private Peer GetInternal(DatanodeID dnId, bool isDomain)
{
lock (this)
{
IList <PeerCache.Value> sockStreamList = multimap.Get(new PeerCache.Key(dnId, isDomain
));
if (sockStreamList == null)
{
return(null);
}
IEnumerator <PeerCache.Value> iter = sockStreamList.GetEnumerator();
while (iter.HasNext())
{
PeerCache.Value candidate = iter.Next();
iter.Remove();
long ageMs = Time.MonotonicNow() - candidate.GetTime();
Peer peer = candidate.GetPeer();
if (ageMs >= expiryPeriod)
{
try
{
peer.Close();
}
catch (IOException)
{
Log.Warn("got IOException closing stale peer " + peer + ", which is " + ageMs + " ms old"
);
}
}
else
{
if (!peer.IsClosed())
{
return(peer);
}
}
}
return(null);
}
}
