/*

* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Specialized DM Host Server. In practice differs from 

*				 the other servers only on the capability and the name. 

*

*/

#ifndef __NSMLDMHOSTSERVER4_H__

#define __NSMLDMHOSTSERVER4_H__

// ------------------------------------------------------------------------------------------------

// Includes

// ------------------------------------------------------------------------------------------------

#include <e32base.h>

#include "nsmldmhostserver.h"

/**

* Class CNSmlDMHostServer4.

*

* @lib In order to use this class, launch nsmldmhostserver4 (.exe)

*/

class CNSmlDMHostServer4 : public CNSmlDMHostServer

	{

public:

   	/**

	* Launches the server.

	*  Calls the common code part (InitHostServer) of all specialized DM Host Servers.

	* @param (TAny*). Not used in this function. 

	*				  Kept here for possible future needs.

	* @return TInt. Return value from InitHostServer function.

	*/

    static TInt LaunchServer ( TAny* );

   	/**

	* Calls the NewL for creating the DM Host Server 4 instance.

	*  This ThreadFunction is called when the 'common initialization actions' 

	*  are successfully run.

	*  Launches the active scheduler.

	* @param aStarted. Not used.

	* @return TInt. Returns always KErrNone.

	*/

    static TInt ThreadFunction ( TAny* /*aStarted*/ );

   	/**

	* Creates a new instance of DM Host Server 4.

	*  Adds the server with the specified name to the active scheduler, 

	*  and issues the first request for messages. 

	*  Signals the global semaphore, which releases the client (DM Tree Module)

	*  from the waiting state.

	* @param aServerName. The name of the server: "nsmldmhostserver4".

	* @return CNSmlDMHostServer4*. The created server instance.

	*/

	static CNSmlDMHostServer4* NewL ( const TDesC& aServerName );

	/**

	* Destructor.

	*/

	~CNSmlDMHostServer4();

private:

	/**

	* C++ constructor.

	*/

    CNSmlDMHostServer4();

   	/**

	* Panics the server.

	*  This is called if the instance creation of DM Host Server 4 leaves,

	*  e.g. due to call 'StartL' CServer2 -function.

	* @param aPanic. The panic reason code.

	*/

    static void PanicServer ( TNSmlDmHostServerPanic aPanic );

   	/**

	* Calls CallNewSessionL.

	* @param aVersion. The version of the server.

	* @param aMessage. An object which encapsulates a client request.

	* @return CSession2*. The created new session instance.

	*/

    CSession2* NewSessionL ( const TVersion& aVersion, const RMessage2& aMessage ) const;

	};

#endif // __NSMLDMHOSTSERVER4_H__