| /* |
| * Copyright 2017-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.provider.general.device.impl; |
| |
| import com.google.common.annotations.Beta; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Maps; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.onlab.packet.ChassisId; |
| import org.onlab.util.ItemNotFoundException; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.AnnotationKeys; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.MastershipRole; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.SparseAnnotations; |
| import org.onosproject.net.behaviour.PortAdmin; |
| import org.onosproject.net.config.ConfigFactory; |
| import org.onosproject.net.config.NetworkConfigEvent; |
| import org.onosproject.net.config.NetworkConfigListener; |
| import org.onosproject.net.config.NetworkConfigRegistry; |
| import org.onosproject.net.config.basics.BasicDeviceConfig; |
| import org.onosproject.net.config.basics.SubjectFactories; |
| import org.onosproject.net.device.DefaultDeviceDescription; |
| import org.onosproject.net.device.DeviceDescription; |
| import org.onosproject.net.device.DeviceDescriptionDiscovery; |
| import org.onosproject.net.device.DeviceEvent; |
| import org.onosproject.net.device.DeviceHandshaker; |
| import org.onosproject.net.device.DeviceListener; |
| import org.onosproject.net.device.DeviceProvider; |
| import org.onosproject.net.device.DeviceProviderRegistry; |
| import org.onosproject.net.device.DeviceProviderService; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.device.PortDescription; |
| import org.onosproject.net.device.PortStatistics; |
| import org.onosproject.net.device.PortStatisticsDiscovery; |
| import org.onosproject.net.driver.Behaviour; |
| import org.onosproject.net.driver.DefaultDriverData; |
| import org.onosproject.net.driver.DefaultDriverHandler; |
| import org.onosproject.net.driver.Driver; |
| import org.onosproject.net.driver.DriverData; |
| import org.onosproject.net.driver.DriverService; |
| import org.onosproject.net.pi.model.PiPipeconf; |
| import org.onosproject.net.pi.model.PiPipeconfId; |
| import org.onosproject.net.pi.model.PiPipelineProgrammable; |
| import org.onosproject.net.pi.runtime.PiPipeconfConfig; |
| import org.onosproject.net.pi.runtime.PiPipeconfService; |
| import org.onosproject.net.provider.AbstractProvider; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.provider.general.device.api.GeneralProviderDeviceConfig; |
| import org.slf4j.Logger; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.ConcurrentMap; |
| import java.util.concurrent.CopyOnWriteArraySet; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| import java.util.concurrent.locks.Lock; |
| import java.util.concurrent.locks.ReentrantLock; |
| |
| import static java.util.concurrent.Executors.newScheduledThreadPool; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.net.device.DeviceEvent.Type; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Provider which uses drivers to detect device and do initial handshake |
| * and channel establishment with devices. Any other provider specific operation |
| * is also delegated to the DeviceHandshaker driver. |
| */ |
| @Beta |
| @Component(immediate = true) |
| public class GeneralDeviceProvider extends AbstractProvider |
| implements DeviceProvider { |
| public static final String DRIVER = "driver"; |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceProviderRegistry providerRegistry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigRegistry cfgService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DriverService driverService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected PiPipeconfService piPipeconfService; |
| |
| protected static final String APP_NAME = "org.onosproject.generaldeviceprovider"; |
| protected static final String URI_SCHEME = "device"; |
| protected static final String CFG_SCHEME = "generalprovider"; |
| private static final String DEVICE_PROVIDER_PACKAGE = "org.onosproject.general.provider.device"; |
| private static final int CORE_POOL_SIZE = 10; |
| private static final String UNKNOWN = "unknown"; |
| private static final int PORT_STATS_PERIOD_SECONDS = 10; |
| //FIXME this will be removed when the configuration is synced at the source. |
| private static final Set<String> PIPELINE_CONFIGURABLE_PROTOCOLS = ImmutableSet.of("p4runtime"); |
| private static final ConcurrentMap<DeviceId, Lock> ENTRY_LOCKS = Maps.newConcurrentMap(); |
| |
| //FIXME to be removed when netcfg will issue device events in a bundle or |
| //ensures all configuration needed is present |
| private Set<DeviceId> deviceConfigured = new CopyOnWriteArraySet<>(); |
| private Set<DeviceId> driverConfigured = new CopyOnWriteArraySet<>(); |
| private Set<DeviceId> pipelineConfigured = new CopyOnWriteArraySet<>(); |
| |
| |
| protected ScheduledExecutorService connectionExecutor |
| = newScheduledThreadPool(CORE_POOL_SIZE, |
| groupedThreads("onos/generaldeviceprovider-device", |
| "connection-executor-%d", log)); |
| protected ScheduledExecutorService portStatsExecutor |
| = newScheduledThreadPool(CORE_POOL_SIZE, |
| groupedThreads("onos/generaldeviceprovider-port-stats", |
| "port-stats-executor-%d", log)); |
| |
| protected DeviceProviderService providerService; |
| private InternalDeviceListener deviceListener = new InternalDeviceListener(); |
| |
| protected final ConfigFactory factory = |
| new ConfigFactory<DeviceId, GeneralProviderDeviceConfig>( |
| SubjectFactories.DEVICE_SUBJECT_FACTORY, |
| GeneralProviderDeviceConfig.class, CFG_SCHEME) { |
| @Override |
| public GeneralProviderDeviceConfig createConfig() { |
| return new GeneralProviderDeviceConfig(); |
| } |
| }; |
| |
| protected final NetworkConfigListener cfgListener = new InternalNetworkConfigListener(); |
| |
| |
| @Activate |
| public void activate() { |
| providerService = providerRegistry.register(this); |
| coreService.registerApplication(APP_NAME); |
| cfgService.registerConfigFactory(factory); |
| cfgService.addListener(cfgListener); |
| deviceService.addListener(deviceListener); |
| //This will fail if ONOS has CFG and drivers which depend on this provider |
| // are activated, failing due to not finding the driver. |
| cfgService.getSubjects(DeviceId.class, GeneralProviderDeviceConfig.class) |
| .forEach(did -> connectionExecutor.execute(() -> connectDevice(did))); |
| log.info("Started"); |
| } |
| |
| |
| @Deactivate |
| public void deactivate() { |
| portStatsExecutor.shutdown(); |
| cfgService.removeListener(cfgListener); |
| //Not Removing the device so they can still be used from other driver providers |
| //cfgService.getSubjects(DeviceId.class, GeneralProviderDeviceConfig.class) |
| // .forEach(did -> connectionExecutor.execute(() -> disconnectDevice(did))); |
| connectionExecutor.shutdown(); |
| deviceService.removeListener(deviceListener); |
| providerRegistry.unregister(this); |
| providerService = null; |
| cfgService.unregisterConfigFactory(factory); |
| log.info("Stopped"); |
| } |
| |
| public GeneralDeviceProvider() { |
| super(new ProviderId(URI_SCHEME, DEVICE_PROVIDER_PACKAGE)); |
| } |
| |
| |
| @Override |
| public void triggerProbe(DeviceId deviceId) { |
| //TODO Really don't see the point of this in non OF Context, |
| // for now testing reachability, can be moved to no-op |
| log.debug("Triggering probe equals testing reachability on device {}", deviceId); |
| isReachable(deviceId); |
| } |
| |
| @Override |
| public void roleChanged(DeviceId deviceId, MastershipRole newRole) { |
| log.debug("Received role {} for device {}", newRole, deviceId); |
| CompletableFuture<MastershipRole> roleReply = getHandshaker(deviceId).roleChanged(newRole); |
| roleReply.thenAcceptAsync(mastership -> providerService.receivedRoleReply(deviceId, newRole, mastership)); |
| } |
| |
| @Override |
| public boolean isReachable(DeviceId deviceId) { |
| log.debug("Testing rechability for device {}", deviceId); |
| CompletableFuture<Boolean> reachable = getHandshaker(deviceId).isReachable(); |
| try { |
| return reachable.get(10, TimeUnit.SECONDS); |
| } catch (InterruptedException | ExecutionException | TimeoutException e) { |
| log.error("Device {} is not reachable", deviceId, e); |
| return false; |
| } |
| } |
| |
| @Override |
| public void changePortState(DeviceId deviceId, PortNumber portNumber, |
| boolean enable) { |
| if (deviceService.getDevice(deviceId).is(PortAdmin.class)) { |
| |
| PortAdmin portAdmin = getPortAdmin(deviceId); |
| CompletableFuture<Boolean> modified; |
| if (enable) { |
| modified = portAdmin.enable(portNumber); |
| } else { |
| modified = portAdmin.disable(portNumber); |
| } |
| modified.thenAcceptAsync(result -> { |
| if (!result) { |
| log.warn("Your device {} port {} status can't be changed to {}", |
| deviceId, portNumber, enable); |
| } |
| }); |
| |
| } else { |
| log.warn("Device {} does not support PortAdmin behaviour", deviceId); |
| } |
| } |
| |
| private DeviceHandshaker getHandshaker(DeviceId deviceId) { |
| Driver driver = getDriver(deviceId); |
| return getBehaviour(driver, DeviceHandshaker.class, |
| new DefaultDriverData(driver, deviceId)); |
| } |
| |
| private PortAdmin getPortAdmin(DeviceId deviceId) { |
| Driver driver = getDriver(deviceId); |
| return getBehaviour(driver, PortAdmin.class, |
| new DefaultDriverData(driver, deviceId)); |
| |
| } |
| |
| private Driver getDriver(DeviceId deviceId) { |
| Driver driver; |
| try { |
| driver = driverService.getDriver(deviceId); |
| } catch (ItemNotFoundException e) { |
| log.debug("Falling back to configuration to fetch driver " + |
| "for device {}", deviceId); |
| driver = driverService.getDriver( |
| cfgService.getConfig(deviceId, BasicDeviceConfig.class).driver()); |
| } |
| return driver; |
| } |
| |
| //needed since the device manager will not return the driver through implementation() |
| // method since the device is not pushed to the core so for the connectDevice |
| // we need to work around that in order to test before calling |
| // store.createOrUpdateDevice |
| private <T extends Behaviour> T getBehaviour(Driver driver, Class<T> type, |
| DriverData data) { |
| if (driver.hasBehaviour(type)) { |
| DefaultDriverHandler handler = new DefaultDriverHandler(data); |
| return driver.createBehaviour(handler, type); |
| } else { |
| return null; |
| } |
| } |
| |
| //Connects a general device |
| private void connectDevice(DeviceId deviceId) { |
| //retrieve the configuration |
| GeneralProviderDeviceConfig providerConfig = |
| cfgService.getConfig(deviceId, GeneralProviderDeviceConfig.class); |
| BasicDeviceConfig basicDeviceConfig = |
| cfgService.getConfig(deviceId, BasicDeviceConfig.class); |
| |
| if (providerConfig == null || basicDeviceConfig == null) { |
| log.error("Configuration is NULL: basic config {}, general provider " + |
| "config {}", basicDeviceConfig, providerConfig); |
| } else { |
| log.info("Connecting to device {} with driver {}", deviceId, basicDeviceConfig.driver()); |
| |
| Driver driver = driverService.getDriver(basicDeviceConfig.driver()); |
| DriverData driverData = new DefaultDriverData(driver, deviceId); |
| |
| DeviceHandshaker handshaker = |
| getBehaviour(driver, DeviceHandshaker.class, driverData); |
| |
| if (handshaker == null) { |
| log.error("Device {}, with driver {} does not support DeviceHandshaker " + |
| "behaviour, {}", deviceId, driver.name(), driver.behaviours()); |
| return; |
| } |
| //Storing deviceKeyId and all other config values |
| // as data in the driver with protocol_<info> |
| // name as the key. e.g protocol_ip |
| providerConfig.protocolsInfo() |
| .forEach((protocol, deviceInfoConfig) -> { |
| deviceInfoConfig.configValues() |
| .forEach((k, v) -> driverData.set(protocol + "_" + k, v)); |
| driverData.set(protocol + "_key", deviceInfoConfig.deviceKeyId()); |
| }); |
| |
| //Connecting to the device |
| CompletableFuture<Boolean> connected = handshaker.connect(); |
| |
| connected.thenAcceptAsync(result -> { |
| if (result) { |
| |
| //Populated with the default values obtained by the driver |
| ChassisId cid = new ChassisId(); |
| SparseAnnotations annotations = DefaultAnnotations.builder() |
| .set(AnnotationKeys.PROTOCOL, |
| providerConfig.protocolsInfo().keySet().toString()) |
| .build(); |
| DeviceDescription description = |
| new DefaultDeviceDescription(deviceId.uri(), Device.Type.SWITCH, |
| driver.manufacturer(), driver.hwVersion(), |
| driver.swVersion(), UNKNOWN, |
| cid, false, annotations); |
| //Empty list of ports |
| List<PortDescription> ports = new ArrayList<>(); |
| |
| if (driver.hasBehaviour(DeviceDescriptionDiscovery.class)) { |
| DeviceDescriptionDiscovery deviceDiscovery = driver |
| .createBehaviour(driverData, DeviceDescriptionDiscovery.class); |
| |
| DeviceDescription newdescription = deviceDiscovery.discoverDeviceDetails(); |
| if (newdescription != null) { |
| description = newdescription; |
| } |
| ports = deviceDiscovery.discoverPortDetails(); |
| } |
| |
| if (!handlePipeconf(deviceId, driver, driverData)) { |
| // Something went wrong during handling of pipeconf. |
| // We already logged the error. |
| handshaker.disconnect(); |
| return; |
| } |
| |
| advertiseDevice(deviceId, description, ports); |
| |
| } else { |
| log.warn("Can't connect to device {}", deviceId); |
| } |
| }); |
| } |
| } |
| |
| /** |
| * Handles the case of a device that is pipeline programmable. Returns true if the operation wa successful and the |
| * device can be registered to the core, false otherwise. |
| */ |
| private boolean handlePipeconf(DeviceId deviceId, Driver driver, DriverData driverData) { |
| |
| PiPipelineProgrammable pipelineProg = getBehaviour(driver, PiPipelineProgrammable.class, |
| driverData); |
| |
| if (pipelineProg == null) { |
| // Device is not pipeline programmable. |
| return true; |
| } |
| |
| PiPipeconfId pipeconfId = piPipeconfService.ofDevice(deviceId).orElseGet(() -> { |
| // No pipeconf has been associated with this device. |
| // Check if device driver provides a default one. |
| if (pipelineProg.getDefaultPipeconf().isPresent()) { |
| PiPipeconf defaultPipeconf = pipelineProg.getDefaultPipeconf().get(); |
| log.info("Using default pipeconf {} for {}", defaultPipeconf.id(), deviceId); |
| // Register default one if it is not. |
| // TODO: this should be performed at driver loading. |
| if (!piPipeconfService.getPipeconf(defaultPipeconf.id()).isPresent()) { |
| piPipeconfService.register(defaultPipeconf); |
| } |
| return defaultPipeconf.id(); |
| } else { |
| return null; |
| } |
| }); |
| |
| if (pipeconfId == null) { |
| log.warn("Device {} is pipeline programmable but no pipeconf can be associated to it.", deviceId); |
| return true; |
| } |
| |
| |
| PiPipeconf pipeconf = piPipeconfService.getPipeconf(pipeconfId).orElseThrow( |
| () -> new IllegalStateException("Pipeconf is not registered: " + pipeconfId) |
| ); |
| |
| |
| try { |
| if (!pipelineProg.deployPipeconf(pipeconf).get()) { |
| log.error("Unable to deploy pipeconf {} to {}, aborting device discovery", pipeconfId, deviceId); |
| return false; |
| } |
| |
| if (!piPipeconfService.bindToDevice(pipeconfId, deviceId).get()) { |
| log.error("Unable to merge driver {} for device {} with pipeconf {}, aborting device discovery", |
| driver.name(), deviceId, pipeconfId); |
| return false; |
| } |
| } catch (InterruptedException | ExecutionException e) { |
| throw new IllegalStateException(e); |
| } |
| |
| return true; |
| } |
| |
| private void advertiseDevice(DeviceId deviceId, DeviceDescription description, List<PortDescription> ports) { |
| providerService.deviceConnected(deviceId, description); |
| providerService.updatePorts(deviceId, ports); |
| } |
| |
| private void disconnectDevice(DeviceId deviceId) { |
| log.info("Disconnecting for device {}", deviceId); |
| DeviceHandshaker handshaker = getHandshaker(deviceId); |
| if (handshaker != null) { |
| CompletableFuture<Boolean> disconnect = handshaker.disconnect(); |
| |
| disconnect.thenAcceptAsync(result -> { |
| if (result) { |
| log.info("Disconnected device {}", deviceId); |
| providerService.deviceDisconnected(deviceId); |
| } else { |
| log.warn("Device {} was unable to disconnect", deviceId); |
| } |
| }); |
| } else { |
| //gracefully ignoring. |
| log.info("No DeviceHandshaker for device {}", deviceId); |
| } |
| } |
| |
| //Needed to catch the exception in the executors since are not rethrown otherwise. |
| private Runnable exceptionSafe(Runnable runnable) { |
| return () -> { |
| try { |
| runnable.run(); |
| } catch (Exception e) { |
| log.error("Unhandled Exception", e); |
| } |
| }; |
| } |
| |
| private void updatePortStatistics(DeviceId deviceId) { |
| Collection<PortStatistics> statistics = deviceService.getDevice(deviceId) |
| .as(PortStatisticsDiscovery.class) |
| .discoverPortStatistics(); |
| providerService.updatePortStatistics(deviceId, statistics); |
| } |
| |
| /** |
| * Listener for configuration events. |
| */ |
| private class InternalNetworkConfigListener implements NetworkConfigListener { |
| |
| |
| @Override |
| public void event(NetworkConfigEvent event) { |
| DeviceId deviceId = (DeviceId) event.subject(); |
| //Assuming that the deviceId comes with uri 'device:' |
| if (!deviceId.uri().getScheme().equals(URI_SCHEME)) { |
| // not under my scheme, skipping |
| log.debug("{} is not my scheme, skipping", deviceId); |
| return; |
| } |
| if (deviceService.getDevice(deviceId) != null || deviceService.isAvailable(deviceId)) { |
| log.info("Device {} is already connected to ONOS and is available", deviceId); |
| return; |
| } |
| //FIXME to be removed when netcfg will issue device events in a bundle or |
| // ensure all configuration needed is present |
| Lock lock = ENTRY_LOCKS.computeIfAbsent(deviceId, key -> new ReentrantLock()); |
| lock.lock(); |
| try { |
| if (event.configClass().equals(GeneralProviderDeviceConfig.class)) { |
| //FIXME we currently assume that p4runtime devices are pipeline configurable. |
| //If we want to connect a p4runtime device with no pipeline |
| if (event.config().isPresent() && |
| Collections.disjoint(ImmutableSet.copyOf(event.config().get().node().fieldNames()), |
| PIPELINE_CONFIGURABLE_PROTOCOLS)) { |
| pipelineConfigured.add(deviceId); |
| } |
| deviceConfigured.add(deviceId); |
| } else if (event.configClass().equals(BasicDeviceConfig.class)) { |
| if (event.config().isPresent() && event.config().get().node().has(DRIVER)) { |
| //TODO add check for pipeline and add it to the pipeline list if no |
| // p4runtime is present. |
| driverConfigured.add(deviceId); |
| } |
| } else if (event.configClass().equals(PiPipeconfConfig.class)) { |
| if (event.config().isPresent() |
| && event.config().get().node().has(PiPipeconfConfig.PIPIPECONFID)) { |
| pipelineConfigured.add(deviceId); |
| } |
| } |
| //if the device has no "pipeline configurable protocol it will be present |
| // in the pipelineConfigured |
| if (deviceConfigured.contains(deviceId) && driverConfigured.contains(deviceId) |
| && pipelineConfigured.contains(deviceId)) { |
| checkAndSubmitDeviceTask(deviceId); |
| } else { |
| if (deviceConfigured.contains(deviceId) && driverConfigured.contains(deviceId)) { |
| log.debug("Waiting for pipeline configuration for device {}", deviceId); |
| } else if (pipelineConfigured.contains(deviceId) && driverConfigured.contains(deviceId)) { |
| log.debug("Waiting for device configuration for device {}", deviceId); |
| } else if (pipelineConfigured.contains(deviceId) && deviceConfigured.contains(deviceId)) { |
| log.debug("Waiting for driver configuration for device {}", deviceId); |
| } else if (driverConfigured.contains(deviceId)) { |
| log.debug("Only driver configuration for device {}", deviceId); |
| } else if (deviceConfigured.contains(deviceId)) { |
| log.debug("Only device configuration for device {}", deviceId); |
| } |
| } |
| } finally { |
| lock.unlock(); |
| } |
| } |
| |
| @Override |
| public boolean isRelevant(NetworkConfigEvent event) { |
| return (event.configClass().equals(GeneralProviderDeviceConfig.class) || |
| event.configClass().equals(BasicDeviceConfig.class) || |
| event.configClass().equals(PiPipeconfConfig.class)) && |
| (event.type() == NetworkConfigEvent.Type.CONFIG_ADDED || |
| event.type() == NetworkConfigEvent.Type.CONFIG_UPDATED); |
| } |
| } |
| |
| private void checkAndSubmitDeviceTask(DeviceId deviceId) { |
| connectionExecutor.submit(exceptionSafe(() -> connectDevice(deviceId))); |
| //FIXME this will be removed when configuration is synced. |
| deviceConfigured.remove(deviceId); |
| driverConfigured.remove(deviceId); |
| pipelineConfigured.remove(deviceId); |
| |
| } |
| |
| /** |
| * Listener for core device events. |
| */ |
| private class InternalDeviceListener implements DeviceListener { |
| @Override |
| public void event(DeviceEvent event) { |
| Type type = event.type(); |
| |
| if (type.equals((Type.DEVICE_ADDED))) { |
| |
| //For now this is scheduled periodically, when streaming API will |
| // be available we check and base it on the streaming API (e.g. gNMI) |
| if (deviceService.getDevice(event.subject().id()). |
| is(PortStatisticsDiscovery.class)) { |
| portStatsExecutor.scheduleAtFixedRate( |
| exceptionSafe(() -> updatePortStatistics(event.subject().id())), |
| 0, PORT_STATS_PERIOD_SECONDS, TimeUnit.SECONDS); |
| updatePortStatistics(event.subject().id()); |
| } |
| |
| } else if (type.equals(Type.DEVICE_REMOVED)) { |
| connectionExecutor.submit(exceptionSafe(() -> |
| disconnectDevice(event.subject().id()))); |
| } |
| } |
| |
| @Override |
| public boolean isRelevant(DeviceEvent event) { |
| return URI_SCHEME.toUpperCase() |
| .equals(event.subject().id().uri().toString()); |
| } |
| } |
| } |