public virtual void Setup()
{
conf = new HdfsConfiguration();
SimulatedFSDataset.SetFactory(conf);
Configuration[] overlays = new Configuration[NumDatanodes];
for (int i = 0; i < overlays.Length; i++)
{
overlays[i] = new Configuration();
if (i == RoNodeIndex)
{
overlays[i].SetEnum(SimulatedFSDataset.ConfigPropertyState, i == RoNodeIndex ? DatanodeStorage.State
.ReadOnlyShared : DatanodeStorage.State.Normal);
}
}
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(NumDatanodes).DataNodeConfOverlays
(overlays).Build();
fs = cluster.GetFileSystem();
blockManager = cluster.GetNameNode().GetNamesystem().GetBlockManager();
datanodeManager = blockManager.GetDatanodeManager();
client = new DFSClient(new IPEndPoint("localhost", cluster.GetNameNodePort()), cluster
.GetConfiguration(0));
for (int i_1 = 0; i_1 < NumDatanodes; i_1++)
{
DataNode dataNode = cluster.GetDataNodes()[i_1];
ValidateStorageState(BlockManagerTestUtil.GetStorageReportsForDatanode(datanodeManager
.GetDatanode(dataNode.GetDatanodeId())), i_1 == RoNodeIndex ? DatanodeStorage.State
.ReadOnlyShared : DatanodeStorage.State.Normal);
}
// Create a 1 block file
DFSTestUtil.CreateFile(fs, Path, BlockSize, BlockSize, BlockSize, (short)1, seed);
LocatedBlock locatedBlock = GetLocatedBlock();
extendedBlock = locatedBlock.GetBlock();
block = extendedBlock.GetLocalBlock();
Assert.AssertThat(locatedBlock.GetLocations().Length, CoreMatchers.Is(1));
normalDataNode = locatedBlock.GetLocations()[0];
readOnlyDataNode = datanodeManager.GetDatanode(cluster.GetDataNodes()[RoNodeIndex
].GetDatanodeId());
Assert.AssertThat(normalDataNode, CoreMatchers.Is(CoreMatchers.Not(readOnlyDataNode
)));
ValidateNumberReplicas(1);
// Inject the block into the datanode with READ_ONLY_SHARED storage
cluster.InjectBlocks(0, RoNodeIndex, Collections.Singleton(block));
// There should now be 2 *locations* for the block
// Must wait until the NameNode has processed the block report for the injected blocks
WaitForLocations(2);
}
/// <exception cref="System.IO.IOException"/>
public static HeartbeatResponse SendHeartBeat(DatanodeRegistration nodeReg, DatanodeDescriptor
dd, FSNamesystem namesystem)
{
return(namesystem.HandleHeartbeat(nodeReg, BlockManagerTestUtil.GetStorageReportsForDatanode
(dd), dd.GetCacheCapacity(), dd.GetCacheRemaining(), 0, 0, 0, null));
}
