socket开发,多终端,小数据量,应该采用什么方式好些.
private   void   button1_Click   (   object   sender   ,   System.EventArgs   e   )  
{  
ListBox1.Items   .Add   (   "服务已经启动！ "   )   ;  
_thread1   =   new   Thread   (   new   ThreadStart   (   Listen   )   )   ;  
_thread1.Start   (   )   ;  
}


private   void   Listen   (   )  
{

//创建一个tcpListener对象，此对象主要是对给定端口进行侦听  
tcpListener   =   new   TcpListener(iPort);  
//开始侦听  
tcpListener.Start();  

//返回可以用以处理连接的Socket实例  
socketForClient   =   tcpListener.AcceptSocket   (   )   ;  

//如果返回值是 "true "，则产生的套节字已经接受来自远方的连接请求  
if   (   socketForClient.Connected   )  
{  
ListBox1.Items.Add   (   "已经和客户端成功连接！ "   )   ;  

bool   isOKa   =   true;


while   (   true   )  
{

try
{

//创建networkStream对象通过网络套节字来接受和发送数据  
networkStream   =   new   NetworkStream   (   socketForClient   )   ;  
            //从当前数据流中读取一行字符，返回值是字符串  
          streamReader   =   new   StreamReader   (networkStream,Encoding.ASCII)   ;  
          byte[]   byteMessage=new   byte[1024];  
          string   msg   = " ";
          int   bytes;
          bytes   =   socketForClient.Receive(byteMessage,byteMessage.Length,0);
          msg   +=   Encoding.ASCII.GetString(byteMessage,   0,   bytes);

          ListBox1.Items.Add   (   "收到客户端信息： "   +   msg   +   ": ")   ;  
          log( "收到客户端信息： "   +   msg);
          streamWriter   =   new   StreamWriter   (   networkStream,Encoding.ASCII   )   ;  

int   iMsgLen   =   msg.Length;


          SI.SocketInterfaceLogic.General   myG   =   new   SI.SocketInterfaceLogic.General();
string   Cur_time   =   myG.SIdatetime(System.DateTime.Now);
string   strHead   =   msg.Substring(0,10).Trim();
SI.SocketInterfaceLogic.Head   myHead   =   new   SI.SocketInterfaceLogic.Head(strHead);
int   bodyLen   =   myG.SIintToint(myHead.command_length)-10;
string   strBody   =   msg.Substring(10,bodyLen);
switch(myHead.func_no.Trim())
{
//公话认证,下发1  
case   "10 ":

//往当前的数据流中写入一行字符串  
streamWriter.WriteLine( "001110 "+myHead.seq_no+ "1 ",Encoding.ASCII);
this.ListBox1.Items.Add( "001110 "+myHead.seq_no+ "1 ");
//刷新当前数据流中的数据
streamWriter.Flush(   );
break;

//ST