Mercurial > hg > nginx

annotate src/os/win32/ngx_wsarecv.c @ 103:6dfda4cf5200

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nginx-0.0.1-2003-06-11-19:28:34 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 11 Jun 2003 15:28:34 +0000
parents
children ef8c87afcfc5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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1
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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2 #include <ngx_config.h>
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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3 #include <ngx_core.h>
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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4 #include <ngx_event.h>
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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5
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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6
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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7 ssize_t ngx_wsarecv(ngx_connection_t *c, char *buf, size_t size)
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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8 {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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9 int rc;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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10 u_int flags;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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11 size_t bytes;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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12 WSABUF wsabuf[1];
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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13 ngx_err_t err;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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14 ngx_event_t *rev;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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15 LPWSAOVERLAPPED ovlp;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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16
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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17 rev = c->read;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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18 bytes = 0;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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19
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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20 if ((ngx_event_flags & NGX_HAVE_AIO_EVENT) && rev->ready) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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21 rev->ready = 0;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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22
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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23 /* the overlapped WSARecv() completed */
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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24
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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25 if (ngx_event_flags & NGX_HAVE_IOCP_EVENT) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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26 if (rev->ovlp.error) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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27 ngx_log_error(NGX_LOG_ERR, c->log, rev->ovlp.error,
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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28 "WSARecv() failed");
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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29 return NGX_ERROR;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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30 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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31
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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32 return rev->available;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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33 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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34
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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35 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &rev->ovlp,
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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36 &bytes, 0, NULL) == 0) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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37 err = ngx_socket_errno;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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38 ngx_log_error(NGX_LOG_CRIT, c->log, err,
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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39 "WSARecv() or WSAGetOverlappedResult() failed");
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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40
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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41 return NGX_ERROR;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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42 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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43
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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44 return bytes;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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45 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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46
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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47 if (ngx_event_flags & NGX_HAVE_AIO_EVENT) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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48 ovlp = (LPWSAOVERLAPPED) &c->read->ovlp;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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49 ngx_memzero(ovlp, sizeof(WSAOVERLAPPED));
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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50
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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51 } else {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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52 ovlp = NULL;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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53 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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54
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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55 wsabuf[0].buf = buf;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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56 wsabuf[0].len = size;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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57 flags = 0;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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58
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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59 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, ovlp, NULL);
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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60
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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61 ngx_log_debug(c->log, "WSARecv: %d:%d" _ rc _ bytes);
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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62
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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63 if (rc == -1) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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64 err = ngx_socket_errno;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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65 if (err == WSA_IO_PENDING) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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66 return NGX_AGAIN;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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67
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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68 } else if (err == WSAEWOULDBLOCK) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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69 ngx_log_error(NGX_LOG_INFO, c->log, err, "WSARecv() EAGAIN");
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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70 return NGX_AGAIN;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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71
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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72 } else {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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73 ngx_log_error(NGX_LOG_CRIT, c->log, err, "WSARecv() failed");
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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74 return NGX_ERROR;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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75 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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76 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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77
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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78 if (ngx_event_flags & NGX_HAVE_IOCP_EVENT) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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79
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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80 /*
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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81 * If a socket was bound with I/O completion port
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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82 * then GetQueuedCompletionStatus() would anyway return its status
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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83 * despite that WSARecv() was already completed.
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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84 */
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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85
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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86 return NGX_AGAIN;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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87 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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88
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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89 return bytes;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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90 }