| /* |
| * Copyright 2016-present 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.protocol.flowspec; |
| |
| import java.util.Objects; |
| import org.onlab.packet.IpPrefix; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import java.nio.ByteBuffer; |
| |
| import com.google.common.base.MoreObjects; |
| |
| /** |
| * Provides BGP flow specification rule index. |
| */ |
| public class BgpFlowSpecPrefix implements Comparable<Object> { |
| |
| private static final Logger log = LoggerFactory.getLogger(BgpFlowSpecPrefix.class); |
| |
| private final IpPrefix destinationPrefix; |
| private final IpPrefix sourcePrefix; |
| |
| /** |
| * Constructor to initialize parameters. |
| * |
| * @param destinationPrefix destination prefix |
| * @param sourcePrefix source prefix |
| */ |
| public BgpFlowSpecPrefix(IpPrefix destinationPrefix, IpPrefix sourcePrefix) { |
| if (destinationPrefix == null) { |
| destinationPrefix = IpPrefix.valueOf(0, 0); |
| } |
| |
| if (sourcePrefix == null) { |
| sourcePrefix = IpPrefix.valueOf(0, 0); |
| } |
| |
| this.destinationPrefix = destinationPrefix; |
| this.sourcePrefix = sourcePrefix; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(destinationPrefix, sourcePrefix); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if (obj instanceof BgpFlowSpecPrefix) { |
| BgpFlowSpecPrefix other = (BgpFlowSpecPrefix) obj; |
| |
| if ((this.destinationPrefix != null) && (this.sourcePrefix != null) |
| && (this.destinationPrefix.equals(other.destinationPrefix))) { |
| return this.sourcePrefix.equals(other.sourcePrefix); |
| } else if (this.destinationPrefix != null) { |
| return this.destinationPrefix.equals(other.destinationPrefix); |
| } else if (this.sourcePrefix != null) { |
| return this.sourcePrefix.equals(other.sourcePrefix); |
| } |
| return false; |
| } |
| return false; |
| } |
| |
| /** |
| * Returns destination prefix. |
| * |
| * @return destination prefix |
| */ |
| public IpPrefix destinationPrefix() { |
| return this.destinationPrefix; |
| } |
| |
| /** |
| * Returns source prefix. |
| * |
| * @return source prefix |
| */ |
| public IpPrefix sourcePrefix() { |
| return this.sourcePrefix; |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()).omitNullValues() |
| .add("destinationPrefix", destinationPrefix) |
| .add("sourcePrefix", destinationPrefix) |
| .toString(); |
| } |
| |
| /** |
| * Compares this and o object. |
| * |
| * @param o object to be compared with this object |
| * @return which object is greater |
| */ |
| public int compareTo(Object o) { |
| if (this.equals(o)) { |
| return 0; |
| } |
| |
| if (o instanceof BgpFlowSpecPrefix) { |
| BgpFlowSpecPrefix that = (BgpFlowSpecPrefix) o; |
| if (this.destinationPrefix() != null) { |
| if (this.destinationPrefix().prefixLength() == that.destinationPrefix().prefixLength()) { |
| ByteBuffer value1 = ByteBuffer.wrap(this.destinationPrefix().address().toOctets()); |
| ByteBuffer value2 = ByteBuffer.wrap(that.destinationPrefix().address().toOctets()); |
| int cmpVal = value1.compareTo(value2); |
| if (cmpVal != 0) { |
| return cmpVal; |
| } |
| } else { |
| if (this.destinationPrefix().prefixLength() > that.destinationPrefix().prefixLength()) { |
| return 1; |
| } else if (this.destinationPrefix().prefixLength() < that.destinationPrefix().prefixLength()) { |
| return -1; |
| } |
| } |
| } |
| if (this.sourcePrefix() != null) { |
| if (this.sourcePrefix().prefixLength() == that.sourcePrefix().prefixLength()) { |
| ByteBuffer value1 = ByteBuffer.wrap(this.sourcePrefix().address().toOctets()); |
| ByteBuffer value2 = ByteBuffer.wrap(that.sourcePrefix().address().toOctets()); |
| return value1.compareTo(value2); |
| } |
| |
| if (this.sourcePrefix().prefixLength() > that.sourcePrefix().prefixLength()) { |
| return 1; |
| } else if (this.sourcePrefix().prefixLength() < that.sourcePrefix().prefixLength()) { |
| return -1; |
| } |
| } |
| return 0; |
| } |
| return 1; |
| } |
| } |