0N/A/*
3573N/A * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage sun.tools.jps;
0N/A
0N/Aimport java.util.*;
0N/Aimport java.net.*;
0N/Aimport sun.jvmstat.monitor.*;
0N/A
0N/A/**
0N/A * Application to provide a listing of monitorable java processes.
0N/A *
0N/A * @author Brian Doherty
0N/A * @since 1.5
0N/A */
0N/Apublic class Jps {
0N/A
0N/A private static Arguments arguments;
0N/A
0N/A public static void main(String[] args) {
0N/A try {
0N/A arguments = new Arguments(args);
0N/A } catch (IllegalArgumentException e) {
0N/A System.err.println(e.getMessage());
0N/A Arguments.printUsage(System.err);
0N/A return;
0N/A }
0N/A
0N/A if (arguments.isHelp()) {
0N/A Arguments.printUsage(System.out);
0N/A System.exit(0);
0N/A }
0N/A
0N/A try {
0N/A HostIdentifier hostId = arguments.hostId();
0N/A MonitoredHost monitoredHost =
0N/A MonitoredHost.getMonitoredHost(hostId);
0N/A
0N/A // get the set active JVMs on the specified host.
0N/A Set jvms = monitoredHost.activeVms();
0N/A
0N/A for (Iterator j = jvms.iterator(); j.hasNext(); /* empty */ ) {
0N/A StringBuilder output = new StringBuilder();
0N/A Throwable lastError = null;
0N/A
0N/A int lvmid = ((Integer)j.next()).intValue();
0N/A
0N/A output.append(String.valueOf(lvmid));
0N/A
0N/A if (arguments.isQuiet()) {
0N/A System.out.println(output);
0N/A continue;
0N/A }
0N/A
0N/A MonitoredVm vm = null;
0N/A String vmidString = "//" + lvmid + "?mode=r";
0N/A
3573N/A String errorString = null;
3573N/A
0N/A try {
3573N/A // Note: The VM associated with the current VM id may
3573N/A // no longer be running so these queries may fail. We
3573N/A // already added the VM id to the output stream above.
3573N/A // If one of the queries fails, then we try to add a
3573N/A // reasonable message to indicate that the requested
3573N/A // info is not available.
3573N/A
3573N/A errorString = " -- process information unavailable";
0N/A VmIdentifier id = new VmIdentifier(vmidString);
0N/A vm = monitoredHost.getMonitoredVm(id, 0);
3573N/A
3573N/A errorString = " -- main class information unavailable";
3573N/A output.append(" " + MonitoredVmUtil.mainClass(vm,
3573N/A arguments.showLongPaths()));
3573N/A
3573N/A if (arguments.showMainArgs()) {
3573N/A errorString = " -- main args information unavailable";
3573N/A String mainArgs = MonitoredVmUtil.mainArgs(vm);
3573N/A if (mainArgs != null && mainArgs.length() > 0) {
3573N/A output.append(" " + mainArgs);
3573N/A }
3573N/A }
3573N/A if (arguments.showVmArgs()) {
3573N/A errorString = " -- jvm args information unavailable";
3573N/A String jvmArgs = MonitoredVmUtil.jvmArgs(vm);
3573N/A if (jvmArgs != null && jvmArgs.length() > 0) {
3573N/A output.append(" " + jvmArgs);
3573N/A }
3573N/A }
3573N/A if (arguments.showVmFlags()) {
3573N/A errorString = " -- jvm flags information unavailable";
3573N/A String jvmFlags = MonitoredVmUtil.jvmFlags(vm);
3573N/A if (jvmFlags != null && jvmFlags.length() > 0) {
3573N/A output.append(" " + jvmFlags);
3573N/A }
3573N/A }
3573N/A
3573N/A errorString = " -- detach failed";
3573N/A monitoredHost.detach(vm);
3573N/A
3573N/A System.out.println(output);
3573N/A
3573N/A errorString = null;
0N/A } catch (URISyntaxException e) {
0N/A // unexpected as vmidString is based on a validated hostid
0N/A lastError = e;
0N/A assert false;
0N/A } catch (Exception e) {
0N/A lastError = e;
0N/A } finally {
3573N/A if (errorString != null) {
0N/A /*
0N/A * we ignore most exceptions, as there are race
0N/A * conditions where a JVM in 'jvms' may terminate
0N/A * before we get a chance to list its information.
0N/A * Other errors, such as access and I/O exceptions
0N/A * should stop us from iterating over the complete set.
0N/A */
3573N/A output.append(errorString);
0N/A if (arguments.isDebug()) {
0N/A if ((lastError != null)
0N/A && (lastError.getMessage() != null)) {
0N/A output.append("\n\t");
0N/A output.append(lastError.getMessage());
0N/A }
0N/A }
0N/A System.out.println(output);
0N/A if (arguments.printStackTrace()) {
0N/A lastError.printStackTrace();
0N/A }
0N/A continue;
0N/A }
0N/A }
0N/A }
0N/A } catch (MonitorException e) {
0N/A if (e.getMessage() != null) {
0N/A System.err.println(e.getMessage());
0N/A } else {
0N/A Throwable cause = e.getCause();
0N/A if ((cause != null) && (cause.getMessage() != null)) {
0N/A System.err.println(cause.getMessage());
0N/A } else {
0N/A e.printStackTrace();
0N/A }
0N/A }
0N/A }
0N/A }
0N/A}