internal void OnDeviceHubConnected(string workstationId, IRemoteCommands caller)
{
Task.Run(async() =>
{
RemoteDeviceDescription descr = null;
try
{
_appConnections.TryGetValue(workstationId, out descr);
if (descr != null)
{
var connectionContainer = _connectionContainers.GetOrAdd(workstationId, (c) => new DeviceConnectionContainer(caller, _deviceId));
var deviceConnection = new SignalRRemoteDeviceConnection(connectionContainer);
var commandQueue = new CommandQueue(deviceConnection, null);
var deviceCommands = new HesDeviceCommands(connectionContainer);
var remoteDevice = new Device(commandQueue, channelNo, deviceCommands, null);
descr.Device = remoteDevice;
await remoteDevice.VerifyAndInitialize();
// Inform clients about connection ready
descr.Tcs.TrySetResult(remoteDevice);
}
}
catch (Exception ex)
{
descr.Device = null;
// inform clients about connection fail
descr.Tcs?.TrySetException(ex);
}
});
}
public async Task <Device> ConnectDevice(string workstationId)
{
RemoteDeviceDescription descr = null;
if (workstationId == null)
{
// trying to connect to any workstation, first, look for that where Device is not empty
descr = _appConnections.Values.Where(x => x.Device != null).FirstOrDefault();
if (descr == null)
{
descr = _appConnections.Values.FirstOrDefault();
}
}
else
{
_appConnections.TryGetValue(workstationId, out descr);
}
if (descr == null)
{
throw new HideezException(HideezErrorCode.DeviceNotConnectedToAnyHost);
}
TaskCompletionSource <Device> tcs = null;
lock (descr)
{
if (descr.Device != null)
{
return(descr.Device);
}
tcs = descr.Tcs;
if (tcs == null)
{
descr.Tcs = new TaskCompletionSource <Device>();
}
}
if (tcs != null)
{
return(await tcs.Task);
}
try
{
// call Hideez Client to make remote channel
await descr.AppConnection.EstablishRemoteHwVaultConnection(_deviceId, channelNo);
await descr.Tcs.Task.TimeoutAfter(20_000);
return(descr.Device);
}
catch (TimeoutException)
{
var ex = new HideezException(HideezErrorCode.RemoteConnectionTimedOut);
descr.Tcs.TrySetException(ex);
throw ex;
}
catch (Exception ex)
{
descr.Tcs.TrySetException(ex);
throw;
}
finally
{
lock (descr)
{
descr.Tcs = null;
}
}
}