public static string GetCot(LocationObject location)
{
var lastTime = DateTime.Parse(location.Lasttime);
var timeString = lastTime.ToString("yyyy-MM-ddTHH:mm:ssZ");
// Do we want to add anything to the callsign for the ID?
//"<?xml version=\"1.0\" standalone=\"yes\"?><event version=\"2.0\" uid=\"{0}\" type=\"a-f-A\" how=\"m-r\" time=\"{1}\" start=\"{1}\" stale=\"{2}\"><point lat=\"{3}\" lon=\"{4}\" ce=20\" le=\"20\" hae=\"{5}\" /></event>\"";
return string.Format(_cotTemplate, location.Srccall, timeString, GetStaleTime(), location.Lat, location.Lng, location.Hae);
}
private static LocationObject ParseBody(string source, string body)
{
LocationObject loc = new LocationObject();
loc.Srccall = source;
if (source == "IW7DGY")
{
}
var bodyChars = body.ToCharArray();
var packetType = bodyChars[0];
if (packetType == '=' || packetType =='/' || packetType =='@' )
{
// regular position packet
if (body.Length < 10)
{
loc.Error = "Packet is less than 10 characters. Too short.";
}
// Normal or compressed location packet, with or without
// timestamp, with or without messaging capability
// ! and / have messaging, / and @ have a prepended
// timestamp
var cursor = 1;
if (packetType == '/' || packetType == '@')
{
//Process timestamp.
loc.Lasttime = ParseTime(body);
cursor += 7;
}
char posChar = (char) bodyChars[cursor];
if ('0' <= posChar && posChar <= '9')
{
// Latitude:
/*Latitude is expressed as a fixed 8-character field, in degrees and decimal
minutes (to two decimal places), followed by the letter N for north or S for
south.
Latitude degrees are in the range 00 to 90. Latitude minutes are expressed as
whole minutes and hundredths of a minute, separated by a decimal point.
For example:
4903.50N is 49 degrees 3 minutes 30 seconds north.
In generic format examples, the latitude is shown as the 8-character string
ddmm.hhN (i.e. degrees, minutes and hundredths of a minute north).*/
var rawLat = body.Substring(cursor, 8);
loc.Lat = rawLat.Insert(2, " ");
//Longitude
/*Longitude is expressed as a fixed 9-character field, in degrees and decimal
minutes (to two decimal places), followed by the letter E for east or W for
west.
Longitude degrees are in the range 000 to 180. Longitude minutes are
expressed as whole minutes and hundredths of a minute, separated by a
decimal point.
For example:
07201.75W is 72 degrees 1 minute 45 seconds west.
In generic format examples, the longitude is shown as the 9-character string
dddmm.hhW (i.e. degrees, minutes and hundredths of a minute west).
*/
var rawLng = body.Substring(cursor + 9, 9);
loc.Lng = rawLng.Insert(3, " ");
}
else // compressed packet
{
// if (validSymTableCompressed(posChar)) { /* [\/\\A-Za-j] */
// compressed position packet
// position = PositionParser.parseCompressed(msgBody, cursor);
// this.extension = PositionParser.parseCompressedExtension(msgBody, cursor);
//// positionSource = "Compressed";
loc.Error = "Compressed packet. I don't know how to handle that yet.";
}
}
else if(packetType == '`' || packetType == '\\')
{
// MIC-e packet
loc.Error = "MIC-e packet. I don't know how to handle that yet.";
}
else if (packetType == '!')
{
//Ultimeter 2000 weather
// instrument packet
loc.Error = "Ultimeter 2000 packet. I don't think I want to know how to handle that packet type.";
}
else if (packetType == '$')
{
// NMEA packet
loc.Error = "NMEA packet. I don't know how to handle that yet.";
}
else
{
// Not a position message
loc.Error = "Packet does not appear to be a position message.";
}
return loc;
}
// Monitors log file generated by APRSIS32 APRS radio software
void _fileSystemWatcher_Changed(object sender, FileSystemEventArgs e)
{
try
{
if (e.Name == "APRSIS32.log")
{
var lines = File.ReadAllLines(e.FullPath);
int counter = 0;
string line = "";
string uid = "";
string time = "";
string lat = "";
string lng = "";
string hae = "";
string callsign = "";
string comment = "";
if (line.Contains(textBoxCallsign.Text))
{
var elements = line.Split('/');
// If there are 8 elements, we hope this is an IGated position message...
if (elements.Length == 8)
{
// This is what is in my sample file...
/*
[0] "IGate:WinMain:2014-05-10T20:22:03.526 RFtoIS:[Mobilinkd]IGated KG6PPZ-11>KG6PPZ,WIDE2-1,qAR,KG6PPZ:"
[1] "202201h3635.49N"
[2] "08716.31WO000"
[3] "000"
[4] "A=000553"
[5] "Ti=32"
[6] "Te=70"
[7] "V=11429 ForceX high altitude balloon test"
*/
//TODO: figure out how to get timestamp from additional msgs we might process.
// This works for IGATE and KISS log entries
var dateIndex = elements[0].IndexOf(DateTime.Now.Year.ToString());
if (dateIndex >= 0)
{
// TODO: if we are going to process the line, log it
UpdateOutput("Processing log file line: " + line);
//Get callsign - need entire callsign because chase car and balloon use same one
// with different extension
var callsignIndex = elements[0].IndexOf(textBoxCallsign.Text);
if (callsignIndex >= 0)
{
var endCallsignIndex = elements[0].IndexOf('>');
callsign = elements[0].Substring(callsignIndex, endCallsignIndex - callsignIndex);
}
var index = elements[1].IndexOf('h');
if (index > 0)
{
var rawTime = elements[1].Substring(0, index);
var rawLat = elements[1].Substring(index + 1);
// Get raw lat into a decimal string
var degrees = int.Parse(rawLat.Substring(0, 2));
var decimalMinutes = decimal.Parse(rawLat.Substring(2, rawLat.Length - 3));
// limit to 5 decimal places
var decimalDegrees = degrees + (decimalMinutes / 60);
lat = decimalDegrees.ToString("F5", System.Globalization.CultureInfo.InvariantCulture);
if (rawTime.Length == 6)
{
var hour = int.Parse(rawTime.Substring(0, 2));
var minute = int.Parse(rawTime.Substring(2, 2));
var second = int.Parse(rawTime.Substring(4, 2));
DateTime msgTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, hour, minute, second);
time = msgTime.ToString("yyyy-MM-ddTHH:mm:ssZ");
}
}
// Assuming western hemisphere...
index = elements[2].IndexOf('W');
if (index > 0)
{
var rawLon = elements[2].Substring(0, index);
var degrees = int.Parse(rawLon.Substring(0, 3));
var decimalMinutes = decimal.Parse(rawLon.Substring(3));
var decimalDegrees = degrees + (decimalMinutes / 60);
//limit to 5 decimal places
lng = decimalDegrees.ToString("F5", System.Globalization.CultureInfo.InvariantCulture);
}
// parse altitude
if (!string.IsNullOrEmpty(elements[4]))
{
hae = elements[4].Substring(elements[4].IndexOf("A=") + 2);
}
//TODO: looks like there is another field before the comment... what is it?
comment = elements[7];
// Srccall, Lat, Lng, Hae, Lasttime, Comment);
var location = new LocationObject
{
Srccall = callsign,
Lat = lat,
Lng = lng,
Hae = hae,
Lasttime = time,
Comment = comment
};
EmitCot(location);
}
}
}
}
}
finally
{
}
}
// Parses a line from the log file generated by APRSIS32 APRS radio software
void ProcessLine(string line)
{
if (!line.Contains(textBoxCallsign.Text))
return;
try
{
int counter = 0;
string uid = "";
string time = "";
string lat = "";
string lng = "";
string hae = "";
string callsign = "";
string comment = "";
var elements = line.Split('/');
if (elements.Length == 2)
{
/*
[0] "MyCall:WinMain:2014-05-31T19:03:00.367 [TransmitAPRS] KG6PPZ>APWW10,WIDE1-1,WIDE2-1:@190300h3635.50N"
[1] "08716.35WkAPRS-IS for Win32"
*/
var dateIndex = elements[0].IndexOf(DateTime.Now.Year.ToString());
if (dateIndex >= 0)
{
var spaceIndex = elements[0].IndexOf(' ');
var thisTime = elements[0].Substring(dateIndex, elements[0].IndexOf(' ') - dateIndex);
//if we are going to process the line, log it
UpdateOutput("Processing log file line: " + line);
//Get callsign - need entire callsign because chase car and balloon use same one
// with different extension
var callsignIndex = elements[0].IndexOf(textBoxCallsign.Text);
if (callsignIndex >= 0)
{
var endCallsignIndex = elements[0].IndexOf('>');
callsign = elements[0].Substring(callsignIndex, endCallsignIndex - callsignIndex);
}
// messages that parse into 4 elements have the time before the first '/'
var index = elements[0].IndexOf('@');
if (index > 0)
{
var timeLatPart = elements[0].Substring(index);
var timeSeparatorIndex = timeLatPart.IndexOf('h');
if (timeSeparatorIndex > 0)
{
var rawTime = timeLatPart.Substring(1, timeSeparatorIndex - 1);
var rawLat = timeLatPart.Substring(timeSeparatorIndex + 1);
// Get raw lat into a decimal string
var degrees = int.Parse(rawLat.Substring(0, 2));
var decimalMinutes = decimal.Parse(rawLat.Substring(2, rawLat.Length - 3));
// limit to 5 decimal places
var decimalDegrees = degrees + (decimalMinutes / 60);
lat = decimalDegrees.ToString("F5", System.Globalization.CultureInfo.InvariantCulture);
if (rawTime.Length == 6)
{
var hour = int.Parse(rawTime.Substring(0, 2));
var minute = int.Parse(rawTime.Substring(2, 2));
var second = int.Parse(rawTime.Substring(4, 2));
DateTime msgTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, hour, minute, second);
time = msgTime.ToString("yyyy-MM-ddTHH:mm:ssZ");
}
}
}
// Assuming western hemisphere...
index = elements[1].IndexOf('W');
if (index > 0)
{
var rawLon = elements[1].Substring(0, index);
var degrees = int.Parse(rawLon.Substring(0, 3));
var decimalMinutes = decimal.Parse(rawLon.Substring(3));
var decimalDegrees = degrees + (decimalMinutes / 60);
// make longitude negative for western hemisphere
decimalDegrees = decimalDegrees - (2 * decimalDegrees);
//limit to 5 decimal places
lng = decimalDegrees.ToString("F5", System.Globalization.CultureInfo.InvariantCulture);
// parse comment (this size message doesn't have altitude.
if (elements[1].Length > index)
{
comment = elements[1].Substring(index + 1);
}
}
// Srccall, Lat, Lng, Hae, Lasttime, Comment);
var location = new LocationObject
{
Srccall = callsign,
Lat = lat,
Lng = lng,
Hae = hae,
Lasttime = time,
Comment = comment
};
EmitCot(location);
}
}
else if (elements.Length == 4)
{
// Sample of own location from file
/*
[0] "MyCall:WinMain:2014-06-14T15:29:55.108 [TransmitAPRS] KG6PPZ>APWW10,WIDE1-1,WIDE2-1:@152953h3635.52N"
[1] "08716.29Wk056"
[2] "000"
[3] "A=000708APRS-IS for Win32"
*/
var dateIndex = elements[0].IndexOf(DateTime.Now.Year.ToString());
if (dateIndex >= 0)
{
var spaceIndex = elements[0].IndexOf(' ');
var thisTime = elements[0].Substring(dateIndex, elements[0].IndexOf(' ') - dateIndex);
//if we are going to process the line, log it
UpdateOutput("Processing log file line: " + line);
//Get callsign - need entire callsign because chase car and balloon use same one
// with different extension
var callsignIndex = elements[0].IndexOf(textBoxCallsign.Text);
if (callsignIndex >= 0)
{
var endCallsignIndex = elements[0].IndexOf('>');
callsign = elements[0].Substring(callsignIndex, endCallsignIndex - callsignIndex);
}
// messages that parse into 4 elements have the time before the first '/'
var index = elements[0].IndexOf('@');
if (index > 0)
{
var timeLatPart = elements[0].Substring(index);
var timeSeparatorIndex = timeLatPart.IndexOf('h');
if (timeSeparatorIndex > 0)
{
var rawTime = timeLatPart.Substring(1, timeSeparatorIndex - 1);
var rawLat = timeLatPart.Substring(timeSeparatorIndex + 1);
// Get raw lat into a decimal string
var degrees = int.Parse(rawLat.Substring(0, 2));
var decimalMinutes = decimal.Parse(rawLat.Substring(2, rawLat.Length - 3));
// limit to 5 decimal places
var decimalDegrees = degrees + (decimalMinutes / 60);
lat = decimalDegrees.ToString("F5", System.Globalization.CultureInfo.InvariantCulture);
if (rawTime.Length == 6)
{
var hour = int.Parse(rawTime.Substring(0, 2));
var minute = int.Parse(rawTime.Substring(2, 2));
var second = int.Parse(rawTime.Substring(4, 2));
DateTime msgTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, hour, minute, second);
time = msgTime.ToString("yyyy-MM-ddTHH:mm:ssZ");
}
}
}
// Assuming western hemisphere...
index = elements[1].IndexOf('W');
if (index > 0)
{
var rawLon = elements[1].Substring(0, index);
var degrees = int.Parse(rawLon.Substring(0, 3));
var decimalMinutes = decimal.Parse(rawLon.Substring(3));
var decimalDegrees = degrees + (decimalMinutes / 60);
// make longitude negative for western hemisphere
decimalDegrees = decimalDegrees - (2 * decimalDegrees);
//limit to 5 decimal places
lng = decimalDegrees.ToString("F5", System.Globalization.CultureInfo.InvariantCulture);
}
// parse altitude and comment
if (!string.IsNullOrEmpty(elements[3]))
{
hae = elements[3].Substring(elements[3].IndexOf("A=") + 2, 6);
comment = elements[3].Substring(8);
}
// Srccall, Lat, Lng, Hae, Lasttime, Comment);
var location = new LocationObject
{
Srccall = callsign,
Lat = lat,
Lng = lng,
Hae = hae,
Lasttime = time,
Comment = comment
};
EmitCot(location);
}
}
// If there are 8 elements, we hope this is an expected position message...
else if (elements.Length == 8)
{
// sample of IGate data from file...
/*
[0] "IGate:WinMain:2014-05-10T20:22:03.526 RFtoIS:[Mobilinkd]IGated KG6PPZ-11>KG6PPZ,WIDE2-1,qAR,KG6PPZ:"
[1] "202201h3635.49N"
[2] "08716.31WO000"
[3] "000"
[4] "A=000553"
[5] "Ti=32"
[6] "Te=70"
[7] "V=11429 ForceX high altitude balloon test"
*/
var dateIndex = elements[0].IndexOf(DateTime.Now.Year.ToString());
if (dateIndex >= 0)
{
var spaceIndex = elements[0].IndexOf(' ');
var thisTime = elements[0].Substring(dateIndex, elements[0].IndexOf(' ') - dateIndex);
// TODO: if we are going to process the line, log it
UpdateOutput("Processing log file line: " + line);
//Get callsign - need entire callsign because chase car and balloon use same one
// with different extension
var callsignIndex = elements[0].IndexOf(textBoxCallsign.Text);
if (callsignIndex >= 0)
{
var endCallsignIndex = elements[0].IndexOf('>');
callsign = elements[0].Substring(callsignIndex, endCallsignIndex - callsignIndex);
}
var index = elements[1].IndexOf('h');
if (index > 0)
{
var rawTime = elements[1].Substring(0, index);
var rawLat = elements[1].Substring(index + 1);
// Get raw lat into a decimal string
var degrees = int.Parse(rawLat.Substring(0, 2));
var decimalMinutes = decimal.Parse(rawLat.Substring(2, rawLat.Length - 3));
// limit to 5 decimal places
var decimalDegrees = degrees + (decimalMinutes / 60);
lat = decimalDegrees.ToString("F5", System.Globalization.CultureInfo.InvariantCulture);
if (rawTime.Length == 6)
{
var hour = int.Parse(rawTime.Substring(0, 2));
var minute = int.Parse(rawTime.Substring(2, 2));
var second = int.Parse(rawTime.Substring(4, 2));
DateTime msgTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, hour, minute, second);
time = msgTime.ToString("yyyy-MM-ddTHH:mm:ssZ");
}
}
// Assuming western hemisphere...
index = elements[2].IndexOf('W');
if (index > 0)
{
var rawLon = elements[2].Substring(0, index);
var degrees = int.Parse(rawLon.Substring(0, 3));
var decimalMinutes = decimal.Parse(rawLon.Substring(3));
var decimalDegrees = degrees + (decimalMinutes / 60);
// Need negative longitude for W hemisphere
decimalDegrees = decimalDegrees - (2 * decimalDegrees);
//limit to 5 decimal places
lng = decimalDegrees.ToString("F5", System.Globalization.CultureInfo.InvariantCulture);
}
// parse altitude
if (!string.IsNullOrEmpty(elements[4]))
{
hae = elements[4].Substring(elements[4].IndexOf("A=") + 2);
}
//TODO: looks like there is another field before the comment... what is it?
comment = elements[7];
// Srccall, Lat, Lng, Hae, Lasttime, Comment);
var location = new LocationObject
{
Srccall = callsign,
Lat = lat,
Lng = lng,
Hae = hae,
Lasttime = time,
Comment = comment
};
EmitCot(location);
}
}
}
catch (Exception ex)
{
}
finally
{
}
}
private void EmitCot(LocationObject location)
{
if(_udpClient == null)
{
InitializeUdp();
}
if (_udpClient != null)
{
string cotString = CotGenerator.GetCot(location);
_udpClient.SendUdp(cotString);
}
}
