| /* |
| * Copyright 2015-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.demo; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Stopwatch; |
| import com.google.common.collect.FluentIterable; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Sets; |
| import com.google.common.util.concurrent.ThreadFactoryBuilder; |
| import org.apache.commons.lang.math.RandomUtils; |
| import org.onlab.packet.MacAddress; |
| import org.onosproject.cluster.ClusterService; |
| import org.onosproject.cluster.ControllerNode; |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.mastership.MastershipService; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.MastershipRole; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.flow.DefaultFlowRule; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.flow.FlowRuleOperations; |
| import org.onosproject.net.flow.FlowRuleOperationsContext; |
| import org.onosproject.net.flow.FlowRuleService; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flow.criteria.Criterion; |
| import org.onosproject.net.flow.instructions.Instructions; |
| import org.onosproject.net.flowobjective.DefaultFilteringObjective; |
| import org.onosproject.net.flowobjective.DefaultForwardingObjective; |
| import org.onosproject.net.flowobjective.DefaultObjectiveContext; |
| import org.onosproject.net.flowobjective.FilteringObjective; |
| import org.onosproject.net.flowobjective.FlowObjectiveService; |
| import org.onosproject.net.flowobjective.ForwardingObjective; |
| import org.onosproject.net.flowobjective.ObjectiveContext; |
| import org.onosproject.net.host.HostService; |
| import org.onosproject.net.intent.Constraint; |
| import org.onosproject.net.intent.HostToHostIntent; |
| import org.onosproject.net.intent.Intent; |
| import org.onosproject.net.intent.IntentService; |
| 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 java.security.SecureRandom; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.Random; |
| import java.util.Set; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Application to set up demos. |
| */ |
| @Component(immediate = true, service = DemoApi.class) |
| public class DemoInstaller implements DemoApi { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected IntentService intentService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected HostService hostService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected MastershipService mastershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected ClusterService clusterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected FlowRuleService flowService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected FlowObjectiveService objectiveService; |
| |
| private ExecutorService worker; |
| |
| private ExecutorService installWorker; |
| |
| private ApplicationId appId; |
| |
| private final Set<Intent> existingIntents = new HashSet<>(); |
| private RandomInstaller randomInstaller; |
| |
| private ObjectMapper mapper = new ObjectMapper(); |
| |
| private AtomicLong macIndex; |
| |
| |
| @Activate |
| public void activate() { |
| String nodeId = clusterService.getLocalNode().ip().toString(); |
| appId = coreService.registerApplication("org.onosproject.demo.installer." |
| + nodeId); |
| worker = Executors.newFixedThreadPool(1, |
| new ThreadFactoryBuilder() |
| .setNameFormat("demo-app-worker") |
| .build()); |
| log.info("Started with Application ID {}", appId.id()); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| shutdownAndAwaitTermination(worker); |
| if (installWorker != null && !installWorker.isShutdown()) { |
| shutdownAndAwaitTermination(installWorker); |
| } |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public JsonNode flowTest(Optional<JsonNode> params) { |
| int flowsPerDevice = 1000; |
| int neighbours = 0; |
| boolean remove = true; |
| if (params.isPresent()) { |
| flowsPerDevice = params.get().get("flowsPerDevice").asInt(); |
| neighbours = params.get().get("neighbours").asInt(); |
| remove = params.get().get("remove").asBoolean(); |
| } |
| |
| Future<JsonNode> future = worker.submit(new FlowTest(flowsPerDevice, neighbours, remove)); |
| |
| try { |
| return future.get(10, TimeUnit.SECONDS); |
| } catch (InterruptedException | ExecutionException | TimeoutException e) { |
| ObjectNode node = mapper.createObjectNode(); |
| node.put("Error", e.getMessage()); |
| return node; |
| } |
| } |
| |
| @Override |
| public JsonNode flowObjTest(Optional<JsonNode> params) { |
| int flowObjPerDevice = 1000; |
| int neighbours = 0; |
| boolean remove = true; |
| String typeObj = "forward"; |
| if (params.isPresent()) { |
| flowObjPerDevice = params.get().get("flowObjPerDevice").asInt(); |
| neighbours = params.get().get("neighbours").asInt(); |
| remove = params.get().get("remove").asBoolean(); |
| typeObj = params.get().get("typeObj").asText().toString(); |
| } |
| |
| Future<JsonNode> future = worker.submit(new FlowObjTest(flowObjPerDevice, neighbours, remove, typeObj)); |
| |
| try { |
| return future.get(10, TimeUnit.SECONDS); |
| } catch (InterruptedException | ExecutionException | TimeoutException e) { |
| ObjectNode node = mapper.createObjectNode(); |
| node.put("Error", e.getMessage()); |
| return node; |
| } |
| } |
| |
| @Override |
| public void setup(InstallType type, Optional<JsonNode> runParams) { |
| switch (type) { |
| case MESH: |
| log.debug("Installing mesh intents"); |
| worker.execute(new MeshInstaller()); |
| break; |
| case RANDOM: |
| //check that we do not have a random installer running |
| if (installWorker == null || installWorker.isShutdown()) { |
| installWorker = Executors.newFixedThreadPool(1, |
| new ThreadFactoryBuilder() |
| .setNameFormat("random-worker") |
| .build()); |
| log.debug("Installing random sequence of intents"); |
| randomInstaller = new RandomInstaller(runParams); |
| installWorker.execute(randomInstaller); |
| } else { |
| log.warn("Random installer is already running"); |
| } |
| break; |
| default: |
| throw new IllegalArgumentException("What is it you want exactly?"); |
| } |
| } |
| |
| @Override |
| public void tearDown() { |
| worker.submit(new UnInstaller()); |
| } |
| |
| |
| /** |
| * Simply installs a mesh of intents from all the hosts existing in the network. |
| */ |
| private class MeshInstaller implements Runnable { |
| |
| @Override |
| public void run() { |
| TrafficSelector selector = DefaultTrafficSelector.emptySelector(); |
| TrafficTreatment treatment = DefaultTrafficTreatment.emptyTreatment(); |
| List<Constraint> constraint = Lists.newArrayList(); |
| List<Host> hosts = Lists.newArrayList(hostService.getHosts()); |
| while (!hosts.isEmpty()) { |
| Host src = hosts.remove(0); |
| for (Host dst : hosts) { |
| HostToHostIntent intent = HostToHostIntent.builder() |
| .appId(appId) |
| .one(src.id()) |
| .two(dst.id()) |
| .selector(selector) |
| .treatment(treatment) |
| .constraints(constraint) |
| .build(); |
| existingIntents.add(intent); |
| intentService.submit(intent); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Randomly installs and withdraws intents. |
| */ |
| private class RandomInstaller implements Runnable { |
| |
| private final boolean isLocal; |
| private final Set<Host> hosts; |
| |
| private final Random random = new SecureRandom(); |
| |
| private Set<HostPair> uninstalledOrWithdrawn; |
| private Set<HostPair> installed; |
| |
| private CountDownLatch latch; |
| |
| //used to wait on a batch to be processed. |
| private static final int ITERATIONMAX = 50000000; |
| |
| |
| public RandomInstaller(Optional<JsonNode> runParams) { |
| /* |
| Check if we have params and honour them. Otherwise |
| set defaults to processing only local stuff and |
| all local hosts. |
| */ |
| if (runParams.isPresent()) { |
| JsonNode node = runParams.get(); |
| isLocal = node.get("local").asBoolean(); |
| hosts = node.get("hosts") == null ? Sets.newHashSet(hostService.getHosts()) : |
| constructHostIds(node.get("hosts").elements()); |
| } else { |
| isLocal = true; |
| hosts = Sets.newHashSet(hostService.getHosts()); |
| } |
| |
| //construct list of intents. |
| installed = Sets.newHashSet(); |
| if (isLocal) { |
| uninstalledOrWithdrawn = buildPairs(pruneHostsByMasterShip()); |
| } else { |
| uninstalledOrWithdrawn = buildPairs(hosts); |
| } |
| |
| } |
| |
| private Set<Host> constructHostIds(Iterator<JsonNode> elements) { |
| Set<Host> hostIds = Sets.newHashSet(); |
| JsonNode n; |
| while (elements.hasNext()) { |
| n = elements.next(); |
| hostIds.add(hostService.getHost(HostId.hostId(n.textValue()))); |
| } |
| return hostIds; |
| } |
| |
| @Override |
| public void run() { |
| if (!installWorker.isShutdown()) { |
| randomize(); |
| latch = new CountDownLatch(1); |
| try { |
| trackIntents(); |
| } catch (InterruptedException e) { |
| shutdown(); |
| } |
| } |
| |
| } |
| |
| |
| /** |
| * Check whether the previously submitted batch is in progress |
| * and if yes submit the next one. If things hang, wait for at |
| * most 5 seconds and bail. |
| * @throws InterruptedException if the thread go interupted |
| */ |
| private void trackIntents() throws InterruptedException { |
| //FIXME |
| // TODO generate keys for each set of intents to allow manager to throttle |
| // TODO may also look into the store to see how many operations are pending |
| |
| //if everything is good proceed. |
| if (!installWorker.isShutdown()) { |
| installWorker.execute(this); |
| } |
| |
| } |
| |
| public void shutdown() { |
| log.warn("Shutting down random installer!"); |
| cleanUp(); |
| } |
| |
| |
| /** |
| * Shuffle the uninstalled and installed list (separately) and select |
| * a random number of them and install or uninstall them respectively. |
| */ |
| private void randomize() { |
| List<HostPair> hostList = new LinkedList<>(uninstalledOrWithdrawn); |
| Collections.shuffle(hostList); |
| List<HostPair> toInstall = hostList.subList(0, |
| random.nextInt(hostList.size() - 1)); |
| List<HostPair> toRemove; |
| if (!installed.isEmpty()) { |
| hostList = new LinkedList<>(installed); |
| Collections.shuffle(hostList); |
| toRemove = hostList.subList(0, |
| random.nextInt(hostList.size() - 1)); |
| uninstallIntents(toRemove); |
| } |
| installIntents(toInstall); |
| |
| } |
| |
| private void installIntents(List<HostPair> toInstall) { |
| for (HostPair pair : toInstall) { |
| installed.add(pair); |
| uninstalledOrWithdrawn.remove(pair); |
| intentService.submit(pair.h2hIntent()); |
| } |
| } |
| |
| private void uninstallIntents(Collection<HostPair> toRemove) { |
| for (HostPair pair : toRemove) { |
| installed.remove(pair); |
| uninstalledOrWithdrawn.add(pair); |
| intentService.withdraw(pair.h2hIntent()); |
| } |
| } |
| |
| /** |
| * Take everything and remove it all. |
| */ |
| private void cleanUp() { |
| List<HostPair> allPairs = Lists.newArrayList(installed); |
| allPairs.addAll(uninstalledOrWithdrawn); |
| for (HostPair pair : allPairs) { |
| intentService.withdraw(pair.h2hIntent()); |
| } |
| } |
| |
| |
| private Set<HostPair> buildPairs(Set<Host> hosts) { |
| Set<HostPair> pairs = Sets.newHashSet(); |
| Iterator<Host> it = Sets.newHashSet(hosts).iterator(); |
| while (it.hasNext()) { |
| Host src = it.next(); |
| it.remove(); |
| for (Host dst : hosts) { |
| pairs.add(new HostPair(src, dst)); |
| } |
| } |
| return pairs; |
| } |
| |
| private Set<Host> pruneHostsByMasterShip() { |
| return FluentIterable.from(hosts) |
| .filter(hasLocalMaster()) |
| .toSet(); |
| |
| } |
| |
| private Predicate<? super Host> hasLocalMaster() { |
| return host -> mastershipService.getLocalRole( |
| host.location().deviceId()).equals(MastershipRole.MASTER); |
| } |
| |
| |
| /** |
| * Simple class representing a pair of hosts and precomputes the associated |
| * h2h intent. |
| */ |
| private class HostPair { |
| |
| private final Host src; |
| private final Host dst; |
| |
| private final TrafficSelector selector = DefaultTrafficSelector.emptySelector(); |
| private final TrafficTreatment treatment = DefaultTrafficTreatment.emptyTreatment(); |
| private final List<Constraint> constraint = Lists.newArrayList(); |
| private final HostToHostIntent intent; |
| |
| public HostPair(Host src, Host dst) { |
| this.src = src; |
| this.dst = dst; |
| this.intent = HostToHostIntent.builder() |
| .appId(appId) |
| .one(src.id()) |
| .two(dst.id()) |
| .selector(selector) |
| .treatment(treatment) |
| .constraints(constraint) |
| .build(); |
| } |
| |
| public HostToHostIntent h2hIntent() { |
| return intent; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| |
| HostPair hostPair = (HostPair) o; |
| |
| return Objects.equals(src, hostPair.src) && |
| Objects.equals(dst, hostPair.dst); |
| |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(src, dst); |
| } |
| |
| |
| } |
| |
| } |
| |
| /** |
| * Remove anything that is running and clear it all out. |
| */ |
| private class UnInstaller implements Runnable { |
| @Override |
| public void run() { |
| if (!existingIntents.isEmpty()) { |
| clearExistingIntents(); |
| } |
| |
| if (installWorker != null && !installWorker.isShutdown()) { |
| shutdownAndAwaitTermination(installWorker); |
| randomInstaller.shutdown(); |
| } |
| } |
| |
| private void clearExistingIntents() { |
| for (Intent i : existingIntents) { |
| intentService.withdraw(i); |
| } |
| existingIntents.clear(); |
| } |
| } |
| |
| /** |
| * Shutdown a pool cleanly if possible. |
| * |
| * @param pool an executorService |
| */ |
| private void shutdownAndAwaitTermination(ExecutorService pool) { |
| pool.shutdown(); // Disable new tasks from being submitted |
| try { |
| // Wait a while for existing tasks to terminate |
| if (!pool.awaitTermination(10, TimeUnit.SECONDS)) { |
| pool.shutdownNow(); // Cancel currently executing tasks |
| // Wait a while for tasks to respond to being cancelled |
| if (!pool.awaitTermination(10, TimeUnit.SECONDS)) { |
| log.error("Pool did not terminate"); |
| } |
| } |
| } catch (Exception ie) { |
| // (Re-)Cancel if current thread also interrupted |
| pool.shutdownNow(); |
| // Preserve interrupt status |
| Thread.currentThread().interrupt(); |
| } |
| } |
| |
| private class FlowTest implements Callable<JsonNode> { |
| private final int flowPerDevice; |
| private final int neighbours; |
| private final boolean remove; |
| private FlowRuleOperations.Builder adds; |
| private FlowRuleOperations.Builder removes; |
| |
| public FlowTest(int flowsPerDevice, int neighbours, boolean remove) { |
| this.flowPerDevice = flowsPerDevice; |
| this.neighbours = neighbours; |
| this.remove = remove; |
| prepareInstallation(); |
| } |
| |
| private void prepareInstallation() { |
| Set<ControllerNode> instances = Sets.newHashSet(clusterService.getNodes()); |
| instances.remove(clusterService.getLocalNode()); |
| Set<NodeId> acceptableNodes = Sets.newHashSet(); |
| if (neighbours >= instances.size()) { |
| instances.forEach(instance -> acceptableNodes.add(instance.id())); |
| } else { |
| Iterator<ControllerNode> nodes = instances.iterator(); |
| for (int i = neighbours; i > 0; i--) { |
| acceptableNodes.add(nodes.next().id()); |
| } |
| } |
| acceptableNodes.add(clusterService.getLocalNode().id()); |
| |
| Set<Device> devices = Sets.newHashSet(); |
| for (Device dev : deviceService.getDevices()) { |
| if (acceptableNodes.contains( |
| mastershipService.getMasterFor(dev.id()))) { |
| devices.add(dev); |
| } |
| } |
| |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .setOutput(PortNumber.portNumber(RandomUtils.nextInt())).build(); |
| TrafficSelector.Builder sbuilder; |
| FlowRuleOperations.Builder rules = FlowRuleOperations.builder(); |
| FlowRuleOperations.Builder remove = FlowRuleOperations.builder(); |
| |
| for (Device d : devices) { |
| for (long i = 0; i < this.flowPerDevice; i++) { |
| sbuilder = DefaultTrafficSelector.builder(); |
| |
| sbuilder.matchEthSrc(MacAddress.valueOf(RandomUtils.nextInt() * i)) |
| .matchEthDst(MacAddress.valueOf((Integer.MAX_VALUE - i) * RandomUtils.nextInt())); |
| |
| |
| int randomPriority = RandomUtils.nextInt(FlowRule.MAX_PRIORITY); |
| FlowRule f = DefaultFlowRule.builder() |
| .forDevice(d.id()) |
| .withSelector(sbuilder.build()) |
| .withTreatment(treatment) |
| .withPriority(randomPriority) |
| .fromApp(appId) |
| .makeTemporary(10) |
| .build(); |
| rules.add(f); |
| remove.remove(f); |
| |
| } |
| } |
| |
| this.adds = rules; |
| this.removes = remove; |
| } |
| |
| @Override |
| public JsonNode call() throws Exception { |
| ObjectNode node = mapper.createObjectNode(); |
| CountDownLatch latch = new CountDownLatch(1); |
| flowService.apply(adds.build(new FlowRuleOperationsContext() { |
| |
| private final Stopwatch timer = Stopwatch.createStarted(); |
| |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| |
| long elapsed = timer.elapsed(TimeUnit.MILLISECONDS); |
| node.put("elapsed", elapsed); |
| |
| |
| latch.countDown(); |
| } |
| })); |
| |
| latch.await(10, TimeUnit.SECONDS); |
| if (this.remove) { |
| flowService.apply(removes.build()); |
| } |
| return node; |
| } |
| } |
| |
| private class FlowObjTest implements Callable<JsonNode> { |
| private final int flowObjPerDevice; |
| private final int neighbours; |
| private final boolean remove; |
| private final String typeObj; |
| Map<DeviceId, Set<ForwardingObjective.Builder>> forwardingObj = new HashMap<>(); |
| Map<DeviceId, Set<FilteringObjective.Builder>> filteringObj = new HashMap<>(); |
| |
| public FlowObjTest(int flowObjPerDevice, int neighbours, boolean remove, String typeObj) { |
| this.flowObjPerDevice = flowObjPerDevice; |
| this.neighbours = neighbours; |
| this.remove = remove; |
| this.typeObj = typeObj; |
| prepareInstallation(); |
| } |
| |
| private void prepareInstallation() { |
| Set<ControllerNode> instances = Sets.newHashSet(clusterService.getNodes()); |
| instances.remove(clusterService.getLocalNode()); |
| Set<NodeId> acceptableNodes = Sets.newHashSet(); |
| macIndex = new AtomicLong(0); |
| if (neighbours >= instances.size()) { |
| instances.forEach(instance -> acceptableNodes.add(instance.id())); |
| } else { |
| Iterator<ControllerNode> nodes = instances.iterator(); |
| for (int i = neighbours; i > 0; i--) { |
| acceptableNodes.add(nodes.next().id()); |
| } |
| } |
| acceptableNodes.add(clusterService.getLocalNode().id()); |
| |
| Set<Device> devices = Sets.newHashSet(); |
| for (Device dev : deviceService.getDevices()) { |
| if (acceptableNodes.contains( |
| mastershipService.getMasterFor(dev.id()))) { |
| devices.add(dev); |
| } |
| } |
| for (Device device : devices) { |
| switch (this.typeObj) { |
| case "forward": |
| forwardingObj.put(device.id(), createForward(flowObjPerDevice)); |
| break; |
| case "filter": |
| filteringObj.put(device.id(), createFilter(flowObjPerDevice)); |
| break; |
| default: |
| log.warn("Unsupported Flow Objective Type"); |
| break; |
| } |
| } |
| } |
| |
| /* |
| * Method to create forwarding flow objectives. |
| */ |
| private Set<ForwardingObjective.Builder> createForward(int flowObjPerDevice) { |
| Set<ForwardingObjective.Builder> fObj = new HashSet<>(); |
| for (int i = 0; i < flowObjPerDevice; i++) { |
| TrafficSelector.Builder sbuilder = DefaultTrafficSelector.builder(); |
| sbuilder.matchEthSrc(MacAddress.valueOf(macIndex.incrementAndGet())); |
| sbuilder.matchInPort(PortNumber.portNumber(2)); |
| |
| TrafficTreatment.Builder tbuilder = DefaultTrafficTreatment.builder(); |
| tbuilder.add(Instructions.createOutput(PortNumber.portNumber(3))); |
| |
| ForwardingObjective.Builder fobBuilder = DefaultForwardingObjective.builder(); |
| fobBuilder.withFlag(ForwardingObjective.Flag.SPECIFIC) |
| .withSelector(sbuilder.build()) |
| .withTreatment(tbuilder.build()) |
| .withPriority(i + 1) |
| .fromApp(appId) |
| .makePermanent(); |
| |
| fObj.add(fobBuilder); |
| } |
| return fObj; |
| } |
| |
| /* |
| *Method to install forwarding flow objectives. |
| */ |
| private ObjectNode installForward() { |
| ObjectNode node = mapper.createObjectNode(); |
| long addStartTime = System.currentTimeMillis(); |
| int totalFlowObj = (flowObjPerDevice * forwardingObj.keySet().size()); |
| CountDownLatch installationLatch = new CountDownLatch(totalFlowObj); |
| for (DeviceId dId : forwardingObj.keySet()) { |
| Set<ForwardingObjective.Builder> fObjs = forwardingObj.get(dId); |
| for (ForwardingObjective.Builder builder : fObjs) { |
| ObjectiveContext context = new DefaultObjectiveContext( |
| (objective -> { |
| installationLatch.countDown(); |
| }) |
| ); |
| objectiveService.forward(dId, builder.add(context)); |
| } |
| } |
| |
| try { |
| installationLatch.await(10, TimeUnit.SECONDS); |
| } catch (InterruptedException e) { |
| Thread.interrupted(); |
| } |
| |
| node.put("elapsed", System.currentTimeMillis() - addStartTime); |
| log.info("{} Forward Flow Objectives elapsed -> {} ms", |
| totalFlowObj, (System.currentTimeMillis() - addStartTime)); |
| |
| if (this.remove) { |
| for (DeviceId dId : forwardingObj.keySet()) { |
| Set<ForwardingObjective.Builder> fObjs = forwardingObj.get(dId); |
| for (ForwardingObjective.Builder builder : fObjs) { |
| objectiveService.forward(dId, builder.remove()); |
| } |
| } |
| } |
| return node; |
| |
| } |
| |
| /* |
| * Method to create filtering flow objectives. |
| */ |
| private Set<FilteringObjective.Builder> createFilter(int flowObjPerDevice) { |
| Set<FilteringObjective.Builder> filterObjSet = new HashSet<>(); |
| for (int i = 0; i < flowObjPerDevice; i++) { |
| TrafficTreatment.Builder tbuilder = DefaultTrafficTreatment.builder(); |
| tbuilder.add(Instructions.createOutput(PortNumber.portNumber(2))); |
| TrafficSelector.Builder sbuilder = DefaultTrafficSelector.builder(); |
| sbuilder.matchInPort(PortNumber.portNumber(i + 3L)); |
| sbuilder.matchEthDst(MacAddress.valueOf("12:00:00:00:00:10")); |
| |
| FilteringObjective.Builder fobBuilder = DefaultFilteringObjective.builder(); |
| fobBuilder.fromApp(appId) |
| .withKey(sbuilder.build().getCriterion(Criterion.Type.IN_PORT)) |
| .addCondition(sbuilder.build().getCriterion(Criterion.Type.ETH_DST)) |
| .withMeta(tbuilder.build()) |
| .permit() |
| .withPriority(i + 1) |
| .makePermanent(); |
| |
| filterObjSet.add(fobBuilder); |
| } |
| |
| return filterObjSet; |
| } |
| |
| /* |
| * Method to install filtering flow objectives. |
| */ |
| private ObjectNode installFilter() { |
| ObjectNode node = mapper.createObjectNode(); |
| long addStartTime = System.currentTimeMillis(); |
| int totalFlowObj = (flowObjPerDevice * filteringObj.keySet().size()); |
| CountDownLatch installationLatch = new CountDownLatch(totalFlowObj); |
| for (DeviceId dId : filteringObj.keySet()) { |
| Set<FilteringObjective.Builder> fObjs = filteringObj.get(dId); |
| for (FilteringObjective.Builder builder : fObjs) { |
| ObjectiveContext context = new DefaultObjectiveContext( |
| (objective -> { |
| installationLatch.countDown(); |
| }) |
| ); |
| objectiveService.filter(dId, builder.add(context)); |
| } |
| } |
| |
| try { |
| installationLatch.await(10, TimeUnit.SECONDS); |
| } catch (InterruptedException e) { |
| Thread.interrupted(); |
| } |
| |
| node.put("elapsed", System.currentTimeMillis() - addStartTime); |
| log.info("{} Filter Flow Objectives elapsed -> {} ms", |
| totalFlowObj, (System.currentTimeMillis() - addStartTime)); |
| |
| if (this.remove) { |
| for (DeviceId dId : filteringObj.keySet()) { |
| Set<FilteringObjective.Builder> fObjs = filteringObj.get(dId); |
| for (FilteringObjective.Builder builder : fObjs) { |
| objectiveService.filter(dId, builder.remove()); |
| } |
| } |
| } |
| return node; |
| } |
| |
| |
| @Override |
| public JsonNode call() throws Exception { |
| ObjectNode node = mapper.createObjectNode(); |
| switch (this.typeObj) { |
| case "forward": |
| node = installForward(); |
| break; |
| case "filter": |
| node = installFilter(); |
| break; |
| default: |
| log.warn("Unsupported Flow Objective Type"); |
| } |
| return node; |
| } |
| } |
| } |
| |
| |