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