annotate src/event/ngx_event_acceptex.c @ 501:d4ea69372b94 release-0.1.25

nginx-0.1.25-RELEASE import *) Bugfix: nginx did run on Linux parisc. *) Feature: nginx now does not start under FreeBSD if the sysctl kern.ipc.somaxconn value is too big. *) Bugfix: if a request was internally redirected by the ngx_http_index_module module to the ngx_http_proxy_module or ngx_http_fastcgi_module modules, then the index file was not closed after request completion. *) Feature: the "proxy_pass" can be used in location with regular expression. *) Feature: the ngx_http_rewrite_filter_module module supports the condition like "if ($HTTP_USER_AGENT ~ MSIE)". *) Bugfix: nginx started too slow if the large number of addresses and text values were used in the "geo" directive. *) Change: a variable name must be declared as "$name" in the "geo" directive. The previous variant without "$" is still supported, but will be removed soon. *) Feature: the "%{VARIABLE}v" logging parameter. *) Feature: the "set $name value" directive. *) Bugfix: gcc 4.0 compatibility. *) Feature: the --with-openssl-opt=OPTIONS autoconfiguration directive.
author Igor Sysoev <igor@sysoev.ru>
date Sat, 19 Mar 2005 12:38:37 +0000
parents d7c90bb5ce83
children 9b8c906f6e63
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1
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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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4 */
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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6
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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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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12 void ngx_event_acceptex(ngx_event_t *rev)
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13 {
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14 ngx_connection_t *c;
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15
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16 c = rev->data;
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17
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18 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "AcceptEx: %d", c->fd);
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19
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20 if (rev->ovlp.error) {
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21 ngx_log_error(NGX_LOG_CRIT, c->log, rev->ovlp.error,
461
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22 "AcceptEx() %V failed", &c->listening->addr_text);
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23 return;
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24 }
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25
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26 /* SO_UPDATE_ACCEPT_CONTEXT is required for shutdown() to work */
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27
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28 if (setsockopt(c->fd, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT,
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29 (char *) &c->listening->fd, sizeof(ngx_socket_t)) == -1)
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30 {
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31 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno,
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32 "setsockopt(SO_UPDATE_ACCEPT_CONTEXT) failed for %V",
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33 &c->addr_text);
102
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34 } else {
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35 c->accept_context_updated = 1;
100
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36 }
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37
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38 getacceptexsockaddrs(c->buffer->pos, c->listening->post_accept_buffer_size,
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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39 c->listening->socklen + 16,
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40 c->listening->socklen + 16,
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41 &c->local_sockaddr, &c->local_socklen,
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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42 &c->sockaddr, &c->socklen);
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43
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44 if (c->listening->post_accept_buffer_size) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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45 c->buffer->last += rev->available;
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46 c->buffer->end = c->buffer->start
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47 + c->listening->post_accept_buffer_size;
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48
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49 } else {
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50 c->buffer = NULL;
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51 }
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52
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53 if (c->listening->addr_ntop) {
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54 c->addr_text.data = ngx_palloc(c->pool,
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55 c->listening->addr_text_max_len);
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56 if (c->addr_text.data == NULL) {
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57 /* TODO: close socket */
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58 return;
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59 }
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60
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61 c->addr_text.len = ngx_sock_ntop(c->listening->family, c->sockaddr,
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62 c->addr_text.data,
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63 c->listening->addr_text_max_len);
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64 if (c->addr_text.len == 0) {
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65 /* TODO: close socket */
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66 return;
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67 }
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68 }
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69
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70 ngx_event_post_acceptex(c->listening, 1);
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71
310
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72 c->number = ngx_atomic_inc(ngx_connection_counter);
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73
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74 c->listening->handler(c);
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75
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76 return;
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77
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78 }
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79
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80
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81 int ngx_event_post_acceptex(ngx_listening_t *ls, int n)
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82 {
280
7c7183b3ea8b nginx-0.0.2-2004-03-05-11:34:24 import
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83 u_long rcvd;
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84 ngx_int_t i;
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85 ngx_err_t err;
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86 ngx_event_t *rev, *wev;
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87 ngx_socket_t s;
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88 ngx_connection_t *c;
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89
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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90 for (i = 0; i < n; i++) {
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91
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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92 /* TODO: look up reused sockets */
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93
479
c52408583801 nginx-0.1.14-RELEASE import
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94 s = ngx_socket(ls->family, ls->type, 0);
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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95
461
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96 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ls->log, 0,
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97 ngx_socket_n " s:%d", s);
59
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98
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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99 if (s == -1) {
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100 ngx_log_error(NGX_LOG_ALERT, ls->log, ngx_socket_errno,
103
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101 ngx_socket_n " for AcceptEx() %s post failed",
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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102 ls->addr_text.data);
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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103
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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104 return NGX_ERROR;
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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105 }
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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106
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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107 /*
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108 * Winsock assignes a socket number divisible by 4
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109 * so to find a connection we divide a socket number by 4.
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110 */
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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111
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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112 if (s % 4) {
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113 ngx_log_error(NGX_LOG_EMERG, ls->log, 0,
114
ac69ab96328d nginx-0.0.1-2003-07-07-10:11:50 import
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diff changeset
114 ngx_socket_n
ac69ab96328d nginx-0.0.1-2003-07-07-10:11:50 import
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parents: 103
diff changeset
115 " created socket %d, not divisible by 4", s);
ac69ab96328d nginx-0.0.1-2003-07-07-10:11:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
116
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
117 exit(1);
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
118 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
119
114
ac69ab96328d nginx-0.0.1-2003-07-07-10:11:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
120 c = &ngx_cycle->connections[s / 4];
ac69ab96328d nginx-0.0.1-2003-07-07-10:11:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
121 rev = &ngx_cycle->read_events[s / 4];
ac69ab96328d nginx-0.0.1-2003-07-07-10:11:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
122 wev = &ngx_cycle->write_events[s / 4];
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123
114
ac69ab96328d nginx-0.0.1-2003-07-07-10:11:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
124 ngx_memzero(c, sizeof(ngx_connection_t));
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125 ngx_memzero(rev, sizeof(ngx_event_t));
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 ngx_memzero(wev, sizeof(ngx_event_t));
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
128 c->listening = ls;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
129
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
130 rev->index = NGX_INVALID_INDEX;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
131 wev->index = NGX_INVALID_INDEX;
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133 rev->ovlp.event = rev;
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134 wev->ovlp.event = wev;
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
135 rev->event_handler = ngx_event_acceptex;
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
137 rev->data = c;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
138 wev->data = c;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
139
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140 c->read = rev;
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141 c->write = wev;
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143 c->fd = s;
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
144 c->unexpected_eof = 1;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
145
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
146 rev->ready = 1;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
147 wev->write = 1;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
148 wev->ready = 1;
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 c->ctx = ls->ctx;
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 c->servers = ls->servers;
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
153 c->recv = ngx_recv;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
154 c->send_chain = ngx_send_chain;
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
155
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
156 c->pool = ngx_create_pool(ls->pool_size, ls->log);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
157 if (c->pool == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
158 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
159 }
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
160
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
161 c->buffer = ngx_create_temp_buf(c->pool,
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
162 ls->post_accept_buffer_size
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
163 + 2 * (c->listening->socklen + 16));
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
164 if (c->buffer == NULL) {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
165 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
166 }
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
167
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
168 c->local_sockaddr = ngx_palloc(c->pool, ls->socklen);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
169 if (c->local_sockaddr == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
170 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
171 }
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
172
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
173 c->sockaddr = ngx_palloc(c->pool, ls->socklen);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
174 if (c->sockaddr == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
175 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
176 }
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
178 c->log = ngx_palloc(c->pool, sizeof(ngx_log_t));
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
179 if (c->log == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
180 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
181 }
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
182
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183 ngx_memcpy(c->log, ls->log, sizeof(ngx_log_t));
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
184 c->read->log = c->log;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
185 c->write->log = c->log;
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186
102
7e86d028d8f0 nginx-0.0.1-2003-06-06-18:59:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
187 if (ngx_add_event(rev, 0, NGX_IOCP_IO) == NGX_ERROR) {
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 return NGX_ERROR;
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189 }
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
191 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
192 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
193 &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
194 {
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196 err = ngx_socket_errno;
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
197 if (err != WSA_IO_PENDING) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
198 ngx_log_error(NGX_LOG_ALERT, ls->log, err,
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
199 "AcceptEx() %s falied", ls->addr_text.data);
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
201 return NGX_ERROR;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 102
diff changeset
202 }
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 }
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 }
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 return NGX_OK;
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 }