Mercurial > hg > nginx-quic
annotate src/event/ngx_event_accept.c @ 7353:87d2ea860f38
SSL: restore handlers after blocking.
It is possible that after SSL_read() will return SSL_ERROR_WANT_WRITE,
further calls will return SSL_ERROR_WANT_READ without reading any
application data. We have to call ngx_handle_write_event() and
switch back to normal write handling much like we do if there are some
application data, or the write there will be reported again and again.
Similarly, we have to switch back to normal read handling if there
is saved read handler and SSL_write() returns SSL_ERROR_WANT_WRITE.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 10 Sep 2018 18:57:39 +0300 |
parents | 88a624c9b491 |
children | fdc3d40979b0 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
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12 |
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13 static ngx_int_t ngx_disable_accept_events(ngx_cycle_t *cycle, ngx_uint_t all); |
543 | 14 static void ngx_close_accepted_connection(ngx_connection_t *c); |
191
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15 |
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16 |
493 | 17 void |
18 ngx_event_accept(ngx_event_t *ev) | |
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19 { |
714 | 20 socklen_t socklen; |
483 | 21 ngx_err_t err; |
22 ngx_log_t *log; | |
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23 ngx_uint_t level; |
483 | 24 ngx_socket_t s; |
25 ngx_event_t *rev, *wev; | |
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26 ngx_sockaddr_t sa; |
543 | 27 ngx_listening_t *ls; |
28 ngx_connection_t *c, *lc; | |
483 | 29 ngx_event_conf_t *ecf; |
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30 #if (NGX_HAVE_ACCEPT4) |
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31 static ngx_uint_t use_accept4 = 1; |
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32 #endif |
26
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33 |
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34 if (ev->timedout) { |
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35 if (ngx_enable_accept_events((ngx_cycle_t *) ngx_cycle) != NGX_OK) { |
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36 return; |
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37 } |
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38 |
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39 ev->timedout = 0; |
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40 } |
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41 |
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42 ecf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_event_core_module); |
97
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43 |
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44 if (!(ngx_event_flags & NGX_USE_KQUEUE_EVENT)) { |
248
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45 ev->available = ecf->multi_accept; |
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46 } |
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47 |
543 | 48 lc = ev->data; |
49 ls = lc->listening; | |
50 ev->ready = 0; | |
57
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51 |
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52 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
543 | 53 "accept on %V, ready: %d", &ls->addr_text, ev->available); |
57
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54 |
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55 do { |
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56 socklen = sizeof(ngx_sockaddr_t); |
191
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57 |
3786 | 58 #if (NGX_HAVE_ACCEPT4) |
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59 if (use_accept4) { |
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60 s = accept4(lc->fd, &sa.sockaddr, &socklen, SOCK_NONBLOCK); |
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61 } else { |
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62 s = accept(lc->fd, &sa.sockaddr, &socklen); |
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63 } |
3786 | 64 #else |
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65 s = accept(lc->fd, &sa.sockaddr, &socklen); |
3786 | 66 #endif |
477 | 67 |
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68 if (s == (ngx_socket_t) -1) { |
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69 err = ngx_socket_errno; |
57
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70 |
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71 if (err == NGX_EAGAIN) { |
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72 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, err, |
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73 "accept() not ready"); |
87
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74 return; |
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75 } |
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76 |
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77 level = NGX_LOG_ALERT; |
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78 |
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79 if (err == NGX_ECONNABORTED) { |
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80 level = NGX_LOG_ERR; |
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81 |
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82 } else if (err == NGX_EMFILE || err == NGX_ENFILE) { |
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83 level = NGX_LOG_CRIT; |
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84 } |
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85 |
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86 #if (NGX_HAVE_ACCEPT4) |
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87 ngx_log_error(level, ev->log, err, |
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88 use_accept4 ? "accept4() failed" : "accept() failed"); |
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89 |
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90 if (use_accept4 && err == NGX_ENOSYS) { |
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91 use_accept4 = 0; |
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92 ngx_inherited_nonblocking = 0; |
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93 continue; |
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94 } |
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95 #else |
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96 ngx_log_error(level, ev->log, err, "accept() failed"); |
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97 #endif |
97
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98 |
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99 if (err == NGX_ECONNABORTED) { |
455 | 100 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
248
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101 ev->available--; |
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102 } |
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103 |
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104 if (ev->available) { |
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105 continue; |
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106 } |
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107 } |
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108 |
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109 if (err == NGX_EMFILE || err == NGX_ENFILE) { |
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110 if (ngx_disable_accept_events((ngx_cycle_t *) ngx_cycle, 1) |
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111 != NGX_OK) |
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112 { |
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113 return; |
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114 } |
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115 |
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116 if (ngx_use_accept_mutex) { |
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117 if (ngx_accept_mutex_held) { |
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118 ngx_shmtx_unlock(&ngx_accept_mutex); |
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119 ngx_accept_mutex_held = 0; |
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120 } |
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121 |
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122 ngx_accept_disabled = 1; |
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4613
diff
changeset
|
123 |
c05cfc46b3bc
Accept moderation in case of EMFILE/ENFILE.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4613
diff
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|
124 } else { |
c05cfc46b3bc
Accept moderation in case of EMFILE/ENFILE.
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parents:
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diff
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|
125 ngx_add_timer(ev, ecf->accept_mutex_delay); |
c05cfc46b3bc
Accept moderation in case of EMFILE/ENFILE.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4613
diff
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|
126 } |
c05cfc46b3bc
Accept moderation in case of EMFILE/ENFILE.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4613
diff
changeset
|
127 } |
c05cfc46b3bc
Accept moderation in case of EMFILE/ENFILE.
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parents:
4613
diff
changeset
|
128 |
97
70d2345a903f
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Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
129 return; |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
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parents:
96
diff
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|
130 } |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
131 |
426
3f88935a02e8
nginx-0.0.10-2004-09-14-23:39:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
425
diff
changeset
|
132 #if (NGX_STAT_STUB) |
2951
5acd98486a33
ignore ngx_atomic_fetch_add() result
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parents:
2723
diff
changeset
|
133 (void) ngx_atomic_fetch_add(ngx_stat_accepted, 1); |
426
3f88935a02e8
nginx-0.0.10-2004-09-14-23:39:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
425
diff
changeset
|
134 #endif |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
135 |
2255 | 136 ngx_accept_disabled = ngx_cycle->connection_n / 8 |
543 | 137 - ngx_cycle->free_connection_n; |
138 | |
139 c = ngx_get_connection(s, ev->log); | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
140 |
543 | 141 if (c == NULL) { |
142 if (ngx_close_socket(s) == -1) { | |
143 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_socket_errno, | |
144 ngx_close_socket_n " failed"); | |
145 } | |
119
cd54bcbaf3b5
nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
117
diff
changeset
|
146 |
543 | 147 return; |
148 } | |
149 | |
6436 | 150 c->type = SOCK_STREAM; |
151 | |
635 | 152 #if (NGX_STAT_STUB) |
2951
5acd98486a33
ignore ngx_atomic_fetch_add() result
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parents:
2723
diff
changeset
|
153 (void) ngx_atomic_fetch_add(ngx_stat_active, 1); |
635 | 154 #endif |
155 | |
543 | 156 c->pool = ngx_create_pool(ls->pool_size, ev->log); |
157 if (c->pool == NULL) { | |
158 ngx_close_accepted_connection(c); | |
159 return; | |
160 } | |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
161 |
7119
fef61d26da39
Fixed buffer overread with unix sockets after accept().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7005
diff
changeset
|
162 if (socklen > (socklen_t) sizeof(ngx_sockaddr_t)) { |
fef61d26da39
Fixed buffer overread with unix sockets after accept().
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
163 socklen = sizeof(ngx_sockaddr_t); |
fef61d26da39
Fixed buffer overread with unix sockets after accept().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7005
diff
changeset
|
164 } |
fef61d26da39
Fixed buffer overread with unix sockets after accept().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7005
diff
changeset
|
165 |
714 | 166 c->sockaddr = ngx_palloc(c->pool, socklen); |
543 | 167 if (c->sockaddr == NULL) { |
168 ngx_close_accepted_connection(c); | |
169 return; | |
170 } | |
171 | |
6559
adf25b8d0431
Introduced the ngx_sockaddr_t type.
Ruslan Ermilov <ru@nginx.com>
parents:
6532
diff
changeset
|
172 ngx_memcpy(c->sockaddr, &sa, socklen); |
543 | 173 |
174 log = ngx_palloc(c->pool, sizeof(ngx_log_t)); | |
175 if (log == NULL) { | |
176 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
|
177 return; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 } |
6
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
179 |
6125
4dc8e7b62216
Removed the obsolete aio module.
Ruslan Ermilov <ru@nginx.com>
parents:
5820
diff
changeset
|
180 /* set a blocking mode for iocp and non-blocking mode for others */ |
59
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
181 |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
diff
changeset
|
182 if (ngx_inherited_nonblocking) { |
6125
4dc8e7b62216
Removed the obsolete aio module.
Ruslan Ermilov <ru@nginx.com>
parents:
5820
diff
changeset
|
183 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
diff
changeset
|
184 if (ngx_blocking(s) == -1) { |
543 | 185 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_socket_errno, |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
186 ngx_blocking_n " failed"); |
543 | 187 ngx_close_accepted_connection(c); |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
diff
changeset
|
188 return; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
diff
changeset
|
189 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
diff
changeset
|
190 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
diff
changeset
|
191 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
diff
changeset
|
192 } else { |
6126
adba26ff70b5
Removed the obsolete rtsig module.
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parents:
6125
diff
changeset
|
193 if (!(ngx_event_flags & NGX_USE_IOCP_EVENT)) { |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
diff
changeset
|
194 if (ngx_nonblocking(s) == -1) { |
543 | 195 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_socket_errno, |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
196 ngx_nonblocking_n " failed"); |
543 | 197 ngx_close_accepted_connection(c); |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
diff
changeset
|
198 return; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
diff
changeset
|
199 } |
59
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
200 } |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
201 } |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
202 |
543 | 203 *log = ls->log; |
204 | |
205 c->recv = ngx_recv; | |
206 c->send = ngx_send; | |
577 | 207 c->recv_chain = ngx_recv_chain; |
543 | 208 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:
100
diff
changeset
|
209 |
543 | 210 c->log = log; |
211 c->pool->log = log; | |
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
212 |
2512
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
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parents:
2255
diff
changeset
|
213 c->socklen = socklen; |
543 | 214 c->listening = ls; |
2512
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2255
diff
changeset
|
215 c->local_sockaddr = ls->sockaddr; |
5463
1ab1cf63f885
Core: keep the length of the local sockaddr.
Ruslan Ermilov <ru@nginx.com>
parents:
5360
diff
changeset
|
216 c->local_socklen = ls->socklen; |
543 | 217 |
3230
a7491af45540
http listen unix domain sockets
Igor Sysoev <igor@sysoev.ru>
parents:
2951
diff
changeset
|
218 #if (NGX_HAVE_UNIX_DOMAIN) |
a7491af45540
http listen unix domain sockets
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parents:
2951
diff
changeset
|
219 if (c->sockaddr->sa_family == AF_UNIX) { |
a7491af45540
http listen unix domain sockets
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parents:
2951
diff
changeset
|
220 c->tcp_nopush = NGX_TCP_NOPUSH_DISABLED; |
a7491af45540
http listen unix domain sockets
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parents:
2951
diff
changeset
|
221 c->tcp_nodelay = NGX_TCP_NODELAY_DISABLED; |
a7491af45540
http listen unix domain sockets
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parents:
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diff
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|
222 #if (NGX_SOLARIS) |
a7491af45540
http listen unix domain sockets
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parents:
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diff
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|
223 /* Solaris's sendfilev() supports AF_NCA, AF_INET, and AF_INET6 */ |
a7491af45540
http listen unix domain sockets
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parents:
2951
diff
changeset
|
224 c->sendfile = 0; |
a7491af45540
http listen unix domain sockets
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parents:
2951
diff
changeset
|
225 #endif |
a7491af45540
http listen unix domain sockets
Igor Sysoev <igor@sysoev.ru>
parents:
2951
diff
changeset
|
226 } |
a7491af45540
http listen unix domain sockets
Igor Sysoev <igor@sysoev.ru>
parents:
2951
diff
changeset
|
227 #endif |
a7491af45540
http listen unix domain sockets
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parents:
2951
diff
changeset
|
228 |
561 | 229 rev = c->read; |
230 wev = c->write; | |
86
3973260705cc
nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
231 |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
121
diff
changeset
|
232 wev->ready = 1; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
233 |
6126
adba26ff70b5
Removed the obsolete rtsig module.
Ruslan Ermilov <ru@nginx.com>
parents:
6125
diff
changeset
|
234 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
121
diff
changeset
|
235 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
|
236 } |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
237 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
236
diff
changeset
|
238 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
|
239 rev->ready = 1; |
7005
3e2d90073adf
Fixed deferred accept with EPOLLRDHUP enabled (ticket #1278).
Roman Arutyunyan <arut@nginx.com>
parents:
6692
diff
changeset
|
240 #if (NGX_HAVE_KQUEUE || NGX_HAVE_EPOLLRDHUP) |
523 | 241 rev->available = 1; |
242 #endif | |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
236
diff
changeset
|
243 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
236
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 rev->log = log; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
246 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
|
247 |
208
0b67be7d4489
nginx-0.0.1-2003-12-08-23:48:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
206
diff
changeset
|
248 /* |
561 | 249 * 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
|
250 * 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
|
251 * |
0b67be7d4489
nginx-0.0.1-2003-12-08-23:48:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
206
diff
changeset
|
252 * TODO: MP: - allocated in a shared memory |
561 | 253 * - 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
|
254 * 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
|
255 */ |
212
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
208
diff
changeset
|
256 |
561 | 257 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
|
258 |
495 | 259 #if (NGX_STAT_STUB) |
2951
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ignore ngx_atomic_fetch_add() result
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parents:
2723
diff
changeset
|
260 (void) ngx_atomic_fetch_add(ngx_stat_handled, 1); |
495 | 261 #endif |
262 | |
543 | 263 if (ls->addr_ntop) { |
2049 | 264 c->addr_text.data = ngx_pnalloc(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
|
265 if (c->addr_text.data == NULL) { |
543 | 266 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
|
267 return; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
268 } |
577 | 269 |
5263
05ba5bce31e0
Core: extended ngx_sock_ntop() with socklen parameter.
Vladimir Homutov <vl@nginx.com>
parents:
4618
diff
changeset
|
270 c->addr_text.len = ngx_sock_ntop(c->sockaddr, c->socklen, |
05ba5bce31e0
Core: extended ngx_sock_ntop() with socklen parameter.
Vladimir Homutov <vl@nginx.com>
parents:
4618
diff
changeset
|
271 c->addr_text.data, |
2512
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a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2255
diff
changeset
|
272 ls->addr_text_max_len, 0); |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
273 if (c->addr_text.len == 0) { |
543 | 274 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
|
275 return; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
276 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
277 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
278 |
307
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
279 #if (NGX_DEBUG) |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
280 { |
6436 | 281 ngx_str_t addr; |
282 u_char text[NGX_SOCKADDR_STRLEN]; | |
307
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306
diff
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|
283 |
6436 | 284 ngx_debug_accepted_connection(ecf, c); |
307
ce375c313e96
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parents:
306
diff
changeset
|
285 |
5704
524741fd50ed
Core: output client port number when logging accept event.
Ruslan Ermilov <ru@nginx.com>
parents:
5600
diff
changeset
|
286 if (log->log_level & NGX_LOG_DEBUG_EVENT) { |
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Core: output client port number when logging accept event.
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|
287 addr.data = text; |
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288 addr.len = ngx_sock_ntop(c->sockaddr, c->socklen, text, |
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Core: output client port number when logging accept event.
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|
289 NGX_SOCKADDR_STRLEN, 1); |
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Core: output client port number when logging accept event.
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diff
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|
290 |
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Core: output client port number when logging accept event.
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diff
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|
291 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, log, 0, |
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292 "*%uA accept: %V fd:%d", c->number, &addr, s); |
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Core: output client port number when logging accept event.
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|
293 } |
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Core: output client port number when logging accept event.
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|
294 |
307
ce375c313e96
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Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
295 } |
ce375c313e96
nginx-0.0.3-2004-04-08-19:58:25 import
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diff
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|
296 #endif |
ce375c313e96
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parents:
306
diff
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|
297 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
298 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
|
299 if (ngx_add_conn(c) == NGX_ERROR) { |
543 | 300 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
|
301 return; |
64
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
302 } |
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
303 } |
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
304 |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
305 log->data = NULL; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
306 log->handler = NULL; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
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|
307 |
543 | 308 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
|
309 |
455 | 310 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
|
311 ev->available--; |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
312 } |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
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|
313 |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
314 } while (ev->available); |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
315 } |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
316 |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
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|
317 |
493 | 318 ngx_int_t |
319 ngx_trylock_accept_mutex(ngx_cycle_t *cycle) | |
301
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diff
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|
320 { |
611 | 321 if (ngx_shmtx_trylock(&ngx_accept_mutex)) { |
322 | |
301
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290
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|
323 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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diff
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|
324 "accept mutex locked"); |
744965ec6275
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290
diff
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|
325 |
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diff
changeset
|
326 if (ngx_accept_mutex_held && ngx_accept_events == 0) { |
573 | 327 return NGX_OK; |
328 } | |
301
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parents:
290
diff
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|
329 |
573 | 330 if (ngx_enable_accept_events(cycle) == NGX_ERROR) { |
611 | 331 ngx_shmtx_unlock(&ngx_accept_mutex); |
573 | 332 return NGX_ERROR; |
301
744965ec6275
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290
diff
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|
333 } |
744965ec6275
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290
diff
changeset
|
334 |
719
f30b1a75fd3b
Solaris 10 event ports support
Igor Sysoev <igor@sysoev.ru>
parents:
714
diff
changeset
|
335 ngx_accept_events = 0; |
573 | 336 ngx_accept_mutex_held = 1; |
337 | |
301
744965ec6275
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diff
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|
338 return NGX_OK; |
744965ec6275
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parents:
290
diff
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|
339 } |
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290
diff
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|
340 |
719
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Solaris 10 event ports support
Igor Sysoev <igor@sysoev.ru>
parents:
714
diff
changeset
|
341 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
f30b1a75fd3b
Solaris 10 event ports support
Igor Sysoev <igor@sysoev.ru>
parents:
714
diff
changeset
|
342 "accept mutex lock failed: %ui", ngx_accept_mutex_held); |
f30b1a75fd3b
Solaris 10 event ports support
Igor Sysoev <igor@sysoev.ru>
parents:
714
diff
changeset
|
343 |
302
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
301
diff
changeset
|
344 if (ngx_accept_mutex_held) { |
6153
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
345 if (ngx_disable_accept_events(cycle, 0) == NGX_ERROR) { |
301
744965ec6275
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parents:
290
diff
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|
346 return NGX_ERROR; |
744965ec6275
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parents:
290
diff
changeset
|
347 } |
744965ec6275
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parents:
290
diff
changeset
|
348 |
302
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
301
diff
changeset
|
349 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
|
350 } |
744965ec6275
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parents:
290
diff
changeset
|
351 |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
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parents:
290
diff
changeset
|
352 return NGX_OK; |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
353 } |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
354 |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
355 |
7285
88a624c9b491
Events: moved ngx_recvmsg() to new file src/event/ngx_event_udp.c.
Roman Arutyunyan <arut@nginx.com>
parents:
7284
diff
changeset
|
356 ngx_int_t |
493 | 357 ngx_enable_accept_events(ngx_cycle_t *cycle) |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
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parents:
290
diff
changeset
|
358 { |
543 | 359 ngx_uint_t i; |
360 ngx_listening_t *ls; | |
361 ngx_connection_t *c; | |
301
744965ec6275
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parents:
290
diff
changeset
|
362 |
543 | 363 ls = cycle->listening.elts; |
301
744965ec6275
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Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
364 for (i = 0; i < cycle->listening.nelts; i++) { |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
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parents:
290
diff
changeset
|
365 |
543 | 366 c = ls[i].connection; |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
367 |
6153
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
368 if (c == NULL || c->read->active) { |
4618
c05cfc46b3bc
Accept moderation in case of EMFILE/ENFILE.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4613
diff
changeset
|
369 continue; |
c05cfc46b3bc
Accept moderation in case of EMFILE/ENFILE.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4613
diff
changeset
|
370 } |
c05cfc46b3bc
Accept moderation in case of EMFILE/ENFILE.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4613
diff
changeset
|
371 |
6126
adba26ff70b5
Removed the obsolete rtsig module.
Ruslan Ermilov <ru@nginx.com>
parents:
6125
diff
changeset
|
372 if (ngx_add_event(c->read, NGX_READ_EVENT, 0) == NGX_ERROR) { |
adba26ff70b5
Removed the obsolete rtsig module.
Ruslan Ermilov <ru@nginx.com>
parents:
6125
diff
changeset
|
373 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
|
374 } |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
375 } |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
376 |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
377 return NGX_OK; |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
378 } |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
379 |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
380 |
573 | 381 static ngx_int_t |
6153
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
382 ngx_disable_accept_events(ngx_cycle_t *cycle, ngx_uint_t all) |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
383 { |
543 | 384 ngx_uint_t i; |
385 ngx_listening_t *ls; | |
386 ngx_connection_t *c; | |
301
744965ec6275
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Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
387 |
543 | 388 ls = cycle->listening.elts; |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
389 for (i = 0; i < cycle->listening.nelts; i++) { |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
390 |
543 | 391 c = ls[i].connection; |
392 | |
6153
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
393 if (c == NULL || !c->read->active) { |
543 | 394 continue; |
395 } | |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
396 |
6153
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
397 #if (NGX_HAVE_REUSEPORT) |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
398 |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
399 /* |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
400 * do not disable accept on worker's own sockets |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
401 * when disabling accept events due to accept mutex |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
402 */ |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
403 |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
404 if (ls[i].reuseport && !all) { |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
405 continue; |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
406 } |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
407 |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
408 #endif |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6126
diff
changeset
|
409 |
6126
adba26ff70b5
Removed the obsolete rtsig module.
Ruslan Ermilov <ru@nginx.com>
parents:
6125
diff
changeset
|
410 if (ngx_del_event(c->read, NGX_READ_EVENT, NGX_DISABLE_EVENT) |
adba26ff70b5
Removed the obsolete rtsig module.
Ruslan Ermilov <ru@nginx.com>
parents:
6125
diff
changeset
|
411 == NGX_ERROR) |
adba26ff70b5
Removed the obsolete rtsig module.
Ruslan Ermilov <ru@nginx.com>
parents:
6125
diff
changeset
|
412 { |
adba26ff70b5
Removed the obsolete rtsig module.
Ruslan Ermilov <ru@nginx.com>
parents:
6125
diff
changeset
|
413 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
|
414 } |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
415 } |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
416 |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
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417 return NGX_OK; |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
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418 } |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
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419 |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
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420 |
493 | 421 static void |
543 | 422 ngx_close_accepted_connection(ngx_connection_t *c) |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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396
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423 { |
543 | 424 ngx_socket_t fd; |
425 | |
426 ngx_free_connection(c); | |
427 | |
428 fd = c->fd; | |
429 c->fd = (ngx_socket_t) -1; | |
430 | |
7285
88a624c9b491
Events: moved ngx_recvmsg() to new file src/event/ngx_event_udp.c.
Roman Arutyunyan <arut@nginx.com>
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431 if (ngx_close_socket(fd) == -1) { |
543 | 432 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_socket_errno, |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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433 ngx_close_socket_n " failed"); |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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434 } |
495 | 435 |
543 | 436 if (c->pool) { |
437 ngx_destroy_pool(c->pool); | |
438 } | |
439 | |
495 | 440 #if (NGX_STAT_STUB) |
2951
5acd98486a33
ignore ngx_atomic_fetch_add() result
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441 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); |
495 | 442 #endif |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
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443 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
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changeset
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444 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
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445 |
543 | 446 u_char * |
493 | 447 ngx_accept_log_error(ngx_log_t *log, u_char *buf, size_t len) |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
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164
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448 { |
543 | 449 return ngx_snprintf(buf, len, " while accepting new connection on %V", |
450 log->data); | |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
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451 } |
6436 | 452 |
453 | |
454 #if (NGX_DEBUG) | |
455 | |
7285
88a624c9b491
Events: moved ngx_recvmsg() to new file src/event/ngx_event_udp.c.
Roman Arutyunyan <arut@nginx.com>
parents:
7284
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changeset
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456 void |
6436 | 457 ngx_debug_accepted_connection(ngx_event_conf_t *ecf, ngx_connection_t *c) |
458 { | |
459 struct sockaddr_in *sin; | |
460 ngx_cidr_t *cidr; | |
461 ngx_uint_t i; | |
462 #if (NGX_HAVE_INET6) | |
463 struct sockaddr_in6 *sin6; | |
464 ngx_uint_t n; | |
465 #endif | |
466 | |
467 cidr = ecf->debug_connection.elts; | |
468 for (i = 0; i < ecf->debug_connection.nelts; i++) { | |
469 if (cidr[i].family != (ngx_uint_t) c->sockaddr->sa_family) { | |
470 goto next; | |
471 } | |
472 | |
473 switch (cidr[i].family) { | |
474 | |
475 #if (NGX_HAVE_INET6) | |
476 case AF_INET6: | |
477 sin6 = (struct sockaddr_in6 *) c->sockaddr; | |
478 for (n = 0; n < 16; n++) { | |
479 if ((sin6->sin6_addr.s6_addr[n] | |
480 & cidr[i].u.in6.mask.s6_addr[n]) | |
481 != cidr[i].u.in6.addr.s6_addr[n]) | |
482 { | |
483 goto next; | |
484 } | |
485 } | |
486 break; | |
487 #endif | |
488 | |
489 #if (NGX_HAVE_UNIX_DOMAIN) | |
490 case AF_UNIX: | |
491 break; | |
492 #endif | |
493 | |
494 default: /* AF_INET */ | |
495 sin = (struct sockaddr_in *) c->sockaddr; | |
496 if ((sin->sin_addr.s_addr & cidr[i].u.in.mask) | |
497 != cidr[i].u.in.addr) | |
498 { | |
499 goto next; | |
500 } | |
501 break; | |
502 } | |
503 | |
504 c->log->log_level = NGX_LOG_DEBUG_CONNECTION|NGX_LOG_DEBUG_ALL; | |
505 break; | |
506 | |
507 next: | |
508 continue; | |
509 } | |
510 } | |
511 | |
512 #endif |