I just finished migrating the sinan to a full OTP application. It already followed all of the OTP principles it just wasn't setup to run as an application. I ran into a few issues that encouraged me to do the conversion. It wasn't actually difficult, as I said , I already followed OTP for the most part. It was mostly a matter of turning the tasks into gen_servers and figuring out a way for them to work together in a meaningful way. For now there isn't much difference for the user, but it sets things up so that I can rapidly iterate on the current outstanding issues.
The hardest part of all of this was getting the error_logger logging set up right. A lot more loggers then I suspected are involved from the get go. Kernel sets up a very primitive error_logger to start. It also sets up a slightly better tty logger. Then sasl sets up its own set of loggers. Figuring out where this was coming from, getting rid of the loggers and adding the custom logger was more difficult then I actually expected. In the end I got it done via a combination of configs for kernel and sasl and actually removing the primitive logger via the gen_event api.
In any case, I should be able to start knocking my open issues. Thanks to the beta testers for providing the feedback.
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