Mercurial > hg > nginx
annotate src/http/ngx_http_upstream.c @ 2184:274c0f3ea600
proxy_ssl_session_reuse
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Sun, 17 Aug 2008 17:47:52 +0000 |
| parents | 4a5bfd728a12 |
| children | f5a9f35e8344 |
| rev | line source |
|---|---|
| 479 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 10 | |
| 11 | |
| 1658 | 12 static void ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx); |
| 509 | 13 static void ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r); |
| 14 static void ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r); | |
| 15 static void ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
| 16 ngx_event_t *ev); | |
| 479 | 17 static void ngx_http_upstream_connect(ngx_http_request_t *r, |
| 487 | 18 ngx_http_upstream_t *u); |
| 509 | 19 static ngx_int_t ngx_http_upstream_reinit(ngx_http_request_t *r, |
| 487 | 20 ngx_http_upstream_t *u); |
| 479 | 21 static void ngx_http_upstream_send_request(ngx_http_request_t *r, |
| 487 | 22 ngx_http_upstream_t *u); |
| 479 | 23 static void ngx_http_upstream_send_request_handler(ngx_event_t *wev); |
| 24 static void ngx_http_upstream_process_header(ngx_event_t *rev); | |
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25 static ngx_int_t ngx_http_upstream_test_connect(ngx_connection_t *c); |
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26 static void ngx_http_upstream_process_body_in_memory(ngx_event_t *rev); |
| 479 | 27 static void ngx_http_upstream_send_response(ngx_http_request_t *r, |
| 487 | 28 ngx_http_upstream_t *u); |
| 581 | 29 static void |
| 30 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r); | |
| 31 static void ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev); | |
| 32 static ngx_int_t ngx_http_upstream_non_buffered_filter_init(void *data); | |
| 33 static ngx_int_t ngx_http_upstream_non_buffered_filter(void *data, | |
| 34 ssize_t bytes); | |
| 509 | 35 static void ngx_http_upstream_process_downstream(ngx_http_request_t *r); |
| 479 | 36 static void ngx_http_upstream_process_body(ngx_event_t *ev); |
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37 static void ngx_http_upstream_store(ngx_http_request_t *r, |
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38 ngx_http_upstream_t *u); |
| 479 | 39 static void ngx_http_upstream_dummy_handler(ngx_event_t *wev); |
| 40 static void ngx_http_upstream_next(ngx_http_request_t *r, | |
| 487 | 41 ngx_http_upstream_t *u, ngx_uint_t ft_type); |
| 569 | 42 static void ngx_http_upstream_cleanup(void *data); |
| 479 | 43 static void ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
| 487 | 44 ngx_http_upstream_t *u, ngx_int_t rc); |
| 479 | 45 |
| 509 | 46 static ngx_int_t ngx_http_upstream_process_header_line(ngx_http_request_t *r, |
| 47 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 48 static ngx_int_t | |
| 49 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
| 50 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 51 static ngx_int_t ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, | |
| 52 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 527 | 53 static ngx_int_t ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, |
| 54 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 649 | 55 static ngx_int_t ngx_http_upstream_process_buffering(ngx_http_request_t *r, |
| 509 | 56 ngx_table_elt_t *h, ngx_uint_t offset); |
| 657 | 57 static ngx_int_t ngx_http_upstream_process_charset(ngx_http_request_t *r, |
| 58 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 649 | 59 static ngx_int_t ngx_http_upstream_copy_header_line(ngx_http_request_t *r, |
| 509 | 60 ngx_table_elt_t *h, ngx_uint_t offset); |
| 61 static ngx_int_t | |
| 62 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
| 63 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 64 static ngx_int_t ngx_http_upstream_copy_content_type(ngx_http_request_t *r, | |
| 65 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 66 static ngx_int_t ngx_http_upstream_copy_content_length(ngx_http_request_t *r, | |
| 67 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 68 static ngx_int_t ngx_http_upstream_rewrite_location(ngx_http_request_t *r, | |
| 69 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 70 static ngx_int_t ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, | |
| 71 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 72 #if (NGX_HTTP_GZIP) | |
| 73 static ngx_int_t ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
| 74 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 75 #endif | |
| 76 | |
| 573 | 77 static ngx_int_t ngx_http_upstream_add_variables(ngx_conf_t *cf); |
| 1181 | 78 static ngx_int_t ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
| 79 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 80 static ngx_int_t ngx_http_upstream_status_variable(ngx_http_request_t *r, |
| 81 ngx_http_variable_value_t *v, uintptr_t data); | |
| 82 static ngx_int_t ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
| 83 ngx_http_variable_value_t *v, uintptr_t data); | |
| 84 | |
| 651 | 85 static char *ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy); |
| 86 static char *ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 87 void *conf); | |
| 88 | |
| 509 | 89 static void *ngx_http_upstream_create_main_conf(ngx_conf_t *cf); |
| 651 | 90 static char *ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf); |
| 509 | 91 |
| 577 | 92 #if (NGX_HTTP_SSL) |
| 591 | 93 static void ngx_http_upstream_ssl_init_connection(ngx_http_request_t *, |
| 94 ngx_http_upstream_t *u, ngx_connection_t *c); | |
| 577 | 95 static void ngx_http_upstream_ssl_handshake(ngx_connection_t *c); |
| 96 #endif | |
| 97 | |
| 509 | 98 |
| 99 ngx_http_upstream_header_t ngx_http_upstream_headers_in[] = { | |
| 100 | |
| 101 { ngx_string("Status"), | |
| 102 ngx_http_upstream_process_header_line, | |
| 103 offsetof(ngx_http_upstream_headers_in_t, status), | |
| 649 | 104 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 509 | 105 |
| 106 { ngx_string("Content-Type"), | |
| 107 ngx_http_upstream_process_header_line, | |
| 108 offsetof(ngx_http_upstream_headers_in_t, content_type), | |
| 673 | 109 ngx_http_upstream_copy_content_type, 0, 1 }, |
| 509 | 110 |
| 111 { ngx_string("Content-Length"), | |
| 112 ngx_http_upstream_process_header_line, | |
| 113 offsetof(ngx_http_upstream_headers_in_t, content_length), | |
| 515 | 114 ngx_http_upstream_copy_content_length, 0, 0 }, |
| 509 | 115 |
| 116 { ngx_string("Date"), | |
| 117 ngx_http_upstream_process_header_line, | |
| 118 offsetof(ngx_http_upstream_headers_in_t, date), | |
| 649 | 119 ngx_http_upstream_copy_header_line, |
| 120 offsetof(ngx_http_headers_out_t, date), 0 }, | |
| 509 | 121 |
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122 { ngx_string("Last-Modified"), |
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123 ngx_http_upstream_process_header_line, |
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124 offsetof(ngx_http_upstream_headers_in_t, last_modified), |
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125 ngx_http_upstream_copy_header_line, |
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126 offsetof(ngx_http_headers_out_t, last_modified), 0 }, |
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127 |
| 509 | 128 { ngx_string("Server"), |
| 129 ngx_http_upstream_process_header_line, | |
| 130 offsetof(ngx_http_upstream_headers_in_t, server), | |
| 649 | 131 ngx_http_upstream_copy_header_line, |
| 132 offsetof(ngx_http_headers_out_t, server), 0 }, | |
| 509 | 133 |
| 529 | 134 { ngx_string("WWW-Authenticate"), |
| 135 ngx_http_upstream_process_header_line, | |
| 136 offsetof(ngx_http_upstream_headers_in_t, www_authenticate), | |
| 137 ngx_http_upstream_copy_header_line, 0, 0 }, | |
| 138 | |
| 509 | 139 { ngx_string("Location"), |
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140 ngx_http_upstream_process_header_line, |
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141 offsetof(ngx_http_upstream_headers_in_t, location), |
| 515 | 142 ngx_http_upstream_rewrite_location, 0, 0 }, |
| 509 | 143 |
| 144 { ngx_string("Refresh"), | |
| 145 ngx_http_upstream_ignore_header_line, 0, | |
| 515 | 146 ngx_http_upstream_rewrite_refresh, 0, 0 }, |
| 147 | |
| 148 { ngx_string("Set-Cookie"), | |
| 149 ngx_http_upstream_ignore_header_line, 0, | |
| 531 | 150 ngx_http_upstream_copy_header_line, 0, 1 }, |
| 151 | |
| 152 { ngx_string("Content-Disposition"), | |
| 153 ngx_http_upstream_ignore_header_line, 0, | |
| 154 ngx_http_upstream_copy_header_line, 0, 1 }, | |
| 509 | 155 |
| 156 { ngx_string("Cache-Control"), | |
| 157 ngx_http_upstream_process_multi_header_lines, | |
| 158 offsetof(ngx_http_upstream_headers_in_t, cache_control), | |
| 159 ngx_http_upstream_copy_multi_header_lines, | |
| 515 | 160 offsetof(ngx_http_headers_out_t, cache_control), 1 }, |
| 509 | 161 |
| 573 | 162 { ngx_string("Expires"), |
| 163 ngx_http_upstream_process_header_line, | |
| 164 offsetof(ngx_http_upstream_headers_in_t, expires), | |
| 165 ngx_http_upstream_copy_header_line, | |
| 166 offsetof(ngx_http_headers_out_t, expires), 1 }, | |
| 167 | |
| 577 | 168 { ngx_string("Accept-Ranges"), |
| 169 ngx_http_upstream_process_header_line, | |
| 170 offsetof(ngx_http_upstream_headers_in_t, accept_ranges), | |
| 171 ngx_http_upstream_copy_header_line, | |
| 172 offsetof(ngx_http_headers_out_t, accept_ranges), 1 }, | |
| 173 | |
| 509 | 174 { ngx_string("Connection"), |
| 175 ngx_http_upstream_ignore_header_line, 0, | |
| 515 | 176 ngx_http_upstream_ignore_header_line, 0, 0 }, |
| 509 | 177 |
| 641 | 178 { ngx_string("Keep-Alive"), |
| 179 ngx_http_upstream_ignore_header_line, 0, | |
| 180 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 181 | |
| 509 | 182 { ngx_string("X-Powered-By"), |
| 183 ngx_http_upstream_ignore_header_line, 0, | |
| 649 | 184 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 509 | 185 |
| 186 { ngx_string("X-Accel-Expires"), | |
| 187 ngx_http_upstream_process_header_line, | |
| 188 offsetof(ngx_http_upstream_headers_in_t, x_accel_expires), | |
| 649 | 189 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 515 | 190 |
| 191 { ngx_string("X-Accel-Redirect"), | |
| 192 ngx_http_upstream_process_header_line, | |
| 193 offsetof(ngx_http_upstream_headers_in_t, x_accel_redirect), | |
| 194 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 509 | 195 |
| 527 | 196 { ngx_string("X-Accel-Limit-Rate"), |
| 197 ngx_http_upstream_process_limit_rate, 0, | |
| 198 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 199 | |
| 649 | 200 { ngx_string("X-Accel-Buffering"), |
| 201 ngx_http_upstream_process_buffering, 0, | |
| 202 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 203 | |
| 657 | 204 { ngx_string("X-Accel-Charset"), |
| 205 ngx_http_upstream_process_charset, 0, | |
| 206 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 207 | |
| 509 | 208 #if (NGX_HTTP_GZIP) |
| 209 { ngx_string("Content-Encoding"), | |
| 210 ngx_http_upstream_process_header_line, | |
| 211 offsetof(ngx_http_upstream_headers_in_t, content_encoding), | |
| 515 | 212 ngx_http_upstream_copy_content_encoding, 0, 0 }, |
| 509 | 213 #endif |
| 214 | |
| 515 | 215 { ngx_null_string, NULL, 0, NULL, 0, 0 } |
| 509 | 216 }; |
| 479 | 217 |
| 218 | |
| 651 | 219 static ngx_command_t ngx_http_upstream_commands[] = { |
| 220 | |
| 221 { ngx_string("upstream"), | |
| 222 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1, | |
| 223 ngx_http_upstream, | |
| 224 0, | |
| 225 0, | |
| 226 NULL }, | |
| 227 | |
| 228 { ngx_string("server"), | |
| 884 | 229 NGX_HTTP_UPS_CONF|NGX_CONF_1MORE, |
| 651 | 230 ngx_http_upstream_server, |
| 231 NGX_HTTP_SRV_CONF_OFFSET, | |
| 232 0, | |
| 233 NULL }, | |
| 234 | |
| 235 ngx_null_command | |
| 236 }; | |
| 237 | |
| 238 | |
| 239 static ngx_http_module_t ngx_http_upstream_module_ctx = { | |
| 573 | 240 ngx_http_upstream_add_variables, /* preconfiguration */ |
| 509 | 241 NULL, /* postconfiguration */ |
| 242 | |
| 243 ngx_http_upstream_create_main_conf, /* create main configuration */ | |
| 651 | 244 ngx_http_upstream_init_main_conf, /* init main configuration */ |
| 479 | 245 |
| 246 NULL, /* create server configuration */ | |
| 247 NULL, /* merge server configuration */ | |
| 248 | |
| 249 NULL, /* create location configuration */ | |
| 250 NULL /* merge location configuration */ | |
| 251 }; | |
| 577 | 252 |
| 479 | 253 |
| 254 ngx_module_t ngx_http_upstream_module = { | |
| 509 | 255 NGX_MODULE_V1, |
| 479 | 256 &ngx_http_upstream_module_ctx, /* module context */ |
| 651 | 257 ngx_http_upstream_commands, /* module directives */ |
| 479 | 258 NGX_HTTP_MODULE, /* module type */ |
| 541 | 259 NULL, /* init master */ |
| 479 | 260 NULL, /* init module */ |
| 541 | 261 NULL, /* init process */ |
| 262 NULL, /* init thread */ | |
| 263 NULL, /* exit thread */ | |
| 264 NULL, /* exit process */ | |
| 265 NULL, /* exit master */ | |
| 266 NGX_MODULE_V1_PADDING | |
| 479 | 267 }; |
| 268 | |
| 269 | |
| 573 | 270 static ngx_http_variable_t ngx_http_upstream_vars[] = { |
| 271 | |
| 1181 | 272 { ngx_string("upstream_addr"), NULL, |
| 273 ngx_http_upstream_addr_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, | |
| 274 | |
| 637 | 275 { ngx_string("upstream_status"), NULL, |
| 583 | 276 ngx_http_upstream_status_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 573 | 277 |
| 637 | 278 { ngx_string("upstream_response_time"), NULL, |
| 583 | 279 ngx_http_upstream_response_time_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 573 | 280 |
| 637 | 281 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 573 | 282 }; |
| 283 | |
| 284 | |
| 487 | 285 void |
| 286 ngx_http_upstream_init(ngx_http_request_t *r) | |
| 479 | 287 { |
| 1658 | 288 ngx_str_t *host; |
| 289 ngx_uint_t i; | |
| 290 ngx_connection_t *c; | |
| 291 ngx_resolver_ctx_t *ctx, temp; | |
| 292 ngx_http_cleanup_t *cln; | |
| 293 ngx_http_upstream_t *u; | |
| 294 ngx_http_core_loc_conf_t *clcf; | |
| 295 ngx_http_upstream_srv_conf_t *uscf, **uscfp; | |
| 296 ngx_http_upstream_main_conf_t *umcf; | |
| 479 | 297 |
| 298 c = r->connection; | |
| 299 | |
| 300 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 301 "http init upstream, client timer: %d", c->read->timer_set); | |
| 302 | |
| 303 if (c->read->timer_set) { | |
| 304 ngx_del_timer(c->read); | |
| 305 } | |
| 306 | |
| 629 | 307 u = r->upstream; |
| 308 | |
| 309 if (!r->post_action && !u->conf->ignore_client_abort) { | |
| 615 | 310 r->read_event_handler = ngx_http_upstream_rd_check_broken_connection; |
| 311 r->write_event_handler = ngx_http_upstream_wr_check_broken_connection; | |
| 312 } | |
| 577 | 313 |
| 479 | 314 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { |
| 315 | |
| 316 if (!c->write->active) { | |
| 531 | 317 if (ngx_add_event(c->write, NGX_WRITE_EVENT, NGX_CLEAR_EVENT) |
| 318 == NGX_ERROR) | |
| 479 | 319 { |
| 320 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 321 return; | |
| 322 } | |
| 323 } | |
| 324 } | |
| 325 | |
| 537 | 326 if (r->request_body) { |
| 327 u->request_bufs = r->request_body->bufs; | |
| 328 } | |
| 509 | 329 |
| 537 | 330 if (u->create_request(r) != NGX_OK) { |
| 479 | 331 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 332 return; | |
| 333 } | |
| 334 | |
| 509 | 335 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| 479 | 336 |
| 337 u->output.pool = r->pool; | |
| 338 u->output.bufs.num = 1; | |
| 509 | 339 u->output.bufs.size = clcf->client_body_buffer_size; |
| 479 | 340 u->output.output_filter = ngx_chain_writer; |
| 341 u->output.filter_ctx = &u->writer; | |
| 342 | |
| 343 u->writer.pool = r->pool; | |
| 344 | |
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345 if (r->upstream_states == NULL) { |
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346 |
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347 r->upstream_states = ngx_array_create(r->pool, 1, |
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348 sizeof(ngx_http_upstream_state_t)); |
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349 if (r->upstream_states == NULL) { |
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350 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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351 return; |
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352 } |
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353 |
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354 } else { |
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355 |
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356 u->state = ngx_array_push(r->upstream_states); |
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357 if (u->state == NULL) { |
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358 ngx_http_upstream_finalize_request(r, u, |
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359 NGX_HTTP_INTERNAL_SERVER_ERROR); |
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360 return; |
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361 } |
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362 |
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363 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); |
| 479 | 364 } |
| 365 | |
| 593 | 366 cln = ngx_http_cleanup_add(r, 0); |
| 569 | 367 if (cln == NULL) { |
| 368 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 369 return; | |
| 370 } | |
| 371 | |
| 372 cln->handler = ngx_http_upstream_cleanup; | |
| 373 cln->data = r; | |
| 374 u->cleanup = &cln->handler; | |
| 375 | |
|
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376 u->store = (u->conf->store || u->conf->store_lengths); |
|
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377 |
| 1658 | 378 if (u->resolved == NULL) { |
| 379 | |
| 380 uscf = u->conf->upstream; | |
| 381 | |
| 382 } else { | |
| 383 | |
| 1705 | 384 host = &u->resolved->host; |
| 1658 | 385 |
| 386 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
| 387 | |
| 388 uscfp = umcf->upstreams.elts; | |
| 389 | |
| 390 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 391 | |
| 392 uscf = uscfp[i]; | |
| 393 | |
| 394 if (uscf->host.len == host->len | |
| 1912 | 395 && ((uscf->port == 0 && u->resolved->default_port) |
| 396 || uscf->port == u->resolved->port) | |
| 1658 | 397 && ngx_memcmp(uscf->host.data, host->data, host->len) == 0) |
| 398 { | |
| 399 goto found; | |
| 400 } | |
| 401 } | |
| 402 | |
| 403 temp.name = *host; | |
| 404 | |
| 405 ctx = ngx_resolve_start(clcf->resolver, &temp); | |
| 406 if (ctx == NULL) { | |
| 407 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 408 return; | |
| 409 } | |
| 410 | |
|
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411 if (ctx == NGX_NO_RESOLVER) { |
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412 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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413 "no resolver defined to resolve %V", host); |
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414 |
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415 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); |
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416 return; |
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417 } |
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418 |
| 1658 | 419 ctx->name = *host; |
| 420 ctx->type = NGX_RESOLVE_A; | |
| 421 ctx->handler = ngx_http_upstream_resolve_handler; | |
| 422 ctx->data = r; | |
| 423 ctx->timeout = clcf->resolver_timeout; | |
| 424 | |
|
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425 u->resolved->ctx = ctx; |
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426 |
| 1658 | 427 if (ngx_resolve_name(ctx) != NGX_OK) { |
|
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428 u->resolved->ctx = NULL; |
| 1658 | 429 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 430 return; | |
| 431 } | |
| 432 | |
| 433 return; | |
| 434 } | |
| 435 | |
| 436 found: | |
| 437 | |
| 438 if (uscf->peer.init(r, uscf) != NGX_OK) { | |
| 439 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 440 return; | |
| 441 } | |
| 442 | |
| 479 | 443 ngx_http_upstream_connect(r, u); |
| 444 } | |
| 445 | |
| 446 | |
| 487 | 447 static void |
| 1658 | 448 ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx) |
| 449 { | |
| 450 ngx_http_request_t *r; | |
| 451 ngx_http_upstream_resolved_t *ur; | |
| 452 | |
| 453 r = ctx->data; | |
| 454 | |
| 455 r->upstream->resolved->ctx = NULL; | |
| 456 | |
| 457 if (ctx->state) { | |
| 458 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 459 "%V could not be resolved (%i: %s)", | |
| 460 &ctx->name, ctx->state, | |
| 461 ngx_resolver_strerror(ctx->state)); | |
| 462 | |
| 463 ngx_resolve_name_done(ctx); | |
| 464 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); | |
| 465 return; | |
| 466 } | |
| 467 | |
| 468 ur = r->upstream->resolved; | |
| 469 ur->naddrs = ctx->naddrs; | |
| 470 ur->addrs = ctx->addrs; | |
| 471 | |
| 472 #if (NGX_DEBUG) | |
| 473 { | |
| 474 in_addr_t addr; | |
| 475 ngx_uint_t i; | |
| 476 | |
| 477 for (i = 0; i < ctx->naddrs; i++) { | |
| 478 addr = ntohl(ur->addrs[i]); | |
| 479 | |
| 480 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 481 "name was resolved to %ud.%ud.%ud.%ud", | |
| 482 (addr >> 24) & 0xff, (addr >> 16) & 0xff, | |
| 483 (addr >> 8) & 0xff, addr & 0xff); | |
| 484 } | |
| 485 } | |
| 486 #endif | |
| 487 | |
| 488 if (ngx_http_upstream_create_round_robin_peer(r, ur) != NGX_OK) { | |
| 489 ngx_resolve_name_done(ctx); | |
| 490 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 491 return; | |
| 492 } | |
| 493 | |
| 494 ngx_resolve_name_done(ctx); | |
| 495 | |
| 496 ngx_http_upstream_connect(r, r->upstream); | |
| 497 } | |
| 498 | |
| 499 | |
| 500 static void | |
| 509 | 501 ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r) |
| 502 { | |
| 503 ngx_http_upstream_check_broken_connection(r, r->connection->read); | |
| 504 } | |
| 505 | |
| 506 | |
| 507 static void | |
| 508 ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r) | |
| 509 { | |
| 510 ngx_http_upstream_check_broken_connection(r, r->connection->write); | |
| 511 } | |
| 512 | |
| 513 | |
| 514 static void | |
| 515 ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
| 516 ngx_event_t *ev) | |
| 479 | 517 { |
| 518 int n; | |
| 519 char buf[1]; | |
| 577 | 520 ngx_err_t err; |
| 479 | 521 ngx_connection_t *c; |
| 522 ngx_http_upstream_t *u; | |
| 523 | |
| 527 | 524 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
| 525 "http upstream check client, write event:%d, \"%V\"", | |
| 526 ev->write, &r->uri); | |
| 479 | 527 |
| 509 | 528 c = r->connection; |
| 483 | 529 u = r->upstream; |
| 530 | |
| 583 | 531 if (c->error) { |
| 527 | 532 ngx_http_upstream_finalize_request(r, u, |
| 533 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 534 return; | |
| 535 } | |
| 536 | |
| 483 | 537 if (u->peer.connection == NULL) { |
| 538 return; | |
| 539 } | |
| 540 | |
| 479 | 541 #if (NGX_HAVE_KQUEUE) |
| 542 | |
| 543 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
| 544 | |
| 545 if (!ev->pending_eof) { | |
| 546 return; | |
| 547 } | |
| 548 | |
| 549 ev->eof = 1; | |
| 583 | 550 c->error = 1; |
| 479 | 551 |
| 552 if (ev->kq_errno) { | |
| 553 ev->error = 1; | |
| 554 } | |
| 555 | |
| 1565 | 556 if (!u->cacheable && !u->store && u->peer.connection) { |
| 479 | 557 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, |
| 527 | 558 "kevent() reported that client closed prematurely " |
| 559 "connection, so upstream connection is closed too"); | |
| 479 | 560 ngx_http_upstream_finalize_request(r, u, |
| 561 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 562 return; | |
| 563 } | |
| 564 | |
| 565 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, | |
| 566 "kevent() reported that client closed " | |
| 567 "prematurely connection"); | |
| 568 | |
| 569 if (u->peer.connection == NULL) { | |
| 570 ngx_http_upstream_finalize_request(r, u, | |
| 571 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 572 return; | |
| 573 } | |
| 574 | |
| 575 return; | |
| 576 } | |
| 577 | |
| 578 #endif | |
| 579 | |
| 580 n = recv(c->fd, buf, 1, MSG_PEEK); | |
| 581 | |
| 582 err = ngx_socket_errno; | |
| 583 | |
| 1109 | 584 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, err, |
| 585 "http upstream recv(): %d", n); | |
| 586 | |
| 479 | 587 /* |
| 588 * we do not need to disable the write event because | |
| 589 * that event has NGX_USE_CLEAR_EVENT type | |
| 590 */ | |
| 591 | |
| 592 if (ev->write && (n >= 0 || err == NGX_EAGAIN)) { | |
| 593 return; | |
| 594 } | |
| 595 | |
| 596 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { | |
| 597 if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { | |
| 598 ngx_http_upstream_finalize_request(r, u, | |
| 599 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 600 return; | |
| 601 } | |
| 602 } | |
| 603 | |
| 604 if (n > 0) { | |
| 605 return; | |
| 606 } | |
| 607 | |
| 608 if (n == -1) { | |
| 609 if (err == NGX_EAGAIN) { | |
| 610 return; | |
| 611 } | |
| 612 | |
| 613 ev->error = 1; | |
| 614 | |
| 483 | 615 } else { /* n == 0 */ |
| 479 | 616 err = 0; |
| 617 } | |
| 618 | |
| 529 | 619 ev->eof = 1; |
| 583 | 620 c->error = 1; |
| 529 | 621 |
| 1565 | 622 if (!u->cacheable && !u->store && u->peer.connection) { |
| 479 | 623 ngx_log_error(NGX_LOG_INFO, ev->log, err, |
| 624 "client closed prematurely connection, " | |
| 625 "so upstream connection is closed too"); | |
| 626 ngx_http_upstream_finalize_request(r, u, | |
| 627 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 628 return; | |
| 629 } | |
| 630 | |
| 631 ngx_log_error(NGX_LOG_INFO, ev->log, err, | |
| 632 "client closed prematurely connection"); | |
| 633 | |
| 634 if (u->peer.connection == NULL) { | |
| 635 ngx_http_upstream_finalize_request(r, u, | |
| 636 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 637 return; | |
| 638 } | |
| 639 } | |
| 640 | |
| 641 | |
| 487 | 642 static void |
| 643 ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 479 | 644 { |
| 591 | 645 ngx_int_t rc; |
| 665 | 646 ngx_time_t *tp; |
| 591 | 647 ngx_connection_t *c; |
| 479 | 648 |
| 483 | 649 r->connection->log->action = "connecting to upstream"; |
| 479 | 650 |
| 651 r->connection->single_connection = 0; | |
| 652 | |
|
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653 if (u->state && u->state->response_sec) { |
| 665 | 654 tp = ngx_timeofday(); |
|
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655 u->state->response_sec = tp->sec - u->state->response_sec; |
|
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656 u->state->response_msec = tp->msec - u->state->response_msec; |
| 665 | 657 } |
| 658 | |
|
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659 u->state = ngx_array_push(r->upstream_states); |
| 665 | 660 if (u->state == NULL) { |
| 661 ngx_http_upstream_finalize_request(r, u, | |
| 662 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 663 return; | |
| 664 } | |
| 665 | |
| 666 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); | |
| 667 | |
| 668 tp = ngx_timeofday(); | |
|
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669 u->state->response_sec = tp->sec; |
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670 u->state->response_msec = tp->msec; |
| 665 | 671 |
| 479 | 672 rc = ngx_event_connect_peer(&u->peer); |
| 673 | |
| 674 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 675 "http upstream connect: %i", rc); | |
| 676 | |
| 677 if (rc == NGX_ERROR) { | |
| 678 ngx_http_upstream_finalize_request(r, u, | |
| 679 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 680 return; | |
| 681 } | |
| 682 | |
|
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683 u->state->peer = u->peer.name; |
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684 |
| 543 | 685 if (rc == NGX_BUSY) { |
| 686 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no live upstreams"); | |
| 1378 | 687 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_NOLIVE); |
| 688 return; | |
| 543 | 689 } |
| 690 | |
| 1378 | 691 if (rc == NGX_DECLINED) { |
| 479 | 692 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
| 693 return; | |
| 694 } | |
| 695 | |
| 577 | 696 /* rc == NGX_OK || rc == NGX_AGAIN */ |
| 697 | |
| 479 | 698 c = u->peer.connection; |
| 699 | |
| 700 c->data = r; | |
| 591 | 701 |
| 509 | 702 c->write->handler = ngx_http_upstream_send_request_handler; |
| 703 c->read->handler = ngx_http_upstream_process_header; | |
| 479 | 704 |
|
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changeset
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705 c->sendfile &= r->connection->sendfile; |
| 1958 | 706 u->output.sendfile = c->sendfile; |
| 479 | 707 |
| 708 c->pool = r->pool; | |
| 709 c->read->log = c->write->log = c->log = r->connection->log; | |
| 710 | |
| 711 /* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */ | |
| 712 | |
| 713 u->writer.out = NULL; | |
| 714 u->writer.last = &u->writer.out; | |
| 715 u->writer.connection = c; | |
| 716 u->writer.limit = 0; | |
| 717 | |
| 718 if (u->request_sent) { | |
| 509 | 719 if (ngx_http_upstream_reinit(r, u) != NGX_OK) { |
| 720 ngx_http_upstream_finalize_request(r, u, | |
| 721 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 722 return; | |
| 723 } | |
| 479 | 724 } |
| 725 | |
|
1064
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fix segfault when client_body_in_file_only is on, the body is not passed
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changeset
|
726 if (r->request_body |
|
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727 && r->request_body->buf |
|
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728 && r->request_body->temp_file |
|
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|
729 && r == r->main) |
|
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|
730 { |
| 573 | 731 /* |
| 732 * the r->request_body->buf can be reused for one request only, | |
| 733 * the subrequests should allocate their own temporay bufs | |
| 734 */ | |
| 735 | |
| 736 u->output.free = ngx_alloc_chain_link(r->pool); | |
| 737 if (u->output.free == NULL) { | |
| 738 ngx_http_upstream_finalize_request(r, u, | |
| 739 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 740 return; | |
| 479 | 741 } |
| 573 | 742 |
| 743 u->output.free->buf = r->request_body->buf; | |
| 744 u->output.free->next = NULL; | |
| 745 u->output.allocated = 1; | |
| 746 | |
| 747 r->request_body->buf->pos = r->request_body->buf->start; | |
| 748 r->request_body->buf->last = r->request_body->buf->start; | |
| 749 r->request_body->buf->tag = u->output.tag; | |
| 479 | 750 } |
| 751 | |
| 752 u->request_sent = 0; | |
| 753 | |
| 754 if (rc == NGX_AGAIN) { | |
| 755 ngx_add_timer(c->write, u->conf->connect_timeout); | |
| 756 return; | |
| 757 } | |
| 758 | |
| 577 | 759 #if (NGX_HTTP_SSL) |
| 760 | |
| 1658 | 761 if (u->ssl && c->ssl == NULL) { |
| 591 | 762 ngx_http_upstream_ssl_init_connection(r, u, c); |
| 577 | 763 return; |
| 764 } | |
| 765 | |
| 766 #endif | |
| 767 | |
| 479 | 768 ngx_http_upstream_send_request(r, u); |
| 769 } | |
| 770 | |
| 771 | |
| 577 | 772 #if (NGX_HTTP_SSL) |
| 773 | |
| 774 static void | |
| 591 | 775 ngx_http_upstream_ssl_init_connection(ngx_http_request_t *r, |
| 776 ngx_http_upstream_t *u, ngx_connection_t *c) | |
| 777 { | |
| 884 | 778 ngx_int_t rc; |
| 591 | 779 |
| 780 if (ngx_ssl_create_connection(u->conf->ssl, c, | |
| 781 NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
| 782 == NGX_ERROR) | |
| 783 { | |
| 784 ngx_http_upstream_finalize_request(r, u, | |
| 785 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 786 return; | |
| 787 } | |
| 788 | |
| 789 c->sendfile = 0; | |
| 619 | 790 u->output.sendfile = 0; |
| 591 | 791 |
| 2184 | 792 if (u->conf->ssl_session_reuse) { |
| 793 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
| 794 ngx_http_upstream_finalize_request(r, u, | |
| 795 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 796 return; | |
| 797 } | |
| 591 | 798 } |
| 799 | |
| 641 | 800 r->connection->log->action = "SSL handshaking to upstream"; |
| 801 | |
| 591 | 802 rc = ngx_ssl_handshake(c); |
| 803 | |
| 804 if (rc == NGX_AGAIN) { | |
| 805 c->ssl->handler = ngx_http_upstream_ssl_handshake; | |
| 806 return; | |
| 807 } | |
| 808 | |
| 809 ngx_http_upstream_ssl_handshake(c); | |
| 810 } | |
| 811 | |
| 812 | |
| 813 static void | |
| 577 | 814 ngx_http_upstream_ssl_handshake(ngx_connection_t *c) |
| 815 { | |
| 816 ngx_http_request_t *r; | |
| 817 ngx_http_upstream_t *u; | |
| 818 | |
| 819 r = c->data; | |
| 820 u = r->upstream; | |
| 821 | |
| 822 if (c->ssl->handshaked) { | |
| 823 | |
| 2184 | 824 if (u->conf->ssl_session_reuse) { |
| 825 u->peer.save_session(&u->peer, u->peer.data); | |
| 826 } | |
| 884 | 827 |
| 577 | 828 c->write->handler = ngx_http_upstream_send_request_handler; |
| 829 c->read->handler = ngx_http_upstream_process_header; | |
| 830 | |
| 831 ngx_http_upstream_send_request(r, u); | |
| 832 | |
| 833 return; | |
| 834 } | |
| 835 | |
| 836 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 837 | |
| 838 } | |
| 839 | |
| 840 #endif | |
| 841 | |
| 842 | |
| 509 | 843 static ngx_int_t |
| 487 | 844 ngx_http_upstream_reinit(ngx_http_request_t *r, ngx_http_upstream_t *u) |
| 479 | 845 { |
| 846 ngx_chain_t *cl; | |
| 847 | |
| 509 | 848 if (u->reinit_request(r) != NGX_OK) { |
| 849 return NGX_ERROR; | |
| 850 } | |
| 851 | |
| 1705 | 852 ngx_memzero(&u->headers_in, sizeof(ngx_http_upstream_headers_in_t)); |
| 853 | |
| 854 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, | |
| 591 | 855 sizeof(ngx_table_elt_t)) |
| 856 != NGX_OK) | |
| 509 | 857 { |
| 858 return NGX_ERROR; | |
| 479 | 859 } |
| 860 | |
| 861 /* reinit the request chain */ | |
| 577 | 862 |
| 509 | 863 for (cl = u->request_bufs; cl; cl = cl->next) { |
| 479 | 864 cl->buf->pos = cl->buf->start; |
| 865 cl->buf->file_pos = 0; | |
| 866 } | |
| 867 | |
| 509 | 868 /* reinit the subrequest's ngx_output_chain() context */ |
| 869 | |
| 573 | 870 if (r->request_body && r->request_body->temp_file |
| 597 | 871 && r != r->main && u->output.buf) |
| 573 | 872 { |
| 873 u->output.free = ngx_alloc_chain_link(r->pool); | |
| 874 if (u->output.free == NULL) { | |
| 875 return NGX_ERROR; | |
| 509 | 876 } |
| 573 | 877 |
| 878 u->output.free->buf = u->output.buf; | |
| 879 u->output.free->next = NULL; | |
| 880 | |
| 881 u->output.buf->pos = u->output.buf->start; | |
| 882 u->output.buf->last = u->output.buf->start; | |
| 509 | 883 } |
| 479 | 884 |
| 885 u->output.buf = NULL; | |
| 886 u->output.in = NULL; | |
| 887 u->output.busy = NULL; | |
| 577 | 888 |
| 581 | 889 /* reinit u->buffer */ |
| 577 | 890 |
| 479 | 891 #if 0 |
| 892 if (u->cache) { | |
| 581 | 893 u->buffer.pos = u->buffer.start + u->cache->ctx.header_size; |
| 894 u->buffer.last = u->buffer.pos; | |
| 479 | 895 |
| 896 } else { | |
| 581 | 897 u->buffer.pos = u->buffer.start; |
| 898 u->buffer.last = u->buffer.start; | |
| 479 | 899 } |
| 900 #else | |
| 509 | 901 |
| 581 | 902 u->buffer.pos = u->buffer.start; |
| 903 u->buffer.last = u->buffer.start; | |
| 509 | 904 |
| 479 | 905 #endif |
| 906 | |
| 509 | 907 return NGX_OK; |
| 479 | 908 } |
| 909 | |
| 910 | |
| 487 | 911 static void |
| 912 ngx_http_upstream_send_request(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 479 | 913 { |
|
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914 ngx_int_t rc; |
| 483 | 915 ngx_connection_t *c; |
| 577 | 916 |
| 479 | 917 c = u->peer.connection; |
| 918 | |
| 919 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 920 "http upstream send request"); | |
| 921 | |
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922 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
| 1166 | 923 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
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924 return; |
| 479 | 925 } |
| 926 | |
| 483 | 927 c->log->action = "sending request to upstream"; |
| 479 | 928 |
| 509 | 929 rc = ngx_output_chain(&u->output, u->request_sent ? NULL : u->request_bufs); |
| 479 | 930 |
| 931 u->request_sent = 1; | |
| 932 | |
| 933 if (rc == NGX_ERROR) { | |
| 934 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 935 return; | |
| 936 } | |
| 937 | |
| 938 if (c->write->timer_set) { | |
| 939 ngx_del_timer(c->write); | |
| 940 } | |
| 941 | |
| 942 if (rc == NGX_AGAIN) { | |
| 943 ngx_add_timer(c->write, u->conf->send_timeout); | |
| 944 | |
| 945 if (ngx_handle_write_event(c->write, u->conf->send_lowat) == NGX_ERROR) | |
| 946 { | |
| 947 ngx_http_upstream_finalize_request(r, u, | |
| 948 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 949 return; | |
| 950 } | |
| 951 | |
| 952 return; | |
| 953 } | |
| 954 | |
| 955 /* rc == NGX_OK */ | |
| 956 | |
| 957 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) { | |
| 958 if (ngx_tcp_push(c->fd) == NGX_ERROR) { | |
| 959 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, | |
| 960 ngx_tcp_push_n " failed"); | |
| 961 ngx_http_upstream_finalize_request(r, u, | |
| 962 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 577 | 963 return; |
| 479 | 964 } |
| 965 | |
| 966 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET; | |
| 967 } | |
| 577 | 968 |
| 479 | 969 ngx_add_timer(c->read, u->conf->read_timeout); |
| 970 | |
| 971 #if 1 | |
| 972 if (c->read->ready) { | |
| 577 | 973 |
| 479 | 974 /* post aio operation */ |
| 975 | |
| 976 /* | |
| 977 * TODO comment | |
| 978 * although we can post aio operation just in the end | |
| 979 * of ngx_http_upstream_connect() CHECK IT !!! | |
| 980 * it's better to do here because we postpone header buffer allocation | |
| 981 */ | |
| 982 | |
| 983 ngx_http_upstream_process_header(c->read); | |
| 984 return; | |
| 985 } | |
| 986 #endif | |
| 987 | |
| 509 | 988 c->write->handler = ngx_http_upstream_dummy_handler; |
| 479 | 989 |
| 509 | 990 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
| 479 | 991 ngx_http_upstream_finalize_request(r, u, |
| 992 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 993 return; | |
| 994 } | |
| 995 } | |
| 996 | |
| 997 | |
| 487 | 998 static void |
| 999 ngx_http_upstream_send_request_handler(ngx_event_t *wev) | |
| 479 | 1000 { |
| 1001 ngx_connection_t *c; | |
| 1002 ngx_http_request_t *r; | |
| 1003 ngx_http_upstream_t *u; | |
| 1004 | |
| 1005 c = wev->data; | |
| 1006 r = c->data; | |
| 1007 u = r->upstream; | |
| 1008 | |
| 1009 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
| 1010 "http upstream send request handler"); | |
| 1011 | |
| 1012 if (wev->timedout) { | |
| 1013 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
| 1014 return; | |
| 1015 } | |
| 1016 | |
| 591 | 1017 #if (NGX_HTTP_SSL) |
| 1018 | |
| 1658 | 1019 if (u->ssl && c->ssl == NULL) { |
| 591 | 1020 ngx_http_upstream_ssl_init_connection(r, u, c); |
| 1021 return; | |
| 1022 } | |
| 1023 | |
| 1024 #endif | |
| 1025 | |
| 651 | 1026 if (u->header_sent) { |
| 1027 wev->handler = ngx_http_upstream_dummy_handler; | |
| 1028 | |
| 1029 (void) ngx_handle_write_event(wev, 0); | |
| 1030 | |
| 1031 return; | |
| 1032 } | |
| 1033 | |
| 479 | 1034 ngx_http_upstream_send_request(r, u); |
| 1035 } | |
| 1036 | |
| 1037 | |
| 487 | 1038 static void |
| 1039 ngx_http_upstream_process_header(ngx_event_t *rev) | |
| 479 | 1040 { |
| 515 | 1041 ssize_t n; |
| 1042 ngx_int_t rc; | |
| 573 | 1043 ngx_str_t *uri, args; |
| 649 | 1044 ngx_uint_t i, flags; |
| 515 | 1045 ngx_list_part_t *part; |
| 1046 ngx_table_elt_t *h; | |
| 1047 ngx_connection_t *c; | |
| 1048 ngx_http_request_t *r; | |
| 1049 ngx_http_upstream_t *u; | |
| 1050 ngx_http_err_page_t *err_page; | |
| 1051 ngx_http_core_loc_conf_t *clcf; | |
| 1052 ngx_http_upstream_header_t *hh; | |
| 1053 ngx_http_upstream_main_conf_t *umcf; | |
| 479 | 1054 |
| 1055 c = rev->data; | |
| 1056 r = c->data; | |
| 1057 u = r->upstream; | |
| 1058 | |
| 1059 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, | |
| 483 | 1060 "http upstream process header"); |
| 479 | 1061 |
| 483 | 1062 c->log->action = "reading response header from upstream"; |
| 479 | 1063 |
| 1064 if (rev->timedout) { | |
| 1065 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
| 1066 return; | |
| 1067 } | |
| 577 | 1068 |
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1069 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
| 1166 | 1070 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
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1071 return; |
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1072 } |
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1073 |
| 581 | 1074 if (u->buffer.start == NULL) { |
| 1075 u->buffer.start = ngx_palloc(r->pool, u->conf->buffer_size); | |
| 1076 if (u->buffer.start == NULL) { | |
| 479 | 1077 ngx_http_upstream_finalize_request(r, u, |
| 1078 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1079 return; | |
| 1080 } | |
| 1081 | |
| 581 | 1082 u->buffer.pos = u->buffer.start; |
| 1083 u->buffer.last = u->buffer.start; | |
| 1084 u->buffer.end = u->buffer.start + u->conf->buffer_size; | |
| 1085 u->buffer.temporary = 1; | |
| 1086 | |
| 1087 u->buffer.tag = u->output.tag; | |
| 479 | 1088 |
| 1705 | 1089 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, |
| 581 | 1090 sizeof(ngx_table_elt_t)) |
| 1091 != NGX_OK) | |
| 509 | 1092 { |
| 1093 ngx_http_upstream_finalize_request(r, u, | |
| 1094 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1095 return; | |
| 1096 } | |
| 1097 | |
| 479 | 1098 #if 0 |
| 1099 if (u->cache) { | |
| 581 | 1100 u->buffer.pos += u->cache->ctx.header_size; |
| 1101 u->buffer.last = u->buffer.pos; | |
| 479 | 1102 } |
| 1103 #endif | |
| 1104 } | |
| 1105 | |
| 1558 | 1106 n = c->recv(c, u->buffer.last, u->buffer.end - u->buffer.last); |
| 479 | 1107 |
| 1108 if (n == NGX_AGAIN) { | |
| 1109 #if 0 | |
| 1110 ngx_add_timer(rev, u->read_timeout); | |
| 1111 #endif | |
| 1112 | |
| 1113 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 1114 ngx_http_upstream_finalize_request(r, u, | |
| 1115 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1116 return; | |
| 1117 } | |
| 1118 | |
| 1119 return; | |
| 1120 } | |
| 1121 | |
| 1122 if (n == 0) { | |
| 1123 ngx_log_error(NGX_LOG_ERR, rev->log, 0, | |
| 1124 "upstream prematurely closed connection"); | |
| 1125 } | |
| 1126 | |
| 1127 if (n == NGX_ERROR || n == 0) { | |
| 1128 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 1129 return; | |
| 1130 } | |
| 1131 | |
| 581 | 1132 u->buffer.last += n; |
| 479 | 1133 |
| 1134 #if 0 | |
| 1135 u->valid_header_in = 0; | |
| 1136 | |
| 1137 u->peer.cached = 0; | |
| 1138 #endif | |
| 1139 | |
| 1140 rc = u->process_header(r); | |
| 1141 | |
| 1142 if (rc == NGX_AGAIN) { | |
| 1143 #if 0 | |
| 1144 ngx_add_timer(rev, u->read_timeout); | |
| 1145 #endif | |
| 1146 | |
| 581 | 1147 if (u->buffer.pos == u->buffer.end) { |
| 479 | 1148 ngx_log_error(NGX_LOG_ERR, rev->log, 0, |
| 1149 "upstream sent too big header"); | |
| 1150 | |
| 1151 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
| 1152 return; | |
| 1153 } | |
| 1154 | |
| 1155 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 1156 ngx_http_upstream_finalize_request(r, u, | |
| 1157 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1158 return; | |
| 1159 } | |
| 1160 | |
| 1161 return; | |
| 1162 } | |
| 1163 | |
| 1164 if (rc == NGX_HTTP_UPSTREAM_INVALID_HEADER) { | |
| 1165 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
| 1166 return; | |
| 1167 } | |
| 1168 | |
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1169 if (rc == NGX_ERROR) { |
| 479 | 1170 ngx_http_upstream_finalize_request(r, u, |
| 1171 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1172 return; | |
| 1173 } | |
| 1174 | |
| 1175 /* rc == NGX_OK */ | |
| 1176 | |
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1177 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST |
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1178 && r->subrequest_in_memory) |
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1179 { |
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1180 u->buffer.last = u->buffer.pos; |
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1181 } |
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1182 |
| 529 | 1183 if (u->headers_in.status_n == NGX_HTTP_INTERNAL_SERVER_ERROR) { |
| 509 | 1184 |
| 1185 if (u->peer.tries > 1 | |
| 1186 && (u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_HTTP_500)) | |
| 1187 { | |
| 1188 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_HTTP_500); | |
| 1189 return; | |
| 1190 } | |
| 1191 | |
| 1192 #if (NGX_HTTP_CACHE) | |
| 1193 | |
| 1194 if (u->peer.tries == 0 | |
| 1195 && u->stale | |
| 1196 && (u->conf->use_stale & NGX_HTTP_UPSTREAM_FT_HTTP_500)) | |
| 1197 { | |
| 1198 ngx_http_upstream_finalize_request(r, u, | |
| 529 | 1199 ngx_http_send_cached_response(r)); |
| 509 | 1200 return; |
| 1201 } | |
| 1202 | |
| 1203 #endif | |
| 1204 } | |
| 1205 | |
| 597 | 1206 if (u->headers_in.status_n == NGX_HTTP_NOT_FOUND) { |
| 1207 | |
| 1208 if (u->peer.tries > 1 | |
| 1209 && u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_HTTP_404) | |
| 1210 { | |
| 1211 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_HTTP_404); | |
| 1212 return; | |
| 1213 } | |
| 1214 | |
| 675 | 1215 if (u->conf->intercept_404) { |
| 1216 ngx_http_upstream_finalize_request(r, u, NGX_HTTP_NOT_FOUND); | |
| 597 | 1217 return; |
| 1218 } | |
| 509 | 1219 } |
| 1220 | |
| 1221 | |
| 529 | 1222 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST |
| 675 | 1223 && u->conf->intercept_errors) |
| 487 | 1224 { |
| 1225 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1226 | |
| 1227 if (clcf->error_pages) { | |
| 1228 | |
| 1229 err_page = clcf->error_pages->elts; | |
| 1230 for (i = 0; i < clcf->error_pages->nelts; i++) { | |
| 529 | 1231 if (err_page[i].status == (ngx_int_t) u->headers_in.status_n) { |
| 1232 | |
| 1233 if (u->headers_in.status_n == NGX_HTTP_UNAUTHORIZED) { | |
| 1234 | |
| 1235 r->headers_out.www_authenticate = | |
| 1236 ngx_list_push(&r->headers_out.headers); | |
| 1237 | |
| 1238 if (r->headers_out.www_authenticate == NULL) { | |
| 1239 ngx_http_upstream_finalize_request(r, u, | |
| 1240 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1241 return; | |
| 1242 } | |
| 1243 | |
| 577 | 1244 *r->headers_out.www_authenticate = |
| 529 | 1245 *u->headers_in.www_authenticate; |
| 1246 } | |
| 1247 | |
| 487 | 1248 ngx_http_upstream_finalize_request(r, u, |
| 529 | 1249 u->headers_in.status_n); |
| 487 | 1250 return; |
| 1251 } | |
| 1252 } | |
| 1253 } | |
| 1254 } | |
| 1255 | |
| 681 | 1256 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); |
| 1257 | |
| 1705 | 1258 if (u->headers_in.x_accel_redirect) { |
|
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changeset
|
1259 |
| 515 | 1260 ngx_http_upstream_finalize_request(r, u, NGX_DECLINED); |
| 1261 | |
| 1705 | 1262 part = &u->headers_in.headers.part; |
| 515 | 1263 h = part->elts; |
| 1264 | |
| 1265 for (i = 0; /* void */; i++) { | |
| 1266 | |
| 1267 if (i >= part->nelts) { | |
| 1268 if (part->next == NULL) { | |
| 1269 break; | |
| 1270 } | |
| 577 | 1271 |
| 515 | 1272 part = part->next; |
| 1273 h = part->elts; | |
| 1274 i = 0; | |
| 1275 } | |
| 1276 | |
| 649 | 1277 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, |
| 1278 h[i].lowcase_key, h[i].key.len); | |
| 1279 | |
| 1280 if (hh && hh->redirect) { | |
| 1281 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
|
787
b310630d129e
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
777
diff
changeset
|
1282 ngx_http_finalize_request(r, |
|
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1283 NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 515 | 1284 return; |
| 1285 } | |
| 1286 } | |
| 1287 } | |
| 1288 | |
| 1705 | 1289 uri = &u->headers_in.x_accel_redirect->value; |
| 573 | 1290 args.len = 0; |
| 1291 args.data = NULL; | |
| 1292 flags = 0; | |
| 1293 | |
| 1294 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) { | |
|
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1295 ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); |
| 573 | 1296 return; |
| 1297 } | |
| 1298 | |
| 1299 if (flags & NGX_HTTP_ZERO_IN_URI) { | |
| 1300 r->zero_in_uri = 1; | |
| 1301 } | |
| 1302 | |
| 653 | 1303 if (r->method != NGX_HTTP_HEAD) { |
| 1304 r->method = NGX_HTTP_GET; | |
| 1305 } | |
| 1306 | |
|
2183
4a5bfd728a12
disable original URI usage in proxy_pass after X-Accel-Redirect
Igor Sysoev <igor@sysoev.ru>
parents:
2140
diff
changeset
|
1307 r->valid_unparsed_uri = 0; |
|
4a5bfd728a12
disable original URI usage in proxy_pass after X-Accel-Redirect
Igor Sysoev <igor@sysoev.ru>
parents:
2140
diff
changeset
|
1308 |
| 573 | 1309 ngx_http_internal_redirect(r, uri, &args); |
| 515 | 1310 return; |
| 1311 } | |
| 1312 | |
| 1705 | 1313 part = &u->headers_in.headers.part; |
| 509 | 1314 h = part->elts; |
| 1315 | |
| 1316 for (i = 0; /* void */; i++) { | |
| 479 | 1317 |
| 509 | 1318 if (i >= part->nelts) { |
| 1319 if (part->next == NULL) { | |
| 1320 break; | |
| 1321 } | |
| 577 | 1322 |
| 509 | 1323 part = part->next; |
| 1324 h = part->elts; | |
| 1325 i = 0; | |
| 1326 } | |
| 1327 | |
| 649 | 1328 if (ngx_hash_find(&u->conf->hide_headers_hash, h[i].hash, |
| 1329 h[i].lowcase_key, h[i].key.len)) | |
| 509 | 1330 { |
| 649 | 1331 continue; |
| 1332 } | |
| 1333 | |
| 1334 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, | |
| 1335 h[i].lowcase_key, h[i].key.len); | |
| 1336 | |
| 1337 if (hh) { | |
| 1338 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
| 509 | 1339 ngx_http_upstream_finalize_request(r, u, |
| 1340 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1341 return; | |
| 1342 } | |
| 1343 | |
| 1344 continue; | |
| 1345 } | |
| 1346 | |
| 1347 if (ngx_http_upstream_copy_header_line(r, &h[i], 0) != NGX_OK) { | |
| 1348 ngx_http_upstream_finalize_request(r, u, | |
| 1349 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1350 return; | |
| 1351 } | |
| 1352 } | |
| 1353 | |
| 649 | 1354 if (r->headers_out.server && r->headers_out.server->value.data == NULL) { |
| 1355 r->headers_out.server->hash = 0; | |
| 1356 } | |
| 1357 | |
| 1358 if (r->headers_out.date && r->headers_out.date->value.data == NULL) { | |
| 1359 r->headers_out.date->hash = 0; | |
| 1360 } | |
| 1361 | |
| 529 | 1362 r->headers_out.status = u->headers_in.status_n; |
| 1363 r->headers_out.status_line = u->headers_in.status_line; | |
| 1364 | |
|
1885
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
1365 u->headers_in.content_length_n = r->headers_out.content_length_n; |
|
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
1366 |
| 581 | 1367 if (r->headers_out.content_length_n != -1) { |
| 1368 u->length = (size_t) r->headers_out.content_length_n; | |
| 1369 | |
| 1370 } else { | |
| 1371 u->length = NGX_MAX_SIZE_T_VALUE; | |
| 1372 } | |
| 1373 | |
|
777
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parents:
757
diff
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|
1374 if (!r->subrequest_in_memory) { |
|
4ab852b691f5
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parents:
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diff
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|
1375 ngx_http_upstream_send_response(r, u); |
|
4ab852b691f5
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parents:
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diff
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|
1376 return; |
|
4ab852b691f5
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parents:
757
diff
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|
1377 } |
|
4ab852b691f5
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parents:
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diff
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|
1378 |
|
4ab852b691f5
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diff
changeset
|
1379 /* subrequest content in memory */ |
|
4ab852b691f5
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|
1380 |
|
4ab852b691f5
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parents:
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diff
changeset
|
1381 if (u->input_filter == NULL) { |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1382 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1383 u->input_filter = ngx_http_upstream_non_buffered_filter; |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1384 u->input_filter_ctx = r; |
|
4ab852b691f5
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parents:
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diff
changeset
|
1385 } |
|
4ab852b691f5
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parents:
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diff
changeset
|
1386 |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1387 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1388 ngx_http_upstream_finalize_request(r, u, |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1389 NGX_HTTP_INTERNAL_SERVER_ERROR); |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1390 return; |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1391 } |
|
4ab852b691f5
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parents:
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diff
changeset
|
1392 |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1393 if (u->buffer.last - u->buffer.pos >= (ssize_t) u->length) { |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1394 if (u->input_filter(u->input_filter_ctx, 0) == NGX_ERROR) { |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1395 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1396 return; |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1397 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
757
diff
changeset
|
1398 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1399 ngx_http_upstream_finalize_request(r, u, 0); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1400 return; |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1401 } |
|
4ab852b691f5
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parents:
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diff
changeset
|
1402 |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1403 rev->handler = ngx_http_upstream_process_body_in_memory; |
|
4ab852b691f5
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parents:
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diff
changeset
|
1404 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1405 ngx_http_upstream_process_body_in_memory(rev); |
|
4ab852b691f5
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parents:
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diff
changeset
|
1406 } |
|
4ab852b691f5
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parents:
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diff
changeset
|
1407 |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1408 |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1409 static ngx_int_t |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1410 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
|
1411 { |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1412 int err; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1413 socklen_t len; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1414 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1415 #if (NGX_HAVE_KQUEUE) |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1416 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1417 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
| 1166 | 1418 if (c->write->pending_eof) { |
|
1469
0a269c464eaf
connection error should be logged with "connecting to upstream" action,
Igor Sysoev <igor@sysoev.ru>
parents:
1468
diff
changeset
|
1419 c->log->action = "connecting to upstream"; |
| 1166 | 1420 (void) ngx_connection_error(c, c->write->kq_errno, |
| 1421 "kevent() reported that connect() failed"); | |
| 1422 return NGX_ERROR; | |
| 1423 } | |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1424 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1425 } else |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1426 #endif |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1427 { |
| 1166 | 1428 err = 0; |
| 1429 len = sizeof(int); | |
| 1430 | |
| 1431 /* | |
| 1432 * BSDs and Linux return 0 and set a pending error in err | |
| 1433 * Solaris returns -1 and sets errno | |
| 1434 */ | |
| 1435 | |
| 1436 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
| 1437 == -1) | |
| 1438 { | |
| 1439 err = ngx_errno; | |
| 1440 } | |
| 1441 | |
| 1442 if (err) { | |
|
1469
0a269c464eaf
connection error should be logged with "connecting to upstream" action,
Igor Sysoev <igor@sysoev.ru>
parents:
1468
diff
changeset
|
1443 c->log->action = "connecting to upstream"; |
| 1166 | 1444 (void) ngx_connection_error(c, err, "connect() failed"); |
| 1445 return NGX_ERROR; | |
| 1446 } | |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1447 } |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1448 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1449 return NGX_OK; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1450 } |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1451 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1452 |
|
777
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|
1453 static void |
|
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|
1454 ngx_http_upstream_process_body_in_memory(ngx_event_t *rev) |
|
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|
1455 { |
|
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|
1456 size_t size; |
|
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|
1457 ssize_t n; |
|
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|
1458 ngx_buf_t *b; |
|
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|
1459 ngx_connection_t *c; |
|
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diff
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|
1460 ngx_http_request_t *r; |
|
4ab852b691f5
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|
1461 ngx_http_upstream_t *u; |
|
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|
1462 |
|
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|
1463 c = rev->data; |
|
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|
1464 r = c->data; |
|
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diff
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|
1465 u = r->upstream; |
|
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|
1466 |
|
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|
1467 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
|
4ab852b691f5
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diff
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|
1468 "http upstream process body on memory"); |
|
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diff
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|
1469 |
|
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diff
changeset
|
1470 if (rev->timedout) { |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1471 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
|
4ab852b691f5
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diff
changeset
|
1472 ngx_http_upstream_finalize_request(r, u, NGX_ETIMEDOUT); |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1473 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1474 } |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1475 |
|
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diff
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|
1476 b = &u->buffer; |
|
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diff
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|
1477 |
|
4ab852b691f5
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diff
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|
1478 for ( ;; ) { |
|
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diff
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|
1479 |
|
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diff
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|
1480 size = b->end - b->last; |
|
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diff
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|
1481 |
|
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diff
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|
1482 if (size == 0) { |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1483 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
|
4ab852b691f5
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diff
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|
1484 "upstream buffer is too small to read repsonse"); |
|
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diff
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|
1485 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
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diff
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|
1486 return; |
|
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diff
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|
1487 } |
|
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diff
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|
1488 |
|
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|
1489 n = c->recv(c, b->last, size); |
|
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|
1490 |
|
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|
1491 if (n == NGX_AGAIN) { |
|
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diff
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|
1492 break; |
|
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diff
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|
1493 } |
|
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|
1494 |
|
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|
1495 if (n == 0 || n == NGX_ERROR) { |
|
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|
1496 ngx_http_upstream_finalize_request(r, u, n); |
|
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|
1497 return; |
|
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diff
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|
1498 } |
|
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|
1499 |
|
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|
1500 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
|
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|
1501 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
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1502 return; |
|
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|
1503 } |
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|
1504 |
|
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1505 if (!rev->ready) { |
|
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|
1506 break; |
|
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|
1507 } |
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|
1508 } |
|
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|
1509 |
|
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|
1510 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
|
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|
1511 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
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1512 return; |
|
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|
1513 } |
|
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|
1514 |
|
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|
1515 if (rev->active) { |
|
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|
1516 ngx_add_timer(rev, u->conf->read_timeout); |
|
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|
1517 |
|
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|
1518 } else if (rev->timer_set) { |
|
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|
1519 ngx_del_timer(rev); |
|
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|
1520 } |
| 681 | 1521 } |
| 1522 | |
| 1523 | |
| 1524 static void | |
| 1525 ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 1526 { | |
| 1527 int tcp_nodelay; | |
| 1528 ssize_t size; | |
| 1529 ngx_int_t rc; | |
| 1530 ngx_event_pipe_t *p; | |
| 1531 ngx_connection_t *c; | |
| 1532 ngx_pool_cleanup_t *cl; | |
| 1533 ngx_pool_cleanup_file_t *clf; | |
| 1534 ngx_http_core_loc_conf_t *clcf; | |
| 1535 | |
| 509 | 1536 rc = ngx_http_send_header(r); |
| 479 | 1537 |
|
1031
bf1785dfb75f
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diff
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|
1538 if (rc == NGX_ERROR || rc > NGX_OK || r->post_action || r->header_only) { |
| 485 | 1539 ngx_http_upstream_finalize_request(r, u, rc); |
| 479 | 1540 return; |
| 1541 } | |
| 1542 | |
| 1543 u->header_sent = 1; | |
| 1544 | |
| 573 | 1545 if (r->request_body && r->request_body->temp_file) { |
| 563 | 1546 for (cl = r->pool->cleanup; cl; cl = cl->next) { |
| 1547 if (cl->handler == ngx_pool_cleanup_file) { | |
| 1548 clf = cl->data; | |
| 1549 | |
| 1550 if (clf->fd == r->request_body->temp_file->file.fd) { | |
| 1551 cl->handler(clf); | |
| 1552 cl->handler = NULL; | |
| 659 | 1553 r->request_body->temp_file->file.fd = NGX_INVALID_FILE; |
| 563 | 1554 break; |
| 1555 } | |
| 1556 } | |
| 1557 } | |
| 1558 } | |
| 1559 | |
| 583 | 1560 c = r->connection; |
| 1561 | |
| 581 | 1562 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| 1563 | |
| 649 | 1564 if (!u->buffering) { |
| 581 | 1565 |
| 1566 if (u->input_filter == NULL) { | |
| 1567 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; | |
| 1568 u->input_filter = ngx_http_upstream_non_buffered_filter; | |
| 1569 u->input_filter_ctx = r; | |
| 1570 } | |
| 1571 | |
| 1572 u->peer.connection->read->handler = | |
| 1573 ngx_http_upstream_process_non_buffered_body; | |
| 1574 r->write_event_handler = | |
| 1575 ngx_http_upstream_process_non_buffered_downstream; | |
| 1576 | |
| 1577 r->limit_rate = 0; | |
| 1578 | |
| 1579 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { | |
| 1580 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1581 return; | |
| 1582 } | |
| 1583 | |
| 583 | 1584 if (clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
| 1585 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay"); | |
| 1586 | |
| 1587 tcp_nodelay = 1; | |
| 1588 | |
| 1589 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
| 1590 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
| 1591 { | |
| 1592 ngx_connection_error(c, ngx_socket_errno, | |
| 1593 "setsockopt(TCP_NODELAY) failed"); | |
| 1594 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1595 return; | |
| 1596 } | |
| 1597 | |
| 1598 c->tcp_nodelay = NGX_TCP_NODELAY_SET; | |
| 1599 } | |
| 1600 | |
| 581 | 1601 size = u->buffer.last - u->buffer.pos; |
| 1602 | |
| 1603 if (size) { | |
| 1604 u->buffer.last = u->buffer.pos; | |
| 1605 | |
| 1606 if (u->input_filter(u->input_filter_ctx, size) == NGX_ERROR) { | |
| 1607 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1608 return; | |
| 1609 } | |
| 1610 | |
| 583 | 1611 ngx_http_upstream_process_non_buffered_body(c->write); |
| 581 | 1612 |
| 1613 } else { | |
| 1614 u->buffer.pos = u->buffer.start; | |
| 1615 u->buffer.last = u->buffer.start; | |
| 1616 | |
| 1617 if (ngx_http_send_special(r, NGX_HTTP_FLUSH) == NGX_ERROR) { | |
| 1618 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1619 return; | |
| 1620 } | |
|
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|
1621 |
|
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|
1622 if (u->peer.connection->read->ready) { |
|
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|
1623 ngx_http_upstream_process_non_buffered_body( |
|
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diff
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|
1624 u->peer.connection->read); |
|
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|
1625 } |
| 581 | 1626 } |
| 1627 | |
| 1628 return; | |
| 1629 } | |
| 1630 | |
| 479 | 1631 /* TODO: preallocate event_pipe bufs, look "Content-Length" */ |
| 1632 | |
| 1633 #if 0 | |
| 1634 | |
| 1635 if (u->cache && u->cache->ctx.file.fd != NGX_INVALID_FILE) { | |
| 1636 if (ngx_close_file(u->cache->ctx.file.fd) == NGX_FILE_ERROR) { | |
| 583 | 1637 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
| 479 | 1638 ngx_close_file_n " \"%s\" failed", |
| 1639 u->cache->ctx.file.name.data); | |
| 1640 } | |
| 1641 } | |
| 1642 | |
| 1565 | 1643 if (u->cacheable) { |
| 581 | 1644 header = (ngx_http_cache_header_t *) u->buffer->start; |
| 479 | 1645 |
| 1646 header->expires = u->cache->ctx.expires; | |
| 1647 header->last_modified = u->cache->ctx.last_modified; | |
| 1648 header->date = u->cache->ctx.date; | |
| 1649 header->length = r->headers_out.content_length_n; | |
| 1650 u->cache->ctx.length = r->headers_out.content_length_n; | |
| 1651 | |
| 1652 header->key_len = u->cache->ctx.key0.len; | |
| 1653 ngx_memcpy(&header->key, u->cache->ctx.key0.data, header->key_len); | |
| 1654 header->key[header->key_len] = LF; | |
| 1655 } | |
| 1656 | |
| 1657 #endif | |
| 1658 | |
| 581 | 1659 p = u->pipe; |
| 479 | 1660 |
| 1661 p->output_filter = (ngx_event_pipe_output_filter_pt) ngx_http_output_filter; | |
| 1662 p->output_ctx = r; | |
| 1663 p->tag = u->output.tag; | |
| 577 | 1664 p->bufs = u->conf->bufs; |
| 479 | 1665 p->busy_size = u->conf->busy_buffers_size; |
| 1666 p->upstream = u->peer.connection; | |
| 583 | 1667 p->downstream = c; |
| 479 | 1668 p->pool = r->pool; |
| 583 | 1669 p->log = c->log; |
| 577 | 1670 |
| 1565 | 1671 p->cacheable = u->cacheable || u->store; |
| 479 | 1672 |
| 501 | 1673 p->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
| 1674 if (p->temp_file == NULL) { | |
| 479 | 1675 ngx_http_upstream_finalize_request(r, u, 0); |
| 1676 return; | |
| 1677 } | |
| 1678 | |
| 1679 p->temp_file->file.fd = NGX_INVALID_FILE; | |
| 583 | 1680 p->temp_file->file.log = c->log; |
| 479 | 1681 p->temp_file->path = u->conf->temp_path; |
| 1682 p->temp_file->pool = r->pool; | |
| 577 | 1683 |
| 1565 | 1684 if (u->cacheable || u->store) { |
| 479 | 1685 p->temp_file->persistent = 1; |
|
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|
1686 |
| 479 | 1687 } else { |
| 667 | 1688 p->temp_file->log_level = NGX_LOG_WARN; |
| 479 | 1689 p->temp_file->warn = "an upstream response is buffered " |
| 1690 "to a temporary file"; | |
| 1691 } | |
| 1692 | |
| 1693 p->max_temp_file_size = u->conf->max_temp_file_size; | |
| 1694 p->temp_file_write_size = u->conf->temp_file_write_size; | |
| 1695 | |
| 501 | 1696 p->preread_bufs = ngx_alloc_chain_link(r->pool); |
| 1697 if (p->preread_bufs == NULL) { | |
| 479 | 1698 ngx_http_upstream_finalize_request(r, u, 0); |
| 1699 return; | |
| 1700 } | |
|
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1284
diff
changeset
|
1701 |
| 581 | 1702 p->preread_bufs->buf = &u->buffer; |
| 479 | 1703 p->preread_bufs->next = NULL; |
| 581 | 1704 u->buffer.recycled = 1; |
| 1705 | |
| 1706 p->preread_size = u->buffer.last - u->buffer.pos; | |
| 479 | 1707 |
| 1565 | 1708 if (u->cacheable) { |
|
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changeset
|
1709 |
| 479 | 1710 p->buf_to_file = ngx_calloc_buf(r->pool); |
| 1711 if (p->buf_to_file == NULL) { | |
| 1712 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1713 return; | |
| 1714 } | |
|
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|
1715 |
| 581 | 1716 p->buf_to_file->pos = u->buffer.start; |
| 1717 p->buf_to_file->last = u->buffer.pos; | |
| 479 | 1718 p->buf_to_file->temporary = 1; |
| 1719 } | |
| 1720 | |
| 1721 if (ngx_event_flags & NGX_USE_AIO_EVENT) { | |
| 1722 /* the posted aio operation may currupt a shadow buffer */ | |
| 1723 p->single_buf = 1; | |
| 1724 } | |
| 1725 | |
| 1726 /* TODO: p->free_bufs = 0 if use ngx_create_chain_of_bufs() */ | |
| 1727 p->free_bufs = 1; | |
| 1728 | |
| 1729 /* | |
| 581 | 1730 * event_pipe would do u->buffer.last += p->preread_size |
| 479 | 1731 * as though these bytes were read |
| 1732 */ | |
| 581 | 1733 u->buffer.last = u->buffer.pos; |
| 479 | 1734 |
| 1735 if (u->conf->cyclic_temp_file) { | |
| 1736 | |
| 1737 /* | |
| 1738 * we need to disable the use of sendfile() if we use cyclic temp file | |
| 1739 * because the writing a new data may interfere with sendfile() | |
| 1740 * that uses the same kernel file pages (at least on FreeBSD) | |
| 1741 */ | |
| 1742 | |
| 1743 p->cyclic_temp_file = 1; | |
| 583 | 1744 c->sendfile = 0; |
| 479 | 1745 |
| 1746 } else { | |
| 1747 p->cyclic_temp_file = 0; | |
| 1748 } | |
| 1749 | |
| 1750 p->read_timeout = u->conf->read_timeout; | |
| 1751 p->send_timeout = clcf->send_timeout; | |
| 1752 p->send_lowat = clcf->send_lowat; | |
| 1753 | |
| 509 | 1754 u->peer.connection->read->handler = ngx_http_upstream_process_body; |
| 1755 r->write_event_handler = ngx_http_upstream_process_downstream; | |
| 479 | 1756 |
| 1757 ngx_http_upstream_process_body(u->peer.connection->read); | |
| 1758 } | |
| 1759 | |
| 1760 | |
| 487 | 1761 static void |
| 581 | 1762 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r) |
| 1763 { | |
| 1764 ngx_http_upstream_process_non_buffered_body(r->connection->write); | |
| 1765 } | |
| 1766 | |
| 1767 | |
| 1768 static void | |
| 1769 ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev) | |
| 1770 { | |
| 1771 size_t size; | |
| 1772 ssize_t n; | |
| 1773 ngx_buf_t *b; | |
| 583 | 1774 ngx_int_t rc; |
| 581 | 1775 ngx_uint_t do_write; |
| 884 | 1776 ngx_connection_t *c, *downstream, *upstream; |
| 581 | 1777 ngx_http_request_t *r; |
| 1778 ngx_http_upstream_t *u; | |
| 1779 ngx_http_core_loc_conf_t *clcf; | |
| 1780 | |
| 1781 c = ev->data; | |
|
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|
1782 r = c->data; |
|
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1783 u = r->upstream; |
| 581 | 1784 |
| 1785 if (ev->write) { | |
| 1786 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1787 "http upstream process non buffered downstream"); | |
| 1788 c->log->action = "sending to client"; | |
| 1789 | |
| 1790 } else { | |
| 1791 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1792 "http upstream process non buffered upstream"); | |
| 1793 c->log->action = "reading upstream"; | |
| 1794 } | |
| 1795 | |
| 1796 if (ev->timedout) { | |
| 1797 if (ev->write) { | |
| 1798 c->timedout = 1; | |
| 611 | 1799 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
| 1800 | |
| 581 | 1801 } else { |
| 611 | 1802 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
| 581 | 1803 } |
|
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diff
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|
1804 |
|
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|
1805 ngx_http_upstream_finalize_request(r, u, 0); |
|
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diff
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|
1806 return; |
| 581 | 1807 } |
| 1808 | |
| 884 | 1809 downstream = r->connection; |
| 1810 upstream = u->peer.connection; | |
| 581 | 1811 |
| 1812 b = &u->buffer; | |
| 1813 | |
| 1814 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1815 | |
| 657 | 1816 do_write = ev->write || u->length == 0; |
| 581 | 1817 |
| 1818 for ( ;; ) { | |
| 1819 | |
| 1820 if (do_write) { | |
| 1821 | |
| 1822 if (u->out_bufs || u->busy_bufs) { | |
| 583 | 1823 rc = ngx_http_output_filter(r, u->out_bufs); |
| 1824 | |
| 884 | 1825 if (downstream->destroyed) { |
| 583 | 1826 return; |
| 1827 } | |
| 1828 | |
| 1829 if (rc == NGX_ERROR) { | |
| 581 | 1830 ngx_http_upstream_finalize_request(r, u, 0); |
| 1831 return; | |
| 1832 } | |
| 1833 | |
| 1834 ngx_chain_update_chains(&u->free_bufs, &u->busy_bufs, | |
| 1835 &u->out_bufs, u->output.tag); | |
| 1836 } | |
| 1837 | |
| 1838 if (u->busy_bufs == NULL) { | |
| 1839 | |
| 1840 if (u->length == 0 | |
| 884 | 1841 || upstream->read->eof |
| 1842 || upstream->read->error) | |
| 581 | 1843 { |
| 1844 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1845 return; | |
| 1846 } | |
| 1847 | |
| 1848 b->pos = b->start; | |
| 1849 b->last = b->start; | |
| 1850 } | |
| 1851 } | |
| 1852 | |
| 1853 size = b->end - b->last; | |
| 1854 | |
| 1855 if (size > u->length) { | |
| 1856 size = u->length; | |
| 1857 } | |
| 1858 | |
| 884 | 1859 if (size && upstream->read->ready) { |
| 1860 | |
| 1861 n = upstream->recv(upstream, b->last, size); | |
| 581 | 1862 |
| 1863 if (n == NGX_AGAIN) { | |
| 1864 break; | |
| 1865 } | |
| 1866 | |
| 1867 if (n > 0) { | |
| 1868 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { | |
| 1869 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1870 return; | |
| 1871 } | |
| 1872 } | |
| 1873 | |
| 1874 do_write = 1; | |
| 1875 | |
| 1876 continue; | |
| 1877 } | |
| 1878 | |
| 1879 break; | |
| 1880 } | |
| 1881 | |
| 884 | 1882 if (downstream->data == r) { |
| 1883 if (ngx_handle_write_event(downstream->write, clcf->send_lowat) | |
| 583 | 1884 == NGX_ERROR) |
| 1885 { | |
| 1886 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1887 return; | |
| 1888 } | |
| 581 | 1889 } |
| 1890 | |
|
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diff
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|
1891 if (downstream->write->active && !downstream->write->ready) { |
| 884 | 1892 ngx_add_timer(downstream->write, clcf->send_timeout); |
| 1893 | |
| 1894 } else if (downstream->write->timer_set) { | |
| 1895 ngx_del_timer(downstream->write); | |
| 581 | 1896 } |
| 1897 | |
| 884 | 1898 if (ngx_handle_read_event(upstream->read, 0) == NGX_ERROR) { |
| 581 | 1899 ngx_http_upstream_finalize_request(r, u, 0); |
| 1900 return; | |
| 1901 } | |
| 1902 | |
|
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|
1903 if (upstream->read->active && !upstream->read->ready) { |
| 884 | 1904 ngx_add_timer(upstream->read, u->conf->read_timeout); |
| 1905 | |
| 1906 } else if (upstream->read->timer_set) { | |
| 1907 ngx_del_timer(upstream->read); | |
| 581 | 1908 } |
| 1909 } | |
| 1910 | |
| 1911 | |
| 1912 static ngx_int_t | |
| 1913 ngx_http_upstream_non_buffered_filter_init(void *data) | |
| 1914 { | |
| 1915 return NGX_OK; | |
| 1916 } | |
| 1917 | |
| 1918 | |
| 1919 static ngx_int_t | |
| 1920 ngx_http_upstream_non_buffered_filter(void *data, ssize_t bytes) | |
| 1921 { | |
| 1922 ngx_http_request_t *r = data; | |
| 1923 | |
| 1924 ngx_buf_t *b; | |
| 1925 ngx_chain_t *cl, **ll; | |
| 1926 ngx_http_upstream_t *u; | |
| 1927 | |
| 1928 u = r->upstream; | |
| 1929 | |
| 1930 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
| 1931 ll = &cl->next; | |
| 1932 } | |
| 1933 | |
| 1934 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
| 1935 if (cl == NULL) { | |
| 1936 return NGX_ERROR; | |
| 1937 } | |
| 1938 | |
| 1939 *ll = cl; | |
| 1940 | |
| 1941 cl->buf->flush = 1; | |
| 1942 cl->buf->memory = 1; | |
| 1943 | |
| 1944 b = &u->buffer; | |
| 1945 | |
| 1946 cl->buf->pos = b->last; | |
| 1947 b->last += bytes; | |
| 1948 cl->buf->last = b->last; | |
|
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diff
changeset
|
1949 cl->buf->tag = u->output.tag; |
| 581 | 1950 |
| 1951 if (u->length == NGX_MAX_SIZE_T_VALUE) { | |
| 1952 return NGX_OK; | |
| 1953 } | |
| 1954 | |
| 1955 u->length -= bytes; | |
| 1956 | |
| 1957 return NGX_OK; | |
| 1958 } | |
| 1959 | |
| 1960 | |
| 1961 static void | |
| 509 | 1962 ngx_http_upstream_process_downstream(ngx_http_request_t *r) |
| 1963 { | |
| 1964 ngx_http_upstream_process_body(r->connection->write); | |
| 1965 } | |
| 1966 | |
| 1967 | |
| 1968 static void | |
| 487 | 1969 ngx_http_upstream_process_body(ngx_event_t *ev) |
| 479 | 1970 { |
|
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|
1971 ngx_temp_file_t *tf; |
| 509 | 1972 ngx_event_pipe_t *p; |
| 583 | 1973 ngx_connection_t *c, *downstream; |
| 1098 | 1974 ngx_http_log_ctx_t *ctx; |
| 479 | 1975 ngx_http_request_t *r; |
| 1976 ngx_http_upstream_t *u; | |
| 1977 | |
| 1978 c = ev->data; | |
| 1979 r = c->data; | |
| 1980 u = r->upstream; | |
| 583 | 1981 downstream = r->connection; |
| 479 | 1982 |
| 1983 if (ev->write) { | |
| 483 | 1984 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 1985 "http upstream process downstream"); | |
| 1986 c->log->action = "sending to client"; | |
| 577 | 1987 |
| 479 | 1988 } else { |
| 483 | 1989 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 1990 "http upstream process upstream"); | |
| 1991 c->log->action = "reading upstream"; | |
| 1098 | 1992 |
| 1993 ctx = c->log->data; | |
| 1994 ctx->current_request = r; | |
| 479 | 1995 } |
| 577 | 1996 |
| 581 | 1997 p = u->pipe; |
| 479 | 1998 |
| 1999 if (ev->timedout) { | |
| 2000 if (ev->write) { | |
| 527 | 2001 if (ev->delayed) { |
| 2002 | |
| 2003 ev->timedout = 0; | |
| 2004 ev->delayed = 0; | |
| 2005 | |
| 2006 if (!ev->ready) { | |
| 2007 ngx_add_timer(ev, p->send_timeout); | |
| 2008 | |
| 2009 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) | |
| 2010 { | |
| 2011 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2012 return; | |
| 2013 } | |
| 2014 | |
| 2015 return; | |
| 2016 } | |
| 2017 | |
| 2018 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { | |
| 583 | 2019 |
| 2020 if (downstream->destroyed) { | |
| 2021 return; | |
| 2022 } | |
| 2023 | |
| 527 | 2024 ngx_http_upstream_finalize_request(r, u, 0); |
| 2025 return; | |
| 2026 } | |
| 2027 | |
| 2028 } else { | |
| 2029 p->downstream_error = 1; | |
| 577 | 2030 c->timedout = 1; |
| 611 | 2031 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
| 527 | 2032 } |
| 479 | 2033 |
| 2034 } else { | |
| 577 | 2035 p->upstream_error = 1; |
| 611 | 2036 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
| 479 | 2037 } |
| 2038 | |
| 2039 } else { | |
| 527 | 2040 if (ev->write && ev->delayed) { |
| 2041 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 2042 "http downstream delayed"); | |
| 2043 | |
| 2044 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) { | |
| 2045 return; | |
| 2046 } | |
| 2047 | |
| 2048 return; | |
| 2049 } | |
| 2050 | |
| 479 | 2051 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { |
| 583 | 2052 |
| 2053 if (downstream->destroyed) { | |
| 2054 return; | |
| 2055 } | |
| 2056 | |
| 479 | 2057 ngx_http_upstream_finalize_request(r, u, 0); |
| 2058 return; | |
| 2059 } | |
| 2060 } | |
| 577 | 2061 |
| 479 | 2062 if (u->peer.connection) { |
| 2063 | |
|
1291
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proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2064 if (u->store) { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2065 |
|
1885
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
2066 tf = u->pipe->temp_file; |
|
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parents:
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diff
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|
2067 |
|
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parents:
1777
diff
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|
2068 if (p->upstream_eof |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
2069 && u->headers_in.status_n == NGX_HTTP_OK |
|
e5897822515f
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Igor Sysoev <igor@sysoev.ru>
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1777
diff
changeset
|
2070 && (u->headers_in.content_length_n == -1 |
|
e5897822515f
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parents:
1777
diff
changeset
|
2071 || (u->headers_in.content_length_n == tf->offset))) |
|
e5897822515f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2072 { |
|
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2073 ngx_http_upstream_store(r, u); |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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1284
diff
changeset
|
2074 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2075 } else if ((p->upstream_error |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2076 || (p->upstream_eof |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2077 && u->headers_in.status_n != NGX_HTTP_OK)) |
|
1885
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
2078 && tf->file.fd != NGX_INVALID_FILE) |
|
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2079 { |
|
1885
e5897822515f
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Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
2080 if (ngx_delete_file(tf->file.name.data) == NGX_FILE_ERROR) { |
|
e5897822515f
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2081 |
|
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2082 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2083 ngx_delete_file_n " \"%s\" failed", |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2084 u->pipe->temp_file->file.name.data); |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2085 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2086 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2087 } |
|
13a4ce6e7f1e
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parents:
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diff
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|
2088 |
| 479 | 2089 #if (NGX_HTTP_FILE_CACHE) |
| 2090 | |
| 1565 | 2091 if (p->upstream_done && u->cacheable) { |
| 479 | 2092 if (ngx_http_cache_update(r) == NGX_ERROR) { |
| 2093 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2094 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2095 return; | |
| 2096 } | |
| 2097 | |
| 1565 | 2098 } else if (p->upstream_eof && u->cacheable) { |
| 479 | 2099 |
| 2100 /* TODO: check length & update cache */ | |
| 2101 | |
| 2102 if (ngx_http_cache_update(r) == NGX_ERROR) { | |
| 2103 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2104 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2105 return; | |
| 2106 } | |
| 2107 } | |
| 2108 | |
| 2109 #endif | |
| 2110 | |
| 2111 if (p->upstream_done || p->upstream_eof || p->upstream_error) { | |
| 483 | 2112 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 2113 "http upstream exit: %p", p->out); | |
| 479 | 2114 #if 0 |
| 2115 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2116 #endif | |
| 2117 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2118 return; | |
| 2119 } | |
| 2120 } | |
| 2121 | |
| 2122 if (p->downstream_error) { | |
| 483 | 2123 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 2124 "http upstream downstream error"); | |
| 479 | 2125 |
| 1565 | 2126 if (!u->cacheable && u->peer.connection) { |
| 479 | 2127 ngx_http_upstream_finalize_request(r, u, 0); |
| 2128 } | |
| 2129 } | |
| 2130 } | |
| 2131 | |
| 2132 | |
| 487 | 2133 static void |
|
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1284
diff
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|
2134 ngx_http_upstream_store(ngx_http_request_t *r, ngx_http_upstream_t *u) |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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parents:
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changeset
|
2135 { |
|
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
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|
2136 size_t root; |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2137 time_t lm; |
|
94b03bbd328e
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diff
changeset
|
2138 ngx_str_t path; |
|
94b03bbd328e
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parents:
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diff
changeset
|
2139 ngx_temp_file_t *tf; |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
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parents:
1916
diff
changeset
|
2140 ngx_ext_rename_file_t ext; |
|
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|
2141 |
| 1777 | 2142 tf = u->pipe->temp_file; |
| 2143 | |
| 2144 if (tf->file.fd == NGX_INVALID_FILE) { | |
|
1291
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proxy_store and fastcgi_store
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|
2145 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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diff
changeset
|
2146 /* create file for empty 200 response */ |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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parents:
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|
2147 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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1284
diff
changeset
|
2148 tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
|
13a4ce6e7f1e
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parents:
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diff
changeset
|
2149 if (tf == NULL) { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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|
2150 return; |
|
13a4ce6e7f1e
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|
2151 } |
|
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|
2152 |
|
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2153 tf->file.fd = NGX_INVALID_FILE; |
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proxy_store and fastcgi_store
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2154 tf->file.log = r->connection->log; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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changeset
|
2155 tf->path = u->conf->temp_path; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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diff
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|
2156 tf->pool = r->pool; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2157 tf->persistent = 1; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
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|
2158 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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1284
diff
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|
2159 if (ngx_create_temp_file(&tf->file, tf->path, tf->pool, |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2160 tf->persistent, tf->clean, tf->access) |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
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|
2161 != NGX_OK) |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2162 { |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2163 return; |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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diff
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|
2164 } |
|
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proxy_store and fastcgi_store
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diff
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|
2165 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2166 u->pipe->temp_file = tf; |
|
13a4ce6e7f1e
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2167 } |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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parents:
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diff
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|
2168 |
|
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
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|
2169 ext.access = u->conf->store_access; |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2170 ext.time = -1; |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
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diff
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|
2171 ext.create_path = 1; |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2172 ext.delete_file = 1; |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2173 ext.log = r->connection->log; |
|
1291
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|
2174 |
| 1705 | 2175 if (u->headers_in.last_modified) { |
| 2176 | |
|
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
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diff
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|
2177 lm = ngx_http_parse_time(u->headers_in.last_modified->value.data, |
|
94b03bbd328e
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|
2178 u->headers_in.last_modified->value.len); |
|
1291
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|
2179 |
|
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|
2180 if (lm != NGX_ERROR) { |
|
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
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|
2181 ext.time = lm; |
|
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|
2182 ext.fd = tf->file.fd; |
|
1291
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|
2183 } |
|
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|
2184 } |
|
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|
2185 |
|
1295
5383f5232364
proxy_store and fastcgi_store were changed,
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diff
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|
2186 if (u->conf->store_lengths == NULL) { |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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diff
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|
2187 |
|
5383f5232364
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|
2188 ngx_http_map_uri_to_path(r, &path, &root, 0); |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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|
2189 |
|
5383f5232364
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|
2190 } else { |
|
5383f5232364
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diff
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|
2191 if (ngx_http_script_run(r, &path, u->conf->store_lengths->elts, 0, |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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|
2192 u->conf->store_values->elts) |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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|
2193 == NULL) |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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parents:
1291
diff
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|
2194 { |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2195 return; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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parents:
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diff
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|
2196 } |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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parents:
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|
2197 } |
|
1291
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|
2198 |
|
13a4ce6e7f1e
proxy_store and fastcgi_store
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|
2199 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
|
1947
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use ngx_ext_rename_file() in proxy/fastcgi_store
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diff
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|
2200 "upstream stores \"%s\" to \"%s\"", |
|
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
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|
2201 tf->file.name.data, path.data); |
|
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use ngx_ext_rename_file() in proxy/fastcgi_store
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|
2202 |
|
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use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
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|
2203 (void) ngx_ext_rename_file(&tf->file.name, &path, &ext); |
|
1291
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|
2204 } |
|
13a4ce6e7f1e
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|
2205 |
|
13a4ce6e7f1e
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|
2206 |
|
13a4ce6e7f1e
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|
2207 static void |
| 487 | 2208 ngx_http_upstream_dummy_handler(ngx_event_t *wev) |
| 479 | 2209 { |
| 2210 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
| 2211 "http upstream dummy handler"); | |
| 2212 } | |
| 2213 | |
| 2214 | |
| 487 | 2215 static void |
| 2216 ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u, | |
| 2217 ngx_uint_t ft_type) | |
| 479 | 2218 { |
| 884 | 2219 ngx_uint_t status, state; |
| 479 | 2220 |
| 2221 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 884 | 2222 "http next upstream, %xi", ft_type); |
| 479 | 2223 |
| 2224 #if 0 | |
| 2225 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2226 #endif | |
| 2227 | |
| 525 | 2228 if (ft_type == NGX_HTTP_UPSTREAM_FT_HTTP_404) { |
| 884 | 2229 state = NGX_PEER_NEXT; |
| 525 | 2230 } else { |
| 884 | 2231 state = NGX_PEER_FAILED; |
| 479 | 2232 } |
| 525 | 2233 |
| 1378 | 2234 if (ft_type != NGX_HTTP_UPSTREAM_FT_NOLIVE) { |
| 2235 u->peer.free(&u->peer, u->peer.data, state); | |
| 2236 } | |
| 525 | 2237 |
| 479 | 2238 if (ft_type == NGX_HTTP_UPSTREAM_FT_TIMEOUT) { |
| 2239 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ETIMEDOUT, | |
| 2240 "upstream timed out"); | |
| 2241 } | |
| 577 | 2242 |
| 479 | 2243 if (u->peer.cached && ft_type == NGX_HTTP_UPSTREAM_FT_ERROR) { |
| 2244 status = 0; | |
| 2245 | |
| 2246 } else { | |
| 2247 switch(ft_type) { | |
| 2248 | |
| 2249 case NGX_HTTP_UPSTREAM_FT_TIMEOUT: | |
| 2250 status = NGX_HTTP_GATEWAY_TIME_OUT; | |
| 2251 break; | |
| 2252 | |
| 2253 case NGX_HTTP_UPSTREAM_FT_HTTP_500: | |
| 2254 status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 2255 break; | |
| 2256 | |
| 2257 case NGX_HTTP_UPSTREAM_FT_HTTP_404: | |
| 2258 status = NGX_HTTP_NOT_FOUND; | |
| 2259 break; | |
| 2260 | |
| 2261 /* | |
| 2262 * NGX_HTTP_UPSTREAM_FT_BUSY_LOCK and NGX_HTTP_UPSTREAM_FT_MAX_WAITING | |
| 2263 * never reach here | |
| 2264 */ | |
| 2265 | |
| 2266 default: | |
| 2267 status = NGX_HTTP_BAD_GATEWAY; | |
| 2268 } | |
| 2269 } | |
| 2270 | |
| 583 | 2271 if (r->connection->error) { |
| 479 | 2272 ngx_http_upstream_finalize_request(r, u, |
| 2273 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 2274 return; | |
| 2275 } | |
| 2276 | |
| 2277 if (status) { | |
| 2278 u->state->status = status; | |
| 2279 | |
| 525 | 2280 if (u->peer.tries == 0 || !(u->conf->next_upstream & ft_type)) { |
| 479 | 2281 |
| 2282 #if (NGX_HTTP_CACHE) | |
| 2283 | |
| 2284 if (u->stale && (u->conf->use_stale & ft_type)) { | |
| 2285 ngx_http_upstream_finalize_request(r, u, | |
| 525 | 2286 ngx_http_send_cached_response(r)); |
| 479 | 2287 return; |
| 2288 } | |
| 2289 | |
| 2290 #endif | |
| 2291 | |
| 2292 ngx_http_upstream_finalize_request(r, u, status); | |
| 2293 return; | |
| 2294 } | |
| 2295 } | |
| 2296 | |
| 2297 if (u->peer.connection) { | |
| 2298 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2299 "close http upstream connection: %d", | |
| 2300 u->peer.connection->fd); | |
| 577 | 2301 #if (NGX_HTTP_SSL) |
| 884 | 2302 |
| 577 | 2303 if (u->peer.connection->ssl) { |
| 884 | 2304 u->peer.connection->ssl->no_wait_shutdown = 1; |
| 2305 u->peer.connection->ssl->no_send_shutdown = 1; | |
| 2306 | |
| 2307 (void) ngx_ssl_shutdown(u->peer.connection); | |
| 577 | 2308 } |
| 2309 #endif | |
| 884 | 2310 |
| 479 | 2311 ngx_close_connection(u->peer.connection); |
| 2312 } | |
| 2313 | |
| 2314 #if 0 | |
| 2315 if (u->conf->busy_lock && !u->busy_locked) { | |
| 2316 ngx_http_upstream_busy_lock(p); | |
| 2317 return; | |
| 2318 } | |
| 2319 #endif | |
| 2320 | |
| 2321 ngx_http_upstream_connect(r, u); | |
| 2322 } | |
| 2323 | |
| 2324 | |
| 487 | 2325 static void |
| 569 | 2326 ngx_http_upstream_cleanup(void *data) |
| 2327 { | |
| 2328 ngx_http_request_t *r = data; | |
| 2329 | |
| 1705 | 2330 ngx_http_upstream_t *u; |
| 2331 | |
| 569 | 2332 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2333 "cleanup http upstream request: \"%V\"", &r->uri); | |
| 2334 | |
| 1705 | 2335 u = r->upstream; |
| 2336 | |
| 2337 if (u->resolved && u->resolved->ctx) { | |
| 2338 ngx_resolve_name_done(u->resolved->ctx); | |
| 1658 | 2339 } |
| 2340 | |
| 1705 | 2341 ngx_http_upstream_finalize_request(r, u, NGX_DONE); |
| 569 | 2342 } |
| 2343 | |
| 2344 | |
| 2345 static void | |
| 487 | 2346 ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
| 2347 ngx_http_upstream_t *u, ngx_int_t rc) | |
| 479 | 2348 { |
|
889
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the previous fix does not actually fix overflow
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diff
changeset
|
2349 ngx_time_t *tp; |
| 563 | 2350 |
| 483 | 2351 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2352 "finalize http upstream request: %i", rc); | |
| 479 | 2353 |
| 569 | 2354 *u->cleanup = NULL; |
| 2355 | |
| 1658 | 2356 if (u->state && u->state->response_sec) { |
| 563 | 2357 tp = ngx_timeofday(); |
|
889
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diff
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|
2358 u->state->response_sec = tp->sec - u->state->response_sec; |
|
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|
2359 u->state->response_msec = tp->msec - u->state->response_msec; |
| 563 | 2360 } |
| 2361 | |
| 479 | 2362 u->finalize_request(r, rc); |
| 2363 | |
| 1658 | 2364 if (u->peer.free) { |
| 2365 u->peer.free(&u->peer, u->peer.data, 0); | |
| 2366 } | |
| 884 | 2367 |
| 479 | 2368 if (u->peer.connection) { |
| 884 | 2369 |
| 577 | 2370 #if (NGX_HTTP_SSL) |
| 2371 | |
| 2372 /* TODO: do not shutdown persistent connection */ | |
| 2373 | |
| 2374 if (u->peer.connection->ssl) { | |
| 884 | 2375 |
| 2376 /* | |
| 2377 * We send the "close notify" shutdown alert to the upstream only | |
| 2378 * and do not wait its "close notify" shutdown alert. | |
| 2379 * It is acceptable according to the TLS standard. | |
| 2380 */ | |
| 2381 | |
| 2382 u->peer.connection->ssl->no_wait_shutdown = 1; | |
| 2383 | |
| 2384 (void) ngx_ssl_shutdown(u->peer.connection); | |
| 577 | 2385 } |
| 2386 #endif | |
| 884 | 2387 |
| 2388 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2389 "close http upstream connection: %d", | |
| 2390 u->peer.connection->fd); | |
| 2391 | |
| 479 | 2392 ngx_close_connection(u->peer.connection); |
| 2393 } | |
| 2394 | |
| 483 | 2395 u->peer.connection = NULL; |
| 2396 | |
| 563 | 2397 if (u->header_sent && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE)) |
| 479 | 2398 { |
| 2399 rc = 0; | |
| 2400 } | |
| 2401 | |
| 581 | 2402 if (u->pipe && u->pipe->temp_file) { |
| 479 | 2403 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2404 "http upstream temp fd: %d", | |
| 581 | 2405 u->pipe->temp_file->file.fd); |
| 479 | 2406 } |
| 2407 | |
| 2408 #if 0 | |
| 2409 if (u->cache) { | |
| 2410 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 483 | 2411 "http upstream cache fd: %d", |
| 479 | 2412 u->cache->ctx.file.fd); |
| 2413 } | |
| 2414 #endif | |
| 2415 | |
| 515 | 2416 if (rc == NGX_DECLINED) { |
| 2417 return; | |
| 2418 } | |
| 2419 | |
| 483 | 2420 r->connection->log->action = "sending to client"; |
| 2421 | |
|
1259
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|
2422 if (rc == 0) { |
|
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2423 if (r == r->main) { |
|
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diff
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|
2424 if (!r->post_action) { |
|
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diff
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|
2425 rc = ngx_http_send_special(r, NGX_HTTP_LAST); |
|
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|
2426 } |
|
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|
2427 |
|
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diff
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|
2428 } else { |
|
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diff
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|
2429 if (r->out) { |
|
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diff
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|
2430 rc = NGX_AGAIN; |
|
05b5236c2ff5
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|
2431 } |
|
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|
2432 } |
| 479 | 2433 } |
| 2434 | |
| 2435 ngx_http_finalize_request(r, rc); | |
| 2436 } | |
| 2437 | |
| 2438 | |
| 509 | 2439 static ngx_int_t |
| 2440 ngx_http_upstream_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2441 ngx_uint_t offset) | |
| 577 | 2442 { |
| 509 | 2443 ngx_table_elt_t **ph; |
| 577 | 2444 |
| 509 | 2445 ph = (ngx_table_elt_t **) ((char *) &r->upstream->headers_in + offset); |
| 2446 | |
| 2447 if (*ph == NULL) { | |
| 2448 *ph = h; | |
| 2449 } | |
| 2450 | |
| 2451 return NGX_OK; | |
| 2452 } | |
| 2453 | |
| 2454 | |
| 2455 static ngx_int_t | |
| 2456 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
| 2457 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2458 { | |
| 2459 ngx_array_t *pa; | |
| 2460 ngx_table_elt_t **ph; | |
| 2461 | |
| 2462 pa = (ngx_array_t *) ((char *) &r->upstream->headers_in + offset); | |
| 2463 | |
| 2464 if (pa->elts == NULL) { | |
| 2465 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
| 2466 { | |
| 2467 return NGX_ERROR; | |
| 2468 } | |
| 2469 } | |
| 2470 | |
| 2471 ph = ngx_array_push(pa); | |
| 2472 if (ph == NULL) { | |
| 2473 return NGX_ERROR; | |
| 2474 } | |
| 2475 | |
| 2476 *ph = h; | |
| 2477 | |
| 2478 return NGX_OK; | |
| 2479 } | |
| 2480 | |
| 2481 | |
| 2482 static ngx_int_t | |
| 2483 ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2484 ngx_uint_t offset) | |
| 2485 { | |
| 2486 return NGX_OK; | |
| 2487 } | |
| 2488 | |
| 2489 | |
| 2490 static ngx_int_t | |
| 527 | 2491 ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2492 ngx_uint_t offset) | |
| 577 | 2493 { |
| 527 | 2494 ngx_int_t n; |
| 2495 | |
| 2496 r->upstream->headers_in.x_accel_limit_rate = h; | |
| 2497 | |
| 2498 n = ngx_atoi(h->value.data, h->value.len); | |
| 2499 | |
| 2500 if (n != NGX_ERROR) { | |
| 2501 r->limit_rate = (size_t) n; | |
| 2502 } | |
| 2503 | |
| 2504 return NGX_OK; | |
| 2505 } | |
| 2506 | |
| 2507 | |
| 2508 static ngx_int_t | |
| 649 | 2509 ngx_http_upstream_process_buffering(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2510 ngx_uint_t offset) | |
| 2511 { | |
| 2512 u_char c0, c1, c2; | |
| 2513 | |
| 2514 if (r->upstream->conf->change_buffering) { | |
| 2515 | |
| 2516 if (h->value.len == 2) { | |
| 2517 c0 = ngx_tolower(h->value.data[0]); | |
| 2518 c1 = ngx_tolower(h->value.data[1]); | |
| 2519 | |
| 2520 if (c0 == 'n' && c1 == 'o') { | |
| 2521 r->upstream->buffering = 0; | |
| 2522 } | |
| 2523 | |
| 2524 } else if (h->value.len == 3) { | |
| 2525 c0 = ngx_tolower(h->value.data[0]); | |
| 2526 c1 = ngx_tolower(h->value.data[1]); | |
| 2527 c2 = ngx_tolower(h->value.data[2]); | |
| 2528 | |
| 2529 if (c0 == 'y' && c1 == 'e' && c2 == 's') { | |
| 2530 r->upstream->buffering = 1; | |
| 2531 } | |
| 2532 } | |
| 2533 } | |
| 2534 | |
| 2535 return NGX_OK; | |
| 2536 } | |
| 2537 | |
| 2538 | |
| 2539 static ngx_int_t | |
| 657 | 2540 ngx_http_upstream_process_charset(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2541 ngx_uint_t offset) | |
| 2542 { | |
| 2543 r->headers_out.override_charset = &h->value; | |
| 2544 | |
| 2545 return NGX_OK; | |
| 2546 } | |
| 2547 | |
| 2548 | |
| 2549 static ngx_int_t | |
| 509 | 2550 ngx_http_upstream_copy_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2551 ngx_uint_t offset) | |
| 2552 { | |
| 573 | 2553 ngx_table_elt_t *ho, **ph; |
| 509 | 2554 |
| 2555 ho = ngx_list_push(&r->headers_out.headers); | |
| 2556 if (ho == NULL) { | |
| 2557 return NGX_ERROR; | |
| 2558 } | |
| 2559 | |
| 2560 *ho = *h; | |
| 2561 | |
| 573 | 2562 if (offset) { |
| 2563 ph = (ngx_table_elt_t **) ((char *) &r->headers_out + offset); | |
| 2564 *ph = ho; | |
| 2565 } | |
| 2566 | |
| 509 | 2567 return NGX_OK; |
| 2568 } | |
| 2569 | |
| 2570 | |
| 2571 static ngx_int_t | |
| 2572 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
| 2573 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2574 { | |
| 2575 ngx_array_t *pa; | |
| 2576 ngx_table_elt_t *ho, **ph; | |
| 2577 | |
| 2578 pa = (ngx_array_t *) ((char *) &r->headers_out + offset); | |
| 2579 | |
| 2580 if (pa->elts == NULL) { | |
| 2581 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
| 2582 { | |
| 2583 return NGX_ERROR; | |
| 2584 } | |
| 2585 } | |
| 2586 | |
| 2587 ph = ngx_array_push(pa); | |
| 2588 if (ph == NULL) { | |
| 2589 return NGX_ERROR; | |
| 2590 } | |
| 2591 | |
| 2592 ho = ngx_list_push(&r->headers_out.headers); | |
| 2593 if (ho == NULL) { | |
| 2594 return NGX_ERROR; | |
| 2595 } | |
| 2596 | |
| 2597 *ho = *h; | |
| 2598 *ph = ho; | |
| 2599 | |
| 2600 return NGX_OK; | |
| 2601 } | |
| 2602 | |
| 2603 | |
| 2604 static ngx_int_t | |
| 2605 ngx_http_upstream_copy_content_type(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2606 ngx_uint_t offset) | |
| 2607 { | |
| 657 | 2608 u_char *p, *last; |
| 2609 | |
| 2610 r->headers_out.content_type_len = h->value.len; | |
| 509 | 2611 r->headers_out.content_type = h->value; |
| 2612 | |
| 657 | 2613 for (p = h->value.data; *p; p++) { |
| 2614 | |
| 2615 if (*p != ';') { | |
| 2616 continue; | |
| 2617 } | |
| 2618 | |
| 2619 last = p; | |
| 2620 | |
| 2621 while (*++p == ' ') { /* void */ } | |
| 2622 | |
| 1968 | 2623 if (*p == '\0') { |
| 2624 return NGX_OK; | |
| 2625 } | |
| 2626 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1098
diff
changeset
|
2627 if (ngx_strncasecmp(p, (u_char *) "charset=", 8) != 0) { |
| 657 | 2628 continue; |
| 2629 } | |
| 2630 | |
| 2631 p += 8; | |
| 2632 | |
| 2633 r->headers_out.content_type_len = last - h->value.data; | |
| 2634 | |
| 2635 r->headers_out.charset.len = h->value.data + h->value.len - p; | |
| 2636 r->headers_out.charset.data = p; | |
|
1143
c6c42497106c
fix segfault if upstream sends trailing ";" in "charset="
Igor Sysoev <igor@sysoev.ru>
parents:
1109
diff
changeset
|
2637 |
|
c6c42497106c
fix segfault if upstream sends trailing ";" in "charset="
Igor Sysoev <igor@sysoev.ru>
parents:
1109
diff
changeset
|
2638 return NGX_OK; |
| 657 | 2639 } |
| 2640 | |
| 509 | 2641 return NGX_OK; |
| 2642 } | |
| 2643 | |
| 2644 | |
| 2645 static ngx_int_t | |
| 2646 ngx_http_upstream_copy_content_length(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2647 ngx_uint_t offset) | |
| 2648 { | |
| 2649 ngx_table_elt_t *ho; | |
| 2650 | |
| 2651 ho = ngx_list_push(&r->headers_out.headers); | |
| 2652 if (ho == NULL) { | |
| 2653 return NGX_ERROR; | |
| 2654 } | |
| 2655 | |
| 2656 *ho = *h; | |
| 2657 | |
| 2658 r->headers_out.content_length = ho; | |
| 2659 r->headers_out.content_length_n = ngx_atoof(h->value.data, h->value.len); | |
| 2660 | |
| 2661 return NGX_OK; | |
| 2662 } | |
| 2663 | |
| 2664 | |
| 2665 static ngx_int_t | |
| 2666 ngx_http_upstream_rewrite_location(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2667 ngx_uint_t offset) | |
| 2668 { | |
| 2669 ngx_int_t rc; | |
| 2670 ngx_table_elt_t *ho; | |
| 2671 | |
| 2672 ho = ngx_list_push(&r->headers_out.headers); | |
| 2673 if (ho == NULL) { | |
| 2674 return NGX_ERROR; | |
| 2675 } | |
| 2676 | |
| 2677 *ho = *h; | |
| 2678 | |
| 2679 if (r->upstream->rewrite_redirect) { | |
| 2680 rc = r->upstream->rewrite_redirect(r, ho, 0); | |
| 2681 | |
| 529 | 2682 if (rc == NGX_DECLINED) { |
| 2683 return NGX_OK; | |
| 2684 } | |
| 2685 | |
| 509 | 2686 if (rc == NGX_OK) { |
| 2687 r->headers_out.location = ho; | |
| 2688 | |
| 2689 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2690 "rewritten location: \"%V\"", &ho->value); | |
| 2691 } | |
| 2692 | |
| 2693 return rc; | |
| 2694 } | |
| 2695 | |
|
1653
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2696 if (ho->value.data[0] != '/') { |
|
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2697 r->headers_out.location = ho; |
|
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2698 } |
|
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2699 |
| 509 | 2700 /* |
| 2701 * we do not set r->headers_out.location here to avoid the handling | |
| 2702 * the local redirects without a host name by ngx_http_header_filter() | |
| 2703 */ | |
| 2704 | |
| 2705 return NGX_OK; | |
| 2706 } | |
| 2707 | |
| 2708 | |
| 2709 static ngx_int_t | |
| 2710 ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2711 ngx_uint_t offset) | |
| 2712 { | |
| 2713 u_char *p; | |
| 2714 ngx_int_t rc; | |
| 2715 ngx_table_elt_t *ho; | |
| 2716 | |
| 2717 ho = ngx_list_push(&r->headers_out.headers); | |
| 2718 if (ho == NULL) { | |
| 2719 return NGX_ERROR; | |
| 2720 } | |
| 2721 | |
| 2722 *ho = *h; | |
| 2723 | |
| 2724 if (r->upstream->rewrite_redirect) { | |
| 2725 | |
| 1549 | 2726 p = ngx_strcasestrn(ho->value.data, "url=", 4 - 1); |
| 509 | 2727 |
| 2728 if (p) { | |
| 2729 rc = r->upstream->rewrite_redirect(r, ho, p + 4 - ho->value.data); | |
| 2730 | |
| 2731 } else { | |
| 2732 return NGX_OK; | |
| 2733 } | |
| 2734 | |
| 529 | 2735 if (rc == NGX_DECLINED) { |
| 2736 return NGX_OK; | |
| 2737 } | |
| 2738 | |
| 509 | 2739 if (rc == NGX_OK) { |
| 1654 | 2740 r->headers_out.refresh = ho; |
| 2741 | |
| 509 | 2742 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2743 "rewritten refresh: \"%V\"", &ho->value); | |
| 2744 } | |
| 2745 | |
| 2746 return rc; | |
| 2747 } | |
| 2748 | |
| 1654 | 2749 r->headers_out.refresh = ho; |
| 2750 | |
| 509 | 2751 return NGX_OK; |
| 2752 } | |
| 2753 | |
| 2754 | |
| 2755 #if (NGX_HTTP_GZIP) | |
| 2756 | |
| 2757 static ngx_int_t | |
| 2758 ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
| 2759 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2760 { | |
| 2761 ngx_table_elt_t *ho; | |
| 2762 | |
| 2763 ho = ngx_list_push(&r->headers_out.headers); | |
| 2764 if (ho == NULL) { | |
| 2765 return NGX_ERROR; | |
| 2766 } | |
| 2767 | |
| 2768 *ho = *h; | |
| 2769 | |
| 2770 r->headers_out.content_encoding = ho; | |
| 2771 | |
| 2772 return NGX_OK; | |
| 2773 } | |
| 2774 | |
| 2775 #endif | |
| 2776 | |
| 2777 | |
| 487 | 2778 static ngx_int_t |
| 573 | 2779 ngx_http_upstream_add_variables(ngx_conf_t *cf) |
| 479 | 2780 { |
| 880 | 2781 ngx_http_variable_t *var, *v; |
| 479 | 2782 |
| 573 | 2783 for (v = ngx_http_upstream_vars; v->name.len; v++) { |
| 2784 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
| 2785 if (var == NULL) { | |
| 2786 return NGX_ERROR; | |
| 2787 } | |
| 2788 | |
| 637 | 2789 var->get_handler = v->get_handler; |
| 573 | 2790 var->data = v->data; |
| 2791 } | |
| 2792 | |
| 479 | 2793 return NGX_OK; |
| 2794 } | |
| 509 | 2795 |
| 2796 | |
| 573 | 2797 static ngx_int_t |
| 1181 | 2798 ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
| 2799 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2800 { | |
| 2801 u_char *p; | |
| 2802 size_t len; | |
| 2803 ngx_uint_t i; | |
| 2804 ngx_http_upstream_state_t *state; | |
| 2805 | |
| 2806 v->valid = 1; | |
| 1565 | 2807 v->no_cacheable = 0; |
| 1181 | 2808 v->not_found = 0; |
| 2809 | |
| 2810 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { | |
| 2811 v->not_found = 1; | |
| 2812 return NGX_OK; | |
| 2813 } | |
| 2814 | |
| 2815 len = 0; | |
| 2816 state = r->upstream_states->elts; | |
| 2817 | |
| 2818 for (i = 0; i < r->upstream_states->nelts; i++) { | |
| 2819 if (state[i].peer) { | |
| 2820 len += state[i].peer->len + 2; | |
| 2821 | |
| 2822 } else { | |
| 2823 len += 3; | |
| 2824 } | |
| 2825 } | |
| 2826 | |
| 2049 | 2827 p = ngx_pnalloc(r->pool, len); |
| 1181 | 2828 if (p == NULL) { |
| 2829 return NGX_ERROR; | |
| 2830 } | |
| 2831 | |
| 2832 v->data = p; | |
| 2833 | |
| 2834 i = 0; | |
| 2835 | |
| 2836 for ( ;; ) { | |
| 2837 if (state[i].peer) { | |
| 2838 p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len); | |
| 2839 } | |
| 2840 | |
| 2841 if (++i == r->upstream_states->nelts) { | |
| 2842 break; | |
| 2843 } | |
| 2844 | |
| 2845 if (state[i].peer) { | |
| 2846 *p++ = ','; | |
| 2847 *p++ = ' '; | |
| 2848 | |
| 2849 } else { | |
| 2850 *p++ = ' '; | |
| 2851 *p++ = ':'; | |
| 2852 *p++ = ' '; | |
| 2853 | |
| 2854 if (++i == r->upstream_states->nelts) { | |
| 2855 break; | |
| 2856 } | |
| 2857 | |
| 2858 continue; | |
| 2859 } | |
| 2860 } | |
| 2861 | |
| 2862 v->len = p - v->data; | |
| 2863 | |
| 2864 return NGX_OK; | |
| 2865 } | |
| 2866 | |
| 2867 | |
| 2868 static ngx_int_t | |
| 573 | 2869 ngx_http_upstream_status_variable(ngx_http_request_t *r, |
| 2870 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2871 { | |
| 2872 u_char *p; | |
| 2873 size_t len; | |
| 2874 ngx_uint_t i; | |
| 2875 ngx_http_upstream_state_t *state; | |
| 2876 | |
| 2877 v->valid = 1; | |
| 1565 | 2878 v->no_cacheable = 0; |
| 573 | 2879 v->not_found = 0; |
| 2880 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2881 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
| 573 | 2882 v->not_found = 1; |
| 2883 return NGX_OK; | |
| 2884 } | |
| 2885 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2886 len = r->upstream_states->nelts * (3 + 2); |
| 573 | 2887 |
| 2049 | 2888 p = ngx_pnalloc(r->pool, len); |
| 573 | 2889 if (p == NULL) { |
| 2890 return NGX_ERROR; | |
| 2891 } | |
| 2892 | |
| 2893 v->data = p; | |
| 2894 | |
| 2895 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
|
2896 state = r->upstream_states->elts; |
| 573 | 2897 |
| 2898 for ( ;; ) { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2899 if (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
|
2900 p = ngx_sprintf(p, "%ui", state[i].status); |
| 573 | 2901 |
| 2902 } else { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2903 *p++ = '-'; |
| 573 | 2904 } |
| 2905 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2906 if (++i == r->upstream_states->nelts) { |
| 573 | 2907 break; |
| 2908 } | |
| 2909 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2910 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
|
2911 *p++ = ','; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2912 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2913 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2914 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2915 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2916 *p++ = ':'; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2917 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2918 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2919 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
|
2920 break; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2921 } |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2922 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2923 continue; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2924 } |
| 573 | 2925 } |
| 2926 | |
| 2927 v->len = p - v->data; | |
| 2928 | |
| 2929 return NGX_OK; | |
| 2930 } | |
| 2931 | |
| 2932 | |
| 2933 static ngx_int_t | |
| 2934 ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
| 2935 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2936 { | |
| 2937 u_char *p; | |
| 2938 size_t len; | |
| 2939 ngx_uint_t i; | |
|
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2940 ngx_msec_int_t ms; |
| 573 | 2941 ngx_http_upstream_state_t *state; |
| 2942 | |
| 2943 v->valid = 1; | |
| 1565 | 2944 v->no_cacheable = 0; |
| 573 | 2945 v->not_found = 0; |
| 2946 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2947 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
| 573 | 2948 v->not_found = 1; |
| 2949 return NGX_OK; | |
| 2950 } | |
| 2951 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2952 len = r->upstream_states->nelts * (NGX_TIME_T_LEN + 4 + 2); |
| 573 | 2953 |
| 2049 | 2954 p = ngx_pnalloc(r->pool, len); |
| 573 | 2955 if (p == NULL) { |
| 2956 return NGX_ERROR; | |
| 2957 } | |
| 2958 | |
| 2959 v->data = p; | |
| 2960 | |
| 2961 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
|
2962 state = r->upstream_states->elts; |
| 573 | 2963 |
| 2964 for ( ;; ) { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2965 if (state[i].status) { |
| 1640 | 2966 ms = (ngx_msec_int_t) |
| 2967 (state[i].response_sec * 1000 + state[i].response_msec); | |
|
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2968 ms = (ms >= 0) ? ms : 0; |
|
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2969 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
|
2970 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2971 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2972 *p++ = '-'; |
| 573 | 2973 } |
| 2974 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2975 if (++i == r->upstream_states->nelts) { |
| 573 | 2976 break; |
| 2977 } | |
| 2978 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2979 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
|
2980 *p++ = ','; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2981 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2982 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2983 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2984 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2985 *p++ = ':'; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2986 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2987 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2988 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
|
2989 break; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2990 } |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2991 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2992 continue; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2993 } |
| 573 | 2994 } |
| 2995 | |
| 2996 v->len = p - v->data; | |
| 2997 | |
| 2998 return NGX_OK; | |
| 2999 } | |
| 3000 | |
| 3001 | |
| 1162 | 3002 ngx_int_t |
| 3003 ngx_http_upstream_header_variable(ngx_http_request_t *r, | |
| 3004 ngx_http_variable_value_t *v, uintptr_t data) | |
| 3005 { | |
| 3006 if (r->upstream == NULL) { | |
| 3007 v->not_found = 1; | |
| 3008 return NGX_OK; | |
| 3009 } | |
| 3010 | |
| 3011 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 3012 &r->upstream->headers_in.headers.part, | |
| 3013 sizeof("upstream_http_") - 1); | |
| 3014 } | |
| 3015 | |
| 3016 | |
| 651 | 3017 static char * |
| 3018 ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) | |
| 3019 { | |
| 884 | 3020 char *rv; |
| 3021 void *mconf; | |
| 3022 ngx_str_t *value; | |
| 3023 ngx_url_t u; | |
| 3024 ngx_uint_t m; | |
| 3025 ngx_conf_t pcf; | |
| 3026 ngx_http_module_t *module; | |
| 3027 ngx_http_conf_ctx_t *ctx, *http_ctx; | |
| 3028 ngx_http_upstream_srv_conf_t *uscf; | |
| 3029 | |
| 3030 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 3031 | |
| 3032 value = cf->args->elts; | |
| 3033 u.host = value[1]; | |
| 3034 u.no_resolve = 1; | |
| 3035 | |
| 3036 uscf = ngx_http_upstream_add(cf, &u, NGX_HTTP_UPSTREAM_CREATE | |
| 3037 |NGX_HTTP_UPSTREAM_WEIGHT | |
| 3038 |NGX_HTTP_UPSTREAM_MAX_FAILS | |
| 3039 |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT | |
| 3040 |NGX_HTTP_UPSTREAM_DOWN | |
| 3041 |NGX_HTTP_UPSTREAM_BACKUP); | |
| 3042 if (uscf == NULL) { | |
| 3043 return NGX_CONF_ERROR; | |
| 3044 } | |
| 3045 | |
| 651 | 3046 |
| 3047 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); | |
| 3048 if (ctx == NULL) { | |
| 3049 return NGX_CONF_ERROR; | |
| 3050 } | |
| 3051 | |
| 884 | 3052 http_ctx = cf->ctx; |
| 3053 ctx->main_conf = http_ctx->main_conf; | |
| 651 | 3054 |
| 3055 /* the upstream{}'s srv_conf */ | |
| 3056 | |
| 3057 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| 3058 if (ctx->srv_conf == NULL) { | |
| 3059 return NGX_CONF_ERROR; | |
| 3060 } | |
| 3061 | |
| 3062 ctx->srv_conf[ngx_http_upstream_module.ctx_index] = uscf; | |
| 3063 | |
| 884 | 3064 uscf->srv_conf = ctx->srv_conf; |
| 3065 | |
| 651 | 3066 |
| 3067 /* the upstream{}'s loc_conf */ | |
| 3068 | |
| 3069 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| 3070 if (ctx->loc_conf == NULL) { | |
| 3071 return NGX_CONF_ERROR; | |
| 3072 } | |
| 3073 | |
| 3074 for (m = 0; ngx_modules[m]; m++) { | |
| 3075 if (ngx_modules[m]->type != NGX_HTTP_MODULE) { | |
| 3076 continue; | |
| 3077 } | |
| 3078 | |
| 3079 module = ngx_modules[m]->ctx; | |
| 3080 | |
| 884 | 3081 if (module->create_srv_conf) { |
| 3082 mconf = module->create_srv_conf(cf); | |
| 3083 if (mconf == NULL) { | |
| 3084 return NGX_CONF_ERROR; | |
| 3085 } | |
| 3086 | |
| 3087 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
| 3088 } | |
| 3089 | |
| 651 | 3090 if (module->create_loc_conf) { |
| 3091 mconf = module->create_loc_conf(cf); | |
| 3092 if (mconf == NULL) { | |
| 3093 return NGX_CONF_ERROR; | |
| 3094 } | |
| 3095 | |
| 3096 ctx->loc_conf[ngx_modules[m]->ctx_index] = mconf; | |
| 3097 } | |
| 3098 } | |
| 3099 | |
| 3100 | |
| 3101 /* parse inside upstream{} */ | |
| 3102 | |
| 3103 pcf = *cf; | |
| 3104 cf->ctx = ctx; | |
| 3105 cf->cmd_type = NGX_HTTP_UPS_CONF; | |
| 3106 | |
| 3107 rv = ngx_conf_parse(cf, NULL); | |
| 3108 | |
| 3109 *cf = pcf; | |
| 3110 | |
| 3111 if (rv != NGX_CONF_OK) { | |
| 3112 return rv; | |
| 3113 } | |
| 3114 | |
| 3115 if (uscf->servers == NULL) { | |
| 3116 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3117 "no servers are inside upstream"); | |
| 3118 return NGX_CONF_ERROR; | |
| 3119 } | |
| 3120 | |
| 3121 return rv; | |
| 3122 } | |
| 3123 | |
| 3124 | |
| 3125 static char * | |
| 3126 ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 3127 { | |
| 3128 ngx_http_upstream_srv_conf_t *uscf = conf; | |
| 3129 | |
| 884 | 3130 time_t fail_timeout; |
| 3131 ngx_str_t *value, s; | |
| 3132 ngx_url_t u; | |
| 3133 ngx_int_t weight, max_fails; | |
| 3134 ngx_uint_t i; | |
| 3135 ngx_http_upstream_server_t *us; | |
| 651 | 3136 |
| 3137 if (uscf->servers == NULL) { | |
| 884 | 3138 uscf->servers = ngx_array_create(cf->pool, 4, |
| 3139 sizeof(ngx_http_upstream_server_t)); | |
| 651 | 3140 if (uscf->servers == NULL) { |
| 3141 return NGX_CONF_ERROR; | |
| 3142 } | |
| 3143 } | |
| 3144 | |
| 884 | 3145 us = ngx_array_push(uscf->servers); |
| 3146 if (us == NULL) { | |
| 651 | 3147 return NGX_CONF_ERROR; |
| 3148 } | |
| 3149 | |
| 884 | 3150 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); |
| 3151 | |
| 651 | 3152 value = cf->args->elts; |
| 3153 | |
| 3154 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 3155 | |
| 3156 u.url = value[1]; | |
| 906 | 3157 u.default_port = 80; |
| 651 | 3158 |
|
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3159 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
| 651 | 3160 if (u.err) { |
| 3161 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3162 "%s in upstream \"%V\"", u.err, &u.url); | |
| 3163 } | |
| 3164 | |
| 3165 return NGX_CONF_ERROR; | |
| 3166 } | |
| 3167 | |
| 663 | 3168 weight = 1; |
| 884 | 3169 max_fails = 1; |
| 3170 fail_timeout = 10; | |
| 3171 | |
| 3172 for (i = 2; i < cf->args->nelts; i++) { | |
| 3173 | |
| 3174 if (ngx_strncmp(value[i].data, "weight=", 7) == 0) { | |
| 3175 | |
| 3176 if (!(uscf->flags & NGX_HTTP_UPSTREAM_WEIGHT)) { | |
| 3177 goto invalid; | |
| 3178 } | |
| 3179 | |
| 3180 weight = ngx_atoi(&value[i].data[7], value[i].len - 7); | |
| 663 | 3181 |
| 3182 if (weight == NGX_ERROR || weight == 0) { | |
| 3183 goto invalid; | |
| 3184 } | |
| 3185 | |
| 884 | 3186 continue; |
| 3187 } | |
| 3188 | |
| 3189 if (ngx_strncmp(value[i].data, "max_fails=", 10) == 0) { | |
| 3190 | |
| 3191 if (!(uscf->flags & NGX_HTTP_UPSTREAM_MAX_FAILS)) { | |
| 3192 goto invalid; | |
| 3193 } | |
| 3194 | |
| 3195 max_fails = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
| 3196 | |
| 3197 if (max_fails == NGX_ERROR) { | |
| 3198 goto invalid; | |
| 3199 } | |
| 3200 | |
| 3201 continue; | |
| 663 | 3202 } |
| 884 | 3203 |
| 3204 if (ngx_strncmp(value[i].data, "fail_timeout=", 13) == 0) { | |
| 3205 | |
| 3206 if (!(uscf->flags & NGX_HTTP_UPSTREAM_FAIL_TIMEOUT)) { | |
| 3207 goto invalid; | |
| 3208 } | |
| 3209 | |
| 3210 s.len = value[i].len - 13; | |
| 3211 s.data = &value[i].data[13]; | |
| 3212 | |
| 3213 fail_timeout = ngx_parse_time(&s, 1); | |
| 3214 | |
| 1973 | 3215 if (fail_timeout == NGX_ERROR) { |
| 884 | 3216 goto invalid; |
| 3217 } | |
| 3218 | |
| 3219 continue; | |
| 3220 } | |
| 3221 | |
| 1378 | 3222 if (ngx_strncmp(value[i].data, "backup", 6) == 0) { |
| 3223 | |
| 3224 if (!(uscf->flags & NGX_HTTP_UPSTREAM_BACKUP)) { | |
| 3225 goto invalid; | |
| 3226 } | |
| 3227 | |
| 3228 us->backup = 1; | |
| 3229 | |
| 3230 continue; | |
| 3231 } | |
| 3232 | |
| 884 | 3233 if (ngx_strncmp(value[i].data, "down", 4) == 0) { |
| 3234 | |
| 3235 if (!(uscf->flags & NGX_HTTP_UPSTREAM_DOWN)) { | |
| 3236 goto invalid; | |
| 3237 } | |
| 3238 | |
| 3239 us->down = 1; | |
| 3240 | |
| 3241 continue; | |
| 3242 } | |
| 3243 | |
| 3244 goto invalid; | |
| 663 | 3245 } |
| 3246 | |
| 884 | 3247 us->addrs = u.addrs; |
| 3248 us->naddrs = u.naddrs; | |
| 3249 us->weight = weight; | |
| 3250 us->max_fails = max_fails; | |
| 3251 us->fail_timeout = fail_timeout; | |
| 651 | 3252 |
| 3253 return NGX_CONF_OK; | |
| 663 | 3254 |
| 3255 invalid: | |
| 3256 | |
| 884 | 3257 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 3258 "invalid parameter \"%V\"", &value[i]); | |
| 663 | 3259 |
| 3260 return NGX_CONF_ERROR; | |
| 651 | 3261 } |
| 3262 | |
| 3263 | |
| 3264 ngx_http_upstream_srv_conf_t * | |
| 884 | 3265 ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags) |
| 651 | 3266 { |
| 3267 ngx_uint_t i; | |
| 884 | 3268 ngx_http_upstream_server_t *us; |
| 651 | 3269 ngx_http_upstream_srv_conf_t *uscf, **uscfp; |
| 3270 ngx_http_upstream_main_conf_t *umcf; | |
| 3271 | |
| 884 | 3272 if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) { |
| 3273 | |
|
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3274 if (ngx_parse_url(cf->pool, u) != NGX_OK) { |
| 651 | 3275 if (u->err) { |
| 3276 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3277 "%s in upstream \"%V\"", u->err, &u->url); | |
| 3278 } | |
| 3279 | |
| 3280 return NULL; | |
| 3281 } | |
| 3282 } | |
| 3283 | |
| 3284 umcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_upstream_module); | |
| 3285 | |
| 3286 uscfp = umcf->upstreams.elts; | |
| 3287 | |
| 3288 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 906 | 3289 |
| 3290 if (uscfp[i]->host.len != u->host.len | |
| 884 | 3291 || ngx_strncasecmp(uscfp[i]->host.data, u->host.data, u->host.len) |
| 3292 != 0) | |
| 3293 { | |
| 651 | 3294 continue; |
| 3295 } | |
| 3296 | |
| 884 | 3297 if ((flags & NGX_HTTP_UPSTREAM_CREATE) |
| 3298 && (uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE)) | |
| 651 | 3299 { |
| 884 | 3300 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 3301 "duplicate upstream \"%V\"", &u->host); | |
| 3302 return NULL; | |
| 651 | 3303 } |
| 884 | 3304 |
| 906 | 3305 if ((uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE) && u->port) { |
| 884 | 3306 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
| 906 | 3307 "upstream \"%V\" may not have port %d", |
| 3308 &u->host, u->port); | |
| 3309 return NULL; | |
| 3310 } | |
| 3311 | |
| 3312 if ((flags & NGX_HTTP_UPSTREAM_CREATE) && uscfp[i]->port) { | |
| 3313 ngx_log_error(NGX_LOG_WARN, cf->log, 0, | |
| 3314 "upstream \"%V\" may not have port %d in %s:%ui", | |
| 3315 &u->host, uscfp[i]->port, | |
|
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3316 uscfp[i]->file_name, uscfp[i]->line); |
| 906 | 3317 return NULL; |
| 3318 } | |
| 3319 | |
| 3320 if (uscfp[i]->port != u->port) { | |
| 3321 continue; | |
| 884 | 3322 } |
| 3323 | |
| 1340 | 3324 if (uscfp[i]->default_port && u->default_port |
| 3325 && uscfp[i]->default_port != u->default_port) | |
| 3326 { | |
| 3327 continue; | |
| 3328 } | |
| 3329 | |
| 884 | 3330 return uscfp[i]; |
| 651 | 3331 } |
| 3332 | |
| 3333 uscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_srv_conf_t)); | |
| 3334 if (uscf == NULL) { | |
| 3335 return NULL; | |
| 3336 } | |
| 3337 | |
| 884 | 3338 uscf->flags = flags; |
| 651 | 3339 uscf->host = u->host; |
|
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3340 uscf->file_name = cf->conf_file->file.name.data; |
| 651 | 3341 uscf->line = cf->conf_file->line; |
| 906 | 3342 uscf->port = u->port; |
| 3343 uscf->default_port = u->default_port; | |
| 884 | 3344 |
| 3345 if (u->naddrs == 1) { | |
| 3346 uscf->servers = ngx_array_create(cf->pool, 1, | |
| 3347 sizeof(ngx_http_upstream_server_t)); | |
| 3348 if (uscf->servers == NULL) { | |
| 3349 return NGX_CONF_ERROR; | |
| 3350 } | |
| 3351 | |
| 3352 us = ngx_array_push(uscf->servers); | |
| 3353 if (us == NULL) { | |
| 3354 return NGX_CONF_ERROR; | |
| 3355 } | |
| 3356 | |
| 3357 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); | |
| 3358 | |
| 3359 us->addrs = u->addrs; | |
| 3360 us->naddrs = u->naddrs; | |
| 3361 } | |
| 651 | 3362 |
| 3363 uscfp = ngx_array_push(&umcf->upstreams); | |
| 3364 if (uscfp == NULL) { | |
| 3365 return NULL; | |
| 3366 } | |
| 3367 | |
| 3368 *uscfp = uscf; | |
| 3369 | |
| 3370 return uscf; | |
| 3371 } | |
| 3372 | |
| 3373 | |
|
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3374 ngx_int_t |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3375 ngx_http_upstream_hide_headers_hash(ngx_conf_t *cf, |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3376 ngx_http_upstream_conf_t *conf, ngx_http_upstream_conf_t *prev, |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3377 ngx_str_t *default_hide_headers, ngx_hash_init_t *hash) |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3378 { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3379 ngx_str_t *h; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3380 ngx_uint_t i, j; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3381 ngx_array_t hide_headers; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3382 ngx_hash_key_t *hk; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3383 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3384 if (conf->hide_headers == NGX_CONF_UNSET_PTR |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3385 && conf->pass_headers == NGX_CONF_UNSET_PTR) |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3386 { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3387 conf->hide_headers_hash = prev->hide_headers_hash; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3388 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3389 if (conf->hide_headers_hash.buckets) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3390 return NGX_OK; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3391 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3392 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3393 conf->hide_headers = prev->hide_headers; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3394 conf->pass_headers = prev->pass_headers; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3395 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3396 } else { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3397 if (conf->hide_headers == NGX_CONF_UNSET_PTR) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3398 conf->hide_headers = prev->hide_headers; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3399 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3400 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3401 if (conf->pass_headers == NGX_CONF_UNSET_PTR) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3402 conf->pass_headers = prev->pass_headers; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3403 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3404 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3405 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3406 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3407 != NGX_OK) |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3408 { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3409 return NGX_ERROR; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3410 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3411 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3412 for (h = default_hide_headers; h->len; h++) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3413 hk = ngx_array_push(&hide_headers); |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3414 if (hk == NULL) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3415 return NGX_ERROR; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3416 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3417 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3418 hk->key = *h; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3419 hk->key_hash = ngx_hash_key_lc(h->data, h->len); |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3420 hk->value = (void *) 1; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3421 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3422 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3423 if (conf->hide_headers != NGX_CONF_UNSET_PTR) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3424 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3425 h = conf->hide_headers->elts; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3426 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3427 for (i = 0; i < conf->hide_headers->nelts; i++) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3428 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3429 hk = hide_headers.elts; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3430 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3431 for (j = 0; j < hide_headers.nelts; j++) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3432 if (ngx_strcasecmp(h[i].data, hk[j].key.data) == 0) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3433 goto exist; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3434 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3435 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3436 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3437 hk = ngx_array_push(&hide_headers); |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3438 if (hk == NULL) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3439 return NGX_ERROR; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3440 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3441 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3442 hk->key = h[i]; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3443 hk->key_hash = ngx_hash_key_lc(h[i].data, h[i].len); |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3444 hk->value = (void *) 1; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3445 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3446 exist: |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3447 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3448 continue; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3449 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3450 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3451 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3452 if (conf->pass_headers != NGX_CONF_UNSET_PTR) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3453 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3454 h = conf->pass_headers->elts; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3455 hk = hide_headers.elts; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3456 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3457 for (i = 0; i < conf->pass_headers->nelts; i++) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3458 for (j = 0; j < hide_headers.nelts; j++) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3459 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3460 if (hk[j].key.data == NULL) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3461 continue; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3462 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3463 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3464 if (ngx_strcasecmp(h[i].data, hk[j].key.data) == 0) { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3465 hk[j].key.data = NULL; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3466 break; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3467 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3468 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3469 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3470 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3471 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3472 hash->hash = &conf->hide_headers_hash; |
|
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3473 hash->key = ngx_hash_key_lc; |
|
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3474 hash->pool = cf->pool; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3475 hash->temp_pool = NULL; |
|
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3476 |
|
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3477 return ngx_hash_init(hash, hide_headers.elts, hide_headers.nelts); |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3478 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3479 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3480 |
| 509 | 3481 static void * |
| 3482 ngx_http_upstream_create_main_conf(ngx_conf_t *cf) | |
| 3483 { | |
| 3484 ngx_http_upstream_main_conf_t *umcf; | |
| 3485 | |
| 3486 umcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_main_conf_t)); | |
| 3487 if (umcf == NULL) { | |
| 3488 return NULL; | |
| 3489 } | |
| 3490 | |
| 651 | 3491 if (ngx_array_init(&umcf->upstreams, cf->pool, 4, |
| 3492 sizeof(ngx_http_upstream_srv_conf_t *)) | |
| 3493 != NGX_OK) | |
| 3494 { | |
| 3495 return NGX_CONF_ERROR; | |
| 3496 } | |
| 3497 | |
| 509 | 3498 return umcf; |
| 3499 } | |
| 3500 | |
| 3501 | |
| 3502 static char * | |
| 651 | 3503 ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf) |
| 509 | 3504 { |
| 3505 ngx_http_upstream_main_conf_t *umcf = conf; | |
| 3506 | |
| 651 | 3507 ngx_uint_t i; |
| 3508 ngx_array_t headers_in; | |
| 3509 ngx_hash_key_t *hk; | |
| 3510 ngx_hash_init_t hash; | |
| 884 | 3511 ngx_http_upstream_init_pt init; |
| 651 | 3512 ngx_http_upstream_header_t *header; |
| 3513 ngx_http_upstream_srv_conf_t **uscfp; | |
| 3514 | |
| 3515 uscfp = umcf->upstreams.elts; | |
| 3516 | |
| 3517 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 884 | 3518 |
| 3519 init = uscfp[i]->peer.init_upstream ? uscfp[i]->peer.init_upstream: | |
| 3520 ngx_http_upstream_init_round_robin; | |
| 3521 | |
| 3522 if (init(cf, uscfp[i]) != NGX_OK) { | |
| 651 | 3523 return NGX_CONF_ERROR; |
| 3524 } | |
| 3525 } | |
| 649 | 3526 |
| 663 | 3527 |
| 884 | 3528 /* upstream_headers_in_hash */ |
| 3529 | |
| 649 | 3530 if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) |
| 3531 != NGX_OK) | |
| 509 | 3532 { |
| 3533 return NGX_CONF_ERROR; | |
| 3534 } | |
| 3535 | |
| 649 | 3536 for (header = ngx_http_upstream_headers_in; header->name.len; header++) { |
| 3537 hk = ngx_array_push(&headers_in); | |
| 3538 if (hk == NULL) { | |
| 3539 return NGX_CONF_ERROR; | |
| 3540 } | |
| 3541 | |
| 3542 hk->key = header->name; | |
| 3543 hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len); | |
| 3544 hk->value = header; | |
| 3545 } | |
| 3546 | |
| 3547 hash.hash = &umcf->headers_in_hash; | |
| 3548 hash.key = ngx_hash_key_lc; | |
| 3549 hash.max_size = 512; | |
|
751
bae59a740c40
align hash bucket size to cache line
Igor Sysoev <igor@sysoev.ru>
parents:
750
diff
changeset
|
3550 hash.bucket_size = ngx_align(64, ngx_cacheline_size); |
| 649 | 3551 hash.name = "upstream_headers_in_hash"; |
| 3552 hash.pool = cf->pool; | |
| 3553 hash.temp_pool = NULL; | |
| 3554 | |
| 3555 if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) { | |
| 3556 return NGX_CONF_ERROR; | |
| 3557 } | |
| 509 | 3558 |
| 3559 return NGX_CONF_OK; | |
| 3560 } |