| /* |
| * 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.foo; |
| |
| import static java.lang.Thread.sleep; |
| |
| import java.io.IOException; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| import org.onlab.metrics.MetricsComponent; |
| import org.onlab.metrics.MetricsFeature; |
| import org.onlab.metrics.MetricsManager; |
| import org.onlab.netty.Endpoint; |
| import org.onlab.netty.NettyMessagingService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.codahale.metrics.Timer; |
| |
| /** |
| * The Simple netty client test. |
| */ |
| // FIXME: Should be move out to test or app |
| public final class SimpleNettyClient { |
| |
| private static Logger log = LoggerFactory.getLogger(SimpleNettyClient.class); |
| |
| static NettyMessagingService messaging; |
| static MetricsManager metrics; |
| |
| private SimpleNettyClient() { |
| } |
| |
| /** |
| * The entry point of application. |
| * |
| * @param args the input arguments |
| * @throws IOException the iO exception |
| * @throws InterruptedException the interrupted exception |
| * @throws ExecutionException the execution exception |
| * @throws TimeoutException the timeout exception |
| */ |
| public static void main(String[] args) |
| throws IOException, InterruptedException, ExecutionException, |
| TimeoutException { |
| try { |
| startStandalone(args); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| |
| System.exit(0); |
| } |
| |
| /** |
| * Start standalone. |
| * |
| * @param args the args |
| * @throws Exception the exception |
| */ |
| public static void startStandalone(String[] args) throws Exception { |
| String host = args.length > 0 ? args[0] : "localhost"; |
| int port = args.length > 1 ? Integer.parseInt(args[1]) : 8081; |
| int warmup = args.length > 2 ? Integer.parseInt(args[2]) : 1000; |
| int iterations = args.length > 3 ? Integer.parseInt(args[3]) : 50 * 100000; |
| messaging = new TestNettyMessagingService(9081); |
| metrics = new MetricsManager(); |
| Endpoint endpoint = new Endpoint(host, port); |
| messaging.activate(); |
| MetricsFeature feature = new MetricsFeature("latency"); |
| MetricsComponent component = metrics.registerComponent("NettyMessaging"); |
| log.info("connecting " + host + ":" + port + " warmup:" + warmup + " iterations:" + iterations); |
| |
| for (int i = 0; i < warmup; i++) { |
| messaging.sendAsync(endpoint, "simple", "Hello World".getBytes()); |
| Future<byte[]> responseFuture = messaging |
| .sendAndReceive(endpoint, "echo", |
| "Hello World".getBytes()); |
| responseFuture.get(100000, TimeUnit.MILLISECONDS); |
| } |
| |
| log.info("measuring round-trip send & receive"); |
| Timer sendAndReceiveTimer = metrics.createTimer(component, feature, "SendAndReceive"); |
| int timeouts = 0; |
| |
| for (int i = 0; i < iterations; i++) { |
| Future<byte[]> responseFuture; |
| Timer.Context context = sendAndReceiveTimer.time(); |
| try { |
| responseFuture = messaging |
| .sendAndReceive(endpoint, "echo", |
| "Hello World".getBytes()); |
| responseFuture.get(10000, TimeUnit.MILLISECONDS); |
| } catch (TimeoutException e) { |
| timeouts++; |
| log.info("timeout:" + timeouts + " at iteration:" + i); |
| } finally { |
| context.stop(); |
| } |
| // System.out.println("Got back:" + new String(response.get(2, TimeUnit.SECONDS))); |
| } |
| |
| //sleep(1000); |
| log.info("measuring async sender"); |
| Timer sendAsyncTimer = metrics.createTimer(component, feature, "AsyncSender"); |
| |
| for (int i = 0; i < iterations; i++) { |
| Timer.Context context = sendAsyncTimer.time(); |
| messaging.sendAsync(endpoint, "simple", "Hello World".getBytes()); |
| context.stop(); |
| } |
| sleep(10000); |
| } |
| |
| public static void stop() { |
| try { |
| messaging.deactivate(); |
| } catch (Exception e) { |
| log.info("Unable to stop client %s", e); |
| } |
| } |
| |
| /** |
| * The type Test netty messaging service. |
| */ |
| public static class TestNettyMessagingService extends NettyMessagingService { |
| /** |
| * Instantiates a new Test netty messaging service. |
| * |
| * @param port the port |
| * @throws Exception the exception |
| */ |
| public TestNettyMessagingService(int port) throws Exception { |
| super(port); |
| } |
| } |
| } |