private async void PostEventAsync(EventFiredArgs args)
{
try
{
if (args.EventType == (byte)EventType.SystemChangeNotification)
{
await PostSystemChangeNotificationAsync(args);//this special event turns into reported boards serial info + still an event with a shorter description
}
else
{
await Post(args);
}
}
catch (Exception ex)
{
lock (_badPackages)
{
_badPackages.Add(DateTime.UtcNow);
}
OnError($"failed posting event: {args.EventType} - {args.Data} - {args.TimeSpan}", ex);
}
Task Post(EventFiredArgs args) => _plot.PostEventAsync(GetSignedEvent(args));
Task PostBoardsSerialInfo(SystemChangeNotificationData data, DateTime timeSpan) =>
_plot.PostBoardsSerialInfo(SignAndCompress(data.ToBoardsSerialInfoJsonUtf8Bytes(timeSpan)));
Task PostSystemChangeNotificationAsync(EventFiredArgs args)
{
var data = SystemChangeNotificationData.ParseJson(args.Data);
return(Task.WhenAll(
PostBoardsSerialInfo(data, args.TimeSpan),
Post(new EventFiredArgs(ToShortEventData(data), args.EventType, args.TimeSpan))));
}
private void SendEvent(object sender, EventFiredArgs e)
{
lock (_eventsQueue)
if (_eventsQueue.Count < 10000) // if sending thread can't catch up, then drop packages.
{
_eventsQueue.Enqueue(e);
}
}
private byte[] GetSignedEvent(EventFiredArgs @event)
{ //this can be made more efficient to avoid extra allocations and/or use a memory pool, but these are for low frequency events so postponing looking at that.
var bytes = @event.ToByteArray();
return(_signing.GetSignature(bytes).Concat(bytes).ToArray());
}
