/// <summary>Raises the <see cref="GpsSentence"/> event</summary>
/// <param name="e">Event arguments</param>
protected virtual void OnGpsSentence(GpsSentenceEventArgs e)
{
if (GpsSentence != null)
{
GpsSentence(this, e);
}
}
void LogSentence(GpsSentenceEventArgs e)
{
if (InvokeRequired)
{
BeginInvoke(new Action<GpsSentenceEventArgs>(LogSentence), e);
return;
}
lock (sentenceCounterSyncObj)
{
if (sentenceCounter - e.Counter > 10)
{
return; //Too much sentences in queue for logging
}
}
WriteToTextbox(e.Sentence);
if (!logSentenceOnStack)
{
logSentenceOnStack = true;
try { Application.DoEvents(); }
finally { logSentenceOnStack = false; }
}
}
/// <summary>Called when a GPS sencence is received</summary>
/// <param name="sender">A GPS provider</param>
/// <param name="e">Event arguments containing a GPS sentence</param>
void GpsSentenceEvent(GpsProvider sender, GpsSentenceEventArgs e)
{
if (logEverything)
{//Verbose (to textbox)
System.Threading.Thread.Sleep(200); //It might go too fast.
if (e.Sentence != previousSentence)
{
lock (sentenceCounterSyncObj) sentenceCounter = e.Counter;
LogSentence(e);
previousSentence = e.Sentence;
}
}
if (AdvancedConfig.NmeaLog)
{//NMEA file logging
if (nmeaFileName == null)
{
string nmeaFileLocation;
if (String.IsNullOrEmpty(AdvancedConfig.LogFileLocation))
{
nmeaFileLocation = Path.GetDirectoryName(Assembly.GetExecutingAssembly().GetName().CodeBase);
}
else
{
nmeaFileLocation = AdvancedConfig.LogFileLocation;
}
nmeaFileName = Path.Combine(nmeaFileLocation, DateTime.Now.ToString("yyyyMMdd_HHmmss",
CultureInfo.InvariantCulture) + ".nmea");
}
if (!File.Exists(nmeaFileName))
{
if (!Directory.Exists(Path.GetDirectoryName(nmeaFileName)))
{
try
{
Directory.CreateDirectory(Path.GetDirectoryName(nmeaFileName));
}
catch (Exception ex)
{
WriteToTextbox(string.Format(Properties.Resources.err_NmeaCreateDir, nmeaFileName, ex.Message));
return;
}
}
}
try
{
using (FileStream file = File.Open(nmeaFileName, FileMode.OpenOrCreate, FileAccess.Write, FileShare.Write))
{
file.Seek(file.Length, SeekOrigin.Begin);
StreamWriter w = new StreamWriter(file);
w.WriteLine(e.Sentence);
w.Flush();
}
}
catch (Exception ex)
{
WriteToTextbox(string.Format(Properties.Resources.err_NmeaOpenFile, nmeaFileName, ex.Message));
}
}
}
/// <summary>Raises the <see cref="GpsSentence"/> event</summary>
/// <param name="e">Event arguments</param>
protected virtual void OnGpsSentence(GpsSentenceEventArgs e)
{
if (GpsSentence != null) GpsSentence(this, e);
}