| # 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 ..core import log, util, config, template, process, remote |
| from . import enb |
| from . import rfemu |
| |
| def rf_type_valid(rf_type_str): |
| return rf_type_str in ('uhd', 'zmq') |
| |
| #reference: srsLTE.git srslte_symbol_sz() |
| def num_prb2symbol_sz(num_prb): |
| if num_prb <= 6: |
| return 128 |
| if num_prb <= 15: |
| return 256 |
| if num_prb <= 25: |
| return 384 |
| if num_prb <= 50: |
| return 768 |
| if num_prb <= 75: |
| return 1024 |
| if num_prb <= 110: |
| return 1536 |
| raise log.Error('invalid num_prb %r', num_prb) |
| |
| def num_prb2base_srate(num_prb): |
| return num_prb2symbol_sz(num_prb) * 15 * 1000 |
| |
| class AmarisoftENB(enb.eNodeB): |
| |
| REMOTE_DIR = '/osmo-gsm-tester-amarisoftenb' |
| BINFILE = 'lteenb' |
| CFGFILE = 'amarisoft_enb.cfg' |
| CFGFILE_SIB1 = 'amarisoft_sib1.asn' |
| CFGFILE_SIB23 = 'amarisoft_sib23.asn' |
| CFGFILE_RF = 'amarisoft_rf_driver.cfg' |
| CFGFILE_DRB = 'amarisoft_drb.cfg' |
| LOGFILE = 'lteenb.log' |
| |
| def __init__(self, suite_run, conf): |
| super().__init__(suite_run, conf, 'amarisoftenb') |
| self.ue = None |
| self.run_dir = None |
| self.inst = None |
| self._bin_prefix = None |
| self.gen_conf = None |
| self.config_file = None |
| self.config_sib1_file = None |
| self.config_sib23_file = None |
| self.config_rf_file = None |
| self.config_drb_file = None |
| self.log_file = None |
| self.process = None |
| self.rem_host = None |
| self.remote_inst = None |
| self.remote_config_file = None |
| self.remote_config_sib1_file = None |
| self.remote_config_sib23_file = None |
| self.remote_config_rf_file = None |
| self.remote_config_drb_file = None |
| self.remote_log_file = None |
| self.enable_measurements = False |
| self.suite_run = suite_run |
| self.remote_user = conf.get('remote_user', None) |
| if not rf_type_valid(conf.get('rf_dev_type', None)): |
| raise log.Error('Invalid rf_dev_type=%s' % conf.get('rf_dev_type', None)) |
| |
| def bin_prefix(self): |
| if self._bin_prefix is None: |
| self._bin_prefix = os.getenv('AMARISOFT_PATH_ENB', None) |
| if self._bin_prefix == None: |
| self._bin_prefix = self.suite_run.trial.get_inst('amarisoftenb') |
| return self._bin_prefix |
| |
| 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 AmarisoftENB') |
| self._epc = epc |
| self.run_dir = util.Dir(self.suite_run.get_test_run_dir().new_dir(self.name())) |
| self.configure() |
| self._start() |
| |
| # send t+Enter to enable console trace |
| self.dbg('Enabling console trace') |
| self.process.stdin_write('t\n') |
| |
| def _start(self): |
| if self.setup_runs_locally(): |
| env = { 'LD_LIBRARY_PATH': util.prepend_library_path(self.inst) } |
| binary = self.inst.child('.', AmarisoftENB.BINFILE) |
| self.dbg(run_dir=self.run_dir, binary=binary, env=env) |
| args = (binary, os.path.abspath(self.config_file)) |
| self.process = process.Process(self.name(), self.run_dir, args, env=env) |
| else: |
| remote_env = { 'LD_LIBRARY_PATH': self.remote_inst } |
| remote_binary = self.remote_inst.child('', AmarisoftENB.BINFILE) |
| args = (remote_binary, self.remote_config_file) |
| self.process = self.rem_host.RemoteProcess(AmarisoftENB.BINFILE, args, remote_env=remote_env) |
| |
| self.suite_run.remember_to_stop(self.process) |
| self.process.launch() |
| |
| def gen_conf_file(self, path, filename, values): |
| self.dbg('AmarisoftENB ' + 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.inst = util.Dir(os.path.abspath(self.bin_prefix())) |
| if not self.inst.isfile('', AmarisoftENB.BINFILE): |
| raise log.Error('No %s binary in' % AmarisoftENB.BINFILE, self.inst) |
| |
| self.config_file = self.run_dir.child(AmarisoftENB.CFGFILE) |
| self.config_sib1_file = self.run_dir.child(AmarisoftENB.CFGFILE_SIB1) |
| self.config_sib23_file = self.run_dir.child(AmarisoftENB.CFGFILE_SIB23) |
| self.config_rf_file = self.run_dir.child(AmarisoftENB.CFGFILE_RF) |
| self.config_drb_file = self.run_dir.child(AmarisoftENB.CFGFILE_DRB) |
| self.log_file = self.run_dir.child(AmarisoftENB.LOGFILE) |
| |
| if not self.setup_runs_locally(): |
| self.rem_host = remote.RemoteHost(self.run_dir, self.remote_user, self._addr) |
| remote_prefix_dir = util.Dir(AmarisoftENB.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(AmarisoftENB.BINFILE)) |
| |
| self.remote_config_file = remote_run_dir.child(AmarisoftENB.CFGFILE) |
| self.remote_config_sib1_file = remote_run_dir.child(AmarisoftENB.CFGFILE_SIB1) |
| self.remote_config_sib23_file = remote_run_dir.child(AmarisoftENB.CFGFILE_SIB23) |
| self.remote_config_rf_file = remote_run_dir.child(AmarisoftENB.CFGFILE_RF) |
| self.remote_config_drb_file = remote_run_dir.child(AmarisoftENB.CFGFILE_DRB) |
| self.remote_log_file = remote_run_dir.child(AmarisoftENB.LOGFILE) |
| |
| values = super().configure(['amarisoft', 'amarisoftenb']) |
| |
| # Convert parsed boolean string to Python boolean: |
| self.enable_measurements = util.str2bool(values['enb'].get('enable_measurements', 'false')) |
| config.overlay(values, dict(enb={'enable_measurements': self.enable_measurements})) |
| |
| # We need to set some specific variables programatically here to match IP addresses: |
| if self._conf.get('rf_dev_type') == 'zmq': |
| base_srate = num_prb2base_srate(self.num_prb()) |
| rf_dev_args = 'fail_on_disconnect=true' \ |
| + ',tx_port0=tcp://' + self.addr() + ':2000' \ |
| + ',tx_port1=tcp://' + self.addr() + ':2002' \ |
| + ',rx_port0=tcp://' + self.ue.addr() + ':2001' \ |
| + ',rx_port1=tcp://' + self.ue.addr() + ':2003' \ |
| + ',id=enb,base_srate=' + str(base_srate) |
| config.overlay(values, dict(enb=dict(sample_rate = base_srate / (1000*1000), |
| rf_dev_args=rf_dev_args))) |
| |
| # Set UHD frame size as a function of the cell bandwidth on B2XX |
| if self._conf.get('rf_dev_type') == 'uhd' and values['enb'].get('rf_dev_args', None) is not None: |
| if 'b200' in values['enb'].get('rf_dev_args'): |
| rf_dev_args = values['enb'].get('rf_dev_args', '') |
| rf_dev_args += ',' if rf_dev_args != '' and not rf_dev_args.endswith(',') else '' |
| |
| if self._num_prb < 25: |
| rf_dev_args += 'send_frame_size=512,recv_frame_size=512' |
| elif self._num_prb == 25: |
| rf_dev_args += 'send_frame_size=1024,recv_frame_size=1024' |
| elif self._num_prb > 25: |
| rf_dev_args += 'num_recv_frames=64,num_send_frames=64' |
| |
| if self._num_prb > 50: |
| # Reduce over the wire format to sc12 |
| rf_dev_args += ',otw_format=sc12' |
| |
| config.overlay(values, dict(enb=dict(rf_dev_args=rf_dev_args))) |
| |
| logfile = self.log_file if self.setup_runs_locally() else self.remote_log_file |
| config.overlay(values, dict(enb=dict(log_filename=logfile))) |
| |
| # rf driver is shared between amarisoft enb and ue, so it has a |
| # different cfg namespace 'trx'. Copy needed values over there: |
| config.overlay(values, dict(trx=dict(rf_dev_type=values['enb'].get('rf_dev_type', None), |
| rf_dev_args=values['enb'].get('rf_dev_args', None), |
| rx_gain=values['enb'].get('rx_gain', None), |
| tx_gain=values['enb'].get('tx_gain', None), |
| ))) |
| |
| self.gen_conf = values |
| |
| self.gen_conf_file(self.config_file, AmarisoftENB.CFGFILE, values) |
| self.gen_conf_file(self.config_sib1_file, AmarisoftENB.CFGFILE_SIB1, values) |
| self.gen_conf_file(self.config_sib23_file, AmarisoftENB.CFGFILE_SIB23, values) |
| self.gen_conf_file(self.config_rf_file, AmarisoftENB.CFGFILE_RF, values) |
| self.gen_conf_file(self.config_drb_file, AmarisoftENB.CFGFILE_DRB, values) |
| |
| if not self.setup_runs_locally(): |
| 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.recreate_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-sib1-to-remote', self.config_sib1_file, self.remote_config_sib1_file) |
| self.rem_host.scp('scp-cfg-sib23-to-remote', self.config_sib23_file, self.remote_config_sib23_file) |
| self.rem_host.scp('scp-cfg-rr-to-remote', self.config_rf_file, self.remote_config_rf_file) |
| self.rem_host.scp('scp-cfg-drb-to-remote', self.config_drb_file, self.remote_config_drb_file) |
| |
| 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 get_rfemu(self, cell=0, dl=True): |
| cell_list = self.gen_conf['enb'].get('cell_list', None) |
| if cell_list is None or len(cell_list) < cell + 1: |
| raise log.Error('cell_list attribute or subitem not found!') |
| rfemu_cfg = cell_list[cell].get('dl_rfemu', None) |
| if rfemu_cfg is None: # craft amarisfot by default: |
| rfemu_cfg = {'type': 'amarisoftctl', |
| 'addr': self.addr(), |
| 'ports': [9001] |
| } |
| if rfemu_cfg['type'] == 'amarisoftctl': # this one requires extra config: |
| config.overlay(rfemu_cfg, dict(cell_id=cell_list[cell]['cell_id'])) |
| rfemu_obj = rfemu.get_instance_by_type(rfemu_cfg['type'], rfemu_cfg) |
| return rfemu_obj |
| |
| # vim: expandtab tabstop=4 shiftwidth=4 |