import java.rmi.Naming;
import java.rmi.RemoteException;
import java.rmi.server.UnicastRemoteObject;

public class ServerImpl extends UnicastRemoteObject implements Server
{
	private Client client1 = null;
	private Client client2 = null;
	
	public ServerImpl () throws RemoteException
	{
		super (4326);
	}
	
	public int connect (Client client) throws RemoteException
	{
		if (client1 == null)
		{
			client1 = client;
			return 1;
		}
		
		if (client2 == null)
		{
			client2 = client;
			return 2;
		}
		
		return 0;
	}
	
	public void option1 (int id) throws RemoteException
	{
		if (id == 1)
			client2.option1_from_server();
		else if (id == 2)
			client1.option1_from_server();
	}
	
	public String option2 (int id) throws RemoteException
	{
		if (id == 1)
			return client2.option2_from_server();
		else if (id == 2)
			return client1.option2_from_server();
		
		return "Unknown client";
	}
	
	public static void main (String[] args)
	{
		try
		{
			ServerImpl server = new ServerImpl ();
			Naming.rebind ("//localhost:4236/Server", server);
		} 
		catch (Exception e)
		{
			e.printStackTrace();
		}
	}
}