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tcp_server.go
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/
tcp_server.go
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package util
import (
"log"
"net"
"runtime"
"strings"
)
type TcpHandler interface {
Handle(net.Conn)
}
func TcpServer(listener net.Listener, handler TcpHandler) {
log.Printf("TCP: listening on %s", listener.Addr().String())
for {
clientConn, err := listener.Accept()
if err != nil {
if nerr, ok := err.(net.Error); ok && nerr.Temporary() {
log.Printf("NOTICE: temporary Accept() failure - %s", err.Error())
runtime.Gosched()
continue
}
// theres no direct way to detect this error because it is not exposed
if !strings.Contains(err.Error(), "use of closed network connection") {
log.Printf("ERROR: listener.Accept() - %s", err.Error())
}
break
}
go handler.Handle(clientConn)
}
log.Printf("TCP: closing %s", listener.Addr().String())
}