// HandleFE handles incoming requests of packet 0xFE: ServerListPing
func HandleFE(server *Server, sender *player.Player) {
pkt := new(packet.ServerListPing)
pkt.ReadFrom(sender.Conn)
if pkt.Magic != 1 {
s := "Invalid %#x packet. Field Magic should be 1, got %d."
reason := fmt.Sprintf(s, pkt.Id(), pkt.Magic)
resp := packet.Disconnect{reason}
resp.WriteTo(sender.Conn)
return
}
in := fmt.Sprintf("%d", server.Players.Len())
max := server.config.Get("server.max_players")
resp := ping.Ping(ping.Prepare(server.Motd, in, max))
resp.WriteTo(sender.Conn)
}
func handle(c net.Conn) {
defer c.Close()
log.Println("Got connection from:", c.RemoteAddr())
// Read first two bytes NMC sends
var buf = make([]byte, 2)
_, err := c.Read(buf)
if err != nil {
log.Printf("%s: %s\n", c.RemoteAddr(), err)
return
}
// Equal to 0xFE?
if buf[0] != packet.PacketServerListPing || buf[1] != 0x01 {
return
}
// Send response
p := ping.Ping(Flags[:])
p.WriteTo(c)
}