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# osmo_gsm_tester: specifics for running an osmo-hlr
#
# 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 re
import pprint
import sqlite3
from . import log, util, config, template, process, osmo_ctrl, pcap_recorder
class OsmoHlr(log.Origin):
suite_run = None
ip_address = None
run_dir = None
config_file = None
process = None
next_subscriber_id = 1
def __init__(self, suite_run, ip_address):
super().__init__(log.C_RUN, 'osmo-hlr_%s' % ip_address.get('addr'))
self.suite_run = suite_run
self.ip_address = ip_address
self.bts = []
def start(self):
self.log('Starting osmo-hlr')
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-hlr')))
binary = inst.child('bin', 'osmo-hlr')
if not os.path.isfile(binary):
raise log.Error('Binary missing:', binary)
lib = inst.child('lib')
if not os.path.isdir(lib):
raise log.Error('No lib/ in', inst)
# bootstrap an empty hlr.db
self.db_file = self.run_dir.new_file('hlr.db')
sql_input = inst.child('share/doc/osmo-hlr/hlr.sql')
if not os.path.isfile(sql_input):
raise log.Error('hlr.sql missing:', sql_input)
self.run_local('create_hlr_db', ('/bin/sh', '-c', 'sqlite3 %r < %r' % (self.db_file, sql_input)))
pcap_recorder.PcapRecorder(self.suite_run, self.run_dir.new_dir('pcap'), None,
'host %s' % 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),
'--database', self.db_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-hlr.cfg')
self.dbg(config_file=self.config_file)
values = dict(hlr=config.get_defaults('hlr'))
config.overlay(values, self.suite_run.config())
config.overlay(values, dict(hlr=dict(ip_address=self.ip_address)))
self.dbg('HLR CONFIG:\n' + pprint.pformat(values))
with open(self.config_file, 'w') as f:
r = template.render('osmo-hlr.cfg', values)
self.dbg(r)
f.write(r)
def addr(self):
return self.ip_address.get('addr')
def running(self):
return not self.process.terminated()
def run_local(self, name, popen_args):
run_dir = self.run_dir.new_dir(name)
proc = process.Process(name, run_dir, popen_args)
proc.launch()
proc.wait()
if proc.result != 0:
log.ctx(proc)
raise log.Error('Exited in error')
def subscriber_add(self, modem, msisdn=None, algo_str=None):
if msisdn is None:
msisdn = self.suite_run.resources_pool.next_msisdn(modem)
modem.set_msisdn(msisdn)
subscriber_id = self.next_subscriber_id
self.next_subscriber_id += 1
if algo_str is None:
algo_str = modem.auth_algo() or util.OSMO_AUTH_ALGO_NONE
if algo_str != util.OSMO_AUTH_ALGO_NONE and not modem.ki():
raise log.Error("Auth algo %r selected but no KI specified" % algo_str)
algo = util.osmo_auth_algo_by_name(algo_str)
self.log('Add subscriber', msisdn=msisdn, imsi=modem.imsi(), subscriber_id=subscriber_id,
algo_str=algo_str, algo=algo)
conn = sqlite3.connect(self.db_file)
try:
c = conn.cursor()
c.execute('insert into subscriber (id, imsi, msisdn) values (?, ?, ?)',
(subscriber_id, modem.imsi(), modem.msisdn,))
c.execute('insert into auc_2g (subscriber_id, algo_id_2g, ki) values (?, ?, ?)',
(subscriber_id, algo, modem.ki(),))
conn.commit()
finally:
conn.close()
return subscriber_id
def subscriber_delete(self, modem):
self.log('Add subscriber', imsi=modem.imsi())
conn = sqlite3.connect(self.db_file)
try:
c = conn.cursor()
c.execute('select id from subscriber where imsi = ?', (modem.imsi(),))
subscriber_id = c.fetchone()[0]
c.execute('delete from subscriber where id = ?', (subscriber_id,))
c.execute('delete from auc_2g where subscriber_id = ?', (subscriber_id,))
conn.commit()
finally:
conn.close()
def conf_for_client(self):
return dict(hlr=dict(ip_address=self.ip_address))
# vim: expandtab tabstop=4 shiftwidth=4
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