http_upstream_process_non_buffered_body; | |
| 1446 r->write_event_handler = | |
| 1447 ngx_http_upstream_process_non_buffered_downstream; | |
| 1448 | |
| 1449 r->limit_rate = 0; | |
| 1450 | |
| 1451 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { | |
| 1452 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1453 return; | |
| 1454 } | |
| 1455 | |
| 583 | 1456 if (clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
| 1457 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay"); | |
| 1458 | |
| 1459 tcp_nodelay = 1; | |
| 1460 | |
| 1461 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
| 1462 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
| 1463 { | |
| 1464 ngx_connection_error(c, ngx_socket_errno, | |
| 1465 "setsockopt(TCP_NODELAY) failed"); | |
| 1466 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1467 return; | |
| 1468 } | |
| 1469 | |
| 1470 c->tcp_nodelay = NGX_TCP_NODELAY_SET; | |
| 1471 } | |
| 1472 | |
| 581 | 1473 size = u->buffer.last - u->buffer.pos; |
| 1474 | |
| 1475 if (size) { | |
| 1476 u->buffer.last = u->buffer.pos; | |
| 1477 | |
| 1478 if (u->input_filter(u->input_filter_ctx, size) == NGX_ERROR) { | |
| 1479 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1480 return; | |
| 1481 } | |
| 1482 | |
| 583 | 1483 ngx_http_upstream_process_non_buffered_body(c->write); |
| 581 | 1484 |
| 1485 } else { | |
| 1486 u->buffer.pos = u->buffer.start; | |
| 1487 u->buffer.last = u->buffer.start; | |
| 1488 | |
| 1489 if (ngx_http_send_special(r, NGX_HTTP_FLUSH) == NGX_ERROR) { | |
| 1490 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1491 return; | |
| 1492 } | |
| 1493 } | |
| 1494 | |
| 1495 return; | |
| 1496 } | |
| 1497 | |
| 479 | 1498 /* TODO: preallocate event_pipe bufs, look "Content-Length" */ |
| 1499 | |
| 1500 #if 0 | |
| 1501 | |
| 1502 if (u->cache && u->cache->ctx.file.fd != NGX_INVALID_FILE) { | |
| 1503 if (ngx_close_file(u->cache->ctx.file.fd) == NGX_FILE_ERROR) { | |
| 583 | 1504 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
| 479 | 1505 ngx_close_file_n " \"%s\" failed", |
| 1506 u->cache->ctx.file.name.data); | |
| 1507 } | |
| 1508 } | |
| 1509 | |
| 1510 if (u->cachable) { | |
| 581 | 1511 header = (ngx_http_cache_header_t *) u->buffer->start; |
| 479 | 1512 |
| 1513 header->expires = u->cache->ctx.expires; | |
| 1514 header->last_modified = u->cache->ctx.last_modified; | |
| 1515 header->date = u->cache->ctx.date; | |
| 1516 header->length = r->headers_out.content_length_n; | |
| 1517 u->cache->ctx.length = r->headers_out.content_length_n; | |
| 1518 | |
| 1519 header->key_len = u->cache->ctx.key0.len; | |
| 1520 ngx_memcpy(&header->key, u->cache->ctx.key0.data, header->key_len); | |
| 1521 header->key[header->key_len] = LF; | |
| 1522 } | |
| 1523 | |
| 1524 #endif | |
| 1525 | |
| 581 | 1526 p = u->pipe; |
| 479 | 1527 |
| 1528 p->output_filter = (ngx_event_pipe_output_filter_pt) ngx_http_output_filter; | |
| 1529 p->output_ctx = r; | |
| 1530 p->tag = u->output.tag; | |
| 577 | 1531 p->bufs = u->conf->bufs; |
| 479 | 1532 p->busy_size = u->conf->busy_buffers_size; |
| 1533 p->upstream = u->peer.connection; | |
| 583 | 1534 p->downstream = c; |
| 479 | 1535 p->pool = r->pool; |
| 583 | 1536 p->log = c->log; |
| 577 | 1537 |
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1538 p->cachable = u->cachable || u->store; |
| 479 | 1539 |
| 501 | 1540 p->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
| 1541 if (p->temp_file == NULL) { | |
| 479 | 1542 ngx_http_upstream_finalize_request(r, u, 0); |
| 1543 return; | |
| 1544 } | |
| 1545 | |
| 1546 p->temp_file->file.fd = NGX_INVALID_FILE; | |
| 583 | 1547 p->temp_file->file.log = c->log; |
| 479 | 1548 p->temp_file->path = u->conf->temp_path; |
| 1549 p->temp_file->pool = r->pool; | |
| 577 | 1550 |
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1551 if (u->cachable || u->store) { |
| 479 | 1552 p->temp_file->persistent = 1; |
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1553 |
| 479 | 1554 } else { |
| 667 | 1555 p->temp_file->log_level = NGX_LOG_WARN; |
| 479 | 1556 p->temp_file->warn = "an upstream response is buffered " |
| 1557 "to a temporary file"; | |
| 1558 } | |
| 1559 | |
| 1560 p->max_temp_file_size = u->conf->max_temp_file_size; | |
| 1561 p->temp_file_write_size = u->conf->temp_file_write_size; | |
| 1562 | |
| 501 | 1563 p->preread_bufs = ngx_alloc_chain_link(r->pool); |
| 1564 if (p->preread_bufs == NULL) { | |
| 479 | 1565 ngx_http_upstream_finalize_request(r, u, 0); |
| 1566 return; | |
| 1567 } | |
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1568 |
| 581 | 1569 p->preread_bufs->buf = &u->buffer; |
| 479 | 1570 p->preread_bufs->next = NULL; |
| 581 | 1571 u->buffer.recycled = 1; |
| 1572 | |
| 1573 p->preread_size = u->buffer.last - u->buffer.pos; | |
| 479 | 1574 |
| 1575 if (u->cachable) { | |
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1576 |
| 479 | 1577 p->buf_to_file = ngx_calloc_buf(r->pool); |
| 1578 if (p->buf_to_file == NULL) { | |
| 1579 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1580 return; | |
| 1581 } | |
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1582 |
| 581 | 1583 p->buf_to_file->pos = u->buffer.start; |
| 1584 p->buf_to_file->last = u->buffer.pos; | |
| 479 | 1585 p->buf_to_file->temporary = 1; |
| 1586 } | |
| 1587 | |
| 1588 if (ngx_event_flags & NGX_USE_AIO_EVENT) { | |
| 1589 /* the posted aio operation may currupt a shadow buffer */ | |
| 1590 p->single_buf = 1; | |
| 1591 } | |
| 1592 | |
| 1593 /* TODO: p->free_bufs = 0 if use ngx_create_chain_of_bufs() */ | |
| 1594 p->free_bufs = 1; | |
| 1595 | |
| 1596 /* | |
| 581 | 1597 * event_pipe would do u->buffer.last += p->preread_size |
| 479 | 1598 * as though these bytes were read |
| 1599 */ | |
| 581 | 1600 u->buffer.last = u->buffer.pos; |
| 479 | 1601 |
| 1602 if (u->conf->cyclic_temp_file) { | |
| 1603 | |
| 1604 /* | |
| 1605 * we need to disable the use of sendfile() if we use cyclic temp file | |
| 1606 * because the writing a new data may interfere with sendfile() | |
| 1607 * that uses the same kernel file pages (at least on FreeBSD) | |
| 1608 */ | |
| 1609 | |
| 1610 p->cyclic_temp_file = 1; | |
| 583 | 1611 c->sendfile = 0; |
| 479 | 1612 |
| 1613 } else { | |
| 1614 p->cyclic_temp_file = 0; | |
| 1615 } | |
| 1616 | |
| 1617 p->read_timeout = u->conf->read_timeout; | |
| 1618 p->send_timeout = clcf->send_timeout; | |
| 1619 p->send_lowat = clcf->send_lowat; | |
| 1620 | |
| 509 | 1621 u->peer.connection->read->handler = ngx_http_upstream_process_body; |
| 1622 r->write_event_handler = ngx_http_upstream_process_downstream; | |
| 479 | 1623 |
| 1624 ngx_http_upstream_process_body(u->peer.connection->read); | |
| 1625 } | |
| 1626 | |
| 1627 | |
| 487 | 1628 static void |
| 581 | 1629 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r) |
| 1630 { | |
| 1631 ngx_http_upstream_process_non_buffered_body(r->connection->write); | |
| 1632 } | |
| 1633 | |
| 1634 | |
| 1635 static void | |
| 1636 ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev) | |
| 1637 { | |
| 1638 size_t size; | |
| 1639 ssize_t n; | |
| 1640 ngx_buf_t *b; | |
| 583 | 1641 ngx_int_t rc; |
| 581 | 1642 ngx_uint_t do_write; |
| 884 | 1643 ngx_connection_t *c, *downstream, *upstream; |
| 581 | 1644 ngx_http_request_t *r; |
| 1645 ngx_http_upstream_t *u; | |
| 1646 ngx_http_core_loc_conf_t *clcf; | |
| 1647 | |
| 1648 c = ev->data; | |
|
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1649 r = c->data; |
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1650 u = r->upstream; |
| 581 | 1651 |
| 1652 if (ev->write) { | |
| 1653 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1654 "http upstream process non buffered downstream"); | |
| 1655 c->log->action = "sending to client"; | |
| 1656 | |
| 1657 } else { | |
| 1658 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1659 "http upstream process non buffered upstream"); | |
| 1660 c->log->action = "reading upstream"; | |
| 1661 } | |
| 1662 | |
| 1663 if (ev->timedout) { | |
| 1664 if (ev->write) { | |
| 1665 c->timedout = 1; | |
| 611 | 1666 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
| 1667 | |
| 581 | 1668 } else { |
| 611 | 1669 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
| 581 | 1670 } |
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1671 |
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1672 ngx_http_upstream_finalize_request(r, u, 0); |
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1673 return; |
| 581 | 1674 } |
| 1675 | |
| 884 | 1676 downstream = r->connection; |
| 1677 upstream = u->peer.connection; | |
| 581 | 1678 |
| 1679 b = &u->buffer; | |
| 1680 | |
| 1681 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1682 | |
| 657 | 1683 do_write = ev->write || u->length == 0; |
| 581 | 1684 |
| 1685 for ( ;; ) { | |
| 1686 | |
| 1687 if (do_write) { | |
| 1688 | |
| 1689 if (u->out_bufs || u->busy_bufs) { | |
| 583 | 1690 rc = ngx_http_output_filter(r, u->out_bufs); |
| 1691 | |
| 884 | 1692 if (downstream->destroyed) { |
| 583 | 1693 return; |
| 1694 } | |
| 1695 | |
| 1696 if (rc == NGX_ERROR) { | |
| 581 | 1697 ngx_http_upstream_finalize_request(r, u, 0); |
| 1698 return; | |
| 1699 } | |
| 1700 | |
| 1701 ngx_chain_update_chains(&u->free_bufs, &u->busy_bufs, | |
| 1702 &u->out_bufs, u->output.tag); | |
| 1703 } | |
| 1704 | |
| 1705 if (u->busy_bufs == NULL) { | |
| 1706 | |
| 1707 if (u->length == 0 | |
| 884 | 1708 || upstream->read->eof |
| 1709 || upstream->read->error) | |
| 581 | 1710 { |
| 1711 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1712 return; | |
| 1713 } | |
| 1714 | |
| 1715 b->pos = b->start; | |
| 1716 b->last = b->start; | |
| 1717 } | |
| 1718 } | |
| 1719 | |
| 1720 size = b->end - b->last; | |
| 1721 | |
| 1722 if (size > u->length) { | |
| 1723 size = u->length; | |
| 1724 } | |
| 1725 | |
| 884 | 1726 if (size && upstream->read->ready) { |
| 1727 | |
| 1728 n = upstream->recv(upstream, b->last, size); | |
| 581 | 1729 |
| 1730 if (n == NGX_AGAIN) { | |
| 1731 break; | |
| 1732 } | |
| 1733 | |
| 1734 if (n > 0) { | |
| 1735 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { | |
| 1736 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1737 return; | |
| 1738 } | |
| 1739 } | |
| 1740 | |
| 1741 do_write = 1; | |
| 1742 | |
| 1743 continue; | |
| 1744 } | |
| 1745 | |
| 1746 break; | |
| 1747 } | |
| 1748 | |
| 884 | 1749 if (downstream->data == r) { |
| 1750 if (ngx_handle_write_event(downstream->write, clcf->send_lowat) | |
| 583 | 1751 == NGX_ERROR) |
| 1752 { | |
| 1753 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1754 return; | |
| 1755 } | |
| 581 | 1756 } |
| 1757 | |
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1758 if (downstream->write->active && !downstream->write->ready) { |
| 884 | 1759 ngx_add_timer(downstream->write, clcf->send_timeout); |
| 1760 | |
| 1761 } else if (downstream->write->timer_set) { | |
| 1762 ngx_del_timer(downstream->write); | |
| 581 | 1763 } |
| 1764 | |
| 884 | 1765 if (ngx_handle_read_event(upstream->read, 0) == NGX_ERROR) { |
| 581 | 1766 ngx_http_upstream_finalize_request(r, u, 0); |
| 1767 return; | |
| 1768 } | |
| 1769 | |
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1770 if (upstream->read->active && !upstream->read->ready) { |
| 884 | 1771 ngx_add_timer(upstream->read, u->conf->read_timeout); |
| 1772 | |
| 1773 } else if (upstream->read->timer_set) { | |
| 1774 ngx_del_timer(upstream->read); | |
| 581 | 1775 } |
| 1776 } | |
| 1777 | |
| 1778 | |
| 1779 static ngx_int_t | |
| 1780 ngx_http_upstream_non_buffered_filter_init(void *data) | |
| 1781 { | |
| 1782 return NGX_OK; | |
| 1783 } | |
| 1784 | |
| 1785 | |
| 1786 static ngx_int_t | |
| 1787 ngx_http_upstream_non_buffered_filter(void *data, ssize_t bytes) | |
| 1788 { | |
| 1789 ngx_http_request_t *r = data; | |
| 1790 | |
| 1791 ngx_buf_t *b; | |
| 1792 ngx_chain_t *cl, **ll; | |
| 1793 ngx_http_upstream_t *u; | |
| 1794 | |
| 1795 u = r->upstream; | |
| 1796 | |
| 1797 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
| 1798 ll = &cl->next; | |
| 1799 } | |
| 1800 | |
| 1801 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
| 1802 if (cl == NULL) { | |
| 1803 return NGX_ERROR; | |
| 1804 } | |
| 1805 | |
| 1806 *ll = cl; | |
| 1807 | |
| 1808 cl->buf->flush = 1; | |
| 1809 cl->buf->memory = 1; | |
| 1810 | |
| 1811 b = &u->buffer; | |
| 1812 | |
| 1813 cl->buf->pos = b->last; | |
| 1814 b->last += bytes; | |
| 1815 cl->buf->last = b->last; | |
| 1816 | |
| 1817 if (u->length == NGX_MAX_SIZE_T_VALUE) { | |
| 1818 return NGX_OK; | |
| 1819 } | |
| 1820 | |
| 1821 u->length -= bytes; | |
| 1822 | |
| 1823 return NGX_OK; | |
| 1824 } | |
| 1825 | |
| 1826 | |
| 1827 static void | |
| 509 | 1828 ngx_http_upstream_process_downstream(ngx_http_request_t *r) |
| 1829 { | |
| 1830 ngx_http_upstream_process_body(r->connection->write); | |
| 1831 } | |
| 1832 | |
| 1833 | |
| 1834 static void | |
| 487 | 1835 ngx_http_upstream_process_body(ngx_event_t *ev) |
| 479 | 1836 { |
| 509 | 1837 ngx_event_pipe_t *p; |
| 583 | 1838 ngx_connection_t *c, *downstream; |
| 1098 | 1839 ngx_http_log_ctx_t *ctx; |
| 479 | 1840 ngx_http_request_t *r; |
| 1841 ngx_http_upstream_t *u; | |
| 1842 | |
| 1843 c = ev->data; | |
| 1844 r = c->data; | |
| 1845 u = r->upstream; | |
| 583 | 1846 downstream = r->connection; |
| 479 | 1847 |
| 1848 if (ev->write) { | |
| 483 | 1849 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 1850 "http upstream process downstream"); | |
| 1851 c->log->action = "sending to client"; | |
| 577 | 1852 |
| 479 | 1853 } else { |
| 483 | 1854 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 1855 "http upstream process upstream"); | |
| 1856 c->log->action = "reading upstream"; | |
| 1098 | 1857 |
| 1858 ctx = c->log->data; | |
| 1859 ctx->current_request = r; | |
| 479 | 1860 } |
| 577 | 1861 |
| 581 | 1862 p = u->pipe; |
| 479 | 1863 |
| 1864 if (ev->timedout) { | |
| 1865 if (ev->write) { | |
| 527 | 1866 if (ev->delayed) { |
| 1867 | |
| 1868 ev->timedout = 0; | |
| 1869 ev->delayed = 0; | |
| 1870 | |
| 1871 if (!ev->ready) { | |
| 1872 ngx_add_timer(ev, p->send_timeout); | |
| 1873 | |
| 1874 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) | |
| 1875 { | |
| 1876 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1877 return; | |
| 1878 } | |
| 1879 | |
| 1880 return; | |
| 1881 } | |
| 1882 | |
| 1883 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { | |
| 583 | 1884 |
| 1885 if (downstream->destroyed) { | |
| 1886 return; | |
| 1887 } | |
| 1888 | |
| 527 | 1889 ngx_http_upstream_finalize_request(r, u, 0); |
| 1890 return; | |
| 1891 } | |
| 1892 | |
| 1893 } else { | |
| 1894 p->downstream_error = 1; | |
| 577 | 1895 c->timedout = 1; |
| 611 | 1896 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
| 527 | 1897 } |
| 479 | 1898 |
| 1899 } else { | |
| 577 | 1900 p->upstream_error = 1; |
| 611 | 1901 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
| 479 | 1902 } |
| 1903 | |
| 1904 } else { | |
| 527 | 1905 if (ev->write && ev->delayed) { |
| 1906 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1907 "http downstream delayed"); | |
| 1908 | |
| 1909 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) { | |
| 1910 return; | |
| 1911 } | |
| 1912 | |
| 1913 return; | |
| 1914 } | |
| 1915 | |
| 479 | 1916 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { |
| 583 | 1917 |
| 1918 if (downstream->destroyed) { | |
| 1919 return; | |
| 1920 } | |
| 1921 | |
| 479 | 1922 ngx_http_upstream_finalize_request(r, u, 0); |
| 1923 return; | |
| 1924 } | |
| 1925 } | |
| 577 | 1926 |
| 479 | 1927 if (u->peer.connection) { |
| 1928 | |
|
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1929 if (u->store) { |
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1930 |
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1931 if (p->upstream_eof && u->headers_in.status_n == NGX_HTTP_OK) { |
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1932 |
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1933 ngx_http_upstream_store(r, u); |
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1934 |
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1935 } else if ((p->upstream_error |
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1936 || (p->upstream_eof |
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1937 && u->headers_in.status_n != NGX_HTTP_OK)) |
|
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1938 && u->pipe->temp_file->file.fd != NGX_INVALID_FILE) |
|
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1939 { |
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1940 if (ngx_delete_file(u->pipe->temp_file->file.name.data) |
|
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1941 == NGX_FILE_ERROR) |
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1942 { |
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1943 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
|
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1944 ngx_delete_file_n " \"%s\" failed", |
|
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1945 u->pipe->temp_file->file.name.data); |
|
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1946 } |
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1947 } |
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1948 } |
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1949 |
| 479 | 1950 #if (NGX_HTTP_FILE_CACHE) |
| 1951 | |
| 1952 if (p->upstream_done && u->cachable) { | |
| 1953 if (ngx_http_cache_update(r) == NGX_ERROR) { | |
| 1954 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 1955 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1956 return; | |
| 1957 } | |
| 1958 | |
| 1959 } else if (p->upstream_eof && u->cachable) { | |
| 1960 | |
| 1961 /* TODO: check length & update cache */ | |
| 1962 | |
| 1963 if (ngx_http_cache_update(r) == NGX_ERROR) { | |
| 1964 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 1965 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1966 return; | |
| 1967 } | |
| 1968 } | |
| 1969 | |
| 1970 #endif | |
| 1971 | |
| 1972 if (p->upstream_done || p->upstream_eof || p->upstream_error) { | |
| 483 | 1973 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 1974 "http upstream exit: %p", p->out); | |
| 479 | 1975 #if 0 |
| 1976 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 1977 #endif | |
| 1978 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1979 return; | |
| 1980 } | |
| 1981 } | |
| 1982 | |
| 1983 if (p->downstream_error) { | |
| 483 | 1984 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 1985 "http upstream downstream error"); | |
| 479 | 1986 |
| 1987 if (!u->cachable && u->peer.connection) { | |
| 1988 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1989 } | |
| 1990 } | |
| 1991 } | |
| 1992 | |
| 1993 | |
| 487 | 1994 static void |
|
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1995 ngx_http_upstream_store(ngx_http_request_t *r, ngx_http_upstream_t *u) |
|
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1996 { |
|
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1997 char *failed; |
|
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1998 u_char *name; |
|
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1999 size_t root; |
|
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2000 time_t lm; |
|
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2001 ngx_err_t err; |
|
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2002 ngx_str_t *temp, path, *last_modified; |
|
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|
2003 ngx_temp_file_t *tf; |
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|
2004 |
|
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|
2005 if (u->pipe->temp_file->file.fd == NGX_INVALID_FILE) { |
|
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|
2006 |
|
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|
2007 /* create file for empty 200 response */ |
|
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|
2008 |
|
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|
2009 tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
|
13a4ce6e7f1e
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|
2010 if (tf == NULL) { |
|
13a4ce6e7f1e
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|
2011 return; |
|
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|
2012 } |
|
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|
2013 |
|
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|
2014 tf->file.fd = NGX_INVALID_FILE; |
|
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|
2015 tf->file.log = r->connection->log; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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|
2016 tf->path = u->conf->temp_path; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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|
2017 tf->pool = r->pool; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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|
2018 tf->persistent = 1; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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|
2019 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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diff
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|
2020 if (ngx_create_temp_file(&tf->file, tf->path, tf->pool, |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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diff
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|
2021 tf->persistent, tf->clean, tf->access) |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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|
2022 != NGX_OK) |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2023 { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2024 return; |
|
13a4ce6e7f1e
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|
2025 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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|
2026 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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1284
diff
changeset
|
2027 u->pipe->temp_file = tf; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2028 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2029 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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1284
diff
changeset
|
2030 temp = &u->pipe->temp_file->file.name; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2031 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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|
2032 #if !(NGX_WIN32) |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2033 |
|
1295
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
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1291
diff
changeset
|
2034 if (ngx_change_file_access(temp->data, u->conf->store_access) |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
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1291
diff
changeset
|
2035 == NGX_FILE_ERROR) |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
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1291
diff
changeset
|
2036 { |
|
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
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changeset
|
2037 err = ngx_errno; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2038 failed = ngx_change_file_access_n; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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1284
diff
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|
2039 name = temp->data; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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1284
diff
changeset
|
2040 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2041 goto failed; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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1284
diff
changeset
|
2042 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2043 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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changeset
|
2044 #endif |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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|
2045 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2046 if (r->upstream->headers_in.last_modified) { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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1284
diff
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|
2047 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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changeset
|
2048 last_modified = &r->upstream->headers_in.last_modified->value; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2049 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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1284
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|
2050 lm = ngx_http_parse_time(last_modified->data, last_modified->len); |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2051 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2052 if (lm != NGX_ERROR) { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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1284
diff
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|
2053 if (ngx_set_file_time(temp->data, u->pipe->temp_file->file.fd, lm) |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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|
2054 != NGX_OK) |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2055 { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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changeset
|
2056 err = ngx_errno; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2057 failed = ngx_set_file_time_n; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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|
2058 name = temp->data; |
|
1295
5383f5232364
proxy_store and fastcgi_store were changed,
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diff
changeset
|
2059 |
|
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2060 goto failed; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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1284
diff
changeset
|
2061 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2062 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2063 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2064 |
|
1295
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2065 if (u->conf->store_lengths == NULL) { |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2066 |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2067 ngx_http_map_uri_to_path(r, &path, &root, 0); |
|
5383f5232364
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1291
diff
changeset
|
2068 |
|
5383f5232364
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
2069 } else { |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
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|
2070 if (ngx_http_script_run(r, &path, u->conf->store_lengths->elts, 0, |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
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1291
diff
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|
2071 u->conf->store_values->elts) |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
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1291
diff
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|
2072 == NULL) |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2073 { |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2074 return; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
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|
2075 } |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
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|
2076 } |
|
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2077 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2078 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2079 "upstream stores \"%s\" to \"%s\"", temp->data, path.data); |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2080 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
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|
2081 failed = ngx_rename_file_n; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
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|
2082 name = path.data; |
|
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proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2083 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
2084 if (ngx_rename_file(temp->data, path.data) != NGX_FILE_ERROR) { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2085 return; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2086 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2087 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2088 err = ngx_errno; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2089 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2090 if (err == NGX_ENOENT) { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2091 |
|
1295
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2092 err = ngx_create_full_path(path.data, |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
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|
2093 ngx_dir_access(u->conf->store_access)); |
|
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2094 if (err == 0) { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2095 if (ngx_rename_file(temp->data, path.data) != NGX_FILE_ERROR) { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2096 return; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2097 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2098 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
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|
2099 err = ngx_errno; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2100 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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parents:
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|
2101 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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parents:
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diff
changeset
|
2102 |
|
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proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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|
2103 #if (NGX_WIN32) |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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|
2104 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2105 if (err == NGX_EEXIST) { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
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|
2106 if (ngx_win32_rename_file(temp, &path, r->pool) != NGX_ERROR) { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
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|
2107 |
|
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proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2108 if (ngx_rename_file(temp->data, path.data) != NGX_FILE_ERROR) { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2109 return; |
|
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proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2110 } |
|
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proxy_store and fastcgi_store
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|
2111 } |
|
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proxy_store and fastcgi_store
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|
2112 |
|
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Igor Sysoev <igor@sysoev.ru>
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|
2113 err = ngx_errno; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2114 } |
|
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proxy_store and fastcgi_store
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|
2115 |
|
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|
2116 #endif |
|
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|
2117 |
|
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Igor Sysoev <igor@sysoev.ru>
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|
2118 failed: |
|
13a4ce6e7f1e
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Igor Sysoev <igor@sysoev.ru>
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|
2119 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
2120 if (ngx_delete_file(temp->data) == NGX_FILE_ERROR) { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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|
2121 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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|
2122 ngx_delete_file_n " \"%s\" failed", |
|
13a4ce6e7f1e
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|
2123 temp->data); |
|
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|
2124 } |
|
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|
2125 |
|
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Igor Sysoev <igor@sysoev.ru>
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|
2126 ngx_log_error(NGX_LOG_CRIT, r->connection->log, err, |
|
13a4ce6e7f1e
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Igor Sysoev <igor@sysoev.ru>
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|
2127 "%s \"%s\" failed", failed, name); |
|
13a4ce6e7f1e
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Igor Sysoev <igor@sysoev.ru>
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|
2128 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2129 |
|
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|
2130 |
|
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|
2131 static void |
| 487 | 2132 ngx_http_upstream_dummy_handler(ngx_event_t *wev) |
| 479 | 2133 { |
| 2134 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
| 2135 "http upstream dummy handler"); | |
| 2136 } | |
| 2137 | |
| 2138 | |
| 487 | 2139 static void |
| 2140 ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u, | |
| 2141 ngx_uint_t ft_type) | |
| 479 | 2142 { |
| 884 | 2143 ngx_uint_t status, state; |
| 479 | 2144 |
| 2145 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 884 | 2146 "http next upstream, %xi", ft_type); |
| 479 | 2147 |
| 2148 #if 0 | |
| 2149 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2150 #endif | |
| 2151 | |
| 525 | 2152 if (ft_type == NGX_HTTP_UPSTREAM_FT_HTTP_404) { |
| 884 | 2153 state = NGX_PEER_NEXT; |
| 525 | 2154 } else { |
| 884 | 2155 state = NGX_PEER_FAILED; |
| 479 | 2156 } |
| 525 | 2157 |
| 1378 | 2158 if (ft_type != NGX_HTTP_UPSTREAM_FT_NOLIVE) { |
| 2159 u->peer.free(&u->peer, u->peer.data, state); | |
| 2160 } | |
| 525 | 2161 |
| 479 | 2162 if (ft_type == NGX_HTTP_UPSTREAM_FT_TIMEOUT) { |
| 2163 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ETIMEDOUT, | |
| 2164 "upstream timed out"); | |
| 2165 } | |
| 577 | 2166 |
| 479 | 2167 if (u->peer.cached && ft_type == NGX_HTTP_UPSTREAM_FT_ERROR) { |
| 2168 status = 0; | |
| 2169 | |
| 2170 } else { | |
| 2171 switch(ft_type) { | |
| 2172 | |
| 2173 case NGX_HTTP_UPSTREAM_FT_TIMEOUT: | |
| 2174 status = NGX_HTTP_GATEWAY_TIME_OUT; | |
| 2175 break; | |
| 2176 | |
| 2177 case NGX_HTTP_UPSTREAM_FT_HTTP_500: | |
| 2178 status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 2179 break; | |
| 2180 | |
| 2181 case NGX_HTTP_UPSTREAM_FT_HTTP_404: | |
| 2182 status = NGX_HTTP_NOT_FOUND; | |
| 2183 break; | |
| 2184 | |
| 2185 /* | |
| 2186 * NGX_HTTP_UPSTREAM_FT_BUSY_LOCK and NGX_HTTP_UPSTREAM_FT_MAX_WAITING | |
| 2187 * never reach here | |
| 2188 */ | |
| 2189 | |
| 2190 default: | |
| 2191 status = NGX_HTTP_BAD_GATEWAY; | |
| 2192 } | |
| 2193 } | |
| 2194 | |
| 583 | 2195 if (r->connection->error) { |
| 479 | 2196 ngx_http_upstream_finalize_request(r, u, |
| 2197 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 2198 return; | |
| 2199 } | |
| 2200 | |
| 2201 if (status) { | |
| 2202 u->state->status = status; | |
| 2203 | |
| 525 | 2204 if (u->peer.tries == 0 || !(u->conf->next_upstream & ft_type)) { |
| 479 | 2205 |
| 2206 #if (NGX_HTTP_CACHE) | |
| 2207 | |
| 2208 if (u->stale && (u->conf->use_stale & ft_type)) { | |
| 2209 ngx_http_upstream_finalize_request(r, u, | |
| 525 | 2210 ngx_http_send_cached_response(r)); |
| 479 | 2211 return; |
| 2212 } | |
| 2213 | |
| 2214 #endif | |
| 2215 | |
| 2216 ngx_http_upstream_finalize_request(r, u, status); | |
| 2217 return; | |
| 2218 } | |
| 2219 } | |
| 2220 | |
| 2221 if (u->peer.connection) { | |
| 2222 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2223 "close http upstream connection: %d", | |
| 2224 u->peer.connection->fd); | |
| 577 | 2225 #if (NGX_HTTP_SSL) |
| 884 | 2226 |
| 577 | 2227 if (u->peer.connection->ssl) { |
| 884 | 2228 u->peer.connection->ssl->no_wait_shutdown = 1; |
| 2229 u->peer.connection->ssl->no_send_shutdown = 1; | |
| 2230 | |
| 2231 (void) ngx_ssl_shutdown(u->peer.connection); | |
| 577 | 2232 } |
| 2233 #endif | |
| 884 | 2234 |
| 479 | 2235 ngx_close_connection(u->peer.connection); |
| 2236 } | |
| 2237 | |
| 2238 #if 0 | |
| 2239 if (u->conf->busy_lock && !u->busy_locked) { | |
| 2240 ngx_http_upstream_busy_lock(p); | |
| 2241 return; | |
| 2242 } | |
| 2243 #endif | |
| 2244 | |
| 2245 ngx_http_upstream_connect(r, u); | |
| 2246 } | |
| 2247 | |
| 2248 | |
| 487 | 2249 static void |
| 569 | 2250 ngx_http_upstream_cleanup(void *data) |
| 2251 { | |
| 2252 ngx_http_request_t *r = data; | |
| 2253 | |
| 2254 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2255 "cleanup http upstream request: \"%V\"", &r->uri); | |
| 2256 | |
| 2257 ngx_http_upstream_finalize_request(r, r->upstream, NGX_DONE); | |
| 2258 } | |
| 2259 | |
| 2260 | |
| 2261 static void | |
| 487 | 2262 ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
| 2263 ngx_http_upstream_t *u, ngx_int_t rc) | |
| 479 | 2264 { |
|
889
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|
2265 ngx_time_t *tp; |
| 563 | 2266 |
| 483 | 2267 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2268 "finalize http upstream request: %i", rc); | |
| 479 | 2269 |
| 569 | 2270 *u->cleanup = NULL; |
| 2271 | |
|
889
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diff
changeset
|
2272 if (u->state->response_sec) { |
| 563 | 2273 tp = ngx_timeofday(); |
|
889
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the previous fix does not actually fix overflow
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|
2274 u->state->response_sec = tp->sec - u->state->response_sec; |
|
a9a7e4b1a72b
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|
2275 u->state->response_msec = tp->msec - u->state->response_msec; |
| 563 | 2276 } |
| 2277 | |
| 479 | 2278 u->finalize_request(r, rc); |
| 2279 | |
| 884 | 2280 u->peer.free(&u->peer, u->peer.data, 0); |
| 2281 | |
| 479 | 2282 if (u->peer.connection) { |
| 884 | 2283 |
| 577 | 2284 #if (NGX_HTTP_SSL) |
| 2285 | |
| 2286 /* TODO: do not shutdown persistent connection */ | |
| 2287 | |
| 2288 if (u->peer.connection->ssl) { | |
| 884 | 2289 |
| 2290 /* | |
| 2291 * We send the "close notify" shutdown alert to the upstream only | |
| 2292 * and do not wait its "close notify" shutdown alert. | |
| 2293 * It is acceptable according to the TLS standard. | |
| 2294 */ | |
| 2295 | |
| 2296 u->peer.connection->ssl->no_wait_shutdown = 1; | |
| 2297 | |
| 2298 (void) ngx_ssl_shutdown(u->peer.connection); | |
| 577 | 2299 } |
| 2300 #endif | |
| 884 | 2301 |
| 2302 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2303 "close http upstream connection: %d", | |
| 2304 u->peer.connection->fd); | |
| 2305 | |
| 479 | 2306 ngx_close_connection(u->peer.connection); |
| 2307 } | |
| 2308 | |
| 483 | 2309 u->peer.connection = NULL; |
| 2310 | |
| 563 | 2311 if (u->header_sent && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE)) |
| 479 | 2312 { |
| 2313 rc = 0; | |
| 2314 } | |
| 2315 | |
| 581 | 2316 if (u->pipe && u->pipe->temp_file) { |
| 479 | 2317 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2318 "http upstream temp fd: %d", | |
| 581 | 2319 u->pipe->temp_file->file.fd); |
| 479 | 2320 } |
| 2321 | |
| 2322 #if 0 | |
| 2323 if (u->cache) { | |
| 2324 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 483 | 2325 "http upstream cache fd: %d", |
| 479 | 2326 u->cache->ctx.file.fd); |
| 2327 } | |
| 2328 #endif | |
| 2329 | |
| 515 | 2330 if (rc == NGX_DECLINED) { |
| 2331 return; | |
| 2332 } | |
| 2333 | |
| 483 | 2334 r->connection->log->action = "sending to client"; |
| 2335 | |
|
1259
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diff
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|
2336 if (rc == 0) { |
|
05b5236c2ff5
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diff
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|
2337 if (r == r->main) { |
|
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diff
changeset
|
2338 if (!r->post_action) { |
|
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parents:
1245
diff
changeset
|
2339 rc = ngx_http_send_special(r, NGX_HTTP_LAST); |
|
05b5236c2ff5
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parents:
1245
diff
changeset
|
2340 } |
|
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2341 |
|
05b5236c2ff5
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parents:
1245
diff
changeset
|
2342 } else { |
|
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2343 if (r->out) { |
|
05b5236c2ff5
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Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2344 rc = NGX_AGAIN; |
|
05b5236c2ff5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2345 } |
|
05b5236c2ff5
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parents:
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diff
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|
2346 } |
| 479 | 2347 } |
| 2348 | |
| 2349 ngx_http_finalize_request(r, rc); | |
| 2350 } | |
| 2351 | |
| 2352 | |
| 509 | 2353 static ngx_int_t |
| 2354 ngx_http_upstream_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2355 ngx_uint_t offset) | |
| 577 | 2356 { |
| 509 | 2357 ngx_table_elt_t **ph; |
| 577 | 2358 |
| 509 | 2359 ph = (ngx_table_elt_t **) ((char *) &r->upstream->headers_in + offset); |
| 2360 | |
| 2361 if (*ph == NULL) { | |
| 2362 *ph = h; | |
| 2363 } | |
| 2364 | |
| 2365 return NGX_OK; | |
| 2366 } | |
| 2367 | |
| 2368 | |
| 2369 static ngx_int_t | |
| 2370 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
| 2371 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2372 { | |
| 2373 ngx_array_t *pa; | |
| 2374 ngx_table_elt_t **ph; | |
| 2375 | |
| 2376 pa = (ngx_array_t *) ((char *) &r->upstream->headers_in + offset); | |
| 2377 | |
| 2378 if (pa->elts == NULL) { | |
| 2379 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
| 2380 { | |
| 2381 return NGX_ERROR; | |
| 2382 } | |
| 2383 } | |
| 2384 | |
| 2385 ph = ngx_array_push(pa); | |
| 2386 if (ph == NULL) { | |
| 2387 return NGX_ERROR; | |
| 2388 } | |
| 2389 | |
| 2390 *ph = h; | |
| 2391 | |
| 2392 return NGX_OK; | |
| 2393 } | |
| 2394 | |
| 2395 | |
| 2396 static ngx_int_t | |
| 2397 ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2398 ngx_uint_t offset) | |
| 2399 { | |
| 2400 return NGX_OK; | |
| 2401 } | |
| 2402 | |
| 2403 | |
| 2404 static ngx_int_t | |
| 527 | 2405 ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2406 ngx_uint_t offset) | |
| 577 | 2407 { |
| 527 | 2408 ngx_int_t n; |
| 2409 | |
| 2410 r->upstream->headers_in.x_accel_limit_rate = h; | |
| 2411 | |
| 2412 n = ngx_atoi(h->value.data, h->value.len); | |
| 2413 | |
| 2414 if (n != NGX_ERROR) { | |
| 2415 r->limit_rate = (size_t) n; | |
| 2416 } | |
| 2417 | |
| 2418 return NGX_OK; | |
| 2419 } | |
| 2420 | |
| 2421 | |
| 2422 static ngx_int_t | |
| 649 | 2423 ngx_http_upstream_process_buffering(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2424 ngx_uint_t offset) | |
| 2425 { | |
| 2426 u_char c0, c1, c2; | |
| 2427 | |
| 2428 if (r->upstream->conf->change_buffering) { | |
| 2429 | |
| 2430 if (h->value.len == 2) { | |
| 2431 c0 = ngx_tolower(h->value.data[0]); | |
| 2432 c1 = ngx_tolower(h->value.data[1]); | |
| 2433 | |
| 2434 if (c0 == 'n' && c1 == 'o') { | |
| 2435 r->upstream->buffering = 0; | |
| 2436 } | |
| 2437 | |
| 2438 } else if (h->value.len == 3) { | |
| 2439 c0 = ngx_tolower(h->value.data[0]); | |
| 2440 c1 = ngx_tolower(h->value.data[1]); | |
| 2441 c2 = ngx_tolower(h->value.data[2]); | |
| 2442 | |
| 2443 if (c0 == 'y' && c1 == 'e' && c2 == 's') { | |
| 2444 r->upstream->buffering = 1; | |
| 2445 } | |
| 2446 } | |
| 2447 } | |
| 2448 | |
| 2449 return NGX_OK; | |
| 2450 } | |
| 2451 | |
| 2452 | |
| 2453 static ngx_int_t | |
| 657 | 2454 ngx_http_upstream_process_charset(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2455 ngx_uint_t offset) | |
| 2456 { | |
| 2457 r->headers_out.override_charset = &h->value; | |
| 2458 | |
| 2459 return NGX_OK; | |
| 2460 } | |
| 2461 | |
| 2462 | |
| 2463 static ngx_int_t | |
| 509 | 2464 ngx_http_upstream_copy_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2465 ngx_uint_t offset) | |
| 2466 { | |
| 573 | 2467 ngx_table_elt_t *ho, **ph; |
| 509 | 2468 |
| 2469 ho = ngx_list_push(&r->headers_out.headers); | |
| 2470 if (ho == NULL) { | |
| 2471 return NGX_ERROR; | |
| 2472 } | |
| 2473 | |
| 2474 *ho = *h; | |
| 2475 | |
| 573 | 2476 if (offset) { |
| 2477 ph = (ngx_table_elt_t **) ((char *) &r->headers_out + offset); | |
| 2478 *ph = ho; | |
| 2479 } | |
| 2480 | |
| 509 | 2481 return NGX_OK; |
| 2482 } | |
| 2483 | |
| 2484 | |
| 2485 static ngx_int_t | |
| 2486 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
| 2487 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2488 { | |
| 2489 ngx_array_t *pa; | |
| 2490 ngx_table_elt_t *ho, **ph; | |
| 2491 | |
| 2492 pa = (ngx_array_t *) ((char *) &r->headers_out + offset); | |
| 2493 | |
| 2494 if (pa->elts == NULL) { | |
| 2495 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
| 2496 { | |
| 2497 return NGX_ERROR; | |
| 2498 } | |
| 2499 } | |
| 2500 | |
| 2501 ph = ngx_array_push(pa); | |
| 2502 if (ph == NULL) { | |
| 2503 return NGX_ERROR; | |
| 2504 } | |
| 2505 | |
| 2506 ho = ngx_list_push(&r->headers_out.headers); | |
| 2507 if (ho == NULL) { | |
| 2508 return NGX_ERROR; | |
| 2509 } | |
| 2510 | |
| 2511 *ho = *h; | |
| 2512 *ph = ho; | |
| 2513 | |
| 2514 return NGX_OK; | |
| 2515 } | |
| 2516 | |
| 2517 | |
| 2518 static ngx_int_t | |
| 2519 ngx_http_upstream_copy_content_type(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2520 ngx_uint_t offset) | |
| 2521 { | |
| 657 | 2522 u_char *p, *last; |
| 2523 | |
| 2524 r->headers_out.content_type_len = h->value.len; | |
| 509 | 2525 r->headers_out.content_type = h->value; |
| 2526 | |
| 657 | 2527 for (p = h->value.data; *p; p++) { |
| 2528 | |
| 2529 if (*p != ';') { | |
| 2530 continue; | |
| 2531 } | |
| 2532 | |
| 2533 last = p; | |
| 2534 | |
| 2535 while (*++p == ' ') { /* void */ } | |
| 2536 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
1098
diff
changeset
|
2537 if (ngx_strncasecmp(p, (u_char *) "charset=", 8) != 0) { |
| 657 | 2538 continue; |
| 2539 } | |
| 2540 | |
| 2541 p += 8; | |
| 2542 | |
| 2543 r->headers_out.content_type_len = last - h->value.data; | |
| 2544 | |
| 2545 r->headers_out.charset.len = h->value.data + h->value.len - p; | |
| 2546 r->headers_out.charset.data = p; | |
|
1143
c6c42497106c
fix segfault if upstream sends trailing ";" in "charset="
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parents:
1109
diff
changeset
|
2547 |
|
c6c42497106c
fix segfault if upstream sends trailing ";" in "charset="
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parents:
1109
diff
changeset
|
2548 return NGX_OK; |
| 657 | 2549 } |
| 2550 | |
| 509 | 2551 return NGX_OK; |
| 2552 } | |
| 2553 | |
| 2554 | |
| 2555 static ngx_int_t | |
| 2556 ngx_http_upstream_copy_content_length(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2557 ngx_uint_t offset) | |
| 2558 { | |
| 2559 ngx_table_elt_t *ho; | |
| 2560 | |
| 2561 ho = ngx_list_push(&r->headers_out.headers); | |
| 2562 if (ho == NULL) { | |
| 2563 return NGX_ERROR; | |
| 2564 } | |
| 2565 | |
| 2566 *ho = *h; | |
| 2567 | |
| 2568 r->headers_out.content_length = ho; | |
| 2569 r->headers_out.content_length_n = ngx_atoof(h->value.data, h->value.len); | |
| 2570 | |
| 2571 return NGX_OK; | |
| 2572 } | |
| 2573 | |
| 2574 | |
| 2575 static ngx_int_t | |
| 2576 ngx_http_upstream_rewrite_location(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2577 ngx_uint_t offset) | |
| 2578 { | |
| 2579 ngx_int_t rc; | |
| 2580 ngx_table_elt_t *ho; | |
| 2581 | |
| 2582 ho = ngx_list_push(&r->headers_out.headers); | |
| 2583 if (ho == NULL) { | |
| 2584 return NGX_ERROR; | |
| 2585 } | |
| 2586 | |
| 2587 *ho = *h; | |
| 2588 | |
| 2589 if (r->upstream->rewrite_redirect) { | |
| 2590 rc = r->upstream->rewrite_redirect(r, ho, 0); | |
| 2591 | |
| 529 | 2592 if (rc == NGX_DECLINED) { |
| 2593 return NGX_OK; | |
| 2594 } | |
| 2595 | |
| 509 | 2596 if (rc == NGX_OK) { |
| 2597 r->headers_out.location = ho; | |
| 2598 | |
| 2599 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2600 "rewritten location: \"%V\"", &ho->value); | |
| 2601 } | |
| 2602 | |
| 2603 return rc; | |
| 2604 } | |
| 2605 | |
| 2606 /* | |
| 2607 * we do not set r->headers_out.location here to avoid the handling | |
| 2608 * the local redirects without a host name by ngx_http_header_filter() | |
| 2609 */ | |
| 2610 | |
| 2611 return NGX_OK; | |
| 2612 } | |
| 2613 | |
| 2614 | |
| 2615 static ngx_int_t | |
| 2616 ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2617 ngx_uint_t offset) | |
| 2618 { | |
| 2619 u_char *p; | |
| 2620 ngx_int_t rc; | |
| 2621 ngx_table_elt_t *ho; | |
| 2622 | |
| 2623 ho = ngx_list_push(&r->headers_out.headers); | |
| 2624 if (ho == NULL) { | |
| 2625 return NGX_ERROR; | |
| 2626 } | |
| 2627 | |
| 2628 *ho = *h; | |
| 2629 | |
| 2630 if (r->upstream->rewrite_redirect) { | |
| 2631 | |
| 2632 p = (u_char *) ngx_strstr(ho->value.data, "url="); | |
| 2633 | |
| 2634 if (p) { | |
| 2635 rc = r->upstream->rewrite_redirect(r, ho, p + 4 - ho->value.data); | |
| 2636 | |
| 2637 } else { | |
| 2638 return NGX_OK; | |
| 2639 } | |
| 2640 | |
| 529 | 2641 if (rc == NGX_DECLINED) { |
| 2642 return NGX_OK; | |
| 2643 } | |
| 2644 | |
| 509 | 2645 #if (NGX_DEBUG) |
| 2646 if (rc == NGX_OK) { | |
| 2647 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2648 "rewritten refresh: \"%V\"", &ho->value); | |
| 2649 } | |
| 2650 #endif | |
| 2651 | |
| 2652 return rc; | |
| 2653 } | |
| 2654 | |
| 2655 return NGX_OK; | |
| 2656 } | |
| 2657 | |
| 2658 | |
| 2659 #if (NGX_HTTP_GZIP) | |
| 2660 | |
| 2661 static ngx_int_t | |
| 2662 ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
| 2663 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2664 { | |
| 2665 ngx_table_elt_t *ho; | |
| 2666 | |
| 2667 ho = ngx_list_push(&r->headers_out.headers); | |
| 2668 if (ho == NULL) { | |
| 2669 return NGX_ERROR; | |
| 2670 } | |
| 2671 | |
| 2672 *ho = *h; | |
| 2673 | |
| 2674 r->headers_out.content_encoding = ho; | |
| 2675 | |
| 2676 return NGX_OK; | |
| 2677 } | |
| 2678 | |
| 2679 #endif | |
| 2680 | |
| 2681 | |
| 487 | 2682 static ngx_int_t |
| 573 | 2683 ngx_http_upstream_add_variables(ngx_conf_t *cf) |
| 479 | 2684 { |
| 880 | 2685 ngx_http_variable_t *var, *v; |
| 479 | 2686 |
| 573 | 2687 for (v = ngx_http_upstream_vars; v->name.len; v++) { |
| 2688 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
| 2689 if (var == NULL) { | |
| 2690 return NGX_ERROR; | |
| 2691 } | |
| 2692 | |
| 637 | 2693 var->get_handler = v->get_handler; |
| 573 | 2694 var->data = v->data; |
| 2695 } | |
| 2696 | |
| 479 | 2697 return NGX_OK; |
| 2698 } | |
| 509 | 2699 |
| 2700 | |
| 573 | 2701 static ngx_int_t |
| 1181 | 2702 ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
| 2703 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2704 { | |
| 2705 u_char *p; | |
| 2706 size_t len; | |
| 2707 ngx_uint_t i; | |
| 2708 ngx_http_upstream_state_t *state; | |
| 2709 | |
| 2710 v->valid = 1; | |
| 2711 v->no_cachable = 0; | |
| 2712 v->not_found = 0; | |
| 2713 | |
| 2714 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { | |
| 2715 v->not_found = 1; | |
| 2716 return NGX_OK; | |
| 2717 } | |
| 2718 | |
| 2719 len = 0; | |
| 2720 state = r->upstream_states->elts; | |
| 2721 | |
| 2722 for (i = 0; i < r->upstream_states->nelts; i++) { | |
| 2723 if (state[i].peer) { | |
| 2724 len += state[i].peer->len + 2; | |
| 2725 | |
| 2726 } else { | |
| 2727 len += 3; | |
| 2728 } | |
| 2729 } | |
| 2730 | |
| 2731 p = ngx_palloc(r->pool, len); | |
| 2732 if (p == NULL) { | |
| 2733 return NGX_ERROR; | |
| 2734 } | |
| 2735 | |
| 2736 v->data = p; | |
| 2737 | |
| 2738 i = 0; | |
| 2739 | |
| 2740 for ( ;; ) { | |
| 2741 if (state[i].peer) { | |
| 2742 p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len); | |
| 2743 } | |
| 2744 | |
| 2745 if (++i == r->upstream_states->nelts) { | |
| 2746 break; | |
| 2747 } | |
| 2748 | |
| 2749 if (state[i].peer) { | |
| 2750 *p++ = ','; | |
| 2751 *p++ = ' '; | |
| 2752 | |
| 2753 } else { | |
| 2754 *p++ = ' '; | |
| 2755 *p++ = ':'; | |
| 2756 *p++ = ' '; | |
| 2757 | |
| 2758 if (++i == r->upstream_states->nelts) { | |
| 2759 break; | |
| 2760 } | |
| 2761 | |
| 2762 continue; | |
| 2763 } | |
| 2764 } | |
| 2765 | |
| 2766 v->len = p - v->data; | |
| 2767 | |
| 2768 return NGX_OK; | |
| 2769 } | |
| 2770 | |
| 2771 | |
| 2772 static ngx_int_t | |
| 573 | 2773 ngx_http_upstream_status_variable(ngx_http_request_t *r, |
| 2774 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2775 { | |
| 2776 u_char *p; | |
| 2777 size_t len; | |
| 2778 ngx_uint_t i; | |
| 2779 ngx_http_upstream_state_t *state; | |
| 2780 | |
| 2781 v->valid = 1; | |
| 2782 v->no_cachable = 0; | |
| 2783 v->not_found = 0; | |
| 2784 | |
|
1168
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store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2785 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
| 573 | 2786 v->not_found = 1; |
| 2787 return NGX_OK; | |
| 2788 } | |
| 2789 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
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parents:
1166
diff
changeset
|
2790 len = r->upstream_states->nelts * (3 + 2); |
| 573 | 2791 |
| 2792 p = ngx_palloc(r->pool, len); | |
| 2793 if (p == NULL) { | |
| 2794 return NGX_ERROR; | |
| 2795 } | |
| 2796 | |
| 2797 v->data = p; | |
| 2798 | |
| 2799 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
|
2800 state = r->upstream_states->elts; |
| 573 | 2801 |
| 2802 for ( ;; ) { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2803 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
|
2804 p = ngx_sprintf(p, "%ui", state[i].status); |
| 573 | 2805 |
| 2806 } else { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2807 *p++ = '-'; |
| 573 | 2808 } |
| 2809 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2810 if (++i == r->upstream_states->nelts) { |
| 573 | 2811 break; |
| 2812 } | |
| 2813 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2814 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
|
2815 *p++ = ','; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2816 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2817 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2818 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2819 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2820 *p++ = ':'; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2821 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2822 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2823 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
|
2824 break; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2825 } |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2826 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2827 continue; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2828 } |
| 573 | 2829 } |
| 2830 | |
| 2831 v->len = p - v->data; | |
| 2832 | |
| 2833 return NGX_OK; | |
| 2834 } | |
| 2835 | |
| 2836 | |
| 2837 static ngx_int_t | |
| 2838 ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
| 2839 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2840 { | |
| 2841 u_char *p; | |
| 2842 size_t len; | |
| 2843 ngx_uint_t i; | |
|
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2844 ngx_msec_int_t ms; |
| 573 | 2845 ngx_http_upstream_state_t *state; |
| 2846 | |
| 2847 v->valid = 1; | |
| 2848 v->no_cachable = 0; | |
| 2849 v->not_found = 0; | |
| 2850 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2851 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
| 573 | 2852 v->not_found = 1; |
| 2853 return NGX_OK; | |
| 2854 } | |
| 2855 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2856 len = r->upstream_states->nelts * (NGX_TIME_T_LEN + 4 + 2); |
| 573 | 2857 |
| 2858 p = ngx_palloc(r->pool, len); | |
| 2859 if (p == NULL) { | |
| 2860 return NGX_ERROR; | |
| 2861 } | |
| 2862 | |
| 2863 v->data = p; | |
| 2864 | |
| 2865 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
|
2866 state = r->upstream_states->elts; |
| 573 | 2867 |
| 2868 for ( ;; ) { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2869 if (state[i].status) { |
|
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2870 ms = state[i].response_sec * 1000 + state[i].response_msec; |
|
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2871 ms = (ms >= 0) ? ms : 0; |
|
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2872 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
|
2873 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2874 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2875 *p++ = '-'; |
| 573 | 2876 } |
| 2877 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2878 if (++i == r->upstream_states->nelts) { |
| 573 | 2879 break; |
| 2880 } | |
| 2881 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2882 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
|
2883 *p++ = ','; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2884 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2885 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2886 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2887 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2888 *p++ = ':'; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2889 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2890 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2891 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
|
2892 break; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2893 } |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2894 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2895 continue; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2896 } |
| 573 | 2897 } |
| 2898 | |
| 2899 v->len = p - v->data; | |
| 2900 | |
| 2901 return NGX_OK; | |
| 2902 } | |
| 2903 | |
| 2904 | |
| 1162 | 2905 ngx_int_t |
| 2906 ngx_http_upstream_header_variable(ngx_http_request_t *r, | |
| 2907 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2908 { | |
| 2909 if (r->upstream == NULL) { | |
| 2910 v->not_found = 1; | |
| 2911 return NGX_OK; | |
| 2912 } | |
| 2913 | |
| 2914 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 2915 &r->upstream->headers_in.headers.part, | |
| 2916 sizeof("upstream_http_") - 1); | |
| 2917 } | |
| 2918 | |
| 2919 | |
| 651 | 2920 static char * |
| 2921 ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) | |
| 2922 { | |
| 884 | 2923 char *rv; |
| 2924 void *mconf; | |
| 2925 ngx_str_t *value; | |
| 2926 ngx_url_t u; | |
| 2927 ngx_uint_t m; | |
| 2928 ngx_conf_t pcf; | |
| 2929 ngx_http_module_t *module; | |
| 2930 ngx_http_conf_ctx_t *ctx, *http_ctx; | |
| 2931 ngx_http_upstream_srv_conf_t *uscf; | |
| 2932 | |
| 2933 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 2934 | |
| 2935 value = cf->args->elts; | |
| 2936 u.host = value[1]; | |
| 2937 u.no_resolve = 1; | |
| 2938 | |
| 2939 uscf = ngx_http_upstream_add(cf, &u, NGX_HTTP_UPSTREAM_CREATE | |
| 2940 |NGX_HTTP_UPSTREAM_WEIGHT | |
| 2941 |NGX_HTTP_UPSTREAM_MAX_FAILS | |
| 2942 |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT | |
| 2943 |NGX_HTTP_UPSTREAM_DOWN | |
| 2944 |NGX_HTTP_UPSTREAM_BACKUP); | |
| 2945 if (uscf == NULL) { | |
| 2946 return NGX_CONF_ERROR; | |
| 2947 } | |
| 2948 | |
| 651 | 2949 |
| 2950 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); | |
| 2951 if (ctx == NULL) { | |
| 2952 return NGX_CONF_ERROR; | |
| 2953 } | |
| 2954 | |
| 884 | 2955 http_ctx = cf->ctx; |
| 2956 ctx->main_conf = http_ctx->main_conf; | |
| 651 | 2957 |
| 2958 /* the upstream{}'s srv_conf */ | |
| 2959 | |
| 2960 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| 2961 if (ctx->srv_conf == NULL) { | |
| 2962 return NGX_CONF_ERROR; | |
| 2963 } | |
| 2964 | |
| 2965 ctx->srv_conf[ngx_http_upstream_module.ctx_index] = uscf; | |
| 2966 | |
| 884 | 2967 uscf->srv_conf = ctx->srv_conf; |
| 2968 | |
| 651 | 2969 |
| 2970 /* the upstream{}'s loc_conf */ | |
| 2971 | |
| 2972 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| 2973 if (ctx->loc_conf == NULL) { | |
| 2974 return NGX_CONF_ERROR; | |
| 2975 } | |
| 2976 | |
| 2977 for (m = 0; ngx_modules[m]; m++) { | |
| 2978 if (ngx_modules[m]->type != NGX_HTTP_MODULE) { | |
| 2979 continue; | |
| 2980 } | |
| 2981 | |
| 2982 module = ngx_modules[m]->ctx; | |
| 2983 | |
| 884 | 2984 if (module->create_srv_conf) { |
| 2985 mconf = module->create_srv_conf(cf); | |
| 2986 if (mconf == NULL) { | |
| 2987 return NGX_CONF_ERROR; | |
| 2988 } | |
| 2989 | |
| 2990 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
| 2991 } | |
| 2992 | |
| 651 | 2993 if (module->create_loc_conf) { |
| 2994 mconf = module->create_loc_conf(cf); | |
| 2995 if (mconf == NULL) { | |
| 2996 return NGX_CONF_ERROR; | |
| 2997 } | |
| 2998 | |
| 2999 ctx->loc_conf[ngx_modules[m]->ctx_index] = mconf; | |
| 3000 } | |
| 3001 } | |
| 3002 | |
| 3003 | |
| 3004 /* parse inside upstream{} */ | |
| 3005 | |
| 3006 pcf = *cf; | |
| 3007 cf->ctx = ctx; | |
| 3008 cf->cmd_type = NGX_HTTP_UPS_CONF; | |
| 3009 | |
| 3010 rv = ngx_conf_parse(cf, NULL); | |
| 3011 | |
| 3012 *cf = pcf; | |
| 3013 | |
| 3014 if (rv != NGX_CONF_OK) { | |
| 3015 return rv; | |
| 3016 } | |
| 3017 | |
| 3018 if (uscf->servers == NULL) { | |
| 3019 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3020 "no servers are inside upstream"); | |
| 3021 return NGX_CONF_ERROR; | |
| 3022 } | |
| 3023 | |
| 3024 return rv; | |
| 3025 } | |
| 3026 | |
| 3027 | |
| 3028 static char * | |
| 3029 ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 3030 { | |
| 3031 ngx_http_upstream_srv_conf_t *uscf = conf; | |
| 3032 | |
| 884 | 3033 time_t fail_timeout; |
| 3034 ngx_str_t *value, s; | |
| 3035 ngx_url_t u; | |
| 3036 ngx_int_t weight, max_fails; | |
| 3037 ngx_uint_t i; | |
| 3038 ngx_http_upstream_server_t *us; | |
| 651 | 3039 |
| 3040 if (uscf->servers == NULL) { | |
| 884 | 3041 uscf->servers = ngx_array_create(cf->pool, 4, |
| 3042 sizeof(ngx_http_upstream_server_t)); | |
| 651 | 3043 if (uscf->servers == NULL) { |
| 3044 return NGX_CONF_ERROR; | |
| 3045 } | |
| 3046 } | |
| 3047 | |
| 884 | 3048 us = ngx_array_push(uscf->servers); |
| 3049 if (us == NULL) { | |
| 651 | 3050 return NGX_CONF_ERROR; |
| 3051 } | |
| 3052 | |
| 884 | 3053 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); |
| 3054 | |
| 651 | 3055 value = cf->args->elts; |
| 3056 | |
| 3057 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 3058 | |
| 3059 u.url = value[1]; | |
| 906 | 3060 u.default_port = 80; |
| 651 | 3061 |
| 3062 if (ngx_parse_url(cf, &u) != NGX_OK) { | |
| 3063 if (u.err) { | |
| 3064 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3065 "%s in upstream \"%V\"", u.err, &u.url); | |
| 3066 } | |
| 3067 | |
| 3068 return NGX_CONF_ERROR; | |
| 3069 } | |
| 3070 | |
| 663 | 3071 weight = 1; |
| 884 | 3072 max_fails = 1; |
| 3073 fail_timeout = 10; | |
| 3074 | |
| 3075 for (i = 2; i < cf->args->nelts; i++) { | |
| 3076 | |
| 3077 if (ngx_strncmp(value[i].data, "weight=", 7) == 0) { | |
| 3078 | |
| 3079 if (!(uscf->flags & NGX_HTTP_UPSTREAM_WEIGHT)) { | |
| 3080 goto invalid; | |
| 3081 } | |
| 3082 | |
| 3083 weight = ngx_atoi(&value[i].data[7], value[i].len - 7); | |
| 663 | 3084 |
| 3085 if (weight == NGX_ERROR || weight == 0) { | |
| 3086 goto invalid; | |
| 3087 } | |
| 3088 | |
| 884 | 3089 continue; |
| 3090 } | |
| 3091 | |
| 3092 if (ngx_strncmp(value[i].data, "max_fails=", 10) == 0) { | |
| 3093 | |
| 3094 if (!(uscf->flags & NGX_HTTP_UPSTREAM_MAX_FAILS)) { | |
| 3095 goto invalid; | |
| 3096 } | |
| 3097 | |
| 3098 max_fails = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
| 3099 | |
| 3100 if (max_fails == NGX_ERROR) { | |
| 3101 goto invalid; | |
| 3102 } | |
| 3103 | |
| 3104 continue; | |
| 663 | 3105 } |
| 884 | 3106 |
| 3107 if (ngx_strncmp(value[i].data, "fail_timeout=", 13) == 0) { | |
| 3108 | |
| 3109 if (!(uscf->flags & NGX_HTTP_UPSTREAM_FAIL_TIMEOUT)) { | |
| 3110 goto invalid; | |
| 3111 } | |
| 3112 | |
| 3113 s.len = value[i].len - 13; | |
| 3114 s.data = &value[i].data[13]; | |
| 3115 | |
| 3116 fail_timeout = ngx_parse_time(&s, 1); | |
| 3117 | |
| 3118 if (fail_timeout < 0) { | |
| 3119 goto invalid; | |
| 3120 } | |
| 3121 | |
| 3122 continue; | |
| 3123 } | |
| 3124 | |
| 1378 | 3125 if (ngx_strncmp(value[i].data, "backup", 6) == 0) { |
| 3126 | |
| 3127 if (!(uscf->flags & NGX_HTTP_UPSTREAM_BACKUP)) { | |
| 3128 goto invalid; | |
| 3129 } | |
| 3130 | |
| 3131 us->backup = 1; | |
| 3132 | |
| 3133 continue; | |
| 3134 } | |
| 3135 | |
| 884 | 3136 if (ngx_strncmp(value[i].data, "down", 4) == 0) { |
| 3137 | |
| 3138 if (!(uscf->flags & NGX_HTTP_UPSTREAM_DOWN)) { | |
| 3139 goto invalid; | |
| 3140 } | |
| 3141 | |
| 3142 us->down = 1; | |
| 3143 | |
| 3144 continue; | |
| 3145 } | |
| 3146 | |
| 3147 goto invalid; | |
| 663 | 3148 } |
| 3149 | |
| 884 | 3150 us->addrs = u.addrs; |
| 3151 us->naddrs = u.naddrs; | |
| 3152 us->weight = weight; | |
| 3153 us->max_fails = max_fails; | |
| 3154 us->fail_timeout = fail_timeout; | |
| 651 | 3155 |
| 3156 return NGX_CONF_OK; | |
| 663 | 3157 |
| 3158 invalid: | |
| 3159 | |
| 884 | 3160 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 3161 "invalid parameter \"%V\"", &value[i]); | |
| 663 | 3162 |
| 3163 return NGX_CONF_ERROR; | |
| 651 | 3164 } |
| 3165 | |
| 3166 | |
| 3167 ngx_http_upstream_srv_conf_t * | |
| 884 | 3168 ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags) |
| 651 | 3169 { |
| 3170 ngx_uint_t i; | |
| 884 | 3171 ngx_http_upstream_server_t *us; |
| 651 | 3172 ngx_http_upstream_srv_conf_t *uscf, **uscfp; |
| 3173 ngx_http_upstream_main_conf_t *umcf; | |
| 3174 | |
| 884 | 3175 if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) { |
| 3176 | |
| 651 | 3177 if (ngx_parse_url(cf, u) != NGX_OK) { |
| 3178 if (u->err) { | |
| 3179 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3180 "%s in upstream \"%V\"", u->err, &u->url); | |
| 3181 } | |
| 3182 | |
| 3183 return NULL; | |
| 3184 } | |
| 3185 } | |
| 3186 | |
| 3187 umcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_upstream_module); | |
| 3188 | |
| 3189 uscfp = umcf->upstreams.elts; | |
| 3190 | |
| 3191 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 906 | 3192 |
| 3193 if (uscfp[i]->host.len != u->host.len | |
| 884 | 3194 || ngx_strncasecmp(uscfp[i]->host.data, u->host.data, u->host.len) |
| 3195 != 0) | |
| 3196 { | |
| 651 | 3197 continue; |
| 3198 } | |
| 3199 | |
| 884 | 3200 if ((flags & NGX_HTTP_UPSTREAM_CREATE) |
| 3201 && (uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE)) | |
| 651 | 3202 { |
| 884 | 3203 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 3204 "duplicate upstream \"%V\"", &u->host); | |
| 3205 return NULL; | |
| 651 | 3206 } |
| 884 | 3207 |
| 906 | 3208 if ((uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE) && u->port) { |
| 884 | 3209 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
| 906 | 3210 "upstream \"%V\" may not have port %d", |
| 3211 &u->host, u->port); | |
| 3212 return NULL; | |
| 3213 } | |
| 3214 | |
| 3215 if ((flags & NGX_HTTP_UPSTREAM_CREATE) && uscfp[i]->port) { | |
| 3216 ngx_log_error(NGX_LOG_WARN, cf->log, 0, | |
| 3217 "upstream \"%V\" may not have port %d in %s:%ui", | |
| 3218 &u->host, uscfp[i]->port, | |
| 3219 uscfp[i]->file_name.data, uscfp[i]->line); | |
| 3220 return NULL; | |
| 3221 } | |
| 3222 | |
| 3223 if (uscfp[i]->port != u->port) { | |
| 3224 continue; | |
| 884 | 3225 } |
| 3226 | |
| 1340 | 3227 if (uscfp[i]->default_port && u->default_port |
| 3228 && uscfp[i]->default_port != u->default_port) | |
| 3229 { | |
| 3230 continue; | |
| 3231 } | |
| 3232 | |
| 884 | 3233 return uscfp[i]; |
| 651 | 3234 } |
| 3235 | |
| 3236 uscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_srv_conf_t)); | |
| 3237 if (uscf == NULL) { | |
| 3238 return NULL; | |
| 3239 } | |
| 3240 | |
| 884 | 3241 uscf->flags = flags; |
| 651 | 3242 uscf->host = u->host; |
| 3243 uscf->file_name = cf->conf_file->file.name; | |
| 3244 uscf->line = cf->conf_file->line; | |
| 906 | 3245 uscf->port = u->port; |
| 3246 uscf->default_port = u->default_port; | |
| 884 | 3247 |
| 3248 if (u->naddrs == 1) { | |
| 3249 uscf->servers = ngx_array_create(cf->pool, 1, | |
| 3250 sizeof(ngx_http_upstream_server_t)); | |
| 3251 if (uscf->servers == NULL) { | |
| 3252 return NGX_CONF_ERROR; | |
| 3253 } | |
| 3254 | |
| 3255 us = ngx_array_push(uscf->servers); | |
| 3256 if (us == NULL) { | |
| 3257 return NGX_CONF_ERROR; | |
| 3258 } | |
| 3259 | |
| 3260 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); | |
| 3261 | |
| 3262 us->addrs = u->addrs; | |
| 3263 us->naddrs = u->naddrs; | |
| 3264 } | |
| 651 | 3265 |
| 3266 uscfp = ngx_array_push(&umcf->upstreams); | |
| 3267 if (uscfp == NULL) { | |
| 3268 return NULL; | |
| 3269 } | |
| 3270 | |
| 3271 *uscfp = uscf; | |
| 3272 | |
| 3273 return uscf; | |
| 3274 } | |
| 3275 | |
| 3276 | |
| 509 | 3277 static void * |
| 3278 ngx_http_upstream_create_main_conf(ngx_conf_t *cf) | |
| 3279 { | |
| 3280 ngx_http_upstream_main_conf_t *umcf; | |
| 3281 | |
| 3282 umcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_main_conf_t)); | |
| 3283 if (umcf == NULL) { | |
| 3284 return NULL; | |
| 3285 } | |
| 3286 | |
| 651 | 3287 if (ngx_array_init(&umcf->upstreams, cf->pool, 4, |
| 3288 sizeof(ngx_http_upstream_srv_conf_t *)) | |
| 3289 != NGX_OK) | |
| 3290 { | |
| 3291 return NGX_CONF_ERROR; | |
| 3292 } | |
| 3293 | |
| 509 | 3294 return umcf; |
| 3295 } | |
| 3296 | |
| 3297 | |
| 3298 static char * | |
| 651 | 3299 ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf) |
| 509 | 3300 { |
| 3301 ngx_http_upstream_main_conf_t *umcf = conf; | |
| 3302 | |
| 651 | 3303 ngx_uint_t i; |
| 3304 ngx_array_t headers_in; | |
| 3305 ngx_hash_key_t *hk; | |
| 3306 ngx_hash_init_t hash; | |
| 884 | 3307 ngx_http_upstream_init_pt init; |
| 651 | 3308 ngx_http_upstream_header_t *header; |
| 3309 ngx_http_upstream_srv_conf_t **uscfp; | |
| 3310 | |
| 3311 uscfp = umcf->upstreams.elts; | |
| 3312 | |
| 3313 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 884 | 3314 |
| 3315 init = uscfp[i]->peer.init_upstream ? uscfp[i]->peer.init_upstream: | |
| 3316 ngx_http_upstream_init_round_robin; | |
| 3317 | |
| 3318 if (init(cf, uscfp[i]) != NGX_OK) { | |
| 651 | 3319 return NGX_CONF_ERROR; |
| 3320 } | |
| 3321 } | |
| 649 | 3322 |
| 663 | 3323 |
| 884 | 3324 /* upstream_headers_in_hash */ |
| 3325 | |
| 649 | 3326 if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) |
| 3327 != NGX_OK) | |
| 509 | 3328 { |
| 3329 return NGX_CONF_ERROR; | |
| 3330 } | |
| 3331 | |
| 649 | 3332 for (header = ngx_http_upstream_headers_in; header->name.len; header++) { |
| 3333 hk = ngx_array_push(&headers_in); | |
| 3334 if (hk == NULL) { | |
| 3335 return NGX_CONF_ERROR; | |
| 3336 } | |
| 3337 | |
| 3338 hk->key = header->name; | |
| 3339 hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len); | |
| 3340 hk->value = header; | |
| 3341 } | |
| 3342 | |
| 3343 hash.hash = &umcf->headers_in_hash; | |
| 3344 hash.key = ngx_hash_key_lc; | |
| 3345 hash.max_size = 512; | |
|
751
bae59a740c40
align hash bucket size to cache line
Igor Sysoev <igor@sysoev.ru>
parents:
750
diff
changeset
|
3346 hash.bucket_size = ngx_align(64, ngx_cacheline_size); |
| 649 | 3347 hash.name = "upstream_headers_in_hash"; |
| 3348 hash.pool = cf->pool; | |
| 3349 hash.temp_pool = NULL; | |
| 3350 | |
| 3351 if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) { | |
| 3352 return NGX_CONF_ERROR; | |
| 3353 } | |
| 509 | 3354 |
| 3355 return NGX_CONF_OK; | |
| 3356 } |