Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 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 | package org.onosproject.store.primitives.impl; |
| 17 | |
Madan Jampani | fc98177 | 2016-02-16 09:46:42 -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.catalyst.serializer.Serializer; |
| 20 | import io.atomix.catalyst.transport.Address; |
| 21 | import io.atomix.catalyst.transport.Transport; |
| 22 | import io.atomix.copycat.server.CopycatServer; |
| 23 | import io.atomix.copycat.server.storage.Storage; |
| 24 | import io.atomix.copycat.server.storage.StorageLevel; |
Madan Jampani | 86cb243 | 2016-02-17 11:07:56 -0800 | [diff] [blame] | 25 | import io.atomix.manager.ResourceManagerTypeResolver; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 26 | import io.atomix.manager.state.ResourceManagerState; |
| 27 | import io.atomix.resource.ResourceRegistry; |
| 28 | import io.atomix.resource.ResourceType; |
| 29 | import io.atomix.resource.ResourceTypeResolver; |
| 30 | import io.atomix.resource.ServiceLoaderResourceResolver; |
| 31 | |
| 32 | import java.io.File; |
| 33 | import java.util.Collection; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 34 | import java.util.concurrent.CompletableFuture; |
| 35 | import java.util.function.Supplier; |
| 36 | |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 37 | import org.onosproject.store.service.PartitionInfo; |
Madan Jampani | fc98177 | 2016-02-16 09:46:42 -0800 | [diff] [blame] | 38 | import org.slf4j.Logger; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 39 | |
| 40 | import com.google.common.collect.ImmutableSet; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 41 | |
| 42 | /** |
| 43 | * {@link StoragePartition} server. |
| 44 | */ |
| 45 | public class StoragePartitionServer implements Managed<StoragePartitionServer> { |
| 46 | |
Madan Jampani | fc98177 | 2016-02-16 09:46:42 -0800 | [diff] [blame] | 47 | private final Logger log = getLogger(getClass()); |
| 48 | |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 49 | private static final int MAX_ENTRIES_PER_LOG_SEGMENT = 32768; |
| 50 | private final StoragePartition partition; |
| 51 | private final Address localAddress; |
| 52 | private final Supplier<Transport> transport; |
| 53 | private final Serializer serializer; |
| 54 | private final File dataFolder; |
| 55 | private final Collection<ResourceType> resourceTypes; |
| 56 | private CopycatServer server; |
| 57 | |
| 58 | public StoragePartitionServer(Address localAddress, |
| 59 | StoragePartition partition, |
| 60 | Serializer serializer, |
| 61 | Supplier<Transport> transport, |
| 62 | Collection<ResourceType> resourceTypes, |
| 63 | File dataFolder) { |
| 64 | this.partition = partition; |
| 65 | this.localAddress = localAddress; |
| 66 | this.serializer = serializer; |
| 67 | this.transport = transport; |
| 68 | this.resourceTypes = ImmutableSet.copyOf(resourceTypes); |
| 69 | this.dataFolder = dataFolder; |
| 70 | } |
| 71 | |
| 72 | @Override |
| 73 | public CompletableFuture<Void> open() { |
| 74 | CompletableFuture<CopycatServer> serverOpenFuture; |
| 75 | if (partition.getMemberAddresses().contains(localAddress)) { |
| 76 | if (server != null && server.isOpen()) { |
| 77 | return CompletableFuture.completedFuture(null); |
| 78 | } |
| 79 | synchronized (this) { |
Madan Jampani | f172d40 | 2016-03-04 00:56:38 -0800 | [diff] [blame^] | 80 | server = buildServer(partition.getMemberAddresses()); |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 81 | } |
| 82 | serverOpenFuture = server.open(); |
| 83 | } else { |
| 84 | serverOpenFuture = CompletableFuture.completedFuture(null); |
| 85 | } |
Madan Jampani | fc98177 | 2016-02-16 09:46:42 -0800 | [diff] [blame] | 86 | return serverOpenFuture.whenComplete((r, e) -> { |
| 87 | if (e == null) { |
| 88 | log.info("Successfully started server for partition {}", partition.getId()); |
| 89 | } else { |
| 90 | log.info("Failed to start server for partition {}", partition.getId(), e); |
| 91 | } |
| 92 | }).thenApply(v -> null); |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | @Override |
| 96 | public CompletableFuture<Void> close() { |
Madan Jampani | 3354745 | 2016-02-29 16:45:04 -0800 | [diff] [blame] | 97 | /** |
| 98 | * CopycatServer#kill just shuts down the server and does not result |
| 99 | * in any cluster membership changes. |
| 100 | */ |
| 101 | return server.kill(); |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 102 | } |
| 103 | |
Madan Jampani | 3354745 | 2016-02-29 16:45:04 -0800 | [diff] [blame] | 104 | /** |
| 105 | * Closes the server and exits the partition. |
| 106 | * @return future that is completed when the operation is complete |
| 107 | */ |
| 108 | public CompletableFuture<Void> closeAndExit() { |
| 109 | return server.close(); |
| 110 | } |
| 111 | |
Madan Jampani | f172d40 | 2016-03-04 00:56:38 -0800 | [diff] [blame^] | 112 | private CopycatServer buildServer(Collection<Address> clusterMembers) { |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 113 | ResourceTypeResolver resourceResolver = new ServiceLoaderResourceResolver(); |
| 114 | ResourceRegistry registry = new ResourceRegistry(); |
| 115 | resourceTypes.forEach(registry::register); |
| 116 | resourceResolver.resolve(registry); |
Madan Jampani | f172d40 | 2016-03-04 00:56:38 -0800 | [diff] [blame^] | 117 | CopycatServer server = CopycatServer.builder(localAddress, clusterMembers) |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 118 | .withName("partition-" + partition.getId()) |
| 119 | .withSerializer(serializer.clone()) |
| 120 | .withTransport(transport.get()) |
| 121 | .withStateMachine(() -> new ResourceManagerState(registry)) |
| 122 | .withStorage(Storage.builder() |
Madan Jampani | 3a9911c | 2016-02-21 11:25:45 -0800 | [diff] [blame] | 123 | .withStorageLevel(StorageLevel.DISK) |
Madan Jampani | 3ac20f9 | 2016-02-17 18:35:26 -0800 | [diff] [blame] | 124 | .withCompactionThreads(1) |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 125 | .withDirectory(dataFolder) |
| 126 | .withMaxEntriesPerSegment(MAX_ENTRIES_PER_LOG_SEGMENT) |
| 127 | .build()) |
| 128 | .build(); |
Madan Jampani | 86cb243 | 2016-02-17 11:07:56 -0800 | [diff] [blame] | 129 | server.serializer().resolve(new ResourceManagerTypeResolver(registry)); |
| 130 | return server; |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 131 | } |
| 132 | |
Madan Jampani | f172d40 | 2016-03-04 00:56:38 -0800 | [diff] [blame^] | 133 | public CompletableFuture<Void> join(Collection<Address> otherMembers) { |
| 134 | server = buildServer(otherMembers); |
| 135 | |
| 136 | return server.open().whenComplete((r, e) -> { |
| 137 | if (e == null) { |
| 138 | log.info("Successfully joined partition {}", partition.getId()); |
| 139 | } else { |
| 140 | log.info("Failed to join partition {}", partition.getId(), e); |
| 141 | } |
| 142 | }).thenApply(v -> null); |
| 143 | } |
| 144 | |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 145 | @Override |
| 146 | public boolean isOpen() { |
| 147 | return server.isOpen(); |
| 148 | } |
| 149 | |
| 150 | @Override |
| 151 | public boolean isClosed() { |
| 152 | return server.isClosed(); |
| 153 | } |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 154 | |
| 155 | /** |
| 156 | * Returns the partition information. |
| 157 | * @return partition info |
| 158 | */ |
| 159 | public PartitionInfo info() { |
| 160 | return new StoragePartitionDetails(partition.getId(), |
| 161 | server.cluster().members(), |
| 162 | server.cluster().members(), |
| 163 | server.cluster().leader(), |
| 164 | server.cluster().term()).toPartitionInfo(); |
| 165 | } |
Madan Jampani | 15b8ef5 | 2016-02-02 17:35:05 -0800 | [diff] [blame] | 166 | } |