198 lines
8.3 KiB
Python
198 lines
8.3 KiB
Python
# osmo_gsm_tester: specifics for running an SRS eNodeB process
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#
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# Copyright (C) 2020 by sysmocom - s.f.m.c. GmbH
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#
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# Author: Pau Espin Pedrol <pespin@sysmocom.de>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import pprint
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from . import log, util, config, template, process, remote
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class srsENB(log.Origin):
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REMOTE_DIR = '/osmo-gsm-tester-srsenb'
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BINFILE = 'srsenb'
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CFGFILE = 'srsenb.conf'
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CFGFILE_SIB = 'srsenb_sib.conf'
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CFGFILE_RR = 'srsenb_rr.conf'
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CFGFILE_DRB = 'srsenb_drb.conf'
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LOGFILE = 'srsenb.log'
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def __init__(self, suite_run, conf):
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super().__init__(log.C_RUN, 'srsenb')
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self._addr = conf.get('addr', None)
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if self._addr is None:
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raise log.Error('addr not set')
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self.set_name('srsenb_%s' % self._addr)
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self.ue = None
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self.epc = None
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self.run_dir = None
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self.config_file = None
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self.config_sib_file = None
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self.config_rr_file = None
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self.config_drb_file = None
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self.process = None
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self.rem_host = None
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self.remote_config_file = None
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self.remote_config_sib_file = None
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self.remote_config_rr_file = None
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self.remote_config_drb_file = None
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self.remote_log_file = None
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self.suite_run = suite_run
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self.nof_prb=100
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if self.nof_prb == 75:
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self.base_srate=15.36e6
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else:
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self.base_srate=23.04e6
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self.remote_user = conf.get('remote_user', None)
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def cleanup(self):
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if self.process is None:
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return
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if self.setup_runs_locally():
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return
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# copy back files (may not exist, for instance if there was an early error of process):
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try:
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self.rem_host.scpfrom('scp-back-log', self.remote_log_file, self.log_file)
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except Exception as e:
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self.log(repr(e))
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def setup_runs_locally(self):
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return self.remote_user is None
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def start(self, epc):
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self.log('Starting srsENB')
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self.epc = epc
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self.run_dir = util.Dir(self.suite_run.get_test_run_dir().new_dir(self.name()))
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self.configure()
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if self.remote_user:
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self.start_remotely()
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else:
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self.start_locally()
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def start_remotely(self):
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self.inst = util.Dir(os.path.abspath(self.suite_run.trial.get_inst('srslte')))
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lib = self.inst.child('lib')
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if not os.path.isdir(lib):
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raise log.Error('No lib/ in', self.inst)
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if not self.inst.isfile('bin', srsENB.BINFILE):
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raise log.Error('No %s binary in' % srsENB.BINFILE, self.inst)
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self.rem_host = remote.RemoteHost(self.run_dir, self.remote_user, self._addr)
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remote_prefix_dir = util.Dir(srsENB.REMOTE_DIR)
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self.remote_inst = util.Dir(remote_prefix_dir.child(os.path.basename(str(self.inst))))
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remote_run_dir = util.Dir(remote_prefix_dir.child(srsENB.BINFILE))
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self.remote_config_file = remote_run_dir.child(srsENB.CFGFILE)
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self.remote_config_sib_file = remote_run_dir.child(srsENB.CFGFILE_SIB)
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self.remote_config_rr_file = remote_run_dir.child(srsENB.CFGFILE_RR)
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self.remote_config_drb_file = remote_run_dir.child(srsENB.CFGFILE_DRB)
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self.remote_log_file = remote_run_dir.child(srsENB.LOGFILE)
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self.rem_host.recreate_remote_dir(self.remote_inst)
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self.rem_host.scp('scp-inst-to-remote', str(self.inst), remote_prefix_dir)
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self.rem_host.create_remote_dir(remote_run_dir)
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self.rem_host.scp('scp-cfg-to-remote', self.config_file, self.remote_config_file)
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self.rem_host.scp('scp-cfg-sib-to-remote', self.config_sib_file, self.remote_config_sib_file)
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self.rem_host.scp('scp-cfg-rr-to-remote', self.config_rr_file, self.remote_config_rr_file)
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self.rem_host.scp('scp-cfg-drb-to-remote', self.config_drb_file, self.remote_config_drb_file)
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remote_env = { 'LD_LIBRARY_PATH': self.remote_inst.child('lib') }
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remote_binary = self.remote_inst.child('bin', srsENB.BINFILE)
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args = (remote_binary, self.remote_config_file,
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'--enb_files.sib_config=' + self.remote_config_sib_file,
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'--enb_files.rr_config=' + self.remote_config_rr_file,
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'--enb_files.drb_config=' + self.remote_config_drb_file,
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'--rf.device_name=zmq',
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'--rf.device_args="fail_on_disconnect=true,tx_port=tcp://'+ self.addr() +':2000,rx_port=tcp://'+ self.ue.addr() +':2001,id=enb,base_srate='+ str(self.base_srate) + '"',
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'--expert.nof_phy_threads=1',
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'--expert.rrc_inactivity_timer=1500',
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'--enb.n_prb=' + str(self.nof_prb),
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'--log.filename=' + self.remote_log_file)
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self.process = self.rem_host.RemoteProcessFixIgnoreSIGHUP(srsENB.BINFILE, util.Dir(srsENB.REMOTE_DIR), args, remote_env=remote_env)
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self.suite_run.remember_to_stop(self.process)
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self.process.launch()
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def start_locally(self):
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inst = util.Dir(os.path.abspath(self.suite_run.trial.get_inst('srslte')))
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binary = inst.child('bin', BINFILE)
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if not os.path.isfile(binary):
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raise log.Error('Binary missing:', binary)
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lib = inst.child('lib')
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if not os.path.isdir(lib):
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raise log.Error('No lib/ in', inst)
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env = { 'LD_LIBRARY_PATH': util.prepend_library_path(lib) }
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self.dbg(run_dir=self.run_dir, binary=binary, env=env)
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args = (binary, os.path.abspath(self.config_file),
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'--enb_files.sib_config=' + os.path.abspath(self.config_sib_file),
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'--enb_files.rr_config=' + os.path.abspath(self.config_rr_file),
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'--enb_files.drb_config=' + os.path.abspath(self.config_drb_file),
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'--rf.device_name=zmq',
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'--rf.device_args="fail_on_disconnect=true,tx_port=tcp://'+ self.addr() +':2000,rx_port=tcp://'+ self.ue.addr() +':2001,id=enb,base_srate='+ str(self.base_srate) + '"',
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'--expert.nof_phy_threads=1',
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'--expert.rrc_inactivity_timer=1500',
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'--enb.n_prb=' + str(self.nof_prb),
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'--log.filename=' + self.log_file)
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self.process = process.Process(self.name(), self.run_dir, args, env=env)
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self.suite_run.remember_to_stop(self.process)
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self.process.launch()
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def gen_conf_file(self, path, filename):
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self.dbg(config_file=path)
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values = dict(enb=config.get_defaults('srsenb'))
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config.overlay(values, self.suite_run.config())
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config.overlay(values, dict(enb={ 'run_addr': self.addr(),
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'mme_addr': self.epc.addr()}))
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self.dbg('srsENB ' + filename + ':\n' + pprint.pformat(values))
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with open(path, 'w') as f:
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r = template.render(filename, values)
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self.dbg(r)
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f.write(r)
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def configure(self):
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self.config_file = self.run_dir.new_file(srsENB.CFGFILE)
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self.config_sib_file = self.run_dir.new_file(srsENB.CFGFILE_SIB)
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self.config_rr_file = self.run_dir.new_file(srsENB.CFGFILE_RR)
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self.config_drb_file = self.run_dir.new_file(srsENB.CFGFILE_DRB)
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self.log_file = self.run_dir.new_file(srsENB.LOGFILE)
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self.gen_conf_file(self.config_file, srsENB.CFGFILE)
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self.gen_conf_file(self.config_sib_file, srsENB.CFGFILE_SIB)
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self.gen_conf_file(self.config_rr_file, srsENB.CFGFILE_RR)
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self.gen_conf_file(self.config_drb_file, srsENB.CFGFILE_DRB)
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def ue_add(self, ue):
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if self.ue is not None:
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raise log.Error("More than one UE per ENB not yet supported (ZeroMQ)")
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self.ue = ue
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def running(self):
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return not self.process.terminated()
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def addr(self):
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return self._addr
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# vim: expandtab tabstop=4 shiftwidth=4
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