Package org.apache.hadoop.io

Examples of org.apache.hadoop.io.DataInputByteBuffer

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    jobToken.write(jobToken_dob);
    return ByteBuffer.wrap(jobToken_dob.getData(), 0, jobToken_dob.getLength());
  }

  static Token<JobTokenIdentifier> deserializeServiceData(ByteBuffer secret) throws IOException {
    DataInputByteBuffer in = new DataInputByteBuffer();
    in.reset(secret);
    Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>();
    jt.readFields(in);
    return jt;
  }
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    // //////////// Parse credentials
    ByteBuffer tokens = launchContext.getContainerTokens();
    Credentials credentials = new Credentials();
    if (tokens != null) {
      DataInputByteBuffer buf = new DataInputByteBuffer();
      tokens.rewind();
      buf.reset(tokens);
      try {
        credentials.readTokenStorageStream(buf);
        if (LOG.isDebugEnabled()) {
          for (Token<? extends TokenIdentifier> tk : credentials
              .getAllTokens()) {
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  public static Credentials convertByteStringToCredentials(ByteString byteString) {
    if (byteString == null) {
      return null;
    }
    DataInputByteBuffer dib = new DataInputByteBuffer();
    dib.reset(byteString.asReadOnlyByteBuffer());
    Credentials credentials = new Credentials();
    try {
      credentials.readTokenStorageStream(dib);
      return credentials;
    } catch (IOException e) {
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        this.throwErrorOnAbort = throwErrorOnAbort;
        this.throwRuntimeException = throwRuntimeException;
      }

      public CountingOutputCommitterConfig(UserPayload payload) throws IOException {
        DataInputByteBuffer in  = new DataInputByteBuffer();
        in.reset(payload.getPayload());
        this.readFields(in);
      }
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            credentials);

    Assert.assertEquals("ACLs mismatch", acls, launchCtx.getApplicationACLs());
    Credentials launchCredentials = new Credentials();

    DataInputByteBuffer dibb = new DataInputByteBuffer();
    dibb.reset(launchCtx.getContainerTokens());
    launchCredentials.readTokenStorageStream(dibb);

    // verify all tokens specified for the task attempt are in the launch context
    for (Token<? extends TokenIdentifier> token : credentials.getAllTokens()) {
      Token<? extends TokenIdentifier> launchToken =
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          UserGroupInformation currentUser = UserGroupInformation.getCurrentUser();
          ByteBuffer tokens = appContext.getAMContainerSpec().getTokens();

          if (tokens != null) {
            Credentials amCredentials = new Credentials();
            DataInputByteBuffer dibb = new DataInputByteBuffer();
            dibb.reset(tokens);
            amCredentials.readTokenStorageStream(dibb);
            tokens.rewind();
            currentUser.addCredentials(amCredentials);
          }
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  private static final Log LOG = LogFactory.getLog(ShuffleUtils.class);
  public static String SHUFFLE_HANDLER_SERVICE_ID = "mapreduce_shuffle";

  public static SecretKey getJobTokenSecretFromTokenBytes(ByteBuffer meta)
      throws IOException {
    DataInputByteBuffer in = new DataInputByteBuffer();
    in.reset(meta);
    Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>();
    jt.readFields(in);
    SecretKey sk = JobTokenSecretManager.createSecretKey(jt.getPassword());
    return sk;
  }
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    return bb;
  }

  public static int deserializeShuffleProviderMetaData(ByteBuffer meta)
      throws IOException {
    DataInputByteBuffer in = new DataInputByteBuffer();
    try {
      in.reset(meta);
      int port = in.readInt();
      return port;
    } finally {
      in.close();
    }
  }
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   * @param meta the metadata returned by the ShuffleHandler
   * @return the port the Shuffle Handler is listening on to serve shuffle data.
   */
  public static int deserializeMetaData(ByteBuffer meta) throws IOException {
    //TODO this should be returning a class not just an int
    DataInputByteBuffer in = new DataInputByteBuffer();
    in.reset(meta);
    int port = in.readInt();
    return port;
  }
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    jobToken.write(jobToken_dob);
    return ByteBuffer.wrap(jobToken_dob.getData(), 0, jobToken_dob.getLength());
  }

  static Token<JobTokenIdentifier> deserializeServiceData(ByteBuffer secret) throws IOException {
    DataInputByteBuffer in = new DataInputByteBuffer();
    in.reset(secret);
    Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>();
    jt.readFields(in);
    return jt;
  }
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Related Classes of org.apache.hadoop.io.DataInputByteBuffer

  • org.apache.hadoop.mapred.ShuffleHandler
  • org.apache.hadoop.mapreduce.v2.app.job.impl.TestTaskAttempt
  • org.apache.hadoop.mapreduce.v2.app.job.impl.TestTaskAttemptContainerRequest
  • org.apache.hadoop.yarn.client.api.impl.TestYarnClient
  • org.apache.hadoop.yarn.client.api.impl.YarnClientImpl
  • org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl
  • org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher
  • org.apache.hadoop.yarn.server.resourcemanager.recovery.FileSystemRMStateStore
  • org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore
  • org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore
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