Mercurial > hg > nginx
annotate src/http/ngx_http_upstream.c @ 2662:40f9def49ed5
cache GET requests only
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 03 Apr 2009 12:06:04 +0000 |
parents | 3a8a53c0c42f |
children | 09725d69cb25 |
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 | |
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12 #if (NGX_HTTP_CACHE) |
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13 static ngx_int_t ngx_http_upstream_cache(ngx_http_request_t *r, |
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14 ngx_http_upstream_t *u); |
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15 static ngx_int_t ngx_http_upstream_cache_send(ngx_http_request_t *r, |
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16 ngx_http_upstream_t *u); |
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17 #endif |
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18 |
1658 | 19 static void ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx); |
509 | 20 static void ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r); |
21 static void ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r); | |
22 static void ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
23 ngx_event_t *ev); | |
479 | 24 static void ngx_http_upstream_connect(ngx_http_request_t *r, |
487 | 25 ngx_http_upstream_t *u); |
509 | 26 static ngx_int_t ngx_http_upstream_reinit(ngx_http_request_t *r, |
487 | 27 ngx_http_upstream_t *u); |
479 | 28 static void ngx_http_upstream_send_request(ngx_http_request_t *r, |
487 | 29 ngx_http_upstream_t *u); |
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30 static void ngx_http_upstream_send_request_handler(ngx_http_request_t *r, |
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31 ngx_http_upstream_t *u); |
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32 static void ngx_http_upstream_process_header(ngx_http_request_t *r, |
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33 ngx_http_upstream_t *u); |
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34 static ngx_int_t ngx_http_upstream_test_next(ngx_http_request_t *r, |
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35 ngx_http_upstream_t *u); |
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36 static ngx_int_t ngx_http_upstream_intercept_errors(ngx_http_request_t *r, |
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37 ngx_http_upstream_t *u); |
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38 static ngx_int_t ngx_http_upstream_test_connect(ngx_connection_t *c); |
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39 static ngx_int_t ngx_http_upstream_process_headers(ngx_http_request_t *r, |
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40 ngx_http_upstream_t *u); |
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41 static void ngx_http_upstream_process_body_in_memory(ngx_http_request_t *r, |
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42 ngx_http_upstream_t *u); |
479 | 43 static void ngx_http_upstream_send_response(ngx_http_request_t *r, |
487 | 44 ngx_http_upstream_t *u); |
581 | 45 static void |
46 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r); | |
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47 static void |
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48 ngx_http_upstream_process_non_buffered_upstream(ngx_http_request_t *r, |
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49 ngx_http_upstream_t *u); |
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50 static void |
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51 ngx_http_upstream_process_non_buffered_request(ngx_http_request_t *r, |
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52 ngx_uint_t do_write); |
581 | 53 static ngx_int_t ngx_http_upstream_non_buffered_filter_init(void *data); |
54 static ngx_int_t ngx_http_upstream_non_buffered_filter(void *data, | |
55 ssize_t bytes); | |
509 | 56 static void ngx_http_upstream_process_downstream(ngx_http_request_t *r); |
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57 static void ngx_http_upstream_process_upstream(ngx_http_request_t *r, |
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58 ngx_http_upstream_t *u); |
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59 static void ngx_http_upstream_process_request(ngx_http_request_t *r); |
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60 static void ngx_http_upstream_store(ngx_http_request_t *r, |
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61 ngx_http_upstream_t *u); |
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62 static void ngx_http_upstream_dummy_handler(ngx_http_request_t *r, |
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63 ngx_http_upstream_t *u); |
479 | 64 static void ngx_http_upstream_next(ngx_http_request_t *r, |
487 | 65 ngx_http_upstream_t *u, ngx_uint_t ft_type); |
569 | 66 static void ngx_http_upstream_cleanup(void *data); |
479 | 67 static void ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
487 | 68 ngx_http_upstream_t *u, ngx_int_t rc); |
479 | 69 |
509 | 70 static ngx_int_t ngx_http_upstream_process_header_line(ngx_http_request_t *r, |
71 ngx_table_elt_t *h, ngx_uint_t offset); | |
72 static ngx_int_t | |
73 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
74 ngx_table_elt_t *h, ngx_uint_t offset); | |
75 static ngx_int_t ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, | |
76 ngx_table_elt_t *h, ngx_uint_t offset); | |
527 | 77 static ngx_int_t ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, |
78 ngx_table_elt_t *h, ngx_uint_t offset); | |
649 | 79 static ngx_int_t ngx_http_upstream_process_buffering(ngx_http_request_t *r, |
509 | 80 ngx_table_elt_t *h, ngx_uint_t offset); |
657 | 81 static ngx_int_t ngx_http_upstream_process_charset(ngx_http_request_t *r, |
82 ngx_table_elt_t *h, ngx_uint_t offset); | |
649 | 83 static ngx_int_t ngx_http_upstream_copy_header_line(ngx_http_request_t *r, |
509 | 84 ngx_table_elt_t *h, ngx_uint_t offset); |
85 static ngx_int_t | |
86 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
87 ngx_table_elt_t *h, ngx_uint_t offset); | |
88 static ngx_int_t ngx_http_upstream_copy_content_type(ngx_http_request_t *r, | |
89 ngx_table_elt_t *h, ngx_uint_t offset); | |
90 static ngx_int_t ngx_http_upstream_copy_content_length(ngx_http_request_t *r, | |
91 ngx_table_elt_t *h, ngx_uint_t offset); | |
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92 static ngx_int_t ngx_http_upstream_copy_last_modified(ngx_http_request_t *r, |
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93 ngx_table_elt_t *h, ngx_uint_t offset); |
509 | 94 static ngx_int_t ngx_http_upstream_rewrite_location(ngx_http_request_t *r, |
95 ngx_table_elt_t *h, ngx_uint_t offset); | |
96 static ngx_int_t ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, | |
97 ngx_table_elt_t *h, ngx_uint_t offset); | |
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98 static ngx_int_t ngx_http_upstream_copy_allow_ranges(ngx_http_request_t *r, |
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99 ngx_table_elt_t *h, ngx_uint_t offset); |
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100 |
509 | 101 #if (NGX_HTTP_GZIP) |
102 static ngx_int_t ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
103 ngx_table_elt_t *h, ngx_uint_t offset); | |
104 #endif | |
105 | |
573 | 106 static ngx_int_t ngx_http_upstream_add_variables(ngx_conf_t *cf); |
1181 | 107 static ngx_int_t ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
108 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 109 static ngx_int_t ngx_http_upstream_status_variable(ngx_http_request_t *r, |
110 ngx_http_variable_value_t *v, uintptr_t data); | |
111 static ngx_int_t ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
112 ngx_http_variable_value_t *v, uintptr_t data); | |
2402 | 113 static ngx_int_t ngx_http_upstream_response_length_variable( |
114 ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 115 |
651 | 116 static char *ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy); |
117 static char *ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
118 void *conf); | |
119 | |
509 | 120 static void *ngx_http_upstream_create_main_conf(ngx_conf_t *cf); |
651 | 121 static char *ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf); |
509 | 122 |
577 | 123 #if (NGX_HTTP_SSL) |
591 | 124 static void ngx_http_upstream_ssl_init_connection(ngx_http_request_t *, |
125 ngx_http_upstream_t *u, ngx_connection_t *c); | |
577 | 126 static void ngx_http_upstream_ssl_handshake(ngx_connection_t *c); |
127 #endif | |
128 | |
509 | 129 |
130 ngx_http_upstream_header_t ngx_http_upstream_headers_in[] = { | |
131 | |
132 { ngx_string("Status"), | |
133 ngx_http_upstream_process_header_line, | |
134 offsetof(ngx_http_upstream_headers_in_t, status), | |
649 | 135 ngx_http_upstream_copy_header_line, 0, 0 }, |
509 | 136 |
137 { ngx_string("Content-Type"), | |
138 ngx_http_upstream_process_header_line, | |
139 offsetof(ngx_http_upstream_headers_in_t, content_type), | |
673 | 140 ngx_http_upstream_copy_content_type, 0, 1 }, |
509 | 141 |
142 { ngx_string("Content-Length"), | |
143 ngx_http_upstream_process_header_line, | |
144 offsetof(ngx_http_upstream_headers_in_t, content_length), | |
515 | 145 ngx_http_upstream_copy_content_length, 0, 0 }, |
509 | 146 |
147 { ngx_string("Date"), | |
148 ngx_http_upstream_process_header_line, | |
149 offsetof(ngx_http_upstream_headers_in_t, date), | |
649 | 150 ngx_http_upstream_copy_header_line, |
151 offsetof(ngx_http_headers_out_t, date), 0 }, | |
509 | 152 |
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153 { ngx_string("Last-Modified"), |
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154 ngx_http_upstream_process_header_line, |
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155 offsetof(ngx_http_upstream_headers_in_t, last_modified), |
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156 ngx_http_upstream_copy_last_modified, 0, 0 }, |
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157 |
509 | 158 { ngx_string("Server"), |
159 ngx_http_upstream_process_header_line, | |
160 offsetof(ngx_http_upstream_headers_in_t, server), | |
649 | 161 ngx_http_upstream_copy_header_line, |
162 offsetof(ngx_http_headers_out_t, server), 0 }, | |
509 | 163 |
529 | 164 { ngx_string("WWW-Authenticate"), |
165 ngx_http_upstream_process_header_line, | |
166 offsetof(ngx_http_upstream_headers_in_t, www_authenticate), | |
167 ngx_http_upstream_copy_header_line, 0, 0 }, | |
168 | |
509 | 169 { ngx_string("Location"), |
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170 ngx_http_upstream_process_header_line, |
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171 offsetof(ngx_http_upstream_headers_in_t, location), |
515 | 172 ngx_http_upstream_rewrite_location, 0, 0 }, |
509 | 173 |
174 { ngx_string("Refresh"), | |
175 ngx_http_upstream_ignore_header_line, 0, | |
515 | 176 ngx_http_upstream_rewrite_refresh, 0, 0 }, |
177 | |
178 { ngx_string("Set-Cookie"), | |
179 ngx_http_upstream_ignore_header_line, 0, | |
531 | 180 ngx_http_upstream_copy_header_line, 0, 1 }, |
181 | |
182 { ngx_string("Content-Disposition"), | |
183 ngx_http_upstream_ignore_header_line, 0, | |
184 ngx_http_upstream_copy_header_line, 0, 1 }, | |
509 | 185 |
186 { ngx_string("Cache-Control"), | |
187 ngx_http_upstream_process_multi_header_lines, | |
188 offsetof(ngx_http_upstream_headers_in_t, cache_control), | |
189 ngx_http_upstream_copy_multi_header_lines, | |
515 | 190 offsetof(ngx_http_headers_out_t, cache_control), 1 }, |
509 | 191 |
573 | 192 { ngx_string("Expires"), |
193 ngx_http_upstream_process_header_line, | |
194 offsetof(ngx_http_upstream_headers_in_t, expires), | |
195 ngx_http_upstream_copy_header_line, | |
196 offsetof(ngx_http_headers_out_t, expires), 1 }, | |
197 | |
577 | 198 { ngx_string("Accept-Ranges"), |
199 ngx_http_upstream_process_header_line, | |
200 offsetof(ngx_http_upstream_headers_in_t, accept_ranges), | |
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201 ngx_http_upstream_copy_allow_ranges, |
577 | 202 offsetof(ngx_http_headers_out_t, accept_ranges), 1 }, |
203 | |
509 | 204 { ngx_string("Connection"), |
205 ngx_http_upstream_ignore_header_line, 0, | |
515 | 206 ngx_http_upstream_ignore_header_line, 0, 0 }, |
509 | 207 |
641 | 208 { ngx_string("Keep-Alive"), |
209 ngx_http_upstream_ignore_header_line, 0, | |
210 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
211 | |
509 | 212 { ngx_string("X-Powered-By"), |
213 ngx_http_upstream_ignore_header_line, 0, | |
649 | 214 ngx_http_upstream_copy_header_line, 0, 0 }, |
509 | 215 |
216 { ngx_string("X-Accel-Expires"), | |
217 ngx_http_upstream_process_header_line, | |
218 offsetof(ngx_http_upstream_headers_in_t, x_accel_expires), | |
649 | 219 ngx_http_upstream_copy_header_line, 0, 0 }, |
515 | 220 |
221 { ngx_string("X-Accel-Redirect"), | |
222 ngx_http_upstream_process_header_line, | |
223 offsetof(ngx_http_upstream_headers_in_t, x_accel_redirect), | |
224 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
509 | 225 |
527 | 226 { ngx_string("X-Accel-Limit-Rate"), |
227 ngx_http_upstream_process_limit_rate, 0, | |
228 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
229 | |
649 | 230 { ngx_string("X-Accel-Buffering"), |
231 ngx_http_upstream_process_buffering, 0, | |
232 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
233 | |
657 | 234 { ngx_string("X-Accel-Charset"), |
235 ngx_http_upstream_process_charset, 0, | |
236 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
237 | |
509 | 238 #if (NGX_HTTP_GZIP) |
239 { ngx_string("Content-Encoding"), | |
240 ngx_http_upstream_process_header_line, | |
241 offsetof(ngx_http_upstream_headers_in_t, content_encoding), | |
515 | 242 ngx_http_upstream_copy_content_encoding, 0, 0 }, |
509 | 243 #endif |
244 | |
515 | 245 { ngx_null_string, NULL, 0, NULL, 0, 0 } |
509 | 246 }; |
479 | 247 |
248 | |
651 | 249 static ngx_command_t ngx_http_upstream_commands[] = { |
250 | |
251 { ngx_string("upstream"), | |
252 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1, | |
253 ngx_http_upstream, | |
254 0, | |
255 0, | |
256 NULL }, | |
257 | |
258 { ngx_string("server"), | |
884 | 259 NGX_HTTP_UPS_CONF|NGX_CONF_1MORE, |
651 | 260 ngx_http_upstream_server, |
261 NGX_HTTP_SRV_CONF_OFFSET, | |
262 0, | |
263 NULL }, | |
264 | |
265 ngx_null_command | |
266 }; | |
267 | |
268 | |
269 static ngx_http_module_t ngx_http_upstream_module_ctx = { | |
573 | 270 ngx_http_upstream_add_variables, /* preconfiguration */ |
509 | 271 NULL, /* postconfiguration */ |
272 | |
273 ngx_http_upstream_create_main_conf, /* create main configuration */ | |
651 | 274 ngx_http_upstream_init_main_conf, /* init main configuration */ |
479 | 275 |
276 NULL, /* create server configuration */ | |
277 NULL, /* merge server configuration */ | |
278 | |
279 NULL, /* create location configuration */ | |
280 NULL /* merge location configuration */ | |
281 }; | |
577 | 282 |
479 | 283 |
284 ngx_module_t ngx_http_upstream_module = { | |
509 | 285 NGX_MODULE_V1, |
479 | 286 &ngx_http_upstream_module_ctx, /* module context */ |
651 | 287 ngx_http_upstream_commands, /* module directives */ |
479 | 288 NGX_HTTP_MODULE, /* module type */ |
541 | 289 NULL, /* init master */ |
479 | 290 NULL, /* init module */ |
541 | 291 NULL, /* init process */ |
292 NULL, /* init thread */ | |
293 NULL, /* exit thread */ | |
294 NULL, /* exit process */ | |
295 NULL, /* exit master */ | |
296 NGX_MODULE_V1_PADDING | |
479 | 297 }; |
298 | |
299 | |
573 | 300 static ngx_http_variable_t ngx_http_upstream_vars[] = { |
301 | |
1181 | 302 { ngx_string("upstream_addr"), NULL, |
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303 ngx_http_upstream_addr_variable, 0, |
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304 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
1181 | 305 |
637 | 306 { ngx_string("upstream_status"), NULL, |
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307 ngx_http_upstream_status_variable, 0, |
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308 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
573 | 309 |
637 | 310 { ngx_string("upstream_response_time"), NULL, |
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311 ngx_http_upstream_response_time_variable, 0, |
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312 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
573 | 313 |
2402 | 314 { ngx_string("upstream_response_length"), NULL, |
315 ngx_http_upstream_response_length_variable, 0, | |
316 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
317 | |
637 | 318 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
573 | 319 }; |
320 | |
321 | |
2268
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322 static ngx_http_upstream_next_t ngx_http_upstream_next_errors[] = { |
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323 { 500, NGX_HTTP_UPSTREAM_FT_HTTP_500 }, |
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324 { 502, NGX_HTTP_UPSTREAM_FT_HTTP_502 }, |
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325 { 503, NGX_HTTP_UPSTREAM_FT_HTTP_503 }, |
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326 { 504, NGX_HTTP_UPSTREAM_FT_HTTP_504 }, |
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327 { 404, NGX_HTTP_UPSTREAM_FT_HTTP_404 }, |
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328 { 0, 0 } |
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329 }; |
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330 |
487 | 331 void |
332 ngx_http_upstream_init(ngx_http_request_t *r) | |
479 | 333 { |
1658 | 334 ngx_str_t *host; |
335 ngx_uint_t i; | |
336 ngx_connection_t *c; | |
337 ngx_resolver_ctx_t *ctx, temp; | |
338 ngx_http_cleanup_t *cln; | |
339 ngx_http_upstream_t *u; | |
340 ngx_http_core_loc_conf_t *clcf; | |
341 ngx_http_upstream_srv_conf_t *uscf, **uscfp; | |
342 ngx_http_upstream_main_conf_t *umcf; | |
479 | 343 |
344 c = r->connection; | |
345 | |
346 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
347 "http init upstream, client timer: %d", c->read->timer_set); | |
348 | |
349 if (c->read->timer_set) { | |
350 ngx_del_timer(c->read); | |
351 } | |
352 | |
629 | 353 u = r->upstream; |
354 | |
355 if (!r->post_action && !u->conf->ignore_client_abort) { | |
615 | 356 r->read_event_handler = ngx_http_upstream_rd_check_broken_connection; |
357 r->write_event_handler = ngx_http_upstream_wr_check_broken_connection; | |
358 } | |
577 | 359 |
479 | 360 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { |
361 | |
362 if (!c->write->active) { | |
531 | 363 if (ngx_add_event(c->write, NGX_WRITE_EVENT, NGX_CLEAR_EVENT) |
364 == NGX_ERROR) | |
479 | 365 { |
366 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
367 return; | |
368 } | |
369 } | |
370 } | |
371 | |
537 | 372 if (r->request_body) { |
373 u->request_bufs = r->request_body->bufs; | |
374 } | |
509 | 375 |
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376 #if (NGX_HTTP_CACHE) |
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377 |
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378 if (u->conf->cache) { |
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379 ngx_int_t rc; |
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380 |
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381 rc = ngx_http_upstream_cache(r, u); |
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382 |
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383 if (rc == NGX_DONE) { |
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384 return; |
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385 } |
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386 |
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387 if (rc != NGX_DECLINED) { |
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388 ngx_http_finalize_request(r, rc); |
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389 return; |
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390 } |
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391 } |
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392 |
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393 #endif |
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394 |
537 | 395 if (u->create_request(r) != NGX_OK) { |
479 | 396 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
397 return; | |
398 } | |
399 | |
509 | 400 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
479 | 401 |
402 u->output.pool = r->pool; | |
403 u->output.bufs.num = 1; | |
509 | 404 u->output.bufs.size = clcf->client_body_buffer_size; |
479 | 405 u->output.output_filter = ngx_chain_writer; |
406 u->output.filter_ctx = &u->writer; | |
407 | |
408 u->writer.pool = r->pool; | |
409 | |
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410 if (r->upstream_states == NULL) { |
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411 |
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412 r->upstream_states = ngx_array_create(r->pool, 1, |
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413 sizeof(ngx_http_upstream_state_t)); |
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414 if (r->upstream_states == NULL) { |
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415 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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416 return; |
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417 } |
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418 |
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419 } else { |
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420 |
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421 u->state = ngx_array_push(r->upstream_states); |
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422 if (u->state == NULL) { |
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423 ngx_http_upstream_finalize_request(r, u, |
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424 NGX_HTTP_INTERNAL_SERVER_ERROR); |
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425 return; |
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426 } |
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427 |
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428 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); |
479 | 429 } |
430 | |
593 | 431 cln = ngx_http_cleanup_add(r, 0); |
569 | 432 if (cln == NULL) { |
433 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
434 return; | |
435 } | |
436 | |
437 cln->handler = ngx_http_upstream_cleanup; | |
438 cln->data = r; | |
439 u->cleanup = &cln->handler; | |
440 | |
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441 u->store = (u->conf->store || u->conf->store_lengths); |
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442 |
1658 | 443 if (u->resolved == NULL) { |
444 | |
445 uscf = u->conf->upstream; | |
446 | |
447 } else { | |
448 | |
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449 if (u->resolved->sockaddr) { |
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450 |
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451 if (ngx_http_upstream_create_round_robin_peer(r, u->resolved) |
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452 != NGX_OK) |
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453 { |
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454 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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455 return; |
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456 } |
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457 |
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458 ngx_http_upstream_connect(r, u); |
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459 |
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460 return; |
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461 } |
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462 |
1705 | 463 host = &u->resolved->host; |
1658 | 464 |
465 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
466 | |
467 uscfp = umcf->upstreams.elts; | |
468 | |
469 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
470 | |
471 uscf = uscfp[i]; | |
472 | |
473 if (uscf->host.len == host->len | |
2285 | 474 && ((uscf->port == 0 && u->resolved->no_port) |
1912 | 475 || uscf->port == u->resolved->port) |
1658 | 476 && ngx_memcmp(uscf->host.data, host->data, host->len) == 0) |
477 { | |
478 goto found; | |
479 } | |
480 } | |
481 | |
482 temp.name = *host; | |
483 | |
484 ctx = ngx_resolve_start(clcf->resolver, &temp); | |
485 if (ctx == NULL) { | |
486 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
487 return; | |
488 } | |
489 | |
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490 if (ctx == NGX_NO_RESOLVER) { |
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491 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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492 "no resolver defined to resolve %V", host); |
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493 |
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494 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); |
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495 return; |
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496 } |
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497 |
1658 | 498 ctx->name = *host; |
499 ctx->type = NGX_RESOLVE_A; | |
500 ctx->handler = ngx_http_upstream_resolve_handler; | |
501 ctx->data = r; | |
502 ctx->timeout = clcf->resolver_timeout; | |
503 | |
1959
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504 u->resolved->ctx = ctx; |
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505 |
1658 | 506 if (ngx_resolve_name(ctx) != NGX_OK) { |
1959
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507 u->resolved->ctx = NULL; |
1658 | 508 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
509 return; | |
510 } | |
511 | |
512 return; | |
513 } | |
514 | |
515 found: | |
516 | |
517 if (uscf->peer.init(r, uscf) != NGX_OK) { | |
518 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
519 return; | |
520 } | |
521 | |
479 | 522 ngx_http_upstream_connect(r, u); |
523 } | |
524 | |
525 | |
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526 #if (NGX_HTTP_CACHE) |
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527 |
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528 static ngx_int_t |
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529 ngx_http_upstream_cache(ngx_http_request_t *r, ngx_http_upstream_t *u) |
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parents:
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|
530 { |
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
531 ngx_int_t rc; |
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parents:
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532 ngx_http_cache_t *c; |
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parents:
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|
533 |
2662 | 534 if (!(r->method & NGX_HTTP_GET)) { |
535 return NGX_DECLINED; | |
536 } | |
537 | |
2592
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|
538 c = ngx_pcalloc(r->pool, sizeof(ngx_http_cache_t)); |
3a8a53c0c42f
a prelimiary proxy cache support
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diff
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|
539 if (c == NULL) { |
3a8a53c0c42f
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parents:
2536
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|
540 return NGX_ERROR; |
3a8a53c0c42f
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parents:
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diff
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|
541 } |
3a8a53c0c42f
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parents:
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diff
changeset
|
542 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
543 if (ngx_array_init(&c->keys, r->pool, 4, sizeof(ngx_str_t)) != NGX_OK) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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|
544 return NGX_ERROR; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
545 } |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
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diff
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|
546 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
547 r->cache = c; |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
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diff
changeset
|
548 c->file.log = r->connection->log; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
549 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
550 if (u->create_key(r) != NGX_OK) { |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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551 return NGX_ERROR; |
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
552 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
553 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
554 /* TODO: add keys */ |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
555 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
556 ngx_http_file_cache_create_key(r); |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
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diff
changeset
|
557 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
558 u->cacheable = 1; |
3a8a53c0c42f
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parents:
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diff
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|
559 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
560 c->min_uses = r->upstream->conf->cache_min_uses; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
561 c->body_start = r->upstream->conf->buffer_size; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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|
562 c->file_cache = u->conf->cache->data; |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
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diff
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|
563 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
564 rc = ngx_http_file_cache_open(r); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
565 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
566 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
567 "http upstream cache: %i u:%ui", rc, c->uses); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
568 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
569 if (rc == NGX_OK) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
570 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
571 rc = ngx_http_upstream_cache_send(r, u); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
572 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
573 if (rc != NGX_HTTP_UPSTREAM_INVALID_HEADER) { |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
574 return rc; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
575 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
576 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
577 } else if (rc == NGX_ERROR) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
578 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
579 return NGX_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
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diff
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|
580 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
581 } else if (rc == NGX_HTTP_CACHE_STALE) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
582 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
583 u->stale_cache = 1; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
584 u->buffer.start = NULL; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
585 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
586 } else if (rc == NGX_DECLINED) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
587 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
588 if ((size_t) (u->buffer.end - u->buffer.start) < u->conf->buffer_size) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
589 u->buffer.start = NULL; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
590 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
591 } else { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
592 u->buffer.pos = u->buffer.start + c->header_start; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
593 u->buffer.last = u->buffer.pos; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
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|
594 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
595 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
596 } else if (rc == NGX_AGAIN) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
597 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
598 u->cacheable = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
599 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
600 } else { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
601 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
602 /* cached NGX_HTTP_BAD_GATEWAY, NGX_HTTP_GATEWAY_TIME_OUT, etc. */ |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
603 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
604 return rc; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
605 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
606 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
607 r->cached = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
608 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
609 return NGX_DECLINED; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
610 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
611 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
612 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
613 static ngx_int_t |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
614 ngx_http_upstream_cache_send(ngx_http_request_t *r, ngx_http_upstream_t *u) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
615 { |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
616 ngx_int_t rc; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
617 ngx_http_cache_t *c; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
618 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
619 c = r->cache; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
620 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
621 /* TODO: cache stack */ |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
622 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
623 u->buffer = *c->buf; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
624 u->buffer.pos += c->header_start; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
625 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
626 ngx_memzero(&u->headers_in, sizeof(ngx_http_upstream_headers_in_t)); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
627 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
628 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
629 sizeof(ngx_table_elt_t)) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
630 != NGX_OK) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
631 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
632 return NGX_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
633 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
634 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
635 rc = u->process_header(r); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
636 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
637 if (rc == NGX_OK) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
638 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
639 if (ngx_http_upstream_process_headers(r, u) != NGX_OK) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
640 return NGX_DONE; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
641 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
642 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
643 return ngx_http_cache_send(r); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
644 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
645 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
646 if (rc == NGX_ERROR) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
647 return NGX_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
648 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
649 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
650 /* rc == NGX_HTTP_UPSTREAM_INVALID_HEADER */ |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
651 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
652 /* TODO: delete file */ |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
653 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
654 return rc; |
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655 } |
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656 |
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657 #endif |
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658 |
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659 |
487 | 660 static void |
1658 | 661 ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx) |
662 { | |
663 ngx_http_request_t *r; | |
664 ngx_http_upstream_resolved_t *ur; | |
665 | |
666 r = ctx->data; | |
667 | |
668 r->upstream->resolved->ctx = NULL; | |
669 | |
670 if (ctx->state) { | |
671 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
672 "%V could not be resolved (%i: %s)", | |
673 &ctx->name, ctx->state, | |
674 ngx_resolver_strerror(ctx->state)); | |
675 | |
676 ngx_resolve_name_done(ctx); | |
677 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); | |
678 return; | |
679 } | |
680 | |
681 ur = r->upstream->resolved; | |
682 ur->naddrs = ctx->naddrs; | |
683 ur->addrs = ctx->addrs; | |
684 | |
685 #if (NGX_DEBUG) | |
686 { | |
687 in_addr_t addr; | |
688 ngx_uint_t i; | |
689 | |
690 for (i = 0; i < ctx->naddrs; i++) { | |
691 addr = ntohl(ur->addrs[i]); | |
692 | |
693 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
694 "name was resolved to %ud.%ud.%ud.%ud", | |
695 (addr >> 24) & 0xff, (addr >> 16) & 0xff, | |
696 (addr >> 8) & 0xff, addr & 0xff); | |
697 } | |
698 } | |
699 #endif | |
700 | |
701 if (ngx_http_upstream_create_round_robin_peer(r, ur) != NGX_OK) { | |
702 ngx_resolve_name_done(ctx); | |
703 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
704 return; | |
705 } | |
706 | |
707 ngx_resolve_name_done(ctx); | |
708 | |
709 ngx_http_upstream_connect(r, r->upstream); | |
710 } | |
711 | |
712 | |
713 static void | |
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714 ngx_http_upstream_handler(ngx_event_t *ev) |
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715 { |
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716 ngx_connection_t *c; |
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717 ngx_http_request_t *r; |
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718 ngx_http_log_ctx_t *ctx; |
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719 ngx_http_upstream_t *u; |
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720 |
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721 c = ev->data; |
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722 r = c->data; |
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723 |
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724 u = r->upstream; |
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725 c = r->connection; |
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726 |
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727 ctx = c->log->data; |
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728 ctx->current_request = r; |
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729 |
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730 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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731 "http upstream request: \"%V?%V\"", &r->uri, &r->args); |
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732 |
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733 if (ev->write) { |
2386
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734 u->write_event_handler(r, u); |
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735 |
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736 } else { |
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737 u->read_event_handler(r, u); |
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738 } |
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739 |
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740 ngx_http_run_posted_requests(c); |
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741 } |
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742 |
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743 |
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744 static void |
509 | 745 ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r) |
746 { | |
747 ngx_http_upstream_check_broken_connection(r, r->connection->read); | |
748 } | |
749 | |
750 | |
751 static void | |
752 ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r) | |
753 { | |
754 ngx_http_upstream_check_broken_connection(r, r->connection->write); | |
755 } | |
756 | |
757 | |
758 static void | |
759 ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
760 ngx_event_t *ev) | |
479 | 761 { |
762 int n; | |
763 char buf[1]; | |
577 | 764 ngx_err_t err; |
479 | 765 ngx_connection_t *c; |
766 ngx_http_upstream_t *u; | |
767 | |
527 | 768 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
769 "http upstream check client, write event:%d, \"%V\"", | |
770 ev->write, &r->uri); | |
479 | 771 |
509 | 772 c = r->connection; |
483 | 773 u = r->upstream; |
774 | |
583 | 775 if (c->error) { |
527 | 776 ngx_http_upstream_finalize_request(r, u, |
777 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
778 return; | |
779 } | |
780 | |
483 | 781 if (u->peer.connection == NULL) { |
782 return; | |
783 } | |
784 | |
479 | 785 #if (NGX_HAVE_KQUEUE) |
786 | |
787 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
788 | |
789 if (!ev->pending_eof) { | |
790 return; | |
791 } | |
792 | |
793 ev->eof = 1; | |
583 | 794 c->error = 1; |
479 | 795 |
796 if (ev->kq_errno) { | |
797 ev->error = 1; | |
798 } | |
799 | |
1565 | 800 if (!u->cacheable && !u->store && u->peer.connection) { |
479 | 801 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, |
527 | 802 "kevent() reported that client closed prematurely " |
803 "connection, so upstream connection is closed too"); | |
479 | 804 ngx_http_upstream_finalize_request(r, u, |
805 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
806 return; | |
807 } | |
808 | |
809 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, | |
810 "kevent() reported that client closed " | |
811 "prematurely connection"); | |
812 | |
813 if (u->peer.connection == NULL) { | |
814 ngx_http_upstream_finalize_request(r, u, | |
815 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
816 return; | |
817 } | |
818 | |
819 return; | |
820 } | |
821 | |
822 #endif | |
823 | |
824 n = recv(c->fd, buf, 1, MSG_PEEK); | |
825 | |
826 err = ngx_socket_errno; | |
827 | |
1109 | 828 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, err, |
829 "http upstream recv(): %d", n); | |
830 | |
479 | 831 /* |
832 * we do not need to disable the write event because | |
833 * that event has NGX_USE_CLEAR_EVENT type | |
834 */ | |
835 | |
836 if (ev->write && (n >= 0 || err == NGX_EAGAIN)) { | |
837 return; | |
838 } | |
839 | |
840 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { | |
841 if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { | |
842 ngx_http_upstream_finalize_request(r, u, | |
843 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
844 return; | |
845 } | |
846 } | |
847 | |
848 if (n > 0) { | |
849 return; | |
850 } | |
851 | |
852 if (n == -1) { | |
853 if (err == NGX_EAGAIN) { | |
854 return; | |
855 } | |
856 | |
857 ev->error = 1; | |
858 | |
483 | 859 } else { /* n == 0 */ |
479 | 860 err = 0; |
861 } | |
862 | |
529 | 863 ev->eof = 1; |
583 | 864 c->error = 1; |
529 | 865 |
1565 | 866 if (!u->cacheable && !u->store && u->peer.connection) { |
479 | 867 ngx_log_error(NGX_LOG_INFO, ev->log, err, |
868 "client closed prematurely connection, " | |
869 "so upstream connection is closed too"); | |
870 ngx_http_upstream_finalize_request(r, u, | |
871 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
872 return; | |
873 } | |
874 | |
875 ngx_log_error(NGX_LOG_INFO, ev->log, err, | |
876 "client closed prematurely connection"); | |
877 | |
878 if (u->peer.connection == NULL) { | |
879 ngx_http_upstream_finalize_request(r, u, | |
880 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
881 return; | |
882 } | |
883 } | |
884 | |
885 | |
487 | 886 static void |
887 ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
479 | 888 { |
591 | 889 ngx_int_t rc; |
665 | 890 ngx_time_t *tp; |
591 | 891 ngx_connection_t *c; |
479 | 892 |
483 | 893 r->connection->log->action = "connecting to upstream"; |
479 | 894 |
895 r->connection->single_connection = 0; | |
896 | |
889
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897 if (u->state && u->state->response_sec) { |
665 | 898 tp = ngx_timeofday(); |
889
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899 u->state->response_sec = tp->sec - u->state->response_sec; |
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900 u->state->response_msec = tp->msec - u->state->response_msec; |
665 | 901 } |
902 | |
1168
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903 u->state = ngx_array_push(r->upstream_states); |
665 | 904 if (u->state == NULL) { |
905 ngx_http_upstream_finalize_request(r, u, | |
906 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
907 return; | |
908 } | |
909 | |
910 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); | |
911 | |
912 tp = ngx_timeofday(); | |
889
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913 u->state->response_sec = tp->sec; |
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914 u->state->response_msec = tp->msec; |
665 | 915 |
479 | 916 rc = ngx_event_connect_peer(&u->peer); |
917 | |
918 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
919 "http upstream connect: %i", rc); | |
920 | |
921 if (rc == NGX_ERROR) { | |
922 ngx_http_upstream_finalize_request(r, u, | |
923 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
924 return; | |
925 } | |
926 | |
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927 u->state->peer = u->peer.name; |
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928 |
543 | 929 if (rc == NGX_BUSY) { |
930 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no live upstreams"); | |
1378 | 931 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_NOLIVE); |
932 return; | |
543 | 933 } |
934 | |
1378 | 935 if (rc == NGX_DECLINED) { |
479 | 936 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
937 return; | |
938 } | |
939 | |
577 | 940 /* rc == NGX_OK || rc == NGX_AGAIN */ |
941 | |
479 | 942 c = u->peer.connection; |
943 | |
944 c->data = r; | |
591 | 945 |
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946 c->write->handler = ngx_http_upstream_handler; |
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947 c->read->handler = ngx_http_upstream_handler; |
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948 |
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949 u->write_event_handler = ngx_http_upstream_send_request_handler; |
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950 u->read_event_handler = ngx_http_upstream_process_header; |
479 | 951 |
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952 c->sendfile &= r->connection->sendfile; |
1958 | 953 u->output.sendfile = c->sendfile; |
479 | 954 |
955 c->pool = r->pool; | |
956 c->read->log = c->write->log = c->log = r->connection->log; | |
957 | |
958 /* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */ | |
959 | |
960 u->writer.out = NULL; | |
961 u->writer.last = &u->writer.out; | |
962 u->writer.connection = c; | |
963 u->writer.limit = 0; | |
964 | |
965 if (u->request_sent) { | |
509 | 966 if (ngx_http_upstream_reinit(r, u) != NGX_OK) { |
967 ngx_http_upstream_finalize_request(r, u, | |
968 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
969 return; | |
970 } | |
479 | 971 } |
972 | |
1064
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973 if (r->request_body |
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974 && r->request_body->buf |
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975 && r->request_body->temp_file |
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976 && r == r->main) |
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977 { |
573 | 978 /* |
979 * the r->request_body->buf can be reused for one request only, | |
980 * the subrequests should allocate their own temporay bufs | |
981 */ | |
982 | |
983 u->output.free = ngx_alloc_chain_link(r->pool); | |
984 if (u->output.free == NULL) { | |
985 ngx_http_upstream_finalize_request(r, u, | |
986 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
987 return; | |
479 | 988 } |
573 | 989 |
990 u->output.free->buf = r->request_body->buf; | |
991 u->output.free->next = NULL; | |
992 u->output.allocated = 1; | |
993 | |
994 r->request_body->buf->pos = r->request_body->buf->start; | |
995 r->request_body->buf->last = r->request_body->buf->start; | |
996 r->request_body->buf->tag = u->output.tag; | |
479 | 997 } |
998 | |
999 u->request_sent = 0; | |
1000 | |
1001 if (rc == NGX_AGAIN) { | |
1002 ngx_add_timer(c->write, u->conf->connect_timeout); | |
1003 return; | |
1004 } | |
1005 | |
577 | 1006 #if (NGX_HTTP_SSL) |
1007 | |
1658 | 1008 if (u->ssl && c->ssl == NULL) { |
591 | 1009 ngx_http_upstream_ssl_init_connection(r, u, c); |
577 | 1010 return; |
1011 } | |
1012 | |
1013 #endif | |
1014 | |
479 | 1015 ngx_http_upstream_send_request(r, u); |
1016 } | |
1017 | |
1018 | |
577 | 1019 #if (NGX_HTTP_SSL) |
1020 | |
1021 static void | |
591 | 1022 ngx_http_upstream_ssl_init_connection(ngx_http_request_t *r, |
1023 ngx_http_upstream_t *u, ngx_connection_t *c) | |
1024 { | |
884 | 1025 ngx_int_t rc; |
591 | 1026 |
1027 if (ngx_ssl_create_connection(u->conf->ssl, c, | |
1028 NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
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1029 != NGX_OK) |
591 | 1030 { |
1031 ngx_http_upstream_finalize_request(r, u, | |
1032 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1033 return; | |
1034 } | |
1035 | |
1036 c->sendfile = 0; | |
619 | 1037 u->output.sendfile = 0; |
591 | 1038 |
2184 | 1039 if (u->conf->ssl_session_reuse) { |
1040 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
1041 ngx_http_upstream_finalize_request(r, u, | |
1042 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1043 return; | |
1044 } | |
591 | 1045 } |
1046 | |
641 | 1047 r->connection->log->action = "SSL handshaking to upstream"; |
1048 | |
591 | 1049 rc = ngx_ssl_handshake(c); |
1050 | |
1051 if (rc == NGX_AGAIN) { | |
1052 c->ssl->handler = ngx_http_upstream_ssl_handshake; | |
1053 return; | |
1054 } | |
1055 | |
1056 ngx_http_upstream_ssl_handshake(c); | |
1057 } | |
1058 | |
1059 | |
1060 static void | |
577 | 1061 ngx_http_upstream_ssl_handshake(ngx_connection_t *c) |
1062 { | |
1063 ngx_http_request_t *r; | |
1064 ngx_http_upstream_t *u; | |
1065 | |
1066 r = c->data; | |
1067 u = r->upstream; | |
1068 | |
1069 if (c->ssl->handshaked) { | |
1070 | |
2184 | 1071 if (u->conf->ssl_session_reuse) { |
1072 u->peer.save_session(&u->peer, u->peer.data); | |
1073 } | |
884 | 1074 |
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1075 c->write->handler = ngx_http_upstream_handler; |
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1076 c->read->handler = ngx_http_upstream_handler; |
577 | 1077 |
1078 ngx_http_upstream_send_request(r, u); | |
1079 | |
1080 return; | |
1081 } | |
1082 | |
1083 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
1084 | |
1085 } | |
1086 | |
1087 #endif | |
1088 | |
1089 | |
509 | 1090 static ngx_int_t |
487 | 1091 ngx_http_upstream_reinit(ngx_http_request_t *r, ngx_http_upstream_t *u) |
479 | 1092 { |
1093 ngx_chain_t *cl; | |
1094 | |
509 | 1095 if (u->reinit_request(r) != NGX_OK) { |
1096 return NGX_ERROR; | |
1097 } | |
1098 | |
1705 | 1099 ngx_memzero(&u->headers_in, sizeof(ngx_http_upstream_headers_in_t)); |
1100 | |
1101 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, | |
591 | 1102 sizeof(ngx_table_elt_t)) |
1103 != NGX_OK) | |
509 | 1104 { |
1105 return NGX_ERROR; | |
479 | 1106 } |
1107 | |
1108 /* reinit the request chain */ | |
577 | 1109 |
509 | 1110 for (cl = u->request_bufs; cl; cl = cl->next) { |
479 | 1111 cl->buf->pos = cl->buf->start; |
1112 cl->buf->file_pos = 0; | |
1113 } | |
1114 | |
509 | 1115 /* reinit the subrequest's ngx_output_chain() context */ |
1116 | |
573 | 1117 if (r->request_body && r->request_body->temp_file |
597 | 1118 && r != r->main && u->output.buf) |
573 | 1119 { |
1120 u->output.free = ngx_alloc_chain_link(r->pool); | |
1121 if (u->output.free == NULL) { | |
1122 return NGX_ERROR; | |
509 | 1123 } |
573 | 1124 |
1125 u->output.free->buf = u->output.buf; | |
1126 u->output.free->next = NULL; | |
1127 | |
1128 u->output.buf->pos = u->output.buf->start; | |
1129 u->output.buf->last = u->output.buf->start; | |
509 | 1130 } |
479 | 1131 |
1132 u->output.buf = NULL; | |
1133 u->output.in = NULL; | |
1134 u->output.busy = NULL; | |
577 | 1135 |
581 | 1136 /* reinit u->buffer */ |
577 | 1137 |
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1138 u->buffer.pos = u->buffer.start; |
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1139 |
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1140 #if (NGX_HTTP_CACHE) |
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1141 |
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1142 if (r->cache) { |
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1143 u->buffer.pos += r->cache->header_start; |
479 | 1144 } |
509 | 1145 |
479 | 1146 #endif |
1147 | |
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1148 u->buffer.last = u->buffer.pos; |
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1149 |
509 | 1150 return NGX_OK; |
479 | 1151 } |
1152 | |
1153 | |
487 | 1154 static void |
1155 ngx_http_upstream_send_request(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
479 | 1156 { |
1153
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1157 ngx_int_t rc; |
483 | 1158 ngx_connection_t *c; |
577 | 1159 |
479 | 1160 c = u->peer.connection; |
1161 | |
1162 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1163 "http upstream send request"); | |
1164 | |
1153
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1165 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
1166 | 1166 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
1153
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1167 return; |
479 | 1168 } |
1169 | |
483 | 1170 c->log->action = "sending request to upstream"; |
479 | 1171 |
509 | 1172 rc = ngx_output_chain(&u->output, u->request_sent ? NULL : u->request_bufs); |
479 | 1173 |
1174 u->request_sent = 1; | |
1175 | |
1176 if (rc == NGX_ERROR) { | |
1177 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
1178 return; | |
1179 } | |
1180 | |
1181 if (c->write->timer_set) { | |
1182 ngx_del_timer(c->write); | |
1183 } | |
1184 | |
1185 if (rc == NGX_AGAIN) { | |
1186 ngx_add_timer(c->write, u->conf->send_timeout); | |
1187 | |
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1188 if (ngx_handle_write_event(c->write, u->conf->send_lowat) != NGX_OK) { |
479 | 1189 ngx_http_upstream_finalize_request(r, u, |
1190 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1191 return; | |
1192 } | |
1193 | |
1194 return; | |
1195 } | |
1196 | |
1197 /* rc == NGX_OK */ | |
1198 | |
1199 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) { | |
1200 if (ngx_tcp_push(c->fd) == NGX_ERROR) { | |
1201 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, | |
1202 ngx_tcp_push_n " failed"); | |
1203 ngx_http_upstream_finalize_request(r, u, | |
1204 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
577 | 1205 return; |
479 | 1206 } |
1207 | |
1208 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET; | |
1209 } | |
577 | 1210 |
479 | 1211 ngx_add_timer(c->read, u->conf->read_timeout); |
1212 | |
1213 #if 1 | |
1214 if (c->read->ready) { | |
577 | 1215 |
479 | 1216 /* post aio operation */ |
1217 | |
1218 /* | |
1219 * TODO comment | |
1220 * although we can post aio operation just in the end | |
1221 * of ngx_http_upstream_connect() CHECK IT !!! | |
1222 * it's better to do here because we postpone header buffer allocation | |
1223 */ | |
1224 | |
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1225 ngx_http_upstream_process_header(r, u); |
479 | 1226 return; |
1227 } | |
1228 #endif | |
1229 | |
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1230 u->write_event_handler = ngx_http_upstream_dummy_handler; |
479 | 1231 |
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1232 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
479 | 1233 ngx_http_upstream_finalize_request(r, u, |
1234 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1235 return; | |
1236 } | |
1237 } | |
1238 | |
1239 | |
487 | 1240 static void |
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1241 ngx_http_upstream_send_request_handler(ngx_http_request_t *r, |
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1242 ngx_http_upstream_t *u) |
479 | 1243 { |
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1244 ngx_connection_t *c; |
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1245 |
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1246 c = u->peer.connection; |
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1247 |
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1248 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
479 | 1249 "http upstream send request handler"); |
1250 | |
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1251 if (c->write->timedout) { |
479 | 1252 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); |
1253 return; | |
1254 } | |
1255 | |
591 | 1256 #if (NGX_HTTP_SSL) |
1257 | |
1658 | 1258 if (u->ssl && c->ssl == NULL) { |
591 | 1259 ngx_http_upstream_ssl_init_connection(r, u, c); |
1260 return; | |
1261 } | |
1262 | |
1263 #endif | |
1264 | |
651 | 1265 if (u->header_sent) { |
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1266 u->write_event_handler = ngx_http_upstream_dummy_handler; |
651 | 1267 |
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1268 (void) ngx_handle_write_event(c->write, 0); |
651 | 1269 |
1270 return; | |
1271 } | |
1272 | |
479 | 1273 ngx_http_upstream_send_request(r, u); |
1274 } | |
1275 | |
1276 | |
487 | 1277 static void |
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1278 ngx_http_upstream_process_header(ngx_http_request_t *r, ngx_http_upstream_t *u) |
479 | 1279 { |
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1280 ssize_t n; |
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1281 ngx_int_t rc; |
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1282 ngx_connection_t *c; |
479 | 1283 |
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1284 c = u->peer.connection; |
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1285 |
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1286 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
483 | 1287 "http upstream process header"); |
479 | 1288 |
483 | 1289 c->log->action = "reading response header from upstream"; |
479 | 1290 |
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1291 if (c->read->timedout) { |
479 | 1292 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); |
1293 return; | |
1294 } | |
577 | 1295 |
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1296 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
1166 | 1297 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
1153
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1298 return; |
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1299 } |
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1300 |
581 | 1301 if (u->buffer.start == NULL) { |
1302 u->buffer.start = ngx_palloc(r->pool, u->conf->buffer_size); | |
1303 if (u->buffer.start == NULL) { | |
479 | 1304 ngx_http_upstream_finalize_request(r, u, |
1305 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1306 return; | |
1307 } | |
1308 | |
581 | 1309 u->buffer.pos = u->buffer.start; |
1310 u->buffer.last = u->buffer.start; | |
1311 u->buffer.end = u->buffer.start + u->conf->buffer_size; | |
1312 u->buffer.temporary = 1; | |
1313 | |
1314 u->buffer.tag = u->output.tag; | |
479 | 1315 |
1705 | 1316 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, |
581 | 1317 sizeof(ngx_table_elt_t)) |
1318 != NGX_OK) | |
509 | 1319 { |
1320 ngx_http_upstream_finalize_request(r, u, | |
1321 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1322 return; | |
1323 } | |
1324 | |
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1325 #if (NGX_HTTP_CACHE) |
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1326 |
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1327 if (r->cache) { |
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1328 u->buffer.pos += r->cache->header_start; |
581 | 1329 u->buffer.last = u->buffer.pos; |
479 | 1330 } |
1331 #endif | |
1332 } | |
1333 | |
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1334 for ( ;; ) { |
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1335 |
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1336 n = c->recv(c, u->buffer.last, u->buffer.end - u->buffer.last); |
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1337 |
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1338 if (n == NGX_AGAIN) { |
479 | 1339 #if 0 |
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1340 ngx_add_timer(rev, u->read_timeout); |
479 | 1341 #endif |
1342 | |
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1343 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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1344 ngx_http_upstream_finalize_request(r, u, |
479 | 1345 NGX_HTTP_INTERNAL_SERVER_ERROR); |
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1346 return; |
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1347 } |
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1348 |
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1349 return; |
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1350 } |
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1351 |
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1352 if (n == 0) { |
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1353 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
2360
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1354 "upstream prematurely closed connection"); |
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1355 } |
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1356 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1357 if (n == NGX_ERROR || n == 0) { |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1358 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
479 | 1359 return; |
1360 } | |
1361 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1362 u->buffer.last += n; |
479 | 1363 |
1364 #if 0 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1365 u->valid_header_in = 0; |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1366 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1367 u->peer.cached = 0; |
479 | 1368 #endif |
1369 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1370 rc = u->process_header(r); |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1371 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1372 if (rc == NGX_AGAIN) { |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1373 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1374 if (u->buffer.pos == u->buffer.end) { |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1375 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1376 "upstream sent too big header"); |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1377 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1378 ngx_http_upstream_next(r, u, |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1379 NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1380 return; |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1381 } |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1382 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1383 continue; |
479 | 1384 } |
1385 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1386 break; |
479 | 1387 } |
1388 | |
1389 if (rc == NGX_HTTP_UPSTREAM_INVALID_HEADER) { | |
1390 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
1391 return; | |
1392 } | |
1393 | |
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
|
1394 if (rc == NGX_ERROR) { |
479 | 1395 ngx_http_upstream_finalize_request(r, u, |
1396 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1397 return; | |
1398 } | |
1399 | |
1400 /* rc == NGX_OK */ | |
1401 | |
2268
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1402 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
|
1403 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1404 if (r->subrequest_in_memory) { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1405 u->buffer.last = u->buffer.pos; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1406 } |
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 if (ngx_http_upstream_test_next(r, u) == NGX_OK) { |
509 | 1409 return; |
1410 } | |
1411 | |
2267
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1412 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
|
1413 return; |
487 | 1414 } |
1415 } | |
1416 | |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1417 if (ngx_http_upstream_process_headers(r, u) != NGX_OK) { |
515 | 1418 return; |
1419 } | |
1420 | |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1421 if (!r->subrequest_in_memory) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1422 ngx_http_upstream_send_response(r, u); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1423 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1424 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1425 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1426 /* subrequest content in memory */ |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1427 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1428 if (u->input_filter == NULL) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1429 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1430 u->input_filter = ngx_http_upstream_non_buffered_filter; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1431 u->input_filter_ctx = r; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1432 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1433 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1434 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1435 ngx_http_upstream_finalize_request(r, u, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1436 NGX_HTTP_INTERNAL_SERVER_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1437 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1438 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1439 |
2308
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1440 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
|
1441 |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1442 if (n) { |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1443 u->buffer.last -= n; |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1444 |
2402 | 1445 u->state->response_length += n; |
1446 | |
2308
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1447 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
|
1448 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1449 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1450 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1451 |
2308
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1452 if (u->length == 0) { |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1453 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
|
1454 return; |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1455 } |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1456 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1457 |
2377
87b8c44906b5
*) refactor subrequest handling, now they run as separate posted requests
Igor Sysoev <igor@sysoev.ru>
parents:
2360
diff
changeset
|
1458 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
|
1459 |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1460 ngx_http_upstream_process_body_in_memory(r, u); |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1461 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1462 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1463 |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1464 static ngx_int_t |
2268
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1465 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
|
1466 { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1467 ngx_uint_t status; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1468 ngx_http_upstream_next_t *un; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1469 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1470 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
|
1471 return NGX_DECLINED; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1472 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1473 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1474 status = u->headers_in.status_n; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1475 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1476 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
|
1477 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1478 if (status != un->status) { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1479 continue; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1480 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1481 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1482 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
|
1483 ngx_http_upstream_next(r, u, un->mask); |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1484 return NGX_OK; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1485 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1486 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1487 #if (NGX_HTTP_CACHE) |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1488 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1489 if (u->peer.tries == 0 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1490 && u->stale_cache |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1491 && (u->conf->cache_use_stale & un->mask)) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1492 { |
2268
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1493 ngx_http_upstream_finalize_request(r, u, |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1494 ngx_http_upstream_cache_send(r, u)); |
2268
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1495 return NGX_OK; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1496 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1497 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1498 #endif |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1499 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1500 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1501 return NGX_DECLINED; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1502 } |
33556140681a
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|
1503 |
33556140681a
*) ngx_http_upstream_test_next()
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|
1504 |
33556140681a
*) ngx_http_upstream_test_next()
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2267
diff
changeset
|
1505 static ngx_int_t |
2267
920be89a3d2d
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parents:
2244
diff
changeset
|
1506 ngx_http_upstream_intercept_errors(ngx_http_request_t *r, |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
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|
1507 ngx_http_upstream_t *u) |
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1508 { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
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parents:
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changeset
|
1509 ngx_int_t status; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
1510 ngx_uint_t i; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1511 ngx_table_elt_t *h; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
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diff
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|
1512 ngx_http_err_page_t *err_page; |
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parents:
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diff
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|
1513 ngx_http_core_loc_conf_t *clcf; |
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ngx_http_upstream_intercept_errors()
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changeset
|
1514 |
2441
0c117a89f399
in miss case memcached module returned END instead of default 404 page body
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
1515 status = u->headers_in.status_n; |
0c117a89f399
in miss case memcached module returned END instead of default 404 page body
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parents:
2422
diff
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|
1516 |
0c117a89f399
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Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
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|
1517 if (status == NGX_HTTP_NOT_FOUND && u->conf->intercept_404) { |
0c117a89f399
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Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
1518 ngx_http_upstream_finalize_request(r, u, NGX_HTTP_NOT_FOUND); |
0c117a89f399
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Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
1519 return NGX_OK; |
0c117a89f399
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Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
1520 } |
0c117a89f399
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Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
1521 |
2267
920be89a3d2d
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1522 if (!u->conf->intercept_errors) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1523 return NGX_DECLINED; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
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|
1524 } |
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ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
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|
1525 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1526 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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|
1527 |
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ngx_http_upstream_intercept_errors()
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|
1528 if (clcf->error_pages == NULL) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
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|
1529 return NGX_DECLINED; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1530 } |
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ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
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|
1531 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
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parents:
2244
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|
1532 err_page = clcf->error_pages->elts; |
920be89a3d2d
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Igor Sysoev <igor@sysoev.ru>
parents:
2244
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|
1533 for (i = 0; i < clcf->error_pages->nelts; i++) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
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|
1534 |
920be89a3d2d
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Igor Sysoev <igor@sysoev.ru>
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2244
diff
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|
1535 if (err_page[i].status == status) { |
920be89a3d2d
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|
1536 |
920be89a3d2d
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
1537 if (status == NGX_HTTP_UNAUTHORIZED) { |
920be89a3d2d
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Igor Sysoev <igor@sysoev.ru>
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|
1538 |
920be89a3d2d
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
1539 h = ngx_list_push(&r->headers_out.headers); |
920be89a3d2d
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
1540 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
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|
1541 if (h == NULL) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1542 ngx_http_upstream_finalize_request(r, u, |
920be89a3d2d
ngx_http_upstream_intercept_errors()
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parents:
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|
1543 NGX_HTTP_INTERNAL_SERVER_ERROR); |
920be89a3d2d
ngx_http_upstream_intercept_errors()
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parents:
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|
1544 return NGX_OK; |
920be89a3d2d
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parents:
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changeset
|
1545 } |
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ngx_http_upstream_intercept_errors()
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|
1546 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
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changeset
|
1547 *h = *u->headers_in.www_authenticate; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1548 |
920be89a3d2d
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2244
diff
changeset
|
1549 r->headers_out.www_authenticate = h; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
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changeset
|
1550 } |
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ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1551 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
1552 ngx_http_upstream_finalize_request(r, u, status); |
920be89a3d2d
ngx_http_upstream_intercept_errors()
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|
1553 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
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parents:
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changeset
|
1554 return NGX_OK; |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1555 } |
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ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
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|
1556 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1557 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
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parents:
2244
diff
changeset
|
1558 return NGX_DECLINED; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1559 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1560 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1561 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
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2244
diff
changeset
|
1562 static ngx_int_t |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
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|
1563 ngx_http_upstream_test_connect(ngx_connection_t *c) |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1564 { |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1565 int err; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1566 socklen_t len; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1567 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
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1143
diff
changeset
|
1568 #if (NGX_HAVE_KQUEUE) |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1569 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1570 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
1166 | 1571 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
|
1572 c->log->action = "connecting to upstream"; |
1166 | 1573 (void) ngx_connection_error(c, c->write->kq_errno, |
1574 "kevent() reported that connect() failed"); | |
1575 return NGX_ERROR; | |
1576 } | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1577 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1578 } else |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1579 #endif |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1580 { |
1166 | 1581 err = 0; |
1582 len = sizeof(int); | |
1583 | |
1584 /* | |
1585 * BSDs and Linux return 0 and set a pending error in err | |
1586 * Solaris returns -1 and sets errno | |
1587 */ | |
1588 | |
1589 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
1590 == -1) | |
1591 { | |
1592 err = ngx_errno; | |
1593 } | |
1594 | |
1595 if (err) { | |
1469
0a269c464eaf
connection error should be logged with "connecting to upstream" action,
Igor Sysoev <igor@sysoev.ru>
parents:
1468
diff
changeset
|
1596 c->log->action = "connecting to upstream"; |
1166 | 1597 (void) ngx_connection_error(c, err, "connect() failed"); |
1598 return NGX_ERROR; | |
1599 } | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1600 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1601 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1602 return NGX_OK; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1603 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1604 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
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1143
diff
changeset
|
1605 |
2592
3a8a53c0c42f
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parents:
2536
diff
changeset
|
1606 static ngx_int_t |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
2536
diff
changeset
|
1607 ngx_http_upstream_process_headers(ngx_http_request_t *r, ngx_http_upstream_t *u) |
3a8a53c0c42f
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2536
diff
changeset
|
1608 { |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1609 ngx_str_t *uri, args; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1610 ngx_uint_t i, flags; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1611 ngx_list_part_t *part; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1612 ngx_table_elt_t *h; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1613 ngx_http_upstream_header_t *hh; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1614 ngx_http_upstream_main_conf_t *umcf; |
3a8a53c0c42f
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parents:
2536
diff
changeset
|
1615 |
3a8a53c0c42f
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2536
diff
changeset
|
1616 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); |
3a8a53c0c42f
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parents:
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diff
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|
1617 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1618 if (u->headers_in.x_accel_redirect) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1619 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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2536
diff
changeset
|
1620 ngx_http_upstream_finalize_request(r, u, NGX_DECLINED); |
3a8a53c0c42f
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diff
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|
1621 |
3a8a53c0c42f
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parents:
2536
diff
changeset
|
1622 part = &u->headers_in.headers.part; |
3a8a53c0c42f
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parents:
2536
diff
changeset
|
1623 h = part->elts; |
3a8a53c0c42f
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diff
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|
1624 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1625 for (i = 0; /* void */; i++) { |
3a8a53c0c42f
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diff
changeset
|
1626 |
3a8a53c0c42f
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diff
changeset
|
1627 if (i >= part->nelts) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1628 if (part->next == NULL) { |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1629 break; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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2536
diff
changeset
|
1630 } |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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2536
diff
changeset
|
1631 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1632 part = part->next; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1633 h = part->elts; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1634 i = 0; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1635 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1636 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1637 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1638 h[i].lowcase_key, h[i].key.len); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1639 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1640 if (hh && hh->redirect) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1641 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1642 ngx_http_finalize_request(r, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1643 NGX_HTTP_INTERNAL_SERVER_ERROR); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1644 return NGX_DONE; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1645 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1646 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1647 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1648 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1649 uri = &u->headers_in.x_accel_redirect->value; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1650 args.len = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1651 args.data = NULL; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1652 flags = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1653 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1654 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1655 ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1656 return NGX_DONE; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1657 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1658 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1659 if (flags & NGX_HTTP_ZERO_IN_URI) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1660 r->zero_in_uri = 1; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1661 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1662 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1663 if (r->method != NGX_HTTP_HEAD) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1664 r->method = NGX_HTTP_GET; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1665 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1666 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1667 r->valid_unparsed_uri = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1668 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1669 ngx_http_internal_redirect(r, uri, &args); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1670 return NGX_DONE; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1671 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1672 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1673 part = &u->headers_in.headers.part; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1674 h = part->elts; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1675 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1676 for (i = 0; /* void */; i++) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1677 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1678 if (i >= part->nelts) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1679 if (part->next == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1680 break; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1681 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1682 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1683 part = part->next; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1684 h = part->elts; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1685 i = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1686 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1687 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1688 if (ngx_hash_find(&u->conf->hide_headers_hash, h[i].hash, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1689 h[i].lowcase_key, h[i].key.len)) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1690 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1691 continue; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1692 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1693 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1694 hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1695 h[i].lowcase_key, h[i].key.len); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1696 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1697 if (hh) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1698 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1699 ngx_http_upstream_finalize_request(r, u, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1700 NGX_HTTP_INTERNAL_SERVER_ERROR); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1701 return NGX_DONE; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1702 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1703 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1704 continue; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1705 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1706 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1707 if (ngx_http_upstream_copy_header_line(r, &h[i], 0) != NGX_OK) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1708 ngx_http_upstream_finalize_request(r, u, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1709 NGX_HTTP_INTERNAL_SERVER_ERROR); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1710 return NGX_DONE; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1711 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1712 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1713 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1714 if (r->headers_out.server && r->headers_out.server->value.data == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1715 r->headers_out.server->hash = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1716 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1717 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1718 if (r->headers_out.date && r->headers_out.date->value.data == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1719 r->headers_out.date->hash = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1720 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1721 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1722 r->headers_out.status = u->headers_in.status_n; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1723 r->headers_out.status_line = u->headers_in.status_line; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1724 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1725 u->headers_in.content_length_n = r->headers_out.content_length_n; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1726 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1727 if (r->headers_out.content_length_n != -1) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1728 u->length = (size_t) r->headers_out.content_length_n; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1729 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1730 } else { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1731 u->length = NGX_MAX_SIZE_T_VALUE; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1732 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1733 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1734 return NGX_OK; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1735 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1736 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1737 |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1738 static void |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1739 ngx_http_upstream_process_body_in_memory(ngx_http_request_t *r, |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1740 ngx_http_upstream_t *u) |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1741 { |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1742 size_t size; |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1743 ssize_t n; |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1744 ngx_buf_t *b; |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1745 ngx_event_t *rev; |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1746 ngx_connection_t *c; |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1747 |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1748 c = u->peer.connection; |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1749 rev = c->read; |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1750 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1751 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1752 "http upstream process body on memory"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1753 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1754 if (rev->timedout) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1755 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1756 ngx_http_upstream_finalize_request(r, u, NGX_ETIMEDOUT); |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1757 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1758 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1759 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1760 b = &u->buffer; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1761 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1762 for ( ;; ) { |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1763 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1764 size = b->end - b->last; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
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757
diff
changeset
|
1765 |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1766 if (size == 0) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1767 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1768 "upstream buffer is too small to read repsonse"); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1769 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
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parents:
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diff
changeset
|
1770 return; |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1771 } |
4ab852b691f5
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diff
changeset
|
1772 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1773 n = c->recv(c, b->last, size); |
4ab852b691f5
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diff
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|
1774 |
4ab852b691f5
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diff
changeset
|
1775 if (n == NGX_AGAIN) { |
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
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diff
changeset
|
1776 break; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1777 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1778 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1779 if (n == 0 || n == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
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diff
changeset
|
1780 ngx_http_upstream_finalize_request(r, u, n); |
4ab852b691f5
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diff
changeset
|
1781 return; |
4ab852b691f5
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parents:
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diff
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|
1782 } |
4ab852b691f5
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diff
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|
1783 |
2402 | 1784 u->state->response_length += n; |
1785 | |
777
4ab852b691f5
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parents:
757
diff
changeset
|
1786 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
757
diff
changeset
|
1787 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
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parents:
757
diff
changeset
|
1788 return; |
4ab852b691f5
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parents:
757
diff
changeset
|
1789 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1790 |
4ab852b691f5
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757
diff
changeset
|
1791 if (!rev->ready) { |
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
757
diff
changeset
|
1792 break; |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1793 } |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1794 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1795 |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1796 if (ngx_handle_read_event(rev, 0) != NGX_OK) { |
777
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1797 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1798 return; |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1799 } |
4ab852b691f5
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1800 |
4ab852b691f5
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parents:
757
diff
changeset
|
1801 if (rev->active) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1802 ngx_add_timer(rev, u->conf->read_timeout); |
4ab852b691f5
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diff
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|
1803 |
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
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diff
changeset
|
1804 } else if (rev->timer_set) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1805 ngx_del_timer(rev); |
4ab852b691f5
<!--#include virtual=... set=... -->
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parents:
757
diff
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|
1806 } |
681 | 1807 } |
1808 | |
1809 | |
1810 static void | |
1811 ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
1812 { | |
1813 int tcp_nodelay; | |
2402 | 1814 ssize_t n; |
681 | 1815 ngx_int_t rc; |
1816 ngx_event_pipe_t *p; | |
1817 ngx_connection_t *c; | |
1818 ngx_http_core_loc_conf_t *clcf; | |
1819 | |
509 | 1820 rc = ngx_http_send_header(r); |
479 | 1821 |
1031
bf1785dfb75f
allow the upstream modules to send a header only
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1822 if (rc == NGX_ERROR || rc > NGX_OK || r->post_action || r->header_only) { |
485 | 1823 ngx_http_upstream_finalize_request(r, u, rc); |
479 | 1824 return; |
1825 } | |
1826 | |
1827 u->header_sent = 1; | |
1828 | |
573 | 1829 if (r->request_body && r->request_body->temp_file) { |
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diff
changeset
|
1830 ngx_pool_run_cleanup_file(r->pool, r->request_body->temp_file->file.fd); |
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parents:
2536
diff
changeset
|
1831 r->request_body->temp_file->file.fd = NGX_INVALID_FILE; |
563 | 1832 } |
1833 | |
583 | 1834 c = r->connection; |
1835 | |
581 | 1836 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
1837 | |
649 | 1838 if (!u->buffering) { |
581 | 1839 |
1840 if (u->input_filter == NULL) { | |
1841 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; | |
1842 u->input_filter = ngx_http_upstream_non_buffered_filter; | |
1843 u->input_filter_ctx = r; | |
1844 } | |
1845 | |
2381
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diff
changeset
|
1846 u->read_event_handler = ngx_http_upstream_process_non_buffered_upstream; |
581 | 1847 r->write_event_handler = |
1848 ngx_http_upstream_process_non_buffered_downstream; | |
1849 | |
1850 r->limit_rate = 0; | |
1851 | |
1852 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { | |
1853 ngx_http_upstream_finalize_request(r, u, 0); | |
1854 return; | |
1855 } | |
1856 | |
583 | 1857 if (clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
1858 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay"); | |
1859 | |
1860 tcp_nodelay = 1; | |
1861 | |
1862 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
1863 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
1864 { | |
1865 ngx_connection_error(c, ngx_socket_errno, | |
1866 "setsockopt(TCP_NODELAY) failed"); | |
1867 ngx_http_upstream_finalize_request(r, u, 0); | |
1868 return; | |
1869 } | |
1870 | |
1871 c->tcp_nodelay = NGX_TCP_NODELAY_SET; | |
1872 } | |
1873 | |
2402 | 1874 n = u->buffer.last - u->buffer.pos; |
1875 | |
1876 if (n) { | |
581 | 1877 u->buffer.last = u->buffer.pos; |
1878 | |
2402 | 1879 u->state->response_length += n; |
1880 | |
1881 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { | |
581 | 1882 ngx_http_upstream_finalize_request(r, u, 0); |
1883 return; | |
1884 } | |
1885 | |
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|
1886 ngx_http_upstream_process_non_buffered_downstream(r); |
581 | 1887 |
1888 } else { | |
1889 u->buffer.pos = u->buffer.start; | |
1890 u->buffer.last = u->buffer.start; | |
1891 | |
1892 if (ngx_http_send_special(r, NGX_HTTP_FLUSH) == NGX_ERROR) { | |
1893 ngx_http_upstream_finalize_request(r, u, 0); | |
1894 return; | |
1895 } | |
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1896 |
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1897 if (u->peer.connection->read->ready) { |
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1898 ngx_http_upstream_process_non_buffered_upstream(r, u); |
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1899 } |
581 | 1900 } |
1901 | |
1902 return; | |
1903 } | |
1904 | |
479 | 1905 /* TODO: preallocate event_pipe bufs, look "Content-Length" */ |
1906 | |
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1907 #if (NGX_HTTP_CACHE) |
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1908 |
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1909 if (r->cache && r->cache->file.fd != NGX_INVALID_FILE) { |
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1910 ngx_pool_run_cleanup_file(r->pool, r->cache->file.fd); |
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1911 r->cache->file.fd = NGX_INVALID_FILE; |
479 | 1912 } |
1913 | |
1565 | 1914 if (u->cacheable) { |
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1915 time_t now, valid; |
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1916 |
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1917 valid = ngx_http_file_cache_valid(u->conf->cache_valid, |
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1918 u->headers_in.status_n); |
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1919 if (valid) { |
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1920 |
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1921 now = ngx_time(); |
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1922 |
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1923 r->cache->valid_sec = now + valid; |
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1924 |
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1925 r->cache->last_modified = r->headers_out.last_modified_time; |
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diff
changeset
|
1926 r->cache->date = now; |
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diff
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1927 r->cache->body_start = (u_short) (u->buffer.pos - u->buffer.start); |
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1928 |
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1929 if (r->headers_out.content_length_n != -1) { |
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1930 r->cache->length = r->cache->body_start |
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|
1931 + r->headers_out.content_length_n; |
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1932 } |
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1933 |
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1934 ngx_http_file_cache_set_header(r, u->buffer.start); |
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1935 |
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1936 } else { |
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1937 u->cacheable = 0; |
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1938 } |
479 | 1939 } |
1940 | |
1941 #endif | |
1942 | |
581 | 1943 p = u->pipe; |
479 | 1944 |
1945 p->output_filter = (ngx_event_pipe_output_filter_pt) ngx_http_output_filter; | |
1946 p->output_ctx = r; | |
1947 p->tag = u->output.tag; | |
577 | 1948 p->bufs = u->conf->bufs; |
479 | 1949 p->busy_size = u->conf->busy_buffers_size; |
1950 p->upstream = u->peer.connection; | |
583 | 1951 p->downstream = c; |
479 | 1952 p->pool = r->pool; |
583 | 1953 p->log = c->log; |
577 | 1954 |
1565 | 1955 p->cacheable = u->cacheable || u->store; |
479 | 1956 |
501 | 1957 p->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
1958 if (p->temp_file == NULL) { | |
479 | 1959 ngx_http_upstream_finalize_request(r, u, 0); |
1960 return; | |
1961 } | |
1962 | |
1963 p->temp_file->file.fd = NGX_INVALID_FILE; | |
583 | 1964 p->temp_file->file.log = c->log; |
479 | 1965 p->temp_file->path = u->conf->temp_path; |
1966 p->temp_file->pool = r->pool; | |
577 | 1967 |
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1968 if (p->cacheable) { |
479 | 1969 p->temp_file->persistent = 1; |
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1970 |
479 | 1971 } else { |
667 | 1972 p->temp_file->log_level = NGX_LOG_WARN; |
479 | 1973 p->temp_file->warn = "an upstream response is buffered " |
1974 "to a temporary file"; | |
1975 } | |
1976 | |
1977 p->max_temp_file_size = u->conf->max_temp_file_size; | |
1978 p->temp_file_write_size = u->conf->temp_file_write_size; | |
1979 | |
501 | 1980 p->preread_bufs = ngx_alloc_chain_link(r->pool); |
1981 if (p->preread_bufs == NULL) { | |
479 | 1982 ngx_http_upstream_finalize_request(r, u, 0); |
1983 return; | |
1984 } | |
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1985 |
581 | 1986 p->preread_bufs->buf = &u->buffer; |
479 | 1987 p->preread_bufs->next = NULL; |
581 | 1988 u->buffer.recycled = 1; |
1989 | |
1990 p->preread_size = u->buffer.last - u->buffer.pos; | |
479 | 1991 |
1565 | 1992 if (u->cacheable) { |
1291
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1993 |
479 | 1994 p->buf_to_file = ngx_calloc_buf(r->pool); |
1995 if (p->buf_to_file == NULL) { | |
1996 ngx_http_upstream_finalize_request(r, u, 0); | |
1997 return; | |
1998 } | |
1291
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1999 |
581 | 2000 p->buf_to_file->pos = u->buffer.start; |
2001 p->buf_to_file->last = u->buffer.pos; | |
479 | 2002 p->buf_to_file->temporary = 1; |
2003 } | |
2004 | |
2005 if (ngx_event_flags & NGX_USE_AIO_EVENT) { | |
2006 /* the posted aio operation may currupt a shadow buffer */ | |
2007 p->single_buf = 1; | |
2008 } | |
2009 | |
2010 /* TODO: p->free_bufs = 0 if use ngx_create_chain_of_bufs() */ | |
2011 p->free_bufs = 1; | |
2012 | |
2013 /* | |
581 | 2014 * event_pipe would do u->buffer.last += p->preread_size |
479 | 2015 * as though these bytes were read |
2016 */ | |
581 | 2017 u->buffer.last = u->buffer.pos; |
479 | 2018 |
2019 if (u->conf->cyclic_temp_file) { | |
2020 | |
2021 /* | |
2022 * we need to disable the use of sendfile() if we use cyclic temp file | |
2023 * because the writing a new data may interfere with sendfile() | |
2024 * that uses the same kernel file pages (at least on FreeBSD) | |
2025 */ | |
2026 | |
2027 p->cyclic_temp_file = 1; | |
583 | 2028 c->sendfile = 0; |
479 | 2029 |
2030 } else { | |
2031 p->cyclic_temp_file = 0; | |
2032 } | |
2033 | |
2034 p->read_timeout = u->conf->read_timeout; | |
2035 p->send_timeout = clcf->send_timeout; | |
2036 p->send_lowat = clcf->send_lowat; | |
2037 | |
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2038 u->read_event_handler = ngx_http_upstream_process_upstream; |
509 | 2039 r->write_event_handler = ngx_http_upstream_process_downstream; |
479 | 2040 |
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2041 ngx_http_upstream_process_upstream(r, u); |
479 | 2042 } |
2043 | |
2044 | |
487 | 2045 static void |
581 | 2046 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r) |
2047 { | |
2381
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2048 ngx_event_t *wev; |
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2049 ngx_connection_t *c; |
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2050 ngx_http_upstream_t *u; |
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2051 |
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2052 c = r->connection; |
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2053 u = r->upstream; |
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2054 wev = c->write; |
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2055 |
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2056 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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2057 "http upstream process non buffered downstream"); |
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2058 |
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2059 c->log->action = "sending to client"; |
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2060 |
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2061 if (wev->timedout) { |
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2062 c->timedout = 1; |
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2063 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
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2064 ngx_http_upstream_finalize_request(r, u, 0); |
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2065 return; |
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2066 } |
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2067 |
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2068 ngx_http_upstream_process_non_buffered_request(r, 1); |
581 | 2069 } |
2070 | |
2071 | |
2072 static void | |
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2073 ngx_http_upstream_process_non_buffered_upstream(ngx_http_request_t *r, |
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2074 ngx_http_upstream_t *u) |
2381
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2075 { |
2386
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2076 ngx_connection_t *c; |
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2077 |
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2078 c = u->peer.connection; |
2381
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2079 |
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2080 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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2081 "http upstream process non buffered upstream"); |
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2082 |
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2083 c->log->action = "reading upstream"; |
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2084 |
2386
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2085 if (c->read->timedout) { |
2381
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2086 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
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2087 ngx_http_upstream_finalize_request(r, u, 0); |
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2088 return; |
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2089 } |
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2090 |
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2091 ngx_http_upstream_process_non_buffered_request(r, 0); |
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2092 } |
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2093 |
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2094 |
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2095 static void |
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fix r2378, run posted requests after upstream event handling
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|
2096 ngx_http_upstream_process_non_buffered_request(ngx_http_request_t *r, |
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|
2097 ngx_uint_t do_write) |
581 | 2098 { |
2099 size_t size; | |
2100 ssize_t n; | |
2101 ngx_buf_t *b; | |
583 | 2102 ngx_int_t rc; |
2381
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|
2103 ngx_connection_t *downstream, *upstream; |
581 | 2104 ngx_http_upstream_t *u; |
2105 ngx_http_core_loc_conf_t *clcf; | |
2106 | |
756
d904b5cb3bba
fix building introduced by previous commit
Igor Sysoev <igor@sysoev.ru>
parents:
755
diff
changeset
|
2107 u = r->upstream; |
884 | 2108 downstream = r->connection; |
2109 upstream = u->peer.connection; | |
581 | 2110 |
2111 b = &u->buffer; | |
2112 | |
2381
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fix r2378, run posted requests after upstream event handling
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|
2113 do_write = do_write || u->length == 0; |
581 | 2114 |
2115 for ( ;; ) { | |
2116 | |
2117 if (do_write) { | |
2118 | |
2119 if (u->out_bufs || u->busy_bufs) { | |
583 | 2120 rc = ngx_http_output_filter(r, u->out_bufs); |
2121 | |
884 | 2122 if (downstream->destroyed) { |
583 | 2123 return; |
2124 } | |
2125 | |
2126 if (rc == NGX_ERROR) { | |
581 | 2127 ngx_http_upstream_finalize_request(r, u, 0); |
2128 return; | |
2129 } | |
2130 | |
2131 ngx_chain_update_chains(&u->free_bufs, &u->busy_bufs, | |
2132 &u->out_bufs, u->output.tag); | |
2133 } | |
2134 | |
2135 if (u->busy_bufs == NULL) { | |
2136 | |
2137 if (u->length == 0 | |
884 | 2138 || upstream->read->eof |
2139 || upstream->read->error) | |
581 | 2140 { |
2141 ngx_http_upstream_finalize_request(r, u, 0); | |
2142 return; | |
2143 } | |
2144 | |
2145 b->pos = b->start; | |
2146 b->last = b->start; | |
2147 } | |
2148 } | |
2149 | |
2150 size = b->end - b->last; | |
2151 | |
2152 if (size > u->length) { | |
2153 size = u->length; | |
2154 } | |
2155 | |
884 | 2156 if (size && upstream->read->ready) { |
2157 | |
2158 n = upstream->recv(upstream, b->last, size); | |
581 | 2159 |
2160 if (n == NGX_AGAIN) { | |
2161 break; | |
2162 } | |
2163 | |
2164 if (n > 0) { | |
2402 | 2165 u->state->response_length += n; |
2166 | |
581 | 2167 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
2168 ngx_http_upstream_finalize_request(r, u, 0); | |
2169 return; | |
2170 } | |
2171 } | |
2172 | |
2173 do_write = 1; | |
2174 | |
2175 continue; | |
2176 } | |
2177 | |
2178 break; | |
2179 } | |
2180 | |
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|
2181 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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2182 |
884 | 2183 if (downstream->data == r) { |
2184 if (ngx_handle_write_event(downstream->write, clcf->send_lowat) | |
2377
87b8c44906b5
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2185 != NGX_OK) |
583 | 2186 { |
2187 ngx_http_upstream_finalize_request(r, u, 0); | |
2188 return; | |
2189 } | |
581 | 2190 } |
2191 | |
1063
e2a6ecc5a3ae
a non-active client connection must not closed after send timeout
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2192 if (downstream->write->active && !downstream->write->ready) { |
884 | 2193 ngx_add_timer(downstream->write, clcf->send_timeout); |
2194 | |
2195 } else if (downstream->write->timer_set) { | |
2196 ngx_del_timer(downstream->write); | |
581 | 2197 } |
2198 | |
2377
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Igor Sysoev <igor@sysoev.ru>
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|
2199 if (ngx_handle_read_event(upstream->read, 0) != NGX_OK) { |
581 | 2200 ngx_http_upstream_finalize_request(r, u, 0); |
2201 return; | |
2202 } | |
2203 | |
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Igor Sysoev <igor@sysoev.ru>
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|
2204 if (upstream->read->active && !upstream->read->ready) { |
884 | 2205 ngx_add_timer(upstream->read, u->conf->read_timeout); |
2206 | |
2207 } else if (upstream->read->timer_set) { | |
2208 ngx_del_timer(upstream->read); | |
581 | 2209 } |
2210 } | |
2211 | |
2212 | |
2213 static ngx_int_t | |
2214 ngx_http_upstream_non_buffered_filter_init(void *data) | |
2215 { | |
2216 return NGX_OK; | |
2217 } | |
2218 | |
2219 | |
2220 static ngx_int_t | |
2221 ngx_http_upstream_non_buffered_filter(void *data, ssize_t bytes) | |
2222 { | |
2223 ngx_http_request_t *r = data; | |
2224 | |
2225 ngx_buf_t *b; | |
2226 ngx_chain_t *cl, **ll; | |
2227 ngx_http_upstream_t *u; | |
2228 | |
2229 u = r->upstream; | |
2230 | |
2231 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
2232 ll = &cl->next; | |
2233 } | |
2234 | |
2235 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
2236 if (cl == NULL) { | |
2237 return NGX_ERROR; | |
2238 } | |
2239 | |
2240 *ll = cl; | |
2241 | |
2242 cl->buf->flush = 1; | |
2243 cl->buf->memory = 1; | |
2244 | |
2245 b = &u->buffer; | |
2246 | |
2247 cl->buf->pos = b->last; | |
2248 b->last += bytes; | |
2249 cl->buf->last = b->last; | |
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Igor Sysoev <igor@sysoev.ru>
parents:
1902
diff
changeset
|
2250 cl->buf->tag = u->output.tag; |
581 | 2251 |
2252 if (u->length == NGX_MAX_SIZE_T_VALUE) { | |
2253 return NGX_OK; | |
2254 } | |
2255 | |
2256 u->length -= bytes; | |
2257 | |
2258 return NGX_OK; | |
2259 } | |
2260 | |
2261 | |
2262 static void | |
509 | 2263 ngx_http_upstream_process_downstream(ngx_http_request_t *r) |
2264 { | |
2381
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2265 ngx_event_t *wev; |
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2266 ngx_connection_t *c; |
509 | 2267 ngx_event_pipe_t *p; |
479 | 2268 ngx_http_upstream_t *u; |
2269 | |
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2270 c = r->connection; |
479 | 2271 u = r->upstream; |
581 | 2272 p = u->pipe; |
2381
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2273 wev = c->write; |
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2274 |
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2275 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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2276 "http upstream process downstream"); |
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2277 |
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2278 c->log->action = "sending to client"; |
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2279 |
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2280 if (wev->timedout) { |
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|
2281 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2282 if (wev->delayed) { |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2283 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2284 wev->timedout = 0; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2285 wev->delayed = 0; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2286 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2287 if (!wev->ready) { |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2288 ngx_add_timer(wev, p->send_timeout); |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2289 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2290 if (ngx_handle_write_event(wev, p->send_lowat) != NGX_OK) { |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2291 ngx_http_upstream_finalize_request(r, u, 0); |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2292 } |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2293 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2294 return; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2295 } |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2296 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2297 if (ngx_event_pipe(p, wev->write) == NGX_ABORT) { |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2298 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2299 if (c->destroyed) { |
527 | 2300 return; |
2301 } | |
2302 | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2303 ngx_http_upstream_finalize_request(r, u, 0); |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2304 return; |
527 | 2305 } |
479 | 2306 |
2307 } else { | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2308 p->downstream_error = 1; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2309 c->timedout = 1; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2310 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
479 | 2311 } |
2312 | |
2313 } else { | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2314 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2315 if (wev->delayed) { |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2316 |
527 | 2317 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
2318 "http downstream delayed"); | |
2319 | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2320 if (ngx_handle_write_event(wev, p->send_lowat) != NGX_OK) { |
2377
87b8c44906b5
*) refactor subrequest handling, now they run as separate posted requests
Igor Sysoev <igor@sysoev.ru>
parents:
2360
diff
changeset
|
2321 ngx_http_upstream_finalize_request(r, u, 0); |
527 | 2322 } |
2323 | |
2324 return; | |
2325 } | |
2326 | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2327 if (ngx_event_pipe(p, 1) == NGX_ABORT) { |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2328 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2329 if (c->destroyed) { |
583 | 2330 return; |
2331 } | |
2332 | |
479 | 2333 ngx_http_upstream_finalize_request(r, u, 0); |
2334 return; | |
2335 } | |
2336 } | |
577 | 2337 |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2338 ngx_http_upstream_process_request(r); |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2339 } |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2340 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2341 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2342 static void |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2343 ngx_http_upstream_process_upstream(ngx_http_request_t *r, |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2344 ngx_http_upstream_t *u) |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2345 { |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2346 ngx_connection_t *c; |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2347 |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2348 c = u->peer.connection; |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2349 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2350 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2351 "http upstream process upstream"); |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2352 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2353 c->log->action = "reading upstream"; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2354 |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2355 if (c->read->timedout) { |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2356 u->pipe->upstream_error = 1; |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2357 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2358 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2359 } else { |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2360 c = r->connection; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2361 |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2362 if (ngx_event_pipe(u->pipe, 0) == NGX_ABORT) { |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2363 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2364 if (c->destroyed) { |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2365 return; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2366 } |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2367 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2368 ngx_http_upstream_finalize_request(r, u, 0); |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2369 return; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2370 } |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2371 } |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2372 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2373 ngx_http_upstream_process_request(r); |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2374 } |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2375 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2376 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2377 static void |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2378 ngx_http_upstream_process_request(ngx_http_request_t *r) |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2379 { |
2445
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2380 ngx_uint_t del; |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2381 ngx_temp_file_t *tf; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2382 ngx_event_pipe_t *p; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2383 ngx_http_upstream_t *u; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2384 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2385 u = r->upstream; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2386 p = u->pipe; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2387 |
479 | 2388 if (u->peer.connection) { |
2389 | |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2390 if (u->store) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2391 |
2445
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2392 del = p->upstream_error; |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2393 |
1885
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
2394 tf = u->pipe->temp_file; |
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
2395 |
2463 | 2396 if (p->upstream_eof || p->upstream_done) { |
2445
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2397 |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2398 if (u->headers_in.status_n == NGX_HTTP_OK |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2399 && (u->headers_in.content_length_n == -1 |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2400 || (u->headers_in.content_length_n == tf->offset))) |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2401 { |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2402 ngx_http_upstream_store(r, u); |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2403 |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2404 } else { |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2405 del = 1; |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2406 } |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2407 } |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2408 |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2409 if (del && tf->file.fd != NGX_INVALID_FILE) { |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2410 |
1885
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
2411 if (ngx_delete_file(tf->file.name.data) == NGX_FILE_ERROR) { |
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
2412 |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2413 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2414 ngx_delete_file_n " \"%s\" failed", |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2415 u->pipe->temp_file->file.name.data); |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2416 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2417 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2418 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2419 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2420 #if (NGX_HTTP_CACHE) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2421 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2422 if (u->cacheable) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2423 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2424 if (p->upstream_done) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2425 ngx_http_file_cache_update(r, u->pipe->temp_file); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2426 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2427 } else if (p->upstream_eof) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2428 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2429 /* TODO: check length & update cache */ |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2430 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2431 ngx_http_file_cache_update(r, u->pipe->temp_file); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2432 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2433 } else if (p->upstream_error) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2434 ngx_http_file_cache_free(r, u->pipe->temp_file); |
479 | 2435 } |
2436 } | |
2437 | |
2438 #endif | |
2439 | |
2440 if (p->upstream_done || p->upstream_eof || p->upstream_error) { | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2441 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
483 | 2442 "http upstream exit: %p", p->out); |
479 | 2443 #if 0 |
2444 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2445 #endif | |
2446 ngx_http_upstream_finalize_request(r, u, 0); | |
2447 return; | |
2448 } | |
2449 } | |
2450 | |
2451 if (p->downstream_error) { | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2452 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
483 | 2453 "http upstream downstream error"); |
479 | 2454 |
1565 | 2455 if (!u->cacheable && u->peer.connection) { |
479 | 2456 ngx_http_upstream_finalize_request(r, u, 0); |
2457 } | |
2458 } | |
2459 } | |
2460 | |
2461 | |
487 | 2462 static void |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2463 ngx_http_upstream_store(ngx_http_request_t *r, ngx_http_upstream_t *u) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2464 { |
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2465 size_t root; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2466 time_t lm; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2467 ngx_str_t path; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2468 ngx_temp_file_t *tf; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2469 ngx_ext_rename_file_t ext; |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2470 |
1777 | 2471 tf = u->pipe->temp_file; |
2472 | |
2473 if (tf->file.fd == NGX_INVALID_FILE) { | |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2474 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2475 /* create file for empty 200 response */ |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2476 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2477 tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2478 if (tf == NULL) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2479 return; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2480 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2481 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2482 tf->file.fd = NGX_INVALID_FILE; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2483 tf->file.log = r->connection->log; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2484 tf->path = u->conf->temp_path; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2485 tf->pool = r->pool; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2486 tf->persistent = 1; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2487 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2488 if (ngx_create_temp_file(&tf->file, tf->path, tf->pool, |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2489 tf->persistent, tf->clean, tf->access) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2490 != NGX_OK) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2491 { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2492 return; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2493 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2494 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2495 u->pipe->temp_file = tf; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2496 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2497 |
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2498 ext.access = u->conf->store_access; |
2394
dbe746851b31
use ngx_ext_rename_file() for single file MOVE
Igor Sysoev <igor@sysoev.ru>
parents:
2386
diff
changeset
|
2499 ext.path_access = u->conf->store_access; |
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2500 ext.time = -1; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2501 ext.create_path = 1; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2502 ext.delete_file = 1; |
2394
dbe746851b31
use ngx_ext_rename_file() for single file MOVE
Igor Sysoev <igor@sysoev.ru>
parents:
2386
diff
changeset
|
2503 ext.log_rename_error = 1; |
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2504 ext.log = r->connection->log; |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2505 |
1705 | 2506 if (u->headers_in.last_modified) { |
2507 | |
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2508 lm = ngx_http_parse_time(u->headers_in.last_modified->value.data, |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2509 u->headers_in.last_modified->value.len); |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2510 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2511 if (lm != NGX_ERROR) { |
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2512 ext.time = lm; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2513 ext.fd = tf->file.fd; |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2514 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2515 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2516 |
1295
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2517 if (u->conf->store_lengths == NULL) { |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2518 |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2519 ngx_http_map_uri_to_path(r, &path, &root, 0); |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2520 |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2521 } else { |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2522 if (ngx_http_script_run(r, &path, u->conf->store_lengths->elts, 0, |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2523 u->conf->store_values->elts) |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2524 == NULL) |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2525 { |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2526 return; |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2527 } |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2528 } |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2529 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2530 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2531 "upstream stores \"%s\" to \"%s\"", |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2532 tf->file.name.data, path.data); |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2533 |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2534 (void) ngx_ext_rename_file(&tf->file.name, &path, &ext); |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2535 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2536 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2537 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2538 static void |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2539 ngx_http_upstream_dummy_handler(ngx_http_request_t *r, ngx_http_upstream_t *u) |
479 | 2540 { |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2541 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
479 | 2542 "http upstream dummy handler"); |
2543 } | |
2544 | |
2545 | |
487 | 2546 static void |
2547 ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u, | |
2548 ngx_uint_t ft_type) | |
479 | 2549 { |
884 | 2550 ngx_uint_t status, state; |
479 | 2551 |
2552 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
884 | 2553 "http next upstream, %xi", ft_type); |
479 | 2554 |
2555 #if 0 | |
2556 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2557 #endif | |
2558 | |
525 | 2559 if (ft_type == NGX_HTTP_UPSTREAM_FT_HTTP_404) { |
884 | 2560 state = NGX_PEER_NEXT; |
525 | 2561 } else { |
884 | 2562 state = NGX_PEER_FAILED; |
479 | 2563 } |
525 | 2564 |
1378 | 2565 if (ft_type != NGX_HTTP_UPSTREAM_FT_NOLIVE) { |
2566 u->peer.free(&u->peer, u->peer.data, state); | |
2567 } | |
525 | 2568 |
479 | 2569 if (ft_type == NGX_HTTP_UPSTREAM_FT_TIMEOUT) { |
2570 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ETIMEDOUT, | |
2571 "upstream timed out"); | |
2572 } | |
577 | 2573 |
479 | 2574 if (u->peer.cached && ft_type == NGX_HTTP_UPSTREAM_FT_ERROR) { |
2575 status = 0; | |
2576 | |
2577 } else { | |
2578 switch(ft_type) { | |
2579 | |
2580 case NGX_HTTP_UPSTREAM_FT_TIMEOUT: | |
2581 status = NGX_HTTP_GATEWAY_TIME_OUT; | |
2582 break; | |
2583 | |
2584 case NGX_HTTP_UPSTREAM_FT_HTTP_500: | |
2585 status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
2586 break; | |
2587 | |
2588 case NGX_HTTP_UPSTREAM_FT_HTTP_404: | |
2589 status = NGX_HTTP_NOT_FOUND; | |
2590 break; | |
2591 | |
2592 /* | |
2593 * NGX_HTTP_UPSTREAM_FT_BUSY_LOCK and NGX_HTTP_UPSTREAM_FT_MAX_WAITING | |
2594 * never reach here | |
2595 */ | |
2596 | |
2597 default: | |
2598 status = NGX_HTTP_BAD_GATEWAY; | |
2599 } | |
2600 } | |
2601 | |
583 | 2602 if (r->connection->error) { |
479 | 2603 ngx_http_upstream_finalize_request(r, u, |
2604 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
2605 return; | |
2606 } | |
2607 | |
2608 if (status) { | |
2609 u->state->status = status; | |
2610 | |
525 | 2611 if (u->peer.tries == 0 || !(u->conf->next_upstream & ft_type)) { |
479 | 2612 |
2613 #if (NGX_HTTP_CACHE) | |
2614 | |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2615 if (u->stale_cache && (u->conf->cache_use_stale & ft_type)) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2616 |
479 | 2617 ngx_http_upstream_finalize_request(r, u, |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2618 ngx_http_upstream_cache_send(r, u)); |
479 | 2619 return; |
2620 } | |
2621 #endif | |
2622 | |
2623 ngx_http_upstream_finalize_request(r, u, status); | |
2624 return; | |
2625 } | |
2626 } | |
2627 | |
2628 if (u->peer.connection) { | |
2629 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2630 "close http upstream connection: %d", | |
2631 u->peer.connection->fd); | |
577 | 2632 #if (NGX_HTTP_SSL) |
884 | 2633 |
577 | 2634 if (u->peer.connection->ssl) { |
884 | 2635 u->peer.connection->ssl->no_wait_shutdown = 1; |
2636 u->peer.connection->ssl->no_send_shutdown = 1; | |
2637 | |
2638 (void) ngx_ssl_shutdown(u->peer.connection); | |
577 | 2639 } |
2640 #endif | |
884 | 2641 |
479 | 2642 ngx_close_connection(u->peer.connection); |
2643 } | |
2644 | |
2645 #if 0 | |
2646 if (u->conf->busy_lock && !u->busy_locked) { | |
2647 ngx_http_upstream_busy_lock(p); | |
2648 return; | |
2649 } | |
2650 #endif | |
2651 | |
2652 ngx_http_upstream_connect(r, u); | |
2653 } | |
2654 | |
2655 | |
487 | 2656 static void |
569 | 2657 ngx_http_upstream_cleanup(void *data) |
2658 { | |
2659 ngx_http_request_t *r = data; | |
2660 | |
1705 | 2661 ngx_http_upstream_t *u; |
2662 | |
569 | 2663 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2664 "cleanup http upstream request: \"%V\"", &r->uri); | |
2665 | |
1705 | 2666 u = r->upstream; |
2667 | |
2668 if (u->resolved && u->resolved->ctx) { | |
2669 ngx_resolve_name_done(u->resolved->ctx); | |
1658 | 2670 } |
2671 | |
1705 | 2672 ngx_http_upstream_finalize_request(r, u, NGX_DONE); |
569 | 2673 } |
2674 | |
2675 | |
2676 static void | |
487 | 2677 ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
2678 ngx_http_upstream_t *u, ngx_int_t rc) | |
479 | 2679 { |
889
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2680 ngx_time_t *tp; |
563 | 2681 |
483 | 2682 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2683 "finalize http upstream request: %i", rc); | |
479 | 2684 |
2413 | 2685 if (u->cleanup) { |
2686 *u->cleanup = NULL; | |
2687 } | |
569 | 2688 |
1658 | 2689 if (u->state && u->state->response_sec) { |
563 | 2690 tp = ngx_timeofday(); |
889
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|
2691 u->state->response_sec = tp->sec - u->state->response_sec; |
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2692 u->state->response_msec = tp->msec - u->state->response_msec; |
2402 | 2693 |
2694 if (u->pipe) { | |
2695 u->state->response_length = u->pipe->read_length; | |
2696 } | |
563 | 2697 } |
2698 | |
479 | 2699 u->finalize_request(r, rc); |
2700 | |
1658 | 2701 if (u->peer.free) { |
2702 u->peer.free(&u->peer, u->peer.data, 0); | |
2703 } | |
884 | 2704 |
479 | 2705 if (u->peer.connection) { |
884 | 2706 |
577 | 2707 #if (NGX_HTTP_SSL) |
2708 | |
2709 /* TODO: do not shutdown persistent connection */ | |
2710 | |
2711 if (u->peer.connection->ssl) { | |
884 | 2712 |
2713 /* | |
2714 * We send the "close notify" shutdown alert to the upstream only | |
2715 * and do not wait its "close notify" shutdown alert. | |
2716 * It is acceptable according to the TLS standard. | |
2717 */ | |
2718 | |
2719 u->peer.connection->ssl->no_wait_shutdown = 1; | |
2720 | |
2721 (void) ngx_ssl_shutdown(u->peer.connection); | |
577 | 2722 } |
2723 #endif | |
884 | 2724 |
2725 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2726 "close http upstream connection: %d", | |
2727 u->peer.connection->fd); | |
2728 | |
479 | 2729 ngx_close_connection(u->peer.connection); |
2730 } | |
2731 | |
483 | 2732 u->peer.connection = NULL; |
2733 | |
581 | 2734 if (u->pipe && u->pipe->temp_file) { |
479 | 2735 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2736 "http upstream temp fd: %d", | |
581 | 2737 u->pipe->temp_file->file.fd); |
479 | 2738 } |
2739 | |
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2740 #if (NGX_HTTP_CACHE) |
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2741 |
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2742 if (r->cache) { |
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2743 time_t valid; |
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2744 |
479 | 2745 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
483 | 2746 "http upstream cache fd: %d", |
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2747 r->cache->file.fd); |
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2748 |
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2749 if (rc == NGX_HTTP_BAD_GATEWAY || rc == NGX_HTTP_GATEWAY_TIME_OUT) { |
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2750 |
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2751 valid = ngx_http_file_cache_valid(u->conf->cache_valid, rc); |
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2752 |
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2753 if (valid) { |
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2754 r->cache->valid_sec = ngx_time() + valid; |
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2755 r->cache->error = rc; |
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2756 } |
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|
2757 } |
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2758 |
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2759 ngx_http_file_cache_free(r, u->pipe->temp_file); |
479 | 2760 } |
2592
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2761 |
479 | 2762 #endif |
2763 | |
2592
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2764 if (u->header_sent && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE)) |
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2765 { |
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|
2766 rc = 0; |
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|
2767 } |
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|
2768 |
515 | 2769 if (rc == NGX_DECLINED) { |
2770 return; | |
2771 } | |
2772 | |
483 | 2773 r->connection->log->action = "sending to client"; |
2774 | |
2377
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2775 if (rc == 0 && r == r->main && !r->post_action) { |
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2776 rc = ngx_http_send_special(r, NGX_HTTP_LAST); |
479 | 2777 } |
2778 | |
2779 ngx_http_finalize_request(r, rc); | |
2780 } | |
2781 | |
2782 | |
509 | 2783 static ngx_int_t |
2784 ngx_http_upstream_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2785 ngx_uint_t offset) | |
577 | 2786 { |
509 | 2787 ngx_table_elt_t **ph; |
577 | 2788 |
509 | 2789 ph = (ngx_table_elt_t **) ((char *) &r->upstream->headers_in + offset); |
2790 | |
2791 if (*ph == NULL) { | |
2792 *ph = h; | |
2793 } | |
2794 | |
2795 return NGX_OK; | |
2796 } | |
2797 | |
2798 | |
2799 static ngx_int_t | |
2800 ngx_http_upstream_process_multi_header_lines(ngx_http_request_t *r, | |
2801 ngx_table_elt_t *h, ngx_uint_t offset) | |
2802 { | |
2803 ngx_array_t *pa; | |
2804 ngx_table_elt_t **ph; | |
2805 | |
2806 pa = (ngx_array_t *) ((char *) &r->upstream->headers_in + offset); | |
2807 | |
2808 if (pa->elts == NULL) { | |
2809 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
2810 { | |
2811 return NGX_ERROR; | |
2812 } | |
2813 } | |
2814 | |
2815 ph = ngx_array_push(pa); | |
2816 if (ph == NULL) { | |
2817 return NGX_ERROR; | |
2818 } | |
2819 | |
2820 *ph = h; | |
2821 | |
2822 return NGX_OK; | |
2823 } | |
2824 | |
2825 | |
2826 static ngx_int_t | |
2827 ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2828 ngx_uint_t offset) | |
2829 { | |
2830 return NGX_OK; | |
2831 } | |
2832 | |
2833 | |
2834 static ngx_int_t | |
527 | 2835 ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, ngx_table_elt_t *h, |
2836 ngx_uint_t offset) | |
577 | 2837 { |
527 | 2838 ngx_int_t n; |
2839 | |
2840 r->upstream->headers_in.x_accel_limit_rate = h; | |
2841 | |
2842 n = ngx_atoi(h->value.data, h->value.len); | |
2843 | |
2844 if (n != NGX_ERROR) { | |
2845 r->limit_rate = (size_t) n; | |
2846 } | |
2847 | |
2848 return NGX_OK; | |
2849 } | |
2850 | |
2851 | |
2852 static ngx_int_t | |
649 | 2853 ngx_http_upstream_process_buffering(ngx_http_request_t *r, ngx_table_elt_t *h, |
2854 ngx_uint_t offset) | |
2855 { | |
2856 u_char c0, c1, c2; | |
2857 | |
2858 if (r->upstream->conf->change_buffering) { | |
2859 | |
2860 if (h->value.len == 2) { | |
2861 c0 = ngx_tolower(h->value.data[0]); | |
2862 c1 = ngx_tolower(h->value.data[1]); | |
2863 | |
2864 if (c0 == 'n' && c1 == 'o') { | |
2865 r->upstream->buffering = 0; | |
2866 } | |
2867 | |
2868 } else if (h->value.len == 3) { | |
2869 c0 = ngx_tolower(h->value.data[0]); | |
2870 c1 = ngx_tolower(h->value.data[1]); | |
2871 c2 = ngx_tolower(h->value.data[2]); | |
2872 | |
2873 if (c0 == 'y' && c1 == 'e' && c2 == 's') { | |
2874 r->upstream->buffering = 1; | |
2875 } | |
2876 } | |
2877 } | |
2878 | |
2879 return NGX_OK; | |
2880 } | |
2881 | |
2882 | |
2883 static ngx_int_t | |
657 | 2884 ngx_http_upstream_process_charset(ngx_http_request_t *r, ngx_table_elt_t *h, |
2885 ngx_uint_t offset) | |
2886 { | |
2887 r->headers_out.override_charset = &h->value; | |
2888 | |
2889 return NGX_OK; | |
2890 } | |
2891 | |
2892 | |
2893 static ngx_int_t | |
509 | 2894 ngx_http_upstream_copy_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, |
2895 ngx_uint_t offset) | |
2896 { | |
573 | 2897 ngx_table_elt_t *ho, **ph; |
509 | 2898 |
2899 ho = ngx_list_push(&r->headers_out.headers); | |
2900 if (ho == NULL) { | |
2901 return NGX_ERROR; | |
2902 } | |
2903 | |
2904 *ho = *h; | |
2905 | |
573 | 2906 if (offset) { |
2907 ph = (ngx_table_elt_t **) ((char *) &r->headers_out + offset); | |
2908 *ph = ho; | |
2909 } | |
2910 | |
509 | 2911 return NGX_OK; |
2912 } | |
2913 | |
2914 | |
2915 static ngx_int_t | |
2916 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
2917 ngx_table_elt_t *h, ngx_uint_t offset) | |
2918 { | |
2919 ngx_array_t *pa; | |
2920 ngx_table_elt_t *ho, **ph; | |
2921 | |
2922 pa = (ngx_array_t *) ((char *) &r->headers_out + offset); | |
2923 | |
2924 if (pa->elts == NULL) { | |
2925 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
2926 { | |
2927 return NGX_ERROR; | |
2928 } | |
2929 } | |
2930 | |
2931 ph = ngx_array_push(pa); | |
2932 if (ph == NULL) { | |
2933 return NGX_ERROR; | |
2934 } | |
2935 | |
2936 ho = ngx_list_push(&r->headers_out.headers); | |
2937 if (ho == NULL) { | |
2938 return NGX_ERROR; | |
2939 } | |
2940 | |
2941 *ho = *h; | |
2942 *ph = ho; | |
2943 | |
2944 return NGX_OK; | |
2945 } | |
2946 | |
2947 | |
2948 static ngx_int_t | |
2949 ngx_http_upstream_copy_content_type(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2950 ngx_uint_t offset) | |
2951 { | |
657 | 2952 u_char *p, *last; |
2953 | |
2954 r->headers_out.content_type_len = h->value.len; | |
509 | 2955 r->headers_out.content_type = h->value; |
2956 | |
657 | 2957 for (p = h->value.data; *p; p++) { |
2958 | |
2959 if (*p != ';') { | |
2960 continue; | |
2961 } | |
2962 | |
2963 last = p; | |
2964 | |
2965 while (*++p == ' ') { /* void */ } | |
2966 | |
1968 | 2967 if (*p == '\0') { |
2968 return NGX_OK; | |
2969 } | |
2970 | |
1107
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|
2971 if (ngx_strncasecmp(p, (u_char *) "charset=", 8) != 0) { |
657 | 2972 continue; |
2973 } | |
2974 | |
2975 p += 8; | |
2976 | |
2977 r->headers_out.content_type_len = last - h->value.data; | |
2978 | |
2244 | 2979 if (*p == '"') { |
2980 p++; | |
2981 } | |
2982 | |
2983 last = h->value.data + h->value.len; | |
2984 | |
2985 if (*(last - 1) == '"') { | |
2986 last--; | |
2987 } | |
2988 | |
2989 r->headers_out.charset.len = last - p; | |
657 | 2990 r->headers_out.charset.data = p; |
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2991 |
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2992 return NGX_OK; |
657 | 2993 } |
2994 | |
509 | 2995 return NGX_OK; |
2996 } | |
2997 | |
2998 | |
2999 static ngx_int_t | |
3000 ngx_http_upstream_copy_content_length(ngx_http_request_t *r, ngx_table_elt_t *h, | |
3001 ngx_uint_t offset) | |
3002 { | |
3003 ngx_table_elt_t *ho; | |
3004 | |
3005 ho = ngx_list_push(&r->headers_out.headers); | |
3006 if (ho == NULL) { | |
3007 return NGX_ERROR; | |
3008 } | |
3009 | |
3010 *ho = *h; | |
3011 | |
3012 r->headers_out.content_length = ho; | |
3013 r->headers_out.content_length_n = ngx_atoof(h->value.data, h->value.len); | |
3014 | |
3015 return NGX_OK; | |
3016 } | |
3017 | |
3018 | |
3019 static ngx_int_t | |
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3020 ngx_http_upstream_copy_last_modified(ngx_http_request_t *r, ngx_table_elt_t *h, |
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3021 ngx_uint_t offset) |
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3022 { |
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3023 ngx_table_elt_t *ho; |
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3024 |
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3025 ho = ngx_list_push(&r->headers_out.headers); |
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3026 if (ho == NULL) { |
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3027 return NGX_ERROR; |
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3028 } |
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|
3029 |
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3030 *ho = *h; |
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3031 |
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3032 #if (NGX_HTTP_CACHE) |
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3033 |
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3034 if (r->cached) { |
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3035 r->headers_out.last_modified = ho; |
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diff
changeset
|
3036 r->headers_out.last_modified_time = ngx_http_parse_time(h->value.data, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3037 h->value.len); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3038 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3039 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3040 #endif |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3041 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3042 return NGX_OK; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3043 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3044 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3045 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3046 static ngx_int_t |
509 | 3047 ngx_http_upstream_rewrite_location(ngx_http_request_t *r, ngx_table_elt_t *h, |
3048 ngx_uint_t offset) | |
3049 { | |
3050 ngx_int_t rc; | |
3051 ngx_table_elt_t *ho; | |
3052 | |
3053 ho = ngx_list_push(&r->headers_out.headers); | |
3054 if (ho == NULL) { | |
3055 return NGX_ERROR; | |
3056 } | |
3057 | |
3058 *ho = *h; | |
3059 | |
3060 if (r->upstream->rewrite_redirect) { | |
3061 rc = r->upstream->rewrite_redirect(r, ho, 0); | |
3062 | |
529 | 3063 if (rc == NGX_DECLINED) { |
3064 return NGX_OK; | |
3065 } | |
3066 | |
509 | 3067 if (rc == NGX_OK) { |
3068 r->headers_out.location = ho; | |
3069 | |
3070 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3071 "rewritten location: \"%V\"", &ho->value); | |
3072 } | |
3073 | |
3074 return rc; | |
3075 } | |
3076 | |
1653
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
3077 if (ho->value.data[0] != '/') { |
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
3078 r->headers_out.location = ho; |
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
3079 } |
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
3080 |
509 | 3081 /* |
3082 * we do not set r->headers_out.location here to avoid the handling | |
3083 * the local redirects without a host name by ngx_http_header_filter() | |
3084 */ | |
3085 | |
3086 return NGX_OK; | |
3087 } | |
3088 | |
3089 | |
3090 static ngx_int_t | |
3091 ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, ngx_table_elt_t *h, | |
3092 ngx_uint_t offset) | |
3093 { | |
3094 u_char *p; | |
3095 ngx_int_t rc; | |
3096 ngx_table_elt_t *ho; | |
3097 | |
3098 ho = ngx_list_push(&r->headers_out.headers); | |
3099 if (ho == NULL) { | |
3100 return NGX_ERROR; | |
3101 } | |
3102 | |
3103 *ho = *h; | |
3104 | |
3105 if (r->upstream->rewrite_redirect) { | |
3106 | |
1549 | 3107 p = ngx_strcasestrn(ho->value.data, "url=", 4 - 1); |
509 | 3108 |
3109 if (p) { | |
3110 rc = r->upstream->rewrite_redirect(r, ho, p + 4 - ho->value.data); | |
3111 | |
3112 } else { | |
3113 return NGX_OK; | |
3114 } | |
3115 | |
529 | 3116 if (rc == NGX_DECLINED) { |
3117 return NGX_OK; | |
3118 } | |
3119 | |
509 | 3120 if (rc == NGX_OK) { |
1654 | 3121 r->headers_out.refresh = ho; |
3122 | |
509 | 3123 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
3124 "rewritten refresh: \"%V\"", &ho->value); | |
3125 } | |
3126 | |
3127 return rc; | |
3128 } | |
3129 | |
1654 | 3130 r->headers_out.refresh = ho; |
3131 | |
509 | 3132 return NGX_OK; |
3133 } | |
3134 | |
3135 | |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3136 static ngx_int_t |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3137 ngx_http_upstream_copy_allow_ranges(ngx_http_request_t *r, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3138 ngx_table_elt_t *h, ngx_uint_t offset) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3139 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3140 ngx_table_elt_t *ho; |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
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diff
changeset
|
3141 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
3142 #if (NGX_HTTP_CACHE) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3143 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3144 if (r->cached) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3145 r->allow_ranges = 1; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3146 return NGX_OK; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3147 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
3148 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3149 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3150 #endif |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3151 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3152 ho = ngx_list_push(&r->headers_out.headers); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3153 if (ho == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3154 return NGX_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3155 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3156 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3157 *ho = *h; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3158 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3159 return NGX_OK; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3160 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3161 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3162 |
509 | 3163 #if (NGX_HTTP_GZIP) |
3164 | |
3165 static ngx_int_t | |
3166 ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
3167 ngx_table_elt_t *h, ngx_uint_t offset) | |
3168 { | |
3169 ngx_table_elt_t *ho; | |
3170 | |
3171 ho = ngx_list_push(&r->headers_out.headers); | |
3172 if (ho == NULL) { | |
3173 return NGX_ERROR; | |
3174 } | |
3175 | |
3176 *ho = *h; | |
3177 | |
3178 r->headers_out.content_encoding = ho; | |
3179 | |
3180 return NGX_OK; | |
3181 } | |
3182 | |
3183 #endif | |
3184 | |
3185 | |
487 | 3186 static ngx_int_t |
573 | 3187 ngx_http_upstream_add_variables(ngx_conf_t *cf) |
479 | 3188 { |
880 | 3189 ngx_http_variable_t *var, *v; |
479 | 3190 |
573 | 3191 for (v = ngx_http_upstream_vars; v->name.len; v++) { |
3192 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
3193 if (var == NULL) { | |
3194 return NGX_ERROR; | |
3195 } | |
3196 | |
637 | 3197 var->get_handler = v->get_handler; |
573 | 3198 var->data = v->data; |
3199 } | |
3200 | |
479 | 3201 return NGX_OK; |
3202 } | |
509 | 3203 |
3204 | |
573 | 3205 static ngx_int_t |
1181 | 3206 ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
3207 ngx_http_variable_value_t *v, uintptr_t data) | |
3208 { | |
3209 u_char *p; | |
3210 size_t len; | |
3211 ngx_uint_t i; | |
3212 ngx_http_upstream_state_t *state; | |
3213 | |
3214 v->valid = 1; | |
1565 | 3215 v->no_cacheable = 0; |
1181 | 3216 v->not_found = 0; |
3217 | |
3218 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { | |
3219 v->not_found = 1; | |
3220 return NGX_OK; | |
3221 } | |
3222 | |
3223 len = 0; | |
3224 state = r->upstream_states->elts; | |
3225 | |
3226 for (i = 0; i < r->upstream_states->nelts; i++) { | |
3227 if (state[i].peer) { | |
3228 len += state[i].peer->len + 2; | |
3229 | |
3230 } else { | |
3231 len += 3; | |
3232 } | |
3233 } | |
3234 | |
2049 | 3235 p = ngx_pnalloc(r->pool, len); |
1181 | 3236 if (p == NULL) { |
3237 return NGX_ERROR; | |
3238 } | |
3239 | |
3240 v->data = p; | |
3241 | |
3242 i = 0; | |
3243 | |
3244 for ( ;; ) { | |
3245 if (state[i].peer) { | |
3246 p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len); | |
3247 } | |
3248 | |
3249 if (++i == r->upstream_states->nelts) { | |
3250 break; | |
3251 } | |
3252 | |
3253 if (state[i].peer) { | |
3254 *p++ = ','; | |
3255 *p++ = ' '; | |
3256 | |
3257 } else { | |
3258 *p++ = ' '; | |
3259 *p++ = ':'; | |
3260 *p++ = ' '; | |
3261 | |
3262 if (++i == r->upstream_states->nelts) { | |
3263 break; | |
3264 } | |
3265 | |
3266 continue; | |
3267 } | |
3268 } | |
3269 | |
3270 v->len = p - v->data; | |
3271 | |
3272 return NGX_OK; | |
3273 } | |
3274 | |
3275 | |
3276 static ngx_int_t | |
573 | 3277 ngx_http_upstream_status_variable(ngx_http_request_t *r, |
3278 ngx_http_variable_value_t *v, uintptr_t data) | |
3279 { | |
3280 u_char *p; | |
3281 size_t len; | |
3282 ngx_uint_t i; | |
3283 ngx_http_upstream_state_t *state; | |
3284 | |
3285 v->valid = 1; | |
1565 | 3286 v->no_cacheable = 0; |
573 | 3287 v->not_found = 0; |
3288 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3289 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
573 | 3290 v->not_found = 1; |
3291 return NGX_OK; | |
3292 } | |
3293 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3294 len = r->upstream_states->nelts * (3 + 2); |
573 | 3295 |
2049 | 3296 p = ngx_pnalloc(r->pool, len); |
573 | 3297 if (p == NULL) { |
3298 return NGX_ERROR; | |
3299 } | |
3300 | |
3301 v->data = p; | |
3302 | |
3303 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
|
3304 state = r->upstream_states->elts; |
573 | 3305 |
3306 for ( ;; ) { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3307 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
|
3308 p = ngx_sprintf(p, "%ui", state[i].status); |
573 | 3309 |
3310 } else { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3311 *p++ = '-'; |
573 | 3312 } |
3313 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3314 if (++i == r->upstream_states->nelts) { |
573 | 3315 break; |
3316 } | |
3317 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
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1166
diff
changeset
|
3318 if (state[i].peer) { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
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1166
diff
changeset
|
3319 *p++ = ','; |
4d0d12446c3b
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Igor Sysoev <igor@sysoev.ru>
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1166
diff
changeset
|
3320 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
3321 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
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1166
diff
changeset
|
3322 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
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diff
changeset
|
3323 *p++ = ' '; |
4d0d12446c3b
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Igor Sysoev <igor@sysoev.ru>
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1166
diff
changeset
|
3324 *p++ = ':'; |
4d0d12446c3b
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Igor Sysoev <igor@sysoev.ru>
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1166
diff
changeset
|
3325 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
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diff
changeset
|
3326 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
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1166
diff
changeset
|
3327 if (++i == r->upstream_states->nelts) { |
4d0d12446c3b
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
3328 break; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
3329 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
3330 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
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1166
diff
changeset
|
3331 continue; |
4d0d12446c3b
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diff
changeset
|
3332 } |
573 | 3333 } |
3334 | |
3335 v->len = p - v->data; | |
3336 | |
3337 return NGX_OK; | |
3338 } | |
3339 | |
3340 | |
3341 static ngx_int_t | |
3342 ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
3343 ngx_http_variable_value_t *v, uintptr_t data) | |
3344 { | |
3345 u_char *p; | |
3346 size_t len; | |
3347 ngx_uint_t i; | |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
3348 ngx_msec_int_t ms; |
573 | 3349 ngx_http_upstream_state_t *state; |
3350 | |
3351 v->valid = 1; | |
1565 | 3352 v->no_cacheable = 0; |
573 | 3353 v->not_found = 0; |
3354 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
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parents:
1166
diff
changeset
|
3355 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
573 | 3356 v->not_found = 1; |
3357 return NGX_OK; | |
3358 } | |
3359 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
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1166
diff
changeset
|
3360 len = r->upstream_states->nelts * (NGX_TIME_T_LEN + 4 + 2); |
573 | 3361 |
2049 | 3362 p = ngx_pnalloc(r->pool, len); |
573 | 3363 if (p == NULL) { |
3364 return NGX_ERROR; | |
3365 } | |
3366 | |
3367 v->data = p; | |
3368 | |
3369 i = 0; | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
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1166
diff
changeset
|
3370 state = r->upstream_states->elts; |
573 | 3371 |
3372 for ( ;; ) { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
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1166
diff
changeset
|
3373 if (state[i].status) { |
1640 | 3374 ms = (ngx_msec_int_t) |
3375 (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
|
3376 ms = (ms >= 0) ? ms : 0; |
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
3377 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
|
3378 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3379 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3380 *p++ = '-'; |
573 | 3381 } |
3382 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3383 if (++i == r->upstream_states->nelts) { |
573 | 3384 break; |
3385 } | |
3386 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3387 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
|
3388 *p++ = ','; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3389 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3390 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3391 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3392 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3393 *p++ = ':'; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3394 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3395 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3396 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
|
3397 break; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3398 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3399 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3400 continue; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3401 } |
573 | 3402 } |
3403 | |
3404 v->len = p - v->data; | |
3405 | |
3406 return NGX_OK; | |
3407 } | |
3408 | |
3409 | |
2402 | 3410 static ngx_int_t |
3411 ngx_http_upstream_response_length_variable(ngx_http_request_t *r, | |
3412 ngx_http_variable_value_t *v, uintptr_t data) | |
3413 { | |
3414 u_char *p; | |
3415 size_t len; | |
3416 ngx_uint_t i; | |
3417 ngx_http_upstream_state_t *state; | |
3418 | |
3419 v->valid = 1; | |
3420 v->no_cacheable = 0; | |
3421 v->not_found = 0; | |
3422 | |
3423 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { | |
3424 v->not_found = 1; | |
3425 return NGX_OK; | |
3426 } | |
3427 | |
3428 len = r->upstream_states->nelts * (NGX_OFF_T_LEN + 2); | |
3429 | |
3430 p = ngx_pnalloc(r->pool, len); | |
3431 if (p == NULL) { | |
3432 return NGX_ERROR; | |
3433 } | |
3434 | |
3435 v->data = p; | |
3436 | |
3437 i = 0; | |
3438 state = r->upstream_states->elts; | |
3439 | |
3440 for ( ;; ) { | |
3441 p = ngx_sprintf(p, "%O", state[i].response_length); | |
3442 | |
3443 if (++i == r->upstream_states->nelts) { | |
3444 break; | |
3445 } | |
3446 | |
3447 if (state[i].peer) { | |
3448 *p++ = ','; | |
3449 *p++ = ' '; | |
3450 | |
3451 } else { | |
3452 *p++ = ' '; | |
3453 *p++ = ':'; | |
3454 *p++ = ' '; | |
3455 | |
3456 if (++i == r->upstream_states->nelts) { | |
3457 break; | |
3458 } | |
3459 | |
3460 continue; | |
3461 } | |
3462 } | |
3463 | |
3464 v->len = p - v->data; | |
3465 | |
3466 return NGX_OK; | |
3467 } | |
3468 | |
3469 | |
1162 | 3470 ngx_int_t |
3471 ngx_http_upstream_header_variable(ngx_http_request_t *r, | |
3472 ngx_http_variable_value_t *v, uintptr_t data) | |
3473 { | |
3474 if (r->upstream == NULL) { | |
3475 v->not_found = 1; | |
3476 return NGX_OK; | |
3477 } | |
3478 | |
3479 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
3480 &r->upstream->headers_in.headers.part, | |
3481 sizeof("upstream_http_") - 1); | |
3482 } | |
3483 | |
3484 | |
651 | 3485 static char * |
3486 ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) | |
3487 { | |
884 | 3488 char *rv; |
3489 void *mconf; | |
3490 ngx_str_t *value; | |
3491 ngx_url_t u; | |
3492 ngx_uint_t m; | |
3493 ngx_conf_t pcf; | |
3494 ngx_http_module_t *module; | |
3495 ngx_http_conf_ctx_t *ctx, *http_ctx; | |
3496 ngx_http_upstream_srv_conf_t *uscf; | |
3497 | |
3498 ngx_memzero(&u, sizeof(ngx_url_t)); | |
3499 | |
3500 value = cf->args->elts; | |
3501 u.host = value[1]; | |
3502 u.no_resolve = 1; | |
3503 | |
3504 uscf = ngx_http_upstream_add(cf, &u, NGX_HTTP_UPSTREAM_CREATE | |
3505 |NGX_HTTP_UPSTREAM_WEIGHT | |
3506 |NGX_HTTP_UPSTREAM_MAX_FAILS | |
3507 |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT | |
3508 |NGX_HTTP_UPSTREAM_DOWN | |
3509 |NGX_HTTP_UPSTREAM_BACKUP); | |
3510 if (uscf == NULL) { | |
3511 return NGX_CONF_ERROR; | |
3512 } | |
3513 | |
651 | 3514 |
3515 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); | |
3516 if (ctx == NULL) { | |
3517 return NGX_CONF_ERROR; | |
3518 } | |
3519 | |
884 | 3520 http_ctx = cf->ctx; |
3521 ctx->main_conf = http_ctx->main_conf; | |
651 | 3522 |
3523 /* the upstream{}'s srv_conf */ | |
3524 | |
3525 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
3526 if (ctx->srv_conf == NULL) { | |
3527 return NGX_CONF_ERROR; | |
3528 } | |
3529 | |
3530 ctx->srv_conf[ngx_http_upstream_module.ctx_index] = uscf; | |
3531 | |
884 | 3532 uscf->srv_conf = ctx->srv_conf; |
3533 | |
651 | 3534 |
3535 /* the upstream{}'s loc_conf */ | |
3536 | |
3537 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
3538 if (ctx->loc_conf == NULL) { | |
3539 return NGX_CONF_ERROR; | |
3540 } | |
3541 | |
3542 for (m = 0; ngx_modules[m]; m++) { | |
3543 if (ngx_modules[m]->type != NGX_HTTP_MODULE) { | |
3544 continue; | |
3545 } | |
3546 | |
3547 module = ngx_modules[m]->ctx; | |
3548 | |
884 | 3549 if (module->create_srv_conf) { |
3550 mconf = module->create_srv_conf(cf); | |
3551 if (mconf == NULL) { | |
3552 return NGX_CONF_ERROR; | |
3553 } | |
3554 | |
3555 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
3556 } | |
3557 | |
651 | 3558 if (module->create_loc_conf) { |
3559 mconf = module->create_loc_conf(cf); | |
3560 if (mconf == NULL) { | |
3561 return NGX_CONF_ERROR; | |
3562 } | |
3563 | |
3564 ctx->loc_conf[ngx_modules[m]->ctx_index] = mconf; | |
3565 } | |
3566 } | |
3567 | |
3568 | |
3569 /* parse inside upstream{} */ | |
3570 | |
3571 pcf = *cf; | |
3572 cf->ctx = ctx; | |
3573 cf->cmd_type = NGX_HTTP_UPS_CONF; | |
3574 | |
3575 rv = ngx_conf_parse(cf, NULL); | |
3576 | |
3577 *cf = pcf; | |
3578 | |
3579 if (rv != NGX_CONF_OK) { | |
3580 return rv; | |
3581 } | |
3582 | |
3583 if (uscf->servers == NULL) { | |
3584 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3585 "no servers are inside upstream"); | |
3586 return NGX_CONF_ERROR; | |
3587 } | |
3588 | |
3589 return rv; | |
3590 } | |
3591 | |
3592 | |
3593 static char * | |
3594 ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
3595 { | |
3596 ngx_http_upstream_srv_conf_t *uscf = conf; | |
3597 | |
884 | 3598 time_t fail_timeout; |
3599 ngx_str_t *value, s; | |
3600 ngx_url_t u; | |
3601 ngx_int_t weight, max_fails; | |
3602 ngx_uint_t i; | |
3603 ngx_http_upstream_server_t *us; | |
651 | 3604 |
3605 if (uscf->servers == NULL) { | |
884 | 3606 uscf->servers = ngx_array_create(cf->pool, 4, |
3607 sizeof(ngx_http_upstream_server_t)); | |
651 | 3608 if (uscf->servers == NULL) { |
3609 return NGX_CONF_ERROR; | |
3610 } | |
3611 } | |
3612 | |
884 | 3613 us = ngx_array_push(uscf->servers); |
3614 if (us == NULL) { | |
651 | 3615 return NGX_CONF_ERROR; |
3616 } | |
3617 | |
884 | 3618 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); |
3619 | |
651 | 3620 value = cf->args->elts; |
3621 | |
3622 ngx_memzero(&u, sizeof(ngx_url_t)); | |
3623 | |
3624 u.url = value[1]; | |
906 | 3625 u.default_port = 80; |
651 | 3626 |
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3627 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
651 | 3628 if (u.err) { |
3629 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3630 "%s in upstream \"%V\"", u.err, &u.url); | |
3631 } | |
3632 | |
3633 return NGX_CONF_ERROR; | |
3634 } | |
3635 | |
663 | 3636 weight = 1; |
884 | 3637 max_fails = 1; |
3638 fail_timeout = 10; | |
3639 | |
3640 for (i = 2; i < cf->args->nelts; i++) { | |
3641 | |
3642 if (ngx_strncmp(value[i].data, "weight=", 7) == 0) { | |
3643 | |
3644 if (!(uscf->flags & NGX_HTTP_UPSTREAM_WEIGHT)) { | |
3645 goto invalid; | |
3646 } | |
3647 | |
3648 weight = ngx_atoi(&value[i].data[7], value[i].len - 7); | |
663 | 3649 |
3650 if (weight == NGX_ERROR || weight == 0) { | |
3651 goto invalid; | |
3652 } | |
3653 | |
884 | 3654 continue; |
3655 } | |
3656 | |
3657 if (ngx_strncmp(value[i].data, "max_fails=", 10) == 0) { | |
3658 | |
3659 if (!(uscf->flags & NGX_HTTP_UPSTREAM_MAX_FAILS)) { | |
3660 goto invalid; | |
3661 } | |
3662 | |
3663 max_fails = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
3664 | |
3665 if (max_fails == NGX_ERROR) { | |
3666 goto invalid; | |
3667 } | |
3668 | |
3669 continue; | |
663 | 3670 } |
884 | 3671 |
3672 if (ngx_strncmp(value[i].data, "fail_timeout=", 13) == 0) { | |
3673 | |
3674 if (!(uscf->flags & NGX_HTTP_UPSTREAM_FAIL_TIMEOUT)) { | |
3675 goto invalid; | |
3676 } | |
3677 | |
3678 s.len = value[i].len - 13; | |
3679 s.data = &value[i].data[13]; | |
3680 | |
3681 fail_timeout = ngx_parse_time(&s, 1); | |
3682 | |
1973 | 3683 if (fail_timeout == NGX_ERROR) { |
884 | 3684 goto invalid; |
3685 } | |
3686 | |
3687 continue; | |
3688 } | |
3689 | |
1378 | 3690 if (ngx_strncmp(value[i].data, "backup", 6) == 0) { |
3691 | |
3692 if (!(uscf->flags & NGX_HTTP_UPSTREAM_BACKUP)) { | |
3693 goto invalid; | |
3694 } | |
3695 | |
3696 us->backup = 1; | |
3697 | |
3698 continue; | |
3699 } | |
3700 | |
884 | 3701 if (ngx_strncmp(value[i].data, "down", 4) == 0) { |
3702 | |
3703 if (!(uscf->flags & NGX_HTTP_UPSTREAM_DOWN)) { | |
3704 goto invalid; | |
3705 } | |
3706 | |
3707 us->down = 1; | |
3708 | |
3709 continue; | |
3710 } | |
3711 | |
3712 goto invalid; | |
663 | 3713 } |
3714 | |
884 | 3715 us->addrs = u.addrs; |
3716 us->naddrs = u.naddrs; | |
3717 us->weight = weight; | |
3718 us->max_fails = max_fails; | |
3719 us->fail_timeout = fail_timeout; | |
651 | 3720 |
3721 return NGX_CONF_OK; | |
663 | 3722 |
3723 invalid: | |
3724 | |
884 | 3725 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3726 "invalid parameter \"%V\"", &value[i]); | |
663 | 3727 |
3728 return NGX_CONF_ERROR; | |
651 | 3729 } |
3730 | |
3731 | |
3732 ngx_http_upstream_srv_conf_t * | |
884 | 3733 ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags) |
651 | 3734 { |
3735 ngx_uint_t i; | |
884 | 3736 ngx_http_upstream_server_t *us; |
651 | 3737 ngx_http_upstream_srv_conf_t *uscf, **uscfp; |
3738 ngx_http_upstream_main_conf_t *umcf; | |
3739 | |
884 | 3740 if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) { |
3741 | |
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3742 if (ngx_parse_url(cf->pool, u) != NGX_OK) { |
651 | 3743 if (u->err) { |
3744 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3745 "%s in upstream \"%V\"", u->err, &u->url); | |
3746 } | |
3747 | |
3748 return NULL; | |
3749 } | |
3750 } | |
3751 | |
3752 umcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_upstream_module); | |
3753 | |
3754 uscfp = umcf->upstreams.elts; | |
3755 | |
3756 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
906 | 3757 |
3758 if (uscfp[i]->host.len != u->host.len | |
884 | 3759 || ngx_strncasecmp(uscfp[i]->host.data, u->host.data, u->host.len) |
3760 != 0) | |
3761 { | |
651 | 3762 continue; |
3763 } | |
3764 | |
884 | 3765 if ((flags & NGX_HTTP_UPSTREAM_CREATE) |
3766 && (uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE)) | |
651 | 3767 { |
884 | 3768 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3769 "duplicate upstream \"%V\"", &u->host); | |
3770 return NULL; | |
651 | 3771 } |
884 | 3772 |
906 | 3773 if ((uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE) && u->port) { |
884 | 3774 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
906 | 3775 "upstream \"%V\" may not have port %d", |
3776 &u->host, u->port); | |
3777 return NULL; | |
3778 } | |
3779 | |
3780 if ((flags & NGX_HTTP_UPSTREAM_CREATE) && uscfp[i]->port) { | |
3781 ngx_log_error(NGX_LOG_WARN, cf->log, 0, | |
3782 "upstream \"%V\" may not have port %d in %s:%ui", | |
3783 &u->host, uscfp[i]->port, | |
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3784 uscfp[i]->file_name, uscfp[i]->line); |
906 | 3785 return NULL; |
3786 } | |
3787 | |
3788 if (uscfp[i]->port != u->port) { | |
3789 continue; | |
884 | 3790 } |
3791 | |
1340 | 3792 if (uscfp[i]->default_port && u->default_port |
3793 && uscfp[i]->default_port != u->default_port) | |
3794 { | |
3795 continue; | |
3796 } | |
3797 | |
884 | 3798 return uscfp[i]; |
651 | 3799 } |
3800 | |
3801 uscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_srv_conf_t)); | |
3802 if (uscf == NULL) { | |
3803 return NULL; | |
3804 } | |
3805 | |
884 | 3806 uscf->flags = flags; |
651 | 3807 uscf->host = u->host; |
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
3808 uscf->file_name = cf->conf_file->file.name.data; |
651 | 3809 uscf->line = cf->conf_file->line; |
906 | 3810 uscf->port = u->port; |
3811 uscf->default_port = u->default_port; | |
884 | 3812 |
3813 if (u->naddrs == 1) { | |
3814 uscf->servers = ngx_array_create(cf->pool, 1, | |
3815 sizeof(ngx_http_upstream_server_t)); | |
3816 if (uscf->servers == NULL) { | |
3817 return NGX_CONF_ERROR; | |
3818 } | |
3819 | |
3820 us = ngx_array_push(uscf->servers); | |
3821 if (us == NULL) { | |
3822 return NGX_CONF_ERROR; | |
3823 } | |
3824 | |
3825 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); | |
3826 | |
3827 us->addrs = u->addrs; | |
3828 us->naddrs = u->naddrs; | |
3829 } | |
651 | 3830 |
3831 uscfp = ngx_array_push(&umcf->upstreams); | |
3832 if (uscfp == NULL) { | |
3833 return NULL; | |
3834 } | |
3835 | |
3836 *uscfp = uscf; | |
3837 | |
3838 return uscf; | |
3839 } | |
3840 | |
3841 | |
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3842 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
|
3843 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
|
3844 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
|
3845 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
|
3846 { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3847 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
|
3848 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
|
3849 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
|
3850 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
|
3851 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3852 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
|
3853 && 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
|
3854 { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3855 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
|
3856 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3857 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
|
3858 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
|
3859 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3860 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3861 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
|
3862 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
|
3863 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3864 } else { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3865 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
|
3866 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
|
3867 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3868 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3869 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
|
3870 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
|
3871 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3872 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3873 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3874 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
|
3875 != NGX_OK) |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3876 { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3877 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
|
3878 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3879 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3880 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
|
3881 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
|
3882 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
|
3883 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
|
3884 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3885 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3886 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
|
3887 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
|
3888 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
|
3889 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3890 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3891 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
|
3892 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3893 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
|
3894 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3895 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
|
3896 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3897 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
|
3898 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3899 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
|
3900 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
|
3901 goto exist; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3902 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3903 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3904 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3905 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
|
3906 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
|
3907 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
|
3908 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3909 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3910 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
|
3911 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
|
3912 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
|
3913 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3914 exist: |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3915 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3916 continue; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3917 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3918 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3919 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3920 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
|
3921 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3922 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
|
3923 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
|
3924 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3925 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
|
3926 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
|
3927 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3928 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
|
3929 continue; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3930 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3931 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3932 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
|
3933 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
|
3934 break; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3935 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3936 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3937 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3938 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3939 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3940 hash->hash = &conf->hide_headers_hash; |
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3941 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
|
3942 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
|
3943 hash->temp_pool = NULL; |
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
3944 |
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3945 return ngx_hash_init(hash, hide_headers.elts, hide_headers.nelts); |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3946 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3947 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
3948 |
509 | 3949 static void * |
3950 ngx_http_upstream_create_main_conf(ngx_conf_t *cf) | |
3951 { | |
3952 ngx_http_upstream_main_conf_t *umcf; | |
3953 | |
3954 umcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_main_conf_t)); | |
3955 if (umcf == NULL) { | |
3956 return NULL; | |
3957 } | |
3958 | |
651 | 3959 if (ngx_array_init(&umcf->upstreams, cf->pool, 4, |
3960 sizeof(ngx_http_upstream_srv_conf_t *)) | |
3961 != NGX_OK) | |
3962 { | |
3963 return NGX_CONF_ERROR; | |
3964 } | |
3965 | |
509 | 3966 return umcf; |
3967 } | |
3968 | |
3969 | |
3970 static char * | |
651 | 3971 ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf) |
509 | 3972 { |
3973 ngx_http_upstream_main_conf_t *umcf = conf; | |
3974 | |
651 | 3975 ngx_uint_t i; |
3976 ngx_array_t headers_in; | |
3977 ngx_hash_key_t *hk; | |
3978 ngx_hash_init_t hash; | |
884 | 3979 ngx_http_upstream_init_pt init; |
651 | 3980 ngx_http_upstream_header_t *header; |
3981 ngx_http_upstream_srv_conf_t **uscfp; | |
3982 | |
3983 uscfp = umcf->upstreams.elts; | |
3984 | |
3985 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
884 | 3986 |
3987 init = uscfp[i]->peer.init_upstream ? uscfp[i]->peer.init_upstream: | |
3988 ngx_http_upstream_init_round_robin; | |
3989 | |
3990 if (init(cf, uscfp[i]) != NGX_OK) { | |
651 | 3991 return NGX_CONF_ERROR; |
3992 } | |
3993 } | |
649 | 3994 |
663 | 3995 |
884 | 3996 /* upstream_headers_in_hash */ |
3997 | |
649 | 3998 if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) |
3999 != NGX_OK) | |
509 | 4000 { |
4001 return NGX_CONF_ERROR; | |
4002 } | |
4003 | |
649 | 4004 for (header = ngx_http_upstream_headers_in; header->name.len; header++) { |
4005 hk = ngx_array_push(&headers_in); | |
4006 if (hk == NULL) { | |
4007 return NGX_CONF_ERROR; | |
4008 } | |
4009 | |
4010 hk->key = header->name; | |
4011 hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len); | |
4012 hk->value = header; | |
4013 } | |
4014 | |
4015 hash.hash = &umcf->headers_in_hash; | |
4016 hash.key = ngx_hash_key_lc; | |
4017 hash.max_size = 512; | |
751
bae59a740c40
align hash bucket size to cache line
Igor Sysoev <igor@sysoev.ru>
parents:
750
diff
changeset
|
4018 hash.bucket_size = ngx_align(64, ngx_cacheline_size); |
649 | 4019 hash.name = "upstream_headers_in_hash"; |
4020 hash.pool = cf->pool; | |
4021 hash.temp_pool = NULL; | |
4022 | |
4023 if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) { | |
4024 return NGX_CONF_ERROR; | |
4025 } | |
509 | 4026 |
4027 return NGX_CONF_OK; | |
4028 } |