public void HandleGPSTracker(Object obj)
{
TcpClient client = (TcpClient)obj;
var stream = client.GetStream();
string deviceID = "";
try
{
string command = "";
byte receivedChar;
while (true)
{
try
{
int receivedData = stream.ReadByte();
if (receivedData == -1)
{
continue;
}
receivedChar = (byte)receivedData;
if (receivedChar == '*')
{
command = "";
}
else if (receivedChar == '#')
{
// process full message
log.Debug(command);
string[] segments = command.Split(',');
// 0 1 2 3 4 5 6 7 8 9 10
// HQ,6028189208,V1,154919,A,5103.6043,N,00343.9613,E,000.40,344,130221,FFFFFBFF,206,20,1501,51814,05,27
if (segments.Length == 19)
{
if (segments[1] != deviceID)
{
log.DebugFormat("Client sent deviceID: {0}", segments[1]);
if (deviceID != "")
{
log.WarnFormat("Device ID changed in-flight! old: {0} new: {1}", deviceID, segments[1]);
}
deviceID = segments[1];
}
if (segments[2] != "V1")
{
continue;
}
// check if receiver has lock on GPS
if (segments[4] != "A")
{
continue;
}
var trackerMessage = new TrackerMessage(deviceID);
trackerMessage.SetLatLong(segments[5], segments[6], segments[7], segments[8]);
trackerMessage.Speed = Convert.ToDouble(segments[9]);
trackerMessage.Direction = Convert.ToInt32(segments[10]);
log.InfoFormat("Received tracker message: {0}", trackerMessage.ToString());
if (TrackingInfoReceived != null)
{
TrackingInfoReceived(trackerMessage);
}
}
}
else
{
command += ASCIIEncoding.ASCII.GetString(new byte[] { receivedChar });
}
}
catch (Exception e)
{
log.Debug(e);
}
}
}
catch (SocketException e)
{
log.ErrorFormat("SocketException: {0}", e);
}
}
