/usr/lib/python3/dist-packages/glances/plugins/glances_hddtemp.py is in glances 2.7.1.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 | # -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# Copyright (C) 2015 Nicolargo <nicolas@nicolargo.com>
#
# Glances is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Glances 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""HDD temperature plugin."""
import os
import socket
from glances.compat import nativestr, range
from glances.logger import logger
from glances.plugins.glances_plugin import GlancesPlugin
class Plugin(GlancesPlugin):
"""Glances HDD temperature sensors plugin.
stats is a list
"""
def __init__(self, args=None):
"""Init the plugin."""
super(Plugin, self).__init__(args=args)
# Init the sensor class
self.glancesgrabhddtemp = GlancesGrabHDDTemp(args=args)
# We do not want to display the stat in a dedicated area
# The HDD temp is displayed within the sensors plugin
self.display_curse = False
# Init stats
self.reset()
def reset(self):
"""Reset/init the stats."""
self.stats = []
def update(self):
"""Update HDD stats using the input method."""
# Reset stats
self.reset()
if self.input_method == 'local':
# Update stats using the standard system lib
self.stats = self.glancesgrabhddtemp.get()
else:
# Update stats using SNMP
# Not available for the moment
pass
return self.stats
class GlancesGrabHDDTemp(object):
"""Get hddtemp stats using a socket connection."""
def __init__(self, host='127.0.0.1', port=7634, args=None):
"""Init hddtemp stats."""
self.args = args
self.host = host
self.port = port
self.cache = ""
self.reset()
def reset(self):
"""Reset/init the stats."""
self.hddtemp_list = []
def __update__(self):
"""Update the stats."""
# Reset the list
self.reset()
# Only update if --disable-hddtemp is not set
if self.args is None or self.args.disable_hddtemp:
return
# Fetch the data
# data = ("|/dev/sda|WDC WD2500JS-75MHB0|44|C|"
# "|/dev/sdb|WDC WD2500JS-75MHB0|35|C|"
# "|/dev/sdc|WDC WD3200AAKS-75B3A0|45|C|"
# "|/dev/sdd|WDC WD3200AAKS-75B3A0|45|C|"
# "|/dev/sde|WDC WD3200AAKS-75B3A0|43|C|"
# "|/dev/sdf|???|ERR|*|"
# "|/dev/sdg|HGST HTS541010A9E680|SLP|*|"
# "|/dev/sdh|HGST HTS541010A9E680|UNK|*|")
data = self.fetch()
# Exit if no data
if data == "":
return
# Safety check to avoid malformed data
# Considering the size of "|/dev/sda||0||" as the minimum
if len(data) < 14:
data = self.cache if len(self.cache) > 0 else self.fetch()
self.cache = data
try:
fields = data.split(b'|')
except TypeError:
fields = ""
devices = (len(fields) - 1) // 5
for item in range(devices):
offset = item * 5
hddtemp_current = {}
device = os.path.basename(nativestr(fields[offset + 1]))
temperature = fields[offset + 3]
unit = nativestr(fields[offset + 4])
hddtemp_current['label'] = device
try:
hddtemp_current['value'] = float(temperature)
except ValueError:
# Temperature could be 'ERR', 'SLP' or 'UNK' (see issue #824)
# Improper bytes/unicode in glances_hddtemp.py (see issue #887)
hddtemp_current['value'] = nativestr(temperature)
hddtemp_current['unit'] = unit
self.hddtemp_list.append(hddtemp_current)
def fetch(self):
"""Fetch the data from hddtemp daemon."""
# Taking care of sudden deaths/stops of hddtemp daemon
try:
sck = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sck.connect((self.host, self.port))
data = sck.recv(4096)
except socket.error as e:
logger.debug("Cannot connect to an HDDtemp server ({}:{} => {})".format(self.host, self.port, e))
logger.debug("Disable the HDDtemp module. Use the --disable-hddtemp to hide the previous message.")
self.args.disable_hddtemp = True
data = ""
finally:
sck.close()
return data
def get(self):
"""Get HDDs list."""
self.__update__()
return self.hddtemp_list
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