129 lines
4.5 KiB
Python
129 lines
4.5 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 . import log, util, config, template, process, osmo_ctrl, pcap_recorder
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class OsmoMsc(log.Origin):
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suite_run = None
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ip_address = None
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run_dir = None
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config_file = None
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process = None
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hlr = None
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def __init__(self, suite_run, hlr, mgcpgw, ip_address):
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self.suite_run = suite_run
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self.ip_address = ip_address
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self.set_log_category(log.C_RUN)
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self.set_name('osmo-msc_%s' % ip_address.get('addr'))
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self.hlr = hlr
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self.mgcpgw = mgcpgw
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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.suite_run.trial.get_run_dir().new_dir(self.name()))
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self.configure()
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inst = util.Dir(os.path.abspath(self.suite_run.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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iface = util.ip_to_iface(self.addr())
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pcap_recorder.PcapRecorder(self.suite_run, self.run_dir.new_dir('pcap'), iface,
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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.suite_run.remember_to_stop(self.process)
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self.process.launch()
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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.suite_run.config())
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config.overlay(values, dict(msc=dict(ip_address=self.ip_address)))
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config.overlay(values, self.mgcpgw.conf_for_msc())
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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 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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self.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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with self:
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return OsmoMscCtrl(self).subscriber_list_active()
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def running(self):
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return not self.process.terminated()
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class OsmoMscCtrl(log.Origin):
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PORT = 4255
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SUBSCR_LIST_ACTIVE_VAR = 'subscriber-list-active-v1'
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def __init__(self, msc):
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self.msc = msc
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self.set_name('CTRL(%s:%d)' % (self.msc.addr(), self.PORT))
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self.set_child_of(msc)
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def ctrl(self):
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return osmo_ctrl.OsmoCtrl(self.msc.addr(), self.PORT)
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def subscriber_list_active(self):
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aslist_str = ""
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with self.ctrl() as ctrl:
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ctrl.do_get(self.SUBSCR_LIST_ACTIVE_VAR)
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# This is legacy code from the old osmo-gsm-tester.
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# looks like this doesn't work for long data.
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data = ctrl.receive()
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while (len(data) > 0):
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(answer, data) = ctrl.remove_ipa_ctrl_header(data)
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answer_str = answer.decode('utf-8')
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answer_str = answer_str.replace('\n', ' ')
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aslist_str = answer_str
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return aslist_str
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# vim: expandtab tabstop=4 shiftwidth=4
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