//Editor-Info: -*- C++ -*-
//
//Subject: TOVE project / UNI
//
//File: unistate_u0.h
//
//Version: $Revision: 1.7 $
//
//State: $State: Exp $
//
//Date: $Date: 1998/12/08 14:53:49 $
//
//Organisation:
//      Helsinki University of Technology
//      Laboratory of Telecommunications Software and Multimedia
//
//Author:
//      Jari Katajavuori
//      Sami Raatikainen (based on version 1.5)
//
//Description:
//
//
//Copyright:
//      Copyright 1999 Helsinki University of Technology
//      ALL RIGHTS RESERVED BETWEEN JANUARY 1996 AND JUNE 1999.
//
//Licence:
//
//
//History: 

#ifndef __UNI_UNISTATE_U0_H__
#define __UNI_UNISTATE_U0_H__

#include "unistate.h"
#include "protocol/sig/sigstate_null.h"
#include "pf/exception.h"

class uniUserNull : public uniState, public sigNull
{
    public:
        static uniUserNull *instance(void);

        // Methods to reset following inputs
        virtual void sigRELEASEreqAct(
            sigRELEASEreq *primitive_,
            pfProtocol *protocol_);
        virtual void sigPROCEEDINGindAct(
            sigPROCEEDINGind *primitive_,
            pfProtocol *protocol_);
        virtual void sigSETUPconfAct(
            sigSETUPconf *primitive_,
            pfProtocol *protocol_);
        virtual void sigSETUP_COMPLETEindAct(
            sigSETUP_COMPLETEind *primitive_,
            pfProtocol *protocol_);
        virtual void sigRELEASEindAct(
            sigRELEASEind *primitive_,
            pfProtocol *protocol_);
        virtual void sigRELEASEconfAct(
            sigRELEASEconf *primitive_,
            pfProtocol *protocol_);
        
        virtual void uniSTATUSpduAct(
            uniSTATUSpdu *message_,
            pfProtocol *protocol_);
        virtual void uniADD_PARTYpduAct(
            uniADD_PARTYpdu *message_,
            pfProtocol *protocol_);
        virtual void uniADD_PARTY_ACKpduAct(
            uniADD_PARTY_ACKpdu *message_,
            pfProtocol *protocol_);
        virtual void uniADD_PARTY_REJECTpduAct(
            uniADD_PARTY_REJECTpdu *message_,
            pfProtocol *protocol_);
        virtual void uniDROP_PARTYpduAct(
            uniDROP_PARTYpdu *message_,
            pfProtocol *protocol_);
        virtual void uniDROP_PARTY_ACKpduAct(
            uniDROP_PARTY_ACKpdu *message_,
            pfProtocol *protocol_);        

        virtual void uniT322timeoutAct(pfProtocol *protocol_);
        virtual void uniTREMOVEDtimeoutAct(pfProtocol *protocol_);

    protected:
        uniUserNull(void);
        virtual ~uniUserNull(void);

    private:
        static uniUserNull *_only;
};

#endif // __UNI_UNISTATE_U0_H__