private void OnDeviceDiscovery(DeviceDiscoveryEvent discoveryEvent)
{
if (_monitoringEvents)
{
if (discoveryEvent.DeviceDetails.MacAddress.IsNullOrEmpty() || !BleSystemConfiguration.BleTransmitters.ContainsKey(discoveryEvent.DeviceDetails.MacAddress))
{
return;
}
_discoveredEventHandler.Post(discoveryEvent);
OnLogMessage(string.Format("Discovered: Name: {0}, Mac: {1} RSSI: {2}, IP: {3}", discoveryEvent.DeviceDetails.Name, discoveryEvent.DeviceDetails.MacAddress,
discoveryEvent.Rssi, discoveryEvent.BleReceiver.IPAddress));
}
}
private void ExtractMacAddress(DeviceDiscoveryEvent discoveryEvent, string line)
{
var lineParts = line.Split(new [] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var linePart in lineParts)
{
if (linePart.IsValidMacAddress())
{
discoveryEvent.DeviceDetails.MacAddress = linePart;
return;
}
}
}
private void ExtractDeviceName(DeviceDiscoveryEvent discoveryEvent, string line)
{
var nameStartIndex = line.IndexOf("'", StringComparison.Ordinal);
if (nameStartIndex < 0 || nameStartIndex > line.Length - 3)
{
Console.WriteLine("Couldn't extract device name from {0}", line);
return;
}
nameStartIndex++;
var nameEndIndex = line.IndexOf("'", nameStartIndex, StringComparison.Ordinal);
if (nameEndIndex < 0)
{
Console.WriteLine("Couldn't extract device name from {0} - couldn't find end of name", line);
return;
}
discoveryEvent.DeviceDetails.Name = line.Substring(nameStartIndex, nameEndIndex - nameStartIndex);
}
private void ExtractRSSI(DeviceDiscoveryEvent discoveryEvent, string line)
{
var lineParts = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (lineParts.Length <= 1)
{
Console.WriteLine("Can't extract RSSI from {0}", line);
return;
}
foreach (var linePart in lineParts)
{
int rssi;
if (int.TryParse(linePart, out rssi))
{
discoveryEvent.Rssi = rssi;
return;
}
}
}
private void ProcessFinalizedMessage(MessageWrapper messageWrapper)
{
var now = DateTime.Now;
var message = messageWrapper.MessageParts.ToString(messageWrapper.MessageStartCharIndex,
messageWrapper.MessageEnd - messageWrapper.MessageStartCharIndex + 1);
if (message.IsNullOrEmpty())// || message.IndexOf(UnkownDeviceName, StringComparison.Ordinal) >= 0)
{
return;
}
var lines = message.Split(new[] { "\n" }, StringSplitOptions.RemoveEmptyEntries);
var extractions = new Dictionary <string, Action <DeviceDiscoveryEvent, string> >()
{
{ MacAddressKey, ExtractMacAddress },
{ DeviceNameKey, ExtractDeviceName },
{ RssiKey, ExtractRSSI }
};
var discoveryEvent = new DeviceDiscoveryEvent {
DeviceDetails = new DeviceDetails(), TimeStamp = now
};
foreach (var line in lines)
{
string foundKey = null;
foreach (var extraction in extractions)
{
if (line.IndexOf(extraction.Key, StringComparison.Ordinal) < 0)
{
continue;
}
foundKey = extraction.Key;
extraction.Value(discoveryEvent, line);
break;
}
if (foundKey != null)
{
extractions.Remove(foundKey);
}
}
OnDeviceDiscovery(discoveryEvent);
}
public void HandleDiscoveryEvent(DeviceDiscoveryEvent deviceDiscoveryEvent)
{
Dictionary <string, SignalEventDetails> receiverTransmitters;
if (!_eventsByReceiver.TryGetValue(deviceDiscoveryEvent.BleReceiver, out receiverTransmitters))
{
return;
}
SignalEventDetails eventDetails;
if (!receiverTransmitters.TryGetValue(deviceDiscoveryEvent.DeviceDetails.MacAddress, out eventDetails))
{
return;
}
eventDetails.Rssi = deviceDiscoveryEvent.Rssi;
eventDetails.TimeStamp = deviceDiscoveryEvent.TimeStamp;
eventDetails.Distance = _signalToDistanceConverter.GetDistance(deviceDiscoveryEvent.Rssi);
if (TransmitterSignalDiscovered != null)
{
TransmitterSignalDiscovered(eventDetails);
}
}
private void HandleDiscoveryEvent(DeviceDiscoveryEvent discoveryEvent)
{
if (!_monitoringEvents)
{
return;
}
if (OnRegisteredTransmitterEvent != null)
{
OnRegisteredTransmitterEvent(discoveryEvent);
}
if (!_capturingEvents)
{
return;
}
List <DeviceDiscoveryEvent> events;
lock (_captureLock)
{
if (!_capturingEvents || discoveryEvent.DeviceDetails.MacAddress.IsNullOrEmpty())
{
return;
}
var signalStrength = discoveryEvent.Rssi;
var receiver = discoveryEvent.BleReceiver;
if (signalStrength < receiver.SignalPassLowerBound || signalStrength > receiver.SignalPassUpperBound)
{
OnLogMessage(string.Format("Rssi={0} out of range [{1}:{2}] for {3}", signalStrength,
receiver.SignalPassLowerBound, receiver.SignalPassUpperBound, receiver.IPAddress));
return;
}
if (!_capturedEventsSession.CapturedEvents.TryGetValue(discoveryEvent.DeviceDetails.MacAddress, out events))
{
return;
}
events.Add(discoveryEvent);
}
}
