Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 1 | /* |
Ray Milkey | 34c9590 | 2015-04-15 09:47:53 -0700 | [diff] [blame] | 2 | * Copyright 2014-2015 Open Networking Laboratory |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [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 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.store.cluster.messaging.impl; |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 17 | |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 18 | import org.apache.felix.scr.annotations.Activate; |
| 19 | import org.apache.felix.scr.annotations.Component; |
| 20 | import org.apache.felix.scr.annotations.Deactivate; |
Madan Jampani | a5d0d78 | 2014-10-07 14:36:00 -0700 | [diff] [blame] | 21 | import org.apache.felix.scr.annotations.Reference; |
| 22 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 23 | import org.apache.felix.scr.annotations.Service; |
Madan Jampani | 27b69c6 | 2015-05-15 15:49:02 -0700 | [diff] [blame] | 24 | import org.onlab.util.Tools; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 25 | import org.onosproject.cluster.ClusterService; |
| 26 | import org.onosproject.cluster.ControllerNode; |
| 27 | import org.onosproject.cluster.NodeId; |
| 28 | import org.onosproject.store.cluster.messaging.ClusterCommunicationService; |
| 29 | import org.onosproject.store.cluster.messaging.ClusterMessage; |
| 30 | import org.onosproject.store.cluster.messaging.ClusterMessageHandler; |
Madan Jampani | c26eede | 2015-04-16 11:42:16 -0700 | [diff] [blame] | 31 | import org.onosproject.store.cluster.messaging.Endpoint; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 32 | import org.onosproject.store.cluster.messaging.MessageSubject; |
Madan Jampani | c26eede | 2015-04-16 11:42:16 -0700 | [diff] [blame] | 33 | import org.onosproject.store.cluster.messaging.MessagingService; |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 34 | import org.slf4j.Logger; |
| 35 | import org.slf4j.LoggerFactory; |
| 36 | |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 37 | import com.google.common.base.Objects; |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 38 | import java.util.Set; |
| 39 | import java.util.concurrent.CompletableFuture; |
Madan Jampani | ec5ae34 | 2015-04-13 15:43:10 -0700 | [diff] [blame] | 40 | import java.util.concurrent.Executor; |
Madan Jampani | 2af244a | 2015-02-22 13:12:01 -0800 | [diff] [blame] | 41 | import java.util.concurrent.ExecutorService; |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 42 | import java.util.function.Consumer; |
| 43 | import java.util.function.Function; |
| 44 | import java.util.stream.Collectors; |
Jonathan Hart | 7d656f4 | 2015-01-27 14:07:23 -0800 | [diff] [blame] | 45 | |
| 46 | import static com.google.common.base.Preconditions.checkArgument; |
Madan Jampani | 24f9efb | 2014-10-24 18:56:23 -0700 | [diff] [blame] | 47 | |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 48 | @Component(immediate = true) |
| 49 | @Service |
Madan Jampani | 3b0dfd5 | 2014-10-02 16:48:13 -0700 | [diff] [blame] | 50 | public class ClusterCommunicationManager |
Yuta HIGUCHI | bbfc96a | 2014-10-13 18:05:44 -0700 | [diff] [blame] | 51 | implements ClusterCommunicationService { |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 52 | |
| 53 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 54 | |
Madan Jampani | a5d0d78 | 2014-10-07 14:36:00 -0700 | [diff] [blame] | 55 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 56 | private ClusterService clusterService; |
| 57 | |
Madan Jampani | afeebbd | 2015-05-19 15:26:01 -0700 | [diff] [blame] | 58 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 59 | protected MessagingService messagingService; |
Madan Jampani | c26eede | 2015-04-16 11:42:16 -0700 | [diff] [blame] | 60 | |
Madan Jampani | 175e8fd | 2015-05-20 14:10:45 -0700 | [diff] [blame^] | 61 | private NodeId localNodeId; |
| 62 | |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 63 | @Activate |
| 64 | public void activate() { |
Madan Jampani | 175e8fd | 2015-05-20 14:10:45 -0700 | [diff] [blame^] | 65 | localNodeId = clusterService.getLocalNode().id(); |
Madan Jampani | afeebbd | 2015-05-19 15:26:01 -0700 | [diff] [blame] | 66 | log.info("Started"); |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | @Deactivate |
| 70 | public void deactivate() { |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 71 | log.info("Stopped"); |
| 72 | } |
| 73 | |
| 74 | @Override |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 75 | public <M> void broadcast(M message, |
| 76 | MessageSubject subject, |
| 77 | Function<M, byte[]> encoder) { |
| 78 | multicast(message, |
| 79 | subject, |
| 80 | encoder, |
| 81 | clusterService.getNodes() |
| 82 | .stream() |
| 83 | .filter(node -> !Objects.equal(node, clusterService.getLocalNode())) |
| 84 | .map(ControllerNode::id) |
| 85 | .collect(Collectors.toSet())); |
| 86 | } |
| 87 | |
| 88 | @Override |
| 89 | public <M> void broadcastIncludeSelf(M message, |
| 90 | MessageSubject subject, |
| 91 | Function<M, byte[]> encoder) { |
| 92 | multicast(message, |
| 93 | subject, |
| 94 | encoder, |
| 95 | clusterService.getNodes() |
| 96 | .stream() |
| 97 | .map(ControllerNode::id) |
| 98 | .collect(Collectors.toSet())); |
| 99 | } |
| 100 | |
| 101 | @Override |
Madan Jampani | 175e8fd | 2015-05-20 14:10:45 -0700 | [diff] [blame^] | 102 | public <M> CompletableFuture<Void> unicast(M message, |
| 103 | MessageSubject subject, |
| 104 | Function<M, byte[]> encoder, |
| 105 | NodeId toNodeId) { |
| 106 | try { |
| 107 | byte[] payload = new ClusterMessage( |
| 108 | localNodeId, |
| 109 | subject, |
| 110 | encoder.apply(message)).getBytes(); |
| 111 | return doUnicast(subject, payload, toNodeId); |
| 112 | } catch (Exception e) { |
| 113 | return Tools.exceptionalFuture(e); |
| 114 | } |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | @Override |
| 118 | public <M> void multicast(M message, |
| 119 | MessageSubject subject, |
| 120 | Function<M, byte[]> encoder, |
| 121 | Set<NodeId> nodes) { |
| 122 | byte[] payload = new ClusterMessage( |
Madan Jampani | 175e8fd | 2015-05-20 14:10:45 -0700 | [diff] [blame^] | 123 | localNodeId, |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 124 | subject, |
| 125 | encoder.apply(message)).getBytes(); |
Madan Jampani | 175e8fd | 2015-05-20 14:10:45 -0700 | [diff] [blame^] | 126 | nodes.forEach(nodeId -> doUnicast(subject, payload, nodeId)); |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 127 | } |
| 128 | |
| 129 | @Override |
| 130 | public <M, R> CompletableFuture<R> sendAndReceive(M message, |
| 131 | MessageSubject subject, |
| 132 | Function<M, byte[]> encoder, |
| 133 | Function<byte[], R> decoder, |
| 134 | NodeId toNodeId) { |
Madan Jampani | 27b69c6 | 2015-05-15 15:49:02 -0700 | [diff] [blame] | 135 | try { |
| 136 | ClusterMessage envelope = new ClusterMessage( |
| 137 | clusterService.getLocalNode().id(), |
| 138 | subject, |
| 139 | encoder.apply(message)); |
| 140 | return sendAndReceive(subject, envelope.getBytes(), toNodeId).thenApply(decoder); |
| 141 | } catch (Exception e) { |
| 142 | return Tools.exceptionalFuture(e); |
| 143 | } |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 144 | } |
| 145 | |
Madan Jampani | 175e8fd | 2015-05-20 14:10:45 -0700 | [diff] [blame^] | 146 | private CompletableFuture<Void> doUnicast(MessageSubject subject, byte[] payload, NodeId toNodeId) { |
Yuta HIGUCHI | 7a8d4aa | 2014-10-07 17:37:11 -0700 | [diff] [blame] | 147 | ControllerNode node = clusterService.getNode(toNodeId); |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 148 | checkArgument(node != null, "Unknown nodeId: %s", toNodeId); |
Madan Jampani | 2e5f87b | 2015-02-22 10:37:15 -0800 | [diff] [blame] | 149 | Endpoint nodeEp = new Endpoint(node.ip(), node.tcpPort()); |
Madan Jampani | 175e8fd | 2015-05-20 14:10:45 -0700 | [diff] [blame^] | 150 | return messagingService.sendAsync(nodeEp, subject.value(), payload); |
Madan Jampani | 98c1760 | 2014-10-23 15:33:23 -0700 | [diff] [blame] | 151 | } |
| 152 | |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 153 | private CompletableFuture<byte[]> sendAndReceive(MessageSubject subject, byte[] payload, NodeId toNodeId) { |
Madan Jampani | 4a9cb6d | 2014-10-17 10:48:50 -0700 | [diff] [blame] | 154 | ControllerNode node = clusterService.getNode(toNodeId); |
| 155 | checkArgument(node != null, "Unknown nodeId: %s", toNodeId); |
Madan Jampani | 2e5f87b | 2015-02-22 10:37:15 -0800 | [diff] [blame] | 156 | Endpoint nodeEp = new Endpoint(node.ip(), node.tcpPort()); |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 157 | return messagingService.sendAndReceive(nodeEp, subject.value(), payload); |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 158 | } |
| 159 | |
Yuta HIGUCHI | 76b54bf | 2014-11-07 01:56:55 -0800 | [diff] [blame] | 160 | @Override |
Madan Jampani | 2af244a | 2015-02-22 13:12:01 -0800 | [diff] [blame] | 161 | public void addSubscriber(MessageSubject subject, |
| 162 | ClusterMessageHandler subscriber, |
| 163 | ExecutorService executor) { |
Madan Jampani | c26eede | 2015-04-16 11:42:16 -0700 | [diff] [blame] | 164 | messagingService.registerHandler(subject.value(), |
| 165 | new InternalClusterMessageHandler(subscriber), |
| 166 | executor); |
Madan Jampani | 2af244a | 2015-02-22 13:12:01 -0800 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | @Override |
Yuta HIGUCHI | 76b54bf | 2014-11-07 01:56:55 -0800 | [diff] [blame] | 170 | public void removeSubscriber(MessageSubject subject) { |
| 171 | messagingService.unregisterHandler(subject.value()); |
| 172 | } |
| 173 | |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 174 | @Override |
| 175 | public <M, R> void addSubscriber(MessageSubject subject, |
| 176 | Function<byte[], M> decoder, |
| 177 | Function<M, R> handler, |
| 178 | Function<R, byte[]> encoder, |
Madan Jampani | ec5ae34 | 2015-04-13 15:43:10 -0700 | [diff] [blame] | 179 | Executor executor) { |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 180 | messagingService.registerHandler(subject.value(), |
Madan Jampani | 27b69c6 | 2015-05-15 15:49:02 -0700 | [diff] [blame] | 181 | new InternalMessageResponder<M, R>(decoder, encoder, m -> { |
| 182 | CompletableFuture<R> responseFuture = new CompletableFuture<>(); |
| 183 | executor.execute(() -> { |
| 184 | try { |
| 185 | responseFuture.complete(handler.apply(m)); |
| 186 | } catch (Exception e) { |
| 187 | responseFuture.completeExceptionally(e); |
| 188 | } |
| 189 | }); |
| 190 | return responseFuture; |
| 191 | })); |
| 192 | } |
| 193 | |
| 194 | @Override |
| 195 | public <M, R> void addSubscriber(MessageSubject subject, |
| 196 | Function<byte[], M> decoder, |
| 197 | Function<M, CompletableFuture<R>> handler, |
| 198 | Function<R, byte[]> encoder) { |
| 199 | messagingService.registerHandler(subject.value(), |
| 200 | new InternalMessageResponder<>(decoder, encoder, handler)); |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 201 | } |
| 202 | |
| 203 | @Override |
| 204 | public <M> void addSubscriber(MessageSubject subject, |
| 205 | Function<byte[], M> decoder, |
| 206 | Consumer<M> handler, |
Madan Jampani | ec5ae34 | 2015-04-13 15:43:10 -0700 | [diff] [blame] | 207 | Executor executor) { |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 208 | messagingService.registerHandler(subject.value(), |
| 209 | new InternalMessageConsumer<>(decoder, handler), |
| 210 | executor); |
| 211 | } |
| 212 | |
Madan Jampani | c26eede | 2015-04-16 11:42:16 -0700 | [diff] [blame] | 213 | private class InternalClusterMessageHandler implements Function<byte[], byte[]> { |
| 214 | private ClusterMessageHandler handler; |
| 215 | |
| 216 | public InternalClusterMessageHandler(ClusterMessageHandler handler) { |
| 217 | this.handler = handler; |
| 218 | } |
| 219 | |
| 220 | @Override |
| 221 | public byte[] apply(byte[] bytes) { |
| 222 | ClusterMessage message = ClusterMessage.fromBytes(bytes); |
| 223 | handler.handle(message); |
| 224 | return message.response(); |
| 225 | } |
| 226 | } |
| 227 | |
Madan Jampani | 27b69c6 | 2015-05-15 15:49:02 -0700 | [diff] [blame] | 228 | private class InternalMessageResponder<M, R> implements Function<byte[], CompletableFuture<byte[]>> { |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 229 | private final Function<byte[], M> decoder; |
| 230 | private final Function<R, byte[]> encoder; |
Madan Jampani | 27b69c6 | 2015-05-15 15:49:02 -0700 | [diff] [blame] | 231 | private final Function<M, CompletableFuture<R>> handler; |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 232 | |
| 233 | public InternalMessageResponder(Function<byte[], M> decoder, |
| 234 | Function<R, byte[]> encoder, |
Madan Jampani | 27b69c6 | 2015-05-15 15:49:02 -0700 | [diff] [blame] | 235 | Function<M, CompletableFuture<R>> handler) { |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 236 | this.decoder = decoder; |
| 237 | this.encoder = encoder; |
| 238 | this.handler = handler; |
| 239 | } |
Madan Jampani | c26eede | 2015-04-16 11:42:16 -0700 | [diff] [blame] | 240 | |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 241 | @Override |
Madan Jampani | 27b69c6 | 2015-05-15 15:49:02 -0700 | [diff] [blame] | 242 | public CompletableFuture<byte[]> apply(byte[] bytes) { |
| 243 | return handler.apply(decoder.apply(ClusterMessage.fromBytes(bytes).payload())).thenApply(encoder); |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 244 | } |
| 245 | } |
| 246 | |
Madan Jampani | c26eede | 2015-04-16 11:42:16 -0700 | [diff] [blame] | 247 | private class InternalMessageConsumer<M> implements Consumer<byte[]> { |
Madan Jampani | 2bfa94c | 2015-04-11 05:03:49 -0700 | [diff] [blame] | 248 | private final Function<byte[], M> decoder; |
| 249 | private final Consumer<M> consumer; |
| 250 | |
| 251 | public InternalMessageConsumer(Function<byte[], M> decoder, Consumer<M> consumer) { |
| 252 | this.decoder = decoder; |
| 253 | this.consumer = consumer; |
| 254 | } |
Madan Jampani | 8a89509 | 2014-10-17 16:55:50 -0700 | [diff] [blame] | 255 | |
| 256 | @Override |
Madan Jampani | c26eede | 2015-04-16 11:42:16 -0700 | [diff] [blame] | 257 | public void accept(byte[] bytes) { |
| 258 | consumer.accept(decoder.apply(ClusterMessage.fromBytes(bytes).payload())); |
Madan Jampani | 8a89509 | 2014-10-17 16:55:50 -0700 | [diff] [blame] | 259 | } |
| 260 | } |
Madan Jampani | f5d263b | 2014-11-13 10:04:40 -0800 | [diff] [blame] | 261 | } |