diff -r 8e12a575a9b5 -r 15296fd0af4a sysperfana/heapanalyser/Libraries/Engine/HeapComparisonLib/CSV/Workers/CSVWorkerLogSplitter.cs --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/sysperfana/heapanalyser/Libraries/Engine/HeapComparisonLib/CSV/Workers/CSVWorkerLogSplitter.cs Tue Jun 15 12:47:20 2010 +0300 @@ -0,0 +1,165 @@ +/* +* 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.Collections.Generic; +using System.Text; +using System.IO; +using SymbianUtils; + +namespace HeapComparisonLib.CSV +{ + internal class CSVWorkerLogSplitter : AsyncTextFileReader + { + #region Constructors + public CSVWorkerLogSplitter( string aFileName, CSVDataSetCollection aStorage ) + : base( aFileName ) + { + iStorage = aStorage; + } + #endregion + + #region API + public void SplitAsync() + { + base.AsyncRead(); + } + #endregion + + #region Properties + #endregion + + #region From AsyncTextFileReader + protected override void HandleFilteredLine( string aLine ) + { + string originalLine = aLine; + iCleaner.CleanLine( ref aLine ); + + // Strip prefix + if ( CheckForKnownElement( ref aLine, KRDebugPrefixes ) ) + { + } + + // Main handler + if ( CheckForKnownElement( ref aLine, KMarkerEnd ) ) + { + // Finished an item - forced flush + if ( iCurrentDataSet != null ) + { + iStorage.Add( iCurrentDataSet ); + } + + iCurrentDataSet = new CSVDataSet( base.FileName, base.LineNumber ); + iParser.CurrentDataSet = iCurrentDataSet; + } + else if ( CheckForKnownElement( ref aLine, KMarkerStart ) ) + { + // Start of item - make a new entry + iCurrentDataSet = new CSVDataSet( base.FileName, base.LineNumber ); + iParser.CurrentDataSet = iCurrentDataSet; + } + else + { + // Is it a valid line? + CSVThread threadEntry = iParser.ParseLine( aLine ); + if ( threadEntry != null ) + { + if ( iCurrentDataSet != null ) + { + iCurrentDataSet.Add( threadEntry ); + } + } + } + } + + protected override void HandleReadCompleted() + { + try + { + base.HandleReadCompleted(); + } + finally + { + // Save any WIP entry + if ( iCurrentDataSet != null && iCurrentDataSet.Count > 0 && !iStorage.Contains( iCurrentDataSet ) ) + { + iStorage.Add( iCurrentDataSet ); + iCurrentDataSet = null; + } + + // Remove any collections with no entries + iStorage.RemoveEmptyDataSets(); + + // Order by timestamp + iStorage.SortByTimestamp(); + } + } + #endregion + + #region Internal methods + private bool CheckForKnownElement( ref string aLine, string[] aPrefixes ) + { + bool handled = false; + // + foreach ( string prefix in aPrefixes ) + { + if ( aLine.Contains( prefix ) ) + { + PrefixParser.SkipPrefix( prefix, ref aLine ); + handled = true; + break; + } + } + // + return handled; + } + #endregion + + #region Interanl constants + private static readonly string[] KRDebugPrefixes = new string[] { "[Heap Summary] ", "CSV - " }; + private static readonly string[] KMarkerEnd = new string[] { "", "", "<= End Heap Summary =>", "<= HEAP SUMMARY END =>" }; + private static readonly string[] KMarkerStart = new string[] { "", "", "<= HEAP SUMMARY START =>", "Thread, Chunk, Base Addr, Size, Min, Max, 1st Free Addr, 1st Free Len, Free Count, Total Free Space" }; + #endregion + + #region Data members + private readonly CSVDataSetCollection iStorage; + private CSVDataSet iCurrentDataSet = null; + private TracePrefixAnalyser iCleaner = new TracePrefixAnalyser(); + private CSVThreadParser iParser = new CSVThreadParser(); + #endregion + } +}