/// <exception cref="System.IO.IOException"/>
internal DfsClientShm(ShortCircuitShm.ShmId shmId, FileInputStream stream, DfsClientShmManager.EndpointShmManager
manager, DomainPeer peer)
: base(shmId, stream)
{
this.manager = manager;
this.peer = peer;
}
/// <exception cref="System.IO.IOException"/>
public virtual ShortCircuitShm.Slot AllocSlot(DatanodeInfo datanode, DomainPeer peer
, MutableBoolean usedPeer, ExtendedBlockId blockId, string clientName)
{
Lock.Lock();
try
{
if (closed)
{
Log.Trace(this + ": the DfsClientShmManager isclosed.");
return(null);
}
DfsClientShmManager.EndpointShmManager shmManager = datanodes[datanode];
if (shmManager == null)
{
shmManager = new DfsClientShmManager.EndpointShmManager(this, datanode);
datanodes[datanode] = shmManager;
}
return(shmManager.AllocSlot(peer, usedPeer, clientName, blockId));
}
finally
{
Lock.Unlock();
}
}
