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More ems resiliency: discard broken client dialogs

big_data_lines
Tyler Goodlet 2022-03-24 13:23:34 -04:00
parent b262532fd4
commit 2b12742992
1 changed files with 19 additions and 3 deletions
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22
piker/clearing/_ems.py
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@ -261,7 +261,15 @@ async def clear_dark_triggers(
f'pred for {oid} was already removed!?'
)
await ems_client_order_stream.send(msg)
try:
await ems_client_order_stream.send(msg)
except (
trio.ClosedResourceError,
):
log.warning(
f'client {ems_client_order_stream} stream is broke'
)
break
else: # condition scan loop complete
log.debug(f'execs are {execs}')
@ -573,8 +581,16 @@ async def translate_and_relay_brokerd_events(
# fan-out-relay position msgs immediately by
# broadcasting updates on all client streams
for client_stream in router.clients:
await client_stream.send(pos_msg)
for client_stream in router.clients.copy():
try:
await client_stream.send(pos_msg)
except(
trio.ClosedResourceError,
trio.BrokenResourceError,
):
router.clients.remove(client_stream)
log.warning(
f'client for {client_stream} was already closed?')
continue