Mercurial > hg > nginx

annotate src/event/ngx_event_connect.c @ 3365:d518c65ff0d4

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update comments
author Igor Sysoev <igor@sysoev.ru>
date Wed, 25 Nov 2009 18:03:59 +0000
parents fcd98af88df3
children d620f497c50f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 417
diff changeset
1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 417
diff changeset
2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents: 441
diff changeset
3 * Copyright (C) Igor Sysoev
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 417
diff changeset
4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 417
diff changeset
5
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
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6
136
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 131
diff changeset
7 #include <ngx_config.h>
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 131
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8 #include <ngx_core.h>
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 131
diff changeset
9 #include <ngx_event.h>
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
10 #include <ngx_event_connect.h>
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
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11
131
049e78b1f852 nginx-0.0.1-2003-08-14-10:00:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 124
diff changeset
12
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
13 ngx_int_t
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
14 ngx_event_connect_peer(ngx_peer_connection_t *pc)
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
15 {
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
16 int rc;
1470
92b5f20d54f4 64-bit update lost in r1355
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17 ngx_int_t event;
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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18 ngx_err_t err;
884
4d68c486fcb0 upstream choice modules
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19 ngx_uint_t level;
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
20 ngx_socket_t s;
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
21 ngx_event_t *rev, *wev;
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
22 ngx_connection_t *c;
122
cd91e4a1ad0d nginx-0.0.1-2003-07-23-17:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 121
diff changeset
23
884
4d68c486fcb0 upstream choice modules
Igor Sysoev <igor@sysoev.ru>
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24 rc = pc->get(pc, pc->data);
4d68c486fcb0 upstream choice modules
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
25 if (rc != NGX_OK) {
4d68c486fcb0 upstream choice modules
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parents: 663
diff changeset
26 return rc;
121
b3655b21375a nginx-0.0.1-2003-07-22-23:53:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 120
diff changeset
27 }
b3655b21375a nginx-0.0.1-2003-07-22-23:53:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 120
diff changeset
28
884
4d68c486fcb0 upstream choice modules
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
29 s = ngx_socket(pc->sockaddr->sa_family, SOCK_STREAM, 0);
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
30
884
4d68c486fcb0 upstream choice modules
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
31 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pc->log, 0, "socket %d", s);
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
32
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
33 if (s == -1) {
121
b3655b21375a nginx-0.0.1-2003-07-22-23:53:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 120
diff changeset
34 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno,
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
35 ngx_socket_n " failed");
119
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 86
diff changeset
36 return NGX_ERROR;
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
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37 }
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
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38
323
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 309
diff changeset
39
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
40 c = ngx_get_connection(s, pc->log);
323
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 309
diff changeset
41
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
42 if (c == NULL) {
323
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 309
diff changeset
43 if (ngx_close_socket(s) == -1) {
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 309
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44 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno,
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 309
diff changeset
45 ngx_close_socket_n "failed");
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 309
diff changeset
46 }
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 309
diff changeset
47
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 309
diff changeset
48 return NGX_ERROR;
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 309
diff changeset
49 }
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 309
diff changeset
50
121
b3655b21375a nginx-0.0.1-2003-07-22-23:53:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 120
diff changeset
51 if (pc->rcvbuf) {
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
52 if (setsockopt(s, SOL_SOCKET, SO_RCVBUF,
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 561
diff changeset
53 (const void *) &pc->rcvbuf, sizeof(int)) == -1)
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 561
diff changeset
54 {
121
b3655b21375a nginx-0.0.1-2003-07-22-23:53:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 120
diff changeset
55 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno,
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
56 "setsockopt(SO_RCVBUF) failed");
3271
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
57 goto failed;
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
58 }
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
59 }
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
60
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
61 if (ngx_nonblocking(s) == -1) {
121
b3655b21375a nginx-0.0.1-2003-07-22-23:53:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 120
diff changeset
62 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno,
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
63 ngx_nonblocking_n " failed");
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
64
3271
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
65 goto failed;
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
66 }
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
67
3271
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
68 if (pc->local) {
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
69 if (bind(s, pc->local->sockaddr, pc->local->socklen) == -1) {
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
70 ngx_log_error(NGX_LOG_CRIT, pc->log, ngx_socket_errno,
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
71 "bind(%V) failed", &pc->local->name);
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
72
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
73 goto failed;
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
74 }
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
75 }
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
76
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
77 c->recv = ngx_recv;
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
78 c->send = ngx_send;
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
79 c->recv_chain = ngx_recv_chain;
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
80 c->send_chain = ngx_send_chain;
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
81
1397
6c25a49e548a upstream sendfile bit was overridden by r->connection->sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 884
diff changeset
82 c->sendfile = 1;
6c25a49e548a upstream sendfile bit was overridden by r->connection->sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 884
diff changeset
83
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
84 c->log_error = pc->log_error;
119
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 86
diff changeset
85
884
4d68c486fcb0 upstream choice modules
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
86 if (pc->sockaddr->sa_family != AF_INET) {
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
87 c->tcp_nopush = NGX_TCP_NOPUSH_DISABLED;
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
88 c->tcp_nodelay = NGX_TCP_NODELAY_DISABLED;
583
4e296b7d25bf nginx-0.3.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
89
4e296b7d25bf nginx-0.3.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
90 #if (NGX_SOLARIS)
4e296b7d25bf nginx-0.3.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
91 /* Solaris's sendfilev() supports AF_NCA, AF_INET, and AF_INET6 */
4e296b7d25bf nginx-0.3.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
92 c->sendfile = 0;
4e296b7d25bf nginx-0.3.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
93 #endif
121
b3655b21375a nginx-0.0.1-2003-07-22-23:53:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 120
diff changeset
94 }
119
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 86
diff changeset
95
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 545
diff changeset
96 rev = c->read;
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 545
diff changeset
97 wev = c->write;
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
98
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
99 rev->log = pc->log;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
100 wev->log = pc->log;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
101
121
b3655b21375a nginx-0.0.1-2003-07-22-23:53:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 120
diff changeset
102 pc->connection = c;
119
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 86
diff changeset
103
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 545
diff changeset
104 c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1);
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 194
diff changeset
105
377
41437e4fd9b4 nginx-0.0.7-2004-07-05-19:08:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
106 #if (NGX_THREADS)
3365
d518c65ff0d4 update comments
Igor Sysoev <igor@sysoev.ru>
parents: 3271
diff changeset
107
d518c65ff0d4 update comments
Igor Sysoev <igor@sysoev.ru>
parents: 3271
diff changeset
108 /* TODO: lock event when call completion handler */
d518c65ff0d4 update comments
Igor Sysoev <igor@sysoev.ru>
parents: 3271
diff changeset
109
377
41437e4fd9b4 nginx-0.0.7-2004-07-05-19:08:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
110 rev->lock = pc->lock;
41437e4fd9b4 nginx-0.0.7-2004-07-05-19:08:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
111 wev->lock = pc->lock;
380
5ce6561246a5 nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 379
diff changeset
112 rev->own_lock = &c->lock;
5ce6561246a5 nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 379
diff changeset
113 wev->own_lock = &c->lock;
3365
d518c65ff0d4 update comments
Igor Sysoev <igor@sysoev.ru>
parents: 3271
diff changeset
114
377
41437e4fd9b4 nginx-0.0.7-2004-07-05-19:08:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
115 #endif
41437e4fd9b4 nginx-0.0.7-2004-07-05-19:08:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
116
121
b3655b21375a nginx-0.0.1-2003-07-22-23:53:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 120
diff changeset
117 if (ngx_add_conn) {
b3655b21375a nginx-0.0.1-2003-07-22-23:53:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 120
diff changeset
118 if (ngx_add_conn(c) == NGX_ERROR) {
3271
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
119 goto failed;
121
b3655b21375a nginx-0.0.1-2003-07-22-23:53:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 120
diff changeset
120 }
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
121 }
121
b3655b21375a nginx-0.0.1-2003-07-22-23:53:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 120
diff changeset
122
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
123 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, pc->log, 0,
884
4d68c486fcb0 upstream choice modules
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
124 "connect to %V, fd:%d #%d", pc->name, s, c->number);
137
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
125
884
4d68c486fcb0 upstream choice modules
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
126 rc = connect(s, pc->sockaddr, pc->socklen);
122
cd91e4a1ad0d nginx-0.0.1-2003-07-23-17:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 121
diff changeset
127
cd91e4a1ad0d nginx-0.0.1-2003-07-23-17:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 121
diff changeset
128 if (rc == -1) {
cd91e4a1ad0d nginx-0.0.1-2003-07-23-17:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 121
diff changeset
129 err = ngx_socket_errno;
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
130
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
131
2117
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
132 if (err != NGX_EINPROGRESS
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
133 #if (NGX_WIN32)
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
134 /* Winsock returns WSAEWOULDBLOCK (NGX_EAGAIN) */
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
135 && err != NGX_EAGAIN
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
136 #endif
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
137 )
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
138 {
1869
192443881e51 add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents: 1470
diff changeset
139 if (err == NGX_ECONNREFUSED
2117
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
140 #if (NGX_LINUX)
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
141 /*
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
142 * Linux returns EAGAIN instead of ECONNREFUSED
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
143 * for unix sockets if listen queue is full
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
144 */
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
145 || err == NGX_EAGAIN
9d62abd76ea5 handle connect()'s EAGAIN on Linux
Igor Sysoev <igor@sysoev.ru>
parents: 1869
diff changeset
146 #endif
2540
042dcbaead66 lower ECONNRESET level
Igor Sysoev <igor@sysoev.ru>
parents: 2117
diff changeset
147 || err == NGX_ECONNRESET
1869
192443881e51 add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents: 1470
diff changeset
148 || err == NGX_ENETDOWN
192443881e51 add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents: 1470
diff changeset
149 || err == NGX_ENETUNREACH
192443881e51 add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents: 1470
diff changeset
150 || err == NGX_EHOSTDOWN
192443881e51 add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents: 1470
diff changeset
151 || err == NGX_EHOSTUNREACH)
192443881e51 add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents: 1470
diff changeset
152 {
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
153 level = NGX_LOG_ERR;
1869
192443881e51 add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents: 1470
diff changeset
154
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
155 } else {
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
156 level = NGX_LOG_CRIT;
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
157 }
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
158
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
159 ngx_log_error(level, c->log, err, "connect() to %V failed",
884
4d68c486fcb0 upstream choice modules
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
160 pc->name);
139
54307053f185 nginx-0.0.1-2003-10-07-19:30:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 137
diff changeset
161
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
162 return NGX_DECLINED;
122
cd91e4a1ad0d nginx-0.0.1-2003-07-23-17:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 121
diff changeset
163 }
cd91e4a1ad0d nginx-0.0.1-2003-07-23-17:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 121
diff changeset
164 }
cd91e4a1ad0d nginx-0.0.1-2003-07-23-17:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 121
diff changeset
165
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 323
diff changeset
166 if (ngx_add_conn) {
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 323
diff changeset
167 if (rc == -1) {
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
168
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 323
diff changeset
169 /* NGX_EINPROGRESS */
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
170
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 323
diff changeset
171 return NGX_AGAIN;
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 323
diff changeset
172 }
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
173
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 323
diff changeset
174 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, pc->log, 0, "connected");
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
175
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
176 wev->ready = 1;
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
177
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 323
diff changeset
178 return NGX_OK;
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 323
diff changeset
179 }
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 323
diff changeset
180
164
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 162
diff changeset
181 if (ngx_event_flags & NGX_USE_AIO_EVENT) {
167
8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
182
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
183 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pc->log, ngx_socket_errno,
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
184 "connect(): %d", rc);
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
185
164
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 162
diff changeset
186 /* aio, iocp */
167
8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
187
8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
188 if (ngx_blocking(s) == -1) {
8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
189 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno,
8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
190 ngx_blocking_n " failed");
3271
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
191 goto failed;
167
8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
192 }
8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
193
8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
194 /*
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
195 * FreeBSD's aio allows to post an operation on non-connected socket.
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 169
diff changeset
196 * NT does not support it.
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
197 *
169
edf29bb717da nginx-0.0.1-2003-10-31-19:05:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 168
diff changeset
198 * TODO: check in Win32, etc. As workaround we can use NGX_ONESHOT_EVENT
167
8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
199 */
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
200
166
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 164
diff changeset
201 rev->ready = 1;
164
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 162
diff changeset
202 wev->ready = 1;
166
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 164
diff changeset
203
164
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 162
diff changeset
204 return NGX_OK;
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 162
diff changeset
205 }
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 162
diff changeset
206
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
207 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) {
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
208
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
209 /* kqueue */
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
210
137
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
211 event = NGX_CLEAR_EVENT;
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
212
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
213 } else {
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
214
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
215 /* select, poll, /dev/poll */
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
216
137
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
217 event = NGX_LEVEL_EVENT;
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
218 }
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
219
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 161
diff changeset
220 if (ngx_add_event(rev, NGX_READ_EVENT, event) != NGX_OK) {
3271
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
221 goto failed;
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 161
diff changeset
222 }
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 161
diff changeset
223
137
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
224 if (rc == -1) {
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
225
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
226 /* NGX_EINPROGRESS */
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
227
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
228 if (ngx_add_event(wev, NGX_WRITE_EVENT, event) != NGX_OK) {
3271
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
229 goto failed;
137
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
230 }
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
231
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
232 return NGX_AGAIN;
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
233 }
2a615b036870 nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
234
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 194
diff changeset
235 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, pc->log, 0, "connected");
189
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
236
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
237 wev->ready = 1;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
238
136
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 131
diff changeset
239 return NGX_OK;
3271
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
240
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
241 failed:
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
242
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
243 ngx_free_connection(c);
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
244
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
245 if (ngx_close_socket(s) == -1) {
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
246 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno,
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
247 ngx_close_socket_n " failed");
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
248 }
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
249
fcd98af88df3 proxy_bind, fastcgi_bind, and memcached_bind
Igor Sysoev <igor@sysoev.ru>
parents: 2540
diff changeset
250 return NGX_ERROR;
119
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 86
diff changeset
251 }
131
049e78b1f852 nginx-0.0.1-2003-08-14-10:00:28 import
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parents: 124
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252
049e78b1f852 nginx-0.0.1-2003-08-14-10:00:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 124
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253
884
4d68c486fcb0 upstream choice modules
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parents: 663
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254 ngx_int_t
4d68c486fcb0 upstream choice modules
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parents: 663
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255 ngx_event_get_peer(ngx_peer_connection_t *pc, void *data)
131
049e78b1f852 nginx-0.0.1-2003-08-14-10:00:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 124
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256 {
884
4d68c486fcb0 upstream choice modules
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parents: 663
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257 return NGX_OK;
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049e78b1f852 nginx-0.0.1-2003-08-14-10:00:28 import
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parents: 124
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258 }