Mercurial > hg > nginx
annotate src/event/ngx_event_acceptex.c @ 561:e48ebafc6939 release-0.3.2
nginx-0.3.2-RELEASE import
*) Feature: the Sun Studio 10 C compiler support.
*) Feature: the "proxy_upstream_max_fails",
"proxy_upstream_fail_timeout", "fastcgi_upstream_max_fails", and
"fastcgi_upstream_fail_timeout" directives.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Wed, 12 Oct 2005 13:50:36 +0000 |
| parents | 511a89da35ad |
| children | 9c2f3ed7a247 |
| 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 |
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11 |
| 543 | 12 static void ngx_close_posted_connection(ngx_connection_t *c); |
| 13 | |
| 14 | |
| 15 void | |
| 16 ngx_event_acceptex(ngx_event_t *rev) | |
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17 { |
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18 ngx_connection_t *c; |
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19 |
| 461 | 20 c = rev->data; |
| 21 | |
| 543 | 22 c->log->handler = ngx_accept_log_error; |
| 23 | |
| 461 | 24 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "AcceptEx: %d", c->fd); |
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25 |
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26 if (rev->ovlp.error) { |
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27 ngx_log_error(NGX_LOG_CRIT, c->log, rev->ovlp.error, |
| 461 | 28 "AcceptEx() %V failed", &c->listening->addr_text); |
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29 return; |
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30 } |
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31 |
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32 /* SO_UPDATE_ACCEPT_CONTEXT is required for shutdown() to work */ |
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33 |
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34 if (setsockopt(c->fd, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT, |
| 461 | 35 (char *) &c->listening->fd, sizeof(ngx_socket_t)) == -1) |
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36 { |
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37 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, |
| 461 | 38 "setsockopt(SO_UPDATE_ACCEPT_CONTEXT) failed for %V", |
| 39 &c->addr_text); | |
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40 } else { |
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41 c->accept_context_updated = 1; |
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42 } |
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43 |
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44 getacceptexsockaddrs(c->buffer->pos, c->listening->post_accept_buffer_size, |
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45 c->listening->socklen + 16, |
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46 c->listening->socklen + 16, |
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47 &c->local_sockaddr, &c->local_socklen, |
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48 &c->sockaddr, &c->socklen); |
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49 |
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50 if (c->listening->post_accept_buffer_size) { |
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51 c->buffer->last += rev->available; |
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52 c->buffer->end = c->buffer->start |
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53 + c->listening->post_accept_buffer_size; |
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54 |
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55 } else { |
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56 c->buffer = NULL; |
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57 } |
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58 |
| 461 | 59 if (c->listening->addr_ntop) { |
| 60 c->addr_text.data = ngx_palloc(c->pool, | |
| 61 c->listening->addr_text_max_len); | |
| 62 if (c->addr_text.data == NULL) { | |
| 63 /* TODO: close socket */ | |
| 64 return; | |
| 65 } | |
| 66 | |
| 67 c->addr_text.len = ngx_sock_ntop(c->listening->family, c->sockaddr, | |
| 68 c->addr_text.data, | |
| 69 c->listening->addr_text_max_len); | |
| 70 if (c->addr_text.len == 0) { | |
| 71 /* TODO: close socket */ | |
| 72 return; | |
| 73 } | |
| 74 } | |
| 75 | |
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76 ngx_event_post_acceptex(c->listening, 1); |
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77 |
| 561 | 78 c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
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79 |
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80 c->listening->handler(c); |
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81 |
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82 return; |
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83 |
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84 } |
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85 |
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86 |
| 543 | 87 ngx_int_t |
| 88 ngx_event_post_acceptex(ngx_listening_t *ls, ngx_uint_t n) | |
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89 { |
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90 u_long rcvd; |
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91 ngx_err_t err; |
| 543 | 92 ngx_log_t *log; |
| 93 ngx_uint_t i; | |
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94 ngx_event_t *rev, *wev; |
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95 ngx_socket_t s; |
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96 ngx_connection_t *c; |
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97 |
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98 for (i = 0; i < n; i++) { |
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99 |
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100 /* TODO: look up reused sockets */ |
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101 |
| 479 | 102 s = ngx_socket(ls->family, ls->type, 0); |
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103 |
| 543 | 104 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, &ls->log, 0, |
| 461 | 105 ngx_socket_n " s:%d", s); |
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106 |
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107 if (s == -1) { |
| 543 | 108 ngx_log_error(NGX_LOG_ALERT, &ls->log, ngx_socket_errno, |
| 109 ngx_socket_n " failed"); | |
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110 |
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111 return NGX_ERROR; |
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112 } |
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113 |
| 543 | 114 c = ngx_get_connection(s, &ls->log); |
| 115 | |
| 116 if (c == NULL) { | |
| 117 return NGX_ERROR; | |
| 118 } | |
| 119 | |
| 120 c->pool = ngx_create_pool(ls->pool_size, &ls->log); | |
| 121 if (c->pool == NULL) { | |
| 122 ngx_close_posted_connection(c); | |
| 123 return NGX_ERROR; | |
| 124 } | |
| 125 | |
| 126 log = ngx_palloc(c->pool, sizeof(ngx_log_t)); | |
| 127 if (log == NULL) { | |
| 128 ngx_close_posted_connection(c); | |
| 129 return NGX_ERROR; | |
|
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130 } |
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131 |
| 543 | 132 c->buffer = ngx_create_temp_buf(c->pool, ls->post_accept_buffer_size |
| 133 + 2 * (ls->socklen + 16)); | |
| 134 if (c->buffer == NULL) { | |
| 135 ngx_close_posted_connection(c); | |
| 136 return NGX_ERROR; | |
| 137 } | |
| 138 | |
| 139 c->local_sockaddr = ngx_palloc(c->pool, ls->socklen); | |
| 140 if (c->local_sockaddr == NULL) { | |
| 141 ngx_close_posted_connection(c); | |
| 142 return NGX_ERROR; | |
| 143 } | |
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144 |
| 543 | 145 c->sockaddr = ngx_palloc(c->pool, ls->socklen); |
| 146 if (c->sockaddr == NULL) { | |
| 147 ngx_close_posted_connection(c); | |
| 148 return NGX_ERROR; | |
| 149 } | |
| 150 | |
| 151 *log = ls->log; | |
| 152 c->log = log; | |
| 153 | |
| 154 c->recv = ngx_recv; | |
| 155 c->send = ngx_send; | |
| 156 c->send_chain = ngx_send_chain; | |
| 157 | |
| 158 c->unexpected_eof = 1; | |
| 159 | |
| 160 c->ctx = ls->ctx; | |
| 161 c->servers = ls->servers; | |
| 162 | |
| 163 c->listening = ls; | |
| 164 | |
| 561 | 165 rev = c->read; |
| 166 wev = c->write; | |
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167 |
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168 rev->ovlp.event = rev; |
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169 wev->ovlp.event = wev; |
| 509 | 170 rev->handler = ngx_event_acceptex; |
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171 |
| 461 | 172 rev->ready = 1; |
| 173 wev->ready = 1; | |
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174 |
| 543 | 175 rev->log = c->log; |
| 176 wev->log = c->log; | |
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177 |
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Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
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178 if (ngx_add_event(rev, 0, NGX_IOCP_IO) == NGX_ERROR) { |
| 543 | 179 ngx_close_posted_connection(c); |
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59
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
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180 return NGX_ERROR; |
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e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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181 } |
|
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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182 |
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103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
102
diff
changeset
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183 if (acceptex(ls->fd, s, c->buffer->pos, ls->post_accept_buffer_size, |
|
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
102
diff
changeset
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184 ls->socklen + 16, ls->socklen + 16, |
|
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
102
diff
changeset
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185 &rcvd, (LPOVERLAPPED) &rev->ovlp) == 0) |
|
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
102
diff
changeset
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186 { |
|
59
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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187 |
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e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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188 err = ngx_socket_errno; |
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103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
102
diff
changeset
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189 if (err != WSA_IO_PENDING) { |
| 543 | 190 ngx_log_error(NGX_LOG_ALERT, &ls->log, err, |
|
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
102
diff
changeset
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191 "AcceptEx() %s falied", ls->addr_text.data); |
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59
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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192 |
| 543 | 193 ngx_close_posted_connection(c); |
|
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
102
diff
changeset
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194 return NGX_ERROR; |
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6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
102
diff
changeset
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195 } |
|
59
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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196 } |
|
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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197 } |
|
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
198 |
|
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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199 return NGX_OK; |
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e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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200 } |
| 543 | 201 |
| 202 | |
| 203 static void | |
| 204 ngx_close_posted_connection(ngx_connection_t *c) | |
| 205 { | |
| 206 ngx_socket_t fd; | |
| 207 | |
| 208 ngx_free_connection(c); | |
| 209 | |
| 210 fd = c->fd; | |
| 211 c->fd = (ngx_socket_t) -1; | |
| 212 | |
| 213 if (ngx_close_socket(fd) == -1) { | |
| 214 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_socket_errno, | |
| 215 ngx_close_socket_n " failed"); | |
| 216 } | |
| 217 | |
| 218 if (c->pool) { | |
| 219 ngx_destroy_pool(c->pool); | |
| 220 } | |
| 221 } | |
| 222 | |
| 223 | |
| 224 u_char * | |
| 225 ngx_acceptex_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
| 226 { | |
| 227 return ngx_snprintf(buf, len, " while posting AcceptEx() on %V", log->data); | |
| 228 } |