| /* |
| * 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.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 TED Capability Tlv. |
| */ |
| public class LsCapabilityTlv implements PcepValueType { |
| |
| /* |
| * Reference :draft-dhodylee-pce-pcep-ls-01, section 9.1.1. |
| * 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=[TBD5] | Length=4 | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | Flags |R| |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| */ |
| |
| protected static final Logger log = LoggerFactory.getLogger(LsCapabilityTlv.class); |
| |
| public static final short TYPE = (short) 65280; |
| public static final short LENGTH = 4; |
| public static final int SET = 1; |
| public static final byte RFLAG_CHECK = 0x01; |
| |
| private final boolean rFlag; |
| private final int rawValue; |
| private final boolean isRawValueSet; |
| |
| /** |
| * Constructor to initialize raw Value. |
| * |
| * @param rawValue Flags |
| */ |
| public LsCapabilityTlv(final int rawValue) { |
| this.rawValue = rawValue; |
| this.isRawValueSet = true; |
| int temp = rawValue; |
| temp = temp & RFLAG_CHECK; |
| if (temp == SET) { |
| this.rFlag = true; |
| } else { |
| this.rFlag = false; |
| } |
| |
| } |
| |
| /** |
| * Constructor to initialize rFlag. |
| * |
| * @param rFlag R-flag |
| */ |
| public LsCapabilityTlv(boolean rFlag) { |
| this.rFlag = rFlag; |
| this.rawValue = 0; |
| this.isRawValueSet = false; |
| } |
| |
| /** |
| * Returns R-flag. |
| * |
| * @return rFlag |
| */ |
| public boolean getrFlag() { |
| return rFlag; |
| } |
| |
| /** |
| * Returns an object of LsCapabilityTlv. |
| * |
| * @param raw value Flags |
| * @return object of LsCapabilityTlv |
| */ |
| public static LsCapabilityTlv of(final int raw) { |
| return new LsCapabilityTlv(raw); |
| } |
| |
| @Override |
| public PcepVersion getVersion() { |
| return PcepVersion.PCEP_1; |
| } |
| |
| public int getInt() { |
| return rawValue; |
| } |
| |
| @Override |
| public short getType() { |
| return TYPE; |
| } |
| |
| @Override |
| public short getLength() { |
| return LENGTH; |
| } |
| |
| @Override |
| public int hashCode() { |
| if (isRawValueSet) { |
| return Objects.hash(rawValue); |
| } else { |
| return Objects.hash(rFlag); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof LsCapabilityTlv) { |
| LsCapabilityTlv other = (LsCapabilityTlv) obj; |
| if (isRawValueSet) { |
| return Objects.equals(this.rawValue, other.rawValue); |
| } else { |
| return Objects.equals(this.rFlag, other.rFlag); |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public int write(ChannelBuffer c) { |
| int iStartIndex = c.writerIndex(); |
| int temp = 0; |
| c.writeShort(TYPE); |
| c.writeShort(LENGTH); |
| if (isRawValueSet) { |
| c.writeInt(rawValue); |
| } else { |
| if (rFlag) { |
| temp = temp | RFLAG_CHECK; |
| } |
| c.writeInt(temp); |
| } |
| return c.writerIndex() - iStartIndex; |
| } |
| |
| /** |
| * Reads channel buffer and returns object of LsCapabilityTlv. |
| * |
| * @param c input channel buffer |
| * @return object of LsCapabilityTlv |
| */ |
| public static LsCapabilityTlv read(ChannelBuffer c) { |
| return LsCapabilityTlv.of(c.readInt()); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("Type", TYPE) |
| .add("Length", LENGTH) |
| .add("Value", rawValue) |
| .toString(); |
| } |
| } |