/*
* Copyright ( c ) 2017 , 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.OutputStream;
import java.io.IOException;
/**
* Class to run and control registry / rmiregistry in a sub - process .
* The behaviour changes when use different runner , currently
* there are 2 built - in runners , RegistryRunner and RMIRegistryRunner .
*
* We can ' t kill a registry if we have too - close control
* over it . We must make it in a subprocess , and then kill the
* subprocess when it has served our needs .
*/
public class RegistryVM extends JavaVM {
private static final double START_TIMEOUT =
20 _000 * TestLibrary.getTimeoutFactor();
private static final String DEFAULT_RUNNER = "RegistryRunner" ;
private int port = -1 ;
private RegistryVM(String runner, OutputStream out, OutputStream err,
String options, int port) {
super (runner, options, Integer.toString(port), out, err);
try {
Class runnerClass = Class .forName(runner);
if (!RegistryRunner.class .isAssignableFrom(runnerClass)) {
throw new RuntimeException("runner class must be RegistryRunner"
+ " or its sub class" );
}
} catch (ClassNotFoundException ex) {
throw new RuntimeException(ex);
}
this .port = port;
}
/**
* Create a RegistryVM instance on an ephemeral port .
*
* @ return a RegistryVM instance
*/
public static RegistryVM createRegistryVM() {
return createRegistryVMWithRunner(DEFAULT_RUNNER, System.out, System.err, "" , 0 );
}
/**
* Create a RegistryVM instance on an ephemeral port with additional
* command line options .
*
* @ param options command line options
* @ return a RegistryVM instance
*/
public static RegistryVM createRegistryVM(String options) {
return createRegistryVMWithRunner(
DEFAULT_RUNNER, System.out, System.err, options, 0 );
}
/**
* Create a RegistryVM instance on a specified port capturing stdout and
* stderr with additional command line options .
*
* @ param out the OutputStream where the normal output of the
* registry subprocess goes
* @ param err the OutputStream where the error output of the
* registry subprocess goes
* @ param options the command line options
* @ param port the port on which Registry accepts requests
* @ return a RegistryVM instance
*/
public static RegistryVM createRegistryVM(OutputStream out, OutputStream err,
String options, int port) {
return createRegistryVMWithRunner(DEFAULT_RUNNER, out, err, options, port);
}
/**
* Create a RegistryVM instance on an ephemeral port with additional
* command line options and a specified runner .
*
* @ param runner the runner class name
* @ param options command line options
* @ return a RegistryVM instance
*/
public static RegistryVM createRegistryVMWithRunner(String runner, String options) {
return createRegistryVMWithRunner(runner, System.out, System.err, options, 0 );
}
/**
* Create a RegistryVM instance on a specified port capturing stdout and
* stderr with additional command line options and a specified runner .
*
* @ param runner the runner class name
* @ param out the OutputStream where the normal output of the
* registry subprocess goes
* @ param err the OutputStream where the error output of the
* registry subprocess goes
* @ param options the command line options
* @ param port the port on which Registry accepts requests
* @ return a RegistryVM instance
*/
public static RegistryVM createRegistryVMWithRunner(String runner, OutputStream out,
OutputStream err, String options, int port) {
options += " --add-exports=java.rmi/sun.rmi.registry=ALL-UNNAMED"
+ " --add-exports=java.rmi/sun.rmi.server=ALL-UNNAMED"
+ " --add-exports=java.rmi/sun.rmi.transport=ALL-UNNAMED"
+ " --add-exports=java.rmi/sun.rmi.transport.tcp=ALL-UNNAMED" ;
RegistryVM reg = new RegistryVM(runner, out, err, options, port);
reg.setPolicyFile(TestParams.defaultRegistryPolicy);
return reg;
}
/**
* Starts the registry in a sub - process and waits up to
* the given timeout period to confirm that it ' s running ,
* and get the port where it ' s running .
*
* @ throws IOException if fails to start subprocess
*/
public void start() throws IOException {
super .start();
long startTime = System.currentTimeMillis();
long deadline = TestLibrary.computeDeadline(startTime, (long )START_TIMEOUT);
while (true ) {
try {
Thread .sleep(1000 );
} catch (InterruptedException ignore) { }
String output = outputStream.ba.toString();
port = RegistryRunner.getRegistryPort(output);
if (port != -1 ) {
break ;
}
try {
int exit = vm.exitValue();
TestLibrary.bomb("[RegistryVM] registry sub-process exited with status "
+ exit + "." );
} catch (IllegalThreadStateException ignore) { }
if (System.currentTimeMillis() > deadline) {
TestLibrary.bomb("Failed to start registry, giving up after " +
(System.currentTimeMillis() - startTime) + "ms." , null );
}
}
}
/**
* Shuts down the registry .
*/
@Override
public void cleanup() {
RegistryRunner.requestExit(port);
super .destroy();
}
/**
* Gets the port where the registry is serving .
*
* @ return the port where the registry is serving
*/
public int getPort() {
return port;
}
}
Messung V0.5 in Prozent C=94 H=86 G=89
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-11)
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