diff options
Diffstat (limited to 'framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrExtRouteTag.java')
-rw-r--r-- | framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrExtRouteTag.java | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrExtRouteTag.java b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrExtRouteTag.java new file mode 100644 index 00000000..a2d7c57e --- /dev/null +++ b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrExtRouteTag.java @@ -0,0 +1,145 @@ +/* + * 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 static com.google.common.base.Preconditions.checkNotNull; + +import java.util.ArrayList; +import java.util.List; +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 Extended tag attribute. + */ +public class BgpPrefixAttrExtRouteTag implements BgpValueType { + + protected static final Logger log = LoggerFactory + .getLogger(BgpPrefixAttrExtRouteTag.class); + + public static final int ATTR_PREFIX_EXTROUTETAG = 1154; + public static final int ATTR_PREFIX_EXT_LEN = 8; + + /* Prefix Route Tag */ + private List<Long> pfxExtRouteTag = new ArrayList<Long>(); + + /** + * Constructor to initialize the values. + * + * @param pfxExtRouteTag Extended route tag + */ + public BgpPrefixAttrExtRouteTag(List<Long> pfxExtRouteTag) { + this.pfxExtRouteTag = checkNotNull(pfxExtRouteTag); + } + + /** + * Returns object of this class with specified values. + * + * @param pfxExtRouteTag Prefix Metric + * @return object of BgpPrefixAttrMetric + */ + public static BgpPrefixAttrExtRouteTag of(ArrayList<Long> pfxExtRouteTag) { + return new BgpPrefixAttrExtRouteTag(pfxExtRouteTag); + } + + /** + * Reads the Extended Tag. + * + * @param cb ChannelBuffer + * @return object of BgpPrefixAttrExtRouteTag + * @throws BgpParseException while parsing BgpPrefixAttrExtRouteTag + */ + public static BgpPrefixAttrExtRouteTag read(ChannelBuffer cb) + throws BgpParseException { + ArrayList<Long> pfxExtRouteTag = new ArrayList<Long>(); + long temp; + + short lsAttrLength = cb.readShort(); + int len = lsAttrLength / ATTR_PREFIX_EXT_LEN; + + if (cb.readableBytes() < lsAttrLength) { + Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR, + BgpErrorType.ATTRIBUTE_LENGTH_ERROR, + lsAttrLength); + } + + for (int i = 0; i < len; i++) { + temp = cb.readLong(); + pfxExtRouteTag.add(new Long(temp)); + } + + return new BgpPrefixAttrExtRouteTag(pfxExtRouteTag); + } + + /** + * Returns Extended route tag. + * + * @return route tag + */ + public List<Long> pfxExtRouteTag() { + return pfxExtRouteTag; + } + + @Override + public short getType() { + return ATTR_PREFIX_EXTROUTETAG; + } + + @Override + public int hashCode() { + return Objects.hash(pfxExtRouteTag); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + + if (obj instanceof BgpPrefixAttrExtRouteTag) { + BgpPrefixAttrExtRouteTag other = (BgpPrefixAttrExtRouteTag) obj; + return Objects.equals(pfxExtRouteTag, other.pfxExtRouteTag); + } + 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("pfxExtRouteTag", pfxExtRouteTag).toString(); + } + + @Override + public int compareTo(Object o) { + // TODO Auto-generated method stub + return 0; + } +} |