99 lines
3.5 KiB
Python
99 lines
3.5 KiB
Python
# osmo_gsm_tester: class defining a Power Supply object
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#
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# Copyright (C) 2019 by sysmocom - s.f.m.c. GmbH
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#
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# Author: Pau Espin Pedrol <pespin@sysmocom.de>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program 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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import urllib.request
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import xml.etree.ElementTree as ET
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from ..core import log
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from .powersupply import PowerSupply
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class PowerSupplyIntellinet(PowerSupply):
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"""PowerSupply implementation to controll Intellinet devices."""
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# HTTP request timeout, in seconds
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PDU_TIMEOUT = 5
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PDU_CMD_ON = 0
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PDU_CMD_OFF = 1
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def _url_prefix(self):
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return 'http://' + self.device_ip
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def _url_status(self):
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return self._url_prefix() + '/status.xml'
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def _url_set_port_status(self, pdu_cmd):
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return self._url_prefix() + "/control_outlet.htm?" + "outlet" + str(self.port - 1) + "=1" + "&op=" + str(pdu_cmd) + "&submit=Anwenden"
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def _port_stat_name(self):
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# Names start with idx 0, while in ogt we count sockets starting from 1.
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return 'outletStat' + str(self.port - 1)
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def _fetch_status(self):
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data = urllib.request.urlopen(self._url_status(), timeout = self.PDU_TIMEOUT).read()
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if not data:
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raise log.Error('empty status xml')
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return data
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def _get_port_status(self):
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data = self._fetch_status()
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root = ET.fromstring(data)
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for child in root:
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if child.tag == self._port_stat_name():
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return child.text
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raise log.Error('no state for %s' % self._port_stat_name())
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def _set_port_status(self, pdu_cmd):
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urllib.request.urlopen(self._url_set_port_status(pdu_cmd),timeout = self.PDU_TIMEOUT).read()
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########################
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# PUBLIC - INTERNAL API
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########################
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def __init__(self, conf):
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super().__init__(conf, 'intellinet')
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mydevid = conf.get('device')
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if mydevid is None:
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raise log.Error('No "device" attribute provided in supply conf!')
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self.set_name('intellinet-'+mydevid)
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myport = conf.get('port')
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if myport is None:
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raise log.Error('No "port" attribute provided in power_supply conf!')
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if not int(myport):
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raise log.Error('Wrong non numeric "port" attribute provided in power_supply conf!')
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self.set_name('intellinet-'+mydevid+'-'+myport)
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self.device_ip = mydevid
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self.port = int(myport)
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def is_powered(self):
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"""Get whether the device is powered on or off."""
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return self._get_port_status() == 'on'
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def power_set(self, onoff):
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"""Turn on (onoff=True) or off (onoff=False) the device."""
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if onoff:
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self.dbg('switchon %s:%u' % (self.device_ip, self.port))
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self._set_port_status(self.PDU_CMD_ON)
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else:
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self.dbg('switchoff %s:%u' % (self.device_ip, self.port))
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self._set_port_status(self.PDU_CMD_OFF)
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# vim: expandtab tabstop=4 shiftwidth=4
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