Andrea Campanella | 545edb4 | 2018-03-20 16:37:29 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 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.mcast.api; |
| 17 | |
| 18 | import com.google.common.annotations.Beta; |
| 19 | import com.google.common.collect.ImmutableMap; |
| 20 | import com.google.common.collect.ImmutableSet; |
| 21 | import org.onosproject.net.ConnectPoint; |
| 22 | import org.onosproject.net.HostId; |
| 23 | |
| 24 | import java.util.Collection; |
| 25 | import java.util.Map; |
| 26 | import java.util.Objects; |
| 27 | import java.util.Set; |
| 28 | import java.util.concurrent.ConcurrentHashMap; |
| 29 | import java.util.stream.Collectors; |
| 30 | |
| 31 | import static com.google.common.base.MoreObjects.toStringHelper; |
| 32 | import static com.google.common.base.Preconditions.checkArgument; |
| 33 | import static com.google.common.base.Preconditions.checkNotNull; |
| 34 | |
| 35 | /** |
| 36 | * Data regarding a multicast route, comprised of a type, multiple sources and multiple sinks. |
| 37 | */ |
| 38 | @Beta |
| 39 | public final class McastRouteData { |
| 40 | |
| 41 | private final ConcurrentHashMap<ConnectPoint, Boolean> sources = new ConcurrentHashMap<>(); |
| 42 | private final ConcurrentHashMap<HostId, Set<ConnectPoint>> sinks = new ConcurrentHashMap<>(); |
| 43 | |
| 44 | private McastRouteData() { |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * Sources contained in the associated route. |
| 49 | * |
| 50 | * @return set of sources |
| 51 | */ |
| 52 | public Set<ConnectPoint> sources() { |
| 53 | return ImmutableSet.copyOf(sources.keySet()); |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Sources contained in the associated route. |
| 58 | * |
| 59 | * @return map of hostIds and associated sinks |
| 60 | */ |
| 61 | public Map<HostId, Set<ConnectPoint>> sinks() { |
| 62 | return ImmutableMap.copyOf(sinks); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Sources contained in the associated route. |
| 67 | * |
| 68 | * @return map of hostIds and associated sinks |
| 69 | */ |
| 70 | public Set<ConnectPoint> allSinks() { |
| 71 | return sinks.values().stream().flatMap(Collection::stream).collect(Collectors.toSet()); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Sinks contained in the associated route for the given host. |
| 76 | * |
| 77 | * @param hostId the host |
| 78 | * @return set of sinks |
| 79 | */ |
| 80 | public Set<ConnectPoint> sinks(HostId hostId) { |
| 81 | return sinks.get(hostId); |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Sinks contained in the associated route that are not bound to any host. |
| 86 | * |
| 87 | * @return set of sinks |
| 88 | */ |
| 89 | public Set<ConnectPoint> nonHostSinks() { |
| 90 | return sinks.get(HostId.NONE); |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * Add the sources for the associated route. |
| 95 | * |
| 96 | * @param sources set of sources |
| 97 | */ |
| 98 | public void addSources(Set<ConnectPoint> sources) { |
| 99 | checkArgument(!sources.contains(null)); |
Andrea Campanella | 7c8bcdf | 2018-03-26 23:29:11 -0700 | [diff] [blame^] | 100 | sources.forEach(source -> this.sources.put(source, true)); |
Andrea Campanella | 545edb4 | 2018-03-20 16:37:29 -0700 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Removes all the sources contained in the associated route. |
| 105 | */ |
| 106 | public void removeSources() { |
| 107 | sources.clear(); |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * Removes the given sources contained in the associated route. |
| 112 | * |
| 113 | * @param sources the sources to remove |
| 114 | */ |
| 115 | public void removeSources(Set<ConnectPoint> sources) { |
| 116 | checkArgument(!sources.contains(null)); |
| 117 | sources.forEach(this.sources::remove); |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Adds sinks for a given host Id. If the Host Id is {@link HostId#NONE} the sinks are intended to be |
| 122 | * used at all times independently of the attached host. |
| 123 | * |
| 124 | * @param hostId the host |
| 125 | * @param sinks the sinks |
| 126 | */ |
| 127 | public void addSinks(HostId hostId, Set<ConnectPoint> sinks) { |
| 128 | checkNotNull(hostId); |
| 129 | checkArgument(!sinks.contains(null)); |
Andrea Campanella | 7c8bcdf | 2018-03-26 23:29:11 -0700 | [diff] [blame^] | 130 | //if existing we add to current set, otherwise we put them all |
| 131 | if (this.sinks.containsKey(hostId)) { |
| 132 | this.sinks.get(hostId).addAll(sinks); |
| 133 | } else { |
| 134 | this.sinks.put(hostId, sinks); |
| 135 | } |
Andrea Campanella | 545edb4 | 2018-03-20 16:37:29 -0700 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | /** |
| 139 | * Adds sink for this route that are not associated directly with a given host. |
| 140 | * |
| 141 | * @param sinks the sinks |
| 142 | */ |
| 143 | public void addNonHostSinks(Set<ConnectPoint> sinks) { |
| 144 | checkArgument(!sinks.contains(null)); |
| 145 | this.sinks.put(HostId.NONE, sinks); |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Removes all the sinks for this route. |
| 150 | */ |
| 151 | public void removeSinks() { |
| 152 | sinks.clear(); |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * Removes all the sinks for the given host for this route. |
| 157 | * |
| 158 | * @param hostId the host |
| 159 | */ |
| 160 | public void removeSinks(HostId hostId) { |
| 161 | checkNotNull(hostId); |
| 162 | this.sinks.remove(hostId); |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Removes all the given sinks for the given host for this route. |
| 167 | * |
| 168 | * @param hostId the host |
| 169 | * @param sinks the sinks to remove |
| 170 | */ |
| 171 | public void removeSinks(HostId hostId, Set<ConnectPoint> sinks) { |
| 172 | checkNotNull(hostId); |
| 173 | checkArgument(!sinks.contains(null)); |
Andrea Campanella | 7c8bcdf | 2018-03-26 23:29:11 -0700 | [diff] [blame^] | 174 | //if existing we remove from current set, otherwise just skip them |
| 175 | if (this.sinks.containsKey(hostId)) { |
| 176 | this.sinks.get(hostId).removeAll(sinks); |
| 177 | } |
Andrea Campanella | 545edb4 | 2018-03-20 16:37:29 -0700 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Returns if the route has no sinks. |
| 182 | * |
| 183 | * @return true if no sinks |
| 184 | */ |
| 185 | public boolean isEmpty() { |
| 186 | return sinks.isEmpty(); |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Creates an empty route object. |
| 191 | * |
| 192 | * @return an empty muticast rout data object. |
| 193 | */ |
| 194 | public static McastRouteData empty() { |
| 195 | return new McastRouteData(); |
| 196 | } |
| 197 | |
| 198 | @Override |
| 199 | public int hashCode() { |
| 200 | return Objects.hash(super.hashCode(), sources, sinks); |
| 201 | } |
| 202 | |
| 203 | @Override |
| 204 | public boolean equals(Object obj) { |
| 205 | if (this == obj) { |
| 206 | return true; |
| 207 | } |
| 208 | if (!(obj instanceof McastRouteData)) { |
| 209 | return false; |
| 210 | } |
| 211 | final McastRouteData other = (McastRouteData) obj; |
| 212 | |
| 213 | return super.equals(obj) && |
| 214 | Objects.equals(sources(), other.sources()) && |
| 215 | Objects.equals(sinks(), other.sinks()); |
| 216 | } |
| 217 | |
| 218 | @Override |
| 219 | public String toString() { |
| 220 | return toStringHelper(this) |
| 221 | .add("sources", sources()) |
| 222 | .add("sinks", sinks()) |
| 223 | .toString(); |
| 224 | } |
| 225 | } |