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 :
33 2 : UnbufferedMasterCM::UnbufferedMasterCM( Object* object )
34 2 : : VersionedMasterCM( object )
35 : {
36 2 : _version = VERSION_FIRST;
37 2 : LBASSERT( object );
38 2 : LBASSERT( object->getLocalNode( ));
39 2 : }
40 :
41 4 : UnbufferedMasterCM::~UnbufferedMasterCM()
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 :
76 66 : }
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