--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothmgmt/bluetoothclientlib/btlib/physicallinkmetrics.cpp	Fri Jan 15 08:13:17 2010 +0200
@@ -0,0 +1,276 @@
+// Copyright (c) 2008-2009 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 <bt_sock.h>
+#include "physicallinkmetrichelpers.h"
+
+_LIT(KPhysLinkMetricFaultCat, "BTPhysLinkMetric");
+enum TPhysLinkMetricFault
+	{
+	EInvalidMetric,
+	};
+
+/**
+Creates a new CBluetoothPhysicalLinkMetrics object from a connected socket
+@param aObserver The object which will receive asynchronous events
+@param aSockServ A handle to an existing session on the socket server (ESock).
+@param 	aConnectedSocket An open connected socket (ESock subsession) on that existing ESock session 
+*/
+EXPORT_C CBluetoothPhysicalLinkMetrics* CBluetoothPhysicalLinkMetrics::NewL(
+					MBluetoothPhysicalLinkMetricsObserver& aObserver,
+					RSocketServ& aSockServ,
+					RSocket& aConnectedSocket)
+	{
+	CBluetoothPhysicalLinkMetrics* self = new(ELeave) CBluetoothPhysicalLinkMetrics(aObserver);
+	CleanupStack::PushL(self);
+	self->ConstructL(aSockServ, aConnectedSocket);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+/**
+Creates a new CBluetoothPhysicalLinkMetrics object from a connected socket
+@param aObserver The object which will receive asynchronous events
+@param aSockServ A handle to an existing session on the socket server (ESock).
+@param 	aAddr The Bluetooth address of a remote device with which there is an existing connection 
+*/
+EXPORT_C CBluetoothPhysicalLinkMetrics* CBluetoothPhysicalLinkMetrics::NewL(
+					MBluetoothPhysicalLinkMetricsObserver& aObserver,
+					RSocketServ& aSockServ,
+					const TBTDevAddr& aAddr)
+	{
+	CBluetoothPhysicalLinkMetrics* self = new(ELeave) CBluetoothPhysicalLinkMetrics(aObserver);
+	CleanupStack::PushL(self);
+	self->ConstructL(aSockServ, aAddr);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+/**
+Destructor
+*/
+EXPORT_C CBluetoothPhysicalLinkMetrics::~CBluetoothPhysicalLinkMetrics()
+	{
+	delete iRssiBaseband;
+	delete iLinkQualityBaseband;
+	delete iFailedContactCounterBaseband;
+	delete iTransmitPowerLevelBaseband;
+	}
+
+/**
+Subscribes for notification of changes to the RSSI (Received Signal Strengh Indication)
+of the link.
+MBluetoothPhysicalLinkMetricsObserver::MbplmoRssiChanged will be called with the
+initial value, then subsequently every time the RSSI changes, subject to the polling
+interval specified in the stack.
+The stack will continue to run a timer to poll the hardware until the physical link is disconnected
+or CBluetoothPhysicalLinkMetrics::Cancel is called
+*/
+EXPORT_C void CBluetoothPhysicalLinkMetrics::SubscribeRssi()
+	{
+	iRssiBaseband->SubscribePhysicalLinkMetric(KLMReadRssiIoctl);
+	}
+
+/**
+Subscribes for notification of changes to the Link Quality.
+MBluetoothPhysicalLinkMetricsObserver::MbplmoLinkQualityChanged will be called with the
+initial value, then subsequently every time the link quality changes, subject to the 
+polling interval specified in the stack.
+The stack will continue to run a timer to poll the hardware until the physical link is disconnected
+or CBluetoothPhysicalLinkMetrics::Cancel is called
+*/
+EXPORT_C void CBluetoothPhysicalLinkMetrics::SubscribeLinkQuality()
+	{
+	iLinkQualityBaseband->SubscribePhysicalLinkMetric(KLMReadLinkQualityIoctl);
+	}
+
+/**
+Subscribes for notification of changes to the Failed Contact counter of the link.
+MBluetoothPhysicalLinkMetricsObserver::MbplmoFailedContactCounterChanged will be called
+with the initial value, then subsequently every time the failed contact counter	changes,
+subject to the polling interval specified in the stack.
+The stack will continue to run a timer to poll the hardware until the physical link is disconnected
+or CBluetoothPhysicalLinkMetrics::Cancel is called
+*/	
+EXPORT_C void CBluetoothPhysicalLinkMetrics::SubscribeFailedContactCounter()
+	{
+	iFailedContactCounterBaseband->SubscribePhysicalLinkMetric(KLMReadFailedContactCounterIoctl);
+	}
+
+/**
+Subscribes for notification of changes to the Transmit Power Level of the link.
+MBluetoothPhysicalLinkMetricsObserver::MbplmoTransmitPowerLevelChanged will be called
+with the initial value, then subsequently every time the transmit power level changes,
+subject to the polling interval specified in the stack.
+The stack will continue to run a timer to poll the hardware until the physical link is disconnected
+or CBluetoothPhysicalLinkMetrics::Cancel is called
+*/
+EXPORT_C void CBluetoothPhysicalLinkMetrics::SubscribeTransmitPowerLevel()
+	{
+	iTransmitPowerLevelBaseband->SubscribePhysicalLinkMetric(KLMReadCurrentTransmitPowerLevelIoctl);
+	}
+
+/**
+Cancels subscriptions to all physical link notifications.
+*/
+EXPORT_C void CBluetoothPhysicalLinkMetrics::Cancel()
+	{
+	iRssiBaseband->Cancel();
+	iLinkQualityBaseband->Cancel();
+	iTransmitPowerLevelBaseband->Cancel();
+	iFailedContactCounterBaseband->Cancel();
+	}
+
+void CBluetoothPhysicalLinkMetrics::RssiChanged(TInt8 aRssi)
+	{
+	iObserver.MbplmoRssiChanged(aRssi);
+	}
+
+void CBluetoothPhysicalLinkMetrics::LinkQualityChanged(TUint8 aLinkQuality)
+	{
+	iObserver.MbplmoLinkQualityChanged(aLinkQuality);
+	}
+
+void CBluetoothPhysicalLinkMetrics::FailedContactCounterChanged(TUint16 aFailedContactCounter)
+	{
+	iObserver.MbplmoFailedContactCounterChanged(aFailedContactCounter);
+	}
+
+void CBluetoothPhysicalLinkMetrics::TransmitPowerLevelChanged(TInt8 aTransmitPowerLevel)
+	{
+	iObserver.MbplmoTransmitPowerLevelChanged(aTransmitPowerLevel);
+	}
+
+void CBluetoothPhysicalLinkMetrics::SubscribeError(TInt aError)
+	{
+	Cancel();
+	iObserver.MbplmoError(aError);
+	}
+
+CBluetoothPhysicalLinkMetrics::CBluetoothPhysicalLinkMetrics(MBluetoothPhysicalLinkMetricsObserver& aObserver):
+	iObserver(aObserver)
+	{
+	
+	}
+template <class T>
+void CBluetoothPhysicalLinkMetrics::ConstructL(RSocketServ& aSockServ, T& aLinkIdentifier)
+	{
+	iRssiBaseband = CBluetoothPhysicalLinkMetricSubscriber::NewL(*this, aSockServ, aLinkIdentifier);
+	iLinkQualityBaseband = CBluetoothPhysicalLinkMetricSubscriber::NewL(*this, aSockServ, aLinkIdentifier);
+	iFailedContactCounterBaseband = CBluetoothPhysicalLinkMetricSubscriber::NewL(*this, aSockServ, aLinkIdentifier);
+	iTransmitPowerLevelBaseband = CBluetoothPhysicalLinkMetricSubscriber::NewL(*this, aSockServ, aLinkIdentifier);
+	}
+
+CBluetoothPhysicalLinkMetricSubscriber* CBluetoothPhysicalLinkMetricSubscriber::NewL(
+							CBluetoothPhysicalLinkMetrics& aParent,
+							RSocketServ& aSockServ,
+							RSocket& aConnectedSocket)
+	{
+	CBluetoothPhysicalLinkMetricSubscriber* self = new(ELeave) CBluetoothPhysicalLinkMetricSubscriber(aParent);
+	CleanupStack::PushL(self);
+	self->ConstructL(aSockServ, aConnectedSocket);
+	CleanupStack::Pop(self);
+	return self;
+
+	}
+
+CBluetoothPhysicalLinkMetricSubscriber* CBluetoothPhysicalLinkMetricSubscriber::NewL(
+								CBluetoothPhysicalLinkMetrics& aParent,
+								RSocketServ& aSockServ,
+								const TBTDevAddr& aAddr)
+	{
+	CBluetoothPhysicalLinkMetricSubscriber* self = new(ELeave) CBluetoothPhysicalLinkMetricSubscriber(aParent);
+	CleanupStack::PushL(self);
+	self->ConstructL(aSockServ, aAddr);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CBluetoothPhysicalLinkMetricSubscriber::~CBluetoothPhysicalLinkMetricSubscriber()
+	{
+	Cancel();
+	iBaseband.Close();
+	}
+
+void CBluetoothPhysicalLinkMetricSubscriber::SubscribePhysicalLinkMetric(TBTLMIoctls aIoctl)
+	{
+	if (!IsActive())
+		{
+		iPhysicalLinkMetric = aIoctl;
+		iValue() = KMaxTInt;
+		// KMaxTInt is not a valid value that will be returned by the controller, so this is used
+		// as a value to get the initial value from the stack.
+		iBaseband.ReadNewPhysicalLinkMetricValue(iStatus, iValue, iPhysicalLinkMetric);
+		SetActive();
+		}
+	}
+
+
+CBluetoothPhysicalLinkMetricSubscriber::CBluetoothPhysicalLinkMetricSubscriber(CBluetoothPhysicalLinkMetrics& aParent):
+	CActive(CActive::EPriorityStandard), iParent(aParent)
+	{
+	CActiveScheduler::Add(this);
+	}
+
+void CBluetoothPhysicalLinkMetricSubscriber::ConstructL(RSocketServ& aSockServ,	RSocket& aConnectedSocket)
+	{
+	User::LeaveIfError(iBaseband.Open(aSockServ, aConnectedSocket));
+	}
+
+void CBluetoothPhysicalLinkMetricSubscriber::ConstructL(RSocketServ& aSockServ,	const TBTDevAddr& aAddr)
+	{
+	User::LeaveIfError(iBaseband.Open(aSockServ, const_cast<TBTDevAddr&>(aAddr)));
+	}
+
+void CBluetoothPhysicalLinkMetricSubscriber::RunL()
+	{
+	User::LeaveIfError(iStatus.Int());
+	iBaseband.ReadNewPhysicalLinkMetricValue(iStatus, iValue, iPhysicalLinkMetric);
+	SetActive();
+	switch (iPhysicalLinkMetric)
+		{
+		case KLMReadRssiIoctl:
+			iParent.RssiChanged(iValue());
+			break;
+		case KLMReadCurrentTransmitPowerLevelIoctl:
+			iParent.TransmitPowerLevelChanged(iValue());
+			break;
+		case KLMReadLinkQualityIoctl:
+			iParent.LinkQualityChanged(iValue());
+			break;
+		case KLMReadFailedContactCounterIoctl:
+			iParent.FailedContactCounterChanged(iValue());
+			break;
+		default:
+			__ASSERT_ALWAYS(EFalse,User::Panic(KPhysLinkMetricFaultCat, EInvalidMetric));
+		}
+	}
+
+TInt CBluetoothPhysicalLinkMetricSubscriber::RunError(TInt aError)
+	{
+	iParent.SubscribeError(aError);
+	return KErrNone;
+	}
+
+void CBluetoothPhysicalLinkMetricSubscriber::DoCancel()
+	{
+	iBaseband.CancelPhysicalLinkMetricUpdate();
+	}
+
+EXPORT_C TAny* MBluetoothPhysicalLinkMetricsObserver::MbplmoExtensionInterfaceL(TUid /* aInterface */)
+	{
+	User::Leave(KErrExtensionNotSupported);
+	return NULL;
+	}