Beispiel #1
0
// parsePacket is used to parse an incoming packet
func (s *server) parsePacket(packet []byte, from net.Addr) error {
	var msg dns.Msg
	if err := msg.Unpack(packet); err != nil {
		log.Printf("[ERR] bonjour: Failed to unpack packet: %v", err)
		return err
	}
	return s.handleQuery(&msg, from)
}
Beispiel #2
0
// Data receiving routine reads from connection, unpacks packets into dns.Msg
// structures and sends them to a given msgCh channel
func (c *client) recv(l *net.UDPConn, msgCh chan *dns.Msg) {
	if l == nil {
		return
	}
	buf := make([]byte, 65536)
	for !c.closed {
		n, _, err := l.ReadFrom(buf)
		if err != nil {
			continue
		}
		msg := new(dns.Msg)
		if err := msg.Unpack(buf[:n]); err != nil {
			log.Printf("[ERR] mdns: Failed to unpack packet: %v", err)
			continue
		}
		select {
		case msgCh <- msg:
		case <-c.closedCh:
			return
		}
	}
}