Mercurial > hg > nginx-quic
annotate src/event/ngx_event_acceptex.c @ 647:95d7da23ea53 release-0.3.45
nginx-0.3.45-RELEASE import
*) Feature: the "ssl_verify_client", "ssl_verify_depth", and
"ssl_client_certificate" directives.
*) Change: the $request_method variable now returns the main request
method.
*) Change: the ° symbol codes were changed in koi-win conversion
table.
*) Feature: the euro and N symbols were added to koi-win conversion
table.
*) Bugfix: if nginx distributed the requests among several backends and
some backend failed, then requests intended for this backend was
directed to one live backend only instead of being distributed among
the rest.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Sat, 06 May 2006 16:28:56 +0000 |
| parents | 5e8fb59c18c1 |
| children | 74b2a52bc3c9 |
| rev | line source |
|---|---|
|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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11 |
| 543 | 12 static void ngx_close_posted_connection(ngx_connection_t *c); |
| 13 | |
| 14 | |
| 15 void | |
| 16 ngx_event_acceptex(ngx_event_t *rev) | |
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17 { |
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18 ngx_connection_t *c; |
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19 |
| 461 | 20 c = rev->data; |
| 21 | |
| 543 | 22 c->log->handler = ngx_accept_log_error; |
| 23 | |
| 461 | 24 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "AcceptEx: %d", c->fd); |
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25 |
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26 if (rev->ovlp.error) { |
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27 ngx_log_error(NGX_LOG_CRIT, c->log, rev->ovlp.error, |
| 461 | 28 "AcceptEx() %V failed", &c->listening->addr_text); |
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29 return; |
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30 } |
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31 |
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32 /* SO_UPDATE_ACCEPT_CONTEXT is required for shutdown() to work */ |
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33 |
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34 if (setsockopt(c->fd, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT, |
| 461 | 35 (char *) &c->listening->fd, sizeof(ngx_socket_t)) == -1) |
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36 { |
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37 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, |
| 461 | 38 "setsockopt(SO_UPDATE_ACCEPT_CONTEXT) failed for %V", |
| 39 &c->addr_text); | |
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40 } else { |
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41 c->accept_context_updated = 1; |
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42 } |
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43 |
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44 getacceptexsockaddrs(c->buffer->pos, c->listening->post_accept_buffer_size, |
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45 c->listening->socklen + 16, |
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46 c->listening->socklen + 16, |
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47 &c->local_sockaddr, &c->local_socklen, |
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48 &c->sockaddr, &c->socklen); |
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49 |
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50 if (c->listening->post_accept_buffer_size) { |
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51 c->buffer->last += rev->available; |
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52 c->buffer->end = c->buffer->start |
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53 + c->listening->post_accept_buffer_size; |
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54 |
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55 } else { |
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56 c->buffer = NULL; |
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57 } |
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58 |
| 461 | 59 if (c->listening->addr_ntop) { |
| 60 c->addr_text.data = ngx_palloc(c->pool, | |
| 61 c->listening->addr_text_max_len); | |
| 62 if (c->addr_text.data == NULL) { | |
| 63 /* TODO: close socket */ | |
| 64 return; | |
| 65 } | |
| 66 | |
| 67 c->addr_text.len = ngx_sock_ntop(c->listening->family, c->sockaddr, | |
| 68 c->addr_text.data, | |
| 69 c->listening->addr_text_max_len); | |
| 70 if (c->addr_text.len == 0) { | |
| 71 /* TODO: close socket */ | |
| 72 return; | |
| 73 } | |
| 74 } | |
| 75 | |
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76 ngx_event_post_acceptex(c->listening, 1); |
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77 |
| 561 | 78 c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
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79 |
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80 c->listening->handler(c); |
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81 |
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82 return; |
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83 |
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84 } |
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85 |
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86 |
| 543 | 87 ngx_int_t |
| 88 ngx_event_post_acceptex(ngx_listening_t *ls, ngx_uint_t n) | |
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89 { |
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90 u_long rcvd; |
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91 ngx_err_t err; |
| 543 | 92 ngx_log_t *log; |
| 93 ngx_uint_t i; | |
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94 ngx_event_t *rev, *wev; |
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95 ngx_socket_t s; |
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96 ngx_connection_t *c; |
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97 |
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98 for (i = 0; i < n; i++) { |
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99 |
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100 /* TODO: look up reused sockets */ |
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101 |
| 479 | 102 s = ngx_socket(ls->family, ls->type, 0); |
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103 |
| 543 | 104 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, &ls->log, 0, |
| 461 | 105 ngx_socket_n " s:%d", s); |
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106 |
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107 if (s == -1) { |
| 543 | 108 ngx_log_error(NGX_LOG_ALERT, &ls->log, ngx_socket_errno, |
| 109 ngx_socket_n " failed"); | |
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110 |
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111 return NGX_ERROR; |
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112 } |
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113 |
| 543 | 114 c = ngx_get_connection(s, &ls->log); |
| 115 | |
| 116 if (c == NULL) { | |
| 117 return NGX_ERROR; | |
| 118 } | |
| 119 | |
| 120 c->pool = ngx_create_pool(ls->pool_size, &ls->log); | |
| 121 if (c->pool == NULL) { | |
| 122 ngx_close_posted_connection(c); | |
| 123 return NGX_ERROR; | |
| 124 } | |
| 125 | |
| 126 log = ngx_palloc(c->pool, sizeof(ngx_log_t)); | |
| 127 if (log == NULL) { | |
| 128 ngx_close_posted_connection(c); | |
| 129 return NGX_ERROR; | |
|
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130 } |
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131 |
| 543 | 132 c->buffer = ngx_create_temp_buf(c->pool, ls->post_accept_buffer_size |
| 133 + 2 * (ls->socklen + 16)); | |
| 134 if (c->buffer == NULL) { | |
| 135 ngx_close_posted_connection(c); | |
| 136 return NGX_ERROR; | |
| 137 } | |
| 138 | |
| 139 c->local_sockaddr = ngx_palloc(c->pool, ls->socklen); | |
| 140 if (c->local_sockaddr == NULL) { | |
| 141 ngx_close_posted_connection(c); | |
| 142 return NGX_ERROR; | |
| 143 } | |
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144 |
| 543 | 145 c->sockaddr = ngx_palloc(c->pool, ls->socklen); |
| 146 if (c->sockaddr == NULL) { | |
| 147 ngx_close_posted_connection(c); | |
| 148 return NGX_ERROR; | |
| 149 } | |
| 150 | |
| 151 *log = ls->log; | |
| 152 c->log = log; | |
| 153 | |
| 154 c->recv = ngx_recv; | |
| 155 c->send = ngx_send; | |
| 577 | 156 c->recv_chain = ngx_recv_chain; |
| 543 | 157 c->send_chain = ngx_send_chain; |
| 158 | |
| 159 c->unexpected_eof = 1; | |
| 160 | |
| 161 c->listening = ls; | |
| 162 | |
| 561 | 163 rev = c->read; |
| 164 wev = c->write; | |
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165 |
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166 rev->ovlp.event = rev; |
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167 wev->ovlp.event = wev; |
| 509 | 168 rev->handler = ngx_event_acceptex; |
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169 |
| 461 | 170 rev->ready = 1; |
| 171 wev->ready = 1; | |
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172 |
| 543 | 173 rev->log = c->log; |
| 174 wev->log = c->log; | |
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175 |
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102
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nginx-0.0.1-2003-06-06-18:59:20 import
Igor Sysoev <igor@sysoev.ru>
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100
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176 if (ngx_add_event(rev, 0, NGX_IOCP_IO) == NGX_ERROR) { |
| 543 | 177 ngx_close_posted_connection(c); |
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59
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178 return NGX_ERROR; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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179 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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180 |
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103
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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102
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181 if (acceptex(ls->fd, s, c->buffer->pos, ls->post_accept_buffer_size, |
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nginx-0.0.1-2003-06-11-19:28:34 import
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182 ls->socklen + 16, ls->socklen + 16, |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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183 &rcvd, (LPOVERLAPPED) &rev->ovlp) == 0) |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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102
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184 { |
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59
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185 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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186 err = ngx_socket_errno; |
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103
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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187 if (err != WSA_IO_PENDING) { |
| 543 | 188 ngx_log_error(NGX_LOG_ALERT, &ls->log, err, |
| 563 | 189 "AcceptEx() %V falied", &ls->addr_text); |
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190 |
| 543 | 191 ngx_close_posted_connection(c); |
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103
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192 return NGX_ERROR; |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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102
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193 } |
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59
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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194 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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195 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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196 |
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197 return NGX_OK; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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198 } |
| 543 | 199 |
| 200 | |
| 201 static void | |
| 202 ngx_close_posted_connection(ngx_connection_t *c) | |
| 203 { | |
| 204 ngx_socket_t fd; | |
| 205 | |
| 206 ngx_free_connection(c); | |
| 207 | |
| 208 fd = c->fd; | |
| 209 c->fd = (ngx_socket_t) -1; | |
| 210 | |
| 211 if (ngx_close_socket(fd) == -1) { | |
| 212 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_socket_errno, | |
| 213 ngx_close_socket_n " failed"); | |
| 214 } | |
| 215 | |
| 216 if (c->pool) { | |
| 217 ngx_destroy_pool(c->pool); | |
| 218 } | |
| 219 } | |
| 220 | |
| 221 | |
| 222 u_char * | |
| 223 ngx_acceptex_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
| 224 { | |
| 225 return ngx_snprintf(buf, len, " while posting AcceptEx() on %V", log->data); | |
| 226 } |