Mercurial > hg > nginx-quic
annotate src/event/ngx_event_accept.c @ 573:58475592100c release-0.3.8
nginx-0.3.8-RELEASE import
*) Security: nginx now checks URI got from a backend in
"X-Accel-Redirect" header line or in SSI file for the "/../" paths
and zeroes.
*) Change: nginx now does not treat the empty user name in the
"Authorization" header line as valid one.
*) Feature: the "ssl_session_timeout" directives of the
ngx_http_ssl_module and ngx_imap_ssl_module.
*) Feature: the "auth_http_header" directive of the
ngx_imap_auth_http_module.
*) Feature: the "add_header" directive.
*) Feature: the ngx_http_realip_module.
*) Feature: the new variables to use in the "log_format" directive:
$bytes_sent, $apache_bytes_sent, $status, $time_gmt, $uri,
$request_time, $request_length, $upstream_status,
$upstream_response_time, $gzip_ratio, $uid_got, $uid_set,
$connection, $pipe, and $msec. The parameters in the "%name" form
will be canceled soon.
*) Change: now the false variable values in the "if" directive are the
empty string "" and string starting with "0".
*) Bugfix: while using proxied or FastCGI-server nginx may leave
connections and temporary files with client requests in open state.
*) Bugfix: the worker processes did not flush the buffered logs on
graceful exit.
*) Bugfix: if the request URI was changes by the "rewrite" directive
and the request was proxied in location given by regular expression,
then the incorrect request was transferred to backend; the bug had
appeared in 0.2.6.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" header.
*) Bugfix: nginx may stop to accept requests if the "rtsig" method and
several worker processes were used.
*) Bugfix: the "\"" and "\'" escape symbols were incorrectly handled in
SSI commands.
*) Bugfix: if the response was ended just after the SSI command and
gzipping was used, then the response did not transferred complete or
did not transferred at all.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 09 Nov 2005 17:25:55 +0000 |
parents | e48ebafc6939 |
children | 4d9ea73a627a |
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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11 |
543 | 12 /* the buffer size is enough to hold "struct sockaddr_un" */ |
13 #define NGX_SOCKLEN 512 | |
14 | |
15 | |
573 | 16 static ngx_int_t ngx_enable_accept_events(ngx_cycle_t *cycle); |
17 static ngx_int_t ngx_disable_accept_events(ngx_cycle_t *cycle); | |
543 | 18 static void ngx_close_accepted_connection(ngx_connection_t *c); |
191
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19 |
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20 |
493 | 21 void |
22 ngx_event_accept(ngx_event_t *ev) | |
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23 { |
543 | 24 socklen_t sl; |
483 | 25 ngx_err_t err; |
26 ngx_log_t *log; | |
27 ngx_socket_t s; | |
28 ngx_event_t *rev, *wev; | |
543 | 29 ngx_listening_t *ls; |
30 ngx_connection_t *c, *lc; | |
483 | 31 ngx_event_conf_t *ecf; |
543 | 32 char sa[NGX_SOCKLEN]; |
26
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33 |
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34 ecf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_event_core_module); |
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35 |
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36 if (ngx_event_flags & NGX_USE_RTSIG_EVENT) { |
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37 ev->available = 1; |
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38 |
455 | 39 } else if (!(ngx_event_flags & NGX_USE_KQUEUE_EVENT)) { |
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40 ev->available = ecf->multi_accept; |
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41 } |
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42 |
543 | 43 lc = ev->data; |
44 ls = lc->listening; | |
45 ev->ready = 0; | |
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46 |
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47 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
543 | 48 "accept on %V, ready: %d", &ls->addr_text, ev->available); |
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49 |
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50 do { |
543 | 51 sl = NGX_SOCKLEN; |
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52 |
543 | 53 s = accept(lc->fd, (struct sockaddr *) sa, &sl); |
477 | 54 |
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55 if (s == -1) { |
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56 err = ngx_socket_errno; |
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58 if (err == NGX_EAGAIN) { |
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59 return; |
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60 } |
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61 |
509 | 62 ngx_log_error((err == NGX_ECONNABORTED) ? NGX_LOG_CRIT: |
63 NGX_LOG_ALERT, | |
543 | 64 ev->log, err, "accept() failed"); |
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65 |
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66 if (err == NGX_ECONNABORTED) { |
455 | 67 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
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68 ev->available--; |
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69 } |
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70 |
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71 if (ev->available) { |
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72 continue; |
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73 } |
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74 } |
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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 #if (NGX_STAT_STUB) |
561 | 80 ngx_atomic_fetch_add(ngx_stat_accepted, 1); |
81 ngx_atomic_fetch_add(ngx_stat_active, 1); | |
426
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82 #endif |
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83 |
543 | 84 ngx_accept_disabled = NGX_ACCEPT_THRESHOLD |
85 - ngx_cycle->free_connection_n; | |
86 | |
87 c = ngx_get_connection(s, ev->log); | |
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88 |
543 | 89 if (c == NULL) { |
90 if (ngx_close_socket(s) == -1) { | |
91 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_socket_errno, | |
92 ngx_close_socket_n " failed"); | |
93 } | |
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94 |
543 | 95 return; |
96 } | |
97 | |
98 c->pool = ngx_create_pool(ls->pool_size, ev->log); | |
99 if (c->pool == NULL) { | |
100 ngx_close_accepted_connection(c); | |
101 return; | |
102 } | |
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103 |
543 | 104 c->sockaddr = ngx_palloc(c->pool, sl); |
105 if (c->sockaddr == NULL) { | |
106 ngx_close_accepted_connection(c); | |
107 return; | |
108 } | |
109 | |
110 ngx_memcpy(c->sockaddr, sa, sl); | |
111 | |
112 log = ngx_palloc(c->pool, sizeof(ngx_log_t)); | |
113 if (log == NULL) { | |
114 ngx_close_accepted_connection(c); | |
87
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115 return; |
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116 } |
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117 |
487 | 118 /* set a blocking mode for aio and non-blocking mode for others */ |
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119 |
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120 if (ngx_inherited_nonblocking) { |
543 | 121 if (ngx_event_flags & NGX_USE_AIO_EVENT) { |
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122 if (ngx_blocking(s) == -1) { |
543 | 123 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_socket_errno, |
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124 ngx_blocking_n " failed"); |
543 | 125 ngx_close_accepted_connection(c); |
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126 return; |
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127 } |
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128 } |
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129 |
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130 } else { |
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131 if (!(ngx_event_flags & (NGX_USE_AIO_EVENT|NGX_USE_RTSIG_EVENT))) { |
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132 if (ngx_nonblocking(s) == -1) { |
543 | 133 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_socket_errno, |
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134 ngx_nonblocking_n " failed"); |
543 | 135 ngx_close_accepted_connection(c); |
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136 return; |
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137 } |
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138 } |
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139 } |
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140 |
543 | 141 *log = ls->log; |
142 | |
143 c->recv = ngx_recv; | |
144 c->send = ngx_send; | |
145 c->send_chain = ngx_send_chain; | |
103
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146 |
543 | 147 c->log = log; |
148 c->pool->log = log; | |
103
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149 |
543 | 150 c->listening = ls; |
151 c->socklen = sl; | |
152 | |
153 c->unexpected_eof = 1; | |
154 | |
155 c->ctx = lc->ctx; | |
156 c->servers = lc->servers; | |
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157 |
561 | 158 rev = c->read; |
159 wev = c->write; | |
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160 |
164
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161 wev->ready = 1; |
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162 |
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163 if (ngx_event_flags & (NGX_USE_AIO_EVENT|NGX_USE_RTSIG_EVENT)) { |
493 | 164 /* rtsig, aio, iocp */ |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
121
diff
changeset
|
165 rev->ready = 1; |
59
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
166 } |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
167 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
236
diff
changeset
|
168 if (ev->deferred_accept) { |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
236
diff
changeset
|
169 rev->ready = 1; |
523 | 170 #if (NGX_HAVE_KQUEUE) |
171 rev->available = 1; | |
172 #endif | |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
236
diff
changeset
|
173 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
236
diff
changeset
|
174 |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
175 rev->log = log; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
176 wev->log = log; |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
177 |
208
0b67be7d4489
nginx-0.0.1-2003-12-08-23:48:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
206
diff
changeset
|
178 /* |
561 | 179 * TODO: MT: - ngx_atomic_fetch_add() |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
180 * or protection by critical section or light mutex |
208
0b67be7d4489
nginx-0.0.1-2003-12-08-23:48:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
206
diff
changeset
|
181 * |
0b67be7d4489
nginx-0.0.1-2003-12-08-23:48:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
206
diff
changeset
|
182 * TODO: MP: - allocated in a shared memory |
561 | 183 * - ngx_atomic_fetch_add() |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
184 * or protection by critical section or light mutex |
208
0b67be7d4489
nginx-0.0.1-2003-12-08-23:48:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
206
diff
changeset
|
185 */ |
212
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
208
diff
changeset
|
186 |
561 | 187 c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
188 |
495 | 189 #if (NGX_STAT_STUB) |
561 | 190 ngx_atomic_fetch_add(ngx_stat_handled, 1); |
495 | 191 #endif |
192 | |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
193 #if (NGX_THREADS) |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
194 rev->lock = &c->lock; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
195 wev->lock = &c->lock; |
380
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
196 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
|
197 wev->own_lock = &c->lock; |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
198 #endif |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
199 |
543 | 200 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, log, 0, |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
201 "accept: fd:%d c:%d", s, c->number); |
6
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
202 |
543 | 203 if (ls->addr_ntop) { |
204 c->addr_text.data = ngx_palloc(c->pool, ls->addr_text_max_len); | |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
205 if (c->addr_text.data == NULL) { |
543 | 206 ngx_close_accepted_connection(c); |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
207 return; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
208 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
209 |
543 | 210 c->addr_text.len = ngx_sock_ntop(ls->family, c->sockaddr, |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
211 c->addr_text.data, |
543 | 212 ls->addr_text_max_len); |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
213 if (c->addr_text.len == 0) { |
543 | 214 ngx_close_accepted_connection(c); |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
215 return; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
216 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
217 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
218 |
307
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
219 #if (NGX_DEBUG) |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
220 { |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
221 |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
222 uint32_t *addr; |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
223 in_addr_t i; |
479 | 224 struct sockaddr_in *sin; |
307
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
225 |
479 | 226 sin = (struct sockaddr_in *) sa; |
307
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
227 addr = ecf->debug_connection.elts; |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
228 for (i = 0; i < ecf->debug_connection.nelts; i++) { |
479 | 229 if (addr[i] == sin->sin_addr.s_addr) { |
307
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
230 log->log_level = NGX_LOG_DEBUG_CONNECTION|NGX_LOG_DEBUG_ALL; |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
231 break; |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
232 } |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
233 } |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
234 |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
235 } |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
236 #endif |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
237 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
238 if (ngx_add_conn && (ngx_event_flags & NGX_USE_EPOLL_EVENT) == 0) { |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
239 if (ngx_add_conn(c) == NGX_ERROR) { |
543 | 240 ngx_close_accepted_connection(c); |
87
5f6d848dcbef
nginx-0.0.1-2003-05-13-20:02:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
86
diff
changeset
|
241 return; |
64
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
242 } |
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
243 } |
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
244 |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
245 log->data = NULL; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
246 log->handler = NULL; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
247 |
543 | 248 ls->handler(c); |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
249 |
455 | 250 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
251 ev->available--; |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
252 } |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
253 |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
254 } while (ev->available); |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
255 } |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
256 |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
257 |
493 | 258 ngx_int_t |
259 ngx_trylock_accept_mutex(ngx_cycle_t *cycle) | |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
260 { |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
303
diff
changeset
|
261 if (*ngx_accept_mutex == 0 |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
303
diff
changeset
|
262 && ngx_atomic_cmp_set(ngx_accept_mutex, 0, ngx_pid)) |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
303
diff
changeset
|
263 { |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
264 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
265 "accept mutex locked"); |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
266 |
573 | 267 if (ngx_accept_mutex_held |
268 && (!(ngx_event_flags & NGX_USE_RTSIG_EVENT) | |
269 || *ngx_accept_mutex_last_owner == (ngx_atomic_t) ngx_pid)) | |
270 { | |
271 return NGX_OK; | |
272 } | |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
273 |
573 | 274 if (ngx_enable_accept_events(cycle) == NGX_ERROR) { |
275 *ngx_accept_mutex = 0; | |
276 return NGX_ERROR; | |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
277 } |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
278 |
573 | 279 ngx_accept_mutex_held = 1; |
280 | |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
281 return NGX_OK; |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
282 } |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
283 |
302
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
301
diff
changeset
|
284 if (ngx_accept_mutex_held) { |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
285 if (ngx_disable_accept_events(cycle) == NGX_ERROR) { |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
286 return NGX_ERROR; |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
287 } |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
288 |
302
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
301
diff
changeset
|
289 ngx_accept_mutex_held = 0; |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
290 } |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
291 |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
292 return NGX_OK; |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
293 } |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
294 |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
295 |
573 | 296 static ngx_int_t |
493 | 297 ngx_enable_accept_events(ngx_cycle_t *cycle) |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
298 { |
543 | 299 ngx_uint_t i; |
300 ngx_listening_t *ls; | |
301 ngx_connection_t *c; | |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
302 |
543 | 303 ls = cycle->listening.elts; |
301
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304 for (i = 0; i < cycle->listening.nelts; i++) { |
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305 |
543 | 306 c = ls[i].connection; |
301
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307 |
346
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308 if (ngx_event_flags & NGX_USE_RTSIG_EVENT) { |
573 | 309 |
310 if (ngx_accept_mutex_held) { | |
311 c->read->disabled = 1; | |
312 } | |
313 | |
543 | 314 if (ngx_add_conn(c) == NGX_ERROR) { |
301
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315 return NGX_ERROR; |
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316 } |
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317 |
573 | 318 *ngx_accept_mutex_last_owner = ngx_pid; |
319 | |
301
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320 } else { |
543 | 321 if (ngx_add_event(c->read, NGX_READ_EVENT, 0) == NGX_ERROR) { |
301
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322 return NGX_ERROR; |
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323 } |
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324 } |
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325 } |
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326 |
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327 return NGX_OK; |
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328 } |
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329 |
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330 |
573 | 331 static ngx_int_t |
493 | 332 ngx_disable_accept_events(ngx_cycle_t *cycle) |
301
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333 { |
543 | 334 ngx_uint_t i; |
335 ngx_listening_t *ls; | |
336 ngx_connection_t *c; | |
301
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337 |
543 | 338 ls = cycle->listening.elts; |
301
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339 for (i = 0; i < cycle->listening.nelts; i++) { |
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340 |
543 | 341 c = ls[i].connection; |
342 | |
343 if (!c->read->active) { | |
344 continue; | |
345 } | |
301
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346 |
346
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347 if (ngx_event_flags & NGX_USE_RTSIG_EVENT) { |
543 | 348 if (ngx_del_conn(c, NGX_DISABLE_EVENT) == NGX_ERROR) { |
301
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349 return NGX_ERROR; |
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350 } |
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351 |
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352 } else { |
543 | 353 if (ngx_del_event(c->read, NGX_READ_EVENT, NGX_DISABLE_EVENT) |
354 == NGX_ERROR) | |
301
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355 { |
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356 return NGX_ERROR; |
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357 } |
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358 } |
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359 } |
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360 |
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361 return NGX_OK; |
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362 } |
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363 |
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364 |
493 | 365 static void |
543 | 366 ngx_close_accepted_connection(ngx_connection_t *c) |
419
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367 { |
543 | 368 ngx_socket_t fd; |
369 | |
370 ngx_free_connection(c); | |
371 | |
372 fd = c->fd; | |
373 c->fd = (ngx_socket_t) -1; | |
374 | |
375 if (ngx_close_socket(fd) == -1) { | |
376 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_socket_errno, | |
419
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377 ngx_close_socket_n " failed"); |
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378 } |
495 | 379 |
543 | 380 if (c->pool) { |
381 ngx_destroy_pool(c->pool); | |
382 } | |
383 | |
495 | 384 #if (NGX_STAT_STUB) |
561 | 385 ngx_atomic_fetch_add(ngx_stat_active, -1); |
495 | 386 #endif |
419
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387 } |
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parents:
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|
388 |
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nginx-0.0.10-2004-09-09-19:40:48 import
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396
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389 |
543 | 390 u_char * |
493 | 391 ngx_accept_log_error(ngx_log_t *log, u_char *buf, size_t len) |
191
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164
diff
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392 { |
543 | 393 return ngx_snprintf(buf, len, " while accepting new connection on %V", |
394 log->data); | |
191
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395 } |