Package org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos

Examples of org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto

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              throw new IOException("Bad response " + reply + " for block "
                  + block + " from datanode " + datanodes[j]);
            }
          }
         
          OpBlockChecksumResponseProto checksumData =
            reply.getChecksumResponse();

          //read byte-per-checksum
          final int bpc = checksumData.getBytesPerCrc();
          if (i == 0) { //first block
            bytesPerCRC = bpc;
          }
          else if (bpc != bytesPerCRC) {
            throw new IOException("Byte-per-checksum not matched: bpc=" + bpc
                + " but bytesPerCRC=" + bytesPerCRC);
          }
         
          //read crc-per-block
          final long cpb = checksumData.getCrcPerBlock();
          if (locatedblocks.size() > 1 && i == 0) {
            crcPerBlock = cpb;
          }

          //read md5
          final MD5Hash md5 = new MD5Hash(
              checksumData.getMd5().toByteArray());
          md5.write(md5out);
         
          // read crc-type
          final DataChecksum.Type ct;
          if (checksumData.hasCrcType()) {
            ct = PBHelper.convert(checksumData
                .getCrcType());
          } else {
            LOG.debug("Retrieving checksum from an earlier-version DataNode: " +
                      "inferring checksum by reading first byte");
            ct = inferChecksumTypeByReading(
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              throw new IOException("Bad response " + reply + " for block "
                  + block + " from datanode " + datanodes[j]);
            }
          }
         
          OpBlockChecksumResponseProto checksumData =
            reply.getChecksumResponse();

          //read byte-per-checksum
          final int bpc = checksumData.getBytesPerCrc();
          if (i == 0) { //first block
            bytesPerCRC = bpc;
          }
          else if (bpc != bytesPerCRC) {
            throw new IOException("Byte-per-checksum not matched: bpc=" + bpc
                + " but bytesPerCRC=" + bytesPerCRC);
          }
         
          //read crc-per-block
          final long cpb = checksumData.getCrcPerBlock();
          if (locatedblocks.size() > 1 && i == 0) {
            crcPerBlock = cpb;
          }

          //read md5
          final MD5Hash md5 = new MD5Hash(
              checksumData.getMd5().toByteArray());
          md5.write(md5out);
         
          // read crc-type
          final DataChecksum.Type ct = HdfsProtoUtil.
              fromProto(checksumData.getCrcType());
          if (i == 0) { // first block
            crcType = ct;
          } else if (crcType != DataChecksum.Type.MIXED
              && crcType != ct) {
            // if crc types are mixed in a file
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              throw new IOException("Bad response " + reply + " for block "
                  + block + " from datanode " + datanodes[j]);
            }
          }
         
          OpBlockChecksumResponseProto checksumData =
            reply.getChecksumResponse();

          //read byte-per-checksum
          final int bpc = checksumData.getBytesPerCrc();
          if (i == 0) { //first block
            bytesPerCRC = bpc;
          }
          else if (bpc != bytesPerCRC) {
            throw new IOException("Byte-per-checksum not matched: bpc=" + bpc
                + " but bytesPerCRC=" + bytesPerCRC);
          }
         
          //read crc-per-block
          final long cpb = checksumData.getCrcPerBlock();
          if (locatedblocks.size() > 1 && i == 0) {
            crcPerBlock = cpb;
          }

          //read md5
          final MD5Hash md5 = new MD5Hash(
              checksumData.getMd5().toByteArray());
          md5.write(md5out);
         
          // read crc-type
          final DataChecksum.Type ct;
          if (checksumData.hasCrcType()) {
            ct = PBHelper.convert(checksumData
                .getCrcType());
          } else {
            LOG.debug("Retrieving checksum from an earlier-version DataNode: " +
                      "inferring checksum by reading first byte");
            ct = inferChecksumTypeByReading(
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              throw new IOException("Bad response " + reply + " for block "
                  + block + " from datanode " + datanodes[j]);
            }
          }
         
          OpBlockChecksumResponseProto checksumData =
            reply.getChecksumResponse();

          //read byte-per-checksum
          final int bpc = checksumData.getBytesPerCrc();
          if (i == 0) { //first block
            bytesPerCRC = bpc;
          }
          else if (bpc != bytesPerCRC) {
            throw new IOException("Byte-per-checksum not matched: bpc=" + bpc
                + " but bytesPerCRC=" + bytesPerCRC);
          }
         
          //read crc-per-block
          final long cpb = checksumData.getCrcPerBlock();
          if (locatedblocks.size() > 1 && i == 0) {
            crcPerBlock = cpb;
          }

          //read md5
          final MD5Hash md5 = new MD5Hash(
              checksumData.getMd5().toByteArray());
          md5.write(md5out);
         
          // read crc-type
          final DataChecksum.Type ct;
          if (checksumData.hasCrcType()) {
            ct = PBHelper.convert(checksumData
                .getCrcType());
          } else {
            LOG.debug("Retrieving checksum from an earlier-version DataNode: " +
                      "inferring checksum by reading first byte");
            ct = inferChecksumTypeByReading(
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              throw new IOException("Bad response " + reply + " for block "
                  + block + " from datanode " + datanodes[j].getName());
            }
          }
         
          OpBlockChecksumResponseProto checksumData =
            reply.getChecksumResponse();

          //read byte-per-checksum
          final int bpc = checksumData.getBytesPerCrc();
          if (i == 0) { //first block
            bytesPerCRC = bpc;
          }
          else if (bpc != bytesPerCRC) {
            throw new IOException("Byte-per-checksum not matched: bpc=" + bpc
                + " but bytesPerCRC=" + bytesPerCRC);
          }
         
          //read crc-per-block
          final long cpb = checksumData.getCrcPerBlock();
          if (locatedblocks.size() > 1 && i == 0) {
            crcPerBlock = cpb;
          }

          //read md5
          final MD5Hash md5 = new MD5Hash(
              checksumData.getMd5().toByteArray());
          md5.write(md5out);

          // read crc-type
          final DataChecksum.Type ct = HdfsProtoUtil.
              fromProto(checksumData.getCrcType());
          if (i == 0) { // first block
            crcType = ct;
          } else if (crcType != DataChecksum.Type.MIXED
              && crcType != ct) {
            // if crc types are mixed in a file
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              throw new IOException("Bad response " + reply + " for block "
                  + block + " from datanode " + datanodes[j]);
            }
          }
         
          OpBlockChecksumResponseProto checksumData =
            reply.getChecksumResponse();

          //read byte-per-checksum
          final int bpc = checksumData.getBytesPerCrc();
          if (i == 0) { //first block
            bytesPerCRC = bpc;
          }
          else if (bpc != bytesPerCRC) {
            throw new IOException("Byte-per-checksum not matched: bpc=" + bpc
                + " but bytesPerCRC=" + bytesPerCRC);
          }
         
          //read crc-per-block
          final long cpb = checksumData.getCrcPerBlock();
          if (locatedblocks.size() > 1 && i == 0) {
            crcPerBlock = cpb;
          }

          //read md5
          final MD5Hash md5 = new MD5Hash(
              checksumData.getMd5().toByteArray());
          md5.write(md5out);
         
          // read crc-type
          final DataChecksum.Type ct;
          if (checksumData.hasCrcType()) {
            ct = PBHelper.convert(checksumData
                .getCrcType());
          } else {
            LOG.debug("Retrieving checksum from an earlier-version DataNode: " +
                      "inferring checksum by reading first byte");
            ct = inferChecksumTypeByReading(
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              throw new IOException("Bad response " + reply + " for block "
                  + block + " from datanode " + datanodes[j]);
            }
          }
         
          OpBlockChecksumResponseProto checksumData =
            reply.getChecksumResponse();

          //read byte-per-checksum
          final int bpc = checksumData.getBytesPerCrc();
          if (i == 0) { //first block
            bytesPerCRC = bpc;
          }
          else if (bpc != bytesPerCRC) {
            throw new IOException("Byte-per-checksum not matched: bpc=" + bpc
                + " but bytesPerCRC=" + bytesPerCRC);
          }
         
          //read crc-per-block
          final long cpb = checksumData.getCrcPerBlock();
          if (locatedblocks.size() > 1 && i == 0) {
            crcPerBlock = cpb;
          }

          //read md5
          final MD5Hash md5 = new MD5Hash(
              checksumData.getMd5().toByteArray());
          md5.write(md5out);
         
          done = true;

          if (LOG.isDebugEnabled()) {
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              throw new IOException("Bad response " + reply + " for block "
                  + block + " from datanode " + datanodes[j]);
            }
          }
         
          OpBlockChecksumResponseProto checksumData =
            reply.getChecksumResponse();

          //read byte-per-checksum
          final int bpc = checksumData.getBytesPerCrc();
          if (i == 0) { //first block
            bytesPerCRC = bpc;
          }
          else if (bpc != bytesPerCRC) {
            throw new IOException("Byte-per-checksum not matched: bpc=" + bpc
                + " but bytesPerCRC=" + bytesPerCRC);
          }
         
          //read crc-per-block
          final long cpb = checksumData.getCrcPerBlock();
          if (locatedblocks.size() > 1 && i == 0) {
            crcPerBlock = cpb;
          }

          //read md5
          final MD5Hash md5 = new MD5Hash(
              checksumData.getMd5().toByteArray());
          md5.write(md5out);
         
          // read crc-type
          final DataChecksum.Type ct;
          if (checksumData.hasCrcType()) {
            ct = PBHelper.convert(checksumData
                .getCrcType());
          } else {
            LOG.debug("Retrieving checksum from an earlier-version DataNode: " +
                      "inferring checksum by reading first byte");
            ct = inferChecksumTypeByReading(
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              throw new IOException("Bad response " + reply + " for block "
                  + block + " from datanode " + datanodes[j].getName());
            }
          }
         
          OpBlockChecksumResponseProto checksumData =
            reply.getChecksumResponse();

          //read byte-per-checksum
          final int bpc = checksumData.getBytesPerCrc();
          if (i == 0) { //first block
            bytesPerCRC = bpc;
          }
          else if (bpc != bytesPerCRC) {
            throw new IOException("Byte-per-checksum not matched: bpc=" + bpc
                + " but bytesPerCRC=" + bytesPerCRC);
          }
         
          //read crc-per-block
          final long cpb = checksumData.getCrcPerBlock();
          if (locatedblocks.size() > 1 && i == 0) {
            crcPerBlock = cpb;
          }

          //read md5
          final MD5Hash md5 = new MD5Hash(
              checksumData.getMd5().toByteArray());
          md5.write(md5out);
         
          done = true;

          if (LOG.isDebugEnabled()) {
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              throw new IOException("Bad response " + reply + " for block "
                  + block + " from datanode " + datanodes[j]);
            }
          }
         
          OpBlockChecksumResponseProto checksumData =
            reply.getChecksumResponse();

          //read byte-per-checksum
          final int bpc = checksumData.getBytesPerCrc();
          if (i == 0) { //first block
            bytesPerCRC = bpc;
          }
          else if (bpc != bytesPerCRC) {
            throw new IOException("Byte-per-checksum not matched: bpc=" + bpc
                + " but bytesPerCRC=" + bytesPerCRC);
          }
         
          //read crc-per-block
          final long cpb = checksumData.getCrcPerBlock();
          if (locatedblocks.size() > 1 && i == 0) {
            crcPerBlock = cpb;
          }

          //read md5
          final MD5Hash md5 = new MD5Hash(
              checksumData.getMd5().toByteArray());
          md5.write(md5out);
         
          // read crc-type
          final DataChecksum.Type ct;
          if (checksumData.hasCrcType()) {
            ct = PBHelper.convert(checksumData
                .getCrcType());
          } else {
            LOG.debug("Retrieving checksum from an earlier-version DataNode: " +
                      "inferring checksum by reading first byte");
            ct = inferChecksumTypeByReading(
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Related Classes of org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto

  • org.apache.hadoop.hdfs.DFSClient
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