1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/kernel/eka/debug/crashMonitor/src/scmvariantdata.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,139 @@
     1.4 +// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// e32\kernel\scmvariantdata.cpp
    1.18 +// Core dump server - Variant Data for System Crash
    1.19 +// 
    1.20 +//
    1.21 +
    1.22 +#include <scmdatatypes.h>
    1.23 +
    1.24 +namespace Debug
    1.25 +	{
    1.26 +	/**
    1.27 +	 * TVariantSpecificData implementation
    1.28 +	 * @internal technology
    1.29 +	 */
    1.30 +	
    1.31 +	/**
    1.32 +	 * TVariantSpecificData constructor
    1.33 +	 */
    1.34 +	TVariantSpecificData::TVariantSpecificData() :
    1.35 +		iId(ESCMVariantData)
    1.36 +		,iVersion(EVariantSpecificDataVersion1)
    1.37 +		,iSize(0)
    1.38 +		{			
    1.39 +		}
    1.40 +	
    1.41 +	/**
    1.42 +	 * Writes this classes data to the specified byte stream
    1.43 +	 * @param aWriter byte stream to use
    1.44 +	 * @return void
    1.45 +	 */	
    1.46 +	TInt TVariantSpecificData::Serialize(TByteStreamWriter& aWriter)
    1.47 +		{
    1.48 +		TInt startPos = aWriter.CurrentPosition();
    1.49 +		
    1.50 +		if(iId != ESCMVariantData)
    1.51 +			{
    1.52 +			CLTRACE("TVariantSpecificData::Serialize Corrupt ID");
    1.53 +			return KErrCorrupt;
    1.54 +			}
    1.55 +
    1.56 +		// ID saved first 
    1.57 +		aWriter.WriteInt(iId);		 				    // 4		
    1.58 +		
    1.59 +		aWriter.WriteShort((TUint16) iVersion);			// 2
    1.60 +
    1.61 +		if(iVersion == EVariantSpecificDataVersion1)
    1.62 +			{
    1.63 +			// write data v1 format					
    1.64 +			aWriter.WriteInt(iSize); 			 	// 4
    1.65 +			}
    1.66 +		else
    1.67 +			{
    1.68 +			CLTRACE("TVariantSpecificData::Serialize Unsupported version");
    1.69 +			return KErrCorrupt;
    1.70 +			}
    1.71 +		
    1.72 +		TInt endPos = aWriter.CurrentPosition();
    1.73 +		if( endPos - startPos != GetSize())
    1.74 +			{
    1.75 +			// error between actual size & real size in data
    1.76 +			CLTRACE("TVariantSpecificData::Serialize serialization size error");	
    1.77 +			return KErrCorrupt;
    1.78 +			}
    1.79 +		
    1.80 +		return KErrNone;
    1.81 +		}
    1.82 +	
    1.83 +	/**
    1.84 +	 * Reads the classes data from the specified byte stream
    1.85 +	 * @param aReader Byte stream to use
    1.86 +	 * @return void
    1.87 +	 */
    1.88 +	TInt TVariantSpecificData::Deserialize(TByteStreamReader& aReader)
    1.89 +		{
    1.90 +		TInt startPos = aReader.CurrentPosition();
    1.91 +		
    1.92 +		iId = (SCMStructId)aReader.ReadInt();					// 4
    1.93 +		if(iId != ESCMVariantData)
    1.94 +			{
    1.95 +			CLTRACE("TVariantSpecificData::Deserialize Corrupt ID read");
    1.96 +			return KErrCorrupt;
    1.97 +			}
    1.98 +		
    1.99 +		iVersion = (TVariantSpecificDataVersion)aReader.ReadShort();			// 2
   1.100 +
   1.101 +		if(iVersion == EVariantSpecificDataVersion1)
   1.102 +			{
   1.103 +			// read data v1 format	
   1.104 +			iSize = aReader.ReadInt();		 				// 4
   1.105 +			}
   1.106 +		else
   1.107 +			{
   1.108 +			iId = ESCMLast;	//unrecognised header
   1.109 +			CLTRACE("TVariantSpecificData::Deserialize Unsupported version");
   1.110 +			return KErrCorrupt;
   1.111 +			}
   1.112 +		
   1.113 +		TInt endPos = aReader.CurrentPosition();
   1.114 +		if( endPos - startPos != GetSize())
   1.115 +			{
   1.116 +			iId = ESCMLast;	//unrecognised header
   1.117 +			
   1.118 +			// error between actual size & real size in data
   1.119 +			CLTRACE("TVariantSpecificData::Deserialize serialization size error");	
   1.120 +			return KErrCorrupt;
   1.121 +			}
   1.122 +		return KErrNone;
   1.123 +		}
   1.124 +	
   1.125 +	/**
   1.126 +	 * Returns the externalised size of this class
   1.127 +	 * @return TInt size
   1.128 +	 */
   1.129 +	TInt TVariantSpecificData::GetSize() const
   1.130 +		{
   1.131 +		if(iVersion == EVariantSpecificDataVersion1)
   1.132 +			{
   1.133 +			return 10;
   1.134 +			}
   1.135 +		else
   1.136 +			{
   1.137 +			CLTRACE("TThreadData::GetSize Unsupported version");			
   1.138 +			return KErrNotSupported;		
   1.139 +			}
   1.140 +		}
   1.141 +	
   1.142 +	}