diff -r 000000000000 -r 818e61de6cd1 crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianETMLib/Common/State/Implementations/ETMDecodeStateASync.cs --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianETMLib/Common/State/Implementations/ETMDecodeStateASync.cs Thu Feb 11 15:50:58 2010 +0200 @@ -0,0 +1,81 @@ +/* +* 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: +* +*/ + +using System; +using System.Collections.Generic; +using System.Text; +using SymbianUtils.BasicTypes; +using SymbianETMLib.Common.Types; +using SymbianETMLib.Common.Packets; +using SymbianETMLib.Common.Exception; + +namespace SymbianETMLib.Common.State +{ + public class ETMDecodeStateASync : ETMDecodeState + { + #region Constructors + public ETMDecodeStateASync( ETMStateData aManager ) + : base( aManager ) + { + } + #endregion + + #region API + public override ETMDecodeState HandleByte( SymByte aByte ) + { + ETMDecodeState nextState = this; + // + if ( aByte == 0 ) + { + ++iASyncConsecutiveNullByteCount; + } + else if ( aByte == 0x80 && iASyncConsecutiveNullByteCount == 5 ) + { + // That's the start of the a-sync packet + iASyncConsecutiveNullByteCount = 0; + base.StateData.SetSynchronized(); + nextState = new ETMDecodeStateSynchronized( base.StateData ); + Trace(); + } + else + { + // Invalid byte + throw new ETMException( "ERROR - data is corrupt - expected null byte or end marker during A-SYNC" ); + } + // + return nextState; + } + #endregion + + #region Properties + #endregion + + #region Internal methods + private void Trace() + { + base.DbgTrace( "A-SYNC", string.Empty ); + } + #endregion + + #region From System.Object + #endregion + + #region Data members + private int iASyncConsecutiveNullByteCount = 0; + #endregion + } +}