@Override
public int fromStream(final byte[] content, int offset) {
final int size = OIntegerSerializer.INSTANCE.deserializeNative(content, offset);
offset += OIntegerSerializer.INT_SIZE;
dirtyPages = new HashSet<ODirtyPage>();
for (int i = 0; i < size; i++) {
long pageIndex = OLongSerializer.INSTANCE.deserializeNative(content, offset);
offset += OLongSerializer.LONG_SIZE;
String fileName = stringSerializer.deserializeNativeObject(content, offset);
offset += stringSerializer.getObjectSize(fileName);
long segment = OLongSerializer.INSTANCE.deserializeNative(content, offset);
offset += OLongSerializer.LONG_SIZE;
long position = OLongSerializer.INSTANCE.deserializeNative(content, offset);
offset += OLongSerializer.LONG_SIZE;
dirtyPages.add(
new ODirtyPage(fileName, pageIndex, new OLogSequenceNumber(segment, position)));
}
return offset;
}
@Override
public int fromStream(byte[] content, int offset) {
offset = super.fromStream(content, offset);
pageIndex = OLongSerializer.INSTANCE.deserializeNative(content, offset);
offset += OLongSerializer.LONG_SIZE;
fileId = OLongSerializer.INSTANCE.deserializeNative(content, offset);
offset += OLongSerializer.LONG_SIZE;
return offset;
}
@Override
public int fromStream(byte[] content, int offset) {
offset = super.fromStream(content, offset);
fileName = OStringSerializer.INSTANCE.deserializeNativeObject(content, offset);
offset += OStringSerializer.INSTANCE.getObjectSize(fileName);
fileId = OLongSerializer.INSTANCE.deserializeNative(content, offset);
offset += OLongSerializer.LONG_SIZE;
return offset;
}
public OPageDataVerificationError[] checkStoredPages(
OCommandOutputListener commandOutputListener) {
final int notificationTimeOut = 5000;
final List<OPageDataVerificationError> errors = new ArrayList<OPageDataVerificationError>();
synchronized (syncObject) {
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()]);
}
}
