sl@0: /*
sl@0: * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description:
sl@0: *
sl@0: */
sl@0: /**
sl@0:  Implements a thread per device functionality
sl@0:  */
sl@0: 
sl@0: /** @file
sl@0: @internalTechnology
sl@0: */
sl@0: 
sl@0: #ifndef CUSBMASSSTORAGEDEVICETHREAD_H
sl@0: #define CUSBMASSSTORAGEDEVICETHREAD_H
sl@0: 
sl@0: 
sl@0: class TDeviceHandler
sl@0:     {
sl@0: public:
sl@0:     TDeviceHandler(CUsbHostMsDevice& aDevice);
sl@0: 	void HandleMessageL(const RMessage2& aMessage);
sl@0: 
sl@0: private:
sl@0:     CUsbHostMsDevice& iDevice;
sl@0:     };
sl@0: 
sl@0: 
sl@0: class TLogicalUnitHandler
sl@0:     {
sl@0: public:
sl@0:     TLogicalUnitHandler(CUsbHostMsLogicalUnit& aLu);
sl@0: 	void HandleMessageL(const RMessage2& aMessage);
sl@0: 
sl@0: private:
sl@0: 	CUsbHostMsLogicalUnit& iLu;
sl@0:     };
sl@0: 
sl@0: class CUsbHostMsSession;
sl@0: 
sl@0: class CUsbHostMsDeviceThread : public CActive
sl@0:     {
sl@0: public:
sl@0:     static const TInt KMaxNumMessage = 32;
sl@0: 
sl@0: 	static CUsbHostMsDeviceThread* NewL(CUsbHostMsSession& aUsbHostMsSession, TUint aToken);
sl@0: 	~CUsbHostMsDeviceThread();
sl@0: 
sl@0: private:
sl@0:     CUsbHostMsDeviceThread(CUsbHostMsSession& aUsbHostMsSession, TUint aToken);
sl@0: 
sl@0: public:
sl@0: 	static TInt Entry(TAny* aPtr);
sl@0: 	TInt QueueMsg(const RMessage2& aMsg);
sl@0:     void Lock();
sl@0:     void Unlock();
sl@0: 
sl@0: 
sl@0: private:
sl@0:     void Start();
sl@0: 
sl@0: 	void RunL();
sl@0: 	void DoCancel();
sl@0:     TInt RunError(TInt aError);
sl@0: 
sl@0: 	void HandleMessage(const RMessage2& aMessage);
sl@0: 
sl@0: 	void UnRegisterInterfaceL(const RMessage2& aMessage);
sl@0: 
sl@0: private:
sl@0:     static void DoStartServerL(TAny* aPtr);
sl@0: 
sl@0: 	void RegisterInterfaceL(const RMessage2& aMessage);
sl@0: 	void InitialiseInterfaceL(const RMessage2& aMessage);
sl@0: 	void GetNumLunL(const RMessage2& aMessage);
sl@0: 	void RegisterLogicalUnitL(const RMessage2& aMessage);
sl@0: 	TInt Shutdown();
sl@0: 
sl@0: private:
sl@0:     CUsbHostMsSession& iUsbHostMsSession;
sl@0: 
sl@0: 	CUsbHostMsDevice* iUsbHostMsDevice;
sl@0: 
sl@0: 	RMessage2 iRMessage2[KMaxNumMessage];
sl@0: 	RMutex iMutex;
sl@0: 
sl@0: 	TInt iQueueIndex;
sl@0: 	TInt iDequeueIndex;
sl@0: 	TBool iQueueFull;
sl@0:     };
sl@0: 
sl@0: 
sl@0: inline void CUsbHostMsDeviceThread::Lock()
sl@0: 	{
sl@0: 	iMutex.Wait();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: inline void CUsbHostMsDeviceThread::Unlock()
sl@0: 	{
sl@0: 	iMutex.Signal();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: #endif // CUSBMASSSTORAGEDEVICETHREAD_H