Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_wsarecv.c @ 177:4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 10 Nov 2003 17:17:31 +0000 |
parents | ef8c87afcfc5 |
children | 1bf718ce0dde |
rev | line source |
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103
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nginx-0.0.1-2003-06-11-19:28:34 import
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1 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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2 #include <ngx_config.h> |
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nginx-0.0.1-2003-06-11-19:28:34 import
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3 #include <ngx_core.h> |
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nginx-0.0.1-2003-06-11-19:28:34 import
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4 #include <ngx_event.h> |
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nginx-0.0.1-2003-06-11-19:28:34 import
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5 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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6 |
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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) |
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nginx-0.0.1-2003-06-11-19:28:34 import
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8 { |
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nginx-0.0.1-2003-06-11-19:28:34 import
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9 int rc; |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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10 u_int flags; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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11 size_t bytes; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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12 WSABUF wsabuf[1]; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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13 ngx_err_t err; |
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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; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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15 LPWSAOVERLAPPED ovlp; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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16 |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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17 rev = c->read; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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18 bytes = 0; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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19 |
144
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nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
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103
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20 if ((ngx_event_flags & NGX_USE_AIO_EVENT) && rev->ready) { |
103
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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21 rev->ready = 0; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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22 |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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23 /* the overlapped WSARecv() completed */ |
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nginx-0.0.1-2003-06-11-19:28:34 import
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24 |
144
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nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
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103
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25 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
103
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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) { |
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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, |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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28 "WSARecv() failed"); |
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nginx-0.0.1-2003-06-11-19:28:34 import
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29 return NGX_ERROR; |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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30 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
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31 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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32 return rev->available; |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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33 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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34 |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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35 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &rev->ovlp, |
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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) { |
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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; |
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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, |
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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"); |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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40 |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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41 return NGX_ERROR; |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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42 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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43 |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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44 return bytes; |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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45 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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46 |
144
ef8c87afcfc5
nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
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47 if (ngx_event_flags & NGX_USE_AIO_EVENT) { |
103
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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48 ovlp = (LPWSAOVERLAPPED) &c->read->ovlp; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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49 ngx_memzero(ovlp, sizeof(WSAOVERLAPPED)); |
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nginx-0.0.1-2003-06-11-19:28:34 import
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50 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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51 } else { |
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nginx-0.0.1-2003-06-11-19:28:34 import
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52 ovlp = NULL; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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53 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
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54 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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55 wsabuf[0].buf = buf; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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56 wsabuf[0].len = size; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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57 flags = 0; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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58 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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59 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, ovlp, NULL); |
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nginx-0.0.1-2003-06-11-19:28:34 import
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60 |
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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); |
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nginx-0.0.1-2003-06-11-19:28:34 import
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62 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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63 if (rc == -1) { |
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nginx-0.0.1-2003-06-11-19:28:34 import
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64 err = ngx_socket_errno; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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65 if (err == WSA_IO_PENDING) { |
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nginx-0.0.1-2003-06-11-19:28:34 import
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66 return NGX_AGAIN; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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67 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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68 } else if (err == WSAEWOULDBLOCK) { |
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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"); |
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nginx-0.0.1-2003-06-11-19:28:34 import
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70 return NGX_AGAIN; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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71 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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72 } else { |
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nginx-0.0.1-2003-06-11-19:28:34 import
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73 ngx_log_error(NGX_LOG_CRIT, c->log, err, "WSARecv() failed"); |
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nginx-0.0.1-2003-06-11-19:28:34 import
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74 return NGX_ERROR; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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75 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
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76 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
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77 |
144
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nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
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103
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78 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
103
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nginx-0.0.1-2003-06-11-19:28:34 import
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79 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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80 /* |
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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 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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82 * then GetQueuedCompletionStatus() would anyway return its status |
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nginx-0.0.1-2003-06-11-19:28:34 import
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83 * despite that WSARecv() was already completed. |
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nginx-0.0.1-2003-06-11-19:28:34 import
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84 */ |
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nginx-0.0.1-2003-06-11-19:28:34 import
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85 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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86 return NGX_AGAIN; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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87 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
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88 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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89 return bytes; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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90 } |