annotate src/event/ngx_event_accept.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 0d75d65c642f
children b31656313b59
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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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5
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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 #include <ngx_event.h>
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10
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12 static void ngx_close_accepted_socket(ngx_socket_t s, ngx_log_t *log);
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13 static u_char *ngx_accept_log_error(ngx_log_t *log, u_char *buf, size_t len);
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16 void
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17 ngx_event_accept(ngx_event_t *ev)
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18 {
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19 ngx_uint_t instance;
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20 #if 0
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21 ngx_uint_t accepted;
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22 #endif
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23 socklen_t len;
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24 struct sockaddr *sa;
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25 ngx_err_t err;
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26 ngx_log_t *log;
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27 ngx_pool_t *pool;
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28 ngx_socket_t s;
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29 ngx_event_t *rev, *wev;
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30 ngx_connection_t *c, *ls;
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31 ngx_event_conf_t *ecf;
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33 ecf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_event_core_module);
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34
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35 if (ngx_event_flags & NGX_USE_RTSIG_EVENT) {
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36 ev->available = 1;
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38 } else if (!(ngx_event_flags & NGX_USE_KQUEUE_EVENT)) {
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39 ev->available = ecf->multi_accept;
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40 }
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41
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42 ls = ev->data;
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43
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44 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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45 "accept on %V, ready: %d",
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46 &ls->listening->addr_text, ev->available);
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47
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48 ev->ready = 0;
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49 pool = NULL;
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50 #if 0
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51 accepted = 0;
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52 #endif
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53
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54 do {
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55
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56 if (pool == NULL) {
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57
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58 /*
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59 * Create the pool before accept() to avoid the copying of
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60 * the sockaddr. Although accept() can fail it is uncommon
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61 * case and besides the pool can be got from the free pool list.
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62 */
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63
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64 pool = ngx_create_pool(ls->listening->pool_size, ev->log);
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65 if (pool == NULL) {
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66 return;
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67 }
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68 }
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70 sa = ngx_palloc(pool, ls->listening->socklen);
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71 if (sa == NULL) {
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72 ngx_destroy_pool(pool);
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73 return;
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74 }
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75
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76 log = ngx_palloc(pool, sizeof(ngx_log_t));
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77 if (log == NULL) {
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78 ngx_destroy_pool(pool);
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79 return;
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80 }
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81
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82 ngx_memcpy(log, ls->log, sizeof(ngx_log_t));
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83 pool->log = log;
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84
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85 log->data = &ls->listening->addr_text;
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86 log->handler = ngx_accept_log_error;
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87
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88 len = ls->listening->socklen;
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89
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90 s = accept(ls->fd, sa, &len);
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91
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92 if (s == -1) {
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93 err = ngx_socket_errno;
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94
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95 if (err == NGX_EAGAIN) {
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96 #if 0
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97 if (!(ngx_event_flags & NGX_USE_RTSIG_EVENT))
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98 {
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99 ngx_log_error(NGX_LOG_NOTICE, log, err,
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100 "EAGAIN after %d accepted connection(s)",
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101 accepted);
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102 }
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103 #endif
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104
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105 ngx_destroy_pool(pool);
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106 return;
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107 }
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108
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109 ngx_log_error((err == NGX_ECONNABORTED) ? NGX_LOG_CRIT:
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110 NGX_LOG_ALERT,
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111 ev->log, err,
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112 "accept() on %V failed", &ls->listening->addr_text);
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113
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114 if (err == NGX_ECONNABORTED) {
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115 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
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116 ev->available--;
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117 }
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118
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119 if (ev->available) {
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120 /* reuse the previously allocated pool */
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121 continue;
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122 }
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123 }
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124
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125 ngx_destroy_pool(pool);
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126 return;
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127 }
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128
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129 #if (NGX_STAT_STUB)
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130 ngx_atomic_inc(ngx_stat_accepted);
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131 ngx_atomic_inc(ngx_stat_active);
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132 #endif
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133
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134 ngx_accept_disabled = (ngx_uint_t) s + NGX_ACCEPT_THRESHOLD
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135 - ecf->connections;
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136
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137 /* disable warning: Win32 SOCKET is u_int while UNIX socket is int */
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138
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139 if ((ngx_uint_t) s >= ecf->connections) {
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140
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141 ngx_log_error(NGX_LOG_ALERT, ev->log, 0,
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142 "accept() on %V returned socket #%d while "
0
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143 "only %d connections was configured, "
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144 "closing the connection",
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145 &ls->listening->addr_text, s, ecf->connections);
0
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146
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147 ngx_close_accepted_socket(s, log);
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148 ngx_destroy_pool(pool);
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149 return;
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150 }
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151
36
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152 /* set a blocking mode for aio and non-blocking mode for others */
0
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153
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154 if (ngx_inherited_nonblocking) {
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155 if ((ngx_event_flags & NGX_USE_AIO_EVENT)) {
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156 if (ngx_blocking(s) == -1) {
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157 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
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158 ngx_blocking_n " failed");
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159
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160 ngx_close_accepted_socket(s, log);
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161 ngx_destroy_pool(pool);
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162 return;
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163 }
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164 }
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165
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166 } else {
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167 if (!(ngx_event_flags & (NGX_USE_AIO_EVENT|NGX_USE_RTSIG_EVENT))) {
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168 if (ngx_nonblocking(s) == -1) {
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169 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
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170 ngx_nonblocking_n " failed");
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171
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172 ngx_close_accepted_socket(s, log);
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173 ngx_destroy_pool(pool);
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174 return;
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diff changeset
175 }
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176 }
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177 }
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178
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179 #if (NGX_WIN32)
0
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180 /*
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181 * Winsock assignes a socket number divisible by 4
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182 * so to find a connection we divide a socket number by 4.
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183 */
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184
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185 if (s % 4) {
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186 ngx_log_error(NGX_LOG_EMERG, ev->log, 0,
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187 "accept() on %V returned socket #%d, "
0
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188 "not divisible by 4",
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189 &ls->listening->addr_text, s);
0
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190 exit(1);
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191 }
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192
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193 c = &ngx_cycle->connections[s / 4];
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194 rev = &ngx_cycle->read_events[s / 4];
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195 wev = &ngx_cycle->write_events[s / 4];
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196 #else
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197 c = &ngx_cycle->connections[s];
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198 rev = &ngx_cycle->read_events[s];
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199 wev = &ngx_cycle->write_events[s];
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200 #endif
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201
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202 instance = rev->instance;
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203
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204 #if (NGX_THREADS)
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205
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206 if (*(&c->lock)) {
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207 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0,
52
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208 "spinlock in accept, fd:%d", s);
0
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209 ngx_spinlock(&c->lock, 1000);
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210 ngx_unlock(&c->lock);
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211 }
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212
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213 #endif
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214
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215 ngx_memzero(rev, sizeof(ngx_event_t));
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216 ngx_memzero(wev, sizeof(ngx_event_t));
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217 ngx_memzero(c, sizeof(ngx_connection_t));
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218
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219 c->pool = pool;
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220
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221 c->listening = ls->listening;
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222 c->sockaddr = sa;
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223 c->socklen = len;
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224
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225 rev->instance = !instance;
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226 wev->instance = !instance;
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diff changeset
227
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228 rev->index = NGX_INVALID_INDEX;
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229 wev->index = NGX_INVALID_INDEX;
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230
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diff changeset
231 rev->data = c;
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diff changeset
232 wev->data = c;
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233
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diff changeset
234 c->read = rev;
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diff changeset
235 c->write = wev;
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diff changeset
236
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diff changeset
237 c->fd = s;
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diff changeset
238 c->unexpected_eof = 1;
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239
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diff changeset
240 wev->write = 1;
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diff changeset
241 wev->ready = 1;
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242
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diff changeset
243 if (ngx_event_flags & (NGX_USE_AIO_EVENT|NGX_USE_RTSIG_EVENT)) {
42
41ccba1aba45 nginx 0.1.21
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diff changeset
244 /* rtsig, aio, iocp */
0
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diff changeset
245 rev->ready = 1;
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diff changeset
246 }
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diff changeset
247
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diff changeset
248 if (ev->deferred_accept) {
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249 rev->ready = 1;
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diff changeset
250 }
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diff changeset
251
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diff changeset
252 c->ctx = ls->ctx;
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diff changeset
253 c->servers = ls->servers;
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diff changeset
254
f0b350454894 nginx 0.1.0
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diff changeset
255 c->recv = ngx_recv;
f0b350454894 nginx 0.1.0
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parents:
diff changeset
256 c->send_chain = ngx_send_chain;
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diff changeset
257
f0b350454894 nginx 0.1.0
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diff changeset
258 c->log = log;
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diff changeset
259 rev->log = log;
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parents:
diff changeset
260 wev->log = log;
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parents:
diff changeset
261
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parents:
diff changeset
262 /*
f0b350454894 nginx 0.1.0
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parents:
diff changeset
263 * TODO: MT: - atomic increment (x86: lock xadd)
f0b350454894 nginx 0.1.0
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parents:
diff changeset
264 * or protection by critical section or light mutex
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parents:
diff changeset
265 *
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parents:
diff changeset
266 * TODO: MP: - allocated in a shared memory
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parents:
diff changeset
267 * - atomic increment (x86: lock xadd)
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parents:
diff changeset
268 * or protection by critical section or light mutex
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parents:
diff changeset
269 */
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diff changeset
270
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diff changeset
271 c->number = ngx_atomic_inc(ngx_connection_counter);
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diff changeset
272
44
4989c3d25945 nginx 0.1.22
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diff changeset
273 #if (NGX_STAT_STUB)
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diff changeset
274 ngx_atomic_inc(ngx_stat_handled);
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parents: 42
diff changeset
275 #endif
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parents: 42
diff changeset
276
0
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parents:
diff changeset
277 #if (NGX_THREADS)
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diff changeset
278 rev->lock = &c->lock;
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diff changeset
279 wev->lock = &c->lock;
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diff changeset
280 rev->own_lock = &c->lock;
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diff changeset
281 wev->own_lock = &c->lock;
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parents:
diff changeset
282 #endif
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parents:
diff changeset
283
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diff changeset
284 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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parents:
diff changeset
285 "accept: fd:%d c:%d", s, c->number);
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parents:
diff changeset
286
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parents:
diff changeset
287 if (c->listening->addr_ntop) {
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diff changeset
288 c->addr_text.data = ngx_palloc(c->pool,
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diff changeset
289 c->listening->addr_text_max_len);
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parents:
diff changeset
290 if (c->addr_text.data == NULL) {
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diff changeset
291 ngx_close_accepted_socket(s, log);
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parents:
diff changeset
292 ngx_destroy_pool(pool);
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parents:
diff changeset
293 return;
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parents:
diff changeset
294 }
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parents:
diff changeset
295
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parents:
diff changeset
296 c->addr_text.len = ngx_sock_ntop(c->listening->family, c->sockaddr,
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parents:
diff changeset
297 c->addr_text.data,
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
298 c->listening->addr_text_max_len);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
299 if (c->addr_text.len == 0) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
300 ngx_close_accepted_socket(s, log);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
301 ngx_destroy_pool(pool);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
302 return;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
303 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
304 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
305
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
306 #if (NGX_DEBUG)
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
307 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
308
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
309 uint32_t *addr;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
310 in_addr_t i;
28
7ca9bdc82b3f nginx 0.1.14
Igor Sysoev <http://sysoev.ru>
parents: 26
diff changeset
311 struct sockaddr_in *sin;
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
312
28
7ca9bdc82b3f nginx 0.1.14
Igor Sysoev <http://sysoev.ru>
parents: 26
diff changeset
313 sin = (struct sockaddr_in *) sa;
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
314 addr = ecf->debug_connection.elts;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
315 for (i = 0; i < ecf->debug_connection.nelts; i++) {
28
7ca9bdc82b3f nginx 0.1.14
Igor Sysoev <http://sysoev.ru>
parents: 26
diff changeset
316 if (addr[i] == sin->sin_addr.s_addr) {
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
317 log->log_level = NGX_LOG_DEBUG_CONNECTION|NGX_LOG_DEBUG_ALL;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
318 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
319 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
320 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
321
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
322 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
323 #endif
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
324
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
325 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
326 if (ngx_add_conn(c) == NGX_ERROR) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
327 ngx_close_accepted_socket(s, log);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
328 ngx_destroy_pool(pool);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
329 return;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
330 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
331 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
332
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
333 pool = NULL;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
334
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
335 log->data = NULL;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
336 log->handler = NULL;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
337
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
338 ls->listening->handler(c);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
339
4
4b2dafa26fe2 nginx 0.1.2
Igor Sysoev <http://sysoev.ru>
parents: 0
diff changeset
340 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
341 ev->available--;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
342 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
343
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents: 44
diff changeset
344 #if 0
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
345 accepted++;
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents: 44
diff changeset
346 #endif
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
347
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
348 } while (ev->available);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
349 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
350
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
351
42
41ccba1aba45 nginx 0.1.21
Igor Sysoev <http://sysoev.ru>
parents: 36
diff changeset
352 ngx_int_t
41ccba1aba45 nginx 0.1.21
Igor Sysoev <http://sysoev.ru>
parents: 36
diff changeset
353 ngx_trylock_accept_mutex(ngx_cycle_t *cycle)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
354 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
355 if (*ngx_accept_mutex == 0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
356 && ngx_atomic_cmp_set(ngx_accept_mutex, 0, ngx_pid))
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
357 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
358 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
359 "accept mutex locked");
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
360
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
361 if (!ngx_accept_mutex_held) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
362 if (ngx_enable_accept_events(cycle) == NGX_ERROR) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
363 *ngx_accept_mutex = 0;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
364 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
365 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
366
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
367 ngx_accept_mutex_held = 1;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
368 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
369
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
370 return NGX_OK;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
371 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
372
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
373 if (ngx_accept_mutex_held) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
374 if (ngx_disable_accept_events(cycle) == NGX_ERROR) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
375 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
376 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
377
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
378 ngx_accept_mutex_held = 0;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
379 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
380
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
381 return NGX_OK;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
382 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
383
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
384
42
41ccba1aba45 nginx 0.1.21
Igor Sysoev <http://sysoev.ru>
parents: 36
diff changeset
385 ngx_int_t
41ccba1aba45 nginx 0.1.21
Igor Sysoev <http://sysoev.ru>
parents: 36
diff changeset
386 ngx_enable_accept_events(ngx_cycle_t *cycle)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
387 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
388 ngx_uint_t i;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
389 ngx_listening_t *s;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
390
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
391 s = cycle->listening.elts;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
392 for (i = 0; i < cycle->listening.nelts; i++) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
393
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
394 /*
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
395 * we do not need to handle the Winsock sockets here (divide a socket
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
396 * number by 4) because this function would never called
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
397 * in the Winsock environment
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
398 */
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
399
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
400 if (ngx_event_flags & NGX_USE_RTSIG_EVENT) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
401 if (ngx_add_conn(&cycle->connections[s[i].fd]) == NGX_ERROR) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
402 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
403 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
404
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
405 } else {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
406 if (ngx_add_event(&cycle->read_events[s[i].fd], NGX_READ_EVENT, 0)
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
407 == NGX_ERROR)
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
408 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
409 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
410 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
411 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
412 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
413
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
414 return NGX_OK;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
415 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
416
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
417
42
41ccba1aba45 nginx 0.1.21
Igor Sysoev <http://sysoev.ru>
parents: 36
diff changeset
418 ngx_int_t
41ccba1aba45 nginx 0.1.21
Igor Sysoev <http://sysoev.ru>
parents: 36
diff changeset
419 ngx_disable_accept_events(ngx_cycle_t *cycle)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
420 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
421 ngx_uint_t i;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
422 ngx_listening_t *s;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
423
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
424 s = cycle->listening.elts;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
425 for (i = 0; i < cycle->listening.nelts; i++) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
426
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
427 /*
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
428 * we do not need to handle the Winsock sockets here (divide a socket
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
429 * number by 4) because this function would never called
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
430 * in the Winsock environment
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
431 */
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
432
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
433 if (ngx_event_flags & NGX_USE_RTSIG_EVENT) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
434 if (!cycle->connections[s[i].fd].read->active) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
435 continue;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
436 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
437
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
438 if (ngx_del_conn(&cycle->connections[s[i].fd], NGX_DISABLE_EVENT)
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
439 == NGX_ERROR)
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
440 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
441 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
442 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
443
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
444 } else {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
445 if (!cycle->read_events[s[i].fd].active) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
446 continue;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
447 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
448
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
449 if (ngx_del_event(&cycle->read_events[s[i].fd], NGX_READ_EVENT,
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
450 NGX_DISABLE_EVENT) == NGX_ERROR)
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
451 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
452 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
453 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
454 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
455 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
456
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
457 return NGX_OK;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
458 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
459
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
460
42
41ccba1aba45 nginx 0.1.21
Igor Sysoev <http://sysoev.ru>
parents: 36
diff changeset
461 static void
41ccba1aba45 nginx 0.1.21
Igor Sysoev <http://sysoev.ru>
parents: 36
diff changeset
462 ngx_close_accepted_socket(ngx_socket_t s, ngx_log_t *log)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
463 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
464 if (ngx_close_socket(s) == -1) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
465 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
466 ngx_close_socket_n " failed");
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
467 }
44
4989c3d25945 nginx 0.1.22
Igor Sysoev <http://sysoev.ru>
parents: 42
diff changeset
468
4989c3d25945 nginx 0.1.22
Igor Sysoev <http://sysoev.ru>
parents: 42
diff changeset
469 #if (NGX_STAT_STUB)
4989c3d25945 nginx 0.1.22
Igor Sysoev <http://sysoev.ru>
parents: 42
diff changeset
470 ngx_atomic_dec(ngx_stat_active);
4989c3d25945 nginx 0.1.22
Igor Sysoev <http://sysoev.ru>
parents: 42
diff changeset
471 #endif
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
472 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
473
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
474
42
41ccba1aba45 nginx 0.1.21
Igor Sysoev <http://sysoev.ru>
parents: 36
diff changeset
475 static u_char *
41ccba1aba45 nginx 0.1.21
Igor Sysoev <http://sysoev.ru>
parents: 36
diff changeset
476 ngx_accept_log_error(ngx_log_t *log, u_char *buf, size_t len)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
477 {
32
da8c190bdaba nginx 0.1.16
Igor Sysoev <http://sysoev.ru>
parents: 28
diff changeset
478 return ngx_snprintf(buf, len, " while accept() on %V", log->data);
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
479 }