pkg/transport/keepalive_listener.go
func (l *tlsKeepaliveListener) Accept() (c net.Conn, err error) {
	c, err = l.Listener.Accept()
	if err != nil {
		return
	}
	kac := c.(keepAliveConn)
	// detection time: tcp_keepalive_time + tcp_keepalive_probes + tcp_keepalive_intvl
	// default on linux:  30 + 8 * 30
	// default on osx:    30 + 8 * 75
	kac.SetKeepAlive(true)
	kac.SetKeepAlivePeriod(30 * time.Second)
	c = tls.Server(c, l.config)
	return c, nil
}
func (l *tlsKeepaliveListener) Accept() (c net.Conn, err error) {
	c, err = l.Listener.Accept()
	if err != nil {
		return
	}
	kac := c.(keepAliveConn)
	// detection time: tcp_keepalive_time + tcp_keepalive_probes + tcp_keepalive_intvl
	// default on linux:  30 + 8 * 30
	// default on osx:    30 + 8 * 75
	kac.SetKeepAlive(true)
	kac.SetKeepAlivePeriod(30 * time.Second)
	c = tls.Server(c, l.config)
	return c, nil
}
func ( l * tlsKeepaliveListener ) Accept ( ) ( c net . Conn , err error ) { c , err = l . Listener . Accept ( ) if err != nil { return } kac := c . ( keepAliveConn ) // detection time: tcp_keepalive_time + tcp_keepalive_probes + tcp_keepalive_intvl // default on linux:  30 + 8 * 30 // default on osx:    30 + 8 * 75 kac . SetKeepAlive ( true ) kac . SetKeepAlivePeriod ( 30 * time . Second ) c = tls . Server ( c , l . config ) return c , nil }
// Accept waits for and returns the next incoming TLS connection.
// The returned connection c is a *tls.Conn.
Accept waits for and returns the next incoming TLS connection . The returned connection c is a * tls . Conn .