private async Task HandleMessageWithContent(IMessage <T> message)
{
try
{
Log.Debug($"Processing message of type {typeof(T).FullName}", message.Content.ToDictionary());
try
{
_messageContextProvider.StoreMessageContext(message);
await ProcessMessage(message.Content);
}
finally
{
_messageContextProvider.ReleaseMessageContext(message);
}
await message.CompleteAsync();
Log.Info($"Completed message {typeof(T).FullName}");
}
catch (Exception ex)
{
Log.Error(ex, $"Failed to process message {typeof(T).FullName}");
if (message?.Content != null)
{
await message.AbortAsync();
}
await OnErrorAsync(message, ex);
}
}
public async Task Run(CancellationTokenSource cancellationTokenSource)
{
using (var subscriber = _messageSubscriberFactory.GetSubscriber <T>())
{
while (!cancellationTokenSource.Token.IsCancellationRequested)
{
IMessage <T> message;
Log.Debug($"Getting message of type {typeof(T).FullName} from azure topic message queue");
try
{
message = await subscriber.ReceiveAsAsync();
}
catch (Exception ex)
{
Log.Fatal(ex, $"Failed to retrieve message {typeof(T).FullName}");
await OnFatalAsync(ex);
cancellationTokenSource.Cancel();
throw;
}
Log.Debug($"Received message of type {typeof(T).FullName} from azure topic message queue");
try
{
if (message == null)
{
Log.Debug($"No messages on queue of type {typeof(T).FullName}");
await Task.Delay(500, cancellationTokenSource.Token);
continue;
}
if (message.Content == null)
{
Log.Debug($"Message of type {typeof(T).FullName} has null content");
await message.CompleteAsync();
continue;
}
Log.Debug($"Processing message of type {typeof(T).FullName}", message.Content.ToDictionary());
try
{
_messageContextProvider.StoreMessageContext(message);
await ProcessMessage(message.Content);
}
finally
{
_messageContextProvider.ReleaseMessageContext(message);
}
await message.CompleteAsync();
Log.Info($"Completed message {typeof(T).FullName}");
}
catch (Exception ex)
{
Log.Error(ex, $"Failed to process message {typeof(T).FullName}");
if (message != null && message.Content != null)
{
await message.AbortAsync();
}
await OnErrorAsync(message, ex);
}
}
}
}