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More robust stream connection thread #37

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More robust stream connection thread #37

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e6b17b0
Merge pull request #6 from Axadiw/master
b23prodtm Dec 4, 2017
112d164
added a gamepad keep alive feature
Dec 5, 2017
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99 changes: 62 additions & 37 deletions MFIGamepadShared/Gamepad.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ public class Gamepad: IDisposable
private readonly HidDeviceLoader _hidDeviceLoader;
private readonly VGenWrapper _vGenWrapper;
private Thread _gamepadUpdateThread;
private Thread _gamepadAliveThread;
private IDictionary<XInputGamepadButtons, XInputGamepadButtons> _virtualMappings;

public Gamepad(GamepadConfiguration config, VGenWrapper vGenWrapper, HidDeviceLoader hidDeviceLoader)
Expand Down Expand Up @@ -107,6 +108,49 @@ private void Log(string message)
ErrorOccuredEvent?.Invoke(this, message);
}

private void _deviceStream(HidDevice device, HidStream stream)
{
Thread.CurrentThread.IsBackground = true;

try
{
using (stream)
{
while (true)
{
if (!Thread.CurrentThread.IsAlive)
{
break;
}

var bytes = new byte[device.MaxInputReportLength];
int count;
try
{
count = stream.Read(bytes, 0, bytes.Length);
}
catch (TimeoutException)
{
continue;
}
catch (Exception ex)
{
Log(ex.Message);
break;
}

if (count > 0)
{
UpdateState(bytes);
}
}
}
}
catch (Exception ex)
{
Log(ex.Message);
}
}
private bool PlugInToHidDeviceAndStartLoop()
{
var device =
Expand Down Expand Up @@ -135,50 +179,31 @@ private bool PlugInToHidDeviceAndStartLoop()

_gamepadUpdateThread?.Abort();
_gamepadUpdateThread = new Thread(() =>
{
_deviceStream(device, stream);
});
_gamepadUpdateThread.Start();
_gamepadAliveThread?.Abort();
_gamepadAliveThread = new Thread(() =>
{
Thread.CurrentThread.IsBackground = true;

try
while (_gamepadUpdateThread.IsAlive)
{
using (stream)
_gamepadUpdateThread.Join();
Log($"Lost connection. Waiting for the device...");
while (!device.TryOpen(out stream))
{
while (true)
{
if (!Thread.CurrentThread.IsAlive)
{
break;
}

var bytes = new byte[device.MaxInputReportLength];
int count;
try
{
count = stream.Read(bytes, 0, bytes.Length);
}
catch (TimeoutException)
{
continue;
}
catch (Exception ex)
{
Log(ex.Message);
break;
}

if (count > 0)
{
UpdateState(bytes);
}
}
Thread.Sleep(1000);
}
}
catch (Exception ex)
{
Log(ex.Message);
_gamepadUpdateThread = new Thread(() =>
{
Log($"Stream was resumed.");
_deviceStream(device, stream);
});
_gamepadUpdateThread.Start();
}
});
_gamepadUpdateThread.Start();

_gamepadAliveThread.Start();
return true;
}

Expand Down