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Be mega-tolerant to feed consumer disconnects

mkts_backup
Tyler Goodlet 2022-03-15 10:45:51 -04:00
parent c976bff40c
commit 6d9a94065d
1 changed files with 11 additions and 2 deletions
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13
piker/data/_sampling.py
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@ -1,5 +1,5 @@
# piker: trading gear for hackers # piker: trading gear for hackers
# Copyright (C) 2018-present Tyler Goodlet (in stewardship of piker0) # Copyright (C) 2018-present Tyler Goodlet (in stewardship of pikers)
# This program is free software: you can redistribute it and/or modify # This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by # it under the terms of the GNU Affero General Public License as published by
@ -406,7 +406,16 @@ async def uniform_rate_send(
# rate timing exactly lul # rate timing exactly lul
try: try:
await stream.send({sym: first_quote}) await stream.send({sym: first_quote})
except trio.ClosedResourceError: except (
# NOTE: any of these can be raised by ``tractor``'s IPC
# transport-layer and we want to be highly resilient
# to consumers which crash or lose network connection.
# I.e. we **DO NOT** want to crash and propagate up to
# ``pikerd`` these kinds of errors!
trio.ClosedResourceError,
trio.BrokenResourceError,
ConnectionResetError,
):
# if the feed consumer goes down then drop # if the feed consumer goes down then drop
# out of this rate limiter # out of this rate limiter
log.warning(f'{stream} closed') log.warning(f'{stream} closed')