214 lines
7.3 KiB
Python
Executable File
214 lines
7.3 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2019 Edgecore Networks Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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#
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# THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR
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# CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT
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# LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS
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# FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT.
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#
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# See the Apache Version 2.0 License for specific language governing
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# permissions and limitations under the License.
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#
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# ------------------------------------------------------------------
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# HISTORY:
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# mm/dd/yyyy (A.D.)
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# 10/24/2019:Jostar craete for as4630_54te
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# ------------------------------------------------------------------
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try:
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import logging
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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 FanUtil(object):
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"""Platform-specific FanUtil class"""
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FAN_NUM_ON_MAIN_BROAD = 3
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FAN_NUM_1_IDX = 1
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FAN_NUM_2_IDX = 2
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FAN_NUM_3_IDX = 3
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FAN_NODE_NUM_OF_MAP = 4
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FAN_NODE_FAULT_IDX_OF_MAP = 1
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FAN_NODE_DIR_IDX_OF_MAP = 2
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FAN_NODE_PRESENT_IDX_OF_MAP = 3
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FAN_NODE_SPEED_IDX_OF_MAP = 4
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BASE_VAL_PATH = '/sys/bus/i2c/devices/3-0060/{0}'
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FAN_DUTY_PATH = '/sys/bus/i2c/devices/3-0060/fan_duty_cycle_percentage'
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""" Dictionary where
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key1 = fan id index (integer) starting from 1
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key2 = fan node index (interger) starting from 1
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value = path to fan device file (string) """
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_fan_device_path_mapping = {}
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_fan_device_node_mapping = {
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(FAN_NUM_1_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan_fault_1',
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(FAN_NUM_1_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan_direction_1',
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(FAN_NUM_1_IDX, FAN_NODE_PRESENT_IDX_OF_MAP): 'fan_present_1',
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(FAN_NUM_1_IDX, FAN_NODE_SPEED_IDX_OF_MAP): 'fan1_input',
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(FAN_NUM_2_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan_fault_2',
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(FAN_NUM_2_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan_direction_2',
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(FAN_NUM_2_IDX, FAN_NODE_PRESENT_IDX_OF_MAP): 'fan_present_2',
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(FAN_NUM_2_IDX, FAN_NODE_SPEED_IDX_OF_MAP): 'fan2_input',
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(FAN_NUM_3_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan_fault_3',
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(FAN_NUM_3_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan_direction_3',
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(FAN_NUM_3_IDX, FAN_NODE_PRESENT_IDX_OF_MAP): 'fan_present_3',
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(FAN_NUM_3_IDX, FAN_NODE_SPEED_IDX_OF_MAP): 'fan3_input',
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}
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def _get_fan_device_node(self, fan_num, node_num):
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return self._fan_device_node_mapping[(fan_num, node_num)]
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def _get_fan_node_val(self, fan_num, node_num):
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if fan_num < self.FAN_NUM_1_IDX or fan_num > self.FAN_NUM_ON_MAIN_BROAD:
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logging.debug('GET. Parameter error. fan_num:%d', fan_num)
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return None
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if node_num < self.FAN_NODE_FAULT_IDX_OF_MAP or node_num > self.FAN_NODE_NUM_OF_MAP:
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logging.debug('GET. Parameter error. node_num:%d', node_num)
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return None
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device_path = self.get_fan_device_path(fan_num, node_num)
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try:
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val_file = open(device_path, '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 Exception:
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logging.debug(
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'GET. unable to close file. device_path:%s',
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device_path)
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return None
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return int(content)
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def _set_fan_node_val(self, fan_num, node_num, val):
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if fan_num < self.FAN_NUM_1_IDX or fan_num > self.FAN_NUM_ON_MAIN_BROAD:
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logging.debug('GET. Parameter error. fan_num:%d', fan_num)
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return None
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if node_num < self.FAN_NODE_FAULT_IDX_OF_MAP or node_num > self.FAN_NODE_NUM_OF_MAP:
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logging.debug('GET. Parameter error. node_num:%d', node_num)
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return None
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content = str(val)
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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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device_path = self.get_fan_device_path(fan_num, node_num)
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try:
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val_file = open(device_path, 'w')
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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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val_file.write(content)
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try:
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val_file.close()
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except BaseException:
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logging.debug(
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'GET. unable to close file. device_path:%s',
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device_path)
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return None
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return True
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def __init__(self):
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fan_path = self.BASE_VAL_PATH
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for fan_num in range(
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self.FAN_NUM_1_IDX,
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self.FAN_NUM_ON_MAIN_BROAD + 1):
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for node_num in range(
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self.FAN_NODE_FAULT_IDX_OF_MAP,
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self.FAN_NODE_NUM_OF_MAP + 1):
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self._fan_device_path_mapping[(fan_num, node_num)] = fan_path.format(
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self._fan_device_node_mapping[(fan_num, node_num)])
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def get_size_node_map(self):
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return len(self._fan_device_node_mapping)
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def get_fan_device_path(self, fan_num, node_num):
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return self._fan_device_path_mapping[(fan_num, node_num)]
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def get_fan_fault(self, fan_num):
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return self._get_fan_node_val(fan_num, self.FAN_NODE_FAULT_IDX_OF_MAP)
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def get_fan_present(self, fan_num):
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return self._get_fan_node_val(
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fan_num, self.FAN_NODE_PRESENT_IDX_OF_MAP)
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def get_fan_dir(self, fan_num):
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return self._get_fan_node_val(fan_num, self.FAN_NODE_DIR_IDX_OF_MAP)
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def get_fan_duty_cycle(self):
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try:
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val_file = open(self.FAN_DUTY_PATH)
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except IOError as e:
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print "Error: unable to open file: %s" % str(e)
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return False
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content = val_file.readline().rstrip()
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val_file.close()
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return int(content)
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def set_fan_duty_cycle(self, val):
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try:
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fan_file = open(self.FAN_DUTY_PATH, 'r+')
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except IOError as e:
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print "Error: unable to open file: %s" % str(e)
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return False
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fan_file.write(str(val))
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fan_file.close()
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return True
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def get_fan_speed(self, fan_num):
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return self._get_fan_node_val(fan_num, self.FAN_NODE_SPEED_IDX_OF_MAP)
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def get_fan_status(self, fan_num):
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if fan_num < self.FAN_NUM_1_IDX or fan_num > self.FAN_NUM_ON_MAIN_BROAD:
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logging.debug('GET. Parameter error. fan_num, %d', fan_num)
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return None
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if self.get_fan_fault(
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fan_num) == 0 and self.get_fan_present(fan_num) > 0:
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return 1
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else:
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logging.debug('GET. FAN fault. fan_num, %d', fan_num)
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return 0
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def main():
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fan = FanUtil()
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logging.debug('fan_duty_cycle=%d', fan.get_fan_duty_cycle())
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for i in range(1, 4):
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logging.debug('fan-%d speed=%d', i, fan.get_fan_speed(i))
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logging.debug('fan-%d present=%d', i, fan.get_fan_present(i))
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logging.debug('fan-%d fault=%d', i, fan.get_fan_fault(i))
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logging.debug('fan-%d status=%d', i, fan.get_fan_status(i))
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if __name__ == '__main__':
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main()
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