1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * The contents of this file are subject to the terms of either the Universal Permissive License 7 * v 1.0 as shown at http://oss.oracle.com/licenses/upl 8 * 9 * or the following license: 10 * 11 * Redistribution and use in source and binary forms, with or without modification, are permitted 12 * provided that the following conditions are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions 15 * and the following disclaimer. 16 * 17 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of 18 * conditions and the following disclaimer in the documentation and/or other materials provided with 19 * the distribution. 20 * 21 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to 22 * endorse or promote products derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 26 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 27 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY 31 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 package org.openjdk.jmc.rjmx.test; 34 35 import static org.junit.Assert.assertEquals; 36 37 import java.io.IOException; 38 39 import javax.management.MBeanServerConnection; 40 import javax.management.remote.JMXServiceURL; 41 42 import org.junit.Test; 43 44 import org.openjdk.jmc.rjmx.ConnectionDescriptorBuilder; 45 import org.openjdk.jmc.rjmx.ConnectionToolkit; 46 import org.openjdk.jmc.rjmx.IConnectionDescriptor; 47 import org.openjdk.jmc.rjmx.IConnectionHandle; 48 import org.openjdk.jmc.rjmx.IServerHandle; 49 import org.openjdk.jmc.rjmx.internal.JMXConnectionDescriptor; 50 import org.openjdk.jmc.rjmx.subscription.IMRISubscription; 51 import org.openjdk.jmc.rjmx.subscription.IMRIValueListener; 52 import org.openjdk.jmc.rjmx.subscription.ISubscriptionService; 53 import org.openjdk.jmc.rjmx.subscription.MRI; 54 import org.openjdk.jmc.rjmx.subscription.MRI.Type; 55 import org.openjdk.jmc.rjmx.subscription.MRIValueEvent; 56 import org.openjdk.jmc.rjmx.subscription.PolicyFactory; 57 58 /** 59 * Basic tests for the new cleaned up RJMX API. 60 */ 61 public class BasicCommunicationTest extends ServerHandleTestCase { 62 final static int DEFAULT_PORT = 0; 63 final static String DEFAULT_HOST = "localhost".intern(); //$NON-NLS-1$ 64 final static String ALTERNATIVE_HOST = "127.1.0.1".intern(); //$NON-NLS-1$ 65 66 /** 67 * Attempts creating a {@link JMXConnectionDescriptor} with a bunch of options. 68 */ 69 @Test 70 public void testCreateJMXDescriptor() throws IOException { 71 IConnectionDescriptor descriptor = LocalRJMXTestToolkit.createDefaultDescriptor(); 72 JMXServiceURL url = descriptor.createJMXServiceURL(); 73 assertEquals(DEFAULT_HOST, ConnectionToolkit.getHostName(url)); 74 assertEquals(DEFAULT_PORT, ConnectionToolkit.getPort(url)); 75 } 76 77 @Test 78 public void testIConnectionHandle() throws Exception { 79 IConnectionHandle handle = getDefaultServer().connect("Test"); //$NON-NLS-1$ 80 MRI descriptor = new MRI(Type.ATTRIBUTE, "java.lang:type=Threading", //$NON-NLS-1$ 81 "ThreadCount"); //$NON-NLS-1$ 82 MBeanServerConnection connection = handle.getServiceOrThrow(MBeanServerConnection.class); 83 assertBetween(1L, 1000L, 84 ((Number) connection.getAttribute(descriptor.getObjectName(), descriptor.getDataPath())).longValue()); 85 handle.close(); 86 } 87 88 @Test 89 public void testServerHandle() throws Exception { 90 IConnectionHandle handle = getDefaultServer().connect("Test"); //$NON-NLS-1$ 91 92 assertEquals(1, getDefaultServer().getConnectionHandles().length); 93 assertEquals(handle, getDefaultServer().getConnectionHandles()[0]); 94 95 handle.close(); 96 assertEquals(0, getDefaultServer().getConnectionHandles().length); 97 } 98 99 protected void muppTestConnection() throws Exception { 100 ConnectionDescriptorBuilder builder = new ConnectionDescriptorBuilder(); 101 IConnectionDescriptor descriptor = builder.hostName("localhost").port(0).build(); //$NON-NLS-1$ 102 IConnectionHandle handle = IServerHandle.create(descriptor).connect("Test"); //$NON-NLS-1$ 103 104 ISubscriptionService service = handle.getServiceOrThrow(ISubscriptionService.class); 105 MRI attribute = new MRI(Type.ATTRIBUTE, "java.lang:type=Threading", //$NON-NLS-1$ 106 "ThreadCount"); //$NON-NLS-1$ 107 service.addMRIValueListener(attribute, new IMRIValueListener() { 108 @Override 109 public void valueChanged(MRIValueEvent event) { 110 System.out.println(event.getValue()); 111 } 112 }); 113 114 IMRISubscription subscription = service.getMRISubscription(attribute); 115 subscription.setUpdatePolicy(PolicyFactory.createSimpleUpdatePolicy(1500)); 116 117 Thread.sleep(5000); 118 handle.close(); 119 } 120 }