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annotate src/core/ngx_connection.h @ 6031:c8acea7c7041

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Removed ngx_connection_t.lock.
author Ruslan Ermilov <ru@nginx.com>
date Fri, 20 Mar 2015 06:43:19 +0300
parents b550563ef96e
children 187aa751ad62
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 432
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
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d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
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4 * Copyright (C) Nginx, Inc.
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5 */
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8 #ifndef _NGX_CONNECTION_H_INCLUDED_
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9 #define _NGX_CONNECTION_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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15
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16 typedef struct ngx_listening_s ngx_listening_t;
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17
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18 struct ngx_listening_s {
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19 ngx_socket_t fd;
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20
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21 struct sockaddr *sockaddr;
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22 socklen_t socklen; /* size of 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 type;
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27
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28 int backlog;
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29 int rcvbuf;
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30 int sndbuf;
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31 #if (NGX_HAVE_KEEPALIVE_TUNABLE)
c4513d4dd024 Added the "so_keepalive=" parameter to the "listen" directive.
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32 int keepidle;
c4513d4dd024 Added the "so_keepalive=" parameter to the "listen" directive.
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33 int keepintvl;
c4513d4dd024 Added the "so_keepalive=" parameter to the "listen" directive.
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34 int keepcnt;
c4513d4dd024 Added the "so_keepalive=" parameter to the "listen" directive.
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35 #endif
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36
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37 /* handler of accepted connection */
547
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38 ngx_connection_handler_pt handler;
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39
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40 void *servers; /* array of ngx_http_in_addr_t, for example */
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41
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42 ngx_log_t log;
2785
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43 ngx_log_t *logp;
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44
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45 size_t pool_size;
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46 /* should be here because of the AcceptEx() preread */
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parents: 539
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47 size_t post_accept_buffer_size;
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48 /* should be here because of the deferred accept */
557
ecd9c160f25b nginx-0.3.0-RELEASE import
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49 ngx_msec_t post_accept_timeout;
543
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50
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51 ngx_listening_t *previous;
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52 ngx_connection_t *connection;
103
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53
543
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Igor Sysoev <igor@sysoev.ru>
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54 unsigned open:1;
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Igor Sysoev <igor@sysoev.ru>
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55 unsigned remain:1;
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Igor Sysoev <igor@sysoev.ru>
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56 unsigned ignore:1;
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57
543
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58 unsigned bound:1; /* already bound */
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59 unsigned inherited:1; /* inherited from previous process */
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Igor Sysoev <igor@sysoev.ru>
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60 unsigned nonblocking_accept:1;
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61 unsigned listen:1;
543
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62 unsigned nonblocking:1;
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63 unsigned shared:1; /* shared between threads or processes */
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64 unsigned addr_ntop:1;
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65
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66 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
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Ruslan Ermilov <ru@nginx.com>
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67 unsigned ipv6only:1;
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68 #endif
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parents: 3880
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69 unsigned keepalive:2;
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70
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71 #if (NGX_HAVE_DEFERRED_ACCEPT)
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72 unsigned deferred_accept:1;
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73 unsigned delete_deferred:1;
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74 unsigned add_deferred:1;
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75 #ifdef SO_ACCEPTFILTER
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76 char *accept_filter;
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77 #endif
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78 #endif
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79 #if (NGX_HAVE_SETFIB)
4430d110293e listen setfib=X
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80 int setfib;
4430d110293e listen setfib=X
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81 #endif
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47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 417
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82
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83 #if (NGX_HAVE_TCP_FASTOPEN)
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Mathew Rodley <mathew@rodley.com.au>
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84 int fastopen;
692afcea9d0d Added support for TCP_FASTOPEN supported in Linux >= 3.7.1.
Mathew Rodley <mathew@rodley.com.au>
parents: 5104
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85 #endif
692afcea9d0d Added support for TCP_FASTOPEN supported in Linux >= 3.7.1.
Mathew Rodley <mathew@rodley.com.au>
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86
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87 };
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89
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90 typedef enum {
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91 NGX_ERROR_ALERT = 0,
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92 NGX_ERROR_ERR,
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93 NGX_ERROR_INFO,
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94 NGX_ERROR_IGNORE_ECONNRESET,
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95 NGX_ERROR_IGNORE_EINVAL
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8e39cab6abd5 nginx-0.0.2-2004-02-10-19:23:38 import
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96 } ngx_connection_log_error_e;
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97
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98
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99 typedef enum {
483
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100 NGX_TCP_NODELAY_UNSET = 0,
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101 NGX_TCP_NODELAY_SET,
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102 NGX_TCP_NODELAY_DISABLED
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103 } ngx_connection_tcp_nodelay_e;
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104
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105
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106 typedef enum {
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Igor Sysoev <igor@sysoev.ru>
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107 NGX_TCP_NOPUSH_UNSET = 0,
483
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108 NGX_TCP_NOPUSH_SET,
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109 NGX_TCP_NOPUSH_DISABLED
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110 } ngx_connection_tcp_nopush_e;
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111
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Igor Sysoev <igor@sysoev.ru>
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112
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362d156f0278 high level HTTP buffered flags should be on per-subrequest basis,
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113 #define NGX_LOWLEVEL_BUFFERED 0x0f
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114 #define NGX_SSL_BUFFERED 0x01
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Valentin Bartenev <vbart@nginx.com>
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115 #define NGX_SPDY_BUFFERED 0x02
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116
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117
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118 struct ngx_connection_s {
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Igor Sysoev <igor@sysoev.ru>
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119 void *data;
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120 ngx_event_t *read;
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121 ngx_event_t *write;
103
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122
396
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123 ngx_socket_t fd;
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124
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125 ngx_recv_pt recv;
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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126 ngx_send_pt send;
577
4d9ea73a627a nginx-0.3.10-RELEASE import
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127 ngx_recv_chain_pt recv_chain;
396
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parents: 393
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128 ngx_send_chain_pt send_chain;
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diff changeset
129
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
130 ngx_listening_t *listening;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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 off_t sent;
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
diff changeset
133
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
134 ngx_log_t *log;
57
a499e0d1f16e nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 44
diff changeset
135
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
136 ngx_pool_t *pool;
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
diff changeset
137
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
138 struct sockaddr *sockaddr;
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
139 socklen_t socklen;
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
140 ngx_str_t addr_text;
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
diff changeset
141
5605
3a72b1805c52 Added server-side support for PROXY protocol v1 (ticket #355).
Roman Arutyunyan <arut@nginx.com>
parents: 5513
diff changeset
142 ngx_str_t proxy_protocol_addr;
3a72b1805c52 Added server-side support for PROXY protocol v1 (ticket #355).
Roman Arutyunyan <arut@nginx.com>
parents: 5513
diff changeset
143
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
144 #if (NGX_SSL)
547
818fbd4750b9 nginx-0.2.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 543
diff changeset
145 ngx_ssl_connection_t *ssl;
392
d1222d46b3f9 nginx-0.0.7-2004-07-15-00:07:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
146 #endif
d1222d46b3f9 nginx-0.0.7-2004-07-15-00:07:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
147
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
148 struct sockaddr *local_sockaddr;
5463
1ab1cf63f885 Core: keep the length of the local sockaddr.
Ruslan Ermilov <ru@nginx.com>
parents: 5456
diff changeset
149 socklen_t local_socklen;
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
diff changeset
150
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
151 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
152
3880
e3cb8e27e413 reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents: 3676
diff changeset
153 ngx_queue_t queue;
e3cb8e27e413 reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents: 3676
diff changeset
154
495
fc9909c369b2 nginx-0.1.22-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
155 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
156
2888
512d164a8348 keepalive_requests
Igor Sysoev <igor@sysoev.ru>
parents: 2854
diff changeset
157 ngx_uint_t requests;
512d164a8348 keepalive_requests
Igor Sysoev <igor@sysoev.ru>
parents: 2854
diff changeset
158
829
362d156f0278 high level HTTP buffered flags should be on per-subrequest basis,
Igor Sysoev <igor@sysoev.ru>
parents: 641
diff changeset
159 unsigned buffered:8;
597
9262f520ce21 nginx-0.3.20-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 583
diff changeset
160
2560
a7443674e429 ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents: 2512
diff changeset
161 unsigned log_error:3; /* 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
162
396
6f3b20c1ac50 nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
163 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
164 unsigned timedout:1;
583
4e296b7d25bf nginx-0.3.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
165 unsigned error:1;
4e296b7d25bf nginx-0.3.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
166 unsigned destroyed:1;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
167
1135
03f1133f24e8 close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents: 829
diff changeset
168 unsigned idle:1;
3880
e3cb8e27e413 reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents: 3676
diff changeset
169 unsigned reusable:1;
1135
03f1133f24e8 close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents: 829
diff changeset
170 unsigned close:1;
03f1133f24e8 close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents: 829
diff changeset
171
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
172 unsigned sendfile:1;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
173 unsigned sndlowat:1;
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
174 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
175 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
176
5513
311803b21504 SPDY: body filter was replaced by c->send_chain() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5498
diff changeset
177 unsigned need_last_buf:1;
311803b21504 SPDY: body filter was replaced by c->send_chain() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5498
diff changeset
178
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
179 #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
180 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
181 #endif
370
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
182
3065
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 2888
diff changeset
183 #if (NGX_HAVE_AIO_SENDFILE)
5498
d39a69427056 Allowed up to two EBUSY errors from sendfile().
Maxim Dounin <mdounin@mdounin.ru>
parents: 5463
diff changeset
184 unsigned busy_count:2;
3065
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 2888
diff changeset
185 #endif
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 2888
diff changeset
186
6023
b550563ef96e Added support for offloading Linux sendfile() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 6016
diff changeset
187 #if (NGX_THREADS)
b550563ef96e Added support for offloading Linux sendfile() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 6016
diff changeset
188 ngx_thread_task_t *sendfile_task;
b550563ef96e Added support for offloading Linux sendfile() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 6016
diff changeset
189 #endif
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 };
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192
2806
a445bd4eb571 ngx_create_listening()
Igor Sysoev <igor@sysoev.ru>
parents: 2802
diff changeset
193 ngx_listening_t *ngx_create_listening(ngx_conf_t *cf, void *sockaddr,
a445bd4eb571 ngx_create_listening()
Igor Sysoev <igor@sysoev.ru>
parents: 2802
diff changeset
194 socklen_t socklen);
219
f57597ec5249 nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
195 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
196 ngx_int_t ngx_open_listening_sockets(ngx_cycle_t *cycle);
2802
44b2081c015a use correct name
Igor Sysoev <igor@sysoev.ru>
parents: 2800
diff changeset
197 void ngx_configure_listening_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
198 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
199 void ngx_close_connection(ngx_connection_t *c);
2854
d788477f5a67 ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents: 2806
diff changeset
200 ngx_int_t ngx_connection_local_sockaddr(ngx_connection_t *c, ngx_str_t *s,
d788477f5a67 ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents: 2806
diff changeset
201 ngx_uint_t port);
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 219
diff changeset
202 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
203
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
204 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
205 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
206
3880
e3cb8e27e413 reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents: 3676
diff changeset
207 void ngx_reusable_connection(ngx_connection_t *c, ngx_uint_t reusable);
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 87
diff changeset
208
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209 #endif /* _NGX_CONNECTION_H_INCLUDED_ */