Mercurial > hg > nginx

annotate src/http/modules/proxy/ngx_http_proxy_handler.h @ 171:aff0e5d32af8

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nginx-0.0.1-2003-11-03-20:33:31 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 03 Nov 2003 17:33:31 +0000
parents c42be4185301
children caa57ddf6d77
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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842a78cebbb7 nginx-0.0.1-2003-08-01-18:56:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
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1 #ifndef _NGX_HTTP_PROXY_HANDLER_H_INCLUDED_
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2 #define _NGX_HTTP_PROXY_HANDLER_H_INCLUDED_
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3
842a78cebbb7 nginx-0.0.1-2003-08-01-18:56:33 import
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842a78cebbb7 nginx-0.0.1-2003-08-01-18:56:33 import
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5 #include <ngx_config.h>
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6 #include <ngx_core.h>
842a78cebbb7 nginx-0.0.1-2003-08-01-18:56:33 import
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7 #include <ngx_event.h>
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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8 #include <ngx_event_connect.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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9 #include <ngx_event_pipe.h>
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842a78cebbb7 nginx-0.0.1-2003-08-01-18:56:33 import
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10 #include <ngx_http.h>
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13 typedef struct {
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aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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14 ngx_str_t url;
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15 ngx_str_t host;
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16 ngx_str_t uri;
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17 ngx_str_t host_header;
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18 ngx_str_t port_text;
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19 ngx_str_t *location;
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20 int port;
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21 } ngx_http_proxy_upstream_conf_t;
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24 typedef struct {
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aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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25 ssize_t request_buffer_size;
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26 ngx_msec_t connect_timeout;
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27 ngx_msec_t send_timeout;
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28 ssize_t header_buffer_size;
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29 ngx_msec_t read_timeout;
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31 ngx_bufs_t bufs;
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32 ssize_t busy_buffers_size;
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33
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34 ssize_t max_temp_file_size;
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35 ssize_t temp_file_write_size;
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36 int cyclic_temp_file;
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37
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38 int cache;
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39 int pass_server;
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41 int next_upstream;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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42 int use_stale;
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44 ngx_path_t *cache_path;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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45 ngx_path_t *temp_path;
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47 ngx_http_proxy_upstream_conf_t *upstream;
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48 ngx_peers_t *peers;
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49 } ngx_http_proxy_loc_conf_t;
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51
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52 typedef struct {
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aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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53 int status;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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54 ngx_str_t *peer;
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edf29bb717da nginx-0.0.1-2003-10-31-19:05:33 import
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55 } ngx_http_proxy_state_t;
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58 typedef struct {
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aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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59 ngx_table_t *headers; /* it must be first field */
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61 ngx_table_elt_t *date;
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62 ngx_table_elt_t *server;
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64 ngx_table_elt_t *expires;
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65 ngx_table_elt_t *cache_control;
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66 ngx_table_elt_t *x_accel_expires;
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67
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68 ngx_table_elt_t *connection;
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69 ngx_table_elt_t *content_type;
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70 ngx_table_elt_t *content_length;
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71 ngx_table_elt_t *last_modified;
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72 ngx_table_elt_t *accept_ranges;
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73
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74 off_t content_length_n;
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75 } ngx_http_proxy_headers_in_t;
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78 typedef struct {
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79 ngx_http_cache_ctx_t ctx;
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80 int status;
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81 ngx_str_t status_line;
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82
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83 ngx_http_proxy_headers_in_t headers_in;
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84 } ngx_http_proxy_cache_t;
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87 typedef struct {
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88 ngx_peer_connection_t peer;
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89 int status;
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90 ngx_str_t status_line;
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91 int method;
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92
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93 ngx_output_chain_ctx_t *output_chain_ctx;
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94 ngx_event_pipe_t *event_pipe;
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95
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96 ngx_http_proxy_headers_in_t headers_in;
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97 } ngx_http_proxy_upstream_t;
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100 typedef struct ngx_http_proxy_ctx_s ngx_http_proxy_ctx_t;
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101
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102 struct ngx_http_proxy_ctx_s {
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103 ngx_http_request_t *request;
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104 ngx_http_proxy_loc_conf_t *lcf;
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105 ngx_http_proxy_upstream_t *upstream;
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106 ngx_http_proxy_cache_t *cache;
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107
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108 ngx_hunk_t *header_in;
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111 unsigned accel:1;
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113 unsigned cachable:1;
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114 unsigned stale:1;
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115
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116 unsigned request_sent:1;
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117 unsigned header_sent:1;
139
54307053f185 nginx-0.0.1-2003-10-07-19:30:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 138
diff changeset
118
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
119
138
3b168e12bd2d nginx-0.0.1-2003-10-06-07:56:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 137
diff changeset
120 /* used to parse an upstream HTTP header */
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
121 int status;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
122 char *status_start;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
123 char *status_end;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
124 int status_count;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
125 int state;
137
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
126
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
127 ngx_array_t states; /* of ngx_http_proxy_state_t */
169
edf29bb717da nginx-0.0.1-2003-10-31-19:05:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 164
diff changeset
128
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
129 char *action;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
130 ngx_http_log_ctx_t *saved_ctx;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
131 ngx_log_handler_pt saved_handler;
124
842a78cebbb7 nginx-0.0.1-2003-08-01-18:56:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 };
842a78cebbb7 nginx-0.0.1-2003-08-01-18:56:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133
842a78cebbb7 nginx-0.0.1-2003-08-01-18:56:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
135 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
136
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
137 #define NGX_HTTP_PROXY_FT_ERROR 2
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
138 #define NGX_HTTP_PROXY_FT_TIMEOUT 4
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
139 #define NGX_HTTP_PROXY_FT_INVALID_HEADER 8
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
140 #define NGX_HTTP_PROXY_FT_HTTP_500 16
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
141 #define NGX_HTTP_PROXY_FT_HTTP_404 32
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
142 #define NGX_HTTP_PROXY_FT_BUSY_LOCK 64
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
143 #define NGX_HTTP_PROXY_FT_MAX_WAITING 128
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
144
137
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
145
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
146 int ngx_http_proxy_request_upstream(ngx_http_proxy_ctx_t *p);
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
147
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
148 int ngx_http_proxy_get_cached_response(ngx_http_proxy_ctx_t *p);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
149 int ngx_http_proxy_send_cached_response(ngx_http_proxy_ctx_t *p);
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
150 int ngx_http_proxy_update_cache(ngx_http_proxy_ctx_t *p);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
151
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
152 int ngx_http_proxy_log_state(ngx_http_proxy_ctx_t *p, int status);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
153 size_t ngx_http_proxy_log_error(void *data, char *buf, size_t len);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
154 void ngx_http_proxy_finalize_request(ngx_http_proxy_ctx_t *p, int rc);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
155 void ngx_http_proxy_close_connection(ngx_connection_t *c);
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
156
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
157 int ngx_http_proxy_parse_status_line(ngx_http_proxy_ctx_t *p);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
158 int ngx_http_proxy_copy_header(ngx_http_proxy_ctx_t *p,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
159 ngx_http_proxy_headers_in_t *headers_in);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
160
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
161
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
162
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
163 extern ngx_module_t ngx_http_proxy_module;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
164 extern ngx_http_header_t ngx_http_proxy_headers_in[];
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
165
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 159
diff changeset
166
137
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
167
124
842a78cebbb7 nginx-0.0.1-2003-08-01-18:56:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168 #endif /* _NGX_HTTP_PROXY_HANDLER_H_INCLUDED_ */