LCOV - code coverage report
Current view: top level - eq/client - commandQueue.cpp (source / functions) Hit Total Coverage
Test: lcov2.info Lines: 46 62 74.2 %
Date: 2014-06-18 Functions: 9 11 81.8 %

          Line data    Source code
       1             : 
       2             : /* Copyright (c) 2007-2013, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *                    2012, Daniel Nachbaur <danielnachbaur@gmail.com>
       4             :  *
       5             :  * This library is free software; you can redistribute it and/or modify it under
       6             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       7             :  * by the Free Software Foundation.
       8             :  *
       9             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      10             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      11             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      12             :  * details.
      13             :  *
      14             :  * You should have received a copy of the GNU Lesser General Public License
      15             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      16             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      17             :  */
      18             : 
      19             : #include "commandQueue.h"
      20             : 
      21             : #include "messagePump.h"
      22             : 
      23             : #include <co/iCommand.h>
      24             : #include <lunchbox/clock.h>
      25             : 
      26             : namespace eq
      27             : {
      28             : namespace
      29             : {
      30          12 : static lunchbox::Clock _clock;
      31             : }
      32             : 
      33          50 : CommandQueue::CommandQueue( const size_t maxSize )
      34             :     : co::CommandQueue( maxSize )
      35             :     , _messagePump( 0 )
      36          50 :     , _waitTime( 0 )
      37          50 : {}
      38             : 
      39          80 : CommandQueue::~CommandQueue()
      40             : {
      41          40 :     LBASSERT( !_messagePump );
      42          40 :     delete _messagePump;
      43          40 :     _messagePump = 0;
      44          40 : }
      45             : 
      46         520 : void CommandQueue::push( const co::ICommand& command )
      47             : {
      48         520 :     co::CommandQueue::push( command );
      49         520 :     if( _messagePump )
      50         233 :         _messagePump->postWakeup();
      51         520 : }
      52             : 
      53           0 : void CommandQueue::pushFront( const co::ICommand& command )
      54             : {
      55           0 :     co::CommandQueue::pushFront( command );
      56           0 :     if( _messagePump )
      57           0 :         _messagePump->postWakeup();
      58           0 : }
      59             : 
      60         169 : co::ICommand CommandQueue::pop( const uint32_t timeout )
      61             : {
      62         169 :     int64_t start = -1;
      63             :     while( true )
      64             :     {
      65         169 :         if( _messagePump )
      66           0 :             _messagePump->dispatchAll(); // non-blocking
      67             : 
      68             :         // Poll for a command
      69         169 :         if( !isEmpty() || timeout == 0 )
      70             :         {
      71          67 :             if( start > -1 )
      72           0 :                 _waitTime += ( _clock.getTime64() - start );
      73          67 :             return co::CommandQueue::pop( timeout );
      74             :         }
      75             : 
      76         102 :         if( _messagePump )
      77             :         {
      78           0 :             if( start == -1 )
      79           0 :                 start = _clock.getTime64();
      80           0 :             _messagePump->dispatchOne( timeout ); // blocks - push sends wakeup
      81             :         }
      82             :         else
      83             :         {
      84         102 :             start = _clock.getTime64();
      85             :             // blocking
      86         102 :             const co::ICommand& command = co::CommandQueue::pop( timeout );
      87         102 :             _waitTime += ( _clock.getTime64() - start );
      88         102 :             return command;
      89             :         }
      90           0 :     }
      91             : }
      92             : 
      93         105 : co::ICommands CommandQueue::popAll( const uint32_t timeout )
      94             : {
      95         105 :     int64_t start = -1;
      96             :     while( true )
      97             :     {
      98        2763 :         if( _messagePump )
      99        2763 :             _messagePump->dispatchAll(); // non-blocking
     100             : 
     101             :         // Poll for commands
     102        2763 :         if( !isEmpty() || timeout == 0 )
     103             :         {
     104         105 :             if( start > -1 )
     105          37 :                 _waitTime += ( _clock.getTime64() - start );
     106         105 :             return co::CommandQueue::popAll( 0 );
     107             :         }
     108             : 
     109        2658 :         if( _messagePump )
     110             :         {
     111        2658 :             if( start == -1 )
     112          37 :                 start = _clock.getTime64();
     113        2658 :             _messagePump->dispatchOne( timeout ); // blocks - push send swakeup
     114             :         }
     115             :         else
     116             :         {
     117           0 :             start = _clock.getTime64();
     118             :             // blocking
     119           0 :             const co::ICommands& commands = co::CommandQueue::popAll( timeout );
     120           0 :             _waitTime += ( _clock.getTime64() - start );
     121           0 :             return commands;
     122             :         }
     123        2658 :     }
     124             : }
     125             : 
     126        4667 : co::ICommand CommandQueue::tryPop()
     127             : {
     128        4667 :     if( _messagePump )
     129           0 :         _messagePump->dispatchAll(); // non-blocking
     130             : 
     131        4667 :     return co::CommandQueue::tryPop();
     132             : }
     133             : 
     134         248 : void CommandQueue::pump()
     135             : {
     136         248 :     if( _messagePump )
     137         248 :         _messagePump->dispatchAll(); // non-blocking
     138         248 : }
     139             : 
     140          36 : }

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