examples/Base/IPC/AdvancedClientServerExample/ProcessServer/inc/processserver.h

// Copyright (c) 2007-2009 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:
//

#ifndef __PROCESSSERVER_H__
#define __PROCESSSERVER_H__

#include <e32base.h>
#include <e32std.h>
#include "shutdownserver.h"
#include "processclientserver.h"
#include "driver1.h"

class CAsyncHandler; 
class CProcessServer : public CServer2
        {
public:
        enum TDriverState
                {
                EStateUnknown,
                EDriverLoaded,
                ELogicalChannelOpened,
                ESendingData,
                ELogicalChannelClosed,
                EDriverUnloaded
                };
        static void NewLC();
        ~CProcessServer();
        CSession2* NewSessionL(const TVersion& aVersion,const RMessage2& aMessage) const;
        void IncrementRefCount();
        void DecrementRefCount();
        TInt LoadDevice();
        TInt UnloadDevice();
        TInt OpenLogicalChannel();
        void CloseLogicalChannel();
        TInt SendDataToDevice(TRequestStatus& aStatus, const TDesC8& aData);
        void CancelSendData();
        void UpdateDriverState(TDriverState aState);
        
private:
        CProcessServer();
        void ConstructL();

private:
        TInt                                    iRefCount;
        CDelayServerShutDown*   iDelayProcessServerShutDown;
        RDriver1                                iDriver;
        TDriverState                    iDriverState;
        };
        


#endif

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