annotate src/os/win32/ngx_wsarecv.c @ 282:30310107dbc9

nginx-0.0.2-2004-03-09-22:47:07 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 09 Mar 2004 19:47:07 +0000
parents 7c7183b3ea8b
children a472bfb778b3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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1
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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2 #include <ngx_config.h>
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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3 #include <ngx_core.h>
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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4 #include <ngx_event.h>
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5
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
Igor Sysoev <igor@sysoev.ru>
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7 ssize_t ngx_wsarecv(ngx_connection_t *c, char *buf, size_t size)
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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8 {
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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9 int rc;
280
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10 u_long bytes, flags;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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11 WSABUF wsabuf[1];
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12 ngx_err_t err;
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13 ngx_event_t *rev;
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14
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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15 wsabuf[0].buf = buf;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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16 wsabuf[0].len = size;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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17 flags = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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18 bytes = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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19
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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20 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, NULL, NULL);
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21
278
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22 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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23 "WSARecv: fd:%d rc:%d %d of %d", c->fd, rc, bytes, size);
184
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24
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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25 rev = c->read;
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26
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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27 if (rc == -1) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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28 rev->ready = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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29 err = ngx_socket_errno;
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30
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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31 if (err == WSAEWOULDBLOCK) {
278
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32 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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33 "WSARecv() not ready");
184
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34 return NGX_AGAIN;
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35 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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36
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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37 rev->error = 1;
278
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38 ngx_connection_error(c, err, "WSARecv() failed");
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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39
184
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40 return NGX_ERROR;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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41 }
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42
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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43 if (bytes < size) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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44 rev->ready = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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45 }
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46
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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47 if (bytes == 0) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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48 rev->eof = 1;
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49 }
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50
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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51 return bytes;
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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53
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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54
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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55 ssize_t ngx_overlapped_wsarecv(ngx_connection_t *c, char *buf, size_t size)
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 int rc;
280
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58 u_long bytes, flags;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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59 WSABUF wsabuf[1];
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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60 ngx_err_t err;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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61 ngx_event_t *rev;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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62 LPWSAOVERLAPPED ovlp;
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63
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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64 rev = c->read;
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65
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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66 if (!rev->ready) {
282
30310107dbc9 nginx-0.0.2-2004-03-09-22:47:07 import
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67 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "second wsa post");
184
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68 return NGX_AGAIN;
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69 }
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70
278
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71 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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72 "rev->complete: %d", rev->complete);
184
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73
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74 if (rev->complete) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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75 rev->complete = 0;
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76
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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77 if (ngx_event_flags & NGX_USE_IOCP_EVENT) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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78 if (rev->ovlp.error) {
278
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79 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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80 return NGX_ERROR;
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81 }
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82
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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83 return rev->available;
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84 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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85
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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86 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &rev->ovlp,
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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87 &bytes, 0, NULL) == 0) {
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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88 ngx_connection_error(c, ngx_socket_errno,
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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89 "WSARecv() or WSAGetOverlappedResult() failed");
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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90 return NGX_ERROR;
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91 }
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92
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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93 return bytes;
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94 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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95
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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96 ovlp = (LPWSAOVERLAPPED) &rev->ovlp;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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97 ngx_memzero(ovlp, sizeof(WSAOVERLAPPED));
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98 wsabuf[0].buf = buf;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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99 wsabuf[0].len = size;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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100 flags = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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101 bytes = 0;
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102
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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103 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, ovlp, NULL);
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104
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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105 rev->complete = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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diff changeset
106
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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107 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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108 "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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109
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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110 if (rc == -1) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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111 err = ngx_socket_errno;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
diff changeset
112 if (err == WSA_IO_PENDING) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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113 rev->active = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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114 return NGX_AGAIN;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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115 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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116
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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117 rev->error = 1;
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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parents: 184
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118 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
119 return NGX_ERROR;
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 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
123
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 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
126 * 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
127 * 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
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 rev->active = 1;
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 if (bytes == 0) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
135 rev->eof = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
136 rev->ready = 0;
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 } else {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
139 rev->ready = 1;
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 rev->active = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
143
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
144 return bytes;
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 #if 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 /* 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
150
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
151 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
152 {
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 int rc;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154 u_int flags;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 size_t bytes;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 WSABUF wsabuf[1];
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 ngx_err_t err;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 ngx_event_t *rev;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159 LPWSAOVERLAPPED ovlp;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161 rev = c->read;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162 bytes = 0;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163
144
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
164 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
165 rev->ready = 0;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167 /* the overlapped WSARecv() completed */
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_IOCP_EVENT) {
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170 if (rev->ovlp.error) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171 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
172 "WSARecv() failed");
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 return NGX_ERROR;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 return rev->available;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 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
180 &bytes, 0, NULL) == 0) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181 err = ngx_socket_errno;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182 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
183 "WSARecv() or WSAGetOverlappedResult() failed");
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 return NGX_ERROR;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 return bytes;
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
144
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
191 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
192 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
193 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
194
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195 } else {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196 ovlp = NULL;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199 wsabuf[0].buf = buf;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 wsabuf[0].len = size;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 flags = 0;
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 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
204
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205 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
206
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 if (rc == -1) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 err = ngx_socket_errno;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209 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
210 return NGX_AGAIN;
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 } else if (err == WSAEWOULDBLOCK) {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 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
214 return NGX_AGAIN;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 } else {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217 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
218 return NGX_ERROR;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
219 }
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
144
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
222 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
223
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 * 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
226 * 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
227 * 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
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 return NGX_AGAIN;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231 }
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
232
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 return bytes;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234 }
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
235
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
236 #endif