122 lines
4.0 KiB
Python
Executable File
122 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright (C) 2017 Accton Technology Corporation
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# ------------------------------------------------------------------
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# HISTORY:
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# mm/dd/yyyy (A.D.)
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# 11/13/2017: Polly Hsu, Create
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#
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# ------------------------------------------------------------------
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try:
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import time
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import logging
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import glob
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from collections import namedtuple
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except ImportError as e:
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raise ImportError('%s - required module not found' % str(e))
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class ThermalUtil(object):
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"""Platform-specific ThermalUtil class"""
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THERMAL_NUM_ON_MAIN_BROAD = 3
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THERMAL_NUM_1_IDX = 1 # 1_ON_MAIN_BROAD
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THERMAL_NUM_2_IDX = 2 # 2_ON_MAIN_BROAD
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THERMAL_NUM_3_IDX = 3 # 3_ON_MAIN_BROAD
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BASE_VAL_PATH = '/sys/bus/i2c/devices/{0}-00{1}/hwmon/hwmon*/temp1_input'
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""" Dictionary where
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key1 = thermal id index (integer) starting from 1
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value = path to fan device file (string) """
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_thermal_to_device_path_mapping = {}
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_thermal_to_device_node_mapping = {
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THERMAL_NUM_1_IDX: ['61', '48'],
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THERMAL_NUM_2_IDX: ['62', '49'],
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THERMAL_NUM_3_IDX: ['63', '4a'],
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}
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def __init__(self):
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thermal_path = self.BASE_VAL_PATH
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for x in range(self.THERMAL_NUM_1_IDX, self.THERMAL_NUM_ON_MAIN_BROAD+1):
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self._thermal_to_device_path_mapping[x] = thermal_path.format(
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self._thermal_to_device_node_mapping[x][0],
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self._thermal_to_device_node_mapping[x][1])
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def _get_thermal_node_val(self, thermal_num):
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if thermal_num < self.THERMAL_NUM_1_IDX or thermal_num > self.THERMAL_NUM_ON_MAIN_BROAD:
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logging.debug('GET. Parameter error. thermal_num, %d', thermal_num)
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return None
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device_path = self.get_thermal_to_device_path(thermal_num)
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for filename in glob.glob(device_path):
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try:
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val_file = open(filename, 'r')
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except IOError as e:
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logging.error('GET. unable to open file: %s', str(e))
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return None
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content = val_file.readline().rstrip()
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if content == '':
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logging.debug('GET. content is NULL. device_path:%s', device_path)
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return None
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try:
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val_file.close()
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except:
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logging.debug('GET. unable to close file. device_path:%s', device_path)
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return None
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return int(content)
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def get_num_thermals(self):
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return self.THERMAL_NUM_ON_MAIN_BROAD
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def get_idx_thermal_start(self):
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return self.THERMAL_NUM_1_IDX
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def get_size_node_map(self):
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return len(self._thermal_to_device_node_mapping)
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def get_size_path_map(self):
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return len(self._thermal_to_device_path_mapping)
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def get_thermal_to_device_path(self, thermal_num):
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return self._thermal_to_device_path_mapping[thermal_num]
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def get_thermal_1_val(self):
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return self._get_thermal_node_val(self.THERMAL_NUM_1_IDX)
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def get_thermal_2_val(self):
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return self._get_thermal_node_val(self.THERMAL_NUM_2_IDX)
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#def main():
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# thermal = ThermalUtil()
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#
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# print 'get_size_node_map : %d' % thermal.get_size_node_map()
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# print 'get_size_path_map : %d' % thermal.get_size_path_map()
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# for x in range(thermal.get_idx_thermal_start(), thermal.get_num_thermals()+1):
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# print thermal.get_thermal_to_device_path(x)
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#
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#if __name__ == '__main__':
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# main()
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