Mercurial > hg > nginx
annotate src/event/ngx_event_connect.c @ 1013:7dd987e09701
stop rbtree search early if equal hash was found
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 11 Jan 2007 17:05:18 +0000 |
parents | 4d68c486fcb0 |
children | 6c25a49e548a |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_event_connect.h> |
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12 |
487 | 13 ngx_int_t |
14 ngx_event_connect_peer(ngx_peer_connection_t *pc) | |
86
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15 { |
543 | 16 int rc; |
17 u_int event; | |
18 ngx_err_t err; | |
884 | 19 ngx_uint_t level; |
543 | 20 ngx_socket_t s; |
21 ngx_event_t *rev, *wev; | |
22 ngx_connection_t *c; | |
122
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23 |
884 | 24 rc = pc->get(pc, pc->data); |
25 if (rc != NGX_OK) { | |
26 return rc; | |
121
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27 } |
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28 |
884 | 29 s = ngx_socket(pc->sockaddr->sa_family, SOCK_STREAM, 0); |
86
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30 |
884 | 31 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pc->log, 0, "socket %d", s); |
509 | 32 |
86
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33 if (s == -1) { |
121
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34 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, |
86
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35 ngx_socket_n " failed"); |
119
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36 return NGX_ERROR; |
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37 } |
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38 |
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39 |
543 | 40 c = ngx_get_connection(s, pc->log); |
323
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41 |
543 | 42 if (c == NULL) { |
323
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43 if (ngx_close_socket(s) == -1) { |
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44 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, |
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45 ngx_close_socket_n "failed"); |
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46 } |
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47 |
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48 return NGX_ERROR; |
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49 } |
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50 |
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51 if (pc->rcvbuf) { |
86
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52 if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, |
563 | 53 (const void *) &pc->rcvbuf, sizeof(int)) == -1) |
54 { | |
121
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55 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, |
86
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56 "setsockopt(SO_RCVBUF) failed"); |
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57 |
543 | 58 ngx_free_connection(c); |
59 | |
86
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60 if (ngx_close_socket(s) == -1) { |
121
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61 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, |
86
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62 ngx_close_socket_n " failed"); |
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63 } |
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64 |
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65 return NGX_ERROR; |
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66 } |
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67 } |
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68 |
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69 if (ngx_nonblocking(s) == -1) { |
121
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70 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, |
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71 ngx_nonblocking_n " failed"); |
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72 |
543 | 73 ngx_free_connection(c); |
74 | |
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75 if (ngx_close_socket(s) == -1) { |
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76 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, |
86
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77 ngx_close_socket_n " failed"); |
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78 } |
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79 |
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80 return NGX_ERROR; |
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81 } |
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82 |
543 | 83 c->recv = ngx_recv; |
84 c->send = ngx_send; | |
577 | 85 c->recv_chain = ngx_recv_chain; |
543 | 86 c->send_chain = ngx_send_chain; |
483 | 87 |
543 | 88 c->log_error = pc->log_error; |
119
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89 |
884 | 90 if (pc->sockaddr->sa_family != AF_INET) { |
543 | 91 c->tcp_nopush = NGX_TCP_NOPUSH_DISABLED; |
92 c->tcp_nodelay = NGX_TCP_NODELAY_DISABLED; | |
583 | 93 |
94 #if (NGX_SOLARIS) | |
95 /* Solaris's sendfilev() supports AF_NCA, AF_INET, and AF_INET6 */ | |
96 c->sendfile = 0; | |
97 #endif | |
121
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98 } |
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99 |
561 | 100 rev = c->read; |
101 wev = c->write; | |
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102 |
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103 rev->log = pc->log; |
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104 wev->log = pc->log; |
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105 |
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106 pc->connection = c; |
119
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107 |
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108 /* |
561 | 109 * TODO: MT: - ngx_atomic_fetch_add() |
257
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110 * or protection by critical section or mutex |
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111 * |
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112 * TODO: MP: - allocated in a shared memory |
561 | 113 * - ngx_atomic_fetch_add() |
257
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114 * or protection by critical section or mutex |
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115 */ |
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116 |
561 | 117 c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
257
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118 |
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119 #if (NGX_THREADS) |
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120 rev->lock = pc->lock; |
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121 wev->lock = pc->lock; |
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122 rev->own_lock = &c->lock; |
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123 wev->own_lock = &c->lock; |
377
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124 #endif |
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125 |
121
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126 if (ngx_add_conn) { |
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127 if (ngx_add_conn(c) == NGX_ERROR) { |
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128 return NGX_ERROR; |
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129 } |
577 | 130 } |
121
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131 |
543 | 132 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, pc->log, 0, |
884 | 133 "connect to %V, fd:%d #%d", pc->name, s, c->number); |
137
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134 |
884 | 135 rc = connect(s, pc->sockaddr, pc->socklen); |
122
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136 |
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137 if (rc == -1) { |
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138 err = ngx_socket_errno; |
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139 |
288
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140 /* Winsock returns WSAEWOULDBLOCK (NGX_EAGAIN) */ |
186
c1f3a3c7c5db
nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
169
diff
changeset
|
141 |
c1f3a3c7c5db
nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
169
diff
changeset
|
142 if (err != NGX_EINPROGRESS && err != NGX_EAGAIN) { |
487 | 143 |
541 | 144 if (err == NGX_ECONNREFUSED || err == NGX_EHOSTUNREACH) { |
145 level = NGX_LOG_ERR; | |
146 } else { | |
147 level = NGX_LOG_CRIT; | |
148 } | |
487 | 149 |
541 | 150 ngx_log_error(level, c->log, err, "connect() to %V failed", |
884 | 151 pc->name); |
139
54307053f185
nginx-0.0.1-2003-10-07-19:30:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
137
diff
changeset
|
152 |
543 | 153 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
|
154 } |
cd91e4a1ad0d
nginx-0.0.1-2003-07-23-17:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
121
diff
changeset
|
155 } |
cd91e4a1ad0d
nginx-0.0.1-2003-07-23-17:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
121
diff
changeset
|
156 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
157 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
|
158 if (rc == -1) { |
487 | 159 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
160 /* NGX_EINPROGRESS */ |
487 | 161 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
162 return NGX_AGAIN; |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
163 } |
577 | 164 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
165 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, pc->log, 0, "connected"); |
483 | 166 |
167 wev->ready = 1; | |
168 | |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
169 return NGX_OK; |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
170 } |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
171 |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
162
diff
changeset
|
172 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
|
173 |
455 | 174 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pc->log, ngx_socket_errno, |
175 "connect(): %d", rc); | |
176 | |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
162
diff
changeset
|
177 /* aio, iocp */ |
167
8aef3c72e5da
nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
178 |
8aef3c72e5da
nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
179 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
|
180 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
|
181 ngx_blocking_n " failed"); |
8aef3c72e5da
nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
182 return NGX_ERROR; |
8aef3c72e5da
nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
183 } |
8aef3c72e5da
nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
184 |
8aef3c72e5da
nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
185 /* |
487 | 186 * 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
|
187 * NT does not support it. |
577 | 188 * |
169
edf29bb717da
nginx-0.0.1-2003-10-31-19:05:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
168
diff
changeset
|
189 * 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
|
190 */ |
577 | 191 |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
192 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
|
193 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
|
194 |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
162
diff
changeset
|
195 return NGX_OK; |
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
162
diff
changeset
|
196 } |
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
162
diff
changeset
|
197 |
487 | 198 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { |
199 | |
200 /* kqueue */ | |
201 | |
137
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
202 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
|
203 |
487 | 204 } else { |
205 | |
206 /* select, poll, /dev/poll */ | |
207 | |
137
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
208 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
|
209 } |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
210 |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
211 if (ngx_add_event(rev, NGX_READ_EVENT, event) != NGX_OK) { |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
212 return NGX_ERROR; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
213 } |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
214 |
137
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
215 if (rc == -1) { |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
216 |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
217 /* NGX_EINPROGRESS */ |
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 if (ngx_add_event(wev, NGX_WRITE_EVENT, event) != NGX_OK) { |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
220 return NGX_ERROR; |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
221 } |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
222 |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
223 return NGX_AGAIN; |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
224 } |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
225 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
226 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
|
227 |
148
5afee0074707
nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
228 wev->ready = 1; |
5afee0074707
nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
229 |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
131
diff
changeset
|
230 return NGX_OK; |
119
cd54bcbaf3b5
nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
86
diff
changeset
|
231 } |
131
049e78b1f852
nginx-0.0.1-2003-08-14-10:00:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
124
diff
changeset
|
232 |
049e78b1f852
nginx-0.0.1-2003-08-14-10:00:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
124
diff
changeset
|
233 |
884 | 234 ngx_int_t |
235 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
diff
changeset
|
236 { |
884 | 237 return NGX_OK; |
131
049e78b1f852
nginx-0.0.1-2003-08-14-10:00:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
124
diff
changeset
|
238 } |