//#
//# Corba Time Server
//# $Revision: 1.1 $
//# Copyright 2004 by Eric Y. Theriault
//# All Rights Reserved.
//# http://www.eyt.ca/CORBA
//#
using System;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Services;
using System.Runtime.Remoting.Channels;
using Ch.Elca.Iiop;
using Ch.Elca.Iiop.Services;

namespace ca.eyt.corba
{
	/// <summary>
	/// Implements a CORBA server to provide the local time.
	/// </summary>
	public class TimeServer
	{
		/// <summary>
		/// Server Port
		/// </summary>
		const int ServerPort = 7832;

		/// <summary>
		/// Main.
		/// </summary>
		[System.STAThread]
		public static void Main( string[] args )
		{
			try {
				String iorFile = "time.ior";

				// Create and Initialize the ORB
				CorbaInit orb = CorbaInit.GetInit();

				// Register server channel
				IiopChannel channel = new IiopChannel( ServerPort );
				ChannelServices.RegisterChannel( channel );

				// Create the time Servant and register it.
				ca.eyt.corba.TimeImpl timeImpl = new ca.eyt.corba.TimeImpl();

				// Create the object reference.
				string objectURI = "Time";
				ObjRef objrefWellKnown = RemotingServices.Marshal( timeImpl, objectURI );

				// Acquire the IOR for the object reference.
				//TODO: There is probably a nicer way to do this.
				omg.org.CORBA.OrbServices srv = omg.org.CORBA.OrbServices.GetSingleton();
				String[] url = channel.GetUrlsForUri( objrefWellKnown.URI );
				if ( url.Length != 1 ) {
					throw new Exception( "Unexpected input: " + url.Length );
				}
				String ior = srv.object_to_string( srv.string_to_object( url[0] ) );

				// Write out the file
				try {
					using ( System.IO.StreamWriter writer = new System.IO.StreamWriter( iorFile ) ) {
						writer.WriteLine( ior );
					}
				} catch ( Exception e ) {
					System.Console.Error.WriteLine( iorFile + " raised an exception: " + e.Message );
					System.Environment.Exit( 1 );
				}

				// Server is now up and running
				System.Console.Out.WriteLine( "TimeServer is ready and waiting..." );
				while ( true )  {
					//TODO: Probably not the best solution.
					System.Threading.Thread.Sleep( 10000 );
				}
			}  catch ( System.Exception e ) {
				System.Console.WriteLine( "Exception: " + e.Message );
				System.Console.WriteLine( e.StackTrace.ToString() );
				System.Environment.Exit( 1 );
			}
		}
	}
}