Mercurial > hg > nginx-quic
annotate src/http/ngx_http_upstream.c @ 1992:ee49a83b6de2 stable-0.5
r1886 merge:
test response length in proxy/fastcgi_store
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Sun, 04 May 2008 10:04:21 +0000 |
parents | c7757ce0ae97 |
children | f3205008c55a |
rev | line source |
---|---|
479 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_http.h> | |
10 | |
11 | |
509 | 12 static void ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r); |
13 static void ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r); | |
14 static void ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
15 ngx_event_t *ev); | |
479 | 16 static void ngx_http_upstream_connect(ngx_http_request_t *r, |
487 | 17 ngx_http_upstream_t *u); |
509 | 18 static ngx_int_t ngx_http_upstream_reinit(ngx_http_request_t *r, |
487 | 19 ngx_http_upstream_t *u); |
479 | 20 static void ngx_http_upstream_send_request(ngx_http_request_t *r, |
487 | 21 ngx_http_upstream_t *u); |
479 | 22 static void ngx_http_upstream_send_request_handler(ngx_event_t *wev); |
23 static void ngx_http_upstream_process_header(ngx_event_t *rev); | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
24 static ngx_int_t ngx_http_upstream_test_connect(ngx_connection_t *c); |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
25 static void ngx_http_upstream_process_body_in_memory(ngx_event_t *rev); |
479 | 26 static void ngx_http_upstream_send_response(ngx_http_request_t *r, |
487 | 27 ngx_http_upstream_t *u); |
581 | 28 static void |
29 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r); | |
30 static void ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev); | |
31 static ngx_int_t ngx_http_upstream_non_buffered_filter_init(void *data); | |
32 static ngx_int_t ngx_http_upstream_non_buffered_filter(void *data, | |
33 ssize_t bytes); | |
509 | 34 static void ngx_http_upstream_process_downstream(ngx_http_request_t *r); |
479 | 35 static void ngx_http_upstream_process_body(ngx_event_t *ev); |
1381 | 36 static void ngx_http_upstream_store(ngx_http_request_t *r, |
37 ngx_http_upstream_t *u); | |
479 | 38 static void ngx_http_upstream_dummy_handler(ngx_event_t *wev); |
39 static void ngx_http_upstream_next(ngx_http_request_t *r, | |
487 | 40 ngx_http_upstream_t *u, ngx_uint_t ft_type); |
569 | 41 static void ngx_http_upstream_cleanup(void *data); |
479 | 42 static void ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
487 | 43 ngx_http_upstream_t *u, ngx_int_t rc); |
479 | 44 |
509 | 45 static ngx_int_t ngx_http_upstream_process_header_line(ngx_http_request_t *r, |
46 ngx_table_elt_t *h, ngx_uint_t offset); | |
47 static ngx_int_t | |
48 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
49 ngx_table_elt_t *h, ngx_uint_t offset); | |
50 static ngx_int_t ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, | |
51 ngx_table_elt_t *h, ngx_uint_t offset); | |
527 | 52 static ngx_int_t ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, |
53 ngx_table_elt_t *h, ngx_uint_t offset); | |
649 | 54 static ngx_int_t ngx_http_upstream_process_buffering(ngx_http_request_t *r, |
509 | 55 ngx_table_elt_t *h, ngx_uint_t offset); |
657 | 56 static ngx_int_t ngx_http_upstream_process_charset(ngx_http_request_t *r, |
57 ngx_table_elt_t *h, ngx_uint_t offset); | |
649 | 58 static ngx_int_t ngx_http_upstream_copy_header_line(ngx_http_request_t *r, |
509 | 59 ngx_table_elt_t *h, ngx_uint_t offset); |
60 static ngx_int_t | |
61 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
62 ngx_table_elt_t *h, ngx_uint_t offset); | |
63 static ngx_int_t ngx_http_upstream_copy_content_type(ngx_http_request_t *r, | |
64 ngx_table_elt_t *h, ngx_uint_t offset); | |
65 static ngx_int_t ngx_http_upstream_copy_content_length(ngx_http_request_t *r, | |
66 ngx_table_elt_t *h, ngx_uint_t offset); | |
67 static ngx_int_t ngx_http_upstream_rewrite_location(ngx_http_request_t *r, | |
68 ngx_table_elt_t *h, ngx_uint_t offset); | |
69 static ngx_int_t ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, | |
70 ngx_table_elt_t *h, ngx_uint_t offset); | |
71 #if (NGX_HTTP_GZIP) | |
72 static ngx_int_t ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
73 ngx_table_elt_t *h, ngx_uint_t offset); | |
74 #endif | |
75 | |
573 | 76 static ngx_int_t ngx_http_upstream_add_variables(ngx_conf_t *cf); |
1181 | 77 static ngx_int_t ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
78 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 79 static ngx_int_t ngx_http_upstream_status_variable(ngx_http_request_t *r, |
80 ngx_http_variable_value_t *v, uintptr_t data); | |
81 static ngx_int_t ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
82 ngx_http_variable_value_t *v, uintptr_t data); | |
83 | |
651 | 84 static char *ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy); |
85 static char *ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
86 void *conf); | |
87 | |
509 | 88 static void *ngx_http_upstream_create_main_conf(ngx_conf_t *cf); |
651 | 89 static char *ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf); |
509 | 90 |
577 | 91 #if (NGX_HTTP_SSL) |
591 | 92 static void ngx_http_upstream_ssl_init_connection(ngx_http_request_t *, |
93 ngx_http_upstream_t *u, ngx_connection_t *c); | |
577 | 94 static void ngx_http_upstream_ssl_handshake(ngx_connection_t *c); |
95 #endif | |
96 | |
509 | 97 |
98 ngx_http_upstream_header_t ngx_http_upstream_headers_in[] = { | |
99 | |
100 { ngx_string("Status"), | |
101 ngx_http_upstream_process_header_line, | |
102 offsetof(ngx_http_upstream_headers_in_t, status), | |
649 | 103 ngx_http_upstream_copy_header_line, 0, 0 }, |
509 | 104 |
105 { ngx_string("Content-Type"), | |
106 ngx_http_upstream_process_header_line, | |
107 offsetof(ngx_http_upstream_headers_in_t, content_type), | |
673 | 108 ngx_http_upstream_copy_content_type, 0, 1 }, |
509 | 109 |
110 { ngx_string("Content-Length"), | |
111 ngx_http_upstream_process_header_line, | |
112 offsetof(ngx_http_upstream_headers_in_t, content_length), | |
515 | 113 ngx_http_upstream_copy_content_length, 0, 0 }, |
509 | 114 |
115 { ngx_string("Date"), | |
116 ngx_http_upstream_process_header_line, | |
117 offsetof(ngx_http_upstream_headers_in_t, date), | |
649 | 118 ngx_http_upstream_copy_header_line, |
119 offsetof(ngx_http_headers_out_t, date), 0 }, | |
509 | 120 |
1381 | 121 { ngx_string("Last-Modified"), |
122 ngx_http_upstream_process_header_line, | |
123 offsetof(ngx_http_upstream_headers_in_t, last_modified), | |
124 ngx_http_upstream_copy_header_line, | |
125 offsetof(ngx_http_headers_out_t, last_modified), 0 }, | |
126 | |
509 | 127 { ngx_string("Server"), |
128 ngx_http_upstream_process_header_line, | |
129 offsetof(ngx_http_upstream_headers_in_t, server), | |
649 | 130 ngx_http_upstream_copy_header_line, |
131 offsetof(ngx_http_headers_out_t, server), 0 }, | |
509 | 132 |
529 | 133 { ngx_string("WWW-Authenticate"), |
134 ngx_http_upstream_process_header_line, | |
135 offsetof(ngx_http_upstream_headers_in_t, www_authenticate), | |
136 ngx_http_upstream_copy_header_line, 0, 0 }, | |
137 | |
509 | 138 { ngx_string("Location"), |
139 ngx_http_upstream_ignore_header_line, 0, | |
515 | 140 ngx_http_upstream_rewrite_location, 0, 0 }, |
509 | 141 |
142 { ngx_string("Refresh"), | |
143 ngx_http_upstream_ignore_header_line, 0, | |
515 | 144 ngx_http_upstream_rewrite_refresh, 0, 0 }, |
145 | |
146 { ngx_string("Set-Cookie"), | |
147 ngx_http_upstream_ignore_header_line, 0, | |
531 | 148 ngx_http_upstream_copy_header_line, 0, 1 }, |
149 | |
150 { ngx_string("Content-Disposition"), | |
151 ngx_http_upstream_ignore_header_line, 0, | |
152 ngx_http_upstream_copy_header_line, 0, 1 }, | |
509 | 153 |
154 { ngx_string("Cache-Control"), | |
155 ngx_http_upstream_process_multi_header_lines, | |
156 offsetof(ngx_http_upstream_headers_in_t, cache_control), | |
157 ngx_http_upstream_copy_multi_header_lines, | |
515 | 158 offsetof(ngx_http_headers_out_t, cache_control), 1 }, |
509 | 159 |
573 | 160 { ngx_string("Expires"), |
161 ngx_http_upstream_process_header_line, | |
162 offsetof(ngx_http_upstream_headers_in_t, expires), | |
163 ngx_http_upstream_copy_header_line, | |
164 offsetof(ngx_http_headers_out_t, expires), 1 }, | |
165 | |
577 | 166 { ngx_string("Accept-Ranges"), |
167 ngx_http_upstream_process_header_line, | |
168 offsetof(ngx_http_upstream_headers_in_t, accept_ranges), | |
169 ngx_http_upstream_copy_header_line, | |
170 offsetof(ngx_http_headers_out_t, accept_ranges), 1 }, | |
171 | |
509 | 172 { ngx_string("Connection"), |
173 ngx_http_upstream_ignore_header_line, 0, | |
515 | 174 ngx_http_upstream_ignore_header_line, 0, 0 }, |
509 | 175 |
641 | 176 { ngx_string("Keep-Alive"), |
177 ngx_http_upstream_ignore_header_line, 0, | |
178 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
179 | |
509 | 180 { ngx_string("X-Powered-By"), |
181 ngx_http_upstream_ignore_header_line, 0, | |
649 | 182 ngx_http_upstream_copy_header_line, 0, 0 }, |
509 | 183 |
184 { ngx_string("X-Accel-Expires"), | |
185 ngx_http_upstream_process_header_line, | |
186 offsetof(ngx_http_upstream_headers_in_t, x_accel_expires), | |
649 | 187 ngx_http_upstream_copy_header_line, 0, 0 }, |
515 | 188 |
189 { ngx_string("X-Accel-Redirect"), | |
190 ngx_http_upstream_process_header_line, | |
191 offsetof(ngx_http_upstream_headers_in_t, x_accel_redirect), | |
192 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
509 | 193 |
527 | 194 { ngx_string("X-Accel-Limit-Rate"), |
195 ngx_http_upstream_process_limit_rate, 0, | |
196 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
197 | |
649 | 198 { ngx_string("X-Accel-Buffering"), |
199 ngx_http_upstream_process_buffering, 0, | |
200 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
201 | |
657 | 202 { ngx_string("X-Accel-Charset"), |
203 ngx_http_upstream_process_charset, 0, | |
204 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
205 | |
509 | 206 #if (NGX_HTTP_GZIP) |
207 { ngx_string("Content-Encoding"), | |
208 ngx_http_upstream_process_header_line, | |
209 offsetof(ngx_http_upstream_headers_in_t, content_encoding), | |
515 | 210 ngx_http_upstream_copy_content_encoding, 0, 0 }, |
509 | 211 #endif |
212 | |
515 | 213 { ngx_null_string, NULL, 0, NULL, 0, 0 } |
509 | 214 }; |
479 | 215 |
216 | |
651 | 217 static ngx_command_t ngx_http_upstream_commands[] = { |
218 | |
219 { ngx_string("upstream"), | |
220 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1, | |
221 ngx_http_upstream, | |
222 0, | |
223 0, | |
224 NULL }, | |
225 | |
226 { ngx_string("server"), | |
884 | 227 NGX_HTTP_UPS_CONF|NGX_CONF_1MORE, |
651 | 228 ngx_http_upstream_server, |
229 NGX_HTTP_SRV_CONF_OFFSET, | |
230 0, | |
231 NULL }, | |
232 | |
233 ngx_null_command | |
234 }; | |
235 | |
236 | |
237 static ngx_http_module_t ngx_http_upstream_module_ctx = { | |
573 | 238 ngx_http_upstream_add_variables, /* preconfiguration */ |
509 | 239 NULL, /* postconfiguration */ |
240 | |
241 ngx_http_upstream_create_main_conf, /* create main configuration */ | |
651 | 242 ngx_http_upstream_init_main_conf, /* init main configuration */ |
479 | 243 |
244 NULL, /* create server configuration */ | |
245 NULL, /* merge server configuration */ | |
246 | |
247 NULL, /* create location configuration */ | |
248 NULL /* merge location configuration */ | |
249 }; | |
577 | 250 |
479 | 251 |
252 ngx_module_t ngx_http_upstream_module = { | |
509 | 253 NGX_MODULE_V1, |
479 | 254 &ngx_http_upstream_module_ctx, /* module context */ |
651 | 255 ngx_http_upstream_commands, /* module directives */ |
479 | 256 NGX_HTTP_MODULE, /* module type */ |
541 | 257 NULL, /* init master */ |
479 | 258 NULL, /* init module */ |
541 | 259 NULL, /* init process */ |
260 NULL, /* init thread */ | |
261 NULL, /* exit thread */ | |
262 NULL, /* exit process */ | |
263 NULL, /* exit master */ | |
264 NGX_MODULE_V1_PADDING | |
479 | 265 }; |
266 | |
267 | |
573 | 268 static ngx_http_variable_t ngx_http_upstream_vars[] = { |
269 | |
1181 | 270 { ngx_string("upstream_addr"), NULL, |
271 ngx_http_upstream_addr_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, | |
272 | |
637 | 273 { ngx_string("upstream_status"), NULL, |
583 | 274 ngx_http_upstream_status_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
573 | 275 |
637 | 276 { ngx_string("upstream_response_time"), NULL, |
583 | 277 ngx_http_upstream_response_time_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
573 | 278 |
637 | 279 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
573 | 280 }; |
281 | |
282 | |
487 | 283 void |
284 ngx_http_upstream_init(ngx_http_request_t *r) | |
479 | 285 { |
509 | 286 ngx_connection_t *c; |
569 | 287 ngx_http_cleanup_t *cln; |
509 | 288 ngx_http_upstream_t *u; |
289 ngx_http_core_loc_conf_t *clcf; | |
479 | 290 |
291 c = r->connection; | |
292 | |
293 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
294 "http init upstream, client timer: %d", c->read->timer_set); | |
295 | |
296 if (c->read->timer_set) { | |
297 ngx_del_timer(c->read); | |
298 } | |
299 | |
629 | 300 u = r->upstream; |
301 | |
302 if (!r->post_action && !u->conf->ignore_client_abort) { | |
615 | 303 r->read_event_handler = ngx_http_upstream_rd_check_broken_connection; |
304 r->write_event_handler = ngx_http_upstream_wr_check_broken_connection; | |
305 } | |
577 | 306 |
479 | 307 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { |
308 | |
309 if (!c->write->active) { | |
531 | 310 if (ngx_add_event(c->write, NGX_WRITE_EVENT, NGX_CLEAR_EVENT) |
311 == NGX_ERROR) | |
479 | 312 { |
313 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
314 return; | |
315 } | |
316 } | |
317 } | |
318 | |
537 | 319 if (r->request_body) { |
320 u->request_bufs = r->request_body->bufs; | |
321 } | |
509 | 322 |
884 | 323 if (u->conf->upstream->peer.init(r, u->conf->upstream) != NGX_OK) { |
324 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
325 return; | |
326 } | |
327 | |
537 | 328 if (u->create_request(r) != NGX_OK) { |
479 | 329 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
330 return; | |
331 } | |
332 | |
509 | 333 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
479 | 334 |
335 u->output.sendfile = r->connection->sendfile; | |
336 u->output.pool = r->pool; | |
337 u->output.bufs.num = 1; | |
509 | 338 u->output.bufs.size = clcf->client_body_buffer_size; |
479 | 339 u->output.output_filter = ngx_chain_writer; |
340 u->output.filter_ctx = &u->writer; | |
341 | |
342 u->writer.pool = r->pool; | |
343 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
344 if (r->upstream_states == NULL) { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
345 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
346 r->upstream_states = ngx_array_create(r->pool, 1, |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
347 sizeof(ngx_http_upstream_state_t)); |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
348 if (r->upstream_states == NULL) { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
349 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
350 return; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
351 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
352 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
353 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
354 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
355 u->state = ngx_array_push(r->upstream_states); |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
356 if (u->state == NULL) { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
357 ngx_http_upstream_finalize_request(r, u, |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
358 NGX_HTTP_INTERNAL_SERVER_ERROR); |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
359 return; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
360 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
361 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
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 | |
1381 | 375 u->store = (u->conf->store || u->conf->store_lengths); |
376 | |
479 | 377 ngx_http_upstream_connect(r, u); |
378 } | |
379 | |
380 | |
487 | 381 static void |
509 | 382 ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r) |
383 { | |
384 ngx_http_upstream_check_broken_connection(r, r->connection->read); | |
385 } | |
386 | |
387 | |
388 static void | |
389 ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r) | |
390 { | |
391 ngx_http_upstream_check_broken_connection(r, r->connection->write); | |
392 } | |
393 | |
394 | |
395 static void | |
396 ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
397 ngx_event_t *ev) | |
479 | 398 { |
399 int n; | |
400 char buf[1]; | |
577 | 401 ngx_err_t err; |
479 | 402 ngx_connection_t *c; |
403 ngx_http_upstream_t *u; | |
404 | |
527 | 405 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
406 "http upstream check client, write event:%d, \"%V\"", | |
407 ev->write, &r->uri); | |
479 | 408 |
509 | 409 c = r->connection; |
483 | 410 u = r->upstream; |
411 | |
583 | 412 if (c->error) { |
527 | 413 ngx_http_upstream_finalize_request(r, u, |
414 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
415 return; | |
416 } | |
417 | |
483 | 418 if (u->peer.connection == NULL) { |
419 return; | |
420 } | |
421 | |
479 | 422 #if (NGX_HAVE_KQUEUE) |
423 | |
424 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
425 | |
426 if (!ev->pending_eof) { | |
427 return; | |
428 } | |
429 | |
430 ev->eof = 1; | |
583 | 431 c->error = 1; |
479 | 432 |
433 if (ev->kq_errno) { | |
434 ev->error = 1; | |
435 } | |
436 | |
1714 | 437 if (!u->cacheable && !u->store && u->peer.connection) { |
479 | 438 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, |
527 | 439 "kevent() reported that client closed prematurely " |
440 "connection, so upstream connection is closed too"); | |
479 | 441 ngx_http_upstream_finalize_request(r, u, |
442 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
443 return; | |
444 } | |
445 | |
446 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, | |
447 "kevent() reported that client closed " | |
448 "prematurely connection"); | |
449 | |
450 if (u->peer.connection == NULL) { | |
451 ngx_http_upstream_finalize_request(r, u, | |
452 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
453 return; | |
454 } | |
455 | |
456 return; | |
457 } | |
458 | |
459 #endif | |
460 | |
461 n = recv(c->fd, buf, 1, MSG_PEEK); | |
462 | |
463 err = ngx_socket_errno; | |
464 | |
1109 | 465 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, err, |
466 "http upstream recv(): %d", n); | |
467 | |
479 | 468 /* |
469 * we do not need to disable the write event because | |
470 * that event has NGX_USE_CLEAR_EVENT type | |
471 */ | |
472 | |
473 if (ev->write && (n >= 0 || err == NGX_EAGAIN)) { | |
474 return; | |
475 } | |
476 | |
477 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { | |
478 if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { | |
479 ngx_http_upstream_finalize_request(r, u, | |
480 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
481 return; | |
482 } | |
483 } | |
484 | |
485 if (n > 0) { | |
486 return; | |
487 } | |
488 | |
489 if (n == -1) { | |
490 if (err == NGX_EAGAIN) { | |
491 return; | |
492 } | |
493 | |
494 ev->error = 1; | |
495 | |
483 | 496 } else { /* n == 0 */ |
479 | 497 err = 0; |
498 } | |
499 | |
529 | 500 ev->eof = 1; |
583 | 501 c->error = 1; |
529 | 502 |
1714 | 503 if (!u->cacheable && !u->store && u->peer.connection) { |
479 | 504 ngx_log_error(NGX_LOG_INFO, ev->log, err, |
505 "client closed prematurely connection, " | |
506 "so upstream connection is closed too"); | |
507 ngx_http_upstream_finalize_request(r, u, | |
508 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
509 return; | |
510 } | |
511 | |
512 ngx_log_error(NGX_LOG_INFO, ev->log, err, | |
513 "client closed prematurely connection"); | |
514 | |
515 if (u->peer.connection == NULL) { | |
516 ngx_http_upstream_finalize_request(r, u, | |
517 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
518 return; | |
519 } | |
520 } | |
521 | |
522 | |
487 | 523 static void |
524 ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
479 | 525 { |
591 | 526 ngx_int_t rc; |
665 | 527 ngx_time_t *tp; |
591 | 528 ngx_connection_t *c; |
479 | 529 |
483 | 530 r->connection->log->action = "connecting to upstream"; |
479 | 531 |
532 r->connection->single_connection = 0; | |
533 | |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
534 if (u->state && u->state->response_sec) { |
665 | 535 tp = ngx_timeofday(); |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
536 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
|
537 u->state->response_msec = tp->msec - u->state->response_msec; |
665 | 538 } |
539 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
540 u->state = ngx_array_push(r->upstream_states); |
665 | 541 if (u->state == NULL) { |
542 ngx_http_upstream_finalize_request(r, u, | |
543 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
544 return; | |
545 } | |
546 | |
547 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); | |
548 | |
549 tp = ngx_timeofday(); | |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
550 u->state->response_sec = tp->sec; |
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
551 u->state->response_msec = tp->msec; |
665 | 552 |
479 | 553 rc = ngx_event_connect_peer(&u->peer); |
554 | |
555 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
556 "http upstream connect: %i", rc); | |
557 | |
558 if (rc == NGX_ERROR) { | |
559 ngx_http_upstream_finalize_request(r, u, | |
560 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
561 return; | |
562 } | |
563 | |
884 | 564 u->state->peer = u->peer.name; |
479 | 565 |
543 | 566 if (rc == NGX_BUSY) { |
567 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no live upstreams"); | |
568 } | |
569 | |
570 if (rc == NGX_BUSY || rc == NGX_DECLINED) { | |
479 | 571 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
572 return; | |
573 } | |
574 | |
577 | 575 /* rc == NGX_OK || rc == NGX_AGAIN */ |
576 | |
479 | 577 c = u->peer.connection; |
578 | |
579 c->data = r; | |
591 | 580 |
509 | 581 c->write->handler = ngx_http_upstream_send_request_handler; |
582 c->read->handler = ngx_http_upstream_process_header; | |
479 | 583 |
1509 | 584 c->sendfile &= r->connection->sendfile; |
479 | 585 |
586 c->pool = r->pool; | |
587 c->read->log = c->write->log = c->log = r->connection->log; | |
588 | |
589 /* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */ | |
590 | |
591 u->writer.out = NULL; | |
592 u->writer.last = &u->writer.out; | |
593 u->writer.connection = c; | |
594 u->writer.limit = 0; | |
595 | |
596 if (u->request_sent) { | |
509 | 597 if (ngx_http_upstream_reinit(r, u) != NGX_OK) { |
598 ngx_http_upstream_finalize_request(r, u, | |
599 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
600 return; | |
601 } | |
479 | 602 } |
603 | |
1064
7c84c877f2d7
fix segfault when client_body_in_file_only is on, the body is not passed
Igor Sysoev <igor@sysoev.ru>
parents:
1063
diff
changeset
|
604 if (r->request_body |
7c84c877f2d7
fix segfault when client_body_in_file_only is on, the body is not passed
Igor Sysoev <igor@sysoev.ru>
parents:
1063
diff
changeset
|
605 && r->request_body->buf |
7c84c877f2d7
fix segfault when client_body_in_file_only is on, the body is not passed
Igor Sysoev <igor@sysoev.ru>
parents:
1063
diff
changeset
|
606 && r->request_body->temp_file |
7c84c877f2d7
fix segfault when client_body_in_file_only is on, the body is not passed
Igor Sysoev <igor@sysoev.ru>
parents:
1063
diff
changeset
|
607 && r == r->main) |
7c84c877f2d7
fix segfault when client_body_in_file_only is on, the body is not passed
Igor Sysoev <igor@sysoev.ru>
parents:
1063
diff
changeset
|
608 { |
573 | 609 /* |
610 * the r->request_body->buf can be reused for one request only, | |
611 * the subrequests should allocate their own temporay bufs | |
612 */ | |
613 | |
614 u->output.free = ngx_alloc_chain_link(r->pool); | |
615 if (u->output.free == NULL) { | |
616 ngx_http_upstream_finalize_request(r, u, | |
617 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
618 return; | |
479 | 619 } |
573 | 620 |
621 u->output.free->buf = r->request_body->buf; | |
622 u->output.free->next = NULL; | |
623 u->output.allocated = 1; | |
624 | |
625 r->request_body->buf->pos = r->request_body->buf->start; | |
626 r->request_body->buf->last = r->request_body->buf->start; | |
627 r->request_body->buf->tag = u->output.tag; | |
479 | 628 } |
629 | |
630 u->request_sent = 0; | |
631 | |
632 if (rc == NGX_AGAIN) { | |
633 ngx_add_timer(c->write, u->conf->connect_timeout); | |
634 return; | |
635 } | |
636 | |
577 | 637 #if (NGX_HTTP_SSL) |
638 | |
591 | 639 if (u->conf->ssl && c->ssl == NULL) { |
640 ngx_http_upstream_ssl_init_connection(r, u, c); | |
577 | 641 return; |
642 } | |
643 | |
644 #endif | |
645 | |
479 | 646 ngx_http_upstream_send_request(r, u); |
647 } | |
648 | |
649 | |
577 | 650 #if (NGX_HTTP_SSL) |
651 | |
652 static void | |
591 | 653 ngx_http_upstream_ssl_init_connection(ngx_http_request_t *r, |
654 ngx_http_upstream_t *u, ngx_connection_t *c) | |
655 { | |
884 | 656 ngx_int_t rc; |
591 | 657 |
658 if (ngx_ssl_create_connection(u->conf->ssl, c, | |
659 NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
660 == NGX_ERROR) | |
661 { | |
662 ngx_http_upstream_finalize_request(r, u, | |
663 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
664 return; | |
665 } | |
666 | |
667 c->sendfile = 0; | |
619 | 668 u->output.sendfile = 0; |
591 | 669 |
1346 | 670 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { |
591 | 671 ngx_http_upstream_finalize_request(r, u, |
672 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
673 return; | |
674 } | |
675 | |
641 | 676 r->connection->log->action = "SSL handshaking to upstream"; |
677 | |
591 | 678 rc = ngx_ssl_handshake(c); |
679 | |
680 if (rc == NGX_AGAIN) { | |
681 c->ssl->handler = ngx_http_upstream_ssl_handshake; | |
682 return; | |
683 } | |
684 | |
685 ngx_http_upstream_ssl_handshake(c); | |
686 } | |
687 | |
688 | |
689 static void | |
577 | 690 ngx_http_upstream_ssl_handshake(ngx_connection_t *c) |
691 { | |
692 ngx_http_request_t *r; | |
693 ngx_http_upstream_t *u; | |
694 | |
695 r = c->data; | |
696 u = r->upstream; | |
697 | |
698 if (c->ssl->handshaked) { | |
699 | |
884 | 700 u->peer.save_session(&u->peer, u->peer.data); |
701 | |
577 | 702 c->write->handler = ngx_http_upstream_send_request_handler; |
703 c->read->handler = ngx_http_upstream_process_header; | |
704 | |
705 ngx_http_upstream_send_request(r, u); | |
706 | |
707 return; | |
708 } | |
709 | |
710 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
711 | |
712 } | |
713 | |
714 #endif | |
715 | |
716 | |
509 | 717 static ngx_int_t |
487 | 718 ngx_http_upstream_reinit(ngx_http_request_t *r, ngx_http_upstream_t *u) |
479 | 719 { |
720 ngx_chain_t *cl; | |
721 | |
509 | 722 if (u->reinit_request(r) != NGX_OK) { |
723 return NGX_ERROR; | |
724 } | |
725 | |
726 ngx_memzero(&r->upstream->headers_in, | |
727 sizeof(ngx_http_upstream_headers_in_t)); | |
728 | |
729 if (ngx_list_init(&r->upstream->headers_in.headers, r->pool, 8, | |
591 | 730 sizeof(ngx_table_elt_t)) |
731 != NGX_OK) | |
509 | 732 { |
733 return NGX_ERROR; | |
479 | 734 } |
735 | |
736 /* reinit the request chain */ | |
577 | 737 |
509 | 738 for (cl = u->request_bufs; cl; cl = cl->next) { |
479 | 739 cl->buf->pos = cl->buf->start; |
740 cl->buf->file_pos = 0; | |
741 } | |
742 | |
509 | 743 /* reinit the subrequest's ngx_output_chain() context */ |
744 | |
573 | 745 if (r->request_body && r->request_body->temp_file |
597 | 746 && r != r->main && u->output.buf) |
573 | 747 { |
748 u->output.free = ngx_alloc_chain_link(r->pool); | |
749 if (u->output.free == NULL) { | |
750 return NGX_ERROR; | |
509 | 751 } |
573 | 752 |
753 u->output.free->buf = u->output.buf; | |
754 u->output.free->next = NULL; | |
755 | |
756 u->output.buf->pos = u->output.buf->start; | |
757 u->output.buf->last = u->output.buf->start; | |
509 | 758 } |
479 | 759 |
760 u->output.buf = NULL; | |
761 u->output.in = NULL; | |
762 u->output.busy = NULL; | |
577 | 763 |
581 | 764 /* reinit u->buffer */ |
577 | 765 |
479 | 766 #if 0 |
767 if (u->cache) { | |
581 | 768 u->buffer.pos = u->buffer.start + u->cache->ctx.header_size; |
769 u->buffer.last = u->buffer.pos; | |
479 | 770 |
771 } else { | |
581 | 772 u->buffer.pos = u->buffer.start; |
773 u->buffer.last = u->buffer.start; | |
479 | 774 } |
775 #else | |
509 | 776 |
581 | 777 u->buffer.pos = u->buffer.start; |
778 u->buffer.last = u->buffer.start; | |
509 | 779 |
479 | 780 #endif |
781 | |
509 | 782 return NGX_OK; |
479 | 783 } |
784 | |
785 | |
487 | 786 static void |
787 ngx_http_upstream_send_request(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
479 | 788 { |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
789 ngx_int_t rc; |
483 | 790 ngx_connection_t *c; |
577 | 791 |
479 | 792 c = u->peer.connection; |
793 | |
794 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
795 "http upstream send request"); | |
796 | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
797 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
1166 | 798 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
799 return; |
479 | 800 } |
801 | |
483 | 802 c->log->action = "sending request to upstream"; |
479 | 803 |
509 | 804 rc = ngx_output_chain(&u->output, u->request_sent ? NULL : u->request_bufs); |
479 | 805 |
806 u->request_sent = 1; | |
807 | |
808 if (rc == NGX_ERROR) { | |
809 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
810 return; | |
811 } | |
812 | |
813 if (c->write->timer_set) { | |
814 ngx_del_timer(c->write); | |
815 } | |
816 | |
817 if (rc == NGX_AGAIN) { | |
818 ngx_add_timer(c->write, u->conf->send_timeout); | |
819 | |
820 if (ngx_handle_write_event(c->write, u->conf->send_lowat) == NGX_ERROR) | |
821 { | |
822 ngx_http_upstream_finalize_request(r, u, | |
823 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
824 return; | |
825 } | |
826 | |
827 return; | |
828 } | |
829 | |
830 /* rc == NGX_OK */ | |
831 | |
832 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) { | |
833 if (ngx_tcp_push(c->fd) == NGX_ERROR) { | |
834 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, | |
835 ngx_tcp_push_n " failed"); | |
836 ngx_http_upstream_finalize_request(r, u, | |
837 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
577 | 838 return; |
479 | 839 } |
840 | |
841 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET; | |
842 } | |
577 | 843 |
479 | 844 ngx_add_timer(c->read, u->conf->read_timeout); |
845 | |
846 #if 1 | |
847 if (c->read->ready) { | |
577 | 848 |
479 | 849 /* post aio operation */ |
850 | |
851 /* | |
852 * TODO comment | |
853 * although we can post aio operation just in the end | |
854 * of ngx_http_upstream_connect() CHECK IT !!! | |
855 * it's better to do here because we postpone header buffer allocation | |
856 */ | |
857 | |
858 ngx_http_upstream_process_header(c->read); | |
859 return; | |
860 } | |
861 #endif | |
862 | |
509 | 863 c->write->handler = ngx_http_upstream_dummy_handler; |
479 | 864 |
509 | 865 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
479 | 866 ngx_http_upstream_finalize_request(r, u, |
867 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
868 return; | |
869 } | |
870 } | |
871 | |
872 | |
487 | 873 static void |
874 ngx_http_upstream_send_request_handler(ngx_event_t *wev) | |
479 | 875 { |
876 ngx_connection_t *c; | |
877 ngx_http_request_t *r; | |
878 ngx_http_upstream_t *u; | |
879 | |
880 c = wev->data; | |
881 r = c->data; | |
882 u = r->upstream; | |
883 | |
884 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
885 "http upstream send request handler"); | |
886 | |
887 if (wev->timedout) { | |
888 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
889 return; | |
890 } | |
891 | |
591 | 892 #if (NGX_HTTP_SSL) |
893 | |
894 if (u->conf->ssl && c->ssl == NULL) { | |
895 ngx_http_upstream_ssl_init_connection(r, u, c); | |
896 return; | |
897 } | |
898 | |
899 #endif | |
900 | |
651 | 901 if (u->header_sent) { |
902 wev->handler = ngx_http_upstream_dummy_handler; | |
903 | |
904 (void) ngx_handle_write_event(wev, 0); | |
905 | |
906 return; | |
907 } | |
908 | |
479 | 909 ngx_http_upstream_send_request(r, u); |
910 } | |
911 | |
912 | |
487 | 913 static void |
914 ngx_http_upstream_process_header(ngx_event_t *rev) | |
479 | 915 { |
515 | 916 ssize_t n; |
917 ngx_int_t rc; | |
573 | 918 ngx_str_t *uri, args; |
649 | 919 ngx_uint_t i, flags; |
515 | 920 ngx_list_part_t *part; |
921 ngx_table_elt_t *h; | |
922 ngx_connection_t *c; | |
923 ngx_http_request_t *r; | |
924 ngx_http_upstream_t *u; | |
925 ngx_http_err_page_t *err_page; | |
926 ngx_http_core_loc_conf_t *clcf; | |
927 ngx_http_upstream_header_t *hh; | |
928 ngx_http_upstream_main_conf_t *umcf; | |
479 | 929 |
930 c = rev->data; | |
931 r = c->data; | |
932 u = r->upstream; | |
933 | |
934 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, | |
483 | 935 "http upstream process header"); |
479 | 936 |
483 | 937 c->log->action = "reading response header from upstream"; |
479 | 938 |
939 if (rev->timedout) { | |
940 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
941 return; | |
942 } | |
577 | 943 |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
944 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
1166 | 945 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
946 return; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
947 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
948 |
581 | 949 if (u->buffer.start == NULL) { |
950 u->buffer.start = ngx_palloc(r->pool, u->conf->buffer_size); | |
951 if (u->buffer.start == NULL) { | |
479 | 952 ngx_http_upstream_finalize_request(r, u, |
953 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
954 return; | |
955 } | |
956 | |
581 | 957 u->buffer.pos = u->buffer.start; |
958 u->buffer.last = u->buffer.start; | |
959 u->buffer.end = u->buffer.start + u->conf->buffer_size; | |
960 u->buffer.temporary = 1; | |
961 | |
962 u->buffer.tag = u->output.tag; | |
479 | 963 |
509 | 964 if (ngx_list_init(&r->upstream->headers_in.headers, r->pool, 8, |
581 | 965 sizeof(ngx_table_elt_t)) |
966 != NGX_OK) | |
509 | 967 { |
968 ngx_http_upstream_finalize_request(r, u, | |
969 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
970 return; | |
971 } | |
972 | |
479 | 973 #if 0 |
974 if (u->cache) { | |
581 | 975 u->buffer.pos += u->cache->ctx.header_size; |
976 u->buffer.last = u->buffer.pos; | |
479 | 977 } |
978 #endif | |
979 } | |
980 | |
1709 | 981 n = c->recv(c, u->buffer.last, u->buffer.end - u->buffer.last); |
479 | 982 |
983 if (n == NGX_AGAIN) { | |
984 #if 0 | |
985 ngx_add_timer(rev, u->read_timeout); | |
986 #endif | |
987 | |
988 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
989 ngx_http_upstream_finalize_request(r, u, | |
990 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
991 return; | |
992 } | |
993 | |
994 return; | |
995 } | |
996 | |
997 if (n == 0) { | |
998 ngx_log_error(NGX_LOG_ERR, rev->log, 0, | |
999 "upstream prematurely closed connection"); | |
1000 } | |
1001 | |
1002 if (n == NGX_ERROR || n == 0) { | |
1003 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
1004 return; | |
1005 } | |
1006 | |
581 | 1007 u->buffer.last += n; |
479 | 1008 |
1009 #if 0 | |
1010 u->valid_header_in = 0; | |
1011 | |
1012 u->peer.cached = 0; | |
1013 #endif | |
1014 | |
1015 rc = u->process_header(r); | |
1016 | |
1017 if (rc == NGX_AGAIN) { | |
1018 #if 0 | |
1019 ngx_add_timer(rev, u->read_timeout); | |
1020 #endif | |
1021 | |
581 | 1022 if (u->buffer.pos == u->buffer.end) { |
479 | 1023 ngx_log_error(NGX_LOG_ERR, rev->log, 0, |
1024 "upstream sent too big header"); | |
1025 | |
1026 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
1027 return; | |
1028 } | |
1029 | |
1030 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
1031 ngx_http_upstream_finalize_request(r, u, | |
1032 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1033 return; | |
1034 } | |
1035 | |
1036 return; | |
1037 } | |
1038 | |
1039 if (rc == NGX_HTTP_UPSTREAM_INVALID_HEADER) { | |
1040 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
1041 return; | |
1042 } | |
1043 | |
1990
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
1044 if (rc == NGX_ERROR) { |
479 | 1045 ngx_http_upstream_finalize_request(r, u, |
1046 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1047 return; | |
1048 } | |
1049 | |
1050 /* rc == NGX_OK */ | |
1051 | |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1052 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1053 && r->subrequest_in_memory) |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1054 { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1055 u->buffer.last = u->buffer.pos; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1056 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1057 |
529 | 1058 if (u->headers_in.status_n == NGX_HTTP_INTERNAL_SERVER_ERROR) { |
509 | 1059 |
1060 if (u->peer.tries > 1 | |
1061 && (u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_HTTP_500)) | |
1062 { | |
1063 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_HTTP_500); | |
1064 return; | |
1065 } | |
1066 | |
1067 #if (NGX_HTTP_CACHE) | |
1068 | |
1069 if (u->peer.tries == 0 | |
1070 && u->stale | |
1071 && (u->conf->use_stale & NGX_HTTP_UPSTREAM_FT_HTTP_500)) | |
1072 { | |
1073 ngx_http_upstream_finalize_request(r, u, | |
529 | 1074 ngx_http_send_cached_response(r)); |
509 | 1075 return; |
1076 } | |
1077 | |
1078 #endif | |
1079 } | |
1080 | |
597 | 1081 if (u->headers_in.status_n == NGX_HTTP_NOT_FOUND) { |
1082 | |
1083 if (u->peer.tries > 1 | |
1084 && u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_HTTP_404) | |
1085 { | |
1086 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_HTTP_404); | |
1087 return; | |
1088 } | |
1089 | |
675 | 1090 if (u->conf->intercept_404) { |
1091 ngx_http_upstream_finalize_request(r, u, NGX_HTTP_NOT_FOUND); | |
597 | 1092 return; |
1093 } | |
509 | 1094 } |
1095 | |
1096 | |
529 | 1097 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST |
675 | 1098 && u->conf->intercept_errors) |
487 | 1099 { |
1100 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1101 | |
1102 if (clcf->error_pages) { | |
1103 | |
1104 err_page = clcf->error_pages->elts; | |
1105 for (i = 0; i < clcf->error_pages->nelts; i++) { | |
529 | 1106 if (err_page[i].status == (ngx_int_t) u->headers_in.status_n) { |
1107 | |
1108 if (u->headers_in.status_n == NGX_HTTP_UNAUTHORIZED) { | |
1109 | |
1110 r->headers_out.www_authenticate = | |
1111 ngx_list_push(&r->headers_out.headers); | |
1112 | |
1113 if (r->headers_out.www_authenticate == NULL) { | |
1114 ngx_http_upstream_finalize_request(r, u, | |
1115 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1116 return; | |
1117 } | |
1118 | |
577 | 1119 *r->headers_out.www_authenticate = |
529 | 1120 *u->headers_in.www_authenticate; |
1121 } | |
1122 | |
487 | 1123 ngx_http_upstream_finalize_request(r, u, |
529 | 1124 u->headers_in.status_n); |
487 | 1125 return; |
1126 } | |
1127 } | |
1128 } | |
1129 } | |
1130 | |
681 | 1131 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); |
1132 | |
515 | 1133 if (r->upstream->headers_in.x_accel_redirect) { |
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1134 |
515 | 1135 ngx_http_upstream_finalize_request(r, u, NGX_DECLINED); |
1136 | |
1137 part = &r->upstream->headers_in.headers.part; | |
1138 h = part->elts; | |
1139 | |
1140 for (i = 0; /* void */; i++) { | |
1141 | |
1142 if (i >= part->nelts) { | |
1143 if (part->next == NULL) { | |
1144 break; | |
1145 } | |
577 | 1146 |
515 | 1147 part = part->next; |
1148 h = part->elts; | |
1149 i = 0; | |
1150 } | |
1151 | |
649 | 1152 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, |
1153 h[i].lowcase_key, h[i].key.len); | |
1154 | |
1155 if (hh && hh->redirect) { | |
1156 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
787
b310630d129e
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
777
diff
changeset
|
1157 ngx_http_finalize_request(r, |
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1158 NGX_HTTP_INTERNAL_SERVER_ERROR); |
515 | 1159 return; |
1160 } | |
1161 } | |
1162 } | |
1163 | |
573 | 1164 uri = &r->upstream->headers_in.x_accel_redirect->value; |
1165 args.len = 0; | |
1166 args.data = NULL; | |
1167 flags = 0; | |
1168 | |
1169 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) { | |
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1170 ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); |
573 | 1171 return; |
1172 } | |
1173 | |
1174 if (flags & NGX_HTTP_ZERO_IN_URI) { | |
1175 r->zero_in_uri = 1; | |
1176 } | |
1177 | |
653 | 1178 if (r->method != NGX_HTTP_HEAD) { |
1179 r->method = NGX_HTTP_GET; | |
1180 } | |
1181 | |
573 | 1182 ngx_http_internal_redirect(r, uri, &args); |
515 | 1183 return; |
1184 } | |
1185 | |
509 | 1186 part = &r->upstream->headers_in.headers.part; |
1187 h = part->elts; | |
1188 | |
1189 for (i = 0; /* void */; i++) { | |
479 | 1190 |
509 | 1191 if (i >= part->nelts) { |
1192 if (part->next == NULL) { | |
1193 break; | |
1194 } | |
577 | 1195 |
509 | 1196 part = part->next; |
1197 h = part->elts; | |
1198 i = 0; | |
1199 } | |
1200 | |
649 | 1201 if (ngx_hash_find(&u->conf->hide_headers_hash, h[i].hash, |
1202 h[i].lowcase_key, h[i].key.len)) | |
509 | 1203 { |
649 | 1204 continue; |
1205 } | |
1206 | |
1207 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, | |
1208 h[i].lowcase_key, h[i].key.len); | |
1209 | |
1210 if (hh) { | |
1211 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
509 | 1212 ngx_http_upstream_finalize_request(r, u, |
1213 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1214 return; | |
1215 } | |
1216 | |
1217 continue; | |
1218 } | |
1219 | |
1220 if (ngx_http_upstream_copy_header_line(r, &h[i], 0) != NGX_OK) { | |
1221 ngx_http_upstream_finalize_request(r, u, | |
1222 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1223 return; | |
1224 } | |
1225 } | |
1226 | |
649 | 1227 if (r->headers_out.server && r->headers_out.server->value.data == NULL) { |
1228 r->headers_out.server->hash = 0; | |
1229 } | |
1230 | |
1231 if (r->headers_out.date && r->headers_out.date->value.data == NULL) { | |
1232 r->headers_out.date->hash = 0; | |
1233 } | |
1234 | |
529 | 1235 r->headers_out.status = u->headers_in.status_n; |
1236 r->headers_out.status_line = u->headers_in.status_line; | |
1237 | |
1992 | 1238 u->headers_in.content_length_n = r->headers_out.content_length_n; |
1239 | |
581 | 1240 if (r->headers_out.content_length_n != -1) { |
1241 u->length = (size_t) r->headers_out.content_length_n; | |
1242 | |
1243 } else { | |
1244 u->length = NGX_MAX_SIZE_T_VALUE; | |
1245 } | |
1246 | |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1247 if (!r->subrequest_in_memory) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1248 ngx_http_upstream_send_response(r, u); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1249 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1250 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1251 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1252 /* subrequest content in memory */ |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1253 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1254 if (u->input_filter == NULL) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1255 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1256 u->input_filter = ngx_http_upstream_non_buffered_filter; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1257 u->input_filter_ctx = r; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1258 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1259 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1260 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1261 ngx_http_upstream_finalize_request(r, u, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1262 NGX_HTTP_INTERNAL_SERVER_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1263 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1264 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1265 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1266 if (u->buffer.last - u->buffer.pos >= (ssize_t) u->length) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1267 if (u->input_filter(u->input_filter_ctx, 0) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1268 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1269 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1270 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1271 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1272 ngx_http_upstream_finalize_request(r, u, 0); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1273 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1274 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1275 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1276 rev->handler = ngx_http_upstream_process_body_in_memory; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1277 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1278 ngx_http_upstream_process_body_in_memory(rev); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1279 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1280 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1281 |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1282 static ngx_int_t |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1283 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
|
1284 { |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1285 int err; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1286 socklen_t len; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1287 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1288 #if (NGX_HAVE_KQUEUE) |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1289 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1290 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
1166 | 1291 if (c->write->pending_eof) { |
1528 | 1292 c->log->action = "connecting to upstream"; |
1166 | 1293 (void) ngx_connection_error(c, c->write->kq_errno, |
1294 "kevent() reported that connect() failed"); | |
1295 return NGX_ERROR; | |
1296 } | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1297 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1298 } else |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1299 #endif |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1300 { |
1166 | 1301 err = 0; |
1302 len = sizeof(int); | |
1303 | |
1304 /* | |
1305 * BSDs and Linux return 0 and set a pending error in err | |
1306 * Solaris returns -1 and sets errno | |
1307 */ | |
1308 | |
1309 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
1310 == -1) | |
1311 { | |
1312 err = ngx_errno; | |
1313 } | |
1314 | |
1315 if (err) { | |
1528 | 1316 c->log->action = "connecting to upstream"; |
1166 | 1317 (void) ngx_connection_error(c, err, "connect() failed"); |
1318 return NGX_ERROR; | |
1319 } | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1320 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1321 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1322 return NGX_OK; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1323 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1324 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1325 |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1326 static void |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1327 ngx_http_upstream_process_body_in_memory(ngx_event_t *rev) |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1328 { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1329 size_t size; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1330 ssize_t n; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1331 ngx_buf_t *b; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1332 ngx_connection_t *c; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1333 ngx_http_request_t *r; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1334 ngx_http_upstream_t *u; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1335 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1336 c = rev->data; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1337 r = c->data; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1338 u = r->upstream; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1339 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1340 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1341 "http upstream process body on memory"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1342 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1343 if (rev->timedout) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1344 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1345 ngx_http_upstream_finalize_request(r, u, NGX_ETIMEDOUT); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1346 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1347 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1348 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1349 b = &u->buffer; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1350 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1351 for ( ;; ) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1352 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1353 size = b->end - b->last; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1354 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1355 if (size == 0) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1356 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1357 "upstream buffer is too small to read repsonse"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1358 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1359 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1360 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1361 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1362 n = c->recv(c, b->last, size); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1363 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1364 if (n == NGX_AGAIN) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1365 break; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1366 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1367 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1368 if (n == 0 || n == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1369 ngx_http_upstream_finalize_request(r, u, n); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1370 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1371 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1372 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1373 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1374 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1375 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1376 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1377 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1378 if (!rev->ready) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1379 break; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1380 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1381 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1382 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1383 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1384 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1385 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1386 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1387 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1388 if (rev->active) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1389 ngx_add_timer(rev, u->conf->read_timeout); |
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 } else if (rev->timer_set) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1392 ngx_del_timer(rev); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1393 } |
681 | 1394 } |
1395 | |
1396 | |
1397 static void | |
1398 ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
1399 { | |
1400 int tcp_nodelay; | |
1401 ssize_t size; | |
1402 ngx_int_t rc; | |
1403 ngx_event_pipe_t *p; | |
1404 ngx_connection_t *c; | |
1405 ngx_pool_cleanup_t *cl; | |
1406 ngx_pool_cleanup_file_t *clf; | |
1407 ngx_http_core_loc_conf_t *clcf; | |
1408 | |
509 | 1409 rc = ngx_http_send_header(r); |
479 | 1410 |
1031
bf1785dfb75f
allow the upstream modules to send a header only
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
1411 if (rc == NGX_ERROR || rc > NGX_OK || r->post_action || r->header_only) { |
485 | 1412 ngx_http_upstream_finalize_request(r, u, rc); |
479 | 1413 return; |
1414 } | |
1415 | |
1416 u->header_sent = 1; | |
1417 | |
573 | 1418 if (r->request_body && r->request_body->temp_file) { |
563 | 1419 for (cl = r->pool->cleanup; cl; cl = cl->next) { |
1420 if (cl->handler == ngx_pool_cleanup_file) { | |
1421 clf = cl->data; | |
1422 | |
1423 if (clf->fd == r->request_body->temp_file->file.fd) { | |
1424 cl->handler(clf); | |
1425 cl->handler = NULL; | |
659 | 1426 r->request_body->temp_file->file.fd = NGX_INVALID_FILE; |
563 | 1427 break; |
1428 } | |
1429 } | |
1430 } | |
1431 } | |
1432 | |
583 | 1433 c = r->connection; |
1434 | |
581 | 1435 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
1436 | |
649 | 1437 if (!u->buffering) { |
581 | 1438 |
1439 if (u->input_filter == NULL) { | |
1440 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; | |
1441 u->input_filter = ngx_http_upstream_non_buffered_filter; | |
1442 u->input_filter_ctx = r; | |
1443 } | |
1444 | |
1445 u->peer.connection->read->handler = | |
1446 ngx_http_upstream_process_non_buffered_body; | |
1447 r->write_event_handler = | |
1448 ngx_http_upstream_process_non_buffered_downstream; | |
1449 | |
1450 r->limit_rate = 0; | |
1451 | |
1452 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { | |
1453 ngx_http_upstream_finalize_request(r, u, 0); | |
1454 return; | |
1455 } | |
1456 | |
583 | 1457 if (clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
1458 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay"); | |
1459 | |
1460 tcp_nodelay = 1; | |
1461 | |
1462 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
1463 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
1464 { | |
1465 ngx_connection_error(c, ngx_socket_errno, | |
1466 "setsockopt(TCP_NODELAY) failed"); | |
1467 ngx_http_upstream_finalize_request(r, u, 0); | |
1468 return; | |
1469 } | |
1470 | |
1471 c->tcp_nodelay = NGX_TCP_NODELAY_SET; | |
1472 } | |
1473 | |
581 | 1474 size = u->buffer.last - u->buffer.pos; |
1475 | |
1476 if (size) { | |
1477 u->buffer.last = u->buffer.pos; | |
1478 | |
1479 if (u->input_filter(u->input_filter_ctx, size) == NGX_ERROR) { | |
1480 ngx_http_upstream_finalize_request(r, u, 0); | |
1481 return; | |
1482 } | |
1483 | |
583 | 1484 ngx_http_upstream_process_non_buffered_body(c->write); |
581 | 1485 |
1486 } else { | |
1487 u->buffer.pos = u->buffer.start; | |
1488 u->buffer.last = u->buffer.start; | |
1489 | |
1490 if (ngx_http_send_special(r, NGX_HTTP_FLUSH) == NGX_ERROR) { | |
1491 ngx_http_upstream_finalize_request(r, u, 0); | |
1492 return; | |
1493 } | |
1527 | 1494 |
1495 if (u->peer.connection->read->ready) { | |
1496 ngx_http_upstream_process_non_buffered_body( | |
1497 u->peer.connection->read); | |
1498 } | |
581 | 1499 } |
1500 | |
1501 return; | |
1502 } | |
1503 | |
479 | 1504 /* TODO: preallocate event_pipe bufs, look "Content-Length" */ |
1505 | |
1506 #if 0 | |
1507 | |
1508 if (u->cache && u->cache->ctx.file.fd != NGX_INVALID_FILE) { | |
1509 if (ngx_close_file(u->cache->ctx.file.fd) == NGX_FILE_ERROR) { | |
583 | 1510 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
479 | 1511 ngx_close_file_n " \"%s\" failed", |
1512 u->cache->ctx.file.name.data); | |
1513 } | |
1514 } | |
1515 | |
1714 | 1516 if (u->cacheable) { |
581 | 1517 header = (ngx_http_cache_header_t *) u->buffer->start; |
479 | 1518 |
1519 header->expires = u->cache->ctx.expires; | |
1520 header->last_modified = u->cache->ctx.last_modified; | |
1521 header->date = u->cache->ctx.date; | |
1522 header->length = r->headers_out.content_length_n; | |
1523 u->cache->ctx.length = r->headers_out.content_length_n; | |
1524 | |
1525 header->key_len = u->cache->ctx.key0.len; | |
1526 ngx_memcpy(&header->key, u->cache->ctx.key0.data, header->key_len); | |
1527 header->key[header->key_len] = LF; | |
1528 } | |
1529 | |
1530 #endif | |
1531 | |
581 | 1532 p = u->pipe; |
479 | 1533 |
1534 p->output_filter = (ngx_event_pipe_output_filter_pt) ngx_http_output_filter; | |
1535 p->output_ctx = r; | |
1536 p->tag = u->output.tag; | |
577 | 1537 p->bufs = u->conf->bufs; |
479 | 1538 p->busy_size = u->conf->busy_buffers_size; |
1539 p->upstream = u->peer.connection; | |
583 | 1540 p->downstream = c; |
479 | 1541 p->pool = r->pool; |
583 | 1542 p->log = c->log; |
577 | 1543 |
1714 | 1544 p->cacheable = u->cacheable || u->store; |
479 | 1545 |
501 | 1546 p->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
1547 if (p->temp_file == NULL) { | |
479 | 1548 ngx_http_upstream_finalize_request(r, u, 0); |
1549 return; | |
1550 } | |
1551 | |
1552 p->temp_file->file.fd = NGX_INVALID_FILE; | |
583 | 1553 p->temp_file->file.log = c->log; |
479 | 1554 p->temp_file->path = u->conf->temp_path; |
1555 p->temp_file->pool = r->pool; | |
577 | 1556 |
1714 | 1557 if (u->cacheable || u->store) { |
479 | 1558 p->temp_file->persistent = 1; |
1381 | 1559 |
479 | 1560 } else { |
667 | 1561 p->temp_file->log_level = NGX_LOG_WARN; |
479 | 1562 p->temp_file->warn = "an upstream response is buffered " |
1563 "to a temporary file"; | |
1564 } | |
1565 | |
1566 p->max_temp_file_size = u->conf->max_temp_file_size; | |
1567 p->temp_file_write_size = u->conf->temp_file_write_size; | |
1568 | |
501 | 1569 p->preread_bufs = ngx_alloc_chain_link(r->pool); |
1570 if (p->preread_bufs == NULL) { | |
479 | 1571 ngx_http_upstream_finalize_request(r, u, 0); |
1572 return; | |
1573 } | |
1381 | 1574 |
581 | 1575 p->preread_bufs->buf = &u->buffer; |
479 | 1576 p->preread_bufs->next = NULL; |
581 | 1577 u->buffer.recycled = 1; |
1578 | |
1579 p->preread_size = u->buffer.last - u->buffer.pos; | |
479 | 1580 |
1714 | 1581 if (u->cacheable) { |
1381 | 1582 |
479 | 1583 p->buf_to_file = ngx_calloc_buf(r->pool); |
1584 if (p->buf_to_file == NULL) { | |
1585 ngx_http_upstream_finalize_request(r, u, 0); | |
1586 return; | |
1587 } | |
1381 | 1588 |
581 | 1589 p->buf_to_file->pos = u->buffer.start; |
1590 p->buf_to_file->last = u->buffer.pos; | |
479 | 1591 p->buf_to_file->temporary = 1; |
1592 } | |
1593 | |
1594 if (ngx_event_flags & NGX_USE_AIO_EVENT) { | |
1595 /* the posted aio operation may currupt a shadow buffer */ | |
1596 p->single_buf = 1; | |
1597 } | |
1598 | |
1599 /* TODO: p->free_bufs = 0 if use ngx_create_chain_of_bufs() */ | |
1600 p->free_bufs = 1; | |
1601 | |
1602 /* | |
581 | 1603 * event_pipe would do u->buffer.last += p->preread_size |
479 | 1604 * as though these bytes were read |
1605 */ | |
581 | 1606 u->buffer.last = u->buffer.pos; |
479 | 1607 |
1608 if (u->conf->cyclic_temp_file) { | |
1609 | |
1610 /* | |
1611 * we need to disable the use of sendfile() if we use cyclic temp file | |
1612 * because the writing a new data may interfere with sendfile() | |
1613 * that uses the same kernel file pages (at least on FreeBSD) | |
1614 */ | |
1615 | |
1616 p->cyclic_temp_file = 1; | |
583 | 1617 c->sendfile = 0; |
479 | 1618 |
1619 } else { | |
1620 p->cyclic_temp_file = 0; | |
1621 } | |
1622 | |
1623 p->read_timeout = u->conf->read_timeout; | |
1624 p->send_timeout = clcf->send_timeout; | |
1625 p->send_lowat = clcf->send_lowat; | |
1626 | |
509 | 1627 u->peer.connection->read->handler = ngx_http_upstream_process_body; |
1628 r->write_event_handler = ngx_http_upstream_process_downstream; | |
479 | 1629 |
1630 ngx_http_upstream_process_body(u->peer.connection->read); | |
1631 } | |
1632 | |
1633 | |
487 | 1634 static void |
581 | 1635 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r) |
1636 { | |
1637 ngx_http_upstream_process_non_buffered_body(r->connection->write); | |
1638 } | |
1639 | |
1640 | |
1641 static void | |
1642 ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev) | |
1643 { | |
1644 size_t size; | |
1645 ssize_t n; | |
1646 ngx_buf_t *b; | |
583 | 1647 ngx_int_t rc; |
581 | 1648 ngx_uint_t do_write; |
884 | 1649 ngx_connection_t *c, *downstream, *upstream; |
581 | 1650 ngx_http_request_t *r; |
1651 ngx_http_upstream_t *u; | |
1652 ngx_http_core_loc_conf_t *clcf; | |
1653 | |
1654 c = ev->data; | |
756
d904b5cb3bba
fix building introduced by previous commit
Igor Sysoev <igor@sysoev.ru>
parents:
755
diff
changeset
|
1655 r = c->data; |
d904b5cb3bba
fix building introduced by previous commit
Igor Sysoev <igor@sysoev.ru>
parents:
755
diff
changeset
|
1656 u = r->upstream; |
581 | 1657 |
1658 if (ev->write) { | |
1659 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1660 "http upstream process non buffered downstream"); | |
1661 c->log->action = "sending to client"; | |
1662 | |
1663 } else { | |
1664 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1665 "http upstream process non buffered upstream"); | |
1666 c->log->action = "reading upstream"; | |
1667 } | |
1668 | |
1669 if (ev->timedout) { | |
1670 if (ev->write) { | |
1671 c->timedout = 1; | |
611 | 1672 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
1673 | |
581 | 1674 } else { |
611 | 1675 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
581 | 1676 } |
755
63b9dc652c3d
finalize nonbuffered request on timeout
Igor Sysoev <igor@sysoev.ru>
parents:
751
diff
changeset
|
1677 |
63b9dc652c3d
finalize nonbuffered request on timeout
Igor Sysoev <igor@sysoev.ru>
parents:
751
diff
changeset
|
1678 ngx_http_upstream_finalize_request(r, u, 0); |
63b9dc652c3d
finalize nonbuffered request on timeout
Igor Sysoev <igor@sysoev.ru>
parents:
751
diff
changeset
|
1679 return; |
581 | 1680 } |
1681 | |
884 | 1682 downstream = r->connection; |
1683 upstream = u->peer.connection; | |
581 | 1684 |
1685 b = &u->buffer; | |
1686 | |
1687 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1688 | |
657 | 1689 do_write = ev->write || u->length == 0; |
581 | 1690 |
1691 for ( ;; ) { | |
1692 | |
1693 if (do_write) { | |
1694 | |
1695 if (u->out_bufs || u->busy_bufs) { | |
583 | 1696 rc = ngx_http_output_filter(r, u->out_bufs); |
1697 | |
884 | 1698 if (downstream->destroyed) { |
583 | 1699 return; |
1700 } | |
1701 | |
1702 if (rc == NGX_ERROR) { | |
581 | 1703 ngx_http_upstream_finalize_request(r, u, 0); |
1704 return; | |
1705 } | |
1706 | |
1707 ngx_chain_update_chains(&u->free_bufs, &u->busy_bufs, | |
1708 &u->out_bufs, u->output.tag); | |
1709 } | |
1710 | |
1711 if (u->busy_bufs == NULL) { | |
1712 | |
1713 if (u->length == 0 | |
884 | 1714 || upstream->read->eof |
1715 || upstream->read->error) | |
581 | 1716 { |
1717 ngx_http_upstream_finalize_request(r, u, 0); | |
1718 return; | |
1719 } | |
1720 | |
1721 b->pos = b->start; | |
1722 b->last = b->start; | |
1723 } | |
1724 } | |
1725 | |
1726 size = b->end - b->last; | |
1727 | |
1728 if (size > u->length) { | |
1729 size = u->length; | |
1730 } | |
1731 | |
884 | 1732 if (size && upstream->read->ready) { |
1733 | |
1734 n = upstream->recv(upstream, b->last, size); | |
581 | 1735 |
1736 if (n == NGX_AGAIN) { | |
1737 break; | |
1738 } | |
1739 | |
1740 if (n > 0) { | |
1741 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { | |
1742 ngx_http_upstream_finalize_request(r, u, 0); | |
1743 return; | |
1744 } | |
1745 } | |
1746 | |
1747 do_write = 1; | |
1748 | |
1749 continue; | |
1750 } | |
1751 | |
1752 break; | |
1753 } | |
1754 | |
884 | 1755 if (downstream->data == r) { |
1756 if (ngx_handle_write_event(downstream->write, clcf->send_lowat) | |
583 | 1757 == NGX_ERROR) |
1758 { | |
1759 ngx_http_upstream_finalize_request(r, u, 0); | |
1760 return; | |
1761 } | |
581 | 1762 } |
1763 | |
1063
e2a6ecc5a3ae
a non-active client connection must not closed after send timeout
Igor Sysoev <igor@sysoev.ru>
parents:
1031
diff
changeset
|
1764 if (downstream->write->active && !downstream->write->ready) { |
884 | 1765 ngx_add_timer(downstream->write, clcf->send_timeout); |
1766 | |
1767 } else if (downstream->write->timer_set) { | |
1768 ngx_del_timer(downstream->write); | |
581 | 1769 } |
1770 | |
884 | 1771 if (ngx_handle_read_event(upstream->read, 0) == NGX_ERROR) { |
581 | 1772 ngx_http_upstream_finalize_request(r, u, 0); |
1773 return; | |
1774 } | |
1775 | |
1063
e2a6ecc5a3ae
a non-active client connection must not closed after send timeout
Igor Sysoev <igor@sysoev.ru>
parents:
1031
diff
changeset
|
1776 if (upstream->read->active && !upstream->read->ready) { |
884 | 1777 ngx_add_timer(upstream->read, u->conf->read_timeout); |
1778 | |
1779 } else if (upstream->read->timer_set) { | |
1780 ngx_del_timer(upstream->read); | |
581 | 1781 } |
1782 } | |
1783 | |
1784 | |
1785 static ngx_int_t | |
1786 ngx_http_upstream_non_buffered_filter_init(void *data) | |
1787 { | |
1788 return NGX_OK; | |
1789 } | |
1790 | |
1791 | |
1792 static ngx_int_t | |
1793 ngx_http_upstream_non_buffered_filter(void *data, ssize_t bytes) | |
1794 { | |
1795 ngx_http_request_t *r = data; | |
1796 | |
1797 ngx_buf_t *b; | |
1798 ngx_chain_t *cl, **ll; | |
1799 ngx_http_upstream_t *u; | |
1800 | |
1801 u = r->upstream; | |
1802 | |
1803 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
1804 ll = &cl->next; | |
1805 } | |
1806 | |
1807 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
1808 if (cl == NULL) { | |
1809 return NGX_ERROR; | |
1810 } | |
1811 | |
1812 *ll = cl; | |
1813 | |
1814 cl->buf->flush = 1; | |
1815 cl->buf->memory = 1; | |
1816 | |
1817 b = &u->buffer; | |
1818 | |
1819 cl->buf->pos = b->last; | |
1820 b->last += bytes; | |
1821 cl->buf->last = b->last; | |
1822 | |
1823 if (u->length == NGX_MAX_SIZE_T_VALUE) { | |
1824 return NGX_OK; | |
1825 } | |
1826 | |
1827 u->length -= bytes; | |
1828 | |
1829 return NGX_OK; | |
1830 } | |
1831 | |
1832 | |
1833 static void | |
509 | 1834 ngx_http_upstream_process_downstream(ngx_http_request_t *r) |
1835 { | |
1836 ngx_http_upstream_process_body(r->connection->write); | |
1837 } | |
1838 | |
1839 | |
1840 static void | |
487 | 1841 ngx_http_upstream_process_body(ngx_event_t *ev) |
479 | 1842 { |
1992 | 1843 ngx_temp_file_t *tf; |
509 | 1844 ngx_event_pipe_t *p; |
583 | 1845 ngx_connection_t *c, *downstream; |
1098 | 1846 ngx_http_log_ctx_t *ctx; |
479 | 1847 ngx_http_request_t *r; |
1848 ngx_http_upstream_t *u; | |
1849 | |
1850 c = ev->data; | |
1851 r = c->data; | |
1852 u = r->upstream; | |
583 | 1853 downstream = r->connection; |
479 | 1854 |
1855 if (ev->write) { | |
483 | 1856 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
1857 "http upstream process downstream"); | |
1858 c->log->action = "sending to client"; | |
577 | 1859 |
479 | 1860 } else { |
483 | 1861 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
1862 "http upstream process upstream"); | |
1863 c->log->action = "reading upstream"; | |
1098 | 1864 |
1865 ctx = c->log->data; | |
1866 ctx->current_request = r; | |
479 | 1867 } |
577 | 1868 |
581 | 1869 p = u->pipe; |
479 | 1870 |
1871 if (ev->timedout) { | |
1872 if (ev->write) { | |
527 | 1873 if (ev->delayed) { |
1874 | |
1875 ev->timedout = 0; | |
1876 ev->delayed = 0; | |
1877 | |
1878 if (!ev->ready) { | |
1879 ngx_add_timer(ev, p->send_timeout); | |
1880 | |
1881 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) | |
1882 { | |
1883 ngx_http_upstream_finalize_request(r, u, 0); | |
1884 return; | |
1885 } | |
1886 | |
1887 return; | |
1888 } | |
1889 | |
1890 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { | |
583 | 1891 |
1892 if (downstream->destroyed) { | |
1893 return; | |
1894 } | |
1895 | |
527 | 1896 ngx_http_upstream_finalize_request(r, u, 0); |
1897 return; | |
1898 } | |
1899 | |
1900 } else { | |
1901 p->downstream_error = 1; | |
577 | 1902 c->timedout = 1; |
611 | 1903 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
527 | 1904 } |
479 | 1905 |
1906 } else { | |
577 | 1907 p->upstream_error = 1; |
611 | 1908 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
479 | 1909 } |
1910 | |
1911 } else { | |
527 | 1912 if (ev->write && ev->delayed) { |
1913 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1914 "http downstream delayed"); | |
1915 | |
1916 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) { | |
1917 return; | |
1918 } | |
1919 | |
1920 return; | |
1921 } | |
1922 | |
479 | 1923 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { |
583 | 1924 |
1925 if (downstream->destroyed) { | |
1926 return; | |
1927 } | |
1928 | |
479 | 1929 ngx_http_upstream_finalize_request(r, u, 0); |
1930 return; | |
1931 } | |
1932 } | |
577 | 1933 |
479 | 1934 if (u->peer.connection) { |
1935 | |
1381 | 1936 if (u->store) { |
1937 | |
1992 | 1938 tf = u->pipe->temp_file; |
1939 | |
1940 if (p->upstream_eof | |
1941 && u->headers_in.status_n == NGX_HTTP_OK | |
1942 && (u->headers_in.content_length_n == -1 | |
1943 || (u->headers_in.content_length_n == tf->offset))) | |
1944 { | |
1381 | 1945 ngx_http_upstream_store(r, u); |
1946 | |
1947 } else if ((p->upstream_error | |
1948 || (p->upstream_eof | |
1949 && u->headers_in.status_n != NGX_HTTP_OK)) | |
1992 | 1950 && tf->file.fd != NGX_INVALID_FILE) |
1381 | 1951 { |
1992 | 1952 if (ngx_delete_file(tf->file.name.data) == NGX_FILE_ERROR) { |
1953 | |
1381 | 1954 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
1955 ngx_delete_file_n " \"%s\" failed", | |
1956 u->pipe->temp_file->file.name.data); | |
1957 } | |
1958 } | |
1959 } | |
1960 | |
479 | 1961 #if (NGX_HTTP_FILE_CACHE) |
1962 | |
1714 | 1963 if (p->upstream_done && u->cacheable) { |
479 | 1964 if (ngx_http_cache_update(r) == NGX_ERROR) { |
1965 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
1966 ngx_http_upstream_finalize_request(r, u, 0); | |
1967 return; | |
1968 } | |
1969 | |
1714 | 1970 } else if (p->upstream_eof && u->cacheable) { |
479 | 1971 |
1972 /* TODO: check length & update cache */ | |
1973 | |
1974 if (ngx_http_cache_update(r) == NGX_ERROR) { | |
1975 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
1976 ngx_http_upstream_finalize_request(r, u, 0); | |
1977 return; | |
1978 } | |
1979 } | |
1980 | |
1981 #endif | |
1982 | |
1983 if (p->upstream_done || p->upstream_eof || p->upstream_error) { | |
483 | 1984 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
1985 "http upstream exit: %p", p->out); | |
479 | 1986 #if 0 |
1987 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
1988 #endif | |
1989 ngx_http_upstream_finalize_request(r, u, 0); | |
1990 return; | |
1991 } | |
1992 } | |
1993 | |
1994 if (p->downstream_error) { | |
483 | 1995 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
1996 "http upstream downstream error"); | |
479 | 1997 |
1714 | 1998 if (!u->cacheable && u->peer.connection) { |
479 | 1999 ngx_http_upstream_finalize_request(r, u, 0); |
2000 } | |
2001 } | |
2002 } | |
2003 | |
2004 | |
487 | 2005 static void |
1381 | 2006 ngx_http_upstream_store(ngx_http_request_t *r, ngx_http_upstream_t *u) |
2007 { | |
2008 char *failed; | |
2009 u_char *name; | |
2010 size_t root; | |
2011 time_t lm; | |
2012 ngx_err_t err; | |
2013 ngx_str_t *temp, path, *last_modified; | |
2014 ngx_temp_file_t *tf; | |
2015 | |
2016 if (u->pipe->temp_file->file.fd == NGX_INVALID_FILE) { | |
2017 | |
2018 /* create file for empty 200 response */ | |
2019 | |
2020 tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); | |
2021 if (tf == NULL) { | |
2022 return; | |
2023 } | |
2024 | |
2025 tf->file.fd = NGX_INVALID_FILE; | |
2026 tf->file.log = r->connection->log; | |
2027 tf->path = u->conf->temp_path; | |
2028 tf->pool = r->pool; | |
2029 tf->persistent = 1; | |
2030 | |
2031 if (ngx_create_temp_file(&tf->file, tf->path, tf->pool, | |
2032 tf->persistent, tf->clean, tf->access) | |
2033 != NGX_OK) | |
2034 { | |
2035 return; | |
2036 } | |
2037 | |
2038 u->pipe->temp_file = tf; | |
2039 } | |
2040 | |
2041 temp = &u->pipe->temp_file->file.name; | |
2042 | |
2043 #if !(NGX_WIN32) | |
2044 | |
2045 if (ngx_change_file_access(temp->data, u->conf->store_access) | |
2046 == NGX_FILE_ERROR) | |
2047 { | |
2048 err = ngx_errno; | |
2049 failed = ngx_change_file_access_n; | |
2050 name = temp->data; | |
2051 | |
2052 goto failed; | |
2053 } | |
2054 | |
2055 #endif | |
2056 | |
2057 if (r->upstream->headers_in.last_modified) { | |
2058 | |
2059 last_modified = &r->upstream->headers_in.last_modified->value; | |
2060 | |
2061 lm = ngx_http_parse_time(last_modified->data, last_modified->len); | |
2062 | |
2063 if (lm != NGX_ERROR) { | |
2064 if (ngx_set_file_time(temp->data, u->pipe->temp_file->file.fd, lm) | |
2065 != NGX_OK) | |
2066 { | |
2067 err = ngx_errno; | |
2068 failed = ngx_set_file_time_n; | |
2069 name = temp->data; | |
2070 | |
2071 goto failed; | |
2072 } | |
2073 } | |
2074 } | |
2075 | |
2076 if (u->conf->store_lengths == NULL) { | |
2077 | |
2078 ngx_http_map_uri_to_path(r, &path, &root, 0); | |
2079 | |
2080 } else { | |
2081 if (ngx_http_script_run(r, &path, u->conf->store_lengths->elts, 0, | |
2082 u->conf->store_values->elts) | |
2083 == NULL) | |
2084 { | |
2085 return; | |
2086 } | |
2087 } | |
2088 | |
2089 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2090 "upstream stores \"%s\" to \"%s\"", temp->data, path.data); | |
2091 | |
2092 failed = ngx_rename_file_n; | |
2093 name = path.data; | |
2094 | |
2095 if (ngx_rename_file(temp->data, path.data) != NGX_FILE_ERROR) { | |
2096 return; | |
2097 } | |
2098 | |
2099 err = ngx_errno; | |
2100 | |
2101 if (err == NGX_ENOENT) { | |
2102 | |
2103 err = ngx_create_full_path(path.data, | |
2104 ngx_dir_access(u->conf->store_access)); | |
2105 if (err == 0) { | |
2106 if (ngx_rename_file(temp->data, path.data) != NGX_FILE_ERROR) { | |
2107 return; | |
2108 } | |
2109 | |
2110 err = ngx_errno; | |
2111 } | |
2112 } | |
2113 | |
2114 #if (NGX_WIN32) | |
2115 | |
2116 if (err == NGX_EEXIST) { | |
2117 if (ngx_win32_rename_file(temp, &path, r->pool) != NGX_ERROR) { | |
2118 | |
2119 if (ngx_rename_file(temp->data, path.data) != NGX_FILE_ERROR) { | |
2120 return; | |
2121 } | |
2122 } | |
2123 | |
2124 err = ngx_errno; | |
2125 } | |
2126 | |
2127 #endif | |
2128 | |
2129 failed: | |
2130 | |
2131 if (ngx_delete_file(temp->data) == NGX_FILE_ERROR) { | |
2132 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
2133 ngx_delete_file_n " \"%s\" failed", | |
2134 temp->data); | |
2135 } | |
2136 | |
2137 ngx_log_error(NGX_LOG_CRIT, r->connection->log, err, | |
2138 "%s \"%s\" failed", failed, name); | |
2139 } | |
2140 | |
2141 | |
2142 static void | |
487 | 2143 ngx_http_upstream_dummy_handler(ngx_event_t *wev) |
479 | 2144 { |
2145 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
2146 "http upstream dummy handler"); | |
2147 } | |
2148 | |
2149 | |
487 | 2150 static void |
2151 ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u, | |
2152 ngx_uint_t ft_type) | |
479 | 2153 { |
884 | 2154 ngx_uint_t status, state; |
479 | 2155 |
2156 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
884 | 2157 "http next upstream, %xi", ft_type); |
479 | 2158 |
2159 #if 0 | |
2160 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2161 #endif | |
2162 | |
525 | 2163 if (ft_type == NGX_HTTP_UPSTREAM_FT_HTTP_404) { |
884 | 2164 state = NGX_PEER_NEXT; |
525 | 2165 } else { |
884 | 2166 state = NGX_PEER_FAILED; |
479 | 2167 } |
525 | 2168 |
884 | 2169 u->peer.free(&u->peer, u->peer.data, state); |
525 | 2170 |
479 | 2171 if (ft_type == NGX_HTTP_UPSTREAM_FT_TIMEOUT) { |
2172 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ETIMEDOUT, | |
2173 "upstream timed out"); | |
2174 } | |
577 | 2175 |
479 | 2176 if (u->peer.cached && ft_type == NGX_HTTP_UPSTREAM_FT_ERROR) { |
2177 status = 0; | |
2178 | |
2179 } else { | |
2180 switch(ft_type) { | |
2181 | |
2182 case NGX_HTTP_UPSTREAM_FT_TIMEOUT: | |
2183 status = NGX_HTTP_GATEWAY_TIME_OUT; | |
2184 break; | |
2185 | |
2186 case NGX_HTTP_UPSTREAM_FT_HTTP_500: | |
2187 status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
2188 break; | |
2189 | |
2190 case NGX_HTTP_UPSTREAM_FT_HTTP_404: | |
2191 status = NGX_HTTP_NOT_FOUND; | |
2192 break; | |
2193 | |
2194 /* | |
2195 * NGX_HTTP_UPSTREAM_FT_BUSY_LOCK and NGX_HTTP_UPSTREAM_FT_MAX_WAITING | |
2196 * never reach here | |
2197 */ | |
2198 | |
2199 default: | |
2200 status = NGX_HTTP_BAD_GATEWAY; | |
2201 } | |
2202 } | |
2203 | |
583 | 2204 if (r->connection->error) { |
479 | 2205 ngx_http_upstream_finalize_request(r, u, |
2206 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
2207 return; | |
2208 } | |
2209 | |
2210 if (status) { | |
2211 u->state->status = status; | |
2212 | |
525 | 2213 if (u->peer.tries == 0 || !(u->conf->next_upstream & ft_type)) { |
479 | 2214 |
2215 #if (NGX_HTTP_CACHE) | |
2216 | |
2217 if (u->stale && (u->conf->use_stale & ft_type)) { | |
2218 ngx_http_upstream_finalize_request(r, u, | |
525 | 2219 ngx_http_send_cached_response(r)); |
479 | 2220 return; |
2221 } | |
2222 | |
2223 #endif | |
2224 | |
2225 ngx_http_upstream_finalize_request(r, u, status); | |
2226 return; | |
2227 } | |
2228 } | |
2229 | |
2230 if (u->peer.connection) { | |
2231 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2232 "close http upstream connection: %d", | |
2233 u->peer.connection->fd); | |
577 | 2234 #if (NGX_HTTP_SSL) |
884 | 2235 |
577 | 2236 if (u->peer.connection->ssl) { |
884 | 2237 u->peer.connection->ssl->no_wait_shutdown = 1; |
2238 u->peer.connection->ssl->no_send_shutdown = 1; | |
2239 | |
2240 (void) ngx_ssl_shutdown(u->peer.connection); | |
577 | 2241 } |
2242 #endif | |
884 | 2243 |
479 | 2244 ngx_close_connection(u->peer.connection); |
2245 } | |
2246 | |
2247 #if 0 | |
2248 if (u->conf->busy_lock && !u->busy_locked) { | |
2249 ngx_http_upstream_busy_lock(p); | |
2250 return; | |
2251 } | |
2252 #endif | |
2253 | |
2254 ngx_http_upstream_connect(r, u); | |
2255 } | |
2256 | |
2257 | |
487 | 2258 static void |
569 | 2259 ngx_http_upstream_cleanup(void *data) |
2260 { | |
2261 ngx_http_request_t *r = data; | |
2262 | |
2263 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2264 "cleanup http upstream request: \"%V\"", &r->uri); | |
2265 | |
2266 ngx_http_upstream_finalize_request(r, r->upstream, NGX_DONE); | |
2267 } | |
2268 | |
2269 | |
2270 static void | |
487 | 2271 ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
2272 ngx_http_upstream_t *u, ngx_int_t rc) | |
479 | 2273 { |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2274 ngx_time_t *tp; |
563 | 2275 |
483 | 2276 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2277 "finalize http upstream request: %i", rc); | |
479 | 2278 |
569 | 2279 *u->cleanup = NULL; |
2280 | |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2281 if (u->state->response_sec) { |
563 | 2282 tp = ngx_timeofday(); |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2283 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
|
2284 u->state->response_msec = tp->msec - u->state->response_msec; |
563 | 2285 } |
2286 | |
479 | 2287 u->finalize_request(r, rc); |
2288 | |
884 | 2289 u->peer.free(&u->peer, u->peer.data, 0); |
2290 | |
479 | 2291 if (u->peer.connection) { |
884 | 2292 |
577 | 2293 #if (NGX_HTTP_SSL) |
2294 | |
2295 /* TODO: do not shutdown persistent connection */ | |
2296 | |
2297 if (u->peer.connection->ssl) { | |
884 | 2298 |
2299 /* | |
2300 * We send the "close notify" shutdown alert to the upstream only | |
2301 * and do not wait its "close notify" shutdown alert. | |
2302 * It is acceptable according to the TLS standard. | |
2303 */ | |
2304 | |
2305 u->peer.connection->ssl->no_wait_shutdown = 1; | |
2306 | |
2307 (void) ngx_ssl_shutdown(u->peer.connection); | |
577 | 2308 } |
2309 #endif | |
884 | 2310 |
2311 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2312 "close http upstream connection: %d", | |
2313 u->peer.connection->fd); | |
2314 | |
479 | 2315 ngx_close_connection(u->peer.connection); |
2316 } | |
2317 | |
483 | 2318 u->peer.connection = NULL; |
2319 | |
563 | 2320 if (u->header_sent && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE)) |
479 | 2321 { |
2322 rc = 0; | |
2323 } | |
2324 | |
581 | 2325 if (u->pipe && u->pipe->temp_file) { |
479 | 2326 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2327 "http upstream temp fd: %d", | |
581 | 2328 u->pipe->temp_file->file.fd); |
479 | 2329 } |
2330 | |
2331 #if 0 | |
2332 if (u->cache) { | |
2333 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
483 | 2334 "http upstream cache fd: %d", |
479 | 2335 u->cache->ctx.file.fd); |
2336 } | |
2337 #endif | |
2338 | |
515 | 2339 if (rc == NGX_DECLINED) { |
2340 return; | |
2341 } | |
2342 | |
483 | 2343 r->connection->log->action = "sending to client"; |
2344 | |
1270 | 2345 if (rc == 0) { |
2346 if (r == r->main) { | |
2347 if (!r->post_action) { | |
2348 rc = ngx_http_send_special(r, NGX_HTTP_LAST); | |
2349 } | |
2350 | |
2351 } else { | |
2352 if (r->out) { | |
2353 rc = NGX_AGAIN; | |
2354 } | |
2355 } | |
479 | 2356 } |
2357 | |
2358 ngx_http_finalize_request(r, rc); | |
2359 } | |
2360 | |
2361 | |
509 | 2362 static ngx_int_t |
2363 ngx_http_upstream_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2364 ngx_uint_t offset) | |
577 | 2365 { |
509 | 2366 ngx_table_elt_t **ph; |
577 | 2367 |
509 | 2368 ph = (ngx_table_elt_t **) ((char *) &r->upstream->headers_in + offset); |
2369 | |
2370 if (*ph == NULL) { | |
2371 *ph = h; | |
2372 } | |
2373 | |
2374 return NGX_OK; | |
2375 } | |
2376 | |
2377 | |
2378 static ngx_int_t | |
2379 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
2380 ngx_table_elt_t *h, ngx_uint_t offset) | |
2381 { | |
2382 ngx_array_t *pa; | |
2383 ngx_table_elt_t **ph; | |
2384 | |
2385 pa = (ngx_array_t *) ((char *) &r->upstream->headers_in + offset); | |
2386 | |
2387 if (pa->elts == NULL) { | |
2388 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
2389 { | |
2390 return NGX_ERROR; | |
2391 } | |
2392 } | |
2393 | |
2394 ph = ngx_array_push(pa); | |
2395 if (ph == NULL) { | |
2396 return NGX_ERROR; | |
2397 } | |
2398 | |
2399 *ph = h; | |
2400 | |
2401 return NGX_OK; | |
2402 } | |
2403 | |
2404 | |
2405 static ngx_int_t | |
2406 ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2407 ngx_uint_t offset) | |
2408 { | |
2409 return NGX_OK; | |
2410 } | |
2411 | |
2412 | |
2413 static ngx_int_t | |
527 | 2414 ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, ngx_table_elt_t *h, |
2415 ngx_uint_t offset) | |
577 | 2416 { |
527 | 2417 ngx_int_t n; |
2418 | |
2419 r->upstream->headers_in.x_accel_limit_rate = h; | |
2420 | |
2421 n = ngx_atoi(h->value.data, h->value.len); | |
2422 | |
2423 if (n != NGX_ERROR) { | |
2424 r->limit_rate = (size_t) n; | |
2425 } | |
2426 | |
2427 return NGX_OK; | |
2428 } | |
2429 | |
2430 | |
2431 static ngx_int_t | |
649 | 2432 ngx_http_upstream_process_buffering(ngx_http_request_t *r, ngx_table_elt_t *h, |
2433 ngx_uint_t offset) | |
2434 { | |
2435 u_char c0, c1, c2; | |
2436 | |
2437 if (r->upstream->conf->change_buffering) { | |
2438 | |
2439 if (h->value.len == 2) { | |
2440 c0 = ngx_tolower(h->value.data[0]); | |
2441 c1 = ngx_tolower(h->value.data[1]); | |
2442 | |
2443 if (c0 == 'n' && c1 == 'o') { | |
2444 r->upstream->buffering = 0; | |
2445 } | |
2446 | |
2447 } else if (h->value.len == 3) { | |
2448 c0 = ngx_tolower(h->value.data[0]); | |
2449 c1 = ngx_tolower(h->value.data[1]); | |
2450 c2 = ngx_tolower(h->value.data[2]); | |
2451 | |
2452 if (c0 == 'y' && c1 == 'e' && c2 == 's') { | |
2453 r->upstream->buffering = 1; | |
2454 } | |
2455 } | |
2456 } | |
2457 | |
2458 return NGX_OK; | |
2459 } | |
2460 | |
2461 | |
2462 static ngx_int_t | |
657 | 2463 ngx_http_upstream_process_charset(ngx_http_request_t *r, ngx_table_elt_t *h, |
2464 ngx_uint_t offset) | |
2465 { | |
2466 r->headers_out.override_charset = &h->value; | |
2467 | |
2468 return NGX_OK; | |
2469 } | |
2470 | |
2471 | |
2472 static ngx_int_t | |
509 | 2473 ngx_http_upstream_copy_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, |
2474 ngx_uint_t offset) | |
2475 { | |
573 | 2476 ngx_table_elt_t *ho, **ph; |
509 | 2477 |
2478 ho = ngx_list_push(&r->headers_out.headers); | |
2479 if (ho == NULL) { | |
2480 return NGX_ERROR; | |
2481 } | |
2482 | |
2483 *ho = *h; | |
2484 | |
573 | 2485 if (offset) { |
2486 ph = (ngx_table_elt_t **) ((char *) &r->headers_out + offset); | |
2487 *ph = ho; | |
2488 } | |
2489 | |
509 | 2490 return NGX_OK; |
2491 } | |
2492 | |
2493 | |
2494 static ngx_int_t | |
2495 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
2496 ngx_table_elt_t *h, ngx_uint_t offset) | |
2497 { | |
2498 ngx_array_t *pa; | |
2499 ngx_table_elt_t *ho, **ph; | |
2500 | |
2501 pa = (ngx_array_t *) ((char *) &r->headers_out + offset); | |
2502 | |
2503 if (pa->elts == NULL) { | |
2504 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
2505 { | |
2506 return NGX_ERROR; | |
2507 } | |
2508 } | |
2509 | |
2510 ph = ngx_array_push(pa); | |
2511 if (ph == NULL) { | |
2512 return NGX_ERROR; | |
2513 } | |
2514 | |
2515 ho = ngx_list_push(&r->headers_out.headers); | |
2516 if (ho == NULL) { | |
2517 return NGX_ERROR; | |
2518 } | |
2519 | |
2520 *ho = *h; | |
2521 *ph = ho; | |
2522 | |
2523 return NGX_OK; | |
2524 } | |
2525 | |
2526 | |
2527 static ngx_int_t | |
2528 ngx_http_upstream_copy_content_type(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2529 ngx_uint_t offset) | |
2530 { | |
657 | 2531 u_char *p, *last; |
2532 | |
2533 r->headers_out.content_type_len = h->value.len; | |
509 | 2534 r->headers_out.content_type = h->value; |
2535 | |
657 | 2536 for (p = h->value.data; *p; p++) { |
2537 | |
2538 if (*p != ';') { | |
2539 continue; | |
2540 } | |
2541 | |
2542 last = p; | |
2543 | |
2544 while (*++p == ' ') { /* void */ } | |
2545 | |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1098
diff
changeset
|
2546 if (ngx_strncasecmp(p, (u_char *) "charset=", 8) != 0) { |
657 | 2547 continue; |
2548 } | |
2549 | |
2550 p += 8; | |
2551 | |
2552 r->headers_out.content_type_len = last - h->value.data; | |
2553 | |
2554 r->headers_out.charset.len = h->value.data + h->value.len - p; | |
2555 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
|
2556 |
c6c42497106c
fix segfault if upstream sends trailing ";" in "charset="
Igor Sysoev <igor@sysoev.ru>
parents:
1109
diff
changeset
|
2557 return NGX_OK; |
657 | 2558 } |
2559 | |
509 | 2560 return NGX_OK; |
2561 } | |
2562 | |
2563 | |
2564 static ngx_int_t | |
2565 ngx_http_upstream_copy_content_length(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2566 ngx_uint_t offset) | |
2567 { | |
2568 ngx_table_elt_t *ho; | |
2569 | |
2570 ho = ngx_list_push(&r->headers_out.headers); | |
2571 if (ho == NULL) { | |
2572 return NGX_ERROR; | |
2573 } | |
2574 | |
2575 *ho = *h; | |
2576 | |
2577 r->headers_out.content_length = ho; | |
2578 r->headers_out.content_length_n = ngx_atoof(h->value.data, h->value.len); | |
2579 | |
2580 return NGX_OK; | |
2581 } | |
2582 | |
2583 | |
2584 static ngx_int_t | |
2585 ngx_http_upstream_rewrite_location(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2586 ngx_uint_t offset) | |
2587 { | |
2588 ngx_int_t rc; | |
2589 ngx_table_elt_t *ho; | |
2590 | |
2591 ho = ngx_list_push(&r->headers_out.headers); | |
2592 if (ho == NULL) { | |
2593 return NGX_ERROR; | |
2594 } | |
2595 | |
2596 *ho = *h; | |
2597 | |
2598 if (r->upstream->rewrite_redirect) { | |
2599 rc = r->upstream->rewrite_redirect(r, ho, 0); | |
2600 | |
529 | 2601 if (rc == NGX_DECLINED) { |
2602 return NGX_OK; | |
2603 } | |
2604 | |
509 | 2605 if (rc == NGX_OK) { |
2606 r->headers_out.location = ho; | |
2607 | |
2608 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2609 "rewritten location: \"%V\"", &ho->value); | |
2610 } | |
2611 | |
2612 return rc; | |
2613 } | |
2614 | |
2615 /* | |
2616 * we do not set r->headers_out.location here to avoid the handling | |
2617 * the local redirects without a host name by ngx_http_header_filter() | |
2618 */ | |
2619 | |
2620 return NGX_OK; | |
2621 } | |
2622 | |
2623 | |
2624 static ngx_int_t | |
2625 ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2626 ngx_uint_t offset) | |
2627 { | |
2628 u_char *p; | |
2629 ngx_int_t rc; | |
2630 ngx_table_elt_t *ho; | |
2631 | |
2632 ho = ngx_list_push(&r->headers_out.headers); | |
2633 if (ho == NULL) { | |
2634 return NGX_ERROR; | |
2635 } | |
2636 | |
2637 *ho = *h; | |
2638 | |
2639 if (r->upstream->rewrite_redirect) { | |
2640 | |
1611
d5db0e96bcc6
r1542, r1543, r1544, r1549, r1550, r1551, r1555 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1533
diff
changeset
|
2641 p = ngx_strcasestrn(ho->value.data, "url=", 4 - 1); |
509 | 2642 |
2643 if (p) { | |
2644 rc = r->upstream->rewrite_redirect(r, ho, p + 4 - ho->value.data); | |
2645 | |
2646 } else { | |
2647 return NGX_OK; | |
2648 } | |
2649 | |
529 | 2650 if (rc == NGX_DECLINED) { |
2651 return NGX_OK; | |
2652 } | |
2653 | |
509 | 2654 #if (NGX_DEBUG) |
2655 if (rc == NGX_OK) { | |
2656 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2657 "rewritten refresh: \"%V\"", &ho->value); | |
2658 } | |
2659 #endif | |
2660 | |
2661 return rc; | |
2662 } | |
2663 | |
2664 return NGX_OK; | |
2665 } | |
2666 | |
2667 | |
2668 #if (NGX_HTTP_GZIP) | |
2669 | |
2670 static ngx_int_t | |
2671 ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
2672 ngx_table_elt_t *h, ngx_uint_t offset) | |
2673 { | |
2674 ngx_table_elt_t *ho; | |
2675 | |
2676 ho = ngx_list_push(&r->headers_out.headers); | |
2677 if (ho == NULL) { | |
2678 return NGX_ERROR; | |
2679 } | |
2680 | |
2681 *ho = *h; | |
2682 | |
2683 r->headers_out.content_encoding = ho; | |
2684 | |
2685 return NGX_OK; | |
2686 } | |
2687 | |
2688 #endif | |
2689 | |
2690 | |
487 | 2691 static ngx_int_t |
573 | 2692 ngx_http_upstream_add_variables(ngx_conf_t *cf) |
479 | 2693 { |
880 | 2694 ngx_http_variable_t *var, *v; |
479 | 2695 |
573 | 2696 for (v = ngx_http_upstream_vars; v->name.len; v++) { |
2697 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
2698 if (var == NULL) { | |
2699 return NGX_ERROR; | |
2700 } | |
2701 | |
637 | 2702 var->get_handler = v->get_handler; |
573 | 2703 var->data = v->data; |
2704 } | |
2705 | |
479 | 2706 return NGX_OK; |
2707 } | |
509 | 2708 |
2709 | |
573 | 2710 static ngx_int_t |
1181 | 2711 ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
2712 ngx_http_variable_value_t *v, uintptr_t data) | |
2713 { | |
2714 u_char *p; | |
2715 size_t len; | |
2716 ngx_uint_t i; | |
2717 ngx_http_upstream_state_t *state; | |
2718 | |
2719 v->valid = 1; | |
1714 | 2720 v->no_cacheable = 0; |
1181 | 2721 v->not_found = 0; |
2722 | |
2723 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { | |
2724 v->not_found = 1; | |
2725 return NGX_OK; | |
2726 } | |
2727 | |
2728 len = 0; | |
2729 state = r->upstream_states->elts; | |
2730 | |
2731 for (i = 0; i < r->upstream_states->nelts; i++) { | |
2732 if (state[i].peer) { | |
2733 len += state[i].peer->len + 2; | |
2734 | |
2735 } else { | |
2736 len += 3; | |
2737 } | |
2738 } | |
2739 | |
2740 p = ngx_palloc(r->pool, len); | |
2741 if (p == NULL) { | |
2742 return NGX_ERROR; | |
2743 } | |
2744 | |
2745 v->data = p; | |
2746 | |
2747 i = 0; | |
2748 | |
2749 for ( ;; ) { | |
2750 if (state[i].peer) { | |
2751 p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len); | |
2752 } | |
2753 | |
2754 if (++i == r->upstream_states->nelts) { | |
2755 break; | |
2756 } | |
2757 | |
2758 if (state[i].peer) { | |
2759 *p++ = ','; | |
2760 *p++ = ' '; | |
2761 | |
2762 } else { | |
2763 *p++ = ' '; | |
2764 *p++ = ':'; | |
2765 *p++ = ' '; | |
2766 | |
2767 if (++i == r->upstream_states->nelts) { | |
2768 break; | |
2769 } | |
2770 | |
2771 continue; | |
2772 } | |
2773 } | |
2774 | |
2775 v->len = p - v->data; | |
2776 | |
2777 return NGX_OK; | |
2778 } | |
2779 | |
2780 | |
2781 static ngx_int_t | |
573 | 2782 ngx_http_upstream_status_variable(ngx_http_request_t *r, |
2783 ngx_http_variable_value_t *v, uintptr_t data) | |
2784 { | |
2785 u_char *p; | |
2786 size_t len; | |
2787 ngx_uint_t i; | |
2788 ngx_http_upstream_state_t *state; | |
2789 | |
2790 v->valid = 1; | |
1714 | 2791 v->no_cacheable = 0; |
573 | 2792 v->not_found = 0; |
2793 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2794 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
573 | 2795 v->not_found = 1; |
2796 return NGX_OK; | |
2797 } | |
2798 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2799 len = r->upstream_states->nelts * (3 + 2); |
573 | 2800 |
2801 p = ngx_palloc(r->pool, len); | |
2802 if (p == NULL) { | |
2803 return NGX_ERROR; | |
2804 } | |
2805 | |
2806 v->data = p; | |
2807 | |
2808 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
|
2809 state = r->upstream_states->elts; |
573 | 2810 |
2811 for ( ;; ) { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2812 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
|
2813 p = ngx_sprintf(p, "%ui", state[i].status); |
573 | 2814 |
2815 } else { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2816 *p++ = '-'; |
573 | 2817 } |
2818 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2819 if (++i == r->upstream_states->nelts) { |
573 | 2820 break; |
2821 } | |
2822 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2823 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
|
2824 *p++ = ','; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2825 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2826 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2827 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2828 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2829 *p++ = ':'; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2830 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2831 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2832 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
|
2833 break; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2834 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2835 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2836 continue; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2837 } |
573 | 2838 } |
2839 | |
2840 v->len = p - v->data; | |
2841 | |
2842 return NGX_OK; | |
2843 } | |
2844 | |
2845 | |
2846 static ngx_int_t | |
2847 ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
2848 ngx_http_variable_value_t *v, uintptr_t data) | |
2849 { | |
2850 u_char *p; | |
2851 size_t len; | |
2852 ngx_uint_t i; | |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2853 ngx_msec_int_t ms; |
573 | 2854 ngx_http_upstream_state_t *state; |
2855 | |
2856 v->valid = 1; | |
1714 | 2857 v->no_cacheable = 0; |
573 | 2858 v->not_found = 0; |
2859 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2860 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
573 | 2861 v->not_found = 1; |
2862 return NGX_OK; | |
2863 } | |
2864 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2865 len = r->upstream_states->nelts * (NGX_TIME_T_LEN + 4 + 2); |
573 | 2866 |
2867 p = ngx_palloc(r->pool, len); | |
2868 if (p == NULL) { | |
2869 return NGX_ERROR; | |
2870 } | |
2871 | |
2872 v->data = p; | |
2873 | |
2874 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
|
2875 state = r->upstream_states->elts; |
573 | 2876 |
2877 for ( ;; ) { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2878 if (state[i].status) { |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2879 ms = state[i].response_sec * 1000 + state[i].response_msec; |
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2880 ms = (ms >= 0) ? ms : 0; |
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2881 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
|
2882 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2883 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2884 *p++ = '-'; |
573 | 2885 } |
2886 | |
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 (++i == r->upstream_states->nelts) { |
573 | 2888 break; |
2889 } | |
2890 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2891 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
|
2892 *p++ = ','; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2893 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2894 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2895 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2896 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2897 *p++ = ':'; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2898 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2899 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2900 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
|
2901 break; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2902 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2903 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2904 continue; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2905 } |
573 | 2906 } |
2907 | |
2908 v->len = p - v->data; | |
2909 | |
2910 return NGX_OK; | |
2911 } | |
2912 | |
2913 | |
1162 | 2914 ngx_int_t |
2915 ngx_http_upstream_header_variable(ngx_http_request_t *r, | |
2916 ngx_http_variable_value_t *v, uintptr_t data) | |
2917 { | |
2918 if (r->upstream == NULL) { | |
2919 v->not_found = 1; | |
2920 return NGX_OK; | |
2921 } | |
2922 | |
2923 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
2924 &r->upstream->headers_in.headers.part, | |
2925 sizeof("upstream_http_") - 1); | |
2926 } | |
2927 | |
2928 | |
651 | 2929 static char * |
2930 ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) | |
2931 { | |
884 | 2932 char *rv; |
2933 void *mconf; | |
2934 ngx_str_t *value; | |
2935 ngx_url_t u; | |
2936 ngx_uint_t m; | |
2937 ngx_conf_t pcf; | |
2938 ngx_http_module_t *module; | |
2939 ngx_http_conf_ctx_t *ctx, *http_ctx; | |
2940 ngx_http_upstream_srv_conf_t *uscf; | |
2941 | |
2942 ngx_memzero(&u, sizeof(ngx_url_t)); | |
2943 | |
2944 value = cf->args->elts; | |
2945 u.host = value[1]; | |
2946 u.no_resolve = 1; | |
2947 | |
2948 uscf = ngx_http_upstream_add(cf, &u, NGX_HTTP_UPSTREAM_CREATE | |
2949 |NGX_HTTP_UPSTREAM_WEIGHT | |
2950 |NGX_HTTP_UPSTREAM_MAX_FAILS | |
2951 |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT | |
2952 |NGX_HTTP_UPSTREAM_DOWN | |
2953 |NGX_HTTP_UPSTREAM_BACKUP); | |
2954 if (uscf == NULL) { | |
2955 return NGX_CONF_ERROR; | |
2956 } | |
2957 | |
651 | 2958 |
2959 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); | |
2960 if (ctx == NULL) { | |
2961 return NGX_CONF_ERROR; | |
2962 } | |
2963 | |
884 | 2964 http_ctx = cf->ctx; |
2965 ctx->main_conf = http_ctx->main_conf; | |
651 | 2966 |
2967 /* the upstream{}'s srv_conf */ | |
2968 | |
2969 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
2970 if (ctx->srv_conf == NULL) { | |
2971 return NGX_CONF_ERROR; | |
2972 } | |
2973 | |
2974 ctx->srv_conf[ngx_http_upstream_module.ctx_index] = uscf; | |
2975 | |
884 | 2976 uscf->srv_conf = ctx->srv_conf; |
2977 | |
651 | 2978 |
2979 /* the upstream{}'s loc_conf */ | |
2980 | |
2981 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
2982 if (ctx->loc_conf == NULL) { | |
2983 return NGX_CONF_ERROR; | |
2984 } | |
2985 | |
2986 for (m = 0; ngx_modules[m]; m++) { | |
2987 if (ngx_modules[m]->type != NGX_HTTP_MODULE) { | |
2988 continue; | |
2989 } | |
2990 | |
2991 module = ngx_modules[m]->ctx; | |
2992 | |
884 | 2993 if (module->create_srv_conf) { |
2994 mconf = module->create_srv_conf(cf); | |
2995 if (mconf == NULL) { | |
2996 return NGX_CONF_ERROR; | |
2997 } | |
2998 | |
2999 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
3000 } | |
3001 | |
651 | 3002 if (module->create_loc_conf) { |
3003 mconf = module->create_loc_conf(cf); | |
3004 if (mconf == NULL) { | |
3005 return NGX_CONF_ERROR; | |
3006 } | |
3007 | |
3008 ctx->loc_conf[ngx_modules[m]->ctx_index] = mconf; | |
3009 } | |
3010 } | |
3011 | |
3012 | |
3013 /* parse inside upstream{} */ | |
3014 | |
3015 pcf = *cf; | |
3016 cf->ctx = ctx; | |
3017 cf->cmd_type = NGX_HTTP_UPS_CONF; | |
3018 | |
3019 rv = ngx_conf_parse(cf, NULL); | |
3020 | |
3021 *cf = pcf; | |
3022 | |
3023 if (rv != NGX_CONF_OK) { | |
3024 return rv; | |
3025 } | |
3026 | |
3027 if (uscf->servers == NULL) { | |
3028 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3029 "no servers are inside upstream"); | |
3030 return NGX_CONF_ERROR; | |
3031 } | |
3032 | |
3033 return rv; | |
3034 } | |
3035 | |
3036 | |
3037 static char * | |
3038 ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
3039 { | |
3040 ngx_http_upstream_srv_conf_t *uscf = conf; | |
3041 | |
884 | 3042 time_t fail_timeout; |
3043 ngx_str_t *value, s; | |
3044 ngx_url_t u; | |
3045 ngx_int_t weight, max_fails; | |
3046 ngx_uint_t i; | |
3047 ngx_http_upstream_server_t *us; | |
651 | 3048 |
3049 if (uscf->servers == NULL) { | |
884 | 3050 uscf->servers = ngx_array_create(cf->pool, 4, |
3051 sizeof(ngx_http_upstream_server_t)); | |
651 | 3052 if (uscf->servers == NULL) { |
3053 return NGX_CONF_ERROR; | |
3054 } | |
3055 } | |
3056 | |
884 | 3057 us = ngx_array_push(uscf->servers); |
3058 if (us == NULL) { | |
651 | 3059 return NGX_CONF_ERROR; |
3060 } | |
3061 | |
884 | 3062 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); |
3063 | |
651 | 3064 value = cf->args->elts; |
3065 | |
3066 ngx_memzero(&u, sizeof(ngx_url_t)); | |
3067 | |
3068 u.url = value[1]; | |
906 | 3069 u.default_port = 80; |
651 | 3070 |
1710 | 3071 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
651 | 3072 if (u.err) { |
3073 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3074 "%s in upstream \"%V\"", u.err, &u.url); | |
3075 } | |
3076 | |
3077 return NGX_CONF_ERROR; | |
3078 } | |
3079 | |
663 | 3080 weight = 1; |
884 | 3081 max_fails = 1; |
3082 fail_timeout = 10; | |
3083 | |
3084 for (i = 2; i < cf->args->nelts; i++) { | |
3085 | |
3086 if (ngx_strncmp(value[i].data, "weight=", 7) == 0) { | |
3087 | |
3088 if (!(uscf->flags & NGX_HTTP_UPSTREAM_WEIGHT)) { | |
3089 goto invalid; | |
3090 } | |
3091 | |
3092 weight = ngx_atoi(&value[i].data[7], value[i].len - 7); | |
663 | 3093 |
3094 if (weight == NGX_ERROR || weight == 0) { | |
3095 goto invalid; | |
3096 } | |
3097 | |
884 | 3098 continue; |
3099 } | |
3100 | |
3101 if (ngx_strncmp(value[i].data, "max_fails=", 10) == 0) { | |
3102 | |
3103 if (!(uscf->flags & NGX_HTTP_UPSTREAM_MAX_FAILS)) { | |
3104 goto invalid; | |
3105 } | |
3106 | |
3107 max_fails = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
3108 | |
3109 if (max_fails == NGX_ERROR) { | |
3110 goto invalid; | |
3111 } | |
3112 | |
3113 continue; | |
663 | 3114 } |
884 | 3115 |
3116 if (ngx_strncmp(value[i].data, "fail_timeout=", 13) == 0) { | |
3117 | |
3118 if (!(uscf->flags & NGX_HTTP_UPSTREAM_FAIL_TIMEOUT)) { | |
3119 goto invalid; | |
3120 } | |
3121 | |
3122 s.len = value[i].len - 13; | |
3123 s.data = &value[i].data[13]; | |
3124 | |
3125 fail_timeout = ngx_parse_time(&s, 1); | |
3126 | |
3127 if (fail_timeout < 0) { | |
3128 goto invalid; | |
3129 } | |
3130 | |
3131 continue; | |
3132 } | |
3133 | |
3134 if (ngx_strncmp(value[i].data, "down", 4) == 0) { | |
3135 | |
3136 if (!(uscf->flags & NGX_HTTP_UPSTREAM_DOWN)) { | |
3137 goto invalid; | |
3138 } | |
3139 | |
3140 us->down = 1; | |
3141 | |
3142 continue; | |
3143 } | |
3144 | |
3145 goto invalid; | |
663 | 3146 } |
3147 | |
884 | 3148 us->addrs = u.addrs; |
3149 us->naddrs = u.naddrs; | |
3150 us->weight = weight; | |
3151 us->max_fails = max_fails; | |
3152 us->fail_timeout = fail_timeout; | |
651 | 3153 |
3154 return NGX_CONF_OK; | |
663 | 3155 |
3156 invalid: | |
3157 | |
884 | 3158 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3159 "invalid parameter \"%V\"", &value[i]); | |
663 | 3160 |
3161 return NGX_CONF_ERROR; | |
651 | 3162 } |
3163 | |
3164 | |
3165 ngx_http_upstream_srv_conf_t * | |
884 | 3166 ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags) |
651 | 3167 { |
3168 ngx_uint_t i; | |
884 | 3169 ngx_http_upstream_server_t *us; |
651 | 3170 ngx_http_upstream_srv_conf_t *uscf, **uscfp; |
3171 ngx_http_upstream_main_conf_t *umcf; | |
3172 | |
884 | 3173 if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) { |
3174 | |
1710 | 3175 if (ngx_parse_url(cf->pool, u) != NGX_OK) { |
651 | 3176 if (u->err) { |
3177 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3178 "%s in upstream \"%V\"", u->err, &u->url); | |
3179 } | |
3180 | |
3181 return NULL; | |
3182 } | |
3183 } | |
3184 | |
3185 umcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_upstream_module); | |
3186 | |
3187 uscfp = umcf->upstreams.elts; | |
3188 | |
3189 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
906 | 3190 |
3191 if (uscfp[i]->host.len != u->host.len | |
884 | 3192 || ngx_strncasecmp(uscfp[i]->host.data, u->host.data, u->host.len) |
3193 != 0) | |
3194 { | |
651 | 3195 continue; |
3196 } | |
3197 | |
884 | 3198 if ((flags & NGX_HTTP_UPSTREAM_CREATE) |
3199 && (uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE)) | |
651 | 3200 { |
884 | 3201 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3202 "duplicate upstream \"%V\"", &u->host); | |
3203 return NULL; | |
651 | 3204 } |
884 | 3205 |
906 | 3206 if ((uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE) && u->port) { |
884 | 3207 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
906 | 3208 "upstream \"%V\" may not have port %d", |
3209 &u->host, u->port); | |
3210 return NULL; | |
3211 } | |
3212 | |
3213 if ((flags & NGX_HTTP_UPSTREAM_CREATE) && uscfp[i]->port) { | |
3214 ngx_log_error(NGX_LOG_WARN, cf->log, 0, | |
3215 "upstream \"%V\" may not have port %d in %s:%ui", | |
3216 &u->host, uscfp[i]->port, | |
1533 | 3217 uscfp[i]->file_name, uscfp[i]->line); |
906 | 3218 return NULL; |
3219 } | |
3220 | |
3221 if (uscfp[i]->port != u->port) { | |
3222 continue; | |
884 | 3223 } |
3224 | |
1504 | 3225 if (uscfp[i]->default_port && u->default_port |
3226 && uscfp[i]->default_port != u->default_port) | |
3227 { | |
3228 continue; | |
3229 } | |
3230 | |
884 | 3231 return uscfp[i]; |
651 | 3232 } |
3233 | |
3234 uscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_srv_conf_t)); | |
3235 if (uscf == NULL) { | |
3236 return NULL; | |
3237 } | |
3238 | |
884 | 3239 uscf->flags = flags; |
651 | 3240 uscf->host = u->host; |
1533 | 3241 uscf->file_name = cf->conf_file->file.name.data; |
651 | 3242 uscf->line = cf->conf_file->line; |
906 | 3243 uscf->port = u->port; |
3244 uscf->default_port = u->default_port; | |
884 | 3245 |
3246 if (u->naddrs == 1) { | |
3247 uscf->servers = ngx_array_create(cf->pool, 1, | |
3248 sizeof(ngx_http_upstream_server_t)); | |
3249 if (uscf->servers == NULL) { | |
3250 return NGX_CONF_ERROR; | |
3251 } | |
3252 | |
3253 us = ngx_array_push(uscf->servers); | |
3254 if (us == NULL) { | |
3255 return NGX_CONF_ERROR; | |
3256 } | |
3257 | |
3258 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); | |
3259 | |
3260 us->addrs = u->addrs; | |
3261 us->naddrs = u->naddrs; | |
3262 } | |
651 | 3263 |
3264 uscfp = ngx_array_push(&umcf->upstreams); | |
3265 if (uscfp == NULL) { | |
3266 return NULL; | |
3267 } | |
3268 | |
3269 *uscfp = uscf; | |
3270 | |
3271 return uscf; | |
3272 } | |
3273 | |
3274 | |
1990
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3275 ngx_int_t |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3276 ngx_http_upstream_hide_headers_hash(ngx_conf_t *cf, |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3277 ngx_http_upstream_conf_t *conf, ngx_http_upstream_conf_t *prev, |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3278 ngx_str_t *default_hide_headers, ngx_hash_init_t *hash) |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3279 { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3280 ngx_str_t *h; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3281 ngx_uint_t i, j; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3282 ngx_array_t hide_headers; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3283 ngx_hash_key_t *hk; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3284 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3285 if (conf->hide_headers == NGX_CONF_UNSET_PTR |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3286 && conf->pass_headers == NGX_CONF_UNSET_PTR) |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3287 { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3288 conf->hide_headers_hash = prev->hide_headers_hash; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3289 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3290 if (conf->hide_headers_hash.buckets) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3291 return NGX_OK; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3292 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3293 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3294 conf->hide_headers = prev->hide_headers; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3295 conf->pass_headers = prev->pass_headers; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3296 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3297 } else { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3298 if (conf->hide_headers == NGX_CONF_UNSET_PTR) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3299 conf->hide_headers = prev->hide_headers; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3300 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3301 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3302 if (conf->pass_headers == NGX_CONF_UNSET_PTR) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3303 conf->pass_headers = prev->pass_headers; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3304 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3305 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3306 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3307 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3308 != NGX_OK) |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3309 { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3310 return NGX_ERROR; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3311 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3312 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3313 for (h = default_hide_headers; h->len; h++) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3314 hk = ngx_array_push(&hide_headers); |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3315 if (hk == NULL) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3316 return NGX_ERROR; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3317 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3318 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3319 hk->key = *h; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3320 hk->key_hash = ngx_hash_key_lc(h->data, h->len); |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3321 hk->value = (void *) 1; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3322 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3323 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3324 if (conf->hide_headers != NGX_CONF_UNSET_PTR) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3325 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3326 h = conf->hide_headers->elts; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3327 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3328 for (i = 0; i < conf->hide_headers->nelts; i++) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3329 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3330 hk = hide_headers.elts; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3331 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3332 for (j = 0; j < hide_headers.nelts; j++) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3333 if (ngx_strcasecmp(h[i].data, hk[j].key.data) == 0) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3334 goto exist; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3335 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3336 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3337 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3338 hk = ngx_array_push(&hide_headers); |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3339 if (hk == NULL) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3340 return NGX_ERROR; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3341 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3342 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3343 hk->key = h[i]; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3344 hk->key_hash = ngx_hash_key_lc(h[i].data, h[i].len); |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3345 hk->value = (void *) 1; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3346 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3347 exist: |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3348 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3349 continue; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3350 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3351 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3352 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3353 if (conf->pass_headers != NGX_CONF_UNSET_PTR) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3354 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3355 h = conf->pass_headers->elts; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3356 hk = hide_headers.elts; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3357 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3358 for (i = 0; i < conf->pass_headers->nelts; i++) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3359 for (j = 0; j < hide_headers.nelts; j++) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3360 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3361 if (hk[j].key.data == NULL) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3362 continue; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3363 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3364 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3365 if (ngx_strcasecmp(h[i].data, hk[j].key.data) == 0) { |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3366 hk[j].key.data = NULL; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3367 break; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3368 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3369 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3370 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3371 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3372 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3373 hash->hash = &conf->hide_headers_hash; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3374 hash->key = ngx_hash_key_lc; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3375 hash->pool = cf->pool; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3376 hash->temp_pool = NULL; |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3377 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3378 return ngx_hash_init(hash, hide_headers.elts, hide_headers.nelts); |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3379 } |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3380 |
c7757ce0ae97
r1699, r1700, r1701, r1702, r1707 merge:
Igor Sysoev <igor@sysoev.ru>
parents:
1714
diff
changeset
|
3381 |
509 | 3382 static void * |
3383 ngx_http_upstream_create_main_conf(ngx_conf_t *cf) | |
3384 { | |
3385 ngx_http_upstream_main_conf_t *umcf; | |
3386 | |
3387 umcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_main_conf_t)); | |
3388 if (umcf == NULL) { | |
3389 return NULL; | |
3390 } | |
3391 | |
651 | 3392 if (ngx_array_init(&umcf->upstreams, cf->pool, 4, |
3393 sizeof(ngx_http_upstream_srv_conf_t *)) | |
3394 != NGX_OK) | |
3395 { | |
3396 return NGX_CONF_ERROR; | |
3397 } | |
3398 | |
509 | 3399 return umcf; |
3400 } | |
3401 | |
3402 | |
3403 static char * | |
651 | 3404 ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf) |
509 | 3405 { |
3406 ngx_http_upstream_main_conf_t *umcf = conf; | |
3407 | |
651 | 3408 ngx_uint_t i; |
3409 ngx_array_t headers_in; | |
3410 ngx_hash_key_t *hk; | |
3411 ngx_hash_init_t hash; | |
884 | 3412 ngx_http_upstream_init_pt init; |
651 | 3413 ngx_http_upstream_header_t *header; |
3414 ngx_http_upstream_srv_conf_t **uscfp; | |
3415 | |
3416 uscfp = umcf->upstreams.elts; | |
3417 | |
3418 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
884 | 3419 |
3420 init = uscfp[i]->peer.init_upstream ? uscfp[i]->peer.init_upstream: | |
3421 ngx_http_upstream_init_round_robin; | |
3422 | |
3423 if (init(cf, uscfp[i]) != NGX_OK) { | |
651 | 3424 return NGX_CONF_ERROR; |
3425 } | |
3426 } | |
649 | 3427 |
663 | 3428 |
884 | 3429 /* upstream_headers_in_hash */ |
3430 | |
649 | 3431 if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) |
3432 != NGX_OK) | |
509 | 3433 { |
3434 return NGX_CONF_ERROR; | |
3435 } | |
3436 | |
649 | 3437 for (header = ngx_http_upstream_headers_in; header->name.len; header++) { |
3438 hk = ngx_array_push(&headers_in); | |
3439 if (hk == NULL) { | |
3440 return NGX_CONF_ERROR; | |
3441 } | |
3442 | |
3443 hk->key = header->name; | |
3444 hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len); | |
3445 hk->value = header; | |
3446 } | |
3447 | |
3448 hash.hash = &umcf->headers_in_hash; | |
3449 hash.key = ngx_hash_key_lc; | |
3450 hash.max_size = 512; | |
751
bae59a740c40
align hash bucket size to cache line
Igor Sysoev <igor@sysoev.ru>
parents:
750
diff
changeset
|
3451 hash.bucket_size = ngx_align(64, ngx_cacheline_size); |
649 | 3452 hash.name = "upstream_headers_in_hash"; |
3453 hash.pool = cf->pool; | |
3454 hash.temp_pool = NULL; | |
3455 | |
3456 if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) { | |
3457 return NGX_CONF_ERROR; | |
3458 } | |
509 | 3459 |
3460 return NGX_CONF_OK; | |
3461 } |