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# -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# SPDX-FileCopyrightText: 2022 Nicolas Hennion <nicolas@nicolargo.com>
#
# SPDX-License-Identifier: LGPL-3.0-only
#
"""Sensors plugin."""
import psutil
import warnings
from glances.logger import logger
from glances.compat import iteritems, to_fahrenheit
from glances.timer import Counter
from glances.plugins.sensors.glances_batpercent import Plugin as BatPercentPlugin
from glances.plugins.sensors.glances_hddtemp import Plugin as HddTempPlugin
from glances.outputs.glances_unicode import unicode_message
from glances.plugins.glances_plugin import GlancesPlugin
SENSOR_TEMP_TYPE = 'temperature_core'
SENSOR_TEMP_UNIT = 'C'
SENSOR_FAN_TYPE = 'fan_speed'
SENSOR_FAN_UNIT = 'R'
class Plugin(GlancesPlugin):
"""Glances sensors plugin.
The stats list includes both sensors and hard disks stats, if any.
The sensors are already grouped by chip type and then sorted by name.
The hard disks are already sorted by name.
"""
def __init__(self, args=None, config=None):
"""Init the plugin."""
super(Plugin, self).__init__(args=args, config=config, stats_init_value=[])
start_duration = Counter()
# Init the sensor class
start_duration.reset()
self.glances_grab_sensors = GlancesGrabSensors()
logger.debug("Generic sensor plugin init duration: {} seconds".format(start_duration.get()))
# Instance for the HDDTemp Plugin in order to display the hard disks
# temperatures
start_duration.reset()
self.hddtemp_plugin = HddTempPlugin(args=args, config=config)
logger.debug("HDDTemp sensor plugin init duration: {} seconds".format(start_duration.get()))
# Instance for the BatPercent in order to display the batteries
# capacities
start_duration.reset()
self.bat_percent_plugin = BatPercentPlugin(args=args, config=config)
logger.debug("Battery sensor plugin init duration: {} seconds".format(start_duration.get()))
# We want to display the stat in the curse interface
self.display_curse = True
# Not necessary to refresh every refresh time
# By default set to refresh * 2
if self.get_refresh() == args.time:
self.set_refresh(self.get_refresh() * 2)
def get_key(self):
"""Return the key of the list."""
return 'label'
@GlancesPlugin._check_decorator
@GlancesPlugin._log_result_decorator
def update(self):
"""Update sensors stats using the input method."""
# Init new stats
stats = self.get_init_value()
if self.input_method == 'local':
# Update stats using the dedicated lib
stats = []
# Get the temperature
try:
temperature = self.__set_type(self.glances_grab_sensors.get(SENSOR_TEMP_TYPE), SENSOR_TEMP_TYPE)
except Exception as e:
logger.error("Cannot grab sensors temperatures (%s)" % e)
else:
# Append temperature
stats.extend(temperature)
# Get the FAN speed
try:
fan_speed = self.__set_type(self.glances_grab_sensors.get(SENSOR_FAN_TYPE), SENSOR_FAN_TYPE)
except Exception as e:
logger.error("Cannot grab FAN speed (%s)" % e)
else:
# Append FAN speed
stats.extend(fan_speed)
# Update HDDtemp stats
try:
hddtemp = self.__set_type(self.hddtemp_plugin.update(), 'temperature_hdd')
except Exception as e:
logger.error("Cannot grab HDD temperature (%s)" % e)
else:
# Append HDD temperature
stats.extend(hddtemp)
# Update batteries stats
try:
bat_percent = self.__set_type(self.bat_percent_plugin.update(), 'battery')
except Exception as e:
logger.error("Cannot grab battery percent (%s)" % e)
else:
# Append Batteries %
stats.extend(bat_percent)
elif self.input_method == 'snmp':
# Update stats using SNMP
# No standard:
# http://www.net-snmp.org/wiki/index.php/Net-SNMP_and_lm-sensors_on_Ubuntu_10.04
pass
# Global change on stats
self.stats = self.get_init_value()
for stat in stats:
# Do not take hide stat into account
if not self.is_display(stat["label"].lower()):
continue
# Set the alias for each stat
# alias = self.has_alias(stat["label"].lower())
# if alias:
# stat["label"] = alias
stat["label"] = self.__get_alias(stat)
# Update the stats
self.stats.append(stat)
return self.stats
def __get_alias(self, stats):
"""Return the alias of the sensor."""
# Get the alias for each stat
if self.has_alias(stats["label"].lower()):
return self.has_alias(stats["label"].lower())
elif self.has_alias("{}_{}".format(stats["label"], stats["type"]).lower()):
return self.has_alias("{}_{}".format(stats["label"], stats["type"]).lower())
else:
return stats["label"]
def __set_type(self, stats, sensor_type):
"""Set the plugin type.
4 types of stats is possible in the sensors plugin:
- Core temperature: SENSOR_TEMP_TYPE
- Fan speed: SENSOR_FAN_TYPE
- HDD temperature: 'temperature_hdd'
- Battery capacity: 'battery'
"""
for i in stats:
# Set the sensors type
i.update({'type': sensor_type})
# also add the key name
i.update({'key': self.get_key()})
return stats
def update_views(self):
"""Update stats views."""
# Call the father's method
super(Plugin, self).update_views()
# Add specifics information
# Alert
for i in self.stats:
if not i['value']:
continue
# Alert processing
if i['type'] == SENSOR_TEMP_TYPE:
if self.is_limit('critical', stat_name='sensors_temperature_' + i['label']):
# By default use the thresholds confiured in the glances.conf file (see #2058)
alert = self.get_alert(current=i['value'], header='temperature_' + i['label'])
else:
# Else use the system thresholds
if i['critical'] is None:
alert = 'DEFAULT'
elif i['value'] >= i['critical']:
alert = 'CRITICAL'
elif i['warning'] is None:
alert = 'DEFAULT'
elif i['value'] >= i['warning']:
alert = 'WARNING'
else:
alert = 'OK'
elif i['type'] == 'battery':
alert = self.get_alert(current=100 - i['value'], header=i['type'])
else:
alert = self.get_alert(current=i['value'], header=i['type'])
# Set the alert in the view
self.views[i[self.get_key()]]['value']['decoration'] = alert
def battery_trend(self, stats):
"""Return the trend characterr for the battery"""
if 'status' not in stats:
return ''
if stats['status'].startswith('Charg'):
return unicode_message('ARROW_UP')
elif stats['status'].startswith('Discharg'):
return unicode_message('ARROW_DOWN')
elif stats['status'].startswith('Full'):
return unicode_message('CHECK')
return ''
def msg_curse(self, args=None, max_width=None):
"""Return the dict to display in the curse interface."""
# Init the return message
ret = []
# Only process if stats exist and display plugin enable...
if not self.stats or self.is_disabled():
return ret
# Max size for the interface name
name_max_width = max_width - 12
# Header
msg = '{:{width}}'.format('SENSORS', width=name_max_width)
ret.append(self.curse_add_line(msg, "TITLE"))
# Stats
for i in self.stats:
# Do not display anything if no battery are detected
if i['type'] == 'battery' and i['value'] == []:
continue
# New line
ret.append(self.curse_new_line())
msg = '{:{width}}'.format(i["label"][:name_max_width], width=name_max_width)
ret.append(self.curse_add_line(msg))
if i['value'] in (b'ERR', b'SLP', b'UNK', b'NOS'):
msg = '{:>14}'.format(i['value'])
ret.append(
self.curse_add_line(msg, self.get_views(item=i[self.get_key()], key='value', option='decoration'))
)
else:
if args.fahrenheit and i['type'] != 'battery' and i['type'] != SENSOR_FAN_TYPE:
trend = ''
value = to_fahrenheit(i['value'])
unit = 'F'
else:
trend = self.battery_trend(i)
value = i['value']
unit = i['unit']
try:
msg = '{:.0f}{}{}'.format(value, unit, trend)
msg = '{:>14}'.format(msg)
ret.append(
self.curse_add_line(
msg, self.get_views(item=i[self.get_key()], key='value', option='decoration')
)
)
except (TypeError, ValueError):
pass
return ret
class GlancesGrabSensors(object):
"""Get sensors stats."""
def __init__(self):
"""Init sensors stats."""
# Temperatures
self.init_temp = False
self.sensor_temps = {}
try:
# psutil>=5.1.0, Linux-only
self.sensor_temps = psutil.sensors_temperatures()
except AttributeError:
logger.debug("Cannot grab temperatures. Platform not supported.")
else:
self.init_temp = True
# Solve an issue #1203 concerning a RunTimeError warning message displayed
# in the curses interface.
warnings.filterwarnings("ignore")
# Fans
self.init_fan = False
self.sensor_fans = {}
try:
# psutil>=5.2.0, Linux-only
self.sensor_fans = psutil.sensors_fans()
except AttributeError:
logger.debug("Cannot grab fans speed. Platform not supported.")
else:
self.init_fan = True
# Init the stats
self.reset()
def reset(self):
"""Reset/init the stats."""
self.sensors_list = []
def __update__(self):
"""Update the stats."""
# Reset the list
self.reset()
if not self.init_temp:
return self.sensors_list
# Temperatures sensors
self.sensors_list.extend(self.build_sensors_list(SENSOR_TEMP_UNIT))
# Fans sensors
self.sensors_list.extend(self.build_sensors_list(SENSOR_FAN_UNIT))
return self.sensors_list
def build_sensors_list(self, type):
"""Build the sensors list depending of the type.
type: SENSOR_TEMP_UNIT or SENSOR_FAN_UNIT
output: a list
"""
ret = []
if type == SENSOR_TEMP_UNIT and self.init_temp:
input_list = self.sensor_temps
self.sensor_temps = psutil.sensors_temperatures()
elif type == SENSOR_FAN_UNIT and self.init_fan:
input_list = self.sensor_fans
self.sensor_fans = psutil.sensors_fans()
else:
return ret
for chip_name, chip in iteritems(input_list):
i = 1
for feature in chip:
sensors_current = {}
# Sensor name
if feature.label == '':
sensors_current['label'] = chip_name + ' ' + str(i)
else:
sensors_current['label'] = feature.label
# Sensors value, limit and unit
sensors_current['unit'] = type
sensors_current['value'] = int(getattr(feature, 'current', 0) if getattr(feature, 'current', 0) else 0)
system_warning = getattr(feature, 'high', None)
system_critical = getattr(feature, 'critical', None)
sensors_current['warning'] = int(system_warning) if system_warning is not None else None
sensors_current['critical'] = int(system_critical) if system_critical is not None else None
# Add sensor to the list
ret.append(sensors_current)
i += 1
return ret
def get(self, sensor_type=SENSOR_TEMP_TYPE):
"""Get sensors list."""
self.__update__()
if sensor_type == SENSOR_TEMP_TYPE:
ret = [s for s in self.sensors_list if s['unit'] == SENSOR_TEMP_UNIT]
elif sensor_type == SENSOR_FAN_TYPE:
ret = [s for s in self.sensors_list if s['unit'] == SENSOR_FAN_UNIT]
else:
# Unknown type
logger.debug("Unknown sensor type %s" % sensor_type)
ret = []
return ret