Mercurial > hg > nginx
comparison src/event/ngx_event_wsarecv.c @ 59:e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 06 Feb 2003 17:21:13 +0000 |
parents | |
children | 8dee38ea9117 |
comparison
equal
deleted
inserted
replaced
58:6b13b1cadabe | 59:e8cdc2989cee |
---|---|
1 | |
2 #include <ngx_config.h> | |
3 | |
4 #include <ngx_core.h> | |
5 #include <ngx_errno.h> | |
6 #include <ngx_log.h> | |
7 #include <ngx_connection.h> | |
8 #include <ngx_event.h> | |
9 | |
10 | |
11 ssize_t ngx_event_wsarecv(ngx_connection_t *c, char *buf, size_t size) | |
12 { | |
13 int rc; | |
14 u_int flags; | |
15 size_t bytes; | |
16 ngx_err_t err; | |
17 WSABUF wsabuf[1]; | |
18 ngx_event_t *ev; | |
19 LPWSAOVERLAPPED_COMPLETION_ROUTINE handler; | |
20 | |
21 ev = c->read; | |
22 | |
23 /* DEBUG */ bytes = 0; | |
24 | |
25 if (ev->timedout) { | |
26 ngx_set_socket_errno(NGX_ETIMEDOUT); | |
27 ngx_log_error(NGX_LOG_ERR, ev->log, 0, "WSARecv() timed out"); | |
28 | |
29 return NGX_ERROR; | |
30 } | |
31 | |
32 if (ev->ready) { | |
33 ev->ready = 0; | |
34 | |
35 #if (HAVE_IOCP_EVENT) /* iocp */ | |
36 | |
37 if (ngx_event_flags & NGX_HAVE_IOCP_EVENT) { | |
38 if (ev->ovlp.error) { | |
39 ngx_log_error(NGX_LOG_ERR, c->log, ev->ovlp.error, | |
40 "WSARecv() failed"); | |
41 return NGX_ERROR; | |
42 } | |
43 | |
44 return ev->available; | |
45 } | |
46 | |
47 #endif | |
48 | |
49 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &ev->ovlp, | |
50 &bytes, 0, NULL) == 0) { | |
51 err = ngx_socket_errno; | |
52 ngx_log_error(NGX_LOG_CRIT, ev->log, err, | |
53 "WSARecv() or WSAGetOverlappedResult() failed"); | |
54 | |
55 return NGX_ERROR; | |
56 } | |
57 | |
58 return bytes; | |
59 } | |
60 | |
61 ngx_memzero(&ev->ovlp, sizeof(WSAOVERLAPPED)); | |
62 wsabuf[0].buf = buf; | |
63 wsabuf[0].len = size; | |
64 flags = 0; | |
65 | |
66 #if 0 | |
67 handler = ev->handler; | |
68 #else | |
69 handler = NULL; | |
70 #endif | |
71 | |
72 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, | |
73 (LPWSAOVERLAPPED) &ev->ovlp, handler); | |
74 | |
75 ngx_log_debug(ev->log, "WSARecv: %d:%d" _ rc _ bytes); | |
76 | |
77 if (rc == -1) { | |
78 err = ngx_socket_errno; | |
79 if (err == WSA_IO_PENDING) { | |
80 return NGX_AGAIN; | |
81 | |
82 } else { | |
83 ngx_log_error(NGX_LOG_CRIT, ev->log, err, "WSARecv() failed"); | |
84 return NGX_ERROR; | |
85 } | |
86 } | |
87 | |
88 #if (HAVE_IOCP_EVENT) /* iocp */ | |
89 | |
90 if (ngx_event_flags & NGX_HAVE_IOCP_EVENT) { | |
91 return NGX_AGAIN; | |
92 } | |
93 | |
94 #endif | |
95 | |
96 return bytes; | |
97 } |