annotate src/core/ngx_connection.h @ 547:818fbd4750b9 release-0.2.2

nginx-0.2.2-RELEASE import *) Feature: the "config errmsg" command of the ngx_http_ssi_module. *) Change: the ngx_http_geo_module variables can be overridden by the "set" directive. *) Feature: the "ssl_protocols" and "ssl_prefer_server_ciphers" directives of the ngx_http_ssl_module and ngx_imap_ssl_module. *) Bugfix: the ngx_http_autoindex_module did not show correctly the long file names; *) Bugfix: the ngx_http_autoindex_module now do not show the files starting by dot. *) Bugfix: if the SSL handshake failed then another connection may be closed too. Thanks to Rob Mueller. *) Bugfix: the export versions of MSIE 5.x could not connect via HTTPS.
author Igor Sysoev <igor@sysoev.ru>
date Fri, 30 Sep 2005 14:41:25 +0000
parents 511a89da35ad
children ecd9c160f25b
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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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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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 int backlog;
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29
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30 /* handler of accepted connection */
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31 ngx_connection_handler_pt handler;
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32
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33 void *ctx; /* ngx_http_conf_ctx_t, for example */
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34 void *servers; /* array of ngx_http_in_addr_t, for example */
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35
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36 ngx_log_t log;
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37
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38 size_t pool_size;
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39 /* should be here because of the AcceptEx() preread */
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40 size_t post_accept_buffer_size;
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41 /* should be here because of the deferred accept */
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42 time_t post_accept_timeout;
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43
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44 ngx_listening_t *previous;
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45 ngx_connection_t *connection;
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46
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47 unsigned open:1;
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48 unsigned remain:1;
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49 unsigned ignore:1;
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50
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51 unsigned bound:1; /* already bound */
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52 unsigned inherited:1; /* inherited from previous process */
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53 unsigned nonblocking_accept:1;
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54 unsigned change_backlog:1;
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55 unsigned nonblocking:1;
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56 unsigned shared:1; /* shared between threads or processes */
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57 unsigned addr_ntop:1;
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58
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59 #if (NGX_HAVE_DEFERRED_ACCEPT)
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60 unsigned deferred_accept:1;
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61 unsigned delete_deferred:1;
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62 unsigned add_deferred:1;
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63 #ifdef SO_ACCEPTFILTER
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64 char *accept_filter;
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65 #endif
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66 #endif
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67
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68 };
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71 typedef enum {
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72 NGX_ERROR_CRIT = 0,
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73 NGX_ERROR_ERR,
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74 NGX_ERROR_INFO,
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75 NGX_ERROR_IGNORE_ECONNRESET
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76 } ngx_connection_log_error_e;
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77
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78
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79 typedef enum {
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80 NGX_TCP_NODELAY_UNSET = 0,
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81 NGX_TCP_NODELAY_SET,
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82 NGX_TCP_NODELAY_DISABLED
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83 } ngx_connection_tcp_nodelay_e;
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84
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85
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86 typedef enum {
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87 NGX_TCP_NOPUSH_UNSET = 0,
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88 NGX_TCP_NOPUSH_SET,
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89 NGX_TCP_NOPUSH_DISABLED
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90 } ngx_connection_tcp_nopush_e;
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91
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93 struct ngx_connection_s {
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94 void *data;
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95 ngx_event_t *read;
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96 ngx_event_t *write;
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97
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98 ngx_socket_t fd;
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99
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100 ngx_recv_pt recv;
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101 ngx_send_pt send;
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102 ngx_send_chain_pt send_chain;
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103
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104 ngx_listening_t *listening;
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105
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106 off_t sent;
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107
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108 void *ctx;
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109 void *servers;
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110
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111
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112 ngx_log_t *log;
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113
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114 ngx_pool_t *pool;
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115
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116 struct sockaddr *sockaddr;
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117 socklen_t socklen;
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118 ngx_str_t addr_text;
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119
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120 #if (NGX_OPENSSL)
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121 ngx_ssl_connection_t *ssl;
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122 #endif
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123
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124 #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
125 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
126 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
127 #endif
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
diff changeset
128
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
129 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
130
495
fc9909c369b2 nginx-0.1.22-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
131 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
132
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
133 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
134
399
4e21d1291a14 nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 396
diff changeset
135 unsigned buffered:1;
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
136 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
137 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
138 unsigned timedout:1;
527
7fa11e5c6e96 nginx-0.1.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 523
diff changeset
139 unsigned closed:1;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
140
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
141 unsigned sendfile:1;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
142 unsigned sndlowat:1;
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
143 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
144 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
145
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
146 #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
147 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
148 #endif
370
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
149
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
150 #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
151 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
152 #endif
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 };
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
156 #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
157 #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
158 #endif
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
159
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
160
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 399
diff changeset
161 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
162 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
163 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
164 ngx_int_t ngx_open_listening_sockets(ngx_cycle_t *cycle);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 216
diff changeset
165 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
166 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
167 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
168
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
169 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
170 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
171
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 87
diff changeset
172
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 #endif /* _NGX_CONNECTION_H_INCLUDED_ */