| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.openejb.itest.failover; |
| |
| import org.apache.openejb.client.RemoteInitialContextFactory; |
| import org.apache.openejb.itest.failover.ejb.Calculator; |
| import org.apache.openejb.loader.Files; |
| import org.apache.openejb.loader.IO; |
| import org.apache.openejb.loader.Zips; |
| import org.apache.openejb.util.OpenEjbVersion; |
| import org.apache.openejb.server.control.StandaloneServer; |
| import org.apache.openejb.util.NetworkUtil; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import javax.ejb.EJBException; |
| import javax.naming.Context; |
| import javax.naming.InitialContext; |
| import javax.naming.NamingException; |
| import java.io.File; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.concurrent.TimeUnit; |
| import java.util.logging.ConsoleHandler; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| |
| /** |
| * In some situations it can be desirable to have |
| * one dedicated multipoint root server which does |
| * no other function other than to serve as a central |
| * hub for making multipoint introductions. |
| * |
| * This dedicate root server will not serve applications |
| * and not be added to the list of servers that can |
| * service EJB requests. |
| */ |
| public class StickyConnectionStrategyTest { |
| |
| static final Logger logger = Logger.getLogger("org.apache.openejb.client"); |
| |
| static { |
| final ConsoleHandler consoleHandler = new ConsoleHandler(); |
| consoleHandler.setLevel(Level.FINER); |
| logger.addHandler(consoleHandler); |
| logger.setLevel(Level.FINER); |
| logger.setUseParentHandlers(false); |
| |
| //Set a high socket timeout for tests |
| System.setProperty("openejb.client.connection.socket.timeout", System.getProperty("openejb.client.connection.socket.timeout", "5000")); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| |
| // To run in an IDE, uncomment and update this line |
| System.setProperty("version", OpenEjbVersion.get().getVersion()); |
| |
| final File zip = Repository.getArtifact("org.apache.tomee", "openejb-standalone", "zip"); |
| final File app = Repository.getArtifact("org.apache.openejb.itests", "failover-ejb", "jar"); |
| |
| final File dir = Files.tmpdir(); |
| |
| final StandaloneServer root; |
| { |
| final StandaloneServer root1; |
| final String name = "root"; |
| final File home = new File(dir, name); |
| |
| Files.mkdir(home); |
| Zips.unzip(zip, home, true); |
| |
| root1 = new StandaloneServer(home, home); |
| root1.killOnExit(); |
| root1.ignoreOut(); |
| root1.getJvmOpts().add("-Dopenejb.classloader.forced-load=org.apache.openejb"); |
| root1.setProperty("name", name); |
| root1.setProperty("openejb.extract.configuration", "false"); |
| |
| final StandaloneServer.ServerService multipoint = root1.getServerService("multipoint"); |
| multipoint.setBind("localhost"); |
| multipoint.setPort(getAvailablePort()); |
| multipoint.setDisabled(false); |
| multipoint.set("discoveryName", name); |
| root = root1; |
| |
| logger.info("Starting Root server"); |
| root.start(); |
| } |
| |
| |
| final Map<String, StandaloneServer> servers = new HashMap<String, StandaloneServer>(); |
| for (final String name : new String[]{"red", "green", "blue"}) { |
| final File home = new File(dir, name); |
| Files.mkdir(home); |
| Zips.unzip(zip, home, true); |
| |
| final StandaloneServer server = new StandaloneServer(home, home); |
| server.killOnExit(); |
| server.ignoreOut(); |
| server.getJvmOpts().add("-Dopenejb.classloader.forced-load=org.apache.openejb"); |
| server.setProperty("name", name); |
| server.setProperty("openejb.extract.configuration", "false"); |
| |
| IO.copy(app, Files.path(home, "apps", "itest.jar")); |
| IO.copy(IO.read("<openejb><Deployments dir=\"apps/\"/></openejb>"), Files.path(home, "conf", "openejb.xml")); |
| |
| final StandaloneServer.ServerService ejbd = server.getServerService("ejbd"); |
| ejbd.setBind("localhost"); |
| ejbd.setDisabled(false); |
| ejbd.setPort(getAvailablePort()); |
| ejbd.setThreads(5); |
| ejbd.set("discovery", "ejb:ejbd://{bind}:{port}/" + name); |
| |
| final StandaloneServer.ServerService multipoint = server.getServerService("multipoint"); |
| multipoint.setPort(getAvailablePort()); |
| multipoint.setDisabled(false); |
| multipoint.set("discoveryName", name); |
| multipoint.set("initialServers", "localhost:" + root.getServerService("multipoint").getPort()); |
| |
| servers.put(name, server); |
| |
| logger.info(String.format("Starting %s server", name)); |
| |
| server.start(1, TimeUnit.MINUTES); |
| |
| invoke(name, server); |
| } |
| |
| System.setProperty("openejb.client.requestretry", "true"); |
| |
| logger.info("Beginning Test"); |
| |
| final Properties environment = new Properties(); |
| environment.put(Context.INITIAL_CONTEXT_FACTORY, RemoteInitialContextFactory.class.getName()); |
| environment.put(Context.PROVIDER_URL, "ejbd://localhost:" + servers.values().iterator().next().getServerService("ejbd").getPort() + "/provider"); |
| |
| final InitialContext context = new InitialContext(environment); |
| final Calculator bean = (Calculator) context.lookup("CalculatorBeanRemote"); |
| |
| |
| String previous = null; |
| for (final StandaloneServer ignored : servers.values()) { |
| |
| logger.info("Looping"); |
| |
| // What server are we talking to now? |
| final String name = bean.name(); |
| |
| logger.info("Sticky request to " + name); |
| |
| // The root should not be serving apps |
| assertFalse("root".equals(name)); |
| |
| // Should not be the same server we were talking with previously (we killed that server) |
| if (previous != null) assertFalse(name.equals(previous)); |
| previous = name; |
| |
| final int i = 1000; |
| |
| logger.info(String.format("Performing %s invocations, expecting %s to be used for each invocation.", i, name)); |
| |
| // Should be the same server for the next N calls |
| invoke(bean, i, name); |
| |
| logger.info("Shutting down " + name); |
| |
| // Now let's kill that server |
| servers.get(name).kill(); |
| } |
| |
| logger.info("All Servers Shutdown"); |
| |
| try { |
| logger.info("Making one last request, expecting complete failover"); |
| |
| final String name = bean.name(); |
| Assert.fail("Server should be destroyed: " + name); |
| } catch (final EJBException e) { |
| logger.info(String.format("Pass. Request resulted in %s: %s", e.getCause().getClass().getSimpleName(), e.getMessage())); |
| // good |
| } |
| |
| |
| // Let's start a server again and invocations should now succeed |
| final Iterator<StandaloneServer> iterator = servers.values().iterator(); |
| iterator.next(); |
| |
| final StandaloneServer server = iterator.next(); |
| |
| logger.info(String.format("Starting %s server", server.getProperties().get("name"))); |
| |
| server.start(1, TimeUnit.MINUTES); |
| |
| logger.info("Performing one more invocation"); |
| |
| assertEquals(5, bean.sum(2, 3)); |
| } |
| |
| private void invoke(final String name, final StandaloneServer server) throws NamingException { |
| final Properties environment = new Properties(); |
| environment.put(Context.INITIAL_CONTEXT_FACTORY, RemoteInitialContextFactory.class.getName()); |
| environment.put(Context.PROVIDER_URL, "ejbd://localhost:" + server.getServerService("ejbd").getPort() + "/" + name); |
| |
| final InitialContext context = new InitialContext(environment); |
| final Calculator bean = (Calculator) context.lookup("CalculatorBeanRemote"); |
| assertEquals(name, bean.name()); |
| } |
| |
| private long invoke(final Calculator bean, final int max, final String expectedName) { |
| |
| long total = 0; |
| |
| for (int i = 0; i < max; i++) { |
| final long start = System.nanoTime(); |
| final String name = bean.name(); |
| Assert.assertEquals(expectedName, name); |
| total += System.nanoTime() - start; |
| } |
| |
| return TimeUnit.NANOSECONDS.toMicros(total / max); |
| } |
| |
| private long invoke(final Calculator bean, final int max) { |
| |
| long total = 0; |
| |
| for (int i = 0; i < max; i++) { |
| final long start = System.nanoTime(); |
| Assert.assertEquals(3, bean.sum(1, 2)); |
| total += System.nanoTime() - start; |
| } |
| |
| return TimeUnit.NANOSECONDS.toMicros(total / max); |
| } |
| |
| private int getAvailablePort() { |
| return NetworkUtil.getNextAvailablePort(); |
| } |
| } |