//Editor-Info: -*- C++ -*-
//
//Subject: TOVE project / SAAL
// 
//File: saallink.h
//
//Version: $Revision: 1.10 $
//
//State: $State: Exp $
//
//Date: $Date: 1998/11/19 12:34:46 $
//
//Organisation:
//      Helsinki University of Technology
//      Laboratory of Telecommunications Software and Multimedia
//
//Author:
//      Timo Pärnänen
//
//Description:
//      SaalLink defines a base class for logical signaling interface.
//
//Copyright:
//      Copyright 1999 Helsinki University of Technology
//      ALL RIGHTS RESERVED BETWEEN JANUARY 1996 AND JUNE 1999.
//
//Licence:
//
//
//History: 

#ifndef __SAAL_LINK_H__
#define __SAAL_LINK_H__

#include <typeinfo>
#include <string>

#include "pf/types.h"
#include "pf/conduit.h"
#include "common/mgmtiface.h"
#include "protocol/sscop/sscopprotocol.h"

class pfFrame;

//
//Class: saalLink
//
//Description:
//    See file description.
//

class saalLink
{
    public:
        virtual ~saalLink(void);

        virtual pfConduit getConduit(void) = 0;
        void setBufferSize(int bufferSize_);

        // SSCOP parameters
        void setMaxSDUsize(pfUlong SDUsize_);
        void setMaxUUsize(pfUlong UUsize_);
        void setMaxCC(pfUlong CC_);
        void setMaxPD(pfUlong PD_);
        void setCCtimeout(pfUlong msec_);
        void setKEEP_ALIVEtimeout(pfUlong msec_);
        void setNO_RESPONSEtimeout(pfUlong msec_);
        void setPOLLtimeout(pfUlong msec_);
        void setIDLEtimeout(pfUlong msec_);

        // SSCOP management primitive inputs
        void maaERRORindAct(sscopError code_, pfUlong count_);
        void maaUNITDATAindAct(const pfFrame &frame_);

    protected:
        saalLink(void);
	saalLink(const saalLink &other_);

        void openATMConnection(int port_,
                               int vpi_,
                               int vci_);
        
        void openUDPConnection(string hostname_,
                               int localPort_,
                               int remotePort_);

        virtual void setLinkNumber(pfId linkNumber_);
        virtual void connectProtocols(void);
        
    protected:
        pfId _linkNumber;
        int _bufferSize;
        commonMgmtInterface *_management;
        sscopProtocol *_sscop;

        // These proxies are there to ensure that the protocol
        // implementations won't get deleted automatically by the
        // proxy as long as this instance of saalConnection lives.
        pfConduit _sscopProxy;
        pfConduit _cpcsProxy;
};

#endif // __SAAL_LINK_H__