Madan Jampani | 2546111 | 2015-02-17 14:17:29 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 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 | |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 17 | package org.onosproject.store.consistent.impl; |
| 18 | |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 19 | import com.google.common.base.Charsets; |
Thomas Vachuska | 8dc1a69 | 2015-03-31 01:01:37 -0700 | [diff] [blame] | 20 | import com.google.common.collect.ImmutableSet; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 21 | import com.google.common.collect.Lists; |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 22 | import com.google.common.collect.Maps; |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 23 | import com.google.common.collect.Sets; |
Madan Jampani | 0d03d60 | 2015-04-20 12:03:56 -0700 | [diff] [blame] | 24 | import com.google.common.util.concurrent.Futures; |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 25 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 26 | import net.kuujo.copycat.CopycatConfig; |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 27 | import net.kuujo.copycat.cluster.ClusterConfig; |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 28 | import net.kuujo.copycat.cluster.Member; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 29 | import net.kuujo.copycat.cluster.Member.Type; |
| 30 | import net.kuujo.copycat.cluster.internal.coordinator.ClusterCoordinator; |
| 31 | import net.kuujo.copycat.cluster.internal.coordinator.DefaultClusterCoordinator; |
| 32 | import net.kuujo.copycat.log.BufferedLog; |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 33 | import net.kuujo.copycat.log.FileLog; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 34 | import net.kuujo.copycat.log.Log; |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 35 | import net.kuujo.copycat.protocol.Consistency; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 36 | import net.kuujo.copycat.protocol.Protocol; |
| 37 | import net.kuujo.copycat.util.concurrent.NamedThreadFactory; |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 38 | |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 39 | import org.apache.commons.lang.math.RandomUtils; |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 40 | import org.apache.felix.scr.annotations.Activate; |
| 41 | import org.apache.felix.scr.annotations.Component; |
| 42 | import org.apache.felix.scr.annotations.Deactivate; |
| 43 | import org.apache.felix.scr.annotations.Reference; |
| 44 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 45 | import org.apache.felix.scr.annotations.Service; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 46 | |
| 47 | import static org.onlab.util.Tools.groupedThreads; |
| 48 | |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 49 | import org.onosproject.cluster.ClusterService; |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 50 | import org.onosproject.cluster.NodeId; |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 51 | import org.onosproject.core.IdGenerator; |
Madan Jampani | afeebbd | 2015-05-19 15:26:01 -0700 | [diff] [blame] | 52 | import org.onosproject.store.cluster.impl.ClusterDefinitionManager; |
Madan Jampani | 0cb0067 | 2015-02-27 00:27:22 -0800 | [diff] [blame] | 53 | import org.onosproject.store.cluster.impl.NodeInfo; |
Jonathan Hart | 6ec029a | 2015-03-24 17:12:35 -0700 | [diff] [blame] | 54 | import org.onosproject.store.cluster.messaging.ClusterCommunicationService; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 55 | import org.onosproject.store.cluster.messaging.MessageSubject; |
Jonathan Hart | 6ec029a | 2015-03-24 17:12:35 -0700 | [diff] [blame] | 56 | import org.onosproject.store.ecmap.EventuallyConsistentMapBuilderImpl; |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 57 | import org.onosproject.store.service.AtomicCounterBuilder; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 58 | import org.onosproject.store.service.ConsistentMapBuilder; |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 59 | import org.onosproject.store.service.ConsistentMapException; |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 60 | import org.onosproject.store.service.DistributedQueueBuilder; |
Jonathan Hart | 6ec029a | 2015-03-24 17:12:35 -0700 | [diff] [blame] | 61 | import org.onosproject.store.service.EventuallyConsistentMapBuilder; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 62 | import org.onosproject.store.service.MapEvent; |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 63 | import org.onosproject.store.service.MapInfo; |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 64 | import org.onosproject.store.service.PartitionInfo; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 65 | import org.onosproject.store.service.DistributedSetBuilder; |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 66 | import org.onosproject.store.service.StorageAdminService; |
Madan Jampani | 393e0f0 | 2015-02-12 07:35:39 +0530 | [diff] [blame] | 67 | import org.onosproject.store.service.StorageService; |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 68 | import org.onosproject.store.service.Transaction; |
Ayaka Koshibe | 3a32156 | 2015-04-29 13:24:07 -0700 | [diff] [blame] | 69 | import org.onosproject.store.service.TransactionContextBuilder; |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 70 | import org.slf4j.Logger; |
| 71 | |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 72 | import java.io.File; |
| 73 | import java.io.IOException; |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 74 | import java.util.Collection; |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 75 | import java.util.List; |
| 76 | import java.util.Map; |
| 77 | import java.util.Set; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 78 | import java.util.concurrent.CompletableFuture; |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 79 | import java.util.concurrent.ExecutionException; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 80 | import java.util.concurrent.ExecutorService; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 81 | import java.util.concurrent.Executors; |
Madan Jampani | d14166a | 2015-02-24 17:37:51 -0800 | [diff] [blame] | 82 | import java.util.concurrent.TimeUnit; |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 83 | import java.util.concurrent.TimeoutException; |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 84 | import java.util.stream.Collectors; |
| 85 | |
| 86 | import static org.slf4j.LoggerFactory.getLogger; |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 87 | |
| 88 | /** |
| 89 | * Database manager. |
| 90 | */ |
| 91 | @Component(immediate = true, enabled = true) |
| 92 | @Service |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 93 | public class DatabaseManager implements StorageService, StorageAdminService { |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 94 | |
| 95 | private final Logger log = getLogger(getClass()); |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 96 | |
Thomas Vachuska | 06f44e1 | 2015-06-01 16:38:05 -0700 | [diff] [blame] | 97 | public static final int COPYCAT_TCP_PORT = 9876; |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 98 | public static final String PARTITION_DEFINITION_FILE = "../config/tablets.json"; |
| 99 | public static final String BASE_PARTITION_NAME = "p0"; |
| 100 | |
Madan Jampani | 1a4eca0 | 2015-04-02 15:29:26 -0700 | [diff] [blame] | 101 | private static final int RAFT_ELECTION_TIMEOUT_MILLIS = 3000; |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 102 | private static final int DATABASE_OPERATION_TIMEOUT_MILLIS = 5000; |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 103 | |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 104 | protected static final MessageSubject QUEUE_UPDATED_TOPIC = new MessageSubject("distributed-queue-updated"); |
| 105 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 106 | private ClusterCoordinator coordinator; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 107 | protected PartitionedDatabase partitionedDatabase; |
| 108 | protected Database inMemoryDatabase; |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 109 | protected NodeId localNodeId; |
Madan Jampani | fe3a9a7 | 2015-03-13 16:32:26 -0700 | [diff] [blame] | 110 | |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 111 | private TransactionManager transactionManager; |
| 112 | private final IdGenerator transactionIdGenerator = () -> RandomUtils.nextLong(); |
| 113 | |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 114 | private ExecutorService eventDispatcher; |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 115 | private ExecutorService queuePollExecutor; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 116 | |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 117 | private final Map<String, DefaultAsyncConsistentMap> maps = Maps.newConcurrentMap(); |
| 118 | private final Map<String, DefaultDistributedQueue> queues = Maps.newConcurrentMap(); |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 119 | |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 120 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 121 | protected ClusterService clusterService; |
| 122 | |
Jonathan Hart | 6ec029a | 2015-03-24 17:12:35 -0700 | [diff] [blame] | 123 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 124 | protected ClusterCommunicationService clusterCommunicator; |
| 125 | |
Madan Jampani | 0cb0067 | 2015-02-27 00:27:22 -0800 | [diff] [blame] | 126 | protected String nodeToUri(NodeInfo node) { |
Madan Jampani | 27b69c6 | 2015-05-15 15:49:02 -0700 | [diff] [blame] | 127 | return String.format("onos://%s:%d", node.getIp(), node.getTcpPort()); |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 128 | } |
| 129 | |
| 130 | @Activate |
| 131 | public void activate() { |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 132 | localNodeId = clusterService.getLocalNode().id(); |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 133 | // load database configuration |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 134 | File databaseDefFile = new File(PARTITION_DEFINITION_FILE); |
| 135 | log.info("Loading database definition: {}", databaseDefFile.getAbsolutePath()); |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 136 | |
Madan Jampani | 0cb0067 | 2015-02-27 00:27:22 -0800 | [diff] [blame] | 137 | Map<String, Set<NodeInfo>> partitionMap; |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 138 | try { |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 139 | DatabaseDefinitionStore databaseDefStore = new DatabaseDefinitionStore(databaseDefFile); |
| 140 | if (!databaseDefFile.exists()) { |
Thomas Vachuska | 8dc1a69 | 2015-03-31 01:01:37 -0700 | [diff] [blame] | 141 | createDefaultDatabaseDefinition(databaseDefStore); |
| 142 | } |
| 143 | partitionMap = databaseDefStore.read().getPartitions(); |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 144 | } catch (IOException e) { |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 145 | throw new IllegalStateException("Failed to load database config", e); |
| 146 | } |
| 147 | |
| 148 | String[] activeNodeUris = partitionMap.values() |
| 149 | .stream() |
| 150 | .reduce((s1, s2) -> Sets.union(s1, s2)) |
| 151 | .get() |
| 152 | .stream() |
| 153 | .map(this::nodeToUri) |
| 154 | .toArray(String[]::new); |
| 155 | |
Madan Jampani | 0cb0067 | 2015-02-27 00:27:22 -0800 | [diff] [blame] | 156 | String localNodeUri = nodeToUri(NodeInfo.of(clusterService.getLocalNode())); |
Madan Jampani | 27b69c6 | 2015-05-15 15:49:02 -0700 | [diff] [blame] | 157 | Protocol protocol = new CopycatCommunicationProtocol(clusterService, clusterCommunicator); |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 158 | |
| 159 | ClusterConfig clusterConfig = new ClusterConfig() |
Madan Jampani | 27b69c6 | 2015-05-15 15:49:02 -0700 | [diff] [blame] | 160 | .withProtocol(protocol) |
Madan Jampani | 1a4eca0 | 2015-04-02 15:29:26 -0700 | [diff] [blame] | 161 | .withElectionTimeout(electionTimeoutMillis(activeNodeUris)) |
| 162 | .withHeartbeatInterval(heartbeatTimeoutMillis(activeNodeUris)) |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 163 | .withMembers(activeNodeUris) |
| 164 | .withLocalMember(localNodeUri); |
| 165 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 166 | CopycatConfig copycatConfig = new CopycatConfig() |
| 167 | .withName("onos") |
| 168 | .withClusterConfig(clusterConfig) |
| 169 | .withDefaultSerializer(new DatabaseSerializer()) |
| 170 | .withDefaultExecutor(Executors.newSingleThreadExecutor(new NamedThreadFactory("copycat-coordinator-%d"))); |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 171 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 172 | coordinator = new DefaultClusterCoordinator(copycatConfig.resolve()); |
| 173 | |
| 174 | DatabaseConfig inMemoryDatabaseConfig = |
| 175 | newDatabaseConfig(BASE_PARTITION_NAME, newInMemoryLog(), activeNodeUris); |
| 176 | inMemoryDatabase = coordinator |
| 177 | .getResource(inMemoryDatabaseConfig.getName(), inMemoryDatabaseConfig.resolve(clusterConfig) |
| 178 | .withSerializer(copycatConfig.getDefaultSerializer()) |
| 179 | .withDefaultExecutor(copycatConfig.getDefaultExecutor())); |
| 180 | |
| 181 | List<Database> partitions = partitionMap.entrySet() |
| 182 | .stream() |
| 183 | .map(entry -> { |
| 184 | String[] replicas = entry.getValue().stream().map(this::nodeToUri).toArray(String[]::new); |
| 185 | return newDatabaseConfig(entry.getKey(), newPersistentLog(), replicas); |
| 186 | }) |
| 187 | .map(config -> { |
| 188 | Database db = coordinator.getResource(config.getName(), config.resolve(clusterConfig) |
| 189 | .withSerializer(copycatConfig.getDefaultSerializer()) |
| 190 | .withDefaultExecutor(copycatConfig.getDefaultExecutor())); |
| 191 | return db; |
| 192 | }) |
| 193 | .collect(Collectors.toList()); |
| 194 | |
| 195 | partitionedDatabase = new PartitionedDatabase("onos-store", partitions); |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 196 | |
Madan Jampani | 0d03d60 | 2015-04-20 12:03:56 -0700 | [diff] [blame] | 197 | CompletableFuture<Void> status = coordinator.open() |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 198 | .thenCompose(v -> CompletableFuture.allOf(inMemoryDatabase.open(), partitionedDatabase.open()) |
| 199 | .whenComplete((db, error) -> { |
| 200 | if (error != null) { |
Madan Jampani | 0d03d60 | 2015-04-20 12:03:56 -0700 | [diff] [blame] | 201 | log.error("Failed to initialize database.", error); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 202 | } else { |
Madan Jampani | 0d03d60 | 2015-04-20 12:03:56 -0700 | [diff] [blame] | 203 | log.info("Successfully initialized database."); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 204 | } |
| 205 | })); |
| 206 | |
Madan Jampani | 0d03d60 | 2015-04-20 12:03:56 -0700 | [diff] [blame] | 207 | Futures.getUnchecked(status); |
| 208 | |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 209 | transactionManager = new TransactionManager(partitionedDatabase, consistentMapBuilder()); |
| 210 | |
| 211 | eventDispatcher = Executors.newSingleThreadExecutor( |
| 212 | groupedThreads("onos/store/manager", "map-event-dispatcher")); |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 213 | |
| 214 | queuePollExecutor = Executors.newFixedThreadPool(4, |
| 215 | groupedThreads("onos/store/manager", "queue-poll-handler")); |
| 216 | |
| 217 | clusterCommunicator.<String>addSubscriber(QUEUE_UPDATED_TOPIC, |
| 218 | data -> new String(data, Charsets.UTF_8), |
| 219 | name -> { |
| 220 | DefaultDistributedQueue q = queues.get(name); |
| 221 | if (q != null) { |
| 222 | q.tryPoll(); |
| 223 | } |
| 224 | }, |
| 225 | queuePollExecutor); |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 226 | log.info("Started"); |
| 227 | } |
| 228 | |
Thomas Vachuska | 8dc1a69 | 2015-03-31 01:01:37 -0700 | [diff] [blame] | 229 | private void createDefaultDatabaseDefinition(DatabaseDefinitionStore store) { |
| 230 | // Assumes IPv4 is returned. |
Madan Jampani | afeebbd | 2015-05-19 15:26:01 -0700 | [diff] [blame] | 231 | String ip = ClusterDefinitionManager.getSiteLocalAddress(); |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 232 | NodeInfo node = NodeInfo.from(ip, ip, COPYCAT_TCP_PORT); |
Thomas Vachuska | 8dc1a69 | 2015-03-31 01:01:37 -0700 | [diff] [blame] | 233 | try { |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 234 | store.write(DatabaseDefinition.from(ImmutableSet.of(node))); |
Thomas Vachuska | 8dc1a69 | 2015-03-31 01:01:37 -0700 | [diff] [blame] | 235 | } catch (IOException e) { |
| 236 | log.warn("Unable to write default cluster definition", e); |
| 237 | } |
| 238 | } |
| 239 | |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 240 | @Deactivate |
| 241 | public void deactivate() { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 242 | CompletableFuture.allOf(inMemoryDatabase.close(), partitionedDatabase.close()) |
| 243 | .thenCompose(v -> coordinator.close()) |
| 244 | .whenComplete((result, error) -> { |
| 245 | if (error != null) { |
| 246 | log.warn("Failed to cleanly close databases.", error); |
| 247 | } else { |
| 248 | log.info("Successfully closed databases."); |
| 249 | } |
| 250 | }); |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 251 | clusterCommunicator.removeSubscriber(QUEUE_UPDATED_TOPIC); |
| 252 | maps.values().forEach(this::unregisterMap); |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 253 | eventDispatcher.shutdown(); |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 254 | queuePollExecutor.shutdown(); |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 255 | log.info("Stopped"); |
| 256 | } |
| 257 | |
| 258 | @Override |
Ayaka Koshibe | 3a32156 | 2015-04-29 13:24:07 -0700 | [diff] [blame] | 259 | public TransactionContextBuilder transactionContextBuilder() { |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 260 | return new DefaultTransactionContextBuilder(this, transactionIdGenerator.getNewId()); |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 261 | } |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 262 | |
| 263 | @Override |
| 264 | public List<PartitionInfo> getPartitionInfo() { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 265 | return Lists.asList( |
| 266 | inMemoryDatabase, |
| 267 | partitionedDatabase.getPartitions().toArray(new Database[]{})) |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 268 | .stream() |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 269 | .map(DatabaseManager::toPartitionInfo) |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 270 | .collect(Collectors.toList()); |
| 271 | } |
| 272 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 273 | private Log newPersistentLog() { |
| 274 | String logDir = System.getProperty("karaf.data", "./data"); |
| 275 | return new FileLog() |
| 276 | .withDirectory(logDir) |
| 277 | .withSegmentSize(1073741824) // 1GB |
| 278 | .withFlushOnWrite(true) |
| 279 | .withSegmentInterval(Long.MAX_VALUE); |
| 280 | } |
| 281 | |
| 282 | private Log newInMemoryLog() { |
| 283 | return new BufferedLog() |
| 284 | .withFlushOnWrite(false) |
| 285 | .withFlushInterval(Long.MAX_VALUE) |
| 286 | .withSegmentSize(10485760) // 10MB |
| 287 | .withSegmentInterval(Long.MAX_VALUE); |
| 288 | } |
| 289 | |
| 290 | private DatabaseConfig newDatabaseConfig(String name, Log log, String[] replicas) { |
| 291 | return new DatabaseConfig() |
| 292 | .withName(name) |
Madan Jampani | 1a4eca0 | 2015-04-02 15:29:26 -0700 | [diff] [blame] | 293 | .withElectionTimeout(electionTimeoutMillis(replicas)) |
| 294 | .withHeartbeatInterval(heartbeatTimeoutMillis(replicas)) |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 295 | .withConsistency(Consistency.STRONG) |
| 296 | .withLog(log) |
| 297 | .withDefaultSerializer(new DatabaseSerializer()) |
| 298 | .withReplicas(replicas); |
| 299 | } |
| 300 | |
Madan Jampani | 1a4eca0 | 2015-04-02 15:29:26 -0700 | [diff] [blame] | 301 | private long electionTimeoutMillis(String[] replicas) { |
| 302 | return replicas.length == 1 ? 10L : RAFT_ELECTION_TIMEOUT_MILLIS; |
| 303 | } |
| 304 | |
| 305 | private long heartbeatTimeoutMillis(String[] replicas) { |
| 306 | return electionTimeoutMillis(replicas) / 2; |
| 307 | } |
| 308 | |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 309 | /** |
| 310 | * Maps a Raft Database object to a PartitionInfo object. |
| 311 | * |
| 312 | * @param database database containing input data |
| 313 | * @return PartitionInfo object |
| 314 | */ |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 315 | private static PartitionInfo toPartitionInfo(Database database) { |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 316 | return new PartitionInfo(database.name(), |
| 317 | database.cluster().term(), |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 318 | database.cluster().members() |
| 319 | .stream() |
| 320 | .filter(member -> Type.ACTIVE.equals(member.type())) |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 321 | .map(Member::uri) |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 322 | .sorted() |
Jonathan Hart | 054da97 | 2015-02-18 17:30:28 -0800 | [diff] [blame] | 323 | .collect(Collectors.toList()), |
| 324 | database.cluster().leader() != null ? |
| 325 | database.cluster().leader().uri() : null); |
| 326 | } |
Jonathan Hart | 6ec029a | 2015-03-24 17:12:35 -0700 | [diff] [blame] | 327 | |
| 328 | |
| 329 | @Override |
| 330 | public <K, V> EventuallyConsistentMapBuilder<K, V> eventuallyConsistentMapBuilder() { |
| 331 | return new EventuallyConsistentMapBuilderImpl<>(clusterService, |
| 332 | clusterCommunicator); |
| 333 | } |
| 334 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 335 | @Override |
| 336 | public <K, V> ConsistentMapBuilder<K, V> consistentMapBuilder() { |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 337 | return new DefaultConsistentMapBuilder<>(this); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 338 | } |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 339 | |
| 340 | @Override |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 341 | public <E> DistributedSetBuilder<E> setBuilder() { |
| 342 | return new DefaultDistributedSetBuilder<>(this); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 343 | } |
| 344 | |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 345 | |
| 346 | @Override |
| 347 | public <E> DistributedQueueBuilder<E> queueBuilder() { |
| 348 | return new DefaultDistributedQueueBuilder<>(this); |
| 349 | } |
| 350 | |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 351 | @Override |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 352 | public AtomicCounterBuilder atomicCounterBuilder() { |
| 353 | return new DefaultAtomicCounterBuilder(inMemoryDatabase, partitionedDatabase); |
| 354 | } |
| 355 | |
| 356 | @Override |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 357 | public List<MapInfo> getMapInfo() { |
| 358 | List<MapInfo> maps = Lists.newArrayList(); |
| 359 | maps.addAll(getMapInfo(inMemoryDatabase)); |
| 360 | maps.addAll(getMapInfo(partitionedDatabase)); |
| 361 | return maps; |
| 362 | } |
| 363 | |
| 364 | private List<MapInfo> getMapInfo(Database database) { |
| 365 | return complete(database.tableNames()) |
| 366 | .stream() |
| 367 | .map(name -> new MapInfo(name, complete(database.size(name)))) |
| 368 | .filter(info -> info.size() > 0) |
| 369 | .collect(Collectors.toList()); |
| 370 | } |
| 371 | |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 372 | |
| 373 | @Override |
| 374 | public Map<String, Long> getCounters() { |
| 375 | Map<String, Long> counters = Maps.newHashMap(); |
| 376 | counters.putAll(complete(inMemoryDatabase.counters())); |
| 377 | counters.putAll(complete(partitionedDatabase.counters())); |
| 378 | return counters; |
| 379 | } |
| 380 | |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 381 | @Override |
Kaouther Abrougui | d8b565a | 2015-05-20 16:07:20 -0700 | [diff] [blame] | 382 | public Map<String, Long> getPartitionedDatabaseCounters() { |
| 383 | Map<String, Long> counters = Maps.newHashMap(); |
| 384 | counters.putAll(complete(partitionedDatabase.counters())); |
| 385 | return counters; |
| 386 | } |
| 387 | |
| 388 | @Override |
| 389 | public Map<String, Long> getInMemoryDatabaseCounters() { |
| 390 | Map<String, Long> counters = Maps.newHashMap(); |
| 391 | counters.putAll(complete(inMemoryDatabase.counters())); |
| 392 | return counters; |
| 393 | } |
| 394 | |
| 395 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 396 | public Collection<Transaction> getTransactions() { |
| 397 | return complete(transactionManager.getTransactions()); |
| 398 | } |
| 399 | |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 400 | private static <T> T complete(CompletableFuture<T> future) { |
| 401 | try { |
| 402 | return future.get(DATABASE_OPERATION_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS); |
| 403 | } catch (InterruptedException e) { |
| 404 | Thread.currentThread().interrupt(); |
| 405 | throw new ConsistentMapException.Interrupted(); |
| 406 | } catch (TimeoutException e) { |
| 407 | throw new ConsistentMapException.Timeout(); |
| 408 | } catch (ExecutionException e) { |
| 409 | throw new ConsistentMapException(e.getCause()); |
| 410 | } |
| 411 | } |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 412 | |
| 413 | @Override |
| 414 | public void redriveTransactions() { |
| 415 | getTransactions().stream().forEach(transactionManager::execute); |
| 416 | } |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 417 | |
| 418 | protected <K, V> void registerMap(DefaultAsyncConsistentMap<K, V> map) { |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 419 | // TODO: Support multiple local instances of the same map. |
| 420 | if (maps.putIfAbsent(map.name(), map) != null) { |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 421 | throw new IllegalStateException("Map by name " + map.name() + " already exists"); |
| 422 | } |
| 423 | |
| 424 | clusterCommunicator.<MapEvent<K, V>>addSubscriber(mapUpdatesSubject(map.name()), |
| 425 | map.serializer()::decode, |
| 426 | map::notifyLocalListeners, |
| 427 | eventDispatcher); |
| 428 | } |
| 429 | |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame^] | 430 | protected <K, V> void unregisterMap(DefaultAsyncConsistentMap<K, V> map) { |
| 431 | if (maps.remove(map.name()) != null) { |
| 432 | clusterCommunicator.removeSubscriber(mapUpdatesSubject(map.name())); |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | protected <E> void registerQueue(DefaultDistributedQueue<E> queue) { |
| 437 | // TODO: Support multiple local instances of the same queue. |
| 438 | if (queues.putIfAbsent(queue.name(), queue) != null) { |
| 439 | throw new IllegalStateException("Queue by name " + queue.name() + " already exists"); |
| 440 | } |
| 441 | } |
| 442 | |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 443 | protected static MessageSubject mapUpdatesSubject(String mapName) { |
| 444 | return new MessageSubject(mapName + "-map-updates"); |
| 445 | } |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 446 | } |