my networking

s = new Socket (AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
s.Bind (new IPEndPoint (IPAddress.Any, port));
while (true) {
				now = stopwatch.ElapsedTicks;
				deltaTime = (now - lastTime) / (float)Stopwatch.Frequency;
				lastTime = now;
				time += deltaTime;
				if (time > 30 || gameOver) {
					SendToAll (new byte[1] { (byte)(waitingForPlayers + 64) });
					s.Close ();
					return;
				}
				if (s.Poll (1000, SelectMode.SelectRead)) {
					int bytes = s.ReceiveFrom (buffer, ref recvEndpoint);
					if (bytes > 48) {
						sender = (IPEndPoint)recvEndpoint;
						byte[] data = new byte[bytes];
						Array.Copy (buffer, data, bytes);
						for (byte i = 0; i < 10; i++) {
							if (sender.Equals (connections[i])) {
								bool duplicate = false;
								foreach (IPEndPoint ip in team1Connections) {
									if (ip.Equals (sender)) {
										duplicate = true;
										break;
									}
								}
								if (duplicate)
									break;
								foreach (IPEndPoint ip in team2Connections) {
									if (ip.Equals (sender)) {
										duplicate = true;
										break;
									}
								}
								if (duplicate)
									break;
								s.SendTo (new byte[1] { (byte)(192 + waitingForPlayers) }, sender);
								new Player (this, i, sender, Encoding.ASCII.GetString (data, 55, data.Length - 55), data);
								if (i % 2 == 0)
									team1Connections.Add (sender);
								else
									team2Connections.Add (sender);
							}
						}
					}
					if (players.Count == maxPlayers)
						break;
				}
				Thread.Sleep (10);
			}