95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
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/*
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* Xephyr - A kdrive X server thats runs in a host X window.
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* Authored by Matthew Allum <mallum@openedhand.com>
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*
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* Copyright © 2007 OpenedHand Ltd
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of OpenedHand Ltd not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. OpenedHand Ltd makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* Authors:
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* Dodji Seketeli <dodji@openedhand.com>
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*/
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#ifdef HAVE_CONFIG_H
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#include <kdrive-config.h>
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#endif
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#include <X11/Xlibint.h>
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#define _HAVE_XALLOC_DECLS
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#include "ephyrlog.h"
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#include "ephyrhostproxy.h"
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#include "hostx.h"
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/* byte swap a short */
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#define swaps(x, n) { \
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n = ((char *) (x))[0];\
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((char *) (x))[0] = ((char *) (x))[1];\
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((char *) (x))[1] = n; }
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#define GetXReq(req) \
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WORD64ALIGN ;\
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if ((dpy->bufptr + SIZEOF(xReq)) > dpy->bufmax)\
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_XFlush(dpy);\
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req = (xReq *)(dpy->last_req = dpy->bufptr);\
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dpy->bufptr += SIZEOF(xReq);\
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dpy->request++
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Bool
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ephyrHostProxyDoForward (pointer a_request_buffer,
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struct XReply *a_reply,
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Bool a_do_swap)
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{
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Bool is_ok = FALSE ;
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int n=0 ;
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Display *dpy=hostx_get_display () ;
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xReq *in_req = (xReq*) a_request_buffer ;
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xReq *forward_req=NULL ;
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struct XReply reply ;
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EPHYR_RETURN_VAL_IF_FAIL (in_req && dpy, FALSE) ;
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EPHYR_LOG ("enter\n") ;
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if (a_do_swap) {
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swaps (&in_req->length, n) ;
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}
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EPHYR_LOG ("Req {type:%d, data:%d, length:%d}\n",
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in_req->reqType, in_req->data, in_req->length) ;
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GetXReq (forward_req) ;
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memmove (forward_req, in_req, 4) ;
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if (!_XReply (dpy, (xReply*) &reply, 0, FALSE)) {
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EPHYR_LOG_ERROR ("failed to get reply\n") ;
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goto out;
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}
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EPHYR_LOG ("XReply{type:%d, foo:%d, seqnum:%d, length:%d}\n",
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reply.type, reply.foo, reply.sequence_number, reply.length) ;
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if (a_reply) {
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memmove (a_reply, &reply, sizeof (reply)) ;
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}
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is_ok = TRUE ;
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out:
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EPHYR_LOG ("leave\n") ;
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return is_ok ;
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}
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