Mercurial > hg > nginx
annotate src/http/ngx_http_upstream.c @ 2377:87b8c44906b5
*) refactor subrequest handling, now they run as separate posted requests
*) now $upstream_addr, $upstream_status, $upstream_response_time can be used
with log_subrequest
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 08 Dec 2008 14:23:20 +0000 |
parents | 64854406b1f9 |
children | 3d7a70173d77 |
rev | line source |
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479 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_http.h> | |
10 | |
11 | |
1658 | 12 static void ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx); |
509 | 13 static void ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r); |
14 static void ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r); | |
15 static void ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
16 ngx_event_t *ev); | |
479 | 17 static void ngx_http_upstream_connect(ngx_http_request_t *r, |
487 | 18 ngx_http_upstream_t *u); |
509 | 19 static ngx_int_t ngx_http_upstream_reinit(ngx_http_request_t *r, |
487 | 20 ngx_http_upstream_t *u); |
479 | 21 static void ngx_http_upstream_send_request(ngx_http_request_t *r, |
487 | 22 ngx_http_upstream_t *u); |
479 | 23 static void ngx_http_upstream_send_request_handler(ngx_event_t *wev); |
24 static void ngx_http_upstream_process_header(ngx_event_t *rev); | |
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25 static ngx_int_t ngx_http_upstream_test_next(ngx_http_request_t *r, |
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26 ngx_http_upstream_t *u); |
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27 static ngx_int_t ngx_http_upstream_intercept_errors(ngx_http_request_t *r, |
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28 ngx_http_upstream_t *u); |
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29 static ngx_int_t ngx_http_upstream_test_connect(ngx_connection_t *c); |
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30 static void ngx_http_upstream_process_body_in_memory(ngx_event_t *rev); |
479 | 31 static void ngx_http_upstream_send_response(ngx_http_request_t *r, |
487 | 32 ngx_http_upstream_t *u); |
581 | 33 static void |
34 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r); | |
35 static void ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev); | |
36 static ngx_int_t ngx_http_upstream_non_buffered_filter_init(void *data); | |
37 static ngx_int_t ngx_http_upstream_non_buffered_filter(void *data, | |
38 ssize_t bytes); | |
509 | 39 static void ngx_http_upstream_process_downstream(ngx_http_request_t *r); |
479 | 40 static void ngx_http_upstream_process_body(ngx_event_t *ev); |
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41 static void ngx_http_upstream_store(ngx_http_request_t *r, |
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42 ngx_http_upstream_t *u); |
479 | 43 static void ngx_http_upstream_dummy_handler(ngx_event_t *wev); |
44 static void ngx_http_upstream_next(ngx_http_request_t *r, | |
487 | 45 ngx_http_upstream_t *u, ngx_uint_t ft_type); |
569 | 46 static void ngx_http_upstream_cleanup(void *data); |
479 | 47 static void ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
487 | 48 ngx_http_upstream_t *u, ngx_int_t rc); |
479 | 49 |
509 | 50 static ngx_int_t ngx_http_upstream_process_header_line(ngx_http_request_t *r, |
51 ngx_table_elt_t *h, ngx_uint_t offset); | |
52 static ngx_int_t | |
53 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
54 ngx_table_elt_t *h, ngx_uint_t offset); | |
55 static ngx_int_t ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, | |
56 ngx_table_elt_t *h, ngx_uint_t offset); | |
527 | 57 static ngx_int_t ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, |
58 ngx_table_elt_t *h, ngx_uint_t offset); | |
649 | 59 static ngx_int_t ngx_http_upstream_process_buffering(ngx_http_request_t *r, |
509 | 60 ngx_table_elt_t *h, ngx_uint_t offset); |
657 | 61 static ngx_int_t ngx_http_upstream_process_charset(ngx_http_request_t *r, |
62 ngx_table_elt_t *h, ngx_uint_t offset); | |
649 | 63 static ngx_int_t ngx_http_upstream_copy_header_line(ngx_http_request_t *r, |
509 | 64 ngx_table_elt_t *h, ngx_uint_t offset); |
65 static ngx_int_t | |
66 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
67 ngx_table_elt_t *h, ngx_uint_t offset); | |
68 static ngx_int_t ngx_http_upstream_copy_content_type(ngx_http_request_t *r, | |
69 ngx_table_elt_t *h, ngx_uint_t offset); | |
70 static ngx_int_t ngx_http_upstream_copy_content_length(ngx_http_request_t *r, | |
71 ngx_table_elt_t *h, ngx_uint_t offset); | |
72 static ngx_int_t ngx_http_upstream_rewrite_location(ngx_http_request_t *r, | |
73 ngx_table_elt_t *h, ngx_uint_t offset); | |
74 static ngx_int_t ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, | |
75 ngx_table_elt_t *h, ngx_uint_t offset); | |
76 #if (NGX_HTTP_GZIP) | |
77 static ngx_int_t ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
78 ngx_table_elt_t *h, ngx_uint_t offset); | |
79 #endif | |
80 | |
573 | 81 static ngx_int_t ngx_http_upstream_add_variables(ngx_conf_t *cf); |
1181 | 82 static ngx_int_t ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
83 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 84 static ngx_int_t ngx_http_upstream_status_variable(ngx_http_request_t *r, |
85 ngx_http_variable_value_t *v, uintptr_t data); | |
86 static ngx_int_t ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
87 ngx_http_variable_value_t *v, uintptr_t data); | |
88 | |
651 | 89 static char *ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy); |
90 static char *ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
91 void *conf); | |
92 | |
509 | 93 static void *ngx_http_upstream_create_main_conf(ngx_conf_t *cf); |
651 | 94 static char *ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf); |
509 | 95 |
577 | 96 #if (NGX_HTTP_SSL) |
591 | 97 static void ngx_http_upstream_ssl_init_connection(ngx_http_request_t *, |
98 ngx_http_upstream_t *u, ngx_connection_t *c); | |
577 | 99 static void ngx_http_upstream_ssl_handshake(ngx_connection_t *c); |
100 #endif | |
101 | |
509 | 102 |
103 ngx_http_upstream_header_t ngx_http_upstream_headers_in[] = { | |
104 | |
105 { ngx_string("Status"), | |
106 ngx_http_upstream_process_header_line, | |
107 offsetof(ngx_http_upstream_headers_in_t, status), | |
649 | 108 ngx_http_upstream_copy_header_line, 0, 0 }, |
509 | 109 |
110 { ngx_string("Content-Type"), | |
111 ngx_http_upstream_process_header_line, | |
112 offsetof(ngx_http_upstream_headers_in_t, content_type), | |
673 | 113 ngx_http_upstream_copy_content_type, 0, 1 }, |
509 | 114 |
115 { ngx_string("Content-Length"), | |
116 ngx_http_upstream_process_header_line, | |
117 offsetof(ngx_http_upstream_headers_in_t, content_length), | |
515 | 118 ngx_http_upstream_copy_content_length, 0, 0 }, |
509 | 119 |
120 { ngx_string("Date"), | |
121 ngx_http_upstream_process_header_line, | |
122 offsetof(ngx_http_upstream_headers_in_t, date), | |
649 | 123 ngx_http_upstream_copy_header_line, |
124 offsetof(ngx_http_headers_out_t, date), 0 }, | |
509 | 125 |
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126 { ngx_string("Last-Modified"), |
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127 ngx_http_upstream_process_header_line, |
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128 offsetof(ngx_http_upstream_headers_in_t, last_modified), |
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129 ngx_http_upstream_copy_header_line, |
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130 offsetof(ngx_http_headers_out_t, last_modified), 0 }, |
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131 |
509 | 132 { ngx_string("Server"), |
133 ngx_http_upstream_process_header_line, | |
134 offsetof(ngx_http_upstream_headers_in_t, server), | |
649 | 135 ngx_http_upstream_copy_header_line, |
136 offsetof(ngx_http_headers_out_t, server), 0 }, | |
509 | 137 |
529 | 138 { ngx_string("WWW-Authenticate"), |
139 ngx_http_upstream_process_header_line, | |
140 offsetof(ngx_http_upstream_headers_in_t, www_authenticate), | |
141 ngx_http_upstream_copy_header_line, 0, 0 }, | |
142 | |
509 | 143 { ngx_string("Location"), |
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144 ngx_http_upstream_process_header_line, |
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145 offsetof(ngx_http_upstream_headers_in_t, location), |
515 | 146 ngx_http_upstream_rewrite_location, 0, 0 }, |
509 | 147 |
148 { ngx_string("Refresh"), | |
149 ngx_http_upstream_ignore_header_line, 0, | |
515 | 150 ngx_http_upstream_rewrite_refresh, 0, 0 }, |
151 | |
152 { ngx_string("Set-Cookie"), | |
153 ngx_http_upstream_ignore_header_line, 0, | |
531 | 154 ngx_http_upstream_copy_header_line, 0, 1 }, |
155 | |
156 { ngx_string("Content-Disposition"), | |
157 ngx_http_upstream_ignore_header_line, 0, | |
158 ngx_http_upstream_copy_header_line, 0, 1 }, | |
509 | 159 |
160 { ngx_string("Cache-Control"), | |
161 ngx_http_upstream_process_multi_header_lines, | |
162 offsetof(ngx_http_upstream_headers_in_t, cache_control), | |
163 ngx_http_upstream_copy_multi_header_lines, | |
515 | 164 offsetof(ngx_http_headers_out_t, cache_control), 1 }, |
509 | 165 |
573 | 166 { ngx_string("Expires"), |
167 ngx_http_upstream_process_header_line, | |
168 offsetof(ngx_http_upstream_headers_in_t, expires), | |
169 ngx_http_upstream_copy_header_line, | |
170 offsetof(ngx_http_headers_out_t, expires), 1 }, | |
171 | |
577 | 172 { ngx_string("Accept-Ranges"), |
173 ngx_http_upstream_process_header_line, | |
174 offsetof(ngx_http_upstream_headers_in_t, accept_ranges), | |
175 ngx_http_upstream_copy_header_line, | |
176 offsetof(ngx_http_headers_out_t, accept_ranges), 1 }, | |
177 | |
509 | 178 { ngx_string("Connection"), |
179 ngx_http_upstream_ignore_header_line, 0, | |
515 | 180 ngx_http_upstream_ignore_header_line, 0, 0 }, |
509 | 181 |
641 | 182 { ngx_string("Keep-Alive"), |
183 ngx_http_upstream_ignore_header_line, 0, | |
184 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
185 | |
509 | 186 { ngx_string("X-Powered-By"), |
187 ngx_http_upstream_ignore_header_line, 0, | |
649 | 188 ngx_http_upstream_copy_header_line, 0, 0 }, |
509 | 189 |
190 { ngx_string("X-Accel-Expires"), | |
191 ngx_http_upstream_process_header_line, | |
192 offsetof(ngx_http_upstream_headers_in_t, x_accel_expires), | |
649 | 193 ngx_http_upstream_copy_header_line, 0, 0 }, |
515 | 194 |
195 { ngx_string("X-Accel-Redirect"), | |
196 ngx_http_upstream_process_header_line, | |
197 offsetof(ngx_http_upstream_headers_in_t, x_accel_redirect), | |
198 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
509 | 199 |
527 | 200 { ngx_string("X-Accel-Limit-Rate"), |
201 ngx_http_upstream_process_limit_rate, 0, | |
202 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
203 | |
649 | 204 { ngx_string("X-Accel-Buffering"), |
205 ngx_http_upstream_process_buffering, 0, | |
206 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
207 | |
657 | 208 { ngx_string("X-Accel-Charset"), |
209 ngx_http_upstream_process_charset, 0, | |
210 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
211 | |
509 | 212 #if (NGX_HTTP_GZIP) |
213 { ngx_string("Content-Encoding"), | |
214 ngx_http_upstream_process_header_line, | |
215 offsetof(ngx_http_upstream_headers_in_t, content_encoding), | |
515 | 216 ngx_http_upstream_copy_content_encoding, 0, 0 }, |
509 | 217 #endif |
218 | |
515 | 219 { ngx_null_string, NULL, 0, NULL, 0, 0 } |
509 | 220 }; |
479 | 221 |
222 | |
651 | 223 static ngx_command_t ngx_http_upstream_commands[] = { |
224 | |
225 { ngx_string("upstream"), | |
226 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1, | |
227 ngx_http_upstream, | |
228 0, | |
229 0, | |
230 NULL }, | |
231 | |
232 { ngx_string("server"), | |
884 | 233 NGX_HTTP_UPS_CONF|NGX_CONF_1MORE, |
651 | 234 ngx_http_upstream_server, |
235 NGX_HTTP_SRV_CONF_OFFSET, | |
236 0, | |
237 NULL }, | |
238 | |
239 ngx_null_command | |
240 }; | |
241 | |
242 | |
243 static ngx_http_module_t ngx_http_upstream_module_ctx = { | |
573 | 244 ngx_http_upstream_add_variables, /* preconfiguration */ |
509 | 245 NULL, /* postconfiguration */ |
246 | |
247 ngx_http_upstream_create_main_conf, /* create main configuration */ | |
651 | 248 ngx_http_upstream_init_main_conf, /* init main configuration */ |
479 | 249 |
250 NULL, /* create server configuration */ | |
251 NULL, /* merge server configuration */ | |
252 | |
253 NULL, /* create location configuration */ | |
254 NULL /* merge location configuration */ | |
255 }; | |
577 | 256 |
479 | 257 |
258 ngx_module_t ngx_http_upstream_module = { | |
509 | 259 NGX_MODULE_V1, |
479 | 260 &ngx_http_upstream_module_ctx, /* module context */ |
651 | 261 ngx_http_upstream_commands, /* module directives */ |
479 | 262 NGX_HTTP_MODULE, /* module type */ |
541 | 263 NULL, /* init master */ |
479 | 264 NULL, /* init module */ |
541 | 265 NULL, /* init process */ |
266 NULL, /* init thread */ | |
267 NULL, /* exit thread */ | |
268 NULL, /* exit process */ | |
269 NULL, /* exit master */ | |
270 NGX_MODULE_V1_PADDING | |
479 | 271 }; |
272 | |
273 | |
573 | 274 static ngx_http_variable_t ngx_http_upstream_vars[] = { |
275 | |
1181 | 276 { ngx_string("upstream_addr"), NULL, |
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277 ngx_http_upstream_addr_variable, 0, |
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278 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
1181 | 279 |
637 | 280 { ngx_string("upstream_status"), NULL, |
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281 ngx_http_upstream_status_variable, 0, |
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282 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
573 | 283 |
637 | 284 { ngx_string("upstream_response_time"), NULL, |
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285 ngx_http_upstream_response_time_variable, 0, |
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286 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
573 | 287 |
637 | 288 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
573 | 289 }; |
290 | |
291 | |
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292 static ngx_http_upstream_next_t ngx_http_upstream_next_errors[] = { |
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293 { 500, NGX_HTTP_UPSTREAM_FT_HTTP_500 }, |
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294 { 502, NGX_HTTP_UPSTREAM_FT_HTTP_502 }, |
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295 { 503, NGX_HTTP_UPSTREAM_FT_HTTP_503 }, |
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296 { 504, NGX_HTTP_UPSTREAM_FT_HTTP_504 }, |
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297 { 404, NGX_HTTP_UPSTREAM_FT_HTTP_404 }, |
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298 { 0, 0 } |
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299 }; |
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300 |
487 | 301 void |
302 ngx_http_upstream_init(ngx_http_request_t *r) | |
479 | 303 { |
1658 | 304 ngx_str_t *host; |
305 ngx_uint_t i; | |
306 ngx_connection_t *c; | |
307 ngx_resolver_ctx_t *ctx, temp; | |
308 ngx_http_cleanup_t *cln; | |
309 ngx_http_upstream_t *u; | |
310 ngx_http_core_loc_conf_t *clcf; | |
311 ngx_http_upstream_srv_conf_t *uscf, **uscfp; | |
312 ngx_http_upstream_main_conf_t *umcf; | |
479 | 313 |
314 c = r->connection; | |
315 | |
316 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
317 "http init upstream, client timer: %d", c->read->timer_set); | |
318 | |
319 if (c->read->timer_set) { | |
320 ngx_del_timer(c->read); | |
321 } | |
322 | |
629 | 323 u = r->upstream; |
324 | |
325 if (!r->post_action && !u->conf->ignore_client_abort) { | |
615 | 326 r->read_event_handler = ngx_http_upstream_rd_check_broken_connection; |
327 r->write_event_handler = ngx_http_upstream_wr_check_broken_connection; | |
328 } | |
577 | 329 |
479 | 330 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { |
331 | |
332 if (!c->write->active) { | |
531 | 333 if (ngx_add_event(c->write, NGX_WRITE_EVENT, NGX_CLEAR_EVENT) |
334 == NGX_ERROR) | |
479 | 335 { |
336 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
337 return; | |
338 } | |
339 } | |
340 } | |
341 | |
537 | 342 if (r->request_body) { |
343 u->request_bufs = r->request_body->bufs; | |
344 } | |
509 | 345 |
537 | 346 if (u->create_request(r) != NGX_OK) { |
479 | 347 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
348 return; | |
349 } | |
350 | |
509 | 351 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
479 | 352 |
353 u->output.pool = r->pool; | |
354 u->output.bufs.num = 1; | |
509 | 355 u->output.bufs.size = clcf->client_body_buffer_size; |
479 | 356 u->output.output_filter = ngx_chain_writer; |
357 u->output.filter_ctx = &u->writer; | |
358 | |
359 u->writer.pool = r->pool; | |
360 | |
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361 if (r->upstream_states == NULL) { |
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362 |
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363 r->upstream_states = ngx_array_create(r->pool, 1, |
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364 sizeof(ngx_http_upstream_state_t)); |
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365 if (r->upstream_states == NULL) { |
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366 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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367 return; |
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368 } |
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369 |
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370 } else { |
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371 |
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372 u->state = ngx_array_push(r->upstream_states); |
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373 if (u->state == NULL) { |
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374 ngx_http_upstream_finalize_request(r, u, |
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375 NGX_HTTP_INTERNAL_SERVER_ERROR); |
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376 return; |
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377 } |
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378 |
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379 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); |
479 | 380 } |
381 | |
593 | 382 cln = ngx_http_cleanup_add(r, 0); |
569 | 383 if (cln == NULL) { |
384 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
385 return; | |
386 } | |
387 | |
388 cln->handler = ngx_http_upstream_cleanup; | |
389 cln->data = r; | |
390 u->cleanup = &cln->handler; | |
391 | |
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392 u->store = (u->conf->store || u->conf->store_lengths); |
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393 |
1658 | 394 if (u->resolved == NULL) { |
395 | |
396 uscf = u->conf->upstream; | |
397 | |
398 } else { | |
399 | |
1705 | 400 host = &u->resolved->host; |
1658 | 401 |
402 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
403 | |
404 uscfp = umcf->upstreams.elts; | |
405 | |
406 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
407 | |
408 uscf = uscfp[i]; | |
409 | |
410 if (uscf->host.len == host->len | |
2285 | 411 && ((uscf->port == 0 && u->resolved->no_port) |
1912 | 412 || uscf->port == u->resolved->port) |
1658 | 413 && ngx_memcmp(uscf->host.data, host->data, host->len) == 0) |
414 { | |
415 goto found; | |
416 } | |
417 } | |
418 | |
419 temp.name = *host; | |
420 | |
421 ctx = ngx_resolve_start(clcf->resolver, &temp); | |
422 if (ctx == NULL) { | |
423 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
424 return; | |
425 } | |
426 | |
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427 if (ctx == NGX_NO_RESOLVER) { |
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428 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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429 "no resolver defined to resolve %V", host); |
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430 |
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431 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); |
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432 return; |
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433 } |
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434 |
1658 | 435 ctx->name = *host; |
436 ctx->type = NGX_RESOLVE_A; | |
437 ctx->handler = ngx_http_upstream_resolve_handler; | |
438 ctx->data = r; | |
439 ctx->timeout = clcf->resolver_timeout; | |
440 | |
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441 u->resolved->ctx = ctx; |
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442 |
1658 | 443 if (ngx_resolve_name(ctx) != NGX_OK) { |
1959
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444 u->resolved->ctx = NULL; |
1658 | 445 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
446 return; | |
447 } | |
448 | |
449 return; | |
450 } | |
451 | |
452 found: | |
453 | |
454 if (uscf->peer.init(r, uscf) != NGX_OK) { | |
455 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
456 return; | |
457 } | |
458 | |
479 | 459 ngx_http_upstream_connect(r, u); |
460 } | |
461 | |
462 | |
487 | 463 static void |
1658 | 464 ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx) |
465 { | |
466 ngx_http_request_t *r; | |
467 ngx_http_upstream_resolved_t *ur; | |
468 | |
469 r = ctx->data; | |
470 | |
471 r->upstream->resolved->ctx = NULL; | |
472 | |
473 if (ctx->state) { | |
474 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
475 "%V could not be resolved (%i: %s)", | |
476 &ctx->name, ctx->state, | |
477 ngx_resolver_strerror(ctx->state)); | |
478 | |
479 ngx_resolve_name_done(ctx); | |
480 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); | |
481 return; | |
482 } | |
483 | |
484 ur = r->upstream->resolved; | |
485 ur->naddrs = ctx->naddrs; | |
486 ur->addrs = ctx->addrs; | |
487 | |
488 #if (NGX_DEBUG) | |
489 { | |
490 in_addr_t addr; | |
491 ngx_uint_t i; | |
492 | |
493 for (i = 0; i < ctx->naddrs; i++) { | |
494 addr = ntohl(ur->addrs[i]); | |
495 | |
496 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
497 "name was resolved to %ud.%ud.%ud.%ud", | |
498 (addr >> 24) & 0xff, (addr >> 16) & 0xff, | |
499 (addr >> 8) & 0xff, addr & 0xff); | |
500 } | |
501 } | |
502 #endif | |
503 | |
504 if (ngx_http_upstream_create_round_robin_peer(r, ur) != NGX_OK) { | |
505 ngx_resolve_name_done(ctx); | |
506 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
507 return; | |
508 } | |
509 | |
510 ngx_resolve_name_done(ctx); | |
511 | |
512 ngx_http_upstream_connect(r, r->upstream); | |
513 } | |
514 | |
515 | |
516 static void | |
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517 ngx_http_upstream_handler(ngx_event_t *ev) |
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518 { |
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519 ngx_connection_t *c; |
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520 ngx_http_request_t *r; |
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521 ngx_http_log_ctx_t *ctx; |
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522 ngx_http_upstream_t *u; |
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523 |
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524 c = ev->data; |
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525 r = c->data; |
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526 |
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527 u = r->upstream; |
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528 c = r->connection; |
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529 |
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530 ctx = c->log->data; |
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531 ctx->current_request = r; |
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532 |
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533 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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534 "http upstream request: \"%V?%V\"", &r->uri, &r->args); |
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535 |
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536 if (ev->write) { |
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537 u->write_event_handler(ev); |
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538 |
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539 } else { |
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540 u->read_event_handler(ev); |
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541 } |
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542 |
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543 ngx_http_run_posted_requests(c); |
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544 } |
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545 |
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546 |
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547 static void |
509 | 548 ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r) |
549 { | |
550 ngx_http_upstream_check_broken_connection(r, r->connection->read); | |
551 } | |
552 | |
553 | |
554 static void | |
555 ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r) | |
556 { | |
557 ngx_http_upstream_check_broken_connection(r, r->connection->write); | |
558 } | |
559 | |
560 | |
561 static void | |
562 ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
563 ngx_event_t *ev) | |
479 | 564 { |
565 int n; | |
566 char buf[1]; | |
577 | 567 ngx_err_t err; |
479 | 568 ngx_connection_t *c; |
569 ngx_http_upstream_t *u; | |
570 | |
527 | 571 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
572 "http upstream check client, write event:%d, \"%V\"", | |
573 ev->write, &r->uri); | |
479 | 574 |
509 | 575 c = r->connection; |
483 | 576 u = r->upstream; |
577 | |
583 | 578 if (c->error) { |
527 | 579 ngx_http_upstream_finalize_request(r, u, |
580 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
581 return; | |
582 } | |
583 | |
483 | 584 if (u->peer.connection == NULL) { |
585 return; | |
586 } | |
587 | |
479 | 588 #if (NGX_HAVE_KQUEUE) |
589 | |
590 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
591 | |
592 if (!ev->pending_eof) { | |
593 return; | |
594 } | |
595 | |
596 ev->eof = 1; | |
583 | 597 c->error = 1; |
479 | 598 |
599 if (ev->kq_errno) { | |
600 ev->error = 1; | |
601 } | |
602 | |
1565 | 603 if (!u->cacheable && !u->store && u->peer.connection) { |
479 | 604 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, |
527 | 605 "kevent() reported that client closed prematurely " |
606 "connection, so upstream connection is closed too"); | |
479 | 607 ngx_http_upstream_finalize_request(r, u, |
608 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
609 return; | |
610 } | |
611 | |
612 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, | |
613 "kevent() reported that client closed " | |
614 "prematurely connection"); | |
615 | |
616 if (u->peer.connection == NULL) { | |
617 ngx_http_upstream_finalize_request(r, u, | |
618 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
619 return; | |
620 } | |
621 | |
622 return; | |
623 } | |
624 | |
625 #endif | |
626 | |
627 n = recv(c->fd, buf, 1, MSG_PEEK); | |
628 | |
629 err = ngx_socket_errno; | |
630 | |
1109 | 631 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, err, |
632 "http upstream recv(): %d", n); | |
633 | |
479 | 634 /* |
635 * we do not need to disable the write event because | |
636 * that event has NGX_USE_CLEAR_EVENT type | |
637 */ | |
638 | |
639 if (ev->write && (n >= 0 || err == NGX_EAGAIN)) { | |
640 return; | |
641 } | |
642 | |
643 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { | |
644 if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { | |
645 ngx_http_upstream_finalize_request(r, u, | |
646 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
647 return; | |
648 } | |
649 } | |
650 | |
651 if (n > 0) { | |
652 return; | |
653 } | |
654 | |
655 if (n == -1) { | |
656 if (err == NGX_EAGAIN) { | |
657 return; | |
658 } | |
659 | |
660 ev->error = 1; | |
661 | |
483 | 662 } else { /* n == 0 */ |
479 | 663 err = 0; |
664 } | |
665 | |
529 | 666 ev->eof = 1; |
583 | 667 c->error = 1; |
529 | 668 |
1565 | 669 if (!u->cacheable && !u->store && u->peer.connection) { |
479 | 670 ngx_log_error(NGX_LOG_INFO, ev->log, err, |
671 "client closed prematurely connection, " | |
672 "so upstream connection is closed too"); | |
673 ngx_http_upstream_finalize_request(r, u, | |
674 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
675 return; | |
676 } | |
677 | |
678 ngx_log_error(NGX_LOG_INFO, ev->log, err, | |
679 "client closed prematurely connection"); | |
680 | |
681 if (u->peer.connection == NULL) { | |
682 ngx_http_upstream_finalize_request(r, u, | |
683 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
684 return; | |
685 } | |
686 } | |
687 | |
688 | |
487 | 689 static void |
690 ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
479 | 691 { |
591 | 692 ngx_int_t rc; |
665 | 693 ngx_time_t *tp; |
591 | 694 ngx_connection_t *c; |
479 | 695 |
483 | 696 r->connection->log->action = "connecting to upstream"; |
479 | 697 |
698 r->connection->single_connection = 0; | |
699 | |
889
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700 if (u->state && u->state->response_sec) { |
665 | 701 tp = ngx_timeofday(); |
889
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702 u->state->response_sec = tp->sec - u->state->response_sec; |
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703 u->state->response_msec = tp->msec - u->state->response_msec; |
665 | 704 } |
705 | |
1168
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changeset
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706 u->state = ngx_array_push(r->upstream_states); |
665 | 707 if (u->state == NULL) { |
708 ngx_http_upstream_finalize_request(r, u, | |
709 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
710 return; | |
711 } | |
712 | |
713 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); | |
714 | |
715 tp = ngx_timeofday(); | |
889
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716 u->state->response_sec = tp->sec; |
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717 u->state->response_msec = tp->msec; |
665 | 718 |
479 | 719 rc = ngx_event_connect_peer(&u->peer); |
720 | |
721 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
722 "http upstream connect: %i", rc); | |
723 | |
724 if (rc == NGX_ERROR) { | |
725 ngx_http_upstream_finalize_request(r, u, | |
726 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
727 return; | |
728 } | |
729 | |
1707
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730 u->state->peer = u->peer.name; |
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731 |
543 | 732 if (rc == NGX_BUSY) { |
733 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no live upstreams"); | |
1378 | 734 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_NOLIVE); |
735 return; | |
543 | 736 } |
737 | |
1378 | 738 if (rc == NGX_DECLINED) { |
479 | 739 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
740 return; | |
741 } | |
742 | |
577 | 743 /* rc == NGX_OK || rc == NGX_AGAIN */ |
744 | |
479 | 745 c = u->peer.connection; |
746 | |
747 c->data = r; | |
591 | 748 |
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749 c->write->handler = ngx_http_upstream_handler; |
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750 c->read->handler = ngx_http_upstream_handler; |
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751 |
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752 u->write_event_handler = ngx_http_upstream_send_request_handler; |
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753 u->read_event_handler = ngx_http_upstream_process_header; |
479 | 754 |
1397
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755 c->sendfile &= r->connection->sendfile; |
1958 | 756 u->output.sendfile = c->sendfile; |
479 | 757 |
758 c->pool = r->pool; | |
759 c->read->log = c->write->log = c->log = r->connection->log; | |
760 | |
761 /* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */ | |
762 | |
763 u->writer.out = NULL; | |
764 u->writer.last = &u->writer.out; | |
765 u->writer.connection = c; | |
766 u->writer.limit = 0; | |
767 | |
768 if (u->request_sent) { | |
509 | 769 if (ngx_http_upstream_reinit(r, u) != NGX_OK) { |
770 ngx_http_upstream_finalize_request(r, u, | |
771 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
772 return; | |
773 } | |
479 | 774 } |
775 | |
1064
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776 if (r->request_body |
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777 && r->request_body->buf |
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778 && r->request_body->temp_file |
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779 && r == r->main) |
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780 { |
573 | 781 /* |
782 * the r->request_body->buf can be reused for one request only, | |
783 * the subrequests should allocate their own temporay bufs | |
784 */ | |
785 | |
786 u->output.free = ngx_alloc_chain_link(r->pool); | |
787 if (u->output.free == NULL) { | |
788 ngx_http_upstream_finalize_request(r, u, | |
789 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
790 return; | |
479 | 791 } |
573 | 792 |
793 u->output.free->buf = r->request_body->buf; | |
794 u->output.free->next = NULL; | |
795 u->output.allocated = 1; | |
796 | |
797 r->request_body->buf->pos = r->request_body->buf->start; | |
798 r->request_body->buf->last = r->request_body->buf->start; | |
799 r->request_body->buf->tag = u->output.tag; | |
479 | 800 } |
801 | |
802 u->request_sent = 0; | |
803 | |
804 if (rc == NGX_AGAIN) { | |
805 ngx_add_timer(c->write, u->conf->connect_timeout); | |
806 return; | |
807 } | |
808 | |
577 | 809 #if (NGX_HTTP_SSL) |
810 | |
1658 | 811 if (u->ssl && c->ssl == NULL) { |
591 | 812 ngx_http_upstream_ssl_init_connection(r, u, c); |
577 | 813 return; |
814 } | |
815 | |
816 #endif | |
817 | |
479 | 818 ngx_http_upstream_send_request(r, u); |
819 } | |
820 | |
821 | |
577 | 822 #if (NGX_HTTP_SSL) |
823 | |
824 static void | |
591 | 825 ngx_http_upstream_ssl_init_connection(ngx_http_request_t *r, |
826 ngx_http_upstream_t *u, ngx_connection_t *c) | |
827 { | |
884 | 828 ngx_int_t rc; |
591 | 829 |
830 if (ngx_ssl_create_connection(u->conf->ssl, c, | |
831 NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
832 == NGX_ERROR) | |
833 { | |
834 ngx_http_upstream_finalize_request(r, u, | |
835 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
836 return; | |
837 } | |
838 | |
839 c->sendfile = 0; | |
619 | 840 u->output.sendfile = 0; |
591 | 841 |
2184 | 842 if (u->conf->ssl_session_reuse) { |
843 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
844 ngx_http_upstream_finalize_request(r, u, | |
845 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
846 return; | |
847 } | |
591 | 848 } |
849 | |
641 | 850 r->connection->log->action = "SSL handshaking to upstream"; |
851 | |
591 | 852 rc = ngx_ssl_handshake(c); |
853 | |
854 if (rc == NGX_AGAIN) { | |
855 c->ssl->handler = ngx_http_upstream_ssl_handshake; | |
856 return; | |
857 } | |
858 | |
859 ngx_http_upstream_ssl_handshake(c); | |
860 } | |
861 | |
862 | |
863 static void | |
577 | 864 ngx_http_upstream_ssl_handshake(ngx_connection_t *c) |
865 { | |
866 ngx_http_request_t *r; | |
867 ngx_http_upstream_t *u; | |
868 | |
869 r = c->data; | |
870 u = r->upstream; | |
871 | |
872 if (c->ssl->handshaked) { | |
873 | |
2184 | 874 if (u->conf->ssl_session_reuse) { |
875 u->peer.save_session(&u->peer, u->peer.data); | |
876 } | |
884 | 877 |
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878 c->write->handler = ngx_http_upstream_handler; |
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879 c->read->handler = ngx_http_upstream_handler; |
577 | 880 |
881 ngx_http_upstream_send_request(r, u); | |
882 | |
883 return; | |
884 } | |
885 | |
886 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
887 | |
888 } | |
889 | |
890 #endif | |
891 | |
892 | |
509 | 893 static ngx_int_t |
487 | 894 ngx_http_upstream_reinit(ngx_http_request_t *r, ngx_http_upstream_t *u) |
479 | 895 { |
896 ngx_chain_t *cl; | |
897 | |
509 | 898 if (u->reinit_request(r) != NGX_OK) { |
899 return NGX_ERROR; | |
900 } | |
901 | |
1705 | 902 ngx_memzero(&u->headers_in, sizeof(ngx_http_upstream_headers_in_t)); |
903 | |
904 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, | |
591 | 905 sizeof(ngx_table_elt_t)) |
906 != NGX_OK) | |
509 | 907 { |
908 return NGX_ERROR; | |
479 | 909 } |
910 | |
911 /* reinit the request chain */ | |
577 | 912 |
509 | 913 for (cl = u->request_bufs; cl; cl = cl->next) { |
479 | 914 cl->buf->pos = cl->buf->start; |
915 cl->buf->file_pos = 0; | |
916 } | |
917 | |
509 | 918 /* reinit the subrequest's ngx_output_chain() context */ |
919 | |
573 | 920 if (r->request_body && r->request_body->temp_file |
597 | 921 && r != r->main && u->output.buf) |
573 | 922 { |
923 u->output.free = ngx_alloc_chain_link(r->pool); | |
924 if (u->output.free == NULL) { | |
925 return NGX_ERROR; | |
509 | 926 } |
573 | 927 |
928 u->output.free->buf = u->output.buf; | |
929 u->output.free->next = NULL; | |
930 | |
931 u->output.buf->pos = u->output.buf->start; | |
932 u->output.buf->last = u->output.buf->start; | |
509 | 933 } |
479 | 934 |
935 u->output.buf = NULL; | |
936 u->output.in = NULL; | |
937 u->output.busy = NULL; | |
577 | 938 |
581 | 939 /* reinit u->buffer */ |
577 | 940 |
479 | 941 #if 0 |
942 if (u->cache) { | |
581 | 943 u->buffer.pos = u->buffer.start + u->cache->ctx.header_size; |
944 u->buffer.last = u->buffer.pos; | |
479 | 945 |
946 } else { | |
581 | 947 u->buffer.pos = u->buffer.start; |
948 u->buffer.last = u->buffer.start; | |
479 | 949 } |
950 #else | |
509 | 951 |
581 | 952 u->buffer.pos = u->buffer.start; |
953 u->buffer.last = u->buffer.start; | |
509 | 954 |
479 | 955 #endif |
956 | |
509 | 957 return NGX_OK; |
479 | 958 } |
959 | |
960 | |
487 | 961 static void |
962 ngx_http_upstream_send_request(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
479 | 963 { |
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964 ngx_int_t rc; |
483 | 965 ngx_connection_t *c; |
577 | 966 |
479 | 967 c = u->peer.connection; |
968 | |
969 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
970 "http upstream send request"); | |
971 | |
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972 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
1166 | 973 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
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974 return; |
479 | 975 } |
976 | |
483 | 977 c->log->action = "sending request to upstream"; |
479 | 978 |
509 | 979 rc = ngx_output_chain(&u->output, u->request_sent ? NULL : u->request_bufs); |
479 | 980 |
981 u->request_sent = 1; | |
982 | |
983 if (rc == NGX_ERROR) { | |
984 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
985 return; | |
986 } | |
987 | |
988 if (c->write->timer_set) { | |
989 ngx_del_timer(c->write); | |
990 } | |
991 | |
992 if (rc == NGX_AGAIN) { | |
993 ngx_add_timer(c->write, u->conf->send_timeout); | |
994 | |
995 if (ngx_handle_write_event(c->write, u->conf->send_lowat) == NGX_ERROR) | |
996 { | |
997 ngx_http_upstream_finalize_request(r, u, | |
998 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
999 return; | |
1000 } | |
1001 | |
1002 return; | |
1003 } | |
1004 | |
1005 /* rc == NGX_OK */ | |
1006 | |
1007 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) { | |
1008 if (ngx_tcp_push(c->fd) == NGX_ERROR) { | |
1009 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, | |
1010 ngx_tcp_push_n " failed"); | |
1011 ngx_http_upstream_finalize_request(r, u, | |
1012 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
577 | 1013 return; |
479 | 1014 } |
1015 | |
1016 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET; | |
1017 } | |
577 | 1018 |
479 | 1019 ngx_add_timer(c->read, u->conf->read_timeout); |
1020 | |
1021 #if 1 | |
1022 if (c->read->ready) { | |
577 | 1023 |
479 | 1024 /* post aio operation */ |
1025 | |
1026 /* | |
1027 * TODO comment | |
1028 * although we can post aio operation just in the end | |
1029 * of ngx_http_upstream_connect() CHECK IT !!! | |
1030 * it's better to do here because we postpone header buffer allocation | |
1031 */ | |
1032 | |
1033 ngx_http_upstream_process_header(c->read); | |
1034 return; | |
1035 } | |
1036 #endif | |
1037 | |
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1038 u->write_event_handler = ngx_http_upstream_dummy_handler; |
479 | 1039 |
509 | 1040 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
479 | 1041 ngx_http_upstream_finalize_request(r, u, |
1042 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1043 return; | |
1044 } | |
1045 } | |
1046 | |
1047 | |
487 | 1048 static void |
1049 ngx_http_upstream_send_request_handler(ngx_event_t *wev) | |
479 | 1050 { |
1051 ngx_connection_t *c; | |
1052 ngx_http_request_t *r; | |
1053 ngx_http_upstream_t *u; | |
1054 | |
1055 c = wev->data; | |
1056 r = c->data; | |
1057 u = r->upstream; | |
1058 | |
1059 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
1060 "http upstream send request handler"); | |
1061 | |
1062 if (wev->timedout) { | |
1063 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
1064 return; | |
1065 } | |
1066 | |
591 | 1067 #if (NGX_HTTP_SSL) |
1068 | |
1658 | 1069 if (u->ssl && c->ssl == NULL) { |
591 | 1070 ngx_http_upstream_ssl_init_connection(r, u, c); |
1071 return; | |
1072 } | |
1073 | |
1074 #endif | |
1075 | |
651 | 1076 if (u->header_sent) { |
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1077 u->write_event_handler = ngx_http_upstream_dummy_handler; |
651 | 1078 |
1079 (void) ngx_handle_write_event(wev, 0); | |
1080 | |
1081 return; | |
1082 } | |
1083 | |
479 | 1084 ngx_http_upstream_send_request(r, u); |
1085 } | |
1086 | |
1087 | |
487 | 1088 static void |
1089 ngx_http_upstream_process_header(ngx_event_t *rev) | |
479 | 1090 { |
515 | 1091 ssize_t n; |
1092 ngx_int_t rc; | |
573 | 1093 ngx_str_t *uri, args; |
649 | 1094 ngx_uint_t i, flags; |
515 | 1095 ngx_list_part_t *part; |
1096 ngx_table_elt_t *h; | |
1097 ngx_connection_t *c; | |
1098 ngx_http_request_t *r; | |
1099 ngx_http_upstream_t *u; | |
1100 ngx_http_upstream_header_t *hh; | |
1101 ngx_http_upstream_main_conf_t *umcf; | |
479 | 1102 |
1103 c = rev->data; | |
1104 r = c->data; | |
1105 u = r->upstream; | |
1106 | |
1107 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, | |
483 | 1108 "http upstream process header"); |
479 | 1109 |
483 | 1110 c->log->action = "reading response header from upstream"; |
479 | 1111 |
1112 if (rev->timedout) { | |
1113 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); | |
1114 return; | |
1115 } | |
577 | 1116 |
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1117 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
1166 | 1118 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
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1119 return; |
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1120 } |
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1121 |
581 | 1122 if (u->buffer.start == NULL) { |
1123 u->buffer.start = ngx_palloc(r->pool, u->conf->buffer_size); | |
1124 if (u->buffer.start == NULL) { | |
479 | 1125 ngx_http_upstream_finalize_request(r, u, |
1126 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1127 return; | |
1128 } | |
1129 | |
581 | 1130 u->buffer.pos = u->buffer.start; |
1131 u->buffer.last = u->buffer.start; | |
1132 u->buffer.end = u->buffer.start + u->conf->buffer_size; | |
1133 u->buffer.temporary = 1; | |
1134 | |
1135 u->buffer.tag = u->output.tag; | |
479 | 1136 |
1705 | 1137 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, |
581 | 1138 sizeof(ngx_table_elt_t)) |
1139 != NGX_OK) | |
509 | 1140 { |
1141 ngx_http_upstream_finalize_request(r, u, | |
1142 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1143 return; | |
1144 } | |
1145 | |
479 | 1146 #if 0 |
1147 if (u->cache) { | |
581 | 1148 u->buffer.pos += u->cache->ctx.header_size; |
1149 u->buffer.last = u->buffer.pos; | |
479 | 1150 } |
1151 #endif | |
1152 } | |
1153 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1154 for ( ;; ) { |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1155 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1156 n = c->recv(c, u->buffer.last, u->buffer.end - u->buffer.last); |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1157 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1158 if (n == NGX_AGAIN) { |
479 | 1159 #if 0 |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1160 ngx_add_timer(rev, u->read_timeout); |
479 | 1161 #endif |
1162 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1163 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1164 ngx_http_upstream_finalize_request(r, u, |
479 | 1165 NGX_HTTP_INTERNAL_SERVER_ERROR); |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1166 return; |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1167 } |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1168 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1169 return; |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1170 } |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1171 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1172 if (n == 0) { |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1173 ngx_log_error(NGX_LOG_ERR, rev->log, 0, |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1174 "upstream prematurely closed connection"); |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1175 } |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1176 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1177 if (n == NGX_ERROR || n == 0) { |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1178 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
479 | 1179 return; |
1180 } | |
1181 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1182 u->buffer.last += n; |
479 | 1183 |
1184 #if 0 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1185 u->valid_header_in = 0; |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1186 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1187 u->peer.cached = 0; |
479 | 1188 #endif |
1189 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1190 rc = u->process_header(r); |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1191 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1192 if (rc == NGX_AGAIN) { |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1193 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1194 if (u->buffer.pos == u->buffer.end) { |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1195 ngx_log_error(NGX_LOG_ERR, rev->log, 0, |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1196 "upstream sent too big header"); |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1197 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1198 ngx_http_upstream_next(r, u, |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1199 NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1200 return; |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1201 } |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1202 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1203 continue; |
479 | 1204 } |
1205 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1206 break; |
479 | 1207 } |
1208 | |
1209 if (rc == NGX_HTTP_UPSTREAM_INVALID_HEADER) { | |
1210 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
1211 return; | |
1212 } | |
1213 | |
1699
976db8c6fb64
return NGX_ERROR instead of NGX_HTTP_INTERNAL_SERVER_ERROR in u->parse_header()
Igor Sysoev <igor@sysoev.ru>
parents:
1693
diff
changeset
|
1214 if (rc == NGX_ERROR) { |
479 | 1215 ngx_http_upstream_finalize_request(r, u, |
1216 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1217 return; | |
1218 } | |
1219 | |
1220 /* rc == NGX_OK */ | |
1221 | |
2268
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1222 if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST) { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1223 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1224 if (r->subrequest_in_memory) { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1225 u->buffer.last = u->buffer.pos; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1226 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1227 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1228 if (ngx_http_upstream_test_next(r, u) == NGX_OK) { |
509 | 1229 return; |
1230 } | |
1231 | |
2267
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1232 if (ngx_http_upstream_intercept_errors(r, u) == NGX_OK) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1233 return; |
487 | 1234 } |
1235 } | |
1236 | |
681 | 1237 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); |
1238 | |
1705 | 1239 if (u->headers_in.x_accel_redirect) { |
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1240 |
515 | 1241 ngx_http_upstream_finalize_request(r, u, NGX_DECLINED); |
1242 | |
1705 | 1243 part = &u->headers_in.headers.part; |
515 | 1244 h = part->elts; |
1245 | |
1246 for (i = 0; /* void */; i++) { | |
1247 | |
1248 if (i >= part->nelts) { | |
1249 if (part->next == NULL) { | |
1250 break; | |
1251 } | |
577 | 1252 |
515 | 1253 part = part->next; |
1254 h = part->elts; | |
1255 i = 0; | |
1256 } | |
1257 | |
649 | 1258 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, |
1259 h[i].lowcase_key, h[i].key.len); | |
1260 | |
1261 if (hh && hh->redirect) { | |
1262 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
|
1263 ngx_http_finalize_request(r, |
757
a138c4e6031f
not do ngx_http_upstream_finalize_request() twice
Igor Sysoev <igor@sysoev.ru>
parents:
756
diff
changeset
|
1264 NGX_HTTP_INTERNAL_SERVER_ERROR); |
515 | 1265 return; |
1266 } | |
1267 } | |
1268 } | |
1269 | |
1705 | 1270 uri = &u->headers_in.x_accel_redirect->value; |
573 | 1271 args.len = 0; |
1272 args.data = NULL; | |
1273 flags = 0; | |
1274 | |
1275 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
|
1276 ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); |
573 | 1277 return; |
1278 } | |
1279 | |
1280 if (flags & NGX_HTTP_ZERO_IN_URI) { | |
1281 r->zero_in_uri = 1; | |
1282 } | |
1283 | |
653 | 1284 if (r->method != NGX_HTTP_HEAD) { |
1285 r->method = NGX_HTTP_GET; | |
1286 } | |
1287 | |
2183
4a5bfd728a12
disable original URI usage in proxy_pass after X-Accel-Redirect
Igor Sysoev <igor@sysoev.ru>
parents:
2140
diff
changeset
|
1288 r->valid_unparsed_uri = 0; |
4a5bfd728a12
disable original URI usage in proxy_pass after X-Accel-Redirect
Igor Sysoev <igor@sysoev.ru>
parents:
2140
diff
changeset
|
1289 |
573 | 1290 ngx_http_internal_redirect(r, uri, &args); |
515 | 1291 return; |
1292 } | |
1293 | |
1705 | 1294 part = &u->headers_in.headers.part; |
509 | 1295 h = part->elts; |
1296 | |
1297 for (i = 0; /* void */; i++) { | |
479 | 1298 |
509 | 1299 if (i >= part->nelts) { |
1300 if (part->next == NULL) { | |
1301 break; | |
1302 } | |
577 | 1303 |
509 | 1304 part = part->next; |
1305 h = part->elts; | |
1306 i = 0; | |
1307 } | |
1308 | |
649 | 1309 if (ngx_hash_find(&u->conf->hide_headers_hash, h[i].hash, |
1310 h[i].lowcase_key, h[i].key.len)) | |
509 | 1311 { |
649 | 1312 continue; |
1313 } | |
1314 | |
1315 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, | |
1316 h[i].lowcase_key, h[i].key.len); | |
1317 | |
1318 if (hh) { | |
1319 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { | |
509 | 1320 ngx_http_upstream_finalize_request(r, u, |
1321 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1322 return; | |
1323 } | |
1324 | |
1325 continue; | |
1326 } | |
1327 | |
1328 if (ngx_http_upstream_copy_header_line(r, &h[i], 0) != NGX_OK) { | |
1329 ngx_http_upstream_finalize_request(r, u, | |
1330 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1331 return; | |
1332 } | |
1333 } | |
1334 | |
649 | 1335 if (r->headers_out.server && r->headers_out.server->value.data == NULL) { |
1336 r->headers_out.server->hash = 0; | |
1337 } | |
1338 | |
1339 if (r->headers_out.date && r->headers_out.date->value.data == NULL) { | |
1340 r->headers_out.date->hash = 0; | |
1341 } | |
1342 | |
529 | 1343 r->headers_out.status = u->headers_in.status_n; |
1344 r->headers_out.status_line = u->headers_in.status_line; | |
1345 | |
1885
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
1346 u->headers_in.content_length_n = r->headers_out.content_length_n; |
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
1347 |
581 | 1348 if (r->headers_out.content_length_n != -1) { |
1349 u->length = (size_t) r->headers_out.content_length_n; | |
1350 | |
1351 } else { | |
1352 u->length = NGX_MAX_SIZE_T_VALUE; | |
1353 } | |
1354 | |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1355 if (!r->subrequest_in_memory) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1356 ngx_http_upstream_send_response(r, u); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1357 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1358 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1359 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1360 /* subrequest content in memory */ |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1361 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1362 if (u->input_filter == NULL) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1363 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1364 u->input_filter = ngx_http_upstream_non_buffered_filter; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1365 u->input_filter_ctx = r; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1366 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1367 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1368 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1369 ngx_http_upstream_finalize_request(r, u, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1370 NGX_HTTP_INTERNAL_SERVER_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1371 return; |
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 |
2308
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1374 n = u->buffer.last - u->buffer.pos; |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1375 |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1376 if (n) { |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1377 u->buffer.last -= n; |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1378 |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1379 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1380 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1381 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1382 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1383 |
2308
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1384 if (u->length == 0) { |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1385 ngx_http_upstream_finalize_request(r, u, 0); |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1386 return; |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1387 } |
777
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 |
2377
87b8c44906b5
*) refactor subrequest handling, now they run as separate posted requests
Igor Sysoev <igor@sysoev.ru>
parents:
2360
diff
changeset
|
1390 u->read_event_handler = ngx_http_upstream_process_body_in_memory; |
777
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 |
2268
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1397 ngx_http_upstream_test_next(ngx_http_request_t *r, ngx_http_upstream_t *u) |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1398 { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1399 ngx_uint_t status; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1400 ngx_http_upstream_next_t *un; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1401 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1402 if (!(u->conf->next_upstream & NGX_HTTP_UPSTREAM_FT_STATUS)) { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1403 return NGX_DECLINED; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1404 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1405 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1406 status = u->headers_in.status_n; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1407 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1408 for (un = ngx_http_upstream_next_errors; un->status; un++) { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1409 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1410 if (status != un->status) { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1411 continue; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1412 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1413 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1414 if (u->peer.tries > 1 && (u->conf->next_upstream & un->mask)) { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1415 ngx_http_upstream_next(r, u, un->mask); |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1416 return NGX_OK; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1417 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1418 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1419 if (status == NGX_HTTP_NOT_FOUND && u->conf->intercept_404) { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1420 ngx_http_upstream_finalize_request(r, u, NGX_HTTP_NOT_FOUND); |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1421 return NGX_OK; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1422 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1423 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1424 #if (NGX_HTTP_CACHE) |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1425 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1426 if (u->peer.tries == 0 && u->stale && (u->conf->use_stale & un->mask)) { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1427 ngx_http_upstream_finalize_request(r, u, |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1428 ngx_http_send_cached_response(r)); |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1429 return NGX_OK; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1430 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1431 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1432 #endif |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1433 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1434 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1435 return NGX_DECLINED; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1436 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1437 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1438 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1439 static ngx_int_t |
2267
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1440 ngx_http_upstream_intercept_errors(ngx_http_request_t *r, |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1441 ngx_http_upstream_t *u) |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1442 { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1443 ngx_int_t status; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1444 ngx_uint_t i; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1445 ngx_table_elt_t *h; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1446 ngx_http_err_page_t *err_page; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1447 ngx_http_core_loc_conf_t *clcf; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1448 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1449 if (!u->conf->intercept_errors) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1450 return NGX_DECLINED; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1451 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1452 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1453 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1454 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1455 if (clcf->error_pages == NULL) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1456 return NGX_DECLINED; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1457 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1458 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1459 status = u->headers_in.status_n; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1460 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1461 err_page = clcf->error_pages->elts; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1462 for (i = 0; i < clcf->error_pages->nelts; i++) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1463 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1464 if (err_page[i].status == status) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1465 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1466 if (status == NGX_HTTP_UNAUTHORIZED) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1467 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1468 h = ngx_list_push(&r->headers_out.headers); |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1469 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1470 if (h == NULL) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1471 ngx_http_upstream_finalize_request(r, u, |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1472 NGX_HTTP_INTERNAL_SERVER_ERROR); |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1473 return NGX_OK; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1474 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1475 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1476 *h = *u->headers_in.www_authenticate; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1477 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1478 r->headers_out.www_authenticate = h; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1479 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1480 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1481 ngx_http_upstream_finalize_request(r, u, status); |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1482 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1483 return NGX_OK; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1484 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1485 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1486 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1487 return NGX_DECLINED; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1488 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1489 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1490 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1491 static ngx_int_t |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1492 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
|
1493 { |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1494 int err; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1495 socklen_t len; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1496 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1497 #if (NGX_HAVE_KQUEUE) |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1498 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1499 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
1166 | 1500 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
|
1501 c->log->action = "connecting to upstream"; |
1166 | 1502 (void) ngx_connection_error(c, c->write->kq_errno, |
1503 "kevent() reported that connect() failed"); | |
1504 return NGX_ERROR; | |
1505 } | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1506 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1507 } else |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1508 #endif |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1509 { |
1166 | 1510 err = 0; |
1511 len = sizeof(int); | |
1512 | |
1513 /* | |
1514 * BSDs and Linux return 0 and set a pending error in err | |
1515 * Solaris returns -1 and sets errno | |
1516 */ | |
1517 | |
1518 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
1519 == -1) | |
1520 { | |
1521 err = ngx_errno; | |
1522 } | |
1523 | |
1524 if (err) { | |
1469
0a269c464eaf
connection error should be logged with "connecting to upstream" action,
Igor Sysoev <igor@sysoev.ru>
parents:
1468
diff
changeset
|
1525 c->log->action = "connecting to upstream"; |
1166 | 1526 (void) ngx_connection_error(c, err, "connect() failed"); |
1527 return NGX_ERROR; | |
1528 } | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1529 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1530 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1531 return NGX_OK; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1532 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1533 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1534 |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1535 static void |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1536 ngx_http_upstream_process_body_in_memory(ngx_event_t *rev) |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1537 { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1538 size_t size; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1539 ssize_t n; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1540 ngx_buf_t *b; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1541 ngx_connection_t *c; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1542 ngx_http_request_t *r; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1543 ngx_http_upstream_t *u; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1544 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1545 c = rev->data; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1546 r = c->data; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1547 u = r->upstream; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1548 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1549 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1550 "http upstream process body on memory"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1551 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1552 if (rev->timedout) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1553 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1554 ngx_http_upstream_finalize_request(r, u, NGX_ETIMEDOUT); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1555 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1556 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1557 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1558 b = &u->buffer; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1559 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1560 for ( ;; ) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1561 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1562 size = b->end - b->last; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1563 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1564 if (size == 0) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1565 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1566 "upstream buffer is too small to read repsonse"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1567 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1568 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1569 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1570 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1571 n = c->recv(c, b->last, size); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1572 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1573 if (n == NGX_AGAIN) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1574 break; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1575 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1576 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1577 if (n == 0 || n == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1578 ngx_http_upstream_finalize_request(r, u, n); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1579 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1580 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1581 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1582 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1583 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1584 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1585 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1586 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1587 if (!rev->ready) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1588 break; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1589 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1590 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1591 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1592 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1593 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1594 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1595 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1596 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1597 if (rev->active) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1598 ngx_add_timer(rev, u->conf->read_timeout); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1599 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1600 } else if (rev->timer_set) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1601 ngx_del_timer(rev); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1602 } |
681 | 1603 } |
1604 | |
1605 | |
1606 static void | |
1607 ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
1608 { | |
1609 int tcp_nodelay; | |
1610 ssize_t size; | |
1611 ngx_int_t rc; | |
1612 ngx_event_pipe_t *p; | |
1613 ngx_connection_t *c; | |
1614 ngx_pool_cleanup_t *cl; | |
1615 ngx_pool_cleanup_file_t *clf; | |
1616 ngx_http_core_loc_conf_t *clcf; | |
1617 | |
509 | 1618 rc = ngx_http_send_header(r); |
479 | 1619 |
1031
bf1785dfb75f
allow the upstream modules to send a header only
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
1620 if (rc == NGX_ERROR || rc > NGX_OK || r->post_action || r->header_only) { |
485 | 1621 ngx_http_upstream_finalize_request(r, u, rc); |
479 | 1622 return; |
1623 } | |
1624 | |
1625 u->header_sent = 1; | |
1626 | |
573 | 1627 if (r->request_body && r->request_body->temp_file) { |
563 | 1628 for (cl = r->pool->cleanup; cl; cl = cl->next) { |
1629 if (cl->handler == ngx_pool_cleanup_file) { | |
1630 clf = cl->data; | |
1631 | |
1632 if (clf->fd == r->request_body->temp_file->file.fd) { | |
1633 cl->handler(clf); | |
1634 cl->handler = NULL; | |
659 | 1635 r->request_body->temp_file->file.fd = NGX_INVALID_FILE; |
563 | 1636 break; |
1637 } | |
1638 } | |
1639 } | |
1640 } | |
1641 | |
583 | 1642 c = r->connection; |
1643 | |
581 | 1644 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
1645 | |
649 | 1646 if (!u->buffering) { |
581 | 1647 |
1648 if (u->input_filter == NULL) { | |
1649 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; | |
1650 u->input_filter = ngx_http_upstream_non_buffered_filter; | |
1651 u->input_filter_ctx = r; | |
1652 } | |
1653 | |
2377
87b8c44906b5
*) refactor subrequest handling, now they run as separate posted requests
Igor Sysoev <igor@sysoev.ru>
parents:
2360
diff
changeset
|
1654 u->read_event_handler = ngx_http_upstream_process_non_buffered_body; |
581 | 1655 r->write_event_handler = |
1656 ngx_http_upstream_process_non_buffered_downstream; | |
1657 | |
1658 r->limit_rate = 0; | |
1659 | |
1660 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { | |
1661 ngx_http_upstream_finalize_request(r, u, 0); | |
1662 return; | |
1663 } | |
1664 | |
583 | 1665 if (clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
1666 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay"); | |
1667 | |
1668 tcp_nodelay = 1; | |
1669 | |
1670 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
1671 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
1672 { | |
1673 ngx_connection_error(c, ngx_socket_errno, | |
1674 "setsockopt(TCP_NODELAY) failed"); | |
1675 ngx_http_upstream_finalize_request(r, u, 0); | |
1676 return; | |
1677 } | |
1678 | |
1679 c->tcp_nodelay = NGX_TCP_NODELAY_SET; | |
1680 } | |
1681 | |
581 | 1682 size = u->buffer.last - u->buffer.pos; |
1683 | |
1684 if (size) { | |
1685 u->buffer.last = u->buffer.pos; | |
1686 | |
1687 if (u->input_filter(u->input_filter_ctx, size) == NGX_ERROR) { | |
1688 ngx_http_upstream_finalize_request(r, u, 0); | |
1689 return; | |
1690 } | |
1691 | |
583 | 1692 ngx_http_upstream_process_non_buffered_body(c->write); |
581 | 1693 |
1694 } else { | |
1695 u->buffer.pos = u->buffer.start; | |
1696 u->buffer.last = u->buffer.start; | |
1697 | |
1698 if (ngx_http_send_special(r, NGX_HTTP_FLUSH) == NGX_ERROR) { | |
1699 ngx_http_upstream_finalize_request(r, u, 0); | |
1700 return; | |
1701 } | |
1468
491e5059ea19
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Igor Sysoev <igor@sysoev.ru>
parents:
1397
diff
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|
1702 |
491e5059ea19
read EOF of header only responses in non-buffered proxying
Igor Sysoev <igor@sysoev.ru>
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1397
diff
changeset
|
1703 if (u->peer.connection->read->ready) { |
491e5059ea19
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Igor Sysoev <igor@sysoev.ru>
parents:
1397
diff
changeset
|
1704 ngx_http_upstream_process_non_buffered_body( |
491e5059ea19
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Igor Sysoev <igor@sysoev.ru>
parents:
1397
diff
changeset
|
1705 u->peer.connection->read); |
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Igor Sysoev <igor@sysoev.ru>
parents:
1397
diff
changeset
|
1706 } |
581 | 1707 } |
1708 | |
1709 return; | |
1710 } | |
1711 | |
479 | 1712 /* TODO: preallocate event_pipe bufs, look "Content-Length" */ |
1713 | |
1714 #if 0 | |
1715 | |
1716 if (u->cache && u->cache->ctx.file.fd != NGX_INVALID_FILE) { | |
1717 if (ngx_close_file(u->cache->ctx.file.fd) == NGX_FILE_ERROR) { | |
583 | 1718 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
479 | 1719 ngx_close_file_n " \"%s\" failed", |
1720 u->cache->ctx.file.name.data); | |
1721 } | |
1722 } | |
1723 | |
1565 | 1724 if (u->cacheable) { |
581 | 1725 header = (ngx_http_cache_header_t *) u->buffer->start; |
479 | 1726 |
1727 header->expires = u->cache->ctx.expires; | |
1728 header->last_modified = u->cache->ctx.last_modified; | |
1729 header->date = u->cache->ctx.date; | |
1730 header->length = r->headers_out.content_length_n; | |
1731 u->cache->ctx.length = r->headers_out.content_length_n; | |
1732 | |
1733 header->key_len = u->cache->ctx.key0.len; | |
1734 ngx_memcpy(&header->key, u->cache->ctx.key0.data, header->key_len); | |
1735 header->key[header->key_len] = LF; | |
1736 } | |
1737 | |
1738 #endif | |
1739 | |
581 | 1740 p = u->pipe; |
479 | 1741 |
1742 p->output_filter = (ngx_event_pipe_output_filter_pt) ngx_http_output_filter; | |
1743 p->output_ctx = r; | |
1744 p->tag = u->output.tag; | |
577 | 1745 p->bufs = u->conf->bufs; |
479 | 1746 p->busy_size = u->conf->busy_buffers_size; |
1747 p->upstream = u->peer.connection; | |
583 | 1748 p->downstream = c; |
479 | 1749 p->pool = r->pool; |
583 | 1750 p->log = c->log; |
577 | 1751 |
1565 | 1752 p->cacheable = u->cacheable || u->store; |
479 | 1753 |
501 | 1754 p->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
1755 if (p->temp_file == NULL) { | |
479 | 1756 ngx_http_upstream_finalize_request(r, u, 0); |
1757 return; | |
1758 } | |
1759 | |
1760 p->temp_file->file.fd = NGX_INVALID_FILE; | |
583 | 1761 p->temp_file->file.log = c->log; |
479 | 1762 p->temp_file->path = u->conf->temp_path; |
1763 p->temp_file->pool = r->pool; | |
577 | 1764 |
1565 | 1765 if (u->cacheable || u->store) { |
479 | 1766 p->temp_file->persistent = 1; |
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1767 |
479 | 1768 } else { |
667 | 1769 p->temp_file->log_level = NGX_LOG_WARN; |
479 | 1770 p->temp_file->warn = "an upstream response is buffered " |
1771 "to a temporary file"; | |
1772 } | |
1773 | |
1774 p->max_temp_file_size = u->conf->max_temp_file_size; | |
1775 p->temp_file_write_size = u->conf->temp_file_write_size; | |
1776 | |
501 | 1777 p->preread_bufs = ngx_alloc_chain_link(r->pool); |
1778 if (p->preread_bufs == NULL) { | |
479 | 1779 ngx_http_upstream_finalize_request(r, u, 0); |
1780 return; | |
1781 } | |
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1782 |
581 | 1783 p->preread_bufs->buf = &u->buffer; |
479 | 1784 p->preread_bufs->next = NULL; |
581 | 1785 u->buffer.recycled = 1; |
1786 | |
1787 p->preread_size = u->buffer.last - u->buffer.pos; | |
479 | 1788 |
1565 | 1789 if (u->cacheable) { |
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1790 |
479 | 1791 p->buf_to_file = ngx_calloc_buf(r->pool); |
1792 if (p->buf_to_file == NULL) { | |
1793 ngx_http_upstream_finalize_request(r, u, 0); | |
1794 return; | |
1795 } | |
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1796 |
581 | 1797 p->buf_to_file->pos = u->buffer.start; |
1798 p->buf_to_file->last = u->buffer.pos; | |
479 | 1799 p->buf_to_file->temporary = 1; |
1800 } | |
1801 | |
1802 if (ngx_event_flags & NGX_USE_AIO_EVENT) { | |
1803 /* the posted aio operation may currupt a shadow buffer */ | |
1804 p->single_buf = 1; | |
1805 } | |
1806 | |
1807 /* TODO: p->free_bufs = 0 if use ngx_create_chain_of_bufs() */ | |
1808 p->free_bufs = 1; | |
1809 | |
1810 /* | |
581 | 1811 * event_pipe would do u->buffer.last += p->preread_size |
479 | 1812 * as though these bytes were read |
1813 */ | |
581 | 1814 u->buffer.last = u->buffer.pos; |
479 | 1815 |
1816 if (u->conf->cyclic_temp_file) { | |
1817 | |
1818 /* | |
1819 * we need to disable the use of sendfile() if we use cyclic temp file | |
1820 * because the writing a new data may interfere with sendfile() | |
1821 * that uses the same kernel file pages (at least on FreeBSD) | |
1822 */ | |
1823 | |
1824 p->cyclic_temp_file = 1; | |
583 | 1825 c->sendfile = 0; |
479 | 1826 |
1827 } else { | |
1828 p->cyclic_temp_file = 0; | |
1829 } | |
1830 | |
1831 p->read_timeout = u->conf->read_timeout; | |
1832 p->send_timeout = clcf->send_timeout; | |
1833 p->send_lowat = clcf->send_lowat; | |
1834 | |
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1835 u->read_event_handler = ngx_http_upstream_process_body; |
509 | 1836 r->write_event_handler = ngx_http_upstream_process_downstream; |
479 | 1837 |
1838 ngx_http_upstream_process_body(u->peer.connection->read); | |
1839 } | |
1840 | |
1841 | |
487 | 1842 static void |
581 | 1843 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r) |
1844 { | |
1845 ngx_http_upstream_process_non_buffered_body(r->connection->write); | |
1846 } | |
1847 | |
1848 | |
1849 static void | |
1850 ngx_http_upstream_process_non_buffered_body(ngx_event_t *ev) | |
1851 { | |
1852 size_t size; | |
1853 ssize_t n; | |
1854 ngx_buf_t *b; | |
583 | 1855 ngx_int_t rc; |
581 | 1856 ngx_uint_t do_write; |
884 | 1857 ngx_connection_t *c, *downstream, *upstream; |
581 | 1858 ngx_http_request_t *r; |
1859 ngx_http_upstream_t *u; | |
1860 ngx_http_core_loc_conf_t *clcf; | |
1861 | |
1862 c = ev->data; | |
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1863 r = c->data; |
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1864 u = r->upstream; |
581 | 1865 |
1866 if (ev->write) { | |
1867 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1868 "http upstream process non buffered downstream"); | |
1869 c->log->action = "sending to client"; | |
1870 | |
1871 } else { | |
1872 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1873 "http upstream process non buffered upstream"); | |
1874 c->log->action = "reading upstream"; | |
1875 } | |
1876 | |
1877 if (ev->timedout) { | |
1878 if (ev->write) { | |
1879 c->timedout = 1; | |
611 | 1880 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
1881 | |
581 | 1882 } else { |
611 | 1883 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
581 | 1884 } |
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1885 |
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1886 ngx_http_upstream_finalize_request(r, u, 0); |
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1887 return; |
581 | 1888 } |
1889 | |
884 | 1890 downstream = r->connection; |
1891 upstream = u->peer.connection; | |
581 | 1892 |
1893 b = &u->buffer; | |
1894 | |
1895 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1896 | |
657 | 1897 do_write = ev->write || u->length == 0; |
581 | 1898 |
1899 for ( ;; ) { | |
1900 | |
1901 if (do_write) { | |
1902 | |
1903 if (u->out_bufs || u->busy_bufs) { | |
583 | 1904 rc = ngx_http_output_filter(r, u->out_bufs); |
1905 | |
884 | 1906 if (downstream->destroyed) { |
583 | 1907 return; |
1908 } | |
1909 | |
1910 if (rc == NGX_ERROR) { | |
581 | 1911 ngx_http_upstream_finalize_request(r, u, 0); |
1912 return; | |
1913 } | |
1914 | |
1915 ngx_chain_update_chains(&u->free_bufs, &u->busy_bufs, | |
1916 &u->out_bufs, u->output.tag); | |
1917 } | |
1918 | |
1919 if (u->busy_bufs == NULL) { | |
1920 | |
1921 if (u->length == 0 | |
884 | 1922 || upstream->read->eof |
1923 || upstream->read->error) | |
581 | 1924 { |
1925 ngx_http_upstream_finalize_request(r, u, 0); | |
1926 return; | |
1927 } | |
1928 | |
1929 b->pos = b->start; | |
1930 b->last = b->start; | |
1931 } | |
1932 } | |
1933 | |
1934 size = b->end - b->last; | |
1935 | |
1936 if (size > u->length) { | |
1937 size = u->length; | |
1938 } | |
1939 | |
884 | 1940 if (size && upstream->read->ready) { |
1941 | |
1942 n = upstream->recv(upstream, b->last, size); | |
581 | 1943 |
1944 if (n == NGX_AGAIN) { | |
1945 break; | |
1946 } | |
1947 | |
1948 if (n > 0) { | |
1949 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { | |
1950 ngx_http_upstream_finalize_request(r, u, 0); | |
1951 return; | |
1952 } | |
1953 } | |
1954 | |
1955 do_write = 1; | |
1956 | |
1957 continue; | |
1958 } | |
1959 | |
1960 break; | |
1961 } | |
1962 | |
884 | 1963 if (downstream->data == r) { |
1964 if (ngx_handle_write_event(downstream->write, clcf->send_lowat) | |
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1965 != NGX_OK) |
583 | 1966 { |
1967 ngx_http_upstream_finalize_request(r, u, 0); | |
1968 return; | |
1969 } | |
581 | 1970 } |
1971 | |
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1972 if (downstream->write->active && !downstream->write->ready) { |
884 | 1973 ngx_add_timer(downstream->write, clcf->send_timeout); |
1974 | |
1975 } else if (downstream->write->timer_set) { | |
1976 ngx_del_timer(downstream->write); | |
581 | 1977 } |
1978 | |
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1979 if (ngx_handle_read_event(upstream->read, 0) != NGX_OK) { |
581 | 1980 ngx_http_upstream_finalize_request(r, u, 0); |
1981 return; | |
1982 } | |
1983 | |
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1984 if (upstream->read->active && !upstream->read->ready) { |
884 | 1985 ngx_add_timer(upstream->read, u->conf->read_timeout); |
1986 | |
1987 } else if (upstream->read->timer_set) { | |
1988 ngx_del_timer(upstream->read); | |
581 | 1989 } |
1990 } | |
1991 | |
1992 | |
1993 static ngx_int_t | |
1994 ngx_http_upstream_non_buffered_filter_init(void *data) | |
1995 { | |
1996 return NGX_OK; | |
1997 } | |
1998 | |
1999 | |
2000 static ngx_int_t | |
2001 ngx_http_upstream_non_buffered_filter(void *data, ssize_t bytes) | |
2002 { | |
2003 ngx_http_request_t *r = data; | |
2004 | |
2005 ngx_buf_t *b; | |
2006 ngx_chain_t *cl, **ll; | |
2007 ngx_http_upstream_t *u; | |
2008 | |
2009 u = r->upstream; | |
2010 | |
2011 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
2012 ll = &cl->next; | |
2013 } | |
2014 | |
2015 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
2016 if (cl == NULL) { | |
2017 return NGX_ERROR; | |
2018 } | |
2019 | |
2020 *ll = cl; | |
2021 | |
2022 cl->buf->flush = 1; | |
2023 cl->buf->memory = 1; | |
2024 | |
2025 b = &u->buffer; | |
2026 | |
2027 cl->buf->pos = b->last; | |
2028 b->last += bytes; | |
2029 cl->buf->last = b->last; | |
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2030 cl->buf->tag = u->output.tag; |
581 | 2031 |
2032 if (u->length == NGX_MAX_SIZE_T_VALUE) { | |
2033 return NGX_OK; | |
2034 } | |
2035 | |
2036 u->length -= bytes; | |
2037 | |
2038 return NGX_OK; | |
2039 } | |
2040 | |
2041 | |
2042 static void | |
509 | 2043 ngx_http_upstream_process_downstream(ngx_http_request_t *r) |
2044 { | |
2045 ngx_http_upstream_process_body(r->connection->write); | |
2046 } | |
2047 | |
2048 | |
2049 static void | |
487 | 2050 ngx_http_upstream_process_body(ngx_event_t *ev) |
479 | 2051 { |
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2052 ngx_temp_file_t *tf; |
509 | 2053 ngx_event_pipe_t *p; |
583 | 2054 ngx_connection_t *c, *downstream; |
479 | 2055 ngx_http_request_t *r; |
2056 ngx_http_upstream_t *u; | |
2057 | |
2058 c = ev->data; | |
2059 r = c->data; | |
2060 u = r->upstream; | |
583 | 2061 downstream = r->connection; |
479 | 2062 |
2063 if (ev->write) { | |
483 | 2064 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
2065 "http upstream process downstream"); | |
2066 c->log->action = "sending to client"; | |
577 | 2067 |
479 | 2068 } else { |
483 | 2069 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
2070 "http upstream process upstream"); | |
2071 c->log->action = "reading upstream"; | |
479 | 2072 } |
577 | 2073 |
581 | 2074 p = u->pipe; |
479 | 2075 |
2076 if (ev->timedout) { | |
2077 if (ev->write) { | |
527 | 2078 if (ev->delayed) { |
2079 | |
2080 ev->timedout = 0; | |
2081 ev->delayed = 0; | |
2082 | |
2083 if (!ev->ready) { | |
2084 ngx_add_timer(ev, p->send_timeout); | |
2085 | |
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2086 if (ngx_handle_write_event(ev, p->send_lowat) != NGX_OK) { |
527 | 2087 ngx_http_upstream_finalize_request(r, u, 0); |
2088 return; | |
2089 } | |
2090 | |
2091 return; | |
2092 } | |
2093 | |
2094 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { | |
583 | 2095 |
2096 if (downstream->destroyed) { | |
2097 return; | |
2098 } | |
2099 | |
527 | 2100 ngx_http_upstream_finalize_request(r, u, 0); |
2101 return; | |
2102 } | |
2103 | |
2104 } else { | |
2105 p->downstream_error = 1; | |
577 | 2106 c->timedout = 1; |
611 | 2107 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
527 | 2108 } |
479 | 2109 |
2110 } else { | |
577 | 2111 p->upstream_error = 1; |
611 | 2112 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
479 | 2113 } |
2114 | |
2115 } else { | |
527 | 2116 if (ev->write && ev->delayed) { |
2117 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
2118 "http downstream delayed"); | |
2119 | |
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2120 if (ngx_handle_write_event(ev, p->send_lowat) != NGX_OK) { |
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2121 ngx_http_upstream_finalize_request(r, u, 0); |
527 | 2122 return; |
2123 } | |
2124 | |
2125 return; | |
2126 } | |
2127 | |
479 | 2128 if (ngx_event_pipe(p, ev->write) == NGX_ABORT) { |
583 | 2129 |
2130 if (downstream->destroyed) { | |
2131 return; | |
2132 } | |
2133 | |
479 | 2134 ngx_http_upstream_finalize_request(r, u, 0); |
2135 return; | |
2136 } | |
2137 } | |
577 | 2138 |
479 | 2139 if (u->peer.connection) { |
2140 | |
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2141 if (u->store) { |
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2142 |
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2143 tf = u->pipe->temp_file; |
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2144 |
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2145 if (p->upstream_eof |
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2146 && u->headers_in.status_n == NGX_HTTP_OK |
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2147 && (u->headers_in.content_length_n == -1 |
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2148 || (u->headers_in.content_length_n == tf->offset))) |
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2149 { |
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2150 ngx_http_upstream_store(r, u); |
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2151 |
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2152 } else if ((p->upstream_error |
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2153 || (p->upstream_eof |
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2154 && u->headers_in.status_n != NGX_HTTP_OK)) |
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2155 && tf->file.fd != NGX_INVALID_FILE) |
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2156 { |
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2157 if (ngx_delete_file(tf->file.name.data) == NGX_FILE_ERROR) { |
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2158 |
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2159 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
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2160 ngx_delete_file_n " \"%s\" failed", |
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2161 u->pipe->temp_file->file.name.data); |
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2162 } |
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2163 } |
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2164 } |
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2165 |
479 | 2166 #if (NGX_HTTP_FILE_CACHE) |
2167 | |
1565 | 2168 if (p->upstream_done && u->cacheable) { |
479 | 2169 if (ngx_http_cache_update(r) == NGX_ERROR) { |
2170 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2171 ngx_http_upstream_finalize_request(r, u, 0); | |
2172 return; | |
2173 } | |
2174 | |
1565 | 2175 } else if (p->upstream_eof && u->cacheable) { |
479 | 2176 |
2177 /* TODO: check length & update cache */ | |
2178 | |
2179 if (ngx_http_cache_update(r) == NGX_ERROR) { | |
2180 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2181 ngx_http_upstream_finalize_request(r, u, 0); | |
2182 return; | |
2183 } | |
2184 } | |
2185 | |
2186 #endif | |
2187 | |
2188 if (p->upstream_done || p->upstream_eof || p->upstream_error) { | |
483 | 2189 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
2190 "http upstream exit: %p", p->out); | |
479 | 2191 #if 0 |
2192 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2193 #endif | |
2194 ngx_http_upstream_finalize_request(r, u, 0); | |
2195 return; | |
2196 } | |
2197 } | |
2198 | |
2199 if (p->downstream_error) { | |
483 | 2200 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
2201 "http upstream downstream error"); | |
479 | 2202 |
1565 | 2203 if (!u->cacheable && u->peer.connection) { |
479 | 2204 ngx_http_upstream_finalize_request(r, u, 0); |
2205 } | |
2206 } | |
2207 } | |
2208 | |
2209 | |
487 | 2210 static void |
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2211 ngx_http_upstream_store(ngx_http_request_t *r, ngx_http_upstream_t *u) |
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2212 { |
1947
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2213 size_t root; |
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2214 time_t lm; |
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2215 ngx_str_t path; |
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2216 ngx_temp_file_t *tf; |
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2217 ngx_ext_rename_file_t ext; |
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2218 |
1777 | 2219 tf = u->pipe->temp_file; |
2220 | |
2221 if (tf->file.fd == NGX_INVALID_FILE) { | |
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2222 |
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2223 /* create file for empty 200 response */ |
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2224 |
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2225 tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
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2226 if (tf == NULL) { |
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2227 return; |
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2228 } |
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2229 |
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2230 tf->file.fd = NGX_INVALID_FILE; |
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2231 tf->file.log = r->connection->log; |
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2232 tf->path = u->conf->temp_path; |
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2233 tf->pool = r->pool; |
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2234 tf->persistent = 1; |
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2235 |
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2236 if (ngx_create_temp_file(&tf->file, tf->path, tf->pool, |
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2237 tf->persistent, tf->clean, tf->access) |
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2238 != NGX_OK) |
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2239 { |
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2240 return; |
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2241 } |
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2242 |
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2243 u->pipe->temp_file = tf; |
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2244 } |
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2245 |
1947
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2246 ext.access = u->conf->store_access; |
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2247 ext.time = -1; |
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2248 ext.create_path = 1; |
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2249 ext.delete_file = 1; |
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2250 ext.log = r->connection->log; |
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2251 |
1705 | 2252 if (u->headers_in.last_modified) { |
2253 | |
1947
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2254 lm = ngx_http_parse_time(u->headers_in.last_modified->value.data, |
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2255 u->headers_in.last_modified->value.len); |
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2256 |
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2257 if (lm != NGX_ERROR) { |
1947
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2258 ext.time = lm; |
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2259 ext.fd = tf->file.fd; |
1291
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2260 } |
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2261 } |
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2262 |
1295
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2263 if (u->conf->store_lengths == NULL) { |
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2264 |
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2265 ngx_http_map_uri_to_path(r, &path, &root, 0); |
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2266 |
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2267 } else { |
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2268 if (ngx_http_script_run(r, &path, u->conf->store_lengths->elts, 0, |
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2269 u->conf->store_values->elts) |
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2270 == NULL) |
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2271 { |
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2272 return; |
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2273 } |
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2274 } |
1291
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2275 |
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2276 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
1947
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2277 "upstream stores \"%s\" to \"%s\"", |
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2278 tf->file.name.data, path.data); |
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2279 |
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2280 (void) ngx_ext_rename_file(&tf->file.name, &path, &ext); |
1291
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2281 } |
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2282 |
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2283 |
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2284 static void |
487 | 2285 ngx_http_upstream_dummy_handler(ngx_event_t *wev) |
479 | 2286 { |
2287 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, | |
2288 "http upstream dummy handler"); | |
2289 } | |
2290 | |
2291 | |
487 | 2292 static void |
2293 ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u, | |
2294 ngx_uint_t ft_type) | |
479 | 2295 { |
884 | 2296 ngx_uint_t status, state; |
479 | 2297 |
2298 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
884 | 2299 "http next upstream, %xi", ft_type); |
479 | 2300 |
2301 #if 0 | |
2302 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2303 #endif | |
2304 | |
525 | 2305 if (ft_type == NGX_HTTP_UPSTREAM_FT_HTTP_404) { |
884 | 2306 state = NGX_PEER_NEXT; |
525 | 2307 } else { |
884 | 2308 state = NGX_PEER_FAILED; |
479 | 2309 } |
525 | 2310 |
1378 | 2311 if (ft_type != NGX_HTTP_UPSTREAM_FT_NOLIVE) { |
2312 u->peer.free(&u->peer, u->peer.data, state); | |
2313 } | |
525 | 2314 |
479 | 2315 if (ft_type == NGX_HTTP_UPSTREAM_FT_TIMEOUT) { |
2316 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ETIMEDOUT, | |
2317 "upstream timed out"); | |
2318 } | |
577 | 2319 |
479 | 2320 if (u->peer.cached && ft_type == NGX_HTTP_UPSTREAM_FT_ERROR) { |
2321 status = 0; | |
2322 | |
2323 } else { | |
2324 switch(ft_type) { | |
2325 | |
2326 case NGX_HTTP_UPSTREAM_FT_TIMEOUT: | |
2327 status = NGX_HTTP_GATEWAY_TIME_OUT; | |
2328 break; | |
2329 | |
2330 case NGX_HTTP_UPSTREAM_FT_HTTP_500: | |
2331 status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
2332 break; | |
2333 | |
2334 case NGX_HTTP_UPSTREAM_FT_HTTP_404: | |
2335 status = NGX_HTTP_NOT_FOUND; | |
2336 break; | |
2337 | |
2338 /* | |
2339 * NGX_HTTP_UPSTREAM_FT_BUSY_LOCK and NGX_HTTP_UPSTREAM_FT_MAX_WAITING | |
2340 * never reach here | |
2341 */ | |
2342 | |
2343 default: | |
2344 status = NGX_HTTP_BAD_GATEWAY; | |
2345 } | |
2346 } | |
2347 | |
583 | 2348 if (r->connection->error) { |
479 | 2349 ngx_http_upstream_finalize_request(r, u, |
2350 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
2351 return; | |
2352 } | |
2353 | |
2354 if (status) { | |
2355 u->state->status = status; | |
2356 | |
525 | 2357 if (u->peer.tries == 0 || !(u->conf->next_upstream & ft_type)) { |
479 | 2358 |
2359 #if (NGX_HTTP_CACHE) | |
2360 | |
2361 if (u->stale && (u->conf->use_stale & ft_type)) { | |
2362 ngx_http_upstream_finalize_request(r, u, | |
525 | 2363 ngx_http_send_cached_response(r)); |
479 | 2364 return; |
2365 } | |
2366 | |
2367 #endif | |
2368 | |
2369 ngx_http_upstream_finalize_request(r, u, status); | |
2370 return; | |
2371 } | |
2372 } | |
2373 | |
2374 if (u->peer.connection) { | |
2375 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2376 "close http upstream connection: %d", | |
2377 u->peer.connection->fd); | |
577 | 2378 #if (NGX_HTTP_SSL) |
884 | 2379 |
577 | 2380 if (u->peer.connection->ssl) { |
884 | 2381 u->peer.connection->ssl->no_wait_shutdown = 1; |
2382 u->peer.connection->ssl->no_send_shutdown = 1; | |
2383 | |
2384 (void) ngx_ssl_shutdown(u->peer.connection); | |
577 | 2385 } |
2386 #endif | |
884 | 2387 |
479 | 2388 ngx_close_connection(u->peer.connection); |
2389 } | |
2390 | |
2391 #if 0 | |
2392 if (u->conf->busy_lock && !u->busy_locked) { | |
2393 ngx_http_upstream_busy_lock(p); | |
2394 return; | |
2395 } | |
2396 #endif | |
2397 | |
2398 ngx_http_upstream_connect(r, u); | |
2399 } | |
2400 | |
2401 | |
487 | 2402 static void |
569 | 2403 ngx_http_upstream_cleanup(void *data) |
2404 { | |
2405 ngx_http_request_t *r = data; | |
2406 | |
1705 | 2407 ngx_http_upstream_t *u; |
2408 | |
569 | 2409 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2410 "cleanup http upstream request: \"%V\"", &r->uri); | |
2411 | |
1705 | 2412 u = r->upstream; |
2413 | |
2414 if (u->resolved && u->resolved->ctx) { | |
2415 ngx_resolve_name_done(u->resolved->ctx); | |
1658 | 2416 } |
2417 | |
1705 | 2418 ngx_http_upstream_finalize_request(r, u, NGX_DONE); |
569 | 2419 } |
2420 | |
2421 | |
2422 static void | |
487 | 2423 ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
2424 ngx_http_upstream_t *u, ngx_int_t rc) | |
479 | 2425 { |
889
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2426 ngx_time_t *tp; |
563 | 2427 |
483 | 2428 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2429 "finalize http upstream request: %i", rc); | |
479 | 2430 |
569 | 2431 *u->cleanup = NULL; |
2432 | |
1658 | 2433 if (u->state && u->state->response_sec) { |
563 | 2434 tp = ngx_timeofday(); |
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2435 u->state->response_sec = tp->sec - u->state->response_sec; |
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2436 u->state->response_msec = tp->msec - u->state->response_msec; |
563 | 2437 } |
2438 | |
479 | 2439 u->finalize_request(r, rc); |
2440 | |
1658 | 2441 if (u->peer.free) { |
2442 u->peer.free(&u->peer, u->peer.data, 0); | |
2443 } | |
884 | 2444 |
479 | 2445 if (u->peer.connection) { |
884 | 2446 |
577 | 2447 #if (NGX_HTTP_SSL) |
2448 | |
2449 /* TODO: do not shutdown persistent connection */ | |
2450 | |
2451 if (u->peer.connection->ssl) { | |
884 | 2452 |
2453 /* | |
2454 * We send the "close notify" shutdown alert to the upstream only | |
2455 * and do not wait its "close notify" shutdown alert. | |
2456 * It is acceptable according to the TLS standard. | |
2457 */ | |
2458 | |
2459 u->peer.connection->ssl->no_wait_shutdown = 1; | |
2460 | |
2461 (void) ngx_ssl_shutdown(u->peer.connection); | |
577 | 2462 } |
2463 #endif | |
884 | 2464 |
2465 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2466 "close http upstream connection: %d", | |
2467 u->peer.connection->fd); | |
2468 | |
479 | 2469 ngx_close_connection(u->peer.connection); |
2470 } | |
2471 | |
483 | 2472 u->peer.connection = NULL; |
2473 | |
563 | 2474 if (u->header_sent && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE)) |
479 | 2475 { |
2476 rc = 0; | |
2477 } | |
2478 | |
581 | 2479 if (u->pipe && u->pipe->temp_file) { |
479 | 2480 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2481 "http upstream temp fd: %d", | |
581 | 2482 u->pipe->temp_file->file.fd); |
479 | 2483 } |
2484 | |
2485 #if 0 | |
2486 if (u->cache) { | |
2487 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
483 | 2488 "http upstream cache fd: %d", |
479 | 2489 u->cache->ctx.file.fd); |
2490 } | |
2491 #endif | |
2492 | |
515 | 2493 if (rc == NGX_DECLINED) { |
2494 return; | |
2495 } | |
2496 | |
483 | 2497 r->connection->log->action = "sending to client"; |
2498 | |
2377
87b8c44906b5
*) refactor subrequest handling, now they run as separate posted requests
Igor Sysoev <igor@sysoev.ru>
parents:
2360
diff
changeset
|
2499 if (rc == 0 && r == r->main && !r->post_action) { |
87b8c44906b5
*) refactor subrequest handling, now they run as separate posted requests
Igor Sysoev <igor@sysoev.ru>
parents:
2360
diff
changeset
|
2500 rc = ngx_http_send_special(r, NGX_HTTP_LAST); |
479 | 2501 } |
2502 | |
2503 ngx_http_finalize_request(r, rc); | |
2504 } | |
2505 | |
2506 | |
509 | 2507 static ngx_int_t |
2508 ngx_http_upstream_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2509 ngx_uint_t offset) | |
577 | 2510 { |
509 | 2511 ngx_table_elt_t **ph; |
577 | 2512 |
509 | 2513 ph = (ngx_table_elt_t **) ((char *) &r->upstream->headers_in + offset); |
2514 | |
2515 if (*ph == NULL) { | |
2516 *ph = h; | |
2517 } | |
2518 | |
2519 return NGX_OK; | |
2520 } | |
2521 | |
2522 | |
2523 static ngx_int_t | |
2524 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
2525 ngx_table_elt_t *h, ngx_uint_t offset) | |
2526 { | |
2527 ngx_array_t *pa; | |
2528 ngx_table_elt_t **ph; | |
2529 | |
2530 pa = (ngx_array_t *) ((char *) &r->upstream->headers_in + offset); | |
2531 | |
2532 if (pa->elts == NULL) { | |
2533 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
2534 { | |
2535 return NGX_ERROR; | |
2536 } | |
2537 } | |
2538 | |
2539 ph = ngx_array_push(pa); | |
2540 if (ph == NULL) { | |
2541 return NGX_ERROR; | |
2542 } | |
2543 | |
2544 *ph = h; | |
2545 | |
2546 return NGX_OK; | |
2547 } | |
2548 | |
2549 | |
2550 static ngx_int_t | |
2551 ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2552 ngx_uint_t offset) | |
2553 { | |
2554 return NGX_OK; | |
2555 } | |
2556 | |
2557 | |
2558 static ngx_int_t | |
527 | 2559 ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, ngx_table_elt_t *h, |
2560 ngx_uint_t offset) | |
577 | 2561 { |
527 | 2562 ngx_int_t n; |
2563 | |
2564 r->upstream->headers_in.x_accel_limit_rate = h; | |
2565 | |
2566 n = ngx_atoi(h->value.data, h->value.len); | |
2567 | |
2568 if (n != NGX_ERROR) { | |
2569 r->limit_rate = (size_t) n; | |
2570 } | |
2571 | |
2572 return NGX_OK; | |
2573 } | |
2574 | |
2575 | |
2576 static ngx_int_t | |
649 | 2577 ngx_http_upstream_process_buffering(ngx_http_request_t *r, ngx_table_elt_t *h, |
2578 ngx_uint_t offset) | |
2579 { | |
2580 u_char c0, c1, c2; | |
2581 | |
2582 if (r->upstream->conf->change_buffering) { | |
2583 | |
2584 if (h->value.len == 2) { | |
2585 c0 = ngx_tolower(h->value.data[0]); | |
2586 c1 = ngx_tolower(h->value.data[1]); | |
2587 | |
2588 if (c0 == 'n' && c1 == 'o') { | |
2589 r->upstream->buffering = 0; | |
2590 } | |
2591 | |
2592 } else if (h->value.len == 3) { | |
2593 c0 = ngx_tolower(h->value.data[0]); | |
2594 c1 = ngx_tolower(h->value.data[1]); | |
2595 c2 = ngx_tolower(h->value.data[2]); | |
2596 | |
2597 if (c0 == 'y' && c1 == 'e' && c2 == 's') { | |
2598 r->upstream->buffering = 1; | |
2599 } | |
2600 } | |
2601 } | |
2602 | |
2603 return NGX_OK; | |
2604 } | |
2605 | |
2606 | |
2607 static ngx_int_t | |
657 | 2608 ngx_http_upstream_process_charset(ngx_http_request_t *r, ngx_table_elt_t *h, |
2609 ngx_uint_t offset) | |
2610 { | |
2611 r->headers_out.override_charset = &h->value; | |
2612 | |
2613 return NGX_OK; | |
2614 } | |
2615 | |
2616 | |
2617 static ngx_int_t | |
509 | 2618 ngx_http_upstream_copy_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, |
2619 ngx_uint_t offset) | |
2620 { | |
573 | 2621 ngx_table_elt_t *ho, **ph; |
509 | 2622 |
2623 ho = ngx_list_push(&r->headers_out.headers); | |
2624 if (ho == NULL) { | |
2625 return NGX_ERROR; | |
2626 } | |
2627 | |
2628 *ho = *h; | |
2629 | |
573 | 2630 if (offset) { |
2631 ph = (ngx_table_elt_t **) ((char *) &r->headers_out + offset); | |
2632 *ph = ho; | |
2633 } | |
2634 | |
509 | 2635 return NGX_OK; |
2636 } | |
2637 | |
2638 | |
2639 static ngx_int_t | |
2640 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
2641 ngx_table_elt_t *h, ngx_uint_t offset) | |
2642 { | |
2643 ngx_array_t *pa; | |
2644 ngx_table_elt_t *ho, **ph; | |
2645 | |
2646 pa = (ngx_array_t *) ((char *) &r->headers_out + offset); | |
2647 | |
2648 if (pa->elts == NULL) { | |
2649 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
2650 { | |
2651 return NGX_ERROR; | |
2652 } | |
2653 } | |
2654 | |
2655 ph = ngx_array_push(pa); | |
2656 if (ph == NULL) { | |
2657 return NGX_ERROR; | |
2658 } | |
2659 | |
2660 ho = ngx_list_push(&r->headers_out.headers); | |
2661 if (ho == NULL) { | |
2662 return NGX_ERROR; | |
2663 } | |
2664 | |
2665 *ho = *h; | |
2666 *ph = ho; | |
2667 | |
2668 return NGX_OK; | |
2669 } | |
2670 | |
2671 | |
2672 static ngx_int_t | |
2673 ngx_http_upstream_copy_content_type(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2674 ngx_uint_t offset) | |
2675 { | |
657 | 2676 u_char *p, *last; |
2677 | |
2678 r->headers_out.content_type_len = h->value.len; | |
509 | 2679 r->headers_out.content_type = h->value; |
2680 | |
657 | 2681 for (p = h->value.data; *p; p++) { |
2682 | |
2683 if (*p != ';') { | |
2684 continue; | |
2685 } | |
2686 | |
2687 last = p; | |
2688 | |
2689 while (*++p == ' ') { /* void */ } | |
2690 | |
1968 | 2691 if (*p == '\0') { |
2692 return NGX_OK; | |
2693 } | |
2694 | |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1098
diff
changeset
|
2695 if (ngx_strncasecmp(p, (u_char *) "charset=", 8) != 0) { |
657 | 2696 continue; |
2697 } | |
2698 | |
2699 p += 8; | |
2700 | |
2701 r->headers_out.content_type_len = last - h->value.data; | |
2702 | |
2244 | 2703 if (*p == '"') { |
2704 p++; | |
2705 } | |
2706 | |
2707 last = h->value.data + h->value.len; | |
2708 | |
2709 if (*(last - 1) == '"') { | |
2710 last--; | |
2711 } | |
2712 | |
2713 r->headers_out.charset.len = last - p; | |
657 | 2714 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
|
2715 |
c6c42497106c
fix segfault if upstream sends trailing ";" in "charset="
Igor Sysoev <igor@sysoev.ru>
parents:
1109
diff
changeset
|
2716 return NGX_OK; |
657 | 2717 } |
2718 | |
509 | 2719 return NGX_OK; |
2720 } | |
2721 | |
2722 | |
2723 static ngx_int_t | |
2724 ngx_http_upstream_copy_content_length(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2725 ngx_uint_t offset) | |
2726 { | |
2727 ngx_table_elt_t *ho; | |
2728 | |
2729 ho = ngx_list_push(&r->headers_out.headers); | |
2730 if (ho == NULL) { | |
2731 return NGX_ERROR; | |
2732 } | |
2733 | |
2734 *ho = *h; | |
2735 | |
2736 r->headers_out.content_length = ho; | |
2737 r->headers_out.content_length_n = ngx_atoof(h->value.data, h->value.len); | |
2738 | |
2739 return NGX_OK; | |
2740 } | |
2741 | |
2742 | |
2743 static ngx_int_t | |
2744 ngx_http_upstream_rewrite_location(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2745 ngx_uint_t offset) | |
2746 { | |
2747 ngx_int_t rc; | |
2748 ngx_table_elt_t *ho; | |
2749 | |
2750 ho = ngx_list_push(&r->headers_out.headers); | |
2751 if (ho == NULL) { | |
2752 return NGX_ERROR; | |
2753 } | |
2754 | |
2755 *ho = *h; | |
2756 | |
2757 if (r->upstream->rewrite_redirect) { | |
2758 rc = r->upstream->rewrite_redirect(r, ho, 0); | |
2759 | |
529 | 2760 if (rc == NGX_DECLINED) { |
2761 return NGX_OK; | |
2762 } | |
2763 | |
509 | 2764 if (rc == NGX_OK) { |
2765 r->headers_out.location = ho; | |
2766 | |
2767 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2768 "rewritten location: \"%V\"", &ho->value); | |
2769 } | |
2770 | |
2771 return rc; | |
2772 } | |
2773 | |
1653
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2774 if (ho->value.data[0] != '/') { |
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2775 r->headers_out.location = ho; |
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2776 } |
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
2777 |
509 | 2778 /* |
2779 * we do not set r->headers_out.location here to avoid the handling | |
2780 * the local redirects without a host name by ngx_http_header_filter() | |
2781 */ | |
2782 | |
2783 return NGX_OK; | |
2784 } | |
2785 | |
2786 | |
2787 static ngx_int_t | |
2788 ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2789 ngx_uint_t offset) | |
2790 { | |
2791 u_char *p; | |
2792 ngx_int_t rc; | |
2793 ngx_table_elt_t *ho; | |
2794 | |
2795 ho = ngx_list_push(&r->headers_out.headers); | |
2796 if (ho == NULL) { | |
2797 return NGX_ERROR; | |
2798 } | |
2799 | |
2800 *ho = *h; | |
2801 | |
2802 if (r->upstream->rewrite_redirect) { | |
2803 | |
1549 | 2804 p = ngx_strcasestrn(ho->value.data, "url=", 4 - 1); |
509 | 2805 |
2806 if (p) { | |
2807 rc = r->upstream->rewrite_redirect(r, ho, p + 4 - ho->value.data); | |
2808 | |
2809 } else { | |
2810 return NGX_OK; | |
2811 } | |
2812 | |
529 | 2813 if (rc == NGX_DECLINED) { |
2814 return NGX_OK; | |
2815 } | |
2816 | |
509 | 2817 if (rc == NGX_OK) { |
1654 | 2818 r->headers_out.refresh = ho; |
2819 | |
509 | 2820 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2821 "rewritten refresh: \"%V\"", &ho->value); | |
2822 } | |
2823 | |
2824 return rc; | |
2825 } | |
2826 | |
1654 | 2827 r->headers_out.refresh = ho; |
2828 | |
509 | 2829 return NGX_OK; |
2830 } | |
2831 | |
2832 | |
2833 #if (NGX_HTTP_GZIP) | |
2834 | |
2835 static ngx_int_t | |
2836 ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
2837 ngx_table_elt_t *h, ngx_uint_t offset) | |
2838 { | |
2839 ngx_table_elt_t *ho; | |
2840 | |
2841 ho = ngx_list_push(&r->headers_out.headers); | |
2842 if (ho == NULL) { | |
2843 return NGX_ERROR; | |
2844 } | |
2845 | |
2846 *ho = *h; | |
2847 | |
2848 r->headers_out.content_encoding = ho; | |
2849 | |
2850 return NGX_OK; | |
2851 } | |
2852 | |
2853 #endif | |
2854 | |
2855 | |
487 | 2856 static ngx_int_t |
573 | 2857 ngx_http_upstream_add_variables(ngx_conf_t *cf) |
479 | 2858 { |
880 | 2859 ngx_http_variable_t *var, *v; |
479 | 2860 |
573 | 2861 for (v = ngx_http_upstream_vars; v->name.len; v++) { |
2862 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
2863 if (var == NULL) { | |
2864 return NGX_ERROR; | |
2865 } | |
2866 | |
637 | 2867 var->get_handler = v->get_handler; |
573 | 2868 var->data = v->data; |
2869 } | |
2870 | |
479 | 2871 return NGX_OK; |
2872 } | |
509 | 2873 |
2874 | |
573 | 2875 static ngx_int_t |
1181 | 2876 ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
2877 ngx_http_variable_value_t *v, uintptr_t data) | |
2878 { | |
2879 u_char *p; | |
2880 size_t len; | |
2881 ngx_uint_t i; | |
2882 ngx_http_upstream_state_t *state; | |
2883 | |
2884 v->valid = 1; | |
1565 | 2885 v->no_cacheable = 0; |
1181 | 2886 v->not_found = 0; |
2887 | |
2888 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { | |
2889 v->not_found = 1; | |
2890 return NGX_OK; | |
2891 } | |
2892 | |
2893 len = 0; | |
2894 state = r->upstream_states->elts; | |
2895 | |
2896 for (i = 0; i < r->upstream_states->nelts; i++) { | |
2897 if (state[i].peer) { | |
2898 len += state[i].peer->len + 2; | |
2899 | |
2900 } else { | |
2901 len += 3; | |
2902 } | |
2903 } | |
2904 | |
2049 | 2905 p = ngx_pnalloc(r->pool, len); |
1181 | 2906 if (p == NULL) { |
2907 return NGX_ERROR; | |
2908 } | |
2909 | |
2910 v->data = p; | |
2911 | |
2912 i = 0; | |
2913 | |
2914 for ( ;; ) { | |
2915 if (state[i].peer) { | |
2916 p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len); | |
2917 } | |
2918 | |
2919 if (++i == r->upstream_states->nelts) { | |
2920 break; | |
2921 } | |
2922 | |
2923 if (state[i].peer) { | |
2924 *p++ = ','; | |
2925 *p++ = ' '; | |
2926 | |
2927 } else { | |
2928 *p++ = ' '; | |
2929 *p++ = ':'; | |
2930 *p++ = ' '; | |
2931 | |
2932 if (++i == r->upstream_states->nelts) { | |
2933 break; | |
2934 } | |
2935 | |
2936 continue; | |
2937 } | |
2938 } | |
2939 | |
2940 v->len = p - v->data; | |
2941 | |
2942 return NGX_OK; | |
2943 } | |
2944 | |
2945 | |
2946 static ngx_int_t | |
573 | 2947 ngx_http_upstream_status_variable(ngx_http_request_t *r, |
2948 ngx_http_variable_value_t *v, uintptr_t data) | |
2949 { | |
2950 u_char *p; | |
2951 size_t len; | |
2952 ngx_uint_t i; | |
2953 ngx_http_upstream_state_t *state; | |
2954 | |
2955 v->valid = 1; | |
1565 | 2956 v->no_cacheable = 0; |
573 | 2957 v->not_found = 0; |
2958 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2959 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
573 | 2960 v->not_found = 1; |
2961 return NGX_OK; | |
2962 } | |
2963 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2964 len = r->upstream_states->nelts * (3 + 2); |
573 | 2965 |
2049 | 2966 p = ngx_pnalloc(r->pool, len); |
573 | 2967 if (p == NULL) { |
2968 return NGX_ERROR; | |
2969 } | |
2970 | |
2971 v->data = p; | |
2972 | |
2973 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
|
2974 state = r->upstream_states->elts; |
573 | 2975 |
2976 for ( ;; ) { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2977 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
|
2978 p = ngx_sprintf(p, "%ui", state[i].status); |
573 | 2979 |
2980 } else { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2981 *p++ = '-'; |
573 | 2982 } |
2983 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2984 if (++i == r->upstream_states->nelts) { |
573 | 2985 break; |
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 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
|
2989 *p++ = ','; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2990 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2991 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2992 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2993 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2994 *p++ = ':'; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2995 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2996 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2997 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
|
2998 break; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
2999 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3000 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3001 continue; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3002 } |
573 | 3003 } |
3004 | |
3005 v->len = p - v->data; | |
3006 | |
3007 return NGX_OK; | |
3008 } | |
3009 | |
3010 | |
3011 static ngx_int_t | |
3012 ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
3013 ngx_http_variable_value_t *v, uintptr_t data) | |
3014 { | |
3015 u_char *p; | |
3016 size_t len; | |
3017 ngx_uint_t i; | |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
3018 ngx_msec_int_t ms; |
573 | 3019 ngx_http_upstream_state_t *state; |
3020 | |
3021 v->valid = 1; | |
1565 | 3022 v->no_cacheable = 0; |
573 | 3023 v->not_found = 0; |
3024 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3025 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
573 | 3026 v->not_found = 1; |
3027 return NGX_OK; | |
3028 } | |
3029 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3030 len = r->upstream_states->nelts * (NGX_TIME_T_LEN + 4 + 2); |
573 | 3031 |
2049 | 3032 p = ngx_pnalloc(r->pool, len); |
573 | 3033 if (p == NULL) { |
3034 return NGX_ERROR; | |
3035 } | |
3036 | |
3037 v->data = p; | |
3038 | |
3039 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
|
3040 state = r->upstream_states->elts; |
573 | 3041 |
3042 for ( ;; ) { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3043 if (state[i].status) { |
1640 | 3044 ms = (ngx_msec_int_t) |
3045 (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
|
3046 ms = (ms >= 0) ? ms : 0; |
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
3047 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
|
3048 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3049 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3050 *p++ = '-'; |
573 | 3051 } |
3052 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3053 if (++i == r->upstream_states->nelts) { |
573 | 3054 break; |
3055 } | |
3056 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3057 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
|
3058 *p++ = ','; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3059 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3060 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3061 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3062 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3063 *p++ = ':'; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3064 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3065 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3066 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
|
3067 break; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3068 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3069 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3070 continue; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3071 } |
573 | 3072 } |
3073 | |
3074 v->len = p - v->data; | |
3075 | |
3076 return NGX_OK; | |
3077 } | |
3078 | |
3079 | |
1162 | 3080 ngx_int_t |
3081 ngx_http_upstream_header_variable(ngx_http_request_t *r, | |
3082 ngx_http_variable_value_t *v, uintptr_t data) | |
3083 { | |
3084 if (r->upstream == NULL) { | |
3085 v->not_found = 1; | |
3086 return NGX_OK; | |
3087 } | |
3088 | |
3089 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
3090 &r->upstream->headers_in.headers.part, | |
3091 sizeof("upstream_http_") - 1); | |
3092 } | |
3093 | |
3094 | |
651 | 3095 static char * |
3096 ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) | |
3097 { | |
884 | 3098 char *rv; |
3099 void *mconf; | |
3100 ngx_str_t *value; | |
3101 ngx_url_t u; | |
3102 ngx_uint_t m; | |
3103 ngx_conf_t pcf; | |
3104 ngx_http_module_t *module; | |
3105 ngx_http_conf_ctx_t *ctx, *http_ctx; | |
3106 ngx_http_upstream_srv_conf_t *uscf; | |
3107 | |
3108 ngx_memzero(&u, sizeof(ngx_url_t)); | |
3109 | |
3110 value = cf->args->elts; | |
3111 u.host = value[1]; | |
3112 u.no_resolve = 1; | |
3113 | |
3114 uscf = ngx_http_upstream_add(cf, &u, NGX_HTTP_UPSTREAM_CREATE | |
3115 |NGX_HTTP_UPSTREAM_WEIGHT | |
3116 |NGX_HTTP_UPSTREAM_MAX_FAILS | |
3117 |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT | |
3118 |NGX_HTTP_UPSTREAM_DOWN | |
3119 |NGX_HTTP_UPSTREAM_BACKUP); | |
3120 if (uscf == NULL) { | |
3121 return NGX_CONF_ERROR; | |
3122 } | |
3123 | |
651 | 3124 |
3125 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); | |
3126 if (ctx == NULL) { | |
3127 return NGX_CONF_ERROR; | |
3128 } | |
3129 | |
884 | 3130 http_ctx = cf->ctx; |
3131 ctx->main_conf = http_ctx->main_conf; | |
651 | 3132 |
3133 /* the upstream{}'s srv_conf */ | |
3134 | |
3135 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
3136 if (ctx->srv_conf == NULL) { | |
3137 return NGX_CONF_ERROR; | |
3138 } | |
3139 | |
3140 ctx->srv_conf[ngx_http_upstream_module.ctx_index] = uscf; | |
3141 | |
884 | 3142 uscf->srv_conf = ctx->srv_conf; |
3143 | |
651 | 3144 |
3145 /* the upstream{}'s loc_conf */ | |
3146 | |
3147 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
3148 if (ctx->loc_conf == NULL) { | |
3149 return NGX_CONF_ERROR; | |
3150 } | |
3151 | |
3152 for (m = 0; ngx_modules[m]; m++) { | |
3153 if (ngx_modules[m]->type != NGX_HTTP_MODULE) { | |
3154 continue; | |
3155 } | |
3156 | |
3157 module = ngx_modules[m]->ctx; | |
3158 | |
884 | 3159 if (module->create_srv_conf) { |
3160 mconf = module->create_srv_conf(cf); | |
3161 if (mconf == NULL) { | |
3162 return NGX_CONF_ERROR; | |
3163 } | |
3164 | |
3165 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
3166 } | |
3167 | |
651 | 3168 if (module->create_loc_conf) { |
3169 mconf = module->create_loc_conf(cf); | |
3170 if (mconf == NULL) { | |
3171 return NGX_CONF_ERROR; | |
3172 } | |
3173 | |
3174 ctx->loc_conf[ngx_modules[m]->ctx_index] = mconf; | |
3175 } | |
3176 } | |
3177 | |
3178 | |
3179 /* parse inside upstream{} */ | |
3180 | |
3181 pcf = *cf; | |
3182 cf->ctx = ctx; | |
3183 cf->cmd_type = NGX_HTTP_UPS_CONF; | |
3184 | |
3185 rv = ngx_conf_parse(cf, NULL); | |
3186 | |
3187 *cf = pcf; | |
3188 | |
3189 if (rv != NGX_CONF_OK) { | |
3190 return rv; | |
3191 } | |
3192 | |
3193 if (uscf->servers == NULL) { | |
3194 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3195 "no servers are inside upstream"); | |
3196 return NGX_CONF_ERROR; | |
3197 } | |
3198 | |
3199 return rv; | |
3200 } | |
3201 | |
3202 | |
3203 static char * | |
3204 ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
3205 { | |
3206 ngx_http_upstream_srv_conf_t *uscf = conf; | |
3207 | |
884 | 3208 time_t fail_timeout; |
3209 ngx_str_t *value, s; | |
3210 ngx_url_t u; | |
3211 ngx_int_t weight, max_fails; | |
3212 ngx_uint_t i; | |
3213 ngx_http_upstream_server_t *us; | |
651 | 3214 |
3215 if (uscf->servers == NULL) { | |
884 | 3216 uscf->servers = ngx_array_create(cf->pool, 4, |
3217 sizeof(ngx_http_upstream_server_t)); | |
651 | 3218 if (uscf->servers == NULL) { |
3219 return NGX_CONF_ERROR; | |
3220 } | |
3221 } | |
3222 | |
884 | 3223 us = ngx_array_push(uscf->servers); |
3224 if (us == NULL) { | |
651 | 3225 return NGX_CONF_ERROR; |
3226 } | |
3227 | |
884 | 3228 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); |
3229 | |
651 | 3230 value = cf->args->elts; |
3231 | |
3232 ngx_memzero(&u, sizeof(ngx_url_t)); | |
3233 | |
3234 u.url = value[1]; | |
906 | 3235 u.default_port = 80; |
651 | 3236 |
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3237 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
651 | 3238 if (u.err) { |
3239 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3240 "%s in upstream \"%V\"", u.err, &u.url); | |
3241 } | |
3242 | |
3243 return NGX_CONF_ERROR; | |
3244 } | |
3245 | |
663 | 3246 weight = 1; |
884 | 3247 max_fails = 1; |
3248 fail_timeout = 10; | |
3249 | |
3250 for (i = 2; i < cf->args->nelts; i++) { | |
3251 | |
3252 if (ngx_strncmp(value[i].data, "weight=", 7) == 0) { | |
3253 | |
3254 if (!(uscf->flags & NGX_HTTP_UPSTREAM_WEIGHT)) { | |
3255 goto invalid; | |
3256 } | |
3257 | |
3258 weight = ngx_atoi(&value[i].data[7], value[i].len - 7); | |
663 | 3259 |
3260 if (weight == NGX_ERROR || weight == 0) { | |
3261 goto invalid; | |
3262 } | |
3263 | |
884 | 3264 continue; |
3265 } | |
3266 | |
3267 if (ngx_strncmp(value[i].data, "max_fails=", 10) == 0) { | |
3268 | |
3269 if (!(uscf->flags & NGX_HTTP_UPSTREAM_MAX_FAILS)) { | |
3270 goto invalid; | |
3271 } | |
3272 | |
3273 max_fails = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
3274 | |
3275 if (max_fails == NGX_ERROR) { | |
3276 goto invalid; | |
3277 } | |
3278 | |
3279 continue; | |
663 | 3280 } |
884 | 3281 |
3282 if (ngx_strncmp(value[i].data, "fail_timeout=", 13) == 0) { | |
3283 | |
3284 if (!(uscf->flags & NGX_HTTP_UPSTREAM_FAIL_TIMEOUT)) { | |
3285 goto invalid; | |
3286 } | |
3287 | |
3288 s.len = value[i].len - 13; | |
3289 s.data = &value[i].data[13]; | |
3290 | |
3291 fail_timeout = ngx_parse_time(&s, 1); | |
3292 | |
1973 | 3293 if (fail_timeout == NGX_ERROR) { |
884 | 3294 goto invalid; |
3295 } | |
3296 | |
3297 continue; | |
3298 } | |
3299 | |
1378 | 3300 if (ngx_strncmp(value[i].data, "backup", 6) == 0) { |
3301 | |
3302 if (!(uscf->flags & NGX_HTTP_UPSTREAM_BACKUP)) { | |
3303 goto invalid; | |
3304 } | |
3305 | |
3306 us->backup = 1; | |
3307 | |
3308 continue; | |
3309 } | |
3310 | |
884 | 3311 if (ngx_strncmp(value[i].data, "down", 4) == 0) { |
3312 | |
3313 if (!(uscf->flags & NGX_HTTP_UPSTREAM_DOWN)) { | |
3314 goto invalid; | |
3315 } | |
3316 | |
3317 us->down = 1; | |
3318 | |
3319 continue; | |
3320 } | |
3321 | |
3322 goto invalid; | |
663 | 3323 } |
3324 | |
884 | 3325 us->addrs = u.addrs; |
3326 us->naddrs = u.naddrs; | |
3327 us->weight = weight; | |
3328 us->max_fails = max_fails; | |
3329 us->fail_timeout = fail_timeout; | |
651 | 3330 |
3331 return NGX_CONF_OK; | |
663 | 3332 |
3333 invalid: | |
3334 | |
884 | 3335 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3336 "invalid parameter \"%V\"", &value[i]); | |
663 | 3337 |
3338 return NGX_CONF_ERROR; | |
651 | 3339 } |
3340 | |
3341 | |
3342 ngx_http_upstream_srv_conf_t * | |
884 | 3343 ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags) |
651 | 3344 { |
3345 ngx_uint_t i; | |
884 | 3346 ngx_http_upstream_server_t *us; |
651 | 3347 ngx_http_upstream_srv_conf_t *uscf, **uscfp; |
3348 ngx_http_upstream_main_conf_t *umcf; | |
3349 | |
884 | 3350 if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) { |
3351 | |
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3352 if (ngx_parse_url(cf->pool, u) != NGX_OK) { |
651 | 3353 if (u->err) { |
3354 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3355 "%s in upstream \"%V\"", u->err, &u->url); | |
3356 } | |
3357 | |
3358 return NULL; | |
3359 } | |
3360 } | |
3361 | |
3362 umcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_upstream_module); | |
3363 | |
3364 uscfp = umcf->upstreams.elts; | |
3365 | |
3366 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
906 | 3367 |
3368 if (uscfp[i]->host.len != u->host.len | |
884 | 3369 || ngx_strncasecmp(uscfp[i]->host.data, u->host.data, u->host.len) |
3370 != 0) | |
3371 { | |
651 | 3372 continue; |
3373 } | |
3374 | |
884 | 3375 if ((flags & NGX_HTTP_UPSTREAM_CREATE) |
3376 && (uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE)) | |
651 | 3377 { |
884 | 3378 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3379 "duplicate upstream \"%V\"", &u->host); | |
3380 return NULL; | |
651 | 3381 } |
884 | 3382 |
906 | 3383 if ((uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE) && u->port) { |
884 | 3384 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
906 | 3385 "upstream \"%V\" may not have port %d", |
3386 &u->host, u->port); | |
3387 return NULL; | |
3388 } | |
3389 | |
3390 if ((flags & NGX_HTTP_UPSTREAM_CREATE) && uscfp[i]->port) { | |
3391 ngx_log_error(NGX_LOG_WARN, cf->log, 0, | |
3392 "upstream \"%V\" may not have port %d in %s:%ui", | |
3393 &u->host, uscfp[i]->port, | |
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3394 uscfp[i]->file_name, uscfp[i]->line); |
906 | 3395 return NULL; |
3396 } | |
3397 | |
3398 if (uscfp[i]->port != u->port) { | |
3399 continue; | |
884 | 3400 } |
3401 | |
1340 | 3402 if (uscfp[i]->default_port && u->default_port |
3403 && uscfp[i]->default_port != u->default_port) | |
3404 { | |
3405 continue; | |
3406 } | |
3407 | |
884 | 3408 return uscfp[i]; |
651 | 3409 } |
3410 | |
3411 uscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_srv_conf_t)); | |
3412 if (uscf == NULL) { | |
3413 return NULL; | |
3414 } | |
3415 | |
884 | 3416 uscf->flags = flags; |
651 | 3417 uscf->host = u->host; |
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3418 uscf->file_name = cf->conf_file->file.name.data; |
651 | 3419 uscf->line = cf->conf_file->line; |
906 | 3420 uscf->port = u->port; |
3421 uscf->default_port = u->default_port; | |
884 | 3422 |
3423 if (u->naddrs == 1) { | |
3424 uscf->servers = ngx_array_create(cf->pool, 1, | |
3425 sizeof(ngx_http_upstream_server_t)); | |
3426 if (uscf->servers == NULL) { | |
3427 return NGX_CONF_ERROR; | |
3428 } | |
3429 | |
3430 us = ngx_array_push(uscf->servers); | |
3431 if (us == NULL) { | |
3432 return NGX_CONF_ERROR; | |
3433 } | |
3434 | |
3435 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); | |
3436 | |
3437 us->addrs = u->addrs; | |
3438 us->naddrs = u->naddrs; | |
3439 } | |
651 | 3440 |
3441 uscfp = ngx_array_push(&umcf->upstreams); | |
3442 if (uscfp == NULL) { | |
3443 return NULL; | |
3444 } | |
3445 | |
3446 *uscfp = uscf; | |
3447 | |
3448 return uscf; | |
3449 } | |
3450 | |
3451 | |
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3452 ngx_int_t |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3453 ngx_http_upstream_hide_headers_hash(ngx_conf_t *cf, |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3454 ngx_http_upstream_conf_t *conf, ngx_http_upstream_conf_t *prev, |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3455 ngx_str_t *default_hide_headers, ngx_hash_init_t *hash) |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3456 { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3457 ngx_str_t *h; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3458 ngx_uint_t i, j; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3459 ngx_array_t hide_headers; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3460 ngx_hash_key_t *hk; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3461 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3462 if (conf->hide_headers == NGX_CONF_UNSET_PTR |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3463 && conf->pass_headers == NGX_CONF_UNSET_PTR) |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3464 { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3465 conf->hide_headers_hash = prev->hide_headers_hash; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3466 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3467 if (conf->hide_headers_hash.buckets) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3468 return NGX_OK; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3469 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3470 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3471 conf->hide_headers = prev->hide_headers; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3472 conf->pass_headers = prev->pass_headers; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3473 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3474 } else { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3475 if (conf->hide_headers == NGX_CONF_UNSET_PTR) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3476 conf->hide_headers = prev->hide_headers; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3477 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3478 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3479 if (conf->pass_headers == NGX_CONF_UNSET_PTR) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3480 conf->pass_headers = prev->pass_headers; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3481 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3482 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3483 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3484 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3485 != NGX_OK) |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3486 { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3487 return NGX_ERROR; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3488 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3489 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3490 for (h = default_hide_headers; h->len; h++) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3491 hk = ngx_array_push(&hide_headers); |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3492 if (hk == NULL) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3493 return NGX_ERROR; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3494 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3495 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3496 hk->key = *h; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3497 hk->key_hash = ngx_hash_key_lc(h->data, h->len); |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3498 hk->value = (void *) 1; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3499 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3500 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3501 if (conf->hide_headers != NGX_CONF_UNSET_PTR) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3502 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3503 h = conf->hide_headers->elts; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3504 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3505 for (i = 0; i < conf->hide_headers->nelts; i++) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3506 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3507 hk = hide_headers.elts; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3508 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3509 for (j = 0; j < hide_headers.nelts; j++) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3510 if (ngx_strcasecmp(h[i].data, hk[j].key.data) == 0) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3511 goto exist; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3512 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3513 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3514 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3515 hk = ngx_array_push(&hide_headers); |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3516 if (hk == NULL) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3517 return NGX_ERROR; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3518 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3519 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3520 hk->key = h[i]; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3521 hk->key_hash = ngx_hash_key_lc(h[i].data, h[i].len); |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3522 hk->value = (void *) 1; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3523 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3524 exist: |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3525 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3526 continue; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3527 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3528 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3529 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3530 if (conf->pass_headers != NGX_CONF_UNSET_PTR) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3531 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3532 h = conf->pass_headers->elts; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3533 hk = hide_headers.elts; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3534 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3535 for (i = 0; i < conf->pass_headers->nelts; i++) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3536 for (j = 0; j < hide_headers.nelts; j++) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3537 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3538 if (hk[j].key.data == NULL) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3539 continue; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3540 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3541 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3542 if (ngx_strcasecmp(h[i].data, hk[j].key.data) == 0) { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3543 hk[j].key.data = NULL; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3544 break; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3545 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3546 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3547 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3548 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3549 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3550 hash->hash = &conf->hide_headers_hash; |
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3551 hash->key = ngx_hash_key_lc; |
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3552 hash->pool = cf->pool; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3553 hash->temp_pool = NULL; |
1706
9242e21d2f8d
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Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3554 |
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3555 return ngx_hash_init(hash, hide_headers.elts, hide_headers.nelts); |
40d004d95d88
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Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3556 } |
40d004d95d88
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parents:
1699
diff
changeset
|
3557 |
40d004d95d88
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parents:
1699
diff
changeset
|
3558 |
509 | 3559 static void * |
3560 ngx_http_upstream_create_main_conf(ngx_conf_t *cf) | |
3561 { | |
3562 ngx_http_upstream_main_conf_t *umcf; | |
3563 | |
3564 umcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_main_conf_t)); | |
3565 if (umcf == NULL) { | |
3566 return NULL; | |
3567 } | |
3568 | |
651 | 3569 if (ngx_array_init(&umcf->upstreams, cf->pool, 4, |
3570 sizeof(ngx_http_upstream_srv_conf_t *)) | |
3571 != NGX_OK) | |
3572 { | |
3573 return NGX_CONF_ERROR; | |
3574 } | |
3575 | |
509 | 3576 return umcf; |
3577 } | |
3578 | |
3579 | |
3580 static char * | |
651 | 3581 ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf) |
509 | 3582 { |
3583 ngx_http_upstream_main_conf_t *umcf = conf; | |
3584 | |
651 | 3585 ngx_uint_t i; |
3586 ngx_array_t headers_in; | |
3587 ngx_hash_key_t *hk; | |
3588 ngx_hash_init_t hash; | |
884 | 3589 ngx_http_upstream_init_pt init; |
651 | 3590 ngx_http_upstream_header_t *header; |
3591 ngx_http_upstream_srv_conf_t **uscfp; | |
3592 | |
3593 uscfp = umcf->upstreams.elts; | |
3594 | |
3595 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
884 | 3596 |
3597 init = uscfp[i]->peer.init_upstream ? uscfp[i]->peer.init_upstream: | |
3598 ngx_http_upstream_init_round_robin; | |
3599 | |
3600 if (init(cf, uscfp[i]) != NGX_OK) { | |
651 | 3601 return NGX_CONF_ERROR; |
3602 } | |
3603 } | |
649 | 3604 |
663 | 3605 |
884 | 3606 /* upstream_headers_in_hash */ |
3607 | |
649 | 3608 if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) |
3609 != NGX_OK) | |
509 | 3610 { |
3611 return NGX_CONF_ERROR; | |
3612 } | |
3613 | |
649 | 3614 for (header = ngx_http_upstream_headers_in; header->name.len; header++) { |
3615 hk = ngx_array_push(&headers_in); | |
3616 if (hk == NULL) { | |
3617 return NGX_CONF_ERROR; | |
3618 } | |
3619 | |
3620 hk->key = header->name; | |
3621 hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len); | |
3622 hk->value = header; | |
3623 } | |
3624 | |
3625 hash.hash = &umcf->headers_in_hash; | |
3626 hash.key = ngx_hash_key_lc; | |
3627 hash.max_size = 512; | |
751
bae59a740c40
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Igor Sysoev <igor@sysoev.ru>
parents:
750
diff
changeset
|
3628 hash.bucket_size = ngx_align(64, ngx_cacheline_size); |
649 | 3629 hash.name = "upstream_headers_in_hash"; |
3630 hash.pool = cf->pool; | |
3631 hash.temp_pool = NULL; | |
3632 | |
3633 if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) { | |
3634 return NGX_CONF_ERROR; | |
3635 } | |
509 | 3636 |
3637 return NGX_CONF_OK; | |
3638 } |