public async Task <MessageHandlingResult> ProcessMessageAsync(
Message message, IEndpointHandlingConfig handlingConfig, CancellationToken ct)
{
try
{
var messageContext = MessageContext.Create(message);
var contractMessage = _serialiser.Deserialise <TMessage>(message);
if (contractMessage == null)
{
return(MessageHandlingResult.UnrecognisedMessageType(
$"Serialiser could not de-serialise message to {typeof(TMessage).AssemblyQualifiedName}",
message.UserProperties));
}
var stopwatch = Stopwatch.StartNew();
var handlingResult = await _handler.HandleMessageAsync(contractMessage, messageContext, ct).ConfigureAwait(false);
_instrumentor.TrackElapsed(
LogEventIds.HandlerMeasuredElapsed, stopwatch.ElapsedMilliseconds, _handler.GetType().Name, message.UserProperties);
return(handlingResult);
}
catch (OperationCanceledException ex)
{
_logger.LogWarning(LogEventIds.ProcessorCancelled, ex, $"Operation was cancelled in Processor<{typeof(TMessage).Name}>");
return(MessageHandlingResult.Abandoned(ex, message.UserProperties));
}
}
private static void EnsureEndpointHandlingConfigInvariants(IEndpointHandlingConfig endpointConfig)
{
EnsureEndpointConfigInvariants(endpointConfig);
if (endpointConfig.MaxConcurrentCalls < 1)
{
throw new ArgumentException($"{nameof(endpointConfig.MaxConcurrentCalls)} cannot be less than one");
}
}
public SpyMessageReceiver(IEndpointHandlingConfig config)
{
ServiceBusConnection = new ServiceBusConnection(config.ConnectionString);
Path = config.EntityPath;
}
public IMessageReceiver CreateDeadLetterMessageReceiver(IEndpointHandlingConfig config, ReceiveMode receiveMode = ReceiveMode.PeekLock, RetryPolicy retryPolicy = null, int prefetchCount = 0)
{
return(CreateDeadLetterMessageReceiver(config.ConnectionString, config.EntityPath, receiveMode, retryPolicy ?? DefaultRetryPolicy, prefetchCount));
}
public IMessageReceiver CreateMessageReceiver(IEndpointHandlingConfig config, RetryPolicy policy = null)
{
return(CreateMessageReceiver(config.ConnectionString, config.EntityPath, retryPolicy: policy ?? DefaultRetryPolicy));
}
