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\scmprocessdata.cpp
sl@0: // Core dump server - Process 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: 	 * TProcessData implementation
sl@0: 	 * @internal technology
sl@0: 	 */
sl@0: 	
sl@0: 	/**
sl@0: 	 * TProcessData constructor
sl@0: 	 */
sl@0: 	TProcessData::TProcessData()
sl@0: 		:iId(ESCMProcessData)
sl@0: 		,iVersion(EProcData1)				
sl@0: 		,iPid(0)
sl@0: 		,iNamesize(0)
sl@0: 		,iPriority(0)
sl@0: 		,iSpare1(0)
sl@0: 		,iSpare2(0)	
sl@0: 		,iSpare3(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 One of the OS wide codes
sl@0: 	 */	 
sl@0: 	TInt TProcessData::Serialize(TByteStreamWriter& aWriter)
sl@0: 		{
sl@0: 		TInt startPos = aWriter.CurrentPosition();
sl@0: 		
sl@0: 		// ID saved first 
sl@0: 		aWriter.WriteInt(iId);		 				// 4
sl@0: 		
sl@0: 		if(iId != ESCMProcessData)
sl@0: 			{
sl@0: 			CLTRACE("TProcessData::Serialize Corrupt ID");
sl@0: 			return KErrCorrupt;
sl@0: 			}
sl@0: 		
sl@0: 		aWriter.WriteShort((TUint16) iVersion);			// 2
sl@0: 
sl@0: 		if(iVersion == EProcData1)
sl@0: 			{
sl@0: 			// write data v1 format				
sl@0: 			aWriter.WriteInt(iPriority); 			 	// 4
sl@0: 			aWriter.WriteInt64(iPid);  					// 8
sl@0: 			if(iName.Ptr())
sl@0: 				{
sl@0: 				aWriter.WriteInt(iName.Length());		// 4
sl@0: 				for(TInt cnt = 0; cnt < iName.Length(); cnt++)
sl@0: 					{
sl@0: 					aWriter.WriteByte(iName[cnt]);
sl@0: 					}
sl@0: 				}
sl@0: 			else
sl@0: 				{
sl@0: 				aWriter.WriteInt(0);
sl@0: 				}
sl@0: 
sl@0: 
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			CLTRACE("TProcessData::Serialize Unsupported version");
sl@0: 			return KErrCorrupt;
sl@0: 			}
sl@0: 		
sl@0: 		TInt endPos = aWriter.CurrentPosition();
sl@0: 		if( endPos - startPos != GetSize())
sl@0: 			{
sl@0: 			// error between actual size & real size in data
sl@0: 			CLTRACE2("TProcessData::Serialize serialization size error. Wrote [%d] but expected [%d]", endPos - startPos, GetSize());
sl@0: 			return KErrCorrupt;
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 One of the OS wide codes
sl@0: 	 */
sl@0: 	TInt TProcessData::Deserialize(TByteStreamReader& aReader)
sl@0: 		{
sl@0: 		TInt startPos = aReader.CurrentPosition();
sl@0: 		
sl@0: 		iId = (SCMStructId)aReader.ReadInt();		 				// 4
sl@0: 		if(iId != ESCMProcessData)
sl@0: 			{
sl@0: 			CLTRACE("TProcessData::Deserialize failed - Read corrupt ID");
sl@0: 			return KErrCorrupt;
sl@0: 			}
sl@0: 		
sl@0: 		iVersion = (TProcessDataVersion)aReader.ReadShort();			// 2
sl@0: 
sl@0: 		if(iVersion == EProcData1)
sl@0: 			{
sl@0: 			// read data v1 format						
sl@0: 			iPriority = aReader.ReadInt(); 			 	    // 4		
sl@0: 			iPid = aReader.ReadInt64();						// 8
sl@0: 			
sl@0: 			iNamesize = aReader.ReadInt();					// 4			
sl@0: 			
sl@0: 			if(iName.Ptr() && iName.MaxLength() >= (TInt)iNamesize)
sl@0: 				{
sl@0: 				iName.SetLength(0);
sl@0: 				
sl@0: 				for(TUint cnt = 0; cnt < iNamesize; cnt++)
sl@0: 					{
sl@0: 					iName.Append(aReader.ReadByte());		//iCategorySize bytes
sl@0: 					} 
sl@0: 				}
sl@0: 			
sl@0: 
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			iId = ESCMLast;	//unrecognised header
sl@0: 			CLTRACE("TProcessData::Deserialize Unsupported version");
sl@0: 			return KErrCorrupt;
sl@0: 			}
sl@0: 		
sl@0: 		TInt endPos = aReader.CurrentPosition();
sl@0: 		if( endPos - 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("TProcessData::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 TProcessData::GetSize() const
sl@0: 		{
sl@0: 		if(iVersion == EProcData1)
sl@0: 			{
sl@0: 			return 22 + iName.Length();
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			CLTRACE("TProcessData::GetSize Unsupported version");			
sl@0: 			return KErrNotSupported;		
sl@0: 			}
sl@0: 		}
sl@0: 	
sl@0: 	}