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
+ }
+}