Mercurial > hg > nginx
annotate src/core/ngx_connection.c @ 4323:c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
The "so_keepalive" directive in mail module was deprecated.
Thanks to Vsevolod Stakhov for initial work.
| author | Valentin Bartenev <vbart@nginx.com> |
|---|---|
| date | Mon, 05 Dec 2011 08:06:15 +0000 |
| parents | b044d6553d52 |
| children | d620f497c50f |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
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11 |
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12 ngx_os_io_t ngx_io; |
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13 |
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14 |
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15 static void ngx_drain_connections(void); |
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16 |
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17 |
| 2806 | 18 ngx_listening_t * |
| 19 ngx_create_listening(ngx_conf_t *cf, void *sockaddr, socklen_t socklen) | |
| 20 { | |
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21 size_t len; |
| 2806 | 22 ngx_listening_t *ls; |
| 23 struct sockaddr *sa; | |
| 24 u_char text[NGX_SOCKADDR_STRLEN]; | |
| 25 | |
| 26 ls = ngx_array_push(&cf->cycle->listening); | |
| 27 if (ls == NULL) { | |
| 28 return NULL; | |
| 29 } | |
| 30 | |
| 31 ngx_memzero(ls, sizeof(ngx_listening_t)); | |
| 32 | |
| 33 sa = ngx_palloc(cf->pool, socklen); | |
| 34 if (sa == NULL) { | |
| 35 return NULL; | |
| 36 } | |
| 37 | |
| 38 ngx_memcpy(sa, sockaddr, socklen); | |
| 39 | |
| 40 ls->sockaddr = sa; | |
| 41 ls->socklen = socklen; | |
| 42 | |
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43 len = ngx_sock_ntop(sa, text, NGX_SOCKADDR_STRLEN, 1); |
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44 ls->addr_text.len = len; |
| 2806 | 45 |
| 46 switch (ls->sockaddr->sa_family) { | |
| 47 #if (NGX_HAVE_INET6) | |
| 48 case AF_INET6: | |
| 49 ls->addr_text_max_len = NGX_INET6_ADDRSTRLEN; | |
| 50 break; | |
| 51 #endif | |
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52 #if (NGX_HAVE_UNIX_DOMAIN) |
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53 case AF_UNIX: |
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54 ls->addr_text_max_len = NGX_UNIX_ADDRSTRLEN; |
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55 len++; |
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56 break; |
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57 #endif |
| 2806 | 58 case AF_INET: |
| 59 ls->addr_text_max_len = NGX_INET_ADDRSTRLEN; | |
| 60 break; | |
| 61 default: | |
| 62 ls->addr_text_max_len = NGX_SOCKADDR_STRLEN; | |
| 63 break; | |
| 64 } | |
| 65 | |
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66 ls->addr_text.data = ngx_pnalloc(cf->pool, len); |
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67 if (ls->addr_text.data == NULL) { |
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68 return NULL; |
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69 } |
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70 |
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71 ngx_memcpy(ls->addr_text.data, text, len); |
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72 |
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73 ls->fd = (ngx_socket_t) -1; |
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74 ls->type = SOCK_STREAM; |
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75 |
| 2806 | 76 ls->backlog = NGX_LISTEN_BACKLOG; |
| 77 ls->rcvbuf = -1; | |
| 78 ls->sndbuf = -1; | |
| 79 | |
| 3676 | 80 #if (NGX_HAVE_SETFIB) |
| 81 ls->setfib = -1; | |
| 82 #endif | |
| 83 | |
| 2806 | 84 return ls; |
| 85 } | |
| 86 | |
| 87 | |
| 521 | 88 ngx_int_t |
| 89 ngx_set_inherited_sockets(ngx_cycle_t *cycle) | |
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90 { |
| 523 | 91 size_t len; |
| 92 ngx_uint_t i; | |
| 93 ngx_listening_t *ls; | |
| 563 | 94 socklen_t olen; |
| 523 | 95 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) |
| 541 | 96 ngx_err_t err; |
| 523 | 97 struct accept_filter_arg af; |
| 98 #endif | |
| 99 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) | |
| 100 int timeout; | |
| 101 #endif | |
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102 |
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103 ls = cycle->listening.elts; |
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104 for (i = 0; i < cycle->listening.nelts; i++) { |
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105 |
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106 ls[i].sockaddr = ngx_palloc(cycle->pool, NGX_SOCKADDRLEN); |
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107 if (ls[i].sockaddr == NULL) { |
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108 return NGX_ERROR; |
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109 } |
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110 |
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111 ls[i].socklen = NGX_SOCKADDRLEN; |
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112 if (getsockname(ls[i].fd, ls[i].sockaddr, &ls[i].socklen) == -1) { |
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113 ngx_log_error(NGX_LOG_CRIT, cycle->log, ngx_socket_errno, |
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114 "getsockname() of the inherited " |
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115 "socket #%d failed", ls[i].fd); |
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116 ls[i].ignore = 1; |
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117 continue; |
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118 } |
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119 |
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120 switch (ls[i].sockaddr->sa_family) { |
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121 |
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122 #if (NGX_HAVE_INET6) |
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123 case AF_INET6: |
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124 ls[i].addr_text_max_len = NGX_INET6_ADDRSTRLEN; |
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125 len = NGX_INET6_ADDRSTRLEN + sizeof(":65535") - 1; |
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126 break; |
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127 #endif |
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128 |
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129 #if (NGX_HAVE_UNIX_DOMAIN) |
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130 case AF_UNIX: |
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131 ls[i].addr_text_max_len = NGX_UNIX_ADDRSTRLEN; |
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132 len = NGX_UNIX_ADDRSTRLEN; |
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133 break; |
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134 #endif |
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135 |
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136 case AF_INET: |
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137 ls[i].addr_text_max_len = NGX_INET_ADDRSTRLEN; |
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138 len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1; |
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139 break; |
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140 |
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141 default: |
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142 ngx_log_error(NGX_LOG_CRIT, cycle->log, ngx_socket_errno, |
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143 "the inherited socket #%d has " |
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144 "an unsupported protocol family", ls[i].fd); |
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145 ls[i].ignore = 1; |
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146 continue; |
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147 } |
| 461 | 148 |
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149 ls[i].addr_text.data = ngx_pnalloc(cycle->pool, len); |
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150 if (ls[i].addr_text.data == NULL) { |
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151 return NGX_ERROR; |
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152 } |
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153 |
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154 len = ngx_sock_ntop(ls[i].sockaddr, ls[i].addr_text.data, len, 1); |
| 461 | 155 if (len == 0) { |
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156 return NGX_ERROR; |
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157 } |
| 461 | 158 |
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159 ls[i].addr_text.len = len; |
| 523 | 160 |
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161 ls[i].backlog = NGX_LISTEN_BACKLOG; |
| 537 | 162 |
| 563 | 163 olen = sizeof(int); |
| 164 | |
| 165 if (getsockopt(ls[i].fd, SOL_SOCKET, SO_RCVBUF, (void *) &ls[i].rcvbuf, | |
| 166 &olen) | |
| 167 == -1) | |
| 168 { | |
| 169 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
| 170 "getsockopt(SO_RCVBUF) %V failed, ignored", | |
| 171 &ls[i].addr_text); | |
| 172 | |
| 173 ls[i].rcvbuf = -1; | |
| 174 } | |
| 175 | |
| 176 olen = sizeof(int); | |
| 177 | |
| 178 if (getsockopt(ls[i].fd, SOL_SOCKET, SO_SNDBUF, (void *) &ls[i].sndbuf, | |
| 179 &olen) | |
| 180 == -1) | |
| 181 { | |
| 182 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
| 183 "getsockopt(SO_SNDBUF) %V failed, ignored", | |
| 184 &ls[i].addr_text); | |
| 185 | |
| 186 ls[i].sndbuf = -1; | |
| 187 } | |
| 188 | |
| 3676 | 189 #if 0 |
| 190 /* SO_SETFIB is currently a set only option */ | |
| 191 | |
| 192 #if (NGX_HAVE_SETFIB) | |
| 193 | |
| 194 if (getsockopt(ls[i].setfib, SOL_SOCKET, SO_SETFIB, | |
| 195 (void *) &ls[i].setfib, &olen) | |
| 196 == -1) | |
| 197 { | |
| 198 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
| 199 "getsockopt(SO_SETFIB) %V failed, ignored", | |
| 200 &ls[i].addr_text); | |
| 201 | |
| 202 ls[i].setfib = -1; | |
| 203 } | |
| 204 | |
| 205 #endif | |
| 206 #endif | |
| 207 | |
| 523 | 208 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) |
| 209 | |
| 210 ngx_memzero(&af, sizeof(struct accept_filter_arg)); | |
| 563 | 211 olen = sizeof(struct accept_filter_arg); |
| 523 | 212 |
| 563 | 213 if (getsockopt(ls[i].fd, SOL_SOCKET, SO_ACCEPTFILTER, &af, &olen) |
| 523 | 214 == -1) |
| 215 { | |
| 541 | 216 err = ngx_errno; |
| 217 | |
| 218 if (err == NGX_EINVAL) { | |
| 219 continue; | |
| 220 } | |
| 221 | |
| 222 ngx_log_error(NGX_LOG_NOTICE, cycle->log, err, | |
| 523 | 223 "getsockopt(SO_ACCEPTFILTER) for %V failed, ignored", |
| 224 &ls[i].addr_text); | |
| 225 continue; | |
| 226 } | |
| 227 | |
| 563 | 228 if (olen < sizeof(struct accept_filter_arg) || af.af_name[0] == '\0') { |
| 523 | 229 continue; |
| 230 } | |
| 231 | |
| 232 ls[i].accept_filter = ngx_palloc(cycle->pool, 16); | |
| 233 if (ls[i].accept_filter == NULL) { | |
| 234 return NGX_ERROR; | |
| 235 } | |
| 236 | |
| 237 (void) ngx_cpystrn((u_char *) ls[i].accept_filter, | |
| 238 (u_char *) af.af_name, 16); | |
| 239 #endif | |
| 240 | |
| 241 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) | |
| 242 | |
| 243 timeout = 0; | |
| 563 | 244 olen = sizeof(int); |
| 523 | 245 |
| 563 | 246 if (getsockopt(ls[i].fd, IPPROTO_TCP, TCP_DEFER_ACCEPT, &timeout, &olen) |
| 523 | 247 == -1) |
| 248 { | |
| 249 ngx_log_error(NGX_LOG_NOTICE, cycle->log, ngx_errno, | |
| 250 "getsockopt(TCP_DEFER_ACCEPT) for %V failed, ignored", | |
| 251 &ls[i].addr_text); | |
| 252 continue; | |
| 253 } | |
| 254 | |
| 565 | 255 if (olen < sizeof(int) || timeout == 0) { |
| 523 | 256 continue; |
| 257 } | |
| 258 | |
| 259 ls[i].deferred_accept = 1; | |
| 260 #endif | |
|
218
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261 } |
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262 |
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263 return NGX_OK; |
|
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264 } |
|
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265 |
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266 |
| 521 | 267 ngx_int_t |
| 268 ngx_open_listening_sockets(ngx_cycle_t *cycle) | |
|
218
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269 { |
| 563 | 270 int reuseaddr; |
| 271 ngx_uint_t i, tries, failed; | |
|
253
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242
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272 ngx_err_t err; |
|
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242
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273 ngx_log_t *log; |
|
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274 ngx_socket_t s; |
|
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275 ngx_listening_t *ls; |
|
218
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276 |
|
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277 reuseaddr = 1; |
|
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278 #if (NGX_SUPPRESS_WARN) |
|
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279 failed = 0; |
|
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280 #endif |
|
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281 |
|
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282 log = cycle->log; |
|
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283 |
| 563 | 284 /* TODO: configurable try number */ |
|
218
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285 |
| 2024 | 286 for (tries = 5; tries; tries--) { |
|
218
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287 failed = 0; |
|
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288 |
|
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289 /* for each listening socket */ |
|
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290 |
|
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291 ls = cycle->listening.elts; |
|
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292 for (i = 0; i < cycle->listening.nelts; i++) { |
|
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293 |
|
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|
294 if (ls[i].ignore) { |
|
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295 continue; |
|
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296 } |
|
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297 |
|
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298 if (ls[i].fd != -1) { |
|
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299 continue; |
|
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300 } |
|
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parents:
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301 |
|
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|
302 if (ls[i].inherited) { |
|
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303 |
|
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304 /* TODO: close on exit */ |
|
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305 /* TODO: nonblocking */ |
|
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306 /* TODO: deferred accept */ |
|
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307 |
|
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308 continue; |
|
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309 } |
|
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310 |
|
2198
5975975eedc0
ngx_sock_ntop() takes family from sockaddr, remove duplicate field
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2197
diff
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|
311 s = ngx_socket(ls[i].sockaddr->sa_family, ls[i].type, 0); |
|
218
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312 |
|
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313 if (s == -1) { |
|
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314 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
| 461 | 315 ngx_socket_n " %V failed", &ls[i].addr_text); |
|
218
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316 return NGX_ERROR; |
|
05592fd7a436
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317 } |
|
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318 |
|
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|
319 if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, |
| 563 | 320 (const void *) &reuseaddr, sizeof(int)) |
| 321 == -1) | |
| 322 { | |
|
218
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323 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
| 461 | 324 "setsockopt(SO_REUSEADDR) %V failed", |
| 325 &ls[i].addr_text); | |
| 563 | 326 |
| 1223 | 327 if (ngx_close_socket(s) == -1) { |
| 563 | 328 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
| 329 ngx_close_socket_n " %V failed", | |
| 330 &ls[i].addr_text); | |
| 1223 | 331 } |
| 563 | 332 |
|
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333 return NGX_ERROR; |
|
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|
334 } |
|
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|
335 |
| 2562 | 336 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
| 337 | |
| 338 if (ls[i].sockaddr->sa_family == AF_INET6 && ls[i].ipv6only) { | |
| 339 int ipv6only; | |
| 340 | |
| 341 ipv6only = (ls[i].ipv6only == 1); | |
| 342 | |
| 343 if (setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, | |
| 344 (const void *) &ipv6only, sizeof(int)) | |
| 345 == -1) | |
| 346 { | |
| 2801 | 347 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
| 2562 | 348 "setsockopt(IPV6_V6ONLY) %V failed, ignored", |
| 349 &ls[i].addr_text); | |
| 350 } | |
| 351 } | |
| 352 #endif | |
|
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353 /* TODO: close on exit */ |
|
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diff
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354 |
|
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|
355 if (!(ngx_event_flags & NGX_USE_AIO_EVENT)) { |
|
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|
356 if (ngx_nonblocking(s) == -1) { |
|
05592fd7a436
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|
357 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
| 461 | 358 ngx_nonblocking_n " %V failed", |
| 359 &ls[i].addr_text); | |
| 563 | 360 |
| 1223 | 361 if (ngx_close_socket(s) == -1) { |
| 563 | 362 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
| 363 ngx_close_socket_n " %V failed", | |
| 364 &ls[i].addr_text); | |
| 1223 | 365 } |
| 563 | 366 |
|
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367 return NGX_ERROR; |
|
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|
368 } |
|
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|
369 } |
|
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|
370 |
| 2801 | 371 ngx_log_debug2(NGX_LOG_DEBUG_CORE, log, 0, |
| 593 | 372 "bind() %V #%d ", &ls[i].addr_text, s); |
| 373 | |
|
218
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374 if (bind(s, ls[i].sockaddr, ls[i].socklen) == -1) { |
|
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|
375 err = ngx_socket_errno; |
| 563 | 376 |
| 377 if (err == NGX_EADDRINUSE && ngx_test_config) { | |
| 378 continue; | |
| 379 } | |
| 380 | |
|
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|
381 ngx_log_error(NGX_LOG_EMERG, log, err, |
| 461 | 382 "bind() to %V failed", &ls[i].addr_text); |
|
218
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383 |
| 1223 | 384 if (ngx_close_socket(s) == -1) { |
|
218
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|
385 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
| 461 | 386 ngx_close_socket_n " %V failed", |
| 387 &ls[i].addr_text); | |
| 1223 | 388 } |
|
218
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|
389 |
| 563 | 390 if (err != NGX_EADDRINUSE) { |
| 391 return NGX_ERROR; | |
| 392 } | |
| 393 | |
|
218
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394 failed = 1; |
| 563 | 395 |
|
218
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396 continue; |
|
05592fd7a436
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diff
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|
397 } |
|
05592fd7a436
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diff
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|
398 |
|
3260
a6df0624203c
unlink unix domain socket file after testing
Igor Sysoev <igor@sysoev.ru>
parents:
3230
diff
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|
399 #if (NGX_HAVE_UNIX_DOMAIN) |
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400 |
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401 if (ls[i].sockaddr->sa_family == AF_UNIX) { |
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402 mode_t mode; |
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403 u_char *name; |
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404 |
|
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405 name = ls[i].addr_text.data + sizeof("unix:") - 1; |
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406 mode = (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH); |
|
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407 |
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408 if (chmod((char *) name, mode) == -1) { |
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409 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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410 "chmod() \"%s\" failed", name); |
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411 } |
|
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412 |
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413 if (ngx_test_config) { |
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414 if (ngx_delete_file(name) == -1) { |
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415 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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416 ngx_delete_file_n " %s failed", name); |
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417 } |
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418 } |
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419 } |
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420 #endif |
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421 |
|
1224
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422 if (listen(s, ls[i].backlog) == -1) { |
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423 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
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424 "listen() to %V, backlog %d failed", |
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425 &ls[i].addr_text, ls[i].backlog); |
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426 |
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427 if (ngx_close_socket(s) == -1) { |
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428 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
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429 ngx_close_socket_n " %V failed", |
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430 &ls[i].addr_text); |
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431 } |
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432 |
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433 return NGX_ERROR; |
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434 } |
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435 |
| 563 | 436 ls[i].listen = 1; |
|
218
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437 |
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438 ls[i].fd = s; |
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439 } |
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440 |
| 563 | 441 if (!failed) { |
|
218
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442 break; |
| 563 | 443 } |
|
218
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444 |
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445 /* TODO: delay configurable */ |
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446 |
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447 ngx_log_error(NGX_LOG_NOTICE, log, 0, |
|
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448 "try again to bind() after 500ms"); |
| 563 | 449 |
|
218
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450 ngx_msleep(500); |
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451 } |
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452 |
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453 if (failed) { |
| 477 | 454 ngx_log_error(NGX_LOG_EMERG, log, 0, "still could not bind()"); |
|
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455 return NGX_ERROR; |
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456 } |
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457 |
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458 return NGX_OK; |
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459 } |
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460 |
|
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461 |
| 521 | 462 void |
| 2802 | 463 ngx_configure_listening_sockets(ngx_cycle_t *cycle) |
| 563 | 464 { |
|
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465 int keepalive; |
| 563 | 466 ngx_uint_t i; |
| 467 ngx_listening_t *ls; | |
| 468 | |
| 469 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) | |
| 470 struct accept_filter_arg af; | |
| 471 #endif | |
| 472 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) | |
| 473 int timeout; | |
| 474 #endif | |
| 475 | |
| 476 ls = cycle->listening.elts; | |
| 477 for (i = 0; i < cycle->listening.nelts; i++) { | |
| 478 | |
|
2803
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479 ls[i].log = *ls[i].logp; |
|
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480 |
| 563 | 481 if (ls[i].rcvbuf != -1) { |
| 482 if (setsockopt(ls[i].fd, SOL_SOCKET, SO_RCVBUF, | |
| 483 (const void *) &ls[i].rcvbuf, sizeof(int)) | |
| 484 == -1) | |
| 485 { | |
| 486 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
| 569 | 487 "setsockopt(SO_RCVBUF, %d) %V failed, ignored", |
| 488 ls[i].rcvbuf, &ls[i].addr_text); | |
| 563 | 489 } |
| 490 } | |
| 491 | |
| 492 if (ls[i].sndbuf != -1) { | |
| 493 if (setsockopt(ls[i].fd, SOL_SOCKET, SO_SNDBUF, | |
| 494 (const void *) &ls[i].sndbuf, sizeof(int)) | |
| 495 == -1) | |
| 496 { | |
| 497 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
| 569 | 498 "setsockopt(SO_SNDBUF, %d) %V failed, ignored", |
| 499 ls[i].sndbuf, &ls[i].addr_text); | |
| 563 | 500 } |
| 501 } | |
| 502 | |
|
4323
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|
503 if (ls[i].keepalive) { |
|
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|
504 keepalive = (ls[i].keepalive == 1) ? 1 : 0; |
|
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|
505 |
|
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|
506 if (setsockopt(ls[i].fd, SOL_SOCKET, SO_KEEPALIVE, |
|
c4513d4dd024
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|
507 (const void *) &keepalive, sizeof(int)) |
|
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|
508 == -1) |
|
c4513d4dd024
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|
509 { |
|
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|
510 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, |
|
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|
511 "setsockopt(SO_KEEPALIVE, %d) %V failed, ignored", |
|
c4513d4dd024
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|
512 keepalive, &ls[i].addr_text); |
|
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|
513 } |
|
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|
514 } |
|
c4513d4dd024
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|
515 |
|
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|
516 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
|
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|
517 |
|
c4513d4dd024
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diff
changeset
|
518 if (ls[i].keepidle) { |
|
c4513d4dd024
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|
519 if (setsockopt(ls[i].fd, IPPROTO_TCP, TCP_KEEPIDLE, |
|
c4513d4dd024
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|
520 (const void *) &ls[i].keepidle, sizeof(int)) |
|
c4513d4dd024
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|
521 == -1) |
|
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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|
522 { |
|
c4513d4dd024
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|
523 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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diff
changeset
|
524 "setsockopt(TCP_KEEPIDLE, %d) %V failed, ignored", |
|
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
changeset
|
525 ls[i].keepidle, &ls[i].addr_text); |
|
c4513d4dd024
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|
526 } |
|
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
changeset
|
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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diff
changeset
|
529 if (ls[i].keepintvl) { |
|
c4513d4dd024
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diff
changeset
|
530 if (setsockopt(ls[i].fd, IPPROTO_TCP, TCP_KEEPINTVL, |
|
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
changeset
|
531 (const void *) &ls[i].keepintvl, sizeof(int)) |
|
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
changeset
|
532 == -1) |
|
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
changeset
|
533 { |
|
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
changeset
|
534 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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diff
changeset
|
535 "setsockopt(TCP_KEEPINTVL, %d) %V failed, ignored", |
|
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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4016
diff
changeset
|
536 ls[i].keepintvl, &ls[i].addr_text); |
|
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
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|
537 } |
|
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
changeset
|
538 } |
|
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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diff
changeset
|
539 |
|
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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4016
diff
changeset
|
540 if (ls[i].keepcnt) { |
|
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541 if (setsockopt(ls[i].fd, IPPROTO_TCP, TCP_KEEPCNT, |
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542 (const void *) &ls[i].keepcnt, sizeof(int)) |
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543 == -1) |
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544 { |
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545 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, |
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546 "setsockopt(TCP_KEEPCNT, %d) %V failed, ignored", |
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547 ls[i].keepcnt, &ls[i].addr_text); |
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548 } |
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549 } |
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550 |
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551 #endif |
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552 |
| 3676 | 553 #if (NGX_HAVE_SETFIB) |
| 554 if (ls[i].setfib != -1) { | |
| 555 if (setsockopt(ls[i].fd, SOL_SOCKET, SO_SETFIB, | |
| 556 (const void *) &ls[i].setfib, sizeof(int)) | |
| 557 == -1) | |
| 558 { | |
| 559 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
| 560 "setsockopt(SO_SETFIB, %d) %V failed, ignored", | |
| 561 ls[i].setfib, &ls[i].addr_text); | |
| 562 } | |
| 563 } | |
| 564 #endif | |
| 565 | |
| 635 | 566 #if 0 |
| 567 if (1) { | |
| 568 int tcp_nodelay = 1; | |
| 569 | |
| 570 if (setsockopt(ls[i].fd, IPPROTO_TCP, TCP_NODELAY, | |
| 571 (const void *) &tcp_nodelay, sizeof(int)) | |
| 572 == -1) | |
| 573 { | |
| 574 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
| 575 "setsockopt(TCP_NODELAY) %V failed, ignored", | |
| 576 &ls[i].addr_text); | |
| 577 } | |
| 578 } | |
| 579 #endif | |
| 580 | |
| 563 | 581 if (ls[i].listen) { |
| 1225 | 582 |
| 583 /* change backlog via listen() */ | |
| 584 | |
| 563 | 585 if (listen(ls[i].fd, ls[i].backlog) == -1) { |
| 586 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_socket_errno, | |
| 1222 | 587 "listen() to %V, backlog %d failed, ignored", |
| 588 &ls[i].addr_text, ls[i].backlog); | |
| 563 | 589 } |
| 590 } | |
| 591 | |
| 592 /* | |
| 593 * setting deferred mode should be last operation on socket, | |
| 594 * because code may prematurely continue cycle on failure | |
| 595 */ | |
| 596 | |
| 597 #if (NGX_HAVE_DEFERRED_ACCEPT) | |
| 598 | |
| 599 #ifdef SO_ACCEPTFILTER | |
| 600 | |
| 627 | 601 if (ls[i].delete_deferred) { |
| 602 if (setsockopt(ls[i].fd, SOL_SOCKET, SO_ACCEPTFILTER, NULL, 0) | |
| 603 == -1) | |
| 563 | 604 { |
| 605 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 606 "setsockopt(SO_ACCEPTFILTER, NULL) " | |
| 607 "for %V failed, ignored", | |
| 627 | 608 &ls[i].addr_text); |
| 563 | 609 |
| 627 | 610 if (ls[i].accept_filter) { |
| 563 | 611 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
| 612 "could not change the accept filter " | |
| 613 "to \"%s\" for %V, ignored", | |
| 627 | 614 ls[i].accept_filter, &ls[i].addr_text); |
| 563 | 615 } |
| 616 | |
| 617 continue; | |
| 618 } | |
| 619 | |
| 627 | 620 ls[i].deferred_accept = 0; |
| 563 | 621 } |
| 622 | |
| 627 | 623 if (ls[i].add_deferred) { |
| 563 | 624 ngx_memzero(&af, sizeof(struct accept_filter_arg)); |
| 625 (void) ngx_cpystrn((u_char *) af.af_name, | |
| 627 | 626 (u_char *) ls[i].accept_filter, 16); |
| 563 | 627 |
| 627 | 628 if (setsockopt(ls[i].fd, SOL_SOCKET, SO_ACCEPTFILTER, |
| 563 | 629 &af, sizeof(struct accept_filter_arg)) |
| 630 == -1) | |
| 631 { | |
| 632 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 633 "setsockopt(SO_ACCEPTFILTER, \"%s\") " | |
|
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634 "for %V failed, ignored", |
| 627 | 635 ls[i].accept_filter, &ls[i].addr_text); |
| 563 | 636 continue; |
| 637 } | |
| 638 | |
| 627 | 639 ls[i].deferred_accept = 1; |
| 563 | 640 } |
| 641 | |
| 642 #endif | |
| 643 | |
| 644 #ifdef TCP_DEFER_ACCEPT | |
| 645 | |
| 627 | 646 if (ls[i].add_deferred || ls[i].delete_deferred) { |
| 563 | 647 |
| 627 | 648 if (ls[i].add_deferred) { |
| 649 timeout = (int) (ls[i].post_accept_timeout / 1000); | |
| 563 | 650 |
| 651 } else { | |
| 652 timeout = 0; | |
| 653 } | |
| 654 | |
| 627 | 655 if (setsockopt(ls[i].fd, IPPROTO_TCP, TCP_DEFER_ACCEPT, |
| 563 | 656 &timeout, sizeof(int)) |
| 657 == -1) | |
| 658 { | |
| 659 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 660 "setsockopt(TCP_DEFER_ACCEPT, %d) for %V failed, " | |
| 661 "ignored", | |
| 627 | 662 timeout, &ls[i].addr_text); |
| 563 | 663 |
| 664 continue; | |
| 665 } | |
| 666 } | |
| 667 | |
| 627 | 668 if (ls[i].add_deferred) { |
| 669 ls[i].deferred_accept = 1; | |
| 563 | 670 } |
| 671 | |
| 672 #endif | |
| 673 | |
| 674 #endif /* NGX_HAVE_DEFERRED_ACCEPT */ | |
| 675 } | |
| 676 | |
| 677 return; | |
| 678 } | |
| 679 | |
| 680 | |
| 681 void | |
| 521 | 682 ngx_close_listening_sockets(ngx_cycle_t *cycle) |
|
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683 { |
| 543 | 684 ngx_uint_t i; |
| 685 ngx_listening_t *ls; | |
| 686 ngx_connection_t *c; | |
|
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687 |
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688 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
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689 return; |
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690 } |
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691 |
|
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692 ngx_accept_mutex_held = 0; |
| 611 | 693 ngx_use_accept_mutex = 0; |
|
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694 |
|
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695 ls = cycle->listening.elts; |
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696 for (i = 0; i < cycle->listening.nelts; i++) { |
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697 |
| 543 | 698 c = ls[i].connection; |
|
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699 |
| 2725 | 700 if (c) { |
| 701 if (c->read->active) { | |
| 702 if (ngx_event_flags & NGX_USE_RTSIG_EVENT) { | |
| 703 ngx_del_conn(c, NGX_CLOSE_EVENT); | |
|
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704 |
| 2725 | 705 } else if (ngx_event_flags & NGX_USE_EPOLL_EVENT) { |
|
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706 |
| 2725 | 707 /* |
| 708 * it seems that Linux-2.6.x OpenVZ sends events | |
| 709 * for closed shared listening sockets unless | |
| 710 * the events was explicity deleted | |
| 711 */ | |
|
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712 |
| 2725 | 713 ngx_del_event(c->read, NGX_READ_EVENT, 0); |
|
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714 |
| 2725 | 715 } else { |
| 716 ngx_del_event(c->read, NGX_READ_EVENT, NGX_CLOSE_EVENT); | |
| 717 } | |
|
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718 } |
| 2725 | 719 |
| 720 ngx_free_connection(c); | |
| 721 | |
| 722 c->fd = (ngx_socket_t) -1; | |
|
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723 } |
|
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724 |
| 563 | 725 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0, |
| 726 "close listening %V #%d ", &ls[i].addr_text, ls[i].fd); | |
| 727 | |
| 543 | 728 if (ngx_close_socket(ls[i].fd) == -1) { |
|
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729 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno, |
| 461 | 730 ngx_close_socket_n " %V failed", &ls[i].addr_text); |
|
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731 } |
| 2928 | 732 |
|
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733 #if (NGX_HAVE_UNIX_DOMAIN) |
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734 |
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735 if (ls[i].sockaddr->sa_family == AF_UNIX |
|
3358
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parents:
3292
diff
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736 && ngx_process <= NGX_PROCESS_MASTER |
|
3261
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737 && ngx_new_binary == 0) |
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738 { |
|
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739 u_char *name = ls[i].addr_text.data + sizeof("unix:") - 1; |
|
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740 |
|
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741 if (ngx_delete_file(name) == -1) { |
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742 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno, |
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743 ngx_delete_file_n " %s failed", name); |
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744 } |
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745 } |
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746 |
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747 #endif |
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748 |
| 2928 | 749 ls[i].fd = (ngx_socket_t) -1; |
| 543 | 750 } |
| 751 } | |
|
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752 |
| 543 | 753 |
| 754 ngx_connection_t * | |
| 755 ngx_get_connection(ngx_socket_t s, ngx_log_t *log) | |
| 756 { | |
| 561 | 757 ngx_uint_t instance; |
| 758 ngx_event_t *rev, *wev; | |
| 759 ngx_connection_t *c; | |
| 543 | 760 |
| 761 /* disable warning: Win32 SOCKET is u_int while UNIX socket is int */ | |
| 762 | |
| 763 if (ngx_cycle->files && (ngx_uint_t) s >= ngx_cycle->files_n) { | |
| 764 ngx_log_error(NGX_LOG_ALERT, log, 0, | |
| 765 "the new socket has number %d, " | |
| 766 "but only %ui files are available", | |
| 767 s, ngx_cycle->files_n); | |
| 768 return NULL; | |
| 769 } | |
| 770 | |
| 771 /* ngx_mutex_lock */ | |
| 772 | |
| 773 c = ngx_cycle->free_connections; | |
| 774 | |
| 775 if (c == NULL) { | |
|
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776 ngx_drain_connections(); |
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777 c = ngx_cycle->free_connections; |
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778 } |
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779 |
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780 if (c == NULL) { |
| 543 | 781 ngx_log_error(NGX_LOG_ALERT, log, 0, |
| 2254 | 782 "%ui worker_connections are not enough", |
| 543 | 783 ngx_cycle->connection_n); |
| 784 | |
| 785 /* ngx_mutex_unlock */ | |
| 786 | |
| 787 return NULL; | |
| 788 } | |
| 789 | |
| 790 ngx_cycle->free_connections = c->data; | |
| 791 ngx_cycle->free_connection_n--; | |
| 792 | |
| 793 /* ngx_mutex_unlock */ | |
| 794 | |
| 795 if (ngx_cycle->files) { | |
| 796 ngx_cycle->files[s] = c; | |
| 797 } | |
| 798 | |
| 561 | 799 rev = c->read; |
| 800 wev = c->write; | |
| 801 | |
| 802 ngx_memzero(c, sizeof(ngx_connection_t)); | |
| 803 | |
| 804 c->read = rev; | |
| 805 c->write = wev; | |
| 806 c->fd = s; | |
| 807 c->log = log; | |
| 808 | |
| 809 instance = rev->instance; | |
| 810 | |
| 811 ngx_memzero(rev, sizeof(ngx_event_t)); | |
| 812 ngx_memzero(wev, sizeof(ngx_event_t)); | |
| 813 | |
| 814 rev->instance = !instance; | |
| 815 wev->instance = !instance; | |
| 816 | |
| 817 rev->index = NGX_INVALID_INDEX; | |
| 818 wev->index = NGX_INVALID_INDEX; | |
| 819 | |
| 820 rev->data = c; | |
| 821 wev->data = c; | |
| 822 | |
| 823 wev->write = 1; | |
| 824 | |
| 543 | 825 return c; |
| 826 } | |
| 827 | |
| 828 | |
| 829 void | |
| 830 ngx_free_connection(ngx_connection_t *c) | |
| 831 { | |
| 832 /* ngx_mutex_lock */ | |
| 833 | |
| 834 c->data = ngx_cycle->free_connections; | |
| 835 ngx_cycle->free_connections = c; | |
| 836 ngx_cycle->free_connection_n++; | |
| 837 | |
| 838 /* ngx_mutex_unlock */ | |
| 839 | |
| 840 if (ngx_cycle->files) { | |
| 841 ngx_cycle->files[c->fd] = NULL; | |
|
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842 } |
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843 } |
|
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844 |
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845 |
| 521 | 846 void |
| 847 ngx_close_connection(ngx_connection_t *c) | |
|
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|
848 { |
|
1917
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|
849 ngx_err_t err; |
|
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|
850 ngx_uint_t log_error, level; |
|
417
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|
851 ngx_socket_t fd; |
|
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|
852 |
| 479 | 853 if (c->fd == -1) { |
|
417
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|
854 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "connection already closed"); |
|
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|
855 return; |
|
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|
856 } |
|
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|
857 |
|
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|
858 if (c->read->timer_set) { |
|
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|
859 ngx_del_timer(c->read); |
|
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|
860 } |
| 577 | 861 |
|
417
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|
862 if (c->write->timer_set) { |
|
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|
863 ngx_del_timer(c->write); |
|
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|
864 } |
| 577 | 865 |
|
417
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|
866 if (ngx_del_conn) { |
|
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|
867 ngx_del_conn(c, NGX_CLOSE_EVENT); |
|
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|
868 |
|
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|
869 } else { |
|
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|
870 if (c->read->active || c->read->disabled) { |
|
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|
871 ngx_del_event(c->read, NGX_READ_EVENT, NGX_CLOSE_EVENT); |
|
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|
872 } |
|
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|
873 |
|
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|
874 if (c->write->active || c->write->disabled) { |
|
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changeset
|
875 ngx_del_event(c->write, NGX_WRITE_EVENT, NGX_CLOSE_EVENT); |
|
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|
876 } |
|
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|
877 } |
|
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|
878 |
|
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|
879 #if (NGX_THREADS) |
|
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|
880 |
|
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|
881 /* |
|
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|
882 * we have to clean the connection information before the closing |
|
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|
883 * because another thread may reopen the same file descriptor |
|
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|
884 * before we clean the connection |
|
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|
885 */ |
|
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|
886 |
| 563 | 887 ngx_mutex_lock(ngx_posted_events_mutex); |
|
417
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|
888 |
| 563 | 889 if (c->read->prev) { |
| 890 ngx_delete_posted_event(c->read); | |
| 891 } | |
|
417
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|
892 |
| 563 | 893 if (c->write->prev) { |
| 894 ngx_delete_posted_event(c->write); | |
| 895 } | |
|
417
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|
896 |
| 563 | 897 c->read->closed = 1; |
| 898 c->write->closed = 1; | |
|
417
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|
899 |
| 563 | 900 if (c->single_connection) { |
| 901 ngx_unlock(&c->lock); | |
| 902 c->read->locked = 0; | |
| 903 c->write->locked = 0; | |
| 904 } | |
|
417
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|
905 |
| 563 | 906 ngx_mutex_unlock(ngx_posted_events_mutex); |
|
417
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|
907 |
|
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|
908 #else |
|
0526206251f6
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changeset
|
909 |
|
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346
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changeset
|
910 if (c->read->prev) { |
|
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|
911 ngx_delete_posted_event(c->read); |
|
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|
912 } |
|
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changeset
|
913 |
|
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346
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changeset
|
914 if (c->write->prev) { |
|
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changeset
|
915 ngx_delete_posted_event(c->write); |
|
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|
916 } |
|
0526206251f6
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diff
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|
917 |
|
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|
918 c->read->closed = 1; |
|
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changeset
|
919 c->write->closed = 1; |
|
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|
920 |
|
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346
diff
changeset
|
921 #endif |
|
0526206251f6
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|
922 |
|
3880
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reuse keepalive connections if there are no free worker connections
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diff
changeset
|
923 ngx_reusable_connection(c, 0); |
|
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
924 |
|
1917
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
925 log_error = c->log_error; |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
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1869
diff
changeset
|
926 |
| 543 | 927 ngx_free_connection(c); |
| 928 | |
|
417
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changeset
|
929 fd = c->fd; |
|
0526206251f6
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346
diff
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|
930 c->fd = (ngx_socket_t) -1; |
|
0526206251f6
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346
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changeset
|
931 |
|
0526206251f6
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changeset
|
932 if (ngx_close_socket(fd) == -1) { |
|
0526206251f6
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|
933 |
|
1917
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decrease log level of connection errors while closing socket
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1869
diff
changeset
|
934 err = ngx_socket_errno; |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
935 |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
936 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
|
937 |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
938 switch (log_error) { |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
939 |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
940 case NGX_ERROR_INFO: |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
941 level = NGX_LOG_INFO; |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
942 break; |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
943 |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
944 case NGX_ERROR_ERR: |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
945 level = NGX_LOG_ERR; |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
946 break; |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
947 |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
948 default: |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
949 level = NGX_LOG_CRIT; |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
950 } |
|
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 } else { |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
953 level = NGX_LOG_CRIT; |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
954 } |
|
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
955 |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
346
diff
changeset
|
956 /* we use ngx_cycle->log because c->log was in c->pool */ |
|
0526206251f6
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Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
957 |
|
1917
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
958 ngx_log_error(level, ngx_cycle->log, err, |
| 1435 | 959 ngx_close_socket_n " %d failed", fd); |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
346
diff
changeset
|
960 } |
|
0526206251f6
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parents:
346
diff
changeset
|
961 } |
|
0526206251f6
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346
diff
changeset
|
962 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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346
diff
changeset
|
963 |
|
3880
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
964 void |
|
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
965 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
|
966 { |
|
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
967 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
|
968 "reusable connection: %ui", reusable); |
|
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
969 |
|
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
970 if (c->reusable) { |
|
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
3676
diff
changeset
|
971 ngx_queue_remove(&c->queue); |
|
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
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parents:
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changeset
|
972 } |
|
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reuse keepalive connections if there are no free worker connections
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changeset
|
973 |
|
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|
974 c->reusable = reusable; |
|
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reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
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changeset
|
975 |
|
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diff
changeset
|
976 if (reusable) { |
|
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reuse keepalive connections if there are no free worker connections
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parents:
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diff
changeset
|
977 /* need cast as ngx_cycle is volatile */ |
|
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reuse keepalive connections if there are no free worker connections
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changeset
|
978 |
|
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reuse keepalive connections if there are no free worker connections
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changeset
|
979 ngx_queue_insert_head( |
|
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reuse keepalive connections if there are no free worker connections
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changeset
|
980 (ngx_queue_t *) &ngx_cycle->reusable_connections_queue, &c->queue); |
|
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reuse keepalive connections if there are no free worker connections
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|
981 } |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
982 } |
|
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reuse keepalive connections if there are no free worker connections
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changeset
|
983 |
|
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changeset
|
984 |
|
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changeset
|
985 static void |
|
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parents:
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diff
changeset
|
986 ngx_drain_connections(void) |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
987 { |
|
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diff
changeset
|
988 ngx_int_t i; |
|
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changeset
|
989 ngx_queue_t *q; |
|
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changeset
|
990 ngx_connection_t *c; |
|
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
991 |
|
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reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
992 for (i = 0; i < 32; i++) { |
|
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
993 if (ngx_queue_empty(&ngx_cycle->reusable_connections_queue)) { |
|
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reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
994 break; |
|
e3cb8e27e413
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
995 } |
|
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
996 |
|
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
997 q = ngx_queue_last(&ngx_cycle->reusable_connections_queue); |
|
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reuse keepalive connections if there are no free worker connections
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diff
changeset
|
998 c = ngx_queue_data(q, ngx_connection_t, queue); |
|
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reuse keepalive connections if there are no free worker connections
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diff
changeset
|
999 |
|
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reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1000 ngx_log_debug0(NGX_LOG_DEBUG_CORE, c->log, 0, |
|
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reuse keepalive connections if there are no free worker connections
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changeset
|
1001 "reusing connection"); |
|
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Igor Sysoev <igor@sysoev.ru>
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changeset
|
1002 |
|
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changeset
|
1003 c->close = 1; |
|
e3cb8e27e413
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1004 c->read->handler(c->read); |
|
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reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
1005 } |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1006 } |
|
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1007 |
|
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1008 |
| 521 | 1009 ngx_int_t |
|
2854
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1010 ngx_connection_local_sockaddr(ngx_connection_t *c, ngx_str_t *s, |
|
d788477f5a67
ngx_connection_local_sockaddr()
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diff
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|
1011 ngx_uint_t port) |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
1012 { |
|
d788477f5a67
ngx_connection_local_sockaddr()
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|
1013 socklen_t len; |
|
d788477f5a67
ngx_connection_local_sockaddr()
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diff
changeset
|
1014 ngx_uint_t addr; |
|
d788477f5a67
ngx_connection_local_sockaddr()
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|
1015 u_char sa[NGX_SOCKADDRLEN]; |
|
d788477f5a67
ngx_connection_local_sockaddr()
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diff
changeset
|
1016 struct sockaddr_in *sin; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
1017 #if (NGX_HAVE_INET6) |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1018 ngx_uint_t i; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1019 struct sockaddr_in6 *sin6; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1020 #endif |
|
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
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|
1021 |
|
d788477f5a67
ngx_connection_local_sockaddr()
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changeset
|
1022 switch (c->local_sockaddr->sa_family) { |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
1023 |
|
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1024 #if (NGX_HAVE_INET6) |
|
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ngx_connection_local_sockaddr()
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diff
changeset
|
1025 case AF_INET6: |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1026 sin6 = (struct sockaddr_in6 *) c->local_sockaddr; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1027 |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1028 for (addr = 0, i = 0; addr == 0 && i < 16; i++) { |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1029 addr |= sin6->sin6_addr.s6_addr[i]; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1030 } |
|
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1031 |
|
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1032 break; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1033 #endif |
|
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1034 |
|
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1035 default: /* AF_INET */ |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1036 sin = (struct sockaddr_in *) c->local_sockaddr; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1037 addr = sin->sin_addr.s_addr; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1038 break; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1039 } |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
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 if (addr == 0) { |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1042 |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1043 len = NGX_SOCKADDRLEN; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1044 |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1045 if (getsockname(c->fd, (struct sockaddr *) &sa, &len) == -1) { |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1046 ngx_connection_error(c, ngx_socket_errno, "getsockname() failed"); |
|
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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changeset
|
1047 return NGX_ERROR; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1048 } |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
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 c->local_sockaddr = ngx_palloc(c->pool, len); |
|
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
|
1051 if (c->local_sockaddr == NULL) { |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1052 return NGX_ERROR; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1053 } |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
1054 |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1055 ngx_memcpy(c->local_sockaddr, &sa, len); |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1056 } |
|
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 if (s == NULL) { |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
1059 return NGX_OK; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
1060 } |
|
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:
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diff
changeset
|
1062 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
|
1063 |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1064 return NGX_OK; |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1065 } |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1066 |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1067 |
|
d788477f5a67
ngx_connection_local_sockaddr()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
1068 ngx_int_t |
| 521 | 1069 ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text) |
|
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
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parents:
242
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|
1070 { |
|
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
256
diff
changeset
|
1071 ngx_uint_t level; |
|
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
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|
1072 |
| 2775 | 1073 /* 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
|
1074 |
| 2775 | 1075 if ((err == NGX_ECONNRESET |
| 1076 #if (NGX_WIN32) | |
| 1077 || err == NGX_ECONNABORTED | |
|
2774
baad3036086e
Winsock uses ECONNABORTED instead of ECONNRESET
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1078 #endif |
| 2775 | 1079 ) && c->log_error == NGX_ERROR_IGNORE_ECONNRESET) |
|
2774
baad3036086e
Winsock uses ECONNABORTED instead of ECONNRESET
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1080 { |
|
253
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nginx-0.0.2-2004-02-09-10:46:43 import
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parents:
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|
1081 return 0; |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
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parents:
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|
1082 } |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
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diff
changeset
|
1083 |
|
2560
a7443674e429
ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
1084 #if (NGX_SOLARIS) |
|
a7443674e429
ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
1085 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
|
1086 return 0; |
|
a7443674e429
ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
1087 } |
|
a7443674e429
ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
1088 #endif |
|
a7443674e429
ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
1089 |
| 537 | 1090 if (err == 0 |
| 1091 || err == NGX_ECONNRESET | |
|
2774
baad3036086e
Winsock uses ECONNABORTED instead of ECONNRESET
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1092 #if (NGX_WIN32) |
|
baad3036086e
Winsock uses ECONNABORTED instead of ECONNRESET
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1093 || err == NGX_ECONNABORTED |
|
baad3036086e
Winsock uses ECONNABORTED instead of ECONNRESET
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1094 #else |
|
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
1095 || err == NGX_EPIPE |
|
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
1096 #endif |
|
288
f81d075ad172
nginx-0.0.2-2004-03-14-23:46:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
282
diff
changeset
|
1097 || err == NGX_ENOTCONN |
| 587 | 1098 || err == NGX_ETIMEDOUT |
|
288
f81d075ad172
nginx-0.0.2-2004-03-14-23:46:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
282
diff
changeset
|
1099 || err == NGX_ECONNREFUSED |
|
1869
192443881e51
add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents:
1833
diff
changeset
|
1100 || err == NGX_ENETDOWN |
|
192443881e51
add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents:
1833
diff
changeset
|
1101 || err == NGX_ENETUNREACH |
|
192443881e51
add NGX_ENETDOWN, NGX_ENETUNREACH, and NGX_EHOSTDOWN
Igor Sysoev <igor@sysoev.ru>
parents:
1833
diff
changeset
|
1102 || err == NGX_EHOSTDOWN |
|
288
f81d075ad172
nginx-0.0.2-2004-03-14-23:46:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
282
diff
changeset
|
1103 || 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
|
1104 { |
|
256
8e39cab6abd5
nginx-0.0.2-2004-02-10-19:23:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
253
diff
changeset
|
1105 switch (c->log_error) { |
|
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1106 |
|
2560
a7443674e429
ignore EINVAL from setsockopt() on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
1107 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
|
1108 case NGX_ERROR_IGNORE_ECONNRESET: |
|
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1109 case NGX_ERROR_INFO: |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1110 level = NGX_LOG_INFO; |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1111 break; |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1112 |
|
3151
ad3ddfd06e7d
low default connection errors level from alert to error
Igor Sysoev <igor@sysoev.ru>
parents:
2928
diff
changeset
|
1113 default: |
|
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1114 level = NGX_LOG_ERR; |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1115 } |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1116 |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1117 } else { |
|
1917
1b2e83c4886d
decrease log level of connection errors while closing socket
Igor Sysoev <igor@sysoev.ru>
parents:
1869
diff
changeset
|
1118 level = NGX_LOG_ALERT; |
|
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1119 } |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1120 |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1121 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
|
1122 |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1123 return NGX_ERROR; |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
242
diff
changeset
|
1124 } |