private IncomingTransportMessage TryDeserializeTransportMessage(ServiceBrokerMessage message)
{
using (var stream = new MemoryStream(message.Body))
{
try
{
var payload = FastXmlTransportMessageSerializer.Deserialize(stream);
var enclosedMessageTypes = payload.Headers[StandardHeaders.EnclosedMessageTypes] as string ?? "";
Type messageType = null;
foreach (var typeName in enclosedMessageTypes.Split(','))
{
messageType = messageMapper.GetMappedTypeFor(typeName);
if (messageType != null)
{
break;
}
}
if (enclosedMessageTypes == null)
{
var errorMessage = "Cannot decode type: " + enclosedMessageTypes;
logger.Error(errorMessage);
throw new CannotDeserializeMessageException(errorMessage);
}
var decodedMessage = messageEncoder.Decode(Encoding.UTF8.GetBytes(payload.Body), messageType);
return(new IncomingTransportMessage(message.ConversationHandle.ToString(), payload.Headers, decodedMessage));
}
catch (Exception e)
{
logger.Error(e, "Cannot deserialize transport message for message {0} from queue {1}.", message.ConversationHandle, ServiceBrokerQueue);
throw new CannotDeserializeMessageException(e);
}
}
}
private IncomingTransportMessage TryConvertTransportMessage(Message message)
{
try
{
return(FastXmlTransportMessageSerializer.Deserialize(message.Id, message.BodyStream));
}
catch (Exception e)
{
logger.Error(e, "Cannot deserialize transport message for message {0} from queue {1}.", message.Id, localQueue.QueueName);
throw new CannotDeserializeMessageException(e);
}
}
void ITransport.Send(OutgoingTransportMessage transportMessage, IEnumerable <string> destinations)
{
var transaction = openTransaction; // check for "ambient" transaction on current thread
var commitAndDisposeTransaction = false;
if (transaction == null)
{
transaction = BeginTransaction();
commitAndDisposeTransaction = true;
}
try
{
transportMessage.Headers[StandardHeaders.TimeSent] = DateTime.UtcNow.ToString("o");
transportMessage.Headers[StandardHeaders.ReplyToAddress] = this.ServiceBrokerService;
transportMessage.Headers[StandardHeaders.OriginatingAddress] = this.ServiceBrokerService;
using (var stream = new MemoryStream())
{
FastXmlTransportMessageSerializer.Serialize(transportMessage, stream);
var messageBuffer = stream.ToArray();
foreach (var destination in destinations)
{
var conversationHandle = ServiceBrokerWrapper.SendOne(transaction, ServiceBrokerService, destination, ServiceBrokerContract, ServiceBrokerMessageType, messageBuffer);
#if DEBUG
logger.Debug(string.Format("Sending message {0} with Handle {1} to Service Named {2}.",
transportMessage.Message.GetType().AssemblyQualifiedName,
conversationHandle,
destination));
logger.Debug(string.Format("ToString() of the message yields: {0}\n" +
"Message headers:\n{1}",
transportMessage.Message.ToString(),
string.Join(", ", transportMessage.Headers.Select(h => h.Key + ":" + h.Value).ToArray())));
#endif
}
}
if (commitAndDisposeTransaction)
{
transaction.Commit();
}
}
finally
{
if (commitAndDisposeTransaction)
{
TryDisposeTransactionAndConnection(transaction);
}
}
}
private IncomingTransportMessage TryDeserializeTransportMessage(ServiceBrokerMessage message)
{
using (var stream = new MemoryStream(message.Body))
{
try
{
return(FastXmlTransportMessageSerializer.Deserialize(message.ConversationHandle.ToString(), stream));
}
catch (Exception e)
{
logger.Error(e, "Cannot deserialize transport message for message {0} from queue {1}.", message.ConversationHandle, ServiceBrokerQueue);
throw new CannotDeserializeMessageException(e);
}
}
}
string ITransport.RequestTimeoutMessage(int secondsToWait, OutgoingTransportMessage transportMessage)
{
var transaction = openTransaction; // check for "ambient" transaction on current thread
var commitAndDisposeTransaction = false;
if (transaction == null)
{
transaction = BeginTransaction();
commitAndDisposeTransaction = true;
}
try
{
transportMessage.Headers[StandardHeaders.TimeSent] = DateTime.UtcNow.ToString("o");
transportMessage.Headers[StandardHeaders.ReplyToAddress] = this.ServiceBrokerService;
transportMessage.Headers[StandardHeaders.OriginatingAddress] = this.ServiceBrokerService;
var conversationHandle = ServiceBrokerWrapper.BeginConversation(transaction, ServiceBrokerService, ServiceBrokerService);
ServiceBrokerWrapper.BeginTimer(transaction, conversationHandle, secondsToWait);
using (var stream = new MemoryStream())
{
FastXmlTransportMessageSerializer.Serialize(transportMessage, stream);
var messageBuffer = stream.ToArray();
PushTimeoutMessage(transaction, conversationHandle, messageBuffer, secondsToWait);
}
if (commitAndDisposeTransaction)
{
transaction.Commit();
}
return(conversationHandle.ToString());
}
finally
{
if (commitAndDisposeTransaction)
{
TryDisposeTransactionAndConnection(transaction);
}
}
}
private IncomingTransportMessage TryLoadDialogTimerTimeoutMessage(SqlTransaction transaction, ServiceBrokerMessage message)
{
var messageBuffer = PopTimeoutMessage(transaction, message.ConversationHandle);
if (messageBuffer == null || messageBuffer.Length == 0)
{
var errorMessage = string.Format("Cannot deserialize transport message. DialogTimer TimeoutMessage is missing for for message {0} from queue {1}.", message.ConversationHandle, ServiceBrokerQueue);
logger.Error(errorMessage);
throw new CannotDeserializeMessageException(errorMessage);
}
using (var stream = new MemoryStream(messageBuffer))
{
try
{
return(FastXmlTransportMessageSerializer.Deserialize(message.ConversationHandle.ToString(), stream));
}
catch (Exception e)
{
logger.Error(e, "Cannot deserialize transport message for message {0} from queue {1}.", message.ConversationHandle, ServiceBrokerQueue);
throw new CannotDeserializeMessageException(e);
}
}
}
public void Send(OutgoingTransportMessage transportMessage, IEnumerable <string> destinations)
{
var transaction = openTransaction; // check for "ambient" transaction on current thread
var commitAndDisposeTransaction = false;
if (transaction == null)
{
transaction = new MessageQueueTransaction();
transaction.Begin();
commitAndDisposeTransaction = true;
}
try
{
using (var stream = new MemoryStream())
{
var message = new Message();
FastXmlTransportMessageSerializer.Serialize(transportMessage, stream);
stream.Position = 0;
message.BodyStream = stream;
message.Recoverable = true;
message.ResponseQueue = new MessageQueue(MsmqUtilities.GetFullPath(InputQueue));
localQueue.Send(message, transaction);
}
if (commitAndDisposeTransaction)
{
transaction.Commit();
}
}
finally
{
if (commitAndDisposeTransaction)
{
TryDisposeTransaction(transaction);
}
}
}
public void Send(OutgoingTransportMessage transportMessage, IEnumerable <string> addresses)
{
var transaction = SqlServerTransactionManager.TryGetTransactionForCurrentTask();
var commitAndDisposeTransaction = false;
if (transaction == null)
{
transaction = SqlServerTransactionManager.BeginTransaction(ConnectionString);
commitAndDisposeTransaction = true;
}
try
{
transportMessage.Headers[StandardHeaders.TimeSent] = DateTime.UtcNow.ToString("o");
if (!transportMessage.Headers.ContainsKey(StandardHeaders.ReplyToAddress))
{
transportMessage.Headers[StandardHeaders.ReplyToAddress] = this.ServiceBrokerSendingService;
}
transportMessage.Headers[StandardHeaders.OriginatingAddress] = this.ServiceBrokerSendingService;
transportMessage.Headers[StandardHeaders.ContentType] = messageEncoder.ContentType;
transportMessage.Headers[StandardHeaders.EnclosedMessageTypes] = string.Join(",", messageMapper.GetEnclosedMessageTypes(transportMessage.Message.GetType()).Distinct());
using (var stream = new MemoryStream())
{
var encodedMessage = messageEncoder.EncodeAsString(transportMessage.Message);
FastXmlTransportMessageSerializer.Serialize(transportMessage.Headers, encodedMessage, stream);
var messageBuffer = stream.ToArray();
foreach (var destination in addresses)
{
var conversationHandle = ServiceBrokerWrapper.SendOne(
transaction: transaction
, initiatorServiceName: ServiceBrokerSendingService
, targetServiceName: destination
, messageContractName: ServiceBrokerContract
, messageType: ServiceBrokerMessageType
, body: messageBuffer);
#if DEBUG
logger.Debug(string.Format("Sending message {0} with Handle {1} to Service Named {2}.",
transportMessage.Message.GetType().AssemblyQualifiedName,
conversationHandle,
destination));
logger.Debug(string.Format("ToString() of the message yields: {0}\n" +
"Message headers:\n{1}",
transportMessage.Message.ToString(),
string.Join(", ", transportMessage.Headers.Select(h => h.Key + ":" + h.Value).ToArray())));
#endif
}
}
if (commitAndDisposeTransaction)
{
SqlServerTransactionManager.CommitTransactionAndDisposeConnection(transaction);
}
}
catch (Exception)
{
if (commitAndDisposeTransaction)
{
SqlServerTransactionManager.TryForceDisposeTransactionAndConnection(transaction);
}
throw;
}
}
