func (s *UdpServer) Listen() {
log.Println("Creating UDP server with address", s.address)
addr, err := net.ResolveUDPAddr("udp", s.address)
if err != nil {
log.Fatal("Cannot resolve UDP address:", err)
}
ln, err := net.ListenUDP("udp", addr)
if err != nil {
log.Fatal("Cannot start UDP server:", err)
}
defer ln.Close()
for {
buffer := make([]byte, 2048) // TODO
n, raddr, err := ln.ReadFromUDP(buffer)
if err != nil {
log.Fatal("Cannot read from remote:", err)
}
pkgBin := bytes.Trim(buffer[0:n], "\n")
pkg, err := protocol.Unserialize(pkgBin)
if err != nil {
log.Fatal("Cannot parse package:", err)
}
s.Incoming <- UdpPackage{RemoteAddress: raddr, Package: pkg}
}
}
func (d *Device) Listen() {
defer (func() {
d.conn.Close()
close(d.Incoming)
})()
scanner := bufio.NewScanner(d.conn)
for scanner.Scan() {
pkg, err := protocol.Unserialize(scanner.Bytes())
if err != nil {
log.Println("Cannot parse package:", err)
break
}
d.Incoming <- pkg
}
}