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sysfan.py
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"""Hardware monitor module for fan sensor data
"""
from copy import deepcopy
from psutil import sensors_fans
from stressmon.hwsensors import HWSensorBase
class SysFan(HWSensorBase):
"""System Fans sensor class
"""
headings = ['Fans', 'Current(RPM)', 'Min(RPM)', 'Max(RPM)', 'Mean(RPM)']
def __init__(self) -> None:
self.iteration = 1
self.drivers = [driver for driver in sensors_fans().keys()
if driver != 'amdgpu']
self.fans = {}
self.mmm = {}
self.lines = len(self.drivers) * 2
if self.drivers:
self.fans = dict.fromkeys(self.drivers)
for driver in self.drivers:
fans = list(sensors_fans()[driver])
fans = [fan[0] for fan in fans]
for i, fan in enumerate(fans):
if fan == '':
fans[i] = driver
self.lines += 1
self.fans[driver] = dict.fromkeys(fans)
self.lines += 1
self.mmm = deepcopy(self.fans)
for driver in self.drivers:
fans = list(self.mmm[driver].keys())
for fan in fans:
self.mmm[driver][fan] = [9999, 0, 0]
self.driver_iter = None
self.current_driver = None
self.current_fans = None
self.fan_iter = None
def __iter__(self):
# Create an iterator for drivers
self.driver_iter = iter(self.fans.items())
# Get the first driver and its associated fans
self.current_driver, self.current_fans = next(self.driver_iter, (None, None))
# Create an iterator for the fans of the current driver
self.fan_iter = iter(self.current_fans) if self.current_driver else iter([])
return self
def __next__(self) -> list:
# As long as there are drivers left to process
while self.current_driver:
# Try to get the next fan for the current driver
for fan in self.fan_iter:
return [self.current_driver, fan]
# If we've processed all fans for the current driver, get the next driver
self.current_driver, self.current_fans = next(self.driver_iter, (None, None))
# Reset the fan iterator for the new driver
self.fan_iter = iter(self.current_fans) if self.current_driver else iter([])
# If we've exhausted all drivers and fans, raise StopIteration
raise StopIteration
def get_drivers(self) -> list:
"""Get list of supported fan drivers
Returns:
list: list of supported fan drivers
"""
return self.drivers
def get_fan_names(self, driver: str) -> list:
"""Get list of fans in supported driver
Args:
driver (str): driver name
Returns:
list: list of fans in supported driver
"""
return list(self.fans.get(driver, {}).keys())
def update(self) -> None:
"""Update fan speeds
"""
if self.drivers:
current = sensors_fans()
for driver in self.drivers:
fans = list(current[driver])
for fan in fans:
fan = list(fan)
if fan[0] == '':
fan[0] = driver
self.fans[driver][fan[0]] = fan[1]
self.mmm[driver][fan[0]][0] = min(
[self.mmm[driver][fan[0]][0], fan[1]])
self.mmm[driver][fan[0]][1] = max(
[self.mmm[driver][fan[0]][1], fan[1]])
mean = self.mmm[driver][fan[0]][2]
self.mmm[driver][fan[0]][2] = mean + \
(fan[1] - mean) / self.iteration
self.iteration += 1
def get_label(self, params: list) -> str | None:
"""Get label for current fan"""
if len(params) != 2:
return None
return params[1]
def get_section(self, params: list) -> str | None:
"""Get section"""
if len(params) != 2:
return None
return f"{params[0]}"
def get_subsection(self, _) -> str | None:
"""Get subsection"""
return None
def get_current(self, params: list) -> int | None:
"""Get the current fan speed for fans[driver][fan]
Args:
driver (str): supported driver name
fan (str): fan name
Returns:
int: current fan speed
"""
if len(params) != 2:
return None
return self.fans.get(params[0], {}).get(params[1], None)
def get_min(self, params: list) -> int | None:
"""Get the minimum fan speed for fans[driver][fan]
Args:
driver (str): supported driver name
fan (str): fan name
Returns:
int: minimum fan speed
"""
if len(params) != 2:
return None
return self.mmm.get(params[0], {}).get(params[1], (None, None, None))[0]
def get_max(self, params: list) -> int | None:
"""Get the maximum fan speed for fans[driver][fan]
Args:
driver (str): supported driver name
fan (str): fan name
Returns:
int: maximum fan speed
"""
if len(params) != 2:
return None
return self.mmm.get(params[0], {}).get(params[1], (None, None, None))[1]
def get_mean(self, params: list) -> int | None:
"""Get the mean fan speed for fans[driver][fan]
Args:
driver (str): supported driver name
fan (str): fan name
Returns:
int: mean fan speed
"""
if len(params) != 2:
return None
ret = self.mmm.get(params[0], {}).get(params[1], (None, None, None))[2]
if ret is None:
return ret
return round(ret)
def get_csv_data(self) -> list:
"""get fan speeds as a list
Returns:
list: list of fan speeds
"""
ret = []
if self.drivers:
for driver in self.drivers:
fans = self.fans[driver].keys()
for fan in fans:
ret.append(self.fans[driver][fan])
return ret
def get_csv_headings(self) -> list:
"""Get list of headings
Returns:
list: list of headings
"""
headings = []
if self.drivers:
for driver in self.drivers:
fans = list(self.fans[driver].keys())
for fan in fans:
headings.append(f"{driver} {fan}")
return headings
def get_win_lines(self) -> int:
"""return number of lines needed for this data's curses window
"""
return self.lines
def is_empty(self) -> bool:
"""Are there fan drivers?
Returns:
bool: True if there are fan drivers
"""
if self.drivers:
return False
return True