Line data    Source code

       1             : 
       2             : /* Copyright (c) 2007-2014, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *               2011-2012, 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             : #ifndef CO_STATICSLAVECM_H
      22             : #define CO_STATICSLAVECM_H
      23             : 
      24             : #include "objectCM.h"     // base class
      25             : #include <co/objectVersion.h> // VERSION_FOO values
      26             : #include <lunchbox/thread.h>  // thread-safety check
      27             : 
      28             : namespace co
      29             : {
      30             : /** @internal
      31             :  * An object change manager handling static object slave instances.
      32             :  */
      33             : class StaticSlaveCM : public ObjectCM
      34             : {
      35             : public:
      36             :     explicit StaticSlaveCM( Object* object );
      37             :     virtual ~StaticSlaveCM();
      38             : 
      39           8 :     void init() override {}
      40             : 
      41             :     /** @name Versioning */
      42             :     //@{
      43           0 :     uint128_t getHeadVersion() const override { return VERSION_FIRST; }
      44           1 :     uint128_t getVersion() const override { return VERSION_FIRST; }
      45             :     //@}
      46             : 
      47          32 :     bool isMaster() const override { return false; }
      48           8 :     uint32_t getMasterInstanceID() const override
      49           8 :     { return CO_INSTANCE_INVALID; }
      50             : 
      51           0 :     bool addSlave( const MasterCMCommand& ) override
      52           0 :     { LBDONTCALL; return false; }
      53           0 :     void removeSlaves( NodePtr ) override {}
      54             : 
      55             :     void applyMapData( const uint128_t& version ) override;
      56             :     void addInstanceDatas( const ObjectDataIStreamDeque&,
      57             :                            const uint128_t& startVersion ) override;
      58             : protected:
      59             :     /** input stream for receiving the current version */
      60             :     ObjectDataIStream* _currentIStream;
      61             : 
      62             : private:
      63             :     /* The command handlers. */
      64             :     bool _cmdInstance( ICommand& command );
      65          16 :     LB_TS_VAR( _rcvThread );
      66             : };
      67             : }
      68             : 
      69             : #endif // CO_STATICSLAVECM_H