c#Socket通信服务端程序

private void btn_Server_Listen(object sender, RoutedEventArgs e)
{
try
{
//当点击开始监听的时候 在服务器端创建一个负责监听IP地址和端口号的Socket
m_socketServerWatch = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//分析ip地址
IPAddress ip = IPAddress.Parse(“172.16.0.7”);
//创建端口号
IPEndPoint point = new IPEndPoint(ip, Convert.ToInt32(“8001”));
//绑定IP地址和端口号
m_socketServerWatch.Bind(point);

            //设置最大可以同时连接多少个请求
            m_socketServerWatch.Listen(20);

            //开始监听:创建线程                
            Thread AcceptSocketThread = new Thread(new ParameterizedThreadStart(ServerStartListenThread));
            AcceptSocketThread.IsBackground = true;
            AcceptSocketThread.Start(m_socketServerWatch);
            Exception.Text = "服务器启动监听成功";
        }
        catch (Exception ex)
        {
            Logtest("btn_Server_Listen->172.16.0.7" + ex.Message);
            Exception.Text = "软件异常，请及时将日志发给开发人员处理";
            return;
        }
    }

///
/// 服务器等待客户端的连接，并且创建与之通信用的Socket
///
///
private void ServerStartListenThread(object obj)
{
Socket socketWatch = obj as Socket;
while (true)
{
Socket ServersendSocket;
//等待客户端的连接，并且创建一个用于通信的Socket
ServersendSocket = socketWatch.Accept();
//获取远程主机的ip地址和端口号
string strIp = ServersendSocket.RemoteEndPoint.ToString();
//m_ClientIPAndUserS.Add(strIp, “user”); 没有登陆成功暂不保存客户端相关信息

            string strMsg = "客户端：" + ServersendSocket.RemoteEndPoint + "连接成功";
            DeleteLogTxt();  //客户端新增连接后检查日志文件大小，超过32M删除
            Logtest(strMsg);
            Exception.Dispatcher.Invoke(DisplayCallBack, strMsg);

            //定义接收客户端消息的线程
            Thread threadReceive = new Thread(new ParameterizedThreadStart(ServerReceiveThread));
            threadReceive.IsBackground = true;
            threadReceive.Start(ServersendSocket);
        }
    }

///
/// 服务器端不停的接收客户端发送的消息
///
///
private void ServerReceiveThread(object obj)
{
Socket socketSend = obj as Socket;
string strClientIp = “”;

        try
        {
            //提取客户端IP
            string strIpAndPoint = socketSend.RemoteEndPoint.ToString();
            string[] sIpAndPointArray = Regex.Split(strIpAndPoint, ":", RegexOptions.IgnoreCase);
            if (2 != sIpAndPointArray.Length)
            {
                System.Windows.Forms.MessageBox.Show("ServerReceiveThread->Split strIpAndPoint Fail");
                Logtest("ServerReceiveThread->Split strIpAndPoint Fail");
                return;
            }
            strClientIp = sIpAndPointArray[0];
            socketSend.ReceiveTimeout = 65000; //客户端的超时退出登陆的时间为3*20=60
            //Logtest("strClientIp:" + strClientIp);
            while (true)
            {
                int count = 0;
                byte[] buffer = new byte[2048];
                try
                {
                    count = socketSend.Receive(buffer);    //count为实际接收到的有效字节数
                }
                catch (Exception ex)
                {
                    if (!m_ClientIPAndUserEnableS.Remove(strClientIp))
                    {
                        Logtest("ServerReceiveThread->m_ClientIPAndUserS.Remove Fail");
                    }
                    socketSend.Close();
                    socketSend = null;
                    Logtest("ServerReceiveThread->Receive throw exciption: " + ex.Message);
                    Logtest(strClientIp + "ReceiveThread检查其已失去心跳,故将其移除出集合");
                    return;
                }
                if (count == 0)//count 表示客户端关闭连接，要退出循环
                {
                    if (!m_ClientIPAndUserEnableS.Remove(strClientIp))
                    {
                        Logtest("ServerReceiveThread->m_ClientIPAndUserS.Remove Fail");
                    }
                    socketSend.Close();
                    socketSend = null;
                    Logtest(strClientIp + "Receive检查其主动断开连接,已将其移除出集合");
                    Exception.Dispatcher.Invoke(DisplayCallBack,strClientIp + "客户端已断开连接");
                    return;
                }
                string strReceiveMsg = Encoding.Default.GetString(buffer, 0, count);
                string strValue = "接收：" + socketSend.RemoteEndPoint + strReceiveMsg;
                Logtest(strValue);

                string[] sArray = Regex.Split(strReceiveMsg, ":", RegexOptions.IgnoreCase);
                if (3 != sArray.Length)
                {
                    ServerSendToOneClient("FormError", socketSend);
                    Logtest("Client Send Msg FormError.");
                    continue;
                }                                    
            }///while循环到这结束
        }
        catch (Exception ex)
        {
            Logtest("ServerReceiveThread->" + ex.Message);
            if (!m_ClientIPAndUserEnableS.Remove(strClientIp))
            {
                Logtest("ServerReceiveThread->m_ClientIPAndUserS.Remove Fail");
            }
            socketSend.Close();
            socketSend = null;
            Logtest(strClientIp + "连接异常,已将其移除出集合");
            Exception.Dispatcher.Invoke(DisplayCallBack, "客户端连接异常");
            return;
        }
    }