| /* |
| * 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; |
| |
| /** |
| * Provides PceccCapabilityTlv. |
| */ |
| public class PceccCapabilityTlv implements PcepValueType { |
| |
| /* PCECC CAPABILITY TLV |
| * Reference : draft-zhao-pce-pcep-extension-for-pce-controller-01, section-7.1.1 |
| |
| 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=32 | Length=4 | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | Flags |G|L| |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| |
| */ |
| protected static final Logger log = LoggerFactory.getLogger(PceccCapabilityTlv.class); |
| |
| public static final short TYPE = 32; |
| public static final short LENGTH = 4; |
| public static final int SET = 1; |
| public static final byte LFLAG_CHECK = 0x01; |
| public static final byte GFLAG_CHECK = 0x02; |
| |
| private final boolean bGFlag; |
| private final boolean bLFlag; |
| |
| private final int rawValue; |
| private final boolean isRawValueSet; |
| |
| /** |
| * Constructor to initialize raw Value. |
| * |
| * @param rawValue raw value |
| */ |
| public PceccCapabilityTlv(final int rawValue) { |
| this.rawValue = rawValue; |
| this.isRawValueSet = true; |
| |
| bLFlag = (rawValue & LFLAG_CHECK) == LFLAG_CHECK; |
| bGFlag = (rawValue & GFLAG_CHECK) == GFLAG_CHECK; |
| } |
| |
| /** |
| * Constructor to initialize G-flag L-flag. |
| * @param bGFlag G-flag |
| * @param bLFlag L-flag |
| */ |
| public PceccCapabilityTlv(boolean bGFlag, boolean bLFlag) { |
| this.bGFlag = bGFlag; |
| this.bLFlag = bLFlag; |
| this.rawValue = 0; |
| this.isRawValueSet = false; |
| } |
| |
| /** |
| * Returns newly created PceccCapabilityTlv object. |
| * |
| * @param raw value |
| * @return object of Pcecc Capability Tlv |
| */ |
| public static PceccCapabilityTlv of(final int raw) { |
| return new PceccCapabilityTlv(raw); |
| } |
| |
| @Override |
| public PcepVersion getVersion() { |
| return PcepVersion.PCEP_1; |
| } |
| |
| /** |
| * Returns G-flag. |
| * @return bGFlag G-flag |
| */ |
| public boolean getGFlag() { |
| return bGFlag; |
| } |
| |
| /** |
| * Returns L-flag. |
| * @return bLFlag L-flag |
| */ |
| public boolean getLFlag() { |
| return bLFlag; |
| } |
| |
| /** |
| * Returns the raw value. |
| * @return rawValue Flags |
| */ |
| 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(bLFlag, bGFlag); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof PceccCapabilityTlv) { |
| PceccCapabilityTlv other = (PceccCapabilityTlv) obj; |
| if (isRawValueSet) { |
| return Objects.equals(this.rawValue, other.rawValue); |
| } else { |
| return Objects.equals(this.bGFlag, other.bGFlag) && Objects.equals(this.bLFlag, other.bLFlag); |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public int write(ChannelBuffer c) { |
| int iLenStartIndex = c.writerIndex(); |
| int temp = 0; |
| c.writeShort(TYPE); |
| c.writeShort(LENGTH); |
| if (isRawValueSet) { |
| c.writeInt(rawValue); |
| } else { |
| if (bGFlag) { |
| temp = temp | GFLAG_CHECK; |
| } |
| if (bLFlag) { |
| temp = temp | LFLAG_CHECK; |
| } |
| c.writeInt(temp); |
| } |
| return c.writerIndex() - iLenStartIndex; |
| } |
| |
| /** |
| * Reads channel buffer and returns object of PceccCapabilityTlv. |
| * |
| * @param c input channel buffer |
| * @return object of PceccCapabilityTlv |
| */ |
| public static PceccCapabilityTlv read(ChannelBuffer c) { |
| return PceccCapabilityTlv.of(c.readInt()); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("Type", TYPE) |
| .add("Length", LENGTH) |
| .add("Value", rawValue) |
| .toString(); |
| } |
| } |