| # osmo_gsm_tester: specifics for running an osmo-bts-trx |
| # |
| # 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 |
| import tempfile |
| from . import log, config, util, template, process, event_loop |
| |
| class OsmoBtsTrx(log.Origin): |
| suite_run = None |
| bsc = None |
| run_dir = None |
| inst = None |
| env = None |
| trx = None |
| pcu_sk_tmp_dir = None |
| |
| BIN_BTS_TRX = 'osmo-bts-trx' |
| BIN_PCU = 'osmo-pcu' |
| |
| CONF_BTS_TRX = 'osmo-bts-trx.cfg' |
| |
| def __init__(self, suite_run, conf): |
| super().__init__(log.C_RUN, OsmoBtsTrx.BIN_BTS_TRX) |
| self.suite_run = suite_run |
| self.conf = conf |
| self.env = {} |
| self.pcu_sk_tmp_dir = tempfile.mkdtemp('', 'ogtpcusk') |
| if len(self.pcu_socket_path().encode()) > 107: |
| raise log.Error('Path for pcu socket is longer than max allowed len for unix socket path (107):', self.pcu_socket_path()) |
| |
| def cleanup(self): |
| if self.pcu_sk_tmp_dir: |
| try: |
| os.remove(self.pcu_socket_path()) |
| except OSError: |
| pass |
| os.rmdir(self.pcu_sk_tmp_dir) |
| |
| def pcu_socket_path(self): |
| return os.path.join(self.pcu_sk_tmp_dir, 'pcu_bts') |
| |
| def remote_addr(self): |
| return self.conf.get('addr') |
| |
| def trx_remote_ip(self): |
| conf_ip = self.conf.get('trx_remote_ip', None) |
| if conf_ip is not None: |
| return conf_ip |
| # if 'trx_remote_ip' is not configured, use same IP as BTS |
| return self.remote_addr() |
| |
| def launch_trx_enabled(self): |
| return util.str2bool(self.conf.get('launch_trx')) |
| |
| def start(self): |
| if self.bsc is None: |
| raise RuntimeError('BTS needs to be added to a BSC or NITB before it can be started') |
| self.suite_run.poll() |
| |
| self.log('Starting to connect to', self.bsc) |
| self.run_dir = util.Dir(self.suite_run.get_test_run_dir().new_dir(self.name())) |
| self.configure() |
| |
| if self.launch_trx_enabled(): |
| self.trx = OsmoTrx(self.suite_run, self.trx_remote_ip(), self.remote_addr()) |
| self.trx.start() |
| self.log('Waiting for osmo-trx to start up...') |
| event_loop.wait(self, self.trx.trx_ready) |
| |
| self.inst = util.Dir(os.path.abspath(self.suite_run.trial.get_inst(OsmoBtsTrx.BIN_BTS_TRX))) |
| lib = self.inst.child('lib') |
| if not os.path.isdir(lib): |
| raise RuntimeError('No lib/ in %r' % self.inst) |
| self.env = { 'LD_LIBRARY_PATH': util.prepend_library_path(lib) } |
| |
| self.launch_process(OsmoBtsTrx.BIN_BTS_TRX, '-r', '1', |
| '-c', os.path.abspath(self.config_file), |
| '-i', self.bsc.addr()) |
| #self.launch_process(OsmoBtsTrx.BIN_PCU, '-r', '1') |
| self.suite_run.poll() |
| |
| def launch_process(self, binary_name, *args): |
| binary = os.path.abspath(self.inst.child('bin', binary_name)) |
| run_dir = self.run_dir.new_dir(binary_name) |
| if not os.path.isfile(binary): |
| raise RuntimeError('Binary missing: %r' % binary) |
| proc = process.Process(binary_name, run_dir, |
| (binary,) + args, |
| env=self.env) |
| self.suite_run.remember_to_stop(proc) |
| proc.launch() |
| return proc |
| |
| def configure(self): |
| if self.bsc is None: |
| raise RuntimeError('BTS needs to be added to a BSC or NITB before it can be configured') |
| self.config_file = self.run_dir.new_file(OsmoBtsTrx.CONF_BTS_TRX) |
| self.dbg(config_file=self.config_file) |
| |
| values = dict(osmo_bts_trx=config.get_defaults('osmo_bts_trx')) |
| config.overlay(values, self.suite_run.config()) |
| config.overlay(values, { |
| 'osmo_bts_trx': { |
| 'oml_remote_ip': self.bsc.addr(), |
| 'trx_local_ip': self.remote_addr(), |
| 'trx_remote_ip': self.trx_remote_ip(), |
| 'pcu_socket_path': self.pcu_socket_path(), |
| } |
| }) |
| config.overlay(values, { 'osmo_bts_trx': self.conf }) |
| |
| self.dbg('OSMO-BTS-TRX CONFIG:\n' + pprint.pformat(values)) |
| |
| with open(self.config_file, 'w') as f: |
| r = template.render(OsmoBtsTrx.CONF_BTS_TRX, values) |
| self.dbg(r) |
| f.write(r) |
| |
| def conf_for_bsc(self): |
| values = config.get_defaults('bsc_bts') |
| config.overlay(values, config.get_defaults('osmo_bts_trx')) |
| config.overlay(values, self.conf) |
| self.dbg(conf=values) |
| return values |
| |
| def set_bsc(self, bsc): |
| self.bsc = bsc |
| |
| class OsmoTrx(log.Origin): |
| suite_run = None |
| run_dir = None |
| inst = None |
| env = None |
| proc_trx = None |
| |
| BIN_TRX = 'osmo-trx' |
| |
| def __init__(self, suite_run, listen_ip, bts_ip): |
| super().__init__(log.C_RUN, OsmoTrx.BIN_TRX) |
| self.suite_run = suite_run |
| self.env = {} |
| self.listen_ip = listen_ip |
| self.bts_ip = bts_ip |
| |
| def start(self): |
| self.run_dir = util.Dir(self.suite_run.get_test_run_dir().new_dir(self.name())) |
| self.inst = util.Dir(os.path.abspath(self.suite_run.trial.get_inst(OsmoTrx.BIN_TRX))) |
| lib = self.inst.child('lib') |
| self.env = { 'LD_LIBRARY_PATH': util.prepend_library_path(lib) } |
| self.proc_trx = self.launch_process(OsmoTrx.BIN_TRX, '-x', '-j', self.listen_ip, '-i', self.bts_ip) |
| |
| def launch_process(self, binary_name, *args): |
| binary = os.path.abspath(self.inst.child('bin', binary_name)) |
| run_dir = self.run_dir.new_dir(binary_name) |
| if not os.path.isfile(binary): |
| raise RuntimeError('Binary missing: %r' % binary) |
| proc = process.Process(binary_name, run_dir, |
| (binary,) + args, |
| env=self.env) |
| self.suite_run.remember_to_stop(proc) |
| proc.launch() |
| return proc |
| |
| def trx_ready(self): |
| if not self.proc_trx or not self.proc_trx.is_running: |
| return False |
| return '-- Transceiver active with' in (self.proc_trx.get_stdout() or '') |
| # vim: expandtab tabstop=4 shiftwidth=4 |