bool Config::_cmdUpdate( co::ICommand& cmd )
{
co::ObjectICommand command( cmd );
LBVERB << "handle config update " << command << std::endl;
const uint32_t versionID = command.read< uint32_t >();
const uint32_t finishID = command.read< uint32_t >();
sync();
commit();
co::NodePtr node = command.getRemoteNode();
if( !_needsFinish )
{
send( node, fabric::CMD_CONFIG_UPDATE_VERSION )
<< getVersion() << versionID << finishID << LB_UNDEFINED_UINT32;
return true;
}
co::LocalNodePtr localNode = getLocalNode();
lunchbox::Request< void > request = localNode->registerRequest< void >();
send( node, fabric::CMD_CONFIG_UPDATE_VERSION )
<< getVersion() << versionID << finishID << request;
_flushAllFrames();
_finishedFrame.waitEQ( _currentFrame ); // wait for render clients idle
request.wait(); // wait for app sync
_needsFinish = false;
const bool canFail = (getIAttribute( IATTR_ROBUSTNESS ) != OFF);
const bool result = _updateRunning( canFail );
if( !result && !canFail )
{
LBWARN << "Config update failed, exiting config" << std::endl;
exit();
}
const uint128_t version = commit();
send( command.getRemoteNode(), fabric::CMD_CONFIG_UPDATE_REPLY )
<< version << command.read< uint32_t >() << result;
return true;
}
//---------------------------------------------------------------------------
// init
//---------------------------------------------------------------------------
bool Config::_init( const uint128_t& initID )
{
LBASSERT( _state == STATE_STOPPED );
_state = STATE_INITIALIZING;
_currentFrame = 0;
_finishedFrame = 0;
_initID = initID;
for( auto compound : _compounds )
compound->init();
for( auto observer : getObservers( ))
observer->init();
for( auto canvas : getCanvases( ))
canvas->init();
const auto& layouts = getLayouts();
for( auto layout : layouts )
for( auto view : layout->getViews( ))
view->init();
// any of the above entities might have been updated
commit();
if( !_updateRunning( false ))
return false;
// Needed to set up active state for first LB update
for( CompoundsCIter i = _compounds.begin(); i != _compounds.end(); ++i )
(*i)->update( 0 );
// Update equalizer properties in views
UpdateEqualizersVisitor updater;
accept( updater );
_needsFinish = false;
_state = STATE_RUNNING;
return true;
}
//---------------------------------------------------------------------------
// 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;
}
//---------------------------------------------------------------------------
// 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;
}
