Mercurial > hg > nginx-quic
annotate src/http/ngx_http_upstream.c @ 1958:3e9e4581fbba
fix peer sendfile capability
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 04 Apr 2008 12:07:13 +0000 |
parents | 94b03bbd328e |
children | 4f16186f5603 |
rev | line source |
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479 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_http.h> | |
10 | |
11 | |
1658 | 12 static void ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx); |
509 | 13 static void ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r); |
14 static void ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r); | |
15 static void ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
16 ngx_event_t *ev); | |
479 | 17 static void ngx_http_upstream_connect(ngx_http_request_t *r, |
487 | 18 ngx_http_upstream_t *u); |
509 | 19 static ngx_int_t ngx_http_upstream_reinit(ngx_http_request_t *r, |
487 | 20 ngx_http_upstream_t *u); |
479 | 21 static void ngx_http_upstream_send_request(ngx_http_request_t *r, |
487 | 22 ngx_http_upstream_t *u); |
479 | 23 static void ngx_http_upstream_send_request_handler(ngx_event_t *wev); |
24 static void ngx_http_upstream_process_header(ngx_event_t *rev); | |
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25 static ngx_int_t ngx_http_upstream_test_connect(ngx_connection_t *c); |
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26 static void ngx_http_upstream_process_body_in_memory(ngx_event_t *rev); |
479 | 27 static void ngx_http_upstream_send_response(ngx_http_request_t *r, |
487 | 28 ngx_http_upstream_t *u); |
581 | 29 static void |
30 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r); | |
31 static void ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev); | |
32 static ngx_int_t ngx_http_upstream_non_buffered_filter_init(void *data); | |
33 static ngx_int_t ngx_http_upstream_non_buffered_filter(void *data, | |
34 ssize_t bytes); | |
509 | 35 static void ngx_http_upstream_process_downstream(ngx_http_request_t *r); |
479 | 36 static void ngx_http_upstream_process_body(ngx_event_t *ev); |
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37 static void ngx_http_upstream_store(ngx_http_request_t *r, |
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38 ngx_http_upstream_t *u); |
479 | 39 static void ngx_http_upstream_dummy_handler(ngx_event_t *wev); |
40 static void ngx_http_upstream_next(ngx_http_request_t *r, | |
487 | 41 ngx_http_upstream_t *u, ngx_uint_t ft_type); |
569 | 42 static void ngx_http_upstream_cleanup(void *data); |
479 | 43 static void ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
487 | 44 ngx_http_upstream_t *u, ngx_int_t rc); |
479 | 45 |
509 | 46 static ngx_int_t ngx_http_upstream_process_header_line(ngx_http_request_t *r, |
47 ngx_table_elt_t *h, ngx_uint_t offset); | |
48 static ngx_int_t | |
49 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
50 ngx_table_elt_t *h, ngx_uint_t offset); | |
51 static ngx_int_t ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, | |
52 ngx_table_elt_t *h, ngx_uint_t offset); | |
527 | 53 static ngx_int_t ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, |
54 ngx_table_elt_t *h, ngx_uint_t offset); | |
649 | 55 static ngx_int_t ngx_http_upstream_process_buffering(ngx_http_request_t *r, |
509 | 56 ngx_table_elt_t *h, ngx_uint_t offset); |
657 | 57 static ngx_int_t ngx_http_upstream_process_charset(ngx_http_request_t *r, |
58 ngx_table_elt_t *h, ngx_uint_t offset); | |
649 | 59 static ngx_int_t ngx_http_upstream_copy_header_line(ngx_http_request_t *r, |
509 | 60 ngx_table_elt_t *h, ngx_uint_t offset); |
61 static ngx_int_t | |
62 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
63 ngx_table_elt_t *h, ngx_uint_t offset); | |
64 static ngx_int_t ngx_http_upstream_copy_content_type(ngx_http_request_t *r, | |
65 ngx_table_elt_t *h, ngx_uint_t offset); | |
66 static ngx_int_t ngx_http_upstream_copy_content_length(ngx_http_request_t *r, | |
67 ngx_table_elt_t *h, ngx_uint_t offset); | |
68 static ngx_int_t ngx_http_upstream_rewrite_location(ngx_http_request_t *r, | |
69 ngx_table_elt_t *h, ngx_uint_t offset); | |
70 static ngx_int_t ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, | |
71 ngx_table_elt_t *h, ngx_uint_t offset); | |
72 #if (NGX_HTTP_GZIP) | |
73 static ngx_int_t ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
74 ngx_table_elt_t *h, ngx_uint_t offset); | |
75 #endif | |
76 | |
573 | 77 static ngx_int_t ngx_http_upstream_add_variables(ngx_conf_t *cf); |
1181 | 78 static ngx_int_t ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
79 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 80 static ngx_int_t ngx_http_upstream_status_variable(ngx_http_request_t *r, |
81 ngx_http_variable_value_t *v, uintptr_t data); | |
82 static ngx_int_t ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
83 ngx_http_variable_value_t *v, uintptr_t data); | |
84 | |
651 | 85 static char *ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy); |
86 static char *ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
87 void *conf); | |
88 | |
509 | 89 static void *ngx_http_upstream_create_main_conf(ngx_conf_t *cf); |
651 | 90 static char *ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf); |
509 | 91 |
577 | 92 #if (NGX_HTTP_SSL) |
591 | 93 static void ngx_http_upstream_ssl_init_connection(ngx_http_request_t *, |
94 ngx_http_upstream_t *u, ngx_connection_t *c); | |
577 | 95 static void ngx_http_upstream_ssl_handshake(ngx_connection_t *c); |
96 #endif | |
97 | |
509 | 98 |
99 ngx_http_upstream_header_t ngx_http_upstream_headers_in[] = { | |
100 | |
101 { ngx_string("Status"), | |
102 ngx_http_upstream_process_header_line, | |
103 offsetof(ngx_http_upstream_headers_in_t, status), | |
649 | 104 ngx_http_upstream_copy_header_line, 0, 0 }, |
509 | 105 |
106 { ngx_string("Content-Type"), | |
107 ngx_http_upstream_process_header_line, | |
108 offsetof(ngx_http_upstream_headers_in_t, content_type), | |
673 | 109 ngx_http_upstream_copy_content_type, 0, 1 }, |
509 | 110 |
111 { ngx_string("Content-Length"), | |
112 ngx_http_upstream_process_header_line, | |
113 offsetof(ngx_http_upstream_headers_in_t, content_length), | |
515 | 114 ngx_http_upstream_copy_content_length, 0, 0 }, |
509 | 115 |
116 { ngx_string("Date"), | |
117 ngx_http_upstream_process_header_line, | |
118 offsetof(ngx_http_upstream_headers_in_t, date), | |
649 | 119 ngx_http_upstream_copy_header_line, |
120 offsetof(ngx_http_headers_out_t, date), 0 }, | |
509 | 121 |
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122 { ngx_string("Last-Modified"), |
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123 ngx_http_upstream_process_header_line, |
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124 offsetof(ngx_http_upstream_headers_in_t, last_modified), |
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125 ngx_http_upstream_copy_header_line, |
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126 offsetof(ngx_http_headers_out_t, last_modified), 0 }, |
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127 |
509 | 128 { ngx_string("Server"), |
129 ngx_http_upstream_process_header_line, | |
130 offsetof(ngx_http_upstream_headers_in_t, server), | |
649 | 131 ngx_http_upstream_copy_header_line, |
132 offsetof(ngx_http_headers_out_t, server), 0 }, | |
509 | 133 |
529 | 134 { ngx_string("WWW-Authenticate"), |
135 ngx_http_upstream_process_header_line, | |
136 offsetof(ngx_http_upstream_headers_in_t, www_authenticate), | |
137 ngx_http_upstream_copy_header_line, 0, 0 }, | |
138 | |
509 | 139 { ngx_string("Location"), |
140 ngx_http_upstream_ignore_header_line, 0, | |
515 | 141 ngx_http_upstream_rewrite_location, 0, 0 }, |
509 | 142 |
143 { ngx_string("Refresh"), | |
144 ngx_http_upstream_ignore_header_line, 0, | |
515 | 145 ngx_http_upstream_rewrite_refresh, 0, 0 }, |
146 | |
147 { ngx_string("Set-Cookie"), | |
148 ngx_http_upstream_ignore_header_line, 0, | |
531 | 149 ngx_http_upstream_copy_header_line, 0, 1 }, |
150 | |
151 { ngx_string("Content-Disposition"), | |
152 ngx_http_upstream_ignore_header_line, 0, | |
153 ngx_http_upstream_copy_header_line, 0, 1 }, | |
509 | 154 |
155 { ngx_string("Cache-Control"), | |
156 ngx_http_upstream_process_multi_header_lines, | |
157 offsetof(ngx_http_upstream_headers_in_t, cache_control), | |
158 ngx_http_upstream_copy_multi_header_lines, | |
515 | 159 offsetof(ngx_http_headers_out_t, cache_control), 1 }, |
509 | 160 |
573 | 161 { ngx_string("Expires"), |
162 ngx_http_upstream_process_header_line, | |
163 offsetof(ngx_http_upstream_headers_in_t, expires), | |
164 ngx_http_upstream_copy_header_line, | |
165 offsetof(ngx_http_headers_out_t, expires), 1 }, | |
166 | |
577 | 167 { ngx_string("Accept-Ranges"), |
168 ngx_http_upstream_process_header_line, | |
169 offsetof(ngx_http_upstream_headers_in_t, accept_ranges), | |
170 ngx_http_upstream_copy_header_line, | |
171 offsetof(ngx_http_headers_out_t, accept_ranges), 1 }, | |
172 | |
509 | 173 { ngx_string("Connection"), |
174 ngx_http_upstream_ignore_header_line, 0, | |
515 | 175 ngx_http_upstream_ignore_header_line, 0, 0 }, |
509 | 176 |
641 | 177 { ngx_string("Keep-Alive"), |
178 ngx_http_upstream_ignore_header_line, 0, | |
179 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
180 | |
509 | 181 { ngx_string("X-Powered-By"), |
182 ngx_http_upstream_ignore_header_line, 0, | |
649 | 183 ngx_http_upstream_copy_header_line, 0, 0 }, |
509 | 184 |
185 { ngx_string("X-Accel-Expires"), | |
186 ngx_http_upstream_process_header_line, | |
187 offsetof(ngx_http_upstream_headers_in_t, x_accel_expires), | |
649 | 188 ngx_http_upstream_copy_header_line, 0, 0 }, |
515 | 189 |
190 { ngx_string("X-Accel-Redirect"), | |
191 ngx_http_upstream_process_header_line, | |
192 offsetof(ngx_http_upstream_headers_in_t, x_accel_redirect), | |
193 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
509 | 194 |
527 | 195 { ngx_string("X-Accel-Limit-Rate"), |
196 ngx_http_upstream_process_limit_rate, 0, | |
197 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
198 | |
649 | 199 { ngx_string("X-Accel-Buffering"), |
200 ngx_http_upstream_process_buffering, 0, | |
201 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
202 | |
657 | 203 { ngx_string("X-Accel-Charset"), |
204 ngx_http_upstream_process_charset, 0, | |
205 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
206 | |
509 | 207 #if (NGX_HTTP_GZIP) |
208 { ngx_string("Content-Encoding"), | |
209 ngx_http_upstream_process_header_line, | |
210 offsetof(ngx_http_upstream_headers_in_t, content_encoding), | |
515 | 211 ngx_http_upstream_copy_content_encoding, 0, 0 }, |
509 | 212 #endif |
213 | |
515 | 214 { ngx_null_string, NULL, 0, NULL, 0, 0 } |
509 | 215 }; |
479 | 216 |
217 | |
651 | 218 static ngx_command_t ngx_http_upstream_commands[] = { |
219 | |
220 { ngx_string("upstream"), | |
221 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1, | |
222 ngx_http_upstream, | |
223 0, | |
224 0, | |
225 NULL }, | |
226 | |
227 { ngx_string("server"), | |
884 | 228 NGX_HTTP_UPS_CONF|NGX_CONF_1MORE, |
651 | 229 ngx_http_upstream_server, |
230 NGX_HTTP_SRV_CONF_OFFSET, | |
231 0, | |
232 NULL }, | |
233 | |
234 ngx_null_command | |
235 }; | |
236 | |
237 | |
238 static ngx_http_module_t ngx_http_upstream_module_ctx = { | |
573 | 239 ngx_http_upstream_add_variables, /* preconfiguration */ |
509 | 240 NULL, /* postconfiguration */ |
241 | |
242 ngx_http_upstream_create_main_conf, /* create main configuration */ | |
651 | 243 ngx_http_upstream_init_main_conf, /* init main configuration */ |
479 | 244 |
245 NULL, /* create server configuration */ | |
246 NULL, /* merge server configuration */ | |
247 | |
248 NULL, /* create location configuration */ | |
249 NULL /* merge location configuration */ | |
250 }; | |
577 | 251 |
479 | 252 |
253 ngx_module_t ngx_http_upstream_module = { | |
509 | 254 NGX_MODULE_V1, |
479 | 255 &ngx_http_upstream_module_ctx, /* module context */ |
651 | 256 ngx_http_upstream_commands, /* module directives */ |
479 | 257 NGX_HTTP_MODULE, /* module type */ |
541 | 258 NULL, /* init master */ |
479 | 259 NULL, /* init module */ |
541 | 260 NULL, /* init process */ |
261 NULL, /* init thread */ | |
262 NULL, /* exit thread */ | |
263 NULL, /* exit process */ | |
264 NULL, /* exit master */ | |
265 NGX_MODULE_V1_PADDING | |
479 | 266 }; |
267 | |
268 | |
573 | 269 static ngx_http_variable_t ngx_http_upstream_vars[] = { |
270 | |
1181 | 271 { ngx_string("upstream_addr"), NULL, |
272 ngx_http_upstream_addr_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, | |
273 | |
637 | 274 { ngx_string("upstream_status"), NULL, |
583 | 275 ngx_http_upstream_status_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
573 | 276 |
637 | 277 { ngx_string("upstream_response_time"), NULL, |
583 | 278 ngx_http_upstream_response_time_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
573 | 279 |
637 | 280 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
573 | 281 }; |
282 | |
283 | |
487 | 284 void |
285 ngx_http_upstream_init(ngx_http_request_t *r) | |
479 | 286 { |
1658 | 287 ngx_str_t *host; |
288 ngx_uint_t i; | |
289 ngx_connection_t *c; | |
290 ngx_resolver_ctx_t *ctx, temp; | |
291 ngx_http_cleanup_t *cln; | |
292 ngx_http_upstream_t *u; | |
293 ngx_http_core_loc_conf_t *clcf; | |
294 ngx_http_upstream_srv_conf_t *uscf, **uscfp; | |
295 ngx_http_upstream_main_conf_t *umcf; | |
479 | 296 |
297 c = r->connection; | |
298 | |
299 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
300 "http init upstream, client timer: %d", c->read->timer_set); | |
301 | |
302 if (c->read->timer_set) { | |
303 ngx_del_timer(c->read); | |
304 } | |
305 | |
629 | 306 u = r->upstream; |
307 | |
308 if (!r->post_action && !u->conf->ignore_client_abort) { | |
615 | 309 r->read_event_handler = ngx_http_upstream_rd_check_broken_connection; |
310 r->write_event_handler = ngx_http_upstream_wr_check_broken_connection; | |
311 } | |
577 | 312 |
479 | 313 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { |
314 | |
315 if (!c->write->active) { | |
531 | 316 if (ngx_add_event(c->write, NGX_WRITE_EVENT, NGX_CLEAR_EVENT) |
317 == NGX_ERROR) | |
479 | 318 { |
319 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
320 return; | |
321 } | |
322 } | |
323 } | |
324 | |
537 | 325 if (r->request_body) { |
326 u->request_bufs = r->request_body->bufs; | |
327 } | |
509 | 328 |
537 | 329 if (u->create_request(r) != NGX_OK) { |
479 | 330 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
331 return; | |
332 } | |
333 | |
509 | 334 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
479 | 335 |
336 u->output.pool = r->pool; | |
337 u->output.bufs.num = 1; | |
509 | 338 u->output.bufs.size = clcf->client_body_buffer_size; |
479 | 339 u->output.output_filter = ngx_chain_writer; |
340 u->output.filter_ctx = &u->writer; | |
341 | |
342 u->writer.pool = r->pool; | |
343 | |
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344 if (r->upstream_states == NULL) { |
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345 |
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346 r->upstream_states = ngx_array_create(r->pool, 1, |
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347 sizeof(ngx_http_upstream_state_t)); |
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348 if (r->upstream_states == NULL) { |
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349 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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350 return; |
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351 } |
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352 |
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353 } else { |
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354 |
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355 u->state = ngx_array_push(r->upstream_states); |
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356 if (u->state == NULL) { |
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357 ngx_http_upstream_finalize_request(r, u, |
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358 NGX_HTTP_INTERNAL_SERVER_ERROR); |
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359 return; |
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360 } |
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361 |
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362 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); |
479 | 363 } |
364 | |
593 | 365 cln = ngx_http_cleanup_add(r, 0); |
569 | 366 if (cln == NULL) { |
367 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
368 return; | |
369 } | |
370 | |
371 cln->handler = ngx_http_upstream_cleanup; | |
372 cln->data = r; | |
373 u->cleanup = &cln->handler; | |
374 | |
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375 u->store = (u->conf->store || u->conf->store_lengths); |
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376 |
1658 | 377 if (u->resolved == NULL) { |
378 | |
379 uscf = u->conf->upstream; | |
380 | |
381 } else { | |
382 | |
1705 | 383 host = &u->resolved->host; |
1658 | 384 |
385 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
386 | |
387 uscfp = umcf->upstreams.elts; | |
388 | |
389 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
390 | |
391 uscf = uscfp[i]; | |
392 | |
393 if (uscf->host.len == host->len | |
1912 | 394 && ((uscf->port == 0 && u->resolved->default_port) |
395 || uscf->port == u->resolved->port) | |
1658 | 396 && ngx_memcmp(uscf->host.data, host->data, host->len) == 0) |
397 { | |
398 goto found; | |
399 } | |
400 } | |
401 | |
402 temp.name = *host; | |
403 | |
404 ctx = ngx_resolve_start(clcf->resolver, &temp); | |
405 if (ctx == NULL) { | |
406 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
407 return; | |
408 } | |
409 | |
1683
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allow to use IP addresses without defined resolver
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parents:
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410 if (ctx == NGX_NO_RESOLVER) { |
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411 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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412 "no resolver defined to resolve %V", host); |
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413 |
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414 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); |
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415 return; |
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416 } |
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417 |
1658 | 418 ctx->name = *host; |
419 ctx->type = NGX_RESOLVE_A; | |
420 ctx->handler = ngx_http_upstream_resolve_handler; | |
421 ctx->data = r; | |
422 ctx->timeout = clcf->resolver_timeout; | |
423 | |
424 if (ngx_resolve_name(ctx) != NGX_OK) { | |
425 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
426 return; | |
427 } | |
428 | |
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429 u->resolved->ctx = ctx; |
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430 |
1658 | 431 return; |
432 } | |
433 | |
434 found: | |
435 | |
436 if (uscf->peer.init(r, uscf) != NGX_OK) { | |
437 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
438 return; | |
439 } | |
440 | |
479 | 441 ngx_http_upstream_connect(r, u); |
442 } | |
443 | |
444 | |
487 | 445 static void |
1658 | 446 ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx) |
447 { | |
448 ngx_http_request_t *r; | |
449 ngx_http_upstream_resolved_t *ur; | |
450 | |
451 r = ctx->data; | |
452 | |
453 r->upstream->resolved->ctx = NULL; | |
454 | |
455 if (ctx->state) { | |
456 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
457 "%V could not be resolved (%i: %s)", | |
458 &ctx->name, ctx->state, | |
459 ngx_resolver_strerror(ctx->state)); | |
460 | |
461 ngx_resolve_name_done(ctx); | |
462 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); | |
463 return; | |
464 } | |
465 | |
466 ur = r->upstream->resolved; | |
467 ur->naddrs = ctx->naddrs; | |
468 ur->addrs = ctx->addrs; | |
469 | |
470 #if (NGX_DEBUG) | |
471 { | |
472 in_addr_t addr; | |
473 ngx_uint_t i; | |
474 | |
475 for (i = 0; i < ctx->naddrs; i++) { | |
476 addr = ntohl(ur->addrs[i]); | |
477 | |
478 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
479 "name was resolved to %ud.%ud.%ud.%ud", | |
480 (addr >> 24) & 0xff, (addr >> 16) & 0xff, | |
481 (addr >> 8) & 0xff, addr & 0xff); | |
482 } | |
483 } | |
484 #endif | |
485 | |
486 if (ngx_http_upstream_create_round_robin_peer(r, ur) != NGX_OK) { | |
487 ngx_resolve_name_done(ctx); | |
488 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
489 return; | |
490 } | |
491 | |
492 ngx_resolve_name_done(ctx); | |
493 | |
494 ngx_http_upstream_connect(r, r->upstream); | |
495 } | |
496 | |
497 | |
498 static void | |
509 | 499 ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r) |
500 { | |
501 ngx_http_upstream_check_broken_connection(r, r->connection->read); | |
502 } | |
503 | |
504 | |
505 static void | |
506 ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r) | |
507 { | |
508 ngx_http_upstream_check_broken_connection(r, r->connection->write); | |
509 } | |
510 | |
511 | |
512 static void | |
513 ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
514 ngx_event_t *ev) | |
479 | 515 { |
516 int n; | |
517 char buf[1]; | |
577 | 518 ngx_err_t err; |
479 | 519 ngx_connection_t *c; |
520 ngx_http_upstream_t *u; | |
521 | |
527 | 522 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
523 "http upstream check client, write event:%d, \"%V\"", | |
524 ev->write, &r->uri); | |
479 | 525 |
509 | 526 c = r->connection; |
483 | 527 u = r->upstream; |
528 | |
583 | 529 if (c->error) { |
527 | 530 ngx_http_upstream_finalize_request(r, u, |
531 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
532 return; | |
533 } | |
534 | |
483 | 535 if (u->peer.connection == NULL) { |
536 return; | |
537 } | |
538 | |
479 | 539 #if (NGX_HAVE_KQUEUE) |
540 | |
541 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
542 | |
543 if (!ev->pending_eof) { | |
544 return; | |
545 } | |
546 | |
547 ev->eof = 1; | |
583 | 548 c->error = 1; |
479 | 549 |
550 if (ev->kq_errno) { | |
551 ev->error = 1; | |
552 } | |
553 | |
1565 | 554 if (!u->cacheable && !u->store && u->peer.connection) { |
479 | 555 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, |
527 | 556 "kevent() reported that client closed prematurely " |
557 "connection, so upstream connection is closed too"); | |
479 | 558 ngx_http_upstream_finalize_request(r, u, |
559 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
560 return; | |
561 } | |
562 | |
563 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, | |
564 "kevent() reported that client closed " | |
565 "prematurely connection"); | |
566 | |
567 if (u->peer.connection == NULL) { | |
568 ngx_http_upstream_finalize_request(r, u, | |
569 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
570 return; | |
571 } | |
572 | |
573 return; | |
574 } | |
575 | |
576 #endif | |
577 | |
578 n = recv(c->fd, buf, 1, MSG_PEEK); | |
579 | |
580 err = ngx_socket_errno; | |
581 | |
1109 | 582 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, err, |
583 "http upstream recv(): %d", n); | |
584 | |
479 | 585 /* |
586 * we do not need to disable the write event because | |
587 * that event has NGX_USE_CLEAR_EVENT type | |
588 */ | |
589 | |
590 if (ev->write && (n >= 0 || err == NGX_EAGAIN)) { | |
591 return; | |
592 } | |
593 | |
594 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { | |
595 if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { | |
596 ngx_http_upstream_finalize_request(r, u, | |
597 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
598 return; | |
599 } | |
600 } | |
601 | |
602 if (n > 0) { | |
603 return; | |
604 } | |
605 | |
606 if (n == -1) { | |
607 if (err == NGX_EAGAIN) { | |
608 return; | |
609 } | |
610 | |
611 ev->error = 1; | |
612 | |
483 | 613 } else { /* n == 0 */ |
479 | 614 err = 0; |
615 } | |
616 | |
529 | 617 ev->eof = 1; |
583 | 618 c->error = 1; |
529 | 619 |
1565 | 620 if (!u->cacheable && !u->store && u->peer.connection) { |
479 | 621 ngx_log_error(NGX_LOG_INFO, ev->log, err, |
622 "client closed prematurely connection, " | |
623 "so upstream connection is closed too"); | |
624 ngx_http_upstream_finalize_request(r, u, | |
625 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
626 return; | |
627 } | |
628 | |
629 ngx_log_error(NGX_LOG_INFO, ev->log, err, | |
630 "client closed prematurely connection"); | |
631 | |
632 if (u->peer.connection == NULL) { | |
633 ngx_http_upstream_finalize_request(r, u, | |
634 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
635 return; | |
636 } | |
637 } | |
638 | |
639 | |
487 | 640 static void |
641 ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
479 | 642 { |
591 | 643 ngx_int_t rc; |
665 | 644 ngx_time_t *tp; |
591 | 645 ngx_connection_t *c; |
479 | 646 |
483 | 647 r->connection->log->action = "connecting to upstream"; |
479 | 648 |
649 r->connection->single_connection = 0; | |
650 | |
889
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651 if (u->state && u->state->response_sec) { |
665 | 652 tp = ngx_timeofday(); |
889
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653 u->state->response_sec = tp->sec - u->state->response_sec; |
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654 u->state->response_msec = tp->msec - u->state->response_msec; |
665 | 655 } |
656 | |
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657 u->state = ngx_array_push(r->upstream_states); |
665 | 658 if (u->state == NULL) { |
659 ngx_http_upstream_finalize_request(r, u, | |
660 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
661 return; | |
662 } | |
663 | |
664 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); | |
665 | |
666 tp = ngx_timeofday(); | |
889
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667 u->state->response_sec = tp->sec; |
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diff
changeset
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668 u->state->response_msec = tp->msec; |
665 | 669 |
479 | 670 rc = ngx_event_connect_peer(&u->peer); |
671 | |
672 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
673 "http upstream connect: %i", rc); | |
674 | |
675 if (rc == NGX_ERROR) { | |
676 ngx_http_upstream_finalize_request(r, u, | |
677 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
678 return; | |
679 } | |
680 | |
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681 u->state->peer = u->peer.name; |
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682 |
543 | 683 if (rc == NGX_BUSY) { |
684 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no live upstreams"); | |
1378 | 685 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_NOLIVE); |
686 return; | |
543 | 687 } |
688 | |
1378 | 689 if (rc == NGX_DECLINED) { |
479 | 690 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
691 return; | |
692 } | |
693 | |
577 | 694 /* rc == NGX_OK || rc == NGX_AGAIN */ |
695 | |
479 | 696 c = u->peer.connection; |
697 | |
698 c->data = r; | |
591 | 699 |
509 | 700 c->write->handler = ngx_http_upstream_send_request_handler; |
701 c->read->handler = ngx_http_upstream_process_header; | |
479 | 702 |
1397
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703 c->sendfile &= r->connection->sendfile; |
1958 | 704 u->output.sendfile = c->sendfile; |
479 | 705 |
706 c->pool = r->pool; | |
707 c->read->log = c->write->log = c->log = r->connection->log; | |
708 | |
709 /* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */ | |
710 | |
711 u->writer.out = NULL; | |
712 u->writer.last = &u->writer.out; | |
713 u->writer.connection = c; | |
714 u->writer.limit = 0; | |
715 | |
716 if (u->request_sent) { | |
509 | 717 if (ngx_http_upstream_reinit(r, u) != NGX_OK) { |
718 ngx_http_upstream_finalize_request(r, u, | |
719 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
720 return; | |
721 } | |
479 | 722 } |
723 | |
1064
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fix segfault when client_body_in_file_only is on, the body is not passed
Igor Sysoev <igor@sysoev.ru>
parents:
1063
diff
changeset
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724 if (r->request_body |
7c84c877f2d7
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725 && r->request_body->buf |
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1063
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726 && r->request_body->temp_file |
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727 && r == r->main) |
7c84c877f2d7
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728 { |
573 | 729 /* |
730 * the r->request_body->buf can be reused for one request only, | |
731 * the subrequests should allocate their own temporay bufs | |
732 */ | |
733 | |
734 u->output.free = ngx_alloc_chain_link(r->pool); | |
735 if (u->output.free == NULL) { | |
736 ngx_http_upstream_finalize_request(r, u, | |
737 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
738 return; | |
479 | 739 } |
573 | 740 |
741 u->output.free->buf = r->request_body->buf; | |
742 u->output.free->next = NULL; | |
743 u->output.allocated = 1; | |
744 | |
745 r->request_body->buf->pos = r->request_body->buf->start; | |
746 r->request_body->buf->last = r->request_body->buf->start; | |
747 r->request_body->buf->tag = u->output.tag; | |
479 | 748 } |
749 | |
750 u->request_sent = 0; | |
751 | |
752 if (rc == NGX_AGAIN) { | |
753 ngx_add_timer(c->write, u->conf->connect_timeout); | |
754 return; | |
755 } | |
756 | |
577 | 757 #if (NGX_HTTP_SSL) |
758 | |
1658 | 759 if (u->ssl && c->ssl == NULL) { |
591 | 760 ngx_http_upstream_ssl_init_connection(r, u, c); |
577 | 761 return; |
762 } | |
763 | |
764 #endif | |
765 | |
479 | 766 ngx_http_upstream_send_request(r, u); |
767 } | |
768 | |
769 | |
577 | 770 #if (NGX_HTTP_SSL) |
771 | |
772 static void | |
591 | 773 ngx_http_upstream_ssl_init_connection(ngx_http_request_t *r, |
774 ngx_http_upstream_t *u, ngx_connection_t *c) | |
775 { | |
884 | 776 ngx_int_t rc; |
591 | 777 |
778 if (ngx_ssl_create_connection(u->conf->ssl, c, | |
779 NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
780 == NGX_ERROR) | |
781 { | |
782 ngx_http_upstream_finalize_request(r, u, | |
783 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
784 return; | |
785 } | |
786 | |
787 c->sendfile = 0; | |
619 | 788 u->output.sendfile = 0; |
591 | 789 |
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790 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { |
591 | 791 ngx_http_upstream_finalize_request(r, u, |
792 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
793 return; | |
794 } | |
795 | |
641 | 796 r->connection->log->action = "SSL handshaking to upstream"; |
797 | |
591 | 798 rc = ngx_ssl_handshake(c); |
799 | |
800 if (rc == NGX_AGAIN) { | |
801 c->ssl->handler = ngx_http_upstream_ssl_handshake; | |
802 return; | |
803 } | |
804 | |
805 ngx_http_upstream_ssl_handshake(c); | |
806 } | |
807 | |
808 | |
809 static void | |
577 | 810 ngx_http_upstream_ssl_handshake(ngx_connection_t *c) |
811 { | |
812 ngx_http_request_t *r; | |
813 ngx_http_upstream_t *u; | |
814 | |
815 r = c->data; | |
816 u = r->upstream; | |
817 | |
818 if (c->ssl->handshaked) { | |
819 | |
884 | 820 u->peer.save_session(&u->peer, u->peer.data); |
821 | |
577 | 822 c->write->handler = ngx_http_upstream_send_request_handler; |
823 c->read->handler = ngx_http_upstream_process_header; | |
824 | |
825 ngx_http_upstream_send_request(r, u); | |
826 | |
827 return; | |
828 } | |
829 | |
830 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
831 | |
832 } | |
833 | |
834 #endif | |
835 | |
836 | |
509 | 837 static ngx_int_t |
487 | 838 ngx_http_upstream_reinit(ngx_http_request_t *r, ngx_http_upstream_t *u) |
479 | 839 { |
840 ngx_chain_t *cl; | |
841 | |
509 | 842 if (u->reinit_request(r) != NGX_OK) { |
843 return NGX_ERROR; | |
844 } | |
845 | |
1705 | 846 ngx_memzero(&u->headers_in, sizeof(ngx_http_upstream_headers_in_t)); |
847 | |
848 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, | |
591 | 849 sizeof(ngx_table_elt_t)) |
850 != NGX_OK) | |
509 | 851 { |
852 return NGX_ERROR; | |
479 | 853 } |
854 | |
855 /* reinit the request chain */ | |
577 | 856 |
509 | 857 for (cl = u->request_bufs; cl; cl = cl->next) { |
479 | 858 cl->buf->pos = cl->buf->start; |
859 cl->buf->file_pos = 0; | |
860 } | |
861 | |
509 | 862 /* reinit the subrequest's ngx_output_chain() context */ |
863 | |
573 | 864 if (r->request_body && r->request_body->temp_file |
597 | 865 && r != r->main && u->output.buf) |
573 | 866 { |
867 u->output.free = ngx_alloc_chain_link(r->pool); | |
868 if (u->output.free == NULL) { | |
869 return NGX_ERROR; | |
509 | 870 } |
573 | 871 |
872 u->output.free->buf = u->output.buf; | |
873 u->output.free->next = NULL; | |
874 | |
875 u->output.buf->pos = u->output.buf->start; | |
876 u->output.buf->last = u->output.buf->start; | |
509 | 877 } |
479 | 878 |
879 u->output.buf = NULL; | |
880 u->output.in = NULL; | |
881 u->output.busy = NULL; | |
577 | 882 |
581 | 883 /* reinit u->buffer */ |
577 | 884 |
479 | 885 #if 0 |
886 if (u->cache) { | |
581 | 887 u->buffer.pos = u->buffer.start + u->cache->ctx.header_size; |
888 u->buffer.last = u->buffer.pos; | |
479 | 889 |
890 } else { | |
581 | 891 u->buffer.pos = u->buffer.start; |
892 u->buffer.last = u->buffer.start; | |
479 | 893 } |
894 #else | |
509 | 895 |
581 | 896 u->buffer.pos = u->buffer.start; |
897 u->buffer.last = u->buffer.start; | |
509 | 898 |
479 | 899 #endif |
900 | |
509 | 901 return NGX_OK; |
479 | 902 } |
903 | |
904 | |
487 | 905 static void |
906 ngx_http_upstream_send_request(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
479 | 907 { |
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|
908 ngx_int_t rc; |
483 | 909 ngx_connection_t *c; |
577 | 910 |
479 | 911 c = u->peer.connection; |
912 | |
913 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
914 "http upstream send request"); | |
915 | |
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|
916 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
1166 | 917 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
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|
918 return; |
479 | 919 } |
920 | |
483 | 921 c->log->action = "sending request to upstream"; |
479 | 922 |
509 | 923 rc = ngx_output_chain(&u->output, u->request_sent ? NULL : u->request_bufs); |
479 | 924 |
925 u->request_sent = 1; | |
926 | |
927 if (rc == NGX_ERROR) { | |
928 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
929 return; | |
930 } | |
931 | |
932 if (c->write->timer_set) { | |
933 ngx_del_timer(c->write); | |
934 } | |
935 | |
936 if (rc == NGX_AGAIN) { | |
937 ngx_add_timer(c->write, u->conf->send_timeout); | |
938 | |
939 if (ngx_handle_write_event(c->write, u->conf->send_lowat) == NGX_ERROR) | |
940 { | |
941 ngx_http_upstream_finalize_request(r, u, | |
942 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
943 return; | |
944 } | |
945 | |
946 return; | |
947 } | |
948 | |
949 /* rc == NGX_OK */ | |
950 | |
951 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) { | |
952 if (ngx_tcp_push(c->fd) == NGX_ERROR) { | |
953 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, | |
954 ngx_tcp_push_n " failed"); | |
955 ngx_http_upstream_finalize_request(r, u, | |
956 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
577 | 957 return; |
479 | 958 } |
959 | |
960 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET; | |
961 } | |
577 | 962 |
479 | 963 ngx_add_timer(c->read, u->conf->read_timeout); |
964 | |
965 #if 1 | |
966 if (c->read->ready) { | |
577 | 967 |
479 | 968 /* post aio operation */ |
969 | |
970 /* | |
971 * TODO comment | |
972 * although we can post aio operation just in the end | |
973 * of ngx_http_upstream_connect() CHECK IT !!! | |
974 * it's better to do here because we postpone header buffer allocation | |
975 */ | |
976 | |
977 ngx_http_upstream_process_header(c->read); | |
978 return; | |
979 } | |
980 #endif | |
981 | |
509 | 982 c->write->handler = ngx_http_upstream_dummy_handler; |
479 | 983 |
509 | 984 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
479 | 985 ngx_http_upstream_finalize_request(r, u, |
986 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
987 return; | |
988 } | |
989 } | |
990 | |
991 | |
487 | 992 static void |
993 ngx_http_upstream_send_request_handler(ngx_event_t *wev) | |
479 | 994 { |
995 ngx_connection_t *c; | |
996 ngx_http_request_t *r; | |
997 ngx_http_upstream_t *u; | |
998 | |
999 c = wev->data; | |
1000 r = c->data; | |
1001 u = r->upstream; | |
1002 | |
1003 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
1004 "http upstream send request handler"); | |
1005 | |
1006 if (wev->timedout) { | |
1007 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
1008 return; | |
1009 } | |
1010 | |
591 | 1011 #if (NGX_HTTP_SSL) |
1012 | |
1658 | 1013 if (u->ssl && c->ssl == NULL) { |
591 | 1014 ngx_http_upstream_ssl_init_connection(r, u, c); |
1015 return; | |
1016 } | |
1017 | |
1018 #endif | |
1019 | |
651 | 1020 if (u->header_sent) { |
1021 wev->handler = ngx_http_upstream_dummy_handler; | |
1022 | |
1023 (void) ngx_handle_write_event(wev, 0); | |
1024 | |
1025 return; | |
1026 } | |
1027 | |
479 | 1028 ngx_http_upstream_send_request(r, u); |
1029 } | |
1030 | |
1031 | |
487 | 1032 static void |
1033 ngx_http_upstream_process_header(ngx_event_t *rev) | |
479 | 1034 { |
515 | 1035 ssize_t n; |
1036 ngx_int_t rc; | |
573 | 1037 ngx_str_t *uri, args; |
649 | 1038 ngx_uint_t i, flags; |
515 | 1039 ngx_list_part_t *part; |
1040 ngx_table_elt_t *h; | |
1041 ngx_connection_t *c; | |
1042 ngx_http_request_t *r; | |
1043 ngx_http_upstream_t *u; | |
1044 ngx_http_err_page_t *err_page; | |
1045 ngx_http_core_loc_conf_t *clcf; | |
1046 ngx_http_upstream_header_t *hh; | |
1047 ngx_http_upstream_main_conf_t *umcf; | |
479 | 1048 |
1049 c = rev->data; | |
1050 r = c->data; | |
1051 u = r->upstream; | |
1052 | |
1053 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, | |
483 | 1054 "http upstream process header"); |
479 | 1055 |
483 | 1056 c->log->action = "reading response header from upstream"; |
479 | 1057 |
1058 if (rev->timedout) { | |
1059 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
1060 return; | |
1061 } | |
577 | 1062 |
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1063 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
1166 | 1064 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
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diff
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|
1065 return; |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1066 } |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1067 |
581 | 1068 if (u->buffer.start == NULL) { |
1069 u->buffer.start = ngx_palloc(r->pool, u->conf->buffer_size); | |
1070 if (u->buffer.start == NULL) { | |
479 | 1071 ngx_http_upstream_finalize_request(r, u, |
1072 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1073 return; | |
1074 } | |
1075 | |
581 | 1076 u->buffer.pos = u->buffer.start; |
1077 u->buffer.last = u->buffer.start; | |
1078 u->buffer.end = u->buffer.start + u->conf->buffer_size; | |
1079 u->buffer.temporary = 1; | |
1080 | |
1081 u->buffer.tag = u->output.tag; | |
479 | 1082 |
1705 | 1083 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, |
581 | 1084 sizeof(ngx_table_elt_t)) |
1085 != NGX_OK) | |
509 | 1086 { |
1087 ngx_http_upstream_finalize_request(r, u, | |
1088 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1089 return; | |
1090 } | |
1091 | |
479 | 1092 #if 0 |
1093 if (u->cache) { | |
581 | 1094 u->buffer.pos += u->cache->ctx.header_size; |
1095 u->buffer.last = u->buffer.pos; | |
479 | 1096 } |
1097 #endif | |
1098 } | |
1099 | |
1558 | 1100 n = c->recv(c, u->buffer.last, u->buffer.end - u->buffer.last); |
479 | 1101 |
1102 if (n == NGX_AGAIN) { | |
1103 #if 0 | |
1104 ngx_add_timer(rev, u->read_timeout); | |
1105 #endif | |
1106 | |
1107 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
1108 ngx_http_upstream_finalize_request(r, u, | |
1109 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1110 return; | |
1111 } | |
1112 | |
1113 return; | |
1114 } | |
1115 | |
1116 if (n == 0) { | |
1117 ngx_log_error(NGX_LOG_ERR, rev->log, 0, | |
1118 "upstream prematurely closed connection"); | |
1119 } | |
1120 | |
1121 if (n == NGX_ERROR || n == 0) { | |
1122 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
1123 return; | |
1124 } | |
1125 | |
581 | 1126 u->buffer.last += n; |
479 | 1127 |
1128 #if 0 | |
1129 u->valid_header_in = 0; | |
1130 | |
1131 u->peer.cached = 0; | |
1132 #endif | |
1133 | |
1134 rc = u->process_header(r); | |
1135 | |
1136 if (rc == NGX_AGAIN) { | |
1137 #if 0 | |
1138 ngx_add_timer(rev, u->read_timeout); | |
1139 #endif | |
1140 | |
581 | 1141 if (u->buffer.pos == u->buffer.end) { |
479 | 1142 ngx_log_error(NGX_LOG_ERR, rev->log, 0, |
1143 "upstream sent too big header"); | |
1144 | |
1145 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
1146 return; | |
1147 } | |
1148 | |
1149 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
1150 ngx_http_upstream_finalize_request(r, u, | |
1151 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1152 return; | |
1153 } | |
1154 | |
1155 return; | |
1156 } | |
1157 | |
1158 if (rc == NGX_HTTP_UPSTREAM_INVALID_HEADER) { | |
1159 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
1160 return; | |
1161 } | |
1162 | |
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1693
diff
changeset
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1163 if (rc == NGX_ERROR) { |
479 | 1164 ngx_http_upstream_finalize_request(r, u, |
1165 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1166 return; | |
1167 } | |
1168 | |
1169 /* rc == NGX_OK */ | |
1170 | |
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1171 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST |
4ab852b691f5
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diff
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|
1172 && r->subrequest_in_memory) |
4ab852b691f5
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|
1173 { |
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diff
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|
1174 u->buffer.last = u->buffer.pos; |
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1175 } |
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1176 |
529 | 1177 if (u->headers_in.status_n == NGX_HTTP_INTERNAL_SERVER_ERROR) { |
509 | 1178 |
1179 if (u->peer.tries > 1 | |
1180 && (u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_HTTP_500)) | |
1181 { | |
1182 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_HTTP_500); | |
1183 return; | |
1184 } | |
1185 | |
1186 #if (NGX_HTTP_CACHE) | |
1187 | |
1188 if (u->peer.tries == 0 | |
1189 && u->stale | |
1190 && (u->conf->use_stale & NGX_HTTP_UPSTREAM_FT_HTTP_500)) | |
1191 { | |
1192 ngx_http_upstream_finalize_request(r, u, | |
529 | 1193 ngx_http_send_cached_response(r)); |
509 | 1194 return; |
1195 } | |
1196 | |
1197 #endif | |
1198 } | |
1199 | |
597 | 1200 if (u->headers_in.status_n == NGX_HTTP_NOT_FOUND) { |
1201 | |
1202 if (u->peer.tries > 1 | |
1203 && u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_HTTP_404) | |
1204 { | |
1205 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_HTTP_404); | |
1206 return; | |
1207 } | |
1208 | |
675 | 1209 if (u->conf->intercept_404) { |
1210 ngx_http_upstream_finalize_request(r, u, NGX_HTTP_NOT_FOUND); | |
597 | 1211 return; |
1212 } | |
509 | 1213 } |
1214 | |
1215 | |
529 | 1216 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST |
675 | 1217 && u->conf->intercept_errors) |
487 | 1218 { |
1219 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1220 | |
1221 if (clcf->error_pages) { | |
1222 | |
1223 err_page = clcf->error_pages->elts; | |
1224 for (i = 0; i < clcf->error_pages->nelts; i++) { | |
529 | 1225 if (err_page[i].status == (ngx_int_t) u->headers_in.status_n) { |
1226 | |
1227 if (u->headers_in.status_n == NGX_HTTP_UNAUTHORIZED) { | |
1228 | |
1229 r->headers_out.www_authenticate = | |
1230 ngx_list_push(&r->headers_out.headers); | |
1231 | |
1232 if (r->headers_out.www_authenticate == NULL) { | |
1233 ngx_http_upstream_finalize_request(r, u, | |
1234 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1235 return; | |
1236 } | |
1237 | |
577 | 1238 *r->headers_out.www_authenticate = |
529 | 1239 *u->headers_in.www_authenticate; |
1240 } | |
1241 | |
487 | 1242 ngx_http_upstream_finalize_request(r, u, |
529 | 1243 u->headers_in.status_n); |
487 | 1244 return; |
1245 } | |
1246 } | |
1247 } | |
1248 } | |
1249 | |
681 | 1250 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); |
1251 | |
1705 | 1252 if (u->headers_in.x_accel_redirect) { |
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diff
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1253 |
515 | 1254 ngx_http_upstream_finalize_request(r, u, NGX_DECLINED); |
1255 | |
1705 | 1256 part = &u->headers_in.headers.part; |
515 | 1257 h = part->elts; |
1258 | |
1259 for (i = 0; /* void */; i++) { | |
1260 | |
1261 if (i >= part->nelts) { | |
1262 if (part->next == NULL) { | |
1263 break; | |
1264 } | |
577 | 1265 |
515 | 1266 part = part->next; |
1267 h = part->elts; | |
1268 i = 0; | |
1269 } | |
1270 | |
649 | 1271 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, |
1272 h[i].lowcase_key, h[i].key.len); | |
1273 | |
1274 if (hh && hh->redirect) { | |
1275 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
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diff
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1276 ngx_http_finalize_request(r, |
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|
1277 NGX_HTTP_INTERNAL_SERVER_ERROR); |
515 | 1278 return; |
1279 } | |
1280 } | |
1281 } | |
1282 | |
1705 | 1283 uri = &u->headers_in.x_accel_redirect->value; |
573 | 1284 args.len = 0; |
1285 args.data = NULL; | |
1286 flags = 0; | |
1287 | |
1288 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) { | |
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parents:
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diff
changeset
|
1289 ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); |
573 | 1290 return; |
1291 } | |
1292 | |
1293 if (flags & NGX_HTTP_ZERO_IN_URI) { | |
1294 r->zero_in_uri = 1; | |
1295 } | |
1296 | |
653 | 1297 if (r->method != NGX_HTTP_HEAD) { |
1298 r->method = NGX_HTTP_GET; | |
1299 } | |
1300 | |
573 | 1301 ngx_http_internal_redirect(r, uri, &args); |
515 | 1302 return; |
1303 } | |
1304 | |
1705 | 1305 part = &u->headers_in.headers.part; |
509 | 1306 h = part->elts; |
1307 | |
1308 for (i = 0; /* void */; i++) { | |
479 | 1309 |
509 | 1310 if (i >= part->nelts) { |
1311 if (part->next == NULL) { | |
1312 break; | |
1313 } | |
577 | 1314 |
509 | 1315 part = part->next; |
1316 h = part->elts; | |
1317 i = 0; | |
1318 } | |
1319 | |
649 | 1320 if (ngx_hash_find(&u->conf->hide_headers_hash, h[i].hash, |
1321 h[i].lowcase_key, h[i].key.len)) | |
509 | 1322 { |
649 | 1323 continue; |
1324 } | |
1325 | |
1326 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, | |
1327 h[i].lowcase_key, h[i].key.len); | |
1328 | |
1329 if (hh) { | |
1330 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
509 | 1331 ngx_http_upstream_finalize_request(r, u, |
1332 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1333 return; | |
1334 } | |
1335 | |
1336 continue; | |
1337 } | |
1338 | |
1339 if (ngx_http_upstream_copy_header_line(r, &h[i], 0) != NGX_OK) { | |
1340 ngx_http_upstream_finalize_request(r, u, | |
1341 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1342 return; | |
1343 } | |
1344 } | |
1345 | |
649 | 1346 if (r->headers_out.server && r->headers_out.server->value.data == NULL) { |
1347 r->headers_out.server->hash = 0; | |
1348 } | |
1349 | |
1350 if (r->headers_out.date && r->headers_out.date->value.data == NULL) { | |
1351 r->headers_out.date->hash = 0; | |
1352 } | |
1353 | |
529 | 1354 r->headers_out.status = u->headers_in.status_n; |
1355 r->headers_out.status_line = u->headers_in.status_line; | |
1356 | |
1885
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1357 u->headers_in.content_length_n = r->headers_out.content_length_n; |
e5897822515f
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|
1358 |
581 | 1359 if (r->headers_out.content_length_n != -1) { |
1360 u->length = (size_t) r->headers_out.content_length_n; | |
1361 | |
1362 } else { | |
1363 u->length = NGX_MAX_SIZE_T_VALUE; | |
1364 } | |
1365 | |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1366 if (!r->subrequest_in_memory) { |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1367 ngx_http_upstream_send_response(r, u); |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1368 return; |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1369 } |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1370 |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1371 /* subrequest content in memory */ |
4ab852b691f5
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parents:
757
diff
changeset
|
1372 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1373 if (u->input_filter == NULL) { |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1374 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1375 u->input_filter = ngx_http_upstream_non_buffered_filter; |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1376 u->input_filter_ctx = r; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1377 } |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1378 |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1379 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1380 ngx_http_upstream_finalize_request(r, u, |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1381 NGX_HTTP_INTERNAL_SERVER_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1382 return; |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1383 } |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1384 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1385 if (u->buffer.last - u->buffer.pos >= (ssize_t) u->length) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1386 if (u->input_filter(u->input_filter_ctx, 0) == NGX_ERROR) { |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1387 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1388 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1389 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1390 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1391 ngx_http_upstream_finalize_request(r, u, 0); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1392 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1393 } |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1394 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1395 rev->handler = ngx_http_upstream_process_body_in_memory; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1396 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1397 ngx_http_upstream_process_body_in_memory(rev); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1398 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1399 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1400 |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1401 static ngx_int_t |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1402 ngx_http_upstream_test_connect(ngx_connection_t *c) |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1403 { |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1404 int err; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1405 socklen_t len; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1406 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1407 #if (NGX_HAVE_KQUEUE) |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1408 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1409 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
1166 | 1410 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
|
1411 c->log->action = "connecting to upstream"; |
1166 | 1412 (void) ngx_connection_error(c, c->write->kq_errno, |
1413 "kevent() reported that connect() failed"); | |
1414 return NGX_ERROR; | |
1415 } | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1416 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1417 } else |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1418 #endif |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1419 { |
1166 | 1420 err = 0; |
1421 len = sizeof(int); | |
1422 | |
1423 /* | |
1424 * BSDs and Linux return 0 and set a pending error in err | |
1425 * Solaris returns -1 and sets errno | |
1426 */ | |
1427 | |
1428 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
1429 == -1) | |
1430 { | |
1431 err = ngx_errno; | |
1432 } | |
1433 | |
1434 if (err) { | |
1469
0a269c464eaf
connection error should be logged with "connecting to upstream" action,
Igor Sysoev <igor@sysoev.ru>
parents:
1468
diff
changeset
|
1435 c->log->action = "connecting to upstream"; |
1166 | 1436 (void) ngx_connection_error(c, err, "connect() failed"); |
1437 return NGX_ERROR; | |
1438 } | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1439 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1440 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1441 return NGX_OK; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1442 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1443 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1444 |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1445 static void |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1446 ngx_http_upstream_process_body_in_memory(ngx_event_t *rev) |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1447 { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1448 size_t size; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1449 ssize_t n; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1450 ngx_buf_t *b; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1451 ngx_connection_t *c; |
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
757
diff
changeset
|
1452 ngx_http_request_t *r; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1453 ngx_http_upstream_t *u; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1454 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1455 c = rev->data; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1456 r = c->data; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1457 u = r->upstream; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1458 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1459 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1460 "http upstream process body on memory"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1461 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1462 if (rev->timedout) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1463 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1464 ngx_http_upstream_finalize_request(r, u, NGX_ETIMEDOUT); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1465 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1466 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1467 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1468 b = &u->buffer; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1469 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1470 for ( ;; ) { |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1471 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1472 size = b->end - b->last; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1473 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1474 if (size == 0) { |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1475 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1476 "upstream buffer is too small to read repsonse"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1477 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1478 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1479 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1480 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1481 n = c->recv(c, b->last, size); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1482 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1483 if (n == NGX_AGAIN) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1484 break; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1485 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1486 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1487 if (n == 0 || n == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1488 ngx_http_upstream_finalize_request(r, u, n); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1489 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1490 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1491 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1492 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1493 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1494 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1495 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1496 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1497 if (!rev->ready) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1498 break; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1499 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1500 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1501 |
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1502 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
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1503 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
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|
1504 return; |
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|
1505 } |
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1506 |
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|
1507 if (rev->active) { |
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1508 ngx_add_timer(rev, u->conf->read_timeout); |
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1509 |
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1510 } else if (rev->timer_set) { |
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1511 ngx_del_timer(rev); |
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|
1512 } |
681 | 1513 } |
1514 | |
1515 | |
1516 static void | |
1517 ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
1518 { | |
1519 int tcp_nodelay; | |
1520 ssize_t size; | |
1521 ngx_int_t rc; | |
1522 ngx_event_pipe_t *p; | |
1523 ngx_connection_t *c; | |
1524 ngx_pool_cleanup_t *cl; | |
1525 ngx_pool_cleanup_file_t *clf; | |
1526 ngx_http_core_loc_conf_t *clcf; | |
1527 | |
509 | 1528 rc = ngx_http_send_header(r); |
479 | 1529 |
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diff
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1530 if (rc == NGX_ERROR || rc > NGX_OK || r->post_action || r->header_only) { |
485 | 1531 ngx_http_upstream_finalize_request(r, u, rc); |
479 | 1532 return; |
1533 } | |
1534 | |
1535 u->header_sent = 1; | |
1536 | |
573 | 1537 if (r->request_body && r->request_body->temp_file) { |
563 | 1538 for (cl = r->pool->cleanup; cl; cl = cl->next) { |
1539 if (cl->handler == ngx_pool_cleanup_file) { | |
1540 clf = cl->data; | |
1541 | |
1542 if (clf->fd == r->request_body->temp_file->file.fd) { | |
1543 cl->handler(clf); | |
1544 cl->handler = NULL; | |
659 | 1545 r->request_body->temp_file->file.fd = NGX_INVALID_FILE; |
563 | 1546 break; |
1547 } | |
1548 } | |
1549 } | |
1550 } | |
1551 | |
583 | 1552 c = r->connection; |
1553 | |
581 | 1554 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
1555 | |
649 | 1556 if (!u->buffering) { |
581 | 1557 |
1558 if (u->input_filter == NULL) { | |
1559 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; | |
1560 u->input_filter = ngx_http_upstream_non_buffered_filter; | |
1561 u->input_filter_ctx = r; | |
1562 } | |
1563 | |
1564 u->peer.connection->read->handler = | |
1565 ngx_http_upstream_process_non_buffered_body; | |
1566 r->write_event_handler = | |
1567 ngx_http_upstream_process_non_buffered_downstream; | |
1568 | |
1569 r->limit_rate = 0; | |
1570 | |
1571 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { | |
1572 ngx_http_upstream_finalize_request(r, u, 0); | |
1573 return; | |
1574 } | |
1575 | |
583 | 1576 if (clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
1577 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay"); | |
1578 | |
1579 tcp_nodelay = 1; | |
1580 | |
1581 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
1582 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
1583 { | |
1584 ngx_connection_error(c, ngx_socket_errno, | |
1585 "setsockopt(TCP_NODELAY) failed"); | |
1586 ngx_http_upstream_finalize_request(r, u, 0); | |
1587 return; | |
1588 } | |
1589 | |
1590 c->tcp_nodelay = NGX_TCP_NODELAY_SET; | |
1591 } | |
1592 | |
581 | 1593 size = u->buffer.last - u->buffer.pos; |
1594 | |
1595 if (size) { | |
1596 u->buffer.last = u->buffer.pos; | |
1597 | |
1598 if (u->input_filter(u->input_filter_ctx, size) == NGX_ERROR) { | |
1599 ngx_http_upstream_finalize_request(r, u, 0); | |
1600 return; | |
1601 } | |
1602 | |
583 | 1603 ngx_http_upstream_process_non_buffered_body(c->write); |
581 | 1604 |
1605 } else { | |
1606 u->buffer.pos = u->buffer.start; | |
1607 u->buffer.last = u->buffer.start; | |
1608 | |
1609 if (ngx_http_send_special(r, NGX_HTTP_FLUSH) == NGX_ERROR) { | |
1610 ngx_http_upstream_finalize_request(r, u, 0); | |
1611 return; | |
1612 } | |
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1613 |
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1614 if (u->peer.connection->read->ready) { |
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1615 ngx_http_upstream_process_non_buffered_body( |
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1616 u->peer.connection->read); |
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1617 } |
581 | 1618 } |
1619 | |
1620 return; | |
1621 } | |
1622 | |
479 | 1623 /* TODO: preallocate event_pipe bufs, look "Content-Length" */ |
1624 | |
1625 #if 0 | |
1626 | |
1627 if (u->cache && u->cache->ctx.file.fd != NGX_INVALID_FILE) { | |
1628 if (ngx_close_file(u->cache->ctx.file.fd) == NGX_FILE_ERROR) { | |
583 | 1629 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
479 | 1630 ngx_close_file_n " \"%s\" failed", |
1631 u->cache->ctx.file.name.data); | |
1632 } | |
1633 } | |
1634 | |
1565 | 1635 if (u->cacheable) { |
581 | 1636 header = (ngx_http_cache_header_t *) u->buffer->start; |
479 | 1637 |
1638 header->expires = u->cache->ctx.expires; | |
1639 header->last_modified = u->cache->ctx.last_modified; | |
1640 header->date = u->cache->ctx.date; | |
1641 header->length = r->headers_out.content_length_n; | |
1642 u->cache->ctx.length = r->headers_out.content_length_n; | |
1643 | |
1644 header->key_len = u->cache->ctx.key0.len; | |
1645 ngx_memcpy(&header->key, u->cache->ctx.key0.data, header->key_len); | |
1646 header->key[header->key_len] = LF; | |
1647 } | |
1648 | |
1649 #endif | |
1650 | |
581 | 1651 p = u->pipe; |
479 | 1652 |
1653 p->output_filter = (ngx_event_pipe_output_filter_pt) ngx_http_output_filter; | |
1654 p->output_ctx = r; | |
1655 p->tag = u->output.tag; | |
577 | 1656 p->bufs = u->conf->bufs; |
479 | 1657 p->busy_size = u->conf->busy_buffers_size; |
1658 p->upstream = u->peer.connection; | |
583 | 1659 p->downstream = c; |
479 | 1660 p->pool = r->pool; |
583 | 1661 p->log = c->log; |
577 | 1662 |
1565 | 1663 p->cacheable = u->cacheable || u->store; |
479 | 1664 |
501 | 1665 p->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
1666 if (p->temp_file == NULL) { | |
479 | 1667 ngx_http_upstream_finalize_request(r, u, 0); |
1668 return; | |
1669 } | |
1670 | |
1671 p->temp_file->file.fd = NGX_INVALID_FILE; | |
583 | 1672 p->temp_file->file.log = c->log; |
479 | 1673 p->temp_file->path = u->conf->temp_path; |
1674 p->temp_file->pool = r->pool; | |
577 | 1675 |
1565 | 1676 if (u->cacheable || u->store) { |
479 | 1677 p->temp_file->persistent = 1; |
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1678 |
479 | 1679 } else { |
667 | 1680 p->temp_file->log_level = NGX_LOG_WARN; |
479 | 1681 p->temp_file->warn = "an upstream response is buffered " |
1682 "to a temporary file"; | |
1683 } | |
1684 | |
1685 p->max_temp_file_size = u->conf->max_temp_file_size; | |
1686 p->temp_file_write_size = u->conf->temp_file_write_size; | |
1687 | |
501 | 1688 p->preread_bufs = ngx_alloc_chain_link(r->pool); |
1689 if (p->preread_bufs == NULL) { | |
479 | 1690 ngx_http_upstream_finalize_request(r, u, 0); |
1691 return; | |
1692 } | |
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1693 |
581 | 1694 p->preread_bufs->buf = &u->buffer; |
479 | 1695 p->preread_bufs->next = NULL; |
581 | 1696 u->buffer.recycled = 1; |
1697 | |
1698 p->preread_size = u->buffer.last - u->buffer.pos; | |
479 | 1699 |
1565 | 1700 if (u->cacheable) { |
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1701 |
479 | 1702 p->buf_to_file = ngx_calloc_buf(r->pool); |
1703 if (p->buf_to_file == NULL) { | |
1704 ngx_http_upstream_finalize_request(r, u, 0); | |
1705 return; | |
1706 } | |
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|
1707 |
581 | 1708 p->buf_to_file->pos = u->buffer.start; |
1709 p->buf_to_file->last = u->buffer.pos; | |
479 | 1710 p->buf_to_file->temporary = 1; |
1711 } | |
1712 | |
1713 if (ngx_event_flags & NGX_USE_AIO_EVENT) { | |
1714 /* the posted aio operation may currupt a shadow buffer */ | |
1715 p->single_buf = 1; | |
1716 } | |
1717 | |
1718 /* TODO: p->free_bufs = 0 if use ngx_create_chain_of_bufs() */ | |
1719 p->free_bufs = 1; | |
1720 | |
1721 /* | |
581 | 1722 * event_pipe would do u->buffer.last += p->preread_size |
479 | 1723 * as though these bytes were read |
1724 */ | |
581 | 1725 u->buffer.last = u->buffer.pos; |
479 | 1726 |
1727 if (u->conf->cyclic_temp_file) { | |
1728 | |
1729 /* | |
1730 * we need to disable the use of sendfile() if we use cyclic temp file | |
1731 * because the writing a new data may interfere with sendfile() | |
1732 * that uses the same kernel file pages (at least on FreeBSD) | |
1733 */ | |
1734 | |
1735 p->cyclic_temp_file = 1; | |
583 | 1736 c->sendfile = 0; |
479 | 1737 |
1738 } else { | |
1739 p->cyclic_temp_file = 0; | |
1740 } | |
1741 | |
1742 p->read_timeout = u->conf->read_timeout; | |
1743 p->send_timeout = clcf->send_timeout; | |
1744 p->send_lowat = clcf->send_lowat; | |
1745 | |
509 | 1746 u->peer.connection->read->handler = ngx_http_upstream_process_body; |
1747 r->write_event_handler = ngx_http_upstream_process_downstream; | |
479 | 1748 |
1749 ngx_http_upstream_process_body(u->peer.connection->read); | |
1750 } | |
1751 | |
1752 | |
487 | 1753 static void |
581 | 1754 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r) |
1755 { | |
1756 ngx_http_upstream_process_non_buffered_body(r->connection->write); | |
1757 } | |
1758 | |
1759 | |
1760 static void | |
1761 ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev) | |
1762 { | |
1763 size_t size; | |
1764 ssize_t n; | |
1765 ngx_buf_t *b; | |
583 | 1766 ngx_int_t rc; |
581 | 1767 ngx_uint_t do_write; |
884 | 1768 ngx_connection_t *c, *downstream, *upstream; |
581 | 1769 ngx_http_request_t *r; |
1770 ngx_http_upstream_t *u; | |
1771 ngx_http_core_loc_conf_t *clcf; | |
1772 | |
1773 c = ev->data; | |
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1774 r = c->data; |
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1775 u = r->upstream; |
581 | 1776 |
1777 if (ev->write) { | |
1778 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1779 "http upstream process non buffered downstream"); | |
1780 c->log->action = "sending to client"; | |
1781 | |
1782 } else { | |
1783 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1784 "http upstream process non buffered upstream"); | |
1785 c->log->action = "reading upstream"; | |
1786 } | |
1787 | |
1788 if (ev->timedout) { | |
1789 if (ev->write) { | |
1790 c->timedout = 1; | |
611 | 1791 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
1792 | |
581 | 1793 } else { |
611 | 1794 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
581 | 1795 } |
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1796 |
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1797 ngx_http_upstream_finalize_request(r, u, 0); |
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1798 return; |
581 | 1799 } |
1800 | |
884 | 1801 downstream = r->connection; |
1802 upstream = u->peer.connection; | |
581 | 1803 |
1804 b = &u->buffer; | |
1805 | |
1806 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1807 | |
657 | 1808 do_write = ev->write || u->length == 0; |
581 | 1809 |
1810 for ( ;; ) { | |
1811 | |
1812 if (do_write) { | |
1813 | |
1814 if (u->out_bufs || u->busy_bufs) { | |
583 | 1815 rc = ngx_http_output_filter(r, u->out_bufs); |
1816 | |
884 | 1817 if (downstream->destroyed) { |
583 | 1818 return; |
1819 } | |
1820 | |
1821 if (rc == NGX_ERROR) { | |
581 | 1822 ngx_http_upstream_finalize_request(r, u, 0); |
1823 return; | |
1824 } | |
1825 | |
1826 ngx_chain_update_chains(&u->free_bufs, &u->busy_bufs, | |
1827 &u->out_bufs, u->output.tag); | |
1828 } | |
1829 | |
1830 if (u->busy_bufs == NULL) { | |
1831 | |
1832 if (u->length == 0 | |
884 | 1833 || upstream->read->eof |
1834 || upstream->read->error) | |
581 | 1835 { |
1836 ngx_http_upstream_finalize_request(r, u, 0); | |
1837 return; | |
1838 } | |
1839 | |
1840 b->pos = b->start; | |
1841 b->last = b->start; | |
1842 } | |
1843 } | |
1844 | |
1845 size = b->end - b->last; | |
1846 | |
1847 if (size > u->length) { | |
1848 size = u->length; | |
1849 } | |
1850 | |
884 | 1851 if (size && upstream->read->ready) { |
1852 | |
1853 n = upstream->recv(upstream, b->last, size); | |
581 | 1854 |
1855 if (n == NGX_AGAIN) { | |
1856 break; | |
1857 } | |
1858 | |
1859 if (n > 0) { | |
1860 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { | |
1861 ngx_http_upstream_finalize_request(r, u, 0); | |
1862 return; | |
1863 } | |
1864 } | |
1865 | |
1866 do_write = 1; | |
1867 | |
1868 continue; | |
1869 } | |
1870 | |
1871 break; | |
1872 } | |
1873 | |
884 | 1874 if (downstream->data == r) { |
1875 if (ngx_handle_write_event(downstream->write, clcf->send_lowat) | |
583 | 1876 == NGX_ERROR) |
1877 { | |
1878 ngx_http_upstream_finalize_request(r, u, 0); | |
1879 return; | |
1880 } | |
581 | 1881 } |
1882 | |
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1883 if (downstream->write->active && !downstream->write->ready) { |
884 | 1884 ngx_add_timer(downstream->write, clcf->send_timeout); |
1885 | |
1886 } else if (downstream->write->timer_set) { | |
1887 ngx_del_timer(downstream->write); | |
581 | 1888 } |
1889 | |
884 | 1890 if (ngx_handle_read_event(upstream->read, 0) == NGX_ERROR) { |
581 | 1891 ngx_http_upstream_finalize_request(r, u, 0); |
1892 return; | |
1893 } | |
1894 | |
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1895 if (upstream->read->active && !upstream->read->ready) { |
884 | 1896 ngx_add_timer(upstream->read, u->conf->read_timeout); |
1897 | |
1898 } else if (upstream->read->timer_set) { | |
1899 ngx_del_timer(upstream->read); | |
581 | 1900 } |
1901 } | |
1902 | |
1903 | |
1904 static ngx_int_t | |
1905 ngx_http_upstream_non_buffered_filter_init(void *data) | |
1906 { | |
1907 return NGX_OK; | |
1908 } | |
1909 | |
1910 | |
1911 static ngx_int_t | |
1912 ngx_http_upstream_non_buffered_filter(void *data, ssize_t bytes) | |
1913 { | |
1914 ngx_http_request_t *r = data; | |
1915 | |
1916 ngx_buf_t *b; | |
1917 ngx_chain_t *cl, **ll; | |
1918 ngx_http_upstream_t *u; | |
1919 | |
1920 u = r->upstream; | |
1921 | |
1922 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
1923 ll = &cl->next; | |
1924 } | |
1925 | |
1926 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
1927 if (cl == NULL) { | |
1928 return NGX_ERROR; | |
1929 } | |
1930 | |
1931 *ll = cl; | |
1932 | |
1933 cl->buf->flush = 1; | |
1934 cl->buf->memory = 1; | |
1935 | |
1936 b = &u->buffer; | |
1937 | |
1938 cl->buf->pos = b->last; | |
1939 b->last += bytes; | |
1940 cl->buf->last = b->last; | |
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diff
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1941 cl->buf->tag = u->output.tag; |
581 | 1942 |
1943 if (u->length == NGX_MAX_SIZE_T_VALUE) { | |
1944 return NGX_OK; | |
1945 } | |
1946 | |
1947 u->length -= bytes; | |
1948 | |
1949 return NGX_OK; | |
1950 } | |
1951 | |
1952 | |
1953 static void | |
509 | 1954 ngx_http_upstream_process_downstream(ngx_http_request_t *r) |
1955 { | |
1956 ngx_http_upstream_process_body(r->connection->write); | |
1957 } | |
1958 | |
1959 | |
1960 static void | |
487 | 1961 ngx_http_upstream_process_body(ngx_event_t *ev) |
479 | 1962 { |
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|
1963 ngx_temp_file_t *tf; |
509 | 1964 ngx_event_pipe_t *p; |
583 | 1965 ngx_connection_t *c, *downstream; |
1098 | 1966 ngx_http_log_ctx_t *ctx; |
479 | 1967 ngx_http_request_t *r; |
1968 ngx_http_upstream_t *u; | |
1969 | |
1970 c = ev->data; | |
1971 r = c->data; | |
1972 u = r->upstream; | |
583 | 1973 downstream = r->connection; |
479 | 1974 |
1975 if (ev->write) { | |
483 | 1976 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
1977 "http upstream process downstream"); | |
1978 c->log->action = "sending to client"; | |
577 | 1979 |
479 | 1980 } else { |
483 | 1981 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
1982 "http upstream process upstream"); | |
1983 c->log->action = "reading upstream"; | |
1098 | 1984 |
1985 ctx = c->log->data; | |
1986 ctx->current_request = r; | |
479 | 1987 } |
577 | 1988 |
581 | 1989 p = u->pipe; |
479 | 1990 |
1991 if (ev->timedout) { | |
1992 if (ev->write) { | |
527 | 1993 if (ev->delayed) { |
1994 | |
1995 ev->timedout = 0; | |
1996 ev->delayed = 0; | |
1997 | |
1998 if (!ev->ready) { | |
1999 ngx_add_timer(ev, p->send_timeout); | |
2000 | |
2001 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) | |
2002 { | |
2003 ngx_http_upstream_finalize_request(r, u, 0); | |
2004 return; | |
2005 } | |
2006 | |
2007 return; | |
2008 } | |
2009 | |
2010 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { | |
583 | 2011 |
2012 if (downstream->destroyed) { | |
2013 return; | |
2014 } | |
2015 | |
527 | 2016 ngx_http_upstream_finalize_request(r, u, 0); |
2017 return; | |
2018 } | |
2019 | |
2020 } else { | |
2021 p->downstream_error = 1; | |
577 | 2022 c->timedout = 1; |
611 | 2023 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
527 | 2024 } |
479 | 2025 |
2026 } else { | |
577 | 2027 p->upstream_error = 1; |
611 | 2028 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
479 | 2029 } |
2030 | |
2031 } else { | |
527 | 2032 if (ev->write && ev->delayed) { |
2033 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
2034 "http downstream delayed"); | |
2035 | |
2036 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) { | |
2037 return; | |
2038 } | |
2039 | |
2040 return; | |
2041 } | |
2042 | |
479 | 2043 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { |
583 | 2044 |
2045 if (downstream->destroyed) { | |
2046 return; | |
2047 } | |
2048 | |
479 | 2049 ngx_http_upstream_finalize_request(r, u, 0); |
2050 return; | |
2051 } | |
2052 } | |
577 | 2053 |
479 | 2054 if (u->peer.connection) { |
2055 | |
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2056 if (u->store) { |
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2057 |
1885
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2058 tf = u->pipe->temp_file; |
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2059 |
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2060 if (p->upstream_eof |
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2061 && u->headers_in.status_n == NGX_HTTP_OK |
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2062 && (u->headers_in.content_length_n == -1 |
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2063 || (u->headers_in.content_length_n == tf->offset))) |
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2064 { |
1291
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2065 ngx_http_upstream_store(r, u); |
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2066 |
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2067 } else if ((p->upstream_error |
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2068 || (p->upstream_eof |
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2069 && u->headers_in.status_n != NGX_HTTP_OK)) |
1885
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2070 && tf->file.fd != NGX_INVALID_FILE) |
1291
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2071 { |
1885
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2072 if (ngx_delete_file(tf->file.name.data) == NGX_FILE_ERROR) { |
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2073 |
1291
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2074 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
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2075 ngx_delete_file_n " \"%s\" failed", |
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2076 u->pipe->temp_file->file.name.data); |
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2077 } |
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2078 } |
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2079 } |
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|
2080 |
479 | 2081 #if (NGX_HTTP_FILE_CACHE) |
2082 | |
1565 | 2083 if (p->upstream_done && u->cacheable) { |
479 | 2084 if (ngx_http_cache_update(r) == NGX_ERROR) { |
2085 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2086 ngx_http_upstream_finalize_request(r, u, 0); | |
2087 return; | |
2088 } | |
2089 | |
1565 | 2090 } else if (p->upstream_eof && u->cacheable) { |
479 | 2091 |
2092 /* TODO: check length & update cache */ | |
2093 | |
2094 if (ngx_http_cache_update(r) == NGX_ERROR) { | |
2095 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2096 ngx_http_upstream_finalize_request(r, u, 0); | |
2097 return; | |
2098 } | |
2099 } | |
2100 | |
2101 #endif | |
2102 | |
2103 if (p->upstream_done || p->upstream_eof || p->upstream_error) { | |
483 | 2104 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
2105 "http upstream exit: %p", p->out); | |
479 | 2106 #if 0 |
2107 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2108 #endif | |
2109 ngx_http_upstream_finalize_request(r, u, 0); | |
2110 return; | |
2111 } | |
2112 } | |
2113 | |
2114 if (p->downstream_error) { | |
483 | 2115 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
2116 "http upstream downstream error"); | |
479 | 2117 |
1565 | 2118 if (!u->cacheable && u->peer.connection) { |
479 | 2119 ngx_http_upstream_finalize_request(r, u, 0); |
2120 } | |
2121 } | |
2122 } | |
2123 | |
2124 | |
487 | 2125 static void |
1291
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2126 ngx_http_upstream_store(ngx_http_request_t *r, ngx_http_upstream_t *u) |
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2127 { |
1947
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2128 size_t root; |
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use ngx_ext_rename_file() in proxy/fastcgi_store
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|
2129 time_t lm; |
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2130 ngx_str_t path; |
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2131 ngx_temp_file_t *tf; |
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2132 ngx_ext_rename_file_t ext; |
1291
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2133 |
1777 | 2134 tf = u->pipe->temp_file; |
2135 | |
2136 if (tf->file.fd == NGX_INVALID_FILE) { | |
1291
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2137 |
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2138 /* create file for empty 200 response */ |
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2139 |
13a4ce6e7f1e
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2140 tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
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|
2141 if (tf == NULL) { |
13a4ce6e7f1e
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|
2142 return; |
13a4ce6e7f1e
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|
2143 } |
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|
2144 |
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|
2145 tf->file.fd = NGX_INVALID_FILE; |
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|
2146 tf->file.log = r->connection->log; |
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proxy_store and fastcgi_store
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2147 tf->path = u->conf->temp_path; |
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|
2148 tf->pool = r->pool; |
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|
2149 tf->persistent = 1; |
13a4ce6e7f1e
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2150 |
13a4ce6e7f1e
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2151 if (ngx_create_temp_file(&tf->file, tf->path, tf->pool, |
13a4ce6e7f1e
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|
2152 tf->persistent, tf->clean, tf->access) |
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|
2153 != NGX_OK) |
13a4ce6e7f1e
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|
2154 { |
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|
2155 return; |
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|
2156 } |
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|
2157 |
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2158 u->pipe->temp_file = tf; |
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2159 } |
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2160 |
1947
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|
2161 ext.access = u->conf->store_access; |
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2162 ext.time = -1; |
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2163 ext.create_path = 1; |
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2164 ext.delete_file = 1; |
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2165 ext.log = r->connection->log; |
1291
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2166 |
1705 | 2167 if (u->headers_in.last_modified) { |
2168 | |
1947
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2169 lm = ngx_http_parse_time(u->headers_in.last_modified->value.data, |
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2170 u->headers_in.last_modified->value.len); |
1291
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2171 |
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2172 if (lm != NGX_ERROR) { |
1947
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2173 ext.time = lm; |
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2174 ext.fd = tf->file.fd; |
1291
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2175 } |
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2176 } |
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2177 |
1295
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2178 if (u->conf->store_lengths == NULL) { |
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2179 |
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2180 ngx_http_map_uri_to_path(r, &path, &root, 0); |
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2181 |
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2182 } else { |
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2183 if (ngx_http_script_run(r, &path, u->conf->store_lengths->elts, 0, |
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2184 u->conf->store_values->elts) |
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2185 == NULL) |
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|
2186 { |
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2187 return; |
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2188 } |
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|
2189 } |
1291
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|
2190 |
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2191 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
1947
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|
2192 "upstream stores \"%s\" to \"%s\"", |
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changeset
|
2193 tf->file.name.data, path.data); |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2194 |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2195 (void) ngx_ext_rename_file(&tf->file.name, &path, &ext); |
1291
13a4ce6e7f1e
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Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2196 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2197 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
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|
2198 |
13a4ce6e7f1e
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parents:
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diff
changeset
|
2199 static void |
487 | 2200 ngx_http_upstream_dummy_handler(ngx_event_t *wev) |
479 | 2201 { |
2202 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
2203 "http upstream dummy handler"); | |
2204 } | |
2205 | |
2206 | |
487 | 2207 static void |
2208 ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u, | |
2209 ngx_uint_t ft_type) | |
479 | 2210 { |
884 | 2211 ngx_uint_t status, state; |
479 | 2212 |
2213 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
884 | 2214 "http next upstream, %xi", ft_type); |
479 | 2215 |
2216 #if 0 | |
2217 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2218 #endif | |
2219 | |
525 | 2220 if (ft_type == NGX_HTTP_UPSTREAM_FT_HTTP_404) { |
884 | 2221 state = NGX_PEER_NEXT; |
525 | 2222 } else { |
884 | 2223 state = NGX_PEER_FAILED; |
479 | 2224 } |
525 | 2225 |
1378 | 2226 if (ft_type != NGX_HTTP_UPSTREAM_FT_NOLIVE) { |
2227 u->peer.free(&u->peer, u->peer.data, state); | |
2228 } | |
525 | 2229 |
479 | 2230 if (ft_type == NGX_HTTP_UPSTREAM_FT_TIMEOUT) { |
2231 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ETIMEDOUT, | |
2232 "upstream timed out"); | |
2233 } | |
577 | 2234 |
479 | 2235 if (u->peer.cached && ft_type == NGX_HTTP_UPSTREAM_FT_ERROR) { |
2236 status = 0; | |
2237 | |
2238 } else { | |
2239 switch(ft_type) { | |
2240 | |
2241 case NGX_HTTP_UPSTREAM_FT_TIMEOUT: | |
2242 status = NGX_HTTP_GATEWAY_TIME_OUT; | |
2243 break; | |
2244 | |
2245 case NGX_HTTP_UPSTREAM_FT_HTTP_500: | |
2246 status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
2247 break; | |
2248 | |
2249 case NGX_HTTP_UPSTREAM_FT_HTTP_404: | |
2250 status = NGX_HTTP_NOT_FOUND; | |
2251 break; | |
2252 | |
2253 /* | |
2254 * NGX_HTTP_UPSTREAM_FT_BUSY_LOCK and NGX_HTTP_UPSTREAM_FT_MAX_WAITING | |
2255 * never reach here | |
2256 */ | |
2257 | |
2258 default: | |
2259 status = NGX_HTTP_BAD_GATEWAY; | |
2260 } | |
2261 } | |
2262 | |
583 | 2263 if (r->connection->error) { |
479 | 2264 ngx_http_upstream_finalize_request(r, u, |
2265 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
2266 return; | |
2267 } | |
2268 | |
2269 if (status) { | |
2270 u->state->status = status; | |
2271 | |
525 | 2272 if (u->peer.tries == 0 || !(u->conf->next_upstream & ft_type)) { |
479 | 2273 |
2274 #if (NGX_HTTP_CACHE) | |
2275 | |
2276 if (u->stale && (u->conf->use_stale & ft_type)) { | |
2277 ngx_http_upstream_finalize_request(r, u, | |
525 | 2278 ngx_http_send_cached_response(r)); |
479 | 2279 return; |
2280 } | |
2281 | |
2282 #endif | |
2283 | |
2284 ngx_http_upstream_finalize_request(r, u, status); | |
2285 return; | |
2286 } | |
2287 } | |
2288 | |
2289 if (u->peer.connection) { | |
2290 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2291 "close http upstream connection: %d", | |
2292 u->peer.connection->fd); | |
577 | 2293 #if (NGX_HTTP_SSL) |
884 | 2294 |
577 | 2295 if (u->peer.connection->ssl) { |
884 | 2296 u->peer.connection->ssl->no_wait_shutdown = 1; |
2297 u->peer.connection->ssl->no_send_shutdown = 1; | |
2298 | |
2299 (void) ngx_ssl_shutdown(u->peer.connection); | |
577 | 2300 } |
2301 #endif | |
884 | 2302 |
479 | 2303 ngx_close_connection(u->peer.connection); |
2304 } | |
2305 | |
2306 #if 0 | |
2307 if (u->conf->busy_lock && !u->busy_locked) { | |
2308 ngx_http_upstream_busy_lock(p); | |
2309 return; | |
2310 } | |
2311 #endif | |
2312 | |
2313 ngx_http_upstream_connect(r, u); | |
2314 } | |
2315 | |
2316 | |
487 | 2317 static void |
569 | 2318 ngx_http_upstream_cleanup(void *data) |
2319 { | |
2320 ngx_http_request_t *r = data; | |
2321 | |
1705 | 2322 ngx_http_upstream_t *u; |
2323 | |
569 | 2324 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2325 "cleanup http upstream request: \"%V\"", &r->uri); | |
2326 | |
1705 | 2327 u = r->upstream; |
2328 | |
2329 if (u->resolved && u->resolved->ctx) { | |
2330 ngx_resolve_name_done(u->resolved->ctx); | |
1658 | 2331 } |
2332 | |
1705 | 2333 ngx_http_upstream_finalize_request(r, u, NGX_DONE); |
569 | 2334 } |
2335 | |
2336 | |
2337 static void | |
487 | 2338 ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
2339 ngx_http_upstream_t *u, ngx_int_t rc) | |
479 | 2340 { |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2341 ngx_time_t *tp; |
563 | 2342 |
483 | 2343 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2344 "finalize http upstream request: %i", rc); | |
479 | 2345 |
569 | 2346 *u->cleanup = NULL; |
2347 | |
1658 | 2348 if (u->state && u->state->response_sec) { |
563 | 2349 tp = ngx_timeofday(); |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2350 u->state->response_sec = tp->sec - u->state->response_sec; |
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2351 u->state->response_msec = tp->msec - u->state->response_msec; |
563 | 2352 } |
2353 | |
479 | 2354 u->finalize_request(r, rc); |
2355 | |
1658 | 2356 if (u->peer.free) { |
2357 u->peer.free(&u->peer, u->peer.data, 0); | |
2358 } | |
884 | 2359 |
479 | 2360 if (u->peer.connection) { |
884 | 2361 |
577 | 2362 #if (NGX_HTTP_SSL) |
2363 | |
2364 /* TODO: do not shutdown persistent connection */ | |
2365 | |
2366 if (u->peer.connection->ssl) { | |
884 | 2367 |
2368 /* | |
2369 * We send the "close notify" shutdown alert to the upstream only | |
2370 * and do not wait its "close notify" shutdown alert. | |
2371 * It is acceptable according to the TLS standard. | |
2372 */ | |
2373 | |
2374 u->peer.connection->ssl->no_wait_shutdown = 1; | |
2375 | |
2376 (void) ngx_ssl_shutdown(u->peer.connection); | |
577 | 2377 } |
2378 #endif | |
884 | 2379 |
2380 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2381 "close http upstream connection: %d", | |
2382 u->peer.connection->fd); | |
2383 | |
479 | 2384 ngx_close_connection(u->peer.connection); |
2385 } | |
2386 | |
483 | 2387 u->peer.connection = NULL; |
2388 | |
563 | 2389 if (u->header_sent && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE)) |
479 | 2390 { |
2391 rc = 0; | |
2392 } | |
2393 | |
581 | 2394 if (u->pipe && u->pipe->temp_file) { |
479 | 2395 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2396 "http upstream temp fd: %d", | |
581 | 2397 u->pipe->temp_file->file.fd); |
479 | 2398 } |
2399 | |
2400 #if 0 | |
2401 if (u->cache) { | |
2402 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
483 | 2403 "http upstream cache fd: %d", |
479 | 2404 u->cache->ctx.file.fd); |
2405 } | |
2406 #endif | |
2407 | |
515 | 2408 if (rc == NGX_DECLINED) { |
2409 return; | |
2410 } | |
2411 | |
483 | 2412 r->connection->log->action = "sending to client"; |
2413 | |
1259
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2414 if (rc == 0) { |
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2415 if (r == r->main) { |
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2416 if (!r->post_action) { |
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2417 rc = ngx_http_send_special(r, NGX_HTTP_LAST); |
05b5236c2ff5
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Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2418 } |
05b5236c2ff5
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parents:
1245
diff
changeset
|
2419 |
05b5236c2ff5
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Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2420 } else { |
05b5236c2ff5
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Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2421 if (r->out) { |
05b5236c2ff5
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Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2422 rc = NGX_AGAIN; |
05b5236c2ff5
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Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2423 } |
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if subrequest response was buffered in file, then subrequest was finalized
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parents:
1245
diff
changeset
|
2424 } |
479 | 2425 } |
2426 | |
2427 ngx_http_finalize_request(r, rc); | |
2428 } | |
2429 | |
2430 | |
509 | 2431 static ngx_int_t |
2432 ngx_http_upstream_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2433 ngx_uint_t offset) | |
577 | 2434 { |
509 | 2435 ngx_table_elt_t **ph; |
577 | 2436 |
509 | 2437 ph = (ngx_table_elt_t **) ((char *) &r->upstream->headers_in + offset); |
2438 | |
2439 if (*ph == NULL) { | |
2440 *ph = h; | |
2441 } | |
2442 | |
2443 return NGX_OK; | |
2444 } | |
2445 | |
2446 | |
2447 static ngx_int_t | |
2448 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
2449 ngx_table_elt_t *h, ngx_uint_t offset) | |
2450 { | |
2451 ngx_array_t *pa; | |
2452 ngx_table_elt_t **ph; | |
2453 | |
2454 pa = (ngx_array_t *) ((char *) &r->upstream->headers_in + offset); | |
2455 | |
2456 if (pa->elts == NULL) { | |
2457 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
2458 { | |
2459 return NGX_ERROR; | |
2460 } | |
2461 } | |
2462 | |
2463 ph = ngx_array_push(pa); | |
2464 if (ph == NULL) { | |
2465 return NGX_ERROR; | |
2466 } | |
2467 | |
2468 *ph = h; | |
2469 | |
2470 return NGX_OK; | |
2471 } | |
2472 | |
2473 | |
2474 static ngx_int_t | |
2475 ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2476 ngx_uint_t offset) | |
2477 { | |
2478 return NGX_OK; | |
2479 } | |
2480 | |
2481 | |
2482 static ngx_int_t | |
527 | 2483 ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, ngx_table_elt_t *h, |
2484 ngx_uint_t offset) | |
577 | 2485 { |
527 | 2486 ngx_int_t n; |
2487 | |
2488 r->upstream->headers_in.x_accel_limit_rate = h; | |
2489 | |
2490 n = ngx_atoi(h->value.data, h->value.len); | |
2491 | |
2492 if (n != NGX_ERROR) { | |
2493 r->limit_rate = (size_t) n; | |
2494 } | |
2495 | |
2496 return NGX_OK; | |
2497 } | |
2498 | |
2499 | |
2500 static ngx_int_t | |
649 | 2501 ngx_http_upstream_process_buffering(ngx_http_request_t *r, ngx_table_elt_t *h, |
2502 ngx_uint_t offset) | |
2503 { | |
2504 u_char c0, c1, c2; | |
2505 | |
2506 if (r->upstream->conf->change_buffering) { | |
2507 | |
2508 if (h->value.len == 2) { | |
2509 c0 = ngx_tolower(h->value.data[0]); | |
2510 c1 = ngx_tolower(h->value.data[1]); | |
2511 | |
2512 if (c0 == 'n' && c1 == 'o') { | |
2513 r->upstream->buffering = 0; | |
2514 } | |
2515 | |
2516 } else if (h->value.len == 3) { | |
2517 c0 = ngx_tolower(h->value.data[0]); | |
2518 c1 = ngx_tolower(h->value.data[1]); | |
2519 c2 = ngx_tolower(h->value.data[2]); | |
2520 | |
2521 if (c0 == 'y' && c1 == 'e' && c2 == 's') { | |
2522 r->upstream->buffering = 1; | |
2523 } | |
2524 } | |
2525 } | |
2526 | |
2527 return NGX_OK; | |
2528 } | |
2529 | |
2530 | |
2531 static ngx_int_t | |
657 | 2532 ngx_http_upstream_process_charset(ngx_http_request_t *r, ngx_table_elt_t *h, |
2533 ngx_uint_t offset) | |
2534 { | |
2535 r->headers_out.override_charset = &h->value; | |
2536 | |
2537 return NGX_OK; | |
2538 } | |
2539 | |
2540 | |
2541 static ngx_int_t | |
509 | 2542 ngx_http_upstream_copy_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, |
2543 ngx_uint_t offset) | |
2544 { | |
573 | 2545 ngx_table_elt_t *ho, **ph; |
509 | 2546 |
2547 ho = ngx_list_push(&r->headers_out.headers); | |
2548 if (ho == NULL) { | |
2549 return NGX_ERROR; | |
2550 } | |
2551 | |
2552 *ho = *h; | |
2553 | |
573 | 2554 if (offset) { |
2555 ph = (ngx_table_elt_t **) ((char *) &r->headers_out + offset); | |
2556 *ph = ho; | |
2557 } | |
2558 | |
509 | 2559 return NGX_OK; |
2560 } | |
2561 | |
2562 | |
2563 static ngx_int_t | |
2564 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
2565 ngx_table_elt_t *h, ngx_uint_t offset) | |
2566 { | |
2567 ngx_array_t *pa; | |
2568 ngx_table_elt_t *ho, **ph; | |
2569 | |
2570 pa = (ngx_array_t *) ((char *) &r->headers_out + offset); | |
2571 | |
2572 if (pa->elts == NULL) { | |
2573 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
2574 { | |
2575 return NGX_ERROR; | |
2576 } | |
2577 } | |
2578 | |
2579 ph = ngx_array_push(pa); | |
2580 if (ph == NULL) { | |
2581 return NGX_ERROR; | |
2582 } | |
2583 | |
2584 ho = ngx_list_push(&r->headers_out.headers); | |
2585 if (ho == NULL) { | |
2586 return NGX_ERROR; | |
2587 } | |
2588 | |
2589 *ho = *h; | |
2590 *ph = ho; | |
2591 | |
2592 return NGX_OK; | |
2593 } | |
2594 | |
2595 | |
2596 static ngx_int_t | |
2597 ngx_http_upstream_copy_content_type(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2598 ngx_uint_t offset) | |
2599 { | |
657 | 2600 u_char *p, *last; |
2601 | |
2602 r->headers_out.content_type_len = h->value.len; | |
509 | 2603 r->headers_out.content_type = h->value; |
2604 | |
657 | 2605 for (p = h->value.data; *p; p++) { |
2606 | |
2607 if (*p != ';') { | |
2608 continue; | |
2609 } | |
2610 | |
2611 last = p; | |
2612 | |
2613 while (*++p == ' ') { /* void */ } | |
2614 | |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1098
diff
changeset
|
2615 if (ngx_strncasecmp(p, (u_char *) "charset=", 8) != 0) { |
657 | 2616 continue; |
2617 } | |
2618 | |
2619 p += 8; | |
2620 | |
2621 r->headers_out.content_type_len = last - h->value.data; | |
2622 | |
2623 r->headers_out.charset.len = h->value.data + h->value.len - p; | |
2624 r->headers_out.charset.data = p; | |
1143
c6c42497106c
fix segfault if upstream sends trailing ";" in "charset="
Igor Sysoev <igor@sysoev.ru>
parents:
1109
diff
changeset
|
2625 |
c6c42497106c
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parents:
1109
diff
changeset
|
2626 return NGX_OK; |
657 | 2627 } |
2628 | |
509 | 2629 return NGX_OK; |
2630 } | |
2631 | |
2632 | |
2633 static ngx_int_t | |
2634 ngx_http_upstream_copy_content_length(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2635 ngx_uint_t offset) | |
2636 { | |
2637 ngx_table_elt_t *ho; | |
2638 | |
2639 ho = ngx_list_push(&r->headers_out.headers); | |
2640 if (ho == NULL) { | |
2641 return NGX_ERROR; | |
2642 } | |
2643 | |
2644 *ho = *h; | |
2645 | |
2646 r->headers_out.content_length = ho; | |
2647 r->headers_out.content_length_n = ngx_atoof(h->value.data, h->value.len); | |
2648 | |
2649 return NGX_OK; | |
2650 } | |
2651 | |
2652 | |
2653 static ngx_int_t | |
2654 ngx_http_upstream_rewrite_location(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2655 ngx_uint_t offset) | |
2656 { | |
2657 ngx_int_t rc; | |
2658 ngx_table_elt_t *ho; | |
2659 | |
2660 ho = ngx_list_push(&r->headers_out.headers); | |
2661 if (ho == NULL) { | |
2662 return NGX_ERROR; | |
2663 } | |
2664 | |
2665 *ho = *h; | |
2666 | |
2667 if (r->upstream->rewrite_redirect) { | |
2668 rc = r->upstream->rewrite_redirect(r, ho, 0); | |
2669 | |
529 | 2670 if (rc == NGX_DECLINED) { |
2671 return NGX_OK; | |
2672 } | |
2673 | |
509 | 2674 if (rc == NGX_OK) { |
2675 r->headers_out.location = ho; | |
2676 | |
2677 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2678 "rewritten location: \"%V\"", &ho->value); | |
2679 } | |
2680 | |
2681 return rc; | |
2682 } | |
2683 | |
1653
ea681a6a0c61
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Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2684 if (ho->value.data[0] != '/') { |
ea681a6a0c61
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Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2685 r->headers_out.location = ho; |
ea681a6a0c61
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Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2686 } |
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2687 |
509 | 2688 /* |
2689 * we do not set r->headers_out.location here to avoid the handling | |
2690 * the local redirects without a host name by ngx_http_header_filter() | |
2691 */ | |
2692 | |
2693 return NGX_OK; | |
2694 } | |
2695 | |
2696 | |
2697 static ngx_int_t | |
2698 ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2699 ngx_uint_t offset) | |
2700 { | |
2701 u_char *p; | |
2702 ngx_int_t rc; | |
2703 ngx_table_elt_t *ho; | |
2704 | |
2705 ho = ngx_list_push(&r->headers_out.headers); | |
2706 if (ho == NULL) { | |
2707 return NGX_ERROR; | |
2708 } | |
2709 | |
2710 *ho = *h; | |
2711 | |
2712 if (r->upstream->rewrite_redirect) { | |
2713 | |
1549 | 2714 p = ngx_strcasestrn(ho->value.data, "url=", 4 - 1); |
509 | 2715 |
2716 if (p) { | |
2717 rc = r->upstream->rewrite_redirect(r, ho, p + 4 - ho->value.data); | |
2718 | |
2719 } else { | |
2720 return NGX_OK; | |
2721 } | |
2722 | |
529 | 2723 if (rc == NGX_DECLINED) { |
2724 return NGX_OK; | |
2725 } | |
2726 | |
509 | 2727 if (rc == NGX_OK) { |
1654 | 2728 r->headers_out.refresh = ho; |
2729 | |
509 | 2730 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2731 "rewritten refresh: \"%V\"", &ho->value); | |
2732 } | |
2733 | |
2734 return rc; | |
2735 } | |
2736 | |
1654 | 2737 r->headers_out.refresh = ho; |
2738 | |
509 | 2739 return NGX_OK; |
2740 } | |
2741 | |
2742 | |
2743 #if (NGX_HTTP_GZIP) | |
2744 | |
2745 static ngx_int_t | |
2746 ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
2747 ngx_table_elt_t *h, ngx_uint_t offset) | |
2748 { | |
2749 ngx_table_elt_t *ho; | |
2750 | |
2751 ho = ngx_list_push(&r->headers_out.headers); | |
2752 if (ho == NULL) { | |
2753 return NGX_ERROR; | |
2754 } | |
2755 | |
2756 *ho = *h; | |
2757 | |
2758 r->headers_out.content_encoding = ho; | |
2759 | |
2760 return NGX_OK; | |
2761 } | |
2762 | |
2763 #endif | |
2764 | |
2765 | |
487 | 2766 static ngx_int_t |
573 | 2767 ngx_http_upstream_add_variables(ngx_conf_t *cf) |
479 | 2768 { |
880 | 2769 ngx_http_variable_t *var, *v; |
479 | 2770 |
573 | 2771 for (v = ngx_http_upstream_vars; v->name.len; v++) { |
2772 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
2773 if (var == NULL) { | |
2774 return NGX_ERROR; | |
2775 } | |
2776 | |
637 | 2777 var->get_handler = v->get_handler; |
573 | 2778 var->data = v->data; |
2779 } | |
2780 | |
479 | 2781 return NGX_OK; |
2782 } | |
509 | 2783 |
2784 | |
573 | 2785 static ngx_int_t |
1181 | 2786 ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
2787 ngx_http_variable_value_t *v, uintptr_t data) | |
2788 { | |
2789 u_char *p; | |
2790 size_t len; | |
2791 ngx_uint_t i; | |
2792 ngx_http_upstream_state_t *state; | |
2793 | |
2794 v->valid = 1; | |
1565 | 2795 v->no_cacheable = 0; |
1181 | 2796 v->not_found = 0; |
2797 | |
2798 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { | |
2799 v->not_found = 1; | |
2800 return NGX_OK; | |
2801 } | |
2802 | |
2803 len = 0; | |
2804 state = r->upstream_states->elts; | |
2805 | |
2806 for (i = 0; i < r->upstream_states->nelts; i++) { | |
2807 if (state[i].peer) { | |
2808 len += state[i].peer->len + 2; | |
2809 | |
2810 } else { | |
2811 len += 3; | |
2812 } | |
2813 } | |
2814 | |
2815 p = ngx_palloc(r->pool, len); | |
2816 if (p == NULL) { | |
2817 return NGX_ERROR; | |
2818 } | |
2819 | |
2820 v->data = p; | |
2821 | |
2822 i = 0; | |
2823 | |
2824 for ( ;; ) { | |
2825 if (state[i].peer) { | |
2826 p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len); | |
2827 } | |
2828 | |
2829 if (++i == r->upstream_states->nelts) { | |
2830 break; | |
2831 } | |
2832 | |
2833 if (state[i].peer) { | |
2834 *p++ = ','; | |
2835 *p++ = ' '; | |
2836 | |
2837 } else { | |
2838 *p++ = ' '; | |
2839 *p++ = ':'; | |
2840 *p++ = ' '; | |
2841 | |
2842 if (++i == r->upstream_states->nelts) { | |
2843 break; | |
2844 } | |
2845 | |
2846 continue; | |
2847 } | |
2848 } | |
2849 | |
2850 v->len = p - v->data; | |
2851 | |
2852 return NGX_OK; | |
2853 } | |
2854 | |
2855 | |
2856 static ngx_int_t | |
573 | 2857 ngx_http_upstream_status_variable(ngx_http_request_t *r, |
2858 ngx_http_variable_value_t *v, uintptr_t data) | |
2859 { | |
2860 u_char *p; | |
2861 size_t len; | |
2862 ngx_uint_t i; | |
2863 ngx_http_upstream_state_t *state; | |
2864 | |
2865 v->valid = 1; | |
1565 | 2866 v->no_cacheable = 0; |
573 | 2867 v->not_found = 0; |
2868 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2869 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
573 | 2870 v->not_found = 1; |
2871 return NGX_OK; | |
2872 } | |
2873 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2874 len = r->upstream_states->nelts * (3 + 2); |
573 | 2875 |
2876 p = ngx_palloc(r->pool, len); | |
2877 if (p == NULL) { | |
2878 return NGX_ERROR; | |
2879 } | |
2880 | |
2881 v->data = p; | |
2882 | |
2883 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
|
2884 state = r->upstream_states->elts; |
573 | 2885 |
2886 for ( ;; ) { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2887 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
|
2888 p = ngx_sprintf(p, "%ui", state[i].status); |
573 | 2889 |
2890 } else { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2891 *p++ = '-'; |
573 | 2892 } |
2893 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2894 if (++i == r->upstream_states->nelts) { |
573 | 2895 break; |
2896 } | |
2897 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2898 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
|
2899 *p++ = ','; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2900 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2901 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2902 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2903 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2904 *p++ = ':'; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2905 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2906 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2907 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
|
2908 break; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2909 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2910 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2911 continue; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2912 } |
573 | 2913 } |
2914 | |
2915 v->len = p - v->data; | |
2916 | |
2917 return NGX_OK; | |
2918 } | |
2919 | |
2920 | |
2921 static ngx_int_t | |
2922 ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
2923 ngx_http_variable_value_t *v, uintptr_t data) | |
2924 { | |
2925 u_char *p; | |
2926 size_t len; | |
2927 ngx_uint_t i; | |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2928 ngx_msec_int_t ms; |
573 | 2929 ngx_http_upstream_state_t *state; |
2930 | |
2931 v->valid = 1; | |
1565 | 2932 v->no_cacheable = 0; |
573 | 2933 v->not_found = 0; |
2934 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2935 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
573 | 2936 v->not_found = 1; |
2937 return NGX_OK; | |
2938 } | |
2939 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2940 len = r->upstream_states->nelts * (NGX_TIME_T_LEN + 4 + 2); |
573 | 2941 |
2942 p = ngx_palloc(r->pool, len); | |
2943 if (p == NULL) { | |
2944 return NGX_ERROR; | |
2945 } | |
2946 | |
2947 v->data = p; | |
2948 | |
2949 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
|
2950 state = r->upstream_states->elts; |
573 | 2951 |
2952 for ( ;; ) { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2953 if (state[i].status) { |
1640 | 2954 ms = (ngx_msec_int_t) |
2955 (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
|
2956 ms = (ms >= 0) ? ms : 0; |
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2957 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
|
2958 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2959 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2960 *p++ = '-'; |
573 | 2961 } |
2962 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2963 if (++i == r->upstream_states->nelts) { |
573 | 2964 break; |
2965 } | |
2966 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2967 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
|
2968 *p++ = ','; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2969 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2970 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2971 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2972 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2973 *p++ = ':'; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2974 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2975 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2976 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
|
2977 break; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2978 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2979 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2980 continue; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2981 } |
573 | 2982 } |
2983 | |
2984 v->len = p - v->data; | |
2985 | |
2986 return NGX_OK; | |
2987 } | |
2988 | |
2989 | |
1162 | 2990 ngx_int_t |
2991 ngx_http_upstream_header_variable(ngx_http_request_t *r, | |
2992 ngx_http_variable_value_t *v, uintptr_t data) | |
2993 { | |
2994 if (r->upstream == NULL) { | |
2995 v->not_found = 1; | |
2996 return NGX_OK; | |
2997 } | |
2998 | |
2999 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
3000 &r->upstream->headers_in.headers.part, | |
3001 sizeof("upstream_http_") - 1); | |
3002 } | |
3003 | |
3004 | |
651 | 3005 static char * |
3006 ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) | |
3007 { | |
884 | 3008 char *rv; |
3009 void *mconf; | |
3010 ngx_str_t *value; | |
3011 ngx_url_t u; | |
3012 ngx_uint_t m; | |
3013 ngx_conf_t pcf; | |
3014 ngx_http_module_t *module; | |
3015 ngx_http_conf_ctx_t *ctx, *http_ctx; | |
3016 ngx_http_upstream_srv_conf_t *uscf; | |
3017 | |
3018 ngx_memzero(&u, sizeof(ngx_url_t)); | |
3019 | |
3020 value = cf->args->elts; | |
3021 u.host = value[1]; | |
3022 u.no_resolve = 1; | |
3023 | |
3024 uscf = ngx_http_upstream_add(cf, &u, NGX_HTTP_UPSTREAM_CREATE | |
3025 |NGX_HTTP_UPSTREAM_WEIGHT | |
3026 |NGX_HTTP_UPSTREAM_MAX_FAILS | |
3027 |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT | |
3028 |NGX_HTTP_UPSTREAM_DOWN | |
3029 |NGX_HTTP_UPSTREAM_BACKUP); | |
3030 if (uscf == NULL) { | |
3031 return NGX_CONF_ERROR; | |
3032 } | |
3033 | |
651 | 3034 |
3035 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); | |
3036 if (ctx == NULL) { | |
3037 return NGX_CONF_ERROR; | |
3038 } | |
3039 | |
884 | 3040 http_ctx = cf->ctx; |
3041 ctx->main_conf = http_ctx->main_conf; | |
651 | 3042 |
3043 /* the upstream{}'s srv_conf */ | |
3044 | |
3045 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
3046 if (ctx->srv_conf == NULL) { | |
3047 return NGX_CONF_ERROR; | |
3048 } | |
3049 | |
3050 ctx->srv_conf[ngx_http_upstream_module.ctx_index] = uscf; | |
3051 | |
884 | 3052 uscf->srv_conf = ctx->srv_conf; |
3053 | |
651 | 3054 |
3055 /* the upstream{}'s loc_conf */ | |
3056 | |
3057 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
3058 if (ctx->loc_conf == NULL) { | |
3059 return NGX_CONF_ERROR; | |
3060 } | |
3061 | |
3062 for (m = 0; ngx_modules[m]; m++) { | |
3063 if (ngx_modules[m]->type != NGX_HTTP_MODULE) { | |
3064 continue; | |
3065 } | |
3066 | |
3067 module = ngx_modules[m]->ctx; | |
3068 | |
884 | 3069 if (module->create_srv_conf) { |
3070 mconf = module->create_srv_conf(cf); | |
3071 if (mconf == NULL) { | |
3072 return NGX_CONF_ERROR; | |
3073 } | |
3074 | |
3075 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
3076 } | |
3077 | |
651 | 3078 if (module->create_loc_conf) { |
3079 mconf = module->create_loc_conf(cf); | |
3080 if (mconf == NULL) { | |
3081 return NGX_CONF_ERROR; | |
3082 } | |
3083 | |
3084 ctx->loc_conf[ngx_modules[m]->ctx_index] = mconf; | |
3085 } | |
3086 } | |
3087 | |
3088 | |
3089 /* parse inside upstream{} */ | |
3090 | |
3091 pcf = *cf; | |
3092 cf->ctx = ctx; | |
3093 cf->cmd_type = NGX_HTTP_UPS_CONF; | |
3094 | |
3095 rv = ngx_conf_parse(cf, NULL); | |
3096 | |
3097 *cf = pcf; | |
3098 | |
3099 if (rv != NGX_CONF_OK) { | |
3100 return rv; | |
3101 } | |
3102 | |
3103 if (uscf->servers == NULL) { | |
3104 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3105 "no servers are inside upstream"); | |
3106 return NGX_CONF_ERROR; | |
3107 } | |
3108 | |
3109 return rv; | |
3110 } | |
3111 | |
3112 | |
3113 static char * | |
3114 ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
3115 { | |
3116 ngx_http_upstream_srv_conf_t *uscf = conf; | |
3117 | |
884 | 3118 time_t fail_timeout; |
3119 ngx_str_t *value, s; | |
3120 ngx_url_t u; | |
3121 ngx_int_t weight, max_fails; | |
3122 ngx_uint_t i; | |
3123 ngx_http_upstream_server_t *us; | |
651 | 3124 |
3125 if (uscf->servers == NULL) { | |
884 | 3126 uscf->servers = ngx_array_create(cf->pool, 4, |
3127 sizeof(ngx_http_upstream_server_t)); | |
651 | 3128 if (uscf->servers == NULL) { |
3129 return NGX_CONF_ERROR; | |
3130 } | |
3131 } | |
3132 | |
884 | 3133 us = ngx_array_push(uscf->servers); |
3134 if (us == NULL) { | |
651 | 3135 return NGX_CONF_ERROR; |
3136 } | |
3137 | |
884 | 3138 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); |
3139 | |
651 | 3140 value = cf->args->elts; |
3141 | |
3142 ngx_memzero(&u, sizeof(ngx_url_t)); | |
3143 | |
3144 u.url = value[1]; | |
906 | 3145 u.default_port = 80; |
651 | 3146 |
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3147 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
651 | 3148 if (u.err) { |
3149 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3150 "%s in upstream \"%V\"", u.err, &u.url); | |
3151 } | |
3152 | |
3153 return NGX_CONF_ERROR; | |
3154 } | |
3155 | |
663 | 3156 weight = 1; |
884 | 3157 max_fails = 1; |
3158 fail_timeout = 10; | |
3159 | |
3160 for (i = 2; i < cf->args->nelts; i++) { | |
3161 | |
3162 if (ngx_strncmp(value[i].data, "weight=", 7) == 0) { | |
3163 | |
3164 if (!(uscf->flags & NGX_HTTP_UPSTREAM_WEIGHT)) { | |
3165 goto invalid; | |
3166 } | |
3167 | |
3168 weight = ngx_atoi(&value[i].data[7], value[i].len - 7); | |
663 | 3169 |
3170 if (weight == NGX_ERROR || weight == 0) { | |
3171 goto invalid; | |
3172 } | |
3173 | |
884 | 3174 continue; |
3175 } | |
3176 | |
3177 if (ngx_strncmp(value[i].data, "max_fails=", 10) == 0) { | |
3178 | |
3179 if (!(uscf->flags & NGX_HTTP_UPSTREAM_MAX_FAILS)) { | |
3180 goto invalid; | |
3181 } | |
3182 | |
3183 max_fails = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
3184 | |
3185 if (max_fails == NGX_ERROR) { | |
3186 goto invalid; | |
3187 } | |
3188 | |
3189 continue; | |
663 | 3190 } |
884 | 3191 |
3192 if (ngx_strncmp(value[i].data, "fail_timeout=", 13) == 0) { | |
3193 | |
3194 if (!(uscf->flags & NGX_HTTP_UPSTREAM_FAIL_TIMEOUT)) { | |
3195 goto invalid; | |
3196 } | |
3197 | |
3198 s.len = value[i].len - 13; | |
3199 s.data = &value[i].data[13]; | |
3200 | |
3201 fail_timeout = ngx_parse_time(&s, 1); | |
3202 | |
3203 if (fail_timeout < 0) { | |
3204 goto invalid; | |
3205 } | |
3206 | |
3207 continue; | |
3208 } | |
3209 | |
1378 | 3210 if (ngx_strncmp(value[i].data, "backup", 6) == 0) { |
3211 | |
3212 if (!(uscf->flags & NGX_HTTP_UPSTREAM_BACKUP)) { | |
3213 goto invalid; | |
3214 } | |
3215 | |
3216 us->backup = 1; | |
3217 | |
3218 continue; | |
3219 } | |
3220 | |
884 | 3221 if (ngx_strncmp(value[i].data, "down", 4) == 0) { |
3222 | |
3223 if (!(uscf->flags & NGX_HTTP_UPSTREAM_DOWN)) { | |
3224 goto invalid; | |
3225 } | |
3226 | |
3227 us->down = 1; | |
3228 | |
3229 continue; | |
3230 } | |
3231 | |
3232 goto invalid; | |
663 | 3233 } |
3234 | |
884 | 3235 us->addrs = u.addrs; |
3236 us->naddrs = u.naddrs; | |
3237 us->weight = weight; | |
3238 us->max_fails = max_fails; | |
3239 us->fail_timeout = fail_timeout; | |
651 | 3240 |
3241 return NGX_CONF_OK; | |
663 | 3242 |
3243 invalid: | |
3244 | |
884 | 3245 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3246 "invalid parameter \"%V\"", &value[i]); | |
663 | 3247 |
3248 return NGX_CONF_ERROR; | |
651 | 3249 } |
3250 | |
3251 | |
3252 ngx_http_upstream_srv_conf_t * | |
884 | 3253 ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags) |
651 | 3254 { |
3255 ngx_uint_t i; | |
884 | 3256 ngx_http_upstream_server_t *us; |
651 | 3257 ngx_http_upstream_srv_conf_t *uscf, **uscfp; |
3258 ngx_http_upstream_main_conf_t *umcf; | |
3259 | |
884 | 3260 if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) { |
3261 | |
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3262 if (ngx_parse_url(cf->pool, u) != NGX_OK) { |
651 | 3263 if (u->err) { |
3264 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3265 "%s in upstream \"%V\"", u->err, &u->url); | |
3266 } | |
3267 | |
3268 return NULL; | |
3269 } | |
3270 } | |
3271 | |
3272 umcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_upstream_module); | |
3273 | |
3274 uscfp = umcf->upstreams.elts; | |
3275 | |
3276 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
906 | 3277 |
3278 if (uscfp[i]->host.len != u->host.len | |
884 | 3279 || ngx_strncasecmp(uscfp[i]->host.data, u->host.data, u->host.len) |
3280 != 0) | |
3281 { | |
651 | 3282 continue; |
3283 } | |
3284 | |
884 | 3285 if ((flags & NGX_HTTP_UPSTREAM_CREATE) |
3286 && (uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE)) | |
651 | 3287 { |
884 | 3288 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3289 "duplicate upstream \"%V\"", &u->host); | |
3290 return NULL; | |
651 | 3291 } |
884 | 3292 |
906 | 3293 if ((uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE) && u->port) { |
884 | 3294 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
906 | 3295 "upstream \"%V\" may not have port %d", |
3296 &u->host, u->port); | |
3297 return NULL; | |
3298 } | |
3299 | |
3300 if ((flags & NGX_HTTP_UPSTREAM_CREATE) && uscfp[i]->port) { | |
3301 ngx_log_error(NGX_LOG_WARN, cf->log, 0, | |
3302 "upstream \"%V\" may not have port %d in %s:%ui", | |
3303 &u->host, uscfp[i]->port, | |
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3304 uscfp[i]->file_name, uscfp[i]->line); |
906 | 3305 return NULL; |
3306 } | |
3307 | |
3308 if (uscfp[i]->port != u->port) { | |
3309 continue; | |
884 | 3310 } |
3311 | |
1340 | 3312 if (uscfp[i]->default_port && u->default_port |
3313 && uscfp[i]->default_port != u->default_port) | |
3314 { | |
3315 continue; | |
3316 } | |
3317 | |
884 | 3318 return uscfp[i]; |
651 | 3319 } |
3320 | |
3321 uscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_srv_conf_t)); | |
3322 if (uscf == NULL) { | |
3323 return NULL; | |
3324 } | |
3325 | |
884 | 3326 uscf->flags = flags; |
651 | 3327 uscf->host = u->host; |
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3328 uscf->file_name = cf->conf_file->file.name.data; |
651 | 3329 uscf->line = cf->conf_file->line; |
906 | 3330 uscf->port = u->port; |
3331 uscf->default_port = u->default_port; | |
884 | 3332 |
3333 if (u->naddrs == 1) { | |
3334 uscf->servers = ngx_array_create(cf->pool, 1, | |
3335 sizeof(ngx_http_upstream_server_t)); | |
3336 if (uscf->servers == NULL) { | |
3337 return NGX_CONF_ERROR; | |
3338 } | |
3339 | |
3340 us = ngx_array_push(uscf->servers); | |
3341 if (us == NULL) { | |
3342 return NGX_CONF_ERROR; | |
3343 } | |
3344 | |
3345 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); | |
3346 | |
3347 us->addrs = u->addrs; | |
3348 us->naddrs = u->naddrs; | |
3349 } | |
651 | 3350 |
3351 uscfp = ngx_array_push(&umcf->upstreams); | |
3352 if (uscfp == NULL) { | |
3353 return NULL; | |
3354 } | |
3355 | |
3356 *uscfp = uscf; | |
3357 | |
3358 return uscf; | |
3359 } | |
3360 | |
3361 | |
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3362 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
|
3363 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
|
3364 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
|
3365 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
|
3366 { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3367 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
|
3368 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
|
3369 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
|
3370 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
|
3371 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3372 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
|
3373 && 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
|
3374 { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3375 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
|
3376 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3377 if (conf->hide_headers_hash.buckets) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3378 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
|
3379 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3380 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3381 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
|
3382 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
|
3383 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3384 } else { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3385 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
|
3386 conf->hide_headers = prev->hide_headers; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3387 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3388 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3389 if (conf->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
|
3390 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
|
3391 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3392 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3393 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3394 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
|
3395 != NGX_OK) |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3396 { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3397 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
|
3398 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3399 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3400 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
|
3401 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
|
3402 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
|
3403 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
|
3404 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3405 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3406 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
|
3407 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
|
3408 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
|
3409 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3410 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3411 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
|
3412 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3413 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
|
3414 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3415 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
|
3416 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3417 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
|
3418 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3419 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
|
3420 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
|
3421 goto exist; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3422 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3423 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3424 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3425 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
|
3426 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
|
3427 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
|
3428 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3429 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3430 hk->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
|
3431 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
|
3432 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
|
3433 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3434 exist: |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3435 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3436 continue; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3437 } |
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 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3440 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
|
3441 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3442 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
|
3443 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
|
3444 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3445 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
|
3446 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
|
3447 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3448 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
|
3449 continue; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3450 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3451 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3452 if (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
|
3453 hk[j].key.data = NULL; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3454 break; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3455 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3456 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3457 } |
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 hash->hash = &conf->hide_headers_hash; |
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3461 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
|
3462 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
|
3463 hash->temp_pool = NULL; |
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3464 |
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3465 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
|
3466 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3467 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3468 |
509 | 3469 static void * |
3470 ngx_http_upstream_create_main_conf(ngx_conf_t *cf) | |
3471 { | |
3472 ngx_http_upstream_main_conf_t *umcf; | |
3473 | |
3474 umcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_main_conf_t)); | |
3475 if (umcf == NULL) { | |
3476 return NULL; | |
3477 } | |
3478 | |
651 | 3479 if (ngx_array_init(&umcf->upstreams, cf->pool, 4, |
3480 sizeof(ngx_http_upstream_srv_conf_t *)) | |
3481 != NGX_OK) | |
3482 { | |
3483 return NGX_CONF_ERROR; | |
3484 } | |
3485 | |
509 | 3486 return umcf; |
3487 } | |
3488 | |
3489 | |
3490 static char * | |
651 | 3491 ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf) |
509 | 3492 { |
3493 ngx_http_upstream_main_conf_t *umcf = conf; | |
3494 | |
651 | 3495 ngx_uint_t i; |
3496 ngx_array_t headers_in; | |
3497 ngx_hash_key_t *hk; | |
3498 ngx_hash_init_t hash; | |
884 | 3499 ngx_http_upstream_init_pt init; |
651 | 3500 ngx_http_upstream_header_t *header; |
3501 ngx_http_upstream_srv_conf_t **uscfp; | |
3502 | |
3503 uscfp = umcf->upstreams.elts; | |
3504 | |
3505 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
884 | 3506 |
3507 init = uscfp[i]->peer.init_upstream ? uscfp[i]->peer.init_upstream: | |
3508 ngx_http_upstream_init_round_robin; | |
3509 | |
3510 if (init(cf, uscfp[i]) != NGX_OK) { | |
651 | 3511 return NGX_CONF_ERROR; |
3512 } | |
3513 } | |
649 | 3514 |
663 | 3515 |
884 | 3516 /* upstream_headers_in_hash */ |
3517 | |
649 | 3518 if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) |
3519 != NGX_OK) | |
509 | 3520 { |
3521 return NGX_CONF_ERROR; | |
3522 } | |
3523 | |
649 | 3524 for (header = ngx_http_upstream_headers_in; header->name.len; header++) { |
3525 hk = ngx_array_push(&headers_in); | |
3526 if (hk == NULL) { | |
3527 return NGX_CONF_ERROR; | |
3528 } | |
3529 | |
3530 hk->key = header->name; | |
3531 hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len); | |
3532 hk->value = header; | |
3533 } | |
3534 | |
3535 hash.hash = &umcf->headers_in_hash; | |
3536 hash.key = ngx_hash_key_lc; | |
3537 hash.max_size = 512; | |
751
bae59a740c40
align hash bucket size to cache line
Igor Sysoev <igor@sysoev.ru>
parents:
750
diff
changeset
|
3538 hash.bucket_size = ngx_align(64, ngx_cacheline_size); |
649 | 3539 hash.name = "upstream_headers_in_hash"; |
3540 hash.pool = cf->pool; | |
3541 hash.temp_pool = NULL; | |
3542 | |
3543 if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) { | |
3544 return NGX_CONF_ERROR; | |
3545 } | |
509 | 3546 |
3547 return NGX_CONF_OK; | |
3548 } |