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/*
* Copyright (c) 2005, 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.util.Map;
import java.util.HashMap;
import java.util.Properties;
import java.lang.reflect.Method;
import javax.management.remote.JMXConnectorServerMBean;
// utility class for MXBean* tests coming from JMX Tonga test suite
class Utils {
// DEBUG is printed depending on the DEBUG and DEBUG_LEVEL JAVA property
private static final String DEBUG_HEADER = "[debug] ";
// DEBUG levels
private static int selectedDebugLevel = 0;
static final int DEBUG_STANDARD = 1;
static final int DEBUG_VERBOSE = 2; // Mainly used for stress tests
static final int DEBUG_ALL = DEBUG_STANDARD | DEBUG_VERBOSE;
static void parseDebugProperties() {
int level = 0;
Properties p = System.getProperties();
// get selected levels
if (p.getProperty("DEBUG_STANDARD") != null) {
level |= DEBUG_STANDARD;
}
if (p.getProperty("DEBUG_VERBOSE") != null) {
level |= DEBUG_VERBOSE;
}
if (p.getProperty("DEBUG_ALL") != null) {
level |= DEBUG_ALL;
}
selectedDebugLevel = level;
}
/**
* Reproduces the original parsing and collection of test parameters
* from the DTonga JMX test suite.
*
* Collects passed args and returns them in a map(argname, value) structure,
* which will be then propagated as necessary to various called methods.
*/
static Map<String, Object> parseParameters(String args[])
throws Exception {
Utils.debug(DEBUG_STANDARD, "TestRoot::parseParameters: Start");
HashMap<String, Object> map = new HashMap<>();
for ( int i = 0; i < args.length; i++ ) {
if ( args[i].trim().startsWith("-") ) {
if ((i+1) < args.length && !args[i+1].startsWith("-") ) {
Utils.debug(DEBUG_STANDARD,
"TestRoot::parseParameters: added in map = " +
args[i] +
" with value " +
args[i+1]) ;
map.put(args[i].trim(), args[i+1].trim()) ;
} else if ((i+1) < args.length && args[i+1].startsWith("-") ||
(i+1) == args.length ) {
Utils.debug(DEBUG_STANDARD,
"TestRoot::parseParameters: added in map = " +
args[i] +
" with null value") ;
map.put(args[i].trim(), null) ;
} else {
System.out.println(
"TestRoot::parseParameters: (WARNING) not added in map = " +
args[i]) ;
}
}
}
Utils.debug(DEBUG_STANDARD, "TestRoot::parseParameters: Done") ;
return map ;
}
/**
* This method is to be used in all tests to print anything
* that is temporary.
* Printing is done only when debug is activated by the property DEBUG.
* Printing depends also on the DEBUG_LEVEL property.
* Here it encapsulates a System.out.println.
*/
public static void debug(int level, String line) {
if ((selectedDebugLevel & level) != 0) {
System.out.println(DEBUG_HEADER + line);
}
}
/**
* Do print stack trace when withStack is true.
* Does try to call getTargetException() and getTargetError() then
* print embedded stacks in the case of an Exception wrapping
* another Exception or an Error. Recurse until no more wrapping
* is found.
*/
public static void printThrowable(Throwable theThro, boolean withStack) {
try {
if (withStack) {
theThro.printStackTrace(System.out);
}
if (theThro instanceof Exception) {
Exception t = (Exception) theThro;
Method target = null;
String blank = " ";
try {
target = t.getClass().getMethod("getTargetException",
(java.lang.Class<?>[]) null);
} catch (Exception ee) {
// OK: getTargetException method could be there or not
}
System.out.println(blank + t.getClass() + "==>" + t.getMessage());
while (target != null) {
try {
t = (Exception) target.invoke(t,
(java.lang.Object[]) null);
} catch (Exception ee) {
t = null;
}
try {
if (t != null) {
blank = blank + " ";
System.out.println(blank + t.getClass() + "==>" +
t.getMessage());
try {
target =
t.getClass().getMethod("getTargetException",
(java.lang.Class<?>[]) null);
} catch (Exception ee) {
// OK: getTargetException method could be there or not }
}
} else {
target = null;
}
} catch (Exception ee) {
target = null;
}
}
// We may have exceptions wrapping an Error then it is
// getTargetError that is likely to be called
try {
target = ((Exception) theThro).getClass().getMethod("getTargetError",
(java.lang.Class<?>[]) null);
} catch (Exception ee) {
// OK: getTargetError method could be there or not
}
Throwable err = theThro;
while (target != null) {
try {
err = (Error) target.invoke(err,
(java.lang.Object[]) null);
} catch (Exception ee) {
err = null;
}
try {
if (err != null) {
blank = blank + " ";
System.out.println(blank + err.getClass() + "==>" +
err.getMessage());
if (withStack) {
err.printStackTrace(System.out);
}
try {
target = err.getClass().getMethod("getTargetError",
(java.lang.Class<?>[]) null);
} catch (Exception ee) {
// OK: getTargetError method could be there or not
}
} else {
target = null;
}
} catch (Exception ee) {
target = null;
}
}
} else {
System.out.println("Throwable is : " + theThro);
}
} catch (Throwable x) {
System.out.println("Exception : raised in printException : " + x);
}
}
/**
* Wait up to maxTimeInSeconds second(s) the given JMX connector server
* comes up (which means isActive returns true).
* If it fails to do so we throw a RunTime exception.
*/
public static void waitReady(JMXConnectorServerMBean server,
int maxTimeInSeconds) throws Exception {
int elapsed = 0;
while (!server.isActive() && elapsed < maxTimeInSeconds) {
Thread.sleep(1000);
elapsed++;
}
if (server.isActive()) {
String message = "Utils::waitReady: JMX connector server came up";
if ( elapsed == 0) {
message += " immediately";
} else {
message += " after " + elapsed + " seconds";
}
message += " [" + server.getAddress() + "]";
Utils.debug(DEBUG_STANDARD, message);
} else {
String message = "Utils::waitReady: (ERROR) JMX connector" +
" server didn't come up after " + elapsed + " seconds [" +
server.getAddress() + "]";
System.out.println(message);
throw new RuntimeException(message);
}
}
}
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