--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/management/jmxremote/startstop/JMXStatusPerfCountersTest.java Fri Apr 03 15:39:38 2015 +0200
@@ -0,0 +1,188 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.io.IOException;
+import java.net.BindException;
+import java.util.Properties;
+import java.util.function.Predicate;
+import static org.testng.Assert.*;
+import org.testng.annotations.AfterMethod;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.Test;
+
+import jdk.testlibrary.ProcessTools;
+
+
+/**
+ * @test
+ * @bug 8075926
+ * @summary Makes sure that the current management agent status is reflected
+ * in the related performance counters.
+ * @library /lib/testlibrary
+ * @build jdk.testlibrary.* PortAllocator TestApp ManagementAgentJcmd
+ * @run testng/othervm -XX:+UsePerfData JMXStatusPerfCountersTest
+ */
+public class JMXStatusPerfCountersTest {
+ private final static String TEST_APP_NAME = "TestApp";
+
+ private final static String REMOTE_STATUS_KEY = "sun.management.JMXConnectorServer.remote.enabled";
+
+ private static ProcessBuilder testAppPb;
+ private Process testApp;
+
+ private ManagementAgentJcmd jcmd;
+
+ @BeforeClass
+ public static void setupClass() throws Exception {
+ testAppPb = ProcessTools.createJavaProcessBuilder(
+ "-XX:+UsePerfData",
+ "-cp", System.getProperty("test.class.path"),
+ TEST_APP_NAME
+ );
+ }
+
+ @BeforeTest
+ public void setup() {
+ jcmd = new ManagementAgentJcmd(TEST_APP_NAME, false);
+ }
+
+ @BeforeMethod
+ public void startTestApp() throws Exception {
+ testApp = ProcessTools.startProcess(
+ TEST_APP_NAME, testAppPb,
+ (Predicate<String>)l->l.trim().equals("main enter")
+ );
+ }
+
+ @AfterMethod
+ public void stopTestApp() throws Exception {
+ testApp.getOutputStream().write(1);
+ testApp.getOutputStream().flush();
+ testApp.waitFor();
+ testApp = null;
+ }
+
+ /**
+ * The 'sun.management.JMXConnectorServer.remote.enabled' counter must not be
+ * exported if the remote agent is not enabled.
+ * @throws Exception
+ */
+ @Test
+ public void testNotInitializedRemote() throws Exception {
+ assertFalse(
+ getCounters().containsKey(REMOTE_STATUS_KEY),
+ "Unexpected occurrence of " + REMOTE_STATUS_KEY + " in perf counters"
+ );
+ }
+
+ /**
+ * After enabling the remote agent the 'sun.management.JMXConnectorServer.remote.enabled'
+ * counter will be exported with value of '0' - corresponding to the actual
+ * version of the associated remote connector perf counters.
+ * @throws Exception
+ */
+ @Test
+ public void testRemoteEnabled() throws Exception {
+ while (true) {
+ try {
+ int[] ports = PortAllocator.allocatePorts(1);
+ jcmd.start(
+ "jmxremote.port=" + ports[0],
+ "jmxremote.authenticate=false",
+ "jmxremote.ssl=false"
+ );
+ String v = getCounters().getProperty(REMOTE_STATUS_KEY);
+ assertNotNull(v);
+ assertEquals("0", v);
+ return;
+ } catch (BindException e) {
+ System.out.println("Failed to allocate ports. Retrying ...");
+ }
+ }
+ }
+
+ /**
+ * After disabling the remote agent the value of 'sun.management.JMXConnectorServer.remote.enabled'
+ * counter will become '-1'.
+ * @throws Exception
+ */
+ @Test
+ public void testRemoteDisabled() throws Exception {
+ while (true) {
+ try {
+ int[] ports = PortAllocator.allocatePorts(1);
+ jcmd.start(
+ "jmxremote.port=" + ports[0],
+ "jmxremote.authenticate=false",
+ "jmxremote.ssl=false"
+ );
+ jcmd.stop();
+ String v = getCounters().getProperty(REMOTE_STATUS_KEY);
+ assertNotNull(v);
+ assertEquals("-1", v);
+ return;
+ } catch (BindException e) {
+ System.out.println("Failed to allocate ports. Retrying ...");
+ }
+ }
+ }
+
+ /**
+ * Each subsequent re-enablement of the remote agent must keep the value of
+ * 'sun.management.JMXConnectorServer.remote.enabled' counter in sync with
+ * the actual version of the associated remote connector perf counters.
+ * @throws Exception
+ */
+ @Test
+ public void testRemoteReEnabled() throws Exception {
+ while (true) {
+ try {
+ int[] ports = PortAllocator.allocatePorts(1);
+ jcmd.start(
+ "jmxremote.port=" + ports[0],
+ "jmxremote.authenticate=false",
+ "jmxremote.ssl=false"
+ );
+ jcmd.stop();
+ jcmd.start(
+ "jmxremote.port=" + ports[0],
+ "jmxremote.authenticate=false",
+ "jmxremote.ssl=false"
+ );
+
+ String v = getCounters().getProperty(REMOTE_STATUS_KEY);
+ assertNotNull(v);
+ assertEquals("1", v);
+ return;
+ } catch (BindException e) {
+ System.out.println("Failed to allocate ports. Retrying ...");
+ }
+ }
+ }
+
+ private Properties getCounters() throws IOException, InterruptedException {
+ return jcmd.perfCounters("sun\\.management\\.JMXConnectorServer\\..*");
+ }
+}
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