[ServiceContract(Namespace = "http://UE.ServiceModel.Samples")]
public interface ICalculator
{
    [OperationContract(IsOneWay = false)]
    double Add(double n1, double n2);
    [OperationContract(IsOneWay = false)]
    double Subtract(double n1, double n2);
    [OperationContract(IsOneWay = false)]
    double Multiply(double n1, double n2);
    [OperationContract(IsOneWay = false)]
    double Divide(double n1, double n2);
}

public class CalculatorService : ICalculator
{
    public double Add(double n1, double n2)
    {
        double result = n1 + n2;
        Console.WriteLine("Received Add({0},{1})", n1, n2);
        Console.WriteLine("Return: {0}", result);
        return result;
    }

    public double Subtract(double n1, double n2)
    {
        double result = n1 - n2;
        Console.WriteLine("Received Subtract({0},{1})", n1, n2);
        Console.WriteLine("Return: {0}", result);
        return result;
    }

    public double Multiply(double n1, double n2)
    {
        double result = n1 * n2;
        Console.WriteLine("Received Multiply({0},{1})", n1, n2);
        Console.WriteLine("Return: {0}", result);
        return result;
    }

    public double Divide(double n1, double n2)
    {
        double result = n1 / n2;
        Console.WriteLine("Received Divide({0},{1})", n1, n2);
        Console.WriteLine("Return: {0}", result);
        return result;
    }

    public static void Main()
    {
        BasicHttpBinding binding = new BasicHttpBinding();
        binding.Name = "binding1";
        binding.HostNameComparisonMode = HostNameComparisonMode.StrongWildcard;
        binding.Security.Mode = BasicHttpSecurityMode.None;
        
        Uri baseAddress = new Uri("http://localhost:8000/servicemodelsamples/service");
        Uri address = new Uri("http://localhost:8000/servicemodelsamples/service/calc");

        // Create a ServiceHost for the CalculatorService type and provide the base address.
        ServiceHost serviceHost = new ServiceHost(typeof(CalculatorService), baseAddress);
        
        serviceHost.AddServiceEndpoint(typeof(ICalculator), binding, address);

        // Open the ServiceHostBase to create listeners and start listening for messages.
        serviceHost.Open();

        // The service can now be accessed.
        Console.WriteLine("The service is ready.");
        Console.WriteLine("Press <ENTER> to terminate service.");
        Console.WriteLine();
        Console.ReadLine();
    
        // Close the ServiceHostBase to shutdown the service.
        serviceHost.Close();
        
    }
}