Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2014-present Open Networking Foundation |
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.impl; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 17 | |
Jonathan Hart | 4a4d18f | 2015-03-26 12:16:16 -0700 | [diff] [blame] | 18 | import com.google.common.collect.ImmutableSet; |
| 19 | import com.google.common.collect.Maps; |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 20 | import org.onlab.packet.IpAddress; |
| 21 | import org.onlab.util.KryoNamespace; |
sangyun-han | 9f0af2d | 2016-08-04 13:04:59 +0900 | [diff] [blame] | 22 | import org.onosproject.cfg.ComponentConfigService; |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 23 | import org.onosproject.cfg.ConfigProperty; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 24 | import org.onosproject.cluster.ClusterEvent; |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 25 | import org.onosproject.cluster.ClusterMetadataService; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 26 | import org.onosproject.cluster.ClusterStore; |
| 27 | import org.onosproject.cluster.ClusterStoreDelegate; |
| 28 | import org.onosproject.cluster.ControllerNode; |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 29 | import org.onosproject.cluster.ControllerNode.State; |
Jonathan Hart | 4a4d18f | 2015-03-26 12:16:16 -0700 | [diff] [blame] | 30 | import org.onosproject.cluster.DefaultControllerNode; |
Jordan Halterman | 00e92da | 2018-05-22 23:05:52 -0700 | [diff] [blame] | 31 | import org.onosproject.cluster.Node; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 32 | import org.onosproject.cluster.NodeId; |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 33 | import org.onosproject.core.Version; |
| 34 | import org.onosproject.core.VersionService; |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 35 | import org.onosproject.store.AbstractStore; |
Madan Jampani | c26eede | 2015-04-16 11:42:16 -0700 | [diff] [blame] | 36 | import org.onosproject.store.cluster.messaging.Endpoint; |
Madan Jampani | afeebbd | 2015-05-19 15:26:01 -0700 | [diff] [blame] | 37 | import org.onosproject.store.cluster.messaging.MessagingService; |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 38 | import org.onosproject.store.serializers.KryoNamespaces; |
Jordan Halterman | 2c83a10 | 2017-08-20 17:11:41 -0700 | [diff] [blame] | 39 | import org.onosproject.store.service.Serializer; |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 40 | import org.osgi.service.component.ComponentContext; |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 41 | import org.osgi.service.component.annotations.Activate; |
| 42 | import org.osgi.service.component.annotations.Component; |
| 43 | import org.osgi.service.component.annotations.Deactivate; |
| 44 | import org.osgi.service.component.annotations.Modified; |
| 45 | import org.osgi.service.component.annotations.Reference; |
| 46 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 47 | import org.osgi.service.component.annotations.ReferencePolicy; |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 48 | import org.slf4j.Logger; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 49 | |
Yuta HIGUCHI | 0c47d53 | 2017-08-18 23:16:35 -0700 | [diff] [blame] | 50 | import java.time.Instant; |
Jonathan Hart | 4a4d18f | 2015-03-26 12:16:16 -0700 | [diff] [blame] | 51 | import java.util.Map; |
Thomas Vachuska | fba7f3d | 2016-03-23 15:46:25 -0700 | [diff] [blame] | 52 | import java.util.Objects; |
Jonathan Hart | 4a4d18f | 2015-03-26 12:16:16 -0700 | [diff] [blame] | 53 | import java.util.Set; |
| 54 | import java.util.concurrent.ExecutorService; |
| 55 | import java.util.concurrent.Executors; |
| 56 | import java.util.concurrent.ScheduledExecutorService; |
| 57 | import java.util.concurrent.TimeUnit; |
Madan Jampani | d36def0 | 2016-01-13 11:21:56 -0800 | [diff] [blame] | 58 | import java.util.function.BiConsumer; |
Jonathan Hart | 4a4d18f | 2015-03-26 12:16:16 -0700 | [diff] [blame] | 59 | import java.util.stream.Collectors; |
| 60 | |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 61 | import static com.google.common.base.MoreObjects.firstNonNull; |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 62 | import static com.google.common.base.Preconditions.checkArgument; |
Jonathan Hart | 4a4d18f | 2015-03-26 12:16:16 -0700 | [diff] [blame] | 63 | import static com.google.common.base.Preconditions.checkNotNull; |
Deepa Vaddireddy | 6690f59 | 2017-03-12 03:31:48 +0530 | [diff] [blame] | 64 | import static com.google.common.base.Strings.isNullOrEmpty; |
Jonathan Hart | 4a4d18f | 2015-03-26 12:16:16 -0700 | [diff] [blame] | 65 | import static org.onlab.util.Tools.groupedThreads; |
Thomas Vachuska | fba7f3d | 2016-03-23 15:46:25 -0700 | [diff] [blame] | 66 | import static org.onosproject.cluster.ClusterEvent.Type.INSTANCE_ACTIVATED; |
| 67 | import static org.onosproject.cluster.ClusterEvent.Type.INSTANCE_DEACTIVATED; |
| 68 | import static org.onosproject.cluster.ClusterEvent.Type.INSTANCE_READY; |
Jonathan Hart | 4a4d18f | 2015-03-26 12:16:16 -0700 | [diff] [blame] | 69 | import static org.slf4j.LoggerFactory.getLogger; |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 70 | import static org.onosproject.store.OsgiPropertyConstants.*; |
| 71 | |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 72 | /** |
| 73 | * Distributed cluster nodes store that employs an accrual failure |
| 74 | * detector to identify cluster member up/down status. |
| 75 | */ |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 76 | |
| 77 | @Component( |
| 78 | enabled = false, |
| 79 | service = ClusterStore.class, |
| 80 | property = { |
| 81 | HEARTBEAT_INTERVAL + "=" + HEARTBEAT_INTERVAL_DEFAULT, |
| 82 | PHI_FAILURE_THRESHOLD + "=" + PHI_FAILURE_THRESHOLD_DEFAULT, |
| 83 | MIN_STANDARD_DEVIATION_MILLIS + "=" + MIN_STANDARD_DEVIATION_MILLIS_DEFAULT |
| 84 | } |
| 85 | ) |
| 86 | |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 87 | public class DistributedClusterStore |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 88 | extends AbstractStore<ClusterEvent, ClusterStoreDelegate> |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 89 | implements ClusterStore { |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 90 | |
Thomas Vachuska | 8dc1a69 | 2015-03-31 01:01:37 -0700 | [diff] [blame] | 91 | private static final Logger log = getLogger(DistributedClusterStore.class); |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 92 | |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 93 | public static final String HEARTBEAT_MESSAGE = "onos-cluster-heartbeat"; |
| 94 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 95 | //@Property(name = "heartbeatInterval", intValue = DEFAULT_HEARTBEAT_INTERVAL, |
| 96 | // label = "Interval time to send heartbeat to other controller nodes (millisecond)") |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 97 | private int heartbeatInterval = HEARTBEAT_INTERVAL_DEFAULT; |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 98 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 99 | //@Property(name = "phiFailureThreshold", intValue = DEFAULT_PHI_FAILURE_THRESHOLD, |
| 100 | // label = "the value of Phi threshold to detect accrual failure") |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 101 | private int phiFailureThreshold = PHI_FAILURE_THRESHOLD_DEFAULT; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 102 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 103 | //@Property(name = "minStandardDeviationMillis", longValue = DEFAULT_MIN_STANDARD_DEVIATION_MILLIS, |
| 104 | // label = "The minimum standard deviation to take into account when computing the Phi value") |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 105 | private long minStandardDeviationMillis = MIN_STANDARD_DEVIATION_MILLIS_DEFAULT; |
Jordan Halterman | 4a082ec | 2018-05-14 15:00:42 -0700 | [diff] [blame] | 106 | |
Jordan Halterman | 2c83a10 | 2017-08-20 17:11:41 -0700 | [diff] [blame] | 107 | private static final Serializer SERIALIZER = Serializer.using( |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 108 | KryoNamespace.newBuilder() |
Thomas Vachuska | 8dc1a69 | 2015-03-31 01:01:37 -0700 | [diff] [blame] | 109 | .register(KryoNamespaces.API) |
HIGUCHI Yuta | e729065 | 2016-05-18 11:29:01 -0700 | [diff] [blame] | 110 | .nextId(KryoNamespaces.BEGIN_USER_CUSTOM_ID) |
Thomas Vachuska | 8dc1a69 | 2015-03-31 01:01:37 -0700 | [diff] [blame] | 111 | .register(HeartbeatMessage.class) |
HIGUCHI Yuta | e729065 | 2016-05-18 11:29:01 -0700 | [diff] [blame] | 112 | .build("ClusterStore")); |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 113 | |
| 114 | private static final String INSTANCE_ID_NULL = "Instance ID cannot be null"; |
| 115 | |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 116 | private final Map<NodeId, ControllerNode> allNodes = Maps.newConcurrentMap(); |
| 117 | private final Map<NodeId, State> nodeStates = Maps.newConcurrentMap(); |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 118 | private final Map<NodeId, Version> nodeVersions = Maps.newConcurrentMap(); |
Yuta HIGUCHI | 0c47d53 | 2017-08-18 23:16:35 -0700 | [diff] [blame] | 119 | private final Map<NodeId, Instant> nodeLastUpdatedTimes = Maps.newConcurrentMap(); |
Thomas Vachuska | 7a8de84 | 2016-03-07 20:56:35 -0800 | [diff] [blame] | 120 | |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 121 | private ScheduledExecutorService heartBeatSender = Executors.newSingleThreadScheduledExecutor( |
HIGUCHI Yuta | d9e0105 | 2016-04-14 09:31:42 -0700 | [diff] [blame] | 122 | groupedThreads("onos/cluster/membership", "heartbeat-sender", log)); |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 123 | private ExecutorService heartBeatMessageHandler = Executors.newSingleThreadExecutor( |
HIGUCHI Yuta | d9e0105 | 2016-04-14 09:31:42 -0700 | [diff] [blame] | 124 | groupedThreads("onos/cluster/membership", "heartbeat-receiver", log)); |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 125 | |
| 126 | private PhiAccrualFailureDetector failureDetector; |
| 127 | |
| 128 | private ControllerNode localNode; |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 129 | private Version localVersion; |
| 130 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 131 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 132 | protected VersionService versionService; |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 133 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 134 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 135 | protected ClusterMetadataService clusterMetadataService; |
Madan Jampani | afeebbd | 2015-05-19 15:26:01 -0700 | [diff] [blame] | 136 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 137 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Madan Jampani | afeebbd | 2015-05-19 15:26:01 -0700 | [diff] [blame] | 138 | protected MessagingService messagingService; |
| 139 | |
Thomas Vachuska | 1ca7e9f | 2016-08-05 10:21:41 -0700 | [diff] [blame] | 140 | // This must be optional to avoid a cyclic dependency |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 141 | @Reference(cardinality = ReferenceCardinality.OPTIONAL, |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 142 | bind = "bindComponentConfigService", |
| 143 | unbind = "unbindComponentConfigService", |
| 144 | policy = ReferencePolicy.DYNAMIC) |
sangyun-han | 9f0af2d | 2016-08-04 13:04:59 +0900 | [diff] [blame] | 145 | protected ComponentConfigService cfgService; |
| 146 | |
Thomas Vachuska | 1ca7e9f | 2016-08-05 10:21:41 -0700 | [diff] [blame] | 147 | /** |
| 148 | * Hook for wiring up optional reference to a service. |
| 149 | * |
| 150 | * @param service service being announced |
| 151 | */ |
| 152 | protected void bindComponentConfigService(ComponentConfigService service) { |
| 153 | if (cfgService == null) { |
| 154 | cfgService = service; |
| 155 | cfgService.registerProperties(getClass()); |
Deepa Vaddireddy | 6690f59 | 2017-03-12 03:31:48 +0530 | [diff] [blame] | 156 | readComponentConfiguration(); |
Thomas Vachuska | 1ca7e9f | 2016-08-05 10:21:41 -0700 | [diff] [blame] | 157 | } |
| 158 | } |
| 159 | |
| 160 | /** |
| 161 | * Hook for unwiring optional reference to a service. |
| 162 | * |
| 163 | * @param service service being withdrawn |
| 164 | */ |
| 165 | protected void unbindComponentConfigService(ComponentConfigService service) { |
| 166 | if (cfgService == service) { |
| 167 | cfgService.unregisterProperties(getClass(), false); |
| 168 | cfgService = null; |
| 169 | } |
| 170 | } |
| 171 | |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 172 | @Activate |
Thomas Vachuska | 1ca7e9f | 2016-08-05 10:21:41 -0700 | [diff] [blame] | 173 | public void activate() { |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 174 | localNode = clusterMetadataService.getLocalNode(); |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 175 | localVersion = versionService.version(); |
| 176 | nodeVersions.put(localNode.id(), localVersion); |
Thomas Vachuska | 8dc1a69 | 2015-03-31 01:01:37 -0700 | [diff] [blame] | 177 | |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 178 | messagingService.registerHandler(HEARTBEAT_MESSAGE, |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 179 | new HeartbeatMessageHandler(), heartBeatMessageHandler); |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 180 | |
Jordan Halterman | 4a082ec | 2018-05-14 15:00:42 -0700 | [diff] [blame] | 181 | failureDetector = new PhiAccrualFailureDetector(minStandardDeviationMillis); |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 182 | |
| 183 | heartBeatSender.scheduleWithFixedDelay(this::heartbeat, 0, |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 184 | heartbeatInterval, TimeUnit.MILLISECONDS); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 185 | |
| 186 | log.info("Started"); |
| 187 | } |
| 188 | |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 189 | @Deactivate |
| 190 | public void deactivate() { |
Madan Jampani | afeebbd | 2015-05-19 15:26:01 -0700 | [diff] [blame] | 191 | messagingService.unregisterHandler(HEARTBEAT_MESSAGE); |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 192 | heartBeatSender.shutdownNow(); |
| 193 | heartBeatMessageHandler.shutdownNow(); |
| 194 | |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 195 | log.info("Stopped"); |
| 196 | } |
| 197 | |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 198 | @Modified |
| 199 | public void modified(ComponentContext context) { |
Deepa Vaddireddy | 6690f59 | 2017-03-12 03:31:48 +0530 | [diff] [blame] | 200 | readComponentConfiguration(); |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 201 | } |
| 202 | |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 203 | @Override |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 204 | public void setDelegate(ClusterStoreDelegate delegate) { |
| 205 | checkNotNull(delegate, "Delegate cannot be null"); |
| 206 | this.delegate = delegate; |
| 207 | } |
| 208 | |
| 209 | @Override |
| 210 | public void unsetDelegate(ClusterStoreDelegate delegate) { |
| 211 | this.delegate = null; |
| 212 | } |
| 213 | |
| 214 | @Override |
| 215 | public boolean hasDelegate() { |
| 216 | return this.delegate != null; |
| 217 | } |
| 218 | |
| 219 | @Override |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 220 | public ControllerNode getLocalNode() { |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 221 | return localNode; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 222 | } |
| 223 | |
| 224 | @Override |
| 225 | public Set<ControllerNode> getNodes() { |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 226 | return ImmutableSet.copyOf(allNodes.values()); |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | @Override |
Jordan Halterman | 00e92da | 2018-05-22 23:05:52 -0700 | [diff] [blame] | 230 | public Set<Node> getStorageNodes() { |
| 231 | return ImmutableSet.of(); |
| 232 | } |
| 233 | |
| 234 | @Override |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 235 | public ControllerNode getNode(NodeId nodeId) { |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 236 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 237 | return allNodes.get(nodeId); |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | @Override |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 241 | public State getState(NodeId nodeId) { |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 242 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 243 | return firstNonNull(nodeStates.get(nodeId), State.INACTIVE); |
| 244 | } |
| 245 | |
| 246 | @Override |
| 247 | public Version getVersion(NodeId nodeId) { |
| 248 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 249 | return nodeVersions.get(nodeId); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 250 | } |
| 251 | |
| 252 | @Override |
Thomas Vachuska | 7a8de84 | 2016-03-07 20:56:35 -0800 | [diff] [blame] | 253 | public void markFullyStarted(boolean started) { |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 254 | updateNode(localNode.id(), started ? State.READY : State.ACTIVE, null); |
Thomas Vachuska | 7a8de84 | 2016-03-07 20:56:35 -0800 | [diff] [blame] | 255 | } |
| 256 | |
| 257 | @Override |
Pavlin Radoslavov | 444b519 | 2014-10-28 10:45:19 -0700 | [diff] [blame] | 258 | public ControllerNode addNode(NodeId nodeId, IpAddress ip, int tcpPort) { |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 259 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 260 | ControllerNode node = new DefaultControllerNode(nodeId, ip, tcpPort); |
Madan Jampani | afeebbd | 2015-05-19 15:26:01 -0700 | [diff] [blame] | 261 | addNode(node); |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 262 | return node; |
tom | ee49c37 | 2014-09-26 15:14:50 -0700 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | @Override |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 266 | public void removeNode(NodeId nodeId) { |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 267 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 268 | ControllerNode node = allNodes.remove(nodeId); |
| 269 | if (node != null) { |
| 270 | nodeStates.remove(nodeId); |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 271 | nodeVersions.remove(nodeId); |
Jonathan Hart | f114126 | 2015-04-23 11:27:07 -0700 | [diff] [blame] | 272 | notifyDelegate(new ClusterEvent(ClusterEvent.Type.INSTANCE_REMOVED, node)); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 273 | } |
| 274 | } |
| 275 | |
Madan Jampani | afeebbd | 2015-05-19 15:26:01 -0700 | [diff] [blame] | 276 | private void addNode(ControllerNode node) { |
| 277 | allNodes.put(node.id(), node); |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 278 | updateNode(node.id(), node.equals(localNode) ? State.ACTIVE : State.INACTIVE, null); |
Madan Jampani | afeebbd | 2015-05-19 15:26:01 -0700 | [diff] [blame] | 279 | notifyDelegate(new ClusterEvent(ClusterEvent.Type.INSTANCE_ADDED, node)); |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 280 | } |
| 281 | |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 282 | private void updateNode(NodeId nodeId, State newState, Version newVersion) { |
Thomas Vachuska | fba7f3d | 2016-03-23 15:46:25 -0700 | [diff] [blame] | 283 | State currentState = nodeStates.get(nodeId); |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 284 | Version currentVersion = nodeVersions.get(nodeId); |
Jordan Halterman | eabae96 | 2017-08-01 17:29:36 -0700 | [diff] [blame] | 285 | if (!Objects.equals(currentState, newState) |
| 286 | || (newVersion != null && !Objects.equals(currentVersion, newVersion))) { |
Thomas Vachuska | fba7f3d | 2016-03-23 15:46:25 -0700 | [diff] [blame] | 287 | nodeStates.put(nodeId, newState); |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 288 | if (newVersion != null) { |
| 289 | nodeVersions.put(nodeId, newVersion); |
| 290 | } |
Yuta HIGUCHI | 0c47d53 | 2017-08-18 23:16:35 -0700 | [diff] [blame] | 291 | nodeLastUpdatedTimes.put(nodeId, Instant.now()); |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 292 | notifyChange(nodeId, currentState, newState, currentVersion, newVersion); |
Thomas Vachuska | fba7f3d | 2016-03-23 15:46:25 -0700 | [diff] [blame] | 293 | } |
Madan Jampani | 7d2fab2 | 2015-03-18 17:21:57 -0700 | [diff] [blame] | 294 | } |
| 295 | |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 296 | private void heartbeat() { |
| 297 | try { |
| 298 | Set<ControllerNode> peers = allNodes.values() |
| 299 | .stream() |
| 300 | .filter(node -> !(node.id().equals(localNode.id()))) |
| 301 | .collect(Collectors.toSet()); |
Thomas Vachuska | 7a8de84 | 2016-03-07 20:56:35 -0800 | [diff] [blame] | 302 | State state = nodeStates.get(localNode.id()); |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 303 | byte[] hbMessagePayload = SERIALIZER.encode(new HeartbeatMessage(localNode, state, localVersion)); |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 304 | peers.forEach((node) -> { |
| 305 | heartbeatToPeer(hbMessagePayload, node); |
| 306 | State currentState = nodeStates.get(node.id()); |
| 307 | double phi = failureDetector.phi(node.id()); |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 308 | if (phi >= phiFailureThreshold) { |
Thomas Vachuska | 7a8de84 | 2016-03-07 20:56:35 -0800 | [diff] [blame] | 309 | if (currentState.isActive()) { |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 310 | updateNode(node.id(), State.INACTIVE, null); |
Jordan Halterman | e706253 | 2018-01-22 11:22:46 -0800 | [diff] [blame] | 311 | failureDetector.reset(node.id()); |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 312 | } |
| 313 | } else { |
| 314 | if (currentState == State.INACTIVE) { |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 315 | updateNode(node.id(), State.ACTIVE, null); |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 316 | } |
| 317 | } |
| 318 | }); |
| 319 | } catch (Exception e) { |
| 320 | log.debug("Failed to send heartbeat", e); |
| 321 | } |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 322 | } |
| 323 | |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 324 | private void notifyChange(NodeId nodeId, State oldState, State newState, Version oldVersion, Version newVersion) { |
| 325 | if (oldState != newState || !Objects.equals(oldVersion, newVersion)) { |
Thomas Vachuska | fba7f3d | 2016-03-23 15:46:25 -0700 | [diff] [blame] | 326 | ControllerNode node = allNodes.get(nodeId); |
Jon Hall | 1f13d64 | 2016-05-13 17:53:01 -0700 | [diff] [blame] | 327 | // Either this node or that node is no longer part of the same cluster |
| 328 | if (node == null) { |
Jon Hall | 66870baa | 2016-06-20 12:12:10 -0700 | [diff] [blame] | 329 | log.debug("Could not find node {} in the cluster, ignoring state change", nodeId); |
Jon Hall | 1f13d64 | 2016-05-13 17:53:01 -0700 | [diff] [blame] | 330 | return; |
| 331 | } |
Thomas Vachuska | fba7f3d | 2016-03-23 15:46:25 -0700 | [diff] [blame] | 332 | ClusterEvent.Type type = newState == State.READY ? INSTANCE_READY : |
| 333 | newState == State.ACTIVE ? INSTANCE_ACTIVATED : |
| 334 | INSTANCE_DEACTIVATED; |
| 335 | notifyDelegate(new ClusterEvent(type, node)); |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 336 | } |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 337 | } |
| 338 | |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 339 | private void heartbeatToPeer(byte[] messagePayload, ControllerNode peer) { |
Madan Jampani | afeebbd | 2015-05-19 15:26:01 -0700 | [diff] [blame] | 340 | Endpoint remoteEp = new Endpoint(peer.ip(), peer.tcpPort()); |
Madan Jampani | 175e8fd | 2015-05-20 14:10:45 -0700 | [diff] [blame] | 341 | messagingService.sendAsync(remoteEp, HEARTBEAT_MESSAGE, messagePayload).whenComplete((result, error) -> { |
| 342 | if (error != null) { |
| 343 | log.trace("Sending heartbeat to {} failed", remoteEp, error); |
| 344 | } |
| 345 | }); |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 346 | } |
| 347 | |
Madan Jampani | d36def0 | 2016-01-13 11:21:56 -0800 | [diff] [blame] | 348 | private class HeartbeatMessageHandler implements BiConsumer<Endpoint, byte[]> { |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 349 | @Override |
Madan Jampani | d36def0 | 2016-01-13 11:21:56 -0800 | [diff] [blame] | 350 | public void accept(Endpoint sender, byte[] message) { |
Madan Jampani | c26eede | 2015-04-16 11:42:16 -0700 | [diff] [blame] | 351 | HeartbeatMessage hb = SERIALIZER.decode(message); |
Madan Jampani | e337506 | 2016-04-19 16:32:10 -0700 | [diff] [blame] | 352 | if (clusterMetadataService.getClusterMetadata().getNodes().contains(hb.source())) { |
Jordan Halterman | e706253 | 2018-01-22 11:22:46 -0800 | [diff] [blame] | 353 | // Avoid reporting heartbeats that have been enqueued by setting a minimum interval. |
| 354 | long heartbeatTime = System.currentTimeMillis(); |
| 355 | long lastHeartbeatTime = failureDetector.getLastHeartbeatTime(hb.source().id()); |
| 356 | if (heartbeatTime - lastHeartbeatTime > heartbeatInterval / 2) { |
| 357 | failureDetector.report(hb.source().id(), heartbeatTime); |
Jordan Halterman | 1315d3e | 2018-01-16 19:41:31 -0800 | [diff] [blame] | 358 | } |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 359 | updateNode(hb.source().id(), hb.state, hb.version); |
Madan Jampani | e337506 | 2016-04-19 16:32:10 -0700 | [diff] [blame] | 360 | } |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 361 | } |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 362 | } |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 363 | |
| 364 | private static class HeartbeatMessage { |
| 365 | private ControllerNode source; |
Thomas Vachuska | 7a8de84 | 2016-03-07 20:56:35 -0800 | [diff] [blame] | 366 | private State state; |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 367 | private Version version; |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 368 | |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 369 | public HeartbeatMessage(ControllerNode source, State state, Version version) { |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 370 | this.source = source; |
Thomas Vachuska | 7a8de84 | 2016-03-07 20:56:35 -0800 | [diff] [blame] | 371 | this.state = state != null ? state : State.ACTIVE; |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 372 | this.version = version; |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 373 | } |
| 374 | |
| 375 | public ControllerNode source() { |
| 376 | return source; |
| 377 | } |
Ayaka Koshibe | dd91b84 | 2015-03-02 14:48:47 -0800 | [diff] [blame] | 378 | } |
| 379 | |
Madan Jampani | 7d2fab2 | 2015-03-18 17:21:57 -0700 | [diff] [blame] | 380 | @Override |
Yuta HIGUCHI | 0c47d53 | 2017-08-18 23:16:35 -0700 | [diff] [blame] | 381 | public Instant getLastUpdatedInstant(NodeId nodeId) { |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 382 | return nodeLastUpdatedTimes.get(nodeId); |
Madan Jampani | 7d2fab2 | 2015-03-18 17:21:57 -0700 | [diff] [blame] | 383 | } |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 384 | |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 385 | /** |
Deepa Vaddireddy | 6690f59 | 2017-03-12 03:31:48 +0530 | [diff] [blame] | 386 | * Extracts properties from the component configuration. |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 387 | * |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 388 | */ |
Deepa Vaddireddy | 6690f59 | 2017-03-12 03:31:48 +0530 | [diff] [blame] | 389 | private void readComponentConfiguration() { |
| 390 | Set<ConfigProperty> configProperties = cfgService.getProperties(getClass().getName()); |
| 391 | for (ConfigProperty property : configProperties) { |
Jon Hall | a3fcf67 | 2017-03-28 16:53:22 -0700 | [diff] [blame] | 392 | if ("heartbeatInterval".equals(property.name())) { |
Deepa Vaddireddy | 6690f59 | 2017-03-12 03:31:48 +0530 | [diff] [blame] | 393 | String s = property.value(); |
| 394 | if (s == null) { |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 395 | setHeartbeatInterval(HEARTBEAT_INTERVAL_DEFAULT); |
Deepa Vaddireddy | 6690f59 | 2017-03-12 03:31:48 +0530 | [diff] [blame] | 396 | log.info("Heartbeat interval time is not configured, default value is {}", |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 397 | HEARTBEAT_INTERVAL_DEFAULT); |
Deepa Vaddireddy | 6690f59 | 2017-03-12 03:31:48 +0530 | [diff] [blame] | 398 | } else { |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 399 | int newHeartbeatInterval = isNullOrEmpty(s) ? HEARTBEAT_INTERVAL_DEFAULT |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 400 | : Integer.parseInt(s.trim()); |
Deepa Vaddireddy | 6690f59 | 2017-03-12 03:31:48 +0530 | [diff] [blame] | 401 | if (newHeartbeatInterval > 0 && heartbeatInterval != newHeartbeatInterval) { |
| 402 | heartbeatInterval = newHeartbeatInterval; |
| 403 | restartHeartbeatSender(); |
| 404 | } |
| 405 | log.info("Configured. Heartbeat interval time is configured to {}", |
| 406 | heartbeatInterval); |
| 407 | } |
| 408 | } |
Jon Hall | a3fcf67 | 2017-03-28 16:53:22 -0700 | [diff] [blame] | 409 | if ("phiFailureThreshold".equals(property.name())) { |
Deepa Vaddireddy | 6690f59 | 2017-03-12 03:31:48 +0530 | [diff] [blame] | 410 | String s = property.value(); |
| 411 | if (s == null) { |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 412 | setPhiFailureThreshold(PHI_FAILURE_THRESHOLD_DEFAULT); |
Deepa Vaddireddy | 6690f59 | 2017-03-12 03:31:48 +0530 | [diff] [blame] | 413 | log.info("Phi failure threshold is not configured, default value is {}", |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 414 | PHI_FAILURE_THRESHOLD_DEFAULT); |
Deepa Vaddireddy | 6690f59 | 2017-03-12 03:31:48 +0530 | [diff] [blame] | 415 | } else { |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 416 | int newPhiFailureThreshold = isNullOrEmpty(s) ? HEARTBEAT_INTERVAL_DEFAULT |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 417 | : Integer.parseInt(s.trim()); |
Deepa Vaddireddy | 6690f59 | 2017-03-12 03:31:48 +0530 | [diff] [blame] | 418 | setPhiFailureThreshold(newPhiFailureThreshold); |
| 419 | log.info("Configured. Phi failure threshold is configured to {}", |
| 420 | phiFailureThreshold); |
| 421 | } |
| 422 | } |
Jordan Halterman | 4a082ec | 2018-05-14 15:00:42 -0700 | [diff] [blame] | 423 | if ("minStandardDeviationMillis".equals(property.name())) { |
| 424 | String s = property.value(); |
| 425 | if (s == null) { |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 426 | setMinStandardDeviationMillis(MIN_STANDARD_DEVIATION_MILLIS_DEFAULT); |
Jordan Halterman | 4a082ec | 2018-05-14 15:00:42 -0700 | [diff] [blame] | 427 | log.info("Minimum standard deviation is not configured, default value is {}", |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 428 | MIN_STANDARD_DEVIATION_MILLIS_DEFAULT); |
Jordan Halterman | 4a082ec | 2018-05-14 15:00:42 -0700 | [diff] [blame] | 429 | } else { |
| 430 | long newMinStandardDeviationMillis = isNullOrEmpty(s) |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 431 | ? MIN_STANDARD_DEVIATION_MILLIS_DEFAULT |
Jordan Halterman | 4a082ec | 2018-05-14 15:00:42 -0700 | [diff] [blame] | 432 | : Long.parseLong(s.trim()); |
| 433 | setMinStandardDeviationMillis(newMinStandardDeviationMillis); |
| 434 | log.info("Configured. Minimum standard deviation is configured to {}", |
| 435 | newMinStandardDeviationMillis); |
| 436 | } |
| 437 | } |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 438 | } |
| 439 | } |
| 440 | |
| 441 | /** |
| 442 | * Sets heartbeat interval between the termination of one execution of heartbeat |
| 443 | * and the commencement of the next. |
| 444 | * |
| 445 | * @param interval term between each heartbeat |
| 446 | */ |
| 447 | private void setHeartbeatInterval(int interval) { |
| 448 | try { |
| 449 | checkArgument(interval > 0, "Interval must be greater than zero"); |
| 450 | heartbeatInterval = interval; |
| 451 | } catch (IllegalArgumentException e) { |
| 452 | log.warn(e.getMessage()); |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 453 | heartbeatInterval = HEARTBEAT_INTERVAL_DEFAULT; |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 454 | } |
| 455 | } |
| 456 | |
| 457 | /** |
| 458 | * Sets Phi failure threshold. |
| 459 | * Phi is based on a paper titled: "The φ Accrual Failure Detector" by Hayashibara, et al. |
| 460 | * |
| 461 | * @param threshold |
| 462 | */ |
| 463 | private void setPhiFailureThreshold(int threshold) { |
| 464 | phiFailureThreshold = threshold; |
| 465 | } |
| 466 | |
| 467 | /** |
Jordan Halterman | 4a082ec | 2018-05-14 15:00:42 -0700 | [diff] [blame] | 468 | * Sets the minimum standard deviation milliseconds. |
| 469 | * |
| 470 | * @param minStandardDeviationMillis the updated minimum standard deviation |
| 471 | */ |
| 472 | private void setMinStandardDeviationMillis(long minStandardDeviationMillis) { |
| 473 | this.minStandardDeviationMillis = minStandardDeviationMillis; |
| 474 | try { |
| 475 | failureDetector = new PhiAccrualFailureDetector(minStandardDeviationMillis); |
| 476 | } catch (IllegalArgumentException e) { |
| 477 | log.warn(e.getMessage()); |
Ray Milkey | b5646e6 | 2018-10-16 11:42:18 -0700 | [diff] [blame^] | 478 | this.minStandardDeviationMillis = MIN_STANDARD_DEVIATION_MILLIS_DEFAULT; |
Jordan Halterman | 4a082ec | 2018-05-14 15:00:42 -0700 | [diff] [blame] | 479 | failureDetector = new PhiAccrualFailureDetector(this.minStandardDeviationMillis); |
| 480 | } |
| 481 | } |
| 482 | |
| 483 | /** |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 484 | * Restarts heartbeatSender executor. |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 485 | */ |
| 486 | private void restartHeartbeatSender() { |
| 487 | try { |
| 488 | ScheduledExecutorService prevSender = heartBeatSender; |
| 489 | heartBeatSender = Executors.newSingleThreadScheduledExecutor( |
HIGUCHI Yuta | d9e0105 | 2016-04-14 09:31:42 -0700 | [diff] [blame] | 490 | groupedThreads("onos/cluster/membership", "heartbeat-sender-%d", log)); |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 491 | heartBeatSender.scheduleWithFixedDelay(this::heartbeat, 0, |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 492 | heartbeatInterval, TimeUnit.MILLISECONDS); |
sangyun-han | f98df54 | 2016-03-24 20:28:03 +0900 | [diff] [blame] | 493 | prevSender.shutdown(); |
| 494 | } catch (Exception e) { |
| 495 | log.warn(e.getMessage()); |
| 496 | } |
| 497 | } |
Jordan Halterman | f70bf46 | 2017-07-29 13:12:00 -0700 | [diff] [blame] | 498 | } |