private void btnAdd_Click(object sender, EventArgs e)
{
if (tabControl.SelectedTab.Name == "tpLogfile")
{
CANStreamer_Logfile newStream = CANStreamer_Logfile.OpenNew();
if (newStream != null)
{
StreamManager.AddStream(newStream);
}
}
else if (tabControl.SelectedTab.Name == "tpComPort2000")
{
StreamManager.AddStream(new CANStreamer_NGT1_2000()
{
PortName = (SerialPort.GetPortNames())[0], Name = "<New NMEA 2000 Stream>"
});
}
else if (tabControl.SelectedTab.Name == "tpComPort0183")
{
StreamManager.AddStream(new CANStreamer_N0183()
{
PortName = (SerialPort.GetPortNames())[0], Name = "<New NMEA 0183 Stream>"
});
}
else if (tabControl.SelectedTab.Name == "tpInternet")
{
CANStreamer_Network tcpServer = new CANStreamer_Network();
AddNetForm addForm = new AddNetForm(tcpServer);
addForm.ShowDialog();
if (addForm.resultOK == true)
{
StreamManager.AddStream(tcpServer);
}
}
else if (tabControl.SelectedTab.Name == "tpLogging")
{
SaveFileDialog oDialog = new SaveFileDialog();
oDialog.Filter = "XML Log File (*.xml)|*.xml";
if (oDialog.ShowDialog() == DialogResult.OK)
{
CANStreamer_Logger newStream = new CANStreamer_Logger()
{
FileName = oDialog.FileName, Name = Path.GetFileNameWithoutExtension(oDialog.FileName)
};
StreamManager.AddStream(newStream);
}
}
else if (tabControl.SelectedTab.Name == "tpGen")
{
StreamManager.AddStream(new CANStreamer_Generator()
{
Name = "<New Generator>", MessagePrefix = "$NEW"
});
}
UpdateButtons();
}
public async Task StartStream(string streamName, ChannelReader <string> streamContent)
{
// TODO:
// Only allow each client to stream one at a time
var channel = Channel.CreateBounded <string>(options: new BoundedChannelOptions(2)
{
FullMode = BoundedChannelFullMode.DropOldest
});
if (!_streamManager.AddStream(streamName, channel))
{
throw new HubException("This stream name has already been taken.");
}
await Clients.Others.SendAsync("NewStream", streamName);
try
{
// TODO: I didn't think `Context.ConnectionAborted` was needed here... need to check that out
while (await streamContent.WaitToReadAsync(Context.ConnectionAborted))
{
while (streamContent.TryRead(out var content))
{
await channel.Writer.WriteAsync(content);
}
}
}
catch (Exception exception)
{
channel.Writer.Complete(exception);
}
finally
{
_streamManager.RemoveStream(streamName);
await Clients.Others.SendAsync("RemoveStream", streamName);
}
channel.Writer.Complete();
}
