private static void UnmarshallResult(XmlUnmarshallerContext context, ReceiveMessageResponse response)
{
int originalDepth = context.CurrentDepth;
int targetDepth = originalDepth + 1;
if (context.IsStartOfDocument)
targetDepth += 2;
while (context.ReadAtDepth(originalDepth))
{
if (context.IsStartElement || context.IsAttribute)
{
if (context.TestExpression("Message", targetDepth))
{
var unmarshaller = MessageUnmarshaller.Instance;
var item = unmarshaller.Unmarshall(context);
response.Messages.Add(item);
continue;
}
}
}
return;
}
private static void UnmarshallResult(XmlUnmarshallerContext context,ReceiveMessageResponse response)
{
int originalDepth = context.CurrentDepth;
int targetDepth = originalDepth + 1;
if (context.IsStartOfDocument)
targetDepth += 2;
while (context.Read())
{
if (context.IsStartElement || context.IsAttribute)
{
if (context.TestExpression("Message", targetDepth))
{
response.Messages.Add(MessageUnmarshaller.GetInstance().Unmarshall(context));
continue;
}
}
else if (context.IsEndElement && context.CurrentDepth < originalDepth)
{
return;
}
}
return;
}
/// <summary>
/// Unmarshaller the response from the service to the response class.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override AmazonWebServiceResponse Unmarshall(XmlUnmarshallerContext context)
{
ReceiveMessageResponse response = new ReceiveMessageResponse();
context.Read();
int targetDepth = context.CurrentDepth;
while (context.ReadAtDepth(targetDepth))
{
if (context.IsStartElement)
{
if(context.TestExpression("ReceiveMessageResult", 2))
{
UnmarshallResult(context, response);
continue;
}
if (context.TestExpression("ResponseMetadata", 2))
{
response.ResponseMetadata = ResponseMetadataUnmarshaller.Instance.Unmarshall(context);
}
}
}
return response;
}
public CheckForMessagesShould()
{
expectedQueueUrl = "QueueUrl";
queueInfo = new QueueInfo(typeof(TestMessage), expectedQueueUrl);
var queues = new Dictionary <string, QueueInfo>();
queues.Add("", queueInfo);
var messageBusMock = new Mock <IMessageBus>();
sqsServiceMock = new Mock <ISqsService>();
var messageDeserializerMock = new Mock <IMessageDeserializer>();
handlerMock = new Mock <IHandlerAsync <TestMessage> >();
messageBusMock.Setup(x => x.Queues).Returns(queues);
messageBusMock.Setup(x => x.GetHandler <TestMessage>()).Returns(handlerMock.Object);
expectedMessage = new TestMessage();
var response = new Amazon.SQS.Model.ReceiveMessageResponse();
busMessage = new Amazon.SQS.Model.Message();
busMessage.ReceiptHandle = "Recipt001";
response.Messages.Add(busMessage);
sqsServiceMock.Setup(x => x.ReceiveMessageAsync(expectedQueueUrl)).Returns(Task.FromResult(response));
messageDeserializerMock.Setup(x => x.Deserialize <TestMessage>(busMessage)).Returns(expectedMessage);
sut = new MessageBusListener(messageBusMock.Object, sqsServiceMock.Object, messageDeserializerMock.Object);
}
protected internal virtual List<CombinedMarketDataRequest> Convert(ReceiveMessageResponse response)
{
var list = new List<CombinedMarketDataRequest>();
if ((response != null)
&& (response.IsSetReceiveMessageResult()))
{
var result = response.ReceiveMessageResult;
if (result.IsSetMessage())
{
var queueMessages = result.Message;
CombinedMarketDataRequest marketDataRequest = null;
foreach (var qm in queueMessages)
{
try
{
marketDataRequest = this.Convert(qm);
if (marketDataRequest != null)
{
list.Add(marketDataRequest);
}
}
catch (PossiblyPoisonMessageException ppme)
{
System.Diagnostics.Debug.WriteLine(ppme.ToString());
Log.LogException(ppme);
}
}
}
}
return list;
}
private static void ValidateReceiveMessage(ReceiveMessageResponse response)
{
if (response != null && response.Messages != null && response.Messages.Count > 0)
{
foreach (Message message in response.Messages)
{
ValidateMD5(message);
}
}
}
public override List<Advertisement> checkMessages()
{
List<Advertisement> AdvertisementList = new List<Advertisement>();
Advertisement newAd = new Advertisement(0,"0","0");
int currentFetchCounter = 0;
do
{
string fullMessage = string.Empty;
string receiptHandle;
string selectedQueue = QueueURLString;
ReceiveMessageResponse queueReceiveMessageResponse = new ReceiveMessageResponse();
queueReceiveMessageResponse = objClient.ReceiveMessage(new ReceiveMessageRequest()
{
QueueUrl = selectedQueue,
MaxNumberOfMessages = 10,
VisibilityTimeout = 5
});
ReceiveMessageResult objReceiveMessageResult = new ReceiveMessageResult();
objReceiveMessageResult = queueReceiveMessageResponse.ReceiveMessageResult;
List<Amazon.SQS.Model.Message> messagesList = new List<Amazon.SQS.Model.Message>();
if(objReceiveMessageResult.IsSetMessage())
messagesList = objReceiveMessageResult.Message;
foreach (Amazon.SQS.Model.Message objMessage in messagesList)
{
fullMessage += objMessage.Body;
receiptHandle = objMessage.ReceiptHandle;
newAd = createAdvertisement(fullMessage);
if(!AdvertisementList.Contains(newAd))
AdvertisementList.Add(newAd);
}
currentFetchCounter++;
} while (currentFetchCounter<numberOfMsgToFetch);
return AdvertisementList;
}
public static void ProcessQueuedBounce(ReceiveMessageResponse response)
{
int messages = response.ReceiveMessageResult.Message.Count;
if (messages > 0)
{
foreach (var m in response.ReceiveMessageResult.Message)
{
// First, convert the Amazon SNS message into a JSON object.
if (m.Body.IndexOf("notificationType") >= 0)
{
var notification = Newtonsoft.Json.JsonConvert.DeserializeObject<AmazonSesBounceNotification>(m.Body);
if (notification.Bounce != null)
{
// Now access the Amazon SES bounce notification.
//var bounce = Newtonsoft.Json.JsonConvert.DeserializeObject<AmazonSesBounceNotification>(notification.Message);
switch (notification.Bounce.BounceType)
{
case "Transient":
// Per our sample organizational policy, we will remove all recipients
// that generate an AttachmentRejected bounce from our mailing list.
// Other bounces will be reviewed manually.
switch (notification.Bounce.BounceSubType)
{
case "AttachmentRejected":
foreach (var recipient in notification.Bounce.BouncedRecipients)
{
//RemoveFromMailingList(recipient.EmailAddress);
}
break;
default:
//ManuallyReviewBounce(bounce);
break;
}
break;
default:
// Remove all recipients that generated a permanent bounce
// or an unknown bounce.
foreach (var recipient in notification.Bounce.BouncedRecipients)
{
//RemoveFromMailingList(recipient.EmailAddress);
}
break;
}
}
}
}
}
}
protected override void Given()
{
base.Given();
// we expect to get max 10 messages per batch
// except on single-core machines when we top out at ParallelHandlerExecutionPerCore=8
expectedMaxMessageCount = Math.Min(MessageConstants.MaxAmazonMessageCap,
Environment.ProcessorCount * MessageConstants.ParallelHandlerExecutionPerCore);
var response1 = GenerateResponseMessage(SubjectOfMessageAfterStop, Guid.NewGuid());
var response2 = new ReceiveMessageResponse
{
Messages = new List<Message>()
};
Sqs.ReceiveMessageAsync(
Arg.Any<ReceiveMessageRequest>(),
Arg.Any<CancellationToken>())
.Returns(
_ => Task.FromResult(response1),
_ => Task.FromResult(response2));
}
public static void ValidateReceiveMessage(ReceiveMessageResponse response)
{
if (response != null && response.ReceiveMessageResult != null &&
response.ReceiveMessageResult.Message != null && response.ReceiveMessageResult.Message.Count > 0)
{
foreach (Message message in response.ReceiveMessageResult.Message)
{
AmazonSQSUtil.ValidateMD5(message);
}
}
}
private Message BufferResponse(ReceiveMessageResponse response)
{
if (response == null || response.Messages == null)
return null;
Message toReturn = null;
foreach (var message in response.Messages.Where(m => m != null))
{
if (toReturn == null)
{
toReturn = message;
continue;
}
receiveBuffer.Enqueue(message);
}
return toReturn;
}
/// <summary>
/// The method loads a one or more messages from the queue
/// </summary>
public bool DeQueueMessages()
{
ClearErrorInfo();
bool result = false;
try
{
rcvMessageResponse = queue.ReceiveMessage(rcvMessageRequest);
result = true;
}
catch (Exception ex)
{
ErrorCode = e_Exception;
ErrorMessage = ex.Message;
}
return result;
}
public ReceiveMessageResponse ReceiveMessage(ReceiveMessageRequest request)
{
if (request.MaxNumberOfMessages > SqsQueueDefinition.MaxBatchReceiveItems)
{
throw new TooManyEntriesInBatchRequestException("Count of [{0}] exceeds limit of [{1]}".Fmt(request.MaxNumberOfMessages, SqsQueueDefinition.MaxBatchReceiveItems));
}
var q = GetQueue(request.QueueUrl);
var response = new ReceiveMessageResponse
{
Messages = q.Receive(request)
.Select(qi => new Message {
Body = qi.Body,
Attributes = qi.Attributes,
MessageId = qi.MessageId,
ReceiptHandle = qi.ReceiptHandle
})
.ToList()
};
return response;
}
