JdwpIdFactory.java: New file.
* gnu/classpath/jdwp/id/JdwpIdFactory.java: New file.
* gnu/classpath/jdwp/processor/PacketProcessor.java: New file.
From-SVN: r100970
This commit is contained in:
Keith Seitz
parent
b41f0c7b89
commit
8813ac2634
3 changed files with 312 additions and 4 deletions
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@ -1,3 +1,12 @@
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2005-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
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* configure.host: Handle Solaris 10/x86.
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2005-06-14 Keith Seitz <keiths@redhat.com>
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* gnu/classpath/jdwp/id/JdwpIdFactory.java: New file.
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* gnu/classpath/jdwp/processor/PacketProcessor.java: New file.
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2005-06-14 Keith Seitz <keiths@redhat.com>
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* gnu/classpath/jdwp/id/ArrayId.java: New file.
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@ -13,10 +22,6 @@
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* gnu/classpath/jdwp/id/ThreadGroupId.java: New file.
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* gnu/classpath/jdwp/id/ThreadId.java: New file.
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2005-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
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* configure.host: Handle Solaris 10/x86.
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2005-06-14 Tom Tromey <tromey@redhat.com>
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PR libgcj/19877:
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165
libjava/gnu/classpath/jdwp/id/JdwpIdFactory.java
Normal file
165
libjava/gnu/classpath/jdwp/id/JdwpIdFactory.java
Normal file
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@ -0,0 +1,165 @@
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/* JdwpIdFactory.java -- factory for generating type and object IDs
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Copyright (C) 2005 Free Software Foundation
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.classpath.jdwp.id;
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import java.util.HashMap;
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/**
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* This factory generates ids for objects and types that may
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* be sent to a debugger.
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*
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* @author Keith Seitz (keiths@redhat.com)
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*/
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public class JdwpIdFactory
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{
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// ID of last object / referencetype
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private static Object _idLock = new Object ();
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private static Object _ridLock = new Object ();
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private static long _lastId = 0;
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private static long _lastRid = 0;
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// A list of all ID types
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private static HashMap _idList = new HashMap ();
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// Initialize the id list with known types
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static
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{
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// ObjectId and ArrayId are special cases. See newId.
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_idList.put (ClassLoaderId.typeClass, ClassLoaderId.class);
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_idList.put (ClassObjectId.typeClass, ClassObjectId.class);
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//_idList.put (FieldId.typeClass, FieldId.class);
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//_idList.put (FrameId.typeClass, FrameId.class);
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//_idList.put (MethodId.typeClass, MethodId.class);
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_idList.put (StringId.typeClass, StringId.class);
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_idList.put (ThreadId.typeClass, ThreadId.class);
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_idList.put (ThreadGroupId.typeClass, ThreadGroupId.class);
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}
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/**
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* Returns a new id for the given object
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*
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* @param object the object for which an id is desired
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* @returns a suitable object id
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*/
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public static JdwpId newId (Object object)
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{
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JdwpId id = null;
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// Special case: arrays
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if (object.getClass ().isArray ())
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id = new ArrayId ();
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else
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{
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// Loop through all classes until we hit baseclass
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Class myClass;
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for (myClass = object.getClass (); myClass != null;
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myClass = myClass.getSuperclass ())
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{
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Class clz = (Class) _idList.get (myClass);
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if (clz != null)
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{
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try
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{
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id = (JdwpId) clz.newInstance ();
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synchronized (_idLock)
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{
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id.setId (++_lastId);
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}
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return id;
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}
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catch (InstantiationException ie)
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{
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// This really should not happen
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throw new RuntimeException ("cannot create new ID", ie);
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}
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catch (IllegalAccessException iae)
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{
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// This really should not happen
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throw new RuntimeException ("illegal access of ID", iae);
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}
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}
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}
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/* getSuperclass returned null and no matching ID type found.
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So it must derive from Object. */
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id = new ObjectId ();
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}
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synchronized (_idLock)
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{
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id.setId (++_lastId);
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}
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return id;
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}
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/**
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* Returns a new reference type id for the given class
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*
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* @param clazz the <code>Class</code> for which an id is desired
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* @returns a suitable reference type id or <code>null</code>
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*/
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public static ReferenceTypeId newReferenceTypeId (Class clazz)
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{
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ReferenceTypeId id = null;
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try
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{
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if (clazz.isArray ())
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id = new ArrayReferenceTypeId ();
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else if (clazz.isInterface ())
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id = new InterfaceReferenceTypeId ();
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else
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id = new ClassReferenceTypeId ();
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synchronized (_ridLock)
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{
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id.setId (++_lastRid);
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}
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return id;
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}
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catch (InstantiationException ie)
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{
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return null;
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}
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catch (IllegalAccessException iae)
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{
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return null;
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}
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}
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}
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138
libjava/gnu/classpath/jdwp/processor/PacketProcessor.java
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138
libjava/gnu/classpath/jdwp/processor/PacketProcessor.java
Normal file
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@ -0,0 +1,138 @@
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/* PacketProcessor.java -- a thread which processes command packets
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from the debugger
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Copyright (C) 2005 Free Software Foundation
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.classpath.jdwp.processor;
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import gnu.classpath.jdwp.Jdwp;
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import gnu.classpath.jdwp.event.Event;
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import gnu.classpath.jdwp.exception.JdwpException;
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import gnu.classpath.jdwp.transport.JdwpConnection;
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import gnu.classpath.jdwp.transport.JdwpCommandPacket;
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import gnu.classpath.jdwp.transport.JdwpPacket;
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import gnu.classpath.jdwp.transport.JdwpReplyPacket;
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import java.io.IOException;
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/**
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* This class is responsible for processing packets from the
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* debugger. It waits for an available packet from the connection
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* ({@link gnu.classpath.jdwp.transport.JdwpConnection}) and then
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* processes the packet and any reply.
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*
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* @author Keith Seitz (keiths@redhat.com)
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*/
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public class PacketProcessor
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extends Thread
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{
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// The connection to the debugger
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private JdwpConnection _connection;
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// Shutdown this thread?
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private boolean _shutdown;
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/**
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* Constructs a new <code>PacketProcessor</code> object
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* Connection must be validated before getting here!
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*
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* @param con the connection
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*/
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public PacketProcessor (JdwpConnection con)
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{
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_connection = con;
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_shutdown = false;
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}
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/**
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* Main run routine for this thread. Will loop getting packets
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* from the connection and processing them.
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*/
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public void run ()
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{
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while (!_shutdown)
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{
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_processOnePacket ();
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}
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}
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/**
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* Shutdown the packet processor
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*/
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public void shutdown ()
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{
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_shutdown = true;
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interrupt ();
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}
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// Helper function which actually does all the work of waiting
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// for a packet and getting it processed.
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private void _processOnePacket ()
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{
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JdwpPacket pkt = _connection.getPacket ();
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if (pkt instanceof JdwpReplyPacket)
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{
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// We're not supposed to get these from the debugger!
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// Drop it on the floor
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return;
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}
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if (pkt != null)
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{
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JdwpReplyPacket reply;
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try
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{
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// !! process packet here !!
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reply = new JdwpReplyPacket (pkt, (short) 0);
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}
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catch (JdwpException ex)
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{
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reply = new JdwpReplyPacket (pkt, ex.getErrorCode ());
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}
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try
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{
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_connection.sendPacket (reply);
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}
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catch (IOException ioe)
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{
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// Not much we can do...
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}
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}
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}
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}
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