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/*
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*
* 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.
*
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*/
/*
* @test
* @bug 8058865
* @summary Checks that a serialized instance is not transmitted from an MXBean.
* All the communication should be done via Open Types
* @author Olivier Lagneau
* @modules java.management
* @library /lib/testlibrary
* @compile Basic.java
* @run main/othervm/timeout=300 -DDEBUG_STANDARD MXBeanWeirdParamTest
*/
import java.util.Map;
import java.util.List;
import java.util.ArrayList;
import java.util.Arrays;
import java.lang.Process;
import java.lang.management.ManagementFactory;
import javax.management.MBeanServer;
import javax.management.MBeanServerConnection;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXConnectorServer;
import javax.management.remote.JMXConnectorServerFactory;
import javax.management.remote.JMXServiceURL;
import javax.management.ObjectName;
import javax.management.openmbean.CompositeType;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.CompositeDataSupport;
import javax.management.openmbean.OpenType;
import javax.management.openmbean.SimpleType;
import javax.management.openmbean.TabularDataSupport;
import javax.management.openmbean.TabularType;
import jdk.testlibrary.ProcessTools;
import jdk.testlibrary.JDKToolFinder;
public class MXBeanWeirdParamTest {
private static String BASIC_MXBEAN_CLASS_NAME = "Basic";
private static final String CLIENT_CLASS_MAIN =
"MXBeanWeirdParamTest$ClientSide";
private JMXConnectorServer cs;
/*
* First Debug properties and arguments are collect in expected
* map (argName, value) format, then calls original test's run method.
*/
public static void main(String args[]) throws Exception {
System.out.println("=================================================");
// Parses parameters
Utils.parseDebugProperties();
Map<String, Object> map = Utils.parseParameters(args) ;
// Run test
MXBeanWeirdParamTest test = new MXBeanWeirdParamTest();
test.run(map);
}
/*
* Create the MBeansServe side of the test and returns its address
*/
private JMXServiceURL createServerSide() throws Exception {
final int NINETY_SECONDS = 90;
// We will use the platform mbean server
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
JMXServiceURL url = new JMXServiceURL("rmi", null, 0);
cs = JMXConnectorServerFactory.newJMXConnectorServer(url, null, mbs);
cs.start();
Utils.waitReady(cs, NINETY_SECONDS);
JMXServiceURL addr = cs.getAddress();
return addr;
}
/*
* Creating command-line for running subprocess JVM:
*
* JVM command line is like:
* {test_jdk}/bin/java {defaultopts} -cp {test.class.path} {testopts} main
*
* {defaultopts} are the default java options set by the framework.
*
*/
private List<String> buildCommandLine() {
List<String> opts = new ArrayList<>();
opts.add(JDKToolFinder.getJDKTool("java"));
opts.addAll(Arrays.asList(jdk.testlibrary.Utils.getTestJavaOpts()));
// We need to set WEIRD_PARAM propertty on the client-side
opts.add("-DWEIRD_PARAM");
opts.add("-cp");
opts.add(System.getProperty("test.class.path", "test.class.path"));
opts.add(CLIENT_CLASS_MAIN);
return opts;
}
/**
* Runs MXBeanWeirdParamTest$ClientSide with the passed options and redirects
* subprocess standard I/O to the current (parent) process. This provides a
* trace of what happens in the subprocess while it is runnning (and before
* it terminates).
*
* @param serviceUrlStr string representing the JMX service Url to connect to.
*/
private int runClientSide(String serviceUrlStr) throws Exception {
// Building command-line
List<String> opts = buildCommandLine();
opts.add(serviceUrlStr);
// Launch separate JVM subprocess
int exitCode = 0;
String[] optsArray = opts.toArray(new String[0]);
ProcessBuilder pb = new ProcessBuilder(optsArray);
Process p = ProcessTools.startProcess("MXBeanWeirdParamTest$ClientSide", pb);
// Handling end of subprocess
try {
exitCode = p.waitFor();
if (exitCode != 0) {
System.out.println(
"Subprocess unexpected exit value of [" + exitCode +
"]. Expected 0.\n");
}
} catch (InterruptedException e) {
System.out.println("Parent process interrupted with exception : \n " + e + " :" );
// Parent thread unknown state, killing subprocess.
p.destroyForcibly();
throw new RuntimeException(
"Parent process interrupted with exception : \n " + e + " :" );
} finally {
return exitCode;
}
}
public void run(Map<String, Object> args) throws Exception {
System.out.println("MXBeanWeirdParamTest::run: Start") ;
int errorCount = 0;
try {
// Initialise the server side
JMXServiceURL urlToUse = createServerSide();
// Run client side
errorCount = runClientSide(urlToUse.toString());
if ( errorCount == 0 ) {
System.out.println("MXBeanWeirdParamTest::run: Done without any error") ;
} else {
System.out.println("MXBeanWeirdParamTest::run: Done with "
+ errorCount
+ " error(s)") ;
throw new RuntimeException("errorCount = " + errorCount);
}
cs.stop();
} catch(Exception e) {
throw new RuntimeException(e);
}
}
private static class ClientSide {
public static void main(String args[]) throws Exception {
int errorCount = 0 ;
String msgTag = "ClientSide::main: ";
try {
// Get a connection to remote mbean server
JMXServiceURL addr = new JMXServiceURL(args[0]);
JMXConnector cc = JMXConnectorFactory.connect(addr);
MBeanServerConnection mbsc = cc.getMBeanServerConnection();
// ----
System.out.println(msgTag + "Create and register the MBean");
ObjectName objName = new ObjectName("sqe:type=Basic,protocol=rmi") ;
mbsc.createMBean(BASIC_MXBEAN_CLASS_NAME, objName);
System.out.println(msgTag +"---- OK\n") ;
// ----
System.out.println(msgTag +"Get attribute SqeParameterAtt on our MXBean");
Object result = mbsc.getAttribute(objName, "SqeParameterAtt");
System.out.println(msgTag +"(OK) Got result of class "
+ result.getClass().getName());
System.out.println(msgTag +"Received CompositeData is " + result);
System.out.println(msgTag +"---- OK\n") ;
// ----
// We use the value returned by getAttribute to perform the invoke.
System.out.println(msgTag +"Call operation doWeird on our MXBean [1]");
mbsc.invoke(objName, "doWeird",
new Object[]{result},
new String[]{"javax.management.openmbean.CompositeData"});
System.out.println(msgTag +"---- OK\n") ;
// ----
// We build the CompositeData ourselves that time.
System.out.println(msgTag +"Call operation doWeird on our MXBean [2]");
String typeName = "SqeParameter";
String[] itemNames = new String[] {"glop"};
OpenType<?>[] openTypes = new OpenType<?>[] {SimpleType.STRING};
CompositeType rowType = new CompositeType(typeName, typeName,
itemNames, itemNames, openTypes);
Object[] itemValues = {"HECTOR"};
CompositeData data =
new CompositeDataSupport(rowType, itemNames, itemValues);
TabularType tabType = new TabularType(typeName, typeName,
rowType, new String[]{"glop"});
TabularDataSupport tds = new TabularDataSupport(tabType);
tds.put(data);
System.out.println(msgTag +"Source CompositeData is " + data);
mbsc.invoke(objName, "doWeird",
new Object[]{data},
new String[]{"javax.management.openmbean.CompositeData"});
System.out.println(msgTag +"---- OK\n") ;
// ----
System.out.println(msgTag +"Unregister the MBean");
mbsc.unregisterMBean(objName);
System.out.println(msgTag +"---- OK\n") ;
// Terminate the JMX Client
cc.close();
} catch(Exception e) {
Utils.printThrowable(e, true) ;
errorCount++;
throw new RuntimeException(e);
} finally {
System.exit(errorCount);
}
}
}
}