Mercurial > hg > nginx-quic
annotate src/event/ngx_event_acceptex.c @ 5366:945aa9c7f282
Configure: fixed building with Sun C if CFLAGS set (ticket #65).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Wed, 04 Sep 2013 21:17:03 +0400 |
parents | 3d2d3e1cf427 |
children | 1ab1cf63f885 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
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12 |
543 | 13 static void ngx_close_posted_connection(ngx_connection_t *c); |
14 | |
15 | |
16 void | |
17 ngx_event_acceptex(ngx_event_t *rev) | |
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18 { |
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19 ngx_listening_t *ls; |
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20 ngx_connection_t *c; |
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21 socklen_t len; |
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22 |
461 | 23 c = rev->data; |
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24 ls = c->listening; |
461 | 25 |
543 | 26 c->log->handler = ngx_accept_log_error; |
27 | |
461 | 28 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "AcceptEx: %d", c->fd); |
102
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29 |
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30 if (rev->ovlp.error) { |
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31 ngx_log_error(NGX_LOG_CRIT, c->log, rev->ovlp.error, |
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32 "AcceptEx() %V failed", &ls->addr_text); |
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33 return; |
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34 } |
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36 /* SO_UPDATE_ACCEPT_CONTEXT is required for shutdown() to work */ |
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37 |
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38 if (setsockopt(c->fd, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT, |
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39 (char *) &ls->fd, sizeof(ngx_socket_t)) |
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40 == -1) |
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41 { |
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42 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_socket_errno, |
461 | 43 "setsockopt(SO_UPDATE_ACCEPT_CONTEXT) failed for %V", |
44 &c->addr_text); | |
102
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45 } else { |
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46 c->accept_context_updated = 1; |
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47 } |
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48 |
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49 ngx_getacceptexsockaddrs(c->buffer->pos, |
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50 ls->post_accept_buffer_size, |
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51 ls->socklen + 16, |
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52 ls->socklen + 16, |
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53 &c->local_sockaddr, &len, |
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54 &c->sockaddr, &c->socklen); |
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55 |
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56 if (ls->post_accept_buffer_size) { |
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57 c->buffer->last += rev->available; |
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58 c->buffer->end = c->buffer->start + ls->post_accept_buffer_size; |
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59 |
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60 } else { |
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61 c->buffer = NULL; |
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62 } |
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63 |
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64 if (ls->addr_ntop) { |
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65 c->addr_text.data = ngx_pnalloc(c->pool, ls->addr_text_max_len); |
461 | 66 if (c->addr_text.data == NULL) { |
67 /* TODO: close socket */ | |
68 return; | |
69 } | |
70 | |
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71 c->addr_text.len = ngx_sock_ntop(c->sockaddr, c->socklen, |
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72 c->addr_text.data, |
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73 ls->addr_text_max_len, 0); |
461 | 74 if (c->addr_text.len == 0) { |
75 /* TODO: close socket */ | |
76 return; | |
77 } | |
78 } | |
79 | |
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80 ngx_event_post_acceptex(ls, 1); |
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81 |
561 | 82 c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
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83 |
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84 ls->handler(c); |
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85 |
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86 return; |
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87 |
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88 } |
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89 |
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90 |
543 | 91 ngx_int_t |
92 ngx_event_post_acceptex(ngx_listening_t *ls, ngx_uint_t n) | |
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93 { |
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94 u_long rcvd; |
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95 ngx_err_t err; |
543 | 96 ngx_log_t *log; |
97 ngx_uint_t i; | |
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98 ngx_event_t *rev, *wev; |
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99 ngx_socket_t s; |
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100 ngx_connection_t *c; |
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101 |
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102 for (i = 0; i < n; i++) { |
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103 |
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104 /* TODO: look up reused sockets */ |
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105 |
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106 s = ngx_socket(ls->sockaddr->sa_family, ls->type, 0); |
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107 |
543 | 108 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, &ls->log, 0, |
461 | 109 ngx_socket_n " s:%d", s); |
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110 |
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111 if (s == (ngx_socket_t) -1) { |
543 | 112 ngx_log_error(NGX_LOG_ALERT, &ls->log, ngx_socket_errno, |
113 ngx_socket_n " failed"); | |
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114 |
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115 return NGX_ERROR; |
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116 } |
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117 |
543 | 118 c = ngx_get_connection(s, &ls->log); |
119 | |
120 if (c == NULL) { | |
121 return NGX_ERROR; | |
122 } | |
123 | |
124 c->pool = ngx_create_pool(ls->pool_size, &ls->log); | |
125 if (c->pool == NULL) { | |
126 ngx_close_posted_connection(c); | |
127 return NGX_ERROR; | |
128 } | |
129 | |
130 log = ngx_palloc(c->pool, sizeof(ngx_log_t)); | |
131 if (log == NULL) { | |
132 ngx_close_posted_connection(c); | |
133 return NGX_ERROR; | |
103
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134 } |
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135 |
543 | 136 c->buffer = ngx_create_temp_buf(c->pool, ls->post_accept_buffer_size |
137 + 2 * (ls->socklen + 16)); | |
138 if (c->buffer == NULL) { | |
139 ngx_close_posted_connection(c); | |
140 return NGX_ERROR; | |
141 } | |
142 | |
143 c->local_sockaddr = ngx_palloc(c->pool, ls->socklen); | |
144 if (c->local_sockaddr == NULL) { | |
145 ngx_close_posted_connection(c); | |
146 return NGX_ERROR; | |
147 } | |
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148 |
543 | 149 c->sockaddr = ngx_palloc(c->pool, ls->socklen); |
150 if (c->sockaddr == NULL) { | |
151 ngx_close_posted_connection(c); | |
152 return NGX_ERROR; | |
153 } | |
154 | |
155 *log = ls->log; | |
156 c->log = log; | |
157 | |
158 c->recv = ngx_recv; | |
159 c->send = ngx_send; | |
577 | 160 c->recv_chain = ngx_recv_chain; |
543 | 161 c->send_chain = ngx_send_chain; |
162 | |
163 c->unexpected_eof = 1; | |
164 | |
165 c->listening = ls; | |
166 | |
561 | 167 rev = c->read; |
168 wev = c->write; | |
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169 |
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170 rev->ovlp.event = rev; |
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171 wev->ovlp.event = wev; |
509 | 172 rev->handler = ngx_event_acceptex; |
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173 |
461 | 174 rev->ready = 1; |
175 wev->ready = 1; | |
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176 |
543 | 177 rev->log = c->log; |
178 wev->log = c->log; | |
59
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179 |
102
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180 if (ngx_add_event(rev, 0, NGX_IOCP_IO) == NGX_ERROR) { |
543 | 181 ngx_close_posted_connection(c); |
59
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182 return NGX_ERROR; |
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183 } |
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184 |
1633
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185 if (ngx_acceptex(ls->fd, s, c->buffer->pos, ls->post_accept_buffer_size, |
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186 ls->socklen + 16, ls->socklen + 16, |
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187 &rcvd, (LPOVERLAPPED) &rev->ovlp) |
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188 == 0) |
103
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189 { |
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190 err = ngx_socket_errno; |
103
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191 if (err != WSA_IO_PENDING) { |
543 | 192 ngx_log_error(NGX_LOG_ALERT, &ls->log, err, |
563 | 193 "AcceptEx() %V falied", &ls->addr_text); |
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194 |
543 | 195 ngx_close_posted_connection(c); |
103
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196 return NGX_ERROR; |
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197 } |
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198 } |
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199 } |
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200 |
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201 return NGX_OK; |
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202 } |
543 | 203 |
204 | |
205 static void | |
206 ngx_close_posted_connection(ngx_connection_t *c) | |
207 { | |
208 ngx_socket_t fd; | |
209 | |
210 ngx_free_connection(c); | |
211 | |
212 fd = c->fd; | |
213 c->fd = (ngx_socket_t) -1; | |
214 | |
215 if (ngx_close_socket(fd) == -1) { | |
216 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_socket_errno, | |
217 ngx_close_socket_n " failed"); | |
218 } | |
219 | |
220 if (c->pool) { | |
221 ngx_destroy_pool(c->pool); | |
222 } | |
223 } | |
224 | |
225 | |
226 u_char * | |
227 ngx_acceptex_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
228 { | |
229 return ngx_snprintf(buf, len, " while posting AcceptEx() on %V", log->data); | |
230 } |