--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/appinstaller/AppinstUi/Daemon/Src/installationFailedAppsCache.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,224 @@
+/*
+* 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: 
+*
+*/
+
+
+#include <f32file.h>
+#include <s32file.h>
+#include <pathinfo.h>
+
+#include "sisregistrysession.h"
+#include "sisregistryentry.h"
+#include "sisregistrypackage.h"
+
+using namespace Swi;
+
+#include "installationFailedAppsCache.h"
+
+_LIT(KInstFaildeApps, "c:\\private\\10202DCE\\instFailedAppsCache.dat");
+
+#include "SWInstDebug.h"
+
+// ----------------------------
+// Borrowed from cleanuputils.h:-
+/** 
+ * Template class CleanupResetAndDestroy to clean up the array
+ * of implementation information from the cleanup stack.
+ * @released
+ * @publishedPartner
+ *
+ */
+
+template <class T>
+class CleanupResetAndDestroy
+	{
+public:
+	inline static void PushL(T& aRef);
+private:
+	static void ResetAndDestroy(TAny *aPtr);
+	};
+	
+template <class T>
+inline void CleanupResetAndDestroyPushL(T& aRef);
+
+template <class T>
+inline void CleanupResetAndDestroy<T>::PushL(T& aRef)
+	{
+	CleanupStack::PushL(TCleanupItem(&ResetAndDestroy,&aRef));
+	}
+
+template <class T>
+void CleanupResetAndDestroy<T>::ResetAndDestroy(TAny *aPtr)
+	{
+	static_cast<T*>(aPtr)->ResetAndDestroy();
+	}
+
+template <class T>
+inline void CleanupResetAndDestroyPushL(T& aRef)
+	{
+	CleanupResetAndDestroy<T>::PushL(aRef);
+	}
+
+// End of code from swi/inc/cleanuputils.h
+
+
+CInstallationFailedAppsCache *CInstallationFailedAppsCache::NewL()
+	{
+	FLOG( _L("Daemon: CInstallationFailedAppsCache::NewL") ); 
+	
+	CInstallationFailedAppsCache *self = new(ELeave)CInstallationFailedAppsCache;
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+
+CInstallationFailedAppsCache::~CInstallationFailedAppsCache()
+	{
+	iUidsArray.Reset();
+	}
+
+
+void CInstallationFailedAppsCache::AddPackageUID( TUid aUid )
+	{
+	FLOG( _L("Daemon: CInstallationFailedAppsCache::AddPackageUID") );
+	
+	(void)iUidsArray.InsertInSignedKeyOrder( aUid );
+	// New UID added to array. Let's write cache to disk.
+	iNewUID = ETrue;		
+	}
+
+
+TBool CInstallationFailedAppsCache::HasPreviousInstallationFailed( TUid aUid )
+	{
+	FLOG( _L("Daemon: CInstallationFailedAppsCache::HasPreviousInstallationFailed") );
+	
+	if ( iUidsArray.FindInSignedKeyOrder( aUid ) == KErrNotFound )
+		{
+		FLOG( _L("Daemon: UID not found. No previous install attempt") );
+		return EFalse;
+		}
+	
+	FLOG( _L("Daemon: UID found. Previous install attempt FAILED") );	
+	return ETrue;
+	}
+
+
+CInstallationFailedAppsCache::CInstallationFailedAppsCache()
+	{
+	}
+
+
+void CInstallationFailedAppsCache::ConstructL()
+	{
+	User::LeaveIfError( iFs.Connect() );
+	TInt drive = 0;
+    iFs.CharToDrive( TParsePtrC( PathInfo::PhoneMemoryRootPath() ).Drive()[0], drive );
+    iFs.CreatePrivatePath( drive );
+    
+    iNewUID = EFalse;
+
+	// Read cache file
+	TRAP_IGNORE( InitFromCacheFileL() );
+	}
+
+
+void CInstallationFailedAppsCache::InitFromCacheFileL()
+	{
+	FLOG( _L("Daemon: CInstallationFailedAppsCache::InitFromCacheFileL") );	
+	
+	// Read in existing cache file.
+	RFile cacheFile;
+	
+	TInt err = cacheFile.Open( iFs, KInstFaildeApps, EFileStream|EFileRead );
+	
+	if ( err != KErrNone )
+		{
+		FLOG( _L("Daemon: No existing cache file to read.") );
+		return; // No existing cache file to read.
+		}
+		
+	CleanupClosePushL(cacheFile);
+	
+	// Now read the cache
+	RFileReadStream cacheReadStream(cacheFile);
+	cacheReadStream.PushL();
+
+	iUidsArray.Reset();
+	
+	TInt32 count( cacheReadStream.ReadInt32L() );	
+
+	for ( TInt i = 0; i < count; i++ )
+		{		
+		TUid packageId;
+		packageId.iUid = cacheReadStream.ReadInt32L();
+		
+		(void)iUidsArray.InsertInSignedKeyOrder( packageId );
+		}	
+	
+	CleanupStack::PopAndDestroy(&cacheReadStream);
+	CleanupStack::PopAndDestroy(&cacheFile);
+    }
+
+
+void CInstallationFailedAppsCache::FlushToDiskL()
+	{
+    FLOG( _L("Daemon: CInstallationFailedAppsCache::FlushToDiskL") );		
+	
+	// Write to disk if new UID is added to array. 
+	if ( iNewUID )
+    	{
+    	FLOG( _L("Daemon: Write cache to disk") );
+    	RFile cacheFile;
+    	TInt err = cacheFile.Open( iFs, KInstFaildeApps, EFileStream|EFileWrite );
+    	
+    	// If cache was not found, create cache file.
+    	if ( err != KErrNone )
+    		{
+    		FLOG( _L("Daemon: Create cache file.") );
+    	    User::LeaveIfError( cacheFile.Create( iFs, KInstFaildeApps, EFileStream|EFileWrite ) );
+    		}
+    	
+    	CleanupClosePushL(cacheFile);
+
+    	// Truncate file.
+    	User::LeaveIfError( cacheFile.SetSize(0) );
+    	
+    	// Now write the cache 
+    	RFileWriteStream cacheWriteStream( cacheFile );
+    	cacheWriteStream.PushL();
+
+    	TInt32 count( iUidsArray.Count() );
+    	cacheWriteStream.WriteInt32L( count );
+
+    	for ( TInt i = 0; i < count; i++ )
+    		{    		
+    		cacheWriteStream.WriteInt32L( iUidsArray[i].iUid );
+    		}	
+    	
+    	cacheWriteStream.CommitL();
+    	FLOG( _L("Daemon: Commit cache file.") );
+    	
+    	CleanupStack::PopAndDestroy(&cacheWriteStream);
+    	CleanupStack::PopAndDestroy(&cacheFile);
+    	
+    	// Ok, UIDs are written to disk, set boolen to false.
+    	iNewUID = EFalse;	    
+    	}
+	}
+
+// End of file