Mercurial > hg > nginx
annotate src/http/ngx_http_upstream.c @ 1658:13f8dec720b5
proxy_pass variables support
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Tue, 27 Nov 2007 13:34:13 +0000 |
parents | e5c547a225bd |
children | 1e0b028055ec |
rev | line source |
---|---|
479 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_http.h> | |
10 | |
11 | |
1658 | 12 static void ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx); |
509 | 13 static void ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r); |
14 static void ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r); | |
15 static void ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
16 ngx_event_t *ev); | |
479 | 17 static void ngx_http_upstream_connect(ngx_http_request_t *r, |
487 | 18 ngx_http_upstream_t *u); |
509 | 19 static ngx_int_t ngx_http_upstream_reinit(ngx_http_request_t *r, |
487 | 20 ngx_http_upstream_t *u); |
479 | 21 static void ngx_http_upstream_send_request(ngx_http_request_t *r, |
487 | 22 ngx_http_upstream_t *u); |
479 | 23 static void ngx_http_upstream_send_request_handler(ngx_event_t *wev); |
24 static void ngx_http_upstream_process_header(ngx_event_t *rev); | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
25 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
|
26 static void ngx_http_upstream_process_body_in_memory(ngx_event_t *rev); |
479 | 27 static void ngx_http_upstream_send_response(ngx_http_request_t *r, |
487 | 28 ngx_http_upstream_t *u); |
581 | 29 static void |
30 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r); | |
31 static void ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev); | |
32 static ngx_int_t ngx_http_upstream_non_buffered_filter_init(void *data); | |
33 static ngx_int_t ngx_http_upstream_non_buffered_filter(void *data, | |
34 ssize_t bytes); | |
509 | 35 static void ngx_http_upstream_process_downstream(ngx_http_request_t *r); |
479 | 36 static void ngx_http_upstream_process_body(ngx_event_t *ev); |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
37 static void ngx_http_upstream_store(ngx_http_request_t *r, |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
38 ngx_http_upstream_t *u); |
479 | 39 static void ngx_http_upstream_dummy_handler(ngx_event_t *wev); |
40 static void ngx_http_upstream_next(ngx_http_request_t *r, | |
487 | 41 ngx_http_upstream_t *u, ngx_uint_t ft_type); |
569 | 42 static void ngx_http_upstream_cleanup(void *data); |
479 | 43 static void ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
487 | 44 ngx_http_upstream_t *u, ngx_int_t rc); |
479 | 45 |
509 | 46 static ngx_int_t ngx_http_upstream_process_header_line(ngx_http_request_t *r, |
47 ngx_table_elt_t *h, ngx_uint_t offset); | |
48 static ngx_int_t | |
49 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
50 ngx_table_elt_t *h, ngx_uint_t offset); | |
51 static ngx_int_t ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, | |
52 ngx_table_elt_t *h, ngx_uint_t offset); | |
527 | 53 static ngx_int_t ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, |
54 ngx_table_elt_t *h, ngx_uint_t offset); | |
649 | 55 static ngx_int_t ngx_http_upstream_process_buffering(ngx_http_request_t *r, |
509 | 56 ngx_table_elt_t *h, ngx_uint_t offset); |
657 | 57 static ngx_int_t ngx_http_upstream_process_charset(ngx_http_request_t *r, |
58 ngx_table_elt_t *h, ngx_uint_t offset); | |
649 | 59 static ngx_int_t ngx_http_upstream_copy_header_line(ngx_http_request_t *r, |
509 | 60 ngx_table_elt_t *h, ngx_uint_t offset); |
61 static ngx_int_t | |
62 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
63 ngx_table_elt_t *h, ngx_uint_t offset); | |
64 static ngx_int_t ngx_http_upstream_copy_content_type(ngx_http_request_t *r, | |
65 ngx_table_elt_t *h, ngx_uint_t offset); | |
66 static ngx_int_t ngx_http_upstream_copy_content_length(ngx_http_request_t *r, | |
67 ngx_table_elt_t *h, ngx_uint_t offset); | |
68 static ngx_int_t ngx_http_upstream_rewrite_location(ngx_http_request_t *r, | |
69 ngx_table_elt_t *h, ngx_uint_t offset); | |
70 static ngx_int_t ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, | |
71 ngx_table_elt_t *h, ngx_uint_t offset); | |
72 #if (NGX_HTTP_GZIP) | |
73 static ngx_int_t ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
74 ngx_table_elt_t *h, ngx_uint_t offset); | |
75 #endif | |
76 | |
573 | 77 static ngx_int_t ngx_http_upstream_add_variables(ngx_conf_t *cf); |
1181 | 78 static ngx_int_t ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
79 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 80 static ngx_int_t ngx_http_upstream_status_variable(ngx_http_request_t *r, |
81 ngx_http_variable_value_t *v, uintptr_t data); | |
82 static ngx_int_t ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
83 ngx_http_variable_value_t *v, uintptr_t data); | |
84 | |
651 | 85 static char *ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy); |
86 static char *ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
87 void *conf); | |
88 | |
509 | 89 static void *ngx_http_upstream_create_main_conf(ngx_conf_t *cf); |
651 | 90 static char *ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf); |
509 | 91 |
577 | 92 #if (NGX_HTTP_SSL) |
591 | 93 static void ngx_http_upstream_ssl_init_connection(ngx_http_request_t *, |
94 ngx_http_upstream_t *u, ngx_connection_t *c); | |
577 | 95 static void ngx_http_upstream_ssl_handshake(ngx_connection_t *c); |
96 #endif | |
97 | |
509 | 98 |
99 ngx_http_upstream_header_t ngx_http_upstream_headers_in[] = { | |
100 | |
101 { ngx_string("Status"), | |
102 ngx_http_upstream_process_header_line, | |
103 offsetof(ngx_http_upstream_headers_in_t, status), | |
649 | 104 ngx_http_upstream_copy_header_line, 0, 0 }, |
509 | 105 |
106 { ngx_string("Content-Type"), | |
107 ngx_http_upstream_process_header_line, | |
108 offsetof(ngx_http_upstream_headers_in_t, content_type), | |
673 | 109 ngx_http_upstream_copy_content_type, 0, 1 }, |
509 | 110 |
111 { ngx_string("Content-Length"), | |
112 ngx_http_upstream_process_header_line, | |
113 offsetof(ngx_http_upstream_headers_in_t, content_length), | |
515 | 114 ngx_http_upstream_copy_content_length, 0, 0 }, |
509 | 115 |
116 { ngx_string("Date"), | |
117 ngx_http_upstream_process_header_line, | |
118 offsetof(ngx_http_upstream_headers_in_t, date), | |
649 | 119 ngx_http_upstream_copy_header_line, |
120 offsetof(ngx_http_headers_out_t, date), 0 }, | |
509 | 121 |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
122 { ngx_string("Last-Modified"), |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
123 ngx_http_upstream_process_header_line, |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
124 offsetof(ngx_http_upstream_headers_in_t, last_modified), |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
125 ngx_http_upstream_copy_header_line, |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
126 offsetof(ngx_http_headers_out_t, last_modified), 0 }, |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
127 |
509 | 128 { ngx_string("Server"), |
129 ngx_http_upstream_process_header_line, | |
130 offsetof(ngx_http_upstream_headers_in_t, server), | |
649 | 131 ngx_http_upstream_copy_header_line, |
132 offsetof(ngx_http_headers_out_t, server), 0 }, | |
509 | 133 |
529 | 134 { ngx_string("WWW-Authenticate"), |
135 ngx_http_upstream_process_header_line, | |
136 offsetof(ngx_http_upstream_headers_in_t, www_authenticate), | |
137 ngx_http_upstream_copy_header_line, 0, 0 }, | |
138 | |
509 | 139 { ngx_string("Location"), |
140 ngx_http_upstream_ignore_header_line, 0, | |
515 | 141 ngx_http_upstream_rewrite_location, 0, 0 }, |
509 | 142 |
143 { ngx_string("Refresh"), | |
144 ngx_http_upstream_ignore_header_line, 0, | |
515 | 145 ngx_http_upstream_rewrite_refresh, 0, 0 }, |
146 | |
147 { ngx_string("Set-Cookie"), | |
148 ngx_http_upstream_ignore_header_line, 0, | |
531 | 149 ngx_http_upstream_copy_header_line, 0, 1 }, |
150 | |
151 { ngx_string("Content-Disposition"), | |
152 ngx_http_upstream_ignore_header_line, 0, | |
153 ngx_http_upstream_copy_header_line, 0, 1 }, | |
509 | 154 |
155 { ngx_string("Cache-Control"), | |
156 ngx_http_upstream_process_multi_header_lines, | |
157 offsetof(ngx_http_upstream_headers_in_t, cache_control), | |
158 ngx_http_upstream_copy_multi_header_lines, | |
515 | 159 offsetof(ngx_http_headers_out_t, cache_control), 1 }, |
509 | 160 |
573 | 161 { ngx_string("Expires"), |
162 ngx_http_upstream_process_header_line, | |
163 offsetof(ngx_http_upstream_headers_in_t, expires), | |
164 ngx_http_upstream_copy_header_line, | |
165 offsetof(ngx_http_headers_out_t, expires), 1 }, | |
166 | |
577 | 167 { ngx_string("Accept-Ranges"), |
168 ngx_http_upstream_process_header_line, | |
169 offsetof(ngx_http_upstream_headers_in_t, accept_ranges), | |
170 ngx_http_upstream_copy_header_line, | |
171 offsetof(ngx_http_headers_out_t, accept_ranges), 1 }, | |
172 | |
509 | 173 { ngx_string("Connection"), |
174 ngx_http_upstream_ignore_header_line, 0, | |
515 | 175 ngx_http_upstream_ignore_header_line, 0, 0 }, |
509 | 176 |
641 | 177 { ngx_string("Keep-Alive"), |
178 ngx_http_upstream_ignore_header_line, 0, | |
179 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
180 | |
509 | 181 { ngx_string("X-Powered-By"), |
182 ngx_http_upstream_ignore_header_line, 0, | |
649 | 183 ngx_http_upstream_copy_header_line, 0, 0 }, |
509 | 184 |
185 { ngx_string("X-Accel-Expires"), | |
186 ngx_http_upstream_process_header_line, | |
187 offsetof(ngx_http_upstream_headers_in_t, x_accel_expires), | |
649 | 188 ngx_http_upstream_copy_header_line, 0, 0 }, |
515 | 189 |
190 { ngx_string("X-Accel-Redirect"), | |
191 ngx_http_upstream_process_header_line, | |
192 offsetof(ngx_http_upstream_headers_in_t, x_accel_redirect), | |
193 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
509 | 194 |
527 | 195 { ngx_string("X-Accel-Limit-Rate"), |
196 ngx_http_upstream_process_limit_rate, 0, | |
197 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
198 | |
649 | 199 { ngx_string("X-Accel-Buffering"), |
200 ngx_http_upstream_process_buffering, 0, | |
201 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
202 | |
657 | 203 { ngx_string("X-Accel-Charset"), |
204 ngx_http_upstream_process_charset, 0, | |
205 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
206 | |
509 | 207 #if (NGX_HTTP_GZIP) |
208 { ngx_string("Content-Encoding"), | |
209 ngx_http_upstream_process_header_line, | |
210 offsetof(ngx_http_upstream_headers_in_t, content_encoding), | |
515 | 211 ngx_http_upstream_copy_content_encoding, 0, 0 }, |
509 | 212 #endif |
213 | |
515 | 214 { ngx_null_string, NULL, 0, NULL, 0, 0 } |
509 | 215 }; |
479 | 216 |
217 | |
651 | 218 static ngx_command_t ngx_http_upstream_commands[] = { |
219 | |
220 { ngx_string("upstream"), | |
221 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1, | |
222 ngx_http_upstream, | |
223 0, | |
224 0, | |
225 NULL }, | |
226 | |
227 { ngx_string("server"), | |
884 | 228 NGX_HTTP_UPS_CONF|NGX_CONF_1MORE, |
651 | 229 ngx_http_upstream_server, |
230 NGX_HTTP_SRV_CONF_OFFSET, | |
231 0, | |
232 NULL }, | |
233 | |
234 ngx_null_command | |
235 }; | |
236 | |
237 | |
238 static ngx_http_module_t ngx_http_upstream_module_ctx = { | |
573 | 239 ngx_http_upstream_add_variables, /* preconfiguration */ |
509 | 240 NULL, /* postconfiguration */ |
241 | |
242 ngx_http_upstream_create_main_conf, /* create main configuration */ | |
651 | 243 ngx_http_upstream_init_main_conf, /* init main configuration */ |
479 | 244 |
245 NULL, /* create server configuration */ | |
246 NULL, /* merge server configuration */ | |
247 | |
248 NULL, /* create location configuration */ | |
249 NULL /* merge location configuration */ | |
250 }; | |
577 | 251 |
479 | 252 |
253 ngx_module_t ngx_http_upstream_module = { | |
509 | 254 NGX_MODULE_V1, |
479 | 255 &ngx_http_upstream_module_ctx, /* module context */ |
651 | 256 ngx_http_upstream_commands, /* module directives */ |
479 | 257 NGX_HTTP_MODULE, /* module type */ |
541 | 258 NULL, /* init master */ |
479 | 259 NULL, /* init module */ |
541 | 260 NULL, /* init process */ |
261 NULL, /* init thread */ | |
262 NULL, /* exit thread */ | |
263 NULL, /* exit process */ | |
264 NULL, /* exit master */ | |
265 NGX_MODULE_V1_PADDING | |
479 | 266 }; |
267 | |
268 | |
573 | 269 static ngx_http_variable_t ngx_http_upstream_vars[] = { |
270 | |
1181 | 271 { ngx_string("upstream_addr"), NULL, |
272 ngx_http_upstream_addr_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, | |
273 | |
637 | 274 { ngx_string("upstream_status"), NULL, |
583 | 275 ngx_http_upstream_status_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
573 | 276 |
637 | 277 { ngx_string("upstream_response_time"), NULL, |
583 | 278 ngx_http_upstream_response_time_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
573 | 279 |
637 | 280 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
573 | 281 }; |
282 | |
283 | |
487 | 284 void |
285 ngx_http_upstream_init(ngx_http_request_t *r) | |
479 | 286 { |
1658 | 287 ngx_str_t *host; |
288 ngx_uint_t i; | |
289 ngx_connection_t *c; | |
290 ngx_resolver_ctx_t *ctx, temp; | |
291 ngx_http_cleanup_t *cln; | |
292 ngx_http_upstream_t *u; | |
293 ngx_http_core_loc_conf_t *clcf; | |
294 ngx_http_upstream_srv_conf_t *uscf, **uscfp; | |
295 ngx_http_upstream_main_conf_t *umcf; | |
479 | 296 |
297 c = r->connection; | |
298 | |
299 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
300 "http init upstream, client timer: %d", c->read->timer_set); | |
301 | |
302 if (c->read->timer_set) { | |
303 ngx_del_timer(c->read); | |
304 } | |
305 | |
629 | 306 u = r->upstream; |
307 | |
308 if (!r->post_action && !u->conf->ignore_client_abort) { | |
615 | 309 r->read_event_handler = ngx_http_upstream_rd_check_broken_connection; |
310 r->write_event_handler = ngx_http_upstream_wr_check_broken_connection; | |
311 } | |
577 | 312 |
479 | 313 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { |
314 | |
315 if (!c->write->active) { | |
531 | 316 if (ngx_add_event(c->write, NGX_WRITE_EVENT, NGX_CLEAR_EVENT) |
317 == NGX_ERROR) | |
479 | 318 { |
319 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
320 return; | |
321 } | |
322 } | |
323 } | |
324 | |
537 | 325 if (r->request_body) { |
326 u->request_bufs = r->request_body->bufs; | |
327 } | |
509 | 328 |
537 | 329 if (u->create_request(r) != NGX_OK) { |
479 | 330 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
331 return; | |
332 } | |
333 | |
509 | 334 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
479 | 335 |
1658 | 336 u->output.sendfile = c->sendfile; |
479 | 337 u->output.pool = r->pool; |
338 u->output.bufs.num = 1; | |
509 | 339 u->output.bufs.size = clcf->client_body_buffer_size; |
479 | 340 u->output.output_filter = ngx_chain_writer; |
341 u->output.filter_ctx = &u->writer; | |
342 | |
343 u->writer.pool = r->pool; | |
344 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
345 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
|
346 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
347 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
|
348 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
|
349 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
|
350 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
|
351 return; |
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 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
354 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
355 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
356 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
|
357 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
|
358 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
|
359 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
|
360 return; |
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 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
363 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); |
479 | 364 } |
365 | |
593 | 366 cln = ngx_http_cleanup_add(r, 0); |
569 | 367 if (cln == NULL) { |
368 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
369 return; | |
370 } | |
371 | |
372 cln->handler = ngx_http_upstream_cleanup; | |
373 cln->data = r; | |
374 u->cleanup = &cln->handler; | |
375 | |
1295
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
376 u->store = (u->conf->store || u->conf->store_lengths); |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
377 |
1658 | 378 if (u->resolved == NULL) { |
379 | |
380 uscf = u->conf->upstream; | |
381 | |
382 } else { | |
383 | |
384 host = &r->upstream->resolved->host; | |
385 | |
386 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
387 | |
388 uscfp = umcf->upstreams.elts; | |
389 | |
390 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
391 | |
392 uscf = uscfp[i]; | |
393 | |
394 if (uscf->host.len == host->len | |
395 && ngx_memcmp(uscf->host.data, host->data, host->len) == 0) | |
396 { | |
397 goto found; | |
398 } | |
399 } | |
400 | |
401 if (clcf->resolver == NULL) { | |
402 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
403 "no resolver defined to resolve %V", host); | |
404 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); | |
405 return; | |
406 } | |
407 | |
408 temp.name = *host; | |
409 | |
410 ctx = ngx_resolve_start(clcf->resolver, &temp); | |
411 if (ctx == NULL) { | |
412 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
413 return; | |
414 } | |
415 | |
416 ctx->name = *host; | |
417 ctx->type = NGX_RESOLVE_A; | |
418 ctx->handler = ngx_http_upstream_resolve_handler; | |
419 ctx->data = r; | |
420 ctx->timeout = clcf->resolver_timeout; | |
421 | |
422 u->resolved->ctx = ctx; | |
423 | |
424 if (ngx_resolve_name(ctx) != NGX_OK) { | |
425 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
426 return; | |
427 } | |
428 | |
429 return; | |
430 } | |
431 | |
432 found: | |
433 | |
434 if (uscf->peer.init(r, uscf) != NGX_OK) { | |
435 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
436 return; | |
437 } | |
438 | |
479 | 439 ngx_http_upstream_connect(r, u); |
440 } | |
441 | |
442 | |
487 | 443 static void |
1658 | 444 ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx) |
445 { | |
446 ngx_http_request_t *r; | |
447 ngx_http_upstream_resolved_t *ur; | |
448 | |
449 r = ctx->data; | |
450 | |
451 r->upstream->resolved->ctx = NULL; | |
452 | |
453 if (ctx->state) { | |
454 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
455 "%V could not be resolved (%i: %s)", | |
456 &ctx->name, ctx->state, | |
457 ngx_resolver_strerror(ctx->state)); | |
458 | |
459 ngx_resolve_name_done(ctx); | |
460 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); | |
461 return; | |
462 } | |
463 | |
464 ur = r->upstream->resolved; | |
465 ur->naddrs = ctx->naddrs; | |
466 ur->addrs = ctx->addrs; | |
467 | |
468 #if (NGX_DEBUG) | |
469 { | |
470 in_addr_t addr; | |
471 ngx_uint_t i; | |
472 | |
473 for (i = 0; i < ctx->naddrs; i++) { | |
474 addr = ntohl(ur->addrs[i]); | |
475 | |
476 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
477 "name was resolved to %ud.%ud.%ud.%ud", | |
478 (addr >> 24) & 0xff, (addr >> 16) & 0xff, | |
479 (addr >> 8) & 0xff, addr & 0xff); | |
480 } | |
481 } | |
482 #endif | |
483 | |
484 if (ngx_http_upstream_create_round_robin_peer(r, ur) != NGX_OK) { | |
485 ngx_resolve_name_done(ctx); | |
486 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
487 return; | |
488 } | |
489 | |
490 ngx_resolve_name_done(ctx); | |
491 | |
492 ngx_http_upstream_connect(r, r->upstream); | |
493 } | |
494 | |
495 | |
496 static void | |
509 | 497 ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r) |
498 { | |
499 ngx_http_upstream_check_broken_connection(r, r->connection->read); | |
500 } | |
501 | |
502 | |
503 static void | |
504 ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r) | |
505 { | |
506 ngx_http_upstream_check_broken_connection(r, r->connection->write); | |
507 } | |
508 | |
509 | |
510 static void | |
511 ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
512 ngx_event_t *ev) | |
479 | 513 { |
514 int n; | |
515 char buf[1]; | |
577 | 516 ngx_err_t err; |
479 | 517 ngx_connection_t *c; |
518 ngx_http_upstream_t *u; | |
519 | |
527 | 520 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
521 "http upstream check client, write event:%d, \"%V\"", | |
522 ev->write, &r->uri); | |
479 | 523 |
509 | 524 c = r->connection; |
483 | 525 u = r->upstream; |
526 | |
583 | 527 if (c->error) { |
527 | 528 ngx_http_upstream_finalize_request(r, u, |
529 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
530 return; | |
531 } | |
532 | |
483 | 533 if (u->peer.connection == NULL) { |
534 return; | |
535 } | |
536 | |
479 | 537 #if (NGX_HAVE_KQUEUE) |
538 | |
539 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
540 | |
541 if (!ev->pending_eof) { | |
542 return; | |
543 } | |
544 | |
545 ev->eof = 1; | |
583 | 546 c->error = 1; |
479 | 547 |
548 if (ev->kq_errno) { | |
549 ev->error = 1; | |
550 } | |
551 | |
1565 | 552 if (!u->cacheable && !u->store && u->peer.connection) { |
479 | 553 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, |
527 | 554 "kevent() reported that client closed prematurely " |
555 "connection, so upstream connection is closed too"); | |
479 | 556 ngx_http_upstream_finalize_request(r, u, |
557 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
558 return; | |
559 } | |
560 | |
561 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, | |
562 "kevent() reported that client closed " | |
563 "prematurely connection"); | |
564 | |
565 if (u->peer.connection == NULL) { | |
566 ngx_http_upstream_finalize_request(r, u, | |
567 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
568 return; | |
569 } | |
570 | |
571 return; | |
572 } | |
573 | |
574 #endif | |
575 | |
576 n = recv(c->fd, buf, 1, MSG_PEEK); | |
577 | |
578 err = ngx_socket_errno; | |
579 | |
1109 | 580 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, err, |
581 "http upstream recv(): %d", n); | |
582 | |
479 | 583 /* |
584 * we do not need to disable the write event because | |
585 * that event has NGX_USE_CLEAR_EVENT type | |
586 */ | |
587 | |
588 if (ev->write && (n >= 0 || err == NGX_EAGAIN)) { | |
589 return; | |
590 } | |
591 | |
592 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { | |
593 if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { | |
594 ngx_http_upstream_finalize_request(r, u, | |
595 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
596 return; | |
597 } | |
598 } | |
599 | |
600 if (n > 0) { | |
601 return; | |
602 } | |
603 | |
604 if (n == -1) { | |
605 if (err == NGX_EAGAIN) { | |
606 return; | |
607 } | |
608 | |
609 ev->error = 1; | |
610 | |
483 | 611 } else { /* n == 0 */ |
479 | 612 err = 0; |
613 } | |
614 | |
529 | 615 ev->eof = 1; |
583 | 616 c->error = 1; |
529 | 617 |
1565 | 618 if (!u->cacheable && !u->store && u->peer.connection) { |
479 | 619 ngx_log_error(NGX_LOG_INFO, ev->log, err, |
620 "client closed prematurely connection, " | |
621 "so upstream connection is closed too"); | |
622 ngx_http_upstream_finalize_request(r, u, | |
623 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
624 return; | |
625 } | |
626 | |
627 ngx_log_error(NGX_LOG_INFO, ev->log, err, | |
628 "client closed prematurely connection"); | |
629 | |
630 if (u->peer.connection == NULL) { | |
631 ngx_http_upstream_finalize_request(r, u, | |
632 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
633 return; | |
634 } | |
635 } | |
636 | |
637 | |
487 | 638 static void |
639 ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
479 | 640 { |
591 | 641 ngx_int_t rc; |
665 | 642 ngx_time_t *tp; |
591 | 643 ngx_connection_t *c; |
479 | 644 |
483 | 645 r->connection->log->action = "connecting to upstream"; |
479 | 646 |
647 r->connection->single_connection = 0; | |
648 | |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
649 if (u->state && u->state->response_sec) { |
665 | 650 tp = ngx_timeofday(); |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
651 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
|
652 u->state->response_msec = tp->msec - u->state->response_msec; |
665 | 653 } |
654 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
655 u->state = ngx_array_push(r->upstream_states); |
665 | 656 if (u->state == NULL) { |
657 ngx_http_upstream_finalize_request(r, u, | |
658 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
659 return; | |
660 } | |
661 | |
662 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); | |
663 | |
664 tp = ngx_timeofday(); | |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
665 u->state->response_sec = tp->sec; |
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
666 u->state->response_msec = tp->msec; |
1658 | 667 u->state->peer = u->peer.name; |
665 | 668 |
479 | 669 rc = ngx_event_connect_peer(&u->peer); |
670 | |
671 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
672 "http upstream connect: %i", rc); | |
673 | |
674 if (rc == NGX_ERROR) { | |
675 ngx_http_upstream_finalize_request(r, u, | |
676 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
677 return; | |
678 } | |
679 | |
543 | 680 if (rc == NGX_BUSY) { |
681 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no live upstreams"); | |
1378 | 682 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_NOLIVE); |
683 return; | |
543 | 684 } |
685 | |
1378 | 686 if (rc == NGX_DECLINED) { |
479 | 687 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
688 return; | |
689 } | |
690 | |
577 | 691 /* rc == NGX_OK || rc == NGX_AGAIN */ |
692 | |
479 | 693 c = u->peer.connection; |
694 | |
695 c->data = r; | |
591 | 696 |
509 | 697 c->write->handler = ngx_http_upstream_send_request_handler; |
698 c->read->handler = ngx_http_upstream_process_header; | |
479 | 699 |
1397
6c25a49e548a
upstream sendfile bit was overridden by r->connection->sendfile
Igor Sysoev <igor@sysoev.ru>
parents:
1378
diff
changeset
|
700 c->sendfile &= r->connection->sendfile; |
479 | 701 |
702 c->pool = r->pool; | |
703 c->read->log = c->write->log = c->log = r->connection->log; | |
704 | |
705 /* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */ | |
706 | |
707 u->writer.out = NULL; | |
708 u->writer.last = &u->writer.out; | |
709 u->writer.connection = c; | |
710 u->writer.limit = 0; | |
711 | |
712 if (u->request_sent) { | |
509 | 713 if (ngx_http_upstream_reinit(r, u) != NGX_OK) { |
714 ngx_http_upstream_finalize_request(r, u, | |
715 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
716 return; | |
717 } | |
479 | 718 } |
719 | |
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
|
720 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
|
721 && 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
|
722 && 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
|
723 && 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
|
724 { |
573 | 725 /* |
726 * the r->request_body->buf can be reused for one request only, | |
727 * the subrequests should allocate their own temporay bufs | |
728 */ | |
729 | |
730 u->output.free = ngx_alloc_chain_link(r->pool); | |
731 if (u->output.free == NULL) { | |
732 ngx_http_upstream_finalize_request(r, u, | |
733 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
734 return; | |
479 | 735 } |
573 | 736 |
737 u->output.free->buf = r->request_body->buf; | |
738 u->output.free->next = NULL; | |
739 u->output.allocated = 1; | |
740 | |
741 r->request_body->buf->pos = r->request_body->buf->start; | |
742 r->request_body->buf->last = r->request_body->buf->start; | |
743 r->request_body->buf->tag = u->output.tag; | |
479 | 744 } |
745 | |
746 u->request_sent = 0; | |
747 | |
748 if (rc == NGX_AGAIN) { | |
749 ngx_add_timer(c->write, u->conf->connect_timeout); | |
750 return; | |
751 } | |
752 | |
577 | 753 #if (NGX_HTTP_SSL) |
754 | |
1658 | 755 if (u->ssl && c->ssl == NULL) { |
591 | 756 ngx_http_upstream_ssl_init_connection(r, u, c); |
577 | 757 return; |
758 } | |
759 | |
760 #endif | |
761 | |
479 | 762 ngx_http_upstream_send_request(r, u); |
763 } | |
764 | |
765 | |
577 | 766 #if (NGX_HTTP_SSL) |
767 | |
768 static void | |
591 | 769 ngx_http_upstream_ssl_init_connection(ngx_http_request_t *r, |
770 ngx_http_upstream_t *u, ngx_connection_t *c) | |
771 { | |
884 | 772 ngx_int_t rc; |
591 | 773 |
774 if (ngx_ssl_create_connection(u->conf->ssl, c, | |
775 NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
776 == NGX_ERROR) | |
777 { | |
778 ngx_http_upstream_finalize_request(r, u, | |
779 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
780 return; | |
781 } | |
782 | |
783 c->sendfile = 0; | |
619 | 784 u->output.sendfile = 0; |
591 | 785 |
1284
be2b895d31e0
fix segfault when session was freed twice
Igor Sysoev <igor@sysoev.ru>
parents:
1259
diff
changeset
|
786 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { |
591 | 787 ngx_http_upstream_finalize_request(r, u, |
788 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
789 return; | |
790 } | |
791 | |
641 | 792 r->connection->log->action = "SSL handshaking to upstream"; |
793 | |
591 | 794 rc = ngx_ssl_handshake(c); |
795 | |
796 if (rc == NGX_AGAIN) { | |
797 c->ssl->handler = ngx_http_upstream_ssl_handshake; | |
798 return; | |
799 } | |
800 | |
801 ngx_http_upstream_ssl_handshake(c); | |
802 } | |
803 | |
804 | |
805 static void | |
577 | 806 ngx_http_upstream_ssl_handshake(ngx_connection_t *c) |
807 { | |
808 ngx_http_request_t *r; | |
809 ngx_http_upstream_t *u; | |
810 | |
811 r = c->data; | |
812 u = r->upstream; | |
813 | |
814 if (c->ssl->handshaked) { | |
815 | |
884 | 816 u->peer.save_session(&u->peer, u->peer.data); |
817 | |
577 | 818 c->write->handler = ngx_http_upstream_send_request_handler; |
819 c->read->handler = ngx_http_upstream_process_header; | |
820 | |
821 ngx_http_upstream_send_request(r, u); | |
822 | |
823 return; | |
824 } | |
825 | |
826 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
827 | |
828 } | |
829 | |
830 #endif | |
831 | |
832 | |
509 | 833 static ngx_int_t |
487 | 834 ngx_http_upstream_reinit(ngx_http_request_t *r, ngx_http_upstream_t *u) |
479 | 835 { |
836 ngx_chain_t *cl; | |
837 | |
509 | 838 if (u->reinit_request(r) != NGX_OK) { |
839 return NGX_ERROR; | |
840 } | |
841 | |
842 ngx_memzero(&r->upstream->headers_in, | |
843 sizeof(ngx_http_upstream_headers_in_t)); | |
844 | |
845 if (ngx_list_init(&r->upstream->headers_in.headers, r->pool, 8, | |
591 | 846 sizeof(ngx_table_elt_t)) |
847 != NGX_OK) | |
509 | 848 { |
849 return NGX_ERROR; | |
479 | 850 } |
851 | |
852 /* reinit the request chain */ | |
577 | 853 |
509 | 854 for (cl = u->request_bufs; cl; cl = cl->next) { |
479 | 855 cl->buf->pos = cl->buf->start; |
856 cl->buf->file_pos = 0; | |
857 } | |
858 | |
509 | 859 /* reinit the subrequest's ngx_output_chain() context */ |
860 | |
573 | 861 if (r->request_body && r->request_body->temp_file |
597 | 862 && r != r->main && u->output.buf) |
573 | 863 { |
864 u->output.free = ngx_alloc_chain_link(r->pool); | |
865 if (u->output.free == NULL) { | |
866 return NGX_ERROR; | |
509 | 867 } |
573 | 868 |
869 u->output.free->buf = u->output.buf; | |
870 u->output.free->next = NULL; | |
871 | |
872 u->output.buf->pos = u->output.buf->start; | |
873 u->output.buf->last = u->output.buf->start; | |
509 | 874 } |
479 | 875 |
876 u->output.buf = NULL; | |
877 u->output.in = NULL; | |
878 u->output.busy = NULL; | |
577 | 879 |
581 | 880 /* reinit u->buffer */ |
577 | 881 |
479 | 882 #if 0 |
883 if (u->cache) { | |
581 | 884 u->buffer.pos = u->buffer.start + u->cache->ctx.header_size; |
885 u->buffer.last = u->buffer.pos; | |
479 | 886 |
887 } else { | |
581 | 888 u->buffer.pos = u->buffer.start; |
889 u->buffer.last = u->buffer.start; | |
479 | 890 } |
891 #else | |
509 | 892 |
581 | 893 u->buffer.pos = u->buffer.start; |
894 u->buffer.last = u->buffer.start; | |
509 | 895 |
479 | 896 #endif |
897 | |
509 | 898 return NGX_OK; |
479 | 899 } |
900 | |
901 | |
487 | 902 static void |
903 ngx_http_upstream_send_request(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
479 | 904 { |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
905 ngx_int_t rc; |
483 | 906 ngx_connection_t *c; |
577 | 907 |
479 | 908 c = u->peer.connection; |
909 | |
910 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
911 "http upstream send request"); | |
912 | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
913 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
1166 | 914 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
|
915 return; |
479 | 916 } |
917 | |
483 | 918 c->log->action = "sending request to upstream"; |
479 | 919 |
509 | 920 rc = ngx_output_chain(&u->output, u->request_sent ? NULL : u->request_bufs); |
479 | 921 |
922 u->request_sent = 1; | |
923 | |
924 if (rc == NGX_ERROR) { | |
925 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
926 return; | |
927 } | |
928 | |
929 if (c->write->timer_set) { | |
930 ngx_del_timer(c->write); | |
931 } | |
932 | |
933 if (rc == NGX_AGAIN) { | |
934 ngx_add_timer(c->write, u->conf->send_timeout); | |
935 | |
936 if (ngx_handle_write_event(c->write, u->conf->send_lowat) == NGX_ERROR) | |
937 { | |
938 ngx_http_upstream_finalize_request(r, u, | |
939 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
940 return; | |
941 } | |
942 | |
943 return; | |
944 } | |
945 | |
946 /* rc == NGX_OK */ | |
947 | |
948 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) { | |
949 if (ngx_tcp_push(c->fd) == NGX_ERROR) { | |
950 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, | |
951 ngx_tcp_push_n " failed"); | |
952 ngx_http_upstream_finalize_request(r, u, | |
953 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
577 | 954 return; |
479 | 955 } |
956 | |
957 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET; | |
958 } | |
577 | 959 |
479 | 960 ngx_add_timer(c->read, u->conf->read_timeout); |
961 | |
962 #if 1 | |
963 if (c->read->ready) { | |
577 | 964 |
479 | 965 /* post aio operation */ |
966 | |
967 /* | |
968 * TODO comment | |
969 * although we can post aio operation just in the end | |
970 * of ngx_http_upstream_connect() CHECK IT !!! | |
971 * it's better to do here because we postpone header buffer allocation | |
972 */ | |
973 | |
974 ngx_http_upstream_process_header(c->read); | |
975 return; | |
976 } | |
977 #endif | |
978 | |
509 | 979 c->write->handler = ngx_http_upstream_dummy_handler; |
479 | 980 |
509 | 981 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
479 | 982 ngx_http_upstream_finalize_request(r, u, |
983 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
984 return; | |
985 } | |
986 } | |
987 | |
988 | |
487 | 989 static void |
990 ngx_http_upstream_send_request_handler(ngx_event_t *wev) | |
479 | 991 { |
992 ngx_connection_t *c; | |
993 ngx_http_request_t *r; | |
994 ngx_http_upstream_t *u; | |
995 | |
996 c = wev->data; | |
997 r = c->data; | |
998 u = r->upstream; | |
999 | |
1000 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
1001 "http upstream send request handler"); | |
1002 | |
1003 if (wev->timedout) { | |
1004 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
1005 return; | |
1006 } | |
1007 | |
591 | 1008 #if (NGX_HTTP_SSL) |
1009 | |
1658 | 1010 if (u->ssl && c->ssl == NULL) { |
591 | 1011 ngx_http_upstream_ssl_init_connection(r, u, c); |
1012 return; | |
1013 } | |
1014 | |
1015 #endif | |
1016 | |
651 | 1017 if (u->header_sent) { |
1018 wev->handler = ngx_http_upstream_dummy_handler; | |
1019 | |
1020 (void) ngx_handle_write_event(wev, 0); | |
1021 | |
1022 return; | |
1023 } | |
1024 | |
479 | 1025 ngx_http_upstream_send_request(r, u); |
1026 } | |
1027 | |
1028 | |
487 | 1029 static void |
1030 ngx_http_upstream_process_header(ngx_event_t *rev) | |
479 | 1031 { |
515 | 1032 ssize_t n; |
1033 ngx_int_t rc; | |
573 | 1034 ngx_str_t *uri, args; |
649 | 1035 ngx_uint_t i, flags; |
515 | 1036 ngx_list_part_t *part; |
1037 ngx_table_elt_t *h; | |
1038 ngx_connection_t *c; | |
1039 ngx_http_request_t *r; | |
1040 ngx_http_upstream_t *u; | |
1041 ngx_http_err_page_t *err_page; | |
1042 ngx_http_core_loc_conf_t *clcf; | |
1043 ngx_http_upstream_header_t *hh; | |
1044 ngx_http_upstream_main_conf_t *umcf; | |
479 | 1045 |
1046 c = rev->data; | |
1047 r = c->data; | |
1048 u = r->upstream; | |
1049 | |
1050 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, | |
483 | 1051 "http upstream process header"); |
479 | 1052 |
483 | 1053 c->log->action = "reading response header from upstream"; |
479 | 1054 |
1055 if (rev->timedout) { | |
1056 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
1057 return; | |
1058 } | |
577 | 1059 |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1060 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
1166 | 1061 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
|
1062 return; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1063 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1064 |
581 | 1065 if (u->buffer.start == NULL) { |
1066 u->buffer.start = ngx_palloc(r->pool, u->conf->buffer_size); | |
1067 if (u->buffer.start == NULL) { | |
479 | 1068 ngx_http_upstream_finalize_request(r, u, |
1069 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1070 return; | |
1071 } | |
1072 | |
581 | 1073 u->buffer.pos = u->buffer.start; |
1074 u->buffer.last = u->buffer.start; | |
1075 u->buffer.end = u->buffer.start + u->conf->buffer_size; | |
1076 u->buffer.temporary = 1; | |
1077 | |
1078 u->buffer.tag = u->output.tag; | |
479 | 1079 |
509 | 1080 if (ngx_list_init(&r->upstream->headers_in.headers, r->pool, 8, |
581 | 1081 sizeof(ngx_table_elt_t)) |
1082 != NGX_OK) | |
509 | 1083 { |
1084 ngx_http_upstream_finalize_request(r, u, | |
1085 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1086 return; | |
1087 } | |
1088 | |
479 | 1089 #if 0 |
1090 if (u->cache) { | |
581 | 1091 u->buffer.pos += u->cache->ctx.header_size; |
1092 u->buffer.last = u->buffer.pos; | |
479 | 1093 } |
1094 #endif | |
1095 } | |
1096 | |
1558 | 1097 n = c->recv(c, u->buffer.last, u->buffer.end - u->buffer.last); |
479 | 1098 |
1099 if (n == NGX_AGAIN) { | |
1100 #if 0 | |
1101 ngx_add_timer(rev, u->read_timeout); | |
1102 #endif | |
1103 | |
1104 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
1105 ngx_http_upstream_finalize_request(r, u, | |
1106 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1107 return; | |
1108 } | |
1109 | |
1110 return; | |
1111 } | |
1112 | |
1113 if (n == 0) { | |
1114 ngx_log_error(NGX_LOG_ERR, rev->log, 0, | |
1115 "upstream prematurely closed connection"); | |
1116 } | |
1117 | |
1118 if (n == NGX_ERROR || n == 0) { | |
1119 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
1120 return; | |
1121 } | |
1122 | |
581 | 1123 u->buffer.last += n; |
479 | 1124 |
1125 #if 0 | |
1126 u->valid_header_in = 0; | |
1127 | |
1128 u->peer.cached = 0; | |
1129 #endif | |
1130 | |
1131 rc = u->process_header(r); | |
1132 | |
1133 if (rc == NGX_AGAIN) { | |
1134 #if 0 | |
1135 ngx_add_timer(rev, u->read_timeout); | |
1136 #endif | |
1137 | |
581 | 1138 if (u->buffer.pos == u->buffer.end) { |
479 | 1139 ngx_log_error(NGX_LOG_ERR, rev->log, 0, |
1140 "upstream sent too big header"); | |
1141 | |
1142 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
1143 return; | |
1144 } | |
1145 | |
1146 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
1147 ngx_http_upstream_finalize_request(r, u, | |
1148 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1149 return; | |
1150 } | |
1151 | |
1152 return; | |
1153 } | |
1154 | |
1155 if (rc == NGX_HTTP_UPSTREAM_INVALID_HEADER) { | |
1156 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
1157 return; | |
1158 } | |
1159 | |
1160 if (rc == NGX_ERROR || rc == NGX_HTTP_INTERNAL_SERVER_ERROR) { | |
1161 ngx_http_upstream_finalize_request(r, u, | |
1162 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1163 return; | |
1164 } | |
1165 | |
1166 /* rc == NGX_OK */ | |
1167 | |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1168 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1169 && r->subrequest_in_memory) |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1170 { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1171 u->buffer.last = u->buffer.pos; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1172 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1173 |
529 | 1174 if (u->headers_in.status_n == NGX_HTTP_INTERNAL_SERVER_ERROR) { |
509 | 1175 |
1176 if (u->peer.tries > 1 | |
1177 && (u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_HTTP_500)) | |
1178 { | |
1179 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_HTTP_500); | |
1180 return; | |
1181 } | |
1182 | |
1183 #if (NGX_HTTP_CACHE) | |
1184 | |
1185 if (u->peer.tries == 0 | |
1186 && u->stale | |
1187 && (u->conf->use_stale & NGX_HTTP_UPSTREAM_FT_HTTP_500)) | |
1188 { | |
1189 ngx_http_upstream_finalize_request(r, u, | |
529 | 1190 ngx_http_send_cached_response(r)); |
509 | 1191 return; |
1192 } | |
1193 | |
1194 #endif | |
1195 } | |
1196 | |
597 | 1197 if (u->headers_in.status_n == NGX_HTTP_NOT_FOUND) { |
1198 | |
1199 if (u->peer.tries > 1 | |
1200 && u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_HTTP_404) | |
1201 { | |
1202 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_HTTP_404); | |
1203 return; | |
1204 } | |
1205 | |
675 | 1206 if (u->conf->intercept_404) { |
1207 ngx_http_upstream_finalize_request(r, u, NGX_HTTP_NOT_FOUND); | |
597 | 1208 return; |
1209 } | |
509 | 1210 } |
1211 | |
1212 | |
529 | 1213 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST |
675 | 1214 && u->conf->intercept_errors) |
487 | 1215 { |
1216 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1217 | |
1218 if (clcf->error_pages) { | |
1219 | |
1220 err_page = clcf->error_pages->elts; | |
1221 for (i = 0; i < clcf->error_pages->nelts; i++) { | |
529 | 1222 if (err_page[i].status == (ngx_int_t) u->headers_in.status_n) { |
1223 | |
1224 if (u->headers_in.status_n == NGX_HTTP_UNAUTHORIZED) { | |
1225 | |
1226 r->headers_out.www_authenticate = | |
1227 ngx_list_push(&r->headers_out.headers); | |
1228 | |
1229 if (r->headers_out.www_authenticate == NULL) { | |
1230 ngx_http_upstream_finalize_request(r, u, | |
1231 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1232 return; | |
1233 } | |
1234 | |
577 | 1235 *r->headers_out.www_authenticate = |
529 | 1236 *u->headers_in.www_authenticate; |
1237 } | |
1238 | |
487 | 1239 ngx_http_upstream_finalize_request(r, u, |
529 | 1240 u->headers_in.status_n); |
487 | 1241 return; |
1242 } | |
1243 } | |
1244 } | |
1245 } | |
1246 | |
681 | 1247 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); |
1248 | |
515 | 1249 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
|
1250 |
515 | 1251 ngx_http_upstream_finalize_request(r, u, NGX_DECLINED); |
1252 | |
1253 part = &r->upstream->headers_in.headers.part; | |
1254 h = part->elts; | |
1255 | |
1256 for (i = 0; /* void */; i++) { | |
1257 | |
1258 if (i >= part->nelts) { | |
1259 if (part->next == NULL) { | |
1260 break; | |
1261 } | |
577 | 1262 |
515 | 1263 part = part->next; |
1264 h = part->elts; | |
1265 i = 0; | |
1266 } | |
1267 | |
649 | 1268 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, |
1269 h[i].lowcase_key, h[i].key.len); | |
1270 | |
1271 if (hh && hh->redirect) { | |
1272 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
|
1273 ngx_http_finalize_request(r, |
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1274 NGX_HTTP_INTERNAL_SERVER_ERROR); |
515 | 1275 return; |
1276 } | |
1277 } | |
1278 } | |
1279 | |
573 | 1280 uri = &r->upstream->headers_in.x_accel_redirect->value; |
1281 args.len = 0; | |
1282 args.data = NULL; | |
1283 flags = 0; | |
1284 | |
1285 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
|
1286 ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); |
573 | 1287 return; |
1288 } | |
1289 | |
1290 if (flags & NGX_HTTP_ZERO_IN_URI) { | |
1291 r->zero_in_uri = 1; | |
1292 } | |
1293 | |
653 | 1294 if (r->method != NGX_HTTP_HEAD) { |
1295 r->method = NGX_HTTP_GET; | |
1296 } | |
1297 | |
573 | 1298 ngx_http_internal_redirect(r, uri, &args); |
515 | 1299 return; |
1300 } | |
1301 | |
509 | 1302 part = &r->upstream->headers_in.headers.part; |
1303 h = part->elts; | |
1304 | |
1305 for (i = 0; /* void */; i++) { | |
479 | 1306 |
509 | 1307 if (i >= part->nelts) { |
1308 if (part->next == NULL) { | |
1309 break; | |
1310 } | |
577 | 1311 |
509 | 1312 part = part->next; |
1313 h = part->elts; | |
1314 i = 0; | |
1315 } | |
1316 | |
649 | 1317 if (ngx_hash_find(&u->conf->hide_headers_hash, h[i].hash, |
1318 h[i].lowcase_key, h[i].key.len)) | |
509 | 1319 { |
649 | 1320 continue; |
1321 } | |
1322 | |
1323 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, | |
1324 h[i].lowcase_key, h[i].key.len); | |
1325 | |
1326 if (hh) { | |
1327 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
509 | 1328 ngx_http_upstream_finalize_request(r, u, |
1329 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1330 return; | |
1331 } | |
1332 | |
1333 continue; | |
1334 } | |
1335 | |
1336 if (ngx_http_upstream_copy_header_line(r, &h[i], 0) != NGX_OK) { | |
1337 ngx_http_upstream_finalize_request(r, u, | |
1338 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1339 return; | |
1340 } | |
1341 } | |
1342 | |
649 | 1343 if (r->headers_out.server && r->headers_out.server->value.data == NULL) { |
1344 r->headers_out.server->hash = 0; | |
1345 } | |
1346 | |
1347 if (r->headers_out.date && r->headers_out.date->value.data == NULL) { | |
1348 r->headers_out.date->hash = 0; | |
1349 } | |
1350 | |
529 | 1351 r->headers_out.status = u->headers_in.status_n; |
1352 r->headers_out.status_line = u->headers_in.status_line; | |
1353 | |
581 | 1354 if (r->headers_out.content_length_n != -1) { |
1355 u->length = (size_t) r->headers_out.content_length_n; | |
1356 | |
1357 } else { | |
1358 u->length = NGX_MAX_SIZE_T_VALUE; | |
1359 } | |
1360 | |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1361 if (!r->subrequest_in_memory) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1362 ngx_http_upstream_send_response(r, u); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1363 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1364 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1365 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1366 /* subrequest content in memory */ |
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 (u->input_filter == NULL) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1369 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1370 u->input_filter = ngx_http_upstream_non_buffered_filter; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1371 u->input_filter_ctx = r; |
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 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1374 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1375 ngx_http_upstream_finalize_request(r, u, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1376 NGX_HTTP_INTERNAL_SERVER_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1377 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1378 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1379 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1380 if (u->buffer.last - u->buffer.pos >= (ssize_t) u->length) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1381 if (u->input_filter(u->input_filter_ctx, 0) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1382 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1383 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1384 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1385 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1386 ngx_http_upstream_finalize_request(r, u, 0); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1387 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1388 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1389 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1390 rev->handler = ngx_http_upstream_process_body_in_memory; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1391 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1392 ngx_http_upstream_process_body_in_memory(rev); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1393 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1394 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1395 |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1396 static ngx_int_t |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1397 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
|
1398 { |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1399 int err; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1400 socklen_t len; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1401 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1402 #if (NGX_HAVE_KQUEUE) |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1403 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1404 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
1166 | 1405 if (c->write->pending_eof) { |
1469
0a269c464eaf
connection error should be logged with "connecting to upstream" action,
Igor Sysoev <igor@sysoev.ru>
parents:
1468
diff
changeset
|
1406 c->log->action = "connecting to upstream"; |
1166 | 1407 (void) ngx_connection_error(c, c->write->kq_errno, |
1408 "kevent() reported that connect() failed"); | |
1409 return NGX_ERROR; | |
1410 } | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1411 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1412 } else |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1413 #endif |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1414 { |
1166 | 1415 err = 0; |
1416 len = sizeof(int); | |
1417 | |
1418 /* | |
1419 * BSDs and Linux return 0 and set a pending error in err | |
1420 * Solaris returns -1 and sets errno | |
1421 */ | |
1422 | |
1423 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
1424 == -1) | |
1425 { | |
1426 err = ngx_errno; | |
1427 } | |
1428 | |
1429 if (err) { | |
1469
0a269c464eaf
connection error should be logged with "connecting to upstream" action,
Igor Sysoev <igor@sysoev.ru>
parents:
1468
diff
changeset
|
1430 c->log->action = "connecting to upstream"; |
1166 | 1431 (void) ngx_connection_error(c, err, "connect() failed"); |
1432 return NGX_ERROR; | |
1433 } | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1434 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1435 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1436 return NGX_OK; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1437 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1438 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1439 |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1440 static void |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1441 ngx_http_upstream_process_body_in_memory(ngx_event_t *rev) |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1442 { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1443 size_t size; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1444 ssize_t n; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1445 ngx_buf_t *b; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1446 ngx_connection_t *c; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1447 ngx_http_request_t *r; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1448 ngx_http_upstream_t *u; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1449 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1450 c = rev->data; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1451 r = c->data; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1452 u = r->upstream; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1453 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1454 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1455 "http upstream process body on memory"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1456 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1457 if (rev->timedout) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1458 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1459 ngx_http_upstream_finalize_request(r, u, NGX_ETIMEDOUT); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1460 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1461 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1462 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1463 b = &u->buffer; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1464 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1465 for ( ;; ) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1466 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1467 size = b->end - b->last; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1468 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1469 if (size == 0) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1470 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1471 "upstream buffer is too small to read repsonse"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1472 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1473 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1474 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1475 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1476 n = c->recv(c, b->last, size); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1477 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1478 if (n == NGX_AGAIN) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1479 break; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1480 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1481 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1482 if (n == 0 || n == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1483 ngx_http_upstream_finalize_request(r, u, n); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1484 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1485 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1486 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1487 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1488 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1489 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1490 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1491 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1492 if (!rev->ready) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1493 break; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1494 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1495 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1496 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1497 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1498 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1499 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1500 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1501 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1502 if (rev->active) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1503 ngx_add_timer(rev, u->conf->read_timeout); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1504 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1505 } else if (rev->timer_set) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1506 ngx_del_timer(rev); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1507 } |
681 | 1508 } |
1509 | |
1510 | |
1511 static void | |
1512 ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
1513 { | |
1514 int tcp_nodelay; | |
1515 ssize_t size; | |
1516 ngx_int_t rc; | |
1517 ngx_event_pipe_t *p; | |
1518 ngx_connection_t *c; | |
1519 ngx_pool_cleanup_t *cl; | |
1520 ngx_pool_cleanup_file_t *clf; | |
1521 ngx_http_core_loc_conf_t *clcf; | |
1522 | |
509 | 1523 rc = ngx_http_send_header(r); |
479 | 1524 |
1031
bf1785dfb75f
allow the upstream modules to send a header only
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
1525 if (rc == NGX_ERROR || rc > NGX_OK || r->post_action || r->header_only) { |
485 | 1526 ngx_http_upstream_finalize_request(r, u, rc); |
479 | 1527 return; |
1528 } | |
1529 | |
1530 u->header_sent = 1; | |
1531 | |
573 | 1532 if (r->request_body && r->request_body->temp_file) { |
563 | 1533 for (cl = r->pool->cleanup; cl; cl = cl->next) { |
1534 if (cl->handler == ngx_pool_cleanup_file) { | |
1535 clf = cl->data; | |
1536 | |
1537 if (clf->fd == r->request_body->temp_file->file.fd) { | |
1538 cl->handler(clf); | |
1539 cl->handler = NULL; | |
659 | 1540 r->request_body->temp_file->file.fd = NGX_INVALID_FILE; |
563 | 1541 break; |
1542 } | |
1543 } | |
1544 } | |
1545 } | |
1546 | |
583 | 1547 c = r->connection; |
1548 | |
581 | 1549 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
1550 | |
649 | 1551 if (!u->buffering) { |
581 | 1552 |
1553 if (u->input_filter == NULL) { | |
1554 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; | |
1555 u->input_filter = ngx_http_upstream_non_buffered_filter; | |
1556 u->input_filter_ctx = r; | |
1557 } | |
1558 | |
1559 u->peer.connection->read->handler = | |
1560 ngx_http_upstream_process_non_buffered_body; | |
1561 r->write_event_handler = | |
1562 ngx_http_upstream_process_non_buffered_downstream; | |
1563 | |
1564 r->limit_rate = 0; | |
1565 | |
1566 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { | |
1567 ngx_http_upstream_finalize_request(r, u, 0); | |
1568 return; | |
1569 } | |
1570 | |
583 | 1571 if (clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
1572 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay"); | |
1573 | |
1574 tcp_nodelay = 1; | |
1575 | |
1576 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
1577 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
1578 { | |
1579 ngx_connection_error(c, ngx_socket_errno, | |
1580 "setsockopt(TCP_NODELAY) failed"); | |
1581 ngx_http_upstream_finalize_request(r, u, 0); | |
1582 return; | |
1583 } | |
1584 | |
1585 c->tcp_nodelay = NGX_TCP_NODELAY_SET; | |
1586 } | |
1587 | |
581 | 1588 size = u->buffer.last - u->buffer.pos; |
1589 | |
1590 if (size) { | |
1591 u->buffer.last = u->buffer.pos; | |
1592 | |
1593 if (u->input_filter(u->input_filter_ctx, size) == NGX_ERROR) { | |
1594 ngx_http_upstream_finalize_request(r, u, 0); | |
1595 return; | |
1596 } | |
1597 | |
583 | 1598 ngx_http_upstream_process_non_buffered_body(c->write); |
581 | 1599 |
1600 } else { | |
1601 u->buffer.pos = u->buffer.start; | |
1602 u->buffer.last = u->buffer.start; | |
1603 | |
1604 if (ngx_http_send_special(r, NGX_HTTP_FLUSH) == NGX_ERROR) { | |
1605 ngx_http_upstream_finalize_request(r, u, 0); | |
1606 return; | |
1607 } | |
1468
491e5059ea19
read EOF of header only responses in non-buffered proxying
Igor Sysoev <igor@sysoev.ru>
parents:
1397
diff
changeset
|
1608 |
491e5059ea19
read EOF of header only responses in non-buffered proxying
Igor Sysoev <igor@sysoev.ru>
parents:
1397
diff
changeset
|
1609 if (u->peer.connection->read->ready) { |
491e5059ea19
read EOF of header only responses in non-buffered proxying
Igor Sysoev <igor@sysoev.ru>
parents:
1397
diff
changeset
|
1610 ngx_http_upstream_process_non_buffered_body( |
491e5059ea19
read EOF of header only responses in non-buffered proxying
Igor Sysoev <igor@sysoev.ru>
parents:
1397
diff
changeset
|
1611 u->peer.connection->read); |
491e5059ea19
read EOF of header only responses in non-buffered proxying
Igor Sysoev <igor@sysoev.ru>
parents:
1397
diff
changeset
|
1612 } |
581 | 1613 } |
1614 | |
1615 return; | |
1616 } | |
1617 | |
479 | 1618 /* TODO: preallocate event_pipe bufs, look "Content-Length" */ |
1619 | |
1620 #if 0 | |
1621 | |
1622 if (u->cache && u->cache->ctx.file.fd != NGX_INVALID_FILE) { | |
1623 if (ngx_close_file(u->cache->ctx.file.fd) == NGX_FILE_ERROR) { | |
583 | 1624 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
479 | 1625 ngx_close_file_n " \"%s\" failed", |
1626 u->cache->ctx.file.name.data); | |
1627 } | |
1628 } | |
1629 | |
1565 | 1630 if (u->cacheable) { |
581 | 1631 header = (ngx_http_cache_header_t *) u->buffer->start; |
479 | 1632 |
1633 header->expires = u->cache->ctx.expires; | |
1634 header->last_modified = u->cache->ctx.last_modified; | |
1635 header->date = u->cache->ctx.date; | |
1636 header->length = r->headers_out.content_length_n; | |
1637 u->cache->ctx.length = r->headers_out.content_length_n; | |
1638 | |
1639 header->key_len = u->cache->ctx.key0.len; | |
1640 ngx_memcpy(&header->key, u->cache->ctx.key0.data, header->key_len); | |
1641 header->key[header->key_len] = LF; | |
1642 } | |
1643 | |
1644 #endif | |
1645 | |
581 | 1646 p = u->pipe; |
479 | 1647 |
1648 p->output_filter = (ngx_event_pipe_output_filter_pt) ngx_http_output_filter; | |
1649 p->output_ctx = r; | |
1650 p->tag = u->output.tag; | |
577 | 1651 p->bufs = u->conf->bufs; |
479 | 1652 p->busy_size = u->conf->busy_buffers_size; |
1653 p->upstream = u->peer.connection; | |
583 | 1654 p->downstream = c; |
479 | 1655 p->pool = r->pool; |
583 | 1656 p->log = c->log; |
577 | 1657 |
1565 | 1658 p->cacheable = u->cacheable || u->store; |
479 | 1659 |
501 | 1660 p->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
1661 if (p->temp_file == NULL) { | |
479 | 1662 ngx_http_upstream_finalize_request(r, u, 0); |
1663 return; | |
1664 } | |
1665 | |
1666 p->temp_file->file.fd = NGX_INVALID_FILE; | |
583 | 1667 p->temp_file->file.log = c->log; |
479 | 1668 p->temp_file->path = u->conf->temp_path; |
1669 p->temp_file->pool = r->pool; | |
577 | 1670 |
1565 | 1671 if (u->cacheable || u->store) { |
479 | 1672 p->temp_file->persistent = 1; |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
1673 |
479 | 1674 } else { |
667 | 1675 p->temp_file->log_level = NGX_LOG_WARN; |
479 | 1676 p->temp_file->warn = "an upstream response is buffered " |
1677 "to a temporary file"; | |
1678 } | |
1679 | |
1680 p->max_temp_file_size = u->conf->max_temp_file_size; | |
1681 p->temp_file_write_size = u->conf->temp_file_write_size; | |
1682 | |
501 | 1683 p->preread_bufs = ngx_alloc_chain_link(r->pool); |
1684 if (p->preread_bufs == NULL) { | |
479 | 1685 ngx_http_upstream_finalize_request(r, u, 0); |
1686 return; | |
1687 } | |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
1688 |
581 | 1689 p->preread_bufs->buf = &u->buffer; |
479 | 1690 p->preread_bufs->next = NULL; |
581 | 1691 u->buffer.recycled = 1; |
1692 | |
1693 p->preread_size = u->buffer.last - u->buffer.pos; | |
479 | 1694 |
1565 | 1695 if (u->cacheable) { |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
1696 |
479 | 1697 p->buf_to_file = ngx_calloc_buf(r->pool); |
1698 if (p->buf_to_file == NULL) { | |
1699 ngx_http_upstream_finalize_request(r, u, 0); | |
1700 return; | |
1701 } | |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
1702 |
581 | 1703 p->buf_to_file->pos = u->buffer.start; |
1704 p->buf_to_file->last = u->buffer.pos; | |
479 | 1705 p->buf_to_file->temporary = 1; |
1706 } | |
1707 | |
1708 if (ngx_event_flags & NGX_USE_AIO_EVENT) { | |
1709 /* the posted aio operation may currupt a shadow buffer */ | |
1710 p->single_buf = 1; | |
1711 } | |
1712 | |
1713 /* TODO: p->free_bufs = 0 if use ngx_create_chain_of_bufs() */ | |
1714 p->free_bufs = 1; | |
1715 | |
1716 /* | |
581 | 1717 * event_pipe would do u->buffer.last += p->preread_size |
479 | 1718 * as though these bytes were read |
1719 */ | |
581 | 1720 u->buffer.last = u->buffer.pos; |
479 | 1721 |
1722 if (u->conf->cyclic_temp_file) { | |
1723 | |
1724 /* | |
1725 * we need to disable the use of sendfile() if we use cyclic temp file | |
1726 * because the writing a new data may interfere with sendfile() | |
1727 * that uses the same kernel file pages (at least on FreeBSD) | |
1728 */ | |
1729 | |
1730 p->cyclic_temp_file = 1; | |
583 | 1731 c->sendfile = 0; |
479 | 1732 |
1733 } else { | |
1734 p->cyclic_temp_file = 0; | |
1735 } | |
1736 | |
1737 p->read_timeout = u->conf->read_timeout; | |
1738 p->send_timeout = clcf->send_timeout; | |
1739 p->send_lowat = clcf->send_lowat; | |
1740 | |
509 | 1741 u->peer.connection->read->handler = ngx_http_upstream_process_body; |
1742 r->write_event_handler = ngx_http_upstream_process_downstream; | |
479 | 1743 |
1744 ngx_http_upstream_process_body(u->peer.connection->read); | |
1745 } | |
1746 | |
1747 | |
487 | 1748 static void |
581 | 1749 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r) |
1750 { | |
1751 ngx_http_upstream_process_non_buffered_body(r->connection->write); | |
1752 } | |
1753 | |
1754 | |
1755 static void | |
1756 ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev) | |
1757 { | |
1758 size_t size; | |
1759 ssize_t n; | |
1760 ngx_buf_t *b; | |
583 | 1761 ngx_int_t rc; |
581 | 1762 ngx_uint_t do_write; |
884 | 1763 ngx_connection_t *c, *downstream, *upstream; |
581 | 1764 ngx_http_request_t *r; |
1765 ngx_http_upstream_t *u; | |
1766 ngx_http_core_loc_conf_t *clcf; | |
1767 | |
1768 c = ev->data; | |
756
d904b5cb3bba
fix building introduced by previous commit
Igor Sysoev <igor@sysoev.ru>
parents:
755
diff
changeset
|
1769 r = c->data; |
d904b5cb3bba
fix building introduced by previous commit
Igor Sysoev <igor@sysoev.ru>
parents:
755
diff
changeset
|
1770 u = r->upstream; |
581 | 1771 |
1772 if (ev->write) { | |
1773 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1774 "http upstream process non buffered downstream"); | |
1775 c->log->action = "sending to client"; | |
1776 | |
1777 } else { | |
1778 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1779 "http upstream process non buffered upstream"); | |
1780 c->log->action = "reading upstream"; | |
1781 } | |
1782 | |
1783 if (ev->timedout) { | |
1784 if (ev->write) { | |
1785 c->timedout = 1; | |
611 | 1786 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
1787 | |
581 | 1788 } else { |
611 | 1789 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
581 | 1790 } |
755
63b9dc652c3d
finalize nonbuffered request on timeout
Igor Sysoev <igor@sysoev.ru>
parents:
751
diff
changeset
|
1791 |
63b9dc652c3d
finalize nonbuffered request on timeout
Igor Sysoev <igor@sysoev.ru>
parents:
751
diff
changeset
|
1792 ngx_http_upstream_finalize_request(r, u, 0); |
63b9dc652c3d
finalize nonbuffered request on timeout
Igor Sysoev <igor@sysoev.ru>
parents:
751
diff
changeset
|
1793 return; |
581 | 1794 } |
1795 | |
884 | 1796 downstream = r->connection; |
1797 upstream = u->peer.connection; | |
581 | 1798 |
1799 b = &u->buffer; | |
1800 | |
1801 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1802 | |
657 | 1803 do_write = ev->write || u->length == 0; |
581 | 1804 |
1805 for ( ;; ) { | |
1806 | |
1807 if (do_write) { | |
1808 | |
1809 if (u->out_bufs || u->busy_bufs) { | |
583 | 1810 rc = ngx_http_output_filter(r, u->out_bufs); |
1811 | |
884 | 1812 if (downstream->destroyed) { |
583 | 1813 return; |
1814 } | |
1815 | |
1816 if (rc == NGX_ERROR) { | |
581 | 1817 ngx_http_upstream_finalize_request(r, u, 0); |
1818 return; | |
1819 } | |
1820 | |
1821 ngx_chain_update_chains(&u->free_bufs, &u->busy_bufs, | |
1822 &u->out_bufs, u->output.tag); | |
1823 } | |
1824 | |
1825 if (u->busy_bufs == NULL) { | |
1826 | |
1827 if (u->length == 0 | |
884 | 1828 || upstream->read->eof |
1829 || upstream->read->error) | |
581 | 1830 { |
1831 ngx_http_upstream_finalize_request(r, u, 0); | |
1832 return; | |
1833 } | |
1834 | |
1835 b->pos = b->start; | |
1836 b->last = b->start; | |
1837 } | |
1838 } | |
1839 | |
1840 size = b->end - b->last; | |
1841 | |
1842 if (size > u->length) { | |
1843 size = u->length; | |
1844 } | |
1845 | |
884 | 1846 if (size && upstream->read->ready) { |
1847 | |
1848 n = upstream->recv(upstream, b->last, size); | |
581 | 1849 |
1850 if (n == NGX_AGAIN) { | |
1851 break; | |
1852 } | |
1853 | |
1854 if (n > 0) { | |
1855 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { | |
1856 ngx_http_upstream_finalize_request(r, u, 0); | |
1857 return; | |
1858 } | |
1859 } | |
1860 | |
1861 do_write = 1; | |
1862 | |
1863 continue; | |
1864 } | |
1865 | |
1866 break; | |
1867 } | |
1868 | |
884 | 1869 if (downstream->data == r) { |
1870 if (ngx_handle_write_event(downstream->write, clcf->send_lowat) | |
583 | 1871 == NGX_ERROR) |
1872 { | |
1873 ngx_http_upstream_finalize_request(r, u, 0); | |
1874 return; | |
1875 } | |
581 | 1876 } |
1877 | |
1063
e2a6ecc5a3ae
a non-active client connection must not closed after send timeout
Igor Sysoev <igor@sysoev.ru>
parents:
1031
diff
changeset
|
1878 if (downstream->write->active && !downstream->write->ready) { |
884 | 1879 ngx_add_timer(downstream->write, clcf->send_timeout); |
1880 | |
1881 } else if (downstream->write->timer_set) { | |
1882 ngx_del_timer(downstream->write); | |
581 | 1883 } |
1884 | |
884 | 1885 if (ngx_handle_read_event(upstream->read, 0) == NGX_ERROR) { |
581 | 1886 ngx_http_upstream_finalize_request(r, u, 0); |
1887 return; | |
1888 } | |
1889 | |
1063
e2a6ecc5a3ae
a non-active client connection must not closed after send timeout
Igor Sysoev <igor@sysoev.ru>
parents:
1031
diff
changeset
|
1890 if (upstream->read->active && !upstream->read->ready) { |
884 | 1891 ngx_add_timer(upstream->read, u->conf->read_timeout); |
1892 | |
1893 } else if (upstream->read->timer_set) { | |
1894 ngx_del_timer(upstream->read); | |
581 | 1895 } |
1896 } | |
1897 | |
1898 | |
1899 static ngx_int_t | |
1900 ngx_http_upstream_non_buffered_filter_init(void *data) | |
1901 { | |
1902 return NGX_OK; | |
1903 } | |
1904 | |
1905 | |
1906 static ngx_int_t | |
1907 ngx_http_upstream_non_buffered_filter(void *data, ssize_t bytes) | |
1908 { | |
1909 ngx_http_request_t *r = data; | |
1910 | |
1911 ngx_buf_t *b; | |
1912 ngx_chain_t *cl, **ll; | |
1913 ngx_http_upstream_t *u; | |
1914 | |
1915 u = r->upstream; | |
1916 | |
1917 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
1918 ll = &cl->next; | |
1919 } | |
1920 | |
1921 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
1922 if (cl == NULL) { | |
1923 return NGX_ERROR; | |
1924 } | |
1925 | |
1926 *ll = cl; | |
1927 | |
1928 cl->buf->flush = 1; | |
1929 cl->buf->memory = 1; | |
1930 | |
1931 b = &u->buffer; | |
1932 | |
1933 cl->buf->pos = b->last; | |
1934 b->last += bytes; | |
1935 cl->buf->last = b->last; | |
1936 | |
1937 if (u->length == NGX_MAX_SIZE_T_VALUE) { | |
1938 return NGX_OK; | |
1939 } | |
1940 | |
1941 u->length -= bytes; | |
1942 | |
1943 return NGX_OK; | |
1944 } | |
1945 | |
1946 | |
1947 static void | |
509 | 1948 ngx_http_upstream_process_downstream(ngx_http_request_t *r) |
1949 { | |
1950 ngx_http_upstream_process_body(r->connection->write); | |
1951 } | |
1952 | |
1953 | |
1954 static void | |
487 | 1955 ngx_http_upstream_process_body(ngx_event_t *ev) |
479 | 1956 { |
509 | 1957 ngx_event_pipe_t *p; |
583 | 1958 ngx_connection_t *c, *downstream; |
1098 | 1959 ngx_http_log_ctx_t *ctx; |
479 | 1960 ngx_http_request_t *r; |
1961 ngx_http_upstream_t *u; | |
1962 | |
1963 c = ev->data; | |
1964 r = c->data; | |
1965 u = r->upstream; | |
583 | 1966 downstream = r->connection; |
479 | 1967 |
1968 if (ev->write) { | |
483 | 1969 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
1970 "http upstream process downstream"); | |
1971 c->log->action = "sending to client"; | |
577 | 1972 |
479 | 1973 } else { |
483 | 1974 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
1975 "http upstream process upstream"); | |
1976 c->log->action = "reading upstream"; | |
1098 | 1977 |
1978 ctx = c->log->data; | |
1979 ctx->current_request = r; | |
479 | 1980 } |
577 | 1981 |
581 | 1982 p = u->pipe; |
479 | 1983 |
1984 if (ev->timedout) { | |
1985 if (ev->write) { | |
527 | 1986 if (ev->delayed) { |
1987 | |
1988 ev->timedout = 0; | |
1989 ev->delayed = 0; | |
1990 | |
1991 if (!ev->ready) { | |
1992 ngx_add_timer(ev, p->send_timeout); | |
1993 | |
1994 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) | |
1995 { | |
1996 ngx_http_upstream_finalize_request(r, u, 0); | |
1997 return; | |
1998 } | |
1999 | |
2000 return; | |
2001 } | |
2002 | |
2003 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { | |
583 | 2004 |
2005 if (downstream->destroyed) { | |
2006 return; | |
2007 } | |
2008 | |
527 | 2009 ngx_http_upstream_finalize_request(r, u, 0); |
2010 return; | |
2011 } | |
2012 | |
2013 } else { | |
2014 p->downstream_error = 1; | |
577 | 2015 c->timedout = 1; |
611 | 2016 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
527 | 2017 } |
479 | 2018 |
2019 } else { | |
577 | 2020 p->upstream_error = 1; |
611 | 2021 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
479 | 2022 } |
2023 | |
2024 } else { | |
527 | 2025 if (ev->write && ev->delayed) { |
2026 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
2027 "http downstream delayed"); | |
2028 | |
2029 if (ngx_handle_write_event(ev, p->send_lowat) == NGX_ERROR) { | |
2030 return; | |
2031 } | |
2032 | |
2033 return; | |
2034 } | |
2035 | |
479 | 2036 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { |
583 | 2037 |
2038 if (downstream->destroyed) { | |
2039 return; | |
2040 } | |
2041 | |
479 | 2042 ngx_http_upstream_finalize_request(r, u, 0); |
2043 return; | |
2044 } | |
2045 } | |
577 | 2046 |
479 | 2047 if (u->peer.connection) { |
2048 | |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2049 if (u->store) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2050 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2051 if (p->upstream_eof && u->headers_in.status_n == NGX_HTTP_OK) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2052 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2053 ngx_http_upstream_store(r, u); |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2054 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2055 } else if ((p->upstream_error |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2056 || (p->upstream_eof |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2057 && u->headers_in.status_n != NGX_HTTP_OK)) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2058 && u->pipe->temp_file->file.fd != NGX_INVALID_FILE) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2059 { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2060 if (ngx_delete_file(u->pipe->temp_file->file.name.data) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2061 == NGX_FILE_ERROR) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2062 { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2063 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2064 ngx_delete_file_n " \"%s\" failed", |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2065 u->pipe->temp_file->file.name.data); |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2066 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2067 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2068 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2069 |
479 | 2070 #if (NGX_HTTP_FILE_CACHE) |
2071 | |
1565 | 2072 if (p->upstream_done && u->cacheable) { |
479 | 2073 if (ngx_http_cache_update(r) == NGX_ERROR) { |
2074 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2075 ngx_http_upstream_finalize_request(r, u, 0); | |
2076 return; | |
2077 } | |
2078 | |
1565 | 2079 } else if (p->upstream_eof && u->cacheable) { |
479 | 2080 |
2081 /* TODO: check length & update cache */ | |
2082 | |
2083 if (ngx_http_cache_update(r) == NGX_ERROR) { | |
2084 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2085 ngx_http_upstream_finalize_request(r, u, 0); | |
2086 return; | |
2087 } | |
2088 } | |
2089 | |
2090 #endif | |
2091 | |
2092 if (p->upstream_done || p->upstream_eof || p->upstream_error) { | |
483 | 2093 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
2094 "http upstream exit: %p", p->out); | |
479 | 2095 #if 0 |
2096 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2097 #endif | |
2098 ngx_http_upstream_finalize_request(r, u, 0); | |
2099 return; | |
2100 } | |
2101 } | |
2102 | |
2103 if (p->downstream_error) { | |
483 | 2104 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
2105 "http upstream downstream error"); | |
479 | 2106 |
1565 | 2107 if (!u->cacheable && u->peer.connection) { |
479 | 2108 ngx_http_upstream_finalize_request(r, u, 0); |
2109 } | |
2110 } | |
2111 } | |
2112 | |
2113 | |
487 | 2114 static void |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2115 ngx_http_upstream_store(ngx_http_request_t *r, ngx_http_upstream_t *u) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2116 { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2117 char *failed; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2118 u_char *name; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2119 size_t root; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2120 time_t lm; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2121 ngx_err_t err; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2122 ngx_str_t *temp, path, *last_modified; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2123 ngx_temp_file_t *tf; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2124 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2125 if (u->pipe->temp_file->file.fd == NGX_INVALID_FILE) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2126 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2127 /* create file for empty 200 response */ |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2128 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2129 tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2130 if (tf == NULL) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2131 return; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2132 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2133 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2134 tf->file.fd = NGX_INVALID_FILE; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2135 tf->file.log = r->connection->log; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2136 tf->path = u->conf->temp_path; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2137 tf->pool = r->pool; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2138 tf->persistent = 1; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2139 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2140 if (ngx_create_temp_file(&tf->file, tf->path, tf->pool, |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2141 tf->persistent, tf->clean, tf->access) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2142 != NGX_OK) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2143 { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2144 return; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2145 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2146 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2147 u->pipe->temp_file = tf; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2148 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2149 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2150 temp = &u->pipe->temp_file->file.name; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2151 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2152 #if !(NGX_WIN32) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2153 |
1295
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2154 if (ngx_change_file_access(temp->data, u->conf->store_access) |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2155 == NGX_FILE_ERROR) |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2156 { |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2157 err = ngx_errno; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2158 failed = ngx_change_file_access_n; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2159 name = temp->data; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2160 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2161 goto failed; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2162 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2163 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2164 #endif |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2165 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2166 if (r->upstream->headers_in.last_modified) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2167 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2168 last_modified = &r->upstream->headers_in.last_modified->value; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2169 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2170 lm = ngx_http_parse_time(last_modified->data, last_modified->len); |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2171 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2172 if (lm != NGX_ERROR) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2173 if (ngx_set_file_time(temp->data, u->pipe->temp_file->file.fd, lm) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2174 != NGX_OK) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2175 { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2176 err = ngx_errno; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2177 failed = ngx_set_file_time_n; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2178 name = temp->data; |
1295
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2179 |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2180 goto failed; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2181 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2182 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2183 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2184 |
1295
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2185 if (u->conf->store_lengths == NULL) { |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2186 |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2187 ngx_http_map_uri_to_path(r, &path, &root, 0); |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2188 |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2189 } else { |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2190 if (ngx_http_script_run(r, &path, u->conf->store_lengths->elts, 0, |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2191 u->conf->store_values->elts) |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2192 == NULL) |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2193 { |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2194 return; |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2195 } |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2196 } |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2197 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2198 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2199 "upstream stores \"%s\" to \"%s\"", temp->data, path.data); |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2200 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2201 failed = ngx_rename_file_n; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2202 name = path.data; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2203 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2204 if (ngx_rename_file(temp->data, path.data) != NGX_FILE_ERROR) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2205 return; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2206 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2207 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2208 err = ngx_errno; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2209 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2210 if (err == NGX_ENOENT) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2211 |
1295
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2212 err = ngx_create_full_path(path.data, |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2213 ngx_dir_access(u->conf->store_access)); |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2214 if (err == 0) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2215 if (ngx_rename_file(temp->data, path.data) != NGX_FILE_ERROR) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2216 return; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2217 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2218 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2219 err = ngx_errno; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2220 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2221 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2222 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2223 #if (NGX_WIN32) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2224 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2225 if (err == NGX_EEXIST) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2226 if (ngx_win32_rename_file(temp, &path, r->pool) != NGX_ERROR) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2227 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2228 if (ngx_rename_file(temp->data, path.data) != NGX_FILE_ERROR) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2229 return; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2230 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2231 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2232 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2233 err = ngx_errno; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2234 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2235 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2236 #endif |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2237 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2238 failed: |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2239 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2240 if (ngx_delete_file(temp->data) == NGX_FILE_ERROR) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2241 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2242 ngx_delete_file_n " \"%s\" failed", |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2243 temp->data); |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2244 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2245 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2246 ngx_log_error(NGX_LOG_CRIT, r->connection->log, err, |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2247 "%s \"%s\" failed", failed, name); |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2248 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2249 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2250 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2251 static void |
487 | 2252 ngx_http_upstream_dummy_handler(ngx_event_t *wev) |
479 | 2253 { |
2254 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
2255 "http upstream dummy handler"); | |
2256 } | |
2257 | |
2258 | |
487 | 2259 static void |
2260 ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u, | |
2261 ngx_uint_t ft_type) | |
479 | 2262 { |
884 | 2263 ngx_uint_t status, state; |
479 | 2264 |
2265 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
884 | 2266 "http next upstream, %xi", ft_type); |
479 | 2267 |
2268 #if 0 | |
2269 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2270 #endif | |
2271 | |
525 | 2272 if (ft_type == NGX_HTTP_UPSTREAM_FT_HTTP_404) { |
884 | 2273 state = NGX_PEER_NEXT; |
525 | 2274 } else { |
884 | 2275 state = NGX_PEER_FAILED; |
479 | 2276 } |
525 | 2277 |
1378 | 2278 if (ft_type != NGX_HTTP_UPSTREAM_FT_NOLIVE) { |
2279 u->peer.free(&u->peer, u->peer.data, state); | |
2280 } | |
525 | 2281 |
479 | 2282 if (ft_type == NGX_HTTP_UPSTREAM_FT_TIMEOUT) { |
2283 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ETIMEDOUT, | |
2284 "upstream timed out"); | |
2285 } | |
577 | 2286 |
479 | 2287 if (u->peer.cached && ft_type == NGX_HTTP_UPSTREAM_FT_ERROR) { |
2288 status = 0; | |
2289 | |
2290 } else { | |
2291 switch(ft_type) { | |
2292 | |
2293 case NGX_HTTP_UPSTREAM_FT_TIMEOUT: | |
2294 status = NGX_HTTP_GATEWAY_TIME_OUT; | |
2295 break; | |
2296 | |
2297 case NGX_HTTP_UPSTREAM_FT_HTTP_500: | |
2298 status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
2299 break; | |
2300 | |
2301 case NGX_HTTP_UPSTREAM_FT_HTTP_404: | |
2302 status = NGX_HTTP_NOT_FOUND; | |
2303 break; | |
2304 | |
2305 /* | |
2306 * NGX_HTTP_UPSTREAM_FT_BUSY_LOCK and NGX_HTTP_UPSTREAM_FT_MAX_WAITING | |
2307 * never reach here | |
2308 */ | |
2309 | |
2310 default: | |
2311 status = NGX_HTTP_BAD_GATEWAY; | |
2312 } | |
2313 } | |
2314 | |
583 | 2315 if (r->connection->error) { |
479 | 2316 ngx_http_upstream_finalize_request(r, u, |
2317 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
2318 return; | |
2319 } | |
2320 | |
2321 if (status) { | |
2322 u->state->status = status; | |
2323 | |
525 | 2324 if (u->peer.tries == 0 || !(u->conf->next_upstream & ft_type)) { |
479 | 2325 |
2326 #if (NGX_HTTP_CACHE) | |
2327 | |
2328 if (u->stale && (u->conf->use_stale & ft_type)) { | |
2329 ngx_http_upstream_finalize_request(r, u, | |
525 | 2330 ngx_http_send_cached_response(r)); |
479 | 2331 return; |
2332 } | |
2333 | |
2334 #endif | |
2335 | |
2336 ngx_http_upstream_finalize_request(r, u, status); | |
2337 return; | |
2338 } | |
2339 } | |
2340 | |
2341 if (u->peer.connection) { | |
2342 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2343 "close http upstream connection: %d", | |
2344 u->peer.connection->fd); | |
577 | 2345 #if (NGX_HTTP_SSL) |
884 | 2346 |
577 | 2347 if (u->peer.connection->ssl) { |
884 | 2348 u->peer.connection->ssl->no_wait_shutdown = 1; |
2349 u->peer.connection->ssl->no_send_shutdown = 1; | |
2350 | |
2351 (void) ngx_ssl_shutdown(u->peer.connection); | |
577 | 2352 } |
2353 #endif | |
884 | 2354 |
479 | 2355 ngx_close_connection(u->peer.connection); |
2356 } | |
2357 | |
2358 #if 0 | |
2359 if (u->conf->busy_lock && !u->busy_locked) { | |
2360 ngx_http_upstream_busy_lock(p); | |
2361 return; | |
2362 } | |
2363 #endif | |
2364 | |
2365 ngx_http_upstream_connect(r, u); | |
2366 } | |
2367 | |
2368 | |
487 | 2369 static void |
569 | 2370 ngx_http_upstream_cleanup(void *data) |
2371 { | |
2372 ngx_http_request_t *r = data; | |
2373 | |
2374 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2375 "cleanup http upstream request: \"%V\"", &r->uri); | |
2376 | |
1658 | 2377 if (r->upstream->resolved && r->upstream->resolved->ctx) { |
2378 ngx_resolve_name_done(r->upstream->resolved->ctx); | |
2379 } | |
2380 | |
569 | 2381 ngx_http_upstream_finalize_request(r, r->upstream, NGX_DONE); |
2382 } | |
2383 | |
2384 | |
2385 static void | |
487 | 2386 ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
2387 ngx_http_upstream_t *u, ngx_int_t rc) | |
479 | 2388 { |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2389 ngx_time_t *tp; |
563 | 2390 |
483 | 2391 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2392 "finalize http upstream request: %i", rc); | |
479 | 2393 |
569 | 2394 *u->cleanup = NULL; |
2395 | |
1658 | 2396 if (u->state && u->state->response_sec) { |
563 | 2397 tp = ngx_timeofday(); |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2398 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
|
2399 u->state->response_msec = tp->msec - u->state->response_msec; |
563 | 2400 } |
2401 | |
479 | 2402 u->finalize_request(r, rc); |
2403 | |
1658 | 2404 if (u->peer.free) { |
2405 u->peer.free(&u->peer, u->peer.data, 0); | |
2406 } | |
884 | 2407 |
479 | 2408 if (u->peer.connection) { |
884 | 2409 |
577 | 2410 #if (NGX_HTTP_SSL) |
2411 | |
2412 /* TODO: do not shutdown persistent connection */ | |
2413 | |
2414 if (u->peer.connection->ssl) { | |
884 | 2415 |
2416 /* | |
2417 * We send the "close notify" shutdown alert to the upstream only | |
2418 * and do not wait its "close notify" shutdown alert. | |
2419 * It is acceptable according to the TLS standard. | |
2420 */ | |
2421 | |
2422 u->peer.connection->ssl->no_wait_shutdown = 1; | |
2423 | |
2424 (void) ngx_ssl_shutdown(u->peer.connection); | |
577 | 2425 } |
2426 #endif | |
884 | 2427 |
2428 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2429 "close http upstream connection: %d", | |
2430 u->peer.connection->fd); | |
2431 | |
479 | 2432 ngx_close_connection(u->peer.connection); |
2433 } | |
2434 | |
483 | 2435 u->peer.connection = NULL; |
2436 | |
563 | 2437 if (u->header_sent && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE)) |
479 | 2438 { |
2439 rc = 0; | |
2440 } | |
2441 | |
581 | 2442 if (u->pipe && u->pipe->temp_file) { |
479 | 2443 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2444 "http upstream temp fd: %d", | |
581 | 2445 u->pipe->temp_file->file.fd); |
479 | 2446 } |
2447 | |
2448 #if 0 | |
2449 if (u->cache) { | |
2450 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
483 | 2451 "http upstream cache fd: %d", |
479 | 2452 u->cache->ctx.file.fd); |
2453 } | |
2454 #endif | |
2455 | |
515 | 2456 if (rc == NGX_DECLINED) { |
2457 return; | |
2458 } | |
2459 | |
483 | 2460 r->connection->log->action = "sending to client"; |
2461 | |
1259
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2462 if (rc == 0) { |
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2463 if (r == r->main) { |
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2464 if (!r->post_action) { |
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2465 rc = ngx_http_send_special(r, NGX_HTTP_LAST); |
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2466 } |
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2467 |
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2468 } else { |
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2469 if (r->out) { |
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2470 rc = NGX_AGAIN; |
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2471 } |
05b5236c2ff5
if subrequest response was buffered in file, then subrequest was finalized
Igor Sysoev <igor@sysoev.ru>
parents:
1245
diff
changeset
|
2472 } |
479 | 2473 } |
2474 | |
2475 ngx_http_finalize_request(r, rc); | |
2476 } | |
2477 | |
2478 | |
509 | 2479 static ngx_int_t |
2480 ngx_http_upstream_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2481 ngx_uint_t offset) | |
577 | 2482 { |
509 | 2483 ngx_table_elt_t **ph; |
577 | 2484 |
509 | 2485 ph = (ngx_table_elt_t **) ((char *) &r->upstream->headers_in + offset); |
2486 | |
2487 if (*ph == NULL) { | |
2488 *ph = h; | |
2489 } | |
2490 | |
2491 return NGX_OK; | |
2492 } | |
2493 | |
2494 | |
2495 static ngx_int_t | |
2496 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
2497 ngx_table_elt_t *h, ngx_uint_t offset) | |
2498 { | |
2499 ngx_array_t *pa; | |
2500 ngx_table_elt_t **ph; | |
2501 | |
2502 pa = (ngx_array_t *) ((char *) &r->upstream->headers_in + offset); | |
2503 | |
2504 if (pa->elts == NULL) { | |
2505 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
2506 { | |
2507 return NGX_ERROR; | |
2508 } | |
2509 } | |
2510 | |
2511 ph = ngx_array_push(pa); | |
2512 if (ph == NULL) { | |
2513 return NGX_ERROR; | |
2514 } | |
2515 | |
2516 *ph = h; | |
2517 | |
2518 return NGX_OK; | |
2519 } | |
2520 | |
2521 | |
2522 static ngx_int_t | |
2523 ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2524 ngx_uint_t offset) | |
2525 { | |
2526 return NGX_OK; | |
2527 } | |
2528 | |
2529 | |
2530 static ngx_int_t | |
527 | 2531 ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, ngx_table_elt_t *h, |
2532 ngx_uint_t offset) | |
577 | 2533 { |
527 | 2534 ngx_int_t n; |
2535 | |
2536 r->upstream->headers_in.x_accel_limit_rate = h; | |
2537 | |
2538 n = ngx_atoi(h->value.data, h->value.len); | |
2539 | |
2540 if (n != NGX_ERROR) { | |
2541 r->limit_rate = (size_t) n; | |
2542 } | |
2543 | |
2544 return NGX_OK; | |
2545 } | |
2546 | |
2547 | |
2548 static ngx_int_t | |
649 | 2549 ngx_http_upstream_process_buffering(ngx_http_request_t *r, ngx_table_elt_t *h, |
2550 ngx_uint_t offset) | |
2551 { | |
2552 u_char c0, c1, c2; | |
2553 | |
2554 if (r->upstream->conf->change_buffering) { | |
2555 | |
2556 if (h->value.len == 2) { | |
2557 c0 = ngx_tolower(h->value.data[0]); | |
2558 c1 = ngx_tolower(h->value.data[1]); | |
2559 | |
2560 if (c0 == 'n' && c1 == 'o') { | |
2561 r->upstream->buffering = 0; | |
2562 } | |
2563 | |
2564 } else if (h->value.len == 3) { | |
2565 c0 = ngx_tolower(h->value.data[0]); | |
2566 c1 = ngx_tolower(h->value.data[1]); | |
2567 c2 = ngx_tolower(h->value.data[2]); | |
2568 | |
2569 if (c0 == 'y' && c1 == 'e' && c2 == 's') { | |
2570 r->upstream->buffering = 1; | |
2571 } | |
2572 } | |
2573 } | |
2574 | |
2575 return NGX_OK; | |
2576 } | |
2577 | |
2578 | |
2579 static ngx_int_t | |
657 | 2580 ngx_http_upstream_process_charset(ngx_http_request_t *r, ngx_table_elt_t *h, |
2581 ngx_uint_t offset) | |
2582 { | |
2583 r->headers_out.override_charset = &h->value; | |
2584 | |
2585 return NGX_OK; | |
2586 } | |
2587 | |
2588 | |
2589 static ngx_int_t | |
509 | 2590 ngx_http_upstream_copy_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, |
2591 ngx_uint_t offset) | |
2592 { | |
573 | 2593 ngx_table_elt_t *ho, **ph; |
509 | 2594 |
2595 ho = ngx_list_push(&r->headers_out.headers); | |
2596 if (ho == NULL) { | |
2597 return NGX_ERROR; | |
2598 } | |
2599 | |
2600 *ho = *h; | |
2601 | |
573 | 2602 if (offset) { |
2603 ph = (ngx_table_elt_t **) ((char *) &r->headers_out + offset); | |
2604 *ph = ho; | |
2605 } | |
2606 | |
509 | 2607 return NGX_OK; |
2608 } | |
2609 | |
2610 | |
2611 static ngx_int_t | |
2612 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
2613 ngx_table_elt_t *h, ngx_uint_t offset) | |
2614 { | |
2615 ngx_array_t *pa; | |
2616 ngx_table_elt_t *ho, **ph; | |
2617 | |
2618 pa = (ngx_array_t *) ((char *) &r->headers_out + offset); | |
2619 | |
2620 if (pa->elts == NULL) { | |
2621 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
2622 { | |
2623 return NGX_ERROR; | |
2624 } | |
2625 } | |
2626 | |
2627 ph = ngx_array_push(pa); | |
2628 if (ph == NULL) { | |
2629 return NGX_ERROR; | |
2630 } | |
2631 | |
2632 ho = ngx_list_push(&r->headers_out.headers); | |
2633 if (ho == NULL) { | |
2634 return NGX_ERROR; | |
2635 } | |
2636 | |
2637 *ho = *h; | |
2638 *ph = ho; | |
2639 | |
2640 return NGX_OK; | |
2641 } | |
2642 | |
2643 | |
2644 static ngx_int_t | |
2645 ngx_http_upstream_copy_content_type(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2646 ngx_uint_t offset) | |
2647 { | |
657 | 2648 u_char *p, *last; |
2649 | |
2650 r->headers_out.content_type_len = h->value.len; | |
509 | 2651 r->headers_out.content_type = h->value; |
2652 | |
657 | 2653 for (p = h->value.data; *p; p++) { |
2654 | |
2655 if (*p != ';') { | |
2656 continue; | |
2657 } | |
2658 | |
2659 last = p; | |
2660 | |
2661 while (*++p == ' ') { /* void */ } | |
2662 | |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1098
diff
changeset
|
2663 if (ngx_strncasecmp(p, (u_char *) "charset=", 8) != 0) { |
657 | 2664 continue; |
2665 } | |
2666 | |
2667 p += 8; | |
2668 | |
2669 r->headers_out.content_type_len = last - h->value.data; | |
2670 | |
2671 r->headers_out.charset.len = h->value.data + h->value.len - p; | |
2672 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
|
2673 |
c6c42497106c
fix segfault if upstream sends trailing ";" in "charset="
Igor Sysoev <igor@sysoev.ru>
parents:
1109
diff
changeset
|
2674 return NGX_OK; |
657 | 2675 } |
2676 | |
509 | 2677 return NGX_OK; |
2678 } | |
2679 | |
2680 | |
2681 static ngx_int_t | |
2682 ngx_http_upstream_copy_content_length(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2683 ngx_uint_t offset) | |
2684 { | |
2685 ngx_table_elt_t *ho; | |
2686 | |
2687 ho = ngx_list_push(&r->headers_out.headers); | |
2688 if (ho == NULL) { | |
2689 return NGX_ERROR; | |
2690 } | |
2691 | |
2692 *ho = *h; | |
2693 | |
2694 r->headers_out.content_length = ho; | |
2695 r->headers_out.content_length_n = ngx_atoof(h->value.data, h->value.len); | |
2696 | |
2697 return NGX_OK; | |
2698 } | |
2699 | |
2700 | |
2701 static ngx_int_t | |
2702 ngx_http_upstream_rewrite_location(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2703 ngx_uint_t offset) | |
2704 { | |
2705 ngx_int_t rc; | |
2706 ngx_table_elt_t *ho; | |
2707 | |
2708 ho = ngx_list_push(&r->headers_out.headers); | |
2709 if (ho == NULL) { | |
2710 return NGX_ERROR; | |
2711 } | |
2712 | |
2713 *ho = *h; | |
2714 | |
2715 if (r->upstream->rewrite_redirect) { | |
2716 rc = r->upstream->rewrite_redirect(r, ho, 0); | |
2717 | |
529 | 2718 if (rc == NGX_DECLINED) { |
2719 return NGX_OK; | |
2720 } | |
2721 | |
509 | 2722 if (rc == NGX_OK) { |
2723 r->headers_out.location = ho; | |
2724 | |
2725 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2726 "rewritten location: \"%V\"", &ho->value); | |
2727 } | |
2728 | |
2729 return rc; | |
2730 } | |
2731 | |
1653
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2732 if (ho->value.data[0] != '/') { |
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2733 r->headers_out.location = ho; |
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2734 } |
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2735 |
509 | 2736 /* |
2737 * we do not set r->headers_out.location here to avoid the handling | |
2738 * the local redirects without a host name by ngx_http_header_filter() | |
2739 */ | |
2740 | |
2741 return NGX_OK; | |
2742 } | |
2743 | |
2744 | |
2745 static ngx_int_t | |
2746 ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2747 ngx_uint_t offset) | |
2748 { | |
2749 u_char *p; | |
2750 ngx_int_t rc; | |
2751 ngx_table_elt_t *ho; | |
2752 | |
2753 ho = ngx_list_push(&r->headers_out.headers); | |
2754 if (ho == NULL) { | |
2755 return NGX_ERROR; | |
2756 } | |
2757 | |
2758 *ho = *h; | |
2759 | |
2760 if (r->upstream->rewrite_redirect) { | |
2761 | |
1549 | 2762 p = ngx_strcasestrn(ho->value.data, "url=", 4 - 1); |
509 | 2763 |
2764 if (p) { | |
2765 rc = r->upstream->rewrite_redirect(r, ho, p + 4 - ho->value.data); | |
2766 | |
2767 } else { | |
2768 return NGX_OK; | |
2769 } | |
2770 | |
529 | 2771 if (rc == NGX_DECLINED) { |
2772 return NGX_OK; | |
2773 } | |
2774 | |
509 | 2775 if (rc == NGX_OK) { |
1654 | 2776 r->headers_out.refresh = ho; |
2777 | |
509 | 2778 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2779 "rewritten refresh: \"%V\"", &ho->value); | |
2780 } | |
2781 | |
2782 return rc; | |
2783 } | |
2784 | |
1654 | 2785 r->headers_out.refresh = ho; |
2786 | |
509 | 2787 return NGX_OK; |
2788 } | |
2789 | |
2790 | |
2791 #if (NGX_HTTP_GZIP) | |
2792 | |
2793 static ngx_int_t | |
2794 ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
2795 ngx_table_elt_t *h, ngx_uint_t offset) | |
2796 { | |
2797 ngx_table_elt_t *ho; | |
2798 | |
2799 ho = ngx_list_push(&r->headers_out.headers); | |
2800 if (ho == NULL) { | |
2801 return NGX_ERROR; | |
2802 } | |
2803 | |
2804 *ho = *h; | |
2805 | |
2806 r->headers_out.content_encoding = ho; | |
2807 | |
2808 return NGX_OK; | |
2809 } | |
2810 | |
2811 #endif | |
2812 | |
2813 | |
487 | 2814 static ngx_int_t |
573 | 2815 ngx_http_upstream_add_variables(ngx_conf_t *cf) |
479 | 2816 { |
880 | 2817 ngx_http_variable_t *var, *v; |
479 | 2818 |
573 | 2819 for (v = ngx_http_upstream_vars; v->name.len; v++) { |
2820 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
2821 if (var == NULL) { | |
2822 return NGX_ERROR; | |
2823 } | |
2824 | |
637 | 2825 var->get_handler = v->get_handler; |
573 | 2826 var->data = v->data; |
2827 } | |
2828 | |
479 | 2829 return NGX_OK; |
2830 } | |
509 | 2831 |
2832 | |
573 | 2833 static ngx_int_t |
1181 | 2834 ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
2835 ngx_http_variable_value_t *v, uintptr_t data) | |
2836 { | |
2837 u_char *p; | |
2838 size_t len; | |
2839 ngx_uint_t i; | |
2840 ngx_http_upstream_state_t *state; | |
2841 | |
2842 v->valid = 1; | |
1565 | 2843 v->no_cacheable = 0; |
1181 | 2844 v->not_found = 0; |
2845 | |
2846 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { | |
2847 v->not_found = 1; | |
2848 return NGX_OK; | |
2849 } | |
2850 | |
2851 len = 0; | |
2852 state = r->upstream_states->elts; | |
2853 | |
2854 for (i = 0; i < r->upstream_states->nelts; i++) { | |
2855 if (state[i].peer) { | |
2856 len += state[i].peer->len + 2; | |
2857 | |
2858 } else { | |
2859 len += 3; | |
2860 } | |
2861 } | |
2862 | |
2863 p = ngx_palloc(r->pool, len); | |
2864 if (p == NULL) { | |
2865 return NGX_ERROR; | |
2866 } | |
2867 | |
2868 v->data = p; | |
2869 | |
2870 i = 0; | |
2871 | |
2872 for ( ;; ) { | |
2873 if (state[i].peer) { | |
2874 p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len); | |
2875 } | |
2876 | |
2877 if (++i == r->upstream_states->nelts) { | |
2878 break; | |
2879 } | |
2880 | |
2881 if (state[i].peer) { | |
2882 *p++ = ','; | |
2883 *p++ = ' '; | |
2884 | |
2885 } else { | |
2886 *p++ = ' '; | |
2887 *p++ = ':'; | |
2888 *p++ = ' '; | |
2889 | |
2890 if (++i == r->upstream_states->nelts) { | |
2891 break; | |
2892 } | |
2893 | |
2894 continue; | |
2895 } | |
2896 } | |
2897 | |
2898 v->len = p - v->data; | |
2899 | |
2900 return NGX_OK; | |
2901 } | |
2902 | |
2903 | |
2904 static ngx_int_t | |
573 | 2905 ngx_http_upstream_status_variable(ngx_http_request_t *r, |
2906 ngx_http_variable_value_t *v, uintptr_t data) | |
2907 { | |
2908 u_char *p; | |
2909 size_t len; | |
2910 ngx_uint_t i; | |
2911 ngx_http_upstream_state_t *state; | |
2912 | |
2913 v->valid = 1; | |
1565 | 2914 v->no_cacheable = 0; |
573 | 2915 v->not_found = 0; |
2916 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2917 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
573 | 2918 v->not_found = 1; |
2919 return NGX_OK; | |
2920 } | |
2921 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2922 len = r->upstream_states->nelts * (3 + 2); |
573 | 2923 |
2924 p = ngx_palloc(r->pool, len); | |
2925 if (p == NULL) { | |
2926 return NGX_ERROR; | |
2927 } | |
2928 | |
2929 v->data = p; | |
2930 | |
2931 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
|
2932 state = r->upstream_states->elts; |
573 | 2933 |
2934 for ( ;; ) { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2935 if (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
|
2936 p = ngx_sprintf(p, "%ui", state[i].status); |
573 | 2937 |
2938 } else { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2939 *p++ = '-'; |
573 | 2940 } |
2941 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2942 if (++i == r->upstream_states->nelts) { |
573 | 2943 break; |
2944 } | |
2945 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2946 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
|
2947 *p++ = ','; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2948 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2949 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2950 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2951 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2952 *p++ = ':'; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2953 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2954 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2955 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
|
2956 break; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2957 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2958 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2959 continue; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2960 } |
573 | 2961 } |
2962 | |
2963 v->len = p - v->data; | |
2964 | |
2965 return NGX_OK; | |
2966 } | |
2967 | |
2968 | |
2969 static ngx_int_t | |
2970 ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
2971 ngx_http_variable_value_t *v, uintptr_t data) | |
2972 { | |
2973 u_char *p; | |
2974 size_t len; | |
2975 ngx_uint_t i; | |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2976 ngx_msec_int_t ms; |
573 | 2977 ngx_http_upstream_state_t *state; |
2978 | |
2979 v->valid = 1; | |
1565 | 2980 v->no_cacheable = 0; |
573 | 2981 v->not_found = 0; |
2982 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2983 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
573 | 2984 v->not_found = 1; |
2985 return NGX_OK; | |
2986 } | |
2987 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2988 len = r->upstream_states->nelts * (NGX_TIME_T_LEN + 4 + 2); |
573 | 2989 |
2990 p = ngx_palloc(r->pool, len); | |
2991 if (p == NULL) { | |
2992 return NGX_ERROR; | |
2993 } | |
2994 | |
2995 v->data = p; | |
2996 | |
2997 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
|
2998 state = r->upstream_states->elts; |
573 | 2999 |
3000 for ( ;; ) { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3001 if (state[i].status) { |
1640 | 3002 ms = (ngx_msec_int_t) |
3003 (state[i].response_sec * 1000 + state[i].response_msec); | |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
3004 ms = (ms >= 0) ? ms : 0; |
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
3005 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
|
3006 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3007 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3008 *p++ = '-'; |
573 | 3009 } |
3010 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3011 if (++i == r->upstream_states->nelts) { |
573 | 3012 break; |
3013 } | |
3014 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3015 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
|
3016 *p++ = ','; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3017 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3018 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3019 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3020 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3021 *p++ = ':'; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3022 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3023 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3024 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
|
3025 break; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3026 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3027 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3028 continue; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3029 } |
573 | 3030 } |
3031 | |
3032 v->len = p - v->data; | |
3033 | |
3034 return NGX_OK; | |
3035 } | |
3036 | |
3037 | |
1162 | 3038 ngx_int_t |
3039 ngx_http_upstream_header_variable(ngx_http_request_t *r, | |
3040 ngx_http_variable_value_t *v, uintptr_t data) | |
3041 { | |
3042 if (r->upstream == NULL) { | |
3043 v->not_found = 1; | |
3044 return NGX_OK; | |
3045 } | |
3046 | |
3047 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
3048 &r->upstream->headers_in.headers.part, | |
3049 sizeof("upstream_http_") - 1); | |
3050 } | |
3051 | |
3052 | |
651 | 3053 static char * |
3054 ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) | |
3055 { | |
884 | 3056 char *rv; |
3057 void *mconf; | |
3058 ngx_str_t *value; | |
3059 ngx_url_t u; | |
3060 ngx_uint_t m; | |
3061 ngx_conf_t pcf; | |
3062 ngx_http_module_t *module; | |
3063 ngx_http_conf_ctx_t *ctx, *http_ctx; | |
3064 ngx_http_upstream_srv_conf_t *uscf; | |
3065 | |
3066 ngx_memzero(&u, sizeof(ngx_url_t)); | |
3067 | |
3068 value = cf->args->elts; | |
3069 u.host = value[1]; | |
3070 u.no_resolve = 1; | |
3071 | |
3072 uscf = ngx_http_upstream_add(cf, &u, NGX_HTTP_UPSTREAM_CREATE | |
3073 |NGX_HTTP_UPSTREAM_WEIGHT | |
3074 |NGX_HTTP_UPSTREAM_MAX_FAILS | |
3075 |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT | |
3076 |NGX_HTTP_UPSTREAM_DOWN | |
3077 |NGX_HTTP_UPSTREAM_BACKUP); | |
3078 if (uscf == NULL) { | |
3079 return NGX_CONF_ERROR; | |
3080 } | |
3081 | |
651 | 3082 |
3083 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); | |
3084 if (ctx == NULL) { | |
3085 return NGX_CONF_ERROR; | |
3086 } | |
3087 | |
884 | 3088 http_ctx = cf->ctx; |
3089 ctx->main_conf = http_ctx->main_conf; | |
651 | 3090 |
3091 /* the upstream{}'s srv_conf */ | |
3092 | |
3093 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
3094 if (ctx->srv_conf == NULL) { | |
3095 return NGX_CONF_ERROR; | |
3096 } | |
3097 | |
3098 ctx->srv_conf[ngx_http_upstream_module.ctx_index] = uscf; | |
3099 | |
884 | 3100 uscf->srv_conf = ctx->srv_conf; |
3101 | |
651 | 3102 |
3103 /* the upstream{}'s loc_conf */ | |
3104 | |
3105 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
3106 if (ctx->loc_conf == NULL) { | |
3107 return NGX_CONF_ERROR; | |
3108 } | |
3109 | |
3110 for (m = 0; ngx_modules[m]; m++) { | |
3111 if (ngx_modules[m]->type != NGX_HTTP_MODULE) { | |
3112 continue; | |
3113 } | |
3114 | |
3115 module = ngx_modules[m]->ctx; | |
3116 | |
884 | 3117 if (module->create_srv_conf) { |
3118 mconf = module->create_srv_conf(cf); | |
3119 if (mconf == NULL) { | |
3120 return NGX_CONF_ERROR; | |
3121 } | |
3122 | |
3123 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
3124 } | |
3125 | |
651 | 3126 if (module->create_loc_conf) { |
3127 mconf = module->create_loc_conf(cf); | |
3128 if (mconf == NULL) { | |
3129 return NGX_CONF_ERROR; | |
3130 } | |
3131 | |
3132 ctx->loc_conf[ngx_modules[m]->ctx_index] = mconf; | |
3133 } | |
3134 } | |
3135 | |
3136 | |
3137 /* parse inside upstream{} */ | |
3138 | |
3139 pcf = *cf; | |
3140 cf->ctx = ctx; | |
3141 cf->cmd_type = NGX_HTTP_UPS_CONF; | |
3142 | |
3143 rv = ngx_conf_parse(cf, NULL); | |
3144 | |
3145 *cf = pcf; | |
3146 | |
3147 if (rv != NGX_CONF_OK) { | |
3148 return rv; | |
3149 } | |
3150 | |
3151 if (uscf->servers == NULL) { | |
3152 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3153 "no servers are inside upstream"); | |
3154 return NGX_CONF_ERROR; | |
3155 } | |
3156 | |
3157 return rv; | |
3158 } | |
3159 | |
3160 | |
3161 static char * | |
3162 ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
3163 { | |
3164 ngx_http_upstream_srv_conf_t *uscf = conf; | |
3165 | |
884 | 3166 time_t fail_timeout; |
3167 ngx_str_t *value, s; | |
3168 ngx_url_t u; | |
3169 ngx_int_t weight, max_fails; | |
3170 ngx_uint_t i; | |
3171 ngx_http_upstream_server_t *us; | |
651 | 3172 |
3173 if (uscf->servers == NULL) { | |
884 | 3174 uscf->servers = ngx_array_create(cf->pool, 4, |
3175 sizeof(ngx_http_upstream_server_t)); | |
651 | 3176 if (uscf->servers == NULL) { |
3177 return NGX_CONF_ERROR; | |
3178 } | |
3179 } | |
3180 | |
884 | 3181 us = ngx_array_push(uscf->servers); |
3182 if (us == NULL) { | |
651 | 3183 return NGX_CONF_ERROR; |
3184 } | |
3185 | |
884 | 3186 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); |
3187 | |
651 | 3188 value = cf->args->elts; |
3189 | |
3190 ngx_memzero(&u, sizeof(ngx_url_t)); | |
3191 | |
3192 u.url = value[1]; | |
906 | 3193 u.default_port = 80; |
651 | 3194 |
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3195 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
651 | 3196 if (u.err) { |
3197 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3198 "%s in upstream \"%V\"", u.err, &u.url); | |
3199 } | |
3200 | |
3201 return NGX_CONF_ERROR; | |
3202 } | |
3203 | |
663 | 3204 weight = 1; |
884 | 3205 max_fails = 1; |
3206 fail_timeout = 10; | |
3207 | |
3208 for (i = 2; i < cf->args->nelts; i++) { | |
3209 | |
3210 if (ngx_strncmp(value[i].data, "weight=", 7) == 0) { | |
3211 | |
3212 if (!(uscf->flags & NGX_HTTP_UPSTREAM_WEIGHT)) { | |
3213 goto invalid; | |
3214 } | |
3215 | |
3216 weight = ngx_atoi(&value[i].data[7], value[i].len - 7); | |
663 | 3217 |
3218 if (weight == NGX_ERROR || weight == 0) { | |
3219 goto invalid; | |
3220 } | |
3221 | |
884 | 3222 continue; |
3223 } | |
3224 | |
3225 if (ngx_strncmp(value[i].data, "max_fails=", 10) == 0) { | |
3226 | |
3227 if (!(uscf->flags & NGX_HTTP_UPSTREAM_MAX_FAILS)) { | |
3228 goto invalid; | |
3229 } | |
3230 | |
3231 max_fails = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
3232 | |
3233 if (max_fails == NGX_ERROR) { | |
3234 goto invalid; | |
3235 } | |
3236 | |
3237 continue; | |
663 | 3238 } |
884 | 3239 |
3240 if (ngx_strncmp(value[i].data, "fail_timeout=", 13) == 0) { | |
3241 | |
3242 if (!(uscf->flags & NGX_HTTP_UPSTREAM_FAIL_TIMEOUT)) { | |
3243 goto invalid; | |
3244 } | |
3245 | |
3246 s.len = value[i].len - 13; | |
3247 s.data = &value[i].data[13]; | |
3248 | |
3249 fail_timeout = ngx_parse_time(&s, 1); | |
3250 | |
3251 if (fail_timeout < 0) { | |
3252 goto invalid; | |
3253 } | |
3254 | |
3255 continue; | |
3256 } | |
3257 | |
1378 | 3258 if (ngx_strncmp(value[i].data, "backup", 6) == 0) { |
3259 | |
3260 if (!(uscf->flags & NGX_HTTP_UPSTREAM_BACKUP)) { | |
3261 goto invalid; | |
3262 } | |
3263 | |
3264 us->backup = 1; | |
3265 | |
3266 continue; | |
3267 } | |
3268 | |
884 | 3269 if (ngx_strncmp(value[i].data, "down", 4) == 0) { |
3270 | |
3271 if (!(uscf->flags & NGX_HTTP_UPSTREAM_DOWN)) { | |
3272 goto invalid; | |
3273 } | |
3274 | |
3275 us->down = 1; | |
3276 | |
3277 continue; | |
3278 } | |
3279 | |
3280 goto invalid; | |
663 | 3281 } |
3282 | |
884 | 3283 us->addrs = u.addrs; |
3284 us->naddrs = u.naddrs; | |
3285 us->weight = weight; | |
3286 us->max_fails = max_fails; | |
3287 us->fail_timeout = fail_timeout; | |
651 | 3288 |
3289 return NGX_CONF_OK; | |
663 | 3290 |
3291 invalid: | |
3292 | |
884 | 3293 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3294 "invalid parameter \"%V\"", &value[i]); | |
663 | 3295 |
3296 return NGX_CONF_ERROR; | |
651 | 3297 } |
3298 | |
3299 | |
3300 ngx_http_upstream_srv_conf_t * | |
884 | 3301 ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags) |
651 | 3302 { |
3303 ngx_uint_t i; | |
884 | 3304 ngx_http_upstream_server_t *us; |
651 | 3305 ngx_http_upstream_srv_conf_t *uscf, **uscfp; |
3306 ngx_http_upstream_main_conf_t *umcf; | |
3307 | |
884 | 3308 if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) { |
3309 | |
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3310 if (ngx_parse_url(cf->pool, u) != NGX_OK) { |
651 | 3311 if (u->err) { |
3312 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3313 "%s in upstream \"%V\"", u->err, &u->url); | |
3314 } | |
3315 | |
3316 return NULL; | |
3317 } | |
3318 } | |
3319 | |
3320 umcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_upstream_module); | |
3321 | |
3322 uscfp = umcf->upstreams.elts; | |
3323 | |
3324 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
906 | 3325 |
3326 if (uscfp[i]->host.len != u->host.len | |
884 | 3327 || ngx_strncasecmp(uscfp[i]->host.data, u->host.data, u->host.len) |
3328 != 0) | |
3329 { | |
651 | 3330 continue; |
3331 } | |
3332 | |
884 | 3333 if ((flags & NGX_HTTP_UPSTREAM_CREATE) |
3334 && (uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE)) | |
651 | 3335 { |
884 | 3336 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3337 "duplicate upstream \"%V\"", &u->host); | |
3338 return NULL; | |
651 | 3339 } |
884 | 3340 |
906 | 3341 if ((uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE) && u->port) { |
884 | 3342 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
906 | 3343 "upstream \"%V\" may not have port %d", |
3344 &u->host, u->port); | |
3345 return NULL; | |
3346 } | |
3347 | |
3348 if ((flags & NGX_HTTP_UPSTREAM_CREATE) && uscfp[i]->port) { | |
3349 ngx_log_error(NGX_LOG_WARN, cf->log, 0, | |
3350 "upstream \"%V\" may not have port %d in %s:%ui", | |
3351 &u->host, uscfp[i]->port, | |
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3352 uscfp[i]->file_name, uscfp[i]->line); |
906 | 3353 return NULL; |
3354 } | |
3355 | |
3356 if (uscfp[i]->port != u->port) { | |
3357 continue; | |
884 | 3358 } |
3359 | |
1340 | 3360 if (uscfp[i]->default_port && u->default_port |
3361 && uscfp[i]->default_port != u->default_port) | |
3362 { | |
3363 continue; | |
3364 } | |
3365 | |
884 | 3366 return uscfp[i]; |
651 | 3367 } |
3368 | |
3369 uscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_srv_conf_t)); | |
3370 if (uscf == NULL) { | |
3371 return NULL; | |
3372 } | |
3373 | |
884 | 3374 uscf->flags = flags; |
651 | 3375 uscf->host = u->host; |
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3376 uscf->file_name = cf->conf_file->file.name.data; |
651 | 3377 uscf->line = cf->conf_file->line; |
906 | 3378 uscf->port = u->port; |
3379 uscf->default_port = u->default_port; | |
884 | 3380 |
3381 if (u->naddrs == 1) { | |
3382 uscf->servers = ngx_array_create(cf->pool, 1, | |
3383 sizeof(ngx_http_upstream_server_t)); | |
3384 if (uscf->servers == NULL) { | |
3385 return NGX_CONF_ERROR; | |
3386 } | |
3387 | |
3388 us = ngx_array_push(uscf->servers); | |
3389 if (us == NULL) { | |
3390 return NGX_CONF_ERROR; | |
3391 } | |
3392 | |
3393 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); | |
3394 | |
3395 us->addrs = u->addrs; | |
3396 us->naddrs = u->naddrs; | |
3397 } | |
651 | 3398 |
3399 uscfp = ngx_array_push(&umcf->upstreams); | |
3400 if (uscfp == NULL) { | |
3401 return NULL; | |
3402 } | |
3403 | |
3404 *uscfp = uscf; | |
3405 | |
3406 return uscf; | |
3407 } | |
3408 | |
3409 | |
509 | 3410 static void * |
3411 ngx_http_upstream_create_main_conf(ngx_conf_t *cf) | |
3412 { | |
3413 ngx_http_upstream_main_conf_t *umcf; | |
3414 | |
3415 umcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_main_conf_t)); | |
3416 if (umcf == NULL) { | |
3417 return NULL; | |
3418 } | |
3419 | |
651 | 3420 if (ngx_array_init(&umcf->upstreams, cf->pool, 4, |
3421 sizeof(ngx_http_upstream_srv_conf_t *)) | |
3422 != NGX_OK) | |
3423 { | |
3424 return NGX_CONF_ERROR; | |
3425 } | |
3426 | |
509 | 3427 return umcf; |
3428 } | |
3429 | |
3430 | |
3431 static char * | |
651 | 3432 ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf) |
509 | 3433 { |
3434 ngx_http_upstream_main_conf_t *umcf = conf; | |
3435 | |
651 | 3436 ngx_uint_t i; |
3437 ngx_array_t headers_in; | |
3438 ngx_hash_key_t *hk; | |
3439 ngx_hash_init_t hash; | |
884 | 3440 ngx_http_upstream_init_pt init; |
651 | 3441 ngx_http_upstream_header_t *header; |
3442 ngx_http_upstream_srv_conf_t **uscfp; | |
3443 | |
3444 uscfp = umcf->upstreams.elts; | |
3445 | |
3446 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
884 | 3447 |
3448 init = uscfp[i]->peer.init_upstream ? uscfp[i]->peer.init_upstream: | |
3449 ngx_http_upstream_init_round_robin; | |
3450 | |
3451 if (init(cf, uscfp[i]) != NGX_OK) { | |
651 | 3452 return NGX_CONF_ERROR; |
3453 } | |
3454 } | |
649 | 3455 |
663 | 3456 |
884 | 3457 /* upstream_headers_in_hash */ |
3458 | |
649 | 3459 if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) |
3460 != NGX_OK) | |
509 | 3461 { |
3462 return NGX_CONF_ERROR; | |
3463 } | |
3464 | |
649 | 3465 for (header = ngx_http_upstream_headers_in; header->name.len; header++) { |
3466 hk = ngx_array_push(&headers_in); | |
3467 if (hk == NULL) { | |
3468 return NGX_CONF_ERROR; | |
3469 } | |
3470 | |
3471 hk->key = header->name; | |
3472 hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len); | |
3473 hk->value = header; | |
3474 } | |
3475 | |
3476 hash.hash = &umcf->headers_in_hash; | |
3477 hash.key = ngx_hash_key_lc; | |
3478 hash.max_size = 512; | |
751
bae59a740c40
align hash bucket size to cache line
Igor Sysoev <igor@sysoev.ru>
parents:
750
diff
changeset
|
3479 hash.bucket_size = ngx_align(64, ngx_cacheline_size); |
649 | 3480 hash.name = "upstream_headers_in_hash"; |
3481 hash.pool = cf->pool; | |
3482 hash.temp_pool = NULL; | |
3483 | |
3484 if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) { | |
3485 return NGX_CONF_ERROR; | |
3486 } | |
509 | 3487 |
3488 return NGX_CONF_OK; | |
3489 } |