| /* |
| * Copyright 2014-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.cli.net; |
| |
| import com.google.common.collect.Lists; |
| import org.apache.karaf.shell.commands.Argument; |
| import org.apache.karaf.shell.commands.Command; |
| import org.apache.karaf.shell.commands.Option; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.MacAddress; |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.intent.Intent; |
| import org.onosproject.net.intent.IntentEvent; |
| import org.onosproject.net.intent.IntentEvent.Type; |
| import org.onosproject.net.intent.IntentListener; |
| import org.onosproject.net.intent.IntentService; |
| import org.onosproject.net.intent.Key; |
| import org.onosproject.net.intent.PointToPointIntent; |
| |
| import java.util.ArrayList; |
| import java.util.EnumSet; |
| import java.util.List; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import static org.onosproject.net.DeviceId.deviceId; |
| import static org.onosproject.net.PortNumber.portNumber; |
| |
| /** |
| * Installs bulk point-to-point connectivity intents between given ingress/egress devices. |
| */ |
| @Command(scope = "onos", name = "push-test-intents", |
| description = "Installs random intents to test throughput") |
| public class IntentPushTestCommand extends AbstractShellCommand |
| implements IntentListener { |
| |
| @Argument(index = 0, name = "ingressDevice", |
| description = "Ingress Device/Port Description", |
| required = true, multiValued = false) |
| String ingressDeviceString = null; |
| |
| @Argument(index = 1, name = "egressDevice", |
| description = "Egress Device/Port Description", |
| required = true, multiValued = false) |
| String egressDeviceString = null; |
| |
| @Argument(index = 2, name = "numberOfIntents", |
| description = "Number of intents to install/withdraw", |
| required = true, multiValued = false) |
| String numberOfIntents = null; |
| |
| @Argument(index = 3, name = "keyOffset", |
| description = "Starting point for first key (default: 1)", |
| required = false, multiValued = false) |
| String keyOffsetStr = null; |
| |
| @Option(name = "-i", aliases = "--install", |
| description = "Install intents", |
| required = false, multiValued = false) |
| private boolean installOnly = false; |
| |
| @Option(name = "-w", aliases = "--withdraw", |
| description = "Withdraw intents", |
| required = false, multiValued = false) |
| private boolean withdrawOnly = false; |
| |
| private IntentService service; |
| private CountDownLatch latch; |
| private volatile long start, end; |
| private int count; |
| private int keyOffset; |
| private boolean add; |
| List<Key> keysForInstall = new ArrayList<>(); |
| List<Key> keysForWithdraw = new ArrayList<>(); |
| |
| @Override |
| protected void execute() { |
| service = get(IntentService.class); |
| |
| |
| DeviceId ingressDeviceId = deviceId(getDeviceId(ingressDeviceString)); |
| PortNumber ingressPortNumber = portNumber(getPortNumber(ingressDeviceString)); |
| ConnectPoint ingress = new ConnectPoint(ingressDeviceId, ingressPortNumber); |
| |
| DeviceId egressDeviceId = deviceId(getDeviceId(egressDeviceString)); |
| PortNumber egressPortNumber = portNumber(getPortNumber(egressDeviceString)); |
| ConnectPoint egress = new ConnectPoint(egressDeviceId, egressPortNumber); |
| |
| count = Integer.parseInt(numberOfIntents); |
| keyOffset = (keyOffsetStr != null) ? Integer.parseInt(keyOffsetStr) : 1; |
| |
| service.addListener(this); |
| |
| List<Intent> operations = generateIntents(ingress, egress); |
| |
| boolean both = !(installOnly ^ withdrawOnly); |
| |
| if (installOnly || both) { |
| add = true; |
| submitIntents(operations); |
| } |
| |
| if (withdrawOnly || both) { |
| add = false; |
| submitIntents(operations); |
| } |
| |
| service.removeListener(this); |
| } |
| |
| private List<Intent> generateIntents(ConnectPoint ingress, ConnectPoint egress) { |
| TrafficSelector.Builder selectorBldr = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4); |
| TrafficTreatment treatment = DefaultTrafficTreatment.emptyTreatment(); |
| |
| List<Intent> intents = Lists.newArrayList(); |
| for (int i = 0; i < count; i++) { |
| TrafficSelector selector = selectorBldr |
| .matchEthSrc(MacAddress.valueOf(i + keyOffset)) |
| .build(); |
| intents.add(PointToPointIntent.builder() |
| .appId(appId()) |
| .key(Key.of(i + keyOffset, appId())) |
| .selector(selector) |
| .treatment(treatment) |
| .ingressPoint(ingress) |
| .egressPoint(egress) |
| .build()); |
| keysForInstall.add(Key.of(i + keyOffset, appId())); |
| keysForWithdraw.add(Key.of(i + keyOffset, appId())); |
| } |
| return intents; |
| } |
| |
| private void submitIntents(List<Intent> intents) { |
| latch = new CountDownLatch(count); |
| log.info("CountDownLatch is set with count of {}", count); |
| start = System.currentTimeMillis(); |
| for (Intent intent : intents) { |
| if (add) { |
| service.submit(intent); |
| } else { |
| service.withdraw(intent); |
| } |
| } |
| |
| try { |
| // In this way with the tests in place the timeout will be |
| // 61 seconds. |
| if (latch.await(1000 + count * 60, TimeUnit.MILLISECONDS)) { |
| printResults(count); |
| } else { |
| print("Failure: %d intents not installed", latch.getCount()); |
| } |
| } catch (InterruptedException e) { |
| print(e.toString()); |
| } |
| } |
| |
| private void printResults(int count) { |
| long delta = end - start; |
| String text = add ? "install" : "withdraw"; |
| print("Time to %s %d intents: %d ms", text, count, delta); |
| } |
| |
| /** |
| * Extracts the port number portion of the ConnectPoint. |
| * |
| * @param deviceString string representing the device/port |
| * @return port number as a string, empty string if the port is not found |
| */ |
| private String getPortNumber(String deviceString) { |
| int slash = deviceString.indexOf('/'); |
| if (slash <= 0) { |
| return ""; |
| } |
| return deviceString.substring(slash + 1, deviceString.length()); |
| } |
| |
| /** |
| * Extracts the device ID portion of the ConnectPoint. |
| * |
| * @param deviceString string representing the device/port |
| * @return device ID string |
| */ |
| private String getDeviceId(String deviceString) { |
| int slash = deviceString.indexOf('/'); |
| if (slash <= 0) { |
| return ""; |
| } |
| return deviceString.substring(0, slash); |
| } |
| |
| private static final EnumSet<IntentEvent.Type> IGNORE_EVENT |
| = EnumSet.of(Type.INSTALL_REQ, Type.WITHDRAW_REQ); |
| @Override |
| public synchronized void event(IntentEvent event) { |
| if (!appId().equals(event.subject().appId())) { |
| // not my event, ignore |
| return; |
| } |
| Type expected = add ? Type.INSTALLED : Type.WITHDRAWN; |
| List keylist = add ? keysForInstall : keysForWithdraw; |
| log.debug("Event generated: {}", event); |
| if (event.type() == expected && keylist.contains(event.subject().key())) { |
| end = Math.max(end, event.time()); |
| keylist.remove(event.subject().key()); |
| if (latch != null) { |
| if (latch.getCount() == 0) { |
| log.warn("Latch was already 0 before counting down?"); |
| } |
| latch.countDown(); |
| log.debug("Latch count is {}", latch.getCount()); |
| } else { |
| log.warn("install event latch is null"); |
| } |
| } else if (IGNORE_EVENT.contains(event.type())) { |
| log.debug("Unexpected intent event: {}", event); |
| } |
| } |
| } |