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.net.device.impl; |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 17 | |
alshabib | afc514a | 2014-12-01 14:44:05 -0800 | [diff] [blame] | 18 | import com.google.common.collect.Lists; |
Madan Jampani | de003d9 | 2015-05-11 17:14:20 -0700 | [diff] [blame] | 19 | |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 20 | import org.apache.felix.scr.annotations.Activate; |
| 21 | import org.apache.felix.scr.annotations.Component; |
| 22 | import org.apache.felix.scr.annotations.Deactivate; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 23 | import org.apache.felix.scr.annotations.Reference; |
| 24 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 25 | import org.apache.felix.scr.annotations.Service; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 26 | import org.onosproject.cluster.ClusterService; |
| 27 | import org.onosproject.cluster.NodeId; |
Simon Hunt | ff66374 | 2015-05-14 13:33:05 -0700 | [diff] [blame] | 28 | import org.onosproject.event.ListenerRegistry; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 29 | import org.onosproject.event.EventDeliveryService; |
| 30 | import org.onosproject.mastership.MastershipEvent; |
| 31 | import org.onosproject.mastership.MastershipListener; |
| 32 | import org.onosproject.mastership.MastershipService; |
| 33 | import org.onosproject.mastership.MastershipTerm; |
| 34 | import org.onosproject.mastership.MastershipTermService; |
| 35 | import org.onosproject.net.Device; |
| 36 | import org.onosproject.net.DeviceId; |
| 37 | import org.onosproject.net.MastershipRole; |
| 38 | import org.onosproject.net.Port; |
| 39 | import org.onosproject.net.PortNumber; |
| 40 | import org.onosproject.net.device.DefaultDeviceDescription; |
| 41 | import org.onosproject.net.device.DefaultPortDescription; |
| 42 | import org.onosproject.net.device.DeviceAdminService; |
| 43 | import org.onosproject.net.device.DeviceClockProviderService; |
| 44 | import org.onosproject.net.device.DeviceDescription; |
| 45 | import org.onosproject.net.device.DeviceEvent; |
| 46 | import org.onosproject.net.device.DeviceListener; |
| 47 | import org.onosproject.net.device.DeviceProvider; |
| 48 | import org.onosproject.net.device.DeviceProviderRegistry; |
| 49 | import org.onosproject.net.device.DeviceProviderService; |
| 50 | import org.onosproject.net.device.DeviceService; |
| 51 | import org.onosproject.net.device.DeviceStore; |
| 52 | import org.onosproject.net.device.DeviceStoreDelegate; |
| 53 | import org.onosproject.net.device.PortDescription; |
sangho | 538108b | 2015-04-08 14:29:20 -0700 | [diff] [blame] | 54 | import org.onosproject.net.device.PortStatistics; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 55 | import org.onosproject.net.provider.AbstractProviderRegistry; |
| 56 | import org.onosproject.net.provider.AbstractProviderService; |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 57 | import org.slf4j.Logger; |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 58 | |
sangho | 538108b | 2015-04-08 14:29:20 -0700 | [diff] [blame] | 59 | import java.util.Collection; |
Jonathan Hart | 2f66936 | 2015-02-11 16:19:20 -0800 | [diff] [blame] | 60 | import java.util.List; |
Thomas Vachuska | b17c41f | 2015-05-19 11:16:05 -0700 | [diff] [blame] | 61 | import java.util.Objects; |
Madan Jampani | de003d9 | 2015-05-11 17:14:20 -0700 | [diff] [blame] | 62 | import java.util.concurrent.CompletableFuture; |
Jonathan Hart | 2f66936 | 2015-02-11 16:19:20 -0800 | [diff] [blame] | 63 | import java.util.concurrent.ScheduledExecutorService; |
| 64 | import java.util.concurrent.TimeUnit; |
| 65 | |
| 66 | import static com.google.common.base.Preconditions.checkNotNull; |
Thomas Vachuska | 6f94ded | 2015-02-21 14:02:38 -0800 | [diff] [blame] | 67 | import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor; |
| 68 | import static org.onlab.util.Tools.groupedThreads; |
| 69 | import static org.onosproject.net.MastershipRole.*; |
Jonathan Hart | 2f66936 | 2015-02-11 16:19:20 -0800 | [diff] [blame] | 70 | import static org.slf4j.LoggerFactory.getLogger; |
| 71 | |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 72 | /** |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 73 | * Provides implementation of the device SB & NB APIs. |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 74 | */ |
| 75 | @Component(immediate = true) |
| 76 | @Service |
tom | 41a2c5f | 2014-09-19 09:20:35 -0700 | [diff] [blame] | 77 | public class DeviceManager |
Thomas Vachuska | d16ce18 | 2014-10-29 17:25:29 -0700 | [diff] [blame] | 78 | extends AbstractProviderRegistry<DeviceProvider, DeviceProviderService> |
| 79 | implements DeviceService, DeviceAdminService, DeviceProviderRegistry { |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 80 | |
tom | e5ec3fd | 2014-09-04 15:18:06 -0700 | [diff] [blame] | 81 | private static final String DEVICE_ID_NULL = "Device ID cannot be null"; |
| 82 | private static final String PORT_NUMBER_NULL = "Port number cannot be null"; |
| 83 | private static final String DEVICE_DESCRIPTION_NULL = "Device description cannot be null"; |
| 84 | private static final String PORT_DESCRIPTION_NULL = "Port description cannot be null"; |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 85 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 86 | private final Logger log = getLogger(getClass()); |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 87 | |
Simon Hunt | ff66374 | 2015-05-14 13:33:05 -0700 | [diff] [blame] | 88 | protected final ListenerRegistry<DeviceEvent, DeviceListener> listenerRegistry = |
| 89 | new ListenerRegistry<>(); |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 90 | |
alshabib | 339a3d9 | 2014-09-26 17:54:32 -0700 | [diff] [blame] | 91 | private final DeviceStoreDelegate delegate = new InternalStoreDelegate(); |
tom | f80c972 | 2014-09-24 14:49:18 -0700 | [diff] [blame] | 92 | |
tom | c78acee | 2014-09-24 15:16:55 -0700 | [diff] [blame] | 93 | private final MastershipListener mastershipListener = new InternalMastershipListener(); |
Madan Jampani | de003d9 | 2015-05-11 17:14:20 -0700 | [diff] [blame] | 94 | private NodeId localNodeId; |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 95 | |
Yuta HIGUCHI | 63323fd | 2014-11-11 12:16:58 -0800 | [diff] [blame] | 96 | private ScheduledExecutorService backgroundService; |
| 97 | |
tom | 41a2c5f | 2014-09-19 09:20:35 -0700 | [diff] [blame] | 98 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 99 | protected DeviceStore store; |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 100 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 101 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
tom | e5ec3fd | 2014-09-04 15:18:06 -0700 | [diff] [blame] | 102 | protected EventDeliveryService eventDispatcher; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 103 | |
Ayaka Koshibe | a7f044e | 2014-09-23 16:56:20 -0700 | [diff] [blame] | 104 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 105 | protected ClusterService clusterService; |
| 106 | |
| 107 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Ayaka Koshibe | a7f044e | 2014-09-23 16:56:20 -0700 | [diff] [blame] | 108 | protected MastershipService mastershipService; |
| 109 | |
Yuta HIGUCHI | bcac499 | 2014-11-22 19:27:57 -0800 | [diff] [blame] | 110 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Ayaka Koshibe | 3de43ca | 2014-09-26 16:40:23 -0700 | [diff] [blame] | 111 | protected MastershipTermService termService; |
| 112 | |
Madan Jampani | 61056bc | 2014-09-27 09:07:26 -0700 | [diff] [blame] | 113 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Yuta HIGUCHI | 093e83e | 2014-10-10 22:26:11 -0700 | [diff] [blame] | 114 | protected DeviceClockProviderService deviceClockProviderService; |
Madan Jampani | 61056bc | 2014-09-27 09:07:26 -0700 | [diff] [blame] | 115 | |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 116 | @Activate |
| 117 | public void activate() { |
Thomas Vachuska | 6f94ded | 2015-02-21 14:02:38 -0800 | [diff] [blame] | 118 | backgroundService = newSingleThreadScheduledExecutor(groupedThreads("onos/device", "manager-background")); |
Madan Jampani | de003d9 | 2015-05-11 17:14:20 -0700 | [diff] [blame] | 119 | localNodeId = clusterService.getLocalNode().id(); |
Yuta HIGUCHI | 63323fd | 2014-11-11 12:16:58 -0800 | [diff] [blame] | 120 | |
tom | f80c972 | 2014-09-24 14:49:18 -0700 | [diff] [blame] | 121 | store.setDelegate(delegate); |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 122 | eventDispatcher.addSink(DeviceEvent.class, listenerRegistry); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 123 | mastershipService.addListener(mastershipListener); |
Yuta HIGUCHI | 63323fd | 2014-11-11 12:16:58 -0800 | [diff] [blame] | 124 | |
| 125 | backgroundService.scheduleWithFixedDelay(new Runnable() { |
| 126 | |
| 127 | @Override |
| 128 | public void run() { |
| 129 | try { |
| 130 | mastershipCheck(); |
| 131 | } catch (Exception e) { |
| 132 | log.error("Exception thrown during integrity check", e); |
| 133 | } |
| 134 | } |
| 135 | }, 1, 1, TimeUnit.MINUTES); |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 136 | log.info("Started"); |
| 137 | } |
| 138 | |
| 139 | @Deactivate |
| 140 | public void deactivate() { |
Yuta HIGUCHI | 63323fd | 2014-11-11 12:16:58 -0800 | [diff] [blame] | 141 | backgroundService.shutdown(); |
| 142 | |
tom | f80c972 | 2014-09-24 14:49:18 -0700 | [diff] [blame] | 143 | store.unsetDelegate(delegate); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 144 | mastershipService.removeListener(mastershipListener); |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 145 | eventDispatcher.removeSink(DeviceEvent.class); |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 146 | log.info("Stopped"); |
| 147 | } |
| 148 | |
| 149 | @Override |
tom | ad2d209 | 2014-09-06 23:24:20 -0700 | [diff] [blame] | 150 | public int getDeviceCount() { |
| 151 | return store.getDeviceCount(); |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 152 | } |
| 153 | |
| 154 | @Override |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 155 | public Iterable<Device> getDevices() { |
tom | e5ec3fd | 2014-09-04 15:18:06 -0700 | [diff] [blame] | 156 | return store.getDevices(); |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 157 | } |
| 158 | |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 159 | @Override |
Yuta HIGUCHI | f1f2ac0 | 2014-11-26 14:02:22 -0800 | [diff] [blame] | 160 | public Iterable<Device> getAvailableDevices() { |
| 161 | return store.getAvailableDevices(); |
| 162 | } |
| 163 | |
| 164 | @Override |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 165 | public Device getDevice(DeviceId deviceId) { |
| 166 | checkNotNull(deviceId, DEVICE_ID_NULL); |
tom | 132b58a | 2014-08-28 16:11:28 -0700 | [diff] [blame] | 167 | return store.getDevice(deviceId); |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | @Override |
tom | ad2d209 | 2014-09-06 23:24:20 -0700 | [diff] [blame] | 171 | public MastershipRole getRole(DeviceId deviceId) { |
| 172 | checkNotNull(deviceId, DEVICE_ID_NULL); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 173 | return mastershipService.getLocalRole(deviceId); |
tom | ad2d209 | 2014-09-06 23:24:20 -0700 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | @Override |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 177 | public List<Port> getPorts(DeviceId deviceId) { |
| 178 | checkNotNull(deviceId, DEVICE_ID_NULL); |
tom | 132b58a | 2014-08-28 16:11:28 -0700 | [diff] [blame] | 179 | return store.getPorts(deviceId); |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | @Override |
sangho | 538108b | 2015-04-08 14:29:20 -0700 | [diff] [blame] | 183 | public List<PortStatistics> getPortStatistics(DeviceId deviceId) { |
| 184 | checkNotNull(deviceId, DEVICE_ID_NULL); |
| 185 | return store.getPortStatistics(deviceId); |
| 186 | } |
| 187 | |
| 188 | @Override |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 189 | public Port getPort(DeviceId deviceId, PortNumber portNumber) { |
| 190 | checkNotNull(deviceId, DEVICE_ID_NULL); |
| 191 | checkNotNull(portNumber, PORT_NUMBER_NULL); |
tom | 132b58a | 2014-08-28 16:11:28 -0700 | [diff] [blame] | 192 | return store.getPort(deviceId, portNumber); |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 193 | } |
| 194 | |
| 195 | @Override |
tom | ff7eb7c | 2014-09-08 12:49:03 -0700 | [diff] [blame] | 196 | public boolean isAvailable(DeviceId deviceId) { |
| 197 | checkNotNull(deviceId, DEVICE_ID_NULL); |
| 198 | return store.isAvailable(deviceId); |
| 199 | } |
| 200 | |
Ayaka Koshibe | e60d452 | 2014-10-28 15:07:00 -0700 | [diff] [blame] | 201 | // Check a device for control channel connectivity. |
Yuta HIGUCHI | 5481532 | 2014-10-31 23:17:08 -0700 | [diff] [blame] | 202 | private boolean isReachable(DeviceId deviceId) { |
Ayaka Koshibe | 78bcbc1 | 2014-11-19 14:28:58 -0800 | [diff] [blame] | 203 | if (deviceId == null) { |
| 204 | return false; |
| 205 | } |
Yuta HIGUCHI | 5481532 | 2014-10-31 23:17:08 -0700 | [diff] [blame] | 206 | DeviceProvider provider = getProvider(deviceId); |
| 207 | if (provider != null) { |
| 208 | return provider.isReachable(deviceId); |
| 209 | } else { |
Yuta HIGUCHI | 72669c4 | 2014-11-13 14:48:17 -0800 | [diff] [blame] | 210 | log.debug("Provider not found for {}", deviceId); |
Ayaka Koshibe | e60d452 | 2014-10-28 15:07:00 -0700 | [diff] [blame] | 211 | return false; |
| 212 | } |
Ayaka Koshibe | e8708e3 | 2014-10-22 13:40:18 -0700 | [diff] [blame] | 213 | } |
| 214 | |
tom | e5ec3fd | 2014-09-04 15:18:06 -0700 | [diff] [blame] | 215 | @Override |
| 216 | public void removeDevice(DeviceId deviceId) { |
| 217 | checkNotNull(deviceId, DEVICE_ID_NULL); |
| 218 | DeviceEvent event = store.removeDevice(deviceId); |
tom | 0efbb1d | 2014-09-09 11:54:28 -0700 | [diff] [blame] | 219 | if (event != null) { |
| 220 | log.info("Device {} administratively removed", deviceId); |
| 221 | post(event); |
| 222 | } |
tom | e5ec3fd | 2014-09-04 15:18:06 -0700 | [diff] [blame] | 223 | } |
| 224 | |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 225 | @Override |
| 226 | public void addListener(DeviceListener listener) { |
| 227 | listenerRegistry.addListener(listener); |
| 228 | } |
| 229 | |
| 230 | @Override |
| 231 | public void removeListener(DeviceListener listener) { |
| 232 | listenerRegistry.removeListener(listener); |
| 233 | } |
| 234 | |
| 235 | @Override |
alshabib | b7b4063 | 2014-09-28 21:30:00 -0700 | [diff] [blame] | 236 | protected DeviceProviderService createProviderService( |
| 237 | DeviceProvider provider) { |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 238 | return new InternalDeviceProviderService(provider); |
| 239 | } |
| 240 | |
Yuta HIGUCHI | 63323fd | 2014-11-11 12:16:58 -0800 | [diff] [blame] | 241 | /** |
| 242 | * Checks if all the reachable devices have a valid mastership role. |
| 243 | */ |
| 244 | private void mastershipCheck() { |
| 245 | log.debug("Checking mastership"); |
| 246 | for (Device device : getDevices()) { |
| 247 | final DeviceId deviceId = device.id(); |
Jonathan Hart | 2f66936 | 2015-02-11 16:19:20 -0800 | [diff] [blame] | 248 | log.trace("Checking device {}", deviceId); |
Yuta HIGUCHI | 63323fd | 2014-11-11 12:16:58 -0800 | [diff] [blame] | 249 | |
| 250 | if (!isReachable(deviceId)) { |
| 251 | continue; |
| 252 | } |
| 253 | |
| 254 | if (mastershipService.getLocalRole(deviceId) != NONE) { |
| 255 | continue; |
| 256 | } |
| 257 | |
| 258 | log.info("{} is reachable but did not have a valid role, reasserting", deviceId); |
| 259 | |
| 260 | // isReachable but was not MASTER or STANDBY, get a role and apply |
| 261 | // Note: NONE triggers request to MastershipService |
| 262 | reassertRole(deviceId, NONE); |
| 263 | } |
| 264 | } |
| 265 | |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 266 | // Personalized device provider service issued to the supplied provider. |
tom | dc361b6 | 2014-09-09 20:36:52 -0700 | [diff] [blame] | 267 | private class InternalDeviceProviderService |
Thomas Vachuska | d16ce18 | 2014-10-29 17:25:29 -0700 | [diff] [blame] | 268 | extends AbstractProviderService<DeviceProvider> |
| 269 | implements DeviceProviderService { |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 270 | |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 271 | InternalDeviceProviderService(DeviceProvider provider) { |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 272 | super(provider); |
| 273 | } |
| 274 | |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 275 | /** |
| 276 | * Apply role in reaction to provider event. |
| 277 | * |
| 278 | * @param deviceId device identifier |
| 279 | * @param newRole new role to apply to the device |
| 280 | * @return true if the request was sent to provider |
| 281 | */ |
| 282 | private boolean applyRole(DeviceId deviceId, MastershipRole newRole) { |
| 283 | |
| 284 | if (newRole.equals(MastershipRole.NONE)) { |
| 285 | //no-op |
| 286 | return true; |
| 287 | } |
| 288 | |
| 289 | DeviceProvider provider = provider(); |
| 290 | if (provider == null) { |
| 291 | log.warn("Provider for {} was not found. Cannot apply role {}", deviceId, newRole); |
| 292 | return false; |
| 293 | } |
Yuta HIGUCHI | 5481532 | 2014-10-31 23:17:08 -0700 | [diff] [blame] | 294 | provider.roleChanged(deviceId, newRole); |
| 295 | // not triggering probe when triggered by provider service event |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 296 | |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 297 | return true; |
| 298 | } |
| 299 | |
| 300 | |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 301 | @Override |
alshabib | b7b4063 | 2014-09-28 21:30:00 -0700 | [diff] [blame] | 302 | public void deviceConnected(DeviceId deviceId, |
Thomas Vachuska | d16ce18 | 2014-10-29 17:25:29 -0700 | [diff] [blame] | 303 | DeviceDescription deviceDescription) { |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 304 | checkNotNull(deviceId, DEVICE_ID_NULL); |
| 305 | checkNotNull(deviceDescription, DEVICE_DESCRIPTION_NULL); |
tom | eadbb46 | 2014-09-07 16:10:19 -0700 | [diff] [blame] | 306 | checkValidity(); |
Yuta HIGUCHI | 24b2e2a | 2014-10-07 15:53:57 -0700 | [diff] [blame] | 307 | |
| 308 | log.info("Device {} connected", deviceId); |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 309 | // check my Role |
| 310 | mastershipService.requestRoleFor(deviceId); |
| 311 | final MastershipTerm term = termService.getMastershipTerm(deviceId); |
Madan Jampani | de003d9 | 2015-05-11 17:14:20 -0700 | [diff] [blame] | 312 | if (term == null || !localNodeId.equals(term.master())) { |
Yuta HIGUCHI | 2d3cd31 | 2014-10-31 11:38:04 -0700 | [diff] [blame] | 313 | log.info("Role of this node is STANDBY for {}", deviceId); |
| 314 | // TODO: Do we need to explicitly tell the Provider that |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 315 | // this instance is not the MASTER |
| 316 | applyRole(deviceId, MastershipRole.STANDBY); |
Marc De Leenheer | b473b9d | 2015-02-06 15:21:03 -0800 | [diff] [blame] | 317 | } else { |
| 318 | log.info("Role of this node is MASTER for {}", deviceId); |
| 319 | // tell clock provider if this instance is the master |
| 320 | deviceClockProviderService.setMastershipTerm(deviceId, term); |
| 321 | applyRole(deviceId, MastershipRole.MASTER); |
Yuta HIGUCHI | 24b2e2a | 2014-10-07 15:53:57 -0700 | [diff] [blame] | 322 | } |
Yuta HIGUCHI | 24b2e2a | 2014-10-07 15:53:57 -0700 | [diff] [blame] | 323 | |
tom | e5ec3fd | 2014-09-04 15:18:06 -0700 | [diff] [blame] | 324 | DeviceEvent event = store.createOrUpdateDevice(provider().id(), |
Thomas Vachuska | d16ce18 | 2014-10-29 17:25:29 -0700 | [diff] [blame] | 325 | deviceId, deviceDescription); |
tom | 80c0e5e | 2014-09-08 18:08:58 -0700 | [diff] [blame] | 326 | |
Yuta HIGUCHI | 24b2e2a | 2014-10-07 15:53:57 -0700 | [diff] [blame] | 327 | // If there was a change of any kind, tell the provider |
Yuta HIGUCHI | cf60390 | 2014-10-07 23:04:32 -0700 | [diff] [blame] | 328 | // that this instance is the master. |
tom | 80c0e5e | 2014-09-08 18:08:58 -0700 | [diff] [blame] | 329 | if (event != null) { |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 330 | log.trace("event: {} {}", event.type(), event); |
tom | 568581d | 2014-09-08 20:13:36 -0700 | [diff] [blame] | 331 | post(event); |
tom | 80c0e5e | 2014-09-08 18:08:58 -0700 | [diff] [blame] | 332 | } |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | @Override |
| 336 | public void deviceDisconnected(DeviceId deviceId) { |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 337 | checkNotNull(deviceId, DEVICE_ID_NULL); |
tom | eadbb46 | 2014-09-07 16:10:19 -0700 | [diff] [blame] | 338 | checkValidity(); |
Yuta HIGUCHI | cf60390 | 2014-10-07 23:04:32 -0700 | [diff] [blame] | 339 | |
Yuta HIGUCHI | 2d3cd31 | 2014-10-31 11:38:04 -0700 | [diff] [blame] | 340 | log.info("Device {} disconnected from this node", deviceId); |
Ayaka Koshibe | d9f693e | 2014-09-29 18:04:54 -0700 | [diff] [blame] | 341 | |
alshabib | afc514a | 2014-12-01 14:44:05 -0800 | [diff] [blame] | 342 | List<Port> ports = store.getPorts(deviceId); |
| 343 | List<PortDescription> descs = Lists.newArrayList(); |
| 344 | ports.forEach(port -> |
| 345 | descs.add(new DefaultPortDescription(port.number(), |
| 346 | false, port.type(), |
| 347 | port.portSpeed()))); |
| 348 | store.updatePorts(this.provider().id(), deviceId, descs); |
Ayaka Koshibe | b5c63a0 | 2014-10-18 18:42:27 -0700 | [diff] [blame] | 349 | try { |
Madan Jampani | de003d9 | 2015-05-11 17:14:20 -0700 | [diff] [blame] | 350 | post(store.markOffline(deviceId)); |
Ayaka Koshibe | b5c63a0 | 2014-10-18 18:42:27 -0700 | [diff] [blame] | 351 | } catch (IllegalStateException e) { |
Yuta HIGUCHI | eb24e9d | 2014-10-26 19:34:20 -0700 | [diff] [blame] | 352 | log.warn("Failed to mark {} offline", deviceId); |
| 353 | // only the MASTER should be marking off-line in normal cases, |
| 354 | // but if I was the last STANDBY connection, etc. and no one else |
| 355 | // was there to mark the device offline, this instance may need to |
| 356 | // temporarily request for Master Role and mark offline. |
| 357 | |
Ayaka Koshibe | b5c63a0 | 2014-10-18 18:42:27 -0700 | [diff] [blame] | 358 | //there are times when this node will correctly have mastership, BUT |
| 359 | //that isn't reflected in the ClockManager before the device disconnects. |
| 360 | //we want to let go of the device anyways, so make sure this happens. |
Yuta HIGUCHI | 0722fb2 | 2014-10-19 01:16:33 -0700 | [diff] [blame] | 361 | |
Yuta HIGUCHI | eb24e9d | 2014-10-26 19:34:20 -0700 | [diff] [blame] | 362 | // FIXME: Store semantics leaking out as IllegalStateException. |
| 363 | // Consider revising store API to handle this scenario. |
Madan Jampani | de003d9 | 2015-05-11 17:14:20 -0700 | [diff] [blame] | 364 | CompletableFuture<MastershipRole> roleFuture = mastershipService.requestRoleFor(deviceId); |
| 365 | roleFuture.whenComplete((role, error) -> { |
| 366 | MastershipTerm term = termService.getMastershipTerm(deviceId); |
| 367 | // TODO: Move this type of check inside device clock manager, etc. |
| 368 | if (term != null && localNodeId.equals(term.master())) { |
| 369 | log.info("Retry marking {} offline", deviceId); |
| 370 | deviceClockProviderService.setMastershipTerm(deviceId, term); |
| 371 | post(store.markOffline(deviceId)); |
| 372 | } else { |
| 373 | log.info("Failed again marking {} offline. {}", deviceId, role); |
| 374 | } |
| 375 | }); |
Ayaka Koshibe | b5c63a0 | 2014-10-18 18:42:27 -0700 | [diff] [blame] | 376 | } finally { |
| 377 | //relinquish master role and ability to be backup. |
| 378 | mastershipService.relinquishMastership(deviceId); |
tom | 0efbb1d | 2014-09-09 11:54:28 -0700 | [diff] [blame] | 379 | } |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 380 | } |
| 381 | |
| 382 | @Override |
alshabib | b7b4063 | 2014-09-28 21:30:00 -0700 | [diff] [blame] | 383 | public void updatePorts(DeviceId deviceId, |
Thomas Vachuska | d16ce18 | 2014-10-29 17:25:29 -0700 | [diff] [blame] | 384 | List<PortDescription> portDescriptions) { |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 385 | checkNotNull(deviceId, DEVICE_ID_NULL); |
alshabib | b7b4063 | 2014-09-28 21:30:00 -0700 | [diff] [blame] | 386 | checkNotNull(portDescriptions, |
Thomas Vachuska | d16ce18 | 2014-10-29 17:25:29 -0700 | [diff] [blame] | 387 | "Port descriptions list cannot be null"); |
tom | eadbb46 | 2014-09-07 16:10:19 -0700 | [diff] [blame] | 388 | checkValidity(); |
Yuta HIGUCHI | 13c0b87 | 2014-10-30 18:09:22 -0700 | [diff] [blame] | 389 | if (!deviceClockProviderService.isTimestampAvailable(deviceId)) { |
| 390 | // Never been a master for this device |
| 391 | // any update will be ignored. |
| 392 | log.trace("Ignoring {} port updates on standby node. {}", deviceId, portDescriptions); |
| 393 | return; |
| 394 | } |
| 395 | |
Yuta HIGUCHI | 5f6739c | 2014-10-01 14:04:01 -0700 | [diff] [blame] | 396 | List<DeviceEvent> events = store.updatePorts(this.provider().id(), |
Thomas Vachuska | d16ce18 | 2014-10-29 17:25:29 -0700 | [diff] [blame] | 397 | deviceId, portDescriptions); |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 398 | for (DeviceEvent event : events) { |
| 399 | post(event); |
| 400 | } |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 401 | } |
| 402 | |
| 403 | @Override |
alshabib | b7b4063 | 2014-09-28 21:30:00 -0700 | [diff] [blame] | 404 | public void portStatusChanged(DeviceId deviceId, |
Thomas Vachuska | d16ce18 | 2014-10-29 17:25:29 -0700 | [diff] [blame] | 405 | PortDescription portDescription) { |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 406 | checkNotNull(deviceId, DEVICE_ID_NULL); |
| 407 | checkNotNull(portDescription, PORT_DESCRIPTION_NULL); |
tom | eadbb46 | 2014-09-07 16:10:19 -0700 | [diff] [blame] | 408 | checkValidity(); |
Ayaka Koshibe | b5c63a0 | 2014-10-18 18:42:27 -0700 | [diff] [blame] | 409 | |
Yuta HIGUCHI | 13c0b87 | 2014-10-30 18:09:22 -0700 | [diff] [blame] | 410 | if (!deviceClockProviderService.isTimestampAvailable(deviceId)) { |
| 411 | // Never been a master for this device |
| 412 | // any update will be ignored. |
| 413 | log.trace("Ignoring {} port update on standby node. {}", deviceId, portDescription); |
| 414 | return; |
| 415 | } |
| 416 | |
Yuta HIGUCHI | eb24e9d | 2014-10-26 19:34:20 -0700 | [diff] [blame] | 417 | final DeviceEvent event = store.updatePortStatus(this.provider().id(), |
Thomas Vachuska | d16ce18 | 2014-10-29 17:25:29 -0700 | [diff] [blame] | 418 | deviceId, portDescription); |
tom | ff7eb7c | 2014-09-08 12:49:03 -0700 | [diff] [blame] | 419 | if (event != null) { |
alshabib | b7b4063 | 2014-09-28 21:30:00 -0700 | [diff] [blame] | 420 | log.info("Device {} port {} status changed", deviceId, event |
| 421 | .port().number()); |
tom | 0efbb1d | 2014-09-09 11:54:28 -0700 | [diff] [blame] | 422 | post(event); |
tom | ff7eb7c | 2014-09-08 12:49:03 -0700 | [diff] [blame] | 423 | } |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 424 | } |
tom | 3f2bbd7 | 2014-09-24 12:07:58 -0700 | [diff] [blame] | 425 | |
| 426 | @Override |
Thomas Vachuska | b17c41f | 2015-05-19 11:16:05 -0700 | [diff] [blame] | 427 | public void receivedRoleReply(DeviceId deviceId, MastershipRole requested, |
| 428 | MastershipRole response) { |
Ayaka Koshibe | 3ef2b0d | 2014-10-31 13:58:27 -0700 | [diff] [blame] | 429 | // Several things can happen here: |
| 430 | // 1. request and response match |
| 431 | // 2. request and response don't match |
| 432 | // 3. MastershipRole and requested match (and 1 or 2 are true) |
| 433 | // 4. MastershipRole and requested don't match (and 1 or 2 are true) |
| 434 | // |
| 435 | // 2, 4, and 3 with case 2 are failure modes. |
| 436 | |
tom | 3f2bbd7 | 2014-09-24 12:07:58 -0700 | [diff] [blame] | 437 | // FIXME: implement response to this notification |
Ayaka Koshibe | 3ef2b0d | 2014-10-31 13:58:27 -0700 | [diff] [blame] | 438 | |
| 439 | log.info("got reply to a role request for {}: asked for {}, and got {}", |
Thomas Vachuska | b17c41f | 2015-05-19 11:16:05 -0700 | [diff] [blame] | 440 | deviceId, requested, response); |
Ayaka Koshibe | 3ef2b0d | 2014-10-31 13:58:27 -0700 | [diff] [blame] | 441 | |
| 442 | if (requested == null && response == null) { |
| 443 | // something was off with DeviceProvider, maybe check channel too? |
| 444 | log.warn("Failed to assert role [{}] onto Device {}", requested, deviceId); |
Yuta HIGUCHI | cf60390 | 2014-10-07 23:04:32 -0700 | [diff] [blame] | 445 | mastershipService.relinquishMastership(deviceId); |
Ayaka Koshibe | 3ef2b0d | 2014-10-31 13:58:27 -0700 | [diff] [blame] | 446 | return; |
Yuta HIGUCHI | cf60390 | 2014-10-07 23:04:32 -0700 | [diff] [blame] | 447 | } |
Ayaka Koshibe | 3ef2b0d | 2014-10-31 13:58:27 -0700 | [diff] [blame] | 448 | |
Thomas Vachuska | b17c41f | 2015-05-19 11:16:05 -0700 | [diff] [blame] | 449 | if (Objects.equals(requested, response)) { |
| 450 | if (Objects.equals(requested, mastershipService.getLocalRole(deviceId))) { |
Ayaka Koshibe | 3ef2b0d | 2014-10-31 13:58:27 -0700 | [diff] [blame] | 451 | return; |
| 452 | } else { |
| 453 | return; |
| 454 | // FIXME roleManager got the device to comply, but doesn't agree with |
| 455 | // the store; use the store's view, then try to reassert. |
| 456 | } |
| 457 | } else { |
| 458 | // we didn't get back what we asked for. Reelect someone else. |
| 459 | log.warn("Failed to assert role [{}] onto Device {}", response, deviceId); |
| 460 | if (response == MastershipRole.MASTER) { |
| 461 | mastershipService.relinquishMastership(deviceId); |
| 462 | // TODO: Shouldn't we be triggering event? |
| 463 | //final Device device = getDevice(deviceId); |
| 464 | //post(new DeviceEvent(DEVICE_MASTERSHIP_CHANGED, device)); |
| 465 | } |
| 466 | } |
tom | 3f2bbd7 | 2014-09-24 12:07:58 -0700 | [diff] [blame] | 467 | } |
sangho | 538108b | 2015-04-08 14:29:20 -0700 | [diff] [blame] | 468 | |
| 469 | @Override |
| 470 | public void updatePortStatistics(DeviceId deviceId, Collection<PortStatistics> portStatistics) { |
| 471 | checkNotNull(deviceId, DEVICE_ID_NULL); |
Thomas Vachuska | b17c41f | 2015-05-19 11:16:05 -0700 | [diff] [blame] | 472 | checkNotNull(portStatistics, "Port statistics list cannot be null"); |
sangho | 538108b | 2015-04-08 14:29:20 -0700 | [diff] [blame] | 473 | checkValidity(); |
| 474 | |
| 475 | DeviceEvent event = store.updatePortStatistics(this.provider().id(), |
Thomas Vachuska | b17c41f | 2015-05-19 11:16:05 -0700 | [diff] [blame] | 476 | deviceId, portStatistics); |
sangho | 538108b | 2015-04-08 14:29:20 -0700 | [diff] [blame] | 477 | post(event); |
| 478 | } |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 479 | } |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 480 | |
tom | eadbb46 | 2014-09-07 16:10:19 -0700 | [diff] [blame] | 481 | // Posts the specified event to the local event dispatcher. |
tom | 32f6684 | 2014-08-27 19:27:47 -0700 | [diff] [blame] | 482 | private void post(DeviceEvent event) { |
| 483 | if (event != null && eventDispatcher != null) { |
| 484 | eventDispatcher.post(event); |
| 485 | } |
| 486 | } |
| 487 | |
Yuta HIGUCHI | 63323fd | 2014-11-11 12:16:58 -0800 | [diff] [blame] | 488 | // Applies the specified role to the device; ignores NONE |
| 489 | /** |
| 490 | * Apply role to device and send probe if MASTER. |
| 491 | * |
| 492 | * @param deviceId device identifier |
| 493 | * @param newRole new role to apply to the device |
| 494 | * @return true if the request was sent to provider |
| 495 | */ |
| 496 | private boolean applyRoleAndProbe(DeviceId deviceId, MastershipRole newRole) { |
| 497 | if (newRole.equals(MastershipRole.NONE)) { |
| 498 | //no-op |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 499 | return true; |
| 500 | } |
Ayaka Koshibe | 317245a | 2014-10-29 00:34:43 -0700 | [diff] [blame] | 501 | |
Ayaka Koshibe | 78bcbc1 | 2014-11-19 14:28:58 -0800 | [diff] [blame] | 502 | DeviceProvider provider = getProvider(deviceId); |
Yuta HIGUCHI | 63323fd | 2014-11-11 12:16:58 -0800 | [diff] [blame] | 503 | if (provider == null) { |
| 504 | log.warn("Provider for {} was not found. Cannot apply role {}", deviceId, newRole); |
| 505 | return false; |
| 506 | } |
| 507 | provider.roleChanged(deviceId, newRole); |
| 508 | |
| 509 | if (newRole.equals(MastershipRole.MASTER)) { |
| 510 | // only trigger event when request was sent to provider |
Ayaka Koshibe | 78bcbc1 | 2014-11-19 14:28:58 -0800 | [diff] [blame] | 511 | provider.triggerProbe(deviceId); |
Yuta HIGUCHI | 63323fd | 2014-11-11 12:16:58 -0800 | [diff] [blame] | 512 | } |
| 513 | return true; |
| 514 | } |
| 515 | |
| 516 | /** |
| 517 | * Reaasert role for specified device connected to this node. |
| 518 | * |
| 519 | * @param did device identifier |
| 520 | * @param nextRole role to apply. If NONE is specified, |
| 521 | * it will ask mastership service for a role and apply it. |
| 522 | */ |
| 523 | private void reassertRole(final DeviceId did, |
| 524 | final MastershipRole nextRole) { |
| 525 | |
Yuta HIGUCHI | 63323fd | 2014-11-11 12:16:58 -0800 | [diff] [blame] | 526 | MastershipRole myNextRole = nextRole; |
| 527 | if (myNextRole == NONE) { |
| 528 | mastershipService.requestRoleFor(did); |
| 529 | MastershipTerm term = termService.getMastershipTerm(did); |
Madan Jampani | de003d9 | 2015-05-11 17:14:20 -0700 | [diff] [blame] | 530 | if (term != null && localNodeId.equals(term.master())) { |
Yuta HIGUCHI | 63323fd | 2014-11-11 12:16:58 -0800 | [diff] [blame] | 531 | myNextRole = MASTER; |
| 532 | } else { |
| 533 | myNextRole = STANDBY; |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | switch (myNextRole) { |
| 538 | case MASTER: |
| 539 | final Device device = getDevice(did); |
| 540 | if ((device != null) && !isAvailable(did)) { |
| 541 | //flag the device as online. Is there a better way to do this? |
| 542 | DefaultDeviceDescription deviceDescription |
| 543 | = new DefaultDeviceDescription(did.uri(), |
| 544 | device.type(), |
| 545 | device.manufacturer(), |
| 546 | device.hwVersion(), |
| 547 | device.swVersion(), |
| 548 | device.serialNumber(), |
| 549 | device.chassisId()); |
| 550 | DeviceEvent devEvent = |
| 551 | store.createOrUpdateDevice(device.providerId(), did, |
| 552 | deviceDescription); |
| 553 | post(devEvent); |
| 554 | } |
| 555 | // TODO: should apply role only if there is mismatch |
| 556 | log.info("Applying role {} to {}", myNextRole, did); |
| 557 | if (!applyRoleAndProbe(did, MASTER)) { |
| 558 | // immediately failed to apply role |
| 559 | mastershipService.relinquishMastership(did); |
| 560 | // FIXME disconnect? |
| 561 | } |
| 562 | break; |
| 563 | case STANDBY: |
| 564 | log.info("Applying role {} to {}", myNextRole, did); |
| 565 | if (!applyRoleAndProbe(did, STANDBY)) { |
| 566 | // immediately failed to apply role |
| 567 | mastershipService.relinquishMastership(did); |
| 568 | // FIXME disconnect? |
| 569 | } |
| 570 | break; |
| 571 | case NONE: |
| 572 | default: |
| 573 | // should never reach here |
| 574 | log.error("You didn't see anything. I did not exist."); |
| 575 | break; |
| 576 | } |
| 577 | } |
| 578 | |
| 579 | // Intercepts mastership events |
| 580 | private class InternalMastershipListener implements MastershipListener { |
| 581 | |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 582 | @Override |
| 583 | public void event(MastershipEvent event) { |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 584 | if (event.type() != MastershipEvent.Type.MASTER_CHANGED) { |
| 585 | // Don't care if backup list changed. |
| 586 | return; |
| 587 | } |
| 588 | |
Ayaka Koshibe | 4c89127 | 2014-10-08 17:14:16 -0700 | [diff] [blame] | 589 | final DeviceId did = event.subject(); |
Yuta HIGUCHI | 24b2e2a | 2014-10-07 15:53:57 -0700 | [diff] [blame] | 590 | |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 591 | // myRole suggested by MastershipService |
| 592 | MastershipRole myNextRole; |
Madan Jampani | de003d9 | 2015-05-11 17:14:20 -0700 | [diff] [blame] | 593 | if (localNodeId.equals(event.roleInfo().master())) { |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 594 | // confirm latest info |
Ayaka Koshibe | ea5b4ce | 2014-10-11 14:17:17 -0700 | [diff] [blame] | 595 | MastershipTerm term = termService.getMastershipTerm(did); |
Madan Jampani | de003d9 | 2015-05-11 17:14:20 -0700 | [diff] [blame] | 596 | final boolean iHaveControl = term != null && localNodeId.equals(term.master()); |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 597 | if (iHaveControl) { |
Yuta HIGUCHI | 38b4d9d | 2014-10-30 11:32:41 -0700 | [diff] [blame] | 598 | deviceClockProviderService.setMastershipTerm(did, term); |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 599 | myNextRole = MASTER; |
Yuta HIGUCHI | 38b4d9d | 2014-10-30 11:32:41 -0700 | [diff] [blame] | 600 | } else { |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 601 | myNextRole = STANDBY; |
| 602 | } |
Madan Jampani | de003d9 | 2015-05-11 17:14:20 -0700 | [diff] [blame] | 603 | } else if (event.roleInfo().backups().contains(localNodeId)) { |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 604 | myNextRole = STANDBY; |
| 605 | } else { |
| 606 | myNextRole = NONE; |
| 607 | } |
| 608 | |
| 609 | |
Yuta HIGUCHI | 5481532 | 2014-10-31 23:17:08 -0700 | [diff] [blame] | 610 | final boolean isReachable = isReachable(did); |
Yuta HIGUCHI | d26354d | 2014-10-31 14:14:38 -0700 | [diff] [blame] | 611 | if (!isReachable) { |
| 612 | // device is not connected to this node |
| 613 | if (myNextRole != NONE) { |
| 614 | log.warn("Node was instructed to be {} role for {}, " |
| 615 | + "but this node cannot reach the device. " |
| 616 | + "Relinquishing role. ", |
| 617 | myNextRole, did); |
| 618 | mastershipService.relinquishMastership(did); |
| 619 | } |
| 620 | return; |
| 621 | } |
| 622 | |
| 623 | // device is connected to this node: |
alshabib | fd3cc05 | 2015-02-10 15:16:57 -0800 | [diff] [blame] | 624 | if (store.getDevice(did) != null) { |
| 625 | reassertRole(did, myNextRole); |
| 626 | } else { |
Thomas Vachuska | 3358af2 | 2015-05-19 18:40:34 -0700 | [diff] [blame^] | 627 | log.debug("Device is not yet/no longer in the store: {}", did); |
alshabib | fd3cc05 | 2015-02-10 15:16:57 -0800 | [diff] [blame] | 628 | } |
Ayaka Koshibe | 317245a | 2014-10-29 00:34:43 -0700 | [diff] [blame] | 629 | } |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 630 | } |
tom | f80c972 | 2014-09-24 14:49:18 -0700 | [diff] [blame] | 631 | |
| 632 | // Store delegate to re-post events emitted from the store. |
Thomas Vachuska | b17c41f | 2015-05-19 11:16:05 -0700 | [diff] [blame] | 633 | private class InternalStoreDelegate implements DeviceStoreDelegate { |
tom | f80c972 | 2014-09-24 14:49:18 -0700 | [diff] [blame] | 634 | @Override |
| 635 | public void notify(DeviceEvent event) { |
| 636 | post(event); |
| 637 | } |
| 638 | } |
tom | d3097b0 | 2014-08-26 10:40:29 -0700 | [diff] [blame] | 639 | } |