// Close will close the connection, freeing the port
func (s *UDPServer) Close() error {
e := s.Stop()
if !err.Check(e) {
return e
}
if e = s.conn.Close(); err.Check(e) {
s.conn = nil
}
return e
}
// RunNew is a wrapper around new that also calls Run in a Go routine if the
// server was created without error
func RunNew(port string, packetHandler PacketHandler) (*UDPServer, error) {
s, e := New(port, packetHandler)
if err.Check(e) {
go s.Run()
}
return s, e
}
// New creates a UDPserver
// passing in ":0" for port will select any open port
func New(port string, packetHandler PacketHandler) (*UDPServer, error) {
laddr, e := net.ResolveUDPAddr("udp", port)
if !err.Check(e) {
return nil, e
}
conn, e := net.ListenUDP("udp", laddr)
if !err.Check(e) {
return nil, e
}
server := &UDPServer{
conn: conn,
packetHandler: packetHandler,
localIP: getLocalIP(),
stop: false,
running: false,
}
return server, nil
}