private void recv(IAsyncResult res)
{
int bytesRev = 0;
try
{
bytesRev = UdpSocket.EndReceive(res);
}
catch (ObjectDisposedException)
{
return;
}
var endpoints = MasterUtil.ProcessPacket(recvData.Take(bytesRev).ToArray());
//ThreadPool.QueueUserWorkItem(x => Callback(endpoints));
Callback(endpoints);
if (!endpoints.Last().Equals(SeedEndpoint))
{
Msg = MasterUtil.BuildPacket(endpoints.Last().ToString(), RegionCode, Filter);
UdpSocket.Send(Msg);
UdpSocket.BeginReceive(recvData, 0, recvData.Length, SocketFlags.None, recv, null);
}
else
{
IsListening = false;
}
}
private ReadOnlyCollection <IPEndPoint> SendAndReceive(Socket udpSocket, byte[] recvData, Region region, IpFilter filter, IPEndPoint seed)
{
var msg = MasterUtil.BuildPacket(seed.ToString(), region, filter);
udpSocket.Send(msg);
int len = udpSocket.Receive(recvData, 0, recvData.Length, SocketFlags.None);
byte[] data = new byte[len];
Array.Copy(recvData, data, data.Length);
return(MasterUtil.ProcessPacket(data));
}
/// <summary>
/// Starts receiving socket addresses of servers.
/// </summary>
/// <param name="region">The region of the world that you wish to find servers in.</param>
/// <param name="callback">Called when a batch of Socket addresses are received.</param>
/// <param name="filter">Used to set filter on the type of server required.</param>
public void GetAddresses(Region region, MasterIpCallback callback, IpFilter filter = null)
{
if (IsListening)
{
return;
}
RegionCode = region;
Callback = callback;
Filter = filter;
IsListening = true;
IPEndPoint endPoint = SeedEndpoint;
Msg = MasterUtil.BuildPacket(endPoint.ToString(), RegionCode, Filter);
UdpSocket.Send(Msg);
recvData = new byte[1400];
UdpSocket.BeginReceive(recvData, 0, recvData.Length, SocketFlags.None, recv, null);
}