| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.isis.io.isispacket.tlv; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.common.primitives.Bytes; |
| import org.jboss.netty.buffer.ChannelBuffer; |
| import org.onosproject.isis.io.util.IsisUtil; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Representation of adjacency state TLV of P2P neighbor. |
| */ |
| public class AdjacencyStateTlv extends TlvHeader implements IsisTlv { |
| |
| private byte adjacencyType; |
| private int localCircuitId; |
| private String neighborSystemId; |
| private int neighborLocalCircuitId; |
| |
| /** |
| * Creates an instance of adjacency state TLV.. |
| * |
| * @param tlvHeader TLV header |
| */ |
| public AdjacencyStateTlv(TlvHeader tlvHeader) { |
| this.setTlvType(tlvHeader.tlvType()); |
| this.setTlvLength(tlvHeader.tlvLength()); |
| } |
| |
| /** |
| * Returns local circuit ID for adjacency state TLV. |
| * |
| * @return local circuit ID |
| */ |
| public int localCircuitId() { |
| return localCircuitId; |
| } |
| |
| /** |
| * Sets local circuit ID for adjacency state TLV. |
| * |
| * @param localCircuitId local circuit Id |
| */ |
| public void setLocalCircuitId(int localCircuitId) { |
| this.localCircuitId = localCircuitId; |
| } |
| |
| /** |
| * Returns neighbor system ID for adjacency state TLV. |
| * |
| * @return neighbor system ID |
| */ |
| public String neighborSystemId() { |
| return neighborSystemId; |
| } |
| |
| /** |
| * Sets neighbor system ID for adjacency state TLV. |
| * |
| * @param neighborSystemId neighbor system ID |
| */ |
| public void setNeighborSystemId(String neighborSystemId) { |
| this.neighborSystemId = neighborSystemId; |
| } |
| |
| /** |
| * Returns neighbor local circuit ID for adjacency state TLV. |
| * |
| * @return neighbor local circuit ID |
| */ |
| public int neighborLocalCircuitId() { |
| return neighborLocalCircuitId; |
| } |
| |
| /** |
| * Sets neighbor local circuit ID for adjacency state TLV. |
| * |
| * @param neighborLocalCircuitId neighbor local circuit ID |
| */ |
| public void setNeighborLocalCircuitId(int neighborLocalCircuitId) { |
| this.neighborLocalCircuitId = neighborLocalCircuitId; |
| } |
| |
| /** |
| * Returns adjacency type of adjacency state TLV. |
| * |
| * @return adjacency type |
| */ |
| public byte adjacencyType() { |
| return adjacencyType; |
| } |
| |
| /** |
| * Sets adjacency type for adjacency state TLV. |
| * |
| * @param adjacencyType adjacency type |
| */ |
| public void setAdjacencyType(byte adjacencyType) { |
| this.adjacencyType = adjacencyType; |
| } |
| |
| @Override |
| public void readFrom(ChannelBuffer channelBuffer) { |
| this.setAdjacencyType(channelBuffer.readByte()); |
| this.setLocalCircuitId(channelBuffer.readInt()); |
| if (channelBuffer.readableBytes() > 0) { |
| byte[] tempByteArray = new byte[IsisUtil.ID_SIX_BYTES]; |
| channelBuffer.readBytes(tempByteArray, 0, IsisUtil.ID_SIX_BYTES); |
| this.setNeighborSystemId(IsisUtil.systemId(tempByteArray)); |
| this.setNeighborLocalCircuitId(channelBuffer.readInt()); |
| } |
| } |
| |
| @Override |
| public byte[] asBytes() { |
| byte[] bytes = null; |
| byte[] tlvHeader = tlvHeaderAsByteArray(); |
| byte[] tlvBody = tlvBodyAsBytes(); |
| tlvHeader[1] = (byte) tlvBody.length; |
| bytes = Bytes.concat(tlvHeader, tlvBody); |
| return bytes; |
| } |
| |
| /** |
| * Returns adjacency type TLV body as byte array. |
| * |
| * @return byteArray TLV body of area address TLV |
| */ |
| private byte[] tlvBodyAsBytes() { |
| List<Byte> bytes = new ArrayList<>(); |
| bytes.add(this.adjacencyType); |
| bytes.addAll(Bytes.asList(IsisUtil.convertToFourBytes(this.localCircuitId))); |
| if (this.neighborSystemId != null) { |
| bytes.addAll(IsisUtil.sourceAndLanIdToBytes(this.neighborSystemId)); |
| bytes.addAll(Bytes.asList(IsisUtil.convertToFourBytes(this.neighborLocalCircuitId))); |
| } |
| return Bytes.toArray(bytes); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .omitNullValues() |
| .add("adjacencyType", adjacencyType) |
| .add("localCircuitId", localCircuitId) |
| .add("neighborSystemId", neighborSystemId) |
| .add("neighborLocalCircuitId", neighborLocalCircuitId) |
| .toString(); |
| } |
| } |