internal void SendAnnouncePeerQuery(DHTNode remoteNode, DHTId infoHash, byte implied_port, int port, BString token)
{
if (remoteNode == null || token == null || token.Length == 0)
{
return;
}
long nowTicks = DateTime.UtcNow.Ticks;
if (nowTicks - remoteNode.LastAnnouncementTime < AnnounceLife.Ticks)
{
return;
}
remoteNode.LastAnnouncementTime = nowTicks;
#if DEBUG_DHT_INTERNALS
fLogger.WriteDebug("Send announce peer query {0}, {1}, {2}", remoteNode.EndPoint, implied_port, port);
#endif
// https://www.bittorrent.org/beps/bep_0005.html
// If implied_port (0/1) is present and non-zero, the port argument should be ignored
// and the source port of the UDP packet should be used as the peer's port instead.
var transactionID = DHTTransactions.GetNextId();
var msg = DHTMessage.CreateAnnouncePeerQuery(transactionID, fLocalID, infoHash, implied_port, port, token);
fTransactions.SetQuery(transactionID, msg);
Send(remoteNode.EndPoint, msg);
}
public void Test_GetTransactionId()
{
var tid = DHTTransactions.GetNextId();
Assert.IsNotNull(tid);
Assert.AreEqual(2, tid.Length);
}
public DHTClient(IPEndPoint localEndPoint, IDHTPeersHolder peersHolder, string clientVer) : base(localEndPoint)
{
fPeersHolder = peersHolder;
fLocalID = peersHolder.ClientNodeId;
fClientVer = clientVer;
fLogger = LogManager.GetLogger(ProtocolHelper.LOG_FILE, ProtocolHelper.LOG_LEVEL, "DHTClient");
fRoutingTable = new DHTRoutingTable(KTableSize);
fTransactions = new DHTTransactions();
}
public void Test_CreateAnnouncePeerResponse()
{
var tid = DHTTransactions.GetNextId();
var nodeId = DHTId.CreateRandom();
DHTMessage msg = DHTMessage.CreateAnnouncePeerResponse(tid, nodeId, new List <DHTNode>());
Assert.IsNotNull(msg);
Assert.AreEqual(MessageType.Response, msg.Type);
// TODO: test contents
}
internal void SendFindNodeQuery(IPEndPoint address, DHTId target, bool neighbor = true)
{
var transactionID = DHTTransactions.GetNextId();
DHTId targetId = (target == null) ? fLocalID : ((neighbor) ? DHTNode.GetNeighbor(target.Data, fLocalID.Data) : target);
var msg = DHTMessage.CreateFindNodeQuery(transactionID, fLocalID, targetId);
fTransactions.SetQuery(transactionID, msg);
Send(address, msg);
}
public void Test_CreateFindNodeQuery()
{
var tid = DHTTransactions.GetNextId();
var nodeId = DHTId.CreateRandom();
DHTMessage msg = DHTMessage.CreateFindNodeQuery(tid, nodeId, nodeId);
Assert.IsNotNull(msg);
Assert.AreEqual(MessageType.Query, msg.Type);
Assert.AreEqual(QueryType.FindNode, msg.QueryType);
// TODO: test contents
}
internal void SendGetPeersQuery(IPEndPoint address, DHTId infoHash)
{
#if DEBUG_DHT_INTERNALS
fLogger.WriteDebug("Send get peers query {0}", address);
#endif
var transactionID = DHTTransactions.GetNextId();
var msg = DHTMessage.CreateGetPeersQuery(transactionID, fLocalID, infoHash);
fTransactions.SetQuery(transactionID, msg);
Send(address, msg);
}
internal void SendPingQuery(IPEndPoint address, bool async = true)
{
#if DEBUG_DHT_INTERNALS
fLogger.WriteDebug("Send peer ping {0}", address);
#endif
var transactionID = DHTTransactions.GetNextId();
var msg = DHTMessage.CreatePingQuery(transactionID, fLocalID);
fTransactions.SetQuery(transactionID, msg);
Send(address, msg, async);
}
public void Test_CreateAnnouncePeerQuery()
{
var tid = DHTTransactions.GetNextId();
var nodeId = DHTId.CreateRandom();
var infoHash = DHTId.CreateRandom();
DHTMessage msg = DHTMessage.CreateAnnouncePeerQuery(tid, nodeId, infoHash, 1, 1, new BString("XX"));
Assert.IsNotNull(msg);
Assert.AreEqual(MessageType.Query, msg.Type);
Assert.AreEqual(QueryType.AnnouncePeer, msg.QueryType);
// TODO: test contents
}
public void Test_DHTTransactions_class()
{
var instance = new DHTTransactions();
Assert.IsNotNull(instance);
var tid = DHTTransactions.GetNextId();
var msg = new DHTMessage(MessageType.Query, QueryType.Ping, null);
instance.SetQuery(tid, msg);
Assert.AreEqual(QueryType.Ping, instance.CheckQuery(tid));
}
public void Test_CreateGetPeersResponse()
{
var tid = DHTTransactions.GetNextId();
var nodeId = DHTId.CreateRandom();
var infoHash = DHTId.CreateRandom();
var peers = new List <IDHTPeer>();
var nodes = new List <DHTNode>();
DHTMessage msg = DHTMessage.CreateGetPeersResponse(tid, nodeId, infoHash, peers, nodes);
Assert.IsNotNull(msg);
Assert.AreEqual(MessageType.Response, msg.Type);
// TODO: test contents
}