exponential backoff for (re)connect #151
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Feb 14, 2023
Updating https://github.com/adafruit/Adafruit_CircuitPython_DisplayIO_Layout to 1.19.14 from 1.19.13: > Merge pull request adafruit/Adafruit_CircuitPython_DisplayIO_Layout#84 from jposada202020/updating_cartesian_widget Updating https://github.com/adafruit/Adafruit_CircuitPython_MiniMQTT to 7.2.0 from 7.1.3: > Merge pull request adafruit/Adafruit_CircuitPython_MiniMQTT#151 from vladak/exp_backoff_pr > Add upload url to release action Updating https://github.com/adafruit/Adafruit_CircuitPython_Requests to 1.13.0 from 1.12.12: > Merge pull request adafruit/Adafruit_CircuitPython_Requests#123 from grypoB/content-length > Add upload url to release action Updating https://github.com/adafruit/Adafruit_CircuitPython_Bundle/circuitpython_library_list.md to NA from NA: > Updated download stats for the libraries
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This change implements exponential back-off for connect/reconnect based on the Google IoT algorithm description (sic!), with a nuance in handling temporary errors (like name resolution errors or memory shortage). At one point I had code that applied the exponential back-off also for successfull reconnect()s, however found it a bit too complex and hand-holdy. If one calls reconnect() in a loop even after prior successful connect without sleeping in between, he probably deserves to be rate limited by the broker.