async Task PingOldestLoop()
{
while (!_node.HasQuit)
{
await Task.Delay(Time.Minutes(5), _node.QuitToken); // ping oldest every 5 minutes
if (_node.HasQuit)
{
return;
}
try
{
var oldest = _bucket.GetOldestNodes();
foreach (var node in oldest)
{
if (node.IsPublicEndPoint)
{
if (!await QueryEndPoint(node.PublicEndPoint, false))
{
_bucket.Remove(node.NodeId);
}
}
}
}
catch (Exception ex)
{
Log.IgnoreException(ex, this);
}
}
}