Examples of OFileClassic

com.orientechnologies.orient.core.storage.fs.OFileClassic
Need to be synchronized by the external. Multiple Reader, Single Writer.
Header structure:

+-----------+--------------+---------------+---------------+
| FILE SIZE | FILLED UP TO | SOFTLY CLOSED | SECURITY CODE |
| 8 bytes . | 8 bytes .... | 1 byte ...... | 32 bytes .... |
+-----------+--------------+---------------+---------------+
= 1024 bytes

Examples of com.orientechnologies.orient.core.storage.fs.OFileClassic


    filesLock.acquireWriteLock();
    try {
      for (long fileId : files.keySet()) {


        OFileClassic fileClassic = files.get(fileId);


        boolean fileIsCorrect;
        try {


          if (commandOutputListener != null)
            commandOutputListener.onMessage("Flashing file " + fileClassic.getName() + "... ");


          flush(fileId);


          if (commandOutputListener != null)
            commandOutputListener.onMessage("Start verification of content of " + fileClassic.getName() + "file ...");


          long time = System.currentTimeMillis();


          long filledUpTo = fileClassic.getFilledUpTo();
          fileIsCorrect = true;


          for (long pos = 0; pos < filledUpTo; pos += pageSize) {
            boolean checkSumIncorrect = false;
            boolean magicNumberIncorrect = false;


            byte[] data = new byte[pageSize];


            fileClassic.read(pos, data, data.length);


            long magicNumber = OLongSerializer.INSTANCE.deserializeNative(data, 0);


            if (magicNumber != MAGIC_NUMBER) {
              magicNumberIncorrect = true;
              if (commandOutputListener != null)
                commandOutputListener.onMessage("Error: Magic number for page " + (pos / pageSize) + " in file "
                    + fileClassic.getName() + " does not much !!!");
              fileIsCorrect = false;
            }


            final int storedCRC32 = OIntegerSerializer.INSTANCE.deserializeNative(data, OLongSerializer.LONG_SIZE);


            final int calculatedCRC32 = calculatePageCrc(data);
            if (storedCRC32 != calculatedCRC32) {
              checkSumIncorrect = true;
              if (commandOutputListener != null)
                commandOutputListener.onMessage("Error: Checksum for page " + (pos / pageSize) + " in file "
                    + fileClassic.getName() + " is incorrect !!!");
              fileIsCorrect = false;
            }


            if (magicNumberIncorrect || checkSumIncorrect)
              errors.add(new OPageDataVerificationError(magicNumberIncorrect, checkSumIncorrect, pos / pageSize, fileClassic
                  .getName()));


            if (commandOutputListener != null && System.currentTimeMillis() - time > notificationTimeOut) {
              time = notificationTimeOut;
              commandOutputListener.onMessage((pos / pageSize) + " pages were processed ...");
            }
          }
        } catch (IOException ioe) {
          if (commandOutputListener != null)
            commandOutputListener.onMessage("Error: Error during processing of file " + fileClassic.getName() + ". "
                + ioe.getMessage());


          fileIsCorrect = false;
        }


        if (!fileIsCorrect) {
          if (commandOutputListener != null)
            commandOutputListener.onMessage("Verification of file " + fileClassic.getName() + " is finished with errors.");
        } else {
          if (commandOutputListener != null)
            commandOutputListener.onMessage("Verification of file " + fileClassic.getName() + " is successfully finished.");
        }
      }


      return errors.toArray(new OPageDataVerificationError[errors.size()]);
    } finally {

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Examples of com.orientechnologies.orient.core.storage.fs.OFileClassic

      readNameIdMap();
    }
  }


  private OFileClassic createFile(String fileName) {
    OFileClassic fileClassic = new OFileClassic();
    String path = storageLocal.getVariableParser().resolveVariables(storageLocal.getStoragePath() + File.separator + fileName);
    fileClassic.init(path, storageLocal.getMode());
    return fileClassic;
  }

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Examples of com.orientechnologies.orient.core.storage.fs.OFileClassic

    if (localFileCounter > 0)
      fileCounter = localFileCounter;


    for (Map.Entry<String, Long> nameIdEntry : nameIdMap.entrySet()) {
      if (!files.containsKey(nameIdEntry.getValue())) {
        OFileClassic fileClassic = createFile(nameIdEntry.getKey());
        files.put(nameIdEntry.getValue(), fileClassic);
      }
    }
  }

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Examples of com.orientechnologies.orient.core.storage.fs.OFileClassic


  private String doDeleteFile(long fileId) throws IOException {
    if (isOpen(fileId))
      truncateFile(fileId);


    final OFileClassic fileClassic = files.remove(fileId);


    String name = null;
    if (fileClassic != null) {
      name = fileClassic.getName();


      if (fileClassic.exists())
        fileClassic.delete();
    }


    return name;
  }

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Examples of com.orientechnologies.orient.core.storage.fs.OFileClassic

    final long startPosition = pageIndex * pageSize;
    final long endPosition = startPosition + pageSize;


    byte[] content = new byte[pageSize + 2 * PAGE_PADDING];
    OCachePointer dataPointer;
    final OFileClassic fileClassic = files.get(fileId);


    if (fileClassic == null)
      throw new IllegalArgumentException("File with id " + fileId + " not found in WOW Cache");


    if (fileClassic.getFilledUpTo() >= endPosition) {
      fileClassic.read(startPosition, content, content.length - 2 * PAGE_PADDING, PAGE_PADDING);
      final ODirectMemoryPointer pointer = new ODirectMemoryPointer(content);


      final OLogSequenceNumber storedLSN = ODurablePage.getLogSequenceNumberFromPage(pointer);
      dataPointer = new OCachePointer(pointer, storedLSN);
    } else {
      fileClassic.allocateSpace((int) (endPosition - fileClassic.getFilledUpTo()));


      final ODirectMemoryPointer pointer = new ODirectMemoryPointer(content);
      dataPointer = new OCachePointer(pointer, new OLogSequenceNumber(0, -1));
    }

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Examples of com.orientechnologies.orient.core.storage.fs.OFileClassic

  }


  private void updateFilePage(long pageIndex, long offset, byte[] value) throws IOException {
    String path = storageLocal.getConfiguration().getDirectory() + "/readWriteDiskCacheTest.tst";


    OFileClassic fileClassic = new OFileClassic();
    fileClassic.init(path, "rw");
    fileClassic.open();


    fileClassic.write(pageIndex * (8 + systemOffset) + offset, value, value.length, 0);
    fileClassic.synch();
    fileClassic.close();
  }

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Examples of com.orientechnologies.orient.core.storage.fs.OFileClassic

    OLongSerializer.INSTANCE.serializeNative(MAGIC_NUMBER, content, 0);


    final int crc32 = calculatePageCrc(content);
    OIntegerSerializer.INSTANCE.serializeNative(crc32, content, OLongSerializer.LONG_SIZE);


    final OFileClassic fileClassic = files.get(fileId);
    fileClassic.write(pageIndex * pageSize, content);


    if (syncOnPageFlush)
      fileClassic.synch();
  }

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Examples of com.orientechnologies.orient.core.storage.fs.OFileClassic

  }


  private void assertFile(long pageIndex, byte[] value, OLogSequenceNumber lsn) throws IOException {
    String path = storageLocal.getConfiguration().getDirectory() + "/readWriteDiskCacheTest.tst";


    OFileClassic fileClassic = new OFileClassic();
    fileClassic.init(path, "r");
    fileClassic.open();
    byte[] content = new byte[8 + systemOffset];
    fileClassic.read(pageIndex * (8 + systemOffset), content, 8 + systemOffset);


    Assert.assertEquals(Arrays.copyOfRange(content, systemOffset, 8 + systemOffset), value);


    long magicNumber = OLongSerializer.INSTANCE.deserializeNative(content, 0);


    Assert.assertEquals(magicNumber, OWOWCache.MAGIC_NUMBER);
    CRC32 crc32 = new CRC32();
    crc32.update(content, OIntegerSerializer.INT_SIZE + OLongSerializer.LONG_SIZE, content.length - OIntegerSerializer.INT_SIZE
        - OLongSerializer.LONG_SIZE);


    int crc = OIntegerSerializer.INSTANCE.deserializeNative(content, OLongSerializer.LONG_SIZE);
    Assert.assertEquals(crc, (int) crc32.getValue());


    long segment = OLongSerializer.INSTANCE.deserializeNative(content, ODurablePage.WAL_SEGMENT_OFFSET);
    long position = OLongSerializer.INSTANCE.deserializeNative(content, ODurablePage.WAL_POSITION_OFFSET);


    OLogSequenceNumber readLsn = new OLogSequenceNumber(segment, position);


    Assert.assertEquals(readLsn, lsn);


    fileClassic.close();
  }

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Examples of com.orientechnologies.orient.core.storage.fs.OFileClassic

  }


  private void validateFileContent(byte version, int k) throws IOException {
    String path = storageLocal.getConfiguration().getDirectory() + "/readWriteCacheTest" + k + ".tst";


    OFileClassic fileClassic = new OFileClassic();
    fileClassic.init(path, "r");
    fileClassic.open();


    for (int i = 0; i < PAGE_COUNT; i++) {
      byte[] content = new byte[8];
      fileClassic.read(i * (8 + systemOffset) + systemOffset, content, 8);


      Assert.assertEquals(content, new byte[] { version, 2, 3, seed, 5, 6, (byte) k, (byte) (i & 0xFF) }, " i = " + i);
    }
    fileClassic.close();
  }

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Examples of com.orientechnologies.orient.core.storage.fs.OFileClassic


@Test(enabled = false)
public class OClassicFileTest extends OFileAbstractTest {
  @Override
  protected OFile getFileImpl() throws IOException {
    return new OFileClassic().init(FILE_NAME, "rw");
  }

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