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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// e32\debug\crashMonitor\src\scmprocessdata.cpp
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// Core dump server - Process Data for System Crash
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//
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//
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/**
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@file
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@internalTechnology
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*/
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#include <scmdatatypes.h>
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namespace Debug
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{
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/**
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* TProcessData implementation
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* @internal technology
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*/
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/**
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* TProcessData constructor
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*/
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TProcessData::TProcessData()
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:iId(ESCMProcessData)
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,iVersion(EProcData1)
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,iPid(0)
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,iNamesize(0)
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,iPriority(0)
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,iSpare1(0)
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,iSpare2(0)
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,iSpare3(0)
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{
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}
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/**
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* Writes this classes data to the specified byte stream
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* @param aWriter byte stream to use
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* @return One of the OS wide codes
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*/
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TInt TProcessData::Serialize(TByteStreamWriter& aWriter)
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{
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TInt startPos = aWriter.CurrentPosition();
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// ID saved first
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aWriter.WriteInt(iId); // 4
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if(iId != ESCMProcessData)
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{
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CLTRACE("TProcessData::Serialize Corrupt ID");
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return KErrCorrupt;
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}
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aWriter.WriteShort((TUint16) iVersion); // 2
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if(iVersion == EProcData1)
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{
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// write data v1 format
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aWriter.WriteInt(iPriority); // 4
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aWriter.WriteInt64(iPid); // 8
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if(iName.Ptr())
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{
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aWriter.WriteInt(iName.Length()); // 4
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for(TInt cnt = 0; cnt < iName.Length(); cnt++)
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{
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aWriter.WriteByte(iName[cnt]);
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}
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}
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else
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{
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aWriter.WriteInt(0);
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}
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}
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else
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{
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CLTRACE("TProcessData::Serialize Unsupported version");
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return KErrCorrupt;
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}
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TInt endPos = aWriter.CurrentPosition();
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if( endPos - startPos != GetSize())
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{
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// error between actual size & real size in data
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CLTRACE2("TProcessData::Serialize serialization size error. Wrote [%d] but expected [%d]", endPos - startPos, GetSize());
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return KErrCorrupt;
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}
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return KErrNone;
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}
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/**
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* Reads the classes data from the specified byte stream
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* @param aReader Byte stream to use
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* @return One of the OS wide codes
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*/
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TInt TProcessData::Deserialize(TByteStreamReader& aReader)
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{
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TInt startPos = aReader.CurrentPosition();
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iId = (SCMStructId)aReader.ReadInt(); // 4
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if(iId != ESCMProcessData)
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{
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CLTRACE("TProcessData::Deserialize failed - Read corrupt ID");
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return KErrCorrupt;
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}
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iVersion = (TProcessDataVersion)aReader.ReadShort(); // 2
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if(iVersion == EProcData1)
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{
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// read data v1 format
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iPriority = aReader.ReadInt(); // 4
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iPid = aReader.ReadInt64(); // 8
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iNamesize = aReader.ReadInt(); // 4
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if(iName.Ptr() && iName.MaxLength() >= (TInt)iNamesize)
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{
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iName.SetLength(0);
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for(TUint cnt = 0; cnt < iNamesize; cnt++)
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{
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iName.Append(aReader.ReadByte()); //iCategorySize bytes
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}
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}
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}
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else
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{
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iId = ESCMLast; //unrecognised header
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CLTRACE("TProcessData::Deserialize Unsupported version");
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return KErrCorrupt;
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}
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TInt endPos = aReader.CurrentPosition();
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if( endPos - startPos != GetSize())
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{
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iId = ESCMLast; //unrecognised header
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// error between actual size & real size in data
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CLTRACE("TProcessData::Deserialize serialization size error");
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return KErrCorrupt;
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}
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return KErrNone;
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}
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/**
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* Returns the externalised size of this class
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* @return TInt size
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*/
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TInt TProcessData::GetSize() const
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{
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if(iVersion == EProcData1)
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{
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return 22 + iName.Length();
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}
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else
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{
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CLTRACE("TProcessData::GetSize Unsupported version");
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return KErrNotSupported;
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}
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}
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}
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