annotate src/core/ngx_connection.h @ 641:5e8fb59c18c1 release-0.3.42

nginx-0.3.42-RELEASE import *) Feature: the "bind" option of the "listen" directive in IMAP/POP3 proxy. *) Bugfix: if the same capture in the "rewrite" directive was used more then once. *) Bugfix: the $sent_http_content_type, $sent_http_content_length, $sent_http_last_modified, $sent_http_connection, $sent_http_keep_alive, and $sent_http_transfer_encoding variables were not written to access log. *) Bugfix: the $sent_http_cache_control returned value of the single "Cache-Control" response header line.
author Igor Sysoev <igor@sysoev.ru>
date Wed, 26 Apr 2006 09:52:47 +0000
parents 9262f520ce21
children 362d156f0278
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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6
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7 #ifndef _NGX_CONNECTION_H_INCLUDED_
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8 #define _NGX_CONNECTION_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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14
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15 typedef struct ngx_listening_s ngx_listening_t;
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16
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17 struct ngx_listening_s {
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18 ngx_socket_t fd;
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20 struct sockaddr *sockaddr;
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21 socklen_t socklen; /* size of sockaddr */
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22 size_t addr; /* offset to address in sockaddr */
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23 size_t addr_text_max_len;
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24 ngx_str_t addr_text;
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25
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26 int family;
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27 int type;
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28
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29 int backlog;
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30 int rcvbuf;
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31 int sndbuf;
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32
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33 /* handler of accepted connection */
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34 ngx_connection_handler_pt handler;
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35
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36 void *servers; /* array of ngx_http_in_addr_t, for example */
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37
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38 ngx_log_t log;
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39
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40 size_t pool_size;
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41 /* should be here because of the AcceptEx() preread */
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42 size_t post_accept_buffer_size;
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43 /* should be here because of the deferred accept */
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44 ngx_msec_t post_accept_timeout;
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45
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46 ngx_listening_t *previous;
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47 ngx_connection_t *connection;
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48
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49 unsigned open:1;
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50 unsigned remain:1;
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51 unsigned ignore:1;
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52
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53 unsigned bound:1; /* already bound */
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54 unsigned inherited:1; /* inherited from previous process */
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55 unsigned nonblocking_accept:1;
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56 unsigned listen:1;
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57 unsigned nonblocking:1;
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58 unsigned shared:1; /* shared between threads or processes */
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59 unsigned addr_ntop:1;
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60
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61 #if (NGX_HAVE_DEFERRED_ACCEPT)
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62 unsigned deferred_accept:1;
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63 unsigned delete_deferred:1;
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64 unsigned add_deferred:1;
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65 #ifdef SO_ACCEPTFILTER
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66 char *accept_filter;
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67 #endif
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68 #endif
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69
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70 };
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71
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73 typedef enum {
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74 NGX_ERROR_CRIT = 0,
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75 NGX_ERROR_ERR,
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76 NGX_ERROR_INFO,
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77 NGX_ERROR_IGNORE_ECONNRESET
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78 } ngx_connection_log_error_e;
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79
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80
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81 typedef enum {
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82 NGX_TCP_NODELAY_UNSET = 0,
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83 NGX_TCP_NODELAY_SET,
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84 NGX_TCP_NODELAY_DISABLED
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85 } ngx_connection_tcp_nodelay_e;
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86
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87
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88 typedef enum {
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89 NGX_TCP_NOPUSH_UNSET = 0,
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90 NGX_TCP_NOPUSH_SET,
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91 NGX_TCP_NOPUSH_DISABLED
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92 } ngx_connection_tcp_nopush_e;
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93
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94
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95 #define NGX_LOWLEVEL_BUFFERED 0x0000000f
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96 #define NGX_SSL_BUFFERED 0x00000001
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97
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98
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99 struct ngx_connection_s {
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100 void *data;
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101 ngx_event_t *read;
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102 ngx_event_t *write;
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103
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104 ngx_socket_t fd;
103
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105
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106 ngx_recv_pt recv;
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107 ngx_send_pt send;
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108 ngx_recv_chain_pt recv_chain;
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109 ngx_send_chain_pt send_chain;
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110
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111 ngx_listening_t *listening;
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112
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113 off_t sent;
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114
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115 ngx_log_t *log;
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116
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117 ngx_pool_t *pool;
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118
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119 struct sockaddr *sockaddr;
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120 socklen_t socklen;
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121 ngx_str_t addr_text;
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122
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123 #if (NGX_SSL)
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124 ngx_ssl_connection_t *ssl;
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125 #endif
d1222d46b3f9 nginx-0.0.7-2004-07-15-00:07:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
126
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
127 #if (NGX_HAVE_IOCP)
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
128 struct sockaddr *local_sockaddr;
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
129 socklen_t local_socklen;
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 57
diff changeset
130 #endif
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
diff changeset
131
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
132 ngx_buf_t *buffer;
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
diff changeset
133
495
fc9909c369b2 nginx-0.1.22-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
134 ngx_atomic_uint_t number;
26
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 24
diff changeset
135
597
9262f520ce21 nginx-0.3.20-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 583
diff changeset
136 ngx_uint_t buffered;
9262f520ce21 nginx-0.3.20-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 583
diff changeset
137
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
138 unsigned log_error:2; /* ngx_connection_log_error_e */
256
8e39cab6abd5 nginx-0.0.2-2004-02-10-19:23:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 253
diff changeset
139
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
140 unsigned single_connection:1;
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
141 unsigned unexpected_eof:1;
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
142 unsigned timedout:1;
583
4e296b7d25bf nginx-0.3.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
143 unsigned error:1;
4e296b7d25bf nginx-0.3.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
144 unsigned destroyed:1;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
145
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
146 unsigned sendfile:1;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
147 unsigned sndlowat:1;
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
148 unsigned tcp_nodelay:2; /* ngx_connection_tcp_nodelay_e */
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
149 unsigned tcp_nopush:2; /* ngx_connection_tcp_nopush_e */
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
150
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
151 #if (NGX_HAVE_IOCP)
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
152 unsigned accept_context_updated:1;
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
diff changeset
153 #endif
370
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
154
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
155 #if (NGX_THREADS)
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
156 ngx_atomic_t lock;
370
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
157 #endif
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 };
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
161 #ifndef ngx_ssl_set_nosendshut
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
162 #define ngx_ssl_set_nosendshut(ssl)
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
163 #endif
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
164
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
165
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 399
diff changeset
166 ngx_listening_t *ngx_listening_inet_stream_socket(ngx_conf_t *cf,
521
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 517
diff changeset
167 in_addr_t addr, in_port_t port);
219
f57597ec5249 nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
168 ngx_int_t ngx_set_inherited_sockets(ngx_cycle_t *cycle);
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 216
diff changeset
169 ngx_int_t ngx_open_listening_sockets(ngx_cycle_t *cycle);
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
170 void ngx_configure_listening_socket(ngx_cycle_t *cycle);
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 216
diff changeset
171 void ngx_close_listening_sockets(ngx_cycle_t *cycle);
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 399
diff changeset
172 void ngx_close_connection(ngx_connection_t *c);
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 219
diff changeset
173 ngx_int_t ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text);
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 216
diff changeset
174
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
175 ngx_connection_t *ngx_get_connection(ngx_socket_t s, ngx_log_t *log);
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
176 void ngx_free_connection(ngx_connection_t *c);
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 87
diff changeset
177
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 87
diff changeset
178
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 #endif /* _NGX_CONNECTION_H_INCLUDED_ */