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/*
* 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 opaque attribute.
*/
public final class BgpLinkAttrOpaqLnkAttrib implements BgpValueType {
protected static final Logger log = LoggerFactory
.getLogger(BgpLinkAttrOpaqLnkAttrib.class);
public static final int ATTRNODE_OPAQUELNKATTRIB = 1097;
/* Opaque Node Attribute */
private final byte[] opaqueLinkAttribute;
/**
* Constructor to initialize the data.
*
* @param opaqueLinkAttribute opaque link attribute
*/
private BgpLinkAttrOpaqLnkAttrib(byte[] opaqueLinkAttribute) {
this.opaqueLinkAttribute = Arrays.copyOf(opaqueLinkAttribute,
opaqueLinkAttribute.length);
}
/**
* Returns object of this class with specified values.
*
* @param opaqueLinkAttribute opaque link attribute
* @return object of BgpLinkAttrOpaqLnkAttrib
*/
public static BgpLinkAttrOpaqLnkAttrib of(final byte[] opaqueLinkAttribute) {
return new BgpLinkAttrOpaqLnkAttrib(opaqueLinkAttribute);
}
/**
* Reads the BGP link attributes Opaque link attribute.
*
* @param cb Channel buffer
* @return object of type BgpLinkAttrOpaqLnkAttrib
* @throws BgpParseException while parsing BgpLinkAttrOpaqLnkAttrib
*/
public static BgpLinkAttrOpaqLnkAttrib read(ChannelBuffer cb)
throws BgpParseException {
byte[] opaqueLinkAttribute;
short lsAttrLength = cb.readShort();
if (cb.readableBytes() < lsAttrLength) {
Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR,
BgpErrorType.ATTRIBUTE_LENGTH_ERROR,
lsAttrLength);
}
opaqueLinkAttribute = new byte[lsAttrLength];
cb.readBytes(opaqueLinkAttribute);
return BgpLinkAttrOpaqLnkAttrib.of(opaqueLinkAttribute);
}
/**
* Returns the Opaque link attribute.
*
* @return byte array of opaque link attribute.
*/
public byte[] attrOpaqueLnk() {
return opaqueLinkAttribute;
}
@Override
public short getType() {
return ATTRNODE_OPAQUELNKATTRIB;
}
@Override
public int hashCode() {
return Arrays.hashCode(opaqueLinkAttribute);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof BgpLinkAttrOpaqLnkAttrib) {
BgpLinkAttrOpaqLnkAttrib other = (BgpLinkAttrOpaqLnkAttrib) obj;
return Arrays
.equals(opaqueLinkAttribute, other.opaqueLinkAttribute);
}
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("opaqueLinkAttribute", opaqueLinkAttribute).toString();
}
@Override
public int compareTo(Object o) {
// TODO Auto-generated method stub
return 0;
}
}
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