annotate src/os/win32/ngx_recv.c @ 98:c9b243802a17

nginx-0.0.1-2003-05-30-18:27:59 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 30 May 2003 14:27:59 +0000
parents 738fe44c70d5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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1
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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2 #include <ngx_config.h>
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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3 #include <ngx_core.h>
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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4 #include <ngx_event.h>
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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5
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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6
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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7 ssize_t ngx_wsarecv(ngx_connection_t *c, char *buf, size_t size)
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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8 {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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9 int rc;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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10 u_int flags;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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11 size_t bytes;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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12 ngx_err_t err;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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13 WSABUF wsabuf[1];
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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14 ngx_event_t *ev;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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15 LPWSAOVERLAPPED_COMPLETION_ROUTINE handler;
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16
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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17 ev = c->read;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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18
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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19 /* DEBUG */ bytes = 0;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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20
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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21 if (ev->timedout) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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22 ngx_set_socket_errno(NGX_ETIMEDOUT);
738fe44c70d5 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
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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25 return NGX_ERROR;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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26 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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27
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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28 if (ev->ready) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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29 ev->ready = 0;
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30
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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31 #if (HAVE_IOCP_EVENT) /* iocp */
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32
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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33 if (ngx_event_flags & NGX_HAVE_IOCP_EVENT) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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34 if (ev->ovlp.error) {
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35 ngx_log_error(NGX_LOG_ERR, c->log, ev->ovlp.error,
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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36 "WSARecv() failed");
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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37 return NGX_ERROR;
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38 }
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39
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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40 return ev->available;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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41 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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42
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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43 #endif
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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44
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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45 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &ev->ovlp,
738fe44c70d5 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) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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47 err = ngx_socket_errno;
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48 ngx_log_error(NGX_LOG_CRIT, ev->log, err,
738fe44c70d5 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
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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51 return NGX_ERROR;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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52 }
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53
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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54 return bytes;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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55 }
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56
738fe44c70d5 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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58 wsabuf[0].buf = buf;
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59 wsabuf[0].len = size;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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60 flags = 0;
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61
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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62 #if 0
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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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
738fe44c70d5 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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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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74 err = ngx_socket_errno;
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75 if (err == WSA_IO_PENDING) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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76 return NGX_AGAIN;
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77
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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78 } else {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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79 ngx_log_error(NGX_LOG_CRIT, ev->log, err, "WSARecv() failed");
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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80 return NGX_ERROR;
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81 }
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82 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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83
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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84 #if (HAVE_IOCP_EVENT) /* iocp */
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85
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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86 if (ngx_event_flags & NGX_HAVE_IOCP_EVENT) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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87 return NGX_AGAIN;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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88 }
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89
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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90 #endif
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91
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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92 return bytes;
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93 }