Package org.apache.hadoop.hdfs.protocol

Examples of org.apache.hadoop.hdfs.protocol.DatanodeInfo.readFields()

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    boolean isRecovery = in.readBoolean(); // is this part of recovery?
    String client = Text.readString(in); // working on behalf of this client
    boolean hasSrcDataNode = in.readBoolean(); // is src node info present
    if (hasSrcDataNode) {
      srcDataNode = new DatanodeInfo();
      srcDataNode.readFields(in);
    }
    int numTargets = in.readInt();
    if (numTargets < 0) {
      throw new IOException("Mislabelled incoming datastream.");
    }
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      throw new IOException("Mislabelled incoming datastream.");
    }
    DatanodeInfo targets[] = new DatanodeInfo[numTargets];
    for (int i = 0; i < targets.length; i++) {
      DatanodeInfo tmp = new DatanodeInfo();
      tmp.readFields(in);
      targets[i] = tmp;
    }
    Token<BlockTokenIdentifier> accessToken = new Token<BlockTokenIdentifier>();
    accessToken.readFields(in);
    DataOutputStream replyOut = null;   // stream to prev target
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    long blockId = in.readLong();
    Block block = new Block(blockId, dataXceiverServer.estimateBlockSize,
        in.readLong()); // block id & generation stamp
    String sourceID = Text.readString(in); // read del hint
    DatanodeInfo proxySource = new DatanodeInfo(); // read proxy source
    proxySource.readFields(in);
    Token<BlockTokenIdentifier> accessToken = new Token<BlockTokenIdentifier>();
    accessToken.readFields(in);
    if (datanode.isBlockTokenEnabled) {
      try {
        datanode.blockTokenSecretManager.checkAccess(accessToken, null, block,
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    boolean isRecovery = in.readBoolean(); // is this part of recovery?
    String client = Text.readString(in); // working on behalf of this client
    boolean hasSrcDataNode = in.readBoolean(); // is src node info present
    if (hasSrcDataNode) {
      srcDataNode = new DatanodeInfo();
      srcDataNode.readFields(in);
    }
    int numTargets = in.readInt();
    if (numTargets < 0) {
      throw new IOException("Mislabelled incoming datastream.");
    }
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      throw new IOException("Mislabelled incoming datastream.");
    }
    DatanodeInfo targets[] = new DatanodeInfo[numTargets];
    for (int i = 0; i < targets.length; i++) {
      DatanodeInfo tmp = new DatanodeInfo();
      tmp.readFields(in);
      targets[i] = tmp;
    }

    DataOutputStream mirrorOut = null;  // stream to next target
    DataInputStream mirrorIn = null;    // reply from next target
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    long blockId = in.readLong();
    Block block = new Block(blockId, dataXceiverServer.estimateBlockSize,
        in.readLong()); // block id & generation stamp
    String sourceID = Text.readString(in); // read del hint
    DatanodeInfo proxySource = new DatanodeInfo(); // read proxy source
    proxySource.readFields(in);

    if (!dataXceiverServer.balanceThrottler.acquire()) { // not able to start
      LOG.warn("Not able to receive block " + blockId + " from "
          + s.getRemoteSocketAddress() + " because threads quota is exceeded.");
      sendResponse(s, (short)DataTransferProtocol.OP_STATUS_ERROR,
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    boolean isRecovery = in.readBoolean(); // is this part of recovery?
    String client = Text.readString(in); // working on behalf of this client
    boolean hasSrcDataNode = in.readBoolean(); // is src node info present
    if (hasSrcDataNode) {
      srcDataNode = new DatanodeInfo();
      srcDataNode.readFields(in);
    }
    int numTargets = in.readInt();
    if (numTargets < 0) {
      throw new IOException("Mislabelled incoming datastream.");
    }
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      throw new IOException("Mislabelled incoming datastream.");
    }
    DatanodeInfo targets[] = new DatanodeInfo[numTargets];
    for (int i = 0; i < targets.length; i++) {
      DatanodeInfo tmp = new DatanodeInfo();
      tmp.readFields(in);
      targets[i] = tmp;
    }
    Token<BlockTokenIdentifier> accessToken = new Token<BlockTokenIdentifier>();
    accessToken.readFields(in);
    DataOutputStream replyOut = null;   // stream to prev target
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    long blockId = in.readLong();
    Block block = new Block(blockId, dataXceiverServer.estimateBlockSize,
        in.readLong()); // block id & generation stamp
    String sourceID = Text.readString(in); // read del hint
    DatanodeInfo proxySource = new DatanodeInfo(); // read proxy source
    proxySource.readFields(in);
    Token<BlockTokenIdentifier> accessToken = new Token<BlockTokenIdentifier>();
    accessToken.readFields(in);
    if (datanode.isBlockTokenEnabled) {
      try {
        datanode.blockTokenSecretManager.checkAccess(accessToken, null, block,
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    boolean isRecovery = in.readBoolean(); // is this part of recovery?
    String client = Text.readString(in); // working on behalf of this client
    boolean hasSrcDataNode = in.readBoolean(); // is src node info present
    if (hasSrcDataNode) {
      srcDataNode = new DatanodeInfo();
      srcDataNode.readFields(in);
    }
    int numTargets = in.readInt();
    if (numTargets < 0) {
      throw new IOException("Mislabelled incoming datastream.");
    }
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