MBTCPMaster.h

/*
 * Copyright (c) 2015 Pavel Vainerman.
 *
 * This program 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, version 2.1.
 *
 * This program 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 Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
// -----------------------------------------------------------------------------
#ifndef _MBTCPMaster_H_
#define _MBTCPMaster_H_
// -----------------------------------------------------------------------------
#include <ostream>
#include <string>
#include <map>
#include <vector>
#include <memory>
#include "MBExchange.h"
#include "modbus/ModbusTCPMaster.h"
// -------------------------------------------------------------------------
namespace uniset
{
    // -----------------------------------------------------------------------------
    // -----------------------------------------------------------------------------
    class MBTCPMaster:
        public MBExchange
    {
        public:
            MBTCPMaster( uniset::ObjectId objId, uniset::ObjectId shmID, const std::shared_ptr<SharedMemory>& ic = nullptr,
                         const std::string& prefix = "mbtcp" );
            virtual ~MBTCPMaster();

            static std::shared_ptr<MBTCPMaster> init_mbmaster( int argc, const char* const* argv,
                    uniset::ObjectId shmID, const std::shared_ptr<SharedMemory>& ic = nullptr,
                    const std::string& prefix = "mbtcp" );

            static void help_print( int argc, const char* const* argv );

            virtual uniset::SimpleInfo* getInfo( const char* userparam = 0 ) override;

        protected:
            virtual void sysCommand( const uniset::SystemMessage* sm ) override;
            virtual std::shared_ptr<ModbusClient> initMB( bool reopen = false ) override;
            virtual bool deactivateObject() override;
            virtual bool reconfigure( const std::shared_ptr<uniset::UniXML>& xml, const std::shared_ptr<uniset::MBConfig>& mbconf ) override;

            std::string iaddr;
            int port;

            void poll_thread();
            void final_thread();
            bool force_disconnect;

        private:
            MBTCPMaster();

            std::shared_ptr<ModbusTCPMaster> mbtcp;

            // т.к. TCP может "зависнуть" на подключении к недоступному узлу
            // делаем опрос в отдельном потоке
            std::unique_ptr<ThreadCreator<MBTCPMaster>> pollThread; 
    };
    // --------------------------------------------------------------------------
} // end of namespace uniset
// -----------------------------------------------------------------------------
#endif // _MBTCPMaster_H_
// -----------------------------------------------------------------------------