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[action] [PR:13611] [Mellanox] set select timeout to no more than 1 sec to make sure fast shutdown #16448

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merged 1 commit into from
Sep 5, 2023
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[action] [PR:13611] [Mellanox] set select timeout to no more than 1 sec to make sure fast shutdown #16448

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24 changes: 14 additions & 10 deletions platform/mellanox/mlnx-platform-api/sonic_platform/chassis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,10 +31,10 @@
from . import utils
from .device_data import DeviceDataManager
import re
import time
except ImportError as e:
raise ImportError (str(e) + "- required module not found")

MAX_SELECT_DELAY = 3600

RJ45_TYPE = "RJ45"

Expand Down Expand Up @@ -387,26 +387,30 @@ def get_change_event(self, timeout=0):
self.sfp_event.initialize()

wait_for_ever = (timeout == 0)
# select timeout should be no more than 1000ms to ensure fast shutdown flow
select_timeout = 1000.0 if timeout >= 1000 else float(timeout)
port_dict = {}
error_dict = {}
if wait_for_ever:
timeout = MAX_SELECT_DELAY
while True:
status = self.sfp_event.check_sfp_status(port_dict, error_dict, timeout)
if bool(port_dict):
begin = time.time()
while True:
status = self.sfp_event.check_sfp_status(port_dict, error_dict, select_timeout)
if bool(port_dict):
break

if not wait_for_ever:
elapse = time.time() - begin
if elapse * 1000 > timeout:
break
else:
status = self.sfp_event.check_sfp_status(port_dict, error_dict, timeout)

if status:
if port_dict:
self.reinit_sfps(port_dict)
result_dict = {'sfp':port_dict}
result_dict = {'sfp': port_dict}
if error_dict:
result_dict['sfp_error'] = error_dict
return True, result_dict
else:
return True, {'sfp':{}}
return True, {'sfp': {}}

def reinit_sfps(self, port_dict):
"""
Expand Down