| /* |
| * Copyright 2015-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.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; |
| |
| /** |
| * Provides CEP LABEL DB VERSION TLV which contains LSP State DB Version (32 Bit ). |
| */ |
| public class PcepLabelDbVerTlv implements PcepValueType { |
| |
| /* PCEP LABEL DB VERSION TLV format |
| |
| Reference : draft-ietf-pce-stateful-sync-optimizations-02, section 3.3.1 |
| 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=23 | Length=8 | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | LSP State DB Version | |
| | | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| |
| */ |
| protected static final Logger log = LoggerFactory.getLogger(PcepLabelDbVerTlv.class); |
| |
| public static final short TYPE = 34; |
| public static final short LENGTH = 8; |
| private final long rawValue; |
| |
| /** |
| * constructor to initialize rawValue. |
| * |
| * @param rawValue of Pcep Label Db Version Tlv |
| */ |
| public PcepLabelDbVerTlv(final long rawValue) { |
| log.debug("PcepLabelDbVerTlv"); |
| this.rawValue = rawValue; |
| } |
| |
| /** |
| * Returns newly created PcepLabelDbVerTlv object. |
| * |
| * @param raw LSP State DB Version |
| * @return object of PcepLabelDbVerTlv |
| */ |
| public static PcepLabelDbVerTlv of(final long raw) { |
| return new PcepLabelDbVerTlv(raw); |
| } |
| |
| @Override |
| public PcepVersion getVersion() { |
| return PcepVersion.PCEP_1; |
| } |
| |
| /** |
| * Returns LSP State DB Version. |
| * @return raw value |
| */ |
| public long getLong() { |
| return rawValue; |
| } |
| |
| @Override |
| public short getLength() { |
| return LENGTH; |
| } |
| |
| @Override |
| public short getType() { |
| return TYPE; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(rawValue); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof PcepLabelDbVerTlv) { |
| PcepLabelDbVerTlv other = (PcepLabelDbVerTlv) obj; |
| return Objects.equals(this.rawValue, other.rawValue); |
| } |
| return false; |
| } |
| |
| @Override |
| public int write(ChannelBuffer c) { |
| int iLenStartIndex = c.writerIndex(); |
| c.writeShort(TYPE); |
| c.writeShort(LENGTH); |
| c.writeLong(rawValue); |
| return c.writerIndex() - iLenStartIndex; |
| } |
| |
| /** |
| * Reads the channel buffer and returns object of PcepLabelDbVerTlv. |
| * |
| * @param c input channel buffer |
| * @return object of PcepLabelDbVerTlv |
| */ |
| public static PcepLabelDbVerTlv read(ChannelBuffer c) { |
| return PcepLabelDbVerTlv.of(c.readLong()); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("Type", TYPE) |
| .add("Length", LENGTH) |
| .add("Value", rawValue) |
| .toString(); |
| } |
| } |