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/*
* 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>
*/
/*
* \file
* This file defines a proxy extension that forwards requests.
* When a request to extension FOO is sent to Xephyr, that request is forwared
* to the host X, without even trying to know what the request means.
*/
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#include "misc.h"
#include "dixstruct.h"
#include "extnsionst.h"
#include "ephyrproxyext.h"
#define _HAVE_XALLOC_DECLS
#include "ephyrlog.h"
#include "ephyrhostproxy.h"
#include "hostx.h"
static Bool ephyrProxyGetHostExtensionInfo(const char *a_ext_name,
int *a_major_opcode,
int *a_first_event,
int *a_first_error);
static int ephyrProxyProcDispatch(ClientPtr client);
static Bool
ephyrProxyGetHostExtensionInfo(const char *a_ext_name,
int *a_major_opcode,
int *a_first_event, int *a_first_error)
{
return hostx_get_extension_info(a_ext_name, a_major_opcode,
a_first_event, a_first_error);
}
static int
ephyrProxyProcDispatch(ClientPtr a_client)
{
int res = BadImplementation;
struct XReply reply;
if (!ephyrHostProxyDoForward(a_client->requestBuffer, &reply, FALSE)) {
EPHYR_LOG_ERROR("forwarding failed\n");
goto out;
}
reply.sequence_number = a_client->sequence;
res = Success;
WriteToClient(a_client, 32, &reply);
out:
return res;
}
static void
ephyrProxyProcReset(ExtensionEntry * a_entry)
{
}
Bool
ephyrProxyExtensionInit(const char *a_extension_name)
{
Bool is_ok = FALSE;
int major_opcode = 0, first_event = 0, first_error = 0;
ExtensionEntry *ext = NULL;
if (!ephyrProxyGetHostExtensionInfo(a_extension_name,
&major_opcode,
&first_event, &first_error)) {
EPHYR_LOG("failed to query extension %s from host\n", a_extension_name);
goto out;
}
ext = AddExtension((char *) a_extension_name, 0, 0,
ephyrProxyProcDispatch,
ephyrProxyProcDispatch,
ephyrProxyProcReset, StandardMinorOpcode);
if (!ext) {
EPHYR_LOG_ERROR("failed to add the extension\n");
goto out;
}
is_ok = TRUE;
out:
EPHYR_LOG("leave\n");
return is_ok;
}
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