using System;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Http;
using System.Runtime.Remoting.Lifetime;
using RemotingInterfaces;
namespace RemotingServer {
   // Implementation of server objects.
   public class Adder : MarshalByRefObject, IAdder {
      public override object InitializeLifetimeService() {
         ILease lease = (ILease) base.InitializeLifetimeService();
         if (lease.CurrentState == LeaseState.Initial) {
            lease.InitialLeaseTime   = TimeSpan.FromSeconds(50);
            lease.RenewOnCallTime    = TimeSpan.FromSeconds(20);
            lease.SponsorshipTimeout = TimeSpan.FromSeconds(20);
         }
         return lease;
      }
      public Adder() {
         Console.WriteLine("Adder ctor");
      }
      public double Add( double d1, double d2 ) {
         Console.WriteLine("Adder Add( {0} + {1} )", d1, d2);
         return d1 + d2;
      }
   }
   // Implementation of the host.
   class Program {
      static void Main() {
         HttpChannel channel = new HttpChannel( 65100 );
         ChannelServices.RegisterChannel( channel, false );
         RemotingConfiguration.RegisterWellKnownServiceType(
            typeof(Adder),
            "AddService",
            WellKnownObjectMode.SingleCall);
         Console.WriteLine( "Press a key to stop the server..." );
         Console.Read();
      }
   }
}