Phaneendra Manda | 805f82a | 2015-10-26 22:35:44 +0530 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame^] | 2 | * Copyright 2015-present Open Networking Laboratory |
Phaneendra Manda | 805f82a | 2015-10-26 22:35:44 +0530 | [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.vtnrsc; |
| 17 | |
| 18 | import static com.google.common.base.MoreObjects.toStringHelper; |
| 19 | import static com.google.common.base.Preconditions.checkNotNull; |
| 20 | |
Phaneendra Manda | 329a127 | 2016-02-10 22:57:00 +0530 | [diff] [blame] | 21 | import java.util.Iterator; |
Phaneendra Manda | 805f82a | 2015-10-26 22:35:44 +0530 | [diff] [blame] | 22 | import java.util.List; |
Phaneendra Manda | 329a127 | 2016-02-10 22:57:00 +0530 | [diff] [blame] | 23 | import java.util.Map; |
Phaneendra Manda | 805f82a | 2015-10-26 22:35:44 +0530 | [diff] [blame] | 24 | import java.util.Objects; |
Phaneendra Manda | 329a127 | 2016-02-10 22:57:00 +0530 | [diff] [blame] | 25 | import java.util.Optional; |
| 26 | import java.util.Set; |
| 27 | import java.util.concurrent.ConcurrentHashMap; |
Phaneendra Manda | 805f82a | 2015-10-26 22:35:44 +0530 | [diff] [blame] | 28 | |
| 29 | import com.google.common.collect.ImmutableList; |
Phaneendra Manda | 329a127 | 2016-02-10 22:57:00 +0530 | [diff] [blame] | 30 | import com.google.common.collect.ImmutableSet; |
Phaneendra Manda | 805f82a | 2015-10-26 22:35:44 +0530 | [diff] [blame] | 31 | |
| 32 | /** |
| 33 | * Implementation of port chain. |
| 34 | */ |
| 35 | public final class DefaultPortChain implements PortChain { |
| 36 | |
| 37 | private final PortChainId portChainId; |
| 38 | private final TenantId tenantId; |
| 39 | private final String name; |
| 40 | private final String description; |
| 41 | private final List<PortPairGroupId> portPairGroupList; |
| 42 | private final List<FlowClassifierId> flowClassifierList; |
| 43 | |
Phaneendra Manda | 329a127 | 2016-02-10 22:57:00 +0530 | [diff] [blame] | 44 | private final Map<FiveTuple, LoadBalanceId> sfcLoadBalanceIdMap = new ConcurrentHashMap<>(); |
| 45 | private final Map<LoadBalanceId, List<PortPairId>> sfcLoadBalancePathMap = new ConcurrentHashMap<>(); |
| 46 | |
Phaneendra Manda | 805f82a | 2015-10-26 22:35:44 +0530 | [diff] [blame] | 47 | /** |
| 48 | * Default constructor to create port chain. |
| 49 | * |
| 50 | * @param portChainId port chain id |
| 51 | * @param tenantId tenant id |
| 52 | * @param name name of port chain |
| 53 | * @param description description of port chain |
| 54 | * @param portPairGroupList port pair group list |
| 55 | * @param flowClassifierList flow classifier list |
| 56 | */ |
| 57 | private DefaultPortChain(PortChainId portChainId, TenantId tenantId, |
| 58 | String name, String description, |
| 59 | List<PortPairGroupId> portPairGroupList, |
| 60 | List<FlowClassifierId> flowClassifierList) { |
| 61 | |
| 62 | this.portChainId = portChainId; |
| 63 | this.tenantId = tenantId; |
| 64 | this.name = name; |
| 65 | this.description = description; |
| 66 | this.portPairGroupList = portPairGroupList; |
| 67 | this.flowClassifierList = flowClassifierList; |
| 68 | } |
| 69 | |
Phaneendra Manda | 329a127 | 2016-02-10 22:57:00 +0530 | [diff] [blame] | 70 | /** |
| 71 | * Match for two given paths. |
| 72 | * |
| 73 | * @param path1 path of sfc |
| 74 | * @param path2 path of sfc |
| 75 | * @return true if the given path are same false otherwise |
| 76 | */ |
| 77 | private boolean comparePath(List<PortPairId> path1, List<PortPairId> path2) { |
| 78 | Iterator it = path1.iterator(); |
| 79 | for (PortPairId portPairId: path2) { |
| 80 | if (!portPairId.equals(it.next())) { |
| 81 | return false; |
| 82 | } |
| 83 | } |
| 84 | return true; |
| 85 | } |
| 86 | |
Phaneendra Manda | 805f82a | 2015-10-26 22:35:44 +0530 | [diff] [blame] | 87 | @Override |
| 88 | public PortChainId portChainId() { |
| 89 | return portChainId; |
| 90 | } |
| 91 | |
| 92 | @Override |
| 93 | public TenantId tenantId() { |
| 94 | return tenantId; |
| 95 | } |
| 96 | |
| 97 | @Override |
| 98 | public String name() { |
| 99 | return name; |
| 100 | } |
| 101 | |
| 102 | @Override |
| 103 | public String description() { |
| 104 | return description; |
| 105 | } |
| 106 | |
| 107 | @Override |
| 108 | public List<PortPairGroupId> portPairGroups() { |
| 109 | return ImmutableList.copyOf(portPairGroupList); |
| 110 | } |
| 111 | |
| 112 | @Override |
| 113 | public List<FlowClassifierId> flowClassifiers() { |
| 114 | return ImmutableList.copyOf(flowClassifierList); |
| 115 | } |
| 116 | |
| 117 | @Override |
Phaneendra Manda | 329a127 | 2016-02-10 22:57:00 +0530 | [diff] [blame] | 118 | public void addLoadBalancePath(FiveTuple fiveTuple, LoadBalanceId id, |
| 119 | List<PortPairId> path) { |
| 120 | this.sfcLoadBalanceIdMap.put(fiveTuple, id); |
| 121 | this.sfcLoadBalancePathMap.put(id, path); |
| 122 | } |
| 123 | |
| 124 | @Override |
| 125 | public LoadBalanceId getLoadBalanceId(FiveTuple fiveTuple) { |
| 126 | return this.sfcLoadBalanceIdMap.get(fiveTuple); |
| 127 | } |
| 128 | |
| 129 | @Override |
| 130 | public Set<FiveTuple> getLoadBalanceIdMapKeys() { |
| 131 | return ImmutableSet.copyOf(sfcLoadBalanceIdMap.keySet()); |
| 132 | } |
| 133 | |
| 134 | @Override |
| 135 | public List<PortPairId> getLoadBalancePath(LoadBalanceId id) { |
| 136 | return ImmutableList.copyOf(this.sfcLoadBalancePathMap.get(id)); |
| 137 | } |
| 138 | |
| 139 | @Override |
| 140 | public List<PortPairId> getLoadBalancePath(FiveTuple fiveTuple) { |
| 141 | return ImmutableList.copyOf(this.sfcLoadBalancePathMap.get(this.sfcLoadBalanceIdMap.get(fiveTuple))); |
| 142 | } |
| 143 | |
| 144 | @Override |
Phaneendra Manda | 275ff0c | 2016-02-25 11:50:24 +0530 | [diff] [blame] | 145 | public int getLoadBalancePathSize() { |
| 146 | if (sfcLoadBalanceIdMap.isEmpty()) { |
| 147 | return 0; |
| 148 | } |
| 149 | return sfcLoadBalanceIdMap.size(); |
| 150 | } |
| 151 | |
| 152 | @Override |
Phaneendra Manda | 329a127 | 2016-02-10 22:57:00 +0530 | [diff] [blame] | 153 | public Optional<LoadBalanceId> matchPath(List<PortPairId> path) { |
| 154 | |
| 155 | LoadBalanceId id = null; |
| 156 | for (Map.Entry<LoadBalanceId, List<PortPairId>> entry : sfcLoadBalancePathMap.entrySet()) { |
| 157 | List<PortPairId> tempPath = entry.getValue(); |
| 158 | if (comparePath(path, tempPath)) { |
| 159 | id = entry.getKey(); |
| 160 | break; |
| 161 | } |
| 162 | } |
| 163 | return Optional.of(id); |
| 164 | } |
| 165 | |
| 166 | @Override |
Phaneendra Manda | 805f82a | 2015-10-26 22:35:44 +0530 | [diff] [blame] | 167 | public int hashCode() { |
| 168 | return Objects.hash(portChainId, tenantId, name, description, |
| 169 | portPairGroupList, flowClassifierList); |
| 170 | } |
| 171 | |
| 172 | @Override |
| 173 | public boolean equals(Object obj) { |
| 174 | if (this == obj) { |
| 175 | return true; |
| 176 | } |
| 177 | if (obj instanceof DefaultPortChain) { |
| 178 | DefaultPortChain that = (DefaultPortChain) obj; |
| 179 | return Objects.equals(portChainId, that.portChainId) && |
| 180 | Objects.equals(tenantId, that.tenantId) && |
| 181 | Objects.equals(name, that.name) && |
| 182 | Objects.equals(description, that.description) && |
| 183 | Objects.equals(portPairGroupList, that.portPairGroupList) && |
| 184 | Objects.equals(flowClassifierList, that.flowClassifierList); |
| 185 | } |
| 186 | return false; |
| 187 | } |
| 188 | |
| 189 | @Override |
| 190 | public boolean exactMatch(PortChain portChain) { |
| 191 | return this.equals(portChain) && |
| 192 | Objects.equals(this.portChainId, portChain.portChainId()) && |
| 193 | Objects.equals(this.tenantId, portChain.tenantId()); |
| 194 | } |
| 195 | |
| 196 | @Override |
| 197 | public String toString() { |
| 198 | return toStringHelper(this) |
| 199 | .add("id", portChainId.toString()) |
| 200 | .add("tenantId", tenantId.toString()) |
| 201 | .add("name", name) |
| 202 | .add("description", description) |
| 203 | .add("portPairGroupList", portPairGroupList) |
| 204 | .add("flowClassifier", flowClassifierList) |
| 205 | .toString(); |
| 206 | } |
| 207 | |
| 208 | /** |
| 209 | * To create an instance of the builder. |
| 210 | * |
| 211 | * @return instance of builder |
| 212 | */ |
| 213 | public static Builder builder() { |
| 214 | return new Builder(); |
| 215 | } |
| 216 | |
| 217 | /** |
| 218 | * Builder class for Port chain. |
| 219 | */ |
| 220 | public static final class Builder implements PortChain.Builder { |
| 221 | |
| 222 | private PortChainId portChainId; |
| 223 | private TenantId tenantId; |
| 224 | private String name; |
| 225 | private String description; |
| 226 | private List<PortPairGroupId> portPairGroupList; |
| 227 | private List<FlowClassifierId> flowClassifierList; |
| 228 | |
| 229 | @Override |
| 230 | public Builder setId(PortChainId portChainId) { |
| 231 | this.portChainId = portChainId; |
| 232 | return this; |
| 233 | } |
| 234 | |
| 235 | @Override |
| 236 | public Builder setTenantId(TenantId tenantId) { |
| 237 | this.tenantId = tenantId; |
| 238 | return this; |
| 239 | } |
| 240 | |
| 241 | @Override |
| 242 | public Builder setName(String name) { |
| 243 | this.name = name; |
| 244 | return this; |
| 245 | } |
| 246 | |
| 247 | @Override |
| 248 | public Builder setDescription(String description) { |
| 249 | this.description = description; |
| 250 | return this; |
| 251 | } |
| 252 | |
| 253 | @Override |
| 254 | public Builder setPortPairGroups(List<PortPairGroupId> portPairGroups) { |
| 255 | this.portPairGroupList = portPairGroups; |
| 256 | return this; |
| 257 | } |
| 258 | |
| 259 | @Override |
| 260 | public Builder setFlowClassifiers(List<FlowClassifierId> flowClassifiers) { |
| 261 | this.flowClassifierList = flowClassifiers; |
| 262 | return this; |
| 263 | } |
| 264 | |
| 265 | @Override |
| 266 | public PortChain build() { |
| 267 | |
| 268 | checkNotNull(portChainId, "Port chain id cannot be null"); |
| 269 | checkNotNull(tenantId, "Tenant id cannot be null"); |
| 270 | checkNotNull(portPairGroupList, "Port pair groups cannot be null"); |
| 271 | |
| 272 | return new DefaultPortChain(portChainId, tenantId, name, description, |
| 273 | portPairGroupList, flowClassifierList); |
| 274 | } |
| 275 | } |
| 276 | } |