diff options
Diffstat (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IGPMetricTlv.java')
-rw-r--r-- | framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IGPMetricTlv.java | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IGPMetricTlv.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IGPMetricTlv.java new file mode 100644 index 00000000..07cfea7f --- /dev/null +++ b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IGPMetricTlv.java @@ -0,0 +1,150 @@ +/* + * 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.Arrays; + +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 IGP Link Metric . + */ +public class IGPMetricTlv implements PcepValueType { + + /* Reference :[I-D.ietf-idr-ls-distribution] /3.3.2.4 + * 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=TDB40 | Length | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + // IGP Link Metric (variable length) // + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + + protected static final Logger log = LoggerFactory.getLogger(IGPMetricTlv.class); + + public static final short TYPE = 1095; //TODO:NEED TO HANDLE TDB40 + private short hLength; + + private final byte[] rawValue; + + /** + * Constructor to initialize raw value. + * + * @param rawValue IGP Link Metric + * @param hLength length + */ + public IGPMetricTlv(byte[] rawValue, short hLength) { + this.rawValue = rawValue; + this.hLength = hLength; + } + + /** + * Returns newly created IGPMetricTlv object. + * + * @param raw value of IGP Link Metric + * @param hLength length + * @return object of IGPMetricTlv + */ + public static IGPMetricTlv of(final byte[] raw, short hLength) { + return new IGPMetricTlv(raw, hLength); + } + + /** + * Returns value of IGP Link Metric. + * + * @return rawValue of IGP Link Metric + */ + 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 Arrays.hashCode(rawValue); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof IGPMetricTlv) { + IGPMetricTlv other = (IGPMetricTlv) obj; + return Arrays.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 IGPMetricTlv. + * + * @param c input channel buffer + * @param hLength length + * @return object of IGPMetricTlv + */ + public static PcepValueType read(ChannelBuffer c, short hLength) { + byte[] iIGPMetric = new byte[hLength]; + c.readBytes(iIGPMetric, 0, hLength); + return new IGPMetricTlv(iIGPMetric, 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(); + } +} |