public static void assertEqualsBuffers(
final int size, final HornetQBuffer expected, final HornetQBuffer actual) {
// assertEquals(expected.length, actual.length);
expected.readerIndex(0);
actual.readerIndex(0);
for (int i = 0; i < size; i++) {
byte b1 = expected.readByte();
byte b2 = actual.readByte();
Assert.assertEquals("byte at index " + i, b1, b2);
}
expected.resetReaderIndex();
actual.resetReaderIndex();
}
public void decodeHeadersAndProperties(final HornetQBuffer buffer) {
messageID = buffer.readLong();
address = buffer.readNullableSimpleString();
if (buffer.readByte() == DataConstants.NOT_NULL) {
byte[] bytes = new byte[16];
buffer.readBytes(bytes);
userID = new UUID(UUID.TYPE_TIME_BASED, bytes);
} else {
userID = null;
}
type = buffer.readByte();
durable = buffer.readBoolean();
expiration = buffer.readLong();
timestamp = buffer.readLong();
priority = buffer.readByte();
properties.decode(buffer);
}
/**
* Large message version of {@link #assertMessageBody(int, ClientMessage)}.
*
* @param i
* @param message
*/
protected static void assertLargeMessageBody(final int i, final ClientMessage message) {
HornetQBuffer buffer = message.getBodyBuffer();
for (int j = 0; j < LARGE_MESSAGE_SIZE; j++) {
Assert.assertTrue(
"msg " + i + ", expecting " + LARGE_MESSAGE_SIZE + " bytes, got " + j, buffer.readable());
Assert.assertEquals("equal at " + j, UnitTestCase.getSamplebyte(j), buffer.readByte());
}
}
protected String readLine(HornetQBuffer in, int maxLength, String errorMessage)
throws IOException {
byte b;
ByteArrayOutputStream baos = new ByteArrayOutputStream(maxLength);
while ((b = in.readByte()) != '\n') {
if (baos.size() > maxLength) {
throw new StompException(errorMessage, true);
}
baos.write(b);
}
byte[] sequence = baos.toByteArray();
return new String(sequence, "UTF-8");
}
@Override
public void decodeRest(final HornetQBuffer buffer) {
synchronizationIsFinished = buffer.readBoolean();
allowsAutoFailBack = buffer.readBoolean();
nodeID = buffer.readString();
if (synchronizationIsFinished) {
return;
}
dataType = SyncDataType.getDataType(buffer.readByte());
int length = buffer.readInt();
ids = new long[length];
for (int i = 0; i < length; i++) {
ids[i] = buffer.readLong();
}
}
public synchronized List<PagedMessage> read(StorageManager storage) throws Exception {
if (isDebug) {
HornetQServerLogger.LOGGER.debug(
"reading page " + this.pageId + " on address = " + storeName);
}
if (!file.isOpen()) {
throw HornetQMessageBundle.BUNDLE.invalidPageIO();
}
ArrayList<PagedMessage> messages = new ArrayList<PagedMessage>();
size.set((int) file.size());
// Using direct buffer, as described on https://jira.jboss.org/browse/HORNETQ-467
ByteBuffer directBuffer = storage.allocateDirectBuffer((int) file.size());
try {
file.position(0);
file.read(directBuffer);
directBuffer.rewind();
HornetQBuffer fileBuffer = HornetQBuffers.wrappedBuffer(directBuffer);
fileBuffer.writerIndex(fileBuffer.capacity());
while (fileBuffer.readable()) {
final int position = fileBuffer.readerIndex();
byte byteRead = fileBuffer.readByte();
if (byteRead == Page.START_BYTE) {
if (fileBuffer.readerIndex() + DataConstants.SIZE_INT < fileBuffer.capacity()) {
int messageSize = fileBuffer.readInt();
int oldPos = fileBuffer.readerIndex();
if (fileBuffer.readerIndex() + messageSize < fileBuffer.capacity()
&& fileBuffer.getByte(oldPos + messageSize) == Page.END_BYTE) {
PagedMessage msg = new PagedMessageImpl();
msg.decode(fileBuffer);
byte b = fileBuffer.readByte();
if (b != Page.END_BYTE) {
// Sanity Check: This would only happen if there is a bug on decode or any internal
// code, as
// this
// constraint was already checked
throw new IllegalStateException(
"Internal error, it wasn't possible to locate END_BYTE " + b);
}
msg.initMessage(storage);
if (isTrace) {
HornetQServerLogger.LOGGER.trace(
"Reading message "
+ msg
+ " on pageId="
+ this.pageId
+ " for address="
+ storeName);
}
messages.add(msg);
} else {
markFileAsSuspect(file.getFileName(), position, messages.size());
break;
}
}
} else {
markFileAsSuspect(file.getFileName(), position, messages.size());
break;
}
}
} finally {
storage.freeDirectBuffer(directBuffer);
}
numberOfMessages.set(messages.size());
return messages;
}
public StompFrame unmarshal(HornetQBuffer in) throws IOException {
try {
String action = null;
// skip white space to next real action line
while (true) {
action = readLine(in, MAX_COMMAND_LENGTH, "The maximum command length was exceeded");
if (action == null) {
throw new IOException("connection was closed");
} else {
action = action.trim();
if (action.length() > 0) {
break;
}
}
}
// Parse the headers
HashMap headers = new HashMap(25);
while (true) {
String line = readLine(in, MAX_HEADER_LENGTH, "The maximum header length was exceeded");
if (line != null && line.trim().length() > 0) {
if (headers.size() > MAX_HEADERS) {
throw new StompException("The maximum number of headers was exceeded", true);
}
try {
int seperator_index = line.indexOf(Stomp.Headers.SEPERATOR);
String name = line.substring(0, seperator_index).trim();
String value = line.substring(seperator_index + 1, line.length()).trim();
headers.put(name, value);
} catch (Exception e) {
throw new StompException("Unable to parser header line [" + line + "]", true);
}
} else {
break;
}
}
// Read in the data part.
byte[] data = NO_DATA;
String contentLength = (String) headers.get(Stomp.Headers.CONTENT_LENGTH);
if (contentLength != null) {
// Bless the client, he's telling us how much data to read in.
int length;
try {
length = Integer.parseInt(contentLength.trim());
} catch (NumberFormatException e) {
throw new StompException("Specified content-length is not a valid integer", true);
}
if (length > MAX_DATA_LENGTH) {
throw new StompException("The maximum data length was exceeded", true);
}
data = new byte[length];
in.readBytes(data);
if (in.readByte() != 0) {
throw new StompException(
Stomp.Headers.CONTENT_LENGTH
+ " bytes were read and "
+ "there was no trailing null byte",
true);
}
} else {
// We don't know how much to read.. data ends when we hit a 0
byte b;
ByteArrayOutputStream baos = null;
while (in.readableBytes() > 0 && (b = in.readByte()) != 0) {
if (baos == null) {
baos = new ByteArrayOutputStream();
} else if (baos.size() > MAX_DATA_LENGTH) {
throw new StompException("The maximum data length was exceeded", true);
}
baos.write(b);
}
if (baos != null) {
baos.close();
data = baos.toByteArray();
}
}
return new StompFrame(action, headers, data);
} catch (StompException e) {
return new StompFrameError(e);
}
}