public static TransportConfiguration decode(HornetQBuffer buffer) {
String name = BufferHelper.readNullableSimpleStringAsString(buffer);
String factoryClassName = buffer.readSimpleString().toString();
int paramSize = buffer.readInt();
Map<String, Object> params = new HashMap<String, Object>();
for (int i = 0; i < paramSize; i++) {
String key = buffer.readSimpleString().toString();
String value = buffer.readSimpleString().toString();
params.put(key, value);
}
TransportConfiguration config = new TransportConfiguration(factoryClassName, params, name);
return config;
}
@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();
}
}
// Decode from journal or paging
public void decode(final HornetQBuffer buff) {
int start = buff.readerIndex();
endOfBodyPosition = buff.readInt();
endOfMessagePosition = buff.getInt(endOfBodyPosition - BUFFER_HEADER_SPACE + start);
int length = endOfMessagePosition - BUFFER_HEADER_SPACE;
buffer.setIndex(0, BUFFER_HEADER_SPACE);
buffer.writeBytes(buff, start, length);
decode();
buff.readerIndex(start + length);
}
public static List<Pair<TransportConfiguration, TransportConfiguration>> decodeConfigs(
HornetQBuffer buffer) {
int size = buffer.readInt();
List<Pair<TransportConfiguration, TransportConfiguration>> configs =
new ArrayList<Pair<TransportConfiguration, TransportConfiguration>>(size);
for (int i = 0; i < size; i++) {
TransportConfiguration live = decode(buffer);
boolean hasBackup = buffer.readBoolean();
TransportConfiguration backup = null;
if (hasBackup) {
backup = decode(buffer);
}
configs.add(new Pair<TransportConfiguration, TransportConfiguration>(live, backup));
}
return configs;
}
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;
}
@Override
public void decodeRest(final HornetQBuffer buffer) {
timeoutSeconds = buffer.readInt();
}
@Override
public void decodeRest(final HornetQBuffer buffer) {
credits = buffer.readInt();
address = buffer.readSimpleString();
}
