#!/usr/bin/env python # # Copyright (C) 2017 Accton Technology Corporation # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # ------------------------------------------------------------------ # HISTORY: # mm/dd/yyyy (A.D.) # 11/13/2017: Polly Hsu, Create # # ------------------------------------------------------------------ try: import time import logging from collections import namedtuple except ImportError as e: raise ImportError('%s - required module not found' % str(e)) class FanUtil(object): """Platform-specific FanUtil class""" FAN_NUM_ON_MAIN_BROAD = 5 FAN_NUM_1_IDX = 1 FAN_NUM_2_IDX = 2 FAN_NUM_3_IDX = 3 FAN_NUM_4_IDX = 4 FAN_NUM_5_IDX = 5 FAN_NODE_NUM_OF_MAP = 6 FAN_NODE_FAULT_IDX_OF_MAP = 1 FAN_NODE_SPEED_IDX_OF_MAP = 2 FAN_NODE_DIR_IDX_OF_MAP = 3 FAN_NODE_DUTY_IDX_OF_MAP = 4 FANR_NODE_FAULT_IDX_OF_MAP = 5 FANR_NODE_SPEED_IDX_OF_MAP = 6 BASE_VAL_PATH = '/sys/devices/platform/as5812_54x_fan/{0}' #logfile = '' #loglevel = logging.INFO """ Dictionary where key1 = fan id index (integer) starting from 1 key2 = fan node index (interger) starting from 1 value = path to fan device file (string) """ _fan_to_device_path_mapping = {} _fan_to_device_node_mapping = { (FAN_NUM_1_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan1_fault', (FAN_NUM_1_IDX, FAN_NODE_SPEED_IDX_OF_MAP): 'fan1_speed_rpm', (FAN_NUM_1_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan1_direction', (FAN_NUM_1_IDX, FAN_NODE_DUTY_IDX_OF_MAP): 'fan1_duty_cycle_percentage', (FAN_NUM_1_IDX, FANR_NODE_FAULT_IDX_OF_MAP): 'fanr1_fault', (FAN_NUM_1_IDX, FANR_NODE_SPEED_IDX_OF_MAP): 'fanr1_speed_rpm', (FAN_NUM_2_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan2_fault', (FAN_NUM_2_IDX, FAN_NODE_SPEED_IDX_OF_MAP): 'fan2_speed_rpm', (FAN_NUM_2_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan2_direction', (FAN_NUM_2_IDX, FAN_NODE_DUTY_IDX_OF_MAP): 'fan2_duty_cycle_percentage', (FAN_NUM_2_IDX, FANR_NODE_FAULT_IDX_OF_MAP): 'fanr2_fault', (FAN_NUM_2_IDX, FANR_NODE_SPEED_IDX_OF_MAP): 'fanr2_speed_rpm', (FAN_NUM_3_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan3_fault', (FAN_NUM_3_IDX, FAN_NODE_SPEED_IDX_OF_MAP): 'fan3_speed_rpm', (FAN_NUM_3_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan3_direction', (FAN_NUM_3_IDX, FAN_NODE_DUTY_IDX_OF_MAP): 'fan3_duty_cycle_percentage', (FAN_NUM_3_IDX, FANR_NODE_FAULT_IDX_OF_MAP): 'fanr3_fault', (FAN_NUM_3_IDX, FANR_NODE_SPEED_IDX_OF_MAP): 'fanr3_speed_rpm', (FAN_NUM_4_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan4_fault', (FAN_NUM_4_IDX, FAN_NODE_SPEED_IDX_OF_MAP): 'fan4_speed_rpm', (FAN_NUM_4_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan4_direction', (FAN_NUM_4_IDX, FAN_NODE_DUTY_IDX_OF_MAP): 'fan4_duty_cycle_percentage', (FAN_NUM_4_IDX, FANR_NODE_FAULT_IDX_OF_MAP): 'fanr4_fault', (FAN_NUM_4_IDX, FANR_NODE_SPEED_IDX_OF_MAP): 'fanr4_speed_rpm', (FAN_NUM_5_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan5_fault', (FAN_NUM_5_IDX, FAN_NODE_SPEED_IDX_OF_MAP): 'fan5_speed_rpm', (FAN_NUM_5_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan5_direction', (FAN_NUM_5_IDX, FAN_NODE_DUTY_IDX_OF_MAP): 'fan5_duty_cycle_percentage', (FAN_NUM_5_IDX, FANR_NODE_FAULT_IDX_OF_MAP): 'fanr5_fault', (FAN_NUM_5_IDX, FANR_NODE_SPEED_IDX_OF_MAP): 'fanr5_speed_rpm', } logger = logging.getLogger(__name__) def __init__(self, log_level=logging.DEBUG): ch = logging.StreamHandler() ch.setLevel(log_level) self.logger.addHandler(ch) fan_path = self.BASE_VAL_PATH for fan_num in range(self.FAN_NUM_1_IDX, self.FAN_NUM_ON_MAIN_BROAD+1): for node_num in range(self.FAN_NODE_FAULT_IDX_OF_MAP, self.FAN_NODE_NUM_OF_MAP+1): self._fan_to_device_path_mapping[(fan_num, node_num)] = fan_path.format( self._fan_to_device_node_mapping[(fan_num, node_num)]) def _get_fan_to_device_node(self, fan_num, node_num): return self._fan_to_device_node_mapping[(fan_num, node_num)] def _get_fan_node_val(self, fan_num, node_num): if fan_num < self.FAN_NUM_1_IDX or fan_num > self.FAN_NUM_ON_MAIN_BROAD: self.logger.debug('GET. Parameter error. fan_num:%d', fan_num) return None if node_num < self.FAN_NODE_FAULT_IDX_OF_MAP or node_num > self.FAN_NODE_NUM_OF_MAP: self.logger.debug('GET. Parameter error. node_num:%d', node_num) return None device_path = self.get_fan_to_device_path(fan_num, node_num) try: val_file = open(device_path, 'r') except IOError as e: self.logger.error('GET. unable to open file: %s', str(e)) return None content = val_file.readline().rstrip() if content == '': self.logger.debug('GET. content is NULL. device_path:%s', device_path) return None try: val_file.close() except: self.logger.debug('GET. unable to close file. device_path:%s', device_path) return None return int(content) def _set_fan_node_val(self, fan_num, node_num, val): if fan_num < self.FAN_NUM_1_IDX or fan_num > self.FAN_NUM_ON_MAIN_BROAD: self.logger.debug('GET. Parameter error. fan_num:%d', fan_num) return None if node_num < self.FAN_NODE_FAULT_IDX_OF_MAP or node_num > self.FAN_NODE_NUM_OF_MAP: self.logger.debug('GET. Parameter error. node_num:%d', node_num) return None content = str(val) if content == '': self.logger.debug('GET. content is NULL. device_path:%s', device_path) return None device_path = self.get_fan_to_device_path(fan_num, node_num) try: val_file = open(device_path, 'w') except IOError as e: self.logger.error('GET. unable to open file: %s', str(e)) return None val_file.write(content) try: val_file.close() except: self.logger.debug('GET. unable to close file. device_path:%s', device_path) return None return True def get_num_fans(self): return self.FAN_NUM_ON_MAIN_BROAD def get_idx_fan_start(self): return self.FAN_NUM_1_IDX def get_num_nodes(self): return self.FAN_NODE_NUM_OF_MAP def get_idx_node_start(self): return self.FAN_NODE_FAULT_IDX_OF_MAP def get_size_node_map(self): return len(self._fan_to_device_node_mapping) def get_size_path_map(self): return len(self._fan_to_device_path_mapping) def get_fan_to_device_path(self, fan_num, node_num): return self._fan_to_device_path_mapping[(fan_num, node_num)] def get_fan_fault(self, fan_num): return self._get_fan_node_val(fan_num, self.FAN_NODE_FAULT_IDX_OF_MAP) def get_fan_speed(self, fan_num): return self._get_fan_node_val(fan_num, self.FAN_NODE_SPEED_IDX_OF_MAP) def get_fan_dir(self, fan_num): return self._get_fan_node_val(fan_num, self.FAN_NODE_DIR_IDX_OF_MAP) def get_fan_duty_cycle(self, fan_num): return self._get_fan_node_val(fan_num, self.FAN_NODE_DUTY_IDX_OF_MAP) def set_fan_duty_cycle(self, fan_num, val): return self._set_fan_node_val(fan_num, self.FAN_NODE_DUTY_IDX_OF_MAP, val) def get_fanr_fault(self, fan_num): return self._get_fan_node_val(fan_num, self.FANR_NODE_FAULT_IDX_OF_MAP) def get_fanr_speed(self, fan_num): return self._get_fan_node_val(fan_num, self.FANR_NODE_SPEED_IDX_OF_MAP) def get_fan_status(self, fan_num): if fan_num < self.FAN_NUM_1_IDX or fan_num > self.FAN_NUM_ON_MAIN_BROAD: self.logger.debug('GET. Parameter error. fan_num, %d', fan_num) return None if self.get_fan_fault(fan_num) is not None and self.get_fan_fault(fan_num) > 0: self.logger.debug('GET. FAN fault. fan_num, %d', fan_num) return False if self.get_fanr_fault(fan_num) is not None and self.get_fanr_fault(fan_num) > 0: self.logger.debug('GET. FANR fault. fan_num, %d', fan_num) return False return True