2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.protocol.bmp.impl;
11 import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
13 public class BmpMessageHeaderDecoder extends LengthFieldBasedFrameDecoder {
15 private static final int MAX_FRAME_SIZE = 65535;
17 private static final int VERSION_SIZE = 1;
19 private static final int LENGTH_SIZE = 4;
23 0 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
26 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
28 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
34 public BmpMessageHeaderDecoder() {
35 super(MAX_FRAME_SIZE, VERSION_SIZE, LENGTH_SIZE, -VERSION_SIZE - LENGTH_SIZE, 0);