| /* EventRequestCommandSet.java -- class to implement the EventRequest 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 |
| 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.event.EventManager; |
| import gnu.classpath.jdwp.event.EventRequest; |
| import gnu.classpath.jdwp.event.filters.ClassExcludeFilter; |
| import gnu.classpath.jdwp.event.filters.ClassMatchFilter; |
| import gnu.classpath.jdwp.event.filters.ClassOnlyFilter; |
| import gnu.classpath.jdwp.event.filters.ConditionalFilter; |
| import gnu.classpath.jdwp.event.filters.CountFilter; |
| import gnu.classpath.jdwp.event.filters.ExceptionOnlyFilter; |
| import gnu.classpath.jdwp.event.filters.FieldOnlyFilter; |
| import gnu.classpath.jdwp.event.filters.IEventFilter; |
| import gnu.classpath.jdwp.event.filters.InstanceOnlyFilter; |
| import gnu.classpath.jdwp.event.filters.LocationOnlyFilter; |
| import gnu.classpath.jdwp.event.filters.StepFilter; |
| import gnu.classpath.jdwp.event.filters.ThreadOnlyFilter; |
| 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.ReferenceTypeId; |
| 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; |
| |
| /** |
| * A class representing the EventRequest Command Set. |
| * |
| * @author Aaron Luchko <aluchko@redhat.com> |
| */ |
| public class EventRequestCommandSet |
| extends CommandSet |
| { |
| public boolean runCommand(ByteBuffer bb, DataOutputStream os, byte command) |
| throws JdwpException |
| { |
| try |
| { |
| switch (command) |
| { |
| case JdwpConstants.CommandSet.EventRequest.SET: |
| executeSet(bb, os); |
| break; |
| case JdwpConstants.CommandSet.EventRequest.CLEAR: |
| executeClear(bb, os); |
| break; |
| case JdwpConstants.CommandSet.EventRequest.CLEAR_ALL_BREAKPOINTS: |
| executeClearAllBreakpoints(bb, os); |
| break; |
| default: |
| throw new NotImplementedException("Command " + command + |
| " not found in EventRequest 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 executeSet(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| byte eventKind = bb.get(); |
| byte suspendPolicy = bb.get(); |
| int modifiers = bb.getInt(); |
| |
| EventRequest eventReq = new EventRequest(eventKind, suspendPolicy); |
| IEventFilter filter = null; |
| ReferenceTypeId refId; |
| for (int i = 0; i < modifiers; i++) |
| { |
| byte modKind = bb.get(); |
| switch (modKind) |
| { |
| case JdwpConstants.ModKind.COUNT: |
| filter = new CountFilter(bb.getInt()); |
| break; |
| case JdwpConstants.ModKind.CONDITIONAL: |
| filter = new ConditionalFilter(idMan.readObjectId(bb)); |
| break; |
| case JdwpConstants.ModKind.THREAD_ONLY: |
| filter = new ThreadOnlyFilter((ThreadId) idMan.readObjectId(bb)); |
| break; |
| case JdwpConstants.ModKind.CLASS_ONLY: |
| filter = new ClassOnlyFilter(idMan.readReferenceTypeId(bb)); |
| break; |
| case JdwpConstants.ModKind.CLASS_MATCH: |
| filter = new ClassMatchFilter(JdwpString.readString(bb)); |
| break; |
| case JdwpConstants.ModKind.CLASS_EXCLUDE: |
| filter = new ClassExcludeFilter(JdwpString.readString(bb)); |
| break; |
| case JdwpConstants.ModKind.LOCATION_ONLY: |
| filter = new LocationOnlyFilter(new Location(bb)); |
| break; |
| case JdwpConstants.ModKind.EXCEPTION_ONLY: |
| long id = bb.getLong(); |
| if (id == 0) |
| refId = null; |
| else |
| refId = idMan.getReferenceType(id); |
| boolean caught = (bb.get() == 0) ? false : true; |
| boolean unCaught = (bb.get() == 0) ? false : true; |
| filter = new ExceptionOnlyFilter(refId, caught, unCaught); |
| break; |
| case JdwpConstants.ModKind.FIELD_ONLY: |
| refId = idMan.readReferenceTypeId(bb); |
| ReferenceTypeId fieldId = idMan.readReferenceTypeId(bb); |
| filter = new FieldOnlyFilter(refId, fieldId); |
| break; |
| case JdwpConstants.ModKind.STEP: |
| ThreadId tid = (ThreadId) idMan.readObjectId(bb); |
| int size = bb.getInt(); |
| int depth = bb.getInt(); |
| filter = new StepFilter(tid, size, depth); |
| break; |
| case JdwpConstants.ModKind.INSTANCE_ONLY: |
| ObjectId oid = idMan.readObjectId(bb); |
| filter = new InstanceOnlyFilter(oid); |
| break; |
| default: |
| throw new NotImplementedException("modKind " + modKind |
| + " is not implemented."); |
| } |
| eventReq.addFilter(filter); |
| } |
| |
| EventManager.getDefault().requestEvent(eventReq); |
| os.writeInt(eventReq.getId()); |
| |
| } |
| |
| private void executeClear(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| byte eventKind = bb.get(); |
| int requestId = bb.getInt(); |
| EventManager.getDefault().deleteRequest(eventKind, requestId); |
| } |
| |
| private void executeClearAllBreakpoints(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| byte eventKind = bb.get (); |
| EventManager.getDefault().clearRequests (eventKind); |
| } |
| |
| } |