Examples of java.util.zip.Checksum.reset()

java.util.zip.Checksum.reset()
Resets the checksum to its initial value.

      }
      cksumOffset += HFileBlock.CHECKSUM_SIZE;
      bytesLeft -= count; 
      off += count;
      consumed = 0;
      checksumObject.reset();
    }
    return true; // checksum is valid
  }


  /**

View Full Code Here

          c2.update(b);
          break;
        case 2:
          // reset()
          c1.reset();
          c2.reset();
          break;
        case 3:
          // getValue()
          assertEquals(c1.getValue(), c2.getValue());
          break;

View Full Code Here

                        // writeUTF/writeWithShortLength) and 4 bytes for column count.
                        // This prevents CRC by being fooled by special-case garbage in the file; see CASSANDRA-2128
                        if (serializedSize < 10)
                            break;
                        long claimedSizeChecksum = reader.readLong();
                        checksum.reset();
                        checksum.update(serializedSize);
                        if (checksum.getValue() != claimedSizeChecksum)
                            break; // entry wasn't synced correctly/fully.  that's ok.


                        if (serializedSize > bytes.length)

View Full Code Here

        generateAsciiRecord(row, rand, recordNumber);
      } else {
        generateRecord(row, rand, recordNumber);
      }
      if (checksum != null) {
        crc.reset();
        crc.update(row, 0, row.length);
        tmp.set(crc.getValue());
        checksum.add(tmp);
      }
      recordNumber.add(ONE);

View Full Code Here

    }
    indexFile.createNewFile();
    FSDataOutputStream output = FileSystem.getLocal(conf).getRaw().append(
        new Path(indexFile.getAbsolutePath()));
    Checksum crc = new PureJavaCrc32();
    crc.reset();
    CheckedOutputStream chk = new CheckedOutputStream(output, crc);
    String msg = "Writing new index file. This file will be used only " +
        "for the testing.";
    chk.write(Arrays.copyOf(msg.getBytes(),
        MapTask.MAP_OUTPUT_INDEX_RECORD_LENGTH));

View Full Code Here

                        // writeUTF/writeWithShortLength) and 4 bytes for column count.
                        // This prevents CRC by being fooled by special-case garbage in the file; see CASSANDRA-2128
                        if (serializedSize < 10)
                            break;
                        long claimedSizeChecksum = reader.readLong();
                        checksum.reset();
                        checksum.update(serializedSize);
                        if (checksum.getValue() != claimedSizeChecksum)
                            break; // entry wasn't synced correctly/fully.  that's ok.


                        if (serializedSize > bytes.length)

View Full Code Here

    throws IOException {
    
    PrintStream ps = out instanceof PrintStream ? (PrintStream)out : null;
    byte buf[] = new byte[buffSize];
    Checksum sum = new NativeCrc32();
    sum.reset();
    try {
      if (throttler != null) {
        throttler.throttle((long) buffSize);
      }
      int bytesRead = in.read(buf);

View Full Code Here

      buf.writeByte(op.opCode.getOpCode());
      buf.writeLong(op.txid);
      op.writeFields(buf);
      int end = buf.getLength();
      Checksum checksum = FSEditLog.getChecksumForWrite();
      checksum.reset();
      checksum.update(buf.getData(), start, end-start);
      int sum = (int)checksum.getValue();
      buf.writeInt(sum);
    }

View Full Code Here

      os.writeByte(op.opCode.getOpCode());
      os.writeLong(op.txid);
      // write op fields
      op.writeFields(os);
      Checksum checksum = FSEditLog.getChecksumForWrite();
      checksum.reset();
      checksum.update(os.getBytes(), 0, os.size());
      int sum = (int)checksum.getValue();
      os.writeInt(sum);
    }
  }

View Full Code Here

0 1 2 3

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.