crashanalysercmd/Libraries/Engine/CrashItemLib/Crash/Container/CIContainerIndex.cs
changeset 0 818e61de6cd1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/Libraries/Engine/CrashItemLib/Crash/Container/CIContainerIndex.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,160 @@
+/*
+* 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 CrashItemLib.Engine;
+using CrashItemLib.Crash.InfoSW;
+
+namespace CrashItemLib.Crash.Container
+{
+    sealed internal class CIContainerIndex : IEnumerable< KeyValuePair<uint, CIContainerCollection> >
+    {
+        #region Constructors
+        public CIContainerIndex( CIEngine aEngine )
+        {
+            aEngine.CrashObservers += new CIEngine.CIEngineCrashObserver( Engine_CrashObserver );
+        }
+        #endregion
+
+        #region API
+        public CIContainerCollection DequeueNextContainer()
+        {
+            CIContainerCollection ret = null;
+            //
+            lock ( iDictionary )
+            {
+                Dictionary<uint, CIContainerCollection>.Enumerator enumerator = iDictionary.GetEnumerator();
+                bool next = enumerator.MoveNext();
+                if ( next )
+                {
+                    ret = enumerator.Current.Value;
+                    iDictionary.Remove( enumerator.Current.Key );
+                }
+            }
+            //
+            return ret;
+        }
+
+        public static uint GetRomChecksum( CIContainer aContainer )
+        {
+            uint ret = 0;
+
+            // Find the infosw item in order to obtain the image checksum
+            CIInfoSW infoSW = aContainer.ChildByType( typeof( CIInfoSW ) ) as CIInfoSW;
+            if ( infoSW != null )
+            {
+                ret = infoSW.ImageCheckSum;
+            }
+
+            return ret;
+        }
+        #endregion
+
+        #region Properties
+        public int Count
+        {
+            get { return iDictionary.Count; }
+        }
+        #endregion
+
+        #region Event handlers
+        private void Engine_CrashObserver( CIEngine.TCrashEvent aEvent, CIContainer aContainer )
+        {
+            if ( aEvent == CIEngine.TCrashEvent.EEventCrashRemovedAll )
+            {
+                lock ( iDictionary )
+                {
+                    iDictionary.Clear();
+                }
+            }
+            else if ( aEvent == CIEngine.TCrashEvent.EEventCrashRemoved )
+            {
+                RemoveFromDictionary( aContainer );
+            }
+            else if ( aEvent == CIEngine.TCrashEvent.EEventCrashAdded )
+            {
+                AddToDictionary( aContainer );
+            }
+        }
+        #endregion
+
+        #region Internal methods
+        private void RemoveFromDictionary( CIContainer aContainer )
+        {
+            uint checksum = GetRomChecksum( aContainer );
+            CIContainerCollection collection = null;
+            //
+            lock ( iDictionary )
+            {
+                if ( iDictionary.TryGetValue( checksum, out collection ) )
+                {
+                    collection.Remove( aContainer );
+
+                    // If the collection is empty, remove the mapping also
+                    if ( collection.Count == 0 )
+                    {
+                        iDictionary.Remove( checksum );
+                    }
+                }
+            }
+        }
+
+        private void AddToDictionary( CIContainer aContainer )
+        {
+            uint checksum = GetRomChecksum( aContainer );
+
+            // Check if there is a collection for this key already
+            CIContainerCollection collection = null;
+            lock ( iDictionary )
+            {
+                if ( iDictionary.TryGetValue( checksum, out collection ) == false )
+                {
+                    // Nope, collection not yet registers
+                    collection = new CIContainerCollection();
+                    iDictionary.Add( checksum, collection );
+                }
+            }
+
+            // Now save
+            collection.Add( aContainer );
+        }
+        #endregion
+            
+        #region From IEnumerable< KeyValuePair<uint, CIContainerCollection> >
+        public IEnumerator<KeyValuePair<uint,CIContainerCollection>> GetEnumerator()
+        {
+            foreach( KeyValuePair<uint,CIContainerCollection> kvp in iDictionary )
+            {
+                yield return kvp;
+            }
+        }
+
+        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
+        {
+            foreach( KeyValuePair<uint,CIContainerCollection> kvp in iDictionary )
+            {
+                yield return kvp;
+            }
+        }
+        #endregion
+
+        #region Data members
+        private Dictionary<uint, CIContainerCollection> iDictionary = new Dictionary<uint, CIContainerCollection>();
+        #endregion
+    }
+}