// 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:

//

#include <ssm/ssmstatemanager.h>

#include "ssmserver.h"

#include "ssmsession.h"

#include "ssmclisrv.h"

#include "ssmdebug.h"

CSsmSession::~CSsmSession( )

	{

	}

CSsmSession::CSsmSession( )

	{

	}

CSsmSession* CSsmSession::NewL( )

	{

	CSsmSession* session = new(ELeave) CSsmSession();

	return session;

	}

void CSsmSession::ServiceL(const RMessage2& aMessage)

	{

	switch( aMessage.Function() )

		{

		case ERequestStateTransition:

			{

			TSsmState newState;

			newState.SetFromInt(aMessage.Int0());

			const TInt reason = aMessage.Int1();

#ifdef _DEBUG

			TSsmStateName name = newState.Name();

			DEBUGPRINT2(_L("SysStateSession received new request: ERequestStateTransition %S"), &name);

#endif

			SsmServer()->RequestStateTransitionL(newState, reason, aMessage);

			break;

			} //lint !e529 'name' not subsequently referenced in release builds

		case ERequestStateTransitionCancel:

			DEBUGPRINT1(_L ("SysStateSession received new request: ERequestStateTransitionCancel"));

			aMessage.Complete (KErrNone);

			SsmServer()->RequestStateTransitionCancel(this);

			break;

		case ERequestSwpChange:

			{

			const TUint swpKey = {aMessage.Int0()};

			const TSsmSwp newSwpValue(swpKey, aMessage.Int1());

			DEBUGPRINT3(_L ("SysStateSession received new request: ERequestSwpChange %x : %d"), newSwpValue.Key(), newSwpValue.Value());

			SsmServer()->RequestSwpChangeL(newSwpValue, aMessage);

			break;

			}

		case ERequestSwpChangeCancel:

			{

			DEBUGPRINT1(_L ("SysStateSession received new request: ERequestSwpChangeCancel"));

			aMessage.Complete (KErrNone);

			SsmServer()->RequestSwpChangeCancel(this);

			break;

			}

		case ERequestRegisterSwpMapping:

			{

			DEBUGPRINT1(_L ("SysStateSession received new request: ERequestRegisterSwpMapping"));

			const TUint swpKey = {aMessage.Int0()};

			const TInt deslen = aMessage.GetDesLengthL(1);

			RBuf filename;

			filename.Create(deslen);

			filename.CleanupClosePushL();

			aMessage.ReadL(1, filename);

			SsmServer()->RequestRegisterSwpMappingL(swpKey, filename);

			CleanupStack::PopAndDestroy(&filename);

			aMessage.Complete(KErrNone);

			break;

			}

		case ERequestMarkHeap:

			{

			#ifdef _DEBUG

			__UHEAP_MARK;

			DEBUGPRINT2(_L("CSsmSession - EDebugMarkHeap: Alloc Cells: %d."), User::CountAllocCells());

			#endif

			aMessage.Complete(KErrNone);

			break;

			}

		case ERequestMarkHeapEnd:

			{

			#ifdef _DEBUG

			//Type of cleanup required.Passed from the test case

			TInt aCleanup = (aMessage.Int0());

			//Deletes the data members of the transition engine which are on the heap

			//This is done to ensure that each test cleans up after itself

			switch(aCleanup)

				{

				case ENoCleanup:

					{

					//No cleanup required

					break;

					}

				case EDoCleanup:

					{

					//Cleanup both  state transition engine and swp request handler

					SsmServer()->DoCleanupStateTransitionEngine();

					SsmServer()->DoCleanupSwpRequestHandler();

					break;

					}

				case ECleanupStateTransitionEngineOnly:

					{

					//cleanup only state transition engine

					SsmServer()->DoCleanupStateTransitionEngine();

					break;

					}

				case ECleanupSwpRequestHandlerOnly:

					{

					//cleanup only the swp request handler

					SsmServer()->DoCleanupSwpRequestHandler();

					break;

					}

				default:

					{

					break;

					}

				}				

			DEBUGPRINT2(_L("CSsmSession - EDebugMarkHeapEndC: Alloc Cells: %d."), User::CountAllocCells());

			__UHEAP_MARKEND;

			#endif

			aMessage.Complete(KErrNone);

			break;

			}	

		case ERequestDeRegisterSwpMapping:

			{

			#ifdef _DEBUG

			DEBUGPRINT1(_L ("SysStateSession received new request: ERequestDeRegisterSwpMapping"));

			const TUint swpKey = {aMessage.Int0()};

			const TInt length = aMessage.GetDesLengthL(1);

			RBuf filename;

			filename.Create(length);

			filename.CleanupClosePushL();

			aMessage.ReadL(1, filename);

			SsmServer()->RequestDeRegisterSwpMappingL(swpKey, filename);

			CleanupStack::PopAndDestroy(&filename);

			#endif

			aMessage.Complete(KErrNone);

			break;

			}	

		default:

			{

			DEBUGPRINT2(_L ("SysStateSession received unknown request %d. PolicyServer configuration must be wrong."), aMessage.Function());

			aMessage.Complete(KErrNotSupported);

			break;

			}

		}

	}

void CSsmSession::ServiceError(const RMessage2 &aMessage, TInt aError )

	{

	DEBUGPRINT2(_L ("SysStateSession: ServiceError %d"), aError);

	CSession2::ServiceError(aMessage, aError);

	}

/**

 CSsmSession::SsmServer() returns a pointer to the server object

 */

CSsmServer* CSsmSession::SsmServer( ) const

	{

	return static_cast<CSsmServer*> (const_cast<CServer2*> (Server()));

	}