public KadHashTable(KadNode node, KadContactNode knownNode = null, KadHashTableConfiguration kadHashTableConfig = null)
{
Owner = node;
if (knownNode != null)
{
Owner.BucketList.Put(knownNode);
}
if (kadHashTableConfig != null)
{
ReplicationCount = kadHashTableConfig.ReplicationCount ?? ReplicationCount;
MaxConcurrentThreads = kadHashTableConfig.MaxConcurrentThreads ?? MaxConcurrentThreads;
ReplicationInSecs = kadHashTableConfig.ReplicationInSecs ?? ReplicationInSecs;
RepublicationInSecs = kadHashTableConfig.RepublicationInSecs ?? RepublicationInSecs;
BucketsRefreshInSecs = kadHashTableConfig.BucketsRefreshInSecs ?? BucketsRefreshInSecs;
}
InitTable();
}
private void ListenIncoming(KadNode ownerNode)
{
IPEndPoint incomingIpEndPoint = new IPEndPoint(IPAddress.Any, EndPoint.Port);
while (!_stopped)
{
try {
byte[] rawMsg = _udpClient.Receive(ref incomingIpEndPoint);
NodeMessage incomingMsg = new NodeMessage.Builder(rawMsg).Build(); //TODO: msg validation
ulong msgIdx = GetMessageId(incomingIpEndPoint.Address, incomingMsg.Seq); //TODO: two spare bytes for port
if (_messages.ContainsKey(msgIdx))
{
NodeMessage rqMsg = null;
if (_messages.TryRemove(msgIdx, out rqMsg))
{
rqMsg.ProcessResponse(incomingMsg);
}
}
else
{
if (incomingMsg.IsRequest)
{
ownerNode.ProcessRequest(incomingMsg, incomingIpEndPoint);
_messages.AddOrUpdate(msgIdx, incomingMsg, (k, v) => v);
}
}
} catch (SocketException se) {
if (se.SocketErrorCode != SocketError.Interrupted)
{
throw se;
}
}
incomingIpEndPoint = new IPEndPoint(IPAddress.Any, EndPoint.Port);
}
}
public void Start(KadNode ownerNode)
{
_udpClient = new UdpClient(EndPoint);
_listenerThread = new Thread(ListenIncomingObj);
_listenerThread.Start(ownerNode);
}