Examples of DatanodeProtocol

Examples of org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol

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    BPOfferService bpos = new BPOfferService(INVALID_ADDR, mockDN);

    NamespaceInfo fakeNSInfo = mock(NamespaceInfo.class);
    when(fakeNSInfo.getBuildVersion()).thenReturn("NSBuildVersion");
    DatanodeProtocol fakeDNProt = mock(DatanodeProtocol.class);
    when(fakeDNProt.versionRequest()).thenReturn(fakeNSInfo);

    bpos.setNameNode( fakeDNProt );
    bpos.bpNSInfo = fakeNSInfo;
    try {  
      bpos.retrieveNamespaceInfo();
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Examples of org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol

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    // Shutdown and wait for datanode to be marked dead
    dn.shutdown();
    waitForDatanodeState(reg, false, 20000);

    DatanodeProtocol dnp = cluster.getNameNode();
    Block block = new Block(0);
    Block[] blocks = new Block[] { block };
    String[] delHints = new String[] { "" };
   
    // Ensure blockReceived call from dead datanode is rejected with IOException
    try {
      dnp.blockReceived(reg, blocks, delHints);
      Assert.fail("Expected IOException is not thrown");
    } catch (IOException ex) {
      // Expected
    }

    // Ensure blockReport from dead datanode is rejected with IOException
    long[] blockReport = new long[] { 0L, 0L, 0L };
    try {
      dnp.blockReport(reg, blockReport);
      Assert.fail("Expected IOException is not thrown");
    } catch (IOException ex) {
      // Expected
    }

    // Ensure heartbeat from dead datanode is rejected with a command
    // that asks datanode to register again
    DatanodeCommand[] cmd = dnp.sendHeartbeat(reg, 0, 0, 0, 0, 0);
    Assert.assertEquals(1, cmd.length);
    Assert.assertEquals(cmd[0].getAction(), DatanodeCommand.REGISTER
        .getAction());
  }
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Examples of org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol

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    // Shutdown and wait for datanode to be marked dead
    dn.shutdown();
    waitForDatanodeState(reg.getStorageID(), false, 20000);

    DatanodeProtocol dnp = cluster.getNameNodeRpc();
   
    ReceivedDeletedBlockInfo[] blocks = { new ReceivedDeletedBlockInfo(
        new Block(0), "") };
   
    // Ensure blockReceived call from dead datanode is rejected with IOException
    try {
      dnp.blockReceivedAndDeleted(reg, poolId, blocks);
      Assert.fail("Expected IOException is not thrown");
    } catch (IOException ex) {
      // Expected
    }

    // Ensure blockReport from dead datanode is rejected with IOException
    long[] blockReport = new long[] { 0L, 0L, 0L };
    try {
      dnp.blockReport(reg, poolId, blockReport);
      Assert.fail("Expected IOException is not thrown");
    } catch (IOException ex) {
      // Expected
    }

    // Ensure heartbeat from dead datanode is rejected with a command
    // that asks datanode to register again
    DatanodeCommand[] cmd = dnp.sendHeartbeat(reg, 0, 0, 0, 0, 0, 0, 0);
    Assert.assertEquals(1, cmd.length);
    Assert.assertEquals(cmd[0].getAction(), DatanodeCommand.REGISTER
        .getAction());
  }
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Examples of org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol

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   * Verify multiple CRC chunks.
   */
  private void verifyChunks( byte[] dataBuf, int dataOff, int len,
                             byte[] checksumBuf, int checksumOff )
                             throws IOException {
    DatanodeProtocol nn = datanode.getBPNamenode(block.getBlockPoolId());
    while (len > 0) {
      int chunkLen = Math.min(len, bytesPerChecksum);
     
      clientChecksum.update(dataBuf, dataOff, chunkLen);

      if (!clientChecksum.compare(checksumBuf, checksumOff)) {
        if (srcDataNode != null) {
          try {
            LOG.info("report corrupt block " + block + " from datanode " +
                      srcDataNode + " to namenode");
            LocatedBlock lb = new LocatedBlock(block,
                                            new DatanodeInfo[] {srcDataNode});
            nn.reportBadBlocks(new LocatedBlock[] {lb});
          } catch (IOException e) {
            LOG.warn("Failed to report bad block " + block +
                      " from datanode " + srcDataNode + " to namenode");
          }
        }
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Examples of org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol

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        // reply with the broadcast command
        assert currentUpgrades == null :
          "UpgradeManagerDatanode.currentUpgrades is not null.";
        assert upgradeDaemon == null :
          "UpgradeManagerDatanode.upgradeDaemon is not null.";
        DatanodeProtocol nn = dataNode.getBPNamenode(bpid);
        nn.processUpgradeCommand(broadcastCommand);
        return true;
      }
    }
    if(currentUpgrades == null)
      currentUpgrades = getDistributedUpgrades();
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Examples of org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol

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    ArrayList<File> dirs = new ArrayList<File>();
    File dataDir = new File(DATA_DIR);
    FileUtil.fullyDelete(dataDir);
    dataDir.mkdirs();
    dirs.add(dataDir);
    final DatanodeProtocol namenode = mock(DatanodeProtocol.class);
   
    Mockito.doAnswer(new Answer<DatanodeRegistration>() {
      @Override
      public DatanodeRegistration answer(InvocationOnMock invocation)
          throws Throwable {
        return (DatanodeRegistration) invocation.getArguments()[0];
      }
    }).when(namenode).registerDatanode(
        Mockito.any(DatanodeRegistration.class));
   
    when(namenode.versionRequest()).thenReturn(new NamespaceInfo
        (1, CLUSTER_ID, POOL_ID, 1L, 1));
   
    when(namenode.sendHeartbeat(any(DatanodeRegistration.class), anyLong(),
        anyLong(), anyLong(), anyLong(), anyInt(), anyInt(), anyInt()))
        .thenReturn(new DatanodeCommand[0]);

    dn = new DataNode(conf, dirs, null) {
      @Override
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Examples of org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol

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    doReturn(new ReplicaRecoveryInfo(block.getBlockId(), 0,
        block.getGenerationStamp(), ReplicaState.FINALIZED)).when(spyDN).
        initReplicaRecovery(any(RecoveringBlock.class));
    Daemon d = spyDN.recoverBlocks(initRecoveringBlocks());
    d.join();
    DatanodeProtocol dnP = dn.getBPNamenode(POOL_ID);
    verify(dnP).commitBlockSynchronization(
        block, RECOVERY_ID, 0, true, true, DatanodeID.EMPTY_ARRAY);
  }
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Examples of org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol

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      dn.syncBlock(rBlock, initBlockRecords(dn));
      fail("Sync should fail");
    } catch (IOException e) {
      e.getMessage().startsWith("Cannot recover ");
    }
    DatanodeProtocol namenode = dn.getBPNamenode(POOL_ID);
    verify(namenode, never()).commitBlockSynchronization(
        any(ExtendedBlock.class), anyLong(), anyLong(), anyBoolean(),
        anyBoolean(), any(DatanodeID[].class));
  }
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Examples of org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol

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        dn.syncBlock(rBlock, initBlockRecords(dn));
        fail("Sync should fail");
      } catch (IOException e) {
        e.getMessage().startsWith("Cannot recover ");
      }
      DatanodeProtocol namenode = dn.getBPNamenode(POOL_ID);
      verify(namenode, never()).commitBlockSynchronization(
          any(ExtendedBlock.class), anyLong(), anyLong(), anyBoolean(),
          anyBoolean(), any(DatanodeID[].class));
    } finally {
      streams.close();
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Examples of org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol

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              "\n   Data-node missed a distributed upgrade and will shutdown."
            + "\n   " + getDescription() + "."
            + " Name-node version = " + nsInfo.getLayoutVersion() + ".";
    DataNode.LOG.fatal( errorMsg );
    String bpid = nsInfo.getBlockPoolID();
    DatanodeProtocol nn = dataNode.getBPNamenode(bpid);
    try {
      nn.errorReport(dataNode.getDNRegistrationForBP(bpid),
                                    DatanodeProtocol.NOTIFY, errorMsg);
    } catch(SocketTimeoutException e) {  // namenode is busy
      DataNode.LOG.info("Problem connecting to server: "
                        + dataNode.getNameNodeAddr(nsInfo.getBlockPoolID()));
    }
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