如何在Golang网络包中关闭TCP连接？

 one：= [] byte {} 
 c.SetReadDeadline（time.Now（））
 if _，err ：= c.Read（one）; err == io.EOF {
 l.Printf（logger.LevelDebug，％s detected closed LAN connection，id）
 c.Close（）
c = nil 
} else {
 var 0 time.Time 
 c.SetReadDeadline（time.Now（）.Add（10 * time.Millisecond））
} 
 

为了检测超时，它建议：

 如果neterr，ok：= err。（net.Error）;好的&& neterr.Timeout（）{
 ... 
  

I'm new to Golang.

I'm implementing a small TCP server, and how do I know if one of my clients closed? Should I just try to read or write and check if err is nil?

net.Conncutils/ping.golocale-backend/server.go

one := []byte{}
c.SetReadDeadline(time.Now())
if _, err := c.Read(one); err == io.EOF {
  l.Printf(logger.LevelDebug, "%s detected closed LAN connection", id)
  c.Close()
  c = nil
} else {
  var zero time.Time
  c.SetReadDeadline(time.Now().Add(10 * time.Millisecond))
}

For detecting a timeout, it suggests:

if neterr, ok := err.(net.Error); ok && neterr.Timeout() {
  ...

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