Subscriber.h

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/*****************************************************************************
 * vim:tw=78
 * $Id: Subscriber.h,v 482b38b2b140 2020/04/06 15:29:14 lerichi $
 *
 * Copyright (C) 2016       Richard Hacker (lerichi at gmx dot net)
 *
 * This file is part of the PdCom library.
 *
 * The PdCom library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * The PdCom library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the PdCom library. If not, see <http://www.gnu.org/licenses/>.
 *
 *****************************************************************************/

#ifndef PDCOM_SUBSCRIBER_H
#define PDCOM_SUBSCRIBER_H

#include "Variable.h"

#include <stddef.h>
#include <string>
#include <stdint.h>

namespace PdCom {

    struct Subscriber {
        virtual ~Subscriber();

        virtual void newGroupValue(uint64_t time_ns) = 0;

        virtual void newValue(
                const Variable::Subscription* subscription) = 0;

        virtual void active(const std::string& path,
                const Variable::Subscription* subscription) = 0;

        virtual void invalid(
                PdCom::Process* process, const std::string& path, int id);

        // Obsolete, use invalid() above
        virtual void invalid(const std::string& path, int id);
    };
}       // namespace

#endif // PDCOM_SUBSCRIBER_H