/// <summary>Evict and close sockets older than expiry period from the cache.</summary>
private void EvictExpired(long expiryPeriod)
{
lock (this)
{
while (multimap.Size() != 0)
{
IEnumerator <KeyValuePair <PeerCache.Key, PeerCache.Value> > iter = multimap.Entries
().GetEnumerator();
KeyValuePair <PeerCache.Key, PeerCache.Value> entry = iter.Next();
// if oldest socket expired, remove it
if (entry == null || Time.MonotonicNow() - entry.Value.GetTime() < expiryPeriod)
{
break;
}
IOUtils.Cleanup(Log, entry.Value.GetPeer());
iter.Remove();
}
}
}
private DatanodeStorageInfo[] ScheduleSingleReplication(Block block)
{
// list for priority 1
IList <Block> list_p1 = new AList <Block>();
list_p1.AddItem(block);
// list of lists for each priority
IList <IList <Block> > list_all = new AList <IList <Block> >();
list_all.AddItem(new AList <Block>());
// for priority 0
list_all.AddItem(list_p1);
// for priority 1
NUnit.Framework.Assert.AreEqual("Block not initially pending replication", 0, bm.
pendingReplications.GetNumReplicas(block));
NUnit.Framework.Assert.AreEqual("computeReplicationWork should indicate replication is needed"
, 1, bm.ComputeReplicationWorkForBlocks(list_all));
NUnit.Framework.Assert.IsTrue("replication is pending after work is computed", bm
.pendingReplications.GetNumReplicas(block) > 0);
LinkedListMultimap <DatanodeStorageInfo, DatanodeDescriptor.BlockTargetPair> repls
= GetAllPendingReplications();
NUnit.Framework.Assert.AreEqual(1, repls.Size());
KeyValuePair <DatanodeStorageInfo, DatanodeDescriptor.BlockTargetPair> repl = repls
.Entries().GetEnumerator().Next();
DatanodeStorageInfo[] targets = repl.Value.targets;
DatanodeStorageInfo[] pipeline = new DatanodeStorageInfo[1 + targets.Length];
pipeline[0] = repl.Key;
System.Array.Copy(targets, 0, pipeline, 1, targets.Length);
return(pipeline);
}