void SetupBanlist()
{
banlist = new BanList();
if (!File.Exists ("banlist"))
return;
// The banlist parser can parse a standard block list from peerguardian or similar services
BanListParser parser = new BanListParser();
IEnumerable<AddressRange> ranges = parser.Parse(File.OpenRead("banlist"));
banlist.AddRange(ranges);
// Add a few IPAddress by hand
banlist.Add(IPAddress.Parse("12.21.12.21"));
banlist.Add(IPAddress.Parse("11.22.33.44"));
banlist.Add(IPAddress.Parse("44.55.66.77"));
engine.ConnectionManager.BanPeer += delegate (object o, AttemptConnectionEventArgs e){
IPAddress address;
// The engine can raise this event simultaenously on multiple threads
if (IPAddress.TryParse(e.Peer.ConnectionUri.Host, out address)) {
lock (banlist) {
// If the value of e.BanPeer is true when the event completes,
// the connection will be closed. Otherwise it will be allowed
e.BanPeer = banlist.IsBanned(address);
}
}
};
}
