public void Test_GetNeighbor()
{
var bytes1 = new byte[] { 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11 };
var bytes2 = new byte[] { 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77 };
var result = DHTHelper.GetNeighbor(bytes1, bytes2);
Assert.AreEqual("1111111111111111111177777777777777777777", result.ToHexString());
}
internal void SendFindNodeQuery(IPEndPoint address, byte[] data)
{
var transactionID = DHTHelper.GetTransactionId();
byte[] nid = (data == null) ? fLocalID : DHTHelper.GetNeighbor(data, fLocalID);
var msg = DHTMessage.CreateFindNodeQuery(transactionID, nid);
SetTransaction(transactionID, msg);
Send(address, msg);
}
private void SendFindNodeQuery(IPEndPoint address, byte[] data)
{
var transactionID = DHTHelper.GetTransactionId();
byte[] nid = (data == null) ? fLocalID : DHTHelper.GetNeighbor(data, fLocalID);
BDictionary sendData = DHTMessage.CreateFindNodeQuery(transactionID, nid);
SetTransaction(transactionID, new DHTMessage(MsgType.query, QueryType.find_node, sendData));
Send(address, sendData);
}
private void OnRecvGetPeersQuery(IPEndPoint ipinfo, BDictionary data)
{
var t = data.Get <BString>("t");
var args = data.Get <BDictionary>("a");
var id = args.Get <BString>("id");
var infoHash = args.Get <BString>("info_hash");
fLogger.WriteDebug("Receive `get_peers` query from {0} [{1}] for {2}", ipinfo.ToString(), id.Value.ToHexString(), infoHash.Value.ToHexString());
fRoutingTable.UpdateNode(new DHTNode(id.Value, ipinfo));
var neighbor = DHTHelper.GetNeighbor(infoHash.Value, fLocalID);
var peersList = (Algorithms.ArraysEqual(infoHash.Value, fSearchInfoHash)) ? fPeersHolder.GetPeersList() : null;
var nodesList = fRoutingTable.FindNodes(infoHash.Value);
Send(ipinfo, DHTMessage.CreateGetPeersResponse(t, neighbor, infoHash.Value, peersList, nodesList));
}
