1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* Xephyr - A kdrive X server thats runs in a host X window.
* Authored by Matthew Allum <mallum@openedhand.com>
*
* Copyright © 2007 OpenedHand Ltd
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of OpenedHand Ltd not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. OpenedHand Ltd makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
* Authors:
* Dodji Seketeli <dodji@openedhand.com>
*/
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#include <X11/Xlibint.h>
#define _HAVE_XALLOC_DECLS
#include "ephyrlog.h"
#include "ephyrhostproxy.h"
#include "hostx.h"
/* byte swap a short */
#define swaps(x, n) { \
n = ((char *) (x))[0];\
((char *) (x))[0] = ((char *) (x))[1];\
((char *) (x))[1] = n; }
#define GetXReq(req) \
WORD64ALIGN ;\
if ((dpy->bufptr + SIZEOF(xReq)) > dpy->bufmax)\
_XFlush(dpy);\
req = (xReq *)(dpy->last_req = dpy->bufptr);\
dpy->bufptr += SIZEOF(xReq);\
dpy->request++
Bool
ephyrHostProxyDoForward (pointer a_request_buffer,
struct XReply *a_reply,
Bool a_do_swap)
{
Bool is_ok = FALSE ;
int n=0 ;
Display *dpy=hostx_get_display () ;
xReq *in_req = (xReq*) a_request_buffer ;
xReq *forward_req=NULL ;
struct XReply reply ;
EPHYR_RETURN_VAL_IF_FAIL (in_req && dpy, FALSE) ;
EPHYR_LOG ("enter\n") ;
if (a_do_swap) {
swaps(&in_req->length) ;
}
EPHYR_LOG ("Req {type:%d, data:%d, length:%d}\n",
in_req->reqType, in_req->data, in_req->length) ;
GetXReq (forward_req) ;
memmove (forward_req, in_req, 4) ;
if (!_XReply (dpy, (xReply*) &reply, 0, FALSE)) {
EPHYR_LOG_ERROR ("failed to get reply\n") ;
goto out;
}
EPHYR_LOG ("XReply{type:%d, foo:%d, seqnum:%d, length:%d}\n",
reply.type, reply.foo, reply.sequence_number, reply.length) ;
if (a_reply) {
memmove (a_reply, &reply, sizeof (reply)) ;
}
is_ok = TRUE ;
out:
EPHYR_LOG ("leave\n") ;
return is_ok ;
}
|
