diff -r 000000000000 -r d0791faffa3f mtptransports/mtpptpiptransport/ptpipdatatypes/src/tptpiprequestpayload.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtptransports/mtpptpiptransport/ptpipdatatypes/src/tptpiprequestpayload.cpp	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,236 @@
+// 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:
+//
+
+/**
+ @internalComponent
+*/
+
+#include <mtp/mtpprotocolconstants.h>
+#include "ptpipdatatypes.h"
+#include "tptpiprequestpayload.h"
+
+// Dataset element metadata.
+const TPTPIPTypeRequestPayload::TElementInfo
+		TPTPIPTypeRequestPayload::iElementMetaData[ENumElements] =
+			{
+				{EMTPTypeUINT32, 0, KMTPTypeUINT32Size	}, // EDataPhase
+				{EMTPTypeUINT16, 4, KMTPTypeUINT16Size	}, // EOpCode
+				{EMTPTypeUINT32, 6, KMTPTypeUINT32Size	}, // ETransactionId
+				{EMTPTypeUINT32, 10, KMTPTypeUINT32Size	}, // EParameter1
+				{EMTPTypeUINT32, 14, KMTPTypeUINT32Size	}, // EParameter2
+				{EMTPTypeUINT32, 18, KMTPTypeUINT32Size	}, // EParameter3
+				{EMTPTypeUINT32, 22, KMTPTypeUINT32Size	}, // EParameter4
+				{EMTPTypeUINT32, 26, KMTPTypeUINT32Size	}  // EParameter5
+			};
+
+/**
+ Constructor.
+ */
+EXPORT_C TPTPIPTypeRequestPayload::TPTPIPTypeRequestPayload( ) :
+iElementInfo(iElementMetaData, ENumElements),
+iBuffer(KSize),
+//iNumParameters(0)
+iMaxSetParam(0)
+	{
+	SetBuffer (iBuffer );
+	}
+
+/**
+ Provides the number of parameters in the block which are set.
+ @return the number of set parameters.
+ */
+EXPORT_C TUint TPTPIPTypeRequestPayload::NumParameters() const
+	{
+	//return iNumParameters;
+	//return (iMaxSetParam - EParameter1 + 1);
+	return (iMaxSetParam > 0 )? (iMaxSetParam - EParameter1 + 1) : 0;
+	}
+
+/**
+ Copies up to five parameter values into the parameter block dataset from the specified dataset. 
+ The paramters to be copied should be non null paramter or valid null paramter.
+
+ @param aFrom The parameter values source dataset. This dataset should define three or five contiguous 32-bit parameter values starting at the specified offset.
+ @param aParamStartOffset The element ID of the first in the set of contiguous 
+ source dataset parameter values.
+ @param aParamEndOffset The element ID of the last in the set of contiguous 
+ source dataset parameter values.
+ @param aIsNullParamValid a boolean value to check if a null parameter is valid. A value of ETrue means a null parameter is valid; EFalse means invalid.
+ @param aNumOfNullParam the number of valid null parameters to be copied.
+ */
+EXPORT_C void TPTPIPTypeRequestPayload::CopyIn( const TMTPTypeFlatBase& aFrom,
+		TUint aParamStartOffset, TUint aParamEndOffset,
+		TBool aIsNullParamValid, TUint aNumOfNullParam )
+
+	{
+	__ASSERT_DEBUG((aParamEndOffset >= aParamStartOffset && (aParamEndOffset - aParamStartOffset + 1) <= ENumElements), User::Invariant());
+	TUint32 parameter = 0;
+	TUint numberOfNullParam = 0;
+
+	for (TUint t(EParameter1), s(aParamStartOffset); s <= aParamEndOffset; t++, s++)
+		{
+		parameter = aFrom.Uint32(s);
+		if (parameter != KMTPNotSpecified32)
+			{
+			SetUint32(t, parameter);
+			}
+		else if(aIsNullParamValid && (numberOfNullParam < aNumOfNullParam))
+			{
+			SetUint32(t, parameter);
+			numberOfNullParam++;
+			}
+		}
+
+	}
+
+/**
+ Copies the non-null parameter values from the parameter block dataset into the specified dataset. 
+ Note: the number of parameters to be copied out depends on two conditions:
+ 1. The number of parameters contained in this parameter block dataset.
+ 2. The number of parameters to be copied out to the parameter values sink dataset, 
+ which is (aParamEndOffset - aParamStartOffset + 1) by the caller.
+
+ @param aTo The parameter values sink dataset. This dataset should define three or five contiguous 32-bit parameter values starting at the specified offset.
+ @param aParamStartOffset the element ID of the first in the set of contiguous sink dataset parameter values.
+ @param aParamEndOffset the element ID of the last in the set of contiguous sink dataset parameter values.
+ */
+EXPORT_C void TPTPIPTypeRequestPayload::CopyOut( TMTPTypeFlatBase& aTo,
+		TUint aParamStartOffset, TUint aParamEndOffset )
+	{
+	__ASSERT_DEBUG((aParamEndOffset >= aParamStartOffset && (aParamEndOffset - aParamStartOffset + 1) <= ENumElements), User::Invariant());
+	for (TUint s(EParameter1), t(aParamStartOffset); (s <= iMaxSetParam && t <= aParamEndOffset); s++, t++)
+		{
+		aTo.SetUint32((t), Uint32(s));
+		}
+	}
+
+/**
+ Resets the dataset.
+ */
+EXPORT_C void TPTPIPTypeRequestPayload::Reset( )
+	{
+	TMTPTypeFlatBase::Reset();
+	iMaxSetParam = 0;
+	}
+
+/**
+ Setter for the op code.
+ */
+EXPORT_C void TPTPIPTypeRequestPayload::SetUint16(TInt aElementId, TUint16 aData)
+	{
+	__ASSERT_DEBUG((aElementId == EOpCode), User::Invariant());
+	TMTPTypeFlatBase::SetUint16(aElementId, aData);
+	}
+
+/**
+ Getter for the op code. 
+ */
+EXPORT_C TUint16 TPTPIPTypeRequestPayload::Uint16(TInt aElementId) const
+	{
+	__ASSERT_DEBUG((aElementId == EOpCode), User::Invariant());
+	return TMTPTypeFlatBase::Uint16(aElementId);
+	}
+
+/**
+ Setter for the parameters, data phase and tran id
+ */
+EXPORT_C void TPTPIPTypeRequestPayload::SetUint32(TInt aElementId, TUint32 aData )
+	{
+	__ASSERT_DEBUG((aElementId != EOpCode), User::Invariant());
+	if (aElementId >= EParameter1)
+		{
+		if (aElementId > iMaxSetParam)
+			iMaxSetParam = aElementId;
+		/**
+		// Recalculate iNumParameters.
+		TInt num((aElementId - EParameter1) + 1);
+
+		if (num > iNumParameters)
+			{
+			iNumParameters = num;
+			}
+			*/
+		}
+
+	//  Set the element value.
+	TMTPTypeFlatBase::SetUint32(aElementId, aData);
+	}
+
+/**
+ Getter for the parameters, data phase and tran id. 
+ */
+EXPORT_C TUint32 TPTPIPTypeRequestPayload::Uint32(TInt aElementId) const
+	{
+//	__ASSERT_DEBUG((aElementId < iMaxSetParam ), User::Invariant());
+//	__ASSERT_DEBUG((aElementId != EOpCode), User::Invariant());
+	return TMTPTypeFlatBase::Uint32(aElementId);
+	}
+
+/**
+ todo
+ */
+EXPORT_C TInt TPTPIPTypeRequestPayload::FirstReadChunk(TPtrC8& aChunk) const
+	{
+	TInt ret(TMTPTypeFlatBase::FirstReadChunk(aChunk));
+	TUint64 size(Size());
+
+	if (size < aChunk.Size())
+		{
+		// Truncate the buffer at the last set parameter.
+		aChunk.Set(aChunk.Left(size));
+		}
+
+	return ret;
+	}
+
+EXPORT_C TUint64 TPTPIPTypeRequestPayload::Size() const
+	{
+	return (NumParameters() * KMTPTypeUINT32Size + KHeaderElementsSize);
+	}
+
+EXPORT_C TUint TPTPIPTypeRequestPayload::Type() const
+	{
+	return EPTPIPTypeRequestPayload;
+	}
+
+EXPORT_C TBool TPTPIPTypeRequestPayload::CommitRequired() const
+	{
+	return ETrue;
+	}
+
+/**
+Reset the value of the max set param. 
+ */
+EXPORT_C MMTPType* TPTPIPTypeRequestPayload::CommitChunkL(TPtr8& /*aChunk*/)
+	{
+//	iNumParameters = 0;
+
+	// Recalculate iNumParameters.
+	for (TUint i(EParameter1); (i <= EParameter5); i++)
+		{
+		if (TMTPTypeFlatBase::Uint32(i) != KMTPNotSpecified32)
+			{
+			//iNumParameters = (i - EParameter1 + 1 );
+			iMaxSetParam = i;
+			}
+		}
+	return NULL;
+	}
+
+EXPORT_C const TMTPTypeFlatBase::TElementInfo& TPTPIPTypeRequestPayload::ElementInfo(TInt aElementId) const
+	{
+	return iElementInfo[aElementId];
+	}
+