| /* |
| * 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 StatefulPceCapabilityTlv. |
| */ |
| public class StatefulPceCapabilityTlv implements PcepValueType { |
| |
| /* STATEFUL-PCE-CAPABILITY 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=16 | Length=4 | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | Flags |D|T|I|S|U| |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| |
| */ |
| protected static final Logger log = LoggerFactory.getLogger(StatefulPceCapabilityTlv.class); |
| |
| public static final short TYPE = 16; |
| public static final short LENGTH = 4; |
| public static final byte UFLAG_SET = 0x01; |
| public static final byte SFLAG_SET = 0x02; |
| public static final byte IFLAG_SET = 0x04; |
| public static final byte TFLAG_SET = 0x08; |
| public static final byte DFLAG_SET = 0x10; |
| public static final int SET = 1; |
| |
| private final int rawValue; |
| private final boolean bDFlag; |
| private final boolean bTFlag; |
| private final boolean bIFlag; |
| private final boolean bSFlag; |
| private final boolean bUFlag; |
| private final boolean isRawValueSet; |
| |
| /** |
| * Constructor to initialize variables. |
| * |
| * @param rawValue Flags |
| */ |
| public StatefulPceCapabilityTlv(int rawValue) { |
| this.rawValue = rawValue; |
| isRawValueSet = true; |
| this.bUFlag = (rawValue & UFLAG_SET) == UFLAG_SET; |
| this.bSFlag = (rawValue & SFLAG_SET) == SFLAG_SET; |
| this.bIFlag = (rawValue & IFLAG_SET) == IFLAG_SET; |
| this.bTFlag = (rawValue & TFLAG_SET) == TFLAG_SET; |
| this.bDFlag = (rawValue & DFLAG_SET) == DFLAG_SET; |
| } |
| |
| /** |
| * Constructor to initialize variables. |
| * |
| * @param bDFlag D-flag |
| * @param bTFlag T-flag |
| * @param bIFlag I-flag |
| * @param bSFlag S-flag |
| * @param bUFlag U-flag |
| */ |
| public StatefulPceCapabilityTlv(boolean bDFlag, boolean bTFlag, boolean bIFlag, boolean bSFlag, boolean bUFlag) { |
| this.bDFlag = bDFlag; |
| this.bTFlag = bTFlag; |
| this.bIFlag = bIFlag; |
| this.bSFlag = bSFlag; |
| this.bUFlag = bUFlag; |
| this.rawValue = 0; |
| isRawValueSet = false; |
| } |
| |
| /** |
| * Returns object of StatefulPceCapabilityTlv. |
| * |
| * @param raw value Flags |
| * @return object of StatefulPceCapabilityTlv |
| */ |
| public static StatefulPceCapabilityTlv of(final int raw) { |
| return new StatefulPceCapabilityTlv(raw); |
| } |
| |
| @Override |
| public PcepVersion getVersion() { |
| return PcepVersion.PCEP_1; |
| } |
| |
| /** |
| * Returns D-flag. |
| * |
| * @return bDFlag D-flag |
| */ |
| public boolean getDFlag() { |
| return bDFlag; |
| } |
| |
| /** |
| * Returns T-flag. |
| * |
| * @return bTFlag T-flag |
| */ |
| public boolean getTFlag() { |
| return bTFlag; |
| } |
| |
| /** |
| * Returns I-flag. |
| * |
| * @return bIFlag I-flag |
| */ |
| public boolean getIFlag() { |
| return bIFlag; |
| } |
| |
| /** |
| * Returns S-flag. |
| * |
| * @return bSFlag S-flag |
| */ |
| public boolean getSFlag() { |
| return bSFlag; |
| } |
| |
| /** |
| * Returns U-flag. |
| * |
| * @return bUFlag U-flag |
| */ |
| public boolean getUFlag() { |
| return bUFlag; |
| } |
| |
| /** |
| * Returns raw value Flags. |
| * |
| * @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(bDFlag, bTFlag, bIFlag, bSFlag, bUFlag); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof StatefulPceCapabilityTlv) { |
| StatefulPceCapabilityTlv other = (StatefulPceCapabilityTlv) obj; |
| if (isRawValueSet) { |
| return Objects.equals(this.rawValue, other.rawValue); |
| } else { |
| return Objects.equals(this.bDFlag, other.bDFlag) && Objects.equals(this.bTFlag, other.bTFlag) |
| && Objects.equals(this.bIFlag, other.bIFlag) && Objects.equals(this.bSFlag, other.bSFlag) |
| && Objects.equals(this.bUFlag, other.bUFlag); |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public int write(ChannelBuffer c) { |
| int iLenStartIndex = c.writerIndex(); |
| c.writeShort(TYPE); |
| c.writeShort(LENGTH); |
| if (isRawValueSet) { |
| c.writeInt(rawValue); |
| } else { |
| int temp = 0; |
| if (bUFlag) { |
| temp = temp | UFLAG_SET; |
| } |
| if (bSFlag) { |
| temp = temp | SFLAG_SET; |
| } |
| if (bIFlag) { |
| temp = temp | IFLAG_SET; |
| } |
| if (bTFlag) { |
| temp = temp | TFLAG_SET; |
| } |
| if (bDFlag) { |
| temp = temp | DFLAG_SET; |
| } |
| c.writeInt(temp); |
| } |
| return c.writerIndex() - iLenStartIndex; |
| } |
| |
| /** |
| * Reads from channel buffer and returns object of StatefulPceCapabilityTlv. |
| * |
| * @param c input channel buffer |
| * @return object of StatefulPceCapabilityTlv |
| */ |
| public static PcepValueType read(ChannelBuffer c) { |
| int temp = c.readInt(); |
| boolean bDFlag; |
| boolean bTFlag; |
| boolean bIFlag; |
| boolean bSFlag; |
| boolean bUFlag; |
| |
| bUFlag = (temp & UFLAG_SET) == UFLAG_SET; |
| bSFlag = (temp & SFLAG_SET) == SFLAG_SET; |
| bIFlag = (temp & IFLAG_SET) == IFLAG_SET; |
| bTFlag = (temp & TFLAG_SET) == TFLAG_SET; |
| bDFlag = (temp & DFLAG_SET) == DFLAG_SET; |
| |
| return new StatefulPceCapabilityTlv(bDFlag, bTFlag, bIFlag, bSFlag, bUFlag); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("type", TYPE) |
| .add("Length", LENGTH) |
| .add("DFlag", bDFlag) |
| .add("TFlag", bTFlag) |
| .add("IFlag", bIFlag) |
| .add("SFlag", bSFlag) |
| .add("UFlag", bUFlag) |
| .toString(); |
| } |
| } |