Package org.apache.hadoop.hdfs.protocol.DataTransferProtocol

Examples of org.apache.hadoop.hdfs.protocol.DataTransferProtocol.PipelineAck.readFields()

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            PipelineAck ack = new PipelineAck();
            try {
              if (!mirrorError) {
                // read an ack from downstream datanode
                ack.readFields(mirrorIn, numTargets);
                if (LOG.isDebugEnabled()) {
                  LOG.debug("PacketResponder " + numTargets + " got " + ack);
                }
                seqno = ack.getSeqno();
              }
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        while (!closed && clientRunning && !lastPacketInBlock) {
          // process responses from datanodes.
          try {
            // read an ack from the pipeline
            ack.readFields(blockReplyStream, targets.length);
            if (LOG.isDebugEnabled()) {
              LOG.debug("DFSClient " + ack);
            }
            long seqno = ack.getSeqno();
            if (seqno == PipelineAck.HEART_BEAT.getSeqno()) {
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                notifyAll();
              }
              // receive an ack if DN is not the last one in the pipeline
              if (numTargets > 0 && !localMirrorError) {
                // read an ack from downstream datanode
                ack.readFields(mirrorIn, numTargets);
                if (LOG.isDebugEnabled()) {
                  LOG.debug("PacketResponder " + numTargets +
                      " for block " + block + " got " + ack);
                }
                seqno = ack.getSeqno();
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        while (!closed && clientRunning && !lastPacketInBlock) {
          // process responses from datanodes.
          try {
            // read an ack from the pipeline
            ack.readFields(blockReplyStream, targets.length);
            if (LOG.isDebugEnabled()) {
              LOG.debug("DFSClient " + ack);
            }
            long seqno = ack.getSeqno();
            if (seqno == PipelineAck.HEART_BEAT.getSeqno()) {
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            long expected = -2;

            PipelineAck ack = new PipelineAck();
            try {
              // read an ack from downstream datanode
              ack.readFields(mirrorIn, numTargets);
              if (LOG.isDebugEnabled()) {
                LOG.debug("PacketResponder " + numTargets + " got " + ack);
              }
              long seqno = ack.getSeqno();
              didRead = true;
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        while (!closed && clientRunning && !lastPacketInBlock) {
          // process responses from datanodes.
          try {
            // read an ack from the pipeline
            ack.readFields(blockReplyStream);
            if (LOG.isDebugEnabled()) {
              LOG.debug("DFSClient for block " + block + " " + ack);
            }
           
            // processes response status from all datanodes.
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            PipelineAck ack = new PipelineAck();
            long seqno = -2;
            try {
              if (!mirrorError) {
                // read an ack from downstream datanode
                ack.readFields(mirrorIn);
                if (LOG.isDebugEnabled()) {
                  LOG.debug("PacketResponder " + numTargets +
                      " for block " + block + " got " + ack);
                }
                seqno = ack.getSeqno();
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        while (!closed && clientRunning && !lastPacketInBlock) {
          // process responses from datanodes.
          try {
            // read an ack from the pipeline
            ack.readFields(blockReplyStream);
            if (LOG.isDebugEnabled()) {
              LOG.debug("DFSClient for block " + block + " " + ack);
            }
            long seqno = ack.getSeqno();
            if (seqno == PipelineAck.HEART_BEAT.getSeqno()) {
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        while (!closed && clientRunning && !lastPacketInBlock) {
          // process responses from datanodes.
          try {
            // read an ack from the pipeline
            ack.readFields(blockReplyStream);
            if (LOG.isDebugEnabled()) {
              LOG.debug("DFSClient for block " + block + " " + ack);
            }
           
            // processes response status from all datanodes.
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                notifyAll();
              }
              // receive an ack if DN is not the last one in the pipeline
              if (numTargets > 0 && !localMirrorError) {
                // read an ack from downstream datanode
                ack.readFields(mirrorIn);
                if (LOG.isDebugEnabled()) {
                  LOG.debug("PacketResponder " + numTargets +
                      " for block " + block + " got " + ack);
                }
                seqno = ack.getSeqno();
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