Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_recv.c @ 112:da763a85be66
nginx-0.0.1-2003-07-04-10:03:52 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 04 Jul 2003 06:03:52 +0000 |
parents | 738fe44c70d5 |
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rev | line source |
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738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
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1 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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2 #include <ngx_config.h> |
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nginx-0.0.1-2003-05-21-17:28:21 import
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3 #include <ngx_core.h> |
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4 #include <ngx_event.h> |
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5 |
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6 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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7 ssize_t ngx_wsarecv(ngx_connection_t *c, char *buf, size_t size) |
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nginx-0.0.1-2003-05-21-17:28:21 import
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8 { |
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9 int rc; |
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nginx-0.0.1-2003-05-21-17:28:21 import
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10 u_int flags; |
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nginx-0.0.1-2003-05-21-17:28:21 import
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11 size_t bytes; |
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nginx-0.0.1-2003-05-21-17:28:21 import
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12 ngx_err_t err; |
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nginx-0.0.1-2003-05-21-17:28:21 import
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13 WSABUF wsabuf[1]; |
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nginx-0.0.1-2003-05-21-17:28:21 import
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14 ngx_event_t *ev; |
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nginx-0.0.1-2003-05-21-17:28:21 import
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15 LPWSAOVERLAPPED_COMPLETION_ROUTINE handler; |
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nginx-0.0.1-2003-05-21-17:28:21 import
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16 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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17 ev = c->read; |
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18 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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19 /* DEBUG */ bytes = 0; |
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20 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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21 if (ev->timedout) { |
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nginx-0.0.1-2003-05-21-17:28:21 import
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22 ngx_set_socket_errno(NGX_ETIMEDOUT); |
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nginx-0.0.1-2003-05-21-17:28:21 import
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23 ngx_log_error(NGX_LOG_ERR, ev->log, 0, "WSARecv() timed out"); |
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24 |
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25 return NGX_ERROR; |
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26 } |
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27 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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28 if (ev->ready) { |
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29 ev->ready = 0; |
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30 |
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31 #if (HAVE_IOCP_EVENT) /* iocp */ |
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32 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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33 if (ngx_event_flags & NGX_HAVE_IOCP_EVENT) { |
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nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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34 if (ev->ovlp.error) { |
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nginx-0.0.1-2003-05-21-17:28:21 import
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35 ngx_log_error(NGX_LOG_ERR, c->log, ev->ovlp.error, |
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nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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36 "WSARecv() failed"); |
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37 return NGX_ERROR; |
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nginx-0.0.1-2003-05-21-17:28:21 import
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38 } |
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nginx-0.0.1-2003-05-21-17:28:21 import
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39 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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40 return ev->available; |
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nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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41 } |
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nginx-0.0.1-2003-05-21-17:28:21 import
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42 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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43 #endif |
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nginx-0.0.1-2003-05-21-17:28:21 import
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44 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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45 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &ev->ovlp, |
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nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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46 &bytes, 0, NULL) == 0) { |
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nginx-0.0.1-2003-05-21-17:28:21 import
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47 err = ngx_socket_errno; |
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nginx-0.0.1-2003-05-21-17:28:21 import
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48 ngx_log_error(NGX_LOG_CRIT, ev->log, err, |
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nginx-0.0.1-2003-05-21-17:28:21 import
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49 "WSARecv() or WSAGetOverlappedResult() failed"); |
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50 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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51 return NGX_ERROR; |
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nginx-0.0.1-2003-05-21-17:28:21 import
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52 } |
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53 |
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54 return bytes; |
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nginx-0.0.1-2003-05-21-17:28:21 import
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55 } |
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56 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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57 ngx_memzero(&ev->ovlp, sizeof(WSAOVERLAPPED)); |
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nginx-0.0.1-2003-05-21-17:28:21 import
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58 wsabuf[0].buf = buf; |
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59 wsabuf[0].len = size; |
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60 flags = 0; |
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61 |
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62 #if 0 |
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63 handler = ev->handler; |
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64 #else |
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65 handler = NULL; |
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66 #endif |
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67 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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68 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, |
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69 (LPWSAOVERLAPPED) &ev->ovlp, handler); |
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70 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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71 ngx_log_debug(ev->log, "WSARecv: %d:%d" _ rc _ bytes); |
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72 |
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73 if (rc == -1) { |
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nginx-0.0.1-2003-05-21-17:28:21 import
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74 err = ngx_socket_errno; |
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75 if (err == WSA_IO_PENDING) { |
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76 return NGX_AGAIN; |
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77 |
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78 } else { |
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79 ngx_log_error(NGX_LOG_CRIT, ev->log, err, "WSARecv() failed"); |
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80 return NGX_ERROR; |
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81 } |
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82 } |
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83 |
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84 #if (HAVE_IOCP_EVENT) /* iocp */ |
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85 |
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nginx-0.0.1-2003-05-21-17:28:21 import
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86 if (ngx_event_flags & NGX_HAVE_IOCP_EVENT) { |
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87 return NGX_AGAIN; |
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88 } |
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89 |
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90 #endif |
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91 |
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92 return bytes; |
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93 } |