public ChannelBuffer getBuffer(ByteBuffer nioBuffer) {
if (!nioBuffer.isReadOnly() && nioBuffer.isDirect()) {
return ChannelBuffers.wrappedBuffer(nioBuffer);
}
ChannelBuffer buf = getBuffer(nioBuffer.order(), nioBuffer.remaining());
int pos = nioBuffer.position();
buf.writeBytes(nioBuffer);
nioBuffer.position(pos);
return buf;
}
@Override
public void writeRequested(ChannelHandlerContext ctx, MessageEvent e) {
PaxosMessage msg;
ChannelBuffer sendBuf;
byte[] data;
msg = (PaxosMessage) e.getMessage(); // The original message.
// Serialize the message.
data = msg.serialize();
sendBuf = ChannelBuffers.buffer(data.length);
sendBuf.writeBytes(data); // Write the actual msg.
// Send the message upstream.
Channels.write(ctx, e.getFuture(), sendBuf);
}
public ChannelBuffer getBuffer(ByteOrder order, byte[] array, int offset, int length) {
if (array == null) {
throw new NullPointerException("array");
}
if (offset < 0) {
throw new IndexOutOfBoundsException("offset: " + offset);
}
if (length == 0) {
return ChannelBuffers.EMPTY_BUFFER;
}
if (offset + length > array.length) {
throw new IndexOutOfBoundsException("length: " + length);
}
ChannelBuffer buf = getBuffer(order, length);
buf.writeBytes(array, offset, length);
return buf;
}