Line data    Source code

       1             : 
       2             : /* Copyright (c) 2007-2012, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *                    2012, Daniel Nachbaur <danielnachbaur@gmail.com>
       4             :  *
       5             :  * This file is part of Collage <https://github.com/Eyescale/Collage>
       6             :  *
       7             :  * This library is free software; you can redistribute it and/or modify it under
       8             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       9             :  * by the Free Software Foundation.
      10             :  *
      11             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      12             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      13             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      14             :  * details.
      15             :  *
      16             :  * You should have received a copy of the GNU Lesser General Public License
      17             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      18             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      19             :  */
      20             : 
      21             : #include "unbufferedMasterCM.h"
      22             : 
      23             : #include "log.h"
      24             : #include "node.h"
      25             : #include "object.h"
      26             : #include "objectDataIStream.h"
      27             : #include "objectDeltaDataOStream.h"
      28             : #include "objectInstanceDataOStream.h"
      29             : 
      30             : namespace co
      31             : {
      32           2 : UnbufferedMasterCM::UnbufferedMasterCM(Object* object)
      33           2 :     : VersionedMasterCM(object)
      34             : {
      35           2 :     _version = VERSION_FIRST;
      36           2 :     LBASSERT(object);
      37           2 :     LBASSERT(object->getLocalNode());
      38           2 : }
      39             : 
      40           4 : UnbufferedMasterCM::~UnbufferedMasterCM()
      41             : {
      42           4 : }
      43             : 
      44           2 : uint128_t UnbufferedMasterCM::commit(const uint32_t)
      45             : {
      46             : #if 0
      47             :     LBLOG( LOG_OBJECTS ) << "commit v" << _version << " " << command
      48             :                          << std::endl;
      49             : #endif
      50           2 :     if (!_object->isDirty())
      51           0 :         return _version;
      52             : 
      53           2 :     _maxVersion.waitGE(_version.low() + 1);
      54           4 :     Mutex mutex(_slaves);
      55           2 :     if (_slaves->empty())
      56           0 :         return _version;
      57             : 
      58           4 :     ObjectDeltaDataOStream os(this);
      59           2 :     os.enableCommit(_version + 1, *_slaves);
      60           2 :     _object->pack(os);
      61           2 :     os.disable();
      62             : 
      63           2 :     if (os.hasSentData())
      64             :     {
      65           2 :         ++_version;
      66           2 :         LBASSERT(_version != VERSION_NONE);
      67             : #if 0
      68             :         LBLOG( LOG_OBJECTS ) << "Committed v" << _version << ", id "
      69             :                              << _object->getID() << std::endl;
      70             : #endif
      71             :     }
      72             : 
      73           2 :     return _version;
      74             : }
      75          63 : }