134 lines
4.3 KiB
Java
134 lines
4.3 KiB
Java
/*
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* Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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import com.sun.jdi.*;
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import com.sun.jdi.connect.*;
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import java.util.Map;
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import java.util.List;
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import java.util.Iterator;
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import java.io.IOException;
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/* This class is used to test multi VM connectivity feature of
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* SA/JDI. Accepts two PIDs as arguments. Connects to first VM
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*, Connects to second VM and disposes them in that order.
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*/
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public class multivm {
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static AttachingConnector myPIDConn;
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static VirtualMachine vm1;
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static VirtualMachine vm2;
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static VirtualMachineManager vmmgr;
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public static void println(String msg) {
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System.out.println(msg);
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}
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private static void usage() {
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System.err.println("Usage: java multivm <pid1> <pid2>");
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System.exit(1);
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}
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public static void main(String args[]) {
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vmmgr = Bootstrap.virtualMachineManager();
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List attachingConnectors = vmmgr.attachingConnectors();
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if (attachingConnectors.isEmpty()) {
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System.err.println( "ERROR: No attaching connectors");
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return;
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}
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Iterator myIt = attachingConnectors.iterator();
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while (myIt.hasNext()) {
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AttachingConnector tmpCon = (AttachingConnector)myIt.next();
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if (tmpCon.name().equals(
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"sun.jvm.hotspot.jdi.SAPIDAttachingConnector")) {
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myPIDConn = tmpCon;
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break;
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}
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}
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int pid1 = 0, pid2 = 0;
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String pidText = null;
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switch (args.length) {
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case (2):
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try {
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pidText = args[0];
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pid1 = Integer.parseInt(pidText);
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System.out.println( "pid1: " + pid1);
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vm1 = attachPID(pid1);
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pidText = args[1];
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pid2 = Integer.parseInt(pidText);
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System.out.println( "pid2: " + pid2);
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vm2 = attachPID(pid2);
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} catch (NumberFormatException e) {
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println(e.getMessage());
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usage();
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}
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break;
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default:
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usage();
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}
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if (vm1 != null) {
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System.out.println("vm1: attached ok!");
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System.out.println(vm1.version());
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sagdoit mine = new sagdoit(vm1);
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mine.doAll();
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}
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if (vm2 != null) {
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System.out.println("vm2: attached ok!");
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System.out.println(vm2.version());
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sagdoit mine = new sagdoit(vm2);
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mine.doAll();
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}
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if (vm1 != null) {
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vm1.dispose();
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}
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if (vm2 != null) {
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vm2.dispose();
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}
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}
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private static VirtualMachine attachPID(int pid) {
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Map connArgs = myPIDConn.defaultArguments();
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System.out.println("connArgs = " + connArgs);
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VirtualMachine vm;
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Connector.StringArgument connArg = (Connector.StringArgument)connArgs.get("pid");
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connArg.setValue(Integer.toString(pid));
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try {
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vm = myPIDConn.attach(connArgs);
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} catch (IOException ee) {
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System.err.println("ERROR: myPIDConn.attach got IO Exception:" + ee);
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vm = null;
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} catch (IllegalConnectorArgumentsException ee) {
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System.err.println("ERROR: myPIDConn.attach got illegal args exception:" + ee);
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vm = null;
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}
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return vm;
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}
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}
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