--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dbgagents/trkagent/tcbclient/TrkTcbCliSession.cpp	Tue Mar 02 10:33:16 2010 +0530
@@ -0,0 +1,174 @@
+/*
+* 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 "TrkTcbCliSession.h"
+#include "TrkTcbClientDefs.h"
+
+// System includes
+
+// User includes
+#include "TrkTcbCmdCodes.h"
+#include "TrkTcbClientUtils.h"
+// Type definitions
+
+// Constants
+const TInt KNumberOfServerStartupAttempts = 2;
+
+// Enumerations
+
+//
+// RTrkTcbCliSession (source)
+//
+
+//
+// RTrkTcbCliSession::RTrkTcbCliSession
+//
+// Constructor
+//
+RTrkTcbCliSession::RTrkTcbCliSession()
+{
+}
+
+//
+//RTrkTcbCliSession::Connect()
+//
+// Connects the client process to the TrkTcb server, starting the server 
+// if it is not already running.
+// return KErrNone if successful, otherwise one of the system-wide errors.
+//
+TInt RTrkTcbCliSession::Connect()
+{
+	TInt startupAttempts = KNumberOfServerStartupAttempts;
+	for(;;)
+	{
+		TInt ret = CreateSession(TrkTcbClientDefs::ServerAndThreadName(), TrkTcbClientDefs::Version(), KTrkTcbServerAsynchronousSlotCount);
+		if (ret != KErrNotFound && ret != KErrServerTerminated)
+		{
+			return ret;
+		}
+		
+		if	(startupAttempts-- == 0)
+		{
+			return ret;
+		}
+		
+		ret = TrkTcbClientUtils::StartTrkTcbServer();
+		if	(ret != KErrNone && ret != KErrAlreadyExists)
+		{
+			return ret;
+		}
+	}
+}
+
+//
+// RTrkTcbCliSession::Version()
+//
+// Provides the version number of the TrkTcb server.
+// @return The version number. 
+//
+TVersion RTrkTcbCliSession::Version() const
+{
+	return TrkTcbClientDefs::Version();
+}
+
+//
+// RTrkTcbCliSession::OpenFile()
+//
+// Opens the specified file in the specified mode.
+// @return KErrNone - if succesful
+//		   Negative - if failed.
+//
+TInt RTrkTcbCliSession::OpenFile(const TDesC& aFilePath, TUint aMode, TTime& aModifiedTime)
+{
+	TPckg<TTime> package(aModifiedTime);
+	TInt length = aFilePath.Length();
+	TIpcArgs args(length, &aFilePath, aMode, &package);
+	
+	return SendReceive(ETrkTcbCmdCodeOpenFile, args);
+}
+
+//
+// RTrkTcbCliSession::ReadFile()
+//
+// Reads data from the already opened file.
+// @return KErrNone - if succesful
+//		   Negative - if failed.
+//
+TInt RTrkTcbCliSession::ReadFile(TUint16 aLength, TDes8& aFileData)
+{
+	TIpcArgs args(aLength, &aFileData);
+
+	return SendReceive(ETrkTcbCmdCodeReadFile, args);
+}
+
+//
+// RTrkTcbCliSession::WriteFile()
+//
+// Writes data into the already opened file.
+// @return KErrNone - if succesful
+//		   Negative - if failed.
+//
+TInt RTrkTcbCliSession::WriteFile(const TDesC8& aFileData)
+{
+	TIpcArgs args(aFileData.Length(), &aFileData);
+	
+	return SendReceive(ETrkTcbCmdCodeWriteFile, args);
+}
+
+//
+// RTrkTcbCliSession::CloseFile()
+//
+// Closes data into the already opened file.
+// @return KErrNone - if succesful
+//		   Negative - if failed.
+//
+TInt RTrkTcbCliSession::CloseFile(const TTime& aTime)
+{
+	TPckg<TTime> package(aTime);
+	TIpcArgs args(&package);
+	
+	return SendReceive(ETrkTcbCmdCodeCloseFile, args);
+}
+
+//
+// RTrkTcbCliSession::PositionFile()
+//
+// Changes the current postion in the already opened file
+// @return KErrNone - if succesful
+//		   Negative - if failed.
+//
+TInt RTrkTcbCliSession::PositionFile(TSeek aSeek, TInt& aOffset)
+{
+	TPckg<TSeek>  package(aSeek);
+	TIpcArgs args(&package, aOffset);
+	
+	return SendReceive(ETrkTcbCmdCodePositionFile, args);
+}
+
+//
+// RTrkTcbCliSession::ShutDownServer()
+//
+// Closes the server.
+// @return KErrNone - if succesful
+//		   Negative - if failed.
+//
+TInt RTrkTcbCliSession::ShutDownServer()
+{
+	TIpcArgs args;
+	return SendReceive(ETrkTcbCmdCodeShutDownServer, args);
+}
+