/*
* 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;
}
}