| # osmo_gsm_tester: specifics for running an osmo-msc |
| # |
| # Copyright (C) 2016-2017 by sysmocom - s.f.m.c. GmbH |
| # |
| # Author: Neels Hofmeyr <neels@hofmeyr.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 os |
| import pprint |
| |
| from . import log, util, config, template, process, osmo_ctrl, pcap_recorder, smsc |
| |
| class OsmoMsc(log.Origin): |
| |
| def __init__(self, suite_run, hlr, mgw, stp, ip_address): |
| super().__init__(log.C_RUN, 'osmo-msc_%s' % ip_address.get('addr')) |
| self.run_dir = None |
| self.config_file = None |
| self.process = None |
| self.config = None |
| self.encryption = None |
| self.authentication = None |
| self.suite_run = suite_run |
| self.ip_address = ip_address |
| self.hlr = hlr |
| self.mgw = mgw |
| self.stp = stp |
| self.smsc = smsc.Smsc((ip_address.get('addr'), 2775)) |
| |
| def start(self): |
| self.log('Starting osmo-msc') |
| self.run_dir = util.Dir(self.suite_run.get_test_run_dir().new_dir(self.name())) |
| self.configure() |
| inst = util.Dir(os.path.abspath(self.suite_run.trial.get_inst('osmo-msc'))) |
| binary = inst.child('bin', 'osmo-msc') |
| if not os.path.isfile(binary): |
| raise RuntimeError('Binary missing: %r' % binary) |
| lib = inst.child('lib') |
| if not os.path.isdir(lib): |
| raise RuntimeError('No lib/ in %r' % inst) |
| |
| pcap_recorder.PcapRecorder(self.suite_run, self.run_dir.new_dir('pcap'), None, |
| 'host %s and port not 22' % self.addr()) |
| |
| env = { 'LD_LIBRARY_PATH': util.prepend_library_path(lib) } |
| |
| self.dbg(run_dir=self.run_dir, binary=binary, env=env) |
| self.process = process.Process(self.name(), self.run_dir, |
| (binary, '-c', |
| os.path.abspath(self.config_file)), |
| env=env) |
| self.suite_run.remember_to_stop(self.process) |
| self.process.launch() |
| |
| def configure(self): |
| self.config_file = self.run_dir.new_file('osmo-msc.cfg') |
| self.dbg(config_file=self.config_file) |
| |
| values = dict(msc=config.get_defaults('msc')) |
| config.overlay(values, self.suite_run.config()) |
| config.overlay(values, dict(msc=dict(ip_address=self.ip_address))) |
| config.overlay(values, self.mgw.conf_for_client()) |
| config.overlay(values, self.hlr.conf_for_client()) |
| config.overlay(values, self.stp.conf_for_client()) |
| config.overlay(values, self.smsc.get_config()) |
| |
| # runtime parameters: |
| if self.encryption is not None: |
| encryption_vty = util.encryption2osmovty(self.encryption) |
| else: |
| encryption_vty = util.encryption2osmovty(values['msc']['net']['encryption']) |
| config.overlay(values, dict(msc=dict(net=dict(encryption=encryption_vty)))) |
| if self.authentication is not None: |
| config.overlay(values, dict(msc=dict(net=dict(authentication=self.authentication)))) |
| |
| |
| self.config = values |
| |
| self.dbg('MSC CONFIG:\n' + pprint.pformat(values)) |
| |
| with open(self.config_file, 'w') as f: |
| r = template.render('osmo-msc.cfg', values) |
| self.dbg(r) |
| f.write(r) |
| |
| def addr(self): |
| return self.ip_address.get('addr') |
| |
| def set_encryption(self, val): |
| self.encryption = val |
| |
| def set_authentication(self, val): |
| if val is None: |
| self.authroziation = None |
| return |
| self.authentication = "required" if val else "optional" |
| |
| def mcc(self): |
| return self.config['msc']['net']['mcc'] |
| |
| def mnc(self): |
| return self.config['msc']['net']['mnc'] |
| |
| def mcc_mnc(self): |
| return (self.mcc(), self.mnc()) |
| |
| def subscriber_attached(self, *modems): |
| return self.imsi_attached(*[m.imsi() for m in modems]) |
| |
| def imsi_attached(self, *imsis): |
| attached = self.imsi_list_attached() |
| log.dbg('attached:', attached) |
| return all([(imsi in attached) for imsi in imsis]) |
| |
| def imsi_list_attached(self): |
| return OsmoMscCtrl(self).subscriber_list_active() |
| |
| def running(self): |
| return not self.process.terminated() |
| |
| |
| class OsmoMscCtrl(log.Origin): |
| PORT = 4255 |
| SUBSCR_LIST_ACTIVE_VAR = 'subscriber-list-active-v1' |
| |
| def __init__(self, msc): |
| self.msc = msc |
| super().__init__(log.C_BUS, 'CTRL(%s:%d)' % (self.msc.addr(), self.PORT)) |
| |
| def ctrl(self): |
| return osmo_ctrl.OsmoCtrl(self.msc.addr(), self.PORT) |
| |
| def subscriber_list_active(self): |
| aslist_str = "" |
| with self.ctrl() as ctrl: |
| ctrl.do_get(self.SUBSCR_LIST_ACTIVE_VAR) |
| # This is legacy code from the old osmo-gsm-tester. |
| # looks like this doesn't work for long data. |
| data = ctrl.receive() |
| while (len(data) > 0): |
| (answer, data) = ctrl.remove_ipa_ctrl_header(data) |
| answer_str = answer.decode('utf-8') |
| answer_str = answer_str.replace('\n', ' ') |
| aslist_str = answer_str |
| return aslist_str |
| |
| # vim: expandtab tabstop=4 shiftwidth=4 |