public static void ReadMessage(Stream st1)
{
bool avr = false;
bool binary = false;
int avrcount = 0;
st1.ReadTimeout = 10000;
//st.ReadTimeout = 5000;
while (run)
{
int by = st1.ReadByte();
if (by == -1)
break;
if (by == '*')
{
avrcount++;
if (avrcount >= 4)
avr = true;
if (avr)
{
Plane plane = ReadMessage('*' + ReadLine(st1));
if (plane != null)
{
PointLatLngAltHdg plla = new PointLatLngAltHdg(plane.plla());
plla.Heading = (float)plane.heading;
if (plla.Lat == 0 && plla.Lng == 0)
continue;
if (UpdatePlanePosition != null && plla != null)
UpdatePlanePosition(plla, EventArgs.Empty);
//Console.WriteLine(plane.pllalocal(plane.llaeven));
Console.WriteLine(plane.ID + " " + plla);
}
}
}
else if ((by == 'M' || by == 'S' || by == 'A' || by == 'I' || by == 'C') && !binary) // msg clk sta air id sel
{
string line = ((char)by) +ReadLine(st1);
if (line.StartsWith("MSG"))
{
string[] strArray = line.Split(new char[] { ',' });
if (strArray[1] == "3") // airborne pos
{
String session_id = strArray[2];// String. Database session record number.
String aircraft_id = strArray[3];// String. Database aircraft record number.
String hex_ident = strArray[4];//String. 24-bit ICACO ID, in hex.
String flight_id = strArray[5];//String. Database flight record number.
String generated_date = strArray[6];// String. Date the message was generated.
String generated_time = strArray[7];//String. Time the message was generated.
String logged_date = strArray[8];//String. Date the message was logged.
String logged_time = strArray[9];//String. Time the message was logged.
String callsign = strArray[10];//String. Eight character flight ID or callsign.
int altitude = 0;
try
{
altitude = (int)double.Parse(strArray[11], CultureInfo.InvariantCulture);// Integer. Mode C Altitude relative to 1013 mb (29.92" Hg).
}
catch { }
double lat = 0;
try
{
lat = double.Parse(strArray[14], CultureInfo.InvariantCulture);//Float. Latitude.
}
catch { }
double lon = 0;
try
{
lon = double.Parse(strArray[15], CultureInfo.InvariantCulture);//Float. Longitude
}
catch { }
bool is_on_ground = strArray[21] != "0";//Boolean. Flag to indicate ground squat switch is active.
if (Planes[hex_ident] == null)
Planes[hex_ident] = new Plane();
Plane plane = ((Plane)Planes[hex_ident]);
if (lat == 0 && lon == 0)
continue;
if (UpdatePlanePosition != null && plane != null)
UpdatePlanePosition(new PointLatLngAltHdg(lat, lon, altitude / 3.048, (float)plane.heading, hex_ident), EventArgs.Empty);
}
else if (strArray[1] == "4")
{
String session_id = strArray[2];// String. Database session record number.
String aircraft_id = strArray[3];// String. Database aircraft record number.
String hex_ident = strArray[4];//String. 24-bit ICACO ID, in hex.
String flight_id = strArray[5];//String. Database flight record number.
String generated_date = strArray[6];// String. Date the message was generated.
String generated_time = strArray[7];//String. Time the message was generated.
String logged_date = strArray[8];//String. Date the message was logged.
String logged_time = strArray[9];//String. Time the message was logged.
if (Planes[hex_ident] == null)
Planes[hex_ident] = new Plane();
try
{
int ground_speed = (int)double.Parse(strArray[12], CultureInfo.InvariantCulture);// Integer. Speed over ground.
}
catch { }
try
{
((Plane)Planes[hex_ident]).heading = (int)double.Parse(strArray[13], CultureInfo.InvariantCulture);//Integer. Ground track angle.
}
catch { }
}
else if (strArray[1] == "1")
{
String session_id = strArray[2];// String. Database session record number.
String aircraft_id = strArray[3];// String. Database aircraft record number.
String hex_ident = strArray[4];//String. 24-bit ICACO ID, in hex.
String flight_id = strArray[5];//String. Database flight record number.
String generated_date = strArray[6];// String. Date the message was generated.
String generated_time = strArray[7];//String. Time the message was generated.
String logged_date = strArray[8];//String. Date the message was logged.
String logged_time = strArray[9];//String. Time the message was logged.
String callsign = strArray[10];//String. Eight character flight ID or callsign.
if (Planes[hex_ident] == null)
Planes[hex_ident] = new Plane();
((Plane)Planes[hex_ident]).CallSign = callsign;
}
}
else
{
log.Info(line);
}
}
else if (by == 0x1a)
{
avr = false;
byte[] buffer = new byte[24];
buffer[0] = (byte)by;
int type = st1.ReadByte();
buffer[1] = (byte)type;
st1.Read(buffer, 2, 7);
switch (type)
{
case '1': // mode-ac
// 2 bytes
st1.Read(buffer, 9, 2);
//log.Info("1");
break;
case '2': // mode-s short
st1.Read(buffer, 9, 7);
//log.Info("2");
break;
case '3': // mode-s long
st1.Read(buffer, 9, 14);
//log.Info("3");
Plane plane = ReadMessage(buffer);
if (plane != null)
{
binary = true;
PointLatLngAltHdg plla = new PointLatLngAltHdg(plane.plla());
if (plla == null)
break;
if (plla.Lat == 0 && plla.Lng == 0)
continue;
plla.Heading = (float)plane.heading;
if (UpdatePlanePosition != null && plla != null)
UpdatePlanePosition(plla, EventArgs.Empty);
//Console.WriteLine(plane.pllalocal(plane.llaeven));
Console.WriteLine(plla);
}
break;
default:
break;
}
}
else
{
log.Info("bad sync 0x" + by.ToString("X2") + " " + (char)by);
}
}
}
public static void ReadMessage(Stream st1)
{
bool avr = false;
bool binary = false;
int avrcount = 0;
st1.ReadTimeout = 10000;
//st.ReadTimeout = 5000;
while (true)
{
int by = st1.ReadByte();
if (by == -1)
{
break;
}
if (by == '*')
{
avrcount++;
if (avrcount >= 4)
{
avr = true;
}
if (avr)
{
Plane plane = ReadMessage('*' + ReadLine(st1));
if (plane != null)
{
PointLatLngAltHdg plla = new PointLatLngAltHdg(plane.plla());
plla.Heading = (float)plane.heading;
if (plla.Lat == 0 && plla.Lng == 0)
{
continue;
}
if (UpdatePlanePosition != null && plla != null)
{
UpdatePlanePosition(plla, new EventArgs());
}
//Console.WriteLine(plane.pllalocal(plane.llaeven));
Console.WriteLine(plane.ID + " " + plla);
}
}
}
else if ((by == 'M' || by == 'S' || by == 'A' || by == 'I' || by == 'C') && !binary) // msg clk sta air id sel
{
string line = ((char)by) + ReadLine(st1);
if (line.StartsWith("MSG"))
{
string[] strArray = line.Split(new char[] { ',' });
if (strArray[1] == "3") // airborne pos
{
String session_id = strArray[2]; // String. Database session record number.
String aircraft_id = strArray[3]; // String. Database aircraft record number.
String hex_ident = strArray[4]; //String. 24-bit ICACO ID, in hex.
String flight_id = strArray[5]; //String. Database flight record number.
String generated_date = strArray[6]; // String. Date the message was generated.
String generated_time = strArray[7]; //String. Time the message was generated.
String logged_date = strArray[8]; //String. Date the message was logged.
String logged_time = strArray[9]; //String. Time the message was logged.
String callsign = strArray[10]; //String. Eight character flight ID or callsign.
int altitude = 0;
try
{
altitude = (int)double.Parse(strArray[11], CultureInfo.InvariantCulture);// Integer. Mode C Altitude relative to 1013 mb (29.92" Hg).
}
catch { }
double lat = 0;
try
{
lat = double.Parse(strArray[14], CultureInfo.InvariantCulture);//Float. Latitude.
}
catch { }
double lon = 0;
try
{
lon = double.Parse(strArray[15], CultureInfo.InvariantCulture);//Float. Longitude
}
catch { }
bool is_on_ground = strArray[21] != "0";//Boolean. Flag to indicate ground squat switch is active.
if (Planes[hex_ident] == null)
{
Planes[hex_ident] = new Plane();
}
Plane plane = ((Plane)Planes[hex_ident]);
if (lat == 0 && lon == 0)
{
continue;
}
if (UpdatePlanePosition != null && plane != null)
{
UpdatePlanePosition(new PointLatLngAltHdg(lat, lon, altitude / 3.048, (float)plane.heading, hex_ident), new EventArgs());
}
}
else if (strArray[1] == "4")
{
String session_id = strArray[2]; // String. Database session record number.
String aircraft_id = strArray[3]; // String. Database aircraft record number.
String hex_ident = strArray[4]; //String. 24-bit ICACO ID, in hex.
String flight_id = strArray[5]; //String. Database flight record number.
String generated_date = strArray[6]; // String. Date the message was generated.
String generated_time = strArray[7]; //String. Time the message was generated.
String logged_date = strArray[8]; //String. Date the message was logged.
String logged_time = strArray[9]; //String. Time the message was logged.
if (Planes[hex_ident] == null)
{
Planes[hex_ident] = new Plane();
}
try
{
int ground_speed = (int)double.Parse(strArray[12], CultureInfo.InvariantCulture);// Integer. Speed over ground.
}
catch { }
try
{
((Plane)Planes[hex_ident]).heading = (int)double.Parse(strArray[13], CultureInfo.InvariantCulture);//Integer. Ground track angle.
}
catch { }
}
else if (strArray[1] == "1")
{
String session_id = strArray[2]; // String. Database session record number.
String aircraft_id = strArray[3]; // String. Database aircraft record number.
String hex_ident = strArray[4]; //String. 24-bit ICACO ID, in hex.
String flight_id = strArray[5]; //String. Database flight record number.
String generated_date = strArray[6]; // String. Date the message was generated.
String generated_time = strArray[7]; //String. Time the message was generated.
String logged_date = strArray[8]; //String. Date the message was logged.
String logged_time = strArray[9]; //String. Time the message was logged.
String callsign = strArray[10]; //String. Eight character flight ID or callsign.
if (Planes[hex_ident] == null)
{
Planes[hex_ident] = new Plane();
}
((Plane)Planes[hex_ident]).CallSign = callsign;
}
}
else
{
log.Info(line);
}
}
else if (by == 0x1a)
{
avr = false;
byte[] buffer = new byte[24];
buffer[0] = (byte)by;
int type = st1.ReadByte();
buffer[1] = (byte)type;
st1.Read(buffer, 2, 7);
switch (type)
{
case '1': // mode-ac
// 2 bytes
st1.Read(buffer, 9, 2);
//log.Info("1");
break;
case '2': // mode-s short
st1.Read(buffer, 9, 7);
//log.Info("2");
break;
case '3': // mode-s long
st1.Read(buffer, 9, 14);
//log.Info("3");
Plane plane = ReadMessage(buffer);
if (plane != null)
{
binary = true;
PointLatLngAltHdg plla = new PointLatLngAltHdg(plane.plla());
if (plla == null)
{
break;
}
if (plla.Lat == 0 && plla.Lng == 0)
{
continue;
}
plla.Heading = (float)plane.heading;
if (UpdatePlanePosition != null && plla != null)
{
UpdatePlanePosition(plla, new EventArgs());
}
//Console.WriteLine(plane.pllalocal(plane.llaeven));
Console.WriteLine(plla);
}
break;
default:
break;
}
}
else
{
log.Info("bad sync 0x" + by.ToString("X2") + " " + (char)by);
}
}
}
