// Copyright (c) 2005-2009 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:

// Implementation file for the PDP Context Finite State Machine

// 

//

/**

 @file 

*/

#include "PDPFSM.h"

#include "cpdpfsmfactory.h"

#include "spudfsmdebuglogger.h"

#include "PDPDeftSCPR.h"

//-=========================================================

// Custom methods

//-=========================================================

CPdpFsmInterface::CPdpFsmInterface(CPDPDefaultSubConnectionProvider& aOwner)

:iPdpFsmFactory(NULL), 

 iDefaultSubConnProvd(aOwner),

 iNetworkStatus(RPacketService::EStatusUnattached),

 iRefCount(1),

 iUmtsRelease(TPacketDataConfigBase::KConfigGPRS)

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::()");

    }

CPdpFsmInterface::~CPdpFsmInterface()

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::()");

	delete iPdpFsmFactory;

    }

TContextId CPdpFsmInterface::NewFsmContextL(MPdpFsmEventHandler& aPdpFsmEventHandler,SpudMan::TPdpContextType aContextType)

    {

    return iPdpFsmFactory->NewFsmContextL(aPdpFsmEventHandler,aContextType);

    }

TBool CPdpFsmInterface::FsmContextExists(const TContextId aPdpId)

    {

    return iPdpFsmFactory->HaveFsmContext(aPdpId);

    }

void CPdpFsmInterface::DeleteFsmContext(const TContextId aPdpId)

    {

    iPdpFsmFactory->DeleteFsmContext(aPdpId);

    }    

/** request to open the FSM

@param aSpudManInterface reference to SpudMan interface

*/

void CPdpFsmInterface::NewL(const TName& aTsyName, TInt aUmtsRelease)

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::NewL()");

	iUmtsRelease = aUmtsRelease;

	iPdpFsmFactory = CPdpFsmFactory::NewL();

	iPdpFsmFactory->InitL(aTsyName, this);

    }

/** request to open the FSM

@param aSpudManInterface reference to SpudMan interface

*/

void CPdpFsmInterface::Open()

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Open()");

	iRefCount++;

    }

/** closes the FSM and frees underlying resources

*/

void CPdpFsmInterface::Close()

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Close()");

    ASSERT( iRefCount > 0 );

	if (--iRefCount == 0 )

	    {

	    if (iPdpFsmFactory)

    	    {

    	    iPdpFsmFactory->Close();

    	    }

    	delete this;

	    }

    }

/** 

 Performs and input action/notification for context ID aPdpId

 If aPdpId is KAllContexts, the notification is sent to every context, unless it is of type EServiceStatusChangeNetwork

@param aPdpId the PDP context ID, 0 to KMaxPdpContexts

@param aOperation the operation id to perform

@param aParam extra id for ETelDriver errors

@return error code for the synchronus patrt of the operation

*/

TInt CPdpFsmInterface::Input(TContextId aPdpId, const TInt aOperation, const TInt aParam)

    {

	TInt ret = KErrNone;

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Input(aParam)");

	ASSERT(iPdpFsmFactory);

    // Control structure is in order of the most frequent operation first (hopefully)

    //

	if (iPdpFsmFactory->ContextIsValid(aPdpId))

	    {

	    // We have a valid PDP FSM Context, so go ahead with the operation...

	    //

	    ret = (iPdpFsmFactory->GetFsmContext(aPdpId))->Input(aOperation, aParam);

        // Recovering memory by deleting the Fsm Context

        //

        // Tricky, definitely don't try with 'SpudMan::EContextDelete' it's far too early.

        // You can get a bit further deleting on 'PdpFsm::EContextDeleted' (and 'PdpFsm::EContextDeletedFailed')

        // from TContextDeleteStrategy::NotifyFsm(), but you then find that GuQoS is calling into Spud in order to

        // transfer data from the deleted context to another...

        //

        // Additionally, the spud unit test is expecting to be able to "reuse" deleted contexts...

	    }

	else if (aPdpId == KAllContexts)

	    {

		TInt err = KErrNone;

		// this has to be here to avoid sending it from every context

		//

		if (aOperation == PdpFsm::EServiceStatusChangeNetwork)

		    {	

			iDefaultSubConnProvd.PdpFsmAllContextEvent(KNetworkStatusEvent, KErrNone);

		    }

		else

		    {

			for (TContextId i = 0; (i < KMaxPdpContexts) && iPdpFsmFactory->HaveFsmContext(i); i++)

			    {

		        // Process any current PDP contexts.

		        err = (iPdpFsmFactory->GetFsmContext(i))->Input(aOperation, aParam);

                // See above about trials and tribulations of trying to recover the memory taken by these 

                // CPdpFsm objects.

				if (err != KErrNone)

				    {

				    // We return the last error found, ignoring any earlier ones

				    //

					ret = err;

				    }

			    }

		    }		

        }

	else

	    {

		ret = KErrBadHandle;

	    }

	return ret;

    }

#ifdef SYMBIAN_NETWORKING_UMTSR5

/**

Set context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts - 1

@param aParam - RPacketQoS::TQoSR5Requested data to set

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Set(TContextId aPdpId,const RPacketQoS::TQoSR5Requested& aParam)

	{

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Set(RPacketQoS::TQoSR5Requested)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Set(aParam);

	return KErrNone;

	}

/**

Set context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts - 1

@param aParam - RPacketQoS::TQoSR5Negotiated data to set

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Set(TContextId aPdpId,const RPacketQoS::TQoSR5Negotiated& aParam)

{

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Set(RPacketQoS::TQoSR5Negotiated)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Set(aParam);

	return KErrNone;

}

#else

// !SYMBIAN_NETWORKING_UMTSR5

/**

Set context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - RPacketQoS::TQoSR99_R4Requested data to set

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Set(TContextId aPdpId,const RPacketQoS::TQoSR99_R4Requested& aParam)

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Set(RPacketQoS::TQoSR99_R4Requested)");

	ASSERT(iPdpFsmFactory);

    ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

    iPdpFsmFactory->GetFsmContext(aPdpId,aContextType)->Set(aParam);

	return KErrNone;

    }

/**

Set context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - RPacketQoS::TQoSR99_R4Negotiated data to set

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Set(TContextId aPdpId,const RPacketQoS::TQoSR99_R4Negotiated& aParam)

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Set(RPacketQoS::TQoSR99_R4Negotiated)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId,aContextType)->Set(aParam);

	return KErrNone;

    }

#endif 

// SYMBIAN_NETWORKING_UMTSR5 

void CPdpFsmInterface::Set(const TContextId aPdpId,MPdpFsmEventHandler& aPdpFsmEventHandler)

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Set(RPacketQoS::TQoSR99_R4Negotiated)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Set(aPdpFsmEventHandler);

    }

/** Set context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - TFTInfo data to set

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Set(TContextId aPdpId,const TTFTInfo& aParam)

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Set(TFTInfo)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Set(aParam);

	return KErrNone;

    }

/** Set context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - TFTOperationCode to set to go with the data

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Set(TContextId aPdpId,const TTFTOperationCode& aParam)

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Set(TTFTOperationCode)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Set(aParam);

	return KErrNone;

    }

/** Set context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - RPacketContext::TDataChannelV2 data to set

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Set(TContextId aPdpId,const RPacketContext::TDataChannelV2& aParam)

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Set(RPacketContext::TDataChannelV2)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Set(aParam);

	return KErrNone;

    }

/** Set context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - RPacketContext::TContextStatus data to set

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Set(TContextId aPdpId,const RPacketContext::TContextStatus& aParam)

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Set(RPacketContext::TContextStatus)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Set(aParam);

	return KErrNone;

    }

/** Set context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - RPacketContext::TContextConfigGPRS& data to set

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Set(TContextId aPdpId, const TPacketDataConfigBase& aParam)

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Set(TPacketDataConfigBase)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Set(aParam);

	return KErrNone;

    }

/** Set network status

@param aParam - RPacketService::TStatus data to set

*/

void CPdpFsmInterface::Set(const RPacketService::TStatus aParam)

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Set(RPacketService::TStatus)");

	ASSERT(iPdpFsmFactory);

	iNetworkStatus = aParam;

    }

#ifdef SYMBIAN_NETWORKING_UMTSR5

/**

Get context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - RPacketQoS::TQoSR5Requested data to get

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Get(TContextId aPdpId,RPacketQoS::TQoSR5Requested& aParam) const

{

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Get(RPacketQos::TQoSR5Requested)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Get(aParam);

	return KErrNone;

}

/**

Get context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - RPacketQoS::TQoSR5Negotiated data to get

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Get(TContextId aPdpId,RPacketQoS::TQoSR5Negotiated& aParam) const

{

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Get(RPacketQoS::TQoSR5Negotiated)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Get(aParam);

	return KErrNone;

}

#else

// !SYMBIAN_NETWORKING_UMTSR5

/**

Get context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - RPacketQoS::TQoSR99_R4Requested data to get

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Get(TContextId aPdpId,RPacketQoS::TQoSR99_R4Requested& aParam) const

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Get(RPacketQos::TQoSRequestedR99_R4)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Get(aParam);

	return KErrNone;

    }

/**

Get context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - RPacketQoS::TQoSR99_R4Negotiated data to get

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Get(TContextId aPdpId,RPacketQoS::TQoSR99_R4Negotiated& aParam) const

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Get(RPacketQoS::TQoSR99_R4Negotiated)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Get(aParam);

	return KErrNone;

    }

#endif 

// SYMBIAN_NETWORKING_UMTSR5 

/** Get context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - TTFTInfo data to get

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Get(TContextId aPdpId,TTFTInfo& aParam) const

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Get(TFTInfo)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Get(aParam);

	return KErrNone;

    }

/** Get context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - TTFTOperationCode for the TFT data

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Get(TContextId aPdpId,TTFTOperationCode& aParam) const

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Get(TFTInfo)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Get(aParam);

	return KErrNone;

    }

/** Get context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - RPacketContext::TDataChannelV2 data to set

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Get(TContextId aPdpId,RPacketContext::TDataChannelV2& aParam) const

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Get(RPacketContext::TDataChannelV2)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Get(aParam);

	return KErrNone;

    }

/** Get context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - RPacketContext::TContextConfigGPRS data to set

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Get(TContextId aPdpId, TPacketDataConfigBase& aParam) const

    {

	SPUDFSMVERBOSE_FNLOG("CPdpFsmInterface::Get(TPacketDataConfigBase)");

	ASSERT(iPdpFsmFactory);

	ASSERT(iPdpFsmFactory->ContextIdIsValid(aPdpId));

	ASSERT(iPdpFsmFactory->HaveFsmContext(aPdpId));

	iPdpFsmFactory->GetFsmContext(aPdpId)->Get(aParam);

	return KErrNone;

    }

/** Get context parameters

@param aPdpId - the PDP context ID, 0 to KMaxPdpContexts

@param aParam - RPacketContext::TContextStatus data to get

@return - KErrBadHandle or KErrNone

*/

TInt CPdpFsmInterface::Get(TContextId aPdpId,RPacketContext::TContextStatus& aParam) const