void ScheduleForResend(UdpMessageData msg)
{
Task t = new Task(async() =>
{
await Task.Delay(5000); //wait 5 seconds
if (!ackedMessages.ContainsKey(msg.id))
{
DateTime endOfRetries = this.endOfRetries[msg.id];
if (DateTime.UtcNow <= endOfRetries)
{
messages.Add(msg); //retry
}
else
{
FailedToSend?.Invoke(msg.id);//signal failed transmission
}
}
else
{
//remove if it was acked
ackedMessages.TryRemove(msg.id, out msg);
endOfRetries.TryRemove(msg.id, out DateTime dt);
}
});
t.Start();
}
private void FailedQueuedLetters()
{
while (_queue.TryDequeue(out ILetter letter))
{
FailedToSend?.Invoke(this, letter);
}
_batchBuilder.Clear();
}
private void FailQueuedLetters()
{
while (_queue.TryDequeue(out ILetter letter))
{
if (letter.Type == LetterType.User || letter.Type == LetterType.Batch)
{
FailedToSend?.Invoke(this, letter);
}
}
}
public EnqueueResult Enqueue(ILetter letter)
{
if (!CanSend)
{
FailedToSend?.Invoke(this, letter);
return(EnqueueResult.CantEnqueueMore);
}
InternalEnqueue(letter);
return(EnqueueResult.CantEnqueueMore);
}
private void ChannelOnFailedToSend(IChannel channel, ILetter letter)
{
_sentBatch = false;
if (letter.Type == LetterType.Batch)
{
FailedQueuedLetters();
}
else
{
FailedToSend?.Invoke(this, letter);
}
}