using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Contract;
using System.ServiceModel;
using System.ServiceModel.Description;

namespace MyServices
{
    [ServiceContract]
    interface ICalcContract
    {
        [OperationContract]
        int Add(int a, int b);
    }

    class CalcService : ICalcContract
    {
        #region CalcContract 成员

        public int Add(int a, int b)
        {
            return a + b;
        }

        #endregion
    }

    class CalcHostServices 
    {
        static void Main(string[] args)
        {

            Uri tcpBaseAddress = new Uri("net.tcp://localhost:8056/CalcService");

            using (ServiceHost calculatorSerivceHost = new ServiceHost(typeof(CalcService), tcpBaseAddress))
            {
                NetTcpBinding tcpBinding = new NetTcpBinding();
                calculatorSerivceHost.AddServiceEndpoint(typeof(ICalcContract), tcpBinding, string.Empty);                

                calculatorSerivceHost.Opened += delegate
                {
                    Console.WriteLine("Calculator Service has begun to listen ... ...");
                };

                calculatorSerivceHost.Open();

                Console.Read();

            }

        }
    }
}

  int port = 8056;
  string host = "127.0.0.1";
  IPAddress ip = IPAddress.Parse(host);
  IPEndPoint ipe = new IPEndPoint(ip, port);//把ip和端口转化为IPEndPoint实例
  
  Socket c = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);//创建一个Socket
  Console.WriteLine("Conneting...");
  c.Connect(ipe);//连接到服务器

  string sendStr = "hello!This is a socket test";
  byte[] bs = Encoding.ASCII.GetBytes(sendStr);
  Console.WriteLine("Send Message");
  c.Send(bs, bs.Length, 0);//发送测试信息

  string recvStr = "";
  byte[] recvBytes = new byte[1024];
  int bytes;
  bytes = c.Receive(recvBytes, recvBytes.Length, 0);//从服务器端接受返回信息
  recvStr += Encoding.ASCII.GetString(recvBytes, 0, bytes);
  Console.WriteLine("Client Get Message:{0}", recvStr);//显示服务器返回信息
  c.Close();