--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/loggingservices/eventlogger/LogServ/src/LOGCOMP.CPP Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,81 @@
+// Copyright (c) 2002-2009 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 "LOGCOMP.H"
+#include "logservpanic.h"
+#include "LogServDatabaseTransactionInterface.h"
+
+// Constants
+const TInt KLogMaxWastedSpacePercentage = 25;
+const TInt KLogMaxWastedSpace = 128 * 1024;
+const TInt KLogMinWastedSpace = 32 * 1024;
+
+
+CLogCompact::CLogCompact(MLogServDatabaseTransactionInterface& aDatabase, TInt aPriority)
+: CLogActive(aPriority), iDatabase(aDatabase)
+ {
+ }
+
+void CLogCompact::Start(TRequestStatus& aStatus)
+ {
+ __ASSERT_DEBUG(!IsActive(), Panic(ELogAlreadyActive5));
+
+ TInt error = iOperation.UpdateStats(iDatabase.DTIDatabase(), iStep());
+ iCompact = EFalse;
+
+ Queue(aStatus);
+ TRequestStatus* st = &iStatus;
+ User::RequestComplete(st, error);
+ SetActive();
+ }
+
+void CLogCompact::DoRunL()
+ {
+ if (iStep() > 0)
+ {
+ iOperation.Next(iStep, iStatus);
+ SetActive();
+ }
+ else if (!iCompact && CompactRequired())
+ {
+ iOperation.Close();
+
+ iCompact = ETrue;
+ User::LeaveIfError(iOperation.Compact(iDatabase.DTIDatabase(), iStep()));
+
+ if (iStep() > 0)
+ {
+ TRequestStatus* st = &iStatus;
+ User::RequestComplete(st, KErrNone);
+
+ SetActive();
+ }
+ }
+ }
+
+TBool CLogCompact::CompactRequired() const
+ {
+ RDbDatabase::TSize size = iDatabase.DTIDatabase().Size();
+ if (size.iUsage < 0)
+ return EFalse;
+
+ const TInt wastedSpace = (size.iSize * (100 - size.iUsage)) / 100;
+ return (wastedSpace > KLogMinWastedSpace && (100 - size.iUsage) > KLogMaxWastedSpacePercentage) || wastedSpace > KLogMaxWastedSpace;
+ }
+
+void CLogCompact::DoComplete(TInt&)
+ {
+ iOperation.Close();
+ }