sysperfana/heapanalyser/Libraries/Engine/HeapLib/Output_HTML/HeapToHTMLPageHeapCellManager.cs
/*
* 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.IO;
using System.Text;
using System.Collections;
using SymbianUtils;
using HeapLib.Cells;
using HeapLib.Array;
using HeapLib.Reconstructor;
namespace HeapLib
{
public class HeapToHTMLPageHeapCellManager : AsyncTextWriterBase
{
#region Constructors & destructor
public HeapToHTMLPageHeapCellManager( HeapReconstructor aReconstructor, string aBasePath )
{
iReconstructor = aReconstructor;
iEntries = iReconstructor.Data;
iBasePath = aBasePath;
// Make sure our required directories exist
HeapToHTMLConverter.PageDirectoryNameEnsuringPathExists( iBasePath, "HeapData" );
HeapToHTMLConverter.PageDirectoryNameEnsuringPathExists( iBasePath, "HeapLinkInfo" );
}
#endregion
#region API
public static string HeapCellFileName( HeapCell aCell )
{
// Basic filename
string basicName = aCell.Address.ToString( "x8" );
return basicName;
}
public static string HeapCellDirectory( HeapCell aCell, string aStandardSubDir, char aDirectorySeparatorCharacter )
{
string subDirType = "Free";
// Work out which subdir to put the file in. Allocated & free cells go in different base directories
// We don't put more than KMaxNumberOfFilesPerDirectory (100) files in each directory.
if ( aCell.Type == HeapCell.TType.EAllocated )
{
subDirType = "Allocated";
}
uint rampedIndex = aCell.Index / KMaxNumberOfFilesPerDirectory;
string subDirCellIndex = rampedIndex.ToString( "d4" );
string combinedSubDir = aStandardSubDir + aDirectorySeparatorCharacter + subDirType + aDirectorySeparatorCharacter + subDirCellIndex;
return combinedSubDir;
}
public static string HeapCellFileNameAndPath( HeapCell aCell, string aBasePath, string aStandardSubDir )
{
string basicName = HeapCellFileName( aCell );
string combinedSubDir = HeapCellDirectory( aCell, aStandardSubDir, System.IO.Path.DirectorySeparatorChar );
string heapDataFileName = HeapToHTMLConverter.PageFileNameEnsuringPathExists( basicName, aBasePath, combinedSubDir );
return heapDataFileName;
}
#endregion
#region From AsyncTextWriterBase
public override long Size
{
get
{
return (long) iEntries.Count;
}
}
public override long Position
{
get
{
long pos = (long) iCurrentHeapCellIndex;
return pos;
}
}
public override void ExportData()
{
HeapCell entry = iEntries[ iCurrentHeapCellIndex++ ];
// Create heap data writer
string heapDataFileName = HeapCellFileNameAndPath( entry, iBasePath, "HeapData" );
using( HeapToHTMLPageHeapData writer = new HeapToHTMLPageHeapData( iReconstructor, heapDataFileName, entry ) )
{
writer.ConstructWriter();
writer.ExportData();
}
// Create heap linkced cell writer
string heapLinkInfoFileName = HeapCellFileNameAndPath( entry, iBasePath, "HeapLinkInfo" );
using( HeapToHTMLPageHeapLinkedCells writer = new HeapToHTMLPageHeapLinkedCells( iReconstructor, heapLinkInfoFileName, entry ) )
{
writer.ConstructWriter();
writer.ExportData();
}
}
#endregion
#region Internal constants
private const uint KMaxNumberOfFilesPerDirectory = 100;
#endregion
#region Data members
private readonly HeapReconstructor iReconstructor;
private readonly HeapCellArray iEntries;
private readonly string iBasePath;
private int iCurrentHeapCellIndex = 0;
#endregion
}
}