diff options
Diffstat (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/ISISAreaIdentifierTlv.java')
-rw-r--r-- | framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/ISISAreaIdentifierTlv.java | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/ISISAreaIdentifierTlv.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/ISISAreaIdentifierTlv.java new file mode 100644 index 00000000..648dbb66 --- /dev/null +++ b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/ISISAreaIdentifierTlv.java @@ -0,0 +1,155 @@ +/* + * 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; +import com.google.common.base.MoreObjects.ToStringHelper; + +/** + * Provides ISIS Area Identifier. + */ +public class ISISAreaIdentifierTlv implements PcepValueType { + + /* Reference :[I-D.ietf-idr- ls-distribution]/3.3.1.2 + * 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=[TBD24] | Length | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + // Area Identifier (variable) // + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + + protected static final Logger log = LoggerFactory.getLogger(ISISAreaIdentifierTlv.class); + + public static final short TYPE = 107; //TODO:NEED TO HANDLE TBD24 + private short hLength; + + private final byte[] rawValue; + + /** + * Constructor to initialize rawValue. + * + * @param rawValue ISIS-Area-Identifier + * @param hLength length + */ + public ISISAreaIdentifierTlv(byte[] rawValue, short hLength) { + log.debug("ISISAreaIdentifierTlv"); + this.rawValue = rawValue; + if (0 == hLength) { + this.hLength = (short) rawValue.length; + } else { + this.hLength = hLength; + } + } + + /** + * Returns newly created ISISAreaIdentifierTlv object. + * + * @param raw ISIS-Area-Identifier + * @param hLength length + * @return object of ISISAreaIdentifierTlv + */ + public static ISISAreaIdentifierTlv of(final byte[] raw, short hLength) { + return new ISISAreaIdentifierTlv(raw, hLength); + } + + /** + * Returns value of ISIS-Area-Identifier. + * + * @return byte array of rawValue + */ + public byte[] getValue() { + return rawValue; + } + + @Override + public PcepVersion getVersion() { + return PcepVersion.PCEP_1; + } + + @Override + public short getType() { + return TYPE; + } + + @Override + public short getLength() { + return hLength; + } + + @Override + public int hashCode() { + return Objects.hash(rawValue); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof ISISAreaIdentifierTlv) { + ISISAreaIdentifierTlv other = (ISISAreaIdentifierTlv) obj; + return Objects.equals(hLength, other.hLength) && Objects.equals(rawValue, other.rawValue); + } + return false; + } + + @Override + public int write(ChannelBuffer c) { + int iLenStartIndex = c.writerIndex(); + c.writeShort(TYPE); + c.writeShort(hLength); + c.writeBytes(rawValue); + return c.writerIndex() - iLenStartIndex; + } + + /** + * Reads the channel buffer and returns object of ISISAreaIdentifierTlv. + * + * @param c input channel buffer + * @param hLength length + * @return object of ISISAreaIdentifierTlv + */ + public static PcepValueType read(ChannelBuffer c, short hLength) { + byte[] iISISAreaIdentifier = new byte[hLength]; + c.readBytes(iISISAreaIdentifier, 0, hLength); + return new ISISAreaIdentifierTlv(iISISAreaIdentifier, hLength); + } + + @Override + public String toString() { + ToStringHelper toStrHelper = MoreObjects.toStringHelper(getClass()); + + toStrHelper.add("Type", TYPE); + toStrHelper.add("Length", hLength); + + StringBuffer result = new StringBuffer(); + for (byte b : rawValue) { + result.append(String.format("%02X ", b)); + } + toStrHelper.add("Value", result); + + return toStrHelper.toString(); + } +} |