| /* |
| * Copyright 2014 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.onlab.onos.demo; |
| |
| import com.google.common.collect.Lists; |
| import com.google.common.util.concurrent.ThreadFactoryBuilder; |
| 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.apache.felix.scr.annotations.Service; |
| import org.onlab.onos.core.ApplicationId; |
| import org.onlab.onos.core.CoreService; |
| import org.onlab.onos.net.Host; |
| import org.onlab.onos.net.flow.DefaultTrafficSelector; |
| import org.onlab.onos.net.flow.DefaultTrafficTreatment; |
| import org.onlab.onos.net.flow.TrafficSelector; |
| import org.onlab.onos.net.flow.TrafficTreatment; |
| import org.onlab.onos.net.host.HostService; |
| import org.onlab.onos.net.intent.HostToHostIntent; |
| import org.onlab.onos.net.intent.Intent; |
| import org.onlab.onos.net.intent.IntentService; |
| import org.slf4j.Logger; |
| |
| |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Application to set up demos. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class DemoInstaller implements DemoAPI { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected IntentService intentService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected HostService hostService; |
| |
| private ExecutorService worker; |
| |
| private ApplicationId appId; |
| |
| private final Set<Intent> existingIntents = new HashSet<>(); |
| |
| |
| |
| @Activate |
| public void activate() { |
| appId = coreService.registerApplication("org.onlab.onos.demo.installer"); |
| worker = Executors.newFixedThreadPool(1, |
| new ThreadFactoryBuilder() |
| .setNameFormat("demo-app-worker") |
| .build()); |
| log.info("Started with Application ID {}", appId.id()); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| worker.shutdownNow(); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void setup(InstallType type) { |
| switch (type) { |
| case MESH: |
| log.debug("Installing mesh intents"); |
| worker.execute(new MeshInstaller()); |
| break; |
| case RANDOM: |
| throw new IllegalArgumentException("Not yet implemented."); |
| default: |
| throw new IllegalArgumentException("What is it you want exactly?"); |
| } |
| } |
| |
| @Override |
| public void tearDown() { |
| worker.submit(new UnInstaller()); |
| } |
| |
| |
| private class MeshInstaller implements Runnable { |
| |
| @Override |
| public void run() { |
| TrafficSelector selector = DefaultTrafficSelector.builder().build(); |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder().build(); |
| |
| List<Host> hosts = Lists.newArrayList(hostService.getHosts()); |
| while (!hosts.isEmpty()) { |
| Host src = hosts.remove(0); |
| for (Host dst : hosts) { |
| HostToHostIntent intent = new HostToHostIntent(appId, src.id(), dst.id(), |
| selector, treatment, |
| null); |
| existingIntents.add(intent); |
| intentService.submit(intent); |
| } |
| } |
| } |
| } |
| |
| |
| private class UnInstaller implements Runnable { |
| @Override |
| public void run() { |
| for (Intent i : existingIntents) { |
| intentService.withdraw(i); |
| } |
| } |
| } |
| } |
| |
| |