diff -r 7fdc9a71d314 -r 8ad140f3dd41 hti/PC_Tools/DataGateway/SRC/common.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hti/PC_Tools/DataGateway/SRC/common.cpp	Wed Oct 13 16:17:58 2010 +0300
@@ -0,0 +1,185 @@
+/*
+* Copyright (c) 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:
+*     This file contains implementation file of the Data and ParameterList classes.
+*/
+
+// INCLUDES
+#include "common.h"
+#include "util.h"
+
+// Maximum time to wait
+long g_MaximumShutdownWaitTime;
+
+DWORD g_ErrorCode = NO_ERRORS;
+
+//**********************************************************************************
+// Class Data
+//
+// This class provides data encapsulattion for DataGateway
+//**********************************************************************************
+
+Data::Data(const void* data_in, DWORD length, DataType type)
+{
+	SetData(data_in, length, 0, type);
+}
+
+
+Data::Data(const void* data_in, DWORD length, DWORD offset, DataType type)
+{
+	SetData(data_in, length, offset, type);
+}
+
+Data::Data(const Data& data)
+{
+	SetData(data.GetData(), data.GetLength(), 0, data.GetType());
+}
+
+Data::~Data()
+{
+	if (m_pData != NULL)
+	{
+		delete[] m_pData;
+		m_pData = NULL;
+	}
+}
+
+/*
+ * This method is used to delete data and set data type to EEmpty
+ */
+void Data::FreeData()
+{
+	if (m_pData != NULL)
+	{
+		delete[] m_pData;
+		m_pData = NULL;
+		m_Type = EEmpty;
+	}
+}
+
+/*
+ * returns data in Data object given parameter
+ */
+void* Data::GetData(void *data_out) const
+{
+	if (data_out != NULL)
+	{
+		data_out = m_pData;
+	}
+	return m_pData;
+}
+
+/*
+ * returns length of data 
+ */
+DWORD Data::GetLength() const
+{
+	return m_dwLength;
+}
+
+/*
+ * returns type of data
+ * can be one of the following: EEmpty, EControl, EError, EData
+ */
+Data::DataType Data::GetType() const
+{
+	return m_Type;
+}
+
+/*
+ * This method copies up to length bytes from given data object to class member data object
+ */
+bool Data::SetData(const void* data_in, DWORD length, DataType type)
+{
+	return SetData(data_in, length, 0, type);
+}
+
+/*
+ * This method copies up to length bytes(starting from offset) from given data object to class member data object
+ */
+bool Data::SetData(const void* data_in, DWORD length, DWORD offset, DataType type)
+{
+	m_Type = type;
+	if (length == 0 || data_in == NULL || offset >= length)
+	{
+		m_pData = NULL;
+		return true;
+	}
+	m_dwLength = (length - offset);
+	m_pData = new BYTE[m_dwLength];
+	if (m_pData == NULL)
+	{
+		Util::Error("Error allocating memory to data object");
+		m_Type = EEmpty;
+		return false;
+	}
+	memset(m_pData, 0, m_dwLength);
+	memcpy(m_pData, &reinterpret_cast<const char*>(data_in)[offset], m_dwLength);
+	return false;
+}
+
+/*
+ * Used to combine different messages into one.
+ * This method appends new data at the end of already excisting data.
+ * If new data isn't same type as excisting data it isn't appended.
+ * Returns bool value of whether the method has succeeded to append the data or not.
+ */
+bool Data::AppendData(Data* aData)
+{
+	if ( m_Type == aData->m_Type )
+	{
+		//realloc memory
+		BYTE* newBlock = (BYTE*) realloc( m_pData, m_dwLength + aData->m_dwLength );
+		if ( newBlock != NULL )
+		{
+			//set new data
+			m_pData = newBlock;
+			//copy data
+			memcpy( ((BYTE*)m_pData) + m_dwLength,
+					aData->GetData(),
+					aData->GetLength() );
+			//update length
+			m_dwLength += aData->GetLength();
+			return true;
+		}
+	}
+	return false;
+}
+
+//**********************************************************************************
+// Class ParameterList
+//
+//**********************************************************************************
+
+
+ParameterList::ParameterList()
+{
+}
+
+ParameterList::~ParameterList()
+{
+	m_Map.clear();
+}
+
+void ParameterList::Add(const string& key, const void* value)
+{
+	m_Map[key] = value;
+}
+
+const void* ParameterList::Get(const string& key)
+{
+	return m_Map[key];
+}
+
+// End of the file