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public
static class TcpClientEx { public
static bool IsOnline(this
TcpClient c) { return
!((c.Client.Poll(1000, SelectMode.SelectRead) && (c.Client.Available == 0)) || !c.Client.Connected); } } |
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var conn=state as
TcpClient;while(conn.IsOnline()){//当网络连接未中断时循环 using
(var
s = conn.GetStream()){ var
buff=new
byte[512]; if(s.DataAvailable){ //判断有数据再读，否则Read会阻塞线程。后面的业务逻辑无法处理 var
len = s.Read(buff,0,buff.Length); } //略... }} |
原文：http://www.cnblogs.com/Lexy/p/3556924.html