diff options
Diffstat (limited to 'framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTag.java')
-rwxr-xr-x | framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTag.java | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTag.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTag.java new file mode 100755 index 00000000..0cf02386 --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTag.java @@ -0,0 +1,125 @@ +/* + * 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.Arrays; +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 route tag attribute. + */ +public class BgpPrefixAttrRouteTag implements BGPValueType { + + protected static final Logger log = LoggerFactory + .getLogger(BgpPrefixAttrRouteTag.class); + + public static final int ATTR_PREFIX_ROUTETAG = 1153; + + /* Prefix Route Tag */ + private int[] pfxRouteTag; + + /** + * Constructor to initialize the values. + * + * @param pfxRouteTag prefix route tag + */ + BgpPrefixAttrRouteTag(int[] pfxRouteTag) { + this.pfxRouteTag = Arrays.copyOf(pfxRouteTag, pfxRouteTag.length); + } + + /** + * Reads the Route Tag. + * + * @param cb ChannelBuffer + * @return object of BgpPrefixAttrRouteTag + * @throws BGPParseException while parsing BgpPrefixAttrRouteTag + */ + public static BgpPrefixAttrRouteTag read(ChannelBuffer cb) + throws BGPParseException { + int[] pfxRouteTag; + + short lsAttrLength = cb.readShort(); + int len = lsAttrLength / Integer.SIZE; + + if (cb.readableBytes() < lsAttrLength) { + Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.ATTRIBUTE_LENGTH_ERROR, + lsAttrLength); + } + + pfxRouteTag = new int[lsAttrLength]; + + for (int i = 0; i < len; i++) { + pfxRouteTag[i] = cb.readInt(); + } + + return new BgpPrefixAttrRouteTag(pfxRouteTag); + } + + /** + * Returns the prefix route tag. + * + * @return route tag + */ + int[] getPfxRouteTag() { + return pfxRouteTag; + } + + @Override + public short getType() { + return ATTR_PREFIX_ROUTETAG; + } + + @Override + public int hashCode() { + return Objects.hash(pfxRouteTag); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + + if (obj instanceof BgpPrefixAttrRouteTag) { + BgpPrefixAttrRouteTag other = (BgpPrefixAttrRouteTag) obj; + return Objects.equals(pfxRouteTag, other.pfxRouteTag); + } + 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()).omitNullValues() + .add("pfxRouteTag", pfxRouteTag).toString(); + } +} |