// Modbus# Server 0.03 
//
// Implements Modbus-RTU Master using .NET TCP remoting
//
// Victor Rocha, nov 02 2005

using System;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Tcp;

namespace ModbusSharp {

	class ModbusSharpServer{
		static void Main(string [] args) {
			
			Console.WriteLine ("Modbus# 0.03");
	
			// parse command-line arguments
			// TODO: check for TCP port availability; open next available port if command-line flag ok
			
			int tcpport;
			
			try
			{
				tcpport = Int32.Parse(args[0]);
			}
			catch
			{
				Console.WriteLine ("Could not parse arguments; defaulting to port 9999\n");
				tcpport = 9999;
			}
			
			// TODO: load extra config from XML file
			
			int comport = 0;
			int baudrate = 9600;
	
			// create TCP channel for data exchange
			TcpChannel channel = new TcpChannel(tcpport);
			ChannelServices.RegisterChannel(channel);
	
			// create instance of InstrumentBus
			InstrumentBus bus = new InstrumentBus(comport, baudrate);
			
			// init COM ports;
			bus.Init();
			
			// register object with remoting infrastructure
			RemotingServices.Marshal(bus, "ModbusSharp");
			
			// print out "status" and keep waiting
	
			Console.WriteLine("Instrument published as remote interface on TCP Port {0}\n", tcpport);
			Console.WriteLine("Press any key to stop.\n");
			Console.ReadLine();
			
			// disconnect remoting services
			RemotingServices.Disconnect(bus);
			ChannelServices.UnregisterChannel(channel);
		}
	}	
}