public IConnection Create(EndPoint target, RandomGenerator gen, out ConnectionOutcome outcome)
{
outcome = ConnectionOutcome.Fail;
_int.target = target;
IConnection placeholder = new UdpConnection();
placeholder.EnsureSource();
IEnumerable <byte> bytes = macAddress.MacAddress();
var port = ((IPEndPoint)placeholder.source).Port;
bytes = bytes.Concat(BitConverter.GetBytes(port)).ToArray();
if (bytes.Count() < PeerTcpGeneratorConnectionMessage.SEED_LENGTH)
{
bytes = gen.Bytes(PeerTcpGeneratorConnectionMessage.SEED_LENGTH - bytes.Count()).Concat(bytes);
}
PeerTcpGeneratorConnectionMessage mes =
new PeerTcpGeneratorConnectionMessage(bytes.ToArray(PeerTcpGeneratorConnectionMessage.SEED_LENGTH), placeholder.source);
_int.Send(mes);
EndPoint from;
var peermes = _int.Recieve <PeerTcpGeneratorConnectionMessage>(out from);
if (!from.Equals(target))
{
throw new Exception("peer target mismatch");
}
var comp = new EnumerableCompararer <byte>().Compare(mes.seeds, peermes.seeds);
if (comp == 0)
{
throw new Exception($"seed perfect match, 2^-{8 * PeerTcpGeneratorConnectionMessage.SEED_LENGTH} chance!");
}
if (comp < 0)
{
placeholder.Dispose();
//we are server
var ret = new TcpServer {
source = mes.ConnEndPoint
}.Create();
outcome = ConnectionOutcome.Server;
return(ret);
}
else
{
Thread.Sleep(TimeSpan.FromSeconds(0.1));
placeholder.Dispose();
//we are client
var ret = new TcpClient {
target = peermes.ConnEndPoint
};
outcome = ConnectionOutcome.Client;
return(ret);
}
}
public IConnection Create(EndPoint target, out ConnectionOutcome outcome)
{
_int.EnsureSource();
return(Create(target, new LocalRandomGenerator(_int.source.GetHashCode()), out outcome));
}
