Mercurial > hg > nginx-quic
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 |
---|---|
441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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5 |
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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; | |
184
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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]; | |
184
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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 | |
184
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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; | |
184
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47 |
461 | 48 for ( ;; ) { |
49 prev = NULL; | |
50 wsabuf = NULL; | |
51 sprev = send; | |
184
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52 |
461 | 53 vec.nelts = 0; |
184
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54 |
461 | 55 /* create the WSABUF and coalesce the neighbouring bufs */ |
184
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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 } | |
184
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64 |
461 | 65 size = cl->buf->last - cl->buf->pos; |
184
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66 |
461 | 67 if (send + size > limit) { |
68 size = (u_long) (limit - send); | |
69 } | |
184
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70 |
461 | 71 if (prev == cl->buf->pos) { |
72 wsabuf->len += cl->buf->last - cl->buf->pos; | |
184
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73 |
461 | 74 } else { |
75 if (!(wsabuf = ngx_array_push(&vec))) { | |
76 return NGX_CHAIN_ERROR; | |
77 } | |
184
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78 |
461 | 79 wsabuf->buf = (char *) cl->buf->pos; |
80 wsabuf->len = cl->buf->last - cl->buf->pos; | |
184
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81 } |
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82 |
461 | 83 prev = cl->buf->last; |
84 send += size; | |
184
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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; | |
184
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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; | |
184
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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; | |
184
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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; |
184
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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; |
184
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162 ngx_chain_t *cl; |
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163 LPWSAOVERLAPPED ovlp; |
461 | 164 WSABUF wsabufs[NGX_WSABUFS]; |
184
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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 | |
184
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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; | |
184
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189 |
461 | 190 send = 0; |
184
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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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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
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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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255 |
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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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263 } else { |
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264 |
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265 /* the overlapped WSASend() complete */ |
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266 |
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267 wev->complete = 0; |
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268 wev->active = 0; |
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parents:
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269 |
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270 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
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parents:
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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
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|
272 ngx_connection_error(c, wev->ovlp.error, "WSASend() failed"); |
184
1bf718ce0dde
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parents:
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273 return NGX_CHAIN_ERROR; |
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parents:
144
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|
274 } |
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parents:
144
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|
275 |
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276 sent = wev->available; |
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277 |
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278 } else { |
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parents:
144
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279 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &wev->ovlp, |
1bf718ce0dde
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parents:
144
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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
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|
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
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parents:
144
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|
283 |
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284 return NGX_CHAIN_ERROR; |
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parents:
144
diff
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|
285 } |
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parents:
144
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|
286 } |
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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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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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|
291 |
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292 c->sent += sent; |
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|
293 |
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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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parents:
144
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|
302 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
292
diff
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|
303 size = cl->buf->last - cl->buf->pos; |
184
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144
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|
304 |
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144
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305 if (sent >= size) { |
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|
306 sent -= size; |
461 | 307 cl->buf->pos = cl->buf->last; |
184
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144
diff
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|
308 |
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parents:
144
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|
309 continue; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
310 } |
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nginx-0.0.1-2003-11-14-10:20:34 import
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144
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|
311 |
461 | 312 cl->buf->pos += sent; |
184
1bf718ce0dde
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parents:
144
diff
changeset
|
313 |
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nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
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|
314 break; |
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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
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|
318 wev->ready = 0; |
1bf718ce0dde
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parents:
144
diff
changeset
|
319 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
320 } else { |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
321 wev->ready = 1; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
322 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
323 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
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|
324 return cl; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
325 } |