sonic-buildimage/platform/broadcom/sonic-platform-modules-accton/as4630-54pe/classes/thermalutil.py

90 lines
3.1 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright (c) 2019 Edgecore Networks Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
#
# THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR
# CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT
# LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS
# FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT.
#
# See the Apache Version 2.0 License for specific language governing
# permissions and limitations under the License.
#
# ------------------------------------------------------------------
# HISTORY:
# mm/dd/yyyy (A.D.)
# 10/24/2019:Jostar craete for as4630_54pe
# ------------------------------------------------------------------
try:
import os
import time
import logging
import glob
import commands
from collections import namedtuple
except ImportError as e:
raise ImportError('%s - required module not found' % str(e))
class ThermalUtil(object):
"""Platform-specific ThermalUtil class"""
THERMAL_NUM_MAX = 4
THERMAL_NUM_1_IDX = 1
THERMAL_NUM_2_IDX = 2
THERMAL_NUM_3_IDX = 3
THERMAL_NUM_4_IDX = 4
""" Dictionary where
key1 = thermal id index (integer) starting from 1
value = path to fan device file (string) """
thermal_sysfspath ={
THERMAL_NUM_1_IDX: ["/sys/bus/i2c/devices/14-0048/hwmon/hwmon*/temp1_input"],
THERMAL_NUM_2_IDX: ["/sys/bus/i2c/devices/24-004b/hwmon/hwmon*/temp1_input"],
THERMAL_NUM_3_IDX: ["/sys/bus/i2c/devices/25-004a/hwmon/hwmon*/temp1_input"],
THERMAL_NUM_4_IDX: ["/sys/class/hwmon/hwmon1/temp1_input"],
}
def _get_thermal_val(self, thermal_num):
if thermal_num < self.THERMAL_NUM_1_IDX or thermal_num > self.THERMAL_NUM_MAX:
logging.debug('GET. Parameter error. thermal_num, %d', thermal_num)
return None
device_path = self.get_thermal_path(thermal_num)
for filename in glob.glob(device_path):
try:
val_file = open(filename, 'r')
except IOError as e:
logging.error('GET. unable to open file: %s', str(e))
return None
content = val_file.readline().rstrip()
if content == '':
logging.debug('GET. content is NULL. device_path:%s', device_path)
return None
try:
val_file.close()
except:
logging.debug('GET. unable to close file. device_path:%s', device_path)
return None
return int(content)
return 0
def get_num_thermals(self):
return self.THERMAL_NUM_MAX
def get_size_path_map(self):
return len(self.thermal_sysfspath)
def get_thermal_path(self, thermal_num):
return self.thermal_sysfspath[thermal_num][0]
def main():
thermal = ThermalUtil()
if __name__ == '__main__':
main()