private async Task WaitUntilAllMessagesAreConsumedAsync(string[]?topicNames, TimeSpan?timeout = null)
{
using var cancellationTokenSource = new CancellationTokenSource(timeout ?? TimeSpan.FromSeconds(30));
var topics = topicNames == null
? _topics.ToList()
: _topics.Where(topic => topicNames.Contains(topic.Name)).ToList();
try
{
do
{
await WaitUntilOutboxIsEmptyAsync(cancellationTokenSource.Token).ConfigureAwait(false);
await Task.WhenAll(
topics.Select(
topic =>
topic.WaitUntilAllMessagesAreConsumedAsync(cancellationTokenSource.Token)))
.ConfigureAwait(false);
}while (await _outboxReader.GetLengthAsync().ConfigureAwait(false) > 0); // Loop until the outbox is empty since the consumers may produce new messages
}
catch (OperationCanceledException)
{
_logger.LogWarning("The timeout elapsed before all messages could be consumed and processed.");
}
}
/// <inheritdoc cref="IOutboundQueueHealthCheckService.CheckIsHealthyAsync" />
public async Task <bool> CheckIsHealthyAsync(TimeSpan?maxAge = null, int?maxQueueLength = null)
{
if (maxQueueLength != null &&
await _queueReader.GetLengthAsync().ConfigureAwait(false) > maxQueueLength)
{
return(false);
}
return(await _queueReader.GetMaxAgeAsync().ConfigureAwait(false) <= (maxAge ?? DefaultMaxAge));
}