Sho SHIMIZU | fbc80e5 | 2015-04-28 10:41:58 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2015-present Open Networking Laboratory |
Sho SHIMIZU | fbc80e5 | 2015-04-28 10:41:58 -0700 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.net.flow.criteria; |
| 17 | |
| 18 | import java.util.Objects; |
| 19 | |
Sho SHIMIZU | fbc80e5 | 2015-04-28 10:41:58 -0700 | [diff] [blame] | 20 | /** |
| 21 | * Implementation of ICMP code criterion (8 bits unsigned integer). |
| 22 | */ |
| 23 | public final class IcmpCodeCriterion implements Criterion { |
| 24 | private static final short MASK = 0xff; |
| 25 | private final short icmpCode; // The ICMP code: 8 bits |
| 26 | |
| 27 | /** |
| 28 | * Constructor. |
| 29 | * |
| 30 | * @param icmpCode the ICMP code to match (8 bits unsigned integer) |
| 31 | */ |
| 32 | IcmpCodeCriterion(short icmpCode) { |
| 33 | this.icmpCode = (short) (icmpCode & MASK); |
| 34 | } |
| 35 | |
| 36 | @Override |
| 37 | public Type type() { |
| 38 | return Type.ICMPV4_CODE; |
| 39 | } |
| 40 | |
| 41 | /** |
| 42 | * Gets the ICMP code to match. |
| 43 | * |
| 44 | * @return the ICMP code to match (8 bits unsigned integer) |
| 45 | */ |
| 46 | public short icmpCode() { |
| 47 | return icmpCode; |
| 48 | } |
| 49 | |
| 50 | @Override |
| 51 | public String toString() { |
Jonathan Hart | c7840bd | 2016-01-21 23:26:29 -0800 | [diff] [blame] | 52 | return type().toString() + SEPARATOR + icmpCode; |
Sho SHIMIZU | fbc80e5 | 2015-04-28 10:41:58 -0700 | [diff] [blame] | 53 | } |
| 54 | |
| 55 | @Override |
| 56 | public int hashCode() { |
Thomas Vachuska | 6c8eff3 | 2015-05-27 16:11:44 -0700 | [diff] [blame] | 57 | return Objects.hash(type().ordinal(), icmpCode); |
Sho SHIMIZU | fbc80e5 | 2015-04-28 10:41:58 -0700 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | @Override |
| 61 | public boolean equals(Object obj) { |
| 62 | if (this == obj) { |
| 63 | return true; |
| 64 | } |
| 65 | if (obj instanceof IcmpCodeCriterion) { |
| 66 | IcmpCodeCriterion that = (IcmpCodeCriterion) obj; |
| 67 | return Objects.equals(icmpCode, that.icmpCode) && |
| 68 | Objects.equals(this.type(), that.type()); |
| 69 | } |
| 70 | return false; |
| 71 | } |
| 72 | } |