Line data    Source code

       1             : 
       2             : /* Copyright (c) 2005-2013, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *
       4             :  * This file is part of Collage <https://github.com/Eyescale/Collage>
       5             :  *
       6             :  * This library is free software; you can redistribute it and/or modify it under
       7             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       8             :  * by the Free Software Foundation.
       9             :  *
      10             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      11             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      12             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      13             :  * details.
      14             :  *
      15             :  * You should have received a copy of the GNU Lesser General Public License
      16             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      17             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      18             :  */
      19             : 
      20             : #include "commandQueue.h"
      21             : 
      22             : #include "iCommand.h"
      23             : #include "exception.h"
      24             : #include "node.h"
      25             : 
      26             : #include <lunchbox/mtQueue.h>
      27             : 
      28             : namespace co
      29             : {
      30             : namespace detail
      31             : {
      32          64 : class CommandQueue
      33             : {
      34             : public:
      35          66 :     CommandQueue( const size_t maxSize ) : commands( maxSize ) {}
      36             : 
      37             :     /** Thread-safe buffer queue. */
      38             :     lunchbox::MTQueue< co::ICommand > commands;
      39             : };
      40             : }
      41             : 
      42          66 : CommandQueue::CommandQueue( const size_t maxSize )
      43          66 :     : _impl( new detail::CommandQueue( maxSize ))
      44             : {
      45          66 : }
      46             : 
      47         128 : CommandQueue::~CommandQueue()
      48             : {
      49          64 :     flush();
      50          64 :     delete _impl;
      51          64 : }
      52             : 
      53         109 : void CommandQueue::flush()
      54             : {
      55         109 :     if( !isEmpty( ))
      56           0 :         LBWARN << "Flushing non-empty command queue" << std::endl;
      57             : 
      58         109 :     _impl->commands.clear();
      59         109 : }
      60             : 
      61       51729 : bool CommandQueue::isEmpty() const
      62             : {
      63       51729 :     return _impl->commands.isEmpty();
      64             : }
      65             : 
      66           5 : size_t CommandQueue::getSize() const
      67             : {
      68           5 :     return _impl->commands.getSize();
      69             : }
      70             : 
      71     1114769 : void CommandQueue::push( const ICommand& command )
      72             : {
      73     1114769 :     _impl->commands.push( command );
      74     1114769 : }
      75             : 
      76           0 : void CommandQueue::pushFront( const ICommand& command )
      77             : {
      78           0 :     LBASSERT( command.isValid( ));
      79           0 :     _impl->commands.pushFront( command );
      80           0 : }
      81             : 
      82     1063059 : ICommand CommandQueue::pop( const uint32_t timeout )
      83             : {
      84     1063059 :     LB_TS_THREAD( _thread );
      85             : 
      86     1063012 :     ICommand command;
      87     1062908 :     if( !_impl->commands.timedPop( timeout, command ))
      88           0 :         throw Exception( Exception::TIMEOUT_COMMANDQUEUE );
      89             : 
      90     1063083 :     return command;
      91             : }
      92             : 
      93       51607 : ICommands CommandQueue::popAll( const uint32_t timeout )
      94             : {
      95       51607 :     const ICommands& result = _impl->commands.timedPopRange( timeout );
      96             : 
      97       51608 :     if( result.empty( ))
      98           0 :         throw Exception( Exception::TIMEOUT_COMMANDQUEUE );
      99       51606 :     return result;
     100             : }
     101             : 
     102           2 : ICommand CommandQueue::tryPop()
     103             : {
     104           2 :     LB_TS_THREAD( _thread );
     105           2 :     ICommand command;
     106           2 :     _impl->commands.tryPop( command );
     107           2 :     return command;
     108             : }
     109             : 
     110          60 : }