--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/devsoundrefplugin/tsrc/CIPlugins/src/MMFDevSoundCIMuxDeMuxPluginImp.cpp	Fri Oct 08 19:40:43 2010 +0100
@@ -0,0 +1,299 @@
+// Copyright (c) 2008-2009 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 <ecom/implementationproxy.h>
+#include <ecom/ecom.h>
+#include <s32mem.h>				
+
+#include "devsoundciutestdevices.hrh"
+#include "MMFDevSoundCIMuxDeMuxPluginImp.h"
+
+
+
+// MUX //
+
+TInt CMMFDevSoundCIMuxPluginImp::OpenInterface(TUid /*aInterfaceId*/)
+	{
+	// attempt to open the interface link with the
+	// remote slave device
+	iRemoteHandle = -1;
+	TUid slaveId = {KUidMmfDevSoundCustomInterfaceDeMuxPlugin};
+
+	TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8);
+	if (handle >= 0)
+		{
+		iRemoteHandle = handle;
+		}
+
+	return iRemoteHandle;
+	}
+
+
+void CMMFDevSoundCIMuxPluginImp::Release()
+	{
+	// close the slave device if it exists
+	if (iRemoteHandle > 0)
+		{
+		// we assume the slave is closed correctly
+		iUtility->CloseSlave(iRemoteHandle);
+		}
+
+	TUid key = iKey;
+	delete this;
+
+	// tell ECom to destroy us
+	REComSession::DestroyedImplementation(key);
+	}
+
+
+void CMMFDevSoundCIMuxPluginImp::PassDestructorKey(TUid aDestructorKey)
+	{
+	// store the destructor key
+	iKey = aDestructorKey;
+	}
+
+
+void CMMFDevSoundCIMuxPluginImp::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)
+	{
+	// store a pointer to the the MMFDevSoundCustomMuxUtility class
+	iUtility = aCustomUtility;
+	}
+
+
+MMMFDevSoundCustomInterfaceMuxPlugin* CMMFDevSoundCIMuxPluginImp::NewL()
+	{
+	CMMFDevSoundCIMuxPluginImp* self = new (ELeave) CMMFDevSoundCIMuxPluginImp;
+	return self;
+	}
+
+
+TAny* CMMFDevSoundCIMuxPluginImp::CustomInterface(TUid /*aInterfaceId*/)
+	{
+	MMMFDevSoundCIMuxPluginInterface* interface = this;
+	return interface;
+	}
+
+
+CMMFDevSoundCIMuxPluginImp::CMMFDevSoundCIMuxPluginImp()
+	{
+	}
+
+
+CMMFDevSoundCIMuxPluginImp::~CMMFDevSoundCIMuxPluginImp()
+	{
+	}
+
+
+TInt CMMFDevSoundCIMuxPluginImp::DevSoundCIMuxStopHeapFail()
+	{
+	TInt result = -1;
+
+	if (iRemoteHandle > 0)
+		{	
+		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,
+												EMMFDevSoundCIMuxDemuxStopHeapFail,
+												KNullDesC8); 
+		}
+	return result;
+	}
+
+
+TInt CMMFDevSoundCIMuxPluginImp::DevSoundCIMuxCauseHeapFail(TInt aFailCount)
+	{
+	TInt result = -1;
+
+	if (iRemoteHandle > 0)
+		{
+		TPckgBuf<TInt> failCount(aFailCount);  
+		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,
+												EMMFDevSoundCIMuxDemuxCauseHeapFail,
+												failCount);  
+		}
+	return result;
+	}
+
+TInt CMMFDevSoundCIMuxPluginImp::DevSoundCIMuxCheckHeapFail()
+	{
+	TInt result = -1;
+	TPckgBuf<TInt> responsePckg;
+	
+	if (iRemoteHandle > 0)
+		{
+		result = iUtility->SendSlaveSyncCommandResult(iRemoteHandle,
+												EMMFDevSoundCIMuxDemuxCheckHeapFail,
+												KNullDesC8,
+												responsePckg);  
+		}
+	
+	User::LeaveIfError(result);
+	return responsePckg();
+
+	}
+
+// DEMUX //
+
+TInt CMMFDevSoundCIDemuxPluginImp::OpenInterface(TUid /*aInterfaceId*/)
+	{
+	return KErrNone;
+	}
+
+
+void CMMFDevSoundCIDemuxPluginImp::Release()
+	{
+	TUid key = iKey;
+
+	delete this;
+
+	// tell ECom to destroy us
+	REComSession::DestroyedImplementation(key);
+	}
+
+
+void CMMFDevSoundCIDemuxPluginImp::PassDestructorKey(TUid aDestructorKey)
+	{
+	// store the destructor key
+	iKey = aDestructorKey;
+	}
+
+
+void CMMFDevSoundCIDemuxPluginImp::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)
+	{
+	iTarget = aTarget;
+	}
+
+
+void CMMFDevSoundCIDemuxPluginImp::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)
+	{
+	// store a pointer to the MMFDevSoundCustomDeMuxUtility class
+	iUtility = aCustomUtility;
+	}
+
+
+void CMMFDevSoundCIDemuxPluginImp::RefreshL()
+	{
+	// Nothing to do in this implementation
+	}
+
+
+MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFDevSoundCIDemuxPluginImp::NewL()
+	{
+	CMMFDevSoundCIDemuxPluginImp* self = new (ELeave) CMMFDevSoundCIDemuxPluginImp;
+	return self;
+	}
+
+
+CMMFDevSoundCIDemuxPluginImp::CMMFDevSoundCIDemuxPluginImp()
+	{
+	}
+
+
+CMMFDevSoundCIDemuxPluginImp::~CMMFDevSoundCIDemuxPluginImp()
+	{
+	// Nothing to do in this implementation
+	}
+
+
+TInt CMMFDevSoundCIDemuxPluginImp::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)
+	{
+	// Nothing to do in this implementation
+	return KErrNone;
+	}
+
+
+void CMMFDevSoundCIDemuxPluginImp::DoCloseSlaveL(TInt /*aHandle*/)
+	{
+	// Nothing to do in this implementation
+	}
+
+TInt CMMFDevSoundCIDemuxPluginImp::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)
+	{
+	TMMFDevSoundCIMessageData data;
+	TInt result = KErrNotSupported;
+
+	// decode message
+	iUtility->GetSyncMessageDataL(aMessage, data);
+
+	switch (data.iCommand)
+		{
+		case EMMFDevSoundCIMuxDemuxCauseHeapFail:
+			{
+			result = KErrNone;
+			TPckgBuf<TInt> failCount;				//Create an empty TPckgBuf<INT TYPE> to be empty
+			iUtility->ReadFromInputDesL(aMessage, &failCount);  //readFromInputDesL treats this as a descriptor and populates it
+			User::__DbgSetAllocFail(RHeap::EUser,RHeap::EFailNext, failCount());
+			break;
+			}
+		case EMMFDevSoundCIMuxDemuxStopHeapFail:
+			{
+			result = KErrNone;
+			User::__DbgSetAllocFail(RHeap::EUser,RHeap::EFailNext,NULL);
+			break;
+			}
+		default:
+			{
+			User::Leave(KErrNotSupported);
+			}
+		}
+	return result;
+	}
+
+
+TInt CMMFDevSoundCIDemuxPluginImp::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage)  //This method returns an error to Client Side
+	{
+	TMMFDevSoundCIMessageData data;
+	TInt result = KErrNotSupported;
+
+	// decode message
+	iUtility->GetSyncMessageDataL(aMessage, data); 
+
+	switch (data.iCommand)
+		{
+		case EMMFDevSoundCIMuxDemuxCheckHeapFail:
+			{
+			result = KErrNone;
+			TPckgBuf<TBool> failCheck; 
+			TAny *testAlloc = User::Alloc(1);	
+			if ( testAlloc == NULL )
+				{
+				failCheck = EFalse;
+				User::__DbgSetAllocFail(RHeap::EUser,RHeap::EFailNext,NULL);
+				}
+			else
+				{
+				failCheck = ETrue;
+				User::Free(testAlloc);	
+				}
+			iUtility->WriteToOutputDesL(aMessage, failCheck);
+			break;
+			}
+		default:
+			{
+			User::Leave(KErrNotSupported);
+			}
+		}
+	return result;
+	}
+
+
+void CMMFDevSoundCIDemuxPluginImp::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)
+	{
+	// not used in this interface
+	}
+
+
+void CMMFDevSoundCIDemuxPluginImp::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
+	{
+	// not used in this interface
+	}