/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 *

 * Copyright 2016 Jiang Zihao <zihao.jiang@yahoo.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <freerdp/server/shadow.h>

struct _RDP_SHADOW_SUBSYSTEM

{

	const char* name;

	pfnShadowSubsystemEntry entry;

};

typedef struct _RDP_SHADOW_SUBSYSTEM RDP_SHADOW_SUBSYSTEM;

#ifdef WITH_SHADOW_X11

extern int X11_ShadowSubsystemEntry(RDP_SHADOW_ENTRY_POINTS* pEntryPoints);

#endif

#ifdef WITH_SHADOW_MAC

extern int Mac_ShadowSubsystemEntry(RDP_SHADOW_ENTRY_POINTS* pEntryPoints);

#endif

#ifdef WITH_SHADOW_WIN

extern int Win_ShadowSubsystemEntry(RDP_SHADOW_ENTRY_POINTS* pEntryPoints);

#endif

static RDP_SHADOW_SUBSYSTEM g_Subsystems[] = {

#ifdef WITH_SHADOW_X11

	{ "X11", X11_ShadowSubsystemEntry },

#endif

#ifdef WITH_SHADOW_MAC

	{ "Mac", Mac_ShadowSubsystemEntry },

#endif

#ifdef WITH_SHADOW_WIN

	{ "Win", Win_ShadowSubsystemEntry },

#endif

	{ "", NULL }

};

static int g_SubsystemCount = (sizeof(g_Subsystems) / sizeof(g_Subsystems[0]));

static pfnShadowSubsystemEntry shadow_subsystem_load_static_entry(const char* name)

{

	int index;

	if (!name)

	{

		for (index = 0; index < g_SubsystemCount; index++)

		{

			if (g_Subsystems[index].name)

				return g_Subsystems[index].entry;

		}

		return NULL;

	}

	for (index = 0; index < g_SubsystemCount; index++)

	{

		if (strcmp(name, g_Subsystems[index].name) == 0)

			return g_Subsystems[index].entry;

	}

	return NULL;

}

void shadow_subsystem_set_entry_builtin(const char* name)

{

	pfnShadowSubsystemEntry entry;

	entry = shadow_subsystem_load_static_entry(name);

	if (entry)

		shadow_subsystem_set_entry(entry);

	return;

}