@Override
protected void encode(ChannelHandlerContext ctx, TransportFrame frame, ByteBuf out)
throws Exception {
out.writeByte('E');
out.writeByte('Q');
out.writeInt(frame.version().id);
out.writeLong(frame.request());
if (frame instanceof StreamableTransportFrame) {
// message request
// skip size header
int sizePos = out.writerIndex();
out.writerIndex(out.writerIndex() + 4);
try (StreamOutput output = streamService.output(out)) {
Streamable message = ((StreamableTransportFrame) frame).message();
output.writeClass(message.getClass());
output.writeStreamable(message);
}
int size = out.writerIndex() - sizePos - 4;
out.setInt(sizePos, size);
} else {
// ping request
out.writeInt(0);
}
}
@Override
public void writeTo(StreamOutput stream) throws IOException {
stream.writeStreamableOrNull(message);
}
@Override
public void writeTo(StreamOutput stream) throws IOException {
stream.writeUUIDOrNull(uuid);
stream.writeEnumOrNull(type);
stream.writeByteBufOrNull(buffer);
}
@Override
public void writeTo(StreamOutput stream) throws IOException {
stream.writeStreamable(member);
}
@Override
public void writeTo(StreamOutput stream) throws IOException {
stream.writeText(queue);
stream.writeUUID(transactionUUID);
}