Mercurial > hg > nginx
annotate src/http/ngx_http_upstream.c @ 2360:64854406b1f9
read and process upstream header in cycle,
this fixes the case when local FastCGI server sends many warnings in stderr
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 01 Dec 2008 14:08:00 +0000 |
| parents | 3f98400e31e9 |
| children | 87b8c44906b5 |
| rev | line source |
|---|---|
| 479 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 10 | |
| 11 | |
| 1658 | 12 static void ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx); |
| 509 | 13 static void ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r); |
| 14 static void ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r); | |
| 15 static void ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
| 16 ngx_event_t *ev); | |
| 479 | 17 static void ngx_http_upstream_connect(ngx_http_request_t *r, |
| 487 | 18 ngx_http_upstream_t *u); |
| 509 | 19 static ngx_int_t ngx_http_upstream_reinit(ngx_http_request_t *r, |
| 487 | 20 ngx_http_upstream_t *u); |
| 479 | 21 static void ngx_http_upstream_send_request(ngx_http_request_t *r, |
| 487 | 22 ngx_http_upstream_t *u); |
| 479 | 23 static void ngx_http_upstream_send_request_handler(ngx_event_t *wev); |
| 24 static void ngx_http_upstream_process_header(ngx_event_t *rev); | |
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25 static ngx_int_t ngx_http_upstream_test_next(ngx_http_request_t *r, |
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26 ngx_http_upstream_t *u); |
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27 static ngx_int_t ngx_http_upstream_intercept_errors(ngx_http_request_t *r, |
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28 ngx_http_upstream_t *u); |
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29 static ngx_int_t ngx_http_upstream_test_connect(ngx_connection_t *c); |
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30 static void ngx_http_upstream_process_body_in_memory(ngx_event_t *rev); |
| 479 | 31 static void ngx_http_upstream_send_response(ngx_http_request_t *r, |
| 487 | 32 ngx_http_upstream_t *u); |
| 581 | 33 static void |
| 34 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r); | |
| 35 static void ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev); | |
| 36 static ngx_int_t ngx_http_upstream_non_buffered_filter_init(void *data); | |
| 37 static ngx_int_t ngx_http_upstream_non_buffered_filter(void *data, | |
| 38 ssize_t bytes); | |
| 509 | 39 static void ngx_http_upstream_process_downstream(ngx_http_request_t *r); |
| 479 | 40 static void ngx_http_upstream_process_body(ngx_event_t *ev); |
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41 static void ngx_http_upstream_store(ngx_http_request_t *r, |
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42 ngx_http_upstream_t *u); |
| 479 | 43 static void ngx_http_upstream_dummy_handler(ngx_event_t *wev); |
| 44 static void ngx_http_upstream_next(ngx_http_request_t *r, | |
| 487 | 45 ngx_http_upstream_t *u, ngx_uint_t ft_type); |
| 569 | 46 static void ngx_http_upstream_cleanup(void *data); |
| 479 | 47 static void ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
| 487 | 48 ngx_http_upstream_t *u, ngx_int_t rc); |
| 479 | 49 |
| 509 | 50 static ngx_int_t ngx_http_upstream_process_header_line(ngx_http_request_t *r, |
| 51 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 52 static ngx_int_t | |
| 53 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
| 54 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 55 static ngx_int_t ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, | |
| 56 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 527 | 57 static ngx_int_t ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, |
| 58 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 649 | 59 static ngx_int_t ngx_http_upstream_process_buffering(ngx_http_request_t *r, |
| 509 | 60 ngx_table_elt_t *h, ngx_uint_t offset); |
| 657 | 61 static ngx_int_t ngx_http_upstream_process_charset(ngx_http_request_t *r, |
| 62 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 649 | 63 static ngx_int_t ngx_http_upstream_copy_header_line(ngx_http_request_t *r, |
| 509 | 64 ngx_table_elt_t *h, ngx_uint_t offset); |
| 65 static ngx_int_t | |
| 66 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
| 67 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 68 static ngx_int_t ngx_http_upstream_copy_content_type(ngx_http_request_t *r, | |
| 69 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 70 static ngx_int_t ngx_http_upstream_copy_content_length(ngx_http_request_t *r, | |
| 71 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 72 static ngx_int_t ngx_http_upstream_rewrite_location(ngx_http_request_t *r, | |
| 73 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 74 static ngx_int_t ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, | |
| 75 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 76 #if (NGX_HTTP_GZIP) | |
| 77 static ngx_int_t ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
| 78 ngx_table_elt_t *h, ngx_uint_t offset); | |
| 79 #endif | |
| 80 | |
| 573 | 81 static ngx_int_t ngx_http_upstream_add_variables(ngx_conf_t *cf); |
| 1181 | 82 static ngx_int_t ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
| 83 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 84 static ngx_int_t ngx_http_upstream_status_variable(ngx_http_request_t *r, |
| 85 ngx_http_variable_value_t *v, uintptr_t data); | |
| 86 static ngx_int_t ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
| 87 ngx_http_variable_value_t *v, uintptr_t data); | |
| 88 | |
| 651 | 89 static char *ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy); |
| 90 static char *ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 91 void *conf); | |
| 92 | |
| 509 | 93 static void *ngx_http_upstream_create_main_conf(ngx_conf_t *cf); |
| 651 | 94 static char *ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf); |
| 509 | 95 |
| 577 | 96 #if (NGX_HTTP_SSL) |
| 591 | 97 static void ngx_http_upstream_ssl_init_connection(ngx_http_request_t *, |
| 98 ngx_http_upstream_t *u, ngx_connection_t *c); | |
| 577 | 99 static void ngx_http_upstream_ssl_handshake(ngx_connection_t *c); |
| 100 #endif | |
| 101 | |
| 509 | 102 |
| 103 ngx_http_upstream_header_t ngx_http_upstream_headers_in[] = { | |
| 104 | |
| 105 { ngx_string("Status"), | |
| 106 ngx_http_upstream_process_header_line, | |
| 107 offsetof(ngx_http_upstream_headers_in_t, status), | |
| 649 | 108 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 509 | 109 |
| 110 { ngx_string("Content-Type"), | |
| 111 ngx_http_upstream_process_header_line, | |
| 112 offsetof(ngx_http_upstream_headers_in_t, content_type), | |
| 673 | 113 ngx_http_upstream_copy_content_type, 0, 1 }, |
| 509 | 114 |
| 115 { ngx_string("Content-Length"), | |
| 116 ngx_http_upstream_process_header_line, | |
| 117 offsetof(ngx_http_upstream_headers_in_t, content_length), | |
| 515 | 118 ngx_http_upstream_copy_content_length, 0, 0 }, |
| 509 | 119 |
| 120 { ngx_string("Date"), | |
| 121 ngx_http_upstream_process_header_line, | |
| 122 offsetof(ngx_http_upstream_headers_in_t, date), | |
| 649 | 123 ngx_http_upstream_copy_header_line, |
| 124 offsetof(ngx_http_headers_out_t, date), 0 }, | |
| 509 | 125 |
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126 { ngx_string("Last-Modified"), |
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127 ngx_http_upstream_process_header_line, |
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128 offsetof(ngx_http_upstream_headers_in_t, last_modified), |
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129 ngx_http_upstream_copy_header_line, |
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130 offsetof(ngx_http_headers_out_t, last_modified), 0 }, |
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131 |
| 509 | 132 { ngx_string("Server"), |
| 133 ngx_http_upstream_process_header_line, | |
| 134 offsetof(ngx_http_upstream_headers_in_t, server), | |
| 649 | 135 ngx_http_upstream_copy_header_line, |
| 136 offsetof(ngx_http_headers_out_t, server), 0 }, | |
| 509 | 137 |
| 529 | 138 { ngx_string("WWW-Authenticate"), |
| 139 ngx_http_upstream_process_header_line, | |
| 140 offsetof(ngx_http_upstream_headers_in_t, www_authenticate), | |
| 141 ngx_http_upstream_copy_header_line, 0, 0 }, | |
| 142 | |
| 509 | 143 { ngx_string("Location"), |
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144 ngx_http_upstream_process_header_line, |
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145 offsetof(ngx_http_upstream_headers_in_t, location), |
| 515 | 146 ngx_http_upstream_rewrite_location, 0, 0 }, |
| 509 | 147 |
| 148 { ngx_string("Refresh"), | |
| 149 ngx_http_upstream_ignore_header_line, 0, | |
| 515 | 150 ngx_http_upstream_rewrite_refresh, 0, 0 }, |
| 151 | |
| 152 { ngx_string("Set-Cookie"), | |
| 153 ngx_http_upstream_ignore_header_line, 0, | |
| 531 | 154 ngx_http_upstream_copy_header_line, 0, 1 }, |
| 155 | |
| 156 { ngx_string("Content-Disposition"), | |
| 157 ngx_http_upstream_ignore_header_line, 0, | |
| 158 ngx_http_upstream_copy_header_line, 0, 1 }, | |
| 509 | 159 |
| 160 { ngx_string("Cache-Control"), | |
| 161 ngx_http_upstream_process_multi_header_lines, | |
| 162 offsetof(ngx_http_upstream_headers_in_t, cache_control), | |
| 163 ngx_http_upstream_copy_multi_header_lines, | |
| 515 | 164 offsetof(ngx_http_headers_out_t, cache_control), 1 }, |
| 509 | 165 |
| 573 | 166 { ngx_string("Expires"), |
| 167 ngx_http_upstream_process_header_line, | |
| 168 offsetof(ngx_http_upstream_headers_in_t, expires), | |
| 169 ngx_http_upstream_copy_header_line, | |
| 170 offsetof(ngx_http_headers_out_t, expires), 1 }, | |
| 171 | |
| 577 | 172 { ngx_string("Accept-Ranges"), |
| 173 ngx_http_upstream_process_header_line, | |
| 174 offsetof(ngx_http_upstream_headers_in_t, accept_ranges), | |
| 175 ngx_http_upstream_copy_header_line, | |
| 176 offsetof(ngx_http_headers_out_t, accept_ranges), 1 }, | |
| 177 | |
| 509 | 178 { ngx_string("Connection"), |
| 179 ngx_http_upstream_ignore_header_line, 0, | |
| 515 | 180 ngx_http_upstream_ignore_header_line, 0, 0 }, |
| 509 | 181 |
| 641 | 182 { ngx_string("Keep-Alive"), |
| 183 ngx_http_upstream_ignore_header_line, 0, | |
| 184 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 185 | |
| 509 | 186 { ngx_string("X-Powered-By"), |
| 187 ngx_http_upstream_ignore_header_line, 0, | |
| 649 | 188 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 509 | 189 |
| 190 { ngx_string("X-Accel-Expires"), | |
| 191 ngx_http_upstream_process_header_line, | |
| 192 offsetof(ngx_http_upstream_headers_in_t, x_accel_expires), | |
| 649 | 193 ngx_http_upstream_copy_header_line, 0, 0 }, |
| 515 | 194 |
| 195 { ngx_string("X-Accel-Redirect"), | |
| 196 ngx_http_upstream_process_header_line, | |
| 197 offsetof(ngx_http_upstream_headers_in_t, x_accel_redirect), | |
| 198 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 509 | 199 |
| 527 | 200 { ngx_string("X-Accel-Limit-Rate"), |
| 201 ngx_http_upstream_process_limit_rate, 0, | |
| 202 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 203 | |
| 649 | 204 { ngx_string("X-Accel-Buffering"), |
| 205 ngx_http_upstream_process_buffering, 0, | |
| 206 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 207 | |
| 657 | 208 { ngx_string("X-Accel-Charset"), |
| 209 ngx_http_upstream_process_charset, 0, | |
| 210 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
| 211 | |
| 509 | 212 #if (NGX_HTTP_GZIP) |
| 213 { ngx_string("Content-Encoding"), | |
| 214 ngx_http_upstream_process_header_line, | |
| 215 offsetof(ngx_http_upstream_headers_in_t, content_encoding), | |
| 515 | 216 ngx_http_upstream_copy_content_encoding, 0, 0 }, |
| 509 | 217 #endif |
| 218 | |
| 515 | 219 { ngx_null_string, NULL, 0, NULL, 0, 0 } |
| 509 | 220 }; |
| 479 | 221 |
| 222 | |
| 651 | 223 static ngx_command_t ngx_http_upstream_commands[] = { |
| 224 | |
| 225 { ngx_string("upstream"), | |
| 226 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1, | |
| 227 ngx_http_upstream, | |
| 228 0, | |
| 229 0, | |
| 230 NULL }, | |
| 231 | |
| 232 { ngx_string("server"), | |
| 884 | 233 NGX_HTTP_UPS_CONF|NGX_CONF_1MORE, |
| 651 | 234 ngx_http_upstream_server, |
| 235 NGX_HTTP_SRV_CONF_OFFSET, | |
| 236 0, | |
| 237 NULL }, | |
| 238 | |
| 239 ngx_null_command | |
| 240 }; | |
| 241 | |
| 242 | |
| 243 static ngx_http_module_t ngx_http_upstream_module_ctx = { | |
| 573 | 244 ngx_http_upstream_add_variables, /* preconfiguration */ |
| 509 | 245 NULL, /* postconfiguration */ |
| 246 | |
| 247 ngx_http_upstream_create_main_conf, /* create main configuration */ | |
| 651 | 248 ngx_http_upstream_init_main_conf, /* init main configuration */ |
| 479 | 249 |
| 250 NULL, /* create server configuration */ | |
| 251 NULL, /* merge server configuration */ | |
| 252 | |
| 253 NULL, /* create location configuration */ | |
| 254 NULL /* merge location configuration */ | |
| 255 }; | |
| 577 | 256 |
| 479 | 257 |
| 258 ngx_module_t ngx_http_upstream_module = { | |
| 509 | 259 NGX_MODULE_V1, |
| 479 | 260 &ngx_http_upstream_module_ctx, /* module context */ |
| 651 | 261 ngx_http_upstream_commands, /* module directives */ |
| 479 | 262 NGX_HTTP_MODULE, /* module type */ |
| 541 | 263 NULL, /* init master */ |
| 479 | 264 NULL, /* init module */ |
| 541 | 265 NULL, /* init process */ |
| 266 NULL, /* init thread */ | |
| 267 NULL, /* exit thread */ | |
| 268 NULL, /* exit process */ | |
| 269 NULL, /* exit master */ | |
| 270 NGX_MODULE_V1_PADDING | |
| 479 | 271 }; |
| 272 | |
| 273 | |
| 573 | 274 static ngx_http_variable_t ngx_http_upstream_vars[] = { |
| 275 | |
| 1181 | 276 { ngx_string("upstream_addr"), NULL, |
| 277 ngx_http_upstream_addr_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, | |
| 278 | |
| 637 | 279 { ngx_string("upstream_status"), NULL, |
| 583 | 280 ngx_http_upstream_status_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 573 | 281 |
| 637 | 282 { ngx_string("upstream_response_time"), NULL, |
| 583 | 283 ngx_http_upstream_response_time_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 573 | 284 |
| 637 | 285 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 573 | 286 }; |
| 287 | |
| 288 | |
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289 static ngx_http_upstream_next_t ngx_http_upstream_next_errors[] = { |
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290 { 500, NGX_HTTP_UPSTREAM_FT_HTTP_500 }, |
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291 { 502, NGX_HTTP_UPSTREAM_FT_HTTP_502 }, |
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292 { 503, NGX_HTTP_UPSTREAM_FT_HTTP_503 }, |
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293 { 504, NGX_HTTP_UPSTREAM_FT_HTTP_504 }, |
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294 { 404, NGX_HTTP_UPSTREAM_FT_HTTP_404 }, |
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295 { 0, 0 } |
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296 }; |
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297 |
| 487 | 298 void |
| 299 ngx_http_upstream_init(ngx_http_request_t *r) | |
| 479 | 300 { |
| 1658 | 301 ngx_str_t *host; |
| 302 ngx_uint_t i; | |
| 303 ngx_connection_t *c; | |
| 304 ngx_resolver_ctx_t *ctx, temp; | |
| 305 ngx_http_cleanup_t *cln; | |
| 306 ngx_http_upstream_t *u; | |
| 307 ngx_http_core_loc_conf_t *clcf; | |
| 308 ngx_http_upstream_srv_conf_t *uscf, **uscfp; | |
| 309 ngx_http_upstream_main_conf_t *umcf; | |
| 479 | 310 |
| 311 c = r->connection; | |
| 312 | |
| 313 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 314 "http init upstream, client timer: %d", c->read->timer_set); | |
| 315 | |
| 316 if (c->read->timer_set) { | |
| 317 ngx_del_timer(c->read); | |
| 318 } | |
| 319 | |
| 629 | 320 u = r->upstream; |
| 321 | |
| 322 if (!r->post_action && !u->conf->ignore_client_abort) { | |
| 615 | 323 r->read_event_handler = ngx_http_upstream_rd_check_broken_connection; |
| 324 r->write_event_handler = ngx_http_upstream_wr_check_broken_connection; | |
| 325 } | |
| 577 | 326 |
| 479 | 327 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { |
| 328 | |
| 329 if (!c->write->active) { | |
| 531 | 330 if (ngx_add_event(c->write, NGX_WRITE_EVENT, NGX_CLEAR_EVENT) |
| 331 == NGX_ERROR) | |
| 479 | 332 { |
| 333 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 334 return; | |
| 335 } | |
| 336 } | |
| 337 } | |
| 338 | |
| 537 | 339 if (r->request_body) { |
| 340 u->request_bufs = r->request_body->bufs; | |
| 341 } | |
| 509 | 342 |
| 537 | 343 if (u->create_request(r) != NGX_OK) { |
| 479 | 344 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 345 return; | |
| 346 } | |
| 347 | |
| 509 | 348 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| 479 | 349 |
| 350 u->output.pool = r->pool; | |
| 351 u->output.bufs.num = 1; | |
| 509 | 352 u->output.bufs.size = clcf->client_body_buffer_size; |
| 479 | 353 u->output.output_filter = ngx_chain_writer; |
| 354 u->output.filter_ctx = &u->writer; | |
| 355 | |
| 356 u->writer.pool = r->pool; | |
| 357 | |
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358 if (r->upstream_states == NULL) { |
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359 |
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360 r->upstream_states = ngx_array_create(r->pool, 1, |
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361 sizeof(ngx_http_upstream_state_t)); |
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362 if (r->upstream_states == NULL) { |
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363 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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364 return; |
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365 } |
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366 |
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367 } else { |
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368 |
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369 u->state = ngx_array_push(r->upstream_states); |
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370 if (u->state == NULL) { |
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371 ngx_http_upstream_finalize_request(r, u, |
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372 NGX_HTTP_INTERNAL_SERVER_ERROR); |
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373 return; |
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374 } |
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375 |
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376 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); |
| 479 | 377 } |
| 378 | |
| 593 | 379 cln = ngx_http_cleanup_add(r, 0); |
| 569 | 380 if (cln == NULL) { |
| 381 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 382 return; | |
| 383 } | |
| 384 | |
| 385 cln->handler = ngx_http_upstream_cleanup; | |
| 386 cln->data = r; | |
| 387 u->cleanup = &cln->handler; | |
| 388 | |
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389 u->store = (u->conf->store || u->conf->store_lengths); |
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390 |
| 1658 | 391 if (u->resolved == NULL) { |
| 392 | |
| 393 uscf = u->conf->upstream; | |
| 394 | |
| 395 } else { | |
| 396 | |
| 1705 | 397 host = &u->resolved->host; |
| 1658 | 398 |
| 399 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
| 400 | |
| 401 uscfp = umcf->upstreams.elts; | |
| 402 | |
| 403 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 404 | |
| 405 uscf = uscfp[i]; | |
| 406 | |
| 407 if (uscf->host.len == host->len | |
| 2285 | 408 && ((uscf->port == 0 && u->resolved->no_port) |
| 1912 | 409 || uscf->port == u->resolved->port) |
| 1658 | 410 && ngx_memcmp(uscf->host.data, host->data, host->len) == 0) |
| 411 { | |
| 412 goto found; | |
| 413 } | |
| 414 } | |
| 415 | |
| 416 temp.name = *host; | |
| 417 | |
| 418 ctx = ngx_resolve_start(clcf->resolver, &temp); | |
| 419 if (ctx == NULL) { | |
| 420 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 421 return; | |
| 422 } | |
| 423 | |
|
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424 if (ctx == NGX_NO_RESOLVER) { |
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425 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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426 "no resolver defined to resolve %V", host); |
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427 |
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428 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); |
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429 return; |
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430 } |
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431 |
| 1658 | 432 ctx->name = *host; |
| 433 ctx->type = NGX_RESOLVE_A; | |
| 434 ctx->handler = ngx_http_upstream_resolve_handler; | |
| 435 ctx->data = r; | |
| 436 ctx->timeout = clcf->resolver_timeout; | |
| 437 | |
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438 u->resolved->ctx = ctx; |
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439 |
| 1658 | 440 if (ngx_resolve_name(ctx) != NGX_OK) { |
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441 u->resolved->ctx = NULL; |
| 1658 | 442 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 443 return; | |
| 444 } | |
| 445 | |
| 446 return; | |
| 447 } | |
| 448 | |
| 449 found: | |
| 450 | |
| 451 if (uscf->peer.init(r, uscf) != NGX_OK) { | |
| 452 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 453 return; | |
| 454 } | |
| 455 | |
| 479 | 456 ngx_http_upstream_connect(r, u); |
| 457 } | |
| 458 | |
| 459 | |
| 487 | 460 static void |
| 1658 | 461 ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx) |
| 462 { | |
| 463 ngx_http_request_t *r; | |
| 464 ngx_http_upstream_resolved_t *ur; | |
| 465 | |
| 466 r = ctx->data; | |
| 467 | |
| 468 r->upstream->resolved->ctx = NULL; | |
| 469 | |
| 470 if (ctx->state) { | |
| 471 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 472 "%V could not be resolved (%i: %s)", | |
| 473 &ctx->name, ctx->state, | |
| 474 ngx_resolver_strerror(ctx->state)); | |
| 475 | |
| 476 ngx_resolve_name_done(ctx); | |
| 477 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); | |
| 478 return; | |
| 479 } | |
| 480 | |
| 481 ur = r->upstream->resolved; | |
| 482 ur->naddrs = ctx->naddrs; | |
| 483 ur->addrs = ctx->addrs; | |
| 484 | |
| 485 #if (NGX_DEBUG) | |
| 486 { | |
| 487 in_addr_t addr; | |
| 488 ngx_uint_t i; | |
| 489 | |
| 490 for (i = 0; i < ctx->naddrs; i++) { | |
| 491 addr = ntohl(ur->addrs[i]); | |
| 492 | |
| 493 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 494 "name was resolved to %ud.%ud.%ud.%ud", | |
| 495 (addr >> 24) & 0xff, (addr >> 16) & 0xff, | |
| 496 (addr >> 8) & 0xff, addr & 0xff); | |
| 497 } | |
| 498 } | |
| 499 #endif | |
| 500 | |
| 501 if (ngx_http_upstream_create_round_robin_peer(r, ur) != NGX_OK) { | |
| 502 ngx_resolve_name_done(ctx); | |
| 503 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 504 return; | |
| 505 } | |
| 506 | |
| 507 ngx_resolve_name_done(ctx); | |
| 508 | |
| 509 ngx_http_upstream_connect(r, r->upstream); | |
| 510 } | |
| 511 | |
| 512 | |
| 513 static void | |
| 509 | 514 ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r) |
| 515 { | |
| 516 ngx_http_upstream_check_broken_connection(r, r->connection->read); | |
| 517 } | |
| 518 | |
| 519 | |
| 520 static void | |
| 521 ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r) | |
| 522 { | |
| 523 ngx_http_upstream_check_broken_connection(r, r->connection->write); | |
| 524 } | |
| 525 | |
| 526 | |
| 527 static void | |
| 528 ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
| 529 ngx_event_t *ev) | |
| 479 | 530 { |
| 531 int n; | |
| 532 char buf[1]; | |
| 577 | 533 ngx_err_t err; |
| 479 | 534 ngx_connection_t *c; |
| 535 ngx_http_upstream_t *u; | |
| 536 | |
| 527 | 537 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
| 538 "http upstream check client, write event:%d, \"%V\"", | |
| 539 ev->write, &r->uri); | |
| 479 | 540 |
| 509 | 541 c = r->connection; |
| 483 | 542 u = r->upstream; |
| 543 | |
| 583 | 544 if (c->error) { |
| 527 | 545 ngx_http_upstream_finalize_request(r, u, |
| 546 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 547 return; | |
| 548 } | |
| 549 | |
| 483 | 550 if (u->peer.connection == NULL) { |
| 551 return; | |
| 552 } | |
| 553 | |
| 479 | 554 #if (NGX_HAVE_KQUEUE) |
| 555 | |
| 556 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
| 557 | |
| 558 if (!ev->pending_eof) { | |
| 559 return; | |
| 560 } | |
| 561 | |
| 562 ev->eof = 1; | |
| 583 | 563 c->error = 1; |
| 479 | 564 |
| 565 if (ev->kq_errno) { | |
| 566 ev->error = 1; | |
| 567 } | |
| 568 | |
| 1565 | 569 if (!u->cacheable && !u->store && u->peer.connection) { |
| 479 | 570 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, |
| 527 | 571 "kevent() reported that client closed prematurely " |
| 572 "connection, so upstream connection is closed too"); | |
| 479 | 573 ngx_http_upstream_finalize_request(r, u, |
| 574 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 575 return; | |
| 576 } | |
| 577 | |
| 578 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, | |
| 579 "kevent() reported that client closed " | |
| 580 "prematurely connection"); | |
| 581 | |
| 582 if (u->peer.connection == NULL) { | |
| 583 ngx_http_upstream_finalize_request(r, u, | |
| 584 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 585 return; | |
| 586 } | |
| 587 | |
| 588 return; | |
| 589 } | |
| 590 | |
| 591 #endif | |
| 592 | |
| 593 n = recv(c->fd, buf, 1, MSG_PEEK); | |
| 594 | |
| 595 err = ngx_socket_errno; | |
| 596 | |
| 1109 | 597 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, err, |
| 598 "http upstream recv(): %d", n); | |
| 599 | |
| 479 | 600 /* |
| 601 * we do not need to disable the write event because | |
| 602 * that event has NGX_USE_CLEAR_EVENT type | |
| 603 */ | |
| 604 | |
| 605 if (ev->write && (n >= 0 || err == NGX_EAGAIN)) { | |
| 606 return; | |
| 607 } | |
| 608 | |
| 609 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { | |
| 610 if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { | |
| 611 ngx_http_upstream_finalize_request(r, u, | |
| 612 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 613 return; | |
| 614 } | |
| 615 } | |
| 616 | |
| 617 if (n > 0) { | |
| 618 return; | |
| 619 } | |
| 620 | |
| 621 if (n == -1) { | |
| 622 if (err == NGX_EAGAIN) { | |
| 623 return; | |
| 624 } | |
| 625 | |
| 626 ev->error = 1; | |
| 627 | |
| 483 | 628 } else { /* n == 0 */ |
| 479 | 629 err = 0; |
| 630 } | |
| 631 | |
| 529 | 632 ev->eof = 1; |
| 583 | 633 c->error = 1; |
| 529 | 634 |
| 1565 | 635 if (!u->cacheable && !u->store && u->peer.connection) { |
| 479 | 636 ngx_log_error(NGX_LOG_INFO, ev->log, err, |
| 637 "client closed prematurely connection, " | |
| 638 "so upstream connection is closed too"); | |
| 639 ngx_http_upstream_finalize_request(r, u, | |
| 640 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 641 return; | |
| 642 } | |
| 643 | |
| 644 ngx_log_error(NGX_LOG_INFO, ev->log, err, | |
| 645 "client closed prematurely connection"); | |
| 646 | |
| 647 if (u->peer.connection == NULL) { | |
| 648 ngx_http_upstream_finalize_request(r, u, | |
| 649 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 650 return; | |
| 651 } | |
| 652 } | |
| 653 | |
| 654 | |
| 487 | 655 static void |
| 656 ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 479 | 657 { |
| 591 | 658 ngx_int_t rc; |
| 665 | 659 ngx_time_t *tp; |
| 591 | 660 ngx_connection_t *c; |
| 479 | 661 |
| 483 | 662 r->connection->log->action = "connecting to upstream"; |
| 479 | 663 |
| 664 r->connection->single_connection = 0; | |
| 665 | |
|
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666 if (u->state && u->state->response_sec) { |
| 665 | 667 tp = ngx_timeofday(); |
|
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668 u->state->response_sec = tp->sec - u->state->response_sec; |
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669 u->state->response_msec = tp->msec - u->state->response_msec; |
| 665 | 670 } |
| 671 | |
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672 u->state = ngx_array_push(r->upstream_states); |
| 665 | 673 if (u->state == NULL) { |
| 674 ngx_http_upstream_finalize_request(r, u, | |
| 675 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 676 return; | |
| 677 } | |
| 678 | |
| 679 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); | |
| 680 | |
| 681 tp = ngx_timeofday(); | |
|
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682 u->state->response_sec = tp->sec; |
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683 u->state->response_msec = tp->msec; |
| 665 | 684 |
| 479 | 685 rc = ngx_event_connect_peer(&u->peer); |
| 686 | |
| 687 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 688 "http upstream connect: %i", rc); | |
| 689 | |
| 690 if (rc == NGX_ERROR) { | |
| 691 ngx_http_upstream_finalize_request(r, u, | |
| 692 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 693 return; | |
| 694 } | |
| 695 | |
|
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696 u->state->peer = u->peer.name; |
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697 |
| 543 | 698 if (rc == NGX_BUSY) { |
| 699 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no live upstreams"); | |
| 1378 | 700 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_NOLIVE); |
| 701 return; | |
| 543 | 702 } |
| 703 | |
| 1378 | 704 if (rc == NGX_DECLINED) { |
| 479 | 705 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
| 706 return; | |
| 707 } | |
| 708 | |
| 577 | 709 /* rc == NGX_OK || rc == NGX_AGAIN */ |
| 710 | |
| 479 | 711 c = u->peer.connection; |
| 712 | |
| 713 c->data = r; | |
| 591 | 714 |
| 509 | 715 c->write->handler = ngx_http_upstream_send_request_handler; |
| 716 c->read->handler = ngx_http_upstream_process_header; | |
| 479 | 717 |
|
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718 c->sendfile &= r->connection->sendfile; |
| 1958 | 719 u->output.sendfile = c->sendfile; |
| 479 | 720 |
| 721 c->pool = r->pool; | |
| 722 c->read->log = c->write->log = c->log = r->connection->log; | |
| 723 | |
| 724 /* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */ | |
| 725 | |
| 726 u->writer.out = NULL; | |
| 727 u->writer.last = &u->writer.out; | |
| 728 u->writer.connection = c; | |
| 729 u->writer.limit = 0; | |
| 730 | |
| 731 if (u->request_sent) { | |
| 509 | 732 if (ngx_http_upstream_reinit(r, u) != NGX_OK) { |
| 733 ngx_http_upstream_finalize_request(r, u, | |
| 734 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 735 return; | |
| 736 } | |
| 479 | 737 } |
| 738 | |
|
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fix segfault when client_body_in_file_only is on, the body is not passed
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|
739 if (r->request_body |
|
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|
740 && r->request_body->buf |
|
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|
741 && r->request_body->temp_file |
|
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|
742 && r == r->main) |
|
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parents:
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diff
changeset
|
743 { |
| 573 | 744 /* |
| 745 * the r->request_body->buf can be reused for one request only, | |
| 746 * the subrequests should allocate their own temporay bufs | |
| 747 */ | |
| 748 | |
| 749 u->output.free = ngx_alloc_chain_link(r->pool); | |
| 750 if (u->output.free == NULL) { | |
| 751 ngx_http_upstream_finalize_request(r, u, | |
| 752 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 753 return; | |
| 479 | 754 } |
| 573 | 755 |
| 756 u->output.free->buf = r->request_body->buf; | |
| 757 u->output.free->next = NULL; | |
| 758 u->output.allocated = 1; | |
| 759 | |
| 760 r->request_body->buf->pos = r->request_body->buf->start; | |
| 761 r->request_body->buf->last = r->request_body->buf->start; | |
| 762 r->request_body->buf->tag = u->output.tag; | |
| 479 | 763 } |
| 764 | |
| 765 u->request_sent = 0; | |
| 766 | |
| 767 if (rc == NGX_AGAIN) { | |
| 768 ngx_add_timer(c->write, u->conf->connect_timeout); | |
| 769 return; | |
| 770 } | |
| 771 | |
| 577 | 772 #if (NGX_HTTP_SSL) |
| 773 | |
| 1658 | 774 if (u->ssl && c->ssl == NULL) { |
| 591 | 775 ngx_http_upstream_ssl_init_connection(r, u, c); |
| 577 | 776 return; |
| 777 } | |
| 778 | |
| 779 #endif | |
| 780 | |
| 479 | 781 ngx_http_upstream_send_request(r, u); |
| 782 } | |
| 783 | |
| 784 | |
| 577 | 785 #if (NGX_HTTP_SSL) |
| 786 | |
| 787 static void | |
| 591 | 788 ngx_http_upstream_ssl_init_connection(ngx_http_request_t *r, |
| 789 ngx_http_upstream_t *u, ngx_connection_t *c) | |
| 790 { | |
| 884 | 791 ngx_int_t rc; |
| 591 | 792 |
| 793 if (ngx_ssl_create_connection(u->conf->ssl, c, | |
| 794 NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
| 795 == NGX_ERROR) | |
| 796 { | |
| 797 ngx_http_upstream_finalize_request(r, u, | |
| 798 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 799 return; | |
| 800 } | |
| 801 | |
| 802 c->sendfile = 0; | |
| 619 | 803 u->output.sendfile = 0; |
| 591 | 804 |
| 2184 | 805 if (u->conf->ssl_session_reuse) { |
| 806 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
| 807 ngx_http_upstream_finalize_request(r, u, | |
| 808 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 809 return; | |
| 810 } | |
| 591 | 811 } |
| 812 | |
| 641 | 813 r->connection->log->action = "SSL handshaking to upstream"; |
| 814 | |
| 591 | 815 rc = ngx_ssl_handshake(c); |
| 816 | |
| 817 if (rc == NGX_AGAIN) { | |
| 818 c->ssl->handler = ngx_http_upstream_ssl_handshake; | |
| 819 return; | |
| 820 } | |
| 821 | |
| 822 ngx_http_upstream_ssl_handshake(c); | |
| 823 } | |
| 824 | |
| 825 | |
| 826 static void | |
| 577 | 827 ngx_http_upstream_ssl_handshake(ngx_connection_t *c) |
| 828 { | |
| 829 ngx_http_request_t *r; | |
| 830 ngx_http_upstream_t *u; | |
| 831 | |
| 832 r = c->data; | |
| 833 u = r->upstream; | |
| 834 | |
| 835 if (c->ssl->handshaked) { | |
| 836 | |
| 2184 | 837 if (u->conf->ssl_session_reuse) { |
| 838 u->peer.save_session(&u->peer, u->peer.data); | |
| 839 } | |
| 884 | 840 |
| 577 | 841 c->write->handler = ngx_http_upstream_send_request_handler; |
| 842 c->read->handler = ngx_http_upstream_process_header; | |
| 843 | |
| 844 ngx_http_upstream_send_request(r, u); | |
| 845 | |
| 846 return; | |
| 847 } | |
| 848 | |
| 849 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 850 | |
| 851 } | |
| 852 | |
| 853 #endif | |
| 854 | |
| 855 | |
| 509 | 856 static ngx_int_t |
| 487 | 857 ngx_http_upstream_reinit(ngx_http_request_t *r, ngx_http_upstream_t *u) |
| 479 | 858 { |
| 859 ngx_chain_t *cl; | |
| 860 | |
| 509 | 861 if (u->reinit_request(r) != NGX_OK) { |
| 862 return NGX_ERROR; | |
| 863 } | |
| 864 | |
| 1705 | 865 ngx_memzero(&u->headers_in, sizeof(ngx_http_upstream_headers_in_t)); |
| 866 | |
| 867 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, | |
| 591 | 868 sizeof(ngx_table_elt_t)) |
| 869 != NGX_OK) | |
| 509 | 870 { |
| 871 return NGX_ERROR; | |
| 479 | 872 } |
| 873 | |
| 874 /* reinit the request chain */ | |
| 577 | 875 |
| 509 | 876 for (cl = u->request_bufs; cl; cl = cl->next) { |
| 479 | 877 cl->buf->pos = cl->buf->start; |
| 878 cl->buf->file_pos = 0; | |
| 879 } | |
| 880 | |
| 509 | 881 /* reinit the subrequest's ngx_output_chain() context */ |
| 882 | |
| 573 | 883 if (r->request_body && r->request_body->temp_file |
| 597 | 884 && r != r->main && u->output.buf) |
| 573 | 885 { |
| 886 u->output.free = ngx_alloc_chain_link(r->pool); | |
| 887 if (u->output.free == NULL) { | |
| 888 return NGX_ERROR; | |
| 509 | 889 } |
| 573 | 890 |
| 891 u->output.free->buf = u->output.buf; | |
| 892 u->output.free->next = NULL; | |
| 893 | |
| 894 u->output.buf->pos = u->output.buf->start; | |
| 895 u->output.buf->last = u->output.buf->start; | |
| 509 | 896 } |
| 479 | 897 |
| 898 u->output.buf = NULL; | |
| 899 u->output.in = NULL; | |
| 900 u->output.busy = NULL; | |
| 577 | 901 |
| 581 | 902 /* reinit u->buffer */ |
| 577 | 903 |
| 479 | 904 #if 0 |
| 905 if (u->cache) { | |
| 581 | 906 u->buffer.pos = u->buffer.start + u->cache->ctx.header_size; |
| 907 u->buffer.last = u->buffer.pos; | |
| 479 | 908 |
| 909 } else { | |
| 581 | 910 u->buffer.pos = u->buffer.start; |
| 911 u->buffer.last = u->buffer.start; | |
| 479 | 912 } |
| 913 #else | |
| 509 | 914 |
| 581 | 915 u->buffer.pos = u->buffer.start; |
| 916 u->buffer.last = u->buffer.start; | |
| 509 | 917 |
| 479 | 918 #endif |
| 919 | |
| 509 | 920 return NGX_OK; |
| 479 | 921 } |
| 922 | |
| 923 | |
| 487 | 924 static void |
| 925 ngx_http_upstream_send_request(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 479 | 926 { |
|
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|
927 ngx_int_t rc; |
| 483 | 928 ngx_connection_t *c; |
| 577 | 929 |
| 479 | 930 c = u->peer.connection; |
| 931 | |
| 932 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 933 "http upstream send request"); | |
| 934 | |
|
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diff
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|
935 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
| 1166 | 936 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
|
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|
937 return; |
| 479 | 938 } |
| 939 | |
| 483 | 940 c->log->action = "sending request to upstream"; |
| 479 | 941 |
| 509 | 942 rc = ngx_output_chain(&u->output, u->request_sent ? NULL : u->request_bufs); |
| 479 | 943 |
| 944 u->request_sent = 1; | |
| 945 | |
| 946 if (rc == NGX_ERROR) { | |
| 947 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
| 948 return; | |
| 949 } | |
| 950 | |
| 951 if (c->write->timer_set) { | |
| 952 ngx_del_timer(c->write); | |
| 953 } | |
| 954 | |
| 955 if (rc == NGX_AGAIN) { | |
| 956 ngx_add_timer(c->write, u->conf->send_timeout); | |
| 957 | |
| 958 if (ngx_handle_write_event(c->write, u->conf->send_lowat) == NGX_ERROR) | |
| 959 { | |
| 960 ngx_http_upstream_finalize_request(r, u, | |
| 961 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 962 return; | |
| 963 } | |
| 964 | |
| 965 return; | |
| 966 } | |
| 967 | |
| 968 /* rc == NGX_OK */ | |
| 969 | |
| 970 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) { | |
| 971 if (ngx_tcp_push(c->fd) == NGX_ERROR) { | |
| 972 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, | |
| 973 ngx_tcp_push_n " failed"); | |
| 974 ngx_http_upstream_finalize_request(r, u, | |
| 975 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 577 | 976 return; |
| 479 | 977 } |
| 978 | |
| 979 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET; | |
| 980 } | |
| 577 | 981 |
| 479 | 982 ngx_add_timer(c->read, u->conf->read_timeout); |
| 983 | |
| 984 #if 1 | |
| 985 if (c->read->ready) { | |
| 577 | 986 |
| 479 | 987 /* post aio operation */ |
| 988 | |
| 989 /* | |
| 990 * TODO comment | |
| 991 * although we can post aio operation just in the end | |
| 992 * of ngx_http_upstream_connect() CHECK IT !!! | |
| 993 * it's better to do here because we postpone header buffer allocation | |
| 994 */ | |
| 995 | |
| 996 ngx_http_upstream_process_header(c->read); | |
| 997 return; | |
| 998 } | |
| 999 #endif | |
| 1000 | |
| 509 | 1001 c->write->handler = ngx_http_upstream_dummy_handler; |
| 479 | 1002 |
| 509 | 1003 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
| 479 | 1004 ngx_http_upstream_finalize_request(r, u, |
| 1005 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1006 return; | |
| 1007 } | |
| 1008 } | |
| 1009 | |
| 1010 | |
| 487 | 1011 static void |
| 1012 ngx_http_upstream_send_request_handler(ngx_event_t *wev) | |
| 479 | 1013 { |
| 1014 ngx_connection_t *c; | |
| 1015 ngx_http_request_t *r; | |
| 1016 ngx_http_upstream_t *u; | |
| 1017 | |
| 1018 c = wev->data; | |
| 1019 r = c->data; | |
| 1020 u = r->upstream; | |
| 1021 | |
| 1022 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
| 1023 "http upstream send request handler"); | |
| 1024 | |
| 1025 if (wev->timedout) { | |
| 1026 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
| 1027 return; | |
| 1028 } | |
| 1029 | |
| 591 | 1030 #if (NGX_HTTP_SSL) |
| 1031 | |
| 1658 | 1032 if (u->ssl && c->ssl == NULL) { |
| 591 | 1033 ngx_http_upstream_ssl_init_connection(r, u, c); |
| 1034 return; | |
| 1035 } | |
| 1036 | |
| 1037 #endif | |
| 1038 | |
| 651 | 1039 if (u->header_sent) { |
| 1040 wev->handler = ngx_http_upstream_dummy_handler; | |
| 1041 | |
| 1042 (void) ngx_handle_write_event(wev, 0); | |
| 1043 | |
| 1044 return; | |
| 1045 } | |
| 1046 | |
| 479 | 1047 ngx_http_upstream_send_request(r, u); |
| 1048 } | |
| 1049 | |
| 1050 | |
| 487 | 1051 static void |
| 1052 ngx_http_upstream_process_header(ngx_event_t *rev) | |
| 479 | 1053 { |
| 515 | 1054 ssize_t n; |
| 1055 ngx_int_t rc; | |
| 573 | 1056 ngx_str_t *uri, args; |
| 649 | 1057 ngx_uint_t i, flags; |
| 515 | 1058 ngx_list_part_t *part; |
| 1059 ngx_table_elt_t *h; | |
| 1060 ngx_connection_t *c; | |
| 1061 ngx_http_request_t *r; | |
| 1062 ngx_http_upstream_t *u; | |
| 1063 ngx_http_upstream_header_t *hh; | |
| 1064 ngx_http_upstream_main_conf_t *umcf; | |
| 479 | 1065 |
| 1066 c = rev->data; | |
| 1067 r = c->data; | |
| 1068 u = r->upstream; | |
| 1069 | |
| 1070 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, | |
| 483 | 1071 "http upstream process header"); |
| 479 | 1072 |
| 483 | 1073 c->log->action = "reading response header from upstream"; |
| 479 | 1074 |
| 1075 if (rev->timedout) { | |
| 1076 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
| 1077 return; | |
| 1078 } | |
| 577 | 1079 |
|
1153
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separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1080 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
| 1166 | 1081 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
|
1153
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Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1082 return; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1083 } |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
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|
1084 |
| 581 | 1085 if (u->buffer.start == NULL) { |
| 1086 u->buffer.start = ngx_palloc(r->pool, u->conf->buffer_size); | |
| 1087 if (u->buffer.start == NULL) { | |
| 479 | 1088 ngx_http_upstream_finalize_request(r, u, |
| 1089 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1090 return; | |
| 1091 } | |
| 1092 | |
| 581 | 1093 u->buffer.pos = u->buffer.start; |
| 1094 u->buffer.last = u->buffer.start; | |
| 1095 u->buffer.end = u->buffer.start + u->conf->buffer_size; | |
| 1096 u->buffer.temporary = 1; | |
| 1097 | |
| 1098 u->buffer.tag = u->output.tag; | |
| 479 | 1099 |
| 1705 | 1100 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, |
| 581 | 1101 sizeof(ngx_table_elt_t)) |
| 1102 != NGX_OK) | |
| 509 | 1103 { |
| 1104 ngx_http_upstream_finalize_request(r, u, | |
| 1105 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1106 return; | |
| 1107 } | |
| 1108 | |
| 479 | 1109 #if 0 |
| 1110 if (u->cache) { | |
| 581 | 1111 u->buffer.pos += u->cache->ctx.header_size; |
| 1112 u->buffer.last = u->buffer.pos; | |
| 479 | 1113 } |
| 1114 #endif | |
| 1115 } | |
| 1116 | |
|
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1117 for ( ;; ) { |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1118 |
|
64854406b1f9
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Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1119 n = c->recv(c, u->buffer.last, u->buffer.end - u->buffer.last); |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
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|
1120 |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
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changeset
|
1121 if (n == NGX_AGAIN) { |
| 479 | 1122 #if 0 |
|
2360
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parents:
2308
diff
changeset
|
1123 ngx_add_timer(rev, u->read_timeout); |
| 479 | 1124 #endif |
| 1125 | |
|
2360
64854406b1f9
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1126 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
|
64854406b1f9
read and process upstream header in cycle,
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parents:
2308
diff
changeset
|
1127 ngx_http_upstream_finalize_request(r, u, |
| 479 | 1128 NGX_HTTP_INTERNAL_SERVER_ERROR); |
|
2360
64854406b1f9
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diff
changeset
|
1129 return; |
|
64854406b1f9
read and process upstream header in cycle,
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parents:
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diff
changeset
|
1130 } |
|
64854406b1f9
read and process upstream header in cycle,
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parents:
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diff
changeset
|
1131 |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1132 return; |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1133 } |
|
64854406b1f9
read and process upstream header in cycle,
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parents:
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diff
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|
1134 |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1135 if (n == 0) { |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1136 ngx_log_error(NGX_LOG_ERR, rev->log, 0, |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1137 "upstream prematurely closed connection"); |
|
64854406b1f9
read and process upstream header in cycle,
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parents:
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diff
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|
1138 } |
|
64854406b1f9
read and process upstream header in cycle,
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parents:
2308
diff
changeset
|
1139 |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1140 if (n == NGX_ERROR || n == 0) { |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
1141 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
| 479 | 1142 return; |
| 1143 } | |
| 1144 | |
|
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Igor Sysoev <igor@sysoev.ru>
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|
1145 u->buffer.last += n; |
| 479 | 1146 |
| 1147 #if 0 | |
|
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1148 u->valid_header_in = 0; |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1149 |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1150 u->peer.cached = 0; |
| 479 | 1151 #endif |
| 1152 | |
|
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1153 rc = u->process_header(r); |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1154 |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1155 if (rc == NGX_AGAIN) { |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1156 |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1157 if (u->buffer.pos == u->buffer.end) { |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1158 ngx_log_error(NGX_LOG_ERR, rev->log, 0, |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1159 "upstream sent too big header"); |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1160 |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1161 ngx_http_upstream_next(r, u, |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1162 NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1163 return; |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1164 } |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1165 |
|
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1166 continue; |
| 479 | 1167 } |
| 1168 | |
|
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1169 break; |
| 479 | 1170 } |
| 1171 | |
| 1172 if (rc == NGX_HTTP_UPSTREAM_INVALID_HEADER) { | |
| 1173 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
| 1174 return; | |
| 1175 } | |
| 1176 | |
|
1699
976db8c6fb64
return NGX_ERROR instead of NGX_HTTP_INTERNAL_SERVER_ERROR in u->parse_header()
Igor Sysoev <igor@sysoev.ru>
parents:
1693
diff
changeset
|
1177 if (rc == NGX_ERROR) { |
| 479 | 1178 ngx_http_upstream_finalize_request(r, u, |
| 1179 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1180 return; | |
| 1181 } | |
| 1182 | |
| 1183 /* rc == NGX_OK */ | |
| 1184 | |
|
2268
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1185 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST) { |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1186 |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1187 if (r->subrequest_in_memory) { |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1188 u->buffer.last = u->buffer.pos; |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1189 } |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1190 |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1191 if (ngx_http_upstream_test_next(r, u) == NGX_OK) { |
| 509 | 1192 return; |
| 1193 } | |
| 1194 | |
|
2267
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1195 if (ngx_http_upstream_intercept_errors(r, u) == NGX_OK) { |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1196 return; |
| 487 | 1197 } |
| 1198 } | |
| 1199 | |
| 681 | 1200 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); |
| 1201 | |
| 1705 | 1202 if (u->headers_in.x_accel_redirect) { |
|
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1203 |
| 515 | 1204 ngx_http_upstream_finalize_request(r, u, NGX_DECLINED); |
| 1205 | |
| 1705 | 1206 part = &u->headers_in.headers.part; |
| 515 | 1207 h = part->elts; |
| 1208 | |
| 1209 for (i = 0; /* void */; i++) { | |
| 1210 | |
| 1211 if (i >= part->nelts) { | |
| 1212 if (part->next == NULL) { | |
| 1213 break; | |
| 1214 } | |
| 577 | 1215 |
| 515 | 1216 part = part->next; |
| 1217 h = part->elts; | |
| 1218 i = 0; | |
| 1219 } | |
| 1220 | |
| 649 | 1221 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, |
| 1222 h[i].lowcase_key, h[i].key.len); | |
| 1223 | |
| 1224 if (hh && hh->redirect) { | |
| 1225 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
|
1226 ngx_http_finalize_request(r, |
|
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1227 NGX_HTTP_INTERNAL_SERVER_ERROR); |
| 515 | 1228 return; |
| 1229 } | |
| 1230 } | |
| 1231 } | |
| 1232 | |
| 1705 | 1233 uri = &u->headers_in.x_accel_redirect->value; |
| 573 | 1234 args.len = 0; |
| 1235 args.data = NULL; | |
| 1236 flags = 0; | |
| 1237 | |
| 1238 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
|
1239 ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); |
| 573 | 1240 return; |
| 1241 } | |
| 1242 | |
| 1243 if (flags & NGX_HTTP_ZERO_IN_URI) { | |
| 1244 r->zero_in_uri = 1; | |
| 1245 } | |
| 1246 | |
| 653 | 1247 if (r->method != NGX_HTTP_HEAD) { |
| 1248 r->method = NGX_HTTP_GET; | |
| 1249 } | |
| 1250 | |
|
2183
4a5bfd728a12
disable original URI usage in proxy_pass after X-Accel-Redirect
Igor Sysoev <igor@sysoev.ru>
parents:
2140
diff
changeset
|
1251 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
|
1252 |
| 573 | 1253 ngx_http_internal_redirect(r, uri, &args); |
| 515 | 1254 return; |
| 1255 } | |
| 1256 | |
| 1705 | 1257 part = &u->headers_in.headers.part; |
| 509 | 1258 h = part->elts; |
| 1259 | |
| 1260 for (i = 0; /* void */; i++) { | |
| 479 | 1261 |
| 509 | 1262 if (i >= part->nelts) { |
| 1263 if (part->next == NULL) { | |
| 1264 break; | |
| 1265 } | |
| 577 | 1266 |
| 509 | 1267 part = part->next; |
| 1268 h = part->elts; | |
| 1269 i = 0; | |
| 1270 } | |
| 1271 | |
| 649 | 1272 if (ngx_hash_find(&u->conf->hide_headers_hash, h[i].hash, |
| 1273 h[i].lowcase_key, h[i].key.len)) | |
| 509 | 1274 { |
| 649 | 1275 continue; |
| 1276 } | |
| 1277 | |
| 1278 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, | |
| 1279 h[i].lowcase_key, h[i].key.len); | |
| 1280 | |
| 1281 if (hh) { | |
| 1282 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
| 509 | 1283 ngx_http_upstream_finalize_request(r, u, |
| 1284 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1285 return; | |
| 1286 } | |
| 1287 | |
| 1288 continue; | |
| 1289 } | |
| 1290 | |
| 1291 if (ngx_http_upstream_copy_header_line(r, &h[i], 0) != NGX_OK) { | |
| 1292 ngx_http_upstream_finalize_request(r, u, | |
| 1293 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 1294 return; | |
| 1295 } | |
| 1296 } | |
| 1297 | |
| 649 | 1298 if (r->headers_out.server && r->headers_out.server->value.data == NULL) { |
| 1299 r->headers_out.server->hash = 0; | |
| 1300 } | |
| 1301 | |
| 1302 if (r->headers_out.date && r->headers_out.date->value.data == NULL) { | |
| 1303 r->headers_out.date->hash = 0; | |
| 1304 } | |
| 1305 | |
| 529 | 1306 r->headers_out.status = u->headers_in.status_n; |
| 1307 r->headers_out.status_line = u->headers_in.status_line; | |
| 1308 | |
|
1885
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
1309 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
|
1310 |
| 581 | 1311 if (r->headers_out.content_length_n != -1) { |
| 1312 u->length = (size_t) r->headers_out.content_length_n; | |
| 1313 | |
| 1314 } else { | |
| 1315 u->length = NGX_MAX_SIZE_T_VALUE; | |
| 1316 } | |
| 1317 | |
|
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1318 if (!r->subrequest_in_memory) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1319 ngx_http_upstream_send_response(r, u); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1320 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1321 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1322 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1323 /* subrequest content in memory */ |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1324 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1325 if (u->input_filter == NULL) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1326 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1327 u->input_filter = ngx_http_upstream_non_buffered_filter; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1328 u->input_filter_ctx = r; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1329 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1330 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1331 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1332 ngx_http_upstream_finalize_request(r, u, |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1333 NGX_HTTP_INTERNAL_SERVER_ERROR); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1334 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1335 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1336 |
|
2308
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1337 n = u->buffer.last - u->buffer.pos; |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1338 |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1339 if (n) { |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1340 u->buffer.last -= n; |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1341 |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1342 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
|
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1343 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1344 return; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1345 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1346 |
|
2308
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1347 if (u->length == 0) { |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1348 ngx_http_upstream_finalize_request(r, u, 0); |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1349 return; |
|
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1350 } |
|
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1351 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1352 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1353 rev->handler = ngx_http_upstream_process_body_in_memory; |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1354 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1355 ngx_http_upstream_process_body_in_memory(rev); |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1356 } |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1357 |
|
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1358 |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1359 static ngx_int_t |
|
2268
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1360 ngx_http_upstream_test_next(ngx_http_request_t *r, ngx_http_upstream_t *u) |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1361 { |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1362 ngx_uint_t status; |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1363 ngx_http_upstream_next_t *un; |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1364 |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1365 if (!(u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_STATUS)) { |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1366 return NGX_DECLINED; |
|
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
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1367 } |
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1368 |
|
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1369 status = u->headers_in.status_n; |
|
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1370 |
|
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1371 for (un = ngx_http_upstream_next_errors; un->status; un++) { |
|
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1372 |
|
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1373 if (status != un->status) { |
|
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|
1374 continue; |
|
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1375 } |
|
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1376 |
|
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1377 if (u->peer.tries > 1 && (u->conf->next_upstream & un->mask)) { |
|
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|
1378 ngx_http_upstream_next(r, u, un->mask); |
|
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1379 return NGX_OK; |
|
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1380 } |
|
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|
1381 |
|
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1382 if (status == NGX_HTTP_NOT_FOUND && u->conf->intercept_404) { |
|
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|
1383 ngx_http_upstream_finalize_request(r, u, NGX_HTTP_NOT_FOUND); |
|
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1384 return NGX_OK; |
|
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1385 } |
|
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|
1386 |
|
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|
1387 #if (NGX_HTTP_CACHE) |
|
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|
1388 |
|
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|
1389 if (u->peer.tries == 0 && u->stale && (u->conf->use_stale & un->mask)) { |
|
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|
1390 ngx_http_upstream_finalize_request(r, u, |
|
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|
1391 ngx_http_send_cached_response(r)); |
|
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1392 return NGX_OK; |
|
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|
1393 } |
|
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|
1394 |
|
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|
1395 #endif |
|
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|
1396 } |
|
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|
1397 |
|
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|
1398 return NGX_DECLINED; |
|
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|
1399 } |
|
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|
1400 |
|
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|
1401 |
|
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|
1402 static ngx_int_t |
|
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|
1403 ngx_http_upstream_intercept_errors(ngx_http_request_t *r, |
|
920be89a3d2d
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|
1404 ngx_http_upstream_t *u) |
|
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|
1405 { |
|
920be89a3d2d
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|
1406 ngx_int_t status; |
|
920be89a3d2d
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|
1407 ngx_uint_t i; |
|
920be89a3d2d
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|
1408 ngx_table_elt_t *h; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1409 ngx_http_err_page_t *err_page; |
|
920be89a3d2d
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|
1410 ngx_http_core_loc_conf_t *clcf; |
|
920be89a3d2d
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|
1411 |
|
920be89a3d2d
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|
1412 if (!u->conf->intercept_errors) { |
|
920be89a3d2d
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|
1413 return NGX_DECLINED; |
|
920be89a3d2d
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|
1414 } |
|
920be89a3d2d
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|
1415 |
|
920be89a3d2d
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|
1416 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
|
920be89a3d2d
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|
1417 |
|
920be89a3d2d
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|
1418 if (clcf->error_pages == NULL) { |
|
920be89a3d2d
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|
1419 return NGX_DECLINED; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1420 } |
|
920be89a3d2d
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|
1421 |
|
920be89a3d2d
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|
1422 status = u->headers_in.status_n; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1423 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1424 err_page = clcf->error_pages->elts; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1425 for (i = 0; i < clcf->error_pages->nelts; i++) { |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1426 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1427 if (err_page[i].status == status) { |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1428 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1429 if (status == NGX_HTTP_UNAUTHORIZED) { |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1430 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1431 h = ngx_list_push(&r->headers_out.headers); |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1432 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1433 if (h == NULL) { |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1434 ngx_http_upstream_finalize_request(r, u, |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1435 NGX_HTTP_INTERNAL_SERVER_ERROR); |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1436 return NGX_OK; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1437 } |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1438 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1439 *h = *u->headers_in.www_authenticate; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1440 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1441 r->headers_out.www_authenticate = h; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1442 } |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1443 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1444 ngx_http_upstream_finalize_request(r, u, status); |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1445 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1446 return NGX_OK; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1447 } |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1448 } |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1449 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1450 return NGX_DECLINED; |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1451 } |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1452 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1453 |
|
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
changeset
|
1454 static ngx_int_t |
|
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1455 ngx_http_upstream_test_connect(ngx_connection_t *c) |
|
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separate ngx_http_upstream_test_connect() and
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changeset
|
1456 { |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1457 int err; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1458 socklen_t len; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1459 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1460 #if (NGX_HAVE_KQUEUE) |
|
c843f3df3b85
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changeset
|
1461 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1462 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
| 1166 | 1463 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
|
1464 c->log->action = "connecting to upstream"; |
| 1166 | 1465 (void) ngx_connection_error(c, c->write->kq_errno, |
| 1466 "kevent() reported that connect() failed"); | |
| 1467 return NGX_ERROR; | |
| 1468 } | |
|
1153
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separate ngx_http_upstream_test_connect() and
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changeset
|
1469 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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changeset
|
1470 } else |
|
c843f3df3b85
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changeset
|
1471 #endif |
|
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|
1472 { |
| 1166 | 1473 err = 0; |
| 1474 len = sizeof(int); | |
| 1475 | |
| 1476 /* | |
| 1477 * BSDs and Linux return 0 and set a pending error in err | |
| 1478 * Solaris returns -1 and sets errno | |
| 1479 */ | |
| 1480 | |
| 1481 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
| 1482 == -1) | |
| 1483 { | |
| 1484 err = ngx_errno; | |
| 1485 } | |
| 1486 | |
| 1487 if (err) { | |
|
1469
0a269c464eaf
connection error should be logged with "connecting to upstream" action,
Igor Sysoev <igor@sysoev.ru>
parents:
1468
diff
changeset
|
1488 c->log->action = "connecting to upstream"; |
| 1166 | 1489 (void) ngx_connection_error(c, err, "connect() failed"); |
| 1490 return NGX_ERROR; | |
| 1491 } | |
|
1153
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separate ngx_http_upstream_test_connect() and
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changeset
|
1492 } |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1493 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1494 return NGX_OK; |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
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diff
changeset
|
1495 } |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1496 |
|
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1497 |
|
777
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1498 static void |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1499 ngx_http_upstream_process_body_in_memory(ngx_event_t *rev) |
|
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diff
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|
1500 { |
|
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757
diff
changeset
|
1501 size_t size; |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1502 ssize_t n; |
|
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1503 ngx_buf_t *b; |
|
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Igor Sysoev <igor@sysoev.ru>
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757
diff
changeset
|
1504 ngx_connection_t *c; |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1505 ngx_http_request_t *r; |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1506 ngx_http_upstream_t *u; |
|
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diff
changeset
|
1507 |
|
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1508 c = rev->data; |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1509 r = c->data; |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1510 u = r->upstream; |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1511 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1512 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
|
4ab852b691f5
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parents:
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diff
changeset
|
1513 "http upstream process body on memory"); |
|
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1514 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1515 if (rev->timedout) { |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1516 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1517 ngx_http_upstream_finalize_request(r, u, NGX_ETIMEDOUT); |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1518 return; |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1519 } |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1520 |
|
4ab852b691f5
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parents:
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diff
changeset
|
1521 b = &u->buffer; |
|
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parents:
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diff
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|
1522 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1523 for ( ;; ) { |
|
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diff
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|
1524 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1525 size = b->end - b->last; |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1526 |
|
4ab852b691f5
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parents:
757
diff
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|
1527 if (size == 0) { |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1528 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1529 "upstream buffer is too small to read repsonse"); |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1530 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
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parents:
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diff
changeset
|
1531 return; |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
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|
1532 } |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1533 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1534 n = c->recv(c, b->last, size); |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1535 |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1536 if (n == NGX_AGAIN) { |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1537 break; |
|
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parents:
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diff
changeset
|
1538 } |
|
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parents:
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diff
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|
1539 |
|
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diff
changeset
|
1540 if (n == 0 || n == NGX_ERROR) { |
|
4ab852b691f5
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parents:
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diff
changeset
|
1541 ngx_http_upstream_finalize_request(r, u, n); |
|
4ab852b691f5
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diff
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|
1542 return; |
|
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parents:
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diff
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|
1543 } |
|
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diff
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|
1544 |
|
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diff
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|
1545 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
|
4ab852b691f5
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757
diff
changeset
|
1546 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1547 return; |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1548 } |
|
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diff
changeset
|
1549 |
|
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diff
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|
1550 if (!rev->ready) { |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1551 break; |
|
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parents:
757
diff
changeset
|
1552 } |
|
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|
1553 } |
|
4ab852b691f5
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diff
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|
1554 |
|
4ab852b691f5
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diff
changeset
|
1555 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
|
4ab852b691f5
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diff
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|
1556 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
|
4ab852b691f5
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parents:
757
diff
changeset
|
1557 return; |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1558 } |
|
4ab852b691f5
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parents:
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diff
changeset
|
1559 |
|
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diff
changeset
|
1560 if (rev->active) { |
|
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757
diff
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|
1561 ngx_add_timer(rev, u->conf->read_timeout); |
|
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diff
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|
1562 |
|
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diff
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|
1563 } else if (rev->timer_set) { |
|
4ab852b691f5
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757
diff
changeset
|
1564 ngx_del_timer(rev); |
|
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diff
changeset
|
1565 } |
| 681 | 1566 } |
| 1567 | |
| 1568 | |
| 1569 static void | |
| 1570 ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
| 1571 { | |
| 1572 int tcp_nodelay; | |
| 1573 ssize_t size; | |
| 1574 ngx_int_t rc; | |
| 1575 ngx_event_pipe_t *p; | |
| 1576 ngx_connection_t *c; | |
| 1577 ngx_pool_cleanup_t *cl; | |
| 1578 ngx_pool_cleanup_file_t *clf; | |
| 1579 ngx_http_core_loc_conf_t *clcf; | |
| 1580 | |
| 509 | 1581 rc = ngx_http_send_header(r); |
| 479 | 1582 |
|
1031
bf1785dfb75f
allow the upstream modules to send a header only
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
1583 if (rc == NGX_ERROR || rc > NGX_OK || r->post_action || r->header_only) { |
| 485 | 1584 ngx_http_upstream_finalize_request(r, u, rc); |
| 479 | 1585 return; |
| 1586 } | |
| 1587 | |
| 1588 u->header_sent = 1; | |
| 1589 | |
| 573 | 1590 if (r->request_body && r->request_body->temp_file) { |
| 563 | 1591 for (cl = r->pool->cleanup; cl; cl = cl->next) { |
| 1592 if (cl->handler == ngx_pool_cleanup_file) { | |
| 1593 clf = cl->data; | |
| 1594 | |
| 1595 if (clf->fd == r->request_body->temp_file->file.fd) { | |
| 1596 cl->handler(clf); | |
| 1597 cl->handler = NULL; | |
| 659 | 1598 r->request_body->temp_file->file.fd = NGX_INVALID_FILE; |
| 563 | 1599 break; |
| 1600 } | |
| 1601 } | |
| 1602 } | |
| 1603 } | |
| 1604 | |
| 583 | 1605 c = r->connection; |
| 1606 | |
| 581 | 1607 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| 1608 | |
| 649 | 1609 if (!u->buffering) { |
| 581 | 1610 |
| 1611 if (u->input_filter == NULL) { | |
| 1612 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; | |
| 1613 u->input_filter = ngx_http_upstream_non_buffered_filter; | |
| 1614 u->input_filter_ctx = r; | |
| 1615 } | |
| 1616 | |
| 1617 u->peer.connection->read->handler = | |
| 1618 ngx_http_upstream_process_non_buffered_body; | |
| 1619 r->write_event_handler = | |
| 1620 ngx_http_upstream_process_non_buffered_downstream; | |
| 1621 | |
| 1622 r->limit_rate = 0; | |
| 1623 | |
| 1624 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { | |
| 1625 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1626 return; | |
| 1627 } | |
| 1628 | |
| 583 | 1629 if (clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
| 1630 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay"); | |
| 1631 | |
| 1632 tcp_nodelay = 1; | |
| 1633 | |
| 1634 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
| 1635 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
| 1636 { | |
| 1637 ngx_connection_error(c, ngx_socket_errno, | |
| 1638 "setsockopt(TCP_NODELAY) failed"); | |
| 1639 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1640 return; | |
| 1641 } | |
| 1642 | |
| 1643 c->tcp_nodelay = NGX_TCP_NODELAY_SET; | |
| 1644 } | |
| 1645 | |
| 581 | 1646 size = u->buffer.last - u->buffer.pos; |
| 1647 | |
| 1648 if (size) { | |
| 1649 u->buffer.last = u->buffer.pos; | |
| 1650 | |
| 1651 if (u->input_filter(u->input_filter_ctx, size) == NGX_ERROR) { | |
| 1652 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1653 return; | |
| 1654 } | |
| 1655 | |
| 583 | 1656 ngx_http_upstream_process_non_buffered_body(c->write); |
| 581 | 1657 |
| 1658 } else { | |
| 1659 u->buffer.pos = u->buffer.start; | |
| 1660 u->buffer.last = u->buffer.start; | |
| 1661 | |
| 1662 if (ngx_http_send_special(r, NGX_HTTP_FLUSH) == NGX_ERROR) { | |
| 1663 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1664 return; | |
| 1665 } | |
|
1468
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read EOF of header only responses in non-buffered proxying
Igor Sysoev <igor@sysoev.ru>
parents:
1397
diff
changeset
|
1666 |
|
491e5059ea19
read EOF of header only responses in non-buffered proxying
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parents:
1397
diff
changeset
|
1667 if (u->peer.connection->read->ready) { |
|
491e5059ea19
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Igor Sysoev <igor@sysoev.ru>
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1397
diff
changeset
|
1668 ngx_http_upstream_process_non_buffered_body( |
|
491e5059ea19
read EOF of header only responses in non-buffered proxying
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1397
diff
changeset
|
1669 u->peer.connection->read); |
|
491e5059ea19
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1397
diff
changeset
|
1670 } |
| 581 | 1671 } |
| 1672 | |
| 1673 return; | |
| 1674 } | |
| 1675 | |
| 479 | 1676 /* TODO: preallocate event_pipe bufs, look "Content-Length" */ |
| 1677 | |
| 1678 #if 0 | |
| 1679 | |
| 1680 if (u->cache && u->cache->ctx.file.fd != NGX_INVALID_FILE) { | |
| 1681 if (ngx_close_file(u->cache->ctx.file.fd) == NGX_FILE_ERROR) { | |
| 583 | 1682 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
| 479 | 1683 ngx_close_file_n " \"%s\" failed", |
| 1684 u->cache->ctx.file.name.data); | |
| 1685 } | |
| 1686 } | |
| 1687 | |
| 1565 | 1688 if (u->cacheable) { |
| 581 | 1689 header = (ngx_http_cache_header_t *) u->buffer->start; |
| 479 | 1690 |
| 1691 header->expires = u->cache->ctx.expires; | |
| 1692 header->last_modified = u->cache->ctx.last_modified; | |
| 1693 header->date = u->cache->ctx.date; | |
| 1694 header->length = r->headers_out.content_length_n; | |
| 1695 u->cache->ctx.length = r->headers_out.content_length_n; | |
| 1696 | |
| 1697 header->key_len = u->cache->ctx.key0.len; | |
| 1698 ngx_memcpy(&header->key, u->cache->ctx.key0.data, header->key_len); | |
| 1699 header->key[header->key_len] = LF; | |
| 1700 } | |
| 1701 | |
| 1702 #endif | |
| 1703 | |
| 581 | 1704 p = u->pipe; |
| 479 | 1705 |
| 1706 p->output_filter = (ngx_event_pipe_output_filter_pt) ngx_http_output_filter; | |
| 1707 p->output_ctx = r; | |
| 1708 p->tag = u->output.tag; | |
| 577 | 1709 p->bufs = u->conf->bufs; |
| 479 | 1710 p->busy_size = u->conf->busy_buffers_size; |
| 1711 p->upstream = u->peer.connection; | |
| 583 | 1712 p->downstream = c; |
| 479 | 1713 p->pool = r->pool; |
| 583 | 1714 p->log = c->log; |
| 577 | 1715 |
| 1565 | 1716 p->cacheable = u->cacheable || u->store; |
| 479 | 1717 |
| 501 | 1718 p->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
| 1719 if (p->temp_file == NULL) { | |
| 479 | 1720 ngx_http_upstream_finalize_request(r, u, 0); |
| 1721 return; | |
| 1722 } | |
| 1723 | |
| 1724 p->temp_file->file.fd = NGX_INVALID_FILE; | |
| 583 | 1725 p->temp_file->file.log = c->log; |
| 479 | 1726 p->temp_file->path = u->conf->temp_path; |
| 1727 p->temp_file->pool = r->pool; | |
| 577 | 1728 |
| 1565 | 1729 if (u->cacheable || u->store) { |
| 479 | 1730 p->temp_file->persistent = 1; |
|
1291
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parents:
1284
diff
changeset
|
1731 |
| 479 | 1732 } else { |
| 667 | 1733 p->temp_file->log_level = NGX_LOG_WARN; |
| 479 | 1734 p->temp_file->warn = "an upstream response is buffered " |
| 1735 "to a temporary file"; | |
| 1736 } | |
| 1737 | |
| 1738 p->max_temp_file_size = u->conf->max_temp_file_size; | |
| 1739 p->temp_file_write_size = u->conf->temp_file_write_size; | |
| 1740 | |
| 501 | 1741 p->preread_bufs = ngx_alloc_chain_link(r->pool); |
| 1742 if (p->preread_bufs == NULL) { | |
| 479 | 1743 ngx_http_upstream_finalize_request(r, u, 0); |
| 1744 return; | |
| 1745 } | |
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1746 |
| 581 | 1747 p->preread_bufs->buf = &u->buffer; |
| 479 | 1748 p->preread_bufs->next = NULL; |
| 581 | 1749 u->buffer.recycled = 1; |
| 1750 | |
| 1751 p->preread_size = u->buffer.last - u->buffer.pos; | |
| 479 | 1752 |
| 1565 | 1753 if (u->cacheable) { |
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1754 |
| 479 | 1755 p->buf_to_file = ngx_calloc_buf(r->pool); |
| 1756 if (p->buf_to_file == NULL) { | |
| 1757 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1758 return; | |
| 1759 } | |
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1760 |
| 581 | 1761 p->buf_to_file->pos = u->buffer.start; |
| 1762 p->buf_to_file->last = u->buffer.pos; | |
| 479 | 1763 p->buf_to_file->temporary = 1; |
| 1764 } | |
| 1765 | |
| 1766 if (ngx_event_flags & NGX_USE_AIO_EVENT) { | |
| 1767 /* the posted aio operation may currupt a shadow buffer */ | |
| 1768 p->single_buf = 1; | |
| 1769 } | |
| 1770 | |
| 1771 /* TODO: p->free_bufs = 0 if use ngx_create_chain_of_bufs() */ | |
| 1772 p->free_bufs = 1; | |
| 1773 | |
| 1774 /* | |
| 581 | 1775 * event_pipe would do u->buffer.last += p->preread_size |
| 479 | 1776 * as though these bytes were read |
| 1777 */ | |
| 581 | 1778 u->buffer.last = u->buffer.pos; |
| 479 | 1779 |
| 1780 if (u->conf->cyclic_temp_file) { | |
| 1781 | |
| 1782 /* | |
| 1783 * we need to disable the use of sendfile() if we use cyclic temp file | |
| 1784 * because the writing a new data may interfere with sendfile() | |
| 1785 * that uses the same kernel file pages (at least on FreeBSD) | |
| 1786 */ | |
| 1787 | |
| 1788 p->cyclic_temp_file = 1; | |
| 583 | 1789 c->sendfile = 0; |
| 479 | 1790 |
| 1791 } else { | |
| 1792 p->cyclic_temp_file = 0; | |
| 1793 } | |
| 1794 | |
| 1795 p->read_timeout = u->conf->read_timeout; | |
| 1796 p->send_timeout = clcf->send_timeout; | |
| 1797 p->send_lowat = clcf->send_lowat; | |
| 1798 | |
| 509 | 1799 u->peer.connection->read->handler = ngx_http_upstream_process_body; |
| 1800 r->write_event_handler = ngx_http_upstream_process_downstream; | |
| 479 | 1801 |
| 1802 ngx_http_upstream_process_body(u->peer.connection->read); | |
| 1803 } | |
| 1804 | |
| 1805 | |
| 487 | 1806 static void |
| 581 | 1807 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r) |
| 1808 { | |
| 1809 ngx_http_upstream_process_non_buffered_body(r->connection->write); | |
| 1810 } | |
| 1811 | |
| 1812 | |
| 1813 static void | |
| 1814 ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev) | |
| 1815 { | |
| 1816 size_t size; | |
| 1817 ssize_t n; | |
| 1818 ngx_buf_t *b; | |
| 583 | 1819 ngx_int_t rc; |
| 581 | 1820 ngx_uint_t do_write; |
| 884 | 1821 ngx_connection_t *c, *downstream, *upstream; |
| 581 | 1822 ngx_http_request_t *r; |
| 1823 ngx_http_upstream_t *u; | |
| 1824 ngx_http_core_loc_conf_t *clcf; | |
| 1825 | |
| 1826 c = ev->data; | |
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1827 r = c->data; |
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1828 u = r->upstream; |
| 581 | 1829 |
| 1830 if (ev->write) { | |
| 1831 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1832 "http upstream process non buffered downstream"); | |
| 1833 c->log->action = "sending to client"; | |
| 1834 | |
| 1835 } else { | |
| 1836 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1837 "http upstream process non buffered upstream"); | |
| 1838 c->log->action = "reading upstream"; | |
| 1839 } | |
| 1840 | |
| 1841 if (ev->timedout) { | |
| 1842 if (ev->write) { | |
| 1843 c->timedout = 1; | |
| 611 | 1844 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
| 1845 | |
| 581 | 1846 } else { |
| 611 | 1847 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
| 581 | 1848 } |
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1849 |
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1850 ngx_http_upstream_finalize_request(r, u, 0); |
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1851 return; |
| 581 | 1852 } |
| 1853 | |
| 884 | 1854 downstream = r->connection; |
| 1855 upstream = u->peer.connection; | |
| 581 | 1856 |
| 1857 b = &u->buffer; | |
| 1858 | |
| 1859 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1860 | |
| 657 | 1861 do_write = ev->write || u->length == 0; |
| 581 | 1862 |
| 1863 for ( ;; ) { | |
| 1864 | |
| 1865 if (do_write) { | |
| 1866 | |
| 1867 if (u->out_bufs || u->busy_bufs) { | |
| 583 | 1868 rc = ngx_http_output_filter(r, u->out_bufs); |
| 1869 | |
| 884 | 1870 if (downstream->destroyed) { |
| 583 | 1871 return; |
| 1872 } | |
| 1873 | |
| 1874 if (rc == NGX_ERROR) { | |
| 581 | 1875 ngx_http_upstream_finalize_request(r, u, 0); |
| 1876 return; | |
| 1877 } | |
| 1878 | |
| 1879 ngx_chain_update_chains(&u->free_bufs, &u->busy_bufs, | |
| 1880 &u->out_bufs, u->output.tag); | |
| 1881 } | |
| 1882 | |
| 1883 if (u->busy_bufs == NULL) { | |
| 1884 | |
| 1885 if (u->length == 0 | |
| 884 | 1886 || upstream->read->eof |
| 1887 || upstream->read->error) | |
| 581 | 1888 { |
| 1889 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1890 return; | |
| 1891 } | |
| 1892 | |
| 1893 b->pos = b->start; | |
| 1894 b->last = b->start; | |
| 1895 } | |
| 1896 } | |
| 1897 | |
| 1898 size = b->end - b->last; | |
| 1899 | |
| 1900 if (size > u->length) { | |
| 1901 size = u->length; | |
| 1902 } | |
| 1903 | |
| 884 | 1904 if (size && upstream->read->ready) { |
| 1905 | |
| 1906 n = upstream->recv(upstream, b->last, size); | |
| 581 | 1907 |
| 1908 if (n == NGX_AGAIN) { | |
| 1909 break; | |
| 1910 } | |
| 1911 | |
| 1912 if (n > 0) { | |
| 1913 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { | |
| 1914 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1915 return; | |
| 1916 } | |
| 1917 } | |
| 1918 | |
| 1919 do_write = 1; | |
| 1920 | |
| 1921 continue; | |
| 1922 } | |
| 1923 | |
| 1924 break; | |
| 1925 } | |
| 1926 | |
| 884 | 1927 if (downstream->data == r) { |
| 1928 if (ngx_handle_write_event(downstream->write, clcf->send_lowat) | |
| 583 | 1929 == NGX_ERROR) |
| 1930 { | |
| 1931 ngx_http_upstream_finalize_request(r, u, 0); | |
| 1932 return; | |
| 1933 } | |
| 581 | 1934 } |
| 1935 | |
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1936 if (downstream->write->active && !downstream->write->ready) { |
| 884 | 1937 ngx_add_timer(downstream->write, clcf->send_timeout); |
| 1938 | |
| 1939 } else if (downstream->write->timer_set) { | |
| 1940 ngx_del_timer(downstream->write); | |
| 581 | 1941 } |
| 1942 | |
| 884 | 1943 if (ngx_handle_read_event(upstream->read, 0) == NGX_ERROR) { |
| 581 | 1944 ngx_http_upstream_finalize_request(r, u, 0); |
| 1945 return; | |
| 1946 } | |
| 1947 | |
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1948 if (upstream->read->active && !upstream->read->ready) { |
| 884 | 1949 ngx_add_timer(upstream->read, u->conf->read_timeout); |
| 1950 | |
| 1951 } else if (upstream->read->timer_set) { | |
| 1952 ngx_del_timer(upstream->read); | |
| 581 | 1953 } |
| 1954 } | |
| 1955 | |
| 1956 | |
| 1957 static ngx_int_t | |
| 1958 ngx_http_upstream_non_buffered_filter_init(void *data) | |
| 1959 { | |
| 1960 return NGX_OK; | |
| 1961 } | |
| 1962 | |
| 1963 | |
| 1964 static ngx_int_t | |
| 1965 ngx_http_upstream_non_buffered_filter(void *data, ssize_t bytes) | |
| 1966 { | |
| 1967 ngx_http_request_t *r = data; | |
| 1968 | |
| 1969 ngx_buf_t *b; | |
| 1970 ngx_chain_t *cl, **ll; | |
| 1971 ngx_http_upstream_t *u; | |
| 1972 | |
| 1973 u = r->upstream; | |
| 1974 | |
| 1975 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
| 1976 ll = &cl->next; | |
| 1977 } | |
| 1978 | |
| 1979 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
| 1980 if (cl == NULL) { | |
| 1981 return NGX_ERROR; | |
| 1982 } | |
| 1983 | |
| 1984 *ll = cl; | |
| 1985 | |
| 1986 cl->buf->flush = 1; | |
| 1987 cl->buf->memory = 1; | |
| 1988 | |
| 1989 b = &u->buffer; | |
| 1990 | |
| 1991 cl->buf->pos = b->last; | |
| 1992 b->last += bytes; | |
| 1993 cl->buf->last = b->last; | |
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1994 cl->buf->tag = u->output.tag; |
| 581 | 1995 |
| 1996 if (u->length == NGX_MAX_SIZE_T_VALUE) { | |
| 1997 return NGX_OK; | |
| 1998 } | |
| 1999 | |
| 2000 u->length -= bytes; | |
| 2001 | |
| 2002 return NGX_OK; | |
| 2003 } | |
| 2004 | |
| 2005 | |
| 2006 static void | |
| 509 | 2007 ngx_http_upstream_process_downstream(ngx_http_request_t *r) |
| 2008 { | |
| 2009 ngx_http_upstream_process_body(r->connection->write); | |
| 2010 } | |
| 2011 | |
| 2012 | |
| 2013 static void | |
| 487 | 2014 ngx_http_upstream_process_body(ngx_event_t *ev) |
| 479 | 2015 { |
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2016 ngx_temp_file_t *tf; |
| 509 | 2017 ngx_event_pipe_t *p; |
| 583 | 2018 ngx_connection_t *c, *downstream; |
| 1098 | 2019 ngx_http_log_ctx_t *ctx; |
| 479 | 2020 ngx_http_request_t *r; |
| 2021 ngx_http_upstream_t *u; | |
| 2022 | |
| 2023 c = ev->data; | |
| 2024 r = c->data; | |
| 2025 u = r->upstream; | |
| 583 | 2026 downstream = r->connection; |
| 479 | 2027 |
| 2028 if (ev->write) { | |
| 483 | 2029 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 2030 "http upstream process downstream"); | |
| 2031 c->log->action = "sending to client"; | |
| 577 | 2032 |
| 479 | 2033 } else { |
| 483 | 2034 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 2035 "http upstream process upstream"); | |
| 2036 c->log->action = "reading upstream"; | |
| 1098 | 2037 |
| 2038 ctx = c->log->data; | |
| 2039 ctx->current_request = r; | |
| 479 | 2040 } |
| 577 | 2041 |
| 581 | 2042 p = u->pipe; |
| 479 | 2043 |
| 2044 if (ev->timedout) { | |
| 2045 if (ev->write) { | |
| 527 | 2046 if (ev->delayed) { |
| 2047 | |
| 2048 ev->timedout = 0; | |
| 2049 ev->delayed = 0; | |
| 2050 | |
| 2051 if (!ev->ready) { | |
| 2052 ngx_add_timer(ev, p->send_timeout); | |
| 2053 | |
| 2054 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) | |
| 2055 { | |
| 2056 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2057 return; | |
| 2058 } | |
| 2059 | |
| 2060 return; | |
| 2061 } | |
| 2062 | |
| 2063 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { | |
| 583 | 2064 |
| 2065 if (downstream->destroyed) { | |
| 2066 return; | |
| 2067 } | |
| 2068 | |
| 527 | 2069 ngx_http_upstream_finalize_request(r, u, 0); |
| 2070 return; | |
| 2071 } | |
| 2072 | |
| 2073 } else { | |
| 2074 p->downstream_error = 1; | |
| 577 | 2075 c->timedout = 1; |
| 611 | 2076 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
| 527 | 2077 } |
| 479 | 2078 |
| 2079 } else { | |
| 577 | 2080 p->upstream_error = 1; |
| 611 | 2081 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
| 479 | 2082 } |
| 2083 | |
| 2084 } else { | |
| 527 | 2085 if (ev->write && ev->delayed) { |
| 2086 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 2087 "http downstream delayed"); | |
| 2088 | |
| 2089 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) { | |
| 2090 return; | |
| 2091 } | |
| 2092 | |
| 2093 return; | |
| 2094 } | |
| 2095 | |
| 479 | 2096 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { |
| 583 | 2097 |
| 2098 if (downstream->destroyed) { | |
| 2099 return; | |
| 2100 } | |
| 2101 | |
| 479 | 2102 ngx_http_upstream_finalize_request(r, u, 0); |
| 2103 return; | |
| 2104 } | |
| 2105 } | |
| 577 | 2106 |
| 479 | 2107 if (u->peer.connection) { |
| 2108 | |
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2109 if (u->store) { |
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2110 |
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2111 tf = u->pipe->temp_file; |
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2112 |
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2113 if (p->upstream_eof |
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2114 && u->headers_in.status_n == NGX_HTTP_OK |
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2115 && (u->headers_in.content_length_n == -1 |
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2116 || (u->headers_in.content_length_n == tf->offset))) |
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2117 { |
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2118 ngx_http_upstream_store(r, u); |
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2119 |
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2120 } else if ((p->upstream_error |
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2121 || (p->upstream_eof |
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2122 && u->headers_in.status_n != NGX_HTTP_OK)) |
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2123 && tf->file.fd != NGX_INVALID_FILE) |
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2124 { |
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2125 if (ngx_delete_file(tf->file.name.data) == NGX_FILE_ERROR) { |
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2126 |
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2127 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
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2128 ngx_delete_file_n " \"%s\" failed", |
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2129 u->pipe->temp_file->file.name.data); |
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2130 } |
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2131 } |
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2132 } |
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2133 |
| 479 | 2134 #if (NGX_HTTP_FILE_CACHE) |
| 2135 | |
| 1565 | 2136 if (p->upstream_done && u->cacheable) { |
| 479 | 2137 if (ngx_http_cache_update(r) == NGX_ERROR) { |
| 2138 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2139 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2140 return; | |
| 2141 } | |
| 2142 | |
| 1565 | 2143 } else if (p->upstream_eof && u->cacheable) { |
| 479 | 2144 |
| 2145 /* TODO: check length & update cache */ | |
| 2146 | |
| 2147 if (ngx_http_cache_update(r) == NGX_ERROR) { | |
| 2148 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2149 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2150 return; | |
| 2151 } | |
| 2152 } | |
| 2153 | |
| 2154 #endif | |
| 2155 | |
| 2156 if (p->upstream_done || p->upstream_eof || p->upstream_error) { | |
| 483 | 2157 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 2158 "http upstream exit: %p", p->out); | |
| 479 | 2159 #if 0 |
| 2160 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2161 #endif | |
| 2162 ngx_http_upstream_finalize_request(r, u, 0); | |
| 2163 return; | |
| 2164 } | |
| 2165 } | |
| 2166 | |
| 2167 if (p->downstream_error) { | |
| 483 | 2168 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 2169 "http upstream downstream error"); | |
| 479 | 2170 |
| 1565 | 2171 if (!u->cacheable && u->peer.connection) { |
| 479 | 2172 ngx_http_upstream_finalize_request(r, u, 0); |
| 2173 } | |
| 2174 } | |
| 2175 } | |
| 2176 | |
| 2177 | |
| 487 | 2178 static void |
|
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2179 ngx_http_upstream_store(ngx_http_request_t *r, ngx_http_upstream_t *u) |
|
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2180 { |
|
1947
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|
2181 size_t root; |
|
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2182 time_t lm; |
|
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2183 ngx_str_t path; |
|
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|
2184 ngx_temp_file_t *tf; |
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2185 ngx_ext_rename_file_t ext; |
|
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2186 |
| 1777 | 2187 tf = u->pipe->temp_file; |
| 2188 | |
| 2189 if (tf->file.fd == NGX_INVALID_FILE) { | |
|
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2190 |
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|
2191 /* create file for empty 200 response */ |
|
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2192 |
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2193 tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
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2194 if (tf == NULL) { |
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|
2195 return; |
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|
2196 } |
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2197 |
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2198 tf->file.fd = NGX_INVALID_FILE; |
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2199 tf->file.log = r->connection->log; |
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|
2200 tf->path = u->conf->temp_path; |
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|
2201 tf->pool = r->pool; |
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2202 tf->persistent = 1; |
|
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2203 |
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|
2204 if (ngx_create_temp_file(&tf->file, tf->path, tf->pool, |
|
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|
2205 tf->persistent, tf->clean, tf->access) |
|
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|
2206 != NGX_OK) |
|
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2207 { |
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2208 return; |
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2209 } |
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|
2210 |
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2211 u->pipe->temp_file = tf; |
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2212 } |
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2213 |
|
1947
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2214 ext.access = u->conf->store_access; |
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2215 ext.time = -1; |
|
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2216 ext.create_path = 1; |
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2217 ext.delete_file = 1; |
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2218 ext.log = r->connection->log; |
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2219 |
| 1705 | 2220 if (u->headers_in.last_modified) { |
| 2221 | |
|
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2222 lm = ngx_http_parse_time(u->headers_in.last_modified->value.data, |
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2223 u->headers_in.last_modified->value.len); |
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2224 |
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2225 if (lm != NGX_ERROR) { |
|
1947
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2226 ext.time = lm; |
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2227 ext.fd = tf->file.fd; |
|
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2228 } |
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2229 } |
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|
2230 |
|
1295
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2231 if (u->conf->store_lengths == NULL) { |
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2232 |
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2233 ngx_http_map_uri_to_path(r, &path, &root, 0); |
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5383f5232364
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|
2234 |
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5383f5232364
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|
2235 } else { |
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2236 if (ngx_http_script_run(r, &path, u->conf->store_lengths->elts, 0, |
|
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|
2237 u->conf->store_values->elts) |
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5383f5232364
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|
2238 == NULL) |
|
5383f5232364
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|
2239 { |
|
5383f5232364
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|
2240 return; |
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|
2241 } |
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2242 } |
|
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2243 |
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2244 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
|
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2245 "upstream stores \"%s\" to \"%s\"", |
|
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2246 tf->file.name.data, path.data); |
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2247 |
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2248 (void) ngx_ext_rename_file(&tf->file.name, &path, &ext); |
|
1291
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2249 } |
|
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|
2250 |
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2251 |
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|
2252 static void |
| 487 | 2253 ngx_http_upstream_dummy_handler(ngx_event_t *wev) |
| 479 | 2254 { |
| 2255 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
| 2256 "http upstream dummy handler"); | |
| 2257 } | |
| 2258 | |
| 2259 | |
| 487 | 2260 static void |
| 2261 ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u, | |
| 2262 ngx_uint_t ft_type) | |
| 479 | 2263 { |
| 884 | 2264 ngx_uint_t status, state; |
| 479 | 2265 |
| 2266 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 884 | 2267 "http next upstream, %xi", ft_type); |
| 479 | 2268 |
| 2269 #if 0 | |
| 2270 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
| 2271 #endif | |
| 2272 | |
| 525 | 2273 if (ft_type == NGX_HTTP_UPSTREAM_FT_HTTP_404) { |
| 884 | 2274 state = NGX_PEER_NEXT; |
| 525 | 2275 } else { |
| 884 | 2276 state = NGX_PEER_FAILED; |
| 479 | 2277 } |
| 525 | 2278 |
| 1378 | 2279 if (ft_type != NGX_HTTP_UPSTREAM_FT_NOLIVE) { |
| 2280 u->peer.free(&u->peer, u->peer.data, state); | |
| 2281 } | |
| 525 | 2282 |
| 479 | 2283 if (ft_type == NGX_HTTP_UPSTREAM_FT_TIMEOUT) { |
| 2284 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ETIMEDOUT, | |
| 2285 "upstream timed out"); | |
| 2286 } | |
| 577 | 2287 |
| 479 | 2288 if (u->peer.cached && ft_type == NGX_HTTP_UPSTREAM_FT_ERROR) { |
| 2289 status = 0; | |
| 2290 | |
| 2291 } else { | |
| 2292 switch(ft_type) { | |
| 2293 | |
| 2294 case NGX_HTTP_UPSTREAM_FT_TIMEOUT: | |
| 2295 status = NGX_HTTP_GATEWAY_TIME_OUT; | |
| 2296 break; | |
| 2297 | |
| 2298 case NGX_HTTP_UPSTREAM_FT_HTTP_500: | |
| 2299 status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 2300 break; | |
| 2301 | |
| 2302 case NGX_HTTP_UPSTREAM_FT_HTTP_404: | |
| 2303 status = NGX_HTTP_NOT_FOUND; | |
| 2304 break; | |
| 2305 | |
| 2306 /* | |
| 2307 * NGX_HTTP_UPSTREAM_FT_BUSY_LOCK and NGX_HTTP_UPSTREAM_FT_MAX_WAITING | |
| 2308 * never reach here | |
| 2309 */ | |
| 2310 | |
| 2311 default: | |
| 2312 status = NGX_HTTP_BAD_GATEWAY; | |
| 2313 } | |
| 2314 } | |
| 2315 | |
| 583 | 2316 if (r->connection->error) { |
| 479 | 2317 ngx_http_upstream_finalize_request(r, u, |
| 2318 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
| 2319 return; | |
| 2320 } | |
| 2321 | |
| 2322 if (status) { | |
| 2323 u->state->status = status; | |
| 2324 | |
| 525 | 2325 if (u->peer.tries == 0 || !(u->conf->next_upstream & ft_type)) { |
| 479 | 2326 |
| 2327 #if (NGX_HTTP_CACHE) | |
| 2328 | |
| 2329 if (u->stale && (u->conf->use_stale & ft_type)) { | |
| 2330 ngx_http_upstream_finalize_request(r, u, | |
| 525 | 2331 ngx_http_send_cached_response(r)); |
| 479 | 2332 return; |
| 2333 } | |
| 2334 | |
| 2335 #endif | |
| 2336 | |
| 2337 ngx_http_upstream_finalize_request(r, u, status); | |
| 2338 return; | |
| 2339 } | |
| 2340 } | |
| 2341 | |
| 2342 if (u->peer.connection) { | |
| 2343 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2344 "close http upstream connection: %d", | |
| 2345 u->peer.connection->fd); | |
| 577 | 2346 #if (NGX_HTTP_SSL) |
| 884 | 2347 |
| 577 | 2348 if (u->peer.connection->ssl) { |
| 884 | 2349 u->peer.connection->ssl->no_wait_shutdown = 1; |
| 2350 u->peer.connection->ssl->no_send_shutdown = 1; | |
| 2351 | |
| 2352 (void) ngx_ssl_shutdown(u->peer.connection); | |
| 577 | 2353 } |
| 2354 #endif | |
| 884 | 2355 |
| 479 | 2356 ngx_close_connection(u->peer.connection); |
| 2357 } | |
| 2358 | |
| 2359 #if 0 | |
| 2360 if (u->conf->busy_lock && !u->busy_locked) { | |
| 2361 ngx_http_upstream_busy_lock(p); | |
| 2362 return; | |
| 2363 } | |
| 2364 #endif | |
| 2365 | |
| 2366 ngx_http_upstream_connect(r, u); | |
| 2367 } | |
| 2368 | |
| 2369 | |
| 487 | 2370 static void |
| 569 | 2371 ngx_http_upstream_cleanup(void *data) |
| 2372 { | |
| 2373 ngx_http_request_t *r = data; | |
| 2374 | |
| 1705 | 2375 ngx_http_upstream_t *u; |
| 2376 | |
| 569 | 2377 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2378 "cleanup http upstream request: \"%V\"", &r->uri); | |
| 2379 | |
| 1705 | 2380 u = r->upstream; |
| 2381 | |
| 2382 if (u->resolved && u->resolved->ctx) { | |
| 2383 ngx_resolve_name_done(u->resolved->ctx); | |
| 1658 | 2384 } |
| 2385 | |
| 1705 | 2386 ngx_http_upstream_finalize_request(r, u, NGX_DONE); |
| 569 | 2387 } |
| 2388 | |
| 2389 | |
| 2390 static void | |
| 487 | 2391 ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
| 2392 ngx_http_upstream_t *u, ngx_int_t rc) | |
| 479 | 2393 { |
|
889
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|
2394 ngx_time_t *tp; |
| 563 | 2395 |
| 483 | 2396 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2397 "finalize http upstream request: %i", rc); | |
| 479 | 2398 |
| 569 | 2399 *u->cleanup = NULL; |
| 2400 | |
| 1658 | 2401 if (u->state && u->state->response_sec) { |
| 563 | 2402 tp = ngx_timeofday(); |
|
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2403 u->state->response_sec = tp->sec - u->state->response_sec; |
|
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2404 u->state->response_msec = tp->msec - u->state->response_msec; |
| 563 | 2405 } |
| 2406 | |
| 479 | 2407 u->finalize_request(r, rc); |
| 2408 | |
| 1658 | 2409 if (u->peer.free) { |
| 2410 u->peer.free(&u->peer, u->peer.data, 0); | |
| 2411 } | |
| 884 | 2412 |
| 479 | 2413 if (u->peer.connection) { |
| 884 | 2414 |
| 577 | 2415 #if (NGX_HTTP_SSL) |
| 2416 | |
| 2417 /* TODO: do not shutdown persistent connection */ | |
| 2418 | |
| 2419 if (u->peer.connection->ssl) { | |
| 884 | 2420 |
| 2421 /* | |
| 2422 * We send the "close notify" shutdown alert to the upstream only | |
| 2423 * and do not wait its "close notify" shutdown alert. | |
| 2424 * It is acceptable according to the TLS standard. | |
| 2425 */ | |
| 2426 | |
| 2427 u->peer.connection->ssl->no_wait_shutdown = 1; | |
| 2428 | |
| 2429 (void) ngx_ssl_shutdown(u->peer.connection); | |
| 577 | 2430 } |
| 2431 #endif | |
| 884 | 2432 |
| 2433 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2434 "close http upstream connection: %d", | |
| 2435 u->peer.connection->fd); | |
| 2436 | |
| 479 | 2437 ngx_close_connection(u->peer.connection); |
| 2438 } | |
| 2439 | |
| 483 | 2440 u->peer.connection = NULL; |
| 2441 | |
| 563 | 2442 if (u->header_sent && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE)) |
| 479 | 2443 { |
| 2444 rc = 0; | |
| 2445 } | |
| 2446 | |
| 581 | 2447 if (u->pipe && u->pipe->temp_file) { |
| 479 | 2448 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2449 "http upstream temp fd: %d", | |
| 581 | 2450 u->pipe->temp_file->file.fd); |
| 479 | 2451 } |
| 2452 | |
| 2453 #if 0 | |
| 2454 if (u->cache) { | |
| 2455 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 483 | 2456 "http upstream cache fd: %d", |
| 479 | 2457 u->cache->ctx.file.fd); |
| 2458 } | |
| 2459 #endif | |
| 2460 | |
| 515 | 2461 if (rc == NGX_DECLINED) { |
| 2462 return; | |
| 2463 } | |
| 2464 | |
| 483 | 2465 r->connection->log->action = "sending to client"; |
| 2466 | |
|
1259
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parents:
1245
diff
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|
2467 if (rc == 0) { |
|
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parents:
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diff
changeset
|
2468 if (r == r->main) { |
|
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parents:
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diff
changeset
|
2469 if (!r->post_action) { |
|
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parents:
1245
diff
changeset
|
2470 rc = ngx_http_send_special(r, NGX_HTTP_LAST); |
|
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parents:
1245
diff
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|
2471 } |
|
05b5236c2ff5
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parents:
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diff
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|
2472 |
|
05b5236c2ff5
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parents:
1245
diff
changeset
|
2473 } else { |
|
05b5236c2ff5
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parents:
1245
diff
changeset
|
2474 if (r->out) { |
|
05b5236c2ff5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2475 rc = NGX_AGAIN; |
|
05b5236c2ff5
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parents:
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diff
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|
2476 } |
|
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parents:
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diff
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|
2477 } |
| 479 | 2478 } |
| 2479 | |
| 2480 ngx_http_finalize_request(r, rc); | |
| 2481 } | |
| 2482 | |
| 2483 | |
| 509 | 2484 static ngx_int_t |
| 2485 ngx_http_upstream_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2486 ngx_uint_t offset) | |
| 577 | 2487 { |
| 509 | 2488 ngx_table_elt_t **ph; |
| 577 | 2489 |
| 509 | 2490 ph = (ngx_table_elt_t **) ((char *) &r->upstream->headers_in + offset); |
| 2491 | |
| 2492 if (*ph == NULL) { | |
| 2493 *ph = h; | |
| 2494 } | |
| 2495 | |
| 2496 return NGX_OK; | |
| 2497 } | |
| 2498 | |
| 2499 | |
| 2500 static ngx_int_t | |
| 2501 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
| 2502 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2503 { | |
| 2504 ngx_array_t *pa; | |
| 2505 ngx_table_elt_t **ph; | |
| 2506 | |
| 2507 pa = (ngx_array_t *) ((char *) &r->upstream->headers_in + offset); | |
| 2508 | |
| 2509 if (pa->elts == NULL) { | |
| 2510 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
| 2511 { | |
| 2512 return NGX_ERROR; | |
| 2513 } | |
| 2514 } | |
| 2515 | |
| 2516 ph = ngx_array_push(pa); | |
| 2517 if (ph == NULL) { | |
| 2518 return NGX_ERROR; | |
| 2519 } | |
| 2520 | |
| 2521 *ph = h; | |
| 2522 | |
| 2523 return NGX_OK; | |
| 2524 } | |
| 2525 | |
| 2526 | |
| 2527 static ngx_int_t | |
| 2528 ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2529 ngx_uint_t offset) | |
| 2530 { | |
| 2531 return NGX_OK; | |
| 2532 } | |
| 2533 | |
| 2534 | |
| 2535 static ngx_int_t | |
| 527 | 2536 ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2537 ngx_uint_t offset) | |
| 577 | 2538 { |
| 527 | 2539 ngx_int_t n; |
| 2540 | |
| 2541 r->upstream->headers_in.x_accel_limit_rate = h; | |
| 2542 | |
| 2543 n = ngx_atoi(h->value.data, h->value.len); | |
| 2544 | |
| 2545 if (n != NGX_ERROR) { | |
| 2546 r->limit_rate = (size_t) n; | |
| 2547 } | |
| 2548 | |
| 2549 return NGX_OK; | |
| 2550 } | |
| 2551 | |
| 2552 | |
| 2553 static ngx_int_t | |
| 649 | 2554 ngx_http_upstream_process_buffering(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2555 ngx_uint_t offset) | |
| 2556 { | |
| 2557 u_char c0, c1, c2; | |
| 2558 | |
| 2559 if (r->upstream->conf->change_buffering) { | |
| 2560 | |
| 2561 if (h->value.len == 2) { | |
| 2562 c0 = ngx_tolower(h->value.data[0]); | |
| 2563 c1 = ngx_tolower(h->value.data[1]); | |
| 2564 | |
| 2565 if (c0 == 'n' && c1 == 'o') { | |
| 2566 r->upstream->buffering = 0; | |
| 2567 } | |
| 2568 | |
| 2569 } else if (h->value.len == 3) { | |
| 2570 c0 = ngx_tolower(h->value.data[0]); | |
| 2571 c1 = ngx_tolower(h->value.data[1]); | |
| 2572 c2 = ngx_tolower(h->value.data[2]); | |
| 2573 | |
| 2574 if (c0 == 'y' && c1 == 'e' && c2 == 's') { | |
| 2575 r->upstream->buffering = 1; | |
| 2576 } | |
| 2577 } | |
| 2578 } | |
| 2579 | |
| 2580 return NGX_OK; | |
| 2581 } | |
| 2582 | |
| 2583 | |
| 2584 static ngx_int_t | |
| 657 | 2585 ngx_http_upstream_process_charset(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2586 ngx_uint_t offset) | |
| 2587 { | |
| 2588 r->headers_out.override_charset = &h->value; | |
| 2589 | |
| 2590 return NGX_OK; | |
| 2591 } | |
| 2592 | |
| 2593 | |
| 2594 static ngx_int_t | |
| 509 | 2595 ngx_http_upstream_copy_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 2596 ngx_uint_t offset) | |
| 2597 { | |
| 573 | 2598 ngx_table_elt_t *ho, **ph; |
| 509 | 2599 |
| 2600 ho = ngx_list_push(&r->headers_out.headers); | |
| 2601 if (ho == NULL) { | |
| 2602 return NGX_ERROR; | |
| 2603 } | |
| 2604 | |
| 2605 *ho = *h; | |
| 2606 | |
| 573 | 2607 if (offset) { |
| 2608 ph = (ngx_table_elt_t **) ((char *) &r->headers_out + offset); | |
| 2609 *ph = ho; | |
| 2610 } | |
| 2611 | |
| 509 | 2612 return NGX_OK; |
| 2613 } | |
| 2614 | |
| 2615 | |
| 2616 static ngx_int_t | |
| 2617 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
| 2618 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2619 { | |
| 2620 ngx_array_t *pa; | |
| 2621 ngx_table_elt_t *ho, **ph; | |
| 2622 | |
| 2623 pa = (ngx_array_t *) ((char *) &r->headers_out + offset); | |
| 2624 | |
| 2625 if (pa->elts == NULL) { | |
| 2626 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
| 2627 { | |
| 2628 return NGX_ERROR; | |
| 2629 } | |
| 2630 } | |
| 2631 | |
| 2632 ph = ngx_array_push(pa); | |
| 2633 if (ph == NULL) { | |
| 2634 return NGX_ERROR; | |
| 2635 } | |
| 2636 | |
| 2637 ho = ngx_list_push(&r->headers_out.headers); | |
| 2638 if (ho == NULL) { | |
| 2639 return NGX_ERROR; | |
| 2640 } | |
| 2641 | |
| 2642 *ho = *h; | |
| 2643 *ph = ho; | |
| 2644 | |
| 2645 return NGX_OK; | |
| 2646 } | |
| 2647 | |
| 2648 | |
| 2649 static ngx_int_t | |
| 2650 ngx_http_upstream_copy_content_type(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2651 ngx_uint_t offset) | |
| 2652 { | |
| 657 | 2653 u_char *p, *last; |
| 2654 | |
| 2655 r->headers_out.content_type_len = h->value.len; | |
| 509 | 2656 r->headers_out.content_type = h->value; |
| 2657 | |
| 657 | 2658 for (p = h->value.data; *p; p++) { |
| 2659 | |
| 2660 if (*p != ';') { | |
| 2661 continue; | |
| 2662 } | |
| 2663 | |
| 2664 last = p; | |
| 2665 | |
| 2666 while (*++p == ' ') { /* void */ } | |
| 2667 | |
| 1968 | 2668 if (*p == '\0') { |
| 2669 return NGX_OK; | |
| 2670 } | |
| 2671 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1098
diff
changeset
|
2672 if (ngx_strncasecmp(p, (u_char *) "charset=", 8) != 0) { |
| 657 | 2673 continue; |
| 2674 } | |
| 2675 | |
| 2676 p += 8; | |
| 2677 | |
| 2678 r->headers_out.content_type_len = last - h->value.data; | |
| 2679 | |
| 2244 | 2680 if (*p == '"') { |
| 2681 p++; | |
| 2682 } | |
| 2683 | |
| 2684 last = h->value.data + h->value.len; | |
| 2685 | |
| 2686 if (*(last - 1) == '"') { | |
| 2687 last--; | |
| 2688 } | |
| 2689 | |
| 2690 r->headers_out.charset.len = last - p; | |
| 657 | 2691 r->headers_out.charset.data = p; |
|
1143
c6c42497106c
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parents:
1109
diff
changeset
|
2692 |
|
c6c42497106c
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parents:
1109
diff
changeset
|
2693 return NGX_OK; |
| 657 | 2694 } |
| 2695 | |
| 509 | 2696 return NGX_OK; |
| 2697 } | |
| 2698 | |
| 2699 | |
| 2700 static ngx_int_t | |
| 2701 ngx_http_upstream_copy_content_length(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2702 ngx_uint_t offset) | |
| 2703 { | |
| 2704 ngx_table_elt_t *ho; | |
| 2705 | |
| 2706 ho = ngx_list_push(&r->headers_out.headers); | |
| 2707 if (ho == NULL) { | |
| 2708 return NGX_ERROR; | |
| 2709 } | |
| 2710 | |
| 2711 *ho = *h; | |
| 2712 | |
| 2713 r->headers_out.content_length = ho; | |
| 2714 r->headers_out.content_length_n = ngx_atoof(h->value.data, h->value.len); | |
| 2715 | |
| 2716 return NGX_OK; | |
| 2717 } | |
| 2718 | |
| 2719 | |
| 2720 static ngx_int_t | |
| 2721 ngx_http_upstream_rewrite_location(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2722 ngx_uint_t offset) | |
| 2723 { | |
| 2724 ngx_int_t rc; | |
| 2725 ngx_table_elt_t *ho; | |
| 2726 | |
| 2727 ho = ngx_list_push(&r->headers_out.headers); | |
| 2728 if (ho == NULL) { | |
| 2729 return NGX_ERROR; | |
| 2730 } | |
| 2731 | |
| 2732 *ho = *h; | |
| 2733 | |
| 2734 if (r->upstream->rewrite_redirect) { | |
| 2735 rc = r->upstream->rewrite_redirect(r, ho, 0); | |
| 2736 | |
| 529 | 2737 if (rc == NGX_DECLINED) { |
| 2738 return NGX_OK; | |
| 2739 } | |
| 2740 | |
| 509 | 2741 if (rc == NGX_OK) { |
| 2742 r->headers_out.location = ho; | |
| 2743 | |
| 2744 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2745 "rewritten location: \"%V\"", &ho->value); | |
| 2746 } | |
| 2747 | |
| 2748 return rc; | |
| 2749 } | |
| 2750 | |
|
1653
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2751 if (ho->value.data[0] != '/') { |
|
ea681a6a0c61
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Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2752 r->headers_out.location = ho; |
|
ea681a6a0c61
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Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2753 } |
|
ea681a6a0c61
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Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2754 |
| 509 | 2755 /* |
| 2756 * we do not set r->headers_out.location here to avoid the handling | |
| 2757 * the local redirects without a host name by ngx_http_header_filter() | |
| 2758 */ | |
| 2759 | |
| 2760 return NGX_OK; | |
| 2761 } | |
| 2762 | |
| 2763 | |
| 2764 static ngx_int_t | |
| 2765 ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 2766 ngx_uint_t offset) | |
| 2767 { | |
| 2768 u_char *p; | |
| 2769 ngx_int_t rc; | |
| 2770 ngx_table_elt_t *ho; | |
| 2771 | |
| 2772 ho = ngx_list_push(&r->headers_out.headers); | |
| 2773 if (ho == NULL) { | |
| 2774 return NGX_ERROR; | |
| 2775 } | |
| 2776 | |
| 2777 *ho = *h; | |
| 2778 | |
| 2779 if (r->upstream->rewrite_redirect) { | |
| 2780 | |
| 1549 | 2781 p = ngx_strcasestrn(ho->value.data, "url=", 4 - 1); |
| 509 | 2782 |
| 2783 if (p) { | |
| 2784 rc = r->upstream->rewrite_redirect(r, ho, p + 4 - ho->value.data); | |
| 2785 | |
| 2786 } else { | |
| 2787 return NGX_OK; | |
| 2788 } | |
| 2789 | |
| 529 | 2790 if (rc == NGX_DECLINED) { |
| 2791 return NGX_OK; | |
| 2792 } | |
| 2793 | |
| 509 | 2794 if (rc == NGX_OK) { |
| 1654 | 2795 r->headers_out.refresh = ho; |
| 2796 | |
| 509 | 2797 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 2798 "rewritten refresh: \"%V\"", &ho->value); | |
| 2799 } | |
| 2800 | |
| 2801 return rc; | |
| 2802 } | |
| 2803 | |
| 1654 | 2804 r->headers_out.refresh = ho; |
| 2805 | |
| 509 | 2806 return NGX_OK; |
| 2807 } | |
| 2808 | |
| 2809 | |
| 2810 #if (NGX_HTTP_GZIP) | |
| 2811 | |
| 2812 static ngx_int_t | |
| 2813 ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
| 2814 ngx_table_elt_t *h, ngx_uint_t offset) | |
| 2815 { | |
| 2816 ngx_table_elt_t *ho; | |
| 2817 | |
| 2818 ho = ngx_list_push(&r->headers_out.headers); | |
| 2819 if (ho == NULL) { | |
| 2820 return NGX_ERROR; | |
| 2821 } | |
| 2822 | |
| 2823 *ho = *h; | |
| 2824 | |
| 2825 r->headers_out.content_encoding = ho; | |
| 2826 | |
| 2827 return NGX_OK; | |
| 2828 } | |
| 2829 | |
| 2830 #endif | |
| 2831 | |
| 2832 | |
| 487 | 2833 static ngx_int_t |
| 573 | 2834 ngx_http_upstream_add_variables(ngx_conf_t *cf) |
| 479 | 2835 { |
| 880 | 2836 ngx_http_variable_t *var, *v; |
| 479 | 2837 |
| 573 | 2838 for (v = ngx_http_upstream_vars; v->name.len; v++) { |
| 2839 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
| 2840 if (var == NULL) { | |
| 2841 return NGX_ERROR; | |
| 2842 } | |
| 2843 | |
| 637 | 2844 var->get_handler = v->get_handler; |
| 573 | 2845 var->data = v->data; |
| 2846 } | |
| 2847 | |
| 479 | 2848 return NGX_OK; |
| 2849 } | |
| 509 | 2850 |
| 2851 | |
| 573 | 2852 static ngx_int_t |
| 1181 | 2853 ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
| 2854 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2855 { | |
| 2856 u_char *p; | |
| 2857 size_t len; | |
| 2858 ngx_uint_t i; | |
| 2859 ngx_http_upstream_state_t *state; | |
| 2860 | |
| 2861 v->valid = 1; | |
| 1565 | 2862 v->no_cacheable = 0; |
| 1181 | 2863 v->not_found = 0; |
| 2864 | |
| 2865 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { | |
| 2866 v->not_found = 1; | |
| 2867 return NGX_OK; | |
| 2868 } | |
| 2869 | |
| 2870 len = 0; | |
| 2871 state = r->upstream_states->elts; | |
| 2872 | |
| 2873 for (i = 0; i < r->upstream_states->nelts; i++) { | |
| 2874 if (state[i].peer) { | |
| 2875 len += state[i].peer->len + 2; | |
| 2876 | |
| 2877 } else { | |
| 2878 len += 3; | |
| 2879 } | |
| 2880 } | |
| 2881 | |
| 2049 | 2882 p = ngx_pnalloc(r->pool, len); |
| 1181 | 2883 if (p == NULL) { |
| 2884 return NGX_ERROR; | |
| 2885 } | |
| 2886 | |
| 2887 v->data = p; | |
| 2888 | |
| 2889 i = 0; | |
| 2890 | |
| 2891 for ( ;; ) { | |
| 2892 if (state[i].peer) { | |
| 2893 p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len); | |
| 2894 } | |
| 2895 | |
| 2896 if (++i == r->upstream_states->nelts) { | |
| 2897 break; | |
| 2898 } | |
| 2899 | |
| 2900 if (state[i].peer) { | |
| 2901 *p++ = ','; | |
| 2902 *p++ = ' '; | |
| 2903 | |
| 2904 } else { | |
| 2905 *p++ = ' '; | |
| 2906 *p++ = ':'; | |
| 2907 *p++ = ' '; | |
| 2908 | |
| 2909 if (++i == r->upstream_states->nelts) { | |
| 2910 break; | |
| 2911 } | |
| 2912 | |
| 2913 continue; | |
| 2914 } | |
| 2915 } | |
| 2916 | |
| 2917 v->len = p - v->data; | |
| 2918 | |
| 2919 return NGX_OK; | |
| 2920 } | |
| 2921 | |
| 2922 | |
| 2923 static ngx_int_t | |
| 573 | 2924 ngx_http_upstream_status_variable(ngx_http_request_t *r, |
| 2925 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2926 { | |
| 2927 u_char *p; | |
| 2928 size_t len; | |
| 2929 ngx_uint_t i; | |
| 2930 ngx_http_upstream_state_t *state; | |
| 2931 | |
| 2932 v->valid = 1; | |
| 1565 | 2933 v->no_cacheable = 0; |
| 573 | 2934 v->not_found = 0; |
| 2935 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2936 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
| 573 | 2937 v->not_found = 1; |
| 2938 return NGX_OK; | |
| 2939 } | |
| 2940 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2941 len = r->upstream_states->nelts * (3 + 2); |
| 573 | 2942 |
| 2049 | 2943 p = ngx_pnalloc(r->pool, len); |
| 573 | 2944 if (p == NULL) { |
| 2945 return NGX_ERROR; | |
| 2946 } | |
| 2947 | |
| 2948 v->data = p; | |
| 2949 | |
| 2950 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
|
2951 state = r->upstream_states->elts; |
| 573 | 2952 |
| 2953 for ( ;; ) { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2954 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
|
2955 p = ngx_sprintf(p, "%ui", state[i].status); |
| 573 | 2956 |
| 2957 } else { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2958 *p++ = '-'; |
| 573 | 2959 } |
| 2960 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2961 if (++i == r->upstream_states->nelts) { |
| 573 | 2962 break; |
| 2963 } | |
| 2964 | |
|
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].peer) { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2966 *p++ = ','; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2967 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2968 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2969 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2970 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2971 *p++ = ':'; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2972 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2973 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2974 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
|
2975 break; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2976 } |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2977 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2978 continue; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2979 } |
| 573 | 2980 } |
| 2981 | |
| 2982 v->len = p - v->data; | |
| 2983 | |
| 2984 return NGX_OK; | |
| 2985 } | |
| 2986 | |
| 2987 | |
| 2988 static ngx_int_t | |
| 2989 ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
| 2990 ngx_http_variable_value_t *v, uintptr_t data) | |
| 2991 { | |
| 2992 u_char *p; | |
| 2993 size_t len; | |
| 2994 ngx_uint_t i; | |
|
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2995 ngx_msec_int_t ms; |
| 573 | 2996 ngx_http_upstream_state_t *state; |
| 2997 | |
| 2998 v->valid = 1; | |
| 1565 | 2999 v->no_cacheable = 0; |
| 573 | 3000 v->not_found = 0; |
| 3001 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3002 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
| 573 | 3003 v->not_found = 1; |
| 3004 return NGX_OK; | |
| 3005 } | |
| 3006 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3007 len = r->upstream_states->nelts * (NGX_TIME_T_LEN + 4 + 2); |
| 573 | 3008 |
| 2049 | 3009 p = ngx_pnalloc(r->pool, len); |
| 573 | 3010 if (p == NULL) { |
| 3011 return NGX_ERROR; | |
| 3012 } | |
| 3013 | |
| 3014 v->data = p; | |
| 3015 | |
| 3016 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
|
3017 state = r->upstream_states->elts; |
| 573 | 3018 |
| 3019 for ( ;; ) { | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3020 if (state[i].status) { |
| 1640 | 3021 ms = (ngx_msec_int_t) |
| 3022 (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
|
3023 ms = (ms >= 0) ? ms : 0; |
|
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
3024 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
|
3025 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3026 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3027 *p++ = '-'; |
| 573 | 3028 } |
| 3029 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3030 if (++i == r->upstream_states->nelts) { |
| 573 | 3031 break; |
| 3032 } | |
| 3033 | |
|
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3034 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
|
3035 *p++ = ','; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3036 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3037 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3038 } else { |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3039 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3040 *p++ = ':'; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3041 *p++ = ' '; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3042 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3043 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
|
3044 break; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3045 } |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3046 |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3047 continue; |
|
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3048 } |
| 573 | 3049 } |
| 3050 | |
| 3051 v->len = p - v->data; | |
| 3052 | |
| 3053 return NGX_OK; | |
| 3054 } | |
| 3055 | |
| 3056 | |
| 1162 | 3057 ngx_int_t |
| 3058 ngx_http_upstream_header_variable(ngx_http_request_t *r, | |
| 3059 ngx_http_variable_value_t *v, uintptr_t data) | |
| 3060 { | |
| 3061 if (r->upstream == NULL) { | |
| 3062 v->not_found = 1; | |
| 3063 return NGX_OK; | |
| 3064 } | |
| 3065 | |
| 3066 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 3067 &r->upstream->headers_in.headers.part, | |
| 3068 sizeof("upstream_http_") - 1); | |
| 3069 } | |
| 3070 | |
| 3071 | |
| 651 | 3072 static char * |
| 3073 ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) | |
| 3074 { | |
| 884 | 3075 char *rv; |
| 3076 void *mconf; | |
| 3077 ngx_str_t *value; | |
| 3078 ngx_url_t u; | |
| 3079 ngx_uint_t m; | |
| 3080 ngx_conf_t pcf; | |
| 3081 ngx_http_module_t *module; | |
| 3082 ngx_http_conf_ctx_t *ctx, *http_ctx; | |
| 3083 ngx_http_upstream_srv_conf_t *uscf; | |
| 3084 | |
| 3085 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 3086 | |
| 3087 value = cf->args->elts; | |
| 3088 u.host = value[1]; | |
| 3089 u.no_resolve = 1; | |
| 3090 | |
| 3091 uscf = ngx_http_upstream_add(cf, &u, NGX_HTTP_UPSTREAM_CREATE | |
| 3092 |NGX_HTTP_UPSTREAM_WEIGHT | |
| 3093 |NGX_HTTP_UPSTREAM_MAX_FAILS | |
| 3094 |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT | |
| 3095 |NGX_HTTP_UPSTREAM_DOWN | |
| 3096 |NGX_HTTP_UPSTREAM_BACKUP); | |
| 3097 if (uscf == NULL) { | |
| 3098 return NGX_CONF_ERROR; | |
| 3099 } | |
| 3100 | |
| 651 | 3101 |
| 3102 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); | |
| 3103 if (ctx == NULL) { | |
| 3104 return NGX_CONF_ERROR; | |
| 3105 } | |
| 3106 | |
| 884 | 3107 http_ctx = cf->ctx; |
| 3108 ctx->main_conf = http_ctx->main_conf; | |
| 651 | 3109 |
| 3110 /* the upstream{}'s srv_conf */ | |
| 3111 | |
| 3112 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| 3113 if (ctx->srv_conf == NULL) { | |
| 3114 return NGX_CONF_ERROR; | |
| 3115 } | |
| 3116 | |
| 3117 ctx->srv_conf[ngx_http_upstream_module.ctx_index] = uscf; | |
| 3118 | |
| 884 | 3119 uscf->srv_conf = ctx->srv_conf; |
| 3120 | |
| 651 | 3121 |
| 3122 /* the upstream{}'s loc_conf */ | |
| 3123 | |
| 3124 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| 3125 if (ctx->loc_conf == NULL) { | |
| 3126 return NGX_CONF_ERROR; | |
| 3127 } | |
| 3128 | |
| 3129 for (m = 0; ngx_modules[m]; m++) { | |
| 3130 if (ngx_modules[m]->type != NGX_HTTP_MODULE) { | |
| 3131 continue; | |
| 3132 } | |
| 3133 | |
| 3134 module = ngx_modules[m]->ctx; | |
| 3135 | |
| 884 | 3136 if (module->create_srv_conf) { |
| 3137 mconf = module->create_srv_conf(cf); | |
| 3138 if (mconf == NULL) { | |
| 3139 return NGX_CONF_ERROR; | |
| 3140 } | |
| 3141 | |
| 3142 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
| 3143 } | |
| 3144 | |
| 651 | 3145 if (module->create_loc_conf) { |
| 3146 mconf = module->create_loc_conf(cf); | |
| 3147 if (mconf == NULL) { | |
| 3148 return NGX_CONF_ERROR; | |
| 3149 } | |
| 3150 | |
| 3151 ctx->loc_conf[ngx_modules[m]->ctx_index] = mconf; | |
| 3152 } | |
| 3153 } | |
| 3154 | |
| 3155 | |
| 3156 /* parse inside upstream{} */ | |
| 3157 | |
| 3158 pcf = *cf; | |
| 3159 cf->ctx = ctx; | |
| 3160 cf->cmd_type = NGX_HTTP_UPS_CONF; | |
| 3161 | |
| 3162 rv = ngx_conf_parse(cf, NULL); | |
| 3163 | |
| 3164 *cf = pcf; | |
| 3165 | |
| 3166 if (rv != NGX_CONF_OK) { | |
| 3167 return rv; | |
| 3168 } | |
| 3169 | |
| 3170 if (uscf->servers == NULL) { | |
| 3171 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3172 "no servers are inside upstream"); | |
| 3173 return NGX_CONF_ERROR; | |
| 3174 } | |
| 3175 | |
| 3176 return rv; | |
| 3177 } | |
| 3178 | |
| 3179 | |
| 3180 static char * | |
| 3181 ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 3182 { | |
| 3183 ngx_http_upstream_srv_conf_t *uscf = conf; | |
| 3184 | |
| 884 | 3185 time_t fail_timeout; |
| 3186 ngx_str_t *value, s; | |
| 3187 ngx_url_t u; | |
| 3188 ngx_int_t weight, max_fails; | |
| 3189 ngx_uint_t i; | |
| 3190 ngx_http_upstream_server_t *us; | |
| 651 | 3191 |
| 3192 if (uscf->servers == NULL) { | |
| 884 | 3193 uscf->servers = ngx_array_create(cf->pool, 4, |
| 3194 sizeof(ngx_http_upstream_server_t)); | |
| 651 | 3195 if (uscf->servers == NULL) { |
| 3196 return NGX_CONF_ERROR; | |
| 3197 } | |
| 3198 } | |
| 3199 | |
| 884 | 3200 us = ngx_array_push(uscf->servers); |
| 3201 if (us == NULL) { | |
| 651 | 3202 return NGX_CONF_ERROR; |
| 3203 } | |
| 3204 | |
| 884 | 3205 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); |
| 3206 | |
| 651 | 3207 value = cf->args->elts; |
| 3208 | |
| 3209 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 3210 | |
| 3211 u.url = value[1]; | |
| 906 | 3212 u.default_port = 80; |
| 651 | 3213 |
|
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3214 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
| 651 | 3215 if (u.err) { |
| 3216 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3217 "%s in upstream \"%V\"", u.err, &u.url); | |
| 3218 } | |
| 3219 | |
| 3220 return NGX_CONF_ERROR; | |
| 3221 } | |
| 3222 | |
| 663 | 3223 weight = 1; |
| 884 | 3224 max_fails = 1; |
| 3225 fail_timeout = 10; | |
| 3226 | |
| 3227 for (i = 2; i < cf->args->nelts; i++) { | |
| 3228 | |
| 3229 if (ngx_strncmp(value[i].data, "weight=", 7) == 0) { | |
| 3230 | |
| 3231 if (!(uscf->flags & NGX_HTTP_UPSTREAM_WEIGHT)) { | |
| 3232 goto invalid; | |
| 3233 } | |
| 3234 | |
| 3235 weight = ngx_atoi(&value[i].data[7], value[i].len - 7); | |
| 663 | 3236 |
| 3237 if (weight == NGX_ERROR || weight == 0) { | |
| 3238 goto invalid; | |
| 3239 } | |
| 3240 | |
| 884 | 3241 continue; |
| 3242 } | |
| 3243 | |
| 3244 if (ngx_strncmp(value[i].data, "max_fails=", 10) == 0) { | |
| 3245 | |
| 3246 if (!(uscf->flags & NGX_HTTP_UPSTREAM_MAX_FAILS)) { | |
| 3247 goto invalid; | |
| 3248 } | |
| 3249 | |
| 3250 max_fails = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
| 3251 | |
| 3252 if (max_fails == NGX_ERROR) { | |
| 3253 goto invalid; | |
| 3254 } | |
| 3255 | |
| 3256 continue; | |
| 663 | 3257 } |
| 884 | 3258 |
| 3259 if (ngx_strncmp(value[i].data, "fail_timeout=", 13) == 0) { | |
| 3260 | |
| 3261 if (!(uscf->flags & NGX_HTTP_UPSTREAM_FAIL_TIMEOUT)) { | |
| 3262 goto invalid; | |
| 3263 } | |
| 3264 | |
| 3265 s.len = value[i].len - 13; | |
| 3266 s.data = &value[i].data[13]; | |
| 3267 | |
| 3268 fail_timeout = ngx_parse_time(&s, 1); | |
| 3269 | |
| 1973 | 3270 if (fail_timeout == NGX_ERROR) { |
| 884 | 3271 goto invalid; |
| 3272 } | |
| 3273 | |
| 3274 continue; | |
| 3275 } | |
| 3276 | |
| 1378 | 3277 if (ngx_strncmp(value[i].data, "backup", 6) == 0) { |
| 3278 | |
| 3279 if (!(uscf->flags & NGX_HTTP_UPSTREAM_BACKUP)) { | |
| 3280 goto invalid; | |
| 3281 } | |
| 3282 | |
| 3283 us->backup = 1; | |
| 3284 | |
| 3285 continue; | |
| 3286 } | |
| 3287 | |
| 884 | 3288 if (ngx_strncmp(value[i].data, "down", 4) == 0) { |
| 3289 | |
| 3290 if (!(uscf->flags & NGX_HTTP_UPSTREAM_DOWN)) { | |
| 3291 goto invalid; | |
| 3292 } | |
| 3293 | |
| 3294 us->down = 1; | |
| 3295 | |
| 3296 continue; | |
| 3297 } | |
| 3298 | |
| 3299 goto invalid; | |
| 663 | 3300 } |
| 3301 | |
| 884 | 3302 us->addrs = u.addrs; |
| 3303 us->naddrs = u.naddrs; | |
| 3304 us->weight = weight; | |
| 3305 us->max_fails = max_fails; | |
| 3306 us->fail_timeout = fail_timeout; | |
| 651 | 3307 |
| 3308 return NGX_CONF_OK; | |
| 663 | 3309 |
| 3310 invalid: | |
| 3311 | |
| 884 | 3312 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 3313 "invalid parameter \"%V\"", &value[i]); | |
| 663 | 3314 |
| 3315 return NGX_CONF_ERROR; | |
| 651 | 3316 } |
| 3317 | |
| 3318 | |
| 3319 ngx_http_upstream_srv_conf_t * | |
| 884 | 3320 ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags) |
| 651 | 3321 { |
| 3322 ngx_uint_t i; | |
| 884 | 3323 ngx_http_upstream_server_t *us; |
| 651 | 3324 ngx_http_upstream_srv_conf_t *uscf, **uscfp; |
| 3325 ngx_http_upstream_main_conf_t *umcf; | |
| 3326 | |
| 884 | 3327 if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) { |
| 3328 | |
|
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3329 if (ngx_parse_url(cf->pool, u) != NGX_OK) { |
| 651 | 3330 if (u->err) { |
| 3331 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 3332 "%s in upstream \"%V\"", u->err, &u->url); | |
| 3333 } | |
| 3334 | |
| 3335 return NULL; | |
| 3336 } | |
| 3337 } | |
| 3338 | |
| 3339 umcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_upstream_module); | |
| 3340 | |
| 3341 uscfp = umcf->upstreams.elts; | |
| 3342 | |
| 3343 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 906 | 3344 |
| 3345 if (uscfp[i]->host.len != u->host.len | |
| 884 | 3346 || ngx_strncasecmp(uscfp[i]->host.data, u->host.data, u->host.len) |
| 3347 != 0) | |
| 3348 { | |
| 651 | 3349 continue; |
| 3350 } | |
| 3351 | |
| 884 | 3352 if ((flags & NGX_HTTP_UPSTREAM_CREATE) |
| 3353 && (uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE)) | |
| 651 | 3354 { |
| 884 | 3355 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 3356 "duplicate upstream \"%V\"", &u->host); | |
| 3357 return NULL; | |
| 651 | 3358 } |
| 884 | 3359 |
| 906 | 3360 if ((uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE) && u->port) { |
| 884 | 3361 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
| 906 | 3362 "upstream \"%V\" may not have port %d", |
| 3363 &u->host, u->port); | |
| 3364 return NULL; | |
| 3365 } | |
| 3366 | |
| 3367 if ((flags & NGX_HTTP_UPSTREAM_CREATE) && uscfp[i]->port) { | |
| 3368 ngx_log_error(NGX_LOG_WARN, cf->log, 0, | |
| 3369 "upstream \"%V\" may not have port %d in %s:%ui", | |
| 3370 &u->host, uscfp[i]->port, | |
|
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3371 uscfp[i]->file_name, uscfp[i]->line); |
| 906 | 3372 return NULL; |
| 3373 } | |
| 3374 | |
| 3375 if (uscfp[i]->port != u->port) { | |
| 3376 continue; | |
| 884 | 3377 } |
| 3378 | |
| 1340 | 3379 if (uscfp[i]->default_port && u->default_port |
| 3380 && uscfp[i]->default_port != u->default_port) | |
| 3381 { | |
| 3382 continue; | |
| 3383 } | |
| 3384 | |
| 884 | 3385 return uscfp[i]; |
| 651 | 3386 } |
| 3387 | |
| 3388 uscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_srv_conf_t)); | |
| 3389 if (uscf == NULL) { | |
| 3390 return NULL; | |
| 3391 } | |
| 3392 | |
| 884 | 3393 uscf->flags = flags; |
| 651 | 3394 uscf->host = u->host; |
|
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3395 uscf->file_name = cf->conf_file->file.name.data; |
| 651 | 3396 uscf->line = cf->conf_file->line; |
| 906 | 3397 uscf->port = u->port; |
| 3398 uscf->default_port = u->default_port; | |
| 884 | 3399 |
| 3400 if (u->naddrs == 1) { | |
| 3401 uscf->servers = ngx_array_create(cf->pool, 1, | |
| 3402 sizeof(ngx_http_upstream_server_t)); | |
| 3403 if (uscf->servers == NULL) { | |
| 3404 return NGX_CONF_ERROR; | |
| 3405 } | |
| 3406 | |
| 3407 us = ngx_array_push(uscf->servers); | |
| 3408 if (us == NULL) { | |
| 3409 return NGX_CONF_ERROR; | |
| 3410 } | |
| 3411 | |
| 3412 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); | |
| 3413 | |
| 3414 us->addrs = u->addrs; | |
| 3415 us->naddrs = u->naddrs; | |
| 3416 } | |
| 651 | 3417 |
| 3418 uscfp = ngx_array_push(&umcf->upstreams); | |
| 3419 if (uscfp == NULL) { | |
| 3420 return NULL; | |
| 3421 } | |
| 3422 | |
| 3423 *uscfp = uscf; | |
| 3424 | |
| 3425 return uscf; | |
| 3426 } | |
| 3427 | |
| 3428 | |
|
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3429 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
|
3430 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
|
3431 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
|
3432 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
|
3433 { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3434 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
|
3435 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
|
3436 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
|
3437 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
|
3438 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3439 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
|
3440 && 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
|
3441 { |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3442 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
|
3443 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3444 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
|
3445 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
|
3446 } |
|
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 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
|
3449 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
|
3450 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3451 } else { |
|
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->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
|
3453 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
|
3454 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3455 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3456 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
|
3457 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
|
3458 } |
|
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 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3461 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
|
3462 != NGX_OK) |
|
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 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
|
3465 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3466 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3467 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
|
3468 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
|
3469 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
|
3470 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
|
3471 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3472 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3473 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
|
3474 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
|
3475 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
|
3476 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3477 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3478 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
|
3479 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3480 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
|
3481 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3482 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
|
3483 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3484 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
|
3485 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3486 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
|
3487 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
|
3488 goto exist; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3489 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3490 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3491 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3492 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
|
3493 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
|
3494 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
|
3495 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3496 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3497 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
|
3498 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
|
3499 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
|
3500 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3501 exist: |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3502 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3503 continue; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3504 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3505 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3506 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3507 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
|
3508 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3509 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
|
3510 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
|
3511 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3512 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
|
3513 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
|
3514 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3515 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
|
3516 continue; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3517 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3518 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3519 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
|
3520 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
|
3521 break; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3522 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3523 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3524 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3525 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3526 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3527 hash->hash = &conf->hide_headers_hash; |
|
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3528 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
|
3529 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
|
3530 hash->temp_pool = NULL; |
|
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3531 |
|
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3532 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
|
3533 } |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3534 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3535 |
| 509 | 3536 static void * |
| 3537 ngx_http_upstream_create_main_conf(ngx_conf_t *cf) | |
| 3538 { | |
| 3539 ngx_http_upstream_main_conf_t *umcf; | |
| 3540 | |
| 3541 umcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_main_conf_t)); | |
| 3542 if (umcf == NULL) { | |
| 3543 return NULL; | |
| 3544 } | |
| 3545 | |
| 651 | 3546 if (ngx_array_init(&umcf->upstreams, cf->pool, 4, |
| 3547 sizeof(ngx_http_upstream_srv_conf_t *)) | |
| 3548 != NGX_OK) | |
| 3549 { | |
| 3550 return NGX_CONF_ERROR; | |
| 3551 } | |
| 3552 | |
| 509 | 3553 return umcf; |
| 3554 } | |
| 3555 | |
| 3556 | |
| 3557 static char * | |
| 651 | 3558 ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf) |
| 509 | 3559 { |
| 3560 ngx_http_upstream_main_conf_t *umcf = conf; | |
| 3561 | |
| 651 | 3562 ngx_uint_t i; |
| 3563 ngx_array_t headers_in; | |
| 3564 ngx_hash_key_t *hk; | |
| 3565 ngx_hash_init_t hash; | |
| 884 | 3566 ngx_http_upstream_init_pt init; |
| 651 | 3567 ngx_http_upstream_header_t *header; |
| 3568 ngx_http_upstream_srv_conf_t **uscfp; | |
| 3569 | |
| 3570 uscfp = umcf->upstreams.elts; | |
| 3571 | |
| 3572 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 884 | 3573 |
| 3574 init = uscfp[i]->peer.init_upstream ? uscfp[i]->peer.init_upstream: | |
| 3575 ngx_http_upstream_init_round_robin; | |
| 3576 | |
| 3577 if (init(cf, uscfp[i]) != NGX_OK) { | |
| 651 | 3578 return NGX_CONF_ERROR; |
| 3579 } | |
| 3580 } | |
| 649 | 3581 |
| 663 | 3582 |
| 884 | 3583 /* upstream_headers_in_hash */ |
| 3584 | |
| 649 | 3585 if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) |
| 3586 != NGX_OK) | |
| 509 | 3587 { |
| 3588 return NGX_CONF_ERROR; | |
| 3589 } | |
| 3590 | |
| 649 | 3591 for (header = ngx_http_upstream_headers_in; header->name.len; header++) { |
| 3592 hk = ngx_array_push(&headers_in); | |
| 3593 if (hk == NULL) { | |
| 3594 return NGX_CONF_ERROR; | |
| 3595 } | |
| 3596 | |
| 3597 hk->key = header->name; | |
| 3598 hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len); | |
| 3599 hk->value = header; | |
| 3600 } | |
| 3601 | |
| 3602 hash.hash = &umcf->headers_in_hash; | |
| 3603 hash.key = ngx_hash_key_lc; | |
| 3604 hash.max_size = 512; | |
|
751
bae59a740c40
align hash bucket size to cache line
Igor Sysoev <igor@sysoev.ru>
parents:
750
diff
changeset
|
3605 hash.bucket_size = ngx_align(64, ngx_cacheline_size); |
| 649 | 3606 hash.name = "upstream_headers_in_hash"; |
| 3607 hash.pool = cf->pool; | |
| 3608 hash.temp_pool = NULL; | |
| 3609 | |
| 3610 if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) { | |
| 3611 return NGX_CONF_ERROR; | |
| 3612 } | |
| 509 | 3613 |
| 3614 return NGX_CONF_OK; | |
| 3615 } |