Mercurial > hg > nginx
annotate src/http/ngx_http_upstream.c @ 3052:6060225e9261
FreeBSD and Linux AIO support
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 28 Aug 2009 08:12:35 +0000 |
parents | f54b02dbb12b |
children | 0d253659da12 |
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); |
2952 | 17 static ngx_int_t ngx_http_upstream_cache_status(ngx_http_request_t *r, |
18 ngx_http_variable_value_t *v, uintptr_t data); | |
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19 #endif |
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20 |
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21 static void ngx_http_upstream_init_request(ngx_http_request_t *r); |
1658 | 22 static void ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx); |
509 | 23 static void ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r); |
24 static void ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r); | |
25 static void ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
26 ngx_event_t *ev); | |
479 | 27 static void ngx_http_upstream_connect(ngx_http_request_t *r, |
487 | 28 ngx_http_upstream_t *u); |
509 | 29 static ngx_int_t ngx_http_upstream_reinit(ngx_http_request_t *r, |
487 | 30 ngx_http_upstream_t *u); |
479 | 31 static void ngx_http_upstream_send_request(ngx_http_request_t *r, |
487 | 32 ngx_http_upstream_t *u); |
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33 static void ngx_http_upstream_send_request_handler(ngx_http_request_t *r, |
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34 ngx_http_upstream_t *u); |
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35 static void ngx_http_upstream_process_header(ngx_http_request_t *r, |
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36 ngx_http_upstream_t *u); |
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37 static ngx_int_t ngx_http_upstream_test_next(ngx_http_request_t *r, |
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38 ngx_http_upstream_t *u); |
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39 static ngx_int_t ngx_http_upstream_intercept_errors(ngx_http_request_t *r, |
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40 ngx_http_upstream_t *u); |
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41 static ngx_int_t ngx_http_upstream_test_connect(ngx_connection_t *c); |
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42 static ngx_int_t ngx_http_upstream_process_headers(ngx_http_request_t *r, |
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43 ngx_http_upstream_t *u); |
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44 static void ngx_http_upstream_process_body_in_memory(ngx_http_request_t *r, |
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45 ngx_http_upstream_t *u); |
479 | 46 static void ngx_http_upstream_send_response(ngx_http_request_t *r, |
487 | 47 ngx_http_upstream_t *u); |
581 | 48 static void |
49 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r); | |
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50 static void |
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51 ngx_http_upstream_process_non_buffered_upstream(ngx_http_request_t *r, |
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52 ngx_http_upstream_t *u); |
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53 static void |
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54 ngx_http_upstream_process_non_buffered_request(ngx_http_request_t *r, |
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55 ngx_uint_t do_write); |
581 | 56 static ngx_int_t ngx_http_upstream_non_buffered_filter_init(void *data); |
57 static ngx_int_t ngx_http_upstream_non_buffered_filter(void *data, | |
58 ssize_t bytes); | |
509 | 59 static void ngx_http_upstream_process_downstream(ngx_http_request_t *r); |
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60 static void ngx_http_upstream_process_upstream(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_process_request(ngx_http_request_t *r); |
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63 static void ngx_http_upstream_store(ngx_http_request_t *r, |
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64 ngx_http_upstream_t *u); |
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65 static void ngx_http_upstream_dummy_handler(ngx_http_request_t *r, |
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66 ngx_http_upstream_t *u); |
479 | 67 static void ngx_http_upstream_next(ngx_http_request_t *r, |
487 | 68 ngx_http_upstream_t *u, ngx_uint_t ft_type); |
569 | 69 static void ngx_http_upstream_cleanup(void *data); |
479 | 70 static void ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
487 | 71 ngx_http_upstream_t *u, ngx_int_t rc); |
479 | 72 |
509 | 73 static ngx_int_t ngx_http_upstream_process_header_line(ngx_http_request_t *r, |
74 ngx_table_elt_t *h, ngx_uint_t offset); | |
75 static ngx_int_t | |
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76 ngx_http_upstream_process_cache_control(ngx_http_request_t *r, |
509 | 77 ngx_table_elt_t *h, ngx_uint_t offset); |
78 static ngx_int_t ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, | |
79 ngx_table_elt_t *h, ngx_uint_t offset); | |
2666 | 80 static ngx_int_t ngx_http_upstream_process_expires(ngx_http_request_t *r, |
81 ngx_table_elt_t *h, ngx_uint_t offset); | |
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82 static ngx_int_t ngx_http_upstream_process_accel_expires(ngx_http_request_t *r, |
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83 ngx_table_elt_t *h, ngx_uint_t offset); |
527 | 84 static ngx_int_t ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, |
85 ngx_table_elt_t *h, ngx_uint_t offset); | |
649 | 86 static ngx_int_t ngx_http_upstream_process_buffering(ngx_http_request_t *r, |
509 | 87 ngx_table_elt_t *h, ngx_uint_t offset); |
657 | 88 static ngx_int_t ngx_http_upstream_process_charset(ngx_http_request_t *r, |
89 ngx_table_elt_t *h, ngx_uint_t offset); | |
649 | 90 static ngx_int_t ngx_http_upstream_copy_header_line(ngx_http_request_t *r, |
509 | 91 ngx_table_elt_t *h, ngx_uint_t offset); |
92 static ngx_int_t | |
93 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
94 ngx_table_elt_t *h, ngx_uint_t offset); | |
95 static ngx_int_t ngx_http_upstream_copy_content_type(ngx_http_request_t *r, | |
96 ngx_table_elt_t *h, ngx_uint_t offset); | |
97 static ngx_int_t ngx_http_upstream_copy_content_length(ngx_http_request_t *r, | |
98 ngx_table_elt_t *h, ngx_uint_t offset); | |
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99 static ngx_int_t ngx_http_upstream_copy_last_modified(ngx_http_request_t *r, |
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100 ngx_table_elt_t *h, ngx_uint_t offset); |
509 | 101 static ngx_int_t ngx_http_upstream_rewrite_location(ngx_http_request_t *r, |
102 ngx_table_elt_t *h, ngx_uint_t offset); | |
103 static ngx_int_t ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, | |
104 ngx_table_elt_t *h, ngx_uint_t offset); | |
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105 static ngx_int_t ngx_http_upstream_copy_allow_ranges(ngx_http_request_t *r, |
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106 ngx_table_elt_t *h, ngx_uint_t offset); |
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107 |
509 | 108 #if (NGX_HTTP_GZIP) |
109 static ngx_int_t ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
110 ngx_table_elt_t *h, ngx_uint_t offset); | |
111 #endif | |
112 | |
573 | 113 static ngx_int_t ngx_http_upstream_add_variables(ngx_conf_t *cf); |
1181 | 114 static ngx_int_t ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
115 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 116 static ngx_int_t ngx_http_upstream_status_variable(ngx_http_request_t *r, |
117 ngx_http_variable_value_t *v, uintptr_t data); | |
118 static ngx_int_t ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
119 ngx_http_variable_value_t *v, uintptr_t data); | |
2402 | 120 static ngx_int_t ngx_http_upstream_response_length_variable( |
121 ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 122 |
651 | 123 static char *ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy); |
124 static char *ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
125 void *conf); | |
126 | |
509 | 127 static void *ngx_http_upstream_create_main_conf(ngx_conf_t *cf); |
651 | 128 static char *ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf); |
509 | 129 |
577 | 130 #if (NGX_HTTP_SSL) |
591 | 131 static void ngx_http_upstream_ssl_init_connection(ngx_http_request_t *, |
132 ngx_http_upstream_t *u, ngx_connection_t *c); | |
577 | 133 static void ngx_http_upstream_ssl_handshake(ngx_connection_t *c); |
134 #endif | |
135 | |
509 | 136 |
137 ngx_http_upstream_header_t ngx_http_upstream_headers_in[] = { | |
138 | |
139 { ngx_string("Status"), | |
140 ngx_http_upstream_process_header_line, | |
141 offsetof(ngx_http_upstream_headers_in_t, status), | |
649 | 142 ngx_http_upstream_copy_header_line, 0, 0 }, |
509 | 143 |
144 { ngx_string("Content-Type"), | |
145 ngx_http_upstream_process_header_line, | |
146 offsetof(ngx_http_upstream_headers_in_t, content_type), | |
673 | 147 ngx_http_upstream_copy_content_type, 0, 1 }, |
509 | 148 |
149 { ngx_string("Content-Length"), | |
150 ngx_http_upstream_process_header_line, | |
151 offsetof(ngx_http_upstream_headers_in_t, content_length), | |
515 | 152 ngx_http_upstream_copy_content_length, 0, 0 }, |
509 | 153 |
154 { ngx_string("Date"), | |
155 ngx_http_upstream_process_header_line, | |
156 offsetof(ngx_http_upstream_headers_in_t, date), | |
649 | 157 ngx_http_upstream_copy_header_line, |
158 offsetof(ngx_http_headers_out_t, date), 0 }, | |
509 | 159 |
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160 { ngx_string("Last-Modified"), |
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161 ngx_http_upstream_process_header_line, |
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162 offsetof(ngx_http_upstream_headers_in_t, last_modified), |
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163 ngx_http_upstream_copy_last_modified, 0, 0 }, |
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164 |
3037 | 165 { ngx_string("ETag"), |
166 ngx_http_upstream_process_header_line, | |
167 offsetof(ngx_http_upstream_headers_in_t, etag), | |
168 ngx_http_upstream_copy_header_line, | |
169 offsetof(ngx_http_headers_out_t, etag), 0 }, | |
170 | |
509 | 171 { ngx_string("Server"), |
172 ngx_http_upstream_process_header_line, | |
173 offsetof(ngx_http_upstream_headers_in_t, server), | |
649 | 174 ngx_http_upstream_copy_header_line, |
175 offsetof(ngx_http_headers_out_t, server), 0 }, | |
509 | 176 |
529 | 177 { ngx_string("WWW-Authenticate"), |
178 ngx_http_upstream_process_header_line, | |
179 offsetof(ngx_http_upstream_headers_in_t, www_authenticate), | |
180 ngx_http_upstream_copy_header_line, 0, 0 }, | |
181 | |
509 | 182 { ngx_string("Location"), |
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183 ngx_http_upstream_process_header_line, |
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184 offsetof(ngx_http_upstream_headers_in_t, location), |
515 | 185 ngx_http_upstream_rewrite_location, 0, 0 }, |
509 | 186 |
187 { ngx_string("Refresh"), | |
188 ngx_http_upstream_ignore_header_line, 0, | |
515 | 189 ngx_http_upstream_rewrite_refresh, 0, 0 }, |
190 | |
191 { ngx_string("Set-Cookie"), | |
192 ngx_http_upstream_ignore_header_line, 0, | |
531 | 193 ngx_http_upstream_copy_header_line, 0, 1 }, |
194 | |
195 { ngx_string("Content-Disposition"), | |
196 ngx_http_upstream_ignore_header_line, 0, | |
197 ngx_http_upstream_copy_header_line, 0, 1 }, | |
509 | 198 |
199 { ngx_string("Cache-Control"), | |
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200 ngx_http_upstream_process_cache_control, 0, |
509 | 201 ngx_http_upstream_copy_multi_header_lines, |
515 | 202 offsetof(ngx_http_headers_out_t, cache_control), 1 }, |
509 | 203 |
573 | 204 { ngx_string("Expires"), |
2666 | 205 ngx_http_upstream_process_expires, 0, |
573 | 206 ngx_http_upstream_copy_header_line, |
207 offsetof(ngx_http_headers_out_t, expires), 1 }, | |
208 | |
577 | 209 { ngx_string("Accept-Ranges"), |
210 ngx_http_upstream_process_header_line, | |
211 offsetof(ngx_http_upstream_headers_in_t, accept_ranges), | |
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212 ngx_http_upstream_copy_allow_ranges, |
577 | 213 offsetof(ngx_http_headers_out_t, accept_ranges), 1 }, |
214 | |
509 | 215 { ngx_string("Connection"), |
216 ngx_http_upstream_ignore_header_line, 0, | |
515 | 217 ngx_http_upstream_ignore_header_line, 0, 0 }, |
509 | 218 |
641 | 219 { ngx_string("Keep-Alive"), |
220 ngx_http_upstream_ignore_header_line, 0, | |
221 ngx_http_upstream_ignore_header_line, 0, 0 }, | |
222 | |
509 | 223 { ngx_string("X-Powered-By"), |
224 ngx_http_upstream_ignore_header_line, 0, | |
649 | 225 ngx_http_upstream_copy_header_line, 0, 0 }, |
509 | 226 |
227 { ngx_string("X-Accel-Expires"), | |
2664 | 228 ngx_http_upstream_process_accel_expires, 0, |
649 | 229 ngx_http_upstream_copy_header_line, 0, 0 }, |
515 | 230 |
231 { ngx_string("X-Accel-Redirect"), | |
232 ngx_http_upstream_process_header_line, | |
233 offsetof(ngx_http_upstream_headers_in_t, x_accel_redirect), | |
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234 ngx_http_upstream_copy_header_line, 0, 0 }, |
509 | 235 |
527 | 236 { ngx_string("X-Accel-Limit-Rate"), |
237 ngx_http_upstream_process_limit_rate, 0, | |
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238 ngx_http_upstream_copy_header_line, 0, 0 }, |
527 | 239 |
649 | 240 { ngx_string("X-Accel-Buffering"), |
241 ngx_http_upstream_process_buffering, 0, | |
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242 ngx_http_upstream_copy_header_line, 0, 0 }, |
649 | 243 |
657 | 244 { ngx_string("X-Accel-Charset"), |
245 ngx_http_upstream_process_charset, 0, | |
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246 ngx_http_upstream_copy_header_line, 0, 0 }, |
657 | 247 |
509 | 248 #if (NGX_HTTP_GZIP) |
249 { ngx_string("Content-Encoding"), | |
250 ngx_http_upstream_process_header_line, | |
251 offsetof(ngx_http_upstream_headers_in_t, content_encoding), | |
515 | 252 ngx_http_upstream_copy_content_encoding, 0, 0 }, |
509 | 253 #endif |
254 | |
515 | 255 { ngx_null_string, NULL, 0, NULL, 0, 0 } |
509 | 256 }; |
479 | 257 |
258 | |
651 | 259 static ngx_command_t ngx_http_upstream_commands[] = { |
260 | |
261 { ngx_string("upstream"), | |
262 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1, | |
263 ngx_http_upstream, | |
264 0, | |
265 0, | |
266 NULL }, | |
267 | |
268 { ngx_string("server"), | |
884 | 269 NGX_HTTP_UPS_CONF|NGX_CONF_1MORE, |
651 | 270 ngx_http_upstream_server, |
271 NGX_HTTP_SRV_CONF_OFFSET, | |
272 0, | |
273 NULL }, | |
274 | |
275 ngx_null_command | |
276 }; | |
277 | |
278 | |
279 static ngx_http_module_t ngx_http_upstream_module_ctx = { | |
573 | 280 ngx_http_upstream_add_variables, /* preconfiguration */ |
509 | 281 NULL, /* postconfiguration */ |
282 | |
283 ngx_http_upstream_create_main_conf, /* create main configuration */ | |
651 | 284 ngx_http_upstream_init_main_conf, /* init main configuration */ |
479 | 285 |
286 NULL, /* create server configuration */ | |
287 NULL, /* merge server configuration */ | |
288 | |
289 NULL, /* create location configuration */ | |
290 NULL /* merge location configuration */ | |
291 }; | |
577 | 292 |
479 | 293 |
294 ngx_module_t ngx_http_upstream_module = { | |
509 | 295 NGX_MODULE_V1, |
479 | 296 &ngx_http_upstream_module_ctx, /* module context */ |
651 | 297 ngx_http_upstream_commands, /* module directives */ |
479 | 298 NGX_HTTP_MODULE, /* module type */ |
541 | 299 NULL, /* init master */ |
479 | 300 NULL, /* init module */ |
541 | 301 NULL, /* init process */ |
302 NULL, /* init thread */ | |
303 NULL, /* exit thread */ | |
304 NULL, /* exit process */ | |
305 NULL, /* exit master */ | |
306 NGX_MODULE_V1_PADDING | |
479 | 307 }; |
308 | |
309 | |
573 | 310 static ngx_http_variable_t ngx_http_upstream_vars[] = { |
311 | |
1181 | 312 { ngx_string("upstream_addr"), NULL, |
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313 ngx_http_upstream_addr_variable, 0, |
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314 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
1181 | 315 |
637 | 316 { ngx_string("upstream_status"), NULL, |
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317 ngx_http_upstream_status_variable, 0, |
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318 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
573 | 319 |
637 | 320 { ngx_string("upstream_response_time"), NULL, |
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321 ngx_http_upstream_response_time_variable, 0, |
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322 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
573 | 323 |
2402 | 324 { ngx_string("upstream_response_length"), NULL, |
325 ngx_http_upstream_response_length_variable, 0, | |
326 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
327 | |
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328 #if (NGX_HTTP_CACHE) |
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329 |
2952 | 330 { ngx_string("upstream_cache_status"), NULL, |
331 ngx_http_upstream_cache_status, 0, | |
332 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
333 | |
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334 #endif |
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335 |
637 | 336 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
573 | 337 }; |
338 | |
339 | |
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340 static ngx_http_upstream_next_t ngx_http_upstream_next_errors[] = { |
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341 { 500, NGX_HTTP_UPSTREAM_FT_HTTP_500 }, |
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342 { 502, NGX_HTTP_UPSTREAM_FT_HTTP_502 }, |
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343 { 503, NGX_HTTP_UPSTREAM_FT_HTTP_503 }, |
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344 { 504, NGX_HTTP_UPSTREAM_FT_HTTP_504 }, |
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345 { 404, NGX_HTTP_UPSTREAM_FT_HTTP_404 }, |
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346 { 0, 0 } |
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347 }; |
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348 |
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349 |
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350 ngx_conf_bitmask_t ngx_http_upstream_cache_method_mask[] = { |
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351 { ngx_string("GET"), NGX_HTTP_GET}, |
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352 { ngx_string("HEAD"), NGX_HTTP_HEAD }, |
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353 { ngx_string("POST"), NGX_HTTP_POST }, |
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354 { ngx_null_string, 0 } |
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355 }; |
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356 |
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357 |
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358 ngx_int_t |
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359 ngx_http_upstream_create(ngx_http_request_t *r) |
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360 { |
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361 ngx_http_upstream_t *u; |
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362 |
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363 u = r->upstream; |
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364 |
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365 if (u && u->cleanup) { |
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366 ngx_http_upstream_cleanup(r); |
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367 *u->cleanup = NULL; |
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368 } |
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369 |
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370 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t)); |
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371 if (u == NULL) { |
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372 return NGX_ERROR; |
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373 } |
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374 |
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375 r->upstream = u; |
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376 |
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377 u->peer.log = r->connection->log; |
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378 u->peer.log_error = NGX_ERROR_ERR; |
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379 #if (NGX_THREADS) |
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380 u->peer.lock = &r->connection->lock; |
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381 #endif |
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382 |
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383 return NGX_OK; |
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384 } |
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385 |
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386 |
487 | 387 void |
388 ngx_http_upstream_init(ngx_http_request_t *r) | |
479 | 389 { |
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390 ngx_connection_t *c; |
479 | 391 |
392 c = r->connection; | |
393 | |
394 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
395 "http init upstream, client timer: %d", c->read->timer_set); | |
396 | |
397 if (c->read->timer_set) { | |
398 ngx_del_timer(c->read); | |
399 } | |
400 | |
401 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { | |
402 | |
403 if (!c->write->active) { | |
531 | 404 if (ngx_add_event(c->write, NGX_WRITE_EVENT, NGX_CLEAR_EVENT) |
405 == NGX_ERROR) | |
479 | 406 { |
407 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
408 return; | |
409 } | |
410 } | |
411 } | |
412 | |
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413 ngx_http_upstream_init_request(r); |
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414 } |
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415 |
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416 |
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417 static void |
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418 ngx_http_upstream_init_request(ngx_http_request_t *r) |
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419 { |
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420 ngx_str_t *host; |
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421 ngx_uint_t i; |
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422 ngx_resolver_ctx_t *ctx, temp; |
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423 ngx_http_cleanup_t *cln; |
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424 ngx_http_upstream_t *u; |
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425 ngx_http_core_loc_conf_t *clcf; |
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426 ngx_http_upstream_srv_conf_t *uscf, **uscfp; |
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427 ngx_http_upstream_main_conf_t *umcf; |
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428 |
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429 if (r->aio) { |
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430 return; |
537 | 431 } |
509 | 432 |
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433 u = r->upstream; |
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434 |
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435 #if (NGX_HTTP_CACHE) |
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436 |
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437 if (u->conf->cache) { |
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438 ngx_int_t rc; |
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439 |
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440 rc = ngx_http_upstream_cache(r, u); |
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441 |
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442 if (rc == NGX_AGAIN) { |
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443 r->write_event_handler = ngx_http_upstream_init_request; |
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444 return; |
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445 } |
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446 |
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447 if (rc == NGX_DONE) { |
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448 return; |
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449 } |
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450 |
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451 if (rc != NGX_DECLINED) { |
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452 ngx_http_finalize_request(r, rc); |
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453 return; |
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454 } |
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455 } |
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456 |
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457 #endif |
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458 |
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459 u->store = (u->conf->store || u->conf->store_lengths); |
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460 |
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461 if (!u->store && !r->post_action && !u->conf->ignore_client_abort) { |
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462 r->read_event_handler = ngx_http_upstream_rd_check_broken_connection; |
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463 r->write_event_handler = ngx_http_upstream_wr_check_broken_connection; |
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464 } |
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465 |
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466 if (r->request_body) { |
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467 u->request_bufs = r->request_body->bufs; |
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468 } |
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469 |
537 | 470 if (u->create_request(r) != NGX_OK) { |
479 | 471 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
472 return; | |
473 } | |
474 | |
509 | 475 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
479 | 476 |
477 u->output.pool = r->pool; | |
478 u->output.bufs.num = 1; | |
509 | 479 u->output.bufs.size = clcf->client_body_buffer_size; |
479 | 480 u->output.output_filter = ngx_chain_writer; |
481 u->output.filter_ctx = &u->writer; | |
482 | |
483 u->writer.pool = r->pool; | |
484 | |
1168
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485 if (r->upstream_states == NULL) { |
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486 |
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487 r->upstream_states = ngx_array_create(r->pool, 1, |
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488 sizeof(ngx_http_upstream_state_t)); |
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489 if (r->upstream_states == NULL) { |
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490 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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491 return; |
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492 } |
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493 |
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494 } else { |
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495 |
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496 u->state = ngx_array_push(r->upstream_states); |
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497 if (u->state == NULL) { |
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498 ngx_http_upstream_finalize_request(r, u, |
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499 NGX_HTTP_INTERNAL_SERVER_ERROR); |
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500 return; |
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501 } |
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502 |
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503 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); |
479 | 504 } |
505 | |
593 | 506 cln = ngx_http_cleanup_add(r, 0); |
569 | 507 if (cln == NULL) { |
508 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
509 return; | |
510 } | |
511 | |
512 cln->handler = ngx_http_upstream_cleanup; | |
513 cln->data = r; | |
514 u->cleanup = &cln->handler; | |
515 | |
1658 | 516 if (u->resolved == NULL) { |
517 | |
518 uscf = u->conf->upstream; | |
519 | |
520 } else { | |
521 | |
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522 if (u->resolved->sockaddr) { |
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523 |
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524 if (ngx_http_upstream_create_round_robin_peer(r, u->resolved) |
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525 != NGX_OK) |
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526 { |
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527 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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528 return; |
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529 } |
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530 |
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531 ngx_http_upstream_connect(r, u); |
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532 |
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533 return; |
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534 } |
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535 |
1705 | 536 host = &u->resolved->host; |
1658 | 537 |
538 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
539 | |
540 uscfp = umcf->upstreams.elts; | |
541 | |
542 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
543 | |
544 uscf = uscfp[i]; | |
545 | |
546 if (uscf->host.len == host->len | |
2285 | 547 && ((uscf->port == 0 && u->resolved->no_port) |
1912 | 548 || uscf->port == u->resolved->port) |
1658 | 549 && ngx_memcmp(uscf->host.data, host->data, host->len) == 0) |
550 { | |
551 goto found; | |
552 } | |
553 } | |
554 | |
555 temp.name = *host; | |
556 | |
557 ctx = ngx_resolve_start(clcf->resolver, &temp); | |
558 if (ctx == NULL) { | |
559 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
560 return; | |
561 } | |
562 | |
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563 if (ctx == NGX_NO_RESOLVER) { |
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564 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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565 "no resolver defined to resolve %V", host); |
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566 |
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567 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); |
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|
568 return; |
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|
569 } |
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|
570 |
1658 | 571 ctx->name = *host; |
572 ctx->type = NGX_RESOLVE_A; | |
573 ctx->handler = ngx_http_upstream_resolve_handler; | |
574 ctx->data = r; | |
575 ctx->timeout = clcf->resolver_timeout; | |
576 | |
1959
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quick resolving handles u->resolved->ctx by itself
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|
577 u->resolved->ctx = ctx; |
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578 |
1658 | 579 if (ngx_resolve_name(ctx) != NGX_OK) { |
1959
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580 u->resolved->ctx = NULL; |
1658 | 581 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
582 return; | |
583 } | |
584 | |
585 return; | |
586 } | |
587 | |
588 found: | |
589 | |
590 if (uscf->peer.init(r, uscf) != NGX_OK) { | |
591 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
592 return; | |
593 } | |
594 | |
479 | 595 ngx_http_upstream_connect(r, u); |
596 } | |
597 | |
598 | |
2592
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599 #if (NGX_HTTP_CACHE) |
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|
600 |
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601 static ngx_int_t |
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602 ngx_http_upstream_cache(ngx_http_request_t *r, ngx_http_upstream_t *u) |
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603 { |
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604 ngx_int_t rc; |
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605 ngx_http_cache_t *c; |
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606 |
2875
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|
607 if (!(r->method & u->conf->cache_methods)) { |
2662 | 608 return NGX_DECLINED; |
609 } | |
610 | |
2701 | 611 if (r->method & NGX_HTTP_HEAD) { |
612 u->method = ngx_http_core_get_method; | |
613 } | |
614 | |
2592
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615 c = ngx_pcalloc(r->pool, sizeof(ngx_http_cache_t)); |
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616 if (c == NULL) { |
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617 return NGX_ERROR; |
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618 } |
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619 |
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620 if (ngx_array_init(&c->keys, r->pool, 4, sizeof(ngx_str_t)) != NGX_OK) { |
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621 return NGX_ERROR; |
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622 } |
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|
623 |
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624 r->cache = c; |
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625 c->file.log = r->connection->log; |
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|
626 |
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627 if (u->create_key(r) != NGX_OK) { |
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628 return NGX_ERROR; |
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629 } |
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|
630 |
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|
631 /* TODO: add keys */ |
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|
632 |
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633 ngx_http_file_cache_create_key(r); |
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634 |
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635 u->cacheable = 1; |
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|
636 |
2874 | 637 c->min_uses = u->conf->cache_min_uses; |
638 c->body_start = u->conf->buffer_size; | |
2592
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639 c->file_cache = u->conf->cache->data; |
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640 |
2952 | 641 u->cache_status = NGX_HTTP_CACHE_MISS; |
642 | |
2592
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643 rc = ngx_http_file_cache_open(r); |
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644 |
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645 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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646 "http upstream cache: %i", rc); |
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647 |
2952 | 648 switch (rc) { |
649 | |
650 case NGX_HTTP_CACHE_UPDATING: | |
651 | |
2927
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652 if (u->conf->cache_use_stale & NGX_HTTP_UPSTREAM_FT_UPDATING) { |
2952 | 653 u->cache_status = rc; |
2927
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654 rc = NGX_OK; |
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655 |
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656 } else { |
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657 rc = NGX_HTTP_CACHE_STALE; |
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658 } |
2952 | 659 |
660 break; | |
661 | |
662 case NGX_OK: | |
663 u->cache_status = NGX_HTTP_CACHE_HIT; | |
2927
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664 } |
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665 |
2952 | 666 switch (rc) { |
667 | |
668 case NGX_OK: | |
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669 |
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670 rc = ngx_http_upstream_cache_send(r, u); |
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671 |
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672 if (rc != NGX_HTTP_UPSTREAM_INVALID_HEADER) { |
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673 return rc; |
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674 } |
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675 |
2952 | 676 break; |
677 | |
678 case NGX_HTTP_CACHE_STALE: | |
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679 |
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680 c->valid_sec = 0; |
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681 u->buffer.start = NULL; |
2952 | 682 u->cache_status = NGX_HTTP_CACHE_EXPIRED; |
683 | |
684 break; | |
685 | |
686 case NGX_DECLINED: | |
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687 |
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688 if ((size_t) (u->buffer.end - u->buffer.start) < u->conf->buffer_size) { |
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689 u->buffer.start = NULL; |
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690 |
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691 } else { |
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692 u->buffer.pos = u->buffer.start + c->header_start; |
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693 u->buffer.last = u->buffer.pos; |
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694 } |
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695 |
2952 | 696 break; |
697 | |
3052
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698 case NGX_HTTP_CACHE_SCARCE: |
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699 |
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700 u->cacheable = 0; |
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701 |
2952 | 702 break; |
703 | |
3052
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704 case NGX_AGAIN: |
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|
705 |
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|
706 return NGX_AGAIN; |
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|
707 |
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708 case NGX_ERROR: |
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|
709 |
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|
710 return NGX_ERROR; |
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|
711 |
2952 | 712 default: |
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|
713 |
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714 /* cached NGX_HTTP_BAD_GATEWAY, NGX_HTTP_GATEWAY_TIME_OUT, etc. */ |
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715 |
2952 | 716 u->cache_status = NGX_HTTP_CACHE_HIT; |
717 | |
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718 return rc; |
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719 } |
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|
720 |
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721 r->cached = 0; |
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722 |
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723 return NGX_DECLINED; |
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724 } |
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|
725 |
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|
726 |
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727 static ngx_int_t |
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728 ngx_http_upstream_cache_send(ngx_http_request_t *r, ngx_http_upstream_t *u) |
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729 { |
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730 ngx_int_t rc; |
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731 ngx_http_cache_t *c; |
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|
732 |
2952 | 733 r->cached = 1; |
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734 c = r->cache; |
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|
735 |
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|
736 /* TODO: cache stack */ |
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737 |
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738 u->buffer = *c->buf; |
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739 u->buffer.pos += c->header_start; |
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|
740 |
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741 ngx_memzero(&u->headers_in, sizeof(ngx_http_upstream_headers_in_t)); |
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742 |
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743 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, |
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744 sizeof(ngx_table_elt_t)) |
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745 != NGX_OK) |
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746 { |
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747 return NGX_ERROR; |
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748 } |
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|
749 |
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750 rc = u->process_header(r); |
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|
751 |
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752 if (rc == NGX_OK) { |
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|
753 |
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754 if (ngx_http_upstream_process_headers(r, u) != NGX_OK) { |
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755 return NGX_DONE; |
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|
756 } |
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|
757 |
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758 return ngx_http_cache_send(r); |
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759 } |
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|
760 |
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761 if (rc == NGX_ERROR) { |
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762 return NGX_ERROR; |
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763 } |
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764 |
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765 /* rc == NGX_HTTP_UPSTREAM_INVALID_HEADER */ |
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766 |
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|
767 /* TODO: delete file */ |
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|
768 |
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|
769 return rc; |
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|
770 } |
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|
771 |
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|
772 #endif |
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773 |
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774 |
487 | 775 static void |
1658 | 776 ngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx) |
777 { | |
778 ngx_http_request_t *r; | |
779 ngx_http_upstream_resolved_t *ur; | |
780 | |
781 r = ctx->data; | |
782 | |
783 r->upstream->resolved->ctx = NULL; | |
784 | |
785 if (ctx->state) { | |
786 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
787 "%V could not be resolved (%i: %s)", | |
788 &ctx->name, ctx->state, | |
789 ngx_resolver_strerror(ctx->state)); | |
790 | |
791 ngx_resolve_name_done(ctx); | |
792 ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY); | |
793 return; | |
794 } | |
795 | |
796 ur = r->upstream->resolved; | |
797 ur->naddrs = ctx->naddrs; | |
798 ur->addrs = ctx->addrs; | |
799 | |
800 #if (NGX_DEBUG) | |
801 { | |
802 in_addr_t addr; | |
803 ngx_uint_t i; | |
804 | |
805 for (i = 0; i < ctx->naddrs; i++) { | |
806 addr = ntohl(ur->addrs[i]); | |
807 | |
808 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
809 "name was resolved to %ud.%ud.%ud.%ud", | |
810 (addr >> 24) & 0xff, (addr >> 16) & 0xff, | |
811 (addr >> 8) & 0xff, addr & 0xff); | |
812 } | |
813 } | |
814 #endif | |
815 | |
816 if (ngx_http_upstream_create_round_robin_peer(r, ur) != NGX_OK) { | |
817 ngx_resolve_name_done(ctx); | |
818 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
819 return; | |
820 } | |
821 | |
822 ngx_resolve_name_done(ctx); | |
823 | |
824 ngx_http_upstream_connect(r, r->upstream); | |
825 } | |
826 | |
827 | |
828 static void | |
2377
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829 ngx_http_upstream_handler(ngx_event_t *ev) |
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830 { |
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|
831 ngx_connection_t *c; |
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832 ngx_http_request_t *r; |
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833 ngx_http_log_ctx_t *ctx; |
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834 ngx_http_upstream_t *u; |
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835 |
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836 c = ev->data; |
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837 r = c->data; |
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838 |
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839 u = r->upstream; |
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840 c = r->connection; |
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841 |
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842 ctx = c->log->data; |
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843 ctx->current_request = r; |
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844 |
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845 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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846 "http upstream request: \"%V?%V\"", &r->uri, &r->args); |
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847 |
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848 if (ev->write) { |
2386
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849 u->write_event_handler(r, u); |
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850 |
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851 } else { |
2386
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852 u->read_event_handler(r, u); |
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853 } |
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854 |
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855 ngx_http_run_posted_requests(c); |
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856 } |
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857 |
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858 |
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859 static void |
509 | 860 ngx_http_upstream_rd_check_broken_connection(ngx_http_request_t *r) |
861 { | |
862 ngx_http_upstream_check_broken_connection(r, r->connection->read); | |
863 } | |
864 | |
865 | |
866 static void | |
867 ngx_http_upstream_wr_check_broken_connection(ngx_http_request_t *r) | |
868 { | |
869 ngx_http_upstream_check_broken_connection(r, r->connection->write); | |
870 } | |
871 | |
872 | |
873 static void | |
874 ngx_http_upstream_check_broken_connection(ngx_http_request_t *r, | |
875 ngx_event_t *ev) | |
479 | 876 { |
877 int n; | |
878 char buf[1]; | |
577 | 879 ngx_err_t err; |
2807
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880 ngx_int_t event; |
479 | 881 ngx_connection_t *c; |
882 ngx_http_upstream_t *u; | |
883 | |
527 | 884 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
885 "http upstream check client, write event:%d, \"%V\"", | |
886 ev->write, &r->uri); | |
479 | 887 |
509 | 888 c = r->connection; |
483 | 889 u = r->upstream; |
890 | |
583 | 891 if (c->error) { |
2807
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892 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { |
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893 |
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894 event = ev->write ? NGX_WRITE_EVENT : NGX_READ_EVENT; |
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895 |
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896 if (ngx_del_event(ev, event, 0) != NGX_OK) { |
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897 ngx_http_upstream_finalize_request(r, u, |
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898 NGX_HTTP_INTERNAL_SERVER_ERROR); |
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899 return; |
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900 } |
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901 } |
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902 |
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903 if (!u->cacheable) { |
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904 ngx_http_upstream_finalize_request(r, u, |
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905 NGX_HTTP_CLIENT_CLOSED_REQUEST); |
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906 } |
2807
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907 |
527 | 908 return; |
909 } | |
910 | |
483 | 911 if (u->peer.connection == NULL) { |
912 return; | |
913 } | |
914 | |
479 | 915 #if (NGX_HAVE_KQUEUE) |
916 | |
917 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
918 | |
919 if (!ev->pending_eof) { | |
920 return; | |
921 } | |
922 | |
923 ev->eof = 1; | |
583 | 924 c->error = 1; |
479 | 925 |
926 if (ev->kq_errno) { | |
927 ev->error = 1; | |
928 } | |
929 | |
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930 if (!u->cacheable && u->peer.connection) { |
479 | 931 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, |
527 | 932 "kevent() reported that client closed prematurely " |
933 "connection, so upstream connection is closed too"); | |
479 | 934 ngx_http_upstream_finalize_request(r, u, |
935 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
936 return; | |
937 } | |
938 | |
939 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno, | |
940 "kevent() reported that client closed " | |
941 "prematurely connection"); | |
942 | |
943 if (u->peer.connection == NULL) { | |
944 ngx_http_upstream_finalize_request(r, u, | |
945 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
946 return; | |
947 } | |
948 | |
949 return; | |
950 } | |
951 | |
952 #endif | |
953 | |
954 n = recv(c->fd, buf, 1, MSG_PEEK); | |
955 | |
956 err = ngx_socket_errno; | |
957 | |
1109 | 958 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, err, |
959 "http upstream recv(): %d", n); | |
960 | |
479 | 961 if (ev->write && (n >= 0 || err == NGX_EAGAIN)) { |
962 return; | |
963 } | |
964 | |
965 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { | |
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966 |
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967 event = ev->write ? NGX_WRITE_EVENT : NGX_READ_EVENT; |
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968 |
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969 if (ngx_del_event(ev, event, 0) != NGX_OK) { |
479 | 970 ngx_http_upstream_finalize_request(r, u, |
971 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
972 return; | |
973 } | |
974 } | |
975 | |
976 if (n > 0) { | |
977 return; | |
978 } | |
979 | |
980 if (n == -1) { | |
981 if (err == NGX_EAGAIN) { | |
982 return; | |
983 } | |
984 | |
985 ev->error = 1; | |
986 | |
483 | 987 } else { /* n == 0 */ |
479 | 988 err = 0; |
989 } | |
990 | |
529 | 991 ev->eof = 1; |
583 | 992 c->error = 1; |
529 | 993 |
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994 if (!u->cacheable && u->peer.connection) { |
479 | 995 ngx_log_error(NGX_LOG_INFO, ev->log, err, |
996 "client closed prematurely connection, " | |
997 "so upstream connection is closed too"); | |
998 ngx_http_upstream_finalize_request(r, u, | |
999 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
1000 return; | |
1001 } | |
1002 | |
1003 ngx_log_error(NGX_LOG_INFO, ev->log, err, | |
1004 "client closed prematurely connection"); | |
1005 | |
1006 if (u->peer.connection == NULL) { | |
1007 ngx_http_upstream_finalize_request(r, u, | |
1008 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
1009 return; | |
1010 } | |
1011 } | |
1012 | |
1013 | |
487 | 1014 static void |
1015 ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
479 | 1016 { |
591 | 1017 ngx_int_t rc; |
665 | 1018 ngx_time_t *tp; |
591 | 1019 ngx_connection_t *c; |
479 | 1020 |
483 | 1021 r->connection->log->action = "connecting to upstream"; |
479 | 1022 |
1023 r->connection->single_connection = 0; | |
1024 | |
889
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1025 if (u->state && u->state->response_sec) { |
665 | 1026 tp = ngx_timeofday(); |
889
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1027 u->state->response_sec = tp->sec - u->state->response_sec; |
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1028 u->state->response_msec = tp->msec - u->state->response_msec; |
665 | 1029 } |
1030 | |
1168
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1031 u->state = ngx_array_push(r->upstream_states); |
665 | 1032 if (u->state == NULL) { |
1033 ngx_http_upstream_finalize_request(r, u, | |
1034 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1035 return; | |
1036 } | |
1037 | |
1038 ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t)); | |
1039 | |
1040 tp = ngx_timeofday(); | |
889
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1041 u->state->response_sec = tp->sec; |
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1042 u->state->response_msec = tp->msec; |
665 | 1043 |
479 | 1044 rc = ngx_event_connect_peer(&u->peer); |
1045 | |
1046 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1047 "http upstream connect: %i", rc); | |
1048 | |
1049 if (rc == NGX_ERROR) { | |
1050 ngx_http_upstream_finalize_request(r, u, | |
1051 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1052 return; | |
1053 } | |
1054 | |
1707
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1055 u->state->peer = u->peer.name; |
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1056 |
543 | 1057 if (rc == NGX_BUSY) { |
1058 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no live upstreams"); | |
1378 | 1059 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_NOLIVE); |
1060 return; | |
543 | 1061 } |
1062 | |
1378 | 1063 if (rc == NGX_DECLINED) { |
479 | 1064 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
1065 return; | |
1066 } | |
1067 | |
577 | 1068 /* rc == NGX_OK || rc == NGX_AGAIN */ |
1069 | |
479 | 1070 c = u->peer.connection; |
1071 | |
1072 c->data = r; | |
591 | 1073 |
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1074 c->write->handler = ngx_http_upstream_handler; |
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1075 c->read->handler = ngx_http_upstream_handler; |
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1076 |
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1077 u->write_event_handler = ngx_http_upstream_send_request_handler; |
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1078 u->read_event_handler = ngx_http_upstream_process_header; |
479 | 1079 |
1397
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1080 c->sendfile &= r->connection->sendfile; |
1958 | 1081 u->output.sendfile = c->sendfile; |
479 | 1082 |
1083 c->pool = r->pool; | |
2847 | 1084 c->log = r->connection->log; |
1085 c->read->log = c->log; | |
1086 c->write->log = c->log; | |
479 | 1087 |
1088 /* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */ | |
1089 | |
1090 u->writer.out = NULL; | |
1091 u->writer.last = &u->writer.out; | |
1092 u->writer.connection = c; | |
1093 u->writer.limit = 0; | |
1094 | |
1095 if (u->request_sent) { | |
509 | 1096 if (ngx_http_upstream_reinit(r, u) != NGX_OK) { |
1097 ngx_http_upstream_finalize_request(r, u, | |
1098 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1099 return; | |
1100 } | |
479 | 1101 } |
1102 | |
1064
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1103 if (r->request_body |
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1104 && r->request_body->buf |
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1105 && r->request_body->temp_file |
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1106 && r == r->main) |
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1107 { |
573 | 1108 /* |
1109 * the r->request_body->buf can be reused for one request only, | |
1110 * the subrequests should allocate their own temporay bufs | |
1111 */ | |
1112 | |
1113 u->output.free = ngx_alloc_chain_link(r->pool); | |
1114 if (u->output.free == NULL) { | |
1115 ngx_http_upstream_finalize_request(r, u, | |
1116 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1117 return; | |
479 | 1118 } |
573 | 1119 |
1120 u->output.free->buf = r->request_body->buf; | |
1121 u->output.free->next = NULL; | |
1122 u->output.allocated = 1; | |
1123 | |
1124 r->request_body->buf->pos = r->request_body->buf->start; | |
1125 r->request_body->buf->last = r->request_body->buf->start; | |
1126 r->request_body->buf->tag = u->output.tag; | |
479 | 1127 } |
1128 | |
1129 u->request_sent = 0; | |
1130 | |
1131 if (rc == NGX_AGAIN) { | |
1132 ngx_add_timer(c->write, u->conf->connect_timeout); | |
1133 return; | |
1134 } | |
1135 | |
577 | 1136 #if (NGX_HTTP_SSL) |
1137 | |
1658 | 1138 if (u->ssl && c->ssl == NULL) { |
591 | 1139 ngx_http_upstream_ssl_init_connection(r, u, c); |
577 | 1140 return; |
1141 } | |
1142 | |
1143 #endif | |
1144 | |
479 | 1145 ngx_http_upstream_send_request(r, u); |
1146 } | |
1147 | |
1148 | |
577 | 1149 #if (NGX_HTTP_SSL) |
1150 | |
1151 static void | |
591 | 1152 ngx_http_upstream_ssl_init_connection(ngx_http_request_t *r, |
1153 ngx_http_upstream_t *u, ngx_connection_t *c) | |
1154 { | |
884 | 1155 ngx_int_t rc; |
591 | 1156 |
1157 if (ngx_ssl_create_connection(u->conf->ssl, c, | |
1158 NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
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1159 != NGX_OK) |
591 | 1160 { |
1161 ngx_http_upstream_finalize_request(r, u, | |
1162 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1163 return; | |
1164 } | |
1165 | |
1166 c->sendfile = 0; | |
619 | 1167 u->output.sendfile = 0; |
591 | 1168 |
2184 | 1169 if (u->conf->ssl_session_reuse) { |
1170 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
1171 ngx_http_upstream_finalize_request(r, u, | |
1172 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1173 return; | |
1174 } | |
591 | 1175 } |
1176 | |
641 | 1177 r->connection->log->action = "SSL handshaking to upstream"; |
1178 | |
591 | 1179 rc = ngx_ssl_handshake(c); |
1180 | |
1181 if (rc == NGX_AGAIN) { | |
1182 c->ssl->handler = ngx_http_upstream_ssl_handshake; | |
1183 return; | |
1184 } | |
1185 | |
1186 ngx_http_upstream_ssl_handshake(c); | |
1187 } | |
1188 | |
1189 | |
1190 static void | |
577 | 1191 ngx_http_upstream_ssl_handshake(ngx_connection_t *c) |
1192 { | |
1193 ngx_http_request_t *r; | |
1194 ngx_http_upstream_t *u; | |
1195 | |
1196 r = c->data; | |
1197 u = r->upstream; | |
1198 | |
1199 if (c->ssl->handshaked) { | |
1200 | |
2184 | 1201 if (u->conf->ssl_session_reuse) { |
1202 u->peer.save_session(&u->peer, u->peer.data); | |
1203 } | |
884 | 1204 |
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1205 c->write->handler = ngx_http_upstream_handler; |
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1206 c->read->handler = ngx_http_upstream_handler; |
577 | 1207 |
1208 ngx_http_upstream_send_request(r, u); | |
1209 | |
1210 return; | |
1211 } | |
1212 | |
1213 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
1214 | |
1215 } | |
1216 | |
1217 #endif | |
1218 | |
1219 | |
509 | 1220 static ngx_int_t |
487 | 1221 ngx_http_upstream_reinit(ngx_http_request_t *r, ngx_http_upstream_t *u) |
479 | 1222 { |
1223 ngx_chain_t *cl; | |
1224 | |
509 | 1225 if (u->reinit_request(r) != NGX_OK) { |
1226 return NGX_ERROR; | |
1227 } | |
1228 | |
1705 | 1229 ngx_memzero(&u->headers_in, sizeof(ngx_http_upstream_headers_in_t)); |
1230 | |
1231 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, | |
591 | 1232 sizeof(ngx_table_elt_t)) |
1233 != NGX_OK) | |
509 | 1234 { |
1235 return NGX_ERROR; | |
479 | 1236 } |
1237 | |
1238 /* reinit the request chain */ | |
577 | 1239 |
509 | 1240 for (cl = u->request_bufs; cl; cl = cl->next) { |
479 | 1241 cl->buf->pos = cl->buf->start; |
1242 cl->buf->file_pos = 0; | |
1243 } | |
1244 | |
509 | 1245 /* reinit the subrequest's ngx_output_chain() context */ |
1246 | |
573 | 1247 if (r->request_body && r->request_body->temp_file |
597 | 1248 && r != r->main && u->output.buf) |
573 | 1249 { |
1250 u->output.free = ngx_alloc_chain_link(r->pool); | |
1251 if (u->output.free == NULL) { | |
1252 return NGX_ERROR; | |
509 | 1253 } |
573 | 1254 |
1255 u->output.free->buf = u->output.buf; | |
1256 u->output.free->next = NULL; | |
1257 | |
1258 u->output.buf->pos = u->output.buf->start; | |
1259 u->output.buf->last = u->output.buf->start; | |
509 | 1260 } |
479 | 1261 |
1262 u->output.buf = NULL; | |
1263 u->output.in = NULL; | |
1264 u->output.busy = NULL; | |
577 | 1265 |
581 | 1266 /* reinit u->buffer */ |
577 | 1267 |
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1268 u->buffer.pos = u->buffer.start; |
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1269 |
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1270 #if (NGX_HTTP_CACHE) |
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1271 |
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1272 if (r->cache) { |
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1273 u->buffer.pos += r->cache->header_start; |
479 | 1274 } |
509 | 1275 |
479 | 1276 #endif |
1277 | |
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1278 u->buffer.last = u->buffer.pos; |
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1279 |
509 | 1280 return NGX_OK; |
479 | 1281 } |
1282 | |
1283 | |
487 | 1284 static void |
1285 ngx_http_upstream_send_request(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
479 | 1286 { |
1153
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1287 ngx_int_t rc; |
483 | 1288 ngx_connection_t *c; |
577 | 1289 |
479 | 1290 c = u->peer.connection; |
1291 | |
1292 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1293 "http upstream send request"); | |
1294 | |
1153
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1295 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
1166 | 1296 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
1153
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1297 return; |
479 | 1298 } |
1299 | |
483 | 1300 c->log->action = "sending request to upstream"; |
479 | 1301 |
509 | 1302 rc = ngx_output_chain(&u->output, u->request_sent ? NULL : u->request_bufs); |
479 | 1303 |
1304 u->request_sent = 1; | |
1305 | |
1306 if (rc == NGX_ERROR) { | |
1307 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); | |
1308 return; | |
1309 } | |
1310 | |
1311 if (c->write->timer_set) { | |
1312 ngx_del_timer(c->write); | |
1313 } | |
1314 | |
1315 if (rc == NGX_AGAIN) { | |
1316 ngx_add_timer(c->write, u->conf->send_timeout); | |
1317 | |
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1318 if (ngx_handle_write_event(c->write, u->conf->send_lowat) != NGX_OK) { |
479 | 1319 ngx_http_upstream_finalize_request(r, u, |
1320 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1321 return; | |
1322 } | |
1323 | |
1324 return; | |
1325 } | |
1326 | |
1327 /* rc == NGX_OK */ | |
1328 | |
1329 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) { | |
1330 if (ngx_tcp_push(c->fd) == NGX_ERROR) { | |
1331 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, | |
1332 ngx_tcp_push_n " failed"); | |
1333 ngx_http_upstream_finalize_request(r, u, | |
1334 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
577 | 1335 return; |
479 | 1336 } |
1337 | |
1338 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET; | |
1339 } | |
577 | 1340 |
479 | 1341 ngx_add_timer(c->read, u->conf->read_timeout); |
1342 | |
1343 #if 1 | |
1344 if (c->read->ready) { | |
577 | 1345 |
479 | 1346 /* post aio operation */ |
1347 | |
1348 /* | |
1349 * TODO comment | |
1350 * although we can post aio operation just in the end | |
1351 * of ngx_http_upstream_connect() CHECK IT !!! | |
1352 * it's better to do here because we postpone header buffer allocation | |
1353 */ | |
1354 | |
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1355 ngx_http_upstream_process_header(r, u); |
479 | 1356 return; |
1357 } | |
1358 #endif | |
1359 | |
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1360 u->write_event_handler = ngx_http_upstream_dummy_handler; |
479 | 1361 |
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1362 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
479 | 1363 ngx_http_upstream_finalize_request(r, u, |
1364 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1365 return; | |
1366 } | |
1367 } | |
1368 | |
1369 | |
487 | 1370 static void |
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1371 ngx_http_upstream_send_request_handler(ngx_http_request_t *r, |
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1372 ngx_http_upstream_t *u) |
479 | 1373 { |
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1374 ngx_connection_t *c; |
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1375 |
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1376 c = u->peer.connection; |
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1377 |
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1378 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
479 | 1379 "http upstream send request handler"); |
1380 | |
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1381 if (c->write->timedout) { |
479 | 1382 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); |
1383 return; | |
1384 } | |
1385 | |
591 | 1386 #if (NGX_HTTP_SSL) |
1387 | |
1658 | 1388 if (u->ssl && c->ssl == NULL) { |
591 | 1389 ngx_http_upstream_ssl_init_connection(r, u, c); |
1390 return; | |
1391 } | |
1392 | |
1393 #endif | |
1394 | |
651 | 1395 if (u->header_sent) { |
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1396 u->write_event_handler = ngx_http_upstream_dummy_handler; |
651 | 1397 |
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1398 (void) ngx_handle_write_event(c->write, 0); |
651 | 1399 |
1400 return; | |
1401 } | |
1402 | |
479 | 1403 ngx_http_upstream_send_request(r, u); |
1404 } | |
1405 | |
1406 | |
487 | 1407 static void |
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1408 ngx_http_upstream_process_header(ngx_http_request_t *r, ngx_http_upstream_t *u) |
479 | 1409 { |
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1410 ssize_t n; |
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1411 ngx_int_t rc; |
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1412 ngx_connection_t *c; |
479 | 1413 |
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1414 c = u->peer.connection; |
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1415 |
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1416 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
483 | 1417 "http upstream process header"); |
479 | 1418 |
483 | 1419 c->log->action = "reading response header from upstream"; |
479 | 1420 |
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1421 if (c->read->timedout) { |
479 | 1422 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT); |
1423 return; | |
1424 } | |
577 | 1425 |
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1426 if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) { |
1166 | 1427 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
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1428 return; |
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1429 } |
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1430 |
581 | 1431 if (u->buffer.start == NULL) { |
1432 u->buffer.start = ngx_palloc(r->pool, u->conf->buffer_size); | |
1433 if (u->buffer.start == NULL) { | |
479 | 1434 ngx_http_upstream_finalize_request(r, u, |
1435 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1436 return; | |
1437 } | |
1438 | |
581 | 1439 u->buffer.pos = u->buffer.start; |
1440 u->buffer.last = u->buffer.start; | |
1441 u->buffer.end = u->buffer.start + u->conf->buffer_size; | |
1442 u->buffer.temporary = 1; | |
1443 | |
1444 u->buffer.tag = u->output.tag; | |
479 | 1445 |
1705 | 1446 if (ngx_list_init(&u->headers_in.headers, r->pool, 8, |
581 | 1447 sizeof(ngx_table_elt_t)) |
1448 != NGX_OK) | |
509 | 1449 { |
1450 ngx_http_upstream_finalize_request(r, u, | |
1451 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1452 return; | |
1453 } | |
1454 | |
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1455 #if (NGX_HTTP_CACHE) |
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1456 |
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1457 if (r->cache) { |
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1458 u->buffer.pos += r->cache->header_start; |
581 | 1459 u->buffer.last = u->buffer.pos; |
479 | 1460 } |
1461 #endif | |
1462 } | |
1463 | |
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1464 for ( ;; ) { |
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1465 |
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1466 n = c->recv(c, u->buffer.last, u->buffer.end - u->buffer.last); |
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1467 |
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1468 if (n == NGX_AGAIN) { |
479 | 1469 #if 0 |
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1470 ngx_add_timer(rev, u->read_timeout); |
479 | 1471 #endif |
1472 | |
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1473 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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1474 ngx_http_upstream_finalize_request(r, u, |
479 | 1475 NGX_HTTP_INTERNAL_SERVER_ERROR); |
2360
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1476 return; |
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1477 } |
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1478 |
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1479 return; |
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1480 } |
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1481 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1482 if (n == 0) { |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1483 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
|
1484 "upstream prematurely closed connection"); |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1485 } |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1486 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1487 if (n == NGX_ERROR || n == 0) { |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1488 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR); |
479 | 1489 return; |
1490 } | |
1491 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1492 u->buffer.last += n; |
479 | 1493 |
1494 #if 0 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1495 u->valid_header_in = 0; |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1496 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1497 u->peer.cached = 0; |
479 | 1498 #endif |
1499 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1500 rc = u->process_header(r); |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1501 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1502 if (rc == NGX_AGAIN) { |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1503 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1504 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
|
1505 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
|
1506 "upstream sent too big header"); |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1507 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1508 ngx_http_upstream_next(r, u, |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1509 NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1510 return; |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1511 } |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1512 |
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1513 continue; |
479 | 1514 } |
1515 | |
2360
64854406b1f9
read and process upstream header in cycle,
Igor Sysoev <igor@sysoev.ru>
parents:
2308
diff
changeset
|
1516 break; |
479 | 1517 } |
1518 | |
1519 if (rc == NGX_HTTP_UPSTREAM_INVALID_HEADER) { | |
1520 ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER); | |
1521 return; | |
1522 } | |
1523 | |
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
|
1524 if (rc == NGX_ERROR) { |
479 | 1525 ngx_http_upstream_finalize_request(r, u, |
1526 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
1527 return; | |
1528 } | |
1529 | |
1530 /* rc == NGX_OK */ | |
1531 | |
2268
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1532 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
|
1533 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1534 if (r->subrequest_in_memory) { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1535 u->buffer.last = u->buffer.pos; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1536 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1537 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1538 if (ngx_http_upstream_test_next(r, u) == NGX_OK) { |
509 | 1539 return; |
1540 } | |
1541 | |
2267
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1542 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
|
1543 return; |
487 | 1544 } |
1545 } | |
1546 | |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1547 if (ngx_http_upstream_process_headers(r, u) != NGX_OK) { |
515 | 1548 return; |
1549 } | |
1550 | |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1551 if (!r->subrequest_in_memory) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1552 ngx_http_upstream_send_response(r, u); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1553 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1554 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1555 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1556 /* subrequest content in memory */ |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1557 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1558 if (u->input_filter == NULL) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1559 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1560 u->input_filter = ngx_http_upstream_non_buffered_filter; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1561 u->input_filter_ctx = r; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1562 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1563 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1564 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1565 ngx_http_upstream_finalize_request(r, u, |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1566 NGX_HTTP_INTERNAL_SERVER_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1567 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1568 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1569 |
2308
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1570 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
|
1571 |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1572 if (n) { |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1573 u->buffer.last -= n; |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1574 |
2402 | 1575 u->state->response_length += n; |
1576 | |
2308
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1577 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
|
1578 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1579 return; |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1580 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1581 |
2308
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1582 if (u->length == 0) { |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1583 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
|
1584 return; |
3f98400e31e9
memcached response was stored in variable with END
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
1585 } |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1586 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1587 |
2377
87b8c44906b5
*) refactor subrequest handling, now they run as separate posted requests
Igor Sysoev <igor@sysoev.ru>
parents:
2360
diff
changeset
|
1588 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
|
1589 |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1590 ngx_http_upstream_process_body_in_memory(r, u); |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1591 } |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1592 |
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1593 |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1594 static ngx_int_t |
2268
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1595 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
|
1596 { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1597 ngx_uint_t status; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1598 ngx_http_upstream_next_t *un; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1599 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1600 status = u->headers_in.status_n; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1601 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1602 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
|
1603 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1604 if (status != un->status) { |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1605 continue; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1606 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1607 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1608 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
|
1609 ngx_http_upstream_next(r, u, un->mask); |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1610 return NGX_OK; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1611 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1612 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1613 #if (NGX_HTTP_CACHE) |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1614 |
2952 | 1615 if (u->cache_status == NGX_HTTP_CACHE_EXPIRED |
1616 && (u->conf->cache_use_stale & un->mask)) | |
1617 { | |
2824
d106509491b5
fix building --without-http-cache
Igor Sysoev <igor@sysoev.ru>
parents:
2807
diff
changeset
|
1618 ngx_int_t rc; |
2805
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
1619 |
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
1620 rc = u->reinit_request(r); |
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
1621 |
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
1622 if (rc == NGX_OK) { |
2952 | 1623 u->cache_status = NGX_HTTP_CACHE_STALE; |
2805
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
1624 rc = ngx_http_upstream_cache_send(r, u); |
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
1625 } |
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
1626 |
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
1627 ngx_http_upstream_finalize_request(r, u, rc); |
2268
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1628 return NGX_OK; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1629 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1630 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1631 #endif |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1632 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1633 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1634 return NGX_DECLINED; |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1635 } |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1636 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1637 |
33556140681a
*) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents:
2267
diff
changeset
|
1638 static ngx_int_t |
2267
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1639 ngx_http_upstream_intercept_errors(ngx_http_request_t *r, |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1640 ngx_http_upstream_t *u) |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1641 { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1642 ngx_int_t status; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1643 ngx_uint_t i; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1644 ngx_table_elt_t *h; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1645 ngx_http_err_page_t *err_page; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1646 ngx_http_core_loc_conf_t *clcf; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1647 |
2441
0c117a89f399
in miss case memcached module returned END instead of default 404 page body
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
1648 status = u->headers_in.status_n; |
0c117a89f399
in miss case memcached module returned END instead of default 404 page body
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
1649 |
0c117a89f399
in miss case memcached module returned END instead of default 404 page body
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
1650 if (status == NGX_HTTP_NOT_FOUND && u->conf->intercept_404) { |
0c117a89f399
in miss case memcached module returned END instead of default 404 page body
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
1651 ngx_http_upstream_finalize_request(r, u, NGX_HTTP_NOT_FOUND); |
0c117a89f399
in miss case memcached module returned END instead of default 404 page body
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
1652 return NGX_OK; |
0c117a89f399
in miss case memcached module returned END instead of default 404 page body
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
1653 } |
0c117a89f399
in miss case memcached module returned END instead of default 404 page body
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
1654 |
2267
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1655 if (!u->conf->intercept_errors) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1656 return NGX_DECLINED; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1657 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1658 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1659 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1660 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1661 if (clcf->error_pages == NULL) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1662 return NGX_DECLINED; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1663 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1664 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1665 err_page = clcf->error_pages->elts; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1666 for (i = 0; i < clcf->error_pages->nelts; i++) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1667 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1668 if (err_page[i].status == status) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1669 |
2953
aa12525236da
fix segfault if there is error_page 401, proxy_intercept_errors is on
Igor Sysoev <igor@sysoev.ru>
parents:
2952
diff
changeset
|
1670 if (status == NGX_HTTP_UNAUTHORIZED |
aa12525236da
fix segfault if there is error_page 401, proxy_intercept_errors is on
Igor Sysoev <igor@sysoev.ru>
parents:
2952
diff
changeset
|
1671 && u->headers_in.www_authenticate) |
aa12525236da
fix segfault if there is error_page 401, proxy_intercept_errors is on
Igor Sysoev <igor@sysoev.ru>
parents:
2952
diff
changeset
|
1672 { |
2267
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1673 h = ngx_list_push(&r->headers_out.headers); |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1674 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1675 if (h == NULL) { |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1676 ngx_http_upstream_finalize_request(r, u, |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1677 NGX_HTTP_INTERNAL_SERVER_ERROR); |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1678 return NGX_OK; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1679 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1680 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1681 *h = *u->headers_in.www_authenticate; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1682 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1683 r->headers_out.www_authenticate = h; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1684 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1685 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1686 ngx_http_upstream_finalize_request(r, u, status); |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1687 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1688 return NGX_OK; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1689 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1690 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1691 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1692 return NGX_DECLINED; |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1693 } |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1694 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1695 |
920be89a3d2d
ngx_http_upstream_intercept_errors()
Igor Sysoev <igor@sysoev.ru>
parents:
2244
diff
changeset
|
1696 static ngx_int_t |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1697 ngx_http_upstream_test_connect(ngx_connection_t *c) |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1698 { |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1699 int err; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1700 socklen_t len; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1701 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1702 #if (NGX_HAVE_KQUEUE) |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1703 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1704 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
1166 | 1705 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
|
1706 c->log->action = "connecting to upstream"; |
1166 | 1707 (void) ngx_connection_error(c, c->write->kq_errno, |
1708 "kevent() reported that connect() failed"); | |
1709 return NGX_ERROR; | |
1710 } | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1711 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1712 } else |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1713 #endif |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1714 { |
1166 | 1715 err = 0; |
1716 len = sizeof(int); | |
1717 | |
1718 /* | |
1719 * BSDs and Linux return 0 and set a pending error in err | |
1720 * Solaris returns -1 and sets errno | |
1721 */ | |
1722 | |
1723 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
1724 == -1) | |
1725 { | |
1726 err = ngx_errno; | |
1727 } | |
1728 | |
1729 if (err) { | |
1469
0a269c464eaf
connection error should be logged with "connecting to upstream" action,
Igor Sysoev <igor@sysoev.ru>
parents:
1468
diff
changeset
|
1730 c->log->action = "connecting to upstream"; |
1166 | 1731 (void) ngx_connection_error(c, err, "connect() failed"); |
1732 return NGX_ERROR; | |
1733 } | |
1153
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1734 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1735 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1736 return NGX_OK; |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1737 } |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1738 |
c843f3df3b85
separate ngx_http_upstream_test_connect() and
Igor Sysoev <igor@sysoev.ru>
parents:
1143
diff
changeset
|
1739 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1740 static ngx_int_t |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1741 ngx_http_upstream_process_headers(ngx_http_request_t *r, ngx_http_upstream_t *u) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1742 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1743 ngx_str_t *uri, args; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1744 ngx_uint_t i, flags; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1745 ngx_list_part_t *part; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1746 ngx_table_elt_t *h; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1747 ngx_http_upstream_header_t *hh; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1748 ngx_http_upstream_main_conf_t *umcf; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1749 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1750 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1751 |
2786
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
1752 if (u->headers_in.x_accel_redirect |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
1753 && !(u->conf->ignore_headers & NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT)) |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
1754 { |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1755 ngx_http_upstream_finalize_request(r, u, NGX_DECLINED); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1756 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1757 part = &u->headers_in.headers.part; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1758 h = part->elts; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1759 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1760 for (i = 0; /* void */; i++) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1761 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1762 if (i >= part->nelts) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1763 if (part->next == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1764 break; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1765 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1766 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1767 part = part->next; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1768 h = part->elts; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1769 i = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1770 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1771 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1772 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
|
1773 h[i].lowcase_key, h[i].key.len); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1774 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1775 if (hh && hh->redirect) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1776 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
|
1777 ngx_http_finalize_request(r, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1778 NGX_HTTP_INTERNAL_SERVER_ERROR); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1779 return NGX_DONE; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1780 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1781 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1782 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1783 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1784 uri = &u->headers_in.x_accel_redirect->value; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1785 args.len = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1786 args.data = NULL; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1787 flags = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1788 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1789 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
|
1790 ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1791 return NGX_DONE; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1792 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1793 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1794 if (flags & NGX_HTTP_ZERO_IN_URI) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1795 r->zero_in_uri = 1; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1796 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1797 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1798 if (r->method != NGX_HTTP_HEAD) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1799 r->method = NGX_HTTP_GET; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1800 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1801 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1802 r->valid_unparsed_uri = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1803 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1804 ngx_http_internal_redirect(r, uri, &args); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1805 return NGX_DONE; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1806 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1807 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1808 part = &u->headers_in.headers.part; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1809 h = part->elts; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1810 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1811 for (i = 0; /* void */; i++) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1812 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1813 if (i >= part->nelts) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1814 if (part->next == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1815 break; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1816 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1817 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1818 part = part->next; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1819 h = part->elts; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1820 i = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1821 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1822 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1823 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
|
1824 h[i].lowcase_key, h[i].key.len)) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1825 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1826 continue; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1827 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1828 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1829 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
|
1830 h[i].lowcase_key, h[i].key.len); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1831 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1832 if (hh) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1833 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
|
1834 ngx_http_upstream_finalize_request(r, u, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1835 NGX_HTTP_INTERNAL_SERVER_ERROR); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1836 return NGX_DONE; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1837 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1838 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1839 continue; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1840 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1841 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1842 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
|
1843 ngx_http_upstream_finalize_request(r, u, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1844 NGX_HTTP_INTERNAL_SERVER_ERROR); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1845 return NGX_DONE; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1846 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1847 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1848 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1849 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
|
1850 r->headers_out.server->hash = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1851 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1852 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1853 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
|
1854 r->headers_out.date->hash = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1855 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1856 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1857 r->headers_out.status = u->headers_in.status_n; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1858 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
|
1859 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1860 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
|
1861 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1862 if (r->headers_out.content_length_n != -1) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1863 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
|
1864 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1865 } else { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1866 u->length = NGX_MAX_SIZE_T_VALUE; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1867 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1868 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1869 return NGX_OK; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1870 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1871 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1872 |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1873 static void |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1874 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
|
1875 ngx_http_upstream_t *u) |
777
4ab852b691f5
<!--#include virtual=... set=... -->
Igor Sysoev <igor@sysoev.ru>
parents:
757
diff
changeset
|
1876 { |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1877 size_t size; |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1878 ssize_t n; |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1879 ngx_buf_t *b; |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1880 ngx_event_t *rev; |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1881 ngx_connection_t *c; |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
1882 |
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1883 c = u->peer.connection; |
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1884 rev = c->read; |
777
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1885 |
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1886 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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1887 "http upstream process body on memory"); |
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1888 |
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1889 if (rev->timedout) { |
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1890 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
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1891 ngx_http_upstream_finalize_request(r, u, NGX_ETIMEDOUT); |
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1892 return; |
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1893 } |
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1894 |
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1895 b = &u->buffer; |
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1896 |
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1897 for ( ;; ) { |
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1898 |
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1899 size = b->end - b->last; |
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1900 |
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1901 if (size == 0) { |
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1902 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
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1903 "upstream buffer is too small to read repsonse"); |
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1904 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
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1905 return; |
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1906 } |
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1907 |
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1908 n = c->recv(c, b->last, size); |
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1909 |
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1910 if (n == NGX_AGAIN) { |
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1911 break; |
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1912 } |
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1913 |
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1914 if (n == 0 || n == NGX_ERROR) { |
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1915 ngx_http_upstream_finalize_request(r, u, n); |
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1916 return; |
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1917 } |
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1918 |
2402 | 1919 u->state->response_length += n; |
1920 | |
777
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1921 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
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1922 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
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1923 return; |
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1924 } |
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1925 |
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1926 if (!rev->ready) { |
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1927 break; |
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1928 } |
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1929 } |
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1930 |
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1931 if (ngx_handle_read_event(rev, 0) != NGX_OK) { |
777
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1932 ngx_http_upstream_finalize_request(r, u, NGX_ERROR); |
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1933 return; |
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1934 } |
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1935 |
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1936 if (rev->active) { |
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1937 ngx_add_timer(rev, u->conf->read_timeout); |
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1938 |
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1939 } else if (rev->timer_set) { |
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1940 ngx_del_timer(rev); |
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1941 } |
681 | 1942 } |
1943 | |
1944 | |
1945 static void | |
1946 ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u) | |
1947 { | |
1948 int tcp_nodelay; | |
2402 | 1949 ssize_t n; |
681 | 1950 ngx_int_t rc; |
1951 ngx_event_pipe_t *p; | |
1952 ngx_connection_t *c; | |
1953 ngx_http_core_loc_conf_t *clcf; | |
1954 | |
509 | 1955 rc = ngx_http_send_header(r); |
479 | 1956 |
2701 | 1957 if (rc == NGX_ERROR || rc > NGX_OK || r->post_action) { |
485 | 1958 ngx_http_upstream_finalize_request(r, u, rc); |
479 | 1959 return; |
1960 } | |
1961 | |
2704
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1962 c = r->connection; |
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1963 |
2701 | 1964 if (r->header_only) { |
2704
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1965 |
2701 | 1966 if (u->cacheable || u->store) { |
2704
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1967 |
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1968 if (ngx_shutdown_socket(c->fd, NGX_WRITE_SHUTDOWN) == -1) { |
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1969 ngx_connection_error(c, ngx_socket_errno, |
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1970 ngx_shutdown_socket_n " failed"); |
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1971 } |
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1972 |
2701 | 1973 r->read_event_handler = ngx_http_request_empty_handler; |
1974 r->write_event_handler = ngx_http_request_empty_handler; | |
2704
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1975 c->error = 1; |
2701 | 1976 |
1977 } else { | |
1978 ngx_http_upstream_finalize_request(r, u, rc); | |
1979 return; | |
1980 } | |
1981 } | |
1982 | |
479 | 1983 u->header_sent = 1; |
1984 | |
573 | 1985 if (r->request_body && r->request_body->temp_file) { |
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1986 ngx_pool_run_cleanup_file(r->pool, r->request_body->temp_file->file.fd); |
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1987 r->request_body->temp_file->file.fd = NGX_INVALID_FILE; |
563 | 1988 } |
1989 | |
581 | 1990 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
1991 | |
649 | 1992 if (!u->buffering) { |
581 | 1993 |
1994 if (u->input_filter == NULL) { | |
1995 u->input_filter_init = ngx_http_upstream_non_buffered_filter_init; | |
1996 u->input_filter = ngx_http_upstream_non_buffered_filter; | |
1997 u->input_filter_ctx = r; | |
1998 } | |
1999 | |
2381
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2000 u->read_event_handler = ngx_http_upstream_process_non_buffered_upstream; |
581 | 2001 r->write_event_handler = |
2002 ngx_http_upstream_process_non_buffered_downstream; | |
2003 | |
2004 r->limit_rate = 0; | |
2005 | |
2006 if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) { | |
2007 ngx_http_upstream_finalize_request(r, u, 0); | |
2008 return; | |
2009 } | |
2010 | |
583 | 2011 if (clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
2012 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay"); | |
2013 | |
2014 tcp_nodelay = 1; | |
2015 | |
2016 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
2017 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
2018 { | |
2019 ngx_connection_error(c, ngx_socket_errno, | |
2020 "setsockopt(TCP_NODELAY) failed"); | |
2021 ngx_http_upstream_finalize_request(r, u, 0); | |
2022 return; | |
2023 } | |
2024 | |
2025 c->tcp_nodelay = NGX_TCP_NODELAY_SET; | |
2026 } | |
2027 | |
2402 | 2028 n = u->buffer.last - u->buffer.pos; |
2029 | |
2030 if (n) { | |
581 | 2031 u->buffer.last = u->buffer.pos; |
2032 | |
2402 | 2033 u->state->response_length += n; |
2034 | |
2035 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { | |
581 | 2036 ngx_http_upstream_finalize_request(r, u, 0); |
2037 return; | |
2038 } | |
2039 | |
2381
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2040 ngx_http_upstream_process_non_buffered_downstream(r); |
581 | 2041 |
2042 } else { | |
2043 u->buffer.pos = u->buffer.start; | |
2044 u->buffer.last = u->buffer.start; | |
2045 | |
2046 if (ngx_http_send_special(r, NGX_HTTP_FLUSH) == NGX_ERROR) { | |
2047 ngx_http_upstream_finalize_request(r, u, 0); | |
2048 return; | |
2049 } | |
1468
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2050 |
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|
2051 if (u->peer.connection->read->ready) { |
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2052 ngx_http_upstream_process_non_buffered_upstream(r, u); |
1468
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2053 } |
581 | 2054 } |
2055 | |
2056 return; | |
2057 } | |
2058 | |
479 | 2059 /* TODO: preallocate event_pipe bufs, look "Content-Length" */ |
2060 | |
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2061 #if (NGX_HTTP_CACHE) |
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2062 |
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2063 if (r->cache && r->cache->file.fd != NGX_INVALID_FILE) { |
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2064 ngx_pool_run_cleanup_file(r->pool, r->cache->file.fd); |
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2065 r->cache->file.fd = NGX_INVALID_FILE; |
479 | 2066 } |
2067 | |
1565 | 2068 if (u->cacheable) { |
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2069 time_t now, valid; |
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2070 |
2663
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2071 now = ngx_time(); |
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2072 |
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2073 valid = r->cache->valid_sec; |
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2074 |
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2075 if (valid == 0) { |
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2076 valid = ngx_http_file_cache_valid(u->conf->cache_valid, |
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2077 u->headers_in.status_n); |
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2078 if (valid) { |
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2079 r->cache->valid_sec = now + valid; |
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2080 } |
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2081 } |
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2082 |
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2083 if (valid) { |
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2084 r->cache->last_modified = r->headers_out.last_modified_time; |
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2085 r->cache->date = now; |
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2086 r->cache->body_start = (u_short) (u->buffer.pos - u->buffer.start); |
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2087 |
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2088 if (r->headers_out.content_length_n != -1) { |
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|
2089 r->cache->length = r->cache->body_start |
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2090 + r->headers_out.content_length_n; |
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2091 } |
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2092 |
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2093 ngx_http_file_cache_set_header(r, u->buffer.start); |
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|
2094 |
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2095 } else { |
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2096 u->cacheable = 0; |
2703
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2097 r->headers_out.last_modified_time = -1; |
2592
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|
2098 } |
479 | 2099 } |
2100 | |
2690 | 2101 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
2102 "http cacheable: %d", u->cacheable); | |
2103 | |
479 | 2104 #endif |
2105 | |
581 | 2106 p = u->pipe; |
479 | 2107 |
2108 p->output_filter = (ngx_event_pipe_output_filter_pt) ngx_http_output_filter; | |
2109 p->output_ctx = r; | |
2110 p->tag = u->output.tag; | |
577 | 2111 p->bufs = u->conf->bufs; |
479 | 2112 p->busy_size = u->conf->busy_buffers_size; |
2113 p->upstream = u->peer.connection; | |
583 | 2114 p->downstream = c; |
479 | 2115 p->pool = r->pool; |
583 | 2116 p->log = c->log; |
577 | 2117 |
1565 | 2118 p->cacheable = u->cacheable || u->store; |
479 | 2119 |
501 | 2120 p->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
2121 if (p->temp_file == NULL) { | |
479 | 2122 ngx_http_upstream_finalize_request(r, u, 0); |
2123 return; | |
2124 } | |
2125 | |
2126 p->temp_file->file.fd = NGX_INVALID_FILE; | |
583 | 2127 p->temp_file->file.log = c->log; |
479 | 2128 p->temp_file->path = u->conf->temp_path; |
2129 p->temp_file->pool = r->pool; | |
577 | 2130 |
2592
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2131 if (p->cacheable) { |
479 | 2132 p->temp_file->persistent = 1; |
1291
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Igor Sysoev <igor@sysoev.ru>
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2133 |
479 | 2134 } else { |
667 | 2135 p->temp_file->log_level = NGX_LOG_WARN; |
479 | 2136 p->temp_file->warn = "an upstream response is buffered " |
2137 "to a temporary file"; | |
2138 } | |
2139 | |
2140 p->max_temp_file_size = u->conf->max_temp_file_size; | |
2141 p->temp_file_write_size = u->conf->temp_file_write_size; | |
2142 | |
501 | 2143 p->preread_bufs = ngx_alloc_chain_link(r->pool); |
2144 if (p->preread_bufs == NULL) { | |
479 | 2145 ngx_http_upstream_finalize_request(r, u, 0); |
2146 return; | |
2147 } | |
1291
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Igor Sysoev <igor@sysoev.ru>
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2148 |
581 | 2149 p->preread_bufs->buf = &u->buffer; |
479 | 2150 p->preread_bufs->next = NULL; |
581 | 2151 u->buffer.recycled = 1; |
2152 | |
2153 p->preread_size = u->buffer.last - u->buffer.pos; | |
479 | 2154 |
1565 | 2155 if (u->cacheable) { |
1291
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Igor Sysoev <igor@sysoev.ru>
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2156 |
479 | 2157 p->buf_to_file = ngx_calloc_buf(r->pool); |
2158 if (p->buf_to_file == NULL) { | |
2159 ngx_http_upstream_finalize_request(r, u, 0); | |
2160 return; | |
2161 } | |
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2162 |
581 | 2163 p->buf_to_file->pos = u->buffer.start; |
2164 p->buf_to_file->last = u->buffer.pos; | |
479 | 2165 p->buf_to_file->temporary = 1; |
2166 } | |
2167 | |
2168 if (ngx_event_flags & NGX_USE_AIO_EVENT) { | |
2169 /* the posted aio operation may currupt a shadow buffer */ | |
2170 p->single_buf = 1; | |
2171 } | |
2172 | |
2173 /* TODO: p->free_bufs = 0 if use ngx_create_chain_of_bufs() */ | |
2174 p->free_bufs = 1; | |
2175 | |
2176 /* | |
581 | 2177 * event_pipe would do u->buffer.last += p->preread_size |
479 | 2178 * as though these bytes were read |
2179 */ | |
581 | 2180 u->buffer.last = u->buffer.pos; |
479 | 2181 |
2182 if (u->conf->cyclic_temp_file) { | |
2183 | |
2184 /* | |
2185 * we need to disable the use of sendfile() if we use cyclic temp file | |
2186 * because the writing a new data may interfere with sendfile() | |
2187 * that uses the same kernel file pages (at least on FreeBSD) | |
2188 */ | |
2189 | |
2190 p->cyclic_temp_file = 1; | |
583 | 2191 c->sendfile = 0; |
479 | 2192 |
2193 } else { | |
2194 p->cyclic_temp_file = 0; | |
2195 } | |
2196 | |
2197 p->read_timeout = u->conf->read_timeout; | |
2198 p->send_timeout = clcf->send_timeout; | |
2199 p->send_lowat = clcf->send_lowat; | |
2200 | |
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2201 u->read_event_handler = ngx_http_upstream_process_upstream; |
509 | 2202 r->write_event_handler = ngx_http_upstream_process_downstream; |
479 | 2203 |
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2204 ngx_http_upstream_process_upstream(r, u); |
479 | 2205 } |
2206 | |
2207 | |
487 | 2208 static void |
581 | 2209 ngx_http_upstream_process_non_buffered_downstream(ngx_http_request_t *r) |
2210 { | |
2381
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2211 ngx_event_t *wev; |
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2212 ngx_connection_t *c; |
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2213 ngx_http_upstream_t *u; |
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2214 |
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2215 c = r->connection; |
3d7a70173d77
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2216 u = r->upstream; |
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fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
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2217 wev = c->write; |
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2218 |
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2219 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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2220 "http upstream process non buffered downstream"); |
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2221 |
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2222 c->log->action = "sending to client"; |
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2223 |
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2224 if (wev->timedout) { |
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Igor Sysoev <igor@sysoev.ru>
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2225 c->timedout = 1; |
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2226 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
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Igor Sysoev <igor@sysoev.ru>
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2227 ngx_http_upstream_finalize_request(r, u, 0); |
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fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
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2228 return; |
3d7a70173d77
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|
2229 } |
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fix r2378, run posted requests after upstream event handling
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2230 |
3d7a70173d77
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|
2231 ngx_http_upstream_process_non_buffered_request(r, 1); |
581 | 2232 } |
2233 | |
2234 | |
2235 static void | |
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2236 ngx_http_upstream_process_non_buffered_upstream(ngx_http_request_t *r, |
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2237 ngx_http_upstream_t *u) |
2381
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2238 { |
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2239 ngx_connection_t *c; |
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|
2240 |
4ccaa42de633
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|
2241 c = u->peer.connection; |
2381
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2242 |
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2243 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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2244 "http upstream process non buffered upstream"); |
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2245 |
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2246 c->log->action = "reading upstream"; |
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2247 |
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2248 if (c->read->timedout) { |
2381
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2249 ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out"); |
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2250 ngx_http_upstream_finalize_request(r, u, 0); |
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2251 return; |
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2252 } |
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2253 |
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2254 ngx_http_upstream_process_non_buffered_request(r, 0); |
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2255 } |
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2256 |
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2257 |
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2258 static void |
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2259 ngx_http_upstream_process_non_buffered_request(ngx_http_request_t *r, |
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2260 ngx_uint_t do_write) |
581 | 2261 { |
2262 size_t size; | |
2263 ssize_t n; | |
2264 ngx_buf_t *b; | |
583 | 2265 ngx_int_t rc; |
2381
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Igor Sysoev <igor@sysoev.ru>
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2266 ngx_connection_t *downstream, *upstream; |
581 | 2267 ngx_http_upstream_t *u; |
2268 ngx_http_core_loc_conf_t *clcf; | |
2269 | |
756
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2270 u = r->upstream; |
884 | 2271 downstream = r->connection; |
2272 upstream = u->peer.connection; | |
581 | 2273 |
2274 b = &u->buffer; | |
2275 | |
2381
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fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
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|
2276 do_write = do_write || u->length == 0; |
581 | 2277 |
2278 for ( ;; ) { | |
2279 | |
2280 if (do_write) { | |
2281 | |
2282 if (u->out_bufs || u->busy_bufs) { | |
583 | 2283 rc = ngx_http_output_filter(r, u->out_bufs); |
2284 | |
2285 if (rc == NGX_ERROR) { | |
581 | 2286 ngx_http_upstream_finalize_request(r, u, 0); |
2287 return; | |
2288 } | |
2289 | |
2290 ngx_chain_update_chains(&u->free_bufs, &u->busy_bufs, | |
2291 &u->out_bufs, u->output.tag); | |
2292 } | |
2293 | |
2294 if (u->busy_bufs == NULL) { | |
2295 | |
2296 if (u->length == 0 | |
884 | 2297 || upstream->read->eof |
2298 || upstream->read->error) | |
581 | 2299 { |
2300 ngx_http_upstream_finalize_request(r, u, 0); | |
2301 return; | |
2302 } | |
2303 | |
2304 b->pos = b->start; | |
2305 b->last = b->start; | |
2306 } | |
2307 } | |
2308 | |
2309 size = b->end - b->last; | |
2310 | |
2311 if (size > u->length) { | |
2312 size = u->length; | |
2313 } | |
2314 | |
884 | 2315 if (size && upstream->read->ready) { |
2316 | |
2317 n = upstream->recv(upstream, b->last, size); | |
581 | 2318 |
2319 if (n == NGX_AGAIN) { | |
2320 break; | |
2321 } | |
2322 | |
2323 if (n > 0) { | |
2402 | 2324 u->state->response_length += n; |
2325 | |
581 | 2326 if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) { |
2327 ngx_http_upstream_finalize_request(r, u, 0); | |
2328 return; | |
2329 } | |
2330 } | |
2331 | |
2332 do_write = 1; | |
2333 | |
2334 continue; | |
2335 } | |
2336 | |
2337 break; | |
2338 } | |
2339 | |
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2340 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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2341 |
884 | 2342 if (downstream->data == r) { |
2343 if (ngx_handle_write_event(downstream->write, clcf->send_lowat) | |
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|
2344 != NGX_OK) |
583 | 2345 { |
2346 ngx_http_upstream_finalize_request(r, u, 0); | |
2347 return; | |
2348 } | |
581 | 2349 } |
2350 | |
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2351 if (downstream->write->active && !downstream->write->ready) { |
884 | 2352 ngx_add_timer(downstream->write, clcf->send_timeout); |
2353 | |
2354 } else if (downstream->write->timer_set) { | |
2355 ngx_del_timer(downstream->write); | |
581 | 2356 } |
2357 | |
2377
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Igor Sysoev <igor@sysoev.ru>
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changeset
|
2358 if (ngx_handle_read_event(upstream->read, 0) != NGX_OK) { |
581 | 2359 ngx_http_upstream_finalize_request(r, u, 0); |
2360 return; | |
2361 } | |
2362 | |
1063
e2a6ecc5a3ae
a non-active client connection must not closed after send timeout
Igor Sysoev <igor@sysoev.ru>
parents:
1031
diff
changeset
|
2363 if (upstream->read->active && !upstream->read->ready) { |
884 | 2364 ngx_add_timer(upstream->read, u->conf->read_timeout); |
2365 | |
2366 } else if (upstream->read->timer_set) { | |
2367 ngx_del_timer(upstream->read); | |
581 | 2368 } |
2369 } | |
2370 | |
2371 | |
2372 static ngx_int_t | |
2373 ngx_http_upstream_non_buffered_filter_init(void *data) | |
2374 { | |
2375 return NGX_OK; | |
2376 } | |
2377 | |
2378 | |
2379 static ngx_int_t | |
2380 ngx_http_upstream_non_buffered_filter(void *data, ssize_t bytes) | |
2381 { | |
2382 ngx_http_request_t *r = data; | |
2383 | |
2384 ngx_buf_t *b; | |
2385 ngx_chain_t *cl, **ll; | |
2386 ngx_http_upstream_t *u; | |
2387 | |
2388 u = r->upstream; | |
2389 | |
2390 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
2391 ll = &cl->next; | |
2392 } | |
2393 | |
2394 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
2395 if (cl == NULL) { | |
2396 return NGX_ERROR; | |
2397 } | |
2398 | |
2399 *ll = cl; | |
2400 | |
2401 cl->buf->flush = 1; | |
2402 cl->buf->memory = 1; | |
2403 | |
2404 b = &u->buffer; | |
2405 | |
2406 cl->buf->pos = b->last; | |
2407 b->last += bytes; | |
2408 cl->buf->last = b->last; | |
1908
f2953601ed3c
fix memory leak in long-lived non buffered connections
Igor Sysoev <igor@sysoev.ru>
parents:
1902
diff
changeset
|
2409 cl->buf->tag = u->output.tag; |
581 | 2410 |
2411 if (u->length == NGX_MAX_SIZE_T_VALUE) { | |
2412 return NGX_OK; | |
2413 } | |
2414 | |
2415 u->length -= bytes; | |
2416 | |
2417 return NGX_OK; | |
2418 } | |
2419 | |
2420 | |
2421 static void | |
509 | 2422 ngx_http_upstream_process_downstream(ngx_http_request_t *r) |
2423 { | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2424 ngx_event_t *wev; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2425 ngx_connection_t *c; |
509 | 2426 ngx_event_pipe_t *p; |
479 | 2427 ngx_http_upstream_t *u; |
2428 | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2429 c = r->connection; |
479 | 2430 u = r->upstream; |
581 | 2431 p = u->pipe; |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2432 wev = c->write; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2433 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2434 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
|
2435 "http upstream process downstream"); |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2436 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2437 c->log->action = "sending to client"; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2438 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2439 if (wev->timedout) { |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2440 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2441 if (wev->delayed) { |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2442 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2443 wev->timedout = 0; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2444 wev->delayed = 0; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2445 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2446 if (!wev->ready) { |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2447 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
|
2448 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2449 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
|
2450 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
|
2451 } |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2452 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2453 return; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2454 } |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2455 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2456 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
|
2457 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
|
2458 return; |
527 | 2459 } |
479 | 2460 |
2461 } else { | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2462 p->downstream_error = 1; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2463 c->timedout = 1; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2464 ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out"); |
479 | 2465 } |
2466 | |
2467 } else { | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2468 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2469 if (wev->delayed) { |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2470 |
527 | 2471 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
2472 "http downstream delayed"); | |
2473 | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2474 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
|
2475 ngx_http_upstream_finalize_request(r, u, 0); |
527 | 2476 } |
2477 | |
2478 return; | |
2479 } | |
2480 | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2481 if (ngx_event_pipe(p, 1) == NGX_ABORT) { |
479 | 2482 ngx_http_upstream_finalize_request(r, u, 0); |
2483 return; | |
2484 } | |
2485 } | |
577 | 2486 |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2487 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
|
2488 } |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2489 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2490 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2491 static void |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2492 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
|
2493 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
|
2494 { |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2495 ngx_connection_t *c; |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2496 |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2497 c = u->peer.connection; |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2498 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2499 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
|
2500 "http upstream process upstream"); |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2501 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2502 c->log->action = "reading upstream"; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2503 |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2504 if (c->read->timedout) { |
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2505 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
|
2506 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
|
2507 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2508 } else { |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2509 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
|
2510 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
|
2511 return; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2512 } |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2513 } |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2514 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2515 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
|
2516 } |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2517 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2518 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2519 static void |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2520 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
|
2521 { |
2445
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2522 ngx_uint_t del; |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2523 ngx_temp_file_t *tf; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2524 ngx_event_pipe_t *p; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2525 ngx_http_upstream_t *u; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2526 |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2527 u = r->upstream; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2528 p = u->pipe; |
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2529 |
479 | 2530 if (u->peer.connection) { |
2531 | |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2532 if (u->store) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2533 |
2445
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2534 del = p->upstream_error; |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2535 |
1885
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
2536 tf = u->pipe->temp_file; |
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
2537 |
2463 | 2538 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
|
2539 |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2540 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
|
2541 && (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
|
2542 || (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
|
2543 { |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2544 ngx_http_upstream_store(r, u); |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2545 |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2546 } else { |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2547 del = 1; |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2548 } |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2549 } |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2550 |
3c6af1fb7586
proxy/fastcgi_store did not delete incomplete files
Igor Sysoev <igor@sysoev.ru>
parents:
2441
diff
changeset
|
2551 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
|
2552 |
1885
e5897822515f
test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1777
diff
changeset
|
2553 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
|
2554 |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2555 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
|
2556 ngx_delete_file_n " \"%s\" failed", |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2557 u->pipe->temp_file->file.name.data); |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2558 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2559 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2560 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2561 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2562 #if (NGX_HTTP_CACHE) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2563 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2564 if (u->cacheable) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2565 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2566 if (p->upstream_done) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2567 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
|
2568 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2569 } else if (p->upstream_eof) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2570 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2571 /* TODO: check length & update cache */ |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2572 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2573 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
|
2574 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2575 } else if (p->upstream_error) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2576 ngx_http_file_cache_free(r, u->pipe->temp_file); |
479 | 2577 } |
2578 } | |
2579 | |
2580 #endif | |
2581 | |
2582 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
|
2583 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
483 | 2584 "http upstream exit: %p", p->out); |
479 | 2585 #if 0 |
2586 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2587 #endif | |
2588 ngx_http_upstream_finalize_request(r, u, 0); | |
2589 return; | |
2590 } | |
2591 } | |
2592 | |
2593 if (p->downstream_error) { | |
2381
3d7a70173d77
fix r2378, run posted requests after upstream event handling
Igor Sysoev <igor@sysoev.ru>
parents:
2377
diff
changeset
|
2594 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
483 | 2595 "http upstream downstream error"); |
479 | 2596 |
2757
9cc973b46af1
get a full response if the response is cacheable or storable even
Igor Sysoev <igor@sysoev.ru>
parents:
2708
diff
changeset
|
2597 if (!u->cacheable && !u->store && u->peer.connection) { |
479 | 2598 ngx_http_upstream_finalize_request(r, u, 0); |
2599 } | |
2600 } | |
2601 } | |
2602 | |
2603 | |
487 | 2604 static void |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2605 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
|
2606 { |
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2607 size_t root; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2608 time_t lm; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2609 ngx_str_t path; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2610 ngx_temp_file_t *tf; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2611 ngx_ext_rename_file_t ext; |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2612 |
1777 | 2613 tf = u->pipe->temp_file; |
2614 | |
2615 if (tf->file.fd == NGX_INVALID_FILE) { | |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2616 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2617 /* create file for empty 200 response */ |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2618 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2619 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
|
2620 if (tf == NULL) { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2621 return; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2622 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2623 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2624 tf->file.fd = NGX_INVALID_FILE; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2625 tf->file.log = r->connection->log; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2626 tf->path = u->conf->temp_path; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2627 tf->pool = r->pool; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2628 tf->persistent = 1; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2629 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2630 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
|
2631 tf->persistent, tf->clean, tf->access) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2632 != NGX_OK) |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2633 { |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2634 return; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2635 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2636 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2637 u->pipe->temp_file = tf; |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2638 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2639 |
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2640 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
|
2641 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
|
2642 ext.time = -1; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2643 ext.create_path = 1; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2644 ext.delete_file = 1; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2645 ext.log = r->connection->log; |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2646 |
1705 | 2647 if (u->headers_in.last_modified) { |
2648 | |
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2649 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
|
2650 u->headers_in.last_modified->value.len); |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2651 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2652 if (lm != NGX_ERROR) { |
1947
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2653 ext.time = lm; |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2654 ext.fd = tf->file.fd; |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2655 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2656 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2657 |
1295
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2658 if (u->conf->store_lengths == NULL) { |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2659 |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2660 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
|
2661 |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2662 } else { |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2663 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
|
2664 u->conf->store_values->elts) |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2665 == NULL) |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2666 { |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2667 return; |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2668 } |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2669 } |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2670 |
3032
524ba56ba9f7
fix copy destination name length, introduced in r3025
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
2671 path.len--; |
524ba56ba9f7
fix copy destination name length, introduced in r3025
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
2672 |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2673 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
|
2674 "upstream stores \"%s\" to \"%s\"", |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2675 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
|
2676 |
94b03bbd328e
use ngx_ext_rename_file() in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1916
diff
changeset
|
2677 (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
|
2678 } |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2679 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2680 |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1284
diff
changeset
|
2681 static void |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2682 ngx_http_upstream_dummy_handler(ngx_http_request_t *r, ngx_http_upstream_t *u) |
479 | 2683 { |
2386
4ccaa42de633
use already available r and u instead of ev
Igor Sysoev <igor@sysoev.ru>
parents:
2381
diff
changeset
|
2684 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
479 | 2685 "http upstream dummy handler"); |
2686 } | |
2687 | |
2688 | |
487 | 2689 static void |
2690 ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u, | |
2691 ngx_uint_t ft_type) | |
479 | 2692 { |
884 | 2693 ngx_uint_t status, state; |
479 | 2694 |
2695 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
884 | 2696 "http next upstream, %xi", ft_type); |
479 | 2697 |
2698 #if 0 | |
2699 ngx_http_busy_unlock(u->conf->busy_lock, &u->busy_lock); | |
2700 #endif | |
2701 | |
525 | 2702 if (ft_type == NGX_HTTP_UPSTREAM_FT_HTTP_404) { |
884 | 2703 state = NGX_PEER_NEXT; |
525 | 2704 } else { |
884 | 2705 state = NGX_PEER_FAILED; |
479 | 2706 } |
525 | 2707 |
1378 | 2708 if (ft_type != NGX_HTTP_UPSTREAM_FT_NOLIVE) { |
2709 u->peer.free(&u->peer, u->peer.data, state); | |
2710 } | |
525 | 2711 |
479 | 2712 if (ft_type == NGX_HTTP_UPSTREAM_FT_TIMEOUT) { |
2713 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ETIMEDOUT, | |
2714 "upstream timed out"); | |
2715 } | |
577 | 2716 |
479 | 2717 if (u->peer.cached && ft_type == NGX_HTTP_UPSTREAM_FT_ERROR) { |
2718 status = 0; | |
2719 | |
2720 } else { | |
2721 switch(ft_type) { | |
2722 | |
2723 case NGX_HTTP_UPSTREAM_FT_TIMEOUT: | |
2724 status = NGX_HTTP_GATEWAY_TIME_OUT; | |
2725 break; | |
2726 | |
2727 case NGX_HTTP_UPSTREAM_FT_HTTP_500: | |
2728 status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
2729 break; | |
2730 | |
2731 case NGX_HTTP_UPSTREAM_FT_HTTP_404: | |
2732 status = NGX_HTTP_NOT_FOUND; | |
2733 break; | |
2734 | |
2735 /* | |
2736 * NGX_HTTP_UPSTREAM_FT_BUSY_LOCK and NGX_HTTP_UPSTREAM_FT_MAX_WAITING | |
2737 * never reach here | |
2738 */ | |
2739 | |
2740 default: | |
2741 status = NGX_HTTP_BAD_GATEWAY; | |
2742 } | |
2743 } | |
2744 | |
583 | 2745 if (r->connection->error) { |
479 | 2746 ngx_http_upstream_finalize_request(r, u, |
2747 NGX_HTTP_CLIENT_CLOSED_REQUEST); | |
2748 return; | |
2749 } | |
2750 | |
2751 if (status) { | |
2752 u->state->status = status; | |
2753 | |
525 | 2754 if (u->peer.tries == 0 || !(u->conf->next_upstream & ft_type)) { |
479 | 2755 |
2756 #if (NGX_HTTP_CACHE) | |
2757 | |
2952 | 2758 if (u->cache_status == NGX_HTTP_CACHE_EXPIRED |
2759 && (u->conf->cache_use_stale & ft_type)) | |
2760 { | |
2805
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
2761 ngx_int_t rc; |
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
2762 |
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
2763 rc = u->reinit_request(r); |
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
2764 |
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
2765 if (rc == NGX_OK) { |
2952 | 2766 u->cache_status = NGX_HTTP_CACHE_STALE; |
2805
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
2767 rc = ngx_http_upstream_cache_send(r, u); |
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
2768 } |
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
2769 |
60551422e150
reinit proxy/fastcgi header parser before ngx_http_upstream_cache_send()
Igor Sysoev <igor@sysoev.ru>
parents:
2804
diff
changeset
|
2770 ngx_http_upstream_finalize_request(r, u, rc); |
479 | 2771 return; |
2772 } | |
2773 #endif | |
2774 | |
2775 ngx_http_upstream_finalize_request(r, u, status); | |
2776 return; | |
2777 } | |
2778 } | |
2779 | |
2780 if (u->peer.connection) { | |
2781 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2782 "close http upstream connection: %d", | |
2783 u->peer.connection->fd); | |
577 | 2784 #if (NGX_HTTP_SSL) |
884 | 2785 |
577 | 2786 if (u->peer.connection->ssl) { |
884 | 2787 u->peer.connection->ssl->no_wait_shutdown = 1; |
2788 u->peer.connection->ssl->no_send_shutdown = 1; | |
2789 | |
2790 (void) ngx_ssl_shutdown(u->peer.connection); | |
577 | 2791 } |
2792 #endif | |
884 | 2793 |
479 | 2794 ngx_close_connection(u->peer.connection); |
2795 } | |
2796 | |
2797 #if 0 | |
2798 if (u->conf->busy_lock && !u->busy_locked) { | |
2799 ngx_http_upstream_busy_lock(p); | |
2800 return; | |
2801 } | |
2802 #endif | |
2803 | |
2804 ngx_http_upstream_connect(r, u); | |
2805 } | |
2806 | |
2807 | |
487 | 2808 static void |
569 | 2809 ngx_http_upstream_cleanup(void *data) |
2810 { | |
2811 ngx_http_request_t *r = data; | |
2812 | |
1705 | 2813 ngx_http_upstream_t *u; |
2814 | |
569 | 2815 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2816 "cleanup http upstream request: \"%V\"", &r->uri); | |
2817 | |
1705 | 2818 u = r->upstream; |
2819 | |
2820 if (u->resolved && u->resolved->ctx) { | |
2821 ngx_resolve_name_done(u->resolved->ctx); | |
1658 | 2822 } |
2823 | |
1705 | 2824 ngx_http_upstream_finalize_request(r, u, NGX_DONE); |
569 | 2825 } |
2826 | |
2827 | |
2828 static void | |
487 | 2829 ngx_http_upstream_finalize_request(ngx_http_request_t *r, |
2830 ngx_http_upstream_t *u, ngx_int_t rc) | |
479 | 2831 { |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2832 ngx_time_t *tp; |
563 | 2833 |
483 | 2834 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2835 "finalize http upstream request: %i", rc); | |
479 | 2836 |
2413 | 2837 if (u->cleanup) { |
2838 *u->cleanup = NULL; | |
2839 } | |
569 | 2840 |
1658 | 2841 if (u->state && u->state->response_sec) { |
563 | 2842 tp = ngx_timeofday(); |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2843 u->state->response_sec = tp->sec - u->state->response_sec; |
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
2844 u->state->response_msec = tp->msec - u->state->response_msec; |
2402 | 2845 |
2846 if (u->pipe) { | |
2847 u->state->response_length = u->pipe->read_length; | |
2848 } | |
563 | 2849 } |
2850 | |
479 | 2851 u->finalize_request(r, rc); |
2852 | |
1658 | 2853 if (u->peer.free) { |
2854 u->peer.free(&u->peer, u->peer.data, 0); | |
2855 } | |
884 | 2856 |
479 | 2857 if (u->peer.connection) { |
884 | 2858 |
577 | 2859 #if (NGX_HTTP_SSL) |
2860 | |
2861 /* TODO: do not shutdown persistent connection */ | |
2862 | |
2863 if (u->peer.connection->ssl) { | |
884 | 2864 |
2865 /* | |
2866 * We send the "close notify" shutdown alert to the upstream only | |
2867 * and do not wait its "close notify" shutdown alert. | |
2868 * It is acceptable according to the TLS standard. | |
2869 */ | |
2870 | |
2871 u->peer.connection->ssl->no_wait_shutdown = 1; | |
2872 | |
2873 (void) ngx_ssl_shutdown(u->peer.connection); | |
577 | 2874 } |
2875 #endif | |
884 | 2876 |
2877 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2878 "close http upstream connection: %d", | |
2879 u->peer.connection->fd); | |
2880 | |
479 | 2881 ngx_close_connection(u->peer.connection); |
2882 } | |
2883 | |
483 | 2884 u->peer.connection = NULL; |
2885 | |
581 | 2886 if (u->pipe && u->pipe->temp_file) { |
479 | 2887 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2888 "http upstream temp fd: %d", | |
581 | 2889 u->pipe->temp_file->file.fd); |
479 | 2890 } |
2891 | |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2892 #if (NGX_HTTP_CACHE) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2893 |
3012
f958084d4c12
fix segfault introduced in r3007
Igor Sysoev <igor@sysoev.ru>
parents:
3006
diff
changeset
|
2894 if (u->cacheable && r->cache) { |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2895 time_t valid; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2896 |
479 | 2897 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
483 | 2898 "http upstream cache fd: %d", |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2899 r->cache->file.fd); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2900 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2901 if (rc == NGX_HTTP_BAD_GATEWAY || rc == NGX_HTTP_GATEWAY_TIME_OUT) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2902 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2903 valid = ngx_http_file_cache_valid(u->conf->cache_valid, rc); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2904 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2905 if (valid) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2906 r->cache->valid_sec = ngx_time() + valid; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2907 r->cache->error = rc; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2908 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2909 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2910 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2911 ngx_http_file_cache_free(r, u->pipe->temp_file); |
479 | 2912 } |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2913 |
479 | 2914 #endif |
2915 | |
2692 | 2916 if (u->header_sent |
2917 && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE)) | |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2918 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2919 rc = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2920 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
2921 |
515 | 2922 if (rc == NGX_DECLINED) { |
2923 return; | |
2924 } | |
2925 | |
483 | 2926 r->connection->log->action = "sending to client"; |
2927 | |
2971
87ddbe960172
fix ngx_http_send_special() for subrequests handled by perl
Igor Sysoev <igor@sysoev.ru>
parents:
2957
diff
changeset
|
2928 if (rc == 0) { |
2377
87b8c44906b5
*) refactor subrequest handling, now they run as separate posted requests
Igor Sysoev <igor@sysoev.ru>
parents:
2360
diff
changeset
|
2929 rc = ngx_http_send_special(r, NGX_HTTP_LAST); |
479 | 2930 } |
2931 | |
2932 ngx_http_finalize_request(r, rc); | |
2933 } | |
2934 | |
2935 | |
509 | 2936 static ngx_int_t |
2937 ngx_http_upstream_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, | |
2938 ngx_uint_t offset) | |
577 | 2939 { |
509 | 2940 ngx_table_elt_t **ph; |
577 | 2941 |
509 | 2942 ph = (ngx_table_elt_t **) ((char *) &r->upstream->headers_in + offset); |
2943 | |
2944 if (*ph == NULL) { | |
2945 *ph = h; | |
2946 } | |
2947 | |
2948 return NGX_OK; | |
2949 } | |
2950 | |
2951 | |
2952 static ngx_int_t | |
2669
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2953 ngx_http_upstream_ignore_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2954 ngx_uint_t offset) |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2955 { |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2956 return NGX_OK; |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2957 } |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2958 |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2959 |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2960 static ngx_int_t |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2961 ngx_http_upstream_process_cache_control(ngx_http_request_t *r, |
509 | 2962 ngx_table_elt_t *h, ngx_uint_t offset) |
2963 { | |
2786
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
2964 ngx_array_t *pa; |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
2965 ngx_table_elt_t **ph; |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
2966 ngx_http_upstream_t *u; |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
2967 |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
2968 u = r->upstream; |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
2969 pa = &u->headers_in.cache_control; |
509 | 2970 |
2971 if (pa->elts == NULL) { | |
2972 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
2973 { | |
2974 return NGX_ERROR; | |
2975 } | |
2976 } | |
2977 | |
2978 ph = ngx_array_push(pa); | |
2979 if (ph == NULL) { | |
2980 return NGX_ERROR; | |
2981 } | |
2982 | |
2983 *ph = h; | |
2984 | |
2708
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
2985 #if (NGX_HTTP_CACHE) |
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
2986 { |
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
2987 u_char *p, *last; |
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
2988 ngx_int_t n; |
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
2989 |
2786
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
2990 if (u->conf->ignore_headers & NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL) { |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
2991 return NGX_OK; |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
2992 } |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
2993 |
2669
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2994 if (r->cache == NULL) { |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2995 return NGX_OK; |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2996 } |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2997 |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2998 if (r->cache->valid_sec != 0) { |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
2999 return NGX_OK; |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3000 } |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3001 |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3002 last = h->value.data + h->value.len; |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3003 |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3004 if (ngx_strlcasestrn(h->value.data, last, (u_char *) "no-cache", 8 - 1) |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3005 != NULL) |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3006 { |
2786
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3007 u->cacheable = 0; |
2669
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3008 return NGX_OK; |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3009 } |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3010 |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3011 p = ngx_strlcasestrn(h->value.data, last, (u_char *) "max-age=", 8 - 1); |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3012 |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3013 if (p == NULL) { |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3014 return NGX_OK; |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3015 } |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3016 |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3017 n = 0; |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3018 |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3019 for (p += 8; p < last; p++) { |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3020 if (*p == ';' || *p == ' ') { |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3021 break; |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3022 } |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3023 |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3024 if (*p >= '0' && *p <= '9') { |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3025 n = n * 10 + *p - '0'; |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3026 continue; |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3027 } |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3028 |
2786
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3029 u->cacheable = 0; |
2669
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3030 return NGX_OK; |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3031 } |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3032 |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3033 if (n == 0) { |
2786
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3034 u->cacheable = 0; |
2669
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3035 return NGX_OK; |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3036 } |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3037 |
5e4d8bd4486c
support Cache-Control no-cache and max-age in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2667
diff
changeset
|
3038 r->cache->valid_sec = ngx_time() + n; |
2708
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
3039 } |
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
3040 #endif |
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
3041 |
509 | 3042 return NGX_OK; |
3043 } | |
3044 | |
3045 | |
3046 static ngx_int_t | |
2666 | 3047 ngx_http_upstream_process_expires(ngx_http_request_t *r, ngx_table_elt_t *h, |
3048 ngx_uint_t offset) | |
3049 { | |
2786
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3050 ngx_http_upstream_t *u; |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3051 |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3052 u = r->upstream; |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3053 u->headers_in.expires = h; |
2708
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
3054 |
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
3055 #if (NGX_HTTP_CACHE) |
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
3056 { |
2666 | 3057 time_t expires; |
3058 | |
2786
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3059 if (u->conf->ignore_headers & NGX_HTTP_UPSTREAM_IGN_EXPIRES) { |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3060 return NGX_OK; |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3061 } |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3062 |
2666 | 3063 if (r->cache == NULL) { |
3064 return NGX_OK; | |
3065 } | |
3066 | |
3067 if (r->cache->valid_sec != 0) { | |
3068 return NGX_OK; | |
3069 } | |
3070 | |
3071 expires = ngx_http_parse_time(h->value.data, h->value.len); | |
3072 | |
3073 if (expires == NGX_ERROR || expires < ngx_time()) { | |
2786
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3074 u->cacheable = 0; |
2666 | 3075 return NGX_OK; |
3076 } | |
3077 | |
3078 r->cache->valid_sec = expires; | |
2708
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
3079 } |
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
3080 #endif |
2666 | 3081 |
3082 return NGX_OK; | |
3083 } | |
3084 | |
3085 | |
3086 static ngx_int_t | |
2663
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3087 ngx_http_upstream_process_accel_expires(ngx_http_request_t *r, |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3088 ngx_table_elt_t *h, ngx_uint_t offset) |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3089 { |
2786
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3090 ngx_http_upstream_t *u; |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3091 |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3092 u = r->upstream; |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3093 u->headers_in.x_accel_expires = h; |
2708
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
3094 |
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
3095 #if (NGX_HTTP_CACHE) |
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
3096 { |
2663
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3097 u_char *p; |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3098 size_t len; |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3099 ngx_int_t n; |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3100 |
2786
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3101 if (u->conf->ignore_headers & NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES) { |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3102 return NGX_OK; |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3103 } |
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3104 |
2663
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3105 if (r->cache == NULL) { |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3106 return NGX_OK; |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3107 } |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3108 |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3109 len = h->value.len; |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3110 p = h->value.data; |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3111 |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3112 if (p[0] != '@') { |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3113 n = ngx_atoi(p, len); |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3114 |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3115 switch (n) { |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3116 case 0: |
2786
4e002555652d
proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents:
2757
diff
changeset
|
3117 u->cacheable = 0; |
2663
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3118 case NGX_ERROR: |
2667 | 3119 return NGX_OK; |
2663
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3120 |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3121 default: |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3122 r->cache->valid_sec = ngx_time() + n; |
2667 | 3123 return NGX_OK; |
2663
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3124 } |
2667 | 3125 } |
3126 | |
3127 p++; | |
3128 len--; | |
3129 | |
3130 n = ngx_atoi(p, len); | |
3131 | |
3132 if (n != NGX_ERROR) { | |
3133 r->cache->valid_sec = n; | |
2663
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3134 } |
2708
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
3135 } |
4c658be4ab63
fix building --without-http-cache, introduced in r2664 and later
Igor Sysoev <igor@sysoev.ru>
parents:
2704
diff
changeset
|
3136 #endif |
2663
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3137 |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3138 return NGX_OK; |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3139 } |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3140 |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3141 |
09725d69cb25
support X-Accel-Expires in cache
Igor Sysoev <igor@sysoev.ru>
parents:
2662
diff
changeset
|
3142 static ngx_int_t |
527 | 3143 ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, ngx_table_elt_t *h, |
3144 ngx_uint_t offset) | |
577 | 3145 { |
527 | 3146 ngx_int_t n; |
3147 | |
3148 r->upstream->headers_in.x_accel_limit_rate = h; | |
3149 | |
3150 n = ngx_atoi(h->value.data, h->value.len); | |
3151 | |
3152 if (n != NGX_ERROR) { | |
3153 r->limit_rate = (size_t) n; | |
3154 } | |
3155 | |
3156 return NGX_OK; | |
3157 } | |
3158 | |
3159 | |
3160 static ngx_int_t | |
649 | 3161 ngx_http_upstream_process_buffering(ngx_http_request_t *r, ngx_table_elt_t *h, |
3162 ngx_uint_t offset) | |
3163 { | |
3164 u_char c0, c1, c2; | |
3165 | |
3166 if (r->upstream->conf->change_buffering) { | |
3167 | |
3168 if (h->value.len == 2) { | |
3169 c0 = ngx_tolower(h->value.data[0]); | |
3170 c1 = ngx_tolower(h->value.data[1]); | |
3171 | |
3172 if (c0 == 'n' && c1 == 'o') { | |
3173 r->upstream->buffering = 0; | |
3174 } | |
3175 | |
3176 } else if (h->value.len == 3) { | |
3177 c0 = ngx_tolower(h->value.data[0]); | |
3178 c1 = ngx_tolower(h->value.data[1]); | |
3179 c2 = ngx_tolower(h->value.data[2]); | |
3180 | |
3181 if (c0 == 'y' && c1 == 'e' && c2 == 's') { | |
3182 r->upstream->buffering = 1; | |
3183 } | |
3184 } | |
3185 } | |
3186 | |
3187 return NGX_OK; | |
3188 } | |
3189 | |
3190 | |
3191 static ngx_int_t | |
657 | 3192 ngx_http_upstream_process_charset(ngx_http_request_t *r, ngx_table_elt_t *h, |
3193 ngx_uint_t offset) | |
3194 { | |
3195 r->headers_out.override_charset = &h->value; | |
3196 | |
3197 return NGX_OK; | |
3198 } | |
3199 | |
3200 | |
3201 static ngx_int_t | |
509 | 3202 ngx_http_upstream_copy_header_line(ngx_http_request_t *r, ngx_table_elt_t *h, |
3203 ngx_uint_t offset) | |
3204 { | |
573 | 3205 ngx_table_elt_t *ho, **ph; |
509 | 3206 |
3207 ho = ngx_list_push(&r->headers_out.headers); | |
3208 if (ho == NULL) { | |
3209 return NGX_ERROR; | |
3210 } | |
3211 | |
3212 *ho = *h; | |
3213 | |
573 | 3214 if (offset) { |
3215 ph = (ngx_table_elt_t **) ((char *) &r->headers_out + offset); | |
3216 *ph = ho; | |
3217 } | |
3218 | |
509 | 3219 return NGX_OK; |
3220 } | |
3221 | |
3222 | |
3223 static ngx_int_t | |
3224 ngx_http_upstream_copy_multi_header_lines(ngx_http_request_t *r, | |
3225 ngx_table_elt_t *h, ngx_uint_t offset) | |
3226 { | |
3227 ngx_array_t *pa; | |
3228 ngx_table_elt_t *ho, **ph; | |
3229 | |
3230 pa = (ngx_array_t *) ((char *) &r->headers_out + offset); | |
3231 | |
3232 if (pa->elts == NULL) { | |
3233 if (ngx_array_init(pa, r->pool, 2, sizeof(ngx_table_elt_t *)) != NGX_OK) | |
3234 { | |
3235 return NGX_ERROR; | |
3236 } | |
3237 } | |
3238 | |
3239 ph = ngx_array_push(pa); | |
3240 if (ph == NULL) { | |
3241 return NGX_ERROR; | |
3242 } | |
3243 | |
3244 ho = ngx_list_push(&r->headers_out.headers); | |
3245 if (ho == NULL) { | |
3246 return NGX_ERROR; | |
3247 } | |
3248 | |
3249 *ho = *h; | |
3250 *ph = ho; | |
3251 | |
3252 return NGX_OK; | |
3253 } | |
3254 | |
3255 | |
3256 static ngx_int_t | |
3257 ngx_http_upstream_copy_content_type(ngx_http_request_t *r, ngx_table_elt_t *h, | |
3258 ngx_uint_t offset) | |
3259 { | |
657 | 3260 u_char *p, *last; |
3261 | |
3262 r->headers_out.content_type_len = h->value.len; | |
509 | 3263 r->headers_out.content_type = h->value; |
2882
896db5a09bd2
reset content_type hash value, this fixes a bug when XSLT responses
Igor Sysoev <igor@sysoev.ru>
parents:
2875
diff
changeset
|
3264 r->headers_out.content_type_lowcase = NULL; |
509 | 3265 |
657 | 3266 for (p = h->value.data; *p; p++) { |
3267 | |
3268 if (*p != ';') { | |
3269 continue; | |
3270 } | |
3271 | |
3272 last = p; | |
3273 | |
3274 while (*++p == ' ') { /* void */ } | |
3275 | |
1968 | 3276 if (*p == '\0') { |
3277 return NGX_OK; | |
3278 } | |
3279 | |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1098
diff
changeset
|
3280 if (ngx_strncasecmp(p, (u_char *) "charset=", 8) != 0) { |
657 | 3281 continue; |
3282 } | |
3283 | |
3284 p += 8; | |
3285 | |
3286 r->headers_out.content_type_len = last - h->value.data; | |
3287 | |
2244 | 3288 if (*p == '"') { |
3289 p++; | |
3290 } | |
3291 | |
3292 last = h->value.data + h->value.len; | |
3293 | |
3294 if (*(last - 1) == '"') { | |
3295 last--; | |
3296 } | |
3297 | |
3298 r->headers_out.charset.len = last - p; | |
657 | 3299 r->headers_out.charset.data = p; |
1143
c6c42497106c
fix segfault if upstream sends trailing ";" in "charset="
Igor Sysoev <igor@sysoev.ru>
parents:
1109
diff
changeset
|
3300 |
c6c42497106c
fix segfault if upstream sends trailing ";" in "charset="
Igor Sysoev <igor@sysoev.ru>
parents:
1109
diff
changeset
|
3301 return NGX_OK; |
657 | 3302 } |
3303 | |
509 | 3304 return NGX_OK; |
3305 } | |
3306 | |
3307 | |
3308 static ngx_int_t | |
3309 ngx_http_upstream_copy_content_length(ngx_http_request_t *r, ngx_table_elt_t *h, | |
3310 ngx_uint_t offset) | |
3311 { | |
3312 ngx_table_elt_t *ho; | |
3313 | |
3314 ho = ngx_list_push(&r->headers_out.headers); | |
3315 if (ho == NULL) { | |
3316 return NGX_ERROR; | |
3317 } | |
3318 | |
3319 *ho = *h; | |
3320 | |
3321 r->headers_out.content_length = ho; | |
3322 r->headers_out.content_length_n = ngx_atoof(h->value.data, h->value.len); | |
3323 | |
3324 return NGX_OK; | |
3325 } | |
3326 | |
3327 | |
3328 static ngx_int_t | |
2592
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3329 ngx_http_upstream_copy_last_modified(ngx_http_request_t *r, ngx_table_elt_t *h, |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3330 ngx_uint_t offset) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3331 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3332 ngx_table_elt_t *ho; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3333 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3334 ho = ngx_list_push(&r->headers_out.headers); |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3335 if (ho == NULL) { |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3336 return NGX_ERROR; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3337 } |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3338 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3339 *ho = *h; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3340 |
3004
4121acaf7a04
fix handling "Last-Modified" and "Accept-Ranges" for upstream responses
Igor Sysoev <igor@sysoev.ru>
parents:
3003
diff
changeset
|
3341 r->headers_out.last_modified = ho; |
4121acaf7a04
fix handling "Last-Modified" and "Accept-Ranges" for upstream responses
Igor Sysoev <igor@sysoev.ru>
parents:
3003
diff
changeset
|
3342 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3343 #if (NGX_HTTP_CACHE) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3344 |
2952 | 3345 if (r->upstream->cacheable) { |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3346 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
|
3347 h->value.len); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3348 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3349 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3350 #endif |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3351 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3352 return NGX_OK; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3353 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3354 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3355 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3356 static ngx_int_t |
509 | 3357 ngx_http_upstream_rewrite_location(ngx_http_request_t *r, ngx_table_elt_t *h, |
3358 ngx_uint_t offset) | |
3359 { | |
3360 ngx_int_t rc; | |
3361 ngx_table_elt_t *ho; | |
3362 | |
3363 ho = ngx_list_push(&r->headers_out.headers); | |
3364 if (ho == NULL) { | |
3365 return NGX_ERROR; | |
3366 } | |
3367 | |
3368 *ho = *h; | |
3369 | |
3370 if (r->upstream->rewrite_redirect) { | |
3371 rc = r->upstream->rewrite_redirect(r, ho, 0); | |
3372 | |
529 | 3373 if (rc == NGX_DECLINED) { |
3374 return NGX_OK; | |
3375 } | |
3376 | |
509 | 3377 if (rc == NGX_OK) { |
3378 r->headers_out.location = ho; | |
3379 | |
3380 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3381 "rewritten location: \"%V\"", &ho->value); | |
3382 } | |
3383 | |
3384 return rc; | |
3385 } | |
3386 | |
1653
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
3387 if (ho->value.data[0] != '/') { |
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
3388 r->headers_out.location = ho; |
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
3389 } |
ea681a6a0c61
set r->headers_out.location for non-local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
1640
diff
changeset
|
3390 |
509 | 3391 /* |
3392 * we do not set r->headers_out.location here to avoid the handling | |
3393 * the local redirects without a host name by ngx_http_header_filter() | |
3394 */ | |
3395 | |
3396 return NGX_OK; | |
3397 } | |
3398 | |
3399 | |
3400 static ngx_int_t | |
3401 ngx_http_upstream_rewrite_refresh(ngx_http_request_t *r, ngx_table_elt_t *h, | |
3402 ngx_uint_t offset) | |
3403 { | |
3404 u_char *p; | |
3405 ngx_int_t rc; | |
3406 ngx_table_elt_t *ho; | |
3407 | |
3408 ho = ngx_list_push(&r->headers_out.headers); | |
3409 if (ho == NULL) { | |
3410 return NGX_ERROR; | |
3411 } | |
3412 | |
3413 *ho = *h; | |
3414 | |
3415 if (r->upstream->rewrite_redirect) { | |
3416 | |
1549 | 3417 p = ngx_strcasestrn(ho->value.data, "url=", 4 - 1); |
509 | 3418 |
3419 if (p) { | |
3420 rc = r->upstream->rewrite_redirect(r, ho, p + 4 - ho->value.data); | |
3421 | |
3422 } else { | |
3423 return NGX_OK; | |
3424 } | |
3425 | |
529 | 3426 if (rc == NGX_DECLINED) { |
3427 return NGX_OK; | |
3428 } | |
3429 | |
509 | 3430 if (rc == NGX_OK) { |
1654 | 3431 r->headers_out.refresh = ho; |
3432 | |
509 | 3433 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
3434 "rewritten refresh: \"%V\"", &ho->value); | |
3435 } | |
3436 | |
3437 return rc; | |
3438 } | |
3439 | |
1654 | 3440 r->headers_out.refresh = ho; |
3441 | |
509 | 3442 return NGX_OK; |
3443 } | |
3444 | |
3445 | |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3446 static ngx_int_t |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3447 ngx_http_upstream_copy_allow_ranges(ngx_http_request_t *r, |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3448 ngx_table_elt_t *h, ngx_uint_t offset) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3449 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3450 ngx_table_elt_t *ho; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3451 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3452 #if (NGX_HTTP_CACHE) |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3453 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3454 if (r->cached) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3455 r->allow_ranges = 1; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3456 return NGX_OK; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3457 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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2536
diff
changeset
|
3458 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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2536
diff
changeset
|
3459 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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2536
diff
changeset
|
3460 #endif |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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2536
diff
changeset
|
3461 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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2536
diff
changeset
|
3462 ho = ngx_list_push(&r->headers_out.headers); |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3463 if (ho == NULL) { |
3a8a53c0c42f
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parents:
2536
diff
changeset
|
3464 return NGX_ERROR; |
3a8a53c0c42f
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parents:
2536
diff
changeset
|
3465 } |
3a8a53c0c42f
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2536
diff
changeset
|
3466 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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2536
diff
changeset
|
3467 *ho = *h; |
3a8a53c0c42f
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parents:
2536
diff
changeset
|
3468 |
3004
4121acaf7a04
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Igor Sysoev <igor@sysoev.ru>
parents:
3003
diff
changeset
|
3469 r->headers_out.accept_ranges = ho; |
4121acaf7a04
fix handling "Last-Modified" and "Accept-Ranges" for upstream responses
Igor Sysoev <igor@sysoev.ru>
parents:
3003
diff
changeset
|
3470 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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2536
diff
changeset
|
3471 return NGX_OK; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
3472 } |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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2536
diff
changeset
|
3473 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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2536
diff
changeset
|
3474 |
509 | 3475 #if (NGX_HTTP_GZIP) |
3476 | |
3477 static ngx_int_t | |
3478 ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r, | |
3479 ngx_table_elt_t *h, ngx_uint_t offset) | |
3480 { | |
3481 ngx_table_elt_t *ho; | |
3482 | |
3483 ho = ngx_list_push(&r->headers_out.headers); | |
3484 if (ho == NULL) { | |
3485 return NGX_ERROR; | |
3486 } | |
3487 | |
3488 *ho = *h; | |
3489 | |
3490 r->headers_out.content_encoding = ho; | |
3491 | |
3492 return NGX_OK; | |
3493 } | |
3494 | |
3495 #endif | |
3496 | |
3497 | |
487 | 3498 static ngx_int_t |
573 | 3499 ngx_http_upstream_add_variables(ngx_conf_t *cf) |
479 | 3500 { |
880 | 3501 ngx_http_variable_t *var, *v; |
479 | 3502 |
573 | 3503 for (v = ngx_http_upstream_vars; v->name.len; v++) { |
3504 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
3505 if (var == NULL) { | |
3506 return NGX_ERROR; | |
3507 } | |
3508 | |
637 | 3509 var->get_handler = v->get_handler; |
573 | 3510 var->data = v->data; |
3511 } | |
3512 | |
479 | 3513 return NGX_OK; |
3514 } | |
509 | 3515 |
3516 | |
573 | 3517 static ngx_int_t |
1181 | 3518 ngx_http_upstream_addr_variable(ngx_http_request_t *r, |
3519 ngx_http_variable_value_t *v, uintptr_t data) | |
3520 { | |
3521 u_char *p; | |
3522 size_t len; | |
3523 ngx_uint_t i; | |
3524 ngx_http_upstream_state_t *state; | |
3525 | |
3526 v->valid = 1; | |
1565 | 3527 v->no_cacheable = 0; |
1181 | 3528 v->not_found = 0; |
3529 | |
3530 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { | |
3531 v->not_found = 1; | |
3532 return NGX_OK; | |
3533 } | |
3534 | |
3535 len = 0; | |
3536 state = r->upstream_states->elts; | |
3537 | |
3538 for (i = 0; i < r->upstream_states->nelts; i++) { | |
3539 if (state[i].peer) { | |
3540 len += state[i].peer->len + 2; | |
3541 | |
3542 } else { | |
3543 len += 3; | |
3544 } | |
3545 } | |
3546 | |
2049 | 3547 p = ngx_pnalloc(r->pool, len); |
1181 | 3548 if (p == NULL) { |
3549 return NGX_ERROR; | |
3550 } | |
3551 | |
3552 v->data = p; | |
3553 | |
3554 i = 0; | |
3555 | |
3556 for ( ;; ) { | |
3557 if (state[i].peer) { | |
3558 p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len); | |
3559 } | |
3560 | |
3561 if (++i == r->upstream_states->nelts) { | |
3562 break; | |
3563 } | |
3564 | |
3565 if (state[i].peer) { | |
3566 *p++ = ','; | |
3567 *p++ = ' '; | |
3568 | |
3569 } else { | |
3570 *p++ = ' '; | |
3571 *p++ = ':'; | |
3572 *p++ = ' '; | |
3573 | |
3574 if (++i == r->upstream_states->nelts) { | |
3575 break; | |
3576 } | |
3577 | |
3578 continue; | |
3579 } | |
3580 } | |
3581 | |
3582 v->len = p - v->data; | |
3583 | |
3584 return NGX_OK; | |
3585 } | |
3586 | |
3587 | |
3588 static ngx_int_t | |
573 | 3589 ngx_http_upstream_status_variable(ngx_http_request_t *r, |
3590 ngx_http_variable_value_t *v, uintptr_t data) | |
3591 { | |
3592 u_char *p; | |
3593 size_t len; | |
3594 ngx_uint_t i; | |
3595 ngx_http_upstream_state_t *state; | |
3596 | |
3597 v->valid = 1; | |
1565 | 3598 v->no_cacheable = 0; |
573 | 3599 v->not_found = 0; |
3600 | |
1168
4d0d12446c3b
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Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3601 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
573 | 3602 v->not_found = 1; |
3603 return NGX_OK; | |
3604 } | |
3605 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3606 len = r->upstream_states->nelts * (3 + 2); |
573 | 3607 |
2049 | 3608 p = ngx_pnalloc(r->pool, len); |
573 | 3609 if (p == NULL) { |
3610 return NGX_ERROR; | |
3611 } | |
3612 | |
3613 v->data = p; | |
3614 | |
3615 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
|
3616 state = r->upstream_states->elts; |
573 | 3617 |
3618 for ( ;; ) { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3619 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
|
3620 p = ngx_sprintf(p, "%ui", state[i].status); |
573 | 3621 |
3622 } else { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3623 *p++ = '-'; |
573 | 3624 } |
3625 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3626 if (++i == r->upstream_states->nelts) { |
573 | 3627 break; |
3628 } | |
3629 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3630 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
|
3631 *p++ = ','; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3632 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3633 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3634 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3635 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3636 *p++ = ':'; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3637 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3638 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3639 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
|
3640 break; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3641 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3642 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3643 continue; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3644 } |
573 | 3645 } |
3646 | |
3647 v->len = p - v->data; | |
3648 | |
3649 return NGX_OK; | |
3650 } | |
3651 | |
3652 | |
3653 static ngx_int_t | |
3654 ngx_http_upstream_response_time_variable(ngx_http_request_t *r, | |
3655 ngx_http_variable_value_t *v, uintptr_t data) | |
3656 { | |
3657 u_char *p; | |
3658 size_t len; | |
3659 ngx_uint_t i; | |
889
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
3660 ngx_msec_int_t ms; |
573 | 3661 ngx_http_upstream_state_t *state; |
3662 | |
3663 v->valid = 1; | |
1565 | 3664 v->no_cacheable = 0; |
573 | 3665 v->not_found = 0; |
3666 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3667 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { |
573 | 3668 v->not_found = 1; |
3669 return NGX_OK; | |
3670 } | |
3671 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3672 len = r->upstream_states->nelts * (NGX_TIME_T_LEN + 4 + 2); |
573 | 3673 |
2049 | 3674 p = ngx_pnalloc(r->pool, len); |
573 | 3675 if (p == NULL) { |
3676 return NGX_ERROR; | |
3677 } | |
3678 | |
3679 v->data = p; | |
3680 | |
3681 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
|
3682 state = r->upstream_states->elts; |
573 | 3683 |
3684 for ( ;; ) { | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3685 if (state[i].status) { |
1640 | 3686 ms = (ngx_msec_int_t) |
3687 (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
|
3688 ms = (ms >= 0) ? ms : 0; |
a9a7e4b1a72b
the previous fix does not actually fix overflow
Igor Sysoev <igor@sysoev.ru>
parents:
888
diff
changeset
|
3689 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
|
3690 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3691 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3692 *p++ = '-'; |
573 | 3693 } |
3694 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3695 if (++i == r->upstream_states->nelts) { |
573 | 3696 break; |
3697 } | |
3698 | |
1168
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3699 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
|
3700 *p++ = ','; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3701 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3702 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3703 } else { |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3704 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3705 *p++ = ':'; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3706 *p++ = ' '; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3707 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3708 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
|
3709 break; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3710 } |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3711 |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3712 continue; |
4d0d12446c3b
store the upstream states before X-Accel-Redirect to a next upstream
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
3713 } |
573 | 3714 } |
3715 | |
3716 v->len = p - v->data; | |
3717 | |
3718 return NGX_OK; | |
3719 } | |
3720 | |
3721 | |
2402 | 3722 static ngx_int_t |
3723 ngx_http_upstream_response_length_variable(ngx_http_request_t *r, | |
3724 ngx_http_variable_value_t *v, uintptr_t data) | |
3725 { | |
3726 u_char *p; | |
3727 size_t len; | |
3728 ngx_uint_t i; | |
3729 ngx_http_upstream_state_t *state; | |
3730 | |
3731 v->valid = 1; | |
3732 v->no_cacheable = 0; | |
3733 v->not_found = 0; | |
3734 | |
3735 if (r->upstream_states == NULL || r->upstream_states->nelts == 0) { | |
3736 v->not_found = 1; | |
3737 return NGX_OK; | |
3738 } | |
3739 | |
3740 len = r->upstream_states->nelts * (NGX_OFF_T_LEN + 2); | |
3741 | |
3742 p = ngx_pnalloc(r->pool, len); | |
3743 if (p == NULL) { | |
3744 return NGX_ERROR; | |
3745 } | |
3746 | |
3747 v->data = p; | |
3748 | |
3749 i = 0; | |
3750 state = r->upstream_states->elts; | |
3751 | |
3752 for ( ;; ) { | |
3753 p = ngx_sprintf(p, "%O", state[i].response_length); | |
3754 | |
3755 if (++i == r->upstream_states->nelts) { | |
3756 break; | |
3757 } | |
3758 | |
3759 if (state[i].peer) { | |
3760 *p++ = ','; | |
3761 *p++ = ' '; | |
3762 | |
3763 } else { | |
3764 *p++ = ' '; | |
3765 *p++ = ':'; | |
3766 *p++ = ' '; | |
3767 | |
3768 if (++i == r->upstream_states->nelts) { | |
3769 break; | |
3770 } | |
3771 | |
3772 continue; | |
3773 } | |
3774 } | |
3775 | |
3776 v->len = p - v->data; | |
3777 | |
3778 return NGX_OK; | |
3779 } | |
3780 | |
3781 | |
1162 | 3782 ngx_int_t |
3783 ngx_http_upstream_header_variable(ngx_http_request_t *r, | |
3784 ngx_http_variable_value_t *v, uintptr_t data) | |
3785 { | |
3786 if (r->upstream == NULL) { | |
3787 v->not_found = 1; | |
3788 return NGX_OK; | |
3789 } | |
3790 | |
3791 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
3792 &r->upstream->headers_in.headers.part, | |
3793 sizeof("upstream_http_") - 1); | |
3794 } | |
3795 | |
3796 | |
2952 | 3797 #if (NGX_HTTP_CACHE) |
3798 | |
3799 ngx_int_t | |
3800 ngx_http_upstream_cache_status(ngx_http_request_t *r, | |
3801 ngx_http_variable_value_t *v, uintptr_t data) | |
3802 { | |
3803 ngx_uint_t n; | |
3804 | |
3805 if (r->upstream == NULL || r->upstream->cache_status == 0) { | |
3806 v->not_found = 1; | |
3807 return NGX_OK; | |
3808 } | |
3809 | |
3810 n = r->upstream->cache_status - 1; | |
3811 | |
3812 v->valid = 1; | |
3813 v->no_cacheable = 0; | |
3814 v->not_found = 0; | |
3815 v->len = ngx_http_cache_status[n].len; | |
3816 v->data = ngx_http_cache_status[n].data; | |
3817 | |
3818 return NGX_OK; | |
3819 } | |
3820 | |
3821 #endif | |
3822 | |
3823 | |
651 | 3824 static char * |
3825 ngx_http_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) | |
3826 { | |
884 | 3827 char *rv; |
3828 void *mconf; | |
3829 ngx_str_t *value; | |
3830 ngx_url_t u; | |
3831 ngx_uint_t m; | |
3832 ngx_conf_t pcf; | |
3833 ngx_http_module_t *module; | |
3834 ngx_http_conf_ctx_t *ctx, *http_ctx; | |
3835 ngx_http_upstream_srv_conf_t *uscf; | |
3836 | |
3837 ngx_memzero(&u, sizeof(ngx_url_t)); | |
3838 | |
3839 value = cf->args->elts; | |
3840 u.host = value[1]; | |
3841 u.no_resolve = 1; | |
3842 | |
3843 uscf = ngx_http_upstream_add(cf, &u, NGX_HTTP_UPSTREAM_CREATE | |
3844 |NGX_HTTP_UPSTREAM_WEIGHT | |
3845 |NGX_HTTP_UPSTREAM_MAX_FAILS | |
3846 |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT | |
3847 |NGX_HTTP_UPSTREAM_DOWN | |
3848 |NGX_HTTP_UPSTREAM_BACKUP); | |
3849 if (uscf == NULL) { | |
3850 return NGX_CONF_ERROR; | |
3851 } | |
3852 | |
651 | 3853 |
3854 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); | |
3855 if (ctx == NULL) { | |
3856 return NGX_CONF_ERROR; | |
3857 } | |
3858 | |
884 | 3859 http_ctx = cf->ctx; |
3860 ctx->main_conf = http_ctx->main_conf; | |
651 | 3861 |
3862 /* the upstream{}'s srv_conf */ | |
3863 | |
3864 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
3865 if (ctx->srv_conf == NULL) { | |
3866 return NGX_CONF_ERROR; | |
3867 } | |
3868 | |
3869 ctx->srv_conf[ngx_http_upstream_module.ctx_index] = uscf; | |
3870 | |
884 | 3871 uscf->srv_conf = ctx->srv_conf; |
3872 | |
651 | 3873 |
3874 /* the upstream{}'s loc_conf */ | |
3875 | |
3876 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
3877 if (ctx->loc_conf == NULL) { | |
3878 return NGX_CONF_ERROR; | |
3879 } | |
3880 | |
3881 for (m = 0; ngx_modules[m]; m++) { | |
3882 if (ngx_modules[m]->type != NGX_HTTP_MODULE) { | |
3883 continue; | |
3884 } | |
3885 | |
3886 module = ngx_modules[m]->ctx; | |
3887 | |
884 | 3888 if (module->create_srv_conf) { |
3889 mconf = module->create_srv_conf(cf); | |
3890 if (mconf == NULL) { | |
3891 return NGX_CONF_ERROR; | |
3892 } | |
3893 | |
3894 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
3895 } | |
3896 | |
651 | 3897 if (module->create_loc_conf) { |
3898 mconf = module->create_loc_conf(cf); | |
3899 if (mconf == NULL) { | |
3900 return NGX_CONF_ERROR; | |
3901 } | |
3902 | |
3903 ctx->loc_conf[ngx_modules[m]->ctx_index] = mconf; | |
3904 } | |
3905 } | |
3906 | |
3907 | |
3908 /* parse inside upstream{} */ | |
3909 | |
3910 pcf = *cf; | |
3911 cf->ctx = ctx; | |
3912 cf->cmd_type = NGX_HTTP_UPS_CONF; | |
3913 | |
3914 rv = ngx_conf_parse(cf, NULL); | |
3915 | |
3916 *cf = pcf; | |
3917 | |
3918 if (rv != NGX_CONF_OK) { | |
3919 return rv; | |
3920 } | |
3921 | |
3922 if (uscf->servers == NULL) { | |
3923 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3924 "no servers are inside upstream"); | |
3925 return NGX_CONF_ERROR; | |
3926 } | |
3927 | |
3928 return rv; | |
3929 } | |
3930 | |
3931 | |
3932 static char * | |
3933 ngx_http_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
3934 { | |
3935 ngx_http_upstream_srv_conf_t *uscf = conf; | |
3936 | |
884 | 3937 time_t fail_timeout; |
3938 ngx_str_t *value, s; | |
3939 ngx_url_t u; | |
3940 ngx_int_t weight, max_fails; | |
3941 ngx_uint_t i; | |
3942 ngx_http_upstream_server_t *us; | |
651 | 3943 |
3944 if (uscf->servers == NULL) { | |
884 | 3945 uscf->servers = ngx_array_create(cf->pool, 4, |
3946 sizeof(ngx_http_upstream_server_t)); | |
651 | 3947 if (uscf->servers == NULL) { |
3948 return NGX_CONF_ERROR; | |
3949 } | |
3950 } | |
3951 | |
884 | 3952 us = ngx_array_push(uscf->servers); |
3953 if (us == NULL) { | |
651 | 3954 return NGX_CONF_ERROR; |
3955 } | |
3956 | |
884 | 3957 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); |
3958 | |
651 | 3959 value = cf->args->elts; |
3960 | |
3961 ngx_memzero(&u, sizeof(ngx_url_t)); | |
3962 | |
3963 u.url = value[1]; | |
906 | 3964 u.default_port = 80; |
651 | 3965 |
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
3966 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
651 | 3967 if (u.err) { |
3968 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3969 "%s in upstream \"%V\"", u.err, &u.url); | |
3970 } | |
3971 | |
3972 return NGX_CONF_ERROR; | |
3973 } | |
3974 | |
663 | 3975 weight = 1; |
884 | 3976 max_fails = 1; |
3977 fail_timeout = 10; | |
3978 | |
3979 for (i = 2; i < cf->args->nelts; i++) { | |
3980 | |
3981 if (ngx_strncmp(value[i].data, "weight=", 7) == 0) { | |
3982 | |
3983 if (!(uscf->flags & NGX_HTTP_UPSTREAM_WEIGHT)) { | |
3984 goto invalid; | |
3985 } | |
3986 | |
3987 weight = ngx_atoi(&value[i].data[7], value[i].len - 7); | |
663 | 3988 |
3989 if (weight == NGX_ERROR || weight == 0) { | |
3990 goto invalid; | |
3991 } | |
3992 | |
884 | 3993 continue; |
3994 } | |
3995 | |
3996 if (ngx_strncmp(value[i].data, "max_fails=", 10) == 0) { | |
3997 | |
3998 if (!(uscf->flags & NGX_HTTP_UPSTREAM_MAX_FAILS)) { | |
3999 goto invalid; | |
4000 } | |
4001 | |
4002 max_fails = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
4003 | |
4004 if (max_fails == NGX_ERROR) { | |
4005 goto invalid; | |
4006 } | |
4007 | |
4008 continue; | |
663 | 4009 } |
884 | 4010 |
4011 if (ngx_strncmp(value[i].data, "fail_timeout=", 13) == 0) { | |
4012 | |
4013 if (!(uscf->flags & NGX_HTTP_UPSTREAM_FAIL_TIMEOUT)) { | |
4014 goto invalid; | |
4015 } | |
4016 | |
4017 s.len = value[i].len - 13; | |
4018 s.data = &value[i].data[13]; | |
4019 | |
4020 fail_timeout = ngx_parse_time(&s, 1); | |
4021 | |
1973 | 4022 if (fail_timeout == NGX_ERROR) { |
884 | 4023 goto invalid; |
4024 } | |
4025 | |
4026 continue; | |
4027 } | |
4028 | |
1378 | 4029 if (ngx_strncmp(value[i].data, "backup", 6) == 0) { |
4030 | |
4031 if (!(uscf->flags & NGX_HTTP_UPSTREAM_BACKUP)) { | |
4032 goto invalid; | |
4033 } | |
4034 | |
4035 us->backup = 1; | |
4036 | |
4037 continue; | |
4038 } | |
4039 | |
884 | 4040 if (ngx_strncmp(value[i].data, "down", 4) == 0) { |
4041 | |
4042 if (!(uscf->flags & NGX_HTTP_UPSTREAM_DOWN)) { | |
4043 goto invalid; | |
4044 } | |
4045 | |
4046 us->down = 1; | |
4047 | |
4048 continue; | |
4049 } | |
4050 | |
4051 goto invalid; | |
663 | 4052 } |
4053 | |
884 | 4054 us->addrs = u.addrs; |
4055 us->naddrs = u.naddrs; | |
4056 us->weight = weight; | |
4057 us->max_fails = max_fails; | |
4058 us->fail_timeout = fail_timeout; | |
651 | 4059 |
4060 return NGX_CONF_OK; | |
663 | 4061 |
4062 invalid: | |
4063 | |
884 | 4064 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
4065 "invalid parameter \"%V\"", &value[i]); | |
663 | 4066 |
4067 return NGX_CONF_ERROR; | |
651 | 4068 } |
4069 | |
4070 | |
4071 ngx_http_upstream_srv_conf_t * | |
884 | 4072 ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags) |
651 | 4073 { |
4074 ngx_uint_t i; | |
884 | 4075 ngx_http_upstream_server_t *us; |
651 | 4076 ngx_http_upstream_srv_conf_t *uscf, **uscfp; |
4077 ngx_http_upstream_main_conf_t *umcf; | |
4078 | |
884 | 4079 if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) { |
4080 | |
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1558
diff
changeset
|
4081 if (ngx_parse_url(cf->pool, u) != NGX_OK) { |
651 | 4082 if (u->err) { |
4083 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
4084 "%s in upstream \"%V\"", u->err, &u->url); | |
4085 } | |
4086 | |
4087 return NULL; | |
4088 } | |
4089 } | |
4090 | |
4091 umcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_upstream_module); | |
4092 | |
4093 uscfp = umcf->upstreams.elts; | |
4094 | |
4095 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
906 | 4096 |
4097 if (uscfp[i]->host.len != u->host.len | |
884 | 4098 || ngx_strncasecmp(uscfp[i]->host.data, u->host.data, u->host.len) |
4099 != 0) | |
4100 { | |
651 | 4101 continue; |
4102 } | |
4103 | |
884 | 4104 if ((flags & NGX_HTTP_UPSTREAM_CREATE) |
4105 && (uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE)) | |
651 | 4106 { |
884 | 4107 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
4108 "duplicate upstream \"%V\"", &u->host); | |
4109 return NULL; | |
651 | 4110 } |
884 | 4111 |
906 | 4112 if ((uscfp[i]->flags & NGX_HTTP_UPSTREAM_CREATE) && u->port) { |
884 | 4113 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
906 | 4114 "upstream \"%V\" may not have port %d", |
4115 &u->host, u->port); | |
4116 return NULL; | |
4117 } | |
4118 | |
4119 if ((flags & NGX_HTTP_UPSTREAM_CREATE) && uscfp[i]->port) { | |
4120 ngx_log_error(NGX_LOG_WARN, cf->log, 0, | |
4121 "upstream \"%V\" may not have port %d in %s:%ui", | |
4122 &u->host, uscfp[i]->port, | |
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
4123 uscfp[i]->file_name, uscfp[i]->line); |
906 | 4124 return NULL; |
4125 } | |
4126 | |
4127 if (uscfp[i]->port != u->port) { | |
4128 continue; | |
884 | 4129 } |
4130 | |
1340 | 4131 if (uscfp[i]->default_port && u->default_port |
4132 && uscfp[i]->default_port != u->default_port) | |
4133 { | |
4134 continue; | |
4135 } | |
4136 | |
884 | 4137 return uscfp[i]; |
651 | 4138 } |
4139 | |
4140 uscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_srv_conf_t)); | |
4141 if (uscf == NULL) { | |
4142 return NULL; | |
4143 } | |
4144 | |
884 | 4145 uscf->flags = flags; |
651 | 4146 uscf->host = u->host; |
1489
56f1ea5baabb
u_char* is enough to keep file name
Igor Sysoev <igor@sysoev.ru>
parents:
1469
diff
changeset
|
4147 uscf->file_name = cf->conf_file->file.name.data; |
651 | 4148 uscf->line = cf->conf_file->line; |
906 | 4149 uscf->port = u->port; |
4150 uscf->default_port = u->default_port; | |
884 | 4151 |
4152 if (u->naddrs == 1) { | |
4153 uscf->servers = ngx_array_create(cf->pool, 1, | |
4154 sizeof(ngx_http_upstream_server_t)); | |
4155 if (uscf->servers == NULL) { | |
4156 return NGX_CONF_ERROR; | |
4157 } | |
4158 | |
4159 us = ngx_array_push(uscf->servers); | |
4160 if (us == NULL) { | |
4161 return NGX_CONF_ERROR; | |
4162 } | |
4163 | |
4164 ngx_memzero(us, sizeof(ngx_http_upstream_server_t)); | |
4165 | |
4166 us->addrs = u->addrs; | |
4167 us->naddrs = u->naddrs; | |
4168 } | |
651 | 4169 |
4170 uscfp = ngx_array_push(&umcf->upstreams); | |
4171 if (uscfp == NULL) { | |
4172 return NULL; | |
4173 } | |
4174 | |
4175 *uscfp = uscf; | |
4176 | |
4177 return uscf; | |
4178 } | |
4179 | |
4180 | |
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4181 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
|
4182 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
|
4183 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
|
4184 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
|
4185 { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4186 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
|
4187 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
|
4188 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
|
4189 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
|
4190 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4191 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
|
4192 && 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
|
4193 { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4194 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
|
4195 |
2929
37b7cd336fdf
inherit proxy_set_header, proxy_hide_header, and fastcgi_hide_header
Igor Sysoev <igor@sysoev.ru>
parents:
2927
diff
changeset
|
4196 if (conf->hide_headers_hash.buckets |
2949
fe484c0be7c0
fix building --without-http-cache, broken in r2930
Igor Sysoev <igor@sysoev.ru>
parents:
2929
diff
changeset
|
4197 #if (NGX_HTTP_CACHE) |
fe484c0be7c0
fix building --without-http-cache, broken in r2930
Igor Sysoev <igor@sysoev.ru>
parents:
2929
diff
changeset
|
4198 && ((conf->cache == NULL) == (prev->cache == NULL)) |
fe484c0be7c0
fix building --without-http-cache, broken in r2930
Igor Sysoev <igor@sysoev.ru>
parents:
2929
diff
changeset
|
4199 #endif |
fe484c0be7c0
fix building --without-http-cache, broken in r2930
Igor Sysoev <igor@sysoev.ru>
parents:
2929
diff
changeset
|
4200 ) |
2929
37b7cd336fdf
inherit proxy_set_header, proxy_hide_header, and fastcgi_hide_header
Igor Sysoev <igor@sysoev.ru>
parents:
2927
diff
changeset
|
4201 { |
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4202 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
|
4203 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4204 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4205 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
|
4206 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
|
4207 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4208 } else { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4209 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
|
4210 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
|
4211 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4212 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4213 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
|
4214 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
|
4215 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4216 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4217 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4218 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
|
4219 != NGX_OK) |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4220 { |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4221 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
|
4222 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4223 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4224 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
|
4225 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
|
4226 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
|
4227 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
|
4228 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4229 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4230 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
|
4231 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
|
4232 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
|
4233 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4234 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4235 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
|
4236 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4237 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
|
4238 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4239 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
|
4240 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4241 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
|
4242 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4243 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
|
4244 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
|
4245 goto exist; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4246 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4247 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4248 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4249 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
|
4250 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
|
4251 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
|
4252 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4253 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4254 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
|
4255 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
|
4256 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
|
4257 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4258 exist: |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4259 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4260 continue; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4261 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4262 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4263 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4264 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
|
4265 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4266 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
|
4267 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
|
4268 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4269 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
|
4270 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
|
4271 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4272 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
|
4273 continue; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4274 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4275 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4276 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
|
4277 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
|
4278 break; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4279 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4280 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4281 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4282 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4283 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4284 hash->hash = &conf->hide_headers_hash; |
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
4285 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
|
4286 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
|
4287 hash->temp_pool = NULL; |
1706
9242e21d2f8d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1705
diff
changeset
|
4288 |
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4289 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
|
4290 } |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4291 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
4292 |
509 | 4293 static void * |
4294 ngx_http_upstream_create_main_conf(ngx_conf_t *cf) | |
4295 { | |
4296 ngx_http_upstream_main_conf_t *umcf; | |
4297 | |
4298 umcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_main_conf_t)); | |
4299 if (umcf == NULL) { | |
4300 return NULL; | |
4301 } | |
4302 | |
651 | 4303 if (ngx_array_init(&umcf->upstreams, cf->pool, 4, |
4304 sizeof(ngx_http_upstream_srv_conf_t *)) | |
4305 != NGX_OK) | |
4306 { | |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2882
diff
changeset
|
4307 return NULL; |
651 | 4308 } |
4309 | |
509 | 4310 return umcf; |
4311 } | |
4312 | |
4313 | |
4314 static char * | |
651 | 4315 ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf) |
509 | 4316 { |
4317 ngx_http_upstream_main_conf_t *umcf = conf; | |
4318 | |
651 | 4319 ngx_uint_t i; |
4320 ngx_array_t headers_in; | |
4321 ngx_hash_key_t *hk; | |
4322 ngx_hash_init_t hash; | |
884 | 4323 ngx_http_upstream_init_pt init; |
651 | 4324 ngx_http_upstream_header_t *header; |
4325 ngx_http_upstream_srv_conf_t **uscfp; | |
4326 | |
4327 uscfp = umcf->upstreams.elts; | |
4328 | |
4329 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
884 | 4330 |
4331 init = uscfp[i]->peer.init_upstream ? uscfp[i]->peer.init_upstream: | |
4332 ngx_http_upstream_init_round_robin; | |
4333 | |
4334 if (init(cf, uscfp[i]) != NGX_OK) { | |
651 | 4335 return NGX_CONF_ERROR; |
4336 } | |
4337 } | |
649 | 4338 |
663 | 4339 |
884 | 4340 /* upstream_headers_in_hash */ |
4341 | |
649 | 4342 if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) |
4343 != NGX_OK) | |
509 | 4344 { |
4345 return NGX_CONF_ERROR; | |
4346 } | |
4347 | |
649 | 4348 for (header = ngx_http_upstream_headers_in; header->name.len; header++) { |
4349 hk = ngx_array_push(&headers_in); | |
4350 if (hk == NULL) { | |
4351 return NGX_CONF_ERROR; | |
4352 } | |
4353 | |
4354 hk->key = header->name; | |
4355 hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len); | |
4356 hk->value = header; | |
4357 } | |
4358 | |
4359 hash.hash = &umcf->headers_in_hash; | |
4360 hash.key = ngx_hash_key_lc; | |
4361 hash.max_size = 512; | |
751
bae59a740c40
align hash bucket size to cache line
Igor Sysoev <igor@sysoev.ru>
parents:
750
diff
changeset
|
4362 hash.bucket_size = ngx_align(64, ngx_cacheline_size); |
649 | 4363 hash.name = "upstream_headers_in_hash"; |
4364 hash.pool = cf->pool; | |
4365 hash.temp_pool = NULL; | |
4366 | |
4367 if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) { | |
4368 return NGX_CONF_ERROR; | |
4369 } | |
509 | 4370 |
4371 return NGX_CONF_OK; | |
4372 } |