public override void Start()
{
if (running)
{
return;
}
Enabled = true;
client = new EventDrivenTCPClient(Host, Port, true);
client.DataReceived += Client_DataReceived;
client.Connect();
running = true;
}
private void Client_DataReceived(EventDrivenTCPClient sender, object data)
{
rxBuffer += data;
rxBuffer.Replace("\r\n", "\n");
while (rxBuffer.Contains("\n"))
{
string message = rxBuffer.Substring(0, rxBuffer.IndexOf("\n"));
string[] sbs_data = message.ToString().Split(',');
rxBuffer = rxBuffer.Substring(rxBuffer.IndexOf("\n") + 1);
try
{
switch (sbs_data[0])
{
case "MSG":
int icaoID = Convert.ToInt32(sbs_data[4], 16);
Aircraft plane = GetPlane(icaoID);
DateTime messageTime = DateTime.Parse(sbs_data[6] + " " + sbs_data[7]);
//DateTime messageTime = DateTime.UtcNow;
if (plane.LastMessageTime < messageTime)
{
plane.LastMessageTime = messageTime;
}
plane.ModeSCode = icaoID;
switch (sbs_data[1])
{
case "1":
plane.Callsign = sbs_data[10];
break;
case "2":
if (sbs_data[11] != "")
{
plane.Altitude = Int32.Parse(sbs_data[11]);
}
if (sbs_data[12] != "")
{
plane.GroundSpeed = (int)Double.Parse(sbs_data[12]);
}
if (sbs_data[13] != "")
{
plane.Track = (int)Double.Parse(sbs_data[13]);
}
if (sbs_data[14] != "" && sbs_data[15] != "" && messageTime > plane.LastPositionTime)
{
var latitude = Double.Parse(sbs_data[14]);
var longitude = Double.Parse(sbs_data[15]);
var temploc = new GeoPoint(latitude, longitude);
if (InRange(temploc, plane.Altitude))
{
plane.Location = temploc;
plane.LastPositionTime = messageTime;
plane.LocationReceivedBy = this;
}
}
plane.IsOnGround = sbs_data[21] == "-1";
break;
case "3":
if (sbs_data[11] != "")
{
plane.Altitude = Int32.Parse(sbs_data[11]);
}
if (sbs_data[14] != "" && sbs_data[15] != "" && messageTime > plane.LastPositionTime)
{
var latitude = Double.Parse(sbs_data[14]);
var longitude = Double.Parse(sbs_data[15]);
var temploc = new GeoPoint(latitude, longitude);
if (InRange(temploc, plane.Altitude))
{
plane.Location = temploc;
plane.LastPositionTime = messageTime;
plane.LocationReceivedBy = this;
}
}
plane.Alert = sbs_data[18] == "-1";
plane.Emergency = sbs_data[19] == "-1";
plane.Ident = sbs_data[20] == "-1";
plane.IsOnGround = sbs_data[21] == "-1";
break;
case "4":
if (sbs_data[12] != "")
{
plane.GroundSpeed = (int)Double.Parse(sbs_data[12]);
}
if (sbs_data[13] != "")
{
plane.Track = (int)Double.Parse(sbs_data[13]);
}
if (sbs_data[16] != "")
{
plane.VerticalRate = Int32.Parse(sbs_data[16]);
}
break;
case "5":
if (sbs_data[11] != "")
{
plane.Altitude = Int32.Parse(sbs_data[11]);
}
plane.Alert = sbs_data[18] == "-1";
plane.Ident = sbs_data[20] == "-1";
plane.IsOnGround = sbs_data[21] == "-1";
break;
case "6":
if (sbs_data[11] != "")
{
plane.Altitude = Int32.Parse(sbs_data[11]);
}
plane.Squawk = sbs_data[17];
plane.Alert = sbs_data[18] == "-1";
plane.Emergency = sbs_data[19] == "-1";
plane.Ident = sbs_data[20] == "-1";
plane.IsOnGround = sbs_data[21] == "-1";
break;
case "7":
if (sbs_data[11] != "")
{
plane.Altitude = Int32.Parse(sbs_data[11]);
}
plane.IsOnGround = sbs_data[21] == "-1";
break;
case "8":
plane.IsOnGround = sbs_data[21] == "-1";
break;
}
break;
default:
break;
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
rxBuffer = "";
}
}
}