--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dbgagents/trkagent/engine/TrkCommPort.h	Tue Mar 02 10:33:16 2010 +0530
@@ -0,0 +1,151 @@
+/*
+* Copyright (c) 2004 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: 
+*
+*/
+
+
+#ifndef __TRKCOMMPORT_H__
+#define __TRKCOMMPORT_H__
+
+#include <e32base.h>
+#include "TrkConnData.h"
+
+
+//
+// Macros
+//
+// these must be defined before including msgcmd.h
+#define DS_PROTOCOL	DS_PROTOCOL_RTOS
+#define DEBUG_MSGCMD 0
+
+#include "msgcmd.h"
+
+#define SafeDelete(x) { if (x) delete x; x = NULL; }
+
+
+//
+// class CInactivityTimerDisabler
+//
+// Active object used to avoid auto-switch off
+//
+class CInactivityTimerDisabler : public CActive
+{
+public:
+
+	CInactivityTimerDisabler();
+	void ConstructL();
+	~CInactivityTimerDisabler();
+	void Activate();
+
+protected:
+
+	void RunL();
+	void DoCancel();
+
+private:
+
+	enum { KPeriod = 5 * 1000000 };
+
+	RTimer iTimer;
+};
+
+//
+//
+// CInactivityTimerDisabler implementation
+//
+//
+
+inline CInactivityTimerDisabler::CInactivityTimerDisabler()
+	: CActive(EPriorityLow)
+{
+	CActiveScheduler::Add(this);
+}
+
+inline void CInactivityTimerDisabler::ConstructL()
+{
+	User::LeaveIfError(iTimer.CreateLocal());
+}
+
+inline CInactivityTimerDisabler::~CInactivityTimerDisabler()
+{
+	Cancel();
+	iTimer.Close();
+	Deque();
+}
+
+inline void CInactivityTimerDisabler::Activate()
+{
+	iTimer.After(iStatus, KPeriod);
+	SetActive();
+}
+
+inline void CInactivityTimerDisabler::RunL()
+{
+	User::ResetInactivityTime();
+	Activate();
+}
+
+inline void CInactivityTimerDisabler::DoCancel()
+{
+	iTimer.Cancel();
+}
+
+
+//
+// Forward declarations
+class CTrkFramingLayer;
+
+
+//
+// class CTrkCommPort
+//
+// Abstract base class for communications port
+//
+class CTrkCommPort : public CActive
+{
+public:
+	
+	virtual ~CTrkCommPort();
+
+	virtual void OpenPortL() = 0;
+	virtual void ClosePort() = 0;
+	virtual void SendDataL(const TDesC8& aData) = 0;
+	virtual void Listen(CTrkFramingLayer *aFramingLayer) = 0;
+	virtual void StopListening() = 0;
+	virtual TBool IsConnectionEstablished() { return iConnectionStatus == ETrkConnected; };
+	virtual void GetConnectionInfo(TDes& aMessage) { aMessage = iConnectionMessage; };
+	virtual void GetErrorInfo(TDes& aMessage) { aMessage = iErrorMessage; };
+	virtual TTrkConnStatus GetConnectionStatus() { return iConnectionStatus; };
+
+protected:
+
+	CTrkCommPort(TInt aPriority, TTrkConnStatus aConnectionStatus);
+
+	TBuf<KMaxPath> iConnectionMessage;
+	TBuf<KMaxPath> iErrorMessage;
+	TTrkConnStatus iConnectionStatus;
+};
+
+inline CTrkCommPort::CTrkCommPort(TInt aPriority,TTrkConnStatus aConnectionStatus=ETrkConnected)
+	: CActive(aPriority),
+	iConnectionStatus(aConnectionStatus)
+{
+}
+
+inline CTrkCommPort::~CTrkCommPort()
+{
+}
+
+#endif // __TRKCOMMPORT_H__