diff options
Diffstat (limited to 'framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrMetric.java')
-rw-r--r-- | framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrMetric.java | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrMetric.java b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrMetric.java new file mode 100644 index 00000000..1886102c --- /dev/null +++ b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrMetric.java @@ -0,0 +1,137 @@ +/* + * 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 prefix metric attribute. + */ +public class BgpPrefixAttrMetric implements BgpValueType { + + protected static final Logger log = LoggerFactory + .getLogger(BgpPrefixAttrMetric.class); + + public static final int ATTR_PREFIX_METRIC = 1155; + public static final int ATTR_PREFIX_LEN = 4; + + /* TE Default Metric */ + private final int linkPfxMetric; + + /** + * Constructor to initialize value. + * + * @param linkPfxMetric Prefix Metric + */ + public BgpPrefixAttrMetric(int linkPfxMetric) { + this.linkPfxMetric = linkPfxMetric; + } + + /** + * Returns object of this class with specified values. + * + * @param linkPfxMetric Prefix Metric + * @return object of BgpPrefixAttrMetric + */ + public static BgpPrefixAttrMetric of(final int linkPfxMetric) { + return new BgpPrefixAttrMetric(linkPfxMetric); + } + + /** + * Reads the Prefix Metric. + * + * @param cb ChannelBuffer + * @return object of BgpPrefixAttrMetric + * @throws BgpParseException while parsing BgpPrefixAttrMetric + */ + public static BgpPrefixAttrMetric read(ChannelBuffer cb) + throws BgpParseException { + int linkPfxMetric; + + short lsAttrLength = cb.readShort(); // 4 Bytes + + if ((lsAttrLength != ATTR_PREFIX_LEN) + || (cb.readableBytes() < lsAttrLength)) { + Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR, + BgpErrorType.ATTRIBUTE_LENGTH_ERROR, + lsAttrLength); + } + + linkPfxMetric = cb.readInt(); + + return BgpPrefixAttrMetric.of(linkPfxMetric); + } + + /** + * Returns the Prefix Metric. + * + * @return Prefix Metric + */ + public int attrPfxMetric() { + return linkPfxMetric; + } + + @Override + public short getType() { + return ATTR_PREFIX_METRIC; + } + + @Override + public int hashCode() { + return Objects.hash(linkPfxMetric); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + + if (obj instanceof BgpPrefixAttrMetric) { + BgpPrefixAttrMetric other = (BgpPrefixAttrMetric) obj; + return Objects.equals(linkPfxMetric, other.linkPfxMetric); + } + 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("linkPfxMetric", linkPfxMetric).toString(); + } + + @Override + public int compareTo(Object o) { + // TODO Auto-generated method stub + return 0; + } +} |