--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sysperfana/heapanalyser/Libraries/Engine/HeapLib/Reconstructor/HeapReconstructor.cs Tue Jun 15 12:47:20 2010 +0300
@@ -0,0 +1,243 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* - Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+* - Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+* - Neither the name of Nokia Corporation nor the names of its contributors
+* may be used to endorse or promote products derived from this software
+* without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+using System;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Collections;
+using System.Collections.Generic;
+using SymbianDebugLib.Engine;
+using SymbianUtils;
+using SymbianUtils.Range;
+using SymbianUtils.RawItems;
+using HeapLib.Cells;
+using HeapLib.Array;
+using HeapLib.Statistics;
+using HeapLib.Relationships;
+using HeapLib.Reconstructor.DataSources;
+using HeapLib.Reconstructor.Misc;
+using HeapLib.Reconstructor.RHeap.Extractor;
+
+namespace HeapLib.Reconstructor
+{
+ public sealed class HeapReconstructor
+ {
+ #region Events
+ public enum TEvent
+ {
+ EReconstructingStarted = 0,
+ EReconstructingProgress,
+ EReconstructingComplete
+ }
+
+ public delegate void Observer( TEvent aEvent, HeapReconstructor aReconstructor );
+ public event Observer iObserver;
+ public delegate void ExceptionHandler( string aTitle, string aBody );
+ public event ExceptionHandler iExceptionHandler;
+ #endregion
+
+ #region Constructors & destructor
+ public HeapReconstructor( DataSource aDataSource, Options aOptions, DbgEngine aDebugEngine )
+ {
+ iRelationshipInspector = new RelationshipInspector( iData, iStatistics );
+ iRelationshipInspector.iObserver += new AsyncReaderBase.Observer( RelationshipInspector_Observer );
+ //
+ iExtractor = new RHeapExtractor( aDataSource, aOptions, aDebugEngine, iRelationshipInspector, iStatistics, iData );
+ iExtractor.iObserver += new AsyncReaderBase.Observer( Extractor_Observer );
+ iExtractor.iExceptionHandler += new AsyncReaderBase.ExceptionHandler( Extractor_ExceptionHandler );
+ }
+ #endregion
+
+ #region API
+ public void Reconstruct()
+ {
+ iState = TState.EStateExtractingHeapObjects;
+ //
+ iData.Clear();
+ //
+ iStatistics.Clear();
+ iStatistics.HeapBaseAddress = SourceData.MetaData.Heap.HeapBaseAddress;
+ iStatistics.HeapSize = SourceData.MetaData.Heap.ChunkSize;
+ if ( iStatistics.HeapSize == 0 || iStatistics.HeapBaseAddress == 0 )
+ {
+ throw new ArgumentException( "Heap size or Heap base address not initialised" );
+ }
+ //
+ iExtractor.Extract();
+ }
+ #endregion
+
+ #region Properties
+ public AddressRange AddressRange
+ {
+ get { return Statistics.AddressRange; }
+ }
+
+ public Options Options
+ {
+ get { return iExtractor.Options; }
+ }
+
+ public HeapStatistics Statistics
+ {
+ get { return iStatistics; }
+ }
+
+ public uint AllocatedCellHeaderSize
+ {
+ get { return iExtractor.AllocatedCellHeaderSize; }
+ }
+
+ public HeapCellArray Data
+ {
+ get { return iData; }
+ }
+
+ public DataSource SourceData
+ {
+ get { return iExtractor.SourceData; }
+ }
+
+ public bool IsDebugAllocator
+ {
+ get { return SourceData.MetaData.Heap.DebugAllocator; }
+ }
+
+ public int Progress
+ {
+ get
+ {
+ int progress = 0;
+ //
+ progress += iExtractor.Progress;
+ progress += iRelationshipInspector.Progress;
+ //
+ return progress / 2;
+ }
+ }
+ #endregion
+
+ #region From System.Object
+ public string ToString( bool aShowAllEntries )
+ {
+ StringBuilder text = new StringBuilder();
+ //
+ int count = Data.Count;
+ for ( int i = 0; i < count; i++ )
+ {
+ HeapCell element = Data[ i ];
+ if ( aShowAllEntries || ( !aShowAllEntries && element.Symbol != null ) )
+ {
+ string line = element.ToString() + Environment.NewLine;
+ text.Append( line );
+ }
+ }
+ //
+ return text.ToString();
+ }
+ #endregion
+
+ #region Internal state enumeration
+ private enum TState
+ {
+ EStateExtractingHeapObjects = 0,
+ EStateInspectingCellRelationships,
+ EStateUpdatingStatistics
+ }
+ #endregion
+
+ #region Extractor observer
+ private void Extractor_Observer( AsyncReaderBase.TEvent aEvent, AsyncReaderBase aSender )
+ {
+ if ( iObserver != null )
+ {
+ if ( aEvent == AsyncReaderBase.TEvent.EReadingStarted )
+ {
+ iObserver( TEvent.EReconstructingStarted, this );
+ }
+ else if ( aEvent == AsyncReaderBase.TEvent.EReadingComplete )
+ {
+ iState = TState.EStateInspectingCellRelationships;
+ iRelationshipInspector.Inspect();
+ iObserver( TEvent.EReconstructingProgress, this );
+ }
+ else
+ {
+ iObserver( TEvent.EReconstructingProgress, this );
+ }
+ }
+ }
+
+ private void Extractor_ExceptionHandler( Exception aException, AsyncReaderBase aSender )
+ {
+ System.Diagnostics.Debug.WriteLine( "EXTRACTOR EXCEPTION: " + aException.Message );
+ if ( iExceptionHandler != null )
+ {
+ iExceptionHandler( "Heap Extraction Exception", aException.Message + System.Environment.NewLine + aException.StackTrace );
+ }
+ }
+ #endregion
+
+ #region Relationship Inspector observer
+ private void RelationshipInspector_Observer( AsyncReaderBase.TEvent aEvent, AsyncReaderBase aSender )
+ {
+ if ( iObserver != null )
+ {
+ if ( aEvent == AsyncReaderBase.TEvent.EReadingStarted || aEvent == AsyncReaderBase.TEvent.EReadingProgress )
+ {
+ iObserver( TEvent.EReconstructingProgress, this );
+ }
+ else if ( aEvent == AsyncReaderBase.TEvent.EReadingComplete )
+ {
+ iState = TState.EStateUpdatingStatistics;
+ iStatistics.Finalise( iData );
+ iObserver( TEvent.EReconstructingComplete, this );
+ }
+ }
+ }
+ #endregion
+
+ #region Data members
+ private TState iState;
+ private HeapStatistics iStatistics = new HeapStatistics();
+ private HeapCellArray iData = new HeapCellArray();
+ private readonly RHeapExtractor iExtractor;
+ private readonly RelationshipInspector iRelationshipInspector;
+ #endregion
+ }
+}
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