| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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.domain.impl; |
| |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| import org.onlab.util.ItemNotFoundException; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.behaviour.DomainIntentConfigurable; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.domain.DomainIntent; |
| import org.onosproject.net.domain.DomainIntentOperation; |
| import org.onosproject.net.domain.DomainIntentOperations; |
| import org.onosproject.net.domain.DomainIntentService; |
| import org.onosproject.net.driver.DriverHandler; |
| import org.onosproject.net.driver.DriverService; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.concurrent.ExecutorService; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static java.util.concurrent.Executors.newFixedThreadPool; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.net.domain.DomainIntentOperation.Type.ADD; |
| import static org.onosproject.net.domain.DomainIntentOperation.Type.REMOVE; |
| |
| /** |
| * {@link DomainIntentService} implementation class. |
| */ |
| @Component(immediate = true, service = DomainIntentService.class) |
| public class DomainIntentManager implements DomainIntentService { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected DriverService driverService; |
| |
| private ExecutorService executorService = |
| newFixedThreadPool(Runtime.getRuntime().availableProcessors(), |
| groupedThreads("onos/domain-intent-mgmt", "%d", log)); |
| |
| private final Map<DeviceId, DriverHandler> driverHandlers = Maps.newConcurrentMap(); |
| private final Map<DeviceId, DomainIntentConfigurable> driversMap = Maps.newConcurrentMap(); |
| |
| @Activate |
| public void activate() { |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void sumbit(DomainIntentOperations domainOperations) { |
| executorService.execute(new DomainIntentProcessor(domainOperations)); |
| } |
| |
| private class DomainIntentProcessor implements Runnable { |
| private final DomainIntentOperations idos; |
| |
| private final List<DomainIntentOperation> stages; |
| private boolean hasFailed = false; |
| |
| public DomainIntentProcessor(DomainIntentOperations dios) { |
| this.idos = checkNotNull(dios); |
| this.stages = Lists.newArrayList(checkNotNull(dios.stages())); |
| } |
| |
| @Override |
| public synchronized void run() { |
| if (stages.size() > 0) { |
| process(stages.remove(0)); |
| } else if (!hasFailed) { |
| idos.callback().onSuccess(idos); |
| } |
| } |
| |
| |
| private void process(DomainIntentOperation dio) { |
| Optional<DomainIntentConfigurable> config = |
| dio.intent().filteredIngressPoints().stream() |
| .map(x -> getDomainIntentConfigurable(x.connectPoint().deviceId())) |
| .filter(Objects::nonNull) |
| .findAny(); |
| DomainIntent domainIntent = null; |
| if (config.isPresent()) { |
| if (dio.type() == ADD) { |
| domainIntent = config.get().sumbit(dio.intent()); |
| } else if (dio.type() == REMOVE) { |
| domainIntent = config.get().remove(dio.intent()); |
| } |
| executorService.execute(this); |
| } else { |
| log.error("Ingresses devices does not support " + |
| "DomainIntentConfigurable. Installation failed"); |
| hasFailed = true; |
| } |
| if (domainIntent == null) { |
| log.error("Installation failed for Domain Intent {}", dio.intent()); |
| hasFailed = true; |
| } |
| if (hasFailed) { |
| DomainIntentOperations failedBuilder = DomainIntentOperations.builder() |
| .add(dio.intent()).build(); |
| idos.callback().onError(failedBuilder); |
| executorService.execute(this); |
| } |
| } |
| |
| } |
| |
| private DomainIntentConfigurable getDomainIntentConfigurable(DeviceId deviceId) { |
| return driversMap.computeIfAbsent(deviceId, this::initDomainIntentDriver); |
| } |
| |
| private DomainIntentConfigurable initDomainIntentDriver(DeviceId deviceId) { |
| |
| // Attempt to lookup the handler in the cache |
| DriverHandler handler = driverHandlers.get(deviceId); |
| if (handler == null) { |
| try { |
| // Otherwise create it and if it has DomainIntentConfig behaviour, cache it |
| handler = driverService.createHandler(deviceId); |
| |
| if (!handler.driver().hasBehaviour(DomainIntentConfigurable.class)) { |
| log.warn("DomainIntentConfig behaviour not supported for device {}", |
| deviceId); |
| return null; |
| } |
| } catch (ItemNotFoundException e) { |
| log.warn("No applicable driver for device {}", deviceId); |
| return null; |
| } |
| driverHandlers.put(deviceId, handler); |
| } |
| // Always (re)initialize the pipeline behaviour |
| log.info("Driver {} bound to device {} ... initializing driver", |
| handler.driver().name(), deviceId); |
| |
| return handler.behaviour(DomainIntentConfigurable.class); |
| } |
| } |