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