[PATCH] osmo-gsm-tester[master]: add test api to run OsmoMSC and OsmoBSC

This is merely a historical archive of years 2008-2021, before the migration to mailman3.

A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/gerrit-log@lists.osmocom.org/.

Neels Hofmeyr gerrit-no-reply at lists.osmocom.org
Thu May 18 16:40:02 UTC 2017


Review at  https://gerrit.osmocom.org/2680

add test api to run OsmoMSC and OsmoBSC

Change-Id: I6397dafc8b7aa75cc09c6f74cf0616cc3840b996
---
A src/osmo_gsm_tester/osmo_msc.py
1 file changed, 173 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-tester refs/changes/80/2680/1

diff --git a/src/osmo_gsm_tester/osmo_msc.py b/src/osmo_gsm_tester/osmo_msc.py
new file mode 100644
index 0000000..5fefcf4
--- /dev/null
+++ b/src/osmo_gsm_tester/osmo_msc.py
@@ -0,0 +1,173 @@
+# osmo_gsm_tester: specifics for running an osmo-msc
+#
+# Copyright (C) 2016-2017 by sysmocom - s.f.m.c. GmbH
+#
+# Author: Neels Hofmeyr <neels at hofmeyr.de>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+import random
+import re
+import socket
+
+from . import log, util, config, template, process, osmo_ctrl, pcap_recorder
+
+# NOTE: While OsmoMSC and OsmoBSC live in the same git repository, this will
+# also provide the OsmoBSC binary. As soon as the repositories are separate,
+# there shall be a separate osmo_bsc.py.
+
+class OsmoMsc(log.Origin):
+    suite_run = None
+    msc_iface = None
+    run_dir = None
+    config_file = None
+    process = None
+    bts = None
+
+    def __init__(self, suite_run, nitb_iface):
+        self.suite_run = suite_run
+        self.nitb_iface = nitb_iface
+        self.set_log_category(log.C_RUN)
+        self.set_name('osmo-nitb_%s' % nitb_iface.get('addr'))
+        self.bts = []
+
+    def start(self):
+        self.log('Starting osmo-nitb')
+        self.run_dir = util.Dir(self.suite_run.trial.get_run_dir().new_dir(self.name()))
+        self.configure()
+        inst = util.Dir(os.path.abspath(self.suite_run.trial.get_inst('osmo-nitb')))
+        binary = inst.child('bin', 'osmo-nitb')
+        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)
+
+        iface = util.ip_to_iface(self.addr())
+        pcap_recorder.PcapRecorder(self.suite_run, self.run_dir.new_dir('pcap'), iface,
+                                   '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-nitb.cfg')
+        self.dbg(config_file=self.config_file)
+
+        values = dict(nitb=config.get_defaults('nitb'))
+        config.overlay(values, self.suite_run.config())
+        config.overlay(values, dict(nitb_iface=self.nitb_iface))
+
+        bts_list = []
+        for bts in self.bts:
+            bts_list.append(bts.conf_for_nitb())
+        config.overlay(values, dict(nitb=dict(net=dict(bts_list=bts_list))))
+
+        self.dbg(conf=values)
+
+        with open(self.config_file, 'w') as f:
+            r = template.render('osmo-nitb.cfg', values)
+            self.dbg(r)
+            f.write(r)
+
+    def addr(self):
+        return self.nitb_iface.get('addr')
+
+    def bts_add(self, bts):
+        self.bts.append(bts)
+        bts.set_nitb(self)
+
+    def subscriber_add(self, modem, msisdn=None):
+        if msisdn is None:
+            msisdn = self.suite_run.resources_pool.next_msisdn(modem)
+        modem.set_msisdn(msisdn)
+        self.log('Add subscriber', msisdn=msisdn, imsi=modem.imsi())
+        with self:
+            OsmoNitbCtrl(self).subscriber_add(modem.imsi(), msisdn, modem.ki())
+
+    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()
+        self.dbg('attached:', attached)
+        return all([(imsi in attached) for imsi in imsis])
+
+    def imsi_list_attached(self):
+        with self:
+            return OsmoNitbCtrl(self).subscriber_list_active()
+
+    def running(self):
+        return not self.process.terminated()
+
+
+class OsmoNitbCtrl(log.Origin):
+    PORT = 4249
+    SUBSCR_MODIFY_VAR = 'subscriber-modify-v1'
+    SUBSCR_MODIFY_REPLY_RE = re.compile("SET_REPLY (\d+) %s OK" % SUBSCR_MODIFY_VAR)
+    SUBSCR_LIST_ACTIVE_VAR = 'subscriber-list-active-v1'
+
+    def __init__(self, nitb):
+        self.nitb = nitb
+        self.set_name('CTRL(%s:%d)' % (self.nitb.addr(), OsmoNitbCtrl.PORT))
+        self.set_child_of(nitb)
+
+    def ctrl(self):
+        return osmo_ctrl.OsmoCtrl(self.nitb.addr(), OsmoNitbCtrl.PORT)
+
+    def subscriber_add(self, imsi, msisdn, ki=None, algo=None):
+        created = False
+        if ki and not algo:
+            algo = 'comp128v1'
+
+        if algo:
+            value = '%s,%s,%s,%s' % (imsi,msisdn,algo,ki)
+        else:
+            value = '%s,%s' % (imsi, msisdn)
+
+        with self.ctrl() as ctrl:
+            ctrl.do_set(OsmoNitbCtrl.SUBSCR_MODIFY_VAR, value)
+            data = ctrl.receive()
+            (answer, data) = ctrl.remove_ipa_ctrl_header(data)
+            answer_str = answer.decode('utf-8')
+            res = OsmoNitbCtrl.SUBSCR_MODIFY_REPLY_RE.match(answer_str)
+            if not res:
+                raise RuntimeError('Cannot create subscriber %r (answer=%r)' % (imsi, answer_str))
+            self.dbg('Created subscriber', imsi=imsi, msisdn=msisdn)
+            return True
+
+    def subscriber_list_active(self):
+        var = 'subscriber-list-active-v1'
+        aslist_str = ""
+        with self.ctrl() as ctrl:
+            ctrl.do_get(OsmoNitbCtrl.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

-- 
To view, visit https://gerrit.osmocom.org/2680
To unsubscribe, visit https://gerrit.osmocom.org/settings

Gerrit-MessageType: newchange
Gerrit-Change-Id: I6397dafc8b7aa75cc09c6f74cf0616cc3840b996
Gerrit-PatchSet: 1
Gerrit-Project: osmo-gsm-tester
Gerrit-Branch: master
Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de>



More information about the gerrit-log mailing list