annotate src/os/unix/ngx_channel.c @ 508:68c0ae0a4959 NGINX_0_7_66

nginx 0.7.66 *) Security: now nginx/Windows ignores default file stream name. Thanks to Jose Antonio Vazquez Gonzalez. *) Change: now the charset filter runs before the SSI filter. *) Change: now no message is written in an error log if a variable is not found by $r->variable() method. *) Change: now keepalive connections after POST requests are not disabled for MSIE 7.0+. Thanks to Adam Lounds. *) Feature: the "proxy_no_cache" and "fastcgi_no_cache" directives. *) Feature: now the "rewrite" directive does a redirect automatically if the $scheme variable is used. Thanks to Piotr Sikora. *) Feature: the "chunked_transfer_encoding" directive. *) Feature: the $geoip_city_continent_code, $geoip_latitude, and $geoip_longitude variables. Thanks to Arvind Sundararajan. *) Feature: now the ngx_http_image_filter_module deletes always EXIF and other application specific data if the data consume more than 5% of a JPEG file. *) Feature: now the "msie_padding" directive works for Chrome too. *) Workaround: now keepalive connections are disabled for Safari. Thanks to Joshua Sierles. *) Bugfix: nginx ignored the "private" and "no-store" values in the "Cache-Control" backend response header line. *) Bugfix: an "&" character was not escaped when it was copied in arguments part in a rewrite rule. *) Bugfix: nginx might be terminated abnormally while a signal processing or if the directive "timer_resolution" was used on platforms which do not support kqueue or eventport notification methods. Thanks to George Xie and Maxim Dounin. *) Bugfix: if temporary files and permanent storage area resided at different file systems, then permanent file modification times were incorrect. Thanks to Maxim Dounin. *) Bugfix: ngx_http_memcached_module might issue the error message "memcached sent invalid trailer". Thanks to Maxim Dounin. *) Bugfix: nginx could not built zlib-1.2.4 library using the library sources. Thanks to Maxim Dounin. *) Bugfix: values of the $query_string, $arg_..., etc. variables cached in main request were used by the SSI module in subrequests. *) Bugfix: nginx did not support HTTPS referrers. *) Bugfix: nginx/Windows might not find file if path in configuration was given in other character case; the bug had appeared in 0.7.65. *) Bugfix: the $date_local variable has an incorrect value, if the "%s" format was used. Thanks to Maxim Dounin. *) Bugfix: nginx did not support all ciphers and digests used in client certificates. Thanks to Innocenty Enikeew. *) Bugfix: if ssl_session_cache was not set or was set to "none", then during client certificate verify the error "session id context uninitialized" might occur; the bug had appeared in 0.7.1. *) Bugfix: OpenSSL-1.0.0 compatibility on 64-bit Linux. Thanks to Maxim Dounin. *) Bugfix: a geo range returned default value if the range included two or more /16 networks and did not begin at /16 network boundary. *) Bugfix: the $uid_got variable might not be used in the SSI and perl modules. *) Bugfix: a worker process hung if a FIFO file was requested. Thanks to Vicente Aguilar and Maxim Dounin. *) Bugfix: a variable value was repeatedly encoded after each an "echo" SSI-command output; the bug had appeared in 0.6.14. *) Bugfix: a "stub" parameter of an "include" SSI directive was not used, if empty response has 200 status code. *) Bugfix: a block used in a "stub" parameter of an "include" SSI directive was output with "text/plain" MIME type. *) Bugfix: if a proxied or FastCGI request was internally redirected to another proxied or FastCGI location, then a segmentation fault might occur in a worker process; the bug had appeared in 0.7.65. Thanks to Yichun Zhang. *) Bugfix: IMAP connections may hang until they timed out while talking to Zimbra server. Thanks to Alan Batie. *) Bugfix: nginx did not support chunked transfer encoding for 201 responses. Thanks to Julian Reich.
author Igor Sysoev <http://sysoev.ru>
date Mon, 07 Jun 2010 00:00:00 +0400
parents babd3d9efb62
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2 /*
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
3 * Copyright (C) Igor Sysoev
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
4 */
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
5
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
6
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
7 #include <ngx_config.h>
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
8 #include <ngx_core.h>
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
9 #include <ngx_channel.h>
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
10
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
11
92
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
12 ngx_int_t
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
13 ngx_write_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size,
126
df17fbafec8f nginx 0.3.10
Igor Sysoev <http://sysoev.ru>
parents: 112
diff changeset
14 ngx_log_t *log)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
15 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
16 ssize_t n;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
17 ngx_err_t err;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
18 struct iovec iov[1];
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
19 struct msghdr msg;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
20
18
6f8b0dc0f8dd nginx 0.1.9
Igor Sysoev <http://sysoev.ru>
parents: 14
diff changeset
21 #if (NGX_HAVE_MSGHDR_MSG_CONTROL)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
22
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
23 union {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
24 struct cmsghdr cm;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
25 char space[CMSG_SPACE(sizeof(int))];
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
26 } cmsg;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
27
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
28 if (ch->fd == -1) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
29 msg.msg_control = NULL;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
30 msg.msg_controllen = 0;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
31
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
32 } else {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
33 msg.msg_control = (caddr_t) &cmsg;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
34 msg.msg_controllen = sizeof(cmsg);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
35
366
babd3d9efb62 nginx 0.6.27
Igor Sysoev <http://sysoev.ru>
parents: 126
diff changeset
36 cmsg.cm.cmsg_len = CMSG_LEN(sizeof(int));
126
df17fbafec8f nginx 0.3.10
Igor Sysoev <http://sysoev.ru>
parents: 112
diff changeset
37 cmsg.cm.cmsg_level = SOL_SOCKET;
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
38 cmsg.cm.cmsg_type = SCM_RIGHTS;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
39 *(int *) CMSG_DATA(&cmsg.cm) = ch->fd;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
40 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
41
32
da8c190bdaba nginx 0.1.16
Igor Sysoev <http://sysoev.ru>
parents: 30
diff changeset
42 msg.msg_flags = 0;
da8c190bdaba nginx 0.1.16
Igor Sysoev <http://sysoev.ru>
parents: 30
diff changeset
43
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
44 #else
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
45
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
46 if (ch->fd == -1) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
47 msg.msg_accrights = NULL;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
48 msg.msg_accrightslen = 0;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
49
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
50 } else {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
51 msg.msg_accrights = (caddr_t) &ch->fd;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
52 msg.msg_accrightslen = sizeof(int);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
53 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
54
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
55 #endif
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
56
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
57 iov[0].iov_base = (char *) ch;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
58 iov[0].iov_len = size;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
59
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
60 msg.msg_name = NULL;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
61 msg.msg_namelen = 0;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
62 msg.msg_iov = iov;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
63 msg.msg_iovlen = 1;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
64
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
65 n = sendmsg(s, &msg, 0);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
66
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
67 if (n == -1) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
68 err = ngx_errno;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
69 if (err == NGX_EAGAIN) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
70 return NGX_AGAIN;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
71 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
72
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
73 ngx_log_error(NGX_LOG_ALERT, log, err, "sendmsg() failed");
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
74 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
75 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
76
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
77 return NGX_OK;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
78 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
79
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
80
92
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
81 ngx_int_t
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
82 ngx_read_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size, ngx_log_t *log)
126
df17fbafec8f nginx 0.3.10
Igor Sysoev <http://sysoev.ru>
parents: 112
diff changeset
83 {
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
84 ssize_t n;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
85 ngx_err_t err;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
86 struct iovec iov[1];
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
87 struct msghdr msg;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
88
18
6f8b0dc0f8dd nginx 0.1.9
Igor Sysoev <http://sysoev.ru>
parents: 14
diff changeset
89 #if (NGX_HAVE_MSGHDR_MSG_CONTROL)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
90 union {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
91 struct cmsghdr cm;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
92 char space[CMSG_SPACE(sizeof(int))];
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
93 } cmsg;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
94 #else
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
95 int fd;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
96 #endif
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
97
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
98 iov[0].iov_base = (char *) ch;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
99 iov[0].iov_len = size;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
100
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
101 msg.msg_name = NULL;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
102 msg.msg_namelen = 0;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
103 msg.msg_iov = iov;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
104 msg.msg_iovlen = 1;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
105
18
6f8b0dc0f8dd nginx 0.1.9
Igor Sysoev <http://sysoev.ru>
parents: 14
diff changeset
106 #if (NGX_HAVE_MSGHDR_MSG_CONTROL)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
107 msg.msg_control = (caddr_t) &cmsg;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
108 msg.msg_controllen = sizeof(cmsg);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
109 #else
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
110 msg.msg_accrights = (caddr_t) &fd;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
111 msg.msg_accrightslen = sizeof(int);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
112 #endif
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
113
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
114 n = recvmsg(s, &msg, 0);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
115
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
116 if (n == -1) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
117 err = ngx_errno;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
118 if (err == NGX_EAGAIN) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
119 return NGX_AGAIN;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
120 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
121
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
122 ngx_log_error(NGX_LOG_ALERT, log, err, "recvmsg() failed");
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
123 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
124 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
125
10
46833bd150cb nginx 0.1.5
Igor Sysoev <http://sysoev.ru>
parents: 0
diff changeset
126 if (n == 0) {
46833bd150cb nginx 0.1.5
Igor Sysoev <http://sysoev.ru>
parents: 0
diff changeset
127 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "recvmsg() returned zero");
46833bd150cb nginx 0.1.5
Igor Sysoev <http://sysoev.ru>
parents: 0
diff changeset
128 return NGX_ERROR;
46833bd150cb nginx 0.1.5
Igor Sysoev <http://sysoev.ru>
parents: 0
diff changeset
129 }
46833bd150cb nginx 0.1.5
Igor Sysoev <http://sysoev.ru>
parents: 0
diff changeset
130
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
131 if ((size_t) n < sizeof(ngx_channel_t)) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
132 ngx_log_error(NGX_LOG_ALERT, log, 0,
10
46833bd150cb nginx 0.1.5
Igor Sysoev <http://sysoev.ru>
parents: 0
diff changeset
133 "recvmsg() returned not enough data: %uz", n);
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
134 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
135 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
136
18
6f8b0dc0f8dd nginx 0.1.9
Igor Sysoev <http://sysoev.ru>
parents: 14
diff changeset
137 #if (NGX_HAVE_MSGHDR_MSG_CONTROL)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
138
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
139 if (ch->command == NGX_CMD_OPEN_CHANNEL) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
140
366
babd3d9efb62 nginx 0.6.27
Igor Sysoev <http://sysoev.ru>
parents: 126
diff changeset
141 if (cmsg.cm.cmsg_len < (socklen_t) CMSG_LEN(sizeof(int))) {
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
142 ngx_log_error(NGX_LOG_ALERT, log, 0,
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
143 "recvmsg() returned too small ancillary data");
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
144 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
145 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
146
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
147 if (cmsg.cm.cmsg_level != SOL_SOCKET || cmsg.cm.cmsg_type != SCM_RIGHTS)
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
148 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
149 ngx_log_error(NGX_LOG_ALERT, log, 0,
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
150 "recvmsg() returned invalid ancillary data "
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
151 "level %d or type %d",
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
152 cmsg.cm.cmsg_level, cmsg.cm.cmsg_type);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
153 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
154 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
155
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
156 ch->fd = *(int *) CMSG_DATA(&cmsg.cm);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
157 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
158
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
159 if (msg.msg_flags & (MSG_TRUNC|MSG_CTRUNC)) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
160 ngx_log_error(NGX_LOG_ALERT, log, 0,
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
161 "recvmsg() truncated data");
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
162 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
163
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
164 #else
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
165
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
166 if (ch->command == NGX_CMD_OPEN_CHANNEL) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
167 if (msg.msg_accrightslen != sizeof(int)) {
126
df17fbafec8f nginx 0.3.10
Igor Sysoev <http://sysoev.ru>
parents: 112
diff changeset
168 ngx_log_error(NGX_LOG_ALERT, log, 0,
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
169 "recvmsg() returned no ancillary data");
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
170 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
171 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
172
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
173 ch->fd = fd;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
174 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
175
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
176 #endif
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
177
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
178 return n;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
179 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
180
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
181
92
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
182 ngx_int_t
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
183 ngx_add_channel_event(ngx_cycle_t *cycle, ngx_fd_t fd, ngx_int_t event,
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
184 ngx_event_handler_pt handler)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
185 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
186 ngx_event_t *ev, *rev, *wev;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
187 ngx_connection_t *c;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
188
92
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
189 c = ngx_get_connection(fd, cycle->log);
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
190
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
191 if (c == NULL) {
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
192 return NGX_ERROR;
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
193 }
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
194
110
dad2fe8ecf08 nginx 0.3.2
Igor Sysoev <http://sysoev.ru>
parents: 92
diff changeset
195 c->pool = cycle->pool;
dad2fe8ecf08 nginx 0.3.2
Igor Sysoev <http://sysoev.ru>
parents: 92
diff changeset
196
92
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
197 rev = c->read;
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
198 wev = c->write;
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
199
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
200 rev->log = cycle->log;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
201 wev->log = cycle->log;
92
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
202
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
203 #if (NGX_THREADS)
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
204 rev->lock = &c->lock;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
205 wev->lock = &c->lock;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
206 rev->own_lock = &c->lock;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
207 wev->own_lock = &c->lock;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
208 #endif
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
209
112
408f195b3482 nginx 0.3.3
Igor Sysoev <http://sysoev.ru>
parents: 110
diff changeset
210 rev->channel = 1;
408f195b3482 nginx 0.3.3
Igor Sysoev <http://sysoev.ru>
parents: 110
diff changeset
211 wev->channel = 1;
408f195b3482 nginx 0.3.3
Igor Sysoev <http://sysoev.ru>
parents: 110
diff changeset
212
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
213 ev = (event == NGX_READ_EVENT) ? rev : wev;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
214
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 32
diff changeset
215 ev->handler = handler;
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
216
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
217 if (ngx_add_conn && (ngx_event_flags & NGX_USE_EPOLL_EVENT) == 0) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
218 if (ngx_add_conn(c) == NGX_ERROR) {
92
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
219 ngx_free_connection(c);
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
220 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
221 }
126
df17fbafec8f nginx 0.3.10
Igor Sysoev <http://sysoev.ru>
parents: 112
diff changeset
222
df17fbafec8f nginx 0.3.10
Igor Sysoev <http://sysoev.ru>
parents: 112
diff changeset
223 } else {
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
224 if (ngx_add_event(ev, event, 0) == NGX_ERROR) {
92
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
225 ngx_free_connection(c);
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
226 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
227 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
228 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
229
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
230 return NGX_OK;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
231 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
232
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
233
92
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
234 void
45945fa8b8ba nginx 0.2.0
Igor Sysoev <http://sysoev.ru>
parents: 58
diff changeset
235 ngx_close_channel(ngx_fd_t *fd, ngx_log_t *log)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
236 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
237 if (close(fd[0]) == -1) {
14
8a529698ed55 nginx 0.1.7
Igor Sysoev <http://sysoev.ru>
parents: 10
diff changeset
238 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "close() channel failed");
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
239 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
240
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
241 if (close(fd[1]) == -1) {
14
8a529698ed55 nginx 0.1.7
Igor Sysoev <http://sysoev.ru>
parents: 10
diff changeset
242 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "close() channel failed");
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
243 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
244 }