Mercurial > hg > nginx
annotate src/event/ngx_event_acceptex.c @ 5360:3d2d3e1cf427
Win32: MinGW GCC compatibility.
Several warnings silenced, notably (ngx_socket_t) -1 is now checked
on socket operations instead of -1, as ngx_socket_t is unsigned on win32
and gcc complains on comparison.
With this patch, it's now possible to compile nginx using mingw gcc,
with options we normally compile on win32.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Wed, 04 Sep 2013 20:48:28 +0400 |
| parents | 05ba5bce31e0 |
| 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); |
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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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35 |
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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); | |
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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; | |
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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; | |
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179 |
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102
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180 if (ngx_add_event(rev, 0, NGX_IOCP_IO) == NGX_ERROR) { |
| 543 | 181 ngx_close_posted_connection(c); |
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182 return NGX_ERROR; |
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183 } |
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184 |
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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) |
|
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189 { |
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190 err = ngx_socket_errno; |
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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); |
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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 } |