Initial srsLTE support
2 tests (iperf3, ping) working against a full srs{UE,ENB,EPC} network
using ZeroMQ backend for RF (so no real RF support yet, that will come
next).
Related: OS##4295, OS#4296
Change-Id: I290c0d79258a9f94f00c7ff2e1c6c5579c0e32f4
diff --git a/src/osmo_gsm_tester/srs_enb.py b/src/osmo_gsm_tester/srs_enb.py
new file mode 100644
index 0000000..2b65a5b
--- /dev/null
+++ b/src/osmo_gsm_tester/srs_enb.py
@@ -0,0 +1,197 @@
+# osmo_gsm_tester: specifics for running an SRS eNodeB process
+#
+# Copyright (C) 2020 by sysmocom - s.f.m.c. GmbH
+#
+# Author: Pau Espin Pedrol <pespin@sysmocom.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, util, config, template, process, remote
+
+class srsENB(log.Origin):
+
+ REMOTE_DIR = '/osmo-gsm-tester-srsenb'
+ BINFILE = 'srsenb'
+ CFGFILE = 'srsenb.conf'
+ CFGFILE_SIB = 'srsenb_sib.conf'
+ CFGFILE_RR = 'srsenb_rr.conf'
+ CFGFILE_DRB = 'srsenb_drb.conf'
+ LOGFILE = 'srsenb.log'
+
+ def __init__(self, suite_run, conf):
+ super().__init__(log.C_RUN, 'srsenb')
+ self._addr = conf.get('addr', None)
+ if self._addr is None:
+ raise log.Error('addr not set')
+ self.set_name('srsenb_%s' % self._addr)
+ self.ue = None
+ self.epc = None
+ self.run_dir = None
+ self.config_file = None
+ self.config_sib_file = None
+ self.config_rr_file = None
+ self.config_drb_file = None
+ self.process = None
+ self.rem_host = None
+ self.remote_config_file = None
+ self.remote_config_sib_file = None
+ self.remote_config_rr_file = None
+ self.remote_config_drb_file = None
+ self.remote_log_file = None
+ self.suite_run = suite_run
+ self.nof_prb=100
+ if self.nof_prb == 75:
+ self.base_srate=15.36e6
+ else:
+ self.base_srate=23.04e6
+ self.remote_user = conf.get('remote_user', None)
+
+ def cleanup(self):
+ if self.process is None:
+ return
+ if self.setup_runs_locally():
+ return
+ # copy back files (may not exist, for instance if there was an early error of process):
+ try:
+ self.rem_host.scpfrom('scp-back-log', self.remote_log_file, self.log_file)
+ except Exception as e:
+ self.log(repr(e))
+
+ def setup_runs_locally(self):
+ return self.remote_user is None
+
+ def start(self, epc):
+ self.log('Starting srsENB')
+ self.epc = epc
+ self.run_dir = util.Dir(self.suite_run.get_test_run_dir().new_dir(self.name()))
+ self.configure()
+ if self.remote_user:
+ self.start_remotely()
+ else:
+ self.start_locally()
+
+ def start_remotely(self):
+ self.inst = util.Dir(os.path.abspath(self.suite_run.trial.get_inst('srslte')))
+ 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', srsENB.BINFILE):
+ raise log.Error('No %s binary in' % srsENB.BINFILE, self.inst)
+
+ self.rem_host = remote.RemoteHost(self.run_dir, self.remote_user, self._addr)
+ remote_prefix_dir = util.Dir(srsENB.REMOTE_DIR)
+ self.remote_inst = util.Dir(remote_prefix_dir.child(os.path.basename(str(self.inst))))
+ remote_run_dir = util.Dir(remote_prefix_dir.child(srsENB.BINFILE))
+
+ self.remote_config_file = remote_run_dir.child(srsENB.CFGFILE)
+ self.remote_config_sib_file = remote_run_dir.child(srsENB.CFGFILE_SIB)
+ self.remote_config_rr_file = remote_run_dir.child(srsENB.CFGFILE_RR)
+ self.remote_config_drb_file = remote_run_dir.child(srsENB.CFGFILE_DRB)
+ self.remote_log_file = remote_run_dir.child(srsENB.LOGFILE)
+
+ self.rem_host.recreate_remote_dir(self.remote_inst)
+ self.rem_host.scp('scp-inst-to-remote', str(self.inst), remote_prefix_dir)
+ self.rem_host.create_remote_dir(remote_run_dir)
+ self.rem_host.scp('scp-cfg-to-remote', self.config_file, self.remote_config_file)
+ self.rem_host.scp('scp-cfg-sib-to-remote', self.config_sib_file, self.remote_config_sib_file)
+ self.rem_host.scp('scp-cfg-rr-to-remote', self.config_rr_file, self.remote_config_rr_file)
+ self.rem_host.scp('scp-cfg-drb-to-remote', self.config_drb_file, self.remote_config_drb_file)
+
+ remote_env = { 'LD_LIBRARY_PATH': self.remote_inst.child('lib') }
+ remote_binary = self.remote_inst.child('bin', srsENB.BINFILE)
+ args = (remote_binary, self.remote_config_file,
+ '--enb_files.sib_config=' + self.remote_config_sib_file,
+ '--enb_files.rr_config=' + self.remote_config_rr_file,
+ '--enb_files.drb_config=' + self.remote_config_drb_file,
+ '--rf.device_name=zmq',
+ '--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) + '"',
+ '--expert.nof_phy_threads=1',
+ '--expert.rrc_inactivity_timer=1500',
+ '--enb.n_prb=' + str(self.nof_prb),
+ '--log.filename=' + self.remote_log_file)
+
+ self.process = self.rem_host.RemoteProcessFixIgnoreSIGHUP(srsENB.BINFILE, util.Dir(srsENB.REMOTE_DIR), args, remote_env=remote_env)
+ self.suite_run.remember_to_stop(self.process)
+ self.process.launch()
+
+ def start_locally(self):
+ inst = util.Dir(os.path.abspath(self.suite_run.trial.get_inst('srslte')))
+
+ binary = inst.child('bin', BINFILE)
+ if not os.path.isfile(binary):
+ raise log.Error('Binary missing:', binary)
+ lib = inst.child('lib')
+ if not os.path.isdir(lib):
+ raise log.Error('No lib/ in', inst)
+
+ env = { 'LD_LIBRARY_PATH': util.prepend_library_path(lib) }
+
+ self.dbg(run_dir=self.run_dir, binary=binary, env=env)
+ args = (binary, os.path.abspath(self.config_file),
+ '--enb_files.sib_config=' + os.path.abspath(self.config_sib_file),
+ '--enb_files.rr_config=' + os.path.abspath(self.config_rr_file),
+ '--enb_files.drb_config=' + os.path.abspath(self.config_drb_file),
+ '--rf.device_name=zmq',
+ '--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) + '"',
+ '--expert.nof_phy_threads=1',
+ '--expert.rrc_inactivity_timer=1500',
+ '--enb.n_prb=' + str(self.nof_prb),
+ '--log.filename=' + self.log_file)
+
+ self.process = process.Process(self.name(), self.run_dir, args, env=env)
+ self.suite_run.remember_to_stop(self.process)
+ self.process.launch()
+
+ def gen_conf_file(self, path, filename):
+ self.dbg(config_file=path)
+
+ values = dict(enb=config.get_defaults('srsenb'))
+ config.overlay(values, self.suite_run.config())
+ config.overlay(values, dict(enb={ 'run_addr': self.addr(),
+ 'mme_addr': self.epc.addr()}))
+
+ self.dbg('srsENB ' + filename + ':\n' + pprint.pformat(values))
+
+ with open(path, 'w') as f:
+ r = template.render(filename, values)
+ self.dbg(r)
+ f.write(r)
+
+ def configure(self):
+ self.config_file = self.run_dir.new_file(srsENB.CFGFILE)
+ self.config_sib_file = self.run_dir.new_file(srsENB.CFGFILE_SIB)
+ self.config_rr_file = self.run_dir.new_file(srsENB.CFGFILE_RR)
+ self.config_drb_file = self.run_dir.new_file(srsENB.CFGFILE_DRB)
+ self.log_file = self.run_dir.new_file(srsENB.LOGFILE)
+
+ self.gen_conf_file(self.config_file, srsENB.CFGFILE)
+ self.gen_conf_file(self.config_sib_file, srsENB.CFGFILE_SIB)
+ self.gen_conf_file(self.config_rr_file, srsENB.CFGFILE_RR)
+ self.gen_conf_file(self.config_drb_file, srsENB.CFGFILE_DRB)
+
+ def ue_add(self, ue):
+ if self.ue is not None:
+ raise log.Error("More than one UE per ENB not yet supported (ZeroMQ)")
+ self.ue = ue
+
+ def running(self):
+ return not self.process.terminated()
+
+ def addr(self):
+ return self._addr
+
+# vim: expandtab tabstop=4 shiftwidth=4