| /* |
| * 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.net.flow.criteria; |
| |
| import java.util.Objects; |
| |
| import static com.google.common.base.MoreObjects.toStringHelper; |
| |
| /** |
| * Implementation of IPv6 Flow Label (RFC 6437) criterion (20 bits unsigned |
| * integer). |
| */ |
| public final class IPv6FlowLabelCriterion implements Criterion { |
| private static final int MASK = 0xfffff; |
| private final int flowLabel; // IPv6 flow label: 20 bits |
| |
| /** |
| * Constructor. |
| * |
| * @param flowLabel the IPv6 flow label to match (20 bits) |
| */ |
| IPv6FlowLabelCriterion(int flowLabel) { |
| this.flowLabel = flowLabel & MASK; |
| } |
| |
| @Override |
| public Type type() { |
| return Type.IPV6_FLABEL; |
| } |
| |
| /** |
| * Gets the IPv6 flow label to match. |
| * |
| * @return the IPv6 flow label to match (20 bits) |
| */ |
| public int flowLabel() { |
| return flowLabel; |
| } |
| |
| @Override |
| public String toString() { |
| return toStringHelper(type().toString()) |
| .add("flowLabel", Long.toHexString(flowLabel)).toString(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(type().ordinal(), flowLabel); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof IPv6FlowLabelCriterion) { |
| IPv6FlowLabelCriterion that = (IPv6FlowLabelCriterion) obj; |
| return Objects.equals(flowLabel, that.flowLabel) && |
| Objects.equals(this.type(), that.type()); |
| } |
| return false; |
| } |
| } |