async Task Consume()
{
var prefetchCount = Math.Max(1000, _consumerContext.ReceiveSettings.CheckpointMessageCount / 10);
var executor = new ChannelExecutor(prefetchCount, _consumerContext.ReceiveSettings.ConcurrencyLimit);
await _consumerContext.Subscribe().ConfigureAwait(false);
SetReady();
try
{
while (!_cancellationTokenSource.IsCancellationRequested)
{
ConsumeResult <TKey, TValue> consumeResult = await _consumerContext.Consume(_cancellationTokenSource.Token).ConfigureAwait(false);
await executor.Push(() => Handle(consumeResult), Stopping).ConfigureAwait(false);
}
}
catch (OperationCanceledException exception) when(exception.CancellationToken == Stopping ||
exception.CancellationToken == _cancellationTokenSource.Token)
{
}
catch (Exception exception)
{
LogContext.Error?.Log(exception, "Consume Loop faulted");
}
finally
{
await executor.DisposeAsync().ConfigureAwait(false);
}
SetCompleted(TaskUtil.Completed);
}