| /* |
| * 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 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 name attribute. |
| */ |
| public class BgpLinkAttrName implements BGPValueType { |
| |
| protected static final Logger log = LoggerFactory |
| .getLogger(BgpLinkAttrName.class); |
| |
| public static final int ATTRLINK_NAME = 1098; |
| |
| /* Link Name */ |
| private byte[] linkName; |
| |
| /** |
| * Constructor to initialize the values. |
| * |
| * @param linkName link name |
| */ |
| public BgpLinkAttrName(byte[] linkName) { |
| this.linkName = Arrays.copyOf(linkName, linkName.length); |
| } |
| |
| /** |
| * Returns object of this class with specified values. |
| * |
| * @param linkName Prefix Metric |
| * @return object of BgpLinkAttrName |
| */ |
| public static BgpLinkAttrName of(byte[] linkName) { |
| return new BgpLinkAttrName(linkName); |
| } |
| |
| /** |
| * Reads the BGP link attributes Name. |
| * |
| * @param cb Channel buffer |
| * @return object of type BgpLinkAttrName |
| * @throws BGPParseException while parsing BgpLinkAttrName |
| */ |
| public static BgpLinkAttrName read(ChannelBuffer cb) |
| throws BGPParseException { |
| byte[] linkName; |
| short lsAttrLength = cb.readShort(); |
| |
| if (cb.readableBytes() < lsAttrLength) { |
| Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, |
| BGPErrorType.ATTRIBUTE_LENGTH_ERROR, |
| lsAttrLength); |
| } |
| |
| linkName = new byte[lsAttrLength]; |
| cb.readBytes(linkName); |
| return BgpLinkAttrName.of(linkName); |
| } |
| |
| /** |
| * Returns the link name. |
| * |
| * @return link name |
| */ |
| public byte[] attrLinkName() { |
| return linkName; |
| } |
| |
| @Override |
| public short getType() { |
| return ATTRLINK_NAME; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Arrays.hashCode(linkName); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if (obj instanceof BgpLinkAttrName) { |
| BgpLinkAttrName other = (BgpLinkAttrName) obj; |
| return Arrays.equals(linkName, other.linkName); |
| } |
| 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("linkName", linkName).toString(); |
| } |
| } |