Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 1 | package org.onlab.onos.store.service.impl; |
| 2 | |
Yuta HIGUCHI | a3982c1 | 2014-11-10 09:47:08 -0800 | [diff] [blame] | 3 | import static com.google.common.base.Verify.verifyNotNull; |
Yuta HIGUCHI | a3982c1 | 2014-11-10 09:47:08 -0800 | [diff] [blame] | 4 | import static org.onlab.onos.store.service.impl.ClusterMessagingProtocol.SERIALIZER; |
Yuta HIGUCHI | 2b75f1a | 2014-11-14 16:07:34 -0800 | [diff] [blame] | 5 | import static org.onlab.util.Tools.namedThreads; |
Madan Jampani | 2b6ca91 | 2014-11-21 14:44:45 -0800 | [diff] [blame] | 6 | import static org.slf4j.LoggerFactory.getLogger; |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 7 | |
| 8 | import java.io.IOException; |
| 9 | import java.util.concurrent.CompletableFuture; |
| 10 | import java.util.concurrent.ExecutionException; |
Yuta HIGUCHI | 2b75f1a | 2014-11-14 16:07:34 -0800 | [diff] [blame] | 11 | import java.util.concurrent.ExecutorService; |
| 12 | import java.util.concurrent.Executors; |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 13 | import java.util.concurrent.TimeUnit; |
| 14 | import java.util.concurrent.TimeoutException; |
Madan Jampani | 6234fd4 | 2014-11-21 22:34:28 -0800 | [diff] [blame^] | 15 | import java.util.concurrent.atomic.AtomicBoolean; |
Madan Jampani | 2b6ca91 | 2014-11-21 14:44:45 -0800 | [diff] [blame] | 16 | |
Yuta HIGUCHI | 71b9d09 | 2014-11-12 13:31:11 -0800 | [diff] [blame] | 17 | import net.kuujo.copycat.cluster.TcpMember; |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 18 | import net.kuujo.copycat.protocol.PingRequest; |
| 19 | import net.kuujo.copycat.protocol.PingResponse; |
| 20 | import net.kuujo.copycat.protocol.PollRequest; |
| 21 | import net.kuujo.copycat.protocol.PollResponse; |
| 22 | import net.kuujo.copycat.protocol.SubmitRequest; |
| 23 | import net.kuujo.copycat.protocol.SubmitResponse; |
| 24 | import net.kuujo.copycat.protocol.SyncRequest; |
| 25 | import net.kuujo.copycat.protocol.SyncResponse; |
| 26 | import net.kuujo.copycat.spi.protocol.ProtocolClient; |
| 27 | |
Yuta HIGUCHI | 71b9d09 | 2014-11-12 13:31:11 -0800 | [diff] [blame] | 28 | import org.onlab.onos.cluster.ClusterService; |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 29 | import org.onlab.onos.cluster.ControllerNode; |
| 30 | import org.onlab.onos.store.cluster.messaging.ClusterCommunicationService; |
| 31 | import org.onlab.onos.store.cluster.messaging.ClusterMessage; |
| 32 | import org.onlab.onos.store.cluster.messaging.MessageSubject; |
| 33 | import org.slf4j.Logger; |
| 34 | |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 35 | /** |
Madan Jampani | dfbfa18 | 2014-11-04 22:06:41 -0800 | [diff] [blame] | 36 | * ONOS Cluster messaging based Copycat protocol client. |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 37 | */ |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 38 | public class ClusterMessagingProtocolClient implements ProtocolClient { |
| 39 | |
| 40 | private final Logger log = getLogger(getClass()); |
| 41 | |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 42 | public static final long RETRY_INTERVAL_MILLIS = 2000; |
| 43 | |
Yuta HIGUCHI | 71b9d09 | 2014-11-12 13:31:11 -0800 | [diff] [blame] | 44 | private final ClusterService clusterService; |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 45 | private final ClusterCommunicationService clusterCommunicator; |
Madan Jampani | 515865d | 2014-11-09 22:29:34 -0800 | [diff] [blame] | 46 | private final ControllerNode localNode; |
Yuta HIGUCHI | 71b9d09 | 2014-11-12 13:31:11 -0800 | [diff] [blame] | 47 | private final TcpMember remoteMember; |
Yuta HIGUCHI | d249943 | 2014-11-20 12:07:43 -0800 | [diff] [blame] | 48 | |
Madan Jampani | 6234fd4 | 2014-11-21 22:34:28 -0800 | [diff] [blame^] | 49 | private ControllerNode remoteNode; |
| 50 | private final AtomicBoolean connectionOK = new AtomicBoolean(true); |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 51 | |
Yuta HIGUCHI | 2b75f1a | 2014-11-14 16:07:34 -0800 | [diff] [blame] | 52 | // TODO: make this non-static and stop on close |
| 53 | private static final ExecutorService THREAD_POOL |
| 54 | = Executors.newCachedThreadPool(namedThreads("copycat-netty-messaging-%d")); |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 55 | |
| 56 | public ClusterMessagingProtocolClient( |
Yuta HIGUCHI | 71b9d09 | 2014-11-12 13:31:11 -0800 | [diff] [blame] | 57 | ClusterService clusterService, |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 58 | ClusterCommunicationService clusterCommunicator, |
Madan Jampani | 515865d | 2014-11-09 22:29:34 -0800 | [diff] [blame] | 59 | ControllerNode localNode, |
Yuta HIGUCHI | 71b9d09 | 2014-11-12 13:31:11 -0800 | [diff] [blame] | 60 | TcpMember remoteMember) { |
| 61 | |
| 62 | this.clusterService = clusterService; |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 63 | this.clusterCommunicator = clusterCommunicator; |
Madan Jampani | 515865d | 2014-11-09 22:29:34 -0800 | [diff] [blame] | 64 | this.localNode = localNode; |
Yuta HIGUCHI | 71b9d09 | 2014-11-12 13:31:11 -0800 | [diff] [blame] | 65 | this.remoteMember = remoteMember; |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 66 | } |
| 67 | |
| 68 | @Override |
| 69 | public CompletableFuture<PingResponse> ping(PingRequest request) { |
Madan Jampani | 6234fd4 | 2014-11-21 22:34:28 -0800 | [diff] [blame^] | 70 | return requestReply(request); |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 71 | } |
| 72 | |
| 73 | @Override |
| 74 | public CompletableFuture<SyncResponse> sync(SyncRequest request) { |
Madan Jampani | 6234fd4 | 2014-11-21 22:34:28 -0800 | [diff] [blame^] | 75 | return requestReply(request); |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public CompletableFuture<PollResponse> poll(PollRequest request) { |
Madan Jampani | 6234fd4 | 2014-11-21 22:34:28 -0800 | [diff] [blame^] | 80 | return requestReply(request); |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | @Override |
| 84 | public CompletableFuture<SubmitResponse> submit(SubmitRequest request) { |
Madan Jampani | 6234fd4 | 2014-11-21 22:34:28 -0800 | [diff] [blame^] | 85 | return requestReply(request); |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | @Override |
Yuta HIGUCHI | 71b9d09 | 2014-11-12 13:31:11 -0800 | [diff] [blame] | 89 | public synchronized CompletableFuture<Void> connect() { |
Madan Jampani | 6234fd4 | 2014-11-21 22:34:28 -0800 | [diff] [blame^] | 90 | return CompletableFuture.completedFuture(null); |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | @Override |
Yuta HIGUCHI | 71b9d09 | 2014-11-12 13:31:11 -0800 | [diff] [blame] | 94 | public synchronized CompletableFuture<Void> close() { |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 95 | return CompletableFuture.completedFuture(null); |
| 96 | } |
| 97 | |
Yuta HIGUCHI | 3b01673 | 2014-11-07 15:32:18 -0800 | [diff] [blame] | 98 | private <I> MessageSubject messageType(I input) { |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 99 | Class<?> clazz = input.getClass(); |
| 100 | if (clazz.equals(PollRequest.class)) { |
| 101 | return ClusterMessagingProtocol.COPYCAT_POLL; |
| 102 | } else if (clazz.equals(SyncRequest.class)) { |
| 103 | return ClusterMessagingProtocol.COPYCAT_SYNC; |
| 104 | } else if (clazz.equals(SubmitRequest.class)) { |
| 105 | return ClusterMessagingProtocol.COPYCAT_SUBMIT; |
| 106 | } else if (clazz.equals(PingRequest.class)) { |
| 107 | return ClusterMessagingProtocol.COPYCAT_PING; |
| 108 | } else { |
| 109 | throw new IllegalArgumentException("Unknown class " + clazz.getName()); |
| 110 | } |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | private <I, O> CompletableFuture<O> requestReply(I request) { |
| 114 | CompletableFuture<O> future = new CompletableFuture<>(); |
Yuta HIGUCHI | 2b75f1a | 2014-11-14 16:07:34 -0800 | [diff] [blame] | 115 | THREAD_POOL.submit(new RPCTask<I, O>(request, future)); |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 116 | return future; |
| 117 | } |
| 118 | |
Yuta HIGUCHI | 71b9d09 | 2014-11-12 13:31:11 -0800 | [diff] [blame] | 119 | private ControllerNode getControllerNode(TcpMember remoteMember) { |
| 120 | final String host = remoteMember.host(); |
| 121 | final int port = remoteMember.port(); |
| 122 | for (ControllerNode node : clusterService.getNodes()) { |
| 123 | if (node.ip().toString().equals(host) && node.tcpPort() == port) { |
| 124 | return node; |
| 125 | } |
| 126 | } |
| 127 | return null; |
| 128 | } |
| 129 | |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 130 | private class RPCTask<I, O> implements Runnable { |
| 131 | |
Yuta HIGUCHI | e59656d | 2014-11-07 01:57:32 -0800 | [diff] [blame] | 132 | private final I request; |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 133 | private final ClusterMessage message; |
| 134 | private final CompletableFuture<O> future; |
| 135 | |
| 136 | public RPCTask(I request, CompletableFuture<O> future) { |
Yuta HIGUCHI | e59656d | 2014-11-07 01:57:32 -0800 | [diff] [blame] | 137 | this.request = request; |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 138 | this.message = |
| 139 | new ClusterMessage( |
Madan Jampani | 515865d | 2014-11-09 22:29:34 -0800 | [diff] [blame] | 140 | localNode.id(), |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 141 | messageType(request), |
Yuta HIGUCHI | a3982c1 | 2014-11-10 09:47:08 -0800 | [diff] [blame] | 142 | verifyNotNull(SERIALIZER.encode(request))); |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 143 | this.future = future; |
| 144 | } |
| 145 | |
| 146 | @Override |
| 147 | public void run() { |
| 148 | try { |
Madan Jampani | 6234fd4 | 2014-11-21 22:34:28 -0800 | [diff] [blame^] | 149 | if (remoteNode == null) { |
| 150 | remoteNode = getControllerNode(remoteMember); |
| 151 | if (remoteNode == null) { |
| 152 | throw new IOException("Remote node is offline!"); |
| 153 | } |
Yuta HIGUCHI | d249943 | 2014-11-20 12:07:43 -0800 | [diff] [blame] | 154 | } |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 155 | byte[] response = clusterCommunicator |
Madan Jampani | 6234fd4 | 2014-11-21 22:34:28 -0800 | [diff] [blame^] | 156 | .sendAndReceive(message, remoteNode.id()) |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 157 | .get(RETRY_INTERVAL_MILLIS, TimeUnit.MILLISECONDS); |
Madan Jampani | 6234fd4 | 2014-11-21 22:34:28 -0800 | [diff] [blame^] | 158 | if (!connectionOK.getAndSet(true)) { |
| 159 | log.info("Connectivity to {} restored", remoteNode); |
| 160 | } |
Yuta HIGUCHI | a3982c1 | 2014-11-10 09:47:08 -0800 | [diff] [blame] | 161 | future.complete(verifyNotNull(SERIALIZER.decode(response))); |
Yuta HIGUCHI | d249943 | 2014-11-20 12:07:43 -0800 | [diff] [blame] | 162 | } catch (IOException | TimeoutException e) { |
Madan Jampani | 6234fd4 | 2014-11-21 22:34:28 -0800 | [diff] [blame^] | 163 | if (connectionOK.getAndSet(false)) { |
| 164 | log.warn("Detected connectivity issues with {}. Reason: {}", remoteNode, e.getMessage()); |
| 165 | } |
Yuta HIGUCHI | 4520716 | 2014-11-17 15:25:13 -0800 | [diff] [blame] | 166 | log.debug("RPCTask for {} failed.", request, e); |
Madan Jampani | 515865d | 2014-11-09 22:29:34 -0800 | [diff] [blame] | 167 | future.completeExceptionally(e); |
Yuta HIGUCHI | d249943 | 2014-11-20 12:07:43 -0800 | [diff] [blame] | 168 | } catch (ExecutionException e) { |
| 169 | log.warn("RPCTask execution for {} failed: {}", request, e.getMessage()); |
| 170 | log.debug("RPCTask execution for {} failed.", request, e); |
| 171 | future.completeExceptionally(e); |
Yuta HIGUCHI | 2b75f1a | 2014-11-14 16:07:34 -0800 | [diff] [blame] | 172 | } catch (InterruptedException e) { |
Yuta HIGUCHI | 4520716 | 2014-11-17 15:25:13 -0800 | [diff] [blame] | 173 | log.warn("RPCTask for {} was interrupted: {}", request, e.getMessage()); |
| 174 | log.debug("RPCTask for {} was interrupted.", request, e); |
Yuta HIGUCHI | 2b75f1a | 2014-11-14 16:07:34 -0800 | [diff] [blame] | 175 | future.completeExceptionally(e); |
| 176 | Thread.currentThread().interrupt(); |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 177 | } catch (Exception e) { |
Yuta HIGUCHI | 9bbaca3 | 2014-11-07 13:08:31 -0800 | [diff] [blame] | 178 | log.warn("RPCTask for {} terribly failed.", request, e); |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 179 | future.completeExceptionally(e); |
| 180 | } |
| 181 | } |
| 182 | } |
Madan Jampani | 515865d | 2014-11-09 22:29:34 -0800 | [diff] [blame] | 183 | } |