Package org.apache.hadoop.hdfs.server.protocol

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

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  @Override // NamenodeProtocol
  public NamenodeRegistration registerSubordinateNamenode(
      NamenodeRegistration registration) throws IOException {
    namesystem.checkSuperuserPrivilege();
    verifyLayoutVersion(registration.getVersion());
    NamenodeRegistration myRegistration = nn.setRegistration();
    namesystem.registerBackupNode(registration, myRegistration);
    return myRegistration;
  }
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        .setRpcAddress(reg.getAddress())
        .setStorageInfo(convert((StorageInfo) reg)).build();
  }

  public static NamenodeRegistration convert(NamenodeRegistrationProto reg) {
    return new NamenodeRegistration(reg.getRpcAddress(), reg.getHttpAddress(),
        convert(reg.getStorageInfo()), convert(reg.getRole()));
  }
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      storage.setClusterID(nsInfo.getClusterID());
    } else {
      nsInfo.validateStorage(storage);
    }
    setRegistration();
    NamenodeRegistration nnReg = null;
    while(!isStopRequested()) {
      try {
        nnReg = namenode.register(getRegistration());
        break;
      } catch(SocketTimeoutException e) {  // name-node is busy
        LOG.info("Problem connecting to name-node: " + nnRpcAddress);
        try {
          Thread.sleep(1000);
        } catch (InterruptedException ie) {
          LOG.warn("Encountered exception ", e);
        }
      }
    }

    String msg = null;
    if(nnReg == null) // consider as a rejection
      msg = "Registration rejected by " + nnRpcAddress;
    else if(!nnReg.isRole(NamenodeRole.NAMENODE)) {
      msg = "Name-node " + nnRpcAddress + " is not active";
    }
    if(msg != null) {
      msg += ". Shutting down.";
      LOG.error(msg);
      throw new IOException(msg); // stop the node
    }
    nnRpcAddress = nnReg.getAddress();
  }
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        .setRpcAddress(reg.getAddress())
        .setStorageInfo(convert((StorageInfo) reg)).build();
  }

  public static NamenodeRegistration convert(NamenodeRegistrationProto reg) {
    return new NamenodeRegistration(reg.getRpcAddress(), reg.getHttpAddress(),
        convert(reg.getStorageInfo()), convert(reg.getRole()));
  }
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  }

  @Override
  public RegisterResponseProto register(RpcController unused,
      RegisterRequestProto request) throws ServiceException {
    NamenodeRegistration reg;
    try {
      reg = impl.register(PBHelper.convert(request.getRegistration()));
    } catch (IOException e) {
      throw new ServiceException(e);
    }
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  @Override // NamenodeProtocol
  public NamenodeRegistration register(NamenodeRegistration registration)
  throws IOException {
    verifyLayoutVersion(registration.getVersion());
    NamenodeRegistration myRegistration = nn.setRegistration();
    namesystem.registerBackupNode(registration, myRegistration);
    return myRegistration;
  }
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  NamenodeRegistration getRegistration() {
    return nodeRegistration;
  }

  NamenodeRegistration setRegistration() {
    nodeRegistration = new NamenodeRegistration(
        NetUtils.getHostPortString(rpcServer.getRpcAddress()),
        NetUtils.getHostPortString(getHttpAddress()),
        getFSImage().getStorage(), getRole());
    return nodeRegistration;
  }
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    } else {
      nsInfo.validateStorage(storage);
    }
    bnImage.initEditLog(StartupOption.REGULAR);
    setRegistration();
    NamenodeRegistration nnReg = null;
    while(!isStopRequested()) {
      try {
        nnReg = namenode.registerSubordinateNamenode(getRegistration());
        break;
      } catch(SocketTimeoutException e) {  // name-node is busy
        LOG.info("Problem connecting to name-node: " + nnRpcAddress);
        try {
          Thread.sleep(1000);
        } catch (InterruptedException ie) {
          LOG.warn("Encountered exception ", e);
        }
      }
    }

    String msg = null;
    if(nnReg == null) // consider as a rejection
      msg = "Registration rejected by " + nnRpcAddress;
    else if(!nnReg.isRole(NamenodeRole.NAMENODE)) {
      msg = "Name-node " + nnRpcAddress + " is not active";
    }
    if(msg != null) {
      msg += ". Shutting down.";
      LOG.error(msg);
      throw new IOException(msg); // stop the node
    }
    nnRpcAddress = nnReg.getAddress();
  }
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        .setStorageInfo(convert((StorageInfo) reg)).build();
  }

  public static NamenodeRegistration convert(NamenodeRegistrationProto reg) {
    StorageInfo si = convert(reg.getStorageInfo(), NodeType.NAME_NODE);
    return new NamenodeRegistration(reg.getRpcAddress(), reg.getHttpAddress(),
        si, convert(reg.getRole()));
  }
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  }

  @Test
  public void testConvertNamenodeRegistration() {
    StorageInfo info = getStorageInfo();
    NamenodeRegistration reg = new NamenodeRegistration("address:999",
        "http:1000", info, NamenodeRole.NAMENODE);
    NamenodeRegistrationProto regProto = PBHelper.convert(reg);
    NamenodeRegistration reg2 = PBHelper.convert(regProto);
    assertEquals(reg.getAddress(), reg2.getAddress());
    assertEquals(reg.getClusterID(), reg2.getClusterID());
    assertEquals(reg.getCTime(), reg2.getCTime());
    assertEquals(reg.getHttpAddress(), reg2.getHttpAddress());
    assertEquals(reg.getLayoutVersion(), reg2.getLayoutVersion());
    assertEquals(reg.getNamespaceID(), reg2.getNamespaceID());
    assertEquals(reg.getRegistrationID(), reg2.getRegistrationID());
    assertEquals(reg.getRole(), reg2.getRole());
    assertEquals(reg.getVersion(), reg2.getVersion());

  }
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Related Classes of org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration

  • org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolServerSideTranslatorPB
  • org.apache.hadoop.hdfs.protocolPB.PBHelper
  • org.apache.hadoop.hdfs.protocolPB.TestPBHelper
  • org.apache.hadoop.hdfs.server.namenode.BackupNode
  • org.apache.hadoop.hdfs.server.namenode.FSEditLog
  • org.apache.hadoop.hdfs.server.namenode.NameNode
  • org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer
  • org.apache.hadoop.hdfs.server.namenode.TestBackupNode
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