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annotate src/http/ngx_http_upstream.h @ 5660:7022564a9e0e

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Upstream: proxy_ssl_name and proxy_ssl_server_name directives. These directives allow to switch on Server Name Indication (SNI) while connecting to upstream servers. By default, proxy_ssl_server_name is currently off (that is, no SNI) and proxy_ssl_name is set to a host used in the proxy_pass directive.
author Maxim Dounin <mdounin@mdounin.ru>
date Fri, 18 Apr 2014 20:13:28 +0400
parents 07dd5bd222ac
children 060c2e692b96
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #ifndef _NGX_HTTP_UPSTREAM_H_INCLUDED_
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9 #define _NGX_HTTP_UPSTREAM_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14 #include <ngx_event.h>
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15 #include <ngx_event_connect.h>
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16 #include <ngx_event_pipe.h>
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17 #include <ngx_http.h>
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20 #define NGX_HTTP_UPSTREAM_FT_ERROR 0x00000002
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21 #define NGX_HTTP_UPSTREAM_FT_TIMEOUT 0x00000004
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22 #define NGX_HTTP_UPSTREAM_FT_INVALID_HEADER 0x00000008
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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_UPDATING 0x00000400
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30 #define NGX_HTTP_UPSTREAM_FT_BUSY_LOCK 0x00000800
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31 #define NGX_HTTP_UPSTREAM_FT_MAX_WAITING 0x00001000
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32 #define NGX_HTTP_UPSTREAM_FT_NOLIVE 0x40000000
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33 #define NGX_HTTP_UPSTREAM_FT_OFF 0x80000000
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35 #define NGX_HTTP_UPSTREAM_FT_STATUS (NGX_HTTP_UPSTREAM_FT_HTTP_500 \
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36 |NGX_HTTP_UPSTREAM_FT_HTTP_502 \
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37 |NGX_HTTP_UPSTREAM_FT_HTTP_503 \
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38 |NGX_HTTP_UPSTREAM_FT_HTTP_504 \
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39 |NGX_HTTP_UPSTREAM_FT_HTTP_403 \
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40 |NGX_HTTP_UPSTREAM_FT_HTTP_404)
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42 #define NGX_HTTP_UPSTREAM_INVALID_HEADER 40
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45 #define NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT 0x00000002
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46 #define NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES 0x00000004
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47 #define NGX_HTTP_UPSTREAM_IGN_EXPIRES 0x00000008
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48 #define NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL 0x00000010
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49 #define NGX_HTTP_UPSTREAM_IGN_SET_COOKIE 0x00000020
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50 #define NGX_HTTP_UPSTREAM_IGN_XA_LIMIT_RATE 0x00000040
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51 #define NGX_HTTP_UPSTREAM_IGN_XA_BUFFERING 0x00000080
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52 #define NGX_HTTP_UPSTREAM_IGN_XA_CHARSET 0x00000100
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54
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55 typedef struct {
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56 ngx_msec_t bl_time;
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57 ngx_uint_t bl_state;
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59 ngx_uint_t status;
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60 time_t response_sec;
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61 ngx_uint_t response_msec;
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62 off_t response_length;
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63
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64 ngx_str_t *peer;
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65 } ngx_http_upstream_state_t;
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68 typedef struct {
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69 ngx_hash_t headers_in_hash;
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70 ngx_array_t upstreams;
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71 /* ngx_http_upstream_srv_conf_t */
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72 } ngx_http_upstream_main_conf_t;
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74 typedef struct ngx_http_upstream_srv_conf_s ngx_http_upstream_srv_conf_t;
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75
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76 typedef ngx_int_t (*ngx_http_upstream_init_pt)(ngx_conf_t *cf,
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77 ngx_http_upstream_srv_conf_t *us);
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78 typedef ngx_int_t (*ngx_http_upstream_init_peer_pt)(ngx_http_request_t *r,
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79 ngx_http_upstream_srv_conf_t *us);
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81
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82 typedef struct {
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83 ngx_http_upstream_init_pt init_upstream;
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84 ngx_http_upstream_init_peer_pt init;
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85 void *data;
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86 } ngx_http_upstream_peer_t;
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89 typedef struct {
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90 ngx_addr_t *addrs;
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91 ngx_uint_t naddrs;
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92 ngx_uint_t weight;
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93 ngx_uint_t max_fails;
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94 time_t fail_timeout;
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96 unsigned down:1;
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97 unsigned backup:1;
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98 } ngx_http_upstream_server_t;
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99
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100
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101 #define NGX_HTTP_UPSTREAM_CREATE 0x0001
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102 #define NGX_HTTP_UPSTREAM_WEIGHT 0x0002
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103 #define NGX_HTTP_UPSTREAM_MAX_FAILS 0x0004
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104 #define NGX_HTTP_UPSTREAM_FAIL_TIMEOUT 0x0008
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105 #define NGX_HTTP_UPSTREAM_DOWN 0x0010
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106 #define NGX_HTTP_UPSTREAM_BACKUP 0x0020
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108
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109 struct ngx_http_upstream_srv_conf_s {
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110 ngx_http_upstream_peer_t peer;
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111 void **srv_conf;
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112
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113 ngx_array_t *servers; /* ngx_http_upstream_server_t */
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114
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115 ngx_uint_t flags;
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116 ngx_str_t host;
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117 u_char *file_name;
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118 ngx_uint_t line;
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119 in_port_t port;
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120 in_port_t default_port;
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121 ngx_uint_t no_port; /* unsigned no_port:1 */
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122 };
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125 typedef struct {
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126 ngx_addr_t *addr;
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127 ngx_http_complex_value_t *value;
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128 } ngx_http_upstream_local_t;
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131 typedef struct {
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Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
132 ngx_http_upstream_srv_conf_t *upstream;
884
4d68c486fcb0 upstream choice modules
Igor Sysoev <igor@sysoev.ru>
parents: 675
diff changeset
133
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
134 ngx_msec_t connect_timeout;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
135 ngx_msec_t send_timeout;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
136 ngx_msec_t read_timeout;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
137 ngx_msec_t timeout;
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
139 size_t send_lowat;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
140 size_t buffer_size;
529
e5d7d0334fdb nginx-0.1.39-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 527
diff changeset
141
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
142 size_t busy_buffers_size;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
143 size_t max_temp_file_size;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
144 size_t temp_file_write_size;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
145
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
146 size_t busy_buffers_size_conf;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
147 size_t max_temp_file_size_conf;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
148 size_t temp_file_write_size_conf;
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
149
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
150 ngx_bufs_t bufs;
529
e5d7d0334fdb nginx-0.1.39-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 527
diff changeset
151
2786
4e002555652d proxy_ignore_headers and fastcgi_ignore_headers
Igor Sysoev <igor@sysoev.ru>
parents: 2754
diff changeset
152 ngx_uint_t ignore_headers;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
153 ngx_uint_t next_upstream;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
154 ngx_uint_t store_access;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
155 ngx_flag_t buffering;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
156 ngx_flag_t pass_request_headers;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
157 ngx_flag_t pass_request_body;
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
159 ngx_flag_t ignore_client_abort;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
160 ngx_flag_t intercept_errors;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
161 ngx_flag_t cyclic_temp_file;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
162
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
163 ngx_path_t *temp_path;
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
165 ngx_hash_t hide_headers_hash;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
166 ngx_array_t *hide_headers;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
167 ngx_array_t *pass_headers;
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
168
5008
fd84344f1df7 Fixed and improved the "*_bind" directives of proxying modules.
Ruslan Ermilov <ru@nginx.com>
parents: 5005
diff changeset
169 ngx_http_upstream_local_t *local;
3271
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 3269
diff changeset
170
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
171 #if (NGX_HTTP_CACHE)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
172 ngx_shm_zone_t *cache;
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
174 ngx_uint_t cache_min_uses;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
175 ngx_uint_t cache_use_stale;
2875
6e1941b321b7 proxy_cache_methods and fastcgi_cache_methods
Igor Sysoev <igor@sysoev.ru>
parents: 2786
diff changeset
176 ngx_uint_t cache_methods;
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4328
diff changeset
178 ngx_flag_t cache_lock;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4328
diff changeset
179 ngx_msec_t cache_lock_timeout;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4328
diff changeset
180
5441
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5231
diff changeset
181 ngx_flag_t cache_revalidate;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5231
diff changeset
182
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
183 ngx_array_t *cache_valid;
3699
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3669
diff changeset
184 ngx_array_t *cache_bypass;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3669
diff changeset
185 ngx_array_t *no_cache;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
186 #endif
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
187
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
188 ngx_array_t *store_lengths;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
189 ngx_array_t *store_values;
1295
5383f5232364 proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents: 1291
diff changeset
190
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
191 signed store:2;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
192 unsigned intercept_404:1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
193 unsigned change_buffering:1;
581
326634fb9d47 nginx-0.3.12-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
194
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
195 #if (NGX_HTTP_SSL)
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
196 ngx_ssl_t *ssl;
2754
7d16774c757c style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2592
diff changeset
197 ngx_flag_t ssl_session_reuse;
5660
7022564a9e0e Upstream: proxy_ssl_name and proxy_ssl_server_name directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5475
diff changeset
198
7022564a9e0e Upstream: proxy_ssl_name and proxy_ssl_server_name directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5475
diff changeset
199 ngx_http_complex_value_t *ssl_name;
7022564a9e0e Upstream: proxy_ssl_name and proxy_ssl_server_name directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5475
diff changeset
200 ngx_flag_t ssl_server_name;
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
201 #endif
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
202
3976
215fe9223419 update r3945 with more descriptive error message
Igor Sysoev <igor@sysoev.ru>
parents: 3795
diff changeset
203 ngx_str_t module;
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 } ngx_http_upstream_conf_t;
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
207 typedef struct {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
208 ngx_str_t name;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
209 ngx_http_header_handler_pt handler;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
210 ngx_uint_t offset;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
211 ngx_http_header_handler_pt copy_handler;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
212 ngx_uint_t conf;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
213 ngx_uint_t redirect; /* unsigned redirect:1; */
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
214 } ngx_http_upstream_header_t;
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
215
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
216
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
217 typedef struct {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
218 ngx_list_t headers;
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
219
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
220 ngx_uint_t status_n;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
221 ngx_str_t status_line;
529
e5d7d0334fdb nginx-0.1.39-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 527
diff changeset
222
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
223 ngx_table_elt_t *status;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
224 ngx_table_elt_t *date;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
225 ngx_table_elt_t *server;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
226 ngx_table_elt_t *connection;
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
227
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
228 ngx_table_elt_t *expires;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
229 ngx_table_elt_t *etag;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
230 ngx_table_elt_t *x_accel_expires;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
231 ngx_table_elt_t *x_accel_redirect;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
232 ngx_table_elt_t *x_accel_limit_rate;
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
233
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
234 ngx_table_elt_t *content_type;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
235 ngx_table_elt_t *content_length;
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
236
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
237 ngx_table_elt_t *last_modified;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
238 ngx_table_elt_t *location;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
239 ngx_table_elt_t *accept_ranges;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
240 ngx_table_elt_t *www_authenticate;
4123
0ee350b5177c Upstream: Transfer-Encoding header processing.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4120
diff changeset
241 ngx_table_elt_t *transfer_encoding;
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
242
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
243 #if (NGX_HTTP_GZIP)
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
244 ngx_table_elt_t *content_encoding;
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
245 #endif
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
246
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
247 off_t content_length_n;
1885
e5897822515f test response length in proxy/fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents: 1701
diff changeset
248
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
249 ngx_array_t cache_control;
4123
0ee350b5177c Upstream: Transfer-Encoding header processing.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4120
diff changeset
250
4124
0c30976f5bfa Upstream: Connection header processing.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4123
diff changeset
251 unsigned connection_close:1;
4123
0ee350b5177c Upstream: Transfer-Encoding header processing.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4120
diff changeset
252 unsigned chunked:1;
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
253 } ngx_http_upstream_headers_in_t;
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
254
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
255
1658
13f8dec720b5 proxy_pass variables support
Igor Sysoev <igor@sysoev.ru>
parents: 1565
diff changeset
256 typedef struct {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
257 ngx_str_t host;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
258 in_port_t port;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
259 ngx_uint_t no_port; /* unsigned no_port:1 */
2422
7af1e5fe102c variable support for unix sockets in fastcgi_pass and proxy_pass
Igor Sysoev <igor@sysoev.ru>
parents: 2402
diff changeset
260
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
261 ngx_uint_t naddrs;
5475
07dd5bd222ac Changed resolver API to use ngx_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents: 5441
diff changeset
262 ngx_addr_t *addrs;
2422
7af1e5fe102c variable support for unix sockets in fastcgi_pass and proxy_pass
Igor Sysoev <igor@sysoev.ru>
parents: 2402
diff changeset
263
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
264 struct sockaddr *sockaddr;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
265 socklen_t socklen;
2422
7af1e5fe102c variable support for unix sockets in fastcgi_pass and proxy_pass
Igor Sysoev <igor@sysoev.ru>
parents: 2402
diff changeset
266
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 2422
diff changeset
267 ngx_resolver_ctx_t *ctx;
1658
13f8dec720b5 proxy_pass variables support
Igor Sysoev <igor@sysoev.ru>
parents: 1565
diff changeset
268 } ngx_http_upstream_resolved_t;
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269
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270
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271 typedef void (*ngx_http_upstream_handler_pt)(ngx_http_request_t *r,
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272 ngx_http_upstream_t *u);
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273
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parents: 2377
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274
479
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275 struct ngx_http_upstream_s {
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276 ngx_http_upstream_handler_pt read_event_handler;
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diff changeset
277 ngx_http_upstream_handler_pt write_event_handler;
2377
87b8c44906b5 *) refactor subrequest handling, now they run as separate posted requests
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parents: 2285
diff changeset
278
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diff changeset
279 ngx_peer_connection_t peer;
479
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diff changeset
280
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diff changeset
281 ngx_event_pipe_t *pipe;
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diff changeset
282
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diff changeset
283 ngx_chain_t *request_bufs;
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diff changeset
284
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diff changeset
285 ngx_output_chain_ctx_t output;
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parents: 2422
diff changeset
286 ngx_chain_writer_ctx_t writer;
479
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parents:
diff changeset
287
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diff changeset
288 ngx_http_upstream_conf_t *conf;
479
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289
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diff changeset
290 ngx_http_upstream_headers_in_t headers_in;
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
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parents: 507
diff changeset
291
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diff changeset
292 ngx_http_upstream_resolved_t *resolved;
1658
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parents: 1565
diff changeset
293
5072
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parents: 5008
diff changeset
294 ngx_buf_t from_client;
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parents: 5008
diff changeset
295
2592
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diff changeset
296 ngx_buf_t buffer;
4118
dbddec65fdab Upstream: r->upstream->length type change to off_t.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3976
diff changeset
297 off_t length;
581
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parents: 577
diff changeset
298
2592
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diff changeset
299 ngx_chain_t *out_bufs;
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parents: 2422
diff changeset
300 ngx_chain_t *busy_bufs;
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parents: 2422
diff changeset
301 ngx_chain_t *free_bufs;
581
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parents: 577
diff changeset
302
2592
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diff changeset
303 ngx_int_t (*input_filter_init)(void *data);
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parents: 2422
diff changeset
304 ngx_int_t (*input_filter)(void *data, ssize_t bytes);
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parents: 2422
diff changeset
305 void *input_filter_ctx;
479
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parents:
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306
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diff changeset
307 #if (NGX_HTTP_CACHE)
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parents: 2422
diff changeset
308 ngx_int_t (*create_key)(ngx_http_request_t *r);
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parents: 2422
diff changeset
309 #endif
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parents: 2422
diff changeset
310 ngx_int_t (*create_request)(ngx_http_request_t *r);
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parents: 2422
diff changeset
311 ngx_int_t (*reinit_request)(ngx_http_request_t *r);
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parents: 2422
diff changeset
312 ngx_int_t (*process_header)(ngx_http_request_t *r);
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parents: 2422
diff changeset
313 void (*abort_request)(ngx_http_request_t *r);
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parents: 2422
diff changeset
314 void (*finalize_request)(ngx_http_request_t *r,
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parents: 2422
diff changeset
315 ngx_int_t rc);
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parents: 2422
diff changeset
316 ngx_int_t (*rewrite_redirect)(ngx_http_request_t *r,
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parents: 2422
diff changeset
317 ngx_table_elt_t *h, size_t prefix);
4464
7bf3b68239a3 Upstream: added callback hook for the "Set-Cookie" header.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
318 ngx_int_t (*rewrite_cookie)(ngx_http_request_t *r,
7bf3b68239a3 Upstream: added callback hook for the "Set-Cookie" header.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
319 ngx_table_elt_t *h);
479
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parents:
diff changeset
320
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diff changeset
321 ngx_msec_t timeout;
527
7fa11e5c6e96 nginx-0.1.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
322
2592
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diff changeset
323 ngx_http_upstream_state_t *state;
479
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diff changeset
324
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diff changeset
325 ngx_str_t method;
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parents: 2422
diff changeset
326 ngx_str_t schema;
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parents: 2422
diff changeset
327 ngx_str_t uri;
555
7bd37aef1e7e nginx-0.2.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 529
diff changeset
328
5660
7022564a9e0e Upstream: proxy_ssl_name and proxy_ssl_server_name directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5475
diff changeset
329 #if (NGX_HTTP_SSL)
7022564a9e0e Upstream: proxy_ssl_name and proxy_ssl_server_name directives.
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parents: 5475
diff changeset
330 ngx_str_t ssl_name;
7022564a9e0e Upstream: proxy_ssl_name and proxy_ssl_server_name directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5475
diff changeset
331 #endif
7022564a9e0e Upstream: proxy_ssl_name and proxy_ssl_server_name directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5475
diff changeset
332
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diff changeset
333 ngx_http_cleanup_pt *cleanup;
569
174f1e853e1e nginx-0.3.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
334
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diff changeset
335 unsigned store:1;
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parents: 2422
diff changeset
336 unsigned cacheable:1;
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parents: 2422
diff changeset
337 unsigned accel:1;
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parents: 2422
diff changeset
338 unsigned ssl:1;
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parents: 2422
diff changeset
339 #if (NGX_HTTP_CACHE)
2952
0998606fbfd4 $upstream_cache_status
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parents: 2927
diff changeset
340 unsigned cache_status:3;
2592
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diff changeset
341 #endif
479
c52408583801 nginx-0.1.14-RELEASE import
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parents:
diff changeset
342
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diff changeset
343 unsigned buffering:1;
4120
42135dd1f0ea Upstream: keepalive flag.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4118
diff changeset
344 unsigned keepalive:1;
5072
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diff changeset
345 unsigned upgrade:1;
649
1e720b0be7ec nginx-0.3.46-RELEASE import
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parents: 629
diff changeset
346
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diff changeset
347 unsigned request_sent:1;
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diff changeset
348 unsigned header_sent:1;
479
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diff changeset
349 };
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350
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parents:
diff changeset
351
2268
33556140681a *) ngx_http_upstream_test_next()
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parents: 2184
diff changeset
352 typedef struct {
33556140681a *) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents: 2184
diff changeset
353 ngx_uint_t status;
33556140681a *) ngx_http_upstream_test_next()
Igor Sysoev <igor@sysoev.ru>
parents: 2184
diff changeset
354 ngx_uint_t mask;
33556140681a *) ngx_http_upstream_test_next()
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parents: 2184
diff changeset
355 } ngx_http_upstream_next_t;
33556140681a *) ngx_http_upstream_test_next()
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parents: 2184
diff changeset
356
33556140681a *) ngx_http_upstream_test_next()
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parents: 2184
diff changeset
357
4328
d15a00e6d9e6 Added the ngx_http_upstream_param_set_slot().
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parents: 4197
diff changeset
358 typedef struct {
d15a00e6d9e6 Added the ngx_http_upstream_param_set_slot().
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parents: 4197
diff changeset
359 ngx_str_t key;
d15a00e6d9e6 Added the ngx_http_upstream_param_set_slot().
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parents: 4197
diff changeset
360 ngx_str_t value;
d15a00e6d9e6 Added the ngx_http_upstream_param_set_slot().
Valentin Bartenev <vbart@nginx.com>
parents: 4197
diff changeset
361 ngx_uint_t skip_empty;
d15a00e6d9e6 Added the ngx_http_upstream_param_set_slot().
Valentin Bartenev <vbart@nginx.com>
parents: 4197
diff changeset
362 } ngx_http_upstream_param_t;
d15a00e6d9e6 Added the ngx_http_upstream_param_set_slot().
Valentin Bartenev <vbart@nginx.com>
parents: 4197
diff changeset
363
d15a00e6d9e6 Added the ngx_http_upstream_param_set_slot().
Valentin Bartenev <vbart@nginx.com>
parents: 4197
diff changeset
364
1162
f59d15404269 $upstream_http_... variables
Igor Sysoev <igor@sysoev.ru>
parents: 906
diff changeset
365 ngx_int_t ngx_http_upstream_header_variable(ngx_http_request_t *r,
f59d15404269 $upstream_http_... variables
Igor Sysoev <igor@sysoev.ru>
parents: 906
diff changeset
366 ngx_http_variable_value_t *v, uintptr_t data);
f59d15404269 $upstream_http_... variables
Igor Sysoev <igor@sysoev.ru>
parents: 906
diff changeset
367
3006
95972b9e790b ngx_http_upstream_create() to cleanup the previous upstream after
Igor Sysoev <igor@sysoev.ru>
parents: 2952
diff changeset
368 ngx_int_t ngx_http_upstream_create(ngx_http_request_t *r);
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
369 void ngx_http_upstream_init(ngx_http_request_t *r);
651
39b7d7b33c91 nginx-0.3.47-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 649
diff changeset
370 ngx_http_upstream_srv_conf_t *ngx_http_upstream_add(ngx_conf_t *cf,
884
4d68c486fcb0 upstream choice modules
Igor Sysoev <igor@sysoev.ru>
parents: 675
diff changeset
371 ngx_url_t *u, ngx_uint_t flags);
3399
ac9c0380337d fix typo
Igor Sysoev <igor@sysoev.ru>
parents: 3271
diff changeset
372 char *ngx_http_upstream_bind_set_slot(ngx_conf_t *cf, ngx_command_t *cmd,
3271
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 3269
diff changeset
373 void *conf);
4328
d15a00e6d9e6 Added the ngx_http_upstream_param_set_slot().
Valentin Bartenev <vbart@nginx.com>
parents: 4197
diff changeset
374 char *ngx_http_upstream_param_set_slot(ngx_conf_t *cf, ngx_command_t *cmd,
d15a00e6d9e6 Added the ngx_http_upstream_param_set_slot().
Valentin Bartenev <vbart@nginx.com>
parents: 4197
diff changeset
375 void *conf);
1701
40d004d95d88 *) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents: 1658
diff changeset
376 ngx_int_t 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: 1658
diff changeset
377 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: 1658
diff changeset
378 ngx_str_t *default_hide_headers, ngx_hash_init_t *hash);
884
4d68c486fcb0 upstream choice modules
Igor Sysoev <igor@sysoev.ru>
parents: 675
diff changeset
379
4d68c486fcb0 upstream choice modules
Igor Sysoev <igor@sysoev.ru>
parents: 675
diff changeset
380
4d68c486fcb0 upstream choice modules
Igor Sysoev <igor@sysoev.ru>
parents: 675
diff changeset
381 #define ngx_http_conf_upstream_srv_conf(uscf, module) \
4d68c486fcb0 upstream choice modules
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parents: 675
diff changeset
382 uscf->srv_conf[module.ctx_index]
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
383
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
384
2875
6e1941b321b7 proxy_cache_methods and fastcgi_cache_methods
Igor Sysoev <igor@sysoev.ru>
parents: 2786
diff changeset
385 extern ngx_module_t ngx_http_upstream_module;
6e1941b321b7 proxy_cache_methods and fastcgi_cache_methods
Igor Sysoev <igor@sysoev.ru>
parents: 2786
diff changeset
386 extern ngx_conf_bitmask_t ngx_http_upstream_cache_method_mask[];
3667
12bd9e26fadb use shared ngx_http_upstream_ignore_headers_masks[]
Igor Sysoev <igor@sysoev.ru>
parents: 3526
diff changeset
387 extern ngx_conf_bitmask_t ngx_http_upstream_ignore_headers_masks[];
2875
6e1941b321b7 proxy_cache_methods and fastcgi_cache_methods
Igor Sysoev <igor@sysoev.ru>
parents: 2786
diff changeset
388
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
389
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
390 #endif /* _NGX_HTTP_UPSTREAM_H_INCLUDED_ */