Does `with-intercepted-logging` do what you want?

It should take care of the sychronization aspects, like `with-logging-to-port`
does, while letting you do whatever you want with the message, e.g., sending
them to different ports.

Vincent



On Wed, 31 Jan 2018 16:00:58 -0600,
Alexander McLin wrote:
> 
> So I am using Racket's logging facilities in a command-line tool I'm 
> developing. I have various defined loggers in a sensible hierarchical 
> configuration for use as needed.
> 
> During the tool's start up period prior to calling the main function I set up 
> a log receiver to receive messages at the desired level and place it inside a 
> sync loop within its own thread. Each time a sync event is received, it is 
> written out to the port, then
> loop back to waiting for the next sync event.
> 
> It works reasonably well except I have a new problem, when the tool exits, it 
> often exits before the thread handling the log receiver propagation to the 
> port has finished receiving all the log events, as a result my logging output 
> is frequently truncated.
> 
> Given this undesired situation, I need to figure out a better way to reliably 
> propagate all log messages to ports before the tool exits normally or due to 
> a raised exception.
> 
> There is `with-logging-to-port` except I will need to set up multiple ports 
> and the idea of wrapping the tool's main body with multiple 
> `with-logging-to-port` for each port isn't appealing and it still doesn't 
> resolve the problem.
> 
> I was wondering if anyone has a better suggestion? Is there a way to detect 
> if there are pending log events waiting to be received by the log receiver?
> 
> I realize the fundamental nature of my issue is that Racket's logging is 
> asynchronous while I want synchronous behavior. I may be better off just 
> using old-fashioned `println`s
> 
> Thank you for your suggestions.
> 
> Alexander McLin
> 
> -- 
> You received this message because you are subscribed to the Google Groups 
> "Racket Users" group.
> To unsubscribe from this group and stop receiving emails from it, send an 
> email to racket-users+unsubscr...@googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.

-- 
You received this message because you are subscribed to the Google Groups 
"Racket Users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to racket-users+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to