systemhealthmanagement/systemhealthmgr/sysmonsrc/logonbackofftimer.cpp
changeset 0 4e1aa6a622a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/systemhealthmanagement/systemhealthmgr/sysmonsrc/logonbackofftimer.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,114 @@
+// Copyright (c) 2007-2009 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 "logonbackofftimer.h"
+#include "shmadebug.h"
+
+	
+const TInt KMonitorLogonRetryFirstInterval = 100000; // 100ms
+const TInt KMonitorLogonRetryMaxInterval = 10000000; // 10s
+const TInt KMonitorLogonRetryIntervalMultiple = 2; 
+
+
+	
+/**
+ Called from CMonitor
+*/	
+void CLogonBackoffTimer::ProcessLogon()
+	{
+		
+	if( (iMonitor.DoProcessLogon() == KErrNoMemory) )
+		{	
+		iTimer.After( iStatus, iRetryInterval );
+		SetActive();
+		
+		if( (iRetryInterval *= KMonitorLogonRetryIntervalMultiple) >= KMonitorLogonRetryMaxInterval ) 
+			{
+			iRetryInterval = KMonitorLogonRetryMaxInterval;	
+			}
+		
+
+		DEBUGPRINT1( _L("SysMonMonitor: Logon failed owing to lack of memory ") );	
+		}
+	else
+		{
+		iMonitor.ActivateSelf();
+		iRetryInterval = KMonitorLogonRetryFirstInterval;	
+		}
+	
+	}
+	
+
+
+void CLogonBackoffTimer::RunL()
+	{
+		
+	ProcessLogon();		
+	}
+	
+	
+	
+void CLogonBackoffTimer::DoCancel()
+	{
+	
+	iTimer.Cancel();	
+	}
+	
+	
+
+TInt CLogonBackoffTimer::RunError( TInt /*aError*/ )
+	{
+		
+	iTimer.Cancel();
+	
+	return KErrNone;	
+	}
+
+
+	
+CLogonBackoffTimer* CLogonBackoffTimer::NewL( MLogonCallback& aMonitor )
+	{
+	
+	CLogonBackoffTimer* self = new(ELeave) CLogonBackoffTimer( aMonitor );
+	CleanupStack::PushL( self );
+	self->ConstructL();
+	CleanupStack::Pop();
+	
+	return self;
+	}
+	
+
+
+void CLogonBackoffTimer::ConstructL()
+	{
+	
+	User::LeaveIfError( iTimer.CreateLocal() );	
+	CActiveScheduler::Add( this );
+	}
+	
+	
+	
+ CLogonBackoffTimer::CLogonBackoffTimer( MLogonCallback& aMonitor )
+: CActive( EPriorityStandard ), iMonitor( aMonitor ), iRetryInterval( KMonitorLogonRetryFirstInterval )
+ 	{
+ 	}
+ 	
+ 	
+ 	
+CLogonBackoffTimer::~CLogonBackoffTimer()
+	{
+	Cancel();
+	iTimer.Close();	
+	}