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# -*- coding: utf-8 -*- |
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# |
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# This file is part of Glances. |
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# |
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# Copyright (C) 2015 Nicolargo <[email protected]> |
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# |
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# Glances is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU Lesser 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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# Glances 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 Lesser General Public License for more details. |
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# |
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# You should have received a copy of the GNU Lesser General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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"""HDD temperature plugin.""" |
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import os |
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import socket |
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from glances.compat import nativestr, range |
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from glances.logger import logger |
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from glances.plugins.glances_plugin import GlancesPlugin |
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class Plugin(GlancesPlugin): |
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"""Glances HDD temperature sensors plugin. |
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stats is a list |
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""" |
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def __init__(self, args=None): |
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"""Init the plugin.""" |
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super(Plugin, self).__init__(args=args) |
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# Init the sensor class |
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self.glancesgrabhddtemp = GlancesGrabHDDTemp(args=args) |
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# We do not want to display the stat in a dedicated area |
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# The HDD temp is displayed within the sensors plugin |
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self.display_curse = False |
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# Init stats |
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self.reset() |
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def reset(self): |
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"""Reset/init the stats.""" |
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self.stats = [] |
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def update(self): |
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"""Update HDD stats using the input method.""" |
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# Reset stats |
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self.reset() |
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if self.input_method == 'local': |
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# Update stats using the standard system lib |
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self.stats = self.glancesgrabhddtemp.get() |
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else: |
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# Update stats using SNMP |
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# Not available for the moment |
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pass |
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return self.stats |
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class GlancesGrabHDDTemp(object): |
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"""Get hddtemp stats using a socket connection.""" |
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def __init__(self, host='127.0.0.1', port=7634, args=None): |
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"""Init hddtemp stats.""" |
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self.args = args |
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self.host = host |
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self.port = port |
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self.cache = "" |
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self.reset() |
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def reset(self): |
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"""Reset/init the stats.""" |
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self.hddtemp_list = [] |
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def __update__(self): |
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"""Update the stats.""" |
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# Reset the list |
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self.reset() |
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# Only update if --disable-hddtemp is not set |
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if self.args is None or self.args.disable_hddtemp: |
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return |
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# Fetch the data |
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data = self.fetch() |
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# Exit if no data |
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if data == "": |
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return |
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# Safety check to avoid malformed data |
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# Considering the size of "|/dev/sda||0||" as the minimum |
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if len(data) < 14: |
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data = self.cache if len(self.cache) > 0 else self.fetch() |
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self.cache = data |
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try: |
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fields = data.split(b'|') |
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except TypeError: |
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fields = "" |
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devices = (len(fields) - 1) // 5 |
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for item in range(devices): |
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offset = item * 5 |
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hddtemp_current = {} |
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device = os.path.basename(nativestr(fields[offset + 1])) |
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temperature = fields[offset + 3] |
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unit = nativestr(fields[offset + 4]) |
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hddtemp_current['label'] = device |
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hddtemp_current['value'] = float(temperature) if temperature != b'ERR' else temperature |
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hddtemp_current['unit'] = unit |
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self.hddtemp_list.append(hddtemp_current) |
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def fetch(self): |
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"""Fetch the data from hddtemp daemon.""" |
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# Taking care of sudden deaths/stops of hddtemp daemon |
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try: |
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sck = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
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sck.connect((self.host, self.port)) |
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data = sck.recv(4096) |
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except socket.error as e: |
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logger.warning("Can not connect to an HDDtemp server ({0}:{1} => {2})".format(self.host, self.port, e)) |
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logger.debug("Disable the HDDtemp module. Use the --disable-hddtemp to hide the previous message.") |
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self.args.disable_hddtemp = True |
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data = "" |
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finally: |
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sck.close() |
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return data |
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def get(self): |
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"""Get HDDs list.""" |
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self.__update__() |
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return self.hddtemp_list |
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nicolargo /
glances
