116 lines
4.3 KiB
Python
116 lines
4.3 KiB
Python
# osmo_gsm_tester: specifics for running an osmo-bts-virtual
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#
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# Copyright (C) 2016-2017 by sysmocom - s.f.m.c. GmbH
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# Copyright (C) 2018 Holger Hans Peter Freyther
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#
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# Author: Neels Hofmeyr <neels@hofmeyr.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 ..core import config, util, template, process
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from . import bts_osmo
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class OsmoBtsVirtual(bts_osmo.OsmoBtsMainUnit):
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##############
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# PROTECTED
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##############
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BIN_BTS = 'osmo-bts-virtual'
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BIN_PCU = 'osmo-pcu'
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CONF_BTS = 'osmo-bts-virtual.cfg'
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def __init__(self, testenv, conf):
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"""Initializes the OsmoBtsVirtual."""
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super().__init__(testenv, conf, OsmoBtsVirtual.BIN_BTS, 'osmo_bts_virtual')
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self.run_dir = None
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self.inst = None
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self.env = {}
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def launch_process(self, keepalive, binary_name, *args):
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"""Launches the osmo-bts-virtual process."""
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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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self.testenv.remember_to_stop(proc, keepalive)
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proc.launch()
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return proc
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def configure(self):
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"""Builds the configuration for osmo-bts-virtual and writes it to a file."""
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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(OsmoBtsVirtual.CONF_BTS)
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self.dbg(config_file=self.config_file)
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values = dict(osmo_bts_virtual=config.get_defaults('osmo_bts_virtual'))
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config.overlay(values, self.testenv.suite().config())
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config.overlay(values, {
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'osmo_bts_virtual': {
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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_virtual': self.conf })
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self.dbg('OSMO-BTS-VIRTUAL CONFIG:\n' + pprint.pformat(values))
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with open(self.config_file, 'w') as f:
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r = template.render(OsmoBtsVirtual.CONF_BTS, values)
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self.dbg(r)
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f.write(r)
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########################
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# PUBLIC - INTERNAL API
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########################
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def conf_for_bsc(self):
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"""Returns the configuration for the BSC (including the BSC/NITB IP)."""
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values = self.conf_for_bsc_prepare()
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self.dbg(conf=values)
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return values
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###################
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# PUBLIC (test API included)
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###################
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def start(self, keepalive=False):
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"""Handles starting/turning-up the osmo-bts-virtual process."""
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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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self.log('Starting to connect to', self.bsc)
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self.run_dir = util.Dir(self.testenv.suite().get_run_dir().new_dir(self.name()))
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self.configure()
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self.inst = util.Dir(os.path.abspath(self.testenv.suite().trial().get_inst('osmo-bts')))
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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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self.env = { 'LD_LIBRARY_PATH': util.prepend_library_path(lib) }
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self.proc_bts = self.launch_process(keepalive, OsmoBtsVirtual.BIN_BTS, '-r', '1',
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'-c', os.path.abspath(self.config_file),
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'-i', self.bsc.addr())
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self.testenv.poll()
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# vim: expandtab tabstop=4 shiftwidth=4
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