examples/Base/IPC/ClientServer/Complex/ComplexClientSubSession.cpp

// Copyright (c) 2000-2009 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:
// Implementation of the RCountSubSession class
//



#include "ComplexClientAndServer.h"
#include "ComplexClient.h"



TInt RCountSubSession::Open(RCountSession &aSession)
    {
    return CreateSubSession(aSession,ECountServCreateSubSession);
        }


void RCountSubSession::Close()
        {
        RSubSessionBase::CloseSubSession(ECountServCloseSubSession);
        }


TInt RCountSubSession::SetFromString(const TDesC& aString)
        {
        TIpcArgs args(&aString);
    return SendReceive(ECountServInitSubSession, args);
        }


void RCountSubSession::Increase()  
        {
        if (SubSessionHandle())
                {
                SendReceive(ECountServIncrease);
                }
        }


void RCountSubSession::IncreaseBy(TInt anInt)
        {
        if (SubSessionHandle())
                {
                TIpcArgs args(anInt);
            SendReceive(ECountServIncreaseBy, args);
                }
        }


void RCountSubSession::Decrease() 
        {
        if (SubSessionHandle())
                {
                SendReceive(ECountServDecrease);
                }
        }


void RCountSubSession::DecreaseBy(TInt anInt)
        {
        if (SubSessionHandle())
                {
                TIpcArgs args(anInt);
            SendReceive(ECountServDecreaseBy, args);
                }
        }


void RCountSubSession::Reset()
        {
        if (SubSessionHandle())
                {
                SendReceive(ECountServReset);
                }
        }


TInt RCountSubSession::CounterValue()
        {
        TInt res = KErrNotFound;
        TPckgBuf<TInt> pckg;
        
        if (SubSessionHandle())
                {
                  // Note that TPckgBuf is of type TDes8
            TIpcArgs args(&pckg);
            SendReceive(ECountServValue, args);
                
                  // Extract the value returned from the server. 
            res = pckg();
                }
                
    return res;        
        }

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