| /* |
| * 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.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; |
| |
| /** |
| * Provides SymbolicPathNameTlv. |
| */ |
| public class SymbolicPathNameTlv implements PcepValueType { |
| |
| /* |
| * SYMBOLIC-PATH-NAME TLV format |
| * Reference :PCEP Extensions for Stateful PCE draft-ietf-pce-stateful-pce-10 |
| * |
| 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=17 | Length (variable) | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | | |
| // Symbolic Path Name // |
| | | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| */ |
| protected static final Logger log = LoggerFactory.getLogger(SymbolicPathNameTlv.class); |
| |
| public static final short TYPE = 17; |
| private short hLength; |
| |
| private final byte[] rawValue; |
| |
| /** |
| * Constructor to initialize raw Value. |
| * |
| * @param rawValue Symbolic path name |
| */ |
| public SymbolicPathNameTlv(byte[] rawValue) { |
| this.rawValue = rawValue; |
| this.hLength = (short) rawValue.length; |
| } |
| |
| /** |
| * Constructor to initialize raw Value. |
| * |
| * @param rawValue Symbolic path name |
| * @param hLength length of Symbolic path name |
| */ |
| public SymbolicPathNameTlv(byte[] rawValue, short hLength) { |
| this.rawValue = rawValue; |
| if (0 == hLength) { |
| this.hLength = (short) rawValue.length; |
| } else { |
| this.hLength = hLength; |
| } |
| } |
| |
| /** |
| * Creates an object of SymbolicPathNameTlv. |
| * |
| * @param raw Symbolic path name |
| * @param hLength length of Symbolic path name |
| * @return object of SymbolicPathNameTlv |
| */ |
| public static SymbolicPathNameTlv of(final byte[] raw, short hLength) { |
| return new SymbolicPathNameTlv(raw, hLength); |
| } |
| |
| /** |
| * Returns Symbolic path name. |
| * |
| * @return Symbolic path name byte array |
| */ |
| 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 SymbolicPathNameTlv) { |
| SymbolicPathNameTlv other = (SymbolicPathNameTlv) 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 channel buffer and returns object of SymbolicPathNameTlv. |
| * |
| * @param c of type channel buffer |
| * @param hLength length of bytes to read |
| * @return object of SymbolicPathNameTlv |
| */ |
| public static SymbolicPathNameTlv read(ChannelBuffer c, short hLength) { |
| byte[] symbolicPathName = new byte[hLength]; |
| c.readBytes(symbolicPathName, 0, hLength); |
| return new SymbolicPathNameTlv(symbolicPathName, hLength); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("SymbolicPathName ", rawValue) |
| .toString(); |
| } |
| } |