Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 1 | /* |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Laboratory |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [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 | |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame] | 17 | package org.onosproject.bmv2.api.runtime; |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 18 | |
Carmelo Cascone | 9e39e31 | 2016-06-16 14:47:09 -0700 | [diff] [blame] | 19 | import com.google.common.annotations.Beta; |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 20 | import com.google.common.base.MoreObjects; |
| 21 | import com.google.common.collect.Lists; |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame] | 22 | import org.onlab.util.ImmutableByteSequence; |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 23 | |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 24 | import java.util.Collections; |
| 25 | import java.util.List; |
| 26 | import java.util.Objects; |
| 27 | |
| 28 | import static com.google.common.base.Preconditions.checkNotNull; |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame] | 29 | import static com.google.common.base.Preconditions.checkState; |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 30 | |
| 31 | /** |
Carmelo Cascone | 17fc9e4 | 2016-05-31 11:29:21 -0700 | [diff] [blame] | 32 | * An action of a BMv2 match-action table entry. |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 33 | */ |
Carmelo Cascone | 9e39e31 | 2016-06-16 14:47:09 -0700 | [diff] [blame] | 34 | @Beta |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 35 | public final class Bmv2Action { |
| 36 | |
| 37 | private final String name; |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame] | 38 | private final List<ImmutableByteSequence> parameters; |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 39 | |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame] | 40 | private Bmv2Action(String name, List<ImmutableByteSequence> parameters) { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 41 | // hide constructor |
| 42 | this.name = name; |
| 43 | this.parameters = parameters; |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * Returns a new action builder. |
| 48 | */ |
| 49 | public static Builder builder() { |
| 50 | return new Builder(); |
| 51 | } |
| 52 | |
| 53 | /** |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame] | 54 | * Return the name of this action. |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 55 | * |
| 56 | * @return action name |
| 57 | */ |
| 58 | public final String name() { |
| 59 | return name; |
| 60 | } |
| 61 | |
| 62 | /** |
Carmelo Cascone | 9e39e31 | 2016-06-16 14:47:09 -0700 | [diff] [blame] | 63 | * Returns an immutable view of the list of parameters of this action. |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 64 | * |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame] | 65 | * @return list of byte sequence |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 66 | */ |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame] | 67 | public final List<ImmutableByteSequence> parameters() { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 68 | return Collections.unmodifiableList(parameters); |
| 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public final int hashCode() { |
| 73 | return Objects.hash(name, parameters); |
| 74 | } |
| 75 | |
| 76 | @Override |
| 77 | public final boolean equals(Object obj) { |
| 78 | if (this == obj) { |
| 79 | return true; |
| 80 | } |
| 81 | if (obj == null || getClass() != obj.getClass()) { |
| 82 | return false; |
| 83 | } |
| 84 | final Bmv2Action other = (Bmv2Action) obj; |
| 85 | return Objects.equals(this.name, other.name) |
| 86 | && Objects.equals(this.parameters, other.parameters); |
| 87 | } |
| 88 | |
| 89 | @Override |
| 90 | public final String toString() { |
| 91 | return MoreObjects.toStringHelper(this) |
| 92 | .add("name", name) |
| 93 | .add("parameters", parameters) |
| 94 | .toString(); |
| 95 | } |
| 96 | |
| 97 | /** |
Carmelo Cascone | 17fc9e4 | 2016-05-31 11:29:21 -0700 | [diff] [blame] | 98 | * A BMv2 action builder. |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 99 | */ |
| 100 | public static final class Builder { |
| 101 | |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame] | 102 | private String name = null; |
| 103 | private List<ImmutableByteSequence> parameters; |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 104 | |
| 105 | private Builder() { |
| 106 | this.parameters = Lists.newArrayList(); |
| 107 | } |
| 108 | |
| 109 | /** |
Carmelo Cascone | 9e39e31 | 2016-06-16 14:47:09 -0700 | [diff] [blame] | 110 | * Sets the action name. |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 111 | * |
| 112 | * @param actionName a string value |
| 113 | * @return this |
| 114 | */ |
| 115 | public Builder withName(String actionName) { |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame] | 116 | this.name = checkNotNull(actionName); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 117 | return this; |
| 118 | } |
| 119 | |
| 120 | /** |
Carmelo Cascone | 9e39e31 | 2016-06-16 14:47:09 -0700 | [diff] [blame] | 121 | * Adds a parameter at the end of the parameters list. |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 122 | * |
| 123 | * @param parameter a ByteBuffer value |
| 124 | * @return this |
| 125 | */ |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame] | 126 | public Builder addParameter(ImmutableByteSequence parameter) { |
| 127 | parameters.add(checkNotNull(parameter)); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 128 | return this; |
| 129 | } |
| 130 | |
| 131 | /** |
Carmelo Cascone | 17fc9e4 | 2016-05-31 11:29:21 -0700 | [diff] [blame] | 132 | * Builds a BMv2 action object. |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 133 | * |
Carmelo Cascone | 17fc9e4 | 2016-05-31 11:29:21 -0700 | [diff] [blame] | 134 | * @return a BMv2 action |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 135 | */ |
| 136 | public Bmv2Action build() { |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame] | 137 | checkState(name != null, "action name not set"); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 138 | return new Bmv2Action(name, parameters); |
| 139 | } |
| 140 | } |
| 141 | } |