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Ntrip client returns an independent stream instead of using events

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This commit is contained in:
Morten Nielsen 2020-07-31 00:17:11 -07:00
parent 1331ad8fcf
commit fbd85f1b31
2 changed files with 87 additions and 122 deletions
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68
src/SampleApp.WinDesktop/NtripView.xaml.cs
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@ -2,6 +2,7 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
@ -36,7 +37,6 @@ namespace SampleApp.WinDesktop
return;
}
client = new NmeaParser.Gnss.Ntrip.Client(host.Text, portNumber, username.Text, password.Password);
client.DataReceived += Client_DataReceived;
List<NtripStream> sources;
try
{
@ -49,66 +49,32 @@ namespace SampleApp.WinDesktop
}
sourceList.ItemsSource = sources.OrderBy(s=>s.CountryCode);
}
Func<Task> stop;
private async void Connect_Click(object sender, RoutedEventArgs e)
Stream ntripStream;
private void Connect_Click(object sender, RoutedEventArgs e)
{
var stream = ((Button)sender).DataContext as NtripStream;
if (stream == null)
var streaminfo = ((Button)sender).DataContext as NtripStream;
if (streaminfo == null)
return;
if (stop != null)
ntripStream?.Dispose();
var stream = ntripStream = client.OpenStream(streaminfo.Mountpoint);
_ = Task.Run(async () =>
{
try
byte[] buffer = new byte[1024];
while (true)
{
await stop();
}
catch { }
stop = null;
}
counter = 0;
client.Connect(stream.Mountpoint);
client.Disconnected += (s, e) =>
{
Debug.WriteLine("NTRIP Stream Disconnected. Retrying...");
// Try and reconnect after a disconnect
client.Connect(stream.Mountpoint);
};
stop = () => client.CloseAsync();
ntripstatus.Text = $"Connected";
}
System.Threading.Tasks.Task writingTask;
object writeLock = new object();
long counter = 0;
private async void Client_DataReceived(object sender, byte[] rtcm)
{
var device = MainWindow.currentDevice;
if (device != null && device.CanWrite)
{
try
{
//lock (writeLock)
var count = await stream.ReadAsync(buffer);
var device = MainWindow.currentDevice;
if (device != null && device.CanWrite)
{
await device.WriteAsync(rtcm, 0, rtcm.Length);
counter += rtcm.Length;
await device.WriteAsync(buffer, 0, count);
Dispatcher.Invoke(() =>
{
ntripstatus.Text = $"Transmitted {counter} bytes";
ntripstatus.Text = $"Transmitted {ntripStream.Position} bytes";
});
}
}
catch
{
}
}
//ParseData(rtcm);
}
Queue<byte> rtcmData = new Queue<byte>();
private void ParseData(byte[] rtcm)
{
foreach (var b in rtcm)
rtcmData.Enqueue(b);
});
ntripstatus.Text = $"Connected";
}
}
}