| /* |
| * 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.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 SharedRiskLinkGroupTlv. |
| */ |
| public class SharedRiskLinkGroupSubTlv implements PcepValueType { |
| |
| /* |
| * Reference :[I-D.ietf-idr- Group ls-distribution] /3.3.2.5 |
| * |
| * 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 =TDB41 | Length | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | Shared Risk Link Group Value | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // ............ // |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | Shared Risk Link Group Value | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| */ |
| |
| protected static final Logger log = LoggerFactory.getLogger(SharedRiskLinkGroupSubTlv.class); |
| |
| public static final short TYPE = 30; |
| |
| private final short hLength; |
| |
| private final int[] srlgValue; |
| |
| /** |
| * Constructor to initialize SRLG value. |
| * |
| * @param srlgValue Shared Risk Link Group Value |
| * @param hLength length |
| */ |
| public SharedRiskLinkGroupSubTlv(int[] srlgValue, short hLength) { |
| this.srlgValue = srlgValue; |
| if (0 == hLength) { |
| this.hLength = (short) ((srlgValue.length) * 4); |
| } else { |
| this.hLength = hLength; |
| } |
| } |
| |
| /** |
| * Returns object of SharedRiskLinkGroupTlv. |
| * |
| * @param raw value |
| * @param hLength length |
| * @return object of SharedRiskLinkGroupTlv |
| */ |
| public static SharedRiskLinkGroupSubTlv of(final int[] raw, short hLength) { |
| return new SharedRiskLinkGroupSubTlv(raw, hLength); |
| } |
| |
| /** |
| * Returns SRLG Value. |
| * |
| * @return srlgValue |
| */ |
| public int[] getValue() { |
| return srlgValue; |
| } |
| |
| @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(srlgValue); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof SharedRiskLinkGroupSubTlv) { |
| SharedRiskLinkGroupSubTlv other = (SharedRiskLinkGroupSubTlv) obj; |
| return Arrays.equals(this.srlgValue, other.srlgValue); |
| } |
| return false; |
| } |
| |
| @Override |
| public int write(ChannelBuffer c) { |
| int iLenStartIndex = c.writerIndex(); |
| c.writeShort(TYPE); |
| c.writeShort(hLength); |
| for (int b : srlgValue) { |
| c.writeInt(b); |
| } |
| return c.writerIndex() - iLenStartIndex; |
| } |
| |
| /** |
| * Reads from channel buffer and returns object of SharedRiskLinkGroupTlv. |
| * |
| * @param c input channel buffer |
| * @param hLength length |
| * @return object of SharedRiskLinkGroupTlv |
| */ |
| public static PcepValueType read(ChannelBuffer c, short hLength) { |
| int iLength = hLength / 4; |
| int[] iSharedRiskLinkGroup = new int[iLength]; |
| for (int i = 0; i < iLength; i++) { |
| iSharedRiskLinkGroup[i] = c.readInt(); |
| } |
| return new SharedRiskLinkGroupSubTlv(iSharedRiskLinkGroup, hLength); |
| } |
| |
| |
| @Override |
| public String toString() { |
| ToStringHelper toStrHelper = MoreObjects.toStringHelper(getClass()); |
| |
| toStrHelper.add("Type", TYPE); |
| toStrHelper.add("Length", hLength); |
| |
| StringBuffer result = new StringBuffer(); |
| for (int b : srlgValue) { |
| result.append(String.format("%02X ", b)); |
| } |
| toStrHelper.add("Value", result); |
| |
| return toStrHelper.toString(); |
| } |
| } |