annotate src/os/unix/ngx_socket.c @ 58:b55cbf18157e NGINX_0_1_29

nginx 0.1.29 *) Feature: the ngx_http_ssi_module supports "include virtual" command. *) Feature: the ngx_http_ssi_module supports the condition command like 'if expr="$NAME"' and "else" and "endif" commands. Only one nested level is supported. *) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and DATE_GMT variables and "config timefmt" command. *) Feature: the "ssi_ignore_recycled_buffers" directive. *) Bugfix: the "echo" command did not show the default value for the empty QUERY_STRING variable. *) Change: the ngx_http_proxy_module was rewritten. *) Feature: the "proxy_redirect", "proxy_pass_request_headers", "proxy_pass_request_body", and "proxy_method" directives. *) Feature: the "proxy_set_header" directive. The "proxy_x_var" was canceled and must be replaced with the proxy_set_header directive. *) Change: the "proxy_preserve_host" is canceled and must be replaced with the "proxy_set_header Host $host" and the "proxy_redirect off" directives, the "proxy_set_header Host $host:$proxy_port" directive and the appropriate proxy_redirect directives. *) Change: the "proxy_set_x_real_ip" is canceled and must be replaced with the "proxy_set_header X-Real-IP $remote_addr" directive. *) Change: the "proxy_add_x_forwarded_for" is canceled and must be replaced with the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for" directive. *) Change: the "proxy_set_x_url" is canceled and must be replaced with the "proxy_set_header X-URL http://$host:$server_port$request_uri" directive. *) Feature: the "fastcgi_param" directive. *) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params" directive are canceled and must be replaced with the fastcgi_param directives. *) Feature: the "index" directive can use the variables. *) Feature: the "index" directive can be used at http and server levels. *) Change: the last index only in the "index" directive can be absolute. *) Feature: the "rewrite" directive can use the variables. *) Feature: the "internal" directive. *) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR, SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME, REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables. *) Change: nginx now passes the invalid lines in a client request headers or a backend response header. *) Bugfix: if the backend did not transfer response for a long time and the "send_timeout" was less than "proxy_read_timeout", then nginx returned the 408 response. *) Bugfix: the segmentation fault was occurred if the backend sent an invalid line in response header; bug appeared in 0.1.26. *) Bugfix: the segmentation fault may occurred in FastCGI fault tolerance configuration. *) Bugfix: the "expires" directive did not remove the previous "Expires" and "Cache-Control" headers. *) Bugfix: nginx did not take into account trailing dot in "Host" header line. *) Bugfix: the ngx_http_auth_module did not work under Linux. *) Bugfix: the rewrite directive worked incorrectly, if the arguments were in a request. *) Bugfix: nginx could not be built on MacOS X.
author Igor Sysoev <http://sysoev.ru>
date Thu, 12 May 2005 00:00:00 +0400
parents 72eb30262aac
children 408f195b3482
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9
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11 /*
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12 * ioctl(FIONBIO) sets a blocking mode with the single syscall
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13 * while fcntl(F_SETFL, ~O_NONBLOCK) needs to learn before
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14 * the previous state using fcntl(F_GETFL).
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15 *
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16 * ioctl() and fcntl() are syscalls on at least FreeBSD 2.x, Linux 2.2
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17 * and Solaris 7.
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18 *
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19 * ioctl() in Linux 2.4 and 2.6 uses BKL, however, fcntl(F_SETFL) uses it too.
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20 */
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23 #if (NGX_HAVE_FIONBIO)
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25 int
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26 ngx_nonblocking(ngx_socket_t s)
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27 {
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28 u_long nb;
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30 nb = 1;
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32 return ioctl(s, FIONBIO, &nb);
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33 }
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36 int
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37 ngx_blocking(ngx_socket_t s)
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38 {
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39 u_long nb;
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40
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41 nb = 0;
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42
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43 return ioctl(s, FIONBIO, &nb);
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44 }
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45
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46 #endif
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49 #if (NGX_FREEBSD)
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51 int
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52 ngx_tcp_nopush(ngx_socket_t s)
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53 {
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54 int tcp_nopush;
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55
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56 tcp_nopush = 1;
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57
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58 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
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59 (const void *) &tcp_nopush, sizeof(int));
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60 }
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63 int
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64 ngx_tcp_push(ngx_socket_t s)
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65 {
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66 int tcp_nopush;
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67
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68 tcp_nopush = 0;
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69
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70 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
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71 (const void *) &tcp_nopush, sizeof(int));
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72 }
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74 #elif (NGX_LINUX)
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76 int
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77 ngx_tcp_nopush(ngx_socket_t s)
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78 {
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79 int cork;
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81 cork = 1;
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82
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83 return setsockopt(s, IPPROTO_TCP, TCP_CORK,
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84 (const void *) &cork, sizeof(int));
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85 }
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87 int
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88 ngx_tcp_push(ngx_socket_t s)
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89 {
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90 int cork;
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92 cork = 0;
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93
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94 return setsockopt(s, IPPROTO_TCP, TCP_CORK,
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95 (const void *) &cork, sizeof(int));
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96 }
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97
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98 #else
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100 int
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101 ngx_tcp_nopush(ngx_socket_t s)
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102 {
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103 return 0;
0
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104 }
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106 int
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107 ngx_tcp_push(ngx_socket_t s)
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108 {
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109 return 0;
0
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110 }
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111
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112 #endif