Mercurial > hg > nginx
annotate src/os/win32/ngx_wsasend_chain.c @ 461:a88a3e4e158f release-0.1.5
nginx-0.1.5-RELEASE import
*) Bugfix: on Solaris and Linux there may be too many "recvmsg()
returned not enough data" alerts.
*) Bugfix: there were the "writev() failed (22: Invalid argument)"
errors on Solaris in proxy mode without sendfile. On other platforms
that do not support sendfile at all the process got caught in an
endless loop.
*) Bugfix: segmentation fault on Solaris in proxy mode and using
sendfile.
*) Bugfix: segmentation fault on Solaris.
*) Bugfix: on-line upgrade did not work on Linux.
*) Bugfix: the ngx_http_autoindex_module module did not escape the
spaces, the quotes, and the percent signs in the directory listing.
*) Change: the decrease of the copy operations.
*) Feature: the userid_p3p directive.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 11 Nov 2004 14:07:14 +0000 |
| parents | 42d11f017717 |
| children | 8e8f3af115b5 |
| 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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6 |
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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 |
| 461 | 12 #define NGX_WSABUFS 8 |
| 13 | |
| 14 | |
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15 ngx_chain_t *ngx_wsasend_chain(ngx_connection_t *c, ngx_chain_t *in, |
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16 off_t limit) |
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17 { |
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18 int rc; |
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19 u_char *prev; |
| 461 | 20 u_long size, sent, send, sprev; |
| 21 ngx_uint_t complete; | |
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22 ngx_err_t err; |
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23 ngx_event_t *wev; |
| 461 | 24 ngx_array_t vec; |
| 25 LPWSABUF wsabuf; | |
| 26 WSABUF wsabufs[NGX_WSABUFS]; | |
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27 ngx_chain_t *cl; |
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28 |
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29 wev = c->write; |
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30 |
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31 if (!wev->ready) { |
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32 return in; |
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33 } |
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34 |
| 461 | 35 send = 0; |
| 36 complete = 0; | |
| 37 | |
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38 /* |
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39 * WSABUFs must be 4-byte aligned otherwise |
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40 * WSASend() will return undocumented WSAEINVAL error. |
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41 */ |
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42 |
| 461 | 43 vec.elts = wsabufs; |
| 44 vec.size = sizeof(WSABUF); | |
| 45 vec.nalloc = NGX_WSABUFS; | |
| 46 vec.pool = c->pool; | |
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47 |
| 461 | 48 for ( ;; ) { |
| 49 prev = NULL; | |
| 50 wsabuf = NULL; | |
| 51 sprev = send; | |
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52 |
| 461 | 53 vec.nelts = 0; |
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54 |
| 461 | 55 /* create the WSABUF and coalesce the neighbouring bufs */ |
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56 |
| 461 | 57 for (cl = in; |
| 58 cl && vec.nelts < ngx_max_wsabufs && send < limit; | |
| 59 cl = cl->next) | |
| 60 { | |
| 61 if (ngx_buf_special(cl->buf)) { | |
| 62 continue; | |
| 63 } | |
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64 |
| 461 | 65 size = cl->buf->last - cl->buf->pos; |
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66 |
| 461 | 67 if (send + size > limit) { |
| 68 size = (u_long) (limit - send); | |
| 69 } | |
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70 |
| 461 | 71 if (prev == cl->buf->pos) { |
| 72 wsabuf->len += cl->buf->last - cl->buf->pos; | |
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73 |
| 461 | 74 } else { |
| 75 if (!(wsabuf = ngx_array_push(&vec))) { | |
| 76 return NGX_CHAIN_ERROR; | |
| 77 } | |
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78 |
| 461 | 79 wsabuf->buf = (char *) cl->buf->pos; |
| 80 wsabuf->len = cl->buf->last - cl->buf->pos; | |
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81 } |
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82 |
| 461 | 83 prev = cl->buf->last; |
| 84 send += size; | |
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85 } |
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86 |
| 461 | 87 sent = 0; |
| 88 | |
| 89 rc = WSASend(c->fd, vec.elts, vec.nelts, &sent, 0, NULL, NULL); | |
| 90 | |
| 91 if (rc == -1) { | |
| 92 err = ngx_errno; | |
| 93 | |
| 94 if (err == WSAEWOULDBLOCK) { | |
| 95 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, | |
| 96 "WSASend() not ready"); | |
| 97 | |
| 98 } else { | |
| 99 wev->error = 1; | |
| 100 ngx_connection_error(c, err, "WSASend() failed"); | |
| 101 return NGX_CHAIN_ERROR; | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 106 "WSASend: fd:%d, s:%ul", c->fd, sent); | |
| 107 | |
| 108 if (send - sprev == sent) { | |
| 109 complete = 1; | |
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110 } |
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111 |
| 461 | 112 c->sent += sent; |
| 113 | |
| 114 for (cl = in; cl && sent > 0; cl = cl->next) { | |
| 115 if (ngx_buf_special(cl->buf)) { | |
| 116 continue; | |
| 117 } | |
| 118 | |
| 119 if (sent == 0) { | |
| 120 break; | |
| 121 } | |
| 122 | |
| 123 size = cl->buf->last - cl->buf->pos; | |
| 124 | |
| 125 if (sent >= size) { | |
| 126 sent -= size; | |
| 127 cl->buf->pos = cl->buf->last; | |
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128 |
| 461 | 129 continue; |
| 130 } | |
| 131 | |
| 132 cl->buf->pos += sent; | |
| 133 | |
| 134 break; | |
| 135 } | |
| 136 | |
| 137 if (!complete) { | |
| 138 wev->ready = 0; | |
| 139 return cl; | |
| 140 } | |
| 141 | |
| 142 if (send >= limit || cl == NULL) { | |
| 143 return cl; | |
| 144 } | |
| 145 | |
| 146 in = cl; | |
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147 } |
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148 } |
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149 |
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150 |
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151 ngx_chain_t *ngx_overlapped_wsasend_chain(ngx_connection_t *c, ngx_chain_t *in, |
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152 off_t limit) |
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153 { |
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154 int rc; |
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155 u_char *prev; |
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156 size_t size; |
| 461 | 157 u_long send, sent; |
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158 LPWSABUF wsabuf; |
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159 ngx_err_t err; |
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160 ngx_event_t *wev; |
| 461 | 161 ngx_array_t vec; |
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162 ngx_chain_t *cl; |
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163 LPWSAOVERLAPPED ovlp; |
| 461 | 164 WSABUF wsabufs[NGX_WSABUFS]; |
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165 |
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166 wev = c->write; |
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167 |
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168 if (!wev->ready) { |
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169 return in; |
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170 } |
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171 |
| 461 | 172 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
| 173 "wev->complete: %d", wev->complete); | |
| 174 | |
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175 if (!wev->complete) { |
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176 |
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177 /* post the overlapped WSASend() */ |
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178 |
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179 /* |
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180 * WSABUFs must be 4-byte aligned otherwise |
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181 * WSASend() will return undocumented WSAEINVAL error. |
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182 */ |
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183 |
| 461 | 184 vec.elts = wsabufs; |
| 185 vec.nelts = 0; | |
| 186 vec.size = sizeof(WSABUF); | |
| 187 vec.nalloc = NGX_WSABUFS; | |
| 188 vec.pool = c->pool; | |
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189 |
| 461 | 190 send = 0; |
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191 prev = NULL; |
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192 wsabuf = NULL; |
|
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193 |
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194 /* create the WSABUF and coalesce the neighbouring bufs */ |
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195 |
| 461 | 196 for (cl = in; |
| 197 cl && vec.nelts < ngx_max_wsabufs && send < limit; | |
| 198 cl = cl->next) | |
| 199 { | |
| 200 if (ngx_buf_special(cl->buf)) { | |
| 201 continue; | |
| 202 } | |
| 203 | |
| 204 size = cl->buf->last - cl->buf->pos; | |
| 205 | |
| 206 if (send + size > limit) { | |
| 207 size = (u_long) (limit - send); | |
| 208 } | |
|
184
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209 |
|
343
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diff
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210 if (prev == cl->buf->pos) { |
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211 wsabuf->len += cl->buf->last - cl->buf->pos; |
| 461 | 212 |
|
184
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213 } else { |
| 461 | 214 if (!(wsabuf = ngx_array_push(&vec))) { |
| 215 return NGX_CHAIN_ERROR; | |
| 216 } | |
| 217 | |
|
343
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218 wsabuf->buf = (char *) cl->buf->pos; |
|
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219 wsabuf->len = cl->buf->last - cl->buf->pos; |
|
184
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220 } |
| 461 | 221 |
| 222 prev = cl->buf->last; | |
| 223 send += size; | |
|
184
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224 } |
|
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225 |
|
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226 ovlp = (LPWSAOVERLAPPED) &c->write->ovlp; |
|
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227 ngx_memzero(ovlp, sizeof(WSAOVERLAPPED)); |
|
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228 |
| 461 | 229 rc = WSASend(c->fd, vec.elts, vec.nelts, &sent, 0, ovlp, NULL); |
|
184
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230 |
|
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231 wev->complete = 0; |
|
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232 |
|
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233 if (rc == -1) { |
|
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234 err = ngx_errno; |
|
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235 |
|
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236 if (err == WSA_IO_PENDING) { |
| 461 | 237 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
| 238 "WSASend() posted"); | |
|
184
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239 wev->active = 1; |
|
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240 return in; |
|
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241 |
|
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242 } else { |
|
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243 wev->error = 1; |
|
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
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parents:
257
diff
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|
244 ngx_connection_error(c, err, "WSASend() failed"); |
|
184
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245 return NGX_CHAIN_ERROR; |
|
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246 } |
|
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247 |
|
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248 } else if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
|
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249 |
|
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250 /* |
|
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251 * if a socket was bound with I/O completion port then |
|
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252 * GetQueuedCompletionStatus() would anyway return its status |
|
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253 * despite that WSASend() was already complete |
|
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254 */ |
|
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parents:
144
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changeset
|
255 |
|
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parents:
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256 wev->active = 1; |
|
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257 return in; |
|
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258 } |
|
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parents:
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|
259 |
| 461 | 260 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
| 261 "WSASend: fd:%d, s:%ul", c->fd, sent); | |
| 262 | |
|
184
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parents:
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263 } else { |
|
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parents:
144
diff
changeset
|
264 |
|
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parents:
144
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265 /* the overlapped WSASend() complete */ |
|
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266 |
|
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parents:
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267 wev->complete = 0; |
|
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parents:
144
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268 wev->active = 0; |
|
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parents:
144
diff
changeset
|
269 |
|
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parents:
144
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270 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
|
1bf718ce0dde
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parents:
144
diff
changeset
|
271 if (wev->ovlp.error) { |
|
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
272 ngx_connection_error(c, wev->ovlp.error, "WSASend() failed"); |
|
184
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nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
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273 return NGX_CHAIN_ERROR; |
|
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parents:
144
diff
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|
274 } |
|
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parents:
144
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changeset
|
275 |
|
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276 sent = wev->available; |
|
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parents:
144
diff
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|
277 |
|
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parents:
144
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|
278 } else { |
|
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parents:
144
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279 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &wev->ovlp, |
|
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nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
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|
280 &sent, 0, NULL) == 0) { |
|
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
281 ngx_connection_error(c, ngx_socket_errno, |
|
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
282 "WSASend() or WSAGetOverlappedResult() failed"); |
|
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
283 |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
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284 return NGX_CHAIN_ERROR; |
|
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nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
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|
285 } |
|
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nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
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|
286 } |
|
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parents:
144
diff
changeset
|
287 } |
|
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parents:
144
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|
288 |
| 461 | 289 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
| 290 "WSASend ovlp: fd:%d, s:%ul", c->fd, sent); | |
|
184
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parents:
144
diff
changeset
|
291 |
|
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parents:
144
diff
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|
292 c->sent += sent; |
|
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parents:
144
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|
293 |
|
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parents:
144
diff
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|
294 for (cl = in; cl && sent > 0; cl = cl->next) { |
| 461 | 295 if (ngx_buf_special(cl->buf)) { |
| 296 continue; | |
| 297 } | |
| 298 | |
| 299 if (sent == 0) { | |
| 300 break; | |
| 301 } | |
|
184
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nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
302 |
|
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
303 size = cl->buf->last - cl->buf->pos; |
|
184
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nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
304 |
|
1bf718ce0dde
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parents:
144
diff
changeset
|
305 if (sent >= size) { |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
306 sent -= size; |
| 461 | 307 cl->buf->pos = cl->buf->last; |
|
184
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parents:
144
diff
changeset
|
308 |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
309 continue; |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
310 } |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
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|
311 |
| 461 | 312 cl->buf->pos += sent; |
|
184
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parents:
144
diff
changeset
|
313 |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
314 break; |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
315 } |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
316 |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
317 if (cl) { |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
318 wev->ready = 0; |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
319 |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
320 } else { |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
321 wev->ready = 1; |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
322 } |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
323 |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
324 return cl; |
|
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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