func (udp *Udp) listen(conn *net.UDPConn) {
log.Info("Begin listening for UDP on address %s", conn.LocalAddr())
buffer := make([]byte, c_BUFSIZE)
for {
num, _, err := conn.ReadFromUDP(buffer)
if err != nil {
if udp.stop {
log.Info("Stopped listening for UDP on %s", conn.LocalAddr)
break
} else {
log.Severe("Failed to read from UDP buffer: " + err.Error())
continue
}
}
pkt := append([]byte(nil), buffer[:num]...)
go func() {
msg, err := parser.ParseMessage(pkt)
if err != nil {
log.Warn("Failed to parse SIP message: %s", err.Error())
} else {
udp.output <- msg
}
}()
}
}
func message(rawMsg []string) (base.SipMessage, error) {
return parser.ParseMessage([]byte(strings.Join(rawMsg, "\r\n")))
}