| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * 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.drivers.server.devices.nic; |
| |
| import java.util.Objects; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| /** |
| * A Receice-Side Scaling (RSS)-based Rx filter value. |
| */ |
| public final class RssRxFilterValue extends RxFilterValue implements Comparable { |
| |
| private int rssHash; |
| |
| /** |
| * Constructs an RSS-based Rx filter. |
| * |
| * @param cpuId CPU ID of the server this tag will lead to |
| */ |
| public RssRxFilterValue(int cpuId) { |
| super(cpuId); |
| setValue(0); |
| } |
| |
| /** |
| * Constructs an RSS-based Rx filter with specific hash. |
| * |
| * @param rssHash a hash value |
| * @param cpuId CPU ID of the server this tag will lead to |
| */ |
| public RssRxFilterValue(int rssHash, int cpuId) { |
| super(cpuId); |
| setValue(rssHash); |
| } |
| |
| /** |
| * Constructs an RSS-based Rx filter out of an existing one. |
| * |
| * @param other a source RssRxFilterValue object |
| */ |
| public RssRxFilterValue(RssRxFilterValue other) { |
| super(other.cpuId); |
| setValue(other.value()); |
| } |
| |
| /** |
| * Returns the value of this Rx filter. |
| * |
| * @return Flow rule as a string |
| */ |
| public int value() { |
| return this.rssHash; |
| } |
| |
| /** |
| * Sets the value of this Rx filter. |
| * |
| * @param rssHash the RSS hash |
| */ |
| public void setValue(int rssHash) { |
| checkArgument(rssHash >= 0, "Invalid RSS Rx filter " + rssHash); |
| this.rssHash = rssHash; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(this.rssHash); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if ((obj == null) || (!(obj instanceof RssRxFilterValue))) { |
| return false; |
| } |
| |
| RssRxFilterValue other = (RssRxFilterValue) obj; |
| |
| return this.value() == other.value(); |
| } |
| |
| @Override |
| public int compareTo(Object other) { |
| if (this == other) { |
| return 0; |
| } |
| |
| if (other == null) { |
| return -1; |
| } |
| |
| if (other instanceof RssRxFilterValue) { |
| RssRxFilterValue otherRxVal = (RssRxFilterValue) other; |
| |
| int thisHash = this.value(); |
| int otherHash = otherRxVal.value(); |
| |
| if (thisHash > otherHash) { |
| return 1; |
| } else if (thisHash < otherHash) { |
| return -1; |
| } else { |
| return 0; |
| } |
| } |
| |
| return -1; |
| } |
| |
| @Override |
| public String toString() { |
| return Integer.toString(this.value()); |
| } |
| |
| } |