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Several people are reporting that WinNUT is crashing when it attempts to parse the `ups.realpower.nominal` variable that's returned from the server. Adding in some logging to troubleshoot that, as well as a few other log lines to better describe the startup procedure in log files.
Applying several changes to the `UPS_Device` class: - Made `Retrieve_UPS_Datas` private, and removed leftover commented code - Merged `GetPowerUsage` function into main data retrieval loop since no other code referred to it. - Wrapped power variable parsing into try block to log parsing errors. NUT and other exceptions will continue to be raised. - Reorganized some comments around battery calculations.
- Create region for Static/ReadOnly variables for reference. - Change how the invariant culture is provided to code in this class, and attempting to make it as static as possible. - Applied invariant culture to load variable parsing code, hopefully fixing #125. - Completely define timers and connect event handlers in initializing code.
gbakeman
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FormatException when parsing Invariant-locale numbers in user's locale
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Several people are reporting that WinNUT is crashing when it attempts to parse the
ups.realpower.nominalvariable that's returned from the server.This PR refactors some code in the
UPS_Deviceclass related to variable retrieval and parsing. Special precaution is added around the power variable parsing and calculation, and correct variable types are now used throughout (Integer->Double.) In addition, I now understand that the.Parse()method strictly adheres to the executing machine's locale and will throw the relevant exception should it encounter any number beyond the current locale, unless a locale is manually specified. I've updated howUPS_Devicerefers to the Invariant culture, which is now used throughout the class. This should completely resolveFormatExceptions revolving around power variable parsing.However, this fix points to a greater need for parser and variable handling improvements. Specifically, UPS variables and requests should be represented by individual objects with appropriate metadata attached. This will allow for better state control and error handling by the client. Consider prioritizing migrating WinNUT to the NUTDotNet library.