void BoundingTask::SendFatalError(Exception& e)
{
// if the front-end has been told about this exception already, we don't tell it again
if (e.frontendnotified(true))
return;
POVMS_Message msg(kPOVObjectClass_ControlData, kPOVMsgClass_SceneOutput, kPOVMsgIdent_Error);
msg.SetString(kPOVAttrib_EnglishText, e.what());
msg.SetInt(kPOVAttrib_Error, 0);
msg.SetInt(kPOVAttrib_SceneId, sceneData->sceneId);
msg.SetSourceAddress(sceneData->backendAddress);
msg.SetDestinationAddress(sceneData->frontendAddress);
POVMS_SendMessage(msg);
}
bool TaskQueue::Process()
{
boost::recursive_mutex::scoped_lock lock(queueMutex);
for(list<TaskEntry>::iterator i(activeTasks.begin()); i != activeTasks.end();)
{
if(failed == kNoError)
failed = i->GetTask()->FailureCode();
if(i->GetTask()->IsDone() == true)
{
list<TaskEntry>::iterator e(i);
i++;
activeTasks.erase(e);
}
else
i++;
}
if(failed != kNoError)
{
Stop();
return false;
}
if(queuedTasks.empty() == false)
{
switch(queuedTasks.front().GetEntryType())
{
case TaskEntry::kTask:
{
activeTasks.push_back(queuedTasks.front());
queuedTasks.front().GetTask()->Start(boost::bind(&TaskQueue::Notify, this));
queuedTasks.pop();
break;
}
case TaskEntry::kSync:
{
if(activeTasks.empty() == true)
queuedTasks.pop();
else
return false;
break;
}
case TaskEntry::kMessage:
{
try { POVMS_SendMessage(queuedTasks.front().GetMessage()); } catch(pov_base::Exception&) { }
queuedTasks.pop();
break;
}
case TaskEntry::kFunction:
{
try { queuedTasks.front().GetFunction()(*this); } catch(pov_base::Exception&) { }
queuedTasks.pop();
break;
}
}
}
if(queuedTasks.empty() == true)
processCondition.wait(lock);
return (queuedTasks.empty() == false);
}
