Mercurial > hg > nginx
annotate src/os/win32/ngx_wsasend_chain.c @ 9030:172705615d04 quic
QUIC: using native TLSv1.3 cipher suite constants.
After BoringSSL aligned[1] with OpenSSL on TLS1_3_CK_* macros, and
LibreSSL uses OpenSSL naming, our own variants can be dropped now.
Compatibility is preserved with libraries that lack these macros.
Additionally, transition to SSL_CIPHER_get_id() fixes build error
with LibreSSL that doesn't implement SSL_CIPHER_get_protocol_id().
[1] https://boringssl.googlesource.com/boringssl/+/dfddbc4ded
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Thu, 20 Oct 2022 16:21:05 +0400 |
parents | ecf2a9002b37 |
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rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
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11 |
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12 |
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13 #define NGX_WSABUFS 64 |
461 | 14 |
15 | |
501 | 16 ngx_chain_t * |
17 ngx_wsasend_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) | |
103
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18 { |
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19 int rc; |
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20 u_char *prev; |
473 | 21 u_long size, sent, send, prev_send; |
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; |
501 | 25 ngx_chain_t *cl; |
461 | 26 LPWSABUF wsabuf; |
27 WSABUF wsabufs[NGX_WSABUFS]; | |
184
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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 |
473 | 35 /* the maximum limit size is the maximum u_long value - the page size */ |
36 | |
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37 if (limit == 0 || limit > (off_t) (NGX_MAX_UINT32_VALUE - ngx_pagesize)) { |
473 | 38 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize; |
39 } | |
40 | |
461 | 41 send = 0; |
42 | |
184
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43 /* |
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44 * WSABUFs must be 4-byte aligned otherwise |
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45 * WSASend() will return undocumented WSAEINVAL error. |
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46 */ |
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47 |
461 | 48 vec.elts = wsabufs; |
49 vec.size = sizeof(WSABUF); | |
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50 vec.nalloc = ngx_min(NGX_WSABUFS, ngx_max_wsabufs); |
461 | 51 vec.pool = c->pool; |
184
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52 |
461 | 53 for ( ;; ) { |
54 prev = NULL; | |
55 wsabuf = NULL; | |
473 | 56 prev_send = send; |
184
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57 |
461 | 58 vec.nelts = 0; |
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59 |
461 | 60 /* create the WSABUF and coalesce the neighbouring bufs */ |
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61 |
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62 for (cl = in; cl && send < limit; cl = cl->next) { |
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63 |
461 | 64 if (ngx_buf_special(cl->buf)) { |
65 continue; | |
66 } | |
184
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67 |
461 | 68 size = cl->buf->last - cl->buf->pos; |
184
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69 |
461 | 70 if (send + size > limit) { |
71 size = (u_long) (limit - send); | |
72 } | |
184
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73 |
461 | 74 if (prev == cl->buf->pos) { |
75 wsabuf->len += cl->buf->last - cl->buf->pos; | |
184
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76 |
461 | 77 } else { |
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78 if (vec.nelts == vec.nalloc) { |
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79 break; |
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80 } |
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81 |
501 | 82 wsabuf = ngx_array_push(&vec); |
83 if (wsabuf == NULL) { | |
461 | 84 return NGX_CHAIN_ERROR; |
85 } | |
184
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86 |
461 | 87 wsabuf->buf = (char *) cl->buf->pos; |
88 wsabuf->len = cl->buf->last - cl->buf->pos; | |
184
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89 } |
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90 |
461 | 91 prev = cl->buf->last; |
92 send += size; | |
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93 } |
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94 |
461 | 95 sent = 0; |
96 | |
97 rc = WSASend(c->fd, vec.elts, vec.nelts, &sent, 0, NULL, NULL); | |
98 | |
99 if (rc == -1) { | |
100 err = ngx_errno; | |
101 | |
102 if (err == WSAEWOULDBLOCK) { | |
103 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, | |
104 "WSASend() not ready"); | |
105 | |
106 } else { | |
107 wev->error = 1; | |
108 ngx_connection_error(c, err, "WSASend() failed"); | |
109 return NGX_CHAIN_ERROR; | |
110 } | |
111 } | |
112 | |
113 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
114 "WSASend: fd:%d, s:%ul", c->fd, sent); | |
115 | |
116 c->sent += sent; | |
117 | |
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118 in = ngx_chain_update_sent(in, sent); |
461 | 119 |
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120 if (send - prev_send != sent) { |
461 | 121 wev->ready = 0; |
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122 return in; |
461 | 123 } |
124 | |
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125 if (send >= limit || in == NULL) { |
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126 return in; |
461 | 127 } |
184
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128 } |
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129 } |
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130 |
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131 |
501 | 132 ngx_chain_t * |
133 ngx_overlapped_wsasend_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) | |
184
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134 { |
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135 int rc; |
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136 u_char *prev; |
473 | 137 u_long size, send, sent; |
184
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138 ngx_err_t err; |
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139 ngx_event_t *wev; |
461 | 140 ngx_array_t vec; |
184
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141 ngx_chain_t *cl; |
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142 LPWSAOVERLAPPED ovlp; |
501 | 143 LPWSABUF wsabuf; |
461 | 144 WSABUF wsabufs[NGX_WSABUFS]; |
184
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145 |
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146 wev = c->write; |
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147 |
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148 if (!wev->ready) { |
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149 return in; |
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150 } |
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151 |
461 | 152 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
153 "wev->complete: %d", wev->complete); | |
154 | |
184
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155 if (!wev->complete) { |
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156 |
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157 /* post the overlapped WSASend() */ |
473 | 158 |
159 /* the maximum limit size is the maximum u_long value - the page size */ | |
160 | |
5875 | 161 if (limit == 0 || limit > (off_t) (NGX_MAX_UINT32_VALUE - ngx_pagesize)) |
162 { | |
473 | 163 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize; |
164 } | |
577 | 165 |
184
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166 /* |
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167 * WSABUFs must be 4-byte aligned otherwise |
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168 * WSASend() will return undocumented WSAEINVAL error. |
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169 */ |
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170 |
461 | 171 vec.elts = wsabufs; |
172 vec.nelts = 0; | |
173 vec.size = sizeof(WSABUF); | |
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174 vec.nalloc = ngx_min(NGX_WSABUFS, ngx_max_wsabufs); |
461 | 175 vec.pool = c->pool; |
184
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176 |
461 | 177 send = 0; |
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178 prev = NULL; |
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179 wsabuf = NULL; |
577 | 180 |
184
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181 /* create the WSABUF and coalesce the neighbouring bufs */ |
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182 |
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183 for (cl = in; cl && send < limit; cl = cl->next) { |
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184 |
461 | 185 if (ngx_buf_special(cl->buf)) { |
186 continue; | |
187 } | |
188 | |
189 size = cl->buf->last - cl->buf->pos; | |
190 | |
191 if (send + size > limit) { | |
192 size = (u_long) (limit - send); | |
193 } | |
184
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194 |
343
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195 if (prev == cl->buf->pos) { |
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196 wsabuf->len += cl->buf->last - cl->buf->pos; |
461 | 197 |
184
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198 } else { |
7887
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199 if (vec.nelts == vec.nalloc) { |
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200 break; |
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201 } |
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202 |
501 | 203 wsabuf = ngx_array_push(&vec); |
204 if (wsabuf == NULL) { | |
461 | 205 return NGX_CHAIN_ERROR; |
206 } | |
207 | |
343
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208 wsabuf->buf = (char *) cl->buf->pos; |
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209 wsabuf->len = cl->buf->last - cl->buf->pos; |
184
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210 } |
461 | 211 |
212 prev = cl->buf->last; | |
213 send += size; | |
184
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214 } |
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215 |
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216 ovlp = (LPWSAOVERLAPPED) &c->write->ovlp; |
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217 ngx_memzero(ovlp, sizeof(WSAOVERLAPPED)); |
577 | 218 |
461 | 219 rc = WSASend(c->fd, vec.elts, vec.nelts, &sent, 0, ovlp, NULL); |
184
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220 |
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221 wev->complete = 0; |
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222 |
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223 if (rc == -1) { |
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224 err = ngx_errno; |
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225 |
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226 if (err == WSA_IO_PENDING) { |
461 | 227 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
228 "WSASend() posted"); | |
184
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229 wev->active = 1; |
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230 return in; |
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231 |
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232 } else { |
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233 wev->error = 1; |
278
0ba4821f4460
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parents:
257
diff
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234 ngx_connection_error(c, err, "WSASend() failed"); |
184
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235 return NGX_CHAIN_ERROR; |
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236 } |
577 | 237 |
184
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parents:
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238 } else if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
1bf718ce0dde
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parents:
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239 |
6474 | 240 /* |
241 * if a socket was bound with I/O completion port then | |
242 * GetQueuedCompletionStatus() would anyway return its status | |
243 * despite that WSASend() was already complete | |
244 */ | |
184
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245 |
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246 wev->active = 1; |
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247 return in; |
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248 } |
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249 |
461 | 250 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
251 "WSASend: fd:%d, s:%ul", c->fd, sent); | |
252 | |
184
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253 } else { |
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parents:
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254 |
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parents:
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255 /* the overlapped WSASend() complete */ |
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parents:
144
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256 |
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144
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257 wev->complete = 0; |
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parents:
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258 wev->active = 0; |
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parents:
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259 |
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parents:
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260 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
1bf718ce0dde
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parents:
144
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261 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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|
262 ngx_connection_error(c, wev->ovlp.error, "WSASend() failed"); |
184
1bf718ce0dde
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144
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263 return NGX_CHAIN_ERROR; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
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|
264 } |
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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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|
265 |
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144
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266 sent = wev->available; |
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144
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267 |
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parents:
144
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268 } else { |
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parents:
144
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269 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &wev->ovlp, |
2776 | 270 &sent, 0, NULL) |
271 == 0) | |
272 { | |
278
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parents:
257
diff
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273 ngx_connection_error(c, ngx_socket_errno, |
0ba4821f4460
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parents:
257
diff
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|
274 "WSASend() or WSAGetOverlappedResult() failed"); |
577 | 275 |
184
1bf718ce0dde
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276 return NGX_CHAIN_ERROR; |
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parents:
144
diff
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|
277 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
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|
278 } |
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nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
279 } |
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parents:
144
diff
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|
280 |
461 | 281 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
282 "WSASend ovlp: fd:%d, s:%ul", c->fd, sent); | |
184
1bf718ce0dde
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parents:
144
diff
changeset
|
283 |
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284 c->sent += sent; |
1bf718ce0dde
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144
diff
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|
285 |
5912
de68ed551bfb
Renamed ngx_handle_sent_chain() to ngx_chain_update_sent().
Valentin Bartenev <vbart@nginx.com>
parents:
5875
diff
changeset
|
286 in = ngx_chain_update_sent(in, sent); |
184
1bf718ce0dde
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parents:
144
diff
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|
287 |
5853
a6e83ac70af9
Reduced difference between the send chain functions.
Valentin Bartenev <vbart@nginx.com>
parents:
5851
diff
changeset
|
288 if (in) { |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
289 wev->ready = 0; |
1bf718ce0dde
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parents:
144
diff
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|
290 |
1bf718ce0dde
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parents:
144
diff
changeset
|
291 } else { |
1bf718ce0dde
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parents:
144
diff
changeset
|
292 wev->ready = 1; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
293 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
294 |
5853
a6e83ac70af9
Reduced difference between the send chain functions.
Valentin Bartenev <vbart@nginx.com>
parents:
5851
diff
changeset
|
295 return in; |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
diff
changeset
|
296 } |