Mercurial > hg > nginx

annotate src/os/win32/ngx_wsarecv_chain.c @ 280:7c7183b3ea8b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.2-2004-03-05-11:34:24 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 05 Mar 2004 08:34:24 +0000
parents 0ba4821f4460
children a472bfb778b3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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1
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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2 #include <ngx_config.h>
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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3 #include <ngx_core.h>
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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4 #include <ngx_event.h>
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5
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c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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7 ssize_t ngx_wsarecv_chain(ngx_connection_t *c, ngx_chain_t *chain)
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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8 {
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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9 int rc;
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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10 char *prev;
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7c7183b3ea8b nginx-0.0.2-2004-03-05-11:34:24 import
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11 u_long bytes, flags;
7c7183b3ea8b nginx-0.0.2-2004-03-05-11:34:24 import
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12 size_t size;
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c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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13 WSABUF *wsabuf;
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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14 ngx_err_t err;
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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15 ngx_array_t io;
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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16 ngx_event_t *rev;
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c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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18 prev = NULL;
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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19 wsabuf = NULL;
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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20 flags = 0;
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21 size = 0;
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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22 bytes = 0;
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c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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24 ngx_init_array(io, c->pool, 10, sizeof(WSABUF), NGX_ERROR);
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26 /* coalesce the neighbouring hunks */
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27
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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28 while (chain) {
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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29 if (prev == chain->hunk->last) {
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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30 wsabuf->len += chain->hunk->end - chain->hunk->last;
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31
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32 } else {
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33 ngx_test_null(wsabuf, ngx_push_array(&io), NGX_ERROR);
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34 wsabuf->buf = chain->hunk->last;
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35 wsabuf->len = chain->hunk->end - chain->hunk->last;
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36 }
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37
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38 size += chain->hunk->end - chain->hunk->last;
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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39 prev = chain->hunk->end;
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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40 chain = chain->next;
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41 }
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42
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0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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43 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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44 "WSARecv: %d:%d", io.nelts, wsabuf->len);
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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45
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c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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47 rc = WSARecv(c->fd, io.elts, io.nelts, &bytes, &flags, NULL, NULL);
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48
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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49 rev = c->read;
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50
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51 if (rc == -1) {
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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52 rev->ready = 0;
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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53 err = ngx_socket_errno;
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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54
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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55 if (err == WSAEWOULDBLOCK) {
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0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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56 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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57 "WSARecv() not ready");
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c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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58 return NGX_AGAIN;
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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59 }
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61 rev->error = 1;
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62 ngx_connection_error(c, err, "WSARecv() failed");
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63 return NGX_ERROR;
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64 }
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65
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66 if (bytes < size) {
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67 rev->ready = 0;
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68 }
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69
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70 if (bytes == 0) {
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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71 rev->eof = 1;
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72 }
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c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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74 return bytes;
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75 }