| /* |
| * Copyright (c) 2002, 2004, 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. |
| * |
| */ |
| |
| 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; |
| } |
| } |