diff options
Diffstat (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TedCapabilityTlv.java')
-rw-r--r-- | framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TedCapabilityTlv.java | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TedCapabilityTlv.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TedCapabilityTlv.java new file mode 100644 index 00000000..189dcadc --- /dev/null +++ b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TedCapabilityTlv.java @@ -0,0 +1,181 @@ +/* + * 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 TED Capability Tlv. + */ +public class TedCapabilityTlv implements PcepValueType { + + /* + * Reference :PCEP Extension for Transporting TE Data draft-dhodylee-pce-pcep-te-data-extn-02 + * 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(TedCapabilityTlv.class); + + public static final short TYPE = 132; //TODO: need to change this TBD5 + public static final short LENGTH = 4; + public static final int SET = 1; + public static final byte RFLAG_CHECK = 0x01; + + private final boolean bRFlag; + private final int rawValue; + private final boolean isRawValueSet; + + /** + * Constructor to initialize raw Value. + * + * @param rawValue Flags + */ + public TedCapabilityTlv(final int rawValue) { + this.rawValue = rawValue; + this.isRawValueSet = true; + int temp = rawValue; + temp = temp & RFLAG_CHECK; + if (temp == SET) { + this.bRFlag = true; + } else { + this.bRFlag = false; + } + + } + + /** + * Constructor to initialize bRFlag. + * + * @param bRFlag R-flag + */ + public TedCapabilityTlv(boolean bRFlag) { + this.bRFlag = bRFlag; + this.rawValue = 0; + this.isRawValueSet = false; + } + + /** + * Returns R-flag. + * + * @return bRFlag + */ + public boolean getbRFlag() { + return bRFlag; + } + + /** + * Returns an object of TedCapabilityTlv. + * + * @param raw value Flags + * @return object of TedCapabilityTlv + */ + public static TedCapabilityTlv of(final int raw) { + return new TedCapabilityTlv(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(bRFlag); + } + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof TedCapabilityTlv) { + TedCapabilityTlv other = (TedCapabilityTlv) obj; + if (isRawValueSet) { + return Objects.equals(this.rawValue, other.rawValue); + } else { + return Objects.equals(this.bRFlag, other.bRFlag); + } + } + 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 (bRFlag) { + temp = temp | RFLAG_CHECK; + } + c.writeInt(temp); + } + return c.writerIndex() - iStartIndex; + } + + /** + * Reads channel buffer and returns object of TedCapabilityTlv. + * + * @param c input channel buffer + * @return object of TedCapabilityTlv + */ + public static TedCapabilityTlv read(ChannelBuffer c) { + return TedCapabilityTlv.of(c.readInt()); + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("Type", TYPE) + .add("Length", LENGTH) + .add("Value", rawValue) + .toString(); + } +} |