| /* |
| * 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 attribute opaque node. |
| */ |
| public class BgpAttrOpaqueNode implements BgpValueType { |
| |
| protected static final Logger log = LoggerFactory |
| .getLogger(BgpAttrOpaqueNode.class); |
| |
| public static final int ATTRNODE_OPAQUEDATA = 1025; |
| |
| /* Opaque Node Attribute */ |
| private byte[] opaqueNodeAttribute; |
| |
| /** |
| * Constructor to initialize parameter. |
| * |
| * @param opaqueNodeAttribute opaque node attribute |
| */ |
| public BgpAttrOpaqueNode(byte[] opaqueNodeAttribute) { |
| this.opaqueNodeAttribute = Arrays.copyOf(opaqueNodeAttribute, opaqueNodeAttribute.length); |
| } |
| |
| /** |
| * Returns object of this class with specified values. |
| * |
| * @param opaqueNodeAttribute Prefix Metric |
| * @return object of BgpAttrOpaqueNode |
| */ |
| public static BgpAttrOpaqueNode of(byte[] opaqueNodeAttribute) { |
| return new BgpAttrOpaqueNode(opaqueNodeAttribute); |
| } |
| |
| /** |
| * Reads the Opaque Node Properties. |
| * |
| * @param cb ChannelBuffer |
| * @return object of BgpAttrOpaqueNode |
| * @throws BgpParseException while parsing BgpAttrOpaqueNode |
| */ |
| public static BgpAttrOpaqueNode read(ChannelBuffer cb) |
| throws BgpParseException { |
| |
| byte[] opaqueNodeAttribute; |
| |
| short lsAttrLength = cb.readShort(); |
| |
| if (cb.readableBytes() < lsAttrLength) { |
| Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR, |
| BgpErrorType.ATTRIBUTE_LENGTH_ERROR, |
| lsAttrLength); |
| } |
| |
| opaqueNodeAttribute = new byte[lsAttrLength]; |
| cb.readBytes(opaqueNodeAttribute); |
| |
| return BgpAttrOpaqueNode.of(opaqueNodeAttribute); |
| } |
| |
| /** |
| * Returns opaque node attribute. |
| * |
| * @return LS node attribute value |
| */ |
| public byte[] attrOpaqueNode() { |
| return opaqueNodeAttribute; |
| } |
| |
| @Override |
| public short getType() { |
| return ATTRNODE_OPAQUEDATA; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Arrays.hashCode(opaqueNodeAttribute); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if (obj instanceof BgpAttrOpaqueNode) { |
| BgpAttrOpaqueNode other = (BgpAttrOpaqueNode) obj; |
| return Arrays |
| .equals(opaqueNodeAttribute, other.opaqueNodeAttribute); |
| } |
| 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("opaqueNodeAttribute", opaqueNodeAttribute).toString(); |
| } |
| |
| @Override |
| public int compareTo(Object o) { |
| // TODO Auto-generated method stub |
| return 0; |
| } |
| } |