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           2 :     void init() override {}
      40             :     /** @name Versioning */
      41             :     //@{
      42           0 :     uint128_t getHeadVersion() const override { return VERSION_FIRST; }
      43           1 :     uint128_t getVersion() const override { return VERSION_FIRST; }
      44             :     //@}
      45             : 
      46           8 :     bool isMaster() const override { return false; }
      47           2 :     uint32_t getMasterInstanceID() const override
      48             :     {
      49           2 :         return CO_INSTANCE_INVALID;
      50             :     }
      51             : 
      52           0 :     bool addSlave(const MasterCMCommand&) override
      53             :     {
      54           0 :         LBDONTCALL;
      55           0 :         return false;
      56             :     }
      57           0 :     void removeSlaves(NodePtr) override {}
      58             :     void applyMapData(const uint128_t& version) override;
      59             :     void addInstanceDatas(const ObjectDataIStreamDeque&,
      60             :                           const uint128_t& startVersion) override;
      61             : 
      62             : protected:
      63             :     /** input stream for receiving the current version */
      64             :     ObjectDataIStream* _currentIStream;
      65             : 
      66             : private:
      67             :     /* The command handlers. */
      68             :     bool _cmdInstance(ICommand& command);
      69           4 :     LB_TS_VAR(_rcvThread);
      70             : };
      71             : }
      72             : 
      73             : #endif // CO_STATICSLAVECM_H