/* * 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.
*/
/** * 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.
*/ publicclass RegistryVM extends JavaVM {
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)) { thrownew RuntimeException("runner class must be RegistryRunner"
+ " or its sub class");
}
} catch (ClassNotFoundException ex) { thrownew RuntimeException(ex);
} this.port = port;
}
/** * Create a RegistryVM instance on an ephemeral port. * * @return a RegistryVM instance
*/ publicstatic 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
*/ publicstatic 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
*/ publicstatic 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
*/ publicstatic 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
*/ publicstatic 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
*/ publicvoid 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 publicvoid cleanup() {
RegistryRunner.requestExit(port); super.destroy();
}
/** * Gets the port where the registry is serving. * * @return the port where the registry is serving
*/ publicint getPort() { return port;
}
}
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