public Bucket Split(int cpl, DhtId target)
{
_rwlock.EnterWriteLock();
try
{
var output = new List <PeerId>();
var newBuck = new Bucket(output);
foreach (var e in _list)
{
var peerId = DhtId.ConvertPeerId(e);
var peerCpl = DhtId.CommonPrefixLength(peerId, target);
if (peerCpl > cpl)
{
output.Add(e);
}
}
_list.RemoveAll(output.Contains);
return(newBuck);
}
finally
{
_rwlock.ExitWriteLock();
}
}
public PeerId Find(PeerId id)
{
var srch = NearestPeers(DhtId.ConvertPeerId(id), 1);
if (srch.Length == 0 || srch[0] != id)
{
return(null);
}
return(srch[0]);
}
public void Remove(PeerId p)
{
lock (_tabLock)
{
var peerId = DhtId.ConvertPeerId(p);
var cpl = DhtId.CommonPrefixLength(peerId, _local);
var bucketId = cpl;
if (bucketId >= Buckets.Length)
{
bucketId = Buckets.Length - 1;
}
var bucket = Buckets[bucketId];
bucket.Remove(p);
}
}
public void Update(PeerId p)
{
var peerId = DhtId.ConvertPeerId(p);
var cpl = DhtId.CommonPrefixLength(peerId, _local);
lock (_tabLock)
{
var bucketId = cpl;
if (bucketId >= Buckets.Length)
{
bucketId = Buckets.Length - 1;
}
var bucket = Buckets[bucketId];
if (bucket.Has(p))
{
bucket.MoveToFront(p);
return;
}
if (_metrics.LatencyEWMA(p) > _maxLatency)
{
return;
}
bucket.PushFront(p);
if (bucket.Length > _bucketSize)
{
if (bucketId == Buckets.Length - 1)
{
NextBucket();
}
else
{
bucket.PopBack();
}
}
}
}
public static IEnumerable <PeerDistance> CopyPeersFromList(DhtId target, IEnumerable <PeerId> peers)
{
return(from peer in peers let pid = DhtId.ConvertPeerId(peer) select new PeerDistance {
P = peer, Distance = ((byte[])target).XOR(pid)
});
}