64 lines
2.3 KiB
Python
64 lines
2.3 KiB
Python
# osmo_gsm_tester: class defining a RF emulation object implemented using Amarisoft Ctl interface
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#
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# Copyright (C) 2020 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 json
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from ..core import log
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from .rfemu import RFemulation
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class RFemulationAmarisoftCtrl(RFemulation):
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##############
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# PROTECTED
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##############
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def __init__(self, conf):
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super().__init__(conf, 'amarisoftctl')
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self.addr = conf.get('addr')
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self.port = conf.get('ports')
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if self.addr is None:
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raise log.Error('No "addr" attribute provided in supply conf!')
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if self.port is None or len(self.port) != 1:
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raise log.Error('No "port" attribute provided in supply conf!')
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self.port = self.port[0]
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self.set_name('amarisoftctl(%s:%d)' % (self.addr, self.port))
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self.cell_id = conf.get('cell_id')
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if self.cell_id is None:
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raise log.Error('No "cell_id" attribute provided in supply conf!')
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from websocket import create_connection
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self.ws = create_connection("ws://%s:%s" % (self.addr, self.port))
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def __del__(self):
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self.dbg('closing CTRL websocket')
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self.ws.close()
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#############################
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# PUBLIC (test API included)
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#############################
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def set_attenuation(self, db):
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msg = { "message": "cell_gain", "cell_id": int(self.cell_id), "gain": -db }
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msg_str = json.dumps(msg)
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self.dbg('sending CTRL msg: "%s"' % msg_str)
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self.ws.send(msg_str)
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self.dbg('waiting CTRL recv...')
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result = self.ws.recv()
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self.dbg('Received CTRL msg: "%s"' % result)
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# vim: expandtab tabstop=4 shiftwidth=4
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