Esempio n. 1
0
        async Task ProcessFileAndComplete(IAcceptanceTestTransportTransaction transaction, string filePath, string messageId)
        {
            try
            {
                await ProcessFile(transaction, messageId)
                .ConfigureAwait(false);
            }
            finally
            {
                if (log.IsDebugEnabled)
                {
                    log.Debug($"Completing processing for {filePath}({transaction.FileToProcess}).");
                }

                try
                {
                    var wasCommitted = transaction.Complete();

                    if (wasCommitted)
                    {
                        File.Delete(Path.Combine(bodyDir, messageId + BodyFileSuffix));
                    }
                }
                catch (Exception ex)
                {
                    log.Debug($"Failure while trying to complete receive transaction for  {filePath}({transaction.FileToProcess})" + filePath, ex);
                }

                concurrencyLimiter.Release();
            }
        }
Esempio n. 2
0
        async Task ProcessFile(IAcceptanceTestTransportTransaction transaction, string messageId)
        {
            var message = await AsyncFile.ReadText(transaction.FileToProcess)
                          .ConfigureAwait(false);

            var bodyPath = Path.Combine(bodyDir, $"{messageId}{BodyFileSuffix}");
            var headers  = HeaderSerializer.Deserialize(message);

            if (headers.TryGetValue(AcceptanceTestTransportHeaders.TimeToBeReceived, out var ttbrString))
            {
                headers.Remove(AcceptanceTestTransportHeaders.TimeToBeReceived);

                var ttbr = TimeSpan.Parse(ttbrString);

                //file.move preserves create time
                var sentTime = File.GetCreationTimeUtc(transaction.FileToProcess);

                var utcNow = DateTime.UtcNow;
                if (sentTime + ttbr < utcNow)
                {
                    await transaction.Commit()
                    .ConfigureAwait(false);

                    log.InfoFormat("Dropping message '{0}' as the specified TimeToBeReceived of '{1}' expired since sending the message at '{2:O}'. Current UTC time is '{3:O}'", messageId, ttbrString, sentTime, utcNow);
                    return;
                }
            }

            var tokenSource = new CancellationTokenSource();

            var body = await AsyncFile.ReadBytes(bodyPath, cancellationToken)
                       .ConfigureAwait(false);

            var transportTransaction = new TransportTransaction();

            if (transactionMode == TransportTransactionMode.SendsAtomicWithReceive)
            {
                transportTransaction.Set(transaction);
            }

            var messageContext = new MessageContext(messageId, headers, body, transportTransaction, tokenSource, new ContextBag());

            try
            {
                await onMessage(messageContext)
                .ConfigureAwait(false);
            }
            catch (Exception exception)
            {
                transaction.ClearPendingOutgoingOperations();
                var processingFailures = retryCounts.AddOrUpdate(messageId, id => 1, (id, currentCount) => currentCount + 1);

                headers = HeaderSerializer.Deserialize(message);
                headers.Remove(AcceptanceTestTransportHeaders.TimeToBeReceived);

                var errorContext = new ErrorContext(exception, headers, messageId, body, transportTransaction, processingFailures);

                ErrorHandleResult actionToTake;
                try
                {
                    actionToTake = await onError(errorContext)
                                   .ConfigureAwait(false);
                }
                catch (Exception ex)
                {
                    criticalError.Raise($"Failed to execute recoverability policy for message with native ID: `{messageContext.MessageId}`", ex);
                    actionToTake = ErrorHandleResult.RetryRequired;
                }

                if (actionToTake == ErrorHandleResult.RetryRequired)
                {
                    transaction.Rollback();

                    return;
                }
            }

            if (tokenSource.IsCancellationRequested)
            {
                transaction.Rollback();

                return;
            }

            await transaction.Commit()
            .ConfigureAwait(false);
        }