private Task InitiateNewUser(PeerData peer, uint subnetworkIP)
{
return(Task.Run(() =>
{
// pakiet dla nowego użytkownika
UdpNewPeerPacket packet = new UdpNewPeerPacket(
peer.Name,
subnetworkIP,
true,
PeersRxSupport.Values.ToArray(),
CurrentSubnetwork
);
byte[] data = GetSerializedBytes <UdpNewPeerPacket>(packet);
ReceivedConfirmation = new ManualResetEvent(false);
NewPeer = peer;
int retryCounter = 0;
while (retryCounter++ < ConnectionRetries && !CancelToken.IsCancellationRequested)
{
UdpSupport.Send(data, data.Length, peer.GetSupportEndpoint());
if (ReceivedConfirmation.WaitOne(2000))
{
break;
}
}
NewPeer = null;
if (retryCounter > ConnectionRetries)
{
throw new NewClientNotReachedException("Czas wywołania minął!", null);
}
if (!CancelToken.IsCancellationRequested)
{
return;
}
// pakiet dla pozostałych
packet = new UdpNewPeerPacket(
null,
0,
false,
new PeerData[1] {
peer
},
null
);
Broadcast <UdpNewPeerPacket>(packet);
}));
}
private void ProcessUdpPacket(CommPacket packet, IPEndPoint ep)
{
PeerData peer = null;
if (packet is UdpConnectingConfirmation)
{
AddPeerToDictionaries(NewPeer);
if (ReceivedConfirmation != null)
{
ReceivedConfirmation.Set();
}
}
else if (packet is UdpNewPeerPacket)
{
UdpNewPeerPacket newPeerPacket = packet as UdpNewPeerPacket;
if (newPeerPacket.RecipientIsNew && AwaitingExternalConnection)
{
AwaitingExternalConnection = false;
AddPeersToDictionaries(newPeerPacket.Peers);
StartDriver(newPeerPacket.SubnetworkData, newPeerPacket.SubnetworkIP, newPeerPacket.Name);
OnConnected(this, null);
UdpConnectingConfirmation confirmPacket = new UdpConnectingConfirmation();
SendPacket <UdpConnectingConfirmation>(confirmPacket, ep);
Thread.Sleep(100);
NegotiateKey(PeersRxSupport[ep], null);
}
else
{
if (newPeerPacket.Peers != null && !newPeerPacket.RecipientIsNew)
{
if (newPeerPacket.Peers.Length != 0)
{
AddPeerToDictionaries(newPeerPacket.Peers[0]);
NegotiateKey(peer, null);
}
}
}
}
else if (packet is UdpKeyNegotiationPacket)
{
if (!PeersRxSupport.TryGetValue(ep, out peer))
{
peer = NewPeer;
}
NegotiateKey(peer, packet as UdpKeyNegotiationPacket);
}
else if (packet is UdpGoodbye)
{
RemovePeerFromDictionaries(PeersRxSupport[ep], "goodbye");
}
else if (packet is UdpHeartbeat)
{
if (PeersRxSupport.TryGetValue(ep, out peer))
{
peer.Heartbeat();
}
}
}