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/*
* Copyright (c) 2015, Red Hat Inc
* 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.File;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.UnknownHostException;
import java.net.SocketException;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import jdk.test.lib.thread.ProcessThread;
import jdk.test.lib.process.ProcessTools;
/**
* @test
* @bug 6425769
* @summary Test JMX agent host address binding. Same ports but different
* interfaces to bind to (selecting plain or SSL sockets at random
* @key intermittent
*
* @library /test/lib
* @modules java.management.rmi
*
* @build JMXAgentInterfaceBinding
* @run main/timeout=60 JMXInterfaceBindingTest
*/
public class JMXInterfaceBindingTest {
public static final int COMMUNICATION_ERROR_EXIT_VAL = 1;
public static final int STOP_PROCESS_EXIT_VAL = 10;
public static final int JMX_PORT_RANGE_LOWER = 9100;
public static final int JMX_PORT_RANGE_UPPER = 9200;
public static final int JMX_PORT = getRandomPortInRange(JMX_PORT_RANGE_LOWER,
JMX_PORT_RANGE_UPPER);
public static final int JMX_PORT_RANGE_LOWER_SSL = 9201; // 9200 might be RMI Port
public static final int JMX_PORT_RANGE_UPPER_SSL = 9300;
public static final int JMX_PORT_SSL = getRandomPortInRange(JMX_PORT_RANGE_LOWER_SSL,
JMX_PORT_RANGE_UPPER_SSL);
public static final int RMI_PORT = JMX_PORT + 1;
public static final int RMI_PORT_SSL = JMX_PORT_SSL + 1;
public static final String READY_MSG = "MainThread: Ready for connections";
public static final String TEST_CLASS = JMXAgentInterfaceBinding.class.getSimpleName();
public static final String KEYSTORE_LOC = System.getProperty("test.src", ".") +
File.separator +
"ssl" +
File.separator +
"keystore";
public static final String TRUSTSTORE_LOC = System.getProperty("test.src", ".") +
File.separator +
"ssl" +
File.separator +
"truststore";
public static final String TEST_CLASSPATH = System.getProperty("test.classes", ".");
public void run(List<InetAddress> addrs) {
System.out.println("DEBUG: Running tests with plain sockets.");
runTests(addrs, false);
System.out.println("DEBUG: Running tests with SSL sockets.");
runTests(addrs, true);
}
private void runTests(List<InetAddress> addrs, boolean useSSL) {
List<ProcessThread> jvms = new ArrayList<>(addrs.size());
int i = 1;
for (InetAddress addr : addrs) {
String address = JMXAgentInterfaceBinding.wrapAddress(addr.getHostAddress());
System.out.println();
String msg = String.format("DEBUG: Launching java tester for triplet (HOSTNAME,JMX_PORT,RMI_PORT) == (%s,%d,%d)",
address,
useSSL ? JMX_PORT_SSL : JMX_PORT,
useSSL ? RMI_PORT_SSL : RMI_PORT);
System.out.println(msg);
ProcessThread jvm = runJMXBindingTest(address, useSSL);
jvms.add(jvm);
jvm.start();
System.out.println("DEBUG: Started " + (i++) + " Process(es).");
}
int failedProcesses = 0;
for (ProcessThread pt: jvms) {
try {
pt.sendMessage("Exit: " + STOP_PROCESS_EXIT_VAL);
pt.join();
} catch (Throwable e) {
System.err.println("Failed to stop process: " + pt.getName());
throw new RuntimeException("Test failed", e);
}
int exitValue = pt.getOutput().getExitValue();
// If there is a communication error (the case we care about)
// we get a exit code of 1
if (exitValue == COMMUNICATION_ERROR_EXIT_VAL) {
// Failure case since the java processes should still be
// running.
System.err.println("Test FAILURE on " + pt.getName());
failedProcesses++;
} else if (exitValue == STOP_PROCESS_EXIT_VAL) {
System.out.println("DEBUG: OK. Spawned java process terminated with expected exit code of " + STOP_PROCESS_EXIT_VAL);
} else {
System.err.println("Test FAILURE on " + pt.getName() + " reason: Unexpected exit code => " + exitValue);
failedProcesses++;
}
}
if (failedProcesses > 0) {
throw new RuntimeException("Test FAILED. " + failedProcesses + " out of " + addrs.size() + " process(es) failed to start the JMX agent.");
}
}
private ProcessThread runJMXBindingTest(String address, boolean useSSL) {
List<String> args = new ArrayList<>();
args.add("-classpath");
args.add(TEST_CLASSPATH);
args.add("-Dcom.sun.management.jmxremote.host=" + address);
args.add("-Dcom.sun.management.jmxremote.port=" + (useSSL ? JMX_PORT_SSL : JMX_PORT));
args.add("-Dcom.sun.management.jmxremote.rmi.port=" + (useSSL ? RMI_PORT_SSL : RMI_PORT));
args.add("-Dcom.sun.management.jmxremote.authenticate=false");
args.add("-Dcom.sun.management.jmxremote.ssl=" + Boolean.toString(useSSL));
// This is needed for testing on loopback
args.add("-Djava.rmi.server.hostname=" + address);
if (useSSL) {
args.add("-Dcom.sun.management.jmxremote.registry.ssl=true");
args.add("-Djavax.net.ssl.keyStore=" + KEYSTORE_LOC);
args.add("-Djavax.net.ssl.trustStore=" + TRUSTSTORE_LOC);
args.add("-Djavax.net.ssl.keyStorePassword=password");
args.add("-Djavax.net.ssl.trustStorePassword=trustword");
}
args.add(TEST_CLASS);
args.add(address);
args.add(Integer.toString(useSSL ? JMX_PORT_SSL : JMX_PORT));
args.add(Integer.toString(useSSL ? RMI_PORT_SSL : RMI_PORT));
args.add(Boolean.toString(useSSL));
try {
ProcessBuilder builder = ProcessTools.createJavaProcessBuilder(args.toArray(new String[] {}));
System.out.println(ProcessTools.getCommandLine(builder));
ProcessThread jvm = new ProcessThread("JMX-Tester-" + address, JMXInterfaceBindingTest::isJMXAgentResponseAvailable, builder);
return jvm;
} catch (Exception e) {
throw new RuntimeException("Test failed", e);
}
}
private static boolean isJMXAgentResponseAvailable(String line) {
if (line.equals(READY_MSG)) {
System.out.println("DEBUG: Found expected READY_MSG.");
return true;
} else if (line.startsWith("Error:")) {
// Allow for a JVM process that exits with
// "Error: JMX connector server communication error: ..."
// to continue as well since we handle that case elsewhere.
// This has the effect that the test does not timeout and
// fails with an exception in the test.
System.err.println("PROBLEM: JMX agent of target JVM did not start as it should.");
return true;
} else {
return false;
}
}
private static int getRandomPortInRange(int lower, int upper) {
if (upper <= lower) {
throw new IllegalArgumentException("upper <= lower");
}
int range = upper - lower;
int randPort = lower + (int)(Math.random() * range);
return randPort;
}
public static void main(String[] args) {
List<InetAddress> addrs = getNonLoopbackAddressesForLocalHost();
if (addrs.isEmpty()) {
System.out.println("Ignoring test since no non-loopback IPs are available to bind to " +
"in addition to the loopback interface.");
return;
}
JMXInterfaceBindingTest test = new JMXInterfaceBindingTest();
// Add loopback interface too as we'd like to verify whether it's
// possible to bind to multiple addresses on the same host. This
// wasn't possible prior JDK-6425769. It used to bind to *all* local
// interfaces. We add loopback here, since that eases test setup.
addrs.add(InetAddress.getLoopbackAddress());
test.run(addrs);
System.out.println("All tests PASSED.");
}
private static List<InetAddress> getNonLoopbackAddressesForLocalHost() {
List<InetAddress> addrs = new ArrayList<>();
try {
InetAddress localHost = InetAddress.getLocalHost();
if (!localHost.isLoopbackAddress()) {
addrs.add(localHost);
}
return addrs;
} catch (UnknownHostException e) {
throw new RuntimeException("Test failed", e);
}
}
}
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