diff -r 000000000000 -r dfb7c4ff071f datacommsserver/networkcontroller/src/sigstrgth.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datacommsserver/networkcontroller/src/sigstrgth.cpp	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,106 @@
+// Copyright (c) 2003-2009 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:
+//
+
+/**
+ @file SIGSTRGTH.CPP
+*/
+
+#include "sigstrgth.h"
+
+CAgentSignalStrengthWatcher* CAgentSignalStrengthWatcher::NewL(RMobilePhone& aPhone)
+/**
+Allocates memory to class CAgentSignalStrengthWatcher
+
+@param aPhone,encapsulates access to a mobile phone.
+@return a pointer to class CAgentSignalStrengthWatcher.
+@exception if memory allocation fails.
+*/
+	{
+	CAgentSignalStrengthWatcher* self = new(ELeave)CAgentSignalStrengthWatcher(aPhone);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CAgentSignalStrengthWatcher::~CAgentSignalStrengthWatcher()
+/**
+Destructor
+*/
+	{
+	Cancel();
+	}
+
+TInt CAgentSignalStrengthWatcher::CurrentSignalStrength(TInt32& aSigStrength)
+/**
+Retrieve signal strength  of the current Agent.
+
+@param aSigStrength, denotes the signal strength.
+@return KErrUnknown if the signal strength has not yet been retrieved else KErrNone
+*/
+	{
+	if(iState == EInitialising)
+		{
+		// The signal strength has not yet been retrieved
+		return KErrUnknown;
+		}
+	aSigStrength=iSigStrengthInDBm;
+	return KErrNone;
+	}
+
+CAgentSignalStrengthWatcher::CAgentSignalStrengthWatcher(RMobilePhone& aPhone)
+: CActive(EPriorityStandard), iPhone(aPhone), iState(EInitialising)
+	{
+	CActiveScheduler::Add(this);
+	}
+
+void CAgentSignalStrengthWatcher::ConstructL()
+	{
+	// Start watching for signal strength
+	iPhone.GetSignalStrength(iStatus,iSigStrengthInDBm,iSigStrengthInBars);
+	SetActive();
+	}
+
+void CAgentSignalStrengthWatcher::RunL()
+	{
+	if(iStatus == KErrNone)
+		{
+		if(iSigStrengthInDBm != 0)
+			{
+			// The sig strength will be zero if not supported by the TSY
+			if(iState == EInitialising)
+				{
+				iState = EUpdating;
+				}
+			// Renew request
+			iPhone.NotifySignalStrengthChange(iStatus,iSigStrengthInDBm,iSigStrengthInBars);
+			SetActive();
+			}
+		}
+	}
+
+void CAgentSignalStrengthWatcher::DoCancel()
+	{
+	if(iState == EInitialising)
+		{
+		iPhone.CancelAsyncRequest(EMobilePhoneGetSignalStrength);
+		}
+	else
+		{
+		// Must be EUpdating
+		iPhone.CancelAsyncRequest(EMobilePhoneNotifySignalStrengthChange);
+		}
+	}
+