Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Laboratory |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -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 | package org.onosproject.store.primitives.impl; |
| 17 | |
Madan Jampani | 2f9cc71 | 2016-02-15 19:36:21 -0800 | [diff] [blame] | 18 | import static org.slf4j.LoggerFactory.getLogger; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 19 | import io.atomix.AtomixClient; |
| 20 | import io.atomix.catalyst.transport.Transport; |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 21 | import io.atomix.copycat.client.ConnectionStrategies; |
| 22 | import io.atomix.copycat.client.CopycatClient; |
Madan Jampani | 1d3b617 | 2016-04-28 13:22:57 -0700 | [diff] [blame] | 23 | import io.atomix.copycat.client.CopycatClient.State; |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 24 | import io.atomix.copycat.client.RecoveryStrategies; |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 25 | import io.atomix.copycat.client.ServerSelectionStrategies; |
| 26 | import io.atomix.manager.ResourceClient; |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 27 | import io.atomix.manager.ResourceManagerException; |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 28 | import io.atomix.manager.util.ResourceManagerTypeResolver; |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 29 | import io.atomix.resource.ResourceRegistry; |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 30 | import io.atomix.resource.ResourceType; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 31 | import io.atomix.variables.DistributedLong; |
| 32 | |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 33 | import java.util.Collection; |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 34 | import java.util.Set; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 35 | import java.util.concurrent.CompletableFuture; |
Madan Jampani | 1d3b617 | 2016-04-28 13:22:57 -0700 | [diff] [blame] | 36 | import java.util.function.Consumer; |
| 37 | import java.util.function.Function; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 38 | |
| 39 | import org.onlab.util.HexString; |
| 40 | import org.onosproject.store.primitives.DistributedPrimitiveCreator; |
| 41 | import org.onosproject.store.primitives.resources.impl.AtomixConsistentMap; |
| 42 | import org.onosproject.store.primitives.resources.impl.AtomixCounter; |
Madan Jampani | 39fff10 | 2016-02-14 13:17:28 -0800 | [diff] [blame] | 43 | import org.onosproject.store.primitives.resources.impl.AtomixLeaderElector; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 44 | import org.onosproject.store.serializers.KryoNamespaces; |
| 45 | import org.onosproject.store.service.AsyncAtomicCounter; |
| 46 | import org.onosproject.store.service.AsyncAtomicValue; |
| 47 | import org.onosproject.store.service.AsyncConsistentMap; |
| 48 | import org.onosproject.store.service.AsyncDistributedSet; |
| 49 | import org.onosproject.store.service.AsyncLeaderElector; |
Madan Jampani | 1d3b617 | 2016-04-28 13:22:57 -0700 | [diff] [blame] | 50 | import org.onosproject.store.service.DistributedPrimitive.Status; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 51 | import org.onosproject.store.service.DistributedQueue; |
Madan Jampani | ccdf9da | 2016-05-05 14:37:27 -0700 | [diff] [blame] | 52 | import org.onosproject.store.service.PartitionClientInfo; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 53 | import org.onosproject.store.service.Serializer; |
Madan Jampani | d5b200f | 2016-06-06 17:15:25 -0700 | [diff] [blame^] | 54 | import org.onosproject.store.service.StorageException; |
Madan Jampani | 2f9cc71 | 2016-02-15 19:36:21 -0800 | [diff] [blame] | 55 | import org.slf4j.Logger; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 56 | |
| 57 | import com.google.common.base.Supplier; |
| 58 | import com.google.common.base.Suppliers; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 59 | |
| 60 | /** |
| 61 | * StoragePartition client. |
| 62 | */ |
| 63 | public class StoragePartitionClient implements DistributedPrimitiveCreator, Managed<StoragePartitionClient> { |
| 64 | |
Madan Jampani | 2f9cc71 | 2016-02-15 19:36:21 -0800 | [diff] [blame] | 65 | private final Logger log = getLogger(getClass()); |
| 66 | |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 67 | private final StoragePartition partition; |
| 68 | private final Transport transport; |
| 69 | private final io.atomix.catalyst.serializer.Serializer serializer; |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 70 | private AtomixClient client; |
| 71 | private ResourceClient resourceClient; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 72 | private static final String ATOMIC_VALUES_CONSISTENT_MAP_NAME = "onos-atomic-values"; |
| 73 | private final Supplier<AsyncConsistentMap<String, byte[]>> onosAtomicValuesMap = |
| 74 | Suppliers.memoize(() -> newAsyncConsistentMap(ATOMIC_VALUES_CONSISTENT_MAP_NAME, |
| 75 | Serializer.using(KryoNamespaces.BASIC))); |
Madan Jampani | 1d3b617 | 2016-04-28 13:22:57 -0700 | [diff] [blame] | 76 | Function<State, Status> mapper = state -> { |
| 77 | switch (state) { |
| 78 | case CONNECTED: |
| 79 | return Status.ACTIVE; |
| 80 | case SUSPENDED: |
| 81 | return Status.SUSPENDED; |
| 82 | case CLOSED: |
| 83 | return Status.INACTIVE; |
| 84 | default: |
| 85 | throw new IllegalStateException("Unknown state " + state); |
| 86 | } |
| 87 | }; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 88 | |
| 89 | public StoragePartitionClient(StoragePartition partition, |
| 90 | io.atomix.catalyst.serializer.Serializer serializer, |
Madan Jampani | 65f24bb | 2016-03-15 15:16:18 -0700 | [diff] [blame] | 91 | Transport transport) { |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 92 | this.partition = partition; |
| 93 | this.serializer = serializer; |
| 94 | this.transport = transport; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 95 | } |
| 96 | |
| 97 | @Override |
| 98 | public CompletableFuture<Void> open() { |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 99 | synchronized (StoragePartitionClient.this) { |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 100 | resourceClient = newResourceClient(transport, |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 101 | serializer.clone(), |
| 102 | StoragePartition.RESOURCE_TYPES); |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 103 | resourceClient.client().onStateChange(state -> log.debug("Partition {} client state" |
Madan Jampani | 1d3b617 | 2016-04-28 13:22:57 -0700 | [diff] [blame] | 104 | + " changed to {}", partition.getId(), state)); |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 105 | client = new AtomixClient(resourceClient); |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 106 | } |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 107 | return client.connect(partition.getMemberAddresses()).whenComplete((r, e) -> { |
Madan Jampani | 2f9cc71 | 2016-02-15 19:36:21 -0800 | [diff] [blame] | 108 | if (e == null) { |
| 109 | log.info("Successfully started client for partition {}", partition.getId()); |
| 110 | } else { |
| 111 | log.info("Failed to start client for partition {}", partition.getId(), e); |
| 112 | } |
| 113 | }).thenApply(v -> null); |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | @Override |
| 117 | public CompletableFuture<Void> close() { |
| 118 | return client != null ? client.close() : CompletableFuture.completedFuture(null); |
| 119 | } |
| 120 | |
| 121 | @Override |
| 122 | public <K, V> AsyncConsistentMap<K, V> newAsyncConsistentMap(String name, Serializer serializer) { |
Madan Jampani | d5b200f | 2016-06-06 17:15:25 -0700 | [diff] [blame^] | 123 | checkAvailability(); |
Madan Jampani | 1d3b617 | 2016-04-28 13:22:57 -0700 | [diff] [blame] | 124 | AtomixConsistentMap atomixConsistentMap = client.getResource(name, AtomixConsistentMap.class).join(); |
| 125 | Consumer<State> statusListener = state -> { |
| 126 | atomixConsistentMap.statusChangeListeners() |
| 127 | .forEach(listener -> listener.accept(mapper.apply(state))); |
| 128 | }; |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 129 | resourceClient.client().onStateChange(statusListener); |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 130 | AsyncConsistentMap<String, byte[]> rawMap = |
Madan Jampani | 1d3b617 | 2016-04-28 13:22:57 -0700 | [diff] [blame] | 131 | new DelegatingAsyncConsistentMap<String, byte[]>(atomixConsistentMap) { |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 132 | @Override |
| 133 | public String name() { |
| 134 | return name; |
| 135 | } |
| 136 | }; |
| 137 | AsyncConsistentMap<K, V> transcodedMap = DistributedPrimitives.<K, V, String, byte[]>newTranscodingMap(rawMap, |
| 138 | key -> HexString.toHexString(serializer.encode(key)), |
| 139 | string -> serializer.decode(HexString.fromHexString(string)), |
| 140 | value -> value == null ? null : serializer.encode(value), |
| 141 | bytes -> serializer.decode(bytes)); |
| 142 | |
Madan Jampani | 542d9e2 | 2016-04-05 15:39:55 -0700 | [diff] [blame] | 143 | return transcodedMap; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 144 | } |
| 145 | |
| 146 | @Override |
| 147 | public <E> AsyncDistributedSet<E> newAsyncDistributedSet(String name, Serializer serializer) { |
Madan Jampani | d5b200f | 2016-06-06 17:15:25 -0700 | [diff] [blame^] | 148 | checkAvailability(); |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 149 | return DistributedPrimitives.newSetFromMap(this.<E, Boolean>newAsyncConsistentMap(name, serializer)); |
| 150 | } |
| 151 | |
| 152 | @Override |
| 153 | public AsyncAtomicCounter newAsyncCounter(String name) { |
Madan Jampani | d5b200f | 2016-06-06 17:15:25 -0700 | [diff] [blame^] | 154 | checkAvailability(); |
Madan Jampani | 65f24bb | 2016-03-15 15:16:18 -0700 | [diff] [blame] | 155 | DistributedLong distributedLong = client.getLong(name).join(); |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 156 | return new AtomixCounter(name, distributedLong); |
| 157 | } |
| 158 | |
| 159 | @Override |
| 160 | public <V> AsyncAtomicValue<V> newAsyncAtomicValue(String name, Serializer serializer) { |
Madan Jampani | 1d3b617 | 2016-04-28 13:22:57 -0700 | [diff] [blame] | 161 | return new DefaultAsyncAtomicValue<>(name, serializer, onosAtomicValuesMap.get()); |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 162 | } |
| 163 | |
| 164 | @Override |
| 165 | public <E> DistributedQueue<E> newDistributedQueue(String name, Serializer serializer) { |
| 166 | // TODO: Implement |
| 167 | throw new UnsupportedOperationException(); |
| 168 | } |
| 169 | |
| 170 | @Override |
| 171 | public AsyncLeaderElector newAsyncLeaderElector(String name) { |
Madan Jampani | d5b200f | 2016-06-06 17:15:25 -0700 | [diff] [blame^] | 172 | checkAvailability(); |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 173 | AtomixLeaderElector leaderElector = client.getResource(name, AtomixLeaderElector.class) |
| 174 | .thenCompose(AtomixLeaderElector::setupCache) |
| 175 | .join(); |
| 176 | Consumer<State> statusListener = state -> { |
| 177 | leaderElector.statusChangeListeners() |
| 178 | .forEach(listener -> listener.accept(mapper.apply(state))); |
| 179 | }; |
| 180 | resourceClient.client().onStateChange(statusListener); |
| 181 | return leaderElector; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | @Override |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 185 | public Set<String> getAsyncConsistentMapNames() { |
Madan Jampani | d5b200f | 2016-06-06 17:15:25 -0700 | [diff] [blame^] | 186 | checkAvailability(); |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 187 | return client.keys(AtomixConsistentMap.class).join(); |
| 188 | } |
| 189 | |
| 190 | @Override |
| 191 | public Set<String> getAsyncAtomicCounterNames() { |
Madan Jampani | d5b200f | 2016-06-06 17:15:25 -0700 | [diff] [blame^] | 192 | checkAvailability(); |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 193 | return client.keys(DistributedLong.class).join(); |
| 194 | } |
| 195 | |
| 196 | @Override |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 197 | public boolean isOpen() { |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 198 | return resourceClient.client().state() != State.CLOSED; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 199 | } |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 200 | |
Madan Jampani | ccdf9da | 2016-05-05 14:37:27 -0700 | [diff] [blame] | 201 | /** |
| 202 | * Returns the {@link PartitionClientInfo information} for this client. |
| 203 | * @return partition client information |
| 204 | */ |
| 205 | public PartitionClientInfo clientInfo() { |
| 206 | return new PartitionClientInfo(partition.getId(), |
| 207 | partition.getMembers(), |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 208 | resourceClient.client().session().id(), |
| 209 | mapper.apply(resourceClient.client().state())); |
Madan Jampani | ccdf9da | 2016-05-05 14:37:27 -0700 | [diff] [blame] | 210 | } |
| 211 | |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 212 | private ResourceClient newResourceClient(Transport transport, |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 213 | io.atomix.catalyst.serializer.Serializer serializer, |
| 214 | Collection<ResourceType> resourceTypes) { |
| 215 | ResourceRegistry registry = new ResourceRegistry(); |
| 216 | resourceTypes.forEach(registry::register); |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 217 | CopycatClient copycatClient = CopycatClient.builder() |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 218 | .withServerSelectionStrategy(ServerSelectionStrategies.ANY) |
| 219 | .withConnectionStrategy(ConnectionStrategies.FIBONACCI_BACKOFF) |
| 220 | .withRecoveryStrategy(RecoveryStrategies.RECOVER) |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 221 | .withTransport(transport) |
| 222 | .withSerializer(serializer) |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 223 | .build(); |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 224 | copycatClient.serializer().resolve(new ResourceManagerTypeResolver()); |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 225 | for (ResourceType type : registry.types()) { |
| 226 | try { |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 227 | type.factory() |
| 228 | .newInstance() |
| 229 | .createSerializableTypeResolver() |
| 230 | .resolve(copycatClient.serializer().registry()); |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 231 | } catch (InstantiationException | IllegalAccessException e) { |
| 232 | throw new ResourceManagerException(e); |
| 233 | } |
| 234 | } |
Madan Jampani | 630e7ac | 2016-05-31 11:34:05 -0700 | [diff] [blame] | 235 | return new ResourceClient(new QueryRetryingCopycatClient(copycatClient, 2, 100)); |
Madan Jampani | 471a7bc | 2016-04-27 15:51:38 -0700 | [diff] [blame] | 236 | } |
Madan Jampani | d5b200f | 2016-06-06 17:15:25 -0700 | [diff] [blame^] | 237 | |
| 238 | private void checkAvailability() { |
| 239 | if (resourceClient.client().state() == State.SUSPENDED || resourceClient.client().state() == State.CLOSED) { |
| 240 | throw new StorageException.Unavailable(); |
| 241 | } |
| 242 | } |
Madan Jampani | 2f9cc71 | 2016-02-15 19:36:21 -0800 | [diff] [blame] | 243 | } |