sysperfana/heapanalyser/Libraries/Engine/HeapComparisonLib/CSV/Workers/CSVWorkerLogSplitter.cs
changeset 8 15296fd0af4a
--- /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[] { "</MEMSPY_HEAP_CSV>", "</CSV_HEAP_SUMMARY>", "<= End Heap Summary =>", "<= HEAP SUMMARY END =>" };
+        private static readonly string[] KMarkerStart = new string[] { "<MEMSPY_HEAP_CSV>", "<CSV_HEAP_SUMMARY>", "<= 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
+    }
+}