| /* |
| * Copyright (c) 2003, 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 com.sun.jdi.*; |
| import com.sun.jdi.connect.*; |
| |
| import java.util.Map; |
| import java.util.List; |
| import java.util.Iterator; |
| import java.io.IOException; |
| |
| |
| /* This class is used to test multi VM connectivity feature of |
| * SA/JDI. Accepts two PIDs as arguments. Connects to first VM |
| *, disposes it, connects to second VM, disposes second VM. |
| */ |
| |
| |
| public class serialvm { |
| static AttachingConnector myPIDConn; |
| static VirtualMachine vm1; |
| static VirtualMachine vm2; |
| static VirtualMachineManager vmmgr; |
| |
| public static void println(String msg) { |
| System.out.println(msg); |
| } |
| |
| private static void usage() { |
| System.err.println("Usage: java serialvm <pid1> <pid2>"); |
| System.exit(1); |
| } |
| |
| public static void main(String args[]) { |
| vmmgr = Bootstrap.virtualMachineManager(); |
| List attachingConnectors = vmmgr.attachingConnectors(); |
| if (attachingConnectors.isEmpty()) { |
| System.err.println( "ERROR: No attaching connectors"); |
| return; |
| } |
| Iterator myIt = attachingConnectors.iterator(); |
| while (myIt.hasNext()) { |
| AttachingConnector tmpCon = (AttachingConnector)myIt.next(); |
| if (tmpCon.name().equals( |
| "sun.jvm.hotspot.jdi.SAPIDAttachingConnector")) { |
| myPIDConn = tmpCon; |
| break; |
| } |
| } |
| |
| int pid1 = 0, pid2 = 0; |
| String pidText = null; |
| switch (args.length) { |
| case (2): |
| try { |
| pidText = args[0]; |
| pid1 = Integer.parseInt(pidText); |
| System.out.println( "pid1: " + pid1); |
| pidText = args[1]; |
| pid2 = Integer.parseInt(pidText); |
| System.out.println( "pid2: " + pid2); |
| } catch (NumberFormatException e) { |
| println(e.getMessage()); |
| usage(); |
| } |
| break; |
| default: |
| usage(); |
| } |
| |
| // attach, dispose, attach2, dispose2 pattern |
| // as opposed to attach1, attach2, dispose1, dispose2 |
| vm1 = attachPID(pid1); |
| if (vm1 != null) { |
| System.out.println("vm1: attached ok!"); |
| System.out.println(vm1.version()); |
| sagdoit mine = new sagdoit(vm1); |
| mine.doAll(); |
| } |
| if (vm1 != null) { |
| vm1.dispose(); |
| } |
| |
| vm2 = attachPID(pid2); |
| if (vm2 != null) { |
| System.out.println("vm2: attached ok!"); |
| System.out.println(vm2.version()); |
| sagdoit mine = new sagdoit(vm2); |
| mine.doAll(); |
| } |
| |
| |
| if (vm2 != null) { |
| vm2.dispose(); |
| } |
| } |
| |
| private static VirtualMachine attachPID(int pid) { |
| Map connArgs = myPIDConn.defaultArguments(); |
| System.out.println("connArgs = " + connArgs); |
| VirtualMachine vm; |
| Connector.StringArgument connArg = (Connector.StringArgument)connArgs.get("pid"); |
| connArg.setValue(Integer.toString(pid)); |
| |
| try { |
| vm = myPIDConn.attach(connArgs); |
| } catch (IOException ee) { |
| System.err.println("ERROR: myPIDConn.attach got IO Exception:" + ee); |
| vm = null; |
| } catch (IllegalConnectorArgumentsException ee) { |
| System.err.println("ERROR: myPIDConn.attach got illegal args exception:" + ee); |
| vm = null; |
| } |
| return vm; |
| } |
| } |