Mercurial > hg > nginx-quic
annotate src/http/ngx_http_upstream.h @ 8733:ae70fcb8ac93 stable-1.20
Fixed SSL logging with lingering close.
Recent fixes to SSL shutdown with lingering close (554c6ae25ffc, 1.19.5)
broke logging of SSL variables. To make sure logging of SSL variables
works properly, avoid freeing c->ssl when doing an SSL shutdown before
lingering close.
Reported by Reinis Rozitis
(http://mailman.nginx.org/pipermail/nginx/2021-May/060670.html).
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Tue, 01 Jun 2021 17:37:51 +0300 |
parents | 05e42236e95b |
children | 3ab8e1e2f0f7 |
rev | line source |
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479 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
479 | 5 */ |
6 | |
7 | |
8 #ifndef _NGX_HTTP_UPSTREAM_H_INCLUDED_ | |
9 #define _NGX_HTTP_UPSTREAM_H_INCLUDED_ | |
10 | |
11 | |
12 #include <ngx_config.h> | |
13 #include <ngx_core.h> | |
14 #include <ngx_event.h> | |
15 #include <ngx_event_connect.h> | |
16 #include <ngx_event_pipe.h> | |
17 #include <ngx_http.h> | |
18 | |
19 | |
665 | 20 #define NGX_HTTP_UPSTREAM_FT_ERROR 0x00000002 |
21 #define NGX_HTTP_UPSTREAM_FT_TIMEOUT 0x00000004 | |
22 #define NGX_HTTP_UPSTREAM_FT_INVALID_HEADER 0x00000008 | |
23 #define NGX_HTTP_UPSTREAM_FT_HTTP_500 0x00000010 | |
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24 #define NGX_HTTP_UPSTREAM_FT_HTTP_502 0x00000020 |
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25 #define NGX_HTTP_UPSTREAM_FT_HTTP_503 0x00000040 |
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26 #define NGX_HTTP_UPSTREAM_FT_HTTP_504 0x00000080 |
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27 #define NGX_HTTP_UPSTREAM_FT_HTTP_403 0x00000100 |
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28 #define NGX_HTTP_UPSTREAM_FT_HTTP_404 0x00000200 |
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29 #define NGX_HTTP_UPSTREAM_FT_HTTP_429 0x00000400 |
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30 #define NGX_HTTP_UPSTREAM_FT_UPDATING 0x00000800 |
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31 #define NGX_HTTP_UPSTREAM_FT_BUSY_LOCK 0x00001000 |
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32 #define NGX_HTTP_UPSTREAM_FT_MAX_WAITING 0x00002000 |
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33 #define NGX_HTTP_UPSTREAM_FT_NON_IDEMPOTENT 0x00004000 |
1378 | 34 #define NGX_HTTP_UPSTREAM_FT_NOLIVE 0x40000000 |
665 | 35 #define NGX_HTTP_UPSTREAM_FT_OFF 0x80000000 |
479 | 36 |
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37 #define NGX_HTTP_UPSTREAM_FT_STATUS (NGX_HTTP_UPSTREAM_FT_HTTP_500 \ |
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38 |NGX_HTTP_UPSTREAM_FT_HTTP_502 \ |
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39 |NGX_HTTP_UPSTREAM_FT_HTTP_503 \ |
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40 |NGX_HTTP_UPSTREAM_FT_HTTP_504 \ |
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41 |NGX_HTTP_UPSTREAM_FT_HTTP_403 \ |
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42 |NGX_HTTP_UPSTREAM_FT_HTTP_404 \ |
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43 |NGX_HTTP_UPSTREAM_FT_HTTP_429) |
479 | 44 |
45 #define NGX_HTTP_UPSTREAM_INVALID_HEADER 40 | |
46 | |
47 | |
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48 #define NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT 0x00000002 |
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49 #define NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES 0x00000004 |
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50 #define NGX_HTTP_UPSTREAM_IGN_EXPIRES 0x00000008 |
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51 #define NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL 0x00000010 |
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52 #define NGX_HTTP_UPSTREAM_IGN_SET_COOKIE 0x00000020 |
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53 #define NGX_HTTP_UPSTREAM_IGN_XA_LIMIT_RATE 0x00000040 |
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54 #define NGX_HTTP_UPSTREAM_IGN_XA_BUFFERING 0x00000080 |
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55 #define NGX_HTTP_UPSTREAM_IGN_XA_CHARSET 0x00000100 |
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56 #define NGX_HTTP_UPSTREAM_IGN_VARY 0x00000200 |
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57 |
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58 |
479 | 59 typedef struct { |
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60 ngx_uint_t status; |
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61 ngx_msec_t response_time; |
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62 ngx_msec_t connect_time; |
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63 ngx_msec_t header_time; |
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64 ngx_msec_t queue_time; |
3795 | 65 off_t response_length; |
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66 off_t bytes_received; |
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67 off_t bytes_sent; |
563 | 68 |
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69 ngx_str_t *peer; |
479 | 70 } ngx_http_upstream_state_t; |
71 | |
72 | |
73 typedef struct { | |
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74 ngx_hash_t headers_in_hash; |
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75 ngx_array_t upstreams; |
884 | 76 /* ngx_http_upstream_srv_conf_t */ |
509 | 77 } ngx_http_upstream_main_conf_t; |
78 | |
884 | 79 typedef struct ngx_http_upstream_srv_conf_s ngx_http_upstream_srv_conf_t; |
80 | |
81 typedef ngx_int_t (*ngx_http_upstream_init_pt)(ngx_conf_t *cf, | |
82 ngx_http_upstream_srv_conf_t *us); | |
83 typedef ngx_int_t (*ngx_http_upstream_init_peer_pt)(ngx_http_request_t *r, | |
84 ngx_http_upstream_srv_conf_t *us); | |
85 | |
86 | |
87 typedef struct { | |
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88 ngx_http_upstream_init_pt init_upstream; |
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89 ngx_http_upstream_init_peer_pt init; |
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90 void *data; |
884 | 91 } ngx_http_upstream_peer_t; |
92 | |
509 | 93 |
94 typedef struct { | |
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95 ngx_str_t name; |
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96 ngx_addr_t *addrs; |
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97 ngx_uint_t naddrs; |
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98 ngx_uint_t weight; |
6705 | 99 ngx_uint_t max_conns; |
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100 ngx_uint_t max_fails; |
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101 time_t fail_timeout; |
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102 ngx_msec_t slow_start; |
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103 ngx_uint_t down; |
884 | 104 |
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105 unsigned backup:1; |
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106 |
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107 NGX_COMPAT_BEGIN(6) |
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108 NGX_COMPAT_END |
884 | 109 } ngx_http_upstream_server_t; |
110 | |
651 | 111 |
884 | 112 #define NGX_HTTP_UPSTREAM_CREATE 0x0001 |
113 #define NGX_HTTP_UPSTREAM_WEIGHT 0x0002 | |
114 #define NGX_HTTP_UPSTREAM_MAX_FAILS 0x0004 | |
115 #define NGX_HTTP_UPSTREAM_FAIL_TIMEOUT 0x0008 | |
116 #define NGX_HTTP_UPSTREAM_DOWN 0x0010 | |
117 #define NGX_HTTP_UPSTREAM_BACKUP 0x0020 | |
6705 | 118 #define NGX_HTTP_UPSTREAM_MAX_CONNS 0x0100 |
884 | 119 |
651 | 120 |
884 | 121 struct ngx_http_upstream_srv_conf_s { |
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122 ngx_http_upstream_peer_t peer; |
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123 void **srv_conf; |
884 | 124 |
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125 ngx_array_t *servers; /* ngx_http_upstream_server_t */ |
884 | 126 |
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127 ngx_uint_t flags; |
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128 ngx_str_t host; |
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129 u_char *file_name; |
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130 ngx_uint_t line; |
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131 in_port_t port; |
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132 ngx_uint_t no_port; /* unsigned no_port:1 */ |
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133 |
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134 #if (NGX_HTTP_UPSTREAM_ZONE) |
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135 ngx_shm_zone_t *shm_zone; |
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136 #endif |
884 | 137 }; |
651 | 138 |
139 | |
140 typedef struct { | |
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141 ngx_addr_t *addr; |
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142 ngx_http_complex_value_t *value; |
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143 #if (NGX_HAVE_TRANSPARENT_PROXY) |
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144 ngx_uint_t transparent; /* unsigned transparent:1; */ |
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145 #endif |
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146 } ngx_http_upstream_local_t; |
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147 |
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148 |
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149 typedef struct { |
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150 ngx_http_upstream_srv_conf_t *upstream; |
884 | 151 |
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152 ngx_msec_t connect_timeout; |
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153 ngx_msec_t send_timeout; |
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154 ngx_msec_t read_timeout; |
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155 ngx_msec_t next_upstream_timeout; |
479 | 156 |
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157 size_t send_lowat; |
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158 size_t buffer_size; |
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159 size_t limit_rate; |
529 | 160 |
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161 size_t busy_buffers_size; |
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162 size_t max_temp_file_size; |
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163 size_t temp_file_write_size; |
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164 |
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165 size_t busy_buffers_size_conf; |
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166 size_t max_temp_file_size_conf; |
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167 size_t temp_file_write_size_conf; |
509 | 168 |
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169 ngx_bufs_t bufs; |
529 | 170 |
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171 ngx_uint_t ignore_headers; |
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172 ngx_uint_t next_upstream; |
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173 ngx_uint_t store_access; |
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parents:
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174 ngx_uint_t next_upstream_tries; |
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175 ngx_flag_t buffering; |
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Request body: unbuffered reading.
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diff
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|
176 ngx_flag_t request_buffering; |
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177 ngx_flag_t pass_request_headers; |
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178 ngx_flag_t pass_request_body; |
479 | 179 |
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180 ngx_flag_t ignore_client_abort; |
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181 ngx_flag_t intercept_errors; |
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diff
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182 ngx_flag_t cyclic_temp_file; |
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2aff40b3dea2
Upstream: proxy_force_ranges and friends.
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parents:
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183 ngx_flag_t force_ranges; |
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184 |
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185 ngx_path_t *temp_path; |
479 | 186 |
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187 ngx_hash_t hide_headers_hash; |
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188 ngx_array_t *hide_headers; |
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189 ngx_array_t *pass_headers; |
509 | 190 |
5008
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Fixed and improved the "*_bind" directives of proxying modules.
Ruslan Ermilov <ru@nginx.com>
parents:
5005
diff
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191 ngx_http_upstream_local_t *local; |
7371
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7232
diff
changeset
|
192 ngx_flag_t socket_keepalive; |
3271
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proxy_bind, fastcgi_bind, and memcached_bind
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193 |
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194 #if (NGX_HTTP_CACHE) |
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Valentin Bartenev <vbart@nginx.com>
parents:
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195 ngx_shm_zone_t *cache_zone; |
5951
610832763648
Upstream: added variables support to proxy_cache and friends.
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196 ngx_http_complex_value_t *cache_value; |
479 | 197 |
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198 ngx_uint_t cache_min_uses; |
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199 ngx_uint_t cache_use_stale; |
2875
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proxy_cache_methods and fastcgi_cache_methods
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parents:
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diff
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200 ngx_uint_t cache_methods; |
479 | 201 |
6793
0fba3ed4e7eb
Cache: proxy_cache_max_range_offset and friends.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
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changeset
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202 off_t cache_max_range_offset; |
0fba3ed4e7eb
Cache: proxy_cache_max_range_offset and friends.
Dmitry Volyntsev <xeioex@nginx.com>
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203 |
4385
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Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
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204 ngx_flag_t cache_lock; |
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Cache locks initial implementation.
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205 ngx_msec_t cache_lock_timeout; |
5905
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Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
5883
diff
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206 ngx_msec_t cache_lock_age; |
4385
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Cache locks initial implementation.
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207 |
5441
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Upstream: cache revalidation with conditional requests.
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208 ngx_flag_t cache_revalidate; |
6290
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Upstream: proxy_cache_convert_head directive.
Roman Arutyunyan <arut@nginx.com>
parents:
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209 ngx_flag_t cache_convert_head; |
6906
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Upstream: proxy_cache_background_update and friends.
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210 ngx_flag_t cache_background_update; |
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211 |
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212 ngx_array_t *cache_valid; |
3699
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proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
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parents:
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diff
changeset
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213 ngx_array_t *cache_bypass; |
6709
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Modules compatibility: cache purge fields.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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214 ngx_array_t *cache_purge; |
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215 ngx_array_t *no_cache; |
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216 #endif |
509 | 217 |
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218 ngx_array_t *store_lengths; |
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219 ngx_array_t *store_values; |
1295
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Igor Sysoev <igor@sysoev.ru>
parents:
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220 |
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221 #if (NGX_HTTP_CACHE) |
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222 signed cache:2; |
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223 #endif |
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224 signed store:2; |
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225 unsigned intercept_404:1; |
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226 unsigned change_buffering:1; |
7230
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Upstream: trailers support, u->conf->pass_trailers flag.
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227 unsigned pass_trailers:1; |
7232
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Upstream: u->conf->preserve_output flag.
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228 unsigned preserve_output:1; |
581 | 229 |
6735
e38e9c50a40e
Modules compatibility: compatibility with NGX_HTTP_SSL.
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230 #if (NGX_HTTP_SSL || NGX_COMPAT) |
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231 ngx_ssl_t *ssl; |
2754 | 232 ngx_flag_t ssl_session_reuse; |
5660
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Upstream: proxy_ssl_name and proxy_ssl_server_name directives.
Maxim Dounin <mdounin@mdounin.ru>
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233 |
7022564a9e0e
Upstream: proxy_ssl_name and proxy_ssl_server_name directives.
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234 ngx_http_complex_value_t *ssl_name; |
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Upstream: proxy_ssl_name and proxy_ssl_server_name directives.
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parents:
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235 ngx_flag_t ssl_server_name; |
5661
060c2e692b96
Upstream: proxy_ssl_verify and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
236 ngx_flag_t ssl_verify; |
577 | 237 #endif |
238 | |
3976
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update r3945 with more descriptive error message
Igor Sysoev <igor@sysoev.ru>
parents:
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239 ngx_str_t module; |
6715
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Introduced the NGX_COMPAT macro.
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240 |
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241 NGX_COMPAT_BEGIN(2) |
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Introduced the NGX_COMPAT macro.
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242 NGX_COMPAT_END |
479 | 243 } ngx_http_upstream_conf_t; |
244 | |
245 | |
509 | 246 typedef struct { |
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247 ngx_str_t name; |
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248 ngx_http_header_handler_pt handler; |
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249 ngx_uint_t offset; |
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250 ngx_http_header_handler_pt copy_handler; |
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251 ngx_uint_t conf; |
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252 ngx_uint_t redirect; /* unsigned redirect:1; */ |
509 | 253 } ngx_http_upstream_header_t; |
254 | |
255 | |
256 typedef struct { | |
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257 ngx_list_t headers; |
7230
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Upstream: trailers support, u->conf->pass_trailers flag.
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258 ngx_list_t trailers; |
509 | 259 |
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260 ngx_uint_t status_n; |
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261 ngx_str_t status_line; |
529 | 262 |
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263 ngx_table_elt_t *status; |
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264 ngx_table_elt_t *date; |
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265 ngx_table_elt_t *server; |
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266 ngx_table_elt_t *connection; |
509 | 267 |
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268 ngx_table_elt_t *expires; |
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269 ngx_table_elt_t *etag; |
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270 ngx_table_elt_t *x_accel_expires; |
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271 ngx_table_elt_t *x_accel_redirect; |
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272 ngx_table_elt_t *x_accel_limit_rate; |
509 | 273 |
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274 ngx_table_elt_t *content_type; |
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275 ngx_table_elt_t *content_length; |
509 | 276 |
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277 ngx_table_elt_t *last_modified; |
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278 ngx_table_elt_t *location; |
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279 ngx_table_elt_t *accept_ranges; |
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|
280 ngx_table_elt_t *www_authenticate; |
4123
0ee350b5177c
Upstream: Transfer-Encoding header processing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4120
diff
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|
281 ngx_table_elt_t *transfer_encoding; |
5877
60fde1bc7236
Cache: disable caching of responses with Vary (ticket #118).
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
282 ngx_table_elt_t *vary; |
509 | 283 |
284 #if (NGX_HTTP_GZIP) | |
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285 ngx_table_elt_t *content_encoding; |
509 | 286 #endif |
287 | |
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288 ngx_array_t cache_control; |
5677
3a48775f1535
Upstream: added the "$upstream_cookie_<name>" variables.
Vladimir Homutov <vl@nginx.com>
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|
289 ngx_array_t cookies; |
4123
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Upstream: Transfer-Encoding header processing.
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|
290 |
5732
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Upstream: fixed cache revalidation with SSI.
Maxim Dounin <mdounin@mdounin.ru>
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5717
diff
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|
291 off_t content_length_n; |
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Upstream: fixed cache revalidation with SSI.
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|
292 time_t last_modified_time; |
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Upstream: fixed cache revalidation with SSI.
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|
293 |
4124
0c30976f5bfa
Upstream: Connection header processing.
Maxim Dounin <mdounin@mdounin.ru>
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|
294 unsigned connection_close:1; |
4123
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295 unsigned chunked:1; |
509 | 296 } ngx_http_upstream_headers_in_t; |
297 | |
479 | 298 |
1658 | 299 typedef struct { |
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300 ngx_str_t host; |
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301 in_port_t port; |
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302 ngx_uint_t no_port; /* unsigned no_port:1 */ |
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|
303 |
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304 ngx_uint_t naddrs; |
6458
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Resolver: added support for SRV records.
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parents:
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|
305 ngx_resolver_addr_t *addrs; |
2422
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306 |
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307 struct sockaddr *sockaddr; |
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|
308 socklen_t socklen; |
6785
d1d0dd69a419
Upstream: added the ngx_http_upstream_resolved_t.name field.
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|
309 ngx_str_t name; |
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310 |
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311 ngx_resolver_ctx_t *ctx; |
1658 | 312 } ngx_http_upstream_resolved_t; |
313 | |
314 | |
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315 typedef void (*ngx_http_upstream_handler_pt)(ngx_http_request_t *r, |
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316 ngx_http_upstream_t *u); |
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317 |
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318 |
479 | 319 struct ngx_http_upstream_s { |
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320 ngx_http_upstream_handler_pt read_event_handler; |
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321 ngx_http_upstream_handler_pt write_event_handler; |
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322 |
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323 ngx_peer_connection_t peer; |
479 | 324 |
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325 ngx_event_pipe_t *pipe; |
479 | 326 |
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327 ngx_chain_t *request_bufs; |
479 | 328 |
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329 ngx_output_chain_ctx_t output; |
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330 ngx_chain_writer_ctx_t writer; |
479 | 331 |
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332 ngx_http_upstream_conf_t *conf; |
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333 ngx_http_upstream_srv_conf_t *upstream; |
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334 #if (NGX_HTTP_CACHE) |
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335 ngx_array_t *caches; |
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336 #endif |
479 | 337 |
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338 ngx_http_upstream_headers_in_t headers_in; |
509 | 339 |
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340 ngx_http_upstream_resolved_t *resolved; |
1658 | 341 |
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342 ngx_buf_t from_client; |
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343 |
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344 ngx_buf_t buffer; |
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345 off_t length; |
581 | 346 |
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347 ngx_chain_t *out_bufs; |
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348 ngx_chain_t *busy_bufs; |
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349 ngx_chain_t *free_bufs; |
581 | 350 |
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351 ngx_int_t (*input_filter_init)(void *data); |
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352 ngx_int_t (*input_filter)(void *data, ssize_t bytes); |
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353 void *input_filter_ctx; |
479 | 354 |
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355 #if (NGX_HTTP_CACHE) |
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356 ngx_int_t (*create_key)(ngx_http_request_t *r); |
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357 #endif |
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358 ngx_int_t (*create_request)(ngx_http_request_t *r); |
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359 ngx_int_t (*reinit_request)(ngx_http_request_t *r); |
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360 ngx_int_t (*process_header)(ngx_http_request_t *r); |
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361 void (*abort_request)(ngx_http_request_t *r); |
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362 void (*finalize_request)(ngx_http_request_t *r, |
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363 ngx_int_t rc); |
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364 ngx_int_t (*rewrite_redirect)(ngx_http_request_t *r, |
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365 ngx_table_elt_t *h, size_t prefix); |
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366 ngx_int_t (*rewrite_cookie)(ngx_http_request_t *r, |
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367 ngx_table_elt_t *h); |
479 | 368 |
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369 ngx_msec_t start_time; |
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370 |
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371 ngx_http_upstream_state_t *state; |
479 | 372 |
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373 ngx_str_t method; |
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374 ngx_str_t schema; |
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375 ngx_str_t uri; |
555 | 376 |
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377 #if (NGX_HTTP_SSL || NGX_COMPAT) |
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378 ngx_str_t ssl_name; |
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379 #endif |
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380 |
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381 ngx_http_cleanup_pt *cleanup; |
569 | 382 |
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383 unsigned store:1; |
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384 unsigned cacheable:1; |
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385 unsigned accel:1; |
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386 unsigned ssl:1; |
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387 #if (NGX_HTTP_CACHE) |
2952 | 388 unsigned cache_status:3; |
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389 #endif |
479 | 390 |
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391 unsigned buffering:1; |
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392 unsigned keepalive:1; |
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393 unsigned upgrade:1; |
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394 unsigned error:1; |
649 | 395 |
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396 unsigned request_sent:1; |
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397 unsigned request_body_sent:1; |
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398 unsigned request_body_blocked:1; |
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399 unsigned header_sent:1; |
479 | 400 }; |
401 | |
402 | |
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403 typedef struct { |
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404 ngx_uint_t status; |
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405 ngx_uint_t mask; |
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406 } ngx_http_upstream_next_t; |
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407 |
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408 |
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409 typedef struct { |
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410 ngx_str_t key; |
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411 ngx_str_t value; |
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412 ngx_uint_t skip_empty; |
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413 } ngx_http_upstream_param_t; |
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414 |
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415 |
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416 ngx_int_t ngx_http_upstream_create(ngx_http_request_t *r); |
479 | 417 void ngx_http_upstream_init(ngx_http_request_t *r); |
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418 ngx_int_t ngx_http_upstream_non_buffered_filter_init(void *data); |
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419 ngx_int_t ngx_http_upstream_non_buffered_filter(void *data, ssize_t bytes); |
651 | 420 ngx_http_upstream_srv_conf_t *ngx_http_upstream_add(ngx_conf_t *cf, |
884 | 421 ngx_url_t *u, ngx_uint_t flags); |
3399 | 422 char *ngx_http_upstream_bind_set_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
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423 void *conf); |
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424 char *ngx_http_upstream_param_set_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
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425 void *conf); |
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426 ngx_int_t ngx_http_upstream_hide_headers_hash(ngx_conf_t *cf, |
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427 ngx_http_upstream_conf_t *conf, ngx_http_upstream_conf_t *prev, |
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428 ngx_str_t *default_hide_headers, ngx_hash_init_t *hash); |
884 | 429 |
430 | |
431 #define ngx_http_conf_upstream_srv_conf(uscf, module) \ | |
432 uscf->srv_conf[module.ctx_index] | |
509 | 433 |
479 | 434 |
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435 extern ngx_module_t ngx_http_upstream_module; |
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436 extern ngx_conf_bitmask_t ngx_http_upstream_cache_method_mask[]; |
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437 extern ngx_conf_bitmask_t ngx_http_upstream_ignore_headers_masks[]; |
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438 |
479 | 439 |
440 #endif /* _NGX_HTTP_UPSTREAM_H_INCLUDED_ */ |