| /* |
| * Copyright 2015 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.Objects; |
| |
| 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; |
| |
| /** |
| * Provide Link Protection Type. |
| */ |
| |
| public class LinkProtectionTypeTlv implements PcepValueType { |
| |
| /* Reference :[RFC5307]/1.2 |
| * 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=[TDB38] | Length=2 | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| |Protection Cap | Reserved | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| */ |
| protected static final Logger log = LoggerFactory.getLogger(LinkProtectionTypeTlv.class); |
| |
| public static final short TYPE = 20; //TDB38 |
| public static final short LENGTH = 2; |
| private final byte protectionCap; |
| private final byte reserved; |
| |
| /** |
| * Constructor to initialize protectionCap. |
| * |
| * @param protectionCap Protection Cap |
| */ |
| public LinkProtectionTypeTlv(byte protectionCap) { |
| this.protectionCap = protectionCap; |
| this.reserved = 0; |
| } |
| |
| /** |
| * Constructor to initialize protectionCap, reserved. |
| * |
| * @param protectionCap Protection Cap |
| * @param reserved Reserved value |
| */ |
| public LinkProtectionTypeTlv(byte protectionCap, byte reserved) { |
| this.protectionCap = protectionCap; |
| this.reserved = reserved; |
| } |
| |
| /** |
| * Returns Protection Cap. |
| * |
| * @return protectionCap Protection Cap |
| */ |
| public byte getProtectionCap() { |
| return protectionCap; |
| } |
| |
| @Override |
| public PcepVersion getVersion() { |
| return PcepVersion.PCEP_1; |
| } |
| |
| @Override |
| public short getType() { |
| return TYPE; |
| } |
| |
| @Override |
| public short getLength() { |
| return LENGTH; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(protectionCap, reserved); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof LinkProtectionTypeTlv) { |
| LinkProtectionTypeTlv other = (LinkProtectionTypeTlv) obj; |
| return Objects.equals(protectionCap, other.protectionCap) && Objects.equals(reserved, other.reserved); |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public int write(ChannelBuffer c) { |
| int iLenStartIndex = c.writerIndex(); |
| c.writeShort(TYPE); |
| c.writeShort(LENGTH); |
| c.writeByte(protectionCap); |
| c.writeByte(reserved); |
| return c.writerIndex() - iLenStartIndex; |
| } |
| |
| /** |
| * Reads the channel buffer and returns object of LinkProtectionTypeTlv. |
| * |
| * @param c input channel buffer |
| * @return object of LinkProtectionTypeTlv |
| */ |
| public static PcepValueType read(ChannelBuffer c) { |
| byte protectionCap = c.readByte(); |
| byte reserved = c.readByte(); |
| return new LinkProtectionTypeTlv(protectionCap, reserved); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("Type", TYPE) |
| .add("Length", LENGTH) |
| .add("ProtectionCap", protectionCap) |
| .toString(); |
| } |
| } |