--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/jdk.jcmd/share/classes/sun/tools/jps/Jps.java Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 2004, 2013, 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. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+package sun.tools.jps;
+
+import java.util.*;
+import java.net.*;
+import sun.jvmstat.monitor.*;
+
+/**
+ * Application to provide a listing of monitorable java processes.
+ *
+ * @author Brian Doherty
+ * @since 1.5
+ */
+public class Jps {
+
+ private static Arguments arguments;
+
+ public static void main(String[] args) {
+ try {
+ arguments = new Arguments(args);
+ } catch (IllegalArgumentException e) {
+ System.err.println(e.getMessage());
+ Arguments.printUsage(System.err);
+ System.exit(1);
+ }
+
+ if (arguments.isHelp()) {
+ Arguments.printUsage(System.err);
+ System.exit(0);
+ }
+
+ try {
+ HostIdentifier hostId = arguments.hostId();
+ MonitoredHost monitoredHost =
+ MonitoredHost.getMonitoredHost(hostId);
+
+ // get the set active JVMs on the specified host.
+ Set<Integer> jvms = monitoredHost.activeVms();
+
+ for (Integer jvm: jvms) {
+ StringBuilder output = new StringBuilder();
+ Throwable lastError = null;
+
+ int lvmid = jvm;
+
+ output.append(String.valueOf(lvmid));
+
+ if (arguments.isQuiet()) {
+ System.out.println(output);
+ continue;
+ }
+
+ MonitoredVm vm = null;
+ String vmidString = "//" + lvmid + "?mode=r";
+
+ String errorString = null;
+
+ try {
+ // Note: The VM associated with the current VM id may
+ // no longer be running so these queries may fail. We
+ // already added the VM id to the output stream above.
+ // If one of the queries fails, then we try to add a
+ // reasonable message to indicate that the requested
+ // info is not available.
+
+ errorString = " -- process information unavailable";
+ VmIdentifier id = new VmIdentifier(vmidString);
+ vm = monitoredHost.getMonitoredVm(id, 0);
+
+ errorString = " -- main class information unavailable";
+ output.append(" " + MonitoredVmUtil.mainClass(vm,
+ arguments.showLongPaths()));
+
+ if (arguments.showMainArgs()) {
+ errorString = " -- main args information unavailable";
+ String mainArgs = MonitoredVmUtil.mainArgs(vm);
+ if (mainArgs != null && mainArgs.length() > 0) {
+ output.append(" " + mainArgs);
+ }
+ }
+ if (arguments.showVmArgs()) {
+ errorString = " -- jvm args information unavailable";
+ String jvmArgs = MonitoredVmUtil.jvmArgs(vm);
+ if (jvmArgs != null && jvmArgs.length() > 0) {
+ output.append(" " + jvmArgs);
+ }
+ }
+ if (arguments.showVmFlags()) {
+ errorString = " -- jvm flags information unavailable";
+ String jvmFlags = MonitoredVmUtil.jvmFlags(vm);
+ if (jvmFlags != null && jvmFlags.length() > 0) {
+ output.append(" " + jvmFlags);
+ }
+ }
+
+ errorString = " -- detach failed";
+ monitoredHost.detach(vm);
+
+ System.out.println(output);
+
+ errorString = null;
+ } catch (URISyntaxException e) {
+ // unexpected as vmidString is based on a validated hostid
+ lastError = e;
+ assert false;
+ } catch (Exception e) {
+ lastError = e;
+ } finally {
+ if (errorString != null) {
+ /*
+ * we ignore most exceptions, as there are race
+ * conditions where a JVM in 'jvms' may terminate
+ * before we get a chance to list its information.
+ * Other errors, such as access and I/O exceptions
+ * should stop us from iterating over the complete set.
+ */
+ output.append(errorString);
+ if (arguments.isDebug()) {
+ if ((lastError != null)
+ && (lastError.getMessage() != null)) {
+ output.append("\n\t");
+ output.append(lastError.getMessage());
+ }
+ }
+ System.out.println(output);
+ if (arguments.printStackTrace()) {
+ lastError.printStackTrace();
+ }
+ continue;
+ }
+ }
+ }
+ } catch (MonitorException e) {
+ if (e.getMessage() != null) {
+ System.err.println(e.getMessage());
+ } else {
+ Throwable cause = e.getCause();
+ if ((cause != null) && (cause.getMessage() != null)) {
+ System.err.println(cause.getMessage());
+ } else {
+ e.printStackTrace();
+ }
+ }
+ System.exit(1);
+ }
+ }
+}