255 lines
8.7 KiB
Python
255 lines
8.7 KiB
Python
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#!/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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# 1/10/2018: Jostar modify for as7716_32
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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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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 FanUtil(object):
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"""Platform-specific FanUtil class"""
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FAN_NUM_ON_MAIN_BROAD = 6
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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_NUM_4_IDX = 4
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FAN_NUM_5_IDX = 5
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FAN_NUM_6_IDX = 6
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FAN_NODE_NUM_OF_MAP = 2
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FAN_NODE_FAULT_IDX_OF_MAP = 1
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#FAN_NODE_SPEED_IDX_OF_MAP = 2
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FAN_NODE_DIR_IDX_OF_MAP = 2
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#FAN_NODE_DUTY_IDX_OF_MAP = 4
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#FANR_NODE_FAULT_IDX_OF_MAP = 5
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#BASE_VAL_PATH = '/sys/devices/platform/as5712_54x_fan/{0}'
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BASE_VAL_PATH = '/sys/bus/i2c/devices/9-0066/{0}'
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FAN_DUTY_PATH = '/sys/bus/i2c/devices/9-0066/fan_duty_cycle_percentage'
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#logfile = ''
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#loglevel = logging.INFO
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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_to_device_path_mapping = {}
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#fan1_direction
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#fan1_fault
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#fan1_present
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#(FAN_NUM_2_IDX, FAN_NODE_DUTY_IDX_OF_MAP): 'fan2_duty_cycle_percentage',
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_fan_to_device_node_mapping = {
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(FAN_NUM_1_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan1_fault',
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(FAN_NUM_1_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan1_direction',
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(FAN_NUM_2_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan2_fault',
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(FAN_NUM_2_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan2_direction',
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(FAN_NUM_3_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan3_fault',
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(FAN_NUM_3_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan3_direction',
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(FAN_NUM_4_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan4_fault',
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(FAN_NUM_4_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan4_direction',
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(FAN_NUM_5_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan5_fault',
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(FAN_NUM_5_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan5_direction',
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(FAN_NUM_6_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan6_fault',
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(FAN_NUM_6_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan6_direction',
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}
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def _get_fan_to_device_node(self, fan_num, node_num):
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return self._fan_to_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_to_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:
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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 _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_to_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:
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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 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(self.FAN_NUM_1_IDX, self.FAN_NUM_ON_MAIN_BROAD+1):
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for node_num in range(self.FAN_NODE_FAULT_IDX_OF_MAP, self.FAN_NODE_NUM_OF_MAP+1):
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self._fan_to_device_path_mapping[(fan_num, node_num)] = fan_path.format(
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self._fan_to_device_node_mapping[(fan_num, node_num)])
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def get_num_fans(self):
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return self.FAN_NUM_ON_MAIN_BROAD
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def get_idx_fan_start(self):
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return self.FAN_NUM_1_IDX
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def get_num_nodes(self):
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return self.FAN_NODE_NUM_OF_MAP
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def get_idx_node_start(self):
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return self.FAN_NODE_FAULT_IDX_OF_MAP
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def get_size_node_map(self):
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return len(self._fan_to_device_node_mapping)
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def get_size_path_map(self):
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return len(self._fan_to_device_path_mapping)
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def get_fan_to_device_path(self, fan_num, node_num):
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return self._fan_to_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_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_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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#duty_path = self.FAN_DUTY_PATH
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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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#self._get_fan_node_val(fan_num, self.FAN_NODE_DUTY_IDX_OF_MAP)
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#static u32 reg_val_to_duty_cycle(u8 reg_val)
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#{
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# reg_val &= FAN_DUTY_CYCLE_REG_MASK;
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# return ((u32)(reg_val+1) * 625 + 75)/ 100;
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#}
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#
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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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#val = ((val + 1 ) * 625 +75 ) / 100
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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_fanr_fault(self, fan_num):
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# return self._get_fan_node_val(fan_num, self.FANR_NODE_FAULT_IDX_OF_MAP)
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def get_fanr_speed(self, fan_num):
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return self._get_fan_node_val(fan_num, self.FANR_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(fan_num) is not None and self.get_fan_fault(fan_num) > 0:
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logging.debug('GET. FAN fault. fan_num, %d', fan_num)
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return False
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#if self.get_fanr_fault(fan_num) is not None and self.get_fanr_fault(fan_num) > 0:
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# logging.debug('GET. FANR fault. fan_num, %d', fan_num)
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# return False
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return True
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#def main():
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# fan = FanUtil()
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#
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# print 'get_size_node_map : %d' % fan.get_size_node_map()
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# print 'get_size_path_map : %d' % fan.get_size_path_map()
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# for x in range(fan.get_idx_fan_start(), fan.get_num_fans()+1):
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# for y in range(fan.get_idx_node_start(), fan.get_num_nodes()+1):
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# print fan.get_fan_to_device_path(x, y)
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#
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#if __name__ == '__main__':
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# main()
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