Thejaswi N K
Committed by ThejaswiNK-Huawei

[onos-2603] - Implements TE default metric

Change-Id: I3d7eb016d7840cb2b556e42bde8c407de6af99b3
/*
* 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.bgpio.types.attr;
import java.util.Objects;
import org.jboss.netty.buffer.ChannelBuffer;
import org.onosproject.bgpio.exceptions.BGPParseException;
import org.onosproject.bgpio.types.BGPErrorType;
import org.onosproject.bgpio.types.BGPValueType;
import org.onosproject.bgpio.util.Validation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.MoreObjects;
/**
* Implements BGP link state Default TE metric link attribute.
*/
public class BgpLinkAttrTeDefaultMetric implements BGPValueType {
protected static final Logger log = LoggerFactory
.getLogger(BgpLinkAttrTeDefaultMetric.class);
public static final int ATTRLINK_TEDEFAULTMETRIC = 1092;
public static final int TE_DATA_LEN = 4;
/* TE Default Metric */
private int linkTeMetric;
/**
* Constructor to initialize the value.
*
* @param linkTeMetric TE default metric
*
*/
public BgpLinkAttrTeDefaultMetric(int linkTeMetric) {
this.linkTeMetric = linkTeMetric;
}
/**
* Returns object of this class with specified values.
*
* @param linkTeMetric TE default metric
* @return object of BgpLinkAttrTeDefaultMetric
*/
public static BgpLinkAttrTeDefaultMetric of(final int linkTeMetric) {
return new BgpLinkAttrTeDefaultMetric(linkTeMetric);
}
/**
* Reads the BGP link attributes of TE default metric.
*
* @param cb Channel buffer
* @return object of type BgpLinkAttrTeDefaultMetric
* @throws BGPParseException while parsing BgpLinkAttrTeDefaultMetric
*/
public static BgpLinkAttrTeDefaultMetric read(ChannelBuffer cb)
throws BGPParseException {
int linkTeMetric;
short lsAttrLength = cb.readShort();
if ((lsAttrLength != TE_DATA_LEN)
|| (cb.readableBytes() < lsAttrLength)) {
Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR,
BGPErrorType.ATTRIBUTE_LENGTH_ERROR,
lsAttrLength);
}
linkTeMetric = cb.readInt();
return new BgpLinkAttrTeDefaultMetric(linkTeMetric);
}
/**
* Returns the TE default metrics.
*
* @return link default metric
*/
public int attrLinkDefTeMetric() {
return linkTeMetric;
}
@Override
public short getType() {
return ATTRLINK_TEDEFAULTMETRIC;
}
@Override
public int hashCode() {
return Objects.hash(linkTeMetric);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof BgpLinkAttrTeDefaultMetric) {
BgpLinkAttrTeDefaultMetric other = (BgpLinkAttrTeDefaultMetric) obj;
return Objects.equals(linkTeMetric, other.linkTeMetric);
}
return false;
}
@Override
public int write(ChannelBuffer cb) {
// TODO This will be implemented in the next version
return 0;
}
@Override
public String toString() {
return MoreObjects.toStringHelper(getClass())
.add("linkTEMetric", linkTeMetric).toString();
}
}
/*
* 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.bgp;
import org.junit.Test;
import org.onosproject.bgpio.types.attr.BgpLinkAttrTeDefaultMetric;
import com.google.common.testing.EqualsTester;
/**
* Test for BGP link TE default metric attribute.
*/
public class BgpLinkAttrTeDefaultMetricTest {
private final int val = 0x010203;
private final int val1 = 0x01020304;
private final BgpLinkAttrTeDefaultMetric data = BgpLinkAttrTeDefaultMetric
.of(val);
private final BgpLinkAttrTeDefaultMetric sameAsData = BgpLinkAttrTeDefaultMetric
.of(val);
private final BgpLinkAttrTeDefaultMetric diffData = BgpLinkAttrTeDefaultMetric
.of(val1);
@Test
public void basics() {
new EqualsTester().addEqualityGroup(data, sameAsData)
.addEqualityGroup(diffData).testEquals();
}
}
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