| /* |
| * Copyright 2014-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.core.impl; |
| |
| 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.Modified; |
| import org.apache.felix.scr.annotations.Property; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onlab.metrics.MetricsService; |
| import org.onlab.util.SharedExecutors; |
| import org.onlab.util.Tools; |
| import org.onosproject.app.ApplicationService; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.app.ApplicationIdStore; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.core.IdBlockStore; |
| import org.onosproject.core.IdGenerator; |
| import org.onosproject.core.Version; |
| import org.onosproject.event.EventDeliveryService; |
| import org.osgi.service.component.ComponentContext; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.Dictionary; |
| import java.util.List; |
| import java.util.Set; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onosproject.security.AppGuard.checkPermission; |
| import static org.onosproject.security.AppPermission.Type.APP_READ; |
| import static org.onosproject.security.AppPermission.Type.APP_WRITE; |
| |
| |
| /** |
| * Core service implementation. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class CoreManager implements CoreService { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final File VERSION_FILE = new File("../VERSION"); |
| private static Version version = Version.version("1.9.0-SNAPSHOT"); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ApplicationIdStore applicationIdStore; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected IdBlockStore idBlockStore; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ApplicationService appService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ComponentConfigService cfgService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected EventDeliveryService eventDeliveryService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected MetricsService metricsService; |
| |
| private static final int DEFAULT_POOL_SIZE = 30; |
| @Property(name = "sharedThreadPoolSize", intValue = DEFAULT_POOL_SIZE, |
| label = "Configure shared pool maximum size ") |
| private int sharedThreadPoolSize = DEFAULT_POOL_SIZE; |
| |
| private static final int DEFAULT_EVENT_TIME = 2000; |
| @Property(name = "maxEventTimeLimit", intValue = DEFAULT_EVENT_TIME, |
| label = "Maximum number of millis an event sink has to process an event") |
| private int maxEventTimeLimit = DEFAULT_EVENT_TIME; |
| |
| private static final boolean DEFAULT_PERFORMANCE_CHECK = false; |
| @Property(name = "sharedThreadPerformanceCheck", boolValue = DEFAULT_PERFORMANCE_CHECK, |
| label = "Enable queue performance check on shared pool") |
| private boolean calculatePoolPerformance = DEFAULT_PERFORMANCE_CHECK; |
| |
| |
| @Activate |
| protected void activate() { |
| registerApplication(CORE_APP_NAME); |
| cfgService.registerProperties(getClass()); |
| try { |
| Path path = Paths.get(VERSION_FILE.getPath()); |
| List<String> versionLines = Files.readAllLines(path); |
| if (versionLines != null && !versionLines.isEmpty()) { |
| version = Version.version(versionLines.get(0)); |
| } |
| } catch (IOException e) { |
| // version file not found, using default |
| log.trace("Version file not found", e); |
| } |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| cfgService.unregisterProperties(getClass(), false); |
| SharedExecutors.shutdown(); |
| } |
| |
| @Override |
| public Version version() { |
| checkPermission(APP_READ); |
| return version; |
| } |
| |
| @Override |
| public Set<ApplicationId> getAppIds() { |
| checkPermission(APP_READ); |
| return applicationIdStore.getAppIds(); |
| } |
| |
| @Override |
| public ApplicationId getAppId(Short id) { |
| checkPermission(APP_READ); |
| return applicationIdStore.getAppId(id); |
| } |
| |
| @Override |
| public ApplicationId getAppId(String name) { |
| checkPermission(APP_READ); |
| return applicationIdStore.getAppId(name); |
| } |
| |
| |
| @Override |
| public ApplicationId registerApplication(String name) { |
| checkPermission(APP_WRITE); |
| checkNotNull(name, "Application ID cannot be null"); |
| return applicationIdStore.registerApplication(name); |
| } |
| |
| @Override |
| public ApplicationId registerApplication(String name, Runnable preDeactivate) { |
| checkPermission(APP_WRITE); |
| ApplicationId id = registerApplication(name); |
| appService.registerDeactivateHook(id, preDeactivate); |
| return id; |
| } |
| |
| @Override |
| public IdGenerator getIdGenerator(String topic) { |
| checkPermission(APP_READ); |
| IdBlockAllocator allocator = new StoreBasedIdBlockAllocator(topic, idBlockStore); |
| return new BlockAllocatorBasedIdGenerator(allocator); |
| } |
| |
| |
| @Modified |
| protected void modified(ComponentContext context) { |
| Dictionary<?, ?> properties = context.getProperties(); |
| Integer poolSize = Tools.getIntegerProperty(properties, "sharedThreadPoolSize"); |
| |
| if (poolSize != null && poolSize > 1) { |
| sharedThreadPoolSize = poolSize; |
| SharedExecutors.setPoolSize(sharedThreadPoolSize); |
| } else if (poolSize != null) { |
| log.warn("sharedThreadPoolSize must be greater than 1"); |
| } |
| |
| Integer timeLimit = Tools.getIntegerProperty(properties, "maxEventTimeLimit"); |
| if (timeLimit != null && timeLimit >= 0) { |
| maxEventTimeLimit = timeLimit; |
| eventDeliveryService.setDispatchTimeLimit(maxEventTimeLimit); |
| } else if (timeLimit != null) { |
| log.warn("maxEventTimeLimit must be greater than or equal to 0"); |
| } |
| |
| Boolean performanceCheck = Tools.isPropertyEnabled(properties, "sharedThreadPerformanceCheck"); |
| if (performanceCheck != null) { |
| calculatePoolPerformance = performanceCheck; |
| SharedExecutors.setMetricsService(calculatePoolPerformance ? metricsService : null); |
| } |
| |
| log.info("Settings: sharedThreadPoolSize={}, maxEventTimeLimit={}, calculatePoolPerformance={}", |
| sharedThreadPoolSize, maxEventTimeLimit, calculatePoolPerformance); |
| } |
| } |