_input_port->parser()->mmc.connect_same_thread (port_connections, boost::bind (&MachineControl::process_mmc_message, this, _1, _2, _3));
_input_port->parser()->start.connect_same_thread (port_connections, boost::bind (&MachineControl::spp_start, this));
_input_port->parser()->mmc.connect_same_thread (port_connections, boost::bind (&MachineControl::process_mmc_message, this, _1, _2, _3));
_input_port->parser()->start.connect_same_thread (port_connections, boost::bind (&MachineControl::spp_start, this));