| /* |
| * Copyright 2016-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.net.resource.impl; |
| |
| import com.google.common.annotations.Beta; |
| import com.google.common.collect.ImmutableList; |
| |
| 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.onosproject.mastership.MastershipService; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.config.ConfigFactory; |
| import org.onosproject.net.config.NetworkConfigListener; |
| import org.onosproject.net.config.NetworkConfigRegistry; |
| import org.onosproject.net.device.DeviceListener; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.driver.DriverService; |
| import org.onosproject.net.config.basics.BandwidthCapacity; |
| import org.onosproject.net.resource.ResourceAdminService; |
| import org.onosproject.net.resource.ResourceService; |
| import org.slf4j.Logger; |
| |
| import java.util.List; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.net.config.basics.SubjectFactories.CONNECT_POINT_SUBJECT_FACTORY; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * A class registering resources when they are detected. |
| */ |
| @Component(immediate = true) |
| @Beta |
| public final class ResourceRegistrar { |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ResourceAdminService adminService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ResourceService resourceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DriverService driverService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected MastershipService mastershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigRegistry cfgRegistry; |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private final List<ConfigFactory<?, ?>> factories = ImmutableList.of( |
| new ConfigFactory<ConnectPoint, BandwidthCapacity>(CONNECT_POINT_SUBJECT_FACTORY, |
| BandwidthCapacity.class, BandwidthCapacity.CONFIG_KEY) { |
| @Override |
| public BandwidthCapacity createConfig() { |
| return new BandwidthCapacity(); |
| } |
| }); |
| |
| |
| private DeviceListener deviceListener; |
| |
| private final ExecutorService executor = |
| Executors.newSingleThreadExecutor(groupedThreads("onos/resource", "registrar", log)); |
| |
| private NetworkConfigListener cfgListener; |
| |
| @Activate |
| public void activate() { |
| factories.forEach(cfgRegistry::registerConfigFactory); |
| |
| cfgListener = new ResourceNetworkConfigListener(adminService, cfgRegistry, mastershipService, executor); |
| cfgRegistry.addListener(cfgListener); |
| |
| deviceListener = new ResourceDeviceListener(adminService, resourceService, |
| deviceService, mastershipService, driverService, cfgRegistry, executor); |
| deviceService.addListener(deviceListener); |
| |
| // TODO Attempt initial registration of existing resources? |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| deviceService.removeListener(deviceListener); |
| cfgRegistry.removeListener(cfgListener); |
| |
| executor.shutdownNow(); |
| |
| factories.forEach(cfgRegistry::unregisterConfigFactory); |
| |
| log.info("Stopped"); |
| } |
| } |