repeaterSubscribeTimer.h

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/*************************************************************************\
* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
*     National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
*     Operator of Los Alamos National Laboratory.
* EPICS BASE is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/

/*
 *
 *
 *                    L O S  A L A M O S
 *              Los Alamos National Laboratory
 *               Los Alamos, New Mexico 87545
 *
 *  Copyright, 1986, The Regents of the University of California.
 *
 *
 *  Author Jeffrey O. Hill
 *  johill@lanl.gov
 *  505 665 1831
 */

#ifndef INC_repeaterSubscribeTimer_H
#define INC_repeaterSubscribeTimer_H

#include "epicsTimer.h"

#include "libCaAPI.h"

class epicsMutex;
class cacContextNotify;

class repeaterTimerNotify {
public:
    virtual ~repeaterTimerNotify () = 0;
    virtual void repeaterRegistrationMessage (
        unsigned attemptNumber ) = 0;
    virtual int printFormated (
        epicsGuard < epicsMutex > & callbackControl,
        const char * pformat, ... ) = 0;
};

class repeaterSubscribeTimer : private epicsTimerNotify {
public:
    repeaterSubscribeTimer (
        repeaterTimerNotify &, epicsTimerQueue &,
        epicsMutex & cbMutex, cacContextNotify & ctxNotify );
    virtual ~repeaterSubscribeTimer ();
    void start ();
    void shutdown (
        epicsGuard < epicsMutex > & cbGuard,
        epicsGuard < epicsMutex > & guard );
    void confirmNotify ();
    void show ( unsigned level ) const;
private:
    epicsTimer & timer;
    repeaterTimerNotify & iiu;
    epicsMutex & cbMutex;
    cacContextNotify & ctxNotify;
    mutable epicsMutex stateMutex;
    unsigned attempts;
    bool registered;
    bool once;
    expireStatus expire ( const epicsTime & currentTime );
    repeaterSubscribeTimer ( const repeaterSubscribeTimer & );
    repeaterSubscribeTimer & operator = ( const repeaterSubscribeTimer & );
};

#endif // ifdef INC_repeaterSubscribeTimer_H