//Editor-Info: -*- C++ -*-
//
//Subject: TOVE project/CC
//
//File: cctstate_null.h
//
//Version: $Revision: 1.9 $
//
//State: $State: Exp $
//
//Date: $Date: 1999/03/05 16:31:13 $
//
//Organisation:
//      University of Technology
// 
//Author:
//      Pasi Nummisalo
//
//Description:
//      Handling of the incoming call from the O-BCSM and release actions for
//      the active call.
//
//Copyright:
//      Copyright 1999 Helsinki University of Technology
//      ALL RIGHTS RESERVED BETWEEN JANUARY 1996 AND JUNE 1999. 
//      
//Licence:
//     
//
//History:
//

#ifndef __CC_T_STATE_NULL_H__
#define __CC_T_STATE_NULL_H__

#include "cctstate.h"

class ccTstateNull : public ccTstate
{
    public:
        static ccTstateNull *instance(void);

        void proceed(ccProtocol *protocol_);
        
        virtual void ccSETUPpduAct(ccSETUPpdu *messenger_,
                                    ccProtocol *protocol_);

        virtual void sigRELEASEconfAct(sigRELEASEconf *messenger_,
                                       pfProtocol *protocol_);

        virtual void ccRELEASE_ACTIVEpduAct(ccRELEASE_ACTIVEpdu *messenger_,
                                            ccProtocol *protocol_);

    protected:
        ccTstateNull(void);
        virtual ~ccTstateNull(void);
        
    private:
        static ccTstateNull *_only;
}; 

#endif // __CC_T_STATE_NULL_H__