private Task <byte[]> OnListen(MethodCall call)
{
if (_activeSink != null)
{
try
{
_handler.OnCancel(null);
}
catch (Exception e)
{
TizenLog.Error($"{_channel.Name}: Failed to close existing event stream. {e.Message}");
}
}
try
{
_activeSink = new EventSinkImpl(this);
_handler.OnListen(call.Arguments, _activeSink);
return(Task.FromResult(_channel.Codec.EncodeSuccessEnvelope(null)));
}
catch (Exception e)
{
_activeSink = null;
TizenLog.Error($"{_channel.Name}: Failed to open event stream. {e.Message}");
return(Task.FromResult(_channel.Codec.EncodeErrorEnvelope("error", e.Message, null)));
}
}
public override void Run(string[] args)
{
// Log any unhandled exception.
AppDomain.CurrentDomain.UnhandledException += (s, e) =>
{
var exception = e.ExceptionObject as Exception;
TizenLog.Error($"Unhandled exception: {exception}");
};
base.Run(args);
}
private Task <byte[]> OnCancel(MethodCall call)
{
if (_activeSink != null)
{
try
{
_handler.OnCancel(call.Arguments);
return(Task.FromResult(_channel.Codec.EncodeSuccessEnvelope(null)));
}
catch (Exception e)
{
TizenLog.Error($"{_channel.Name}: Failed to close event stream. {e.Message}");
return(Task.FromResult(_channel.Codec.EncodeErrorEnvelope("error", e.Message, null)));
}
}
else
{
return(Task.FromResult(_channel.Codec.EncodeErrorEnvelope("error", "No active stream to cancel.", null)));
}
}
