private void UdpRecieveLoop(IAsyncResult result)
{
try
{
_udpClient.BeginReceive(UdpRecieveLoop, null);
}
catch
{
//On disposed
return;
}
try
{
IPEndPoint remote = null;
var data = _udpClient.EndReceive(result, ref remote);
if (remote == null || data == null || data.Length == 0)
{
return;
}
using (var mem = new MemoryStream(data))
{
var bin = new BinaryReader(mem);
var add = bin.ReadBoolean();
var pubKey = bin.ReadBytes(bin.ReadInt32());
if (pubKey.Compare(PublicKey) || !TrustVerifier.VerifyTrust(pubKey))
{
return;
}
var peer = new PhonemePeer(this, pubKey, new IPEndPoint(remote.Address, NetworkPort));
if (add)
{
if (!_knownPeersSet.Contains(peer))
{
_knownPeersSet.Add(peer);
Application.Current.Dispatcher.Invoke(() => KnownPeers.Add(peer));
PeerJoin?.Invoke(peer);
}
peer.PerformTcpHandshake();
}
else
{
if (!_knownPeersSet.Remove(peer))
{
return;
}
var realPeer = KnownPeers.First(x => x.Equals(peer));
Application.Current.Dispatcher.Invoke(() => KnownPeers.Remove(realPeer));
PeerLeave?.Invoke(realPeer);
}
}
}
catch (Exception e)
{
//Some kind of noise? Ignore this.
Debug.WriteLine(e);
}
}