private void dhtSeedingTracker_DiscoveredPeers(TrackerManager sender, IEnumerable <IPEndPoint> peerEPs)
{
if (_dhtClient != null)
{
_dhtClient.AddNode(peerEPs);
}
}
private void UpdateTrackerAsync(object state)
{
object[] parameters = state as object[];
TrackerClient tracker = parameters[0] as TrackerClient;
TrackerClientEvent @event = (TrackerClientEvent)parameters[1];
IPEndPoint localEP = parameters[2] as IPEndPoint;
try
{
tracker.Update(@event, localEP);
switch (@event)
{
case TrackerClientEvent.Started:
case TrackerClientEvent.Completed:
case TrackerClientEvent.None:
if (_lookupOnly)
{
tracker.Update(TrackerClientEvent.Stopped, localEP);
}
if (tracker.Peers.Count > 0)
{
DiscoveredPeers?.Invoke(this, tracker.Peers);
if (_dhtClient != null)
{
_dhtClient.AddNode(tracker.Peers);
}
}
break;
}
tracker.CustomUpdateInterval = _customUpdateInterval;
}
catch
{
if (tracker.RetriesDone < TRACKER_MAX_RETRIES)
{
tracker.CustomUpdateInterval = TRACKER_RETRY_UPDATE_INTERVAL_SECONDS;
}
else
{
tracker.CustomUpdateInterval = TRACKER_FAILED_UPDATE_INTERVAL_SECONDS;
}
}
}
public ConnectionManager(BitChatProfile profile)
{
IPEndPoint localEP;
switch (Environment.OSVersion.Platform)
{
case PlatformID.Win32NT:
if (Environment.OSVersion.Version.Major < 6)
{
//below vista
_tcpListener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
localEP = new IPEndPoint(IPAddress.Any, profile.LocalPort);
}
else
{
//vista & above
_tcpListener = new Socket(AddressFamily.InterNetworkV6, SocketType.Stream, ProtocolType.Tcp);
_tcpListener.SetSocketOption(SocketOptionLevel.IPv6, SocketOptionName.IPv6Only, false);
localEP = new IPEndPoint(IPAddress.IPv6Any, profile.LocalPort);
}
break;
case PlatformID.Unix: //mono framework
if (Socket.OSSupportsIPv6)
{
_tcpListener = new Socket(AddressFamily.InterNetworkV6, SocketType.Stream, ProtocolType.Tcp);
localEP = new IPEndPoint(IPAddress.IPv6Any, profile.LocalPort);
}
else
{
_tcpListener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
localEP = new IPEndPoint(IPAddress.Any, profile.LocalPort);
}
break;
default: //unknown
_tcpListener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
localEP = new IPEndPoint(IPAddress.Any, profile.LocalPort);
break;
}
try
{
_tcpListener.Bind(localEP);
_tcpListener.Listen(10);
}
catch
{
localEP.Port = 0;
_tcpListener.Bind(localEP);
_tcpListener.Listen(10);
}
_profile = profile;
_localPort = (_tcpListener.LocalEndPoint as IPEndPoint).Port;
_localPeerID = BinaryID.GenerateRandomID160();
//start dht
_dhtClient = new DhtClient(_localPort, this);
_dhtClient.ProxyEnabled = (_profile.Proxy != null);
_dhtClient.AddNode(profile.BootstrapDhtNodes);
//setup dht seeding tracker
_dhtSeedingTracker = new TrackerManager(_dhtSeedingNetworkID, _localPort, null, DHT_SEED_TRACKER_UPDATE_INTERVAL);
_dhtSeedingTracker.Proxy = _profile.Proxy;
_dhtSeedingTracker.DiscoveredPeers += dhtSeedingTracker_DiscoveredPeers;
_dhtSeedingTracker.StartTracking(profile.TrackerURIs);
//start accepting connections
_tcpListenerThread = new Thread(AcceptTcpConnectionAsync);
_tcpListenerThread.IsBackground = true;
_tcpListenerThread.Start(_tcpListener);
//start upnp process
_connectivityCheckTimer = new Timer(ConnectivityCheckTimerCallback, null, 1000, Timeout.Infinite);
}