public void RefreshBucket(DhtNode dhtNode)
{
List <KBucket> allLeafKBuckets = GetAllLeafKBuckets();
foreach (KBucket kBucket in allLeafKBuckets)
{
if (kBucket._contacts != null)
{
if ((DateTime.UtcNow - kBucket._lastChanged).TotalSeconds > BUCKET_STALE_TIMEOUT_SECONDS)
{
ThreadPool.QueueUserWorkItem(delegate(object state)
{
//get random node ID in the bucket range
BinaryNumber randomNodeID = BinaryNumber.GenerateRandomNumber160();
if (kBucket._bucketID != null)
{
randomNodeID = (randomNodeID >> kBucket._bucketDepth) | kBucket._bucketID;
}
//find closest contacts for current node id
NodeContact[] initialContacts = kBucket.GetKClosestContacts(randomNodeID);
if (initialContacts.Length > 0)
{
dhtNode.QueryFindNode(initialContacts, randomNodeID);
}
});
}
}
}
}
public void CheckContactHealth(DhtNode dhtNode)
{
List <KBucket> allLeafKBuckets = GetAllLeafKBuckets();
foreach (KBucket kBucket in allLeafKBuckets)
{
NodeContact[] contacts = kBucket._contacts;
if (contacts != null)
{
foreach (NodeContact contact in contacts)
{
if ((contact != null) && contact.IsStale())
{
ThreadPool.QueueUserWorkItem(delegate(object state)
{
if (!dhtNode.Ping(contact))
{
//remove stale node contact
kBucket.RemoveContact(contact);
}
});
}
}
}
}
}
