diff -r 000000000000 -r c6b0df440bee dbgagents/trkagent/app/common/trkconnstatelistener.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dbgagents/trkagent/app/common/trkconnstatelistener.cpp	Tue Mar 02 10:33:16 2010 +0530
@@ -0,0 +1,111 @@
+/*
+* 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 FILES
+#include <e32std.h>                      
+
+#include "trksrvclisession.h"
+#include "trkconnstatelistener.h" 
+                   
+// LOCAL FUNCTION PROTOTYPES
+
+// LOCAL CONSTANTS
+
+//
+// CTrkConnStateListener::CTrkConnStateListener
+// Constructor
+//
+CTrkConnStateListener::CTrkConnStateListener (RTrkSrvCliSession& aTrkSrvSession, MTrkServerEventCallback *aTrkServerEventCallback) 
+              :CTrkServerEventListener(aTrkSrvSession, aTrkServerEventCallback, CActive::EPriorityStandard), iConnMsg(KNullDesC), iConnState(iConnStatus)
+{
+    iConnStatus = ETrkNotConnected;
+    iTrkSrvSession.GetDebugConnStatus(iConnStatus, iConnMsg);
+    CActiveScheduler::Add( this ); 
+}
+
+//
+// CTrkConnStateListener::~CTrkConnStateListener
+// Destructor
+//
+CTrkConnStateListener::~CTrkConnStateListener()
+{
+    Cancel();   // Ensure that any outstanding requests are cancelled
+    Deque();
+}
+
+//
+// CTrkConnStateListener::ListenL
+// Starts listening for usb connection status notifications..
+//
+void CTrkConnStateListener::ListenL()
+{       
+    IssueRequestL();        
+}
+
+
+
+//
+// CTrkConnStateListener::StopListening
+// Cancel any pending requests for connection status notifications.
+//
+void CTrkConnStateListener::StopListening()
+{
+    Cancel();   
+}
+
+//
+// CTrkConnStateListener::IssueRequestL
+//
+TBool CTrkConnStateListener::IsConnected()
+{       
+   iTrkSrvSession.GetDebugConnStatus(iConnStatus, iConnMsg);
+   return (iConnStatus==ETrkConnected);
+}
+
+//
+// CTrkConnStateListener::IssueRequestL
+//
+void CTrkConnStateListener::IssueRequestL()
+{       
+    if (IsActive()) //already listening, just return...
+        return;
+    iTrkSrvSession.DebugConnStatusNotify(iConnState, iConnMsg, iStatus);
+    
+    SetActive();    
+}
+
+//
+// CTrkConnStateListener::DoCancel
+// This method gets called from CActive::Cancel();
+//
+void CTrkConnStateListener::DoCancel()
+{
+    iTrkSrvSession.DebugConnStatusNotifyCancel();   
+}
+
+//
+// CTrkConnStateListener::RunL
+// This method gets called whenever there is a change in the connection status.
+//
+void CTrkConnStateListener::RunL()
+{
+    User::LeaveIfError( iStatus.Int() );
+    if (iTrkServerEventCallback)
+        iTrkServerEventCallback->ConnectionStateChanged(iConnStatus);
+    
+    IssueRequestL();
+}