service.h

00001 /* 
00002 * <service.h>
00003 * Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
00004 * (C) OPAC Team, LIFL, 2002-2007
00005 *
00006 * Sebastien Cahon, Alexandru-Adrian Tantar
00007 *
00008 * This software is governed by the CeCILL license under French law and
00009 * abiding by the rules of distribution of free software.  You can  use,
00010 * modify and/ or redistribute the software under the terms of the CeCILL
00011 * license as circulated by CEA, CNRS and INRIA at the following URL
00012 * "http://www.cecill.info".
00013 *
00014 * As a counterpart to the access to the source code and  rights to copy,
00015 * modify and redistribute granted by the license, users are provided only
00016 * with a limited warranty  and the software's author,  the holder of the
00017 * economic rights,  and the successive licensors  have only  limited liability.
00018 *
00019 * In this respect, the user's attention is drawn to the risks associated
00020 * with loading,  using,  modifying and/or developing or reproducing the
00021 * software by the user in light of its specific status of free software,
00022 * that may mean  that it is complicated to manipulate,  and  that  also
00023 * therefore means  that it is reserved for developers  and  experienced
00024 * professionals having in-depth computer knowledge. Users are therefore
00025 * encouraged to load and test the software's suitability as regards their
00026 * requirements in conditions enabling the security of their systems and/or
00027 * data to be ensured and,  more generally, to use and operate it in the
00028 * same conditions as regards security.
00029 * The fact that you are presently reading this means that you have had
00030 * knowledge of the CeCILL license and that you accept its terms.
00031 *
00032 * ParadisEO WebSite : http://paradiseo.gforge.inria.fr
00033 * Contact: paradiseo-help@lists.gforge.inria.fr
00034 *
00035 */
00036 
00037 #ifndef __service_h
00038 #define __service_h
00039 
00040 #include "communicable.h"
00041 #include "thread.h"
00042 
00043 typedef unsigned SERVICE_ID;
00044 
00045 class Service : public Communicable {
00046 
00047 public :
00048 
00049   void setOwner (Thread & __owner);
00050   
00051   Thread * getOwner (); 
00052 
00053   void requestResourceRequest (unsigned __how_many = 1);
00054   void packResourceRequest ();
00055 
00056   virtual void packData ();
00057   virtual void unpackData ();
00058 
00059   virtual void execute ();
00060   
00061   virtual void packResult ();
00062   virtual void unpackResult ();
00063 
00064   virtual void notifySendingData ();
00065   virtual void notifySendingResourceRequest ();
00066   virtual void notifySendingAllResourceRequests ();
00067 
00068 private :
00069 
00070   Thread * owner; /* Owner thread (i.e. 'uses' that service) */ 
00071 
00072   unsigned num_sent_rr; /* Number of RR not really sent (i.e. still in the sending queue)*/
00073 
00074 };
00075 
00076 extern Service * getService (SERVICE_ID __key); 
00077 
00078 #endif

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