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# osmo_gsm_tester: specifics for running a sysmoBTS
#
# 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, pcu_sysmo
class SysmoBts(log.Origin):
suite_run = None
bsc = None
sgsn = None
run_dir = None
inst = None
remote_inst = None
remote_env = None
remote_dir = None
lac = None
rac = None
cellid = None
bvci = None
proc_bts = None
_pcu = None
REMOTE_DIR = '/osmo-gsm-tester-bts'
BTS_SYSMO_BIN = 'osmo-bts-sysmo'
BTS_SYSMO_CFG = 'osmo-bts-sysmo.cfg'
def __init__(self, suite_run, conf):
super().__init__(log.C_RUN, self.BTS_SYSMO_BIN)
self.suite_run = suite_run
self.conf = conf
self.remote_env = {}
self.remote_user = 'root'
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')
log.log('Starting sysmoBTS to connect to', self.bsc)
self.run_dir = util.Dir(self.suite_run.get_test_run_dir().new_dir(self.name()))
self.configure()
self.inst = util.Dir(os.path.abspath(self.suite_run.trial.get_inst(SysmoBts.BTS_SYSMO_BIN)))
lib = self.inst.child('lib')
if not os.path.isdir(lib):
raise log.Error('No lib/ in', self.inst)
if not self.inst.isfile('bin', SysmoBts.BTS_SYSMO_BIN):
raise log.Error('No osmo-bts-sysmo binary in', self.inst)
self.remote_dir = util.Dir(SysmoBts.REMOTE_DIR)
self.remote_inst = util.Dir(self.remote_dir.child(os.path.basename(str(self.inst))))
self.run_remote('rm-remote-dir', ('test', '!', '-d', SysmoBts.REMOTE_DIR, '||', 'rm', '-rf', SysmoBts.REMOTE_DIR))
self.run_remote('mk-remote-dir', ('mkdir', '-p', SysmoBts.REMOTE_DIR))
self.run_local('scp-inst-to-sysmobts',
('scp', '-r', str(self.inst), '%s@%s:%s' % (self.remote_user, self.remote_addr(), str(self.remote_inst))))
remote_run_dir = self.remote_dir.child(SysmoBts.BTS_SYSMO_BIN)
self.run_remote('mk-remote-run-dir', ('mkdir', '-p', remote_run_dir))
remote_config_file = self.remote_dir.child(SysmoBts.BTS_SYSMO_CFG)
self.run_local('scp-cfg-to-sysmobts',
('scp', '-r', self.config_file, '%s@%s:%s' % (self.remote_user, self.remote_addr(), remote_config_file)))
self.run_remote('reload-dsp-firmware', ('/bin/sh', '-c', '"cat /lib/firmware/sysmobts-v?.bit > /dev/fpgadl_par0 ; cat /lib/firmware/sysmobts-v?.out > /dev/dspdl_dm644x_0"'))
remote_lib = self.remote_inst.child('lib')
remote_binary = self.remote_inst.child('bin', 'osmo-bts-sysmo')
args = ('LD_LIBRARY_PATH=%s' % remote_lib,
remote_binary, '-c', remote_config_file, '-r', '1',
'-i', self.bsc.addr())
if self._direct_pcu_enabled():
args += ('-M',)
self.proc_bts = self.launch_remote('osmo-bts-sysmo', args, remote_cwd=remote_run_dir)
def cleanup(self):
pass
def _direct_pcu_enabled(self):
return util.str2bool(self.conf.get('direct_pcu'))
def pcu_socket_path(self):
return os.path.join(SysmoBts.REMOTE_DIR, 'pcu_bts')
def _process_remote(self, name, popen_args, remote_cwd=None):
run_dir = self.run_dir.new_dir(name)
return process.RemoteProcess(name, run_dir, self.remote_user, self.remote_addr(), remote_cwd,
popen_args)
def run_remote(self, name, popen_args, remote_cwd=None):
proc = self._process_remote(name, popen_args, remote_cwd)
proc.launch()
proc.wait()
if proc.result != 0:
log.ctx(proc)
raise log.Error('Exited in error')
def launch_remote(self, name, popen_args, remote_cwd=None):
proc = self._process_remote(name, popen_args, remote_cwd)
self.suite_run.remember_to_stop(proc)
proc.launch()
return proc
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 pcu(self):
if self._pcu is None:
self._pcu = pcu_sysmo.OsmoPcuSysmo(self.suite_run, self, self.conf)
return self._pcu
def remote_addr(self):
return self.conf.get('addr')
def pcu_socket_path(self):
return os.path.join(SysmoBts.REMOTE_DIR, 'pcu_bts')
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(SysmoBts.BTS_SYSMO_CFG)
self.dbg(config_file=self.config_file)
values = { 'osmo_bts_sysmo': config.get_defaults('osmo_bts_sysmo') }
config.overlay(values, self.suite_run.config())
config.overlay(values, {
'osmo_bts_sysmo': {
'oml_remote_ip': self.bsc.addr(),
'pcu_socket_path': self.pcu_socket_path(),
}
})
config.overlay(values, { 'osmo_bts_sysmo': self.conf })
self.dbg('SYSMOBTS CONFIG:\n' + pprint.pformat(values))
with open(self.config_file, 'w') as f:
r = template.render(SysmoBts.BTS_SYSMO_CFG, 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_sysmo'))
if self.lac is not None:
config.overlay(values, { 'location_area_code': self.lac })
if self.rac is not None:
config.overlay(values, { 'routing_area_code': self.rac })
if self.cellid is not None:
config.overlay(values, { 'cell_identity': self.cellid })
if self.bvci is not None:
config.overlay(values, { 'bvci': self.bvci })
config.overlay(values, self.conf)
sgsn_conf = {} if self.sgsn is None else self.sgsn.conf_for_client()
config.overlay(values, sgsn_conf)
self.dbg(conf=values)
return values
def ready_for_pcu(self):
if not self.proc_bts or not self.proc_bts.is_running:
return False
return 'BTS is up' in (self.proc_bts.get_stderr() or '')
def set_bsc(self, bsc):
self.bsc = bsc
def set_sgsn(self, sgsn):
self.sgsn = sgsn
def set_lac(self, lac):
self.lac = lac
def set_rac(self, rac):
self.rac = rac
def set_cellid(self, cellid):
self.cellid = cellid
def set_bvci(self, bvci):
self.bvci = bvci
# vim: expandtab tabstop=4 shiftwidth=4
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