//This function gets the matched waypoint and region from each Clients,
//then pass the waypoint and region information to Session
public void PassMatchedWaypointAndRegionToSession(object sender,
EventArgs args)
{
CleanAllMappingBeaconList();
RegionWaypointPoint matchedWaypointAndRegion =
new RegionWaypointPoint();
matchedWaypointAndRegion._waypointID =
(args as WaypointSignalEventArgs)._detectedRegionWaypoint
._waypointID;
matchedWaypointAndRegion._regionID =
(args as WaypointSignalEventArgs)._detectedRegionWaypoint
._regionID;
_event.OnEventCall(new WaypointSignalEventArgs
{
_detectedRegionWaypoint = matchedWaypointAndRegion
});
return;
}
public List <WaypointBeaconsMapping> FindTheMappingOfWaypointAndItsBeacon
(Guid regionGuid, List <Guid> waypoints)
{
List <WaypointBeaconsMapping> waypointBeaconsMappings =
new List <WaypointBeaconsMapping>();
foreach (Guid waypointID in waypoints)
{
RegionWaypointPoint regionWaypointPoint =
new RegionWaypointPoint();
regionWaypointPoint._regionID = regionGuid;
regionWaypointPoint._waypointID = waypointID;
List <Guid> beaconIDs = new List <Guid>();
beaconIDs =
_navigationGraph.GetAllBeaconIDInOneWaypointOfRegion(regionGuid,
waypointID);
Dictionary <Guid, int> beaconThresholdMapping =
new Dictionary <Guid, int>();
for (int i = 0; i < beaconIDs.Count(); i++)
{
beaconThresholdMapping.Add
(beaconIDs[i],
_navigationGraph.GetBeaconRSSIThreshold(regionGuid,
beaconIDs[i])
);
}
waypointBeaconsMappings.Add(new WaypointBeaconsMapping
{
_WaypointIDAndRegionID = regionWaypointPoint,
_Beacons = beaconIDs,
_BeaconThreshold = beaconThresholdMapping
});
}
return(waypointBeaconsMappings);
}
public void DetectWaypoints()
{
List <BeaconSignalModel> removeSignalBuffer =
new List <BeaconSignalModel>();
lock (_bufferLock)
{
removeSignalBuffer.AddRange(
_beaconSignalBuffer.Where(c =>
c.Timestamp < DateTime.Now.AddMilliseconds(-1500)));
foreach (var obsoleteBeaconSignal in removeSignalBuffer)
{
_beaconSignalBuffer.Remove(obsoleteBeaconSignal);
}
Dictionary <RegionWaypointPoint, List <BeaconSignal> > scannedData = new Dictionary <RegionWaypointPoint, List <BeaconSignal> >();
Dictionary <RegionWaypointPoint, int> signalAvgValue = new Dictionary <RegionWaypointPoint, int>();
Dictionary <RegionWaypointPoint, List <BeaconSignal> > correctData = new Dictionary <RegionWaypointPoint, List <BeaconSignal> >();
//In ibsclient, a waypoint has at least two beacon UUIDs,
//We put all waypoint we get in scannedData
//BeaconSignalModel beaconSignalModel1 = new BeaconSignalModel();
//BeaconSignalModel beaconSignalModel2 = new BeaconSignalModel();
//BeaconSignalModel beaconSignalModel3 = new BeaconSignalModel();
//BeaconSignalModel beaconSignalModel4 = new BeaconSignalModel();
//beaconSignalModel1.UUID = new Guid("00000000-0402-5242-3d64-2019010044d0");
//beaconSignalModel2.UUID = new Guid("00000000-0402-5242-3d64-2019010044d0");
//beaconSignalModel3.UUID = new Guid("00000000-0402-5242-3d64-2019010047b2");
//beaconSignalModel4.UUID = new Guid("00000000-0402-5242-3d64-2019010049bf");
//beaconSignalModel1.RSSI = -50;
//beaconSignalModel2.RSSI = -60;
// beaconSignalModel3.RSSI = -55;
//beaconSignalModel4.RSSI = -33;
//_beaconSignalBuffer.Add(beaconSignalModel1);
//_beaconSignalBuffer.Add(beaconSignalModel2);
//_beaconSignalBuffer.Add(beaconSignalModel3);
//_beaconSignalBuffer.Add(beaconSignalModel4);
foreach (BeaconSignalModel beacon in _beaconSignalBuffer)
{
foreach (WaypointBeaconsMapping waypointBeaconsMapping in _waypointBeaconsList)
{
foreach (Guid beaconGuid in waypointBeaconsMapping._Beacons)
{
if ((beacon.UUID.Equals(beaconGuid)) && (beacon.RSSI > (waypointBeaconsMapping._BeaconThreshold[beacon.UUID] - rssiOption)))
{
if (!scannedData.Keys.Contains(waypointBeaconsMapping._WaypointIDAndRegionID))
{
scannedData.Add(waypointBeaconsMapping._WaypointIDAndRegionID, new List <BeaconSignal> {
beacon
});
}
else
{
scannedData[waypointBeaconsMapping._WaypointIDAndRegionID].Add(beacon);
}
}
}
}
}
foreach (KeyValuePair <RegionWaypointPoint, List <BeaconSignal> > interestedBeacon in scannedData)
{
Dictionary <Guid, List <BeaconSignal> > tempSave = new Dictionary <Guid, List <BeaconSignal> >();
foreach (BeaconSignal beaconSignal in interestedBeacon.Value)
{
if (!tempSave.Keys.Contains(beaconSignal.UUID))
{
tempSave.Add(beaconSignal.UUID, new List <BeaconSignal> {
beaconSignal
});
}
else
{
tempSave[beaconSignal.UUID].Add(beaconSignal);
}
}
if (tempSave.Keys.Count() >= _moreThanTwoIBeacon)
{
correctData.Add(interestedBeacon.Key, interestedBeacon.Value);
}
}
foreach (KeyValuePair <RegionWaypointPoint, List <BeaconSignal> > calculateData in correctData)
{
//If a waypoint has at least two beacon UUIDs,
//this waypoint might be our interested waypoint.
if (calculateData.Value.Count() >= _moreThanTwoIBeacon)
{
//Sort the beacons by their Rssi
calculateData.Value.Sort((x, y) => { return(x.RSSI.CompareTo(y.RSSI)); });
int avgSignal = 0;
//If we have more than ten data, we remove the highest 10%
//and the lowest 10%, and calculate their average
//If we have not more than 10 data,
//we just calculate their average
if (calculateData.Value.Count() >= 10)
{
int min = Convert.ToInt32(scannedData.Count() * 0.1);
int max = Convert.ToInt32(scannedData.Count() * 0.9);
int minus = max - min;
for (int i = min; i < max; i++)
{
avgSignal += calculateData.Value[i].RSSI;
}
avgSignal = avgSignal / minus;
}
else
{
foreach (BeaconSignal value in calculateData.Value)
{
avgSignal += value.RSSI;
}
avgSignal = avgSignal / scannedData.Count();
}
signalAvgValue.Add(calculateData.Key, avgSignal);
}
}
int tempValue = -100;
bool haveThing = false;
RegionWaypointPoint possibleRegionWaypoint = new RegionWaypointPoint();
//Compare all data we have, and get the highest Rssi Waypoint as our interested waypoint
foreach (KeyValuePair <RegionWaypointPoint, int> calculateMax in signalAvgValue)
{
if (tempValue < calculateMax.Value)
{
possibleRegionWaypoint = new RegionWaypointPoint();
possibleRegionWaypoint = calculateMax.Key;
haveThing = true;
}
tempValue = calculateMax.Value;
}
if (haveThing == true)
{
_event.OnEventCall(new WaypointSignalEventArgs
{
_detectedRegionWaypoint = possibleRegionWaypoint
});
return;
}
}
}
public void DetectWaypoints()
{
List <BeaconSignalModel> removeSignalBuffer =
new List <BeaconSignalModel>();
lock (_bufferLock)
{
removeSignalBuffer.AddRange(
_beaconSignalBuffer.Where(c =>
c.Timestamp < DateTime.Now.AddMilliseconds(-1500)));
foreach (var obsoleteBeaconSignal in removeSignalBuffer)
{
_beaconSignalBuffer.Remove(obsoleteBeaconSignal);
}
Dictionary <RegionWaypointPoint, List <BeaconSignal> > scannedData =
new Dictionary <RegionWaypointPoint, List <BeaconSignal> >();
Dictionary <RegionWaypointPoint, int> signalAvgValue =
new Dictionary <RegionWaypointPoint, int>();
Dictionary <RegionWaypointPoint, List <BeaconSignal> > correctData =
new Dictionary <RegionWaypointPoint, List <BeaconSignal> >();
if (watch.Elapsed.TotalMilliseconds >= _clockResetTime)
{
watch.Stop();
watch.Reset();
watch.Start();
Utility._ibeaconScan.StopScan();
Utility._ibeaconScan.StartScan();
}
//Mapping the interested beacon and cancel the beacon which has
//too low threshold
foreach (BeaconSignalModel beacon in _beaconSignalBuffer)
{
foreach (WaypointBeaconsMapping waypointBeaconsMapping
in _waypointBeaconsList)
{
foreach (Guid beaconGuid
in waypointBeaconsMapping._Beacons)
{
if ((beacon.UUID.Equals(beaconGuid)) &&
(beacon.RSSI >
(waypointBeaconsMapping.
_BeaconThreshold[beacon.UUID]
- rssiOption)))
{
if (!scannedData.Keys.Contains
(waypointBeaconsMapping._WaypointIDAndRegionID))
{
scannedData.Add
(waypointBeaconsMapping.
_WaypointIDAndRegionID,
new List <BeaconSignal> {
beacon
});
}
else
{
scannedData
[waypointBeaconsMapping.
_WaypointIDAndRegionID]
.Add(beacon);
}
}
}
}
}
//Make sure we have got more than two interested guid in each
//waypoint
foreach (KeyValuePair <RegionWaypointPoint, List <BeaconSignal> >
interestedBeacon
in scannedData)
{
//Console.WriteLine("Key : " + interestedBeacon.Value);
Dictionary <Guid, List <BeaconSignal> > tempSave =
new Dictionary <Guid, List <BeaconSignal> >();
foreach (BeaconSignal beaconSignal in interestedBeacon.Value)
{
if (!tempSave.Keys.Contains(beaconSignal.UUID))
{
tempSave.Add(beaconSignal.UUID,
new List <BeaconSignal> {
beaconSignal
});
}
else
{
tempSave[beaconSignal.UUID].Add(beaconSignal);
}
}
if (tempSave.Keys.Count() >= _moreThanTwoIBeacon)
{
correctData.Add(interestedBeacon.Key,
interestedBeacon.Value);
}
}
foreach (KeyValuePair <RegionWaypointPoint, List <BeaconSignal> >
calculateData in correctData)
{
//If a waypoint has at least two beacon UUIDs,
//this waypoint might be our interested waypoint.
if (calculateData.Value.Count() >= _moreThanTwoIBeacon)
{
Dictionary <Guid, List <int> > saveEachBeacons =
new Dictionary <Guid, List <int> >();
//Sort the beacons by their Rssi
calculateData.Value.Sort((x, y) =>
{ return(x.RSSI.CompareTo(y.RSSI)); });
int avgSignal = 0;
//int averageSignal = 0;
//List<int> signalOfEachBeacon = new List<int>();
//If we have more than ten data, we remove the highest 10%
//and the lowest 10%, and calculate their average
//If we have not more than 10 data,
//we just calculate their average
if (calculateData.Value.Count() >= 10)
{
int min = Convert.ToInt32(scannedData.Count() * 0.1);
int max = Convert.ToInt32(scannedData.Count() * 0.9);
int minus = max - min;
for (int i = min; i < max; i++)
{
avgSignal += calculateData.Value[i].RSSI;
}
avgSignal = avgSignal / minus;
}
else
{
foreach (BeaconSignal value in calculateData.Value)
{
avgSignal += value.RSSI;
}
avgSignal = avgSignal / calculateData.Value.Count();
}
signalAvgValue.Add(calculateData.Key, avgSignal);
}
}
int tempValue = -100;
bool haveThing = false;
RegionWaypointPoint possibleRegionWaypoint =
new RegionWaypointPoint();
// Compare all data we have, and get the highest Rssi Waypoint as
// our interested waypoint
foreach (KeyValuePair <RegionWaypointPoint, int> calculateMax
in signalAvgValue)
{
if (tempValue < calculateMax.Value)
{
possibleRegionWaypoint = new RegionWaypointPoint();
possibleRegionWaypoint = calculateMax.Key;
haveThing = true;
}
tempValue = calculateMax.Value;
}
if (haveThing == true)
{
watch.Stop();
watch.Reset();
watch.Start();
Console.WriteLine("Matched IBeacon");
_event.OnEventCall(new WaypointSignalEventArgs
{
_detectedRegionWaypoint = possibleRegionWaypoint
});
return;
}
}
}
