Mercurial > hg > nginx
annotate src/event/ngx_event_connect.c @ 2041:3f75a582a11e
style fix
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 28 May 2008 12:27:08 +0000 |
parents | 192443881e51 |
children | 9d62abd76ea5 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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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; |
1470 | 17 ngx_int_t event; |
543 | 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; | |
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27 } |
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28 |
884 | 29 s = ngx_socket(pc->sockaddr->sa_family, SOCK_STREAM, 0); |
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30 |
884 | 31 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pc->log, 0, "socket %d", s); |
509 | 32 |
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33 if (s == -1) { |
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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"); |
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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) { |
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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) { |
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52 if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, |
563 | 53 (const void *) &pc->rcvbuf, sizeof(int)) == -1) |
54 { | |
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55 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, |
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56 "setsockopt(SO_RCVBUF) failed"); |
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57 |
543 | 58 ngx_free_connection(c); |
59 | |
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60 if (ngx_close_socket(s) == -1) { |
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61 ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, |
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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) { |
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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, |
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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 |
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88 c->sendfile = 1; |
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89 |
543 | 90 c->log_error = pc->log_error; |
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91 |
884 | 92 if (pc->sockaddr->sa_family != AF_INET) { |
543 | 93 c->tcp_nopush = NGX_TCP_NOPUSH_DISABLED; |
94 c->tcp_nodelay = NGX_TCP_NODELAY_DISABLED; | |
583 | 95 |
96 #if (NGX_SOLARIS) | |
97 /* Solaris's sendfilev() supports AF_NCA, AF_INET, and AF_INET6 */ | |
98 c->sendfile = 0; | |
99 #endif | |
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100 } |
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101 |
561 | 102 rev = c->read; |
103 wev = c->write; | |
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104 |
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105 rev->log = pc->log; |
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106 wev->log = pc->log; |
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107 |
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108 pc->connection = c; |
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109 |
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110 /* |
561 | 111 * TODO: MT: - ngx_atomic_fetch_add() |
257
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112 * or protection by critical section or mutex |
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113 * |
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114 * TODO: MP: - allocated in a shared memory |
561 | 115 * - ngx_atomic_fetch_add() |
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116 * or protection by critical section or mutex |
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117 */ |
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118 |
561 | 119 c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
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120 |
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121 #if (NGX_THREADS) |
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122 rev->lock = pc->lock; |
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123 wev->lock = pc->lock; |
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124 rev->own_lock = &c->lock; |
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125 wev->own_lock = &c->lock; |
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126 #endif |
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127 |
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128 if (ngx_add_conn) { |
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129 if (ngx_add_conn(c) == NGX_ERROR) { |
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130 return NGX_ERROR; |
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131 } |
577 | 132 } |
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133 |
543 | 134 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, pc->log, 0, |
884 | 135 "connect to %V, fd:%d #%d", pc->name, s, c->number); |
137
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136 |
884 | 137 rc = connect(s, pc->sockaddr, pc->socklen); |
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138 |
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139 if (rc == -1) { |
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140 err = ngx_socket_errno; |
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169
diff
changeset
|
141 |
288
f81d075ad172
nginx-0.0.2-2004-03-14-23:46:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
142 /* 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
|
143 |
c1f3a3c7c5db
nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
169
diff
changeset
|
144 if (err != NGX_EINPROGRESS && err != NGX_EAGAIN) { |
487 | 145 |
1869
192443881e51
add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents:
1470
diff
changeset
|
146 if (err == NGX_ECONNREFUSED |
192443881e51
add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents:
1470
diff
changeset
|
147 || err == NGX_ENETDOWN |
192443881e51
add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents:
1470
diff
changeset
|
148 || err == NGX_ENETUNREACH |
192443881e51
add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents:
1470
diff
changeset
|
149 || err == NGX_EHOSTDOWN |
192443881e51
add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents:
1470
diff
changeset
|
150 || err == NGX_EHOSTUNREACH) |
192443881e51
add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents:
1470
diff
changeset
|
151 { |
541 | 152 level = NGX_LOG_ERR; |
1869
192443881e51
add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents:
1470
diff
changeset
|
153 |
541 | 154 } else { |
155 level = NGX_LOG_CRIT; | |
156 } | |
487 | 157 |
541 | 158 ngx_log_error(level, c->log, err, "connect() to %V failed", |
884 | 159 pc->name); |
139
54307053f185
nginx-0.0.1-2003-10-07-19:30:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
137
diff
changeset
|
160 |
543 | 161 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
|
162 } |
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 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
165 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
|
166 if (rc == -1) { |
487 | 167 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
168 /* NGX_EINPROGRESS */ |
487 | 169 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
170 return NGX_AGAIN; |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
171 } |
577 | 172 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
173 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, pc->log, 0, "connected"); |
483 | 174 |
175 wev->ready = 1; | |
176 | |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
177 return NGX_OK; |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
178 } |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
179 |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
162
diff
changeset
|
180 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
|
181 |
455 | 182 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pc->log, ngx_socket_errno, |
183 "connect(): %d", rc); | |
184 | |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
162
diff
changeset
|
185 /* aio, iocp */ |
167
8aef3c72e5da
nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
186 |
8aef3c72e5da
nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
187 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
|
188 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
|
189 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
|
190 return NGX_ERROR; |
8aef3c72e5da
nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
191 } |
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 /* |
487 | 194 * 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
|
195 * NT does not support it. |
577 | 196 * |
169
edf29bb717da
nginx-0.0.1-2003-10-31-19:05:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
168
diff
changeset
|
197 * 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
|
198 */ |
577 | 199 |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
200 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
|
201 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
|
202 |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
162
diff
changeset
|
203 return NGX_OK; |
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
162
diff
changeset
|
204 } |
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
162
diff
changeset
|
205 |
487 | 206 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { |
207 | |
208 /* kqueue */ | |
209 | |
137
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
210 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
|
211 |
487 | 212 } else { |
213 | |
214 /* select, poll, /dev/poll */ | |
215 | |
137
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
216 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
|
217 } |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
218 |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
219 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
|
220 return NGX_ERROR; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
221 } |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
222 |
137
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
223 if (rc == -1) { |
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 /* NGX_EINPROGRESS */ |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
226 |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
227 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
|
228 return NGX_ERROR; |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
229 } |
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 return NGX_AGAIN; |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
232 } |
2a615b036870
nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
233 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
234 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
|
235 |
148
5afee0074707
nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
236 wev->ready = 1; |
5afee0074707
nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
237 |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
131
diff
changeset
|
238 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
|
239 } |
131
049e78b1f852
nginx-0.0.1-2003-08-14-10:00:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
124
diff
changeset
|
240 |
049e78b1f852
nginx-0.0.1-2003-08-14-10:00:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
124
diff
changeset
|
241 |
884 | 242 ngx_int_t |
243 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
|
244 { |
884 | 245 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
|
246 } |