Mercurial > hg > nginx

annotate src/os/win32/ngx_wsarecv.c @ 444:42d11f017717

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
author Igor Sysoev <igor@sysoev.ru>
date Wed, 29 Sep 2004 16:00:49 +0000
parents da8c5707af39
children a88a3e4e158f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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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
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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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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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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9 #include <ngx_event.h>
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a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import
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12 ssize_t ngx_wsarecv(ngx_connection_t *c, u_char *buf, size_t size)
103
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13 {
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1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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14 int rc;
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7c7183b3ea8b nginx-0.0.2-2004-03-05-11:34:24 import
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15 u_long bytes, flags;
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1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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16 WSABUF wsabuf[1];
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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17 ngx_err_t err;
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18 ngx_event_t *rev;
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19
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20 wsabuf[0].buf = (char *) buf;
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21 wsabuf[0].len = size;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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22 flags = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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23 bytes = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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24
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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25 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, NULL, NULL);
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26
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0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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27 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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28 "WSARecv: fd:%d rc:%d %d of %d", c->fd, rc, bytes, size);
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29
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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30 rev = c->read;
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31
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32 if (rc == -1) {
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33 rev->ready = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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34 err = ngx_socket_errno;
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35
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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36 if (err == WSAEWOULDBLOCK) {
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37 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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38 "WSARecv() not ready");
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39 return NGX_AGAIN;
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40 }
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 rev->error = 1;
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0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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43 ngx_connection_error(c, err, "WSARecv() failed");
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44
184
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45 return NGX_ERROR;
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46 }
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47
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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48 if (bytes < size) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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49 rev->ready = 0;
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50 }
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 if (bytes == 0) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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53 rev->eof = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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54 }
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55
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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56 return bytes;
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57 }
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
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a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import
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60 ssize_t ngx_overlapped_wsarecv(ngx_connection_t *c, u_char *buf, size_t size)
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61 {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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62 int rc;
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7c7183b3ea8b nginx-0.0.2-2004-03-05-11:34:24 import
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63 u_long bytes, flags;
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1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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64 WSABUF wsabuf[1];
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65 ngx_err_t err;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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66 ngx_event_t *rev;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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67 LPWSAOVERLAPPED ovlp;
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68
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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69 rev = c->read;
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70
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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71 if (!rev->ready) {
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30310107dbc9 nginx-0.0.2-2004-03-09-22:47:07 import
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72 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "second wsa post");
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73 return NGX_AGAIN;
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74 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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75
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76 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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77 "rev->complete: %d", rev->complete);
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78
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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79 if (rev->complete) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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80 rev->complete = 0;
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81
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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82 if (ngx_event_flags & NGX_USE_IOCP_EVENT) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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83 if (rev->ovlp.error) {
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0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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84 ngx_connection_error(c, rev->ovlp.error, "WSARecv() failed");
184
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85 return NGX_ERROR;
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86 }
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87
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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88 return rev->available;
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89 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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90
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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91 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &rev->ovlp,
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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92 &bytes, 0, NULL) == 0) {
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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93 ngx_connection_error(c, ngx_socket_errno,
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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94 "WSARecv() or WSAGetOverlappedResult() failed");
184
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95 return NGX_ERROR;
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96 }
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97
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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98 return bytes;
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99 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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100
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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101 ovlp = (LPWSAOVERLAPPED) &rev->ovlp;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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102 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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103 wsabuf[0].buf = (char *) buf;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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104 wsabuf[0].len = size;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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105 flags = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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106 bytes = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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107
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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108 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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109
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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110 rev->complete = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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111
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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112 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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parents: 184
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113 "WSARecv: fd:%d rc:%d %d of %d", c->fd, rc, bytes, size);
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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114
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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115 if (rc == -1) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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116 err = ngx_socket_errno;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
diff changeset
117 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
118 rev->active = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
119 return NGX_AGAIN;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
120 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
121
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
122 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
123 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
124 return NGX_ERROR;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
125 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
126
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
127 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
128
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
129 /*
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
130 * 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
131 * 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
132 * 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
133 */
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
134
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
135 rev->active = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
136 return NGX_AGAIN;
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 (bytes == 0) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
140 rev->eof = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
141 rev->ready = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
142
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
143 } else {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
144 rev->ready = 1;
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 = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
148
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
149 return bytes;
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
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
152 #if 0
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
153
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
154 /* DELELTE IT WHEN ABOVE FUNC WOULD BE TESTED */
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
155
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
156 ssize_t ngx_wsarecv(ngx_connection_t *c, char *buf, size_t size)
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
157 {
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 int rc;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159 u_int flags;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160 size_t bytes;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161 WSABUF wsabuf[1];
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162 ngx_err_t err;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163 ngx_event_t *rev;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164 LPWSAOVERLAPPED ovlp;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166 rev = c->read;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167 bytes = 0;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168
144
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
169 if ((ngx_event_flags & NGX_USE_AIO_EVENT) && rev->ready) {
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170 rev->ready = 0;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172 /* the overlapped WSARecv() completed */
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173
144
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
174 if (ngx_event_flags & NGX_USE_IOCP_EVENT) {
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175 if (rev->ovlp.error) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 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>
parents:
diff changeset
177 "WSARecv() failed");
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178 return NGX_ERROR;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181 return rev->available;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &rev->ovlp,
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 &bytes, 0, NULL) == 0) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186 err = ngx_socket_errno;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187 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>
parents:
diff changeset
188 "WSARecv() or WSAGetOverlappedResult() failed");
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 return NGX_ERROR;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193 return bytes;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195
144
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
196 if (ngx_event_flags & NGX_USE_AIO_EVENT) {
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 ovlp = (LPWSAOVERLAPPED) &c->read->ovlp;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198 ngx_memzero(ovlp, sizeof(WSAOVERLAPPED));
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 } else {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 ovlp = NULL;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 wsabuf[0].buf = buf;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205 wsabuf[0].len = size;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 flags = 0;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, ovlp, NULL);
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210 ngx_log_debug(c->log, "WSARecv: %d:%d" _ rc _ bytes);
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 if (rc == -1) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 err = ngx_socket_errno;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 if (err == WSA_IO_PENDING) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215 return NGX_AGAIN;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217 } else if (err == WSAEWOULDBLOCK) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218 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>
parents:
diff changeset
219 return NGX_AGAIN;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
220
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
221 } else {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
222 ngx_log_error(NGX_LOG_CRIT, c->log, err, "WSARecv() failed");
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 return NGX_ERROR;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
224 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
226
144
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
227 if (ngx_event_flags & NGX_USE_IOCP_EVENT) {
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229 /*
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230 * If a socket was bound with I/O completion port
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231 * then GetQueuedCompletionStatus() would anyway return its status
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
232 * despite that WSARecv() was already completed.
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 */
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235 return NGX_AGAIN;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
236 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238 return bytes;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 }
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
240
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
241 #endif