diff options
Diffstat (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/StatefulPceCapabilityTlv.java')
| -rw-r--r-- | framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/StatefulPceCapabilityTlv.java | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/StatefulPceCapabilityTlv.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/StatefulPceCapabilityTlv.java new file mode 100644 index 00000000..84f40e12 --- /dev/null +++ b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/StatefulPceCapabilityTlv.java @@ -0,0 +1,269 @@ +/* + * 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(); + } +} |