Mercurial > hg > nginx

annotate src/os/win32/ngx_wsarecv.c @ 1680:e438ec9e736a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
style fix
author Igor Sysoev <igor@sysoev.ru>
date Sat, 01 Dec 2007 20:25:32 +0000
parents a88a3e4e158f
children 01c691e31032
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 292
diff changeset
1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 292
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2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 292
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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6
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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parents:
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7 #include <ngx_config.h>
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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parents:
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8 #include <ngx_core.h>
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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parents:
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9 #include <ngx_event.h>
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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10
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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11
1680
e438ec9e736a style fix
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parents: 461
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12 ssize_t
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13 ngx_wsarecv(ngx_connection_t *c, u_char *buf, size_t size)
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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14 {
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1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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15 int rc;
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7c7183b3ea8b nginx-0.0.2-2004-03-05-11:34:24 import
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16 u_long bytes, flags;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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17 WSABUF wsabuf[1];
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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18 ngx_err_t err;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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19 ngx_event_t *rev;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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20
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a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import
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21 wsabuf[0].buf = (char *) buf;
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22 wsabuf[0].len = size;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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23 flags = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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24 bytes = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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25
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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26 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, NULL, NULL);
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27
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0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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28 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
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29 "WSARecv: fd:%d rc:%d %ul of %z", c->fd, rc, bytes, size);
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30
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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31 rev = c->read;
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32
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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33 if (rc == -1) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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34 rev->ready = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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35 err = ngx_socket_errno;
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36
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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37 if (err == WSAEWOULDBLOCK) {
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0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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38 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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39 "WSARecv() not ready");
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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40 return NGX_AGAIN;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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41 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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42
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
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43 rev->error = 1;
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0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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44 ngx_connection_error(c, err, "WSARecv() failed");
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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45
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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46 return NGX_ERROR;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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47 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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48
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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49 if (bytes < size) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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50 rev->ready = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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51 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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52
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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53 if (bytes == 0) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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54 rev->eof = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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55 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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56
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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57 return bytes;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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58 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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59
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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60
1680
e438ec9e736a style fix
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parents: 461
diff changeset
61 ssize_t
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62 ngx_overlapped_wsarecv(ngx_connection_t *c, u_char *buf, size_t size)
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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63 {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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64 int rc;
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7c7183b3ea8b nginx-0.0.2-2004-03-05-11:34:24 import
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65 u_long bytes, flags;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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66 WSABUF wsabuf[1];
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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67 ngx_err_t err;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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68 ngx_event_t *rev;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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69 LPWSAOVERLAPPED ovlp;
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70
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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71 rev = c->read;
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72
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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73 if (!rev->ready) {
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30310107dbc9 nginx-0.0.2-2004-03-09-22:47:07 import
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74 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "second wsa post");
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75 return NGX_AGAIN;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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76 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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77
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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78 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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79 "rev->complete: %d", rev->complete);
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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80
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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81 if (rev->complete) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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82 rev->complete = 0;
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83
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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84 if (ngx_event_flags & NGX_USE_IOCP_EVENT) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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85 if (rev->ovlp.error) {
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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86 ngx_connection_error(c, rev->ovlp.error, "WSARecv() failed");
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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87 return NGX_ERROR;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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88 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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89
461
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90 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
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91 "WSARecv ovlp: fd:%d %ul of %z",
a88a3e4e158f nginx-0.1.5-RELEASE import
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92 c->fd, rev->available, size);
a88a3e4e158f nginx-0.1.5-RELEASE import
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93
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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94 return rev->available;
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95 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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96
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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97 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &rev->ovlp,
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
98 &bytes, 0, NULL) == 0) {
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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parents: 184
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99 ngx_connection_error(c, ngx_socket_errno,
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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parents: 184
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100 "WSARecv() or WSAGetOverlappedResult() failed");
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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101 return NGX_ERROR;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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102 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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103
461
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parents: 444
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104 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
a88a3e4e158f nginx-0.1.5-RELEASE import
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parents: 444
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105 "WSARecv: fd:%d %ul of %z", c->fd, bytes, size);
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106
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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107 return bytes;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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108 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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109
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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110 ovlp = (LPWSAOVERLAPPED) &rev->ovlp;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
diff changeset
111 ngx_memzero(ovlp, sizeof(WSAOVERLAPPED));
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a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import
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parents: 282
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112 wsabuf[0].buf = (char *) buf;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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113 wsabuf[0].len = size;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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114 flags = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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115 bytes = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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116
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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117 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, ovlp, NULL);
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
diff changeset
118
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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diff changeset
119 rev->complete = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
120
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
121 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
122 "WSARecv ovlp: fd:%d rc:%d %ul of %z",
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
123 c->fd, rc, bytes, size);
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
124
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
125 if (rc == -1) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
126 err = ngx_socket_errno;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
127 if (err == WSA_IO_PENDING) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
128 rev->active = 1;
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
129 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
130 "WSARecv() posted");
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
131 return NGX_AGAIN;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
132 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
133
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
134 rev->error = 1;
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
135 ngx_connection_error(c, err, "WSARecv() failed");
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
136 return NGX_ERROR;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
137 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
138
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
139 if (ngx_event_flags & NGX_USE_IOCP_EVENT) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
140
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
141 /*
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
142 * if a socket was bound with I/O completion port
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
143 * then GetQueuedCompletionStatus() would anyway return its status
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
144 * despite that WSARecv() was already complete
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
145 */
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
146
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
147 rev->active = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
148 return NGX_AGAIN;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
149 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
150
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
151 if (bytes == 0) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
152 rev->eof = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
153 rev->ready = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
154
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
155 } else {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
156 rev->ready = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
157 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
158
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
159 rev->active = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
160
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
161 return bytes;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
162 }