bool SystemClass::initialize()
{
int Width, Height;
initializeWindow(Width, Height);
EventDispatcher.reset(new Dispatcher);
assert(EventDispatcher);
EventDispatcher->initialize();
InputManager.reset(new Input::Manager);
assert(InputManager);
if (!InputManager->initialize(ApplicationInstance, Window, EventDispatcher))
{
MessageBox(Window, L"Failed to initialize DirectInput8 interface", L"Error", MB_OK);
return false;
}
// Sets the initial timer to zero
calculateFrameTime();
SceneManager.reset(new Scenes::SceneManager);
assert(SceneManager);
PhysicsWorld.reset(new Physics::Environment);
assert(PhysicsWorld);
if (!SceneManager->initialize(Width, Height, Window, InputManager, PhysicsWorld, EventDispatcher))
return false;
PhysicsWorld->initialize();
return true;
}
bool SystemClass::doFrame()
{
float FrameTime = calculateFrameTime();
if (!InputManager->doFrame())
return false;
PhysicsWorld->doFrame(FrameTime);
if (!SceneManager->runFrame(FrameTime))
return false;
return true;
}
void CalculateAirtimeUtilization(long slotTime, int lastSlot)
{
int eFrame;
long nextFrame;
char *success;
int rtsctsFrames=0;
int dataFrames=0;
int ackFrames=0;
char address[18];
double currentTS, nextTS, finalTS;
long nextSlot;
double slot;
long simulationTime = 1800;
dataFrames=0;
rtsctsFrames=0;
ackFrames=0;
eFrame=0;
slot=(float)slotTime;
nextSlot = (lastSlot>0)? lastSlot:1;
currentTS = PCAP_DATA_VAL[eFrame].frame_time_epoch;
nextTS = PCAP_DATA_VAL[eFrame+1].frame_time_epoch;
finalTS = currentTS + slot;
float frameTime = 0.0;
float probeTrafficFrameTime = 0.0;
float dataTrafficFrameTime = 0.0;
float otherTrafficFrameTime = 0.0;
int dispSlot;
while (eFrame<framesCount-1)
{
if ((nextTS - currentTS) <= slot)
{
float currentFrameTime = 0.0;
if (eFrame >= 1)
currentFrameTime = calculateFrameTime(PCAP_DATA_VAL[eFrame], PCAP_DATA_VAL[eFrame-1], PCAP_DATA_VAL[eFrame+1]);
frameTime = frameTime + currentFrameTime;
//else
//frameTime = frameTime + calculateFrameTime(PCAP_DATA_VAL[eFrame], PCAP_DATA_VAL[eFrame], PCAP_DATA_VAL[eFrame+1]);
if (strcmp(PCAP_DATA_VAL[eFrame].wlan_fc_type_subtype, "0x04")==0||strcmp(PCAP_DATA_VAL[eFrame].wlan_fc_type_subtype, "0x05")==0)//Probe Traffic
probeTrafficFrameTime+=currentFrameTime;
else if ((PCAP_DATA_VAL[eFrame].wlan_fc_type==0) || (PCAP_DATA_VAL[eFrame].wlan_fc_type==1))//Control Traffic or Management Traffic
otherTrafficFrameTime+=currentFrameTime;
else if (PCAP_DATA_VAL[eFrame].wlan_fc_type==2)//Data Traffic
dataTrafficFrameTime+=currentFrameTime;
}else{
//Calculate %
dispSlot = (slot + nextSlot*slot)/slot;
double percentage = 100 * ((float)frameTime/1000000); //Airtime Utilization %
double datapercentage = 100 * ((float)dataTrafficFrameTime/1000000); //Airtime Utilization %
double probepercentage = 100 * ((float)probeTrafficFrameTime/1000000); //Airtime Utilization %
double otherpercentage = 100 * ((float)otherTrafficFrameTime/1000000); //Airtime Utilization %
printf("%d,%f,%f,%f,%f\n",dispSlot, percentage, datapercentage, probepercentage, otherpercentage);
nextSlot = nextSlot + 1;
frameTime = 0;
dataTrafficFrameTime=0;
probeTrafficFrameTime=0;
otherTrafficFrameTime=0;
currentTS = PCAP_DATA_VAL[eFrame].frame_time_epoch;
}
eFrame++;
nextTS = PCAP_DATA_VAL[eFrame].frame_time_epoch;
}
}
