//---------------------------------------------------------------------------------------------------------------------
// EventManager::VQueueEvent
//---------------------------------------------------------------------------------------------------------------------
bool EventManager::VQueueEvent(const IEventDataPtr& pEvent)
{
GCC_ASSERT(m_activeQueue >= 0);
GCC_ASSERT(m_activeQueue < EVENTMANAGER_NUM_QUEUES);
// make sure the event is valid
if (!pEvent)
{
GCC_ERROR("Invalid event in VQueueEvent()");
return false;
}
GCC_LOG("Events", "Attempting to queue event: " + std::string(pEvent->GetName()));
auto findIt = m_eventListeners.find(pEvent->VGetEventType());
if (findIt != m_eventListeners.end())
{
m_queues[m_activeQueue].push_back(pEvent);
GCC_LOG("Events", "Successfully queued event: " + std::string(pEvent->GetName()));
return true;
}
else
{
GCC_LOG("Events", "Skipping event since there are no delegates registered to receive it: " + std::string(pEvent->GetName()));
return false;
}
}
void RemoteNetworkView::ForwardEvent(IEventDataPtr pEventData) {
std::string httpinmsg;
if (!pEventData) {
GCC_ERROR("Event Invalid");
return;
}
int socketId = pEventData->VGetSocketId();
std::ostrstream out;
pEventData->VSerialize(out);
out << std::ends;
IPacket *packetBack = NULL;
if (!strncmp("HTTP", &out.rdbuf()->str()[0], 4)) {
packetBack = GCC_NEW HTTPPacket(out.rdbuf()->str());
}
else {
//TODO create binary packet
}
std::shared_ptr<IPacket> ipBack(packetBack);
printf("RemoteNetworkView Forward Event socket:%d %s\n", socketId, pEventData->GetName());
g_pSocketManager->Send(socketId, ipBack);
if (!strncmp("HTTP", &out.rdbuf()->str()[0], 4)) {
IEventDataPtr pCloseSocketHttpEvent(CREATE_EVENT(EventData_CloseSocketHTTP::sk_EventType));
char* id = new char[100];
sprintf_s(id, 100, "%d", socketId);
httpinmsg.append(id);
std::istrstream in(httpinmsg.c_str(), httpinmsg.size());
pCloseSocketHttpEvent->VDeserialize(in);
IEventManager::Get()->VQueueEvent(pCloseSocketHttpEvent);
}
}
//---------------------------------------------------------------------------------------------------------------------
// EventManager::VTrigger
//---------------------------------------------------------------------------------------------------------------------
bool EventManager::VTriggerEvent(const IEventDataPtr& pEvent) const
{
GCC_LOG("Events", "Attempting to trigger event " + std::string(pEvent->GetName()));
bool processed = false;
auto findIt = m_eventListeners.find(pEvent->VGetEventType());
if (findIt != m_eventListeners.end())
{
const EventListenerList& eventListenerList = findIt->second;
for (EventListenerList::const_iterator it = eventListenerList.begin(); it != eventListenerList.end(); ++it)
{
EventListenerDelegate listener = (*it);
GCC_LOG("Events", "Sending Event " + std::string(pEvent->GetName()) + " to delegate.");
listener(pEvent); // call the delegate
processed = true;
}
}
return processed;
}
//---------------------------------------------------------------------------------------------------------------------
// EventManager::VTick
//---------------------------------------------------------------------------------------------------------------------
bool EventManager::VUpdate(unsigned long maxMillis)
{
unsigned long currMs = GetTickCount();
unsigned long maxMs = ((maxMillis == IEventManager::kINFINITE) ? (IEventManager::kINFINITE) : (currMs + maxMillis));
// This section added to handle events from other threads. Check out Chapter 20.
IEventDataPtr pRealtimeEvent;
while (m_realtimeEventQueue.try_pop(pRealtimeEvent))
{
VQueueEvent(pRealtimeEvent);
currMs = GetTickCount();
if (maxMillis != IEventManager::kINFINITE)
{
if (currMs >= maxMs)
{
GCC_ERROR("A realtime process is spamming the event manager!");
}
}
}
// swap active queues and clear the new queue after the swap
int queueToProcess = m_activeQueue;
m_activeQueue = (m_activeQueue + 1) % EVENTMANAGER_NUM_QUEUES;
m_queues[m_activeQueue].clear();
GCC_LOG("EventLoop", "Processing Event Queue " + ToStr(queueToProcess) + "; " + ToStr((unsigned long)m_queues[queueToProcess].size()) + " events to process");
// Process the queue
while (!m_queues[queueToProcess].empty())
{
// pop the front of the queue
IEventDataPtr pEvent = m_queues[queueToProcess].front();
m_queues[queueToProcess].pop_front();
GCC_LOG("EventLoop", "\t\tProcessing Event " + std::string(pEvent->GetName()));
const EventType& eventType = pEvent->VGetEventType();
// find all the delegate functions registered for this event
auto findIt = m_eventListeners.find(eventType);
if (findIt != m_eventListeners.end())
{
const EventListenerList& eventListeners = findIt->second;
GCC_LOG("EventLoop", "\t\tFound " + ToStr((unsigned long)eventListeners.size()) + " delegates");
// call each listener
for (auto it = eventListeners.begin(); it != eventListeners.end(); ++it)
{
EventListenerDelegate listener = (*it);
GCC_LOG("EventLoop", "\t\tSending event " + std::string(pEvent->GetName()) + " to delegate");
listener(pEvent);
}
}
// check to see if time ran out
currMs = GetTickCount();
if (maxMillis != IEventManager::kINFINITE && currMs >= maxMs)
{
GCC_LOG("EventLoop", "Aborting event processing; time ran out");
break;
}
}
// If we couldn't process all of the events, push the remaining events to the new active queue.
// Note: To preserve sequencing, go back-to-front, inserting them at the head of the active queue
bool queueFlushed = (m_queues[queueToProcess].empty());
if (!queueFlushed)
{
while (!m_queues[queueToProcess].empty())
{
IEventDataPtr pEvent = m_queues[queueToProcess].back();
m_queues[queueToProcess].pop_back();
m_queues[m_activeQueue].push_front(pEvent);
}
}
return queueFlushed;
}
