Merge pull request #122 from discos/ModbusChannel_refactoring

#ifndef MODBUSCHANNEL_HPP

#define MODBUSCHANNEL_HPP

#include <acsThread.h>

#include <IRA>

#include <modbus/modbus.h>

#include <sys/time.h>

#include <string>

#include <cerrno>

#include <stdexcept>

#include <boost/shared_ptr.hpp>

#include <boost/thread.hpp>

#define MODBUS_DEFAULT_PORT MODBUS_TCP_DEFAULT_PORT

#define MODBUS_TIMEOUT 2

        T get(int address); //throw ModbusError

    private:

        /* class members */

        boost::mutex _connection_guard;

        BACIMutex  _connection_guard;

        std::string _server_ip;

        int _server_port;

        bool _is_connected;

#

# <brief description of lllll library>

ModbusChannel_OBJECTS   = ModbusChannel

ModbusChannel_LIBS      = modbus boost_thread

ModbusChannel_LIBS      = modbus acsnc

#

# Scripts (public and local)

void

ModbusChannel::connect()

{

    boost::mutex::scoped_lock lock(_connection_guard);

    baci::ThreadSyncGuard lock(&_connection_guard);

    int rc;

    if(!(this->_is_connected))

    {

void

ModbusChannel::disconnect()

{

    boost::mutex::scoped_lock lock(_connection_guard);

    baci::ThreadSyncGuard lock(&_connection_guard);

    if(this->_is_connected){

        modbus_close(this->_modbus_context);

        this->_is_connected = false;