| /* |
| * 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.pcepio.types; |
| |
| import java.util.Arrays; |
| import org.jboss.netty.buffer.ChannelBuffer; |
| import org.onosproject.pcepio.protocol.PcepVersion; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.common.base.MoreObjects.ToStringHelper; |
| |
| /** |
| * Provides the Link Name. |
| */ |
| public class LinkNameAttributeSubTlv implements PcepValueType { |
| |
| /* Reference :[I-D.ietf-idr- ls-distribution] /3.3.2.7 |
| * Link name tlv format. |
| 0 1 2 3 |
| 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | Type=TDB43 | Length | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // Link Name (variable) // |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| */ |
| |
| protected static final Logger log = LoggerFactory.getLogger(LinkNameAttributeSubTlv.class); |
| |
| public static final short TYPE = 32; |
| private short hLength; |
| |
| private final byte[] rawValue; |
| |
| /** |
| * Constructor to initialize rawValue. |
| * |
| * @param rawValue Link-Name |
| * @param hLength length |
| */ |
| public LinkNameAttributeSubTlv(byte[] rawValue, short hLength) { |
| this.rawValue = rawValue; |
| if (0 == hLength) { |
| this.hLength = (short) rawValue.length; |
| } else { |
| this.hLength = hLength; |
| } |
| } |
| |
| /** |
| * Returns newly created LinkNameTlv object. |
| * |
| * @param raw Link-Name |
| * @param hLength length |
| * @return object of LinkNameTlv |
| */ |
| public static LinkNameAttributeSubTlv of(final byte[] raw, short hLength) { |
| return new LinkNameAttributeSubTlv(raw, hLength); |
| } |
| |
| /** |
| * Returns value of Link-Name. |
| * |
| * @return raw value |
| */ |
| public byte[] getValue() { |
| return rawValue; |
| } |
| |
| @Override |
| public PcepVersion getVersion() { |
| return PcepVersion.PCEP_1; |
| } |
| |
| @Override |
| public short getType() { |
| return TYPE; |
| } |
| |
| @Override |
| public short getLength() { |
| return hLength; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Arrays.hashCode(rawValue); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof LinkNameAttributeSubTlv) { |
| LinkNameAttributeSubTlv other = (LinkNameAttributeSubTlv) obj; |
| return Arrays.equals(this.rawValue, other.rawValue); |
| } |
| return false; |
| } |
| |
| @Override |
| public int write(ChannelBuffer c) { |
| int iLenStartIndex = c.writerIndex(); |
| c.writeShort(TYPE); |
| c.writeShort(hLength); |
| c.writeBytes(rawValue); |
| return c.writerIndex() - iLenStartIndex; |
| } |
| |
| /** |
| * Reads the channel buffer and returns object of LinkNameTlv. |
| * |
| * @param c input channel buffer |
| * @param hLength length |
| * @return object of LinkNameTlv |
| */ |
| public static PcepValueType read(ChannelBuffer c, short hLength) { |
| byte[] linkName = new byte[hLength]; |
| c.readBytes(linkName, 0, hLength); |
| return new LinkNameAttributeSubTlv(linkName, hLength); |
| } |
| |
| @Override |
| public String toString() { |
| ToStringHelper toStrHelper = MoreObjects.toStringHelper(getClass()); |
| |
| toStrHelper.add("Type", TYPE); |
| toStrHelper.add("Length", hLength); |
| |
| StringBuffer result = new StringBuffer(); |
| for (byte b : rawValue) { |
| result.append(String.format("%02X ", b)); |
| } |
| toStrHelper.add("Value", result); |
| |
| return toStrHelper.toString(); |
| } |
| } |