178 lines
6.2 KiB
Python
178 lines
6.2 KiB
Python
# osmo_gsm_tester: specifics for running an osmo-msc
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#
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# Copyright (C) 2016-2017 by sysmocom - s.f.m.c. GmbH
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#
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# Author: Neels Hofmeyr <neels@hofmeyr.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 os
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import pprint
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from ..core import log, util, config, template, process
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from ..core import schema
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from . import osmo_ctrl, pcap_recorder, smsc
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def on_register_schemas():
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resource_schema = {
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'path': schema.STR,
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'emergency_call_msisdn': schema.MSISDN,
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}
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schema.register_resource_schema('modem', resource_schema)
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class OsmoMsc(log.Origin):
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def __init__(self, testenv, hlr, mgw, stp, ip_address):
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super().__init__(log.C_RUN, 'osmo-msc_%s' % ip_address.get('addr'))
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self.run_dir = None
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self.config_file = None
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self.process = None
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self.config = None
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self.encryption = None
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self.authentication = None
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self.use_osmux = "off"
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self.testenv = testenv
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self.ip_address = ip_address
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self._emergency_call_msisdn = None
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self.hlr = hlr
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self.mgw = mgw
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self.stp = stp
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self.smsc = smsc.Smsc((ip_address.get('addr'), 2775))
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self.ctrl = None
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def start(self):
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self.log('Starting osmo-msc')
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self.run_dir = util.Dir(self.testenv.test().get_run_dir().new_dir(self.name()))
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self.configure()
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inst = util.Dir(os.path.abspath(self.testenv.suite().trial().get_inst('osmo-msc')))
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binary = inst.child('bin', 'osmo-msc')
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if not os.path.isfile(binary):
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raise RuntimeError('Binary missing: %r' % binary)
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lib = inst.child('lib')
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if not os.path.isdir(lib):
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raise RuntimeError('No lib/ in %r' % inst)
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pcap_recorder.PcapRecorder(self.testenv, self.run_dir.new_dir('pcap'), None,
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'host %s and port not 22' % self.addr())
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env = { 'LD_LIBRARY_PATH': util.prepend_library_path(lib) }
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self.dbg(run_dir=self.run_dir, binary=binary, env=env)
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self.process = process.Process(self.name(), self.run_dir,
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(binary, '-c',
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os.path.abspath(self.config_file)),
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env=env)
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self.testenv.remember_to_stop(self.process)
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self.process.launch()
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self.ctrl = OsmoMscCtrl(self)
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self.ctrl.connect()
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def configure(self):
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self.config_file = self.run_dir.new_file('osmo-msc.cfg')
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self.dbg(config_file=self.config_file)
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values = dict(msc=config.get_defaults('msc'))
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config.overlay(values, self.testenv.suite().config())
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config.overlay(values, dict(msc=dict(ip_address=self.ip_address)))
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config.overlay(values, self.mgw.conf_for_client())
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config.overlay(values, self.hlr.conf_for_client())
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config.overlay(values, self.stp.conf_for_client())
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config.overlay(values, self.smsc.get_config())
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# runtime parameters:
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if self.encryption is not None:
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encryption_vty = util.encryption2osmovty(self.encryption)
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else:
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encryption_vty = util.encryption2osmovty(values['msc']['net']['encryption'])
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config.overlay(values, dict(msc=dict(net=dict(encryption=encryption_vty))))
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if self.authentication is not None:
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config.overlay(values, dict(msc=dict(net=dict(authentication=self.authentication))))
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config.overlay(values, dict(msc=dict(use_osmux=self.use_osmux)))
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if self._emergency_call_msisdn is not None:
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config.overlay(values, dict(msc=dict(emergency_call_msisdn=self._emergency_call_msisdn)))
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self.config = values
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self.dbg('MSC CONFIG:\n' + pprint.pformat(values))
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with open(self.config_file, 'w') as f:
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r = template.render('osmo-msc.cfg', values)
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self.dbg(r)
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f.write(r)
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def addr(self):
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return self.ip_address.get('addr')
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def set_encryption(self, val):
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self.encryption = val
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def set_authentication(self, val):
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if val is None:
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self.authroziation = None
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return
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self.authentication = "required" if val else "optional"
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def set_use_osmux(self, use=False, force=False):
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if not use:
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self.use_osmux = "off"
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else:
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if not force:
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self.use_osmux = "on"
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else:
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self.use_osmux = "only"
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def mcc(self):
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return self.config['msc']['net']['mcc']
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def mnc(self):
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return self.config['msc']['net']['mnc']
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def mcc_mnc(self):
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return (self.mcc(), self.mnc())
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def subscriber_attached(self, *modems):
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return self.imsi_attached(*[m.imsi() for m in modems])
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def imsi_attached(self, *imsis):
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attached = self.imsi_list_attached()
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log.dbg('attached:', attached)
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return all([(imsi in attached) for imsi in imsis])
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def imsi_list_attached(self):
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return self.ctrl.subscriber_list_active()
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def set_emergency_call_msisdn(self, msisdn):
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self.dbg('Setting Emergency Call MSISDN', msisdn=msisdn)
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self._emergency_call_msisdn = msisdn
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def running(self):
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return not self.process.terminated()
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def cleanup(self):
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if self.ctrl is not None:
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self.ctrl.disconnect()
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self.ctrl = None
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class OsmoMscCtrl(osmo_ctrl.OsmoCtrl):
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def __init__(self, msc, port=4255):
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self.msc = msc
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super().__init__(self.msc.addr(), port)
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def subscriber_list_active(self):
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return self.get_var('subscriber-list-active-v1').replace('\n', ' ')
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# vim: expandtab tabstop=4 shiftwidth=4
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