void Config::notifyNodeFrameFinished( const uint32_t frameNumber )
{
if( _finishedFrame >= frameNumber ) // node finish already done
return;
const Nodes& nodes = getNodes();
for( Nodes::const_iterator i = nodes.begin(); i != nodes.end(); ++i )
{
const Node* node = *i;
if( node->isRunning() && node->getFinishedFrame() < frameNumber )
{
LBASSERT( _needsFinish || node->isActive( ));
return;
}
}
_finishedFrame = frameNumber;
// All nodes have finished the frame. Notify the application's config that
// the frame is finished
// do not use send/_bufferedTasks, not thread-safe!
send( findApplicationNetNode(),
fabric::CMD_CONFIG_FRAME_FINISH ) << frameNumber;
LBLOG( LOG_TASKS ) << "TASK config frame finished " << " frame "
<< frameNumber << std::endl;
}
//---------------------------------------------------------------------------
// exit
//---------------------------------------------------------------------------
bool Config::exit()
{
if( _state != STATE_RUNNING )
LBWARN << "Exiting non-initialized config" << std::endl;
LBASSERT( _state == STATE_RUNNING || _state == STATE_INITIALIZING );
_state = STATE_EXITING;
const Canvases& canvases = getCanvases();
for( Canvases::const_iterator i = canvases.begin();
i != canvases.end(); ++i )
{
Canvas* canvas = *i;
canvas->exit();
}
for( Compounds::const_iterator i = _compounds.begin();
i != _compounds.end(); ++i )
{
Compound* compound = *i;
compound->exit();
}
const bool success = _updateRunning( true );
// send exit event to app, needed if this is called from init()
EventOCommand cmd( send( findApplicationNetNode(),
fabric::CMD_CONFIG_EVENT ));
Event event;
event.serial = getSerial();
event.time = getServer()->getTime();
event.originator = getID();
cmd << EVENT_EXIT << event;
_needsFinish = false;
_state = STATE_STOPPED;
return success;
}
//---------------------------------------------------------------------------
// frame
//---------------------------------------------------------------------------
void Config::_startFrame( const uint128_t& frameID )
{
LBASSERT( _state == STATE_RUNNING );
_verifyFrameFinished( _currentFrame );
_syncClock();
++_currentFrame;
++_incarnation;
LBLOG( LOG_TASKS ) << "----- Start Frame ----- " << _currentFrame
<< std::endl;
for( Compounds::const_iterator i = _compounds.begin();
i != _compounds.end(); ++i )
{
Compound* compound = *i;
compound->update( _currentFrame );
}
ConfigUpdateDataVisitor configDataVisitor;
accept( configDataVisitor );
const Nodes& nodes = getNodes();
co::NodePtr appNode = findApplicationNetNode();
for( Nodes::const_iterator i = nodes.begin(); i != nodes.end(); ++i )
{
Node* node = *i;
node->update( frameID, _currentFrame );
if( node->isRunning() && node->isApplicationNode( ))
appNode = 0; // release sent (see below)
}
if( appNode ) // release appNode local sync
send( appNode,
fabric::CMD_CONFIG_RELEASE_FRAME_LOCAL ) << _currentFrame;
// Fix 2976899: Config::finishFrame deadlocks when no nodes are active
notifyNodeFrameFinished( _currentFrame );
}
//---------------------------------------------------------------------------
// exit
//---------------------------------------------------------------------------
bool Config::exit()
{
if( _state != STATE_RUNNING )
LBWARN << "Exiting non-initialized config" << std::endl;
LBASSERT( _state == STATE_RUNNING || _state == STATE_INITIALIZING );
_state = STATE_EXITING;
const Canvases& canvases = getCanvases();
for( Canvases::const_iterator i = canvases.begin();
i != canvases.end(); ++i )
{
Canvas* canvas = *i;
canvas->exit();
}
for( Compounds::const_iterator i = _compounds.begin();
i != _compounds.end(); ++i )
{
Compound* compound = *i;
compound->exit();
}
const bool success = _updateRunning( true );
// TODO: is this needed? sender of CMD_CONFIG_EXIT is the appNode itself
// which sets the running state to false anyway. Besides, this event is
// not handled by the appNode because it is already in exiting procedure
// and does not call handleEvents anymore
// eile: May be needed for reliability?
send( findApplicationNetNode(), fabric::CMD_CONFIG_EVENT ) << Event::EXIT;
_needsFinish = false;
_state = STATE_STOPPED;
return success;
}
EventOCommand Config::sendError( const uint32_t type, const Error& error )
{
return Super::sendError( findApplicationNetNode(), type, error );
}
