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