diff -r 000000000000 -r bde4ae8d615e os/persistentdata/traceservices/tracefw/ulogger/src/pluginframework/inputdata.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/persistentdata/traceservices/tracefw/ulogger/src/pluginframework/inputdata.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,74 @@
+// 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:
+// ULogger
+// 
+//
+
+/**
+ @file
+ @internalTechnology
+ @prototype
+*/
+
+#ifndef INPUTDATA_H_
+#define INPUTDATA_H_
+
+#ifdef __SYMBIAN32__
+#include <e32base.h>
+#include <e32cmn.h>
+#else
+#include <iostream.h>
+#include <memory.h>
+#endif
+
+
+//define ControlData type
+typedef char ControlData; 
+
+//const values
+const char DATA_SEPARATOR = ' '; //space 
+const char CD_CR = 0x0D; //end os line in MacOS style
+const char CD_LF = 0x0A; //end of line in Unix/Linux style
+const int SIZE_OF_EOL = 2;
+const char CD_EOL[SIZE_OF_EOL] = {CD_CR,CD_LF}; //end of line in Windows OS style
+
+
+
+/**This class should be used to create, update and parse Control Data packages.
+Write type functions create new control data chunk and update existing one, whereas 
+read type functions can parse and return certain data from existing control data packages.
+*/
+class CInputData
+{
+public:
+	IMPORT_C CInputData(unsigned int aMinPackageSize=2);
+	IMPORT_C virtual ~CInputData();
+	
+	//read type functions
+	IMPORT_C unsigned long GetSize(const ControlData *aDataPtr);
+	IMPORT_C unsigned long GetChunksCount(const ControlData *aDataPtr);
+	IMPORT_C const void* GetChunk(const ControlData* aDataPtr, unsigned long aChunkNumber, unsigned long &aChunkSize);
+	
+	//write type functions
+	IMPORT_C ControlData* CreatePackage(void* aCommand, signed long aCommandSize);
+	IMPORT_C unsigned long AppendNewData(ControlData *&aDataPtr, const void* aAddData, unsigned long aAddDataSize);
+	
+private:
+	unsigned int iMinPackageSize;
+	unsigned long FindAvailablePlace(const ControlData *aDataPtr);
+	unsigned long CalcNumberOfPaddingChars(const ControlData *aDataPtr);
+	
+};
+
+#endif /*CONTROLDATAMANAGER_H_*/