Mercurial > hg > nginx
annotate src/core/ngx_connection.c @ 4522:14411ee4d89f
Whitespace fixes.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 05 Mar 2012 18:09:06 +0000 |
parents | d620f497c50f |
children | 67653855682e |
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. |
441
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5 */ |
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6 |
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7 |
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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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11 |
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13 ngx_os_io_t ngx_io; |
218
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14 |
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15 |
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16 static void ngx_drain_connections(void); |
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17 |
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18 |
2806 | 19 ngx_listening_t * |
20 ngx_create_listening(ngx_conf_t *cf, void *sockaddr, socklen_t socklen) | |
21 { | |
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22 size_t len; |
2806 | 23 ngx_listening_t *ls; |
24 struct sockaddr *sa; | |
25 u_char text[NGX_SOCKADDR_STRLEN]; | |
26 | |
27 ls = ngx_array_push(&cf->cycle->listening); | |
28 if (ls == NULL) { | |
29 return NULL; | |
30 } | |
31 | |
32 ngx_memzero(ls, sizeof(ngx_listening_t)); | |
33 | |
34 sa = ngx_palloc(cf->pool, socklen); | |
35 if (sa == NULL) { | |
36 return NULL; | |
37 } | |
38 | |
39 ngx_memcpy(sa, sockaddr, socklen); | |
40 | |
41 ls->sockaddr = sa; | |
42 ls->socklen = socklen; | |
43 | |
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44 len = ngx_sock_ntop(sa, text, NGX_SOCKADDR_STRLEN, 1); |
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45 ls->addr_text.len = len; |
2806 | 46 |
47 switch (ls->sockaddr->sa_family) { | |
48 #if (NGX_HAVE_INET6) | |
49 case AF_INET6: | |
50 ls->addr_text_max_len = NGX_INET6_ADDRSTRLEN; | |
51 break; | |
52 #endif | |
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53 #if (NGX_HAVE_UNIX_DOMAIN) |
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54 case AF_UNIX: |
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55 ls->addr_text_max_len = NGX_UNIX_ADDRSTRLEN; |
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56 len++; |
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57 break; |
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58 #endif |
2806 | 59 case AF_INET: |
60 ls->addr_text_max_len = NGX_INET_ADDRSTRLEN; | |
61 break; | |
62 default: | |
63 ls->addr_text_max_len = NGX_SOCKADDR_STRLEN; | |
64 break; | |
65 } | |
66 | |
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67 ls->addr_text.data = ngx_pnalloc(cf->pool, len); |
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68 if (ls->addr_text.data == NULL) { |
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69 return NULL; |
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70 } |
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71 |
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72 ngx_memcpy(ls->addr_text.data, text, len); |
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73 |
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74 ls->fd = (ngx_socket_t) -1; |
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75 ls->type = SOCK_STREAM; |
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76 |
2806 | 77 ls->backlog = NGX_LISTEN_BACKLOG; |
78 ls->rcvbuf = -1; | |
79 ls->sndbuf = -1; | |
80 | |
3676 | 81 #if (NGX_HAVE_SETFIB) |
82 ls->setfib = -1; | |
83 #endif | |
84 | |
2806 | 85 return ls; |
86 } | |
87 | |
88 | |
521 | 89 ngx_int_t |
90 ngx_set_inherited_sockets(ngx_cycle_t *cycle) | |
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91 { |
523 | 92 size_t len; |
93 ngx_uint_t i; | |
94 ngx_listening_t *ls; | |
563 | 95 socklen_t olen; |
523 | 96 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) |
541 | 97 ngx_err_t err; |
523 | 98 struct accept_filter_arg af; |
99 #endif | |
100 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) | |
101 int timeout; | |
102 #endif | |
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103 |
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104 ls = cycle->listening.elts; |
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105 for (i = 0; i < cycle->listening.nelts; i++) { |
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106 |
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107 ls[i].sockaddr = ngx_palloc(cycle->pool, NGX_SOCKADDRLEN); |
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108 if (ls[i].sockaddr == NULL) { |
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109 return NGX_ERROR; |
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110 } |
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111 |
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112 ls[i].socklen = NGX_SOCKADDRLEN; |
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113 if (getsockname(ls[i].fd, ls[i].sockaddr, &ls[i].socklen) == -1) { |
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114 ngx_log_error(NGX_LOG_CRIT, cycle->log, ngx_socket_errno, |
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115 "getsockname() of the inherited " |
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116 "socket #%d failed", ls[i].fd); |
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117 ls[i].ignore = 1; |
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118 continue; |
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119 } |
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120 |
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121 switch (ls[i].sockaddr->sa_family) { |
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122 |
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123 #if (NGX_HAVE_INET6) |
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124 case AF_INET6: |
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125 ls[i].addr_text_max_len = NGX_INET6_ADDRSTRLEN; |
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126 len = NGX_INET6_ADDRSTRLEN + sizeof(":65535") - 1; |
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127 break; |
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128 #endif |
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129 |
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130 #if (NGX_HAVE_UNIX_DOMAIN) |
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131 case AF_UNIX: |
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132 ls[i].addr_text_max_len = NGX_UNIX_ADDRSTRLEN; |
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133 len = NGX_UNIX_ADDRSTRLEN; |
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134 break; |
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135 #endif |
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136 |
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137 case AF_INET: |
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138 ls[i].addr_text_max_len = NGX_INET_ADDRSTRLEN; |
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139 len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1; |
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140 break; |
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141 |
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142 default: |
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143 ngx_log_error(NGX_LOG_CRIT, cycle->log, ngx_socket_errno, |
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144 "the inherited socket #%d has " |
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145 "an unsupported protocol family", ls[i].fd); |
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146 ls[i].ignore = 1; |
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147 continue; |
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148 } |
461 | 149 |
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150 ls[i].addr_text.data = ngx_pnalloc(cycle->pool, len); |
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151 if (ls[i].addr_text.data == NULL) { |
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152 return NGX_ERROR; |
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153 } |
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154 |
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155 len = ngx_sock_ntop(ls[i].sockaddr, ls[i].addr_text.data, len, 1); |
461 | 156 if (len == 0) { |
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157 return NGX_ERROR; |
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158 } |
461 | 159 |
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160 ls[i].addr_text.len = len; |
523 | 161 |
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162 ls[i].backlog = NGX_LISTEN_BACKLOG; |
537 | 163 |
563 | 164 olen = sizeof(int); |
165 | |
166 if (getsockopt(ls[i].fd, SOL_SOCKET, SO_RCVBUF, (void *) &ls[i].rcvbuf, | |
167 &olen) | |
168 == -1) | |
169 { | |
170 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
171 "getsockopt(SO_RCVBUF) %V failed, ignored", | |
172 &ls[i].addr_text); | |
173 | |
174 ls[i].rcvbuf = -1; | |
175 } | |
176 | |
177 olen = sizeof(int); | |
178 | |
179 if (getsockopt(ls[i].fd, SOL_SOCKET, SO_SNDBUF, (void *) &ls[i].sndbuf, | |
180 &olen) | |
181 == -1) | |
182 { | |
183 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
184 "getsockopt(SO_SNDBUF) %V failed, ignored", | |
185 &ls[i].addr_text); | |
186 | |
187 ls[i].sndbuf = -1; | |
188 } | |
189 | |
3676 | 190 #if 0 |
191 /* SO_SETFIB is currently a set only option */ | |
192 | |
193 #if (NGX_HAVE_SETFIB) | |
194 | |
195 if (getsockopt(ls[i].setfib, SOL_SOCKET, SO_SETFIB, | |
196 (void *) &ls[i].setfib, &olen) | |
197 == -1) | |
198 { | |
199 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
200 "getsockopt(SO_SETFIB) %V failed, ignored", | |
201 &ls[i].addr_text); | |
202 | |
203 ls[i].setfib = -1; | |
204 } | |
205 | |
206 #endif | |
207 #endif | |
208 | |
523 | 209 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) |
210 | |
211 ngx_memzero(&af, sizeof(struct accept_filter_arg)); | |
563 | 212 olen = sizeof(struct accept_filter_arg); |
523 | 213 |
563 | 214 if (getsockopt(ls[i].fd, SOL_SOCKET, SO_ACCEPTFILTER, &af, &olen) |
523 | 215 == -1) |
216 { | |
541 | 217 err = ngx_errno; |
218 | |
219 if (err == NGX_EINVAL) { | |
220 continue; | |
221 } | |
222 | |
223 ngx_log_error(NGX_LOG_NOTICE, cycle->log, err, | |
523 | 224 "getsockopt(SO_ACCEPTFILTER) for %V failed, ignored", |
225 &ls[i].addr_text); | |
226 continue; | |
227 } | |
228 | |
563 | 229 if (olen < sizeof(struct accept_filter_arg) || af.af_name[0] == '\0') { |
523 | 230 continue; |
231 } | |
232 | |
233 ls[i].accept_filter = ngx_palloc(cycle->pool, 16); | |
234 if (ls[i].accept_filter == NULL) { | |
235 return NGX_ERROR; | |
236 } | |
237 | |
238 (void) ngx_cpystrn((u_char *) ls[i].accept_filter, | |
239 (u_char *) af.af_name, 16); | |
240 #endif | |
241 | |
242 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) | |
243 | |
244 timeout = 0; | |
563 | 245 olen = sizeof(int); |
523 | 246 |
563 | 247 if (getsockopt(ls[i].fd, IPPROTO_TCP, TCP_DEFER_ACCEPT, &timeout, &olen) |
523 | 248 == -1) |
249 { | |
250 ngx_log_error(NGX_LOG_NOTICE, cycle->log, ngx_errno, | |
251 "getsockopt(TCP_DEFER_ACCEPT) for %V failed, ignored", | |
252 &ls[i].addr_text); | |
253 continue; | |
254 } | |
255 | |
565 | 256 if (olen < sizeof(int) || timeout == 0) { |
523 | 257 continue; |
258 } | |
259 | |
260 ls[i].deferred_accept = 1; | |
261 #endif | |
218
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262 } |
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263 |
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264 return NGX_OK; |
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265 } |
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266 |
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267 |
521 | 268 ngx_int_t |
269 ngx_open_listening_sockets(ngx_cycle_t *cycle) | |
218
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270 { |
563 | 271 int reuseaddr; |
272 ngx_uint_t i, tries, failed; | |
253
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273 ngx_err_t err; |
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274 ngx_log_t *log; |
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275 ngx_socket_t s; |
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276 ngx_listening_t *ls; |
218
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277 |
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278 reuseaddr = 1; |
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279 #if (NGX_SUPPRESS_WARN) |
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280 failed = 0; |
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281 #endif |
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282 |
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283 log = cycle->log; |
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284 |
563 | 285 /* TODO: configurable try number */ |
218
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286 |
2024 | 287 for (tries = 5; tries; tries--) { |
218
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288 failed = 0; |
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289 |
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290 /* for each listening socket */ |
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291 |
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292 ls = cycle->listening.elts; |
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293 for (i = 0; i < cycle->listening.nelts; i++) { |
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294 |
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295 if (ls[i].ignore) { |
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296 continue; |
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297 } |
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298 |
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299 if (ls[i].fd != -1) { |
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300 continue; |
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301 } |
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302 |
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303 if (ls[i].inherited) { |
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304 |
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305 /* TODO: close on exit */ |
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306 /* TODO: nonblocking */ |
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307 /* TODO: deferred accept */ |
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308 |
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309 continue; |
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310 } |
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311 |
2198
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312 s = ngx_socket(ls[i].sockaddr->sa_family, ls[i].type, 0); |
218
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313 |
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314 if (s == -1) { |
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315 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
461 | 316 ngx_socket_n " %V failed", &ls[i].addr_text); |
218
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317 return NGX_ERROR; |
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318 } |
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319 |
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320 if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, |
563 | 321 (const void *) &reuseaddr, sizeof(int)) |
322 == -1) | |
323 { | |
218
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324 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
461 | 325 "setsockopt(SO_REUSEADDR) %V failed", |
326 &ls[i].addr_text); | |
563 | 327 |
1223 | 328 if (ngx_close_socket(s) == -1) { |
563 | 329 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
330 ngx_close_socket_n " %V failed", | |
331 &ls[i].addr_text); | |
1223 | 332 } |
563 | 333 |
218
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334 return NGX_ERROR; |
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335 } |
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336 |
2562 | 337 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
338 | |
339 if (ls[i].sockaddr->sa_family == AF_INET6 && ls[i].ipv6only) { | |
340 int ipv6only; | |
341 | |
342 ipv6only = (ls[i].ipv6only == 1); | |
343 | |
344 if (setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, | |
345 (const void *) &ipv6only, sizeof(int)) | |
346 == -1) | |
347 { | |
2801 | 348 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
2562 | 349 "setsockopt(IPV6_V6ONLY) %V failed, ignored", |
350 &ls[i].addr_text); | |
351 } | |
352 } | |
353 #endif | |
218
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354 /* TODO: close on exit */ |
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355 |
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356 if (!(ngx_event_flags & NGX_USE_AIO_EVENT)) { |
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357 if (ngx_nonblocking(s) == -1) { |
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358 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
461 | 359 ngx_nonblocking_n " %V failed", |
360 &ls[i].addr_text); | |
563 | 361 |
1223 | 362 if (ngx_close_socket(s) == -1) { |
563 | 363 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
364 ngx_close_socket_n " %V failed", | |
365 &ls[i].addr_text); | |
1223 | 366 } |
563 | 367 |
218
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368 return NGX_ERROR; |
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369 } |
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370 } |
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371 |
2801 | 372 ngx_log_debug2(NGX_LOG_DEBUG_CORE, log, 0, |
593 | 373 "bind() %V #%d ", &ls[i].addr_text, s); |
374 | |
218
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375 if (bind(s, ls[i].sockaddr, ls[i].socklen) == -1) { |
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376 err = ngx_socket_errno; |
563 | 377 |
378 if (err == NGX_EADDRINUSE && ngx_test_config) { | |
379 continue; | |
380 } | |
381 | |
218
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382 ngx_log_error(NGX_LOG_EMERG, log, err, |
461 | 383 "bind() to %V failed", &ls[i].addr_text); |
218
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384 |
1223 | 385 if (ngx_close_socket(s) == -1) { |
218
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386 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
461 | 387 ngx_close_socket_n " %V failed", |
388 &ls[i].addr_text); | |
1223 | 389 } |
218
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390 |
563 | 391 if (err != NGX_EADDRINUSE) { |
392 return NGX_ERROR; | |
393 } | |
394 | |
218
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395 failed = 1; |
563 | 396 |
218
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397 continue; |
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398 } |
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399 |
3260
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400 #if (NGX_HAVE_UNIX_DOMAIN) |
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401 |
3371
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402 if (ls[i].sockaddr->sa_family == AF_UNIX) { |
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403 mode_t mode; |
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404 u_char *name; |
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405 |
102fdc22de4d
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406 name = ls[i].addr_text.data + sizeof("unix:") - 1; |
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407 mode = (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH); |
3260
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408 |
3371
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409 if (chmod((char *) name, mode) == -1) { |
102fdc22de4d
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410 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
102fdc22de4d
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411 "chmod() \"%s\" failed", name); |
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412 } |
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413 |
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414 if (ngx_test_config) { |
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415 if (ngx_delete_file(name) == -1) { |
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416 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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417 ngx_delete_file_n " %s failed", name); |
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418 } |
3260
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419 } |
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420 } |
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421 #endif |
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422 |
1224
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423 if (listen(s, ls[i].backlog) == -1) { |
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424 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
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425 "listen() to %V, backlog %d failed", |
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426 &ls[i].addr_text, ls[i].backlog); |
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427 |
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428 if (ngx_close_socket(s) == -1) { |
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429 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
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430 ngx_close_socket_n " %V failed", |
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431 &ls[i].addr_text); |
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432 } |
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433 |
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434 return NGX_ERROR; |
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435 } |
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436 |
563 | 437 ls[i].listen = 1; |
218
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438 |
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439 ls[i].fd = s; |
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440 } |
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441 |
563 | 442 if (!failed) { |
218
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443 break; |
563 | 444 } |
218
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445 |
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446 /* TODO: delay configurable */ |
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447 |
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448 ngx_log_error(NGX_LOG_NOTICE, log, 0, |
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449 "try again to bind() after 500ms"); |
563 | 450 |
218
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451 ngx_msleep(500); |
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452 } |
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453 |
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454 if (failed) { |
477 | 455 ngx_log_error(NGX_LOG_EMERG, log, 0, "still could not bind()"); |
218
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456 return NGX_ERROR; |
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457 } |
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458 |
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459 return NGX_OK; |
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460 } |
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461 |
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462 |
521 | 463 void |
2802 | 464 ngx_configure_listening_sockets(ngx_cycle_t *cycle) |
563 | 465 { |
4323
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466 int keepalive; |
563 | 467 ngx_uint_t i; |
468 ngx_listening_t *ls; | |
469 | |
470 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) | |
471 struct accept_filter_arg af; | |
472 #endif | |
473 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) | |
474 int timeout; | |
475 #endif | |
476 | |
477 ls = cycle->listening.elts; | |
478 for (i = 0; i < cycle->listening.nelts; i++) { | |
479 | |
2803
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480 ls[i].log = *ls[i].logp; |
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481 |
563 | 482 if (ls[i].rcvbuf != -1) { |
483 if (setsockopt(ls[i].fd, SOL_SOCKET, SO_RCVBUF, | |
484 (const void *) &ls[i].rcvbuf, sizeof(int)) | |
485 == -1) | |
486 { | |
487 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
569 | 488 "setsockopt(SO_RCVBUF, %d) %V failed, ignored", |
489 ls[i].rcvbuf, &ls[i].addr_text); | |
563 | 490 } |
491 } | |
492 | |
493 if (ls[i].sndbuf != -1) { | |
494 if (setsockopt(ls[i].fd, SOL_SOCKET, SO_SNDBUF, | |
495 (const void *) &ls[i].sndbuf, sizeof(int)) | |
496 == -1) | |
497 { | |
498 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
569 | 499 "setsockopt(SO_SNDBUF, %d) %V failed, ignored", |
500 ls[i].sndbuf, &ls[i].addr_text); | |
563 | 501 } |
502 } | |
503 | |
4323
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504 if (ls[i].keepalive) { |
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505 keepalive = (ls[i].keepalive == 1) ? 1 : 0; |
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506 |
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507 if (setsockopt(ls[i].fd, SOL_SOCKET, SO_KEEPALIVE, |
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508 (const void *) &keepalive, sizeof(int)) |
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509 == -1) |
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510 { |
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511 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, |
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512 "setsockopt(SO_KEEPALIVE, %d) %V failed, ignored", |
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513 keepalive, &ls[i].addr_text); |
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514 } |
c4513d4dd024
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515 } |
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516 |
4522 | 517 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
4323
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518 |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
519 if (ls[i].keepidle) { |
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520 if (setsockopt(ls[i].fd, IPPROTO_TCP, TCP_KEEPIDLE, |
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Added the "so_keepalive=" parameter to the "listen" directive.
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|
521 (const void *) &ls[i].keepidle, sizeof(int)) |
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522 == -1) |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
523 { |
c4513d4dd024
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524 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
525 "setsockopt(TCP_KEEPIDLE, %d) %V failed, ignored", |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
526 ls[i].keepidle, &ls[i].addr_text); |
c4513d4dd024
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|
527 } |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
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|
528 } |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
529 |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
530 if (ls[i].keepintvl) { |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
531 if (setsockopt(ls[i].fd, IPPROTO_TCP, TCP_KEEPINTVL, |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
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|
532 (const void *) &ls[i].keepintvl, sizeof(int)) |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
533 == -1) |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
534 { |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
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|
535 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
536 "setsockopt(TCP_KEEPINTVL, %d) %V failed, ignored", |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
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|
537 ls[i].keepintvl, &ls[i].addr_text); |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
538 } |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
539 } |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
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|
540 |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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changeset
|
541 if (ls[i].keepcnt) { |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
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|
542 if (setsockopt(ls[i].fd, IPPROTO_TCP, TCP_KEEPCNT, |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
543 (const void *) &ls[i].keepcnt, sizeof(int)) |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
544 == -1) |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
545 { |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
546 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
547 "setsockopt(TCP_KEEPCNT, %d) %V failed, ignored", |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
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|
548 ls[i].keepcnt, &ls[i].addr_text); |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
549 } |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
550 } |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
551 |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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552 #endif |
c4513d4dd024
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|
553 |
3676 | 554 #if (NGX_HAVE_SETFIB) |
555 if (ls[i].setfib != -1) { | |
556 if (setsockopt(ls[i].fd, SOL_SOCKET, SO_SETFIB, | |
557 (const void *) &ls[i].setfib, sizeof(int)) | |
558 == -1) | |
559 { | |
560 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
561 "setsockopt(SO_SETFIB, %d) %V failed, ignored", | |
562 ls[i].setfib, &ls[i].addr_text); | |
563 } | |
564 } | |
565 #endif | |
566 | |
635 | 567 #if 0 |
568 if (1) { | |
569 int tcp_nodelay = 1; | |
570 | |
571 if (setsockopt(ls[i].fd, IPPROTO_TCP, TCP_NODELAY, | |
572 (const void *) &tcp_nodelay, sizeof(int)) | |
573 == -1) | |
574 { | |
575 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
576 "setsockopt(TCP_NODELAY) %V failed, ignored", | |
577 &ls[i].addr_text); | |
578 } | |
579 } | |
580 #endif | |
581 | |
563 | 582 if (ls[i].listen) { |
1225 | 583 |
584 /* change backlog via listen() */ | |
585 | |
563 | 586 if (listen(ls[i].fd, ls[i].backlog) == -1) { |
587 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
1222 | 588 "listen() to %V, backlog %d failed, ignored", |
589 &ls[i].addr_text, ls[i].backlog); | |
563 | 590 } |
591 } | |
592 | |
593 /* | |
594 * setting deferred mode should be last operation on socket, | |
595 * because code may prematurely continue cycle on failure | |
596 */ | |
597 | |
598 #if (NGX_HAVE_DEFERRED_ACCEPT) | |
599 | |
600 #ifdef SO_ACCEPTFILTER | |
601 | |
627 | 602 if (ls[i].delete_deferred) { |
603 if (setsockopt(ls[i].fd, SOL_SOCKET, SO_ACCEPTFILTER, NULL, 0) | |
604 == -1) | |
563 | 605 { |
606 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
607 "setsockopt(SO_ACCEPTFILTER, NULL) " | |
608 "for %V failed, ignored", | |
627 | 609 &ls[i].addr_text); |
563 | 610 |
627 | 611 if (ls[i].accept_filter) { |
563 | 612 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
613 "could not change the accept filter " | |
614 "to \"%s\" for %V, ignored", | |
627 | 615 ls[i].accept_filter, &ls[i].addr_text); |
563 | 616 } |
617 | |
618 continue; | |
619 } | |
620 | |
627 | 621 ls[i].deferred_accept = 0; |
563 | 622 } |
623 | |
627 | 624 if (ls[i].add_deferred) { |
563 | 625 ngx_memzero(&af, sizeof(struct accept_filter_arg)); |
626 (void) ngx_cpystrn((u_char *) af.af_name, | |
627 | 627 (u_char *) ls[i].accept_filter, 16); |
563 | 628 |
627 | 629 if (setsockopt(ls[i].fd, SOL_SOCKET, SO_ACCEPTFILTER, |
563 | 630 &af, sizeof(struct accept_filter_arg)) |
631 == -1) | |
632 { | |
633 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
634 "setsockopt(SO_ACCEPTFILTER, \"%s\") " | |
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635 "for %V failed, ignored", |
627 | 636 ls[i].accept_filter, &ls[i].addr_text); |
563 | 637 continue; |
638 } | |
639 | |
627 | 640 ls[i].deferred_accept = 1; |
563 | 641 } |
642 | |
643 #endif | |
644 | |
645 #ifdef TCP_DEFER_ACCEPT | |
646 | |
627 | 647 if (ls[i].add_deferred || ls[i].delete_deferred) { |
563 | 648 |
627 | 649 if (ls[i].add_deferred) { |
650 timeout = (int) (ls[i].post_accept_timeout / 1000); | |
563 | 651 |
652 } else { | |
653 timeout = 0; | |
654 } | |
655 | |
627 | 656 if (setsockopt(ls[i].fd, IPPROTO_TCP, TCP_DEFER_ACCEPT, |
563 | 657 &timeout, sizeof(int)) |
658 == -1) | |
659 { | |
660 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
661 "setsockopt(TCP_DEFER_ACCEPT, %d) for %V failed, " | |
662 "ignored", | |
627 | 663 timeout, &ls[i].addr_text); |
563 | 664 |
665 continue; | |
666 } | |
667 } | |
668 | |
627 | 669 if (ls[i].add_deferred) { |
670 ls[i].deferred_accept = 1; | |
563 | 671 } |
672 | |
673 #endif | |
674 | |
675 #endif /* NGX_HAVE_DEFERRED_ACCEPT */ | |
676 } | |
677 | |
678 return; | |
679 } | |
680 | |
681 | |
682 void | |
521 | 683 ngx_close_listening_sockets(ngx_cycle_t *cycle) |
218
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684 { |
543 | 685 ngx_uint_t i; |
686 ngx_listening_t *ls; | |
687 ngx_connection_t *c; | |
218
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688 |
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689 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
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690 return; |
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691 } |
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692 |
303
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693 ngx_accept_mutex_held = 0; |
611 | 694 ngx_use_accept_mutex = 0; |
303
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695 |
218
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696 ls = cycle->listening.elts; |
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697 for (i = 0; i < cycle->listening.nelts; i++) { |
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698 |
543 | 699 c = ls[i].connection; |
218
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700 |
2725 | 701 if (c) { |
702 if (c->read->active) { | |
703 if (ngx_event_flags & NGX_USE_RTSIG_EVENT) { | |
704 ngx_del_conn(c, NGX_CLOSE_EVENT); | |
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705 |
2725 | 706 } else if (ngx_event_flags & NGX_USE_EPOLL_EVENT) { |
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707 |
2725 | 708 /* |
709 * it seems that Linux-2.6.x OpenVZ sends events | |
710 * for closed shared listening sockets unless | |
711 * the events was explicity deleted | |
712 */ | |
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713 |
2725 | 714 ngx_del_event(c->read, NGX_READ_EVENT, 0); |
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715 |
2725 | 716 } else { |
717 ngx_del_event(c->read, NGX_READ_EVENT, NGX_CLOSE_EVENT); | |
718 } | |
317
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719 } |
2725 | 720 |
721 ngx_free_connection(c); | |
722 | |
723 c->fd = (ngx_socket_t) -1; | |
317
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724 } |
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725 |
563 | 726 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0, |
727 "close listening %V #%d ", &ls[i].addr_text, ls[i].fd); | |
728 | |
543 | 729 if (ngx_close_socket(ls[i].fd) == -1) { |
218
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730 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno, |
461 | 731 ngx_close_socket_n " %V failed", &ls[i].addr_text); |
218
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732 } |
2928 | 733 |
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734 #if (NGX_HAVE_UNIX_DOMAIN) |
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735 |
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736 if (ls[i].sockaddr->sa_family == AF_UNIX |
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737 && ngx_process <= NGX_PROCESS_MASTER |
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738 && ngx_new_binary == 0) |
3230
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739 { |
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740 u_char *name = ls[i].addr_text.data + sizeof("unix:") - 1; |
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741 |
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742 if (ngx_delete_file(name) == -1) { |
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743 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno, |
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744 ngx_delete_file_n " %s failed", name); |
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745 } |
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746 } |
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747 |
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748 #endif |
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749 |
2928 | 750 ls[i].fd = (ngx_socket_t) -1; |
543 | 751 } |
752 } | |
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753 |
543 | 754 |
755 ngx_connection_t * | |
756 ngx_get_connection(ngx_socket_t s, ngx_log_t *log) | |
757 { | |
561 | 758 ngx_uint_t instance; |
759 ngx_event_t *rev, *wev; | |
760 ngx_connection_t *c; | |
543 | 761 |
762 /* disable warning: Win32 SOCKET is u_int while UNIX socket is int */ | |
763 | |
764 if (ngx_cycle->files && (ngx_uint_t) s >= ngx_cycle->files_n) { | |
765 ngx_log_error(NGX_LOG_ALERT, log, 0, | |
766 "the new socket has number %d, " | |
767 "but only %ui files are available", | |
768 s, ngx_cycle->files_n); | |
769 return NULL; | |
770 } | |
771 | |
772 /* ngx_mutex_lock */ | |
773 | |
774 c = ngx_cycle->free_connections; | |
775 | |
776 if (c == NULL) { | |
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777 ngx_drain_connections(); |
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778 c = ngx_cycle->free_connections; |
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779 } |
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780 |
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|
781 if (c == NULL) { |
543 | 782 ngx_log_error(NGX_LOG_ALERT, log, 0, |
2254 | 783 "%ui worker_connections are not enough", |
543 | 784 ngx_cycle->connection_n); |
785 | |
786 /* ngx_mutex_unlock */ | |
787 | |
788 return NULL; | |
789 } | |
790 | |
791 ngx_cycle->free_connections = c->data; | |
792 ngx_cycle->free_connection_n--; | |
793 | |
794 /* ngx_mutex_unlock */ | |
795 | |
796 if (ngx_cycle->files) { | |
797 ngx_cycle->files[s] = c; | |
798 } | |
799 | |
561 | 800 rev = c->read; |
801 wev = c->write; | |
802 | |
803 ngx_memzero(c, sizeof(ngx_connection_t)); | |
804 | |
805 c->read = rev; | |
806 c->write = wev; | |
807 c->fd = s; | |
808 c->log = log; | |
809 | |
810 instance = rev->instance; | |
811 | |
812 ngx_memzero(rev, sizeof(ngx_event_t)); | |
813 ngx_memzero(wev, sizeof(ngx_event_t)); | |
814 | |
815 rev->instance = !instance; | |
816 wev->instance = !instance; | |
817 | |
818 rev->index = NGX_INVALID_INDEX; | |
819 wev->index = NGX_INVALID_INDEX; | |
820 | |
821 rev->data = c; | |
822 wev->data = c; | |
823 | |
824 wev->write = 1; | |
825 | |
543 | 826 return c; |
827 } | |
828 | |
829 | |
830 void | |
831 ngx_free_connection(ngx_connection_t *c) | |
832 { | |
833 /* ngx_mutex_lock */ | |
834 | |
835 c->data = ngx_cycle->free_connections; | |
836 ngx_cycle->free_connections = c; | |
837 ngx_cycle->free_connection_n++; | |
838 | |
839 /* ngx_mutex_unlock */ | |
840 | |
841 if (ngx_cycle->files) { | |
842 ngx_cycle->files[c->fd] = NULL; | |
218
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843 } |
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844 } |
253
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845 |
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846 |
521 | 847 void |
848 ngx_close_connection(ngx_connection_t *c) | |
417
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849 { |
1917
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850 ngx_err_t err; |
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851 ngx_uint_t log_error, level; |
417
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852 ngx_socket_t fd; |
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853 |
479 | 854 if (c->fd == -1) { |
417
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855 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "connection already closed"); |
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856 return; |
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857 } |
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858 |
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859 if (c->read->timer_set) { |
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860 ngx_del_timer(c->read); |
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861 } |
577 | 862 |
417
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863 if (c->write->timer_set) { |
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864 ngx_del_timer(c->write); |
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865 } |
577 | 866 |
417
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867 if (ngx_del_conn) { |
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868 ngx_del_conn(c, NGX_CLOSE_EVENT); |
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869 |
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870 } else { |
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871 if (c->read->active || c->read->disabled) { |
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872 ngx_del_event(c->read, NGX_READ_EVENT, NGX_CLOSE_EVENT); |
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873 } |
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874 |
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346
diff
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|
875 if (c->write->active || c->write->disabled) { |
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346
diff
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|
876 ngx_del_event(c->write, NGX_WRITE_EVENT, NGX_CLOSE_EVENT); |
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346
diff
changeset
|
877 } |
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346
diff
changeset
|
878 } |
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346
diff
changeset
|
879 |
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346
diff
changeset
|
880 #if (NGX_THREADS) |
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346
diff
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|
881 |
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346
diff
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|
882 /* |
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346
diff
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|
883 * we have to clean the connection information before the closing |
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346
diff
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|
884 * because another thread may reopen the same file descriptor |
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346
diff
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|
885 * before we clean the connection |
0526206251f6
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346
diff
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|
886 */ |
0526206251f6
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346
diff
changeset
|
887 |
563 | 888 ngx_mutex_lock(ngx_posted_events_mutex); |
417
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parents:
346
diff
changeset
|
889 |
563 | 890 if (c->read->prev) { |
891 ngx_delete_posted_event(c->read); | |
892 } | |
417
0526206251f6
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parents:
346
diff
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|
893 |
563 | 894 if (c->write->prev) { |
895 ngx_delete_posted_event(c->write); | |
896 } | |
417
0526206251f6
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parents:
346
diff
changeset
|
897 |
563 | 898 c->read->closed = 1; |
899 c->write->closed = 1; | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
900 |
563 | 901 if (c->single_connection) { |
902 ngx_unlock(&c->lock); | |
903 c->read->locked = 0; | |
904 c->write->locked = 0; | |
905 } | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
346
diff
changeset
|
906 |
563 | 907 ngx_mutex_unlock(ngx_posted_events_mutex); |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
908 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
346
diff
changeset
|
909 #else |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
346
diff
changeset
|
910 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
346
diff
changeset
|
911 if (c->read->prev) { |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
346
diff
changeset
|
912 ngx_delete_posted_event(c->read); |
0526206251f6
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parents:
346
diff
changeset
|
913 } |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
346
diff
changeset
|
914 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
915 if (c->write->prev) { |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
916 ngx_delete_posted_event(c->write); |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
346
diff
changeset
|
917 } |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
918 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
346
diff
changeset
|
919 c->read->closed = 1; |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
920 c->write->closed = 1; |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
921 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
922 #endif |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
923 |
3880
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
924 ngx_reusable_connection(c, 0); |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
925 |
1917
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
926 log_error = c->log_error; |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
927 |
543 | 928 ngx_free_connection(c); |
929 | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
930 fd = c->fd; |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
931 c->fd = (ngx_socket_t) -1; |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
932 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
933 if (ngx_close_socket(fd) == -1) { |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
934 |
1917
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
935 err = ngx_socket_errno; |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
936 |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
937 if (err == NGX_ECONNRESET || err == NGX_ENOTCONN) { |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
938 |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
939 switch (log_error) { |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
940 |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
941 case NGX_ERROR_INFO: |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
942 level = NGX_LOG_INFO; |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
943 break; |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
944 |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
945 case NGX_ERROR_ERR: |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
946 level = NGX_LOG_ERR; |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
947 break; |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
948 |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
949 default: |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
950 level = NGX_LOG_CRIT; |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
951 } |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
952 |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
953 } else { |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
954 level = NGX_LOG_CRIT; |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
955 } |
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
956 |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
957 /* we use ngx_cycle->log because c->log was in c->pool */ |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
958 |
1917
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
959 ngx_log_error(level, ngx_cycle->log, err, |
1435 | 960 ngx_close_socket_n " %d failed", fd); |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
961 } |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
962 } |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
963 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
964 |
3880
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
965 void |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
966 ngx_reusable_connection(ngx_connection_t *c, ngx_uint_t reusable) |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
967 { |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
968 ngx_log_debug1(NGX_LOG_DEBUG_CORE, c->log, 0, |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
969 "reusable connection: %ui", reusable); |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
970 |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
971 if (c->reusable) { |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
972 ngx_queue_remove(&c->queue); |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
973 } |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
974 |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
975 c->reusable = reusable; |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
976 |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
977 if (reusable) { |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
978 /* need cast as ngx_cycle is volatile */ |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
979 |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
980 ngx_queue_insert_head( |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
981 (ngx_queue_t *) &ngx_cycle->reusable_connections_queue, &c->queue); |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
982 } |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
983 } |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
984 |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
985 |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
986 static void |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
987 ngx_drain_connections(void) |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
988 { |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
989 ngx_int_t i; |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
990 ngx_queue_t *q; |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
991 ngx_connection_t *c; |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
992 |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
993 for (i = 0; i < 32; i++) { |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
994 if (ngx_queue_empty(&ngx_cycle->reusable_connections_queue)) { |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
995 break; |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
996 } |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
997 |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
998 q = ngx_queue_last(&ngx_cycle->reusable_connections_queue); |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
999 c = ngx_queue_data(q, ngx_connection_t, queue); |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
1000 |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
1001 ngx_log_debug0(NGX_LOG_DEBUG_CORE, c->log, 0, |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
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parents:
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diff
changeset
|
1002 "reusing connection"); |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
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diff
changeset
|
1003 |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
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diff
changeset
|
1004 c->close = 1; |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
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parents:
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diff
changeset
|
1005 c->read->handler(c->read); |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
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parents:
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diff
changeset
|
1006 } |
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parents:
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changeset
|
1007 } |
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
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parents:
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diff
changeset
|
1008 |
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parents:
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diff
changeset
|
1009 |
521 | 1010 ngx_int_t |
2854
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ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1011 ngx_connection_local_sockaddr(ngx_connection_t *c, ngx_str_t *s, |
d788477f5a67
ngx_connection_local_sockaddr()
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|
1012 ngx_uint_t port) |
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ngx_connection_local_sockaddr()
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|
1013 { |
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ngx_connection_local_sockaddr()
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|
1014 socklen_t len; |
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ngx_connection_local_sockaddr()
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diff
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|
1015 ngx_uint_t addr; |
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ngx_connection_local_sockaddr()
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|
1016 u_char sa[NGX_SOCKADDRLEN]; |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1017 struct sockaddr_in *sin; |
d788477f5a67
ngx_connection_local_sockaddr()
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changeset
|
1018 #if (NGX_HAVE_INET6) |
d788477f5a67
ngx_connection_local_sockaddr()
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|
1019 ngx_uint_t i; |
d788477f5a67
ngx_connection_local_sockaddr()
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changeset
|
1020 struct sockaddr_in6 *sin6; |
d788477f5a67
ngx_connection_local_sockaddr()
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diff
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|
1021 #endif |
d788477f5a67
ngx_connection_local_sockaddr()
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|
1022 |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1023 switch (c->local_sockaddr->sa_family) { |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
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|
1024 |
d788477f5a67
ngx_connection_local_sockaddr()
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diff
changeset
|
1025 #if (NGX_HAVE_INET6) |
d788477f5a67
ngx_connection_local_sockaddr()
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|
1026 case AF_INET6: |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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changeset
|
1027 sin6 = (struct sockaddr_in6 *) c->local_sockaddr; |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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|
1028 |
d788477f5a67
ngx_connection_local_sockaddr()
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diff
changeset
|
1029 for (addr = 0, i = 0; addr == 0 && i < 16; i++) { |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1030 addr |= sin6->sin6_addr.s6_addr[i]; |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
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|
1031 } |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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changeset
|
1032 |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1033 break; |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1034 #endif |
d788477f5a67
ngx_connection_local_sockaddr()
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changeset
|
1035 |
d788477f5a67
ngx_connection_local_sockaddr()
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diff
changeset
|
1036 default: /* AF_INET */ |
d788477f5a67
ngx_connection_local_sockaddr()
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diff
changeset
|
1037 sin = (struct sockaddr_in *) c->local_sockaddr; |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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changeset
|
1038 addr = sin->sin_addr.s_addr; |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1039 break; |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1040 } |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1041 |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1042 if (addr == 0) { |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1043 |
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ngx_connection_local_sockaddr()
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diff
changeset
|
1044 len = NGX_SOCKADDRLEN; |
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ngx_connection_local_sockaddr()
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|
1045 |
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ngx_connection_local_sockaddr()
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diff
changeset
|
1046 if (getsockname(c->fd, (struct sockaddr *) &sa, &len) == -1) { |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1047 ngx_connection_error(c, ngx_socket_errno, "getsockname() failed"); |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
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|
1048 return NGX_ERROR; |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1049 } |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1050 |
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1051 c->local_sockaddr = ngx_palloc(c->pool, len); |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
1052 if (c->local_sockaddr == NULL) { |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
1053 return NGX_ERROR; |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1054 } |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1055 |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1056 ngx_memcpy(c->local_sockaddr, &sa, len); |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1057 } |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1058 |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
1059 if (s == NULL) { |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1060 return NGX_OK; |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1061 } |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
1062 |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
1063 s->len = ngx_sock_ntop(c->local_sockaddr, s->data, s->len, port); |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1064 |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1065 return NGX_OK; |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
1066 } |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
1067 |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
1068 |
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1069 ngx_int_t |
521 | 1070 ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text) |
253
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parents:
242
diff
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|
1071 { |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
256
diff
changeset
|
1072 ngx_uint_t level; |
253
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diff
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|
1073 |
2775 | 1074 /* Winsock may return NGX_ECONNABORTED instead of NGX_ECONNRESET */ |
2774
baad3036086e
Winsock uses ECONNABORTED instead of ECONNRESET
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1075 |
2775 | 1076 if ((err == NGX_ECONNRESET |
1077 #if (NGX_WIN32) | |
1078 || err == NGX_ECONNABORTED | |
2774
baad3036086e
Winsock uses ECONNABORTED instead of ECONNRESET
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1079 #endif |
2775 | 1080 ) && c->log_error == NGX_ERROR_IGNORE_ECONNRESET) |
2774
baad3036086e
Winsock uses ECONNABORTED instead of ECONNRESET
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1081 { |
253
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parents:
242
diff
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|
1082 return 0; |
b6793bc5034b
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242
diff
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|
1083 } |
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parents:
242
diff
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|
1084 |
2560
a7443674e429
ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
1085 #if (NGX_SOLARIS) |
a7443674e429
ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
1086 if (err == NGX_EINVAL && c->log_error == NGX_ERROR_IGNORE_EINVAL) { |
a7443674e429
ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
1087 return 0; |
a7443674e429
ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
1088 } |
a7443674e429
ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
1089 #endif |
a7443674e429
ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
1090 |
537 | 1091 if (err == 0 |
1092 || err == NGX_ECONNRESET | |
2774
baad3036086e
Winsock uses ECONNABORTED instead of ECONNRESET
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1093 #if (NGX_WIN32) |
baad3036086e
Winsock uses ECONNABORTED instead of ECONNRESET
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1094 || err == NGX_ECONNABORTED |
baad3036086e
Winsock uses ECONNABORTED instead of ECONNRESET
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1095 #else |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
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parents:
257
diff
changeset
|
1096 || err == NGX_EPIPE |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
1097 #endif |
288
f81d075ad172
nginx-0.0.2-2004-03-14-23:46:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
282
diff
changeset
|
1098 || err == NGX_ENOTCONN |
587 | 1099 || err == NGX_ETIMEDOUT |
288
f81d075ad172
nginx-0.0.2-2004-03-14-23:46:25 import
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parents:
282
diff
changeset
|
1100 || err == NGX_ECONNREFUSED |
1869
192443881e51
add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents:
1833
diff
changeset
|
1101 || err == NGX_ENETDOWN |
192443881e51
add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents:
1833
diff
changeset
|
1102 || err == NGX_ENETUNREACH |
192443881e51
add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents:
1833
diff
changeset
|
1103 || err == NGX_EHOSTDOWN |
288
f81d075ad172
nginx-0.0.2-2004-03-14-23:46:25 import
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parents:
282
diff
changeset
|
1104 || err == NGX_EHOSTUNREACH) |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
1105 { |
256
8e39cab6abd5
nginx-0.0.2-2004-02-10-19:23:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
253
diff
changeset
|
1106 switch (c->log_error) { |
253
b6793bc5034b
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parents:
242
diff
changeset
|
1107 |
2560
a7443674e429
ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
1108 case NGX_ERROR_IGNORE_EINVAL: |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
256
diff
changeset
|
1109 case NGX_ERROR_IGNORE_ECONNRESET: |
253
b6793bc5034b
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parents:
242
diff
changeset
|
1110 case NGX_ERROR_INFO: |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
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parents:
242
diff
changeset
|
1111 level = NGX_LOG_INFO; |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
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parents:
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diff
changeset
|
1112 break; |
b6793bc5034b
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242
diff
changeset
|
1113 |
3151
ad3ddfd06e7d
low default connection errors level from alert to error
Igor Sysoev <igor@sysoev.ru>
parents:
2928
diff
changeset
|
1114 default: |
253
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parents:
242
diff
changeset
|
1115 level = NGX_LOG_ERR; |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
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parents:
242
diff
changeset
|
1116 } |
b6793bc5034b
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242
diff
changeset
|
1117 |
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parents:
242
diff
changeset
|
1118 } else { |
1917
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
1119 level = NGX_LOG_ALERT; |
253
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242
diff
changeset
|
1120 } |
b6793bc5034b
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242
diff
changeset
|
1121 |
b6793bc5034b
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parents:
242
diff
changeset
|
1122 ngx_log_error(level, c->log, err, text); |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
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1123 |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
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1124 return NGX_ERROR; |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1125 } |