private PublishRequest BuildPublishRequest(Message message, PublishMetadata metadata) { var messageToSend = _serializationRegister.Serialize(message, serializeForSnsPublishing: true); var messageType = _messageSubjectProvider.GetSubjectForType(message.GetType()); return(new PublishRequest { TopicArn = Arn, Subject = messageType, Message = messageToSend, MessageAttributes = BuildMessageAttributes(metadata) }); }
public string Serialise(Message message, bool serializeForSnsPublishing) { var settings = GetJsonSettings(); var msg = JsonConvert.SerializeObject(message, settings); // AWS SNS service will add Subject and Message properties automatically, // so just return plain message if (serializeForSnsPublishing) return msg; // for direct publishing to SQS, add Subject and Message properties manually var context = new { Subject = message.GetType().Name, Message = msg }; return JsonConvert.SerializeObject(context); }
public async Task PublishAsync(Message message, PublishMetadata metadata, CancellationToken cancellationToken) { if (QueueUrl is null) { throw new PublishException("Queue URL was null, perhaps you need to call `StartAsync` on the `IMessagePublisher` before publishing."); } var request = BuildSendMessageRequest(message, metadata); SendMessageResponse response; try { response = await _client.SendMessageAsync(request, cancellationToken).ConfigureAwait(false); } catch (AmazonServiceException ex) { throw new PublishException( $"Failed to publish message to SQS. {nameof(request.QueueUrl)}: {request.QueueUrl},{nameof(request.MessageBody)}: {request.MessageBody}", ex); } using (_logger.BeginScope(new Dictionary <string, object> { ["AwsRequestId"] = response?.MessageId })) { _logger.LogInformation( "Published message {MessageId} of type {MessageType} to {DestinationType} '{MessageDestination}'.", message.Id, message.GetType().FullName, "Queue", request.QueueUrl); } if (MessageResponseLogger != null) { var responseData = new MessageResponse { HttpStatusCode = response?.HttpStatusCode, MessageId = response?.MessageId, ResponseMetadata = response?.ResponseMetadata }; MessageResponseLogger.Invoke(responseData, message); } }
public async Task PublishAsync(Message message, PublishMetadata metadata, CancellationToken cancellationToken) { var request = BuildPublishRequest(message, metadata); PublishResponse response = null; try { response = await Client.PublishAsync(request, cancellationToken).ConfigureAwait(false); } catch (AmazonServiceException ex) { if (!ClientExceptionHandler(ex, message)) { throw new PublishException( $"Failed to publish message to SNS. Topic ARN: '{request.TopicArn}', Subject: '{request.Subject}', Message: '{request.Message}'.", ex); } } using (_logger.BeginScope(new Dictionary <string, object> { ["AwsRequestId"] = response?.MessageId })) { _logger.LogInformation( "Published message {MessageId} of type {MessageType} to {DestinationType} '{MessageDestination}'.", message.Id, message.GetType().FullName, "Topic", request.TopicArn); } if (MessageResponseLogger != null) { var responseData = new MessageResponse { HttpStatusCode = response?.HttpStatusCode, MessageId = response?.MessageId, ResponseMetadata = response?.ResponseMetadata }; MessageResponseLogger.Invoke(responseData, message); } }