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annotate src/http/modules/proxy/ngx_http_proxy_handler.h @ 170:c42be4185301

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nginx-0.0.1-2003-11-03-01:56:18 import
author Igor Sysoev <igor@sysoev.ru>
date Sun, 02 Nov 2003 22:56:18 +0000
parents edf29bb717da
children aff0e5d32af8
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>
842a78cebbb7 nginx-0.0.1-2003-08-01-18:56:33 import
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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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12
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13 typedef struct {
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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14 ngx_str_t url;
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5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
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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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981e4af2a425 nginx-0.0.1-2003-10-24-20:10:38 import
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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_t;
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24 typedef struct {
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 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;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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39 int pass_server;
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40
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41 int next_upstream;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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42 int use_stale;
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43
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44 ngx_path_t *cache_path;
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45 ngx_path_t *temp_path;
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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47 ngx_http_proxy_upstream_t *upstream;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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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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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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53 int status;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 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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edf29bb717da nginx-0.0.1-2003-10-31-19:05:33 import
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58 typedef struct {
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 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;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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62 ngx_table_elt_t *server;
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63 ngx_table_elt_t *connection;
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64 ngx_table_elt_t *content_type;
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65 ngx_table_elt_t *content_length;
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66 ngx_table_elt_t *last_modified;
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67 ngx_table_elt_t *accept_ranges;
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69 off_t content_length_n;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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70 } ngx_http_proxy_headers_in_t;
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73 typedef struct {
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74 ngx_http_cache_ctx_t ctx;
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75 int status;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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76 ngx_str_t status_line;
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77 ngx_http_proxy_headers_in_t headers_in;
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78 } ngx_http_proxy_cache_t;
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80
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81 typedef struct ngx_http_proxy_ctx_s ngx_http_proxy_ctx_t;
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83 struct ngx_http_proxy_ctx_s {
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84 ngx_peer_connection_t upstream;
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85 ngx_peer_t *peer;
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86
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87 ngx_http_request_t *request;
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88 ngx_http_proxy_loc_conf_t *lcf;
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89 ngx_http_proxy_cache_t *cache;
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90 ngx_http_proxy_headers_in_t headers_in;
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92 ngx_hunk_t *header_in;
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93 int status;
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94 ngx_str_t status_line;
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96 ngx_output_chain_ctx_t *output_chain_ctx;
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98 int method;
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100 ngx_event_pipe_t *event_pipe;
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101
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102 unsigned accel:1;
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103
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104 unsigned cachable:1;
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105 unsigned stale:1;
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106
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107 unsigned request_sent:1;
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108 unsigned header_sent:1;
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109
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110 /* used to parse an upstream HTTP header */
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111 char *status_start;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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112 char *status_end;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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113 int status_count;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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114 int state;
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115
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116 ngx_array_t states; /* of ngx_http_proxy_state_t */
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118 char *action;
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119 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
120 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
121 };
842a78cebbb7 nginx-0.0.1-2003-08-01-18:56:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122
842a78cebbb7 nginx-0.0.1-2003-08-01-18:56:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
124 #define NGX_STALE 1
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
125
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
126 #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
127
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
128 #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
129 #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
130 #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
131 #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
132 #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
133 #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
134 #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
135
137
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
136
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
137 void ngx_http_proxy_reinit_upstream(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
138
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
139 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
140 int ngx_http_proxy_process_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
141 int ngx_http_proxy_send_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
142
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
143 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
144 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
145 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
146
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
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
149 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
150 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
151
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 159
diff changeset
152
137
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
153
124
842a78cebbb7 nginx-0.0.1-2003-08-01-18:56:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154 #endif /* _NGX_HTTP_PROXY_HANDLER_H_INCLUDED_ */