Java Code Examples for org.apache.hadoop.hdfs.DFSTestUtil#getLocalDatanodeRegistration()

The following examples show how to use org.apache.hadoop.hdfs.DFSTestUtil#getLocalDatanodeRegistration() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TestBlockListAsLongs.java    From hadoop with Apache License 2.0 4 votes vote down vote up 
@Test
public void testDatanodeDetect() throws ServiceException, IOException {
  final AtomicReference<BlockReportRequestProto> request =
      new AtomicReference<>();

  // just capture the outgoing PB
  DatanodeProtocolPB mockProxy = mock(DatanodeProtocolPB.class);
  doAnswer(new Answer<BlockReportResponseProto>() {
    public BlockReportResponseProto answer(InvocationOnMock invocation) {
      Object[] args = invocation.getArguments();
      request.set((BlockReportRequestProto) args[1]);
      return BlockReportResponseProto.newBuilder().build();
    }
  }).when(mockProxy).blockReport(any(RpcController.class),
                                 any(BlockReportRequestProto.class));
  
  @SuppressWarnings("resource")
  DatanodeProtocolClientSideTranslatorPB nn =
      new DatanodeProtocolClientSideTranslatorPB(mockProxy);

  DatanodeRegistration reg = DFSTestUtil.getLocalDatanodeRegistration();
  NamespaceInfo nsInfo = new NamespaceInfo(1, "cluster", "bp", 1);
  reg.setNamespaceInfo(nsInfo);

  Replica r = new FinalizedReplica(new Block(1, 2, 3), null, null);
  BlockListAsLongs bbl = BlockListAsLongs.encode(Collections.singleton(r));
  DatanodeStorage storage = new DatanodeStorage("s1");
  StorageBlockReport[] sbr = { new StorageBlockReport(storage, bbl) };    

  // check DN sends new-style BR
  request.set(null);
  nsInfo.setCapabilities(Capability.STORAGE_BLOCK_REPORT_BUFFERS.getMask());
  nn.blockReport(reg, "pool", sbr,
      new BlockReportContext(1, 0, System.nanoTime()));
  BlockReportRequestProto proto = request.get();
  assertNotNull(proto);
  assertTrue(proto.getReports(0).getBlocksList().isEmpty());
  assertFalse(proto.getReports(0).getBlocksBuffersList().isEmpty());
  
  // back up to prior version and check DN sends old-style BR
  request.set(null);
  nsInfo.setCapabilities(Capability.UNKNOWN.getMask());
  nn.blockReport(reg, "pool", sbr,
      new BlockReportContext(1, 0, System.nanoTime()));
  proto = request.get();
  assertNotNull(proto);
  assertFalse(proto.getReports(0).getBlocksList().isEmpty());
  assertTrue(proto.getReports(0).getBlocksBuffersList().isEmpty());
}
Example 2
Source File: TestBlockListAsLongs.java    From big-c with Apache License 2.0 4 votes vote down vote up 
@Test
public void testDatanodeDetect() throws ServiceException, IOException {
  final AtomicReference<BlockReportRequestProto> request =
      new AtomicReference<>();

  // just capture the outgoing PB
  DatanodeProtocolPB mockProxy = mock(DatanodeProtocolPB.class);
  doAnswer(new Answer<BlockReportResponseProto>() {
    public BlockReportResponseProto answer(InvocationOnMock invocation) {
      Object[] args = invocation.getArguments();
      request.set((BlockReportRequestProto) args[1]);
      return BlockReportResponseProto.newBuilder().build();
    }
  }).when(mockProxy).blockReport(any(RpcController.class),
                                 any(BlockReportRequestProto.class));
  
  @SuppressWarnings("resource")
  DatanodeProtocolClientSideTranslatorPB nn =
      new DatanodeProtocolClientSideTranslatorPB(mockProxy);

  DatanodeRegistration reg = DFSTestUtil.getLocalDatanodeRegistration();
  NamespaceInfo nsInfo = new NamespaceInfo(1, "cluster", "bp", 1);
  reg.setNamespaceInfo(nsInfo);

  Replica r = new FinalizedReplica(new Block(1, 2, 3), null, null);
  BlockListAsLongs bbl = BlockListAsLongs.encode(Collections.singleton(r));
  DatanodeStorage storage = new DatanodeStorage("s1");
  StorageBlockReport[] sbr = { new StorageBlockReport(storage, bbl) };    

  // check DN sends new-style BR
  request.set(null);
  nsInfo.setCapabilities(Capability.STORAGE_BLOCK_REPORT_BUFFERS.getMask());
  nn.blockReport(reg, "pool", sbr,
      new BlockReportContext(1, 0, System.nanoTime()));
  BlockReportRequestProto proto = request.get();
  assertNotNull(proto);
  assertTrue(proto.getReports(0).getBlocksList().isEmpty());
  assertFalse(proto.getReports(0).getBlocksBuffersList().isEmpty());
  
  // back up to prior version and check DN sends old-style BR
  request.set(null);
  nsInfo.setCapabilities(Capability.UNKNOWN.getMask());
  nn.blockReport(reg, "pool", sbr,
      new BlockReportContext(1, 0, System.nanoTime()));
  proto = request.get();
  assertNotNull(proto);
  assertFalse(proto.getReports(0).getBlocksList().isEmpty());
  assertTrue(proto.getReports(0).getBlocksBuffersList().isEmpty());
}