osmo-gsm-tester/src/osmo_gsm_tester/bts_osmotrx.py

120 lines
4.3 KiB
Python

# 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
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
proc_trx = None
BIN_TRX = 'osmo-trx'
BIN_BTS_TRX = 'osmo-bts-trx'
BIN_PCU = 'osmo-pcu'
CONF_BTS_TRX = 'osmo-bts-trx.cfg'
def __init__(self, suite_run, conf):
self.suite_run = suite_run
self.conf = conf
self.set_name(OsmoBtsTrx.BIN_BTS_TRX)
self.set_log_category(log.C_RUN)
self.env = {}
def remote_addr(self):
# FIXME
return '127.0.0.1'
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.trial.get_run_dir().new_dir(self.name()))
self.configure()
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.proc_trx = self.launch_process(OsmoBtsTrx.BIN_TRX, '-x')
self.log('Waiting for osmo-trx to start up...')
event_loop.wait(self, self.trx_ready)
self.proc_trx.log(self.proc_trx.get_stdout_tail(1))
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 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 '')
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, dict(osmo_bts_trx=dict(oml_remote_ip=self.bsc.addr())))
config.overlay(values, dict(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
# vim: expandtab tabstop=4 shiftwidth=4