sl@0: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32\debug\crashMonitor\src\scmromdata.cpp
sl@0: // Core dump server - ROM Data for System Crash
sl@0: // 
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalTechnology
sl@0: */
sl@0: 
sl@0: #include <scmdatatypes.h>
sl@0: 
sl@0: namespace Debug
sl@0: 	{
sl@0: 	/**
sl@0: 	 * TRomHeaderData implementation
sl@0: 	 * @internal technology
sl@0: 	 */
sl@0: 	
sl@0: 	/**
sl@0: 	 * TRomHeaderData constructor
sl@0: 	 */
sl@0: 	TRomHeaderData::TRomHeaderData():
sl@0: 		iId(ESCMRomHeader),
sl@0: 		iVersion(ERomHeaderDataVersion1),
sl@0: 		iMajorVersion(0),
sl@0: 		iMinorVersion(0),
sl@0: 		iBuildNumber(0),
sl@0: 		iTime(0)
sl@0: 		{			
sl@0: 		}
sl@0: 	
sl@0: 	/**
sl@0: 	 * Writes this classes data to the specified byte stream
sl@0: 	 * @param aWriter byte stream to use
sl@0: 	 * @return void
sl@0: 	 */	
sl@0: 	TInt TRomHeaderData::Serialize(TByteStreamWriter& aWriter)
sl@0: 		{
sl@0: 		TInt startPos = aWriter.CurrentPosition();
sl@0: 		
sl@0: 		if(iId != ESCMRomHeader)
sl@0: 			{
sl@0: 			CLTRACE("TRomHeaderData::Serialize Corrupt ID");
sl@0: 			return KErrCorrupt;
sl@0: 			}
sl@0: 
sl@0: 		// ID saved first 
sl@0: 		aWriter.WriteInt(iId);		 				    // 4		
sl@0: 		
sl@0: 		aWriter.WriteShort((TUint16) iVersion);			// 2
sl@0: 
sl@0: 		if(iVersion == ERomHeaderDataVersion1)
sl@0: 			{
sl@0: 			//ROM time
sl@0: 			aWriter.WriteInt64(iTime);					// 8
sl@0: 			
sl@0: 			//Now the ROM version
sl@0: 			aWriter.WriteByte(iMajorVersion);				// 1
sl@0: 			aWriter.WriteByte(iMinorVersion);				// 1
sl@0: 			aWriter.WriteShort(iBuildNumber);				// 2			
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			CLTRACE("TRomHeaderData::Serialize Unsupported version");
sl@0: 			return KErrCorrupt;
sl@0: 			}
sl@0: 		
sl@0: 		TInt pos1 = aWriter.CurrentPosition();
sl@0: 		if( pos1 - startPos != GetSize())
sl@0: 			{
sl@0: 			// error between actual size & real size in data
sl@0: 			CLTRACE("TRomHeaderData::Serialize serialization size error");	
sl@0: 			return KErrCorrupt;
sl@0: 			}
sl@0: 		
sl@0: 		return KErrNone;
sl@0: 		}
sl@0: 	
sl@0: 	/**
sl@0: 	 * Reads the classes data from the specified byte stream
sl@0: 	 * @param aReader Byte stream to use
sl@0: 	 * @return void
sl@0: 	 */
sl@0: 	TInt TRomHeaderData::Deserialize(TByteStreamReader& aReader)
sl@0: 		{
sl@0: 		TInt startPos = aReader.CurrentPosition();
sl@0: 		
sl@0: 		iId = (SCMStructId)aReader.ReadInt();					// 4
sl@0: 		if(iId != ESCMRomHeader)
sl@0: 			{
sl@0: 			CLTRACE("TRomHeaderData::Deserialize Corrupt ID read");
sl@0: 			return KErrCorrupt;
sl@0: 			}
sl@0: 		
sl@0: 		iVersion = (TRomHeaderDataVersion)aReader.ReadShort();			// 2
sl@0: 
sl@0: 		if(iVersion == ERomHeaderDataVersion1)
sl@0: 			{			
sl@0: 			//ROM time
sl@0: 			iTime = aReader.ReadInt64();					// 8
sl@0: 			
sl@0: 			//Now the ROM version
sl@0: 			iMajorVersion = aReader.ReadByte();				// 1
sl@0: 			iMinorVersion = aReader.ReadByte();				// 1
sl@0: 			iBuildNumber = aReader.ReadShort();				// 2
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			iId = ESCMLast;	//unrecognised header
sl@0: 			CLTRACE("TRomHeaderData::Deserialize Unsupported version");
sl@0: 			return KErrCorrupt;
sl@0: 			}
sl@0: 		
sl@0: 		TInt pos1 = aReader.CurrentPosition();
sl@0: 		if( pos1 - startPos != GetSize())
sl@0: 			{
sl@0: 			iId = ESCMLast;	//unrecognised header
sl@0: 			
sl@0: 			// error between actual size & real size in data
sl@0: 			CLTRACE("TRomHeaderData::Deserialize serialization size error");	
sl@0: 			return KErrCorrupt;
sl@0: 			}
sl@0: 		return KErrNone;
sl@0: 		}
sl@0: 	
sl@0: 	/**
sl@0: 	 * Returns the externalised size of this class
sl@0: 	 * @return TInt size
sl@0: 	 */
sl@0: 	TInt TRomHeaderData::GetSize() const
sl@0: 		{
sl@0: 		if(iVersion == ERomHeaderDataVersion1)
sl@0: 			{
sl@0: 			return 18;
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			CLTRACE("ERomHeaderDataVersion1::GetSize Unsupported version");			
sl@0: 			return KErrNotSupported;		
sl@0: 			}
sl@0: 		}
sl@0: 	
sl@0: 	}