2017-09-15 12:11:35 +00:00
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# osmo_gsm_tester: specifics for running an osmo-bts-octphy
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#
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# Copyright (C) 2016-2017 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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2020-04-10 18:46:07 +00:00
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from ..core import log, config, util, template, process
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2020-04-10 17:51:31 +00:00
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from . import bts_osmo
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2017-09-15 12:11:35 +00:00
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2017-12-13 18:52:27 +00:00
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class OsmoBtsOctphy(bts_osmo.OsmoBtsMainUnit):
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2017-12-14 18:01:25 +00:00
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##############
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# PROTECTED
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##############
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2017-09-15 12:11:35 +00:00
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BIN_BTS_OCTPHY = 'osmo-bts-octphy'
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CONF_BTS_OCTPHY = 'osmo-bts-octphy.cfg'
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2020-05-05 10:54:37 +00:00
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def __init__(self, testenv, conf):
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super().__init__(testenv, conf, OsmoBtsOctphy.BIN_BTS_OCTPHY, 'osmo_bts_octphy')
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2018-08-09 11:45:55 +00:00
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self.run_dir = None
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self.inst = None
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2017-09-15 12:11:35 +00:00
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self.env = {}
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self.values = {}
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def launch_process(self, binary_name, *args):
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binary = os.path.abspath(self.inst.child('bin', binary_name))
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run_dir = self.run_dir.new_dir(binary_name)
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if not os.path.isfile(binary):
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raise RuntimeError('Binary missing: %r' % binary)
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proc = process.Process(binary_name, run_dir,
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(binary,) + args,
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env=self.env)
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2020-05-05 10:54:37 +00:00
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self.testenv.remember_to_stop(proc)
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2017-09-15 12:11:35 +00:00
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proc.launch()
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return proc
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def allocate_phy_instances(self, c):
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'''
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Generate match trx Z <-> phy X inst Y to use in vty config
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We create a new phy for each trx found with a new hwaddr. If hwaddr is
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already there, increase num_instances and give last instance index to
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the current trx.
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'''
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phy_list = []
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for trx in c.get('trx_list', []):
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hwaddr = trx.get('hw_addr', None)
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netdev = trx.get('net_device', None)
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if hwaddr is None:
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raise log.Error('Expected hw-addr value not found!')
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found = False
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phy_idx = 0
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for phy in phy_list:
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if phy['hw_addr'] == hwaddr:
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phy['num_instances'] += 1
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found = True
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break
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phy_idx += 1
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if not found:
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phy_list.append({'hw_addr': hwaddr, 'net_device': netdev, 'num_instances': 1})
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trx['phy_idx'] = phy_idx
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trx['instance_idx'] = phy_list[phy_idx]['num_instances'] - 1
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c['phy_list'] = phy_list
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def configure(self):
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if self.bsc is None:
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raise RuntimeError('BTS needs to be added to a BSC or NITB before it can be configured')
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self.config_file = self.run_dir.new_file(OsmoBtsOctphy.CONF_BTS_OCTPHY)
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self.dbg(config_file=self.config_file)
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values = dict(osmo_bts_octphy=config.get_defaults('osmo_bts_octphy'))
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2020-05-05 10:54:37 +00:00
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config.overlay(values, self.testenv.suite().config())
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2017-09-15 12:11:35 +00:00
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config.overlay(values, {
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'osmo_bts_octphy': {
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'oml_remote_ip': self.bsc.addr(),
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'pcu_socket_path': self.pcu_socket_path(),
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}
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})
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config.overlay(values, { 'osmo_bts_octphy': self.conf })
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self.allocate_phy_instances(values['osmo_bts_octphy'])
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self.dbg('OSMO-BTS-OCTPHY CONFIG:\n' + pprint.pformat(values))
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self.values = values
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with open(self.config_file, 'w') as f:
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r = template.render(OsmoBtsOctphy.CONF_BTS_OCTPHY, values)
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self.dbg(r)
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f.write(r)
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2017-12-14 18:01:25 +00:00
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########################
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# PUBLIC - INTERNAL API
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########################
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2017-09-15 12:11:35 +00:00
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def conf_for_bsc(self):
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2018-05-07 11:36:58 +00:00
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values = self.conf_for_bsc_prepare()
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2017-09-15 12:11:35 +00:00
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self.dbg(conf=values)
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return values
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2017-12-14 18:01:25 +00:00
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###################
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# PUBLIC (test API included)
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###################
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def start(self):
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if self.bsc is None:
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raise RuntimeError('BTS needs to be added to a BSC or NITB before it can be started')
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self.testenv.poll()
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2017-12-14 18:01:25 +00:00
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self.log('Starting to connect to', self.bsc)
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2020-05-11 08:56:52 +00:00
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self.run_dir = util.Dir(self.testenv.test().get_run_dir().new_dir(self.name()))
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2017-12-14 18:01:25 +00:00
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self.configure()
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2020-05-05 10:54:37 +00:00
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self.inst = util.Dir(os.path.abspath(self.testenv.suite().trial().get_inst('osmo-bts')))
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2017-12-14 18:01:25 +00:00
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btsoct_path = self.inst.child('bin', OsmoBtsOctphy.BIN_BTS_OCTPHY)
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lib = self.inst.child('lib')
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if not os.path.isdir(lib):
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raise RuntimeError('No lib/ in %r' % self.inst)
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# setting capabilities will later disable use of LD_LIBRARY_PATH from ELF loader -> modify RPATH instead.
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self.log('Setting RPATH for', OsmoBtsOctphy.BIN_BTS_OCTPHY)
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util.change_elf_rpath(btsoct_path, util.prepend_library_path(lib), self.run_dir.new_dir('patchelf'))
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# osmo-bty-octphy requires CAP_NET_RAW to open AF_PACKET socket:
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self.log('Applying CAP_NET_RAW capability to', OsmoBtsOctphy.BIN_BTS_OCTPHY)
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util.setcap_net_raw(btsoct_path, self.run_dir.new_dir('setcap_net_raw'))
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self.proc_bts = self.launch_process(OsmoBtsOctphy.BIN_BTS_OCTPHY, '-r', '1',
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'-c', os.path.abspath(self.config_file),
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'-i', self.bsc.addr(), '-t', str(self.num_trx()))
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2020-05-05 10:54:37 +00:00
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self.testenv.poll()
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2017-12-14 18:01:25 +00:00
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2017-09-15 12:11:35 +00:00
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# vim: expandtab tabstop=4 shiftwidth=4
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