| /* ThreadReferenceCommandSet.java -- class to implement the ThreadReference |
| Command Set Copyright (C) 2005 Free Software Foundation |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.classpath.jdwp.processor; |
| |
| import gnu.classpath.jdwp.JdwpConstants; |
| import gnu.classpath.jdwp.VMFrame; |
| import gnu.classpath.jdwp.VMVirtualMachine; |
| import gnu.classpath.jdwp.exception.JdwpException; |
| import gnu.classpath.jdwp.exception.JdwpInternalErrorException; |
| import gnu.classpath.jdwp.exception.NotImplementedException; |
| import gnu.classpath.jdwp.id.ObjectId; |
| import gnu.classpath.jdwp.id.ThreadId; |
| import gnu.classpath.jdwp.util.JdwpString; |
| import gnu.classpath.jdwp.util.Location; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| |
| /** |
| * A class representing the ThreadReference Command Set. |
| * |
| * @author Aaron Luchko <aluchko@redhat.com> |
| */ |
| public class ThreadReferenceCommandSet |
| extends CommandSet |
| { |
| public boolean runCommand(ByteBuffer bb, DataOutputStream os, byte command) |
| throws JdwpException |
| { |
| try |
| { |
| switch (command) |
| { |
| case JdwpConstants.CommandSet.ThreadReference.NAME: |
| executeName(bb, os); |
| break; |
| case JdwpConstants.CommandSet.ThreadReference.SUSPEND: |
| executeSuspend(bb, os); |
| break; |
| case JdwpConstants.CommandSet.ThreadReference.RESUME: |
| executeResume(bb, os); |
| break; |
| case JdwpConstants.CommandSet.ThreadReference.STATUS: |
| executeStatus(bb, os); |
| break; |
| case JdwpConstants.CommandSet.ThreadReference.THREAD_GROUP: |
| executeThreadGroup(bb, os); |
| break; |
| case JdwpConstants.CommandSet.ThreadReference.FRAMES: |
| executeFrames(bb, os); |
| break; |
| case JdwpConstants.CommandSet.ThreadReference.FRAME_COUNT: |
| executeFrameCount(bb, os); |
| break; |
| case JdwpConstants.CommandSet.ThreadReference.OWNED_MONITORS: |
| executeOwnedMonitors(bb, os); |
| break; |
| case JdwpConstants.CommandSet.ThreadReference.CURRENT_CONTENDED_MONITOR: |
| executeCurrentContendedMonitor(bb, os); |
| break; |
| case JdwpConstants.CommandSet.ThreadReference.STOP: |
| executeStop(bb, os); |
| break; |
| case JdwpConstants.CommandSet.ThreadReference.INTERRUPT: |
| executeInterrupt(bb, os); |
| break; |
| case JdwpConstants.CommandSet.ThreadReference.SUSPEND_COUNT: |
| executeSuspendCount(bb, os); |
| break; |
| default: |
| throw new NotImplementedException("Command " + command + |
| " not found in Thread Reference Command Set."); |
| } |
| } |
| catch (IOException ex) |
| { |
| // The DataOutputStream we're using isn't talking to a socket at all |
| // So if we throw an IOException we're in serious trouble |
| throw new JdwpInternalErrorException(ex); |
| } |
| |
| return false; |
| } |
| |
| private void executeName(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| ThreadId tid = (ThreadId) idMan.readObjectId(bb); |
| Thread thread = tid.getThread(); |
| JdwpString.writeString(os, thread.getName()); |
| } |
| |
| private void executeSuspend(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| ThreadId tid = (ThreadId) idMan.readObjectId(bb); |
| Thread thread = tid.getThread(); |
| VMVirtualMachine.suspendThread(thread); |
| } |
| |
| private void executeResume(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| ThreadId tid = (ThreadId) idMan.readObjectId(bb); |
| Thread thread = tid.getThread(); |
| VMVirtualMachine.suspendThread(thread); |
| } |
| |
| private void executeStatus(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| ThreadId tid = (ThreadId) idMan.readObjectId(bb); |
| Thread thread = tid.getThread(); |
| int threadStatus = VMVirtualMachine.getThreadStatus(thread); |
| // There's only one possible SuspendStatus... |
| int suspendStatus = JdwpConstants.SuspendStatus.SUSPENDED; |
| |
| os.writeInt(threadStatus); |
| os.writeInt(suspendStatus); |
| } |
| |
| private void executeThreadGroup(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| ThreadId tid = (ThreadId) idMan.readObjectId(bb); |
| Thread thread = tid.getThread(); |
| ThreadGroup group = thread.getThreadGroup(); |
| ObjectId groupId = idMan.getObjectId(group); |
| groupId.write(os); |
| } |
| |
| private void executeFrames(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| ThreadId tid = (ThreadId) idMan.readObjectId(bb); |
| Thread thread = tid.getThread(); |
| int startFrame = bb.getInt(); |
| int length = bb.getInt(); |
| |
| ArrayList frames = VMVirtualMachine.getFrames(thread, startFrame, length); |
| os.writeInt(frames.size()); |
| for (int i = 0; i < frames.size(); i++) |
| { |
| VMFrame frame = (VMFrame) frames.get(i); |
| os.writeLong(frame.getId()); |
| Location loc = frame.getLocation(); |
| loc.write(os); |
| } |
| } |
| |
| private void executeFrameCount(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| ThreadId tid = (ThreadId) idMan.readObjectId(bb); |
| Thread thread = tid.getThread(); |
| |
| int frameCount = VMVirtualMachine.getFrameCount(thread); |
| os.writeInt(frameCount); |
| } |
| |
| private void executeOwnedMonitors(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException |
| { |
| // This command is optional, determined by VirtualMachines CapabilitiesNew |
| // so we'll leave it till later to implement |
| throw new NotImplementedException( |
| "Command OwnedMonitors not implemented."); |
| } |
| |
| private void executeCurrentContendedMonitor(ByteBuffer bb, |
| DataOutputStream os) |
| throws JdwpException |
| { |
| // This command is optional, determined by VirtualMachines CapabilitiesNew |
| // so we'll leave it till later to implement |
| throw new NotImplementedException( |
| "Command CurrentContentedMonitors not implemented."); |
| } |
| |
| private void executeStop(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| ThreadId tid = (ThreadId) idMan.readObjectId(bb); |
| Thread thread = tid.getThread(); |
| ObjectId exception = idMan.readObjectId(bb); |
| Throwable throwable = (Throwable) exception.getObject(); |
| thread.stop (throwable); |
| } |
| |
| private void executeInterrupt(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| ThreadId tid = (ThreadId) idMan.readObjectId(bb); |
| Thread thread = tid.getThread(); |
| thread.interrupt(); |
| } |
| |
| private void executeSuspendCount(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| ThreadId tid = (ThreadId) idMan.readObjectId(bb); |
| Thread thread = tid.getThread(); |
| int suspendCount = VMVirtualMachine.getSuspendCount(thread); |
| os.writeInt(suspendCount); |
| } |
| } |