ex-19-07

Programming Csharp Source Code(代码) Programming Csharp Source Code

// Example 19-07: Replacement of Main() from Example 19-4 (the client)

public static void Main()
{

   int[] myIntArray = new int[3];

   Console.WriteLine("Watson, come here I need you...");

   // create an Http channel and register it
   // uses port 0 to indicate you won't be listening
   HttpChannel chan = new HttpChannel(0);
   ChannelServices.RegisterChannel(chan);

   FileStream fileStream = 
      new FileStream ("calculatorSoap.txt", FileMode.Open);
   SoapFormatter soapFormatter = 
      new SoapFormatter ();        

   try
   {
      ObjRef objRef = 
         (ObjRef) soapFormatter.Deserialize (fileStream);
      ICalc calc = 
         (ICalc) RemotingServices.Unmarshal(objRef);

      // use the interface to call methods
      double sum = calc.Add(3.0,4.0);
      double difference = calc.Sub(3,4);
      double product = calc.Mult(3,4);
      double quotient = calc.Div(3,4);

      // print the results 
      Console.WriteLine("3+4 = {0}", sum);
      Console.WriteLine("3-4 = {0}", difference);
      Console.WriteLine("3*4 = {0}", product);
      Console.WriteLine("3/4 = {0}", quotient);
   }
   catch( System.Exception ex )
   {
      Console.WriteLine("Exception caught: ");
      Console.WriteLine(ex.Message);
   }