Charles Chan | 64c2dfd | 2018-07-24 11:58:08 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.onlab.packet.lacp; |
| 18 | |
| 19 | import org.onlab.packet.Deserializer; |
| 20 | |
| 21 | import java.nio.ByteBuffer; |
| 22 | |
| 23 | import static com.google.common.base.MoreObjects.toStringHelper; |
| 24 | import static org.onlab.packet.PacketUtils.checkInput; |
| 25 | |
| 26 | /** |
| 27 | * Represents LACP terminator information. |
| 28 | */ |
| 29 | public class LacpTerminatorTlv extends LacpTlv { |
| 30 | public static final byte LENGTH = 0; |
| 31 | static final byte PADDING_LENGTH = 50; |
| 32 | private static final byte[] PADDING = new byte[PADDING_LENGTH]; |
| 33 | |
| 34 | /** |
| 35 | * Deserializer function for LacpTerminatorTlv packets. |
| 36 | * |
| 37 | * @return deserializer function |
| 38 | */ |
| 39 | public static Deserializer<LacpTerminatorTlv> deserializer() { |
| 40 | return (data, offset, length) -> { |
| 41 | checkInput(data, offset, length, LENGTH); |
| 42 | |
| 43 | return new LacpTerminatorTlv(); |
| 44 | }; |
| 45 | } |
| 46 | |
| 47 | @Override |
| 48 | public byte[] serialize() { |
| 49 | final byte[] data = new byte[LENGTH + PADDING_LENGTH]; |
| 50 | |
| 51 | final ByteBuffer bb = ByteBuffer.wrap(data); |
| 52 | bb.put(PADDING); |
| 53 | |
| 54 | return data; |
| 55 | } |
| 56 | |
| 57 | @Override |
| 58 | public String toString() { |
| 59 | return toStringHelper(getClass()).toString(); |
| 60 | } |
| 61 | } |