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* 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.
*
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package sun.jvm.hotspot.jdi;
import com.sun.jdi.connect.*;
import com.sun.jdi.Bootstrap;
import com.sun.jdi.VirtualMachine;
import com.sun.jdi.VirtualMachineManager;
import java.io.*;
import java.lang.reflect.*;
import java.net.*;
import java.util.*;
public class SAPIDAttachingConnector extends ConnectorImpl implements AttachingConnector {
static final String ARG_PID = "pid";
private Transport transport;
public SAPIDAttachingConnector(com.sun.tools.jdi.VirtualMachineManagerService ignored) {
this();
}
public SAPIDAttachingConnector() {
super();
// fixme jjh: create resources for the these strings,
addStringArgument(
ARG_PID,
"PID", //getString("sa.pid.label"),
"PID of a Java process", //getString("sa.pid.description");
"",
true);
transport = new Transport() {
public String name() {
return "local process";
}
};
}
// security check to see whether the caller can perform attach
private void checkProcessAttach(int pid) {
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
String os = System.getProperty("os.name");
try {
// Whether the caller can perform link against SA native library?
checkNativeLink(sm, os);
if (os.equals("SunOS") || os.equals("Linux")) {
// Whether the caller can read /proc/<pid> file?
sm.checkRead("/proc/" + pid);
}
} catch (SecurityException se) {
throw new SecurityException("permission denied to attach to " + pid);
}
}
}
private VirtualMachine createVirtualMachine(Class virtualMachineImplClass, int pid)
throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
java.lang.reflect.Method createByPIDMethod
= virtualMachineImplClass.getMethod("createVirtualMachineForPID",
new Class[] {
VirtualMachineManager.class,
Integer.TYPE, Integer.TYPE
});
return (VirtualMachine) createByPIDMethod.invoke(null,
new Object[] {
Bootstrap.virtualMachineManager(),
new Integer(pid),
new Integer(0)
});
}
public VirtualMachine attach(Map arguments) throws IOException,
IllegalConnectorArgumentsException {
int pid = 0;
try {
pid = Integer.parseInt(argument(ARG_PID, arguments).value());
} catch (NumberFormatException nfe) {
throw (IllegalConnectorArgumentsException) new IllegalConnectorArgumentsException
(nfe.getMessage(), ARG_PID).initCause(nfe);
}
checkProcessAttach(pid);
VirtualMachine myVM = null;
try {
try {
Class vmImplClass = loadVirtualMachineImplClass();
myVM = createVirtualMachine(vmImplClass, pid);
} catch (InvocationTargetException ite) {
Class vmImplClass = handleVMVersionMismatch(ite);
if (vmImplClass != null) {
return createVirtualMachine(vmImplClass, pid);
} else {
throw ite;
}
}
} catch (Exception ee) {
if (DEBUG) {
System.out.println("VirtualMachineImpl() got an exception:");
ee.printStackTrace();
System.out.println("pid = " + pid);
}
throw (IOException) new IOException().initCause(ee);
}
setVMDisposeObserver(myVM);
return myVM;
}
public String name() {
return "sun.jvm.hotspot.jdi.SAPIDAttachingConnector";
}
public String description() {
return getString("This connector allows you to attach to a Java process using the Serviceability Agent");
}
public Transport transport() {
return transport;
}
}