ex-19-03

Programming Csharp Source Code(代码) Programming Csharp Source Code

// Example 19-03: The Calculator server 

using System;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Http;

namespace Programming_CSharp
{
   // implement the calculator class
   public class Calculator : MarshalByRefObject, ICalc
   {
      public Calculator()
      {
         Console.WriteLine("Calculator constructor");
      }

      // implement the four functions
      public double Add(double x, double y)
      {
         Console.WriteLine("Add {0} + {1}", x, y);
         return x+y;
      }
      public double Sub(double x, double y)
      {
         Console.WriteLine("Sub {0} - {1}", x, y);
         return x-y;
      }
      public double Mult(double x, double y)
      {
         Console.WriteLine("Mult {0} * {1}", x, y);
         return x*y;
      }
      public double Div(double x, double y)
      {
         Console.WriteLine("Div {0} / {1}", x, y);
         return x/y;
      }
   }

   public class ServerTest
   {
      public static void Main()
      {
         // create a channel and register it
         HttpChannel chan = new HttpChannel(65100);
         ChannelServices.RegisterChannel(chan);

         Type calcType = 
            Type.GetType("Programming_CSharp.Calculator");

         // register our well-known type and tell the server
         // to connect the type to the endpoint "theEndPoint"
         RemotingConfiguration.RegisterWellKnownServiceType
            ( calcType,               
              "theEndPoint",
               WellKnownObjectMode.Singleton );

         //  "They also serve who only stand and wait."); (Milton)
         Console.WriteLine("Press [enter] to exit...");
         Console.ReadLine();
      }
   }
}