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hharte / mm_manager

Manager for the Nortel Millennium series of payphones.
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mm_manager won't serve tables to phone after power loss #14

Closed Ilikemining1 closed 2 years ago

Ilikemining1 commented 2 years ago

Hi,

I've discovered an issue with mm_manager when it comes to power loss / table RAM corruption. When a forced download occurs after a terminal has gone out of service due to power loss or RAM corruption, mm_manager still thinks that the tables haven't been changed since they were last uploaded and doesn't send them. This causes terminal error 34 when doing a forced download. I think this could be remedied by checking for a power loss alarm status and allowing for a full download of tables.

When experimenting earlier, deleting table_update.log seemed to fix this issue, but it does cause the terminal to not be able to pull tables by itself and it goes out of service.

Thanks

hharte commented 2 years ago

Good find! Overloading the “force Download” to only download the modified tables is in and of itself, a bug. I just did this to make it easier to iterate through table changes for debugging.

what you propose is a good compromise, I’ll look into it.

Thanks for filing this feedback.