public synchronized void write(final PagedMessage message) throws Exception {
if (!file.isOpen()) {
return;
}
ByteBuffer buffer = fileFactory.newBuffer(message.getEncodeSize() + Page.SIZE_RECORD);
HornetQBuffer wrap = HornetQBuffers.wrappedBuffer(buffer);
wrap.clear();
wrap.writeByte(Page.START_BYTE);
wrap.writeInt(0);
int startIndex = wrap.writerIndex();
message.encode(wrap);
int endIndex = wrap.writerIndex();
wrap.setInt(1, endIndex - startIndex); // The encoded length
wrap.writeByte(Page.END_BYTE);
buffer.rewind();
file.writeDirect(buffer, false);
if (pageCache != null) {
pageCache.addLiveMessage(message);
}
numberOfMessages.incrementAndGet();
size.addAndGet(buffer.limit());
storageManager.pageWrite(message, pageId);
}
public void encodeHeadersAndProperties(final HornetQBuffer buffer) {
buffer.writeLong(messageID);
buffer.writeNullableSimpleString(address);
if (userID == null) {
buffer.writeByte(DataConstants.NULL);
} else {
buffer.writeByte(DataConstants.NOT_NULL);
buffer.writeBytes(userID.asBytes());
}
buffer.writeByte(type);
buffer.writeBoolean(durable);
buffer.writeLong(expiration);
buffer.writeLong(timestamp);
buffer.writeByte(priority);
properties.encode(buffer);
}
public void createBody(final int initialMessageBufferSize) {
buffer = HornetQBuffers.dynamicBuffer(initialMessageBufferSize);
// There's a bug in netty which means a dynamic buffer won't resize until you write a byte
buffer.writeByte((byte) 0);
buffer.setIndex(BODY_OFFSET, BODY_OFFSET);
}
@Override
public void encodeRest(final HornetQBuffer buffer) {
buffer.writeBoolean(synchronizationIsFinished);
buffer.writeBoolean(allowsAutoFailBack);
buffer.writeString(nodeID);
if (synchronizationIsFinished) return;
buffer.writeByte(dataType.code);
buffer.writeInt(ids.length);
for (long id : ids) {
buffer.writeLong(id);
}
}
public HornetQBuffer encode(final RemotingConnection connection) {
HornetQBuffer buffer = connection.createBuffer(PacketImpl.INITIAL_PACKET_SIZE);
// The standard header fields
buffer.writeInt(0); // The length gets filled in at the end
buffer.writeByte(type);
buffer.writeLong(channelID);
encodeRest(buffer);
size = buffer.writerIndex();
// The length doesn't include the actual length byte
int len = size - DataConstants.SIZE_INT;
buffer.setInt(0, len);
return buffer;
}
public HornetQBuffer toHornetQBuffer() throws Exception {
if (buffer == null) {
if (bytesBody != null) {
buffer = HornetQBuffers.dynamicBuffer(bytesBody.length + 512);
} else {
buffer = HornetQBuffers.dynamicBuffer(512);
}
if (isPing()) {
buffer.writeByte((byte) 10);
return buffer;
}
StringBuffer head = new StringBuffer();
head.append(command);
head.append(Stomp.NEWLINE);
// Output the headers.
for (Map.Entry<String, String> header : headers.entrySet()) {
head.append(header.getKey());
head.append(Stomp.Headers.SEPARATOR);
head.append(header.getValue());
head.append(Stomp.NEWLINE);
}
// Add a newline to separate the headers from the content.
head.append(Stomp.NEWLINE);
buffer.writeBytes(head.toString().getBytes("UTF-8"));
if (bytesBody != null) {
buffer.writeBytes(bytesBody);
}
buffer.writeBytes(END_OF_FRAME);
size = buffer.writerIndex();
}
return buffer;
}
