private void OnRecvAnnouncePeerQuery(IPEndPoint ipinfo, BDictionary data)
{
var t = data.Get <BString>("t");
var args = data.Get <BDictionary>("a");
var id = args.Get <BString>("id");
var infoHash = new DHTId(args.Get <BString>("info_hash"));
var impliedPort = args.Get <BNumber>("implied_port");
int port = (impliedPort != null && impliedPort.Value == 1) ? ipinfo.Port : (int)args.Get <BNumber>("port").Value;
var remoteNode = new DHTNode(id.Value, ipinfo);
UpdateRoutingTable(remoteNode);
#if DEBUG_DHT_INTERNALS
fLogger.WriteDebug("Receive `announce_peer` query from {0} for {1}", remoteNode.ToString(), infoHash.ToString());
#endif
// skip response for another infohash query
if (infoHash == fSearchInfoHash)
{
// receive `announce_peer` query for our infohash
var nodesList = fRoutingTable.GetClosest(infoHash.Data);
Send(ipinfo, DHTMessage.CreateAnnouncePeerResponse(t, fLocalID, nodesList));
if (PeersFound != null)
{
PeersFound(this, new PeersFoundEventArgs(new List <IPEndPoint>()
{
ipinfo
}));
}
}
}
public void Test_ToString()
{
var endPoint = new IPEndPoint(IPAddress.Any, 0);
var randId = DHTHelper.GetRandomID();
var node = new DHTNode(randId, endPoint);
Assert.IsNotNullOrEmpty(node.ToString());
}
public void Test_DHTNode()
{
var endPoint = new IPEndPoint(IPAddress.Any, 0);
var randId = DHTId.CreateRandom();
var node = new DHTNode(randId, endPoint);
Assert.IsNotNull(node);
Assert.AreEqual(randId.Data, node.Id.Data);
Assert.AreEqual(endPoint, node.EndPoint);
Assert.IsNotNullOrEmpty(node.ToString());
Assert.AreEqual(0, node.LastAnnouncementTime);
Assert.AreEqual(0, node.LastUpdateTime);
}
private void OnRecvPingQuery(IPEndPoint ipinfo, BDictionary data)
{
var t = data.Get <BString>("t");
var args = data.Get <BDictionary>("a");
var id = args.Get <BString>("id");
var remoteNode = new DHTNode(id.Value, ipinfo);
UpdateRoutingTable(remoteNode);
#if DEBUG_DHT_INTERNALS
fLogger.WriteDebug("Receive `ping` query from {0}", remoteNode.ToString());
#endif
Send(ipinfo, DHTMessage.CreatePingResponse(t, fLocalID));
}
private void OnRecvFindNodeQuery(IPEndPoint ipinfo, BDictionary data)
{
var t = data.Get <BString>("t");
var args = data.Get <BDictionary>("a");
var id = args.Get <BString>("id");
var target = args.Get <BString>("target");
var remoteNode = new DHTNode(id.Value, ipinfo);
UpdateRoutingTable(remoteNode);
#if DEBUG_DHT_INTERNALS
fLogger.WriteDebug("Receive `find_node` query from {0}", remoteNode.ToString());
#endif
var nodesList = fRoutingTable.GetClosest(target.Value);
Send(ipinfo, DHTMessage.CreateFindNodeResponse(t, fLocalID, nodesList));
}
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 = new DHTId(args.Get <BString>("info_hash"));
var remoteNode = new DHTNode(id.Value, ipinfo);
UpdateRoutingTable(remoteNode);
#if DEBUG_DHT_INTERNALS
fLogger.WriteDebug("Receive `get_peers` query from {0} for {1}", remoteNode.ToString(), infoHash.ToString());
#endif
var neighbor = DHTNode.GetNeighbor(infoHash.Data, fLocalID.Data);
var peersList = (infoHash == fSearchInfoHash) ? fPeersHolder.GetPeersList() : null;
var nodesList = fRoutingTable.GetClosest(infoHash.Data);
Send(ipinfo, DHTMessage.CreateGetPeersResponse(t, neighbor, infoHash, peersList, nodesList));
}
