114 lines
3.5 KiB
Python
114 lines
3.5 KiB
Python
# osmo_gsm_tester: base classes to share code among BTS subclasses.
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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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import tempfile
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from abc import ABCMeta, abstractmethod
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from . import log, config, util, template, process, bts, pcu_osmo
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class OsmoBts(bts.Bts, metaclass=ABCMeta):
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##############
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# PROTECTED
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##############
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def __init__(self, suite_run, conf, name, defaults_cfg_name):
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super().__init__(suite_run, conf, name, defaults_cfg_name)
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self._pcu = None
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self.proc_bts = None
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if len(self.pcu_socket_path().encode()) > 107:
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raise log.Error('Path for pcu socket is longer than max allowed len for unix socket path (107):', self.pcu_socket_path())
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########################
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# PUBLIC - INTERNAL API
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########################
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@abstractmethod
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def conf_for_bsc(self):
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# coming from bts.Bts, we forward the implementation to children.
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pass
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@abstractmethod
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def pcu_socket_path(self):
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'Used by pcu objects to get path to socket.'
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pass
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@abstractmethod
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def create_pcu(self):
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'Used by base class. Subclass can create different pcu implementations.'
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pass
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###################
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# PUBLIC (test API included)
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###################
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@abstractmethod
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def start(self, keepalive=False):
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# coming from bts.Bts, we forward the implementation to children.
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pass
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def ready_for_pcu(self):
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if not self.proc_bts or not self.proc_bts.is_running:
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return False
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return 'BTS is up' in (self.proc_bts.get_stderr() or '')
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def pcu(self):
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if self._pcu is None:
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self._pcu = self.create_pcu()
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return self._pcu
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class OsmoBtsMainUnit(OsmoBts, metaclass=ABCMeta):
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##############
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# PROTECTED
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##############
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def __init__(self, suite_run, conf, name, defaults_cfg_name):
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self.pcu_sk_tmp_dir = None
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super().__init__(suite_run, conf, name, defaults_cfg_name)
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########################
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# PUBLIC - INTERNAL API
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########################
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@abstractmethod
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def conf_for_bsc(self):
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# coming from bts.Bts, we forward the implementation to children.
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pass
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def cleanup(self):
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if self.pcu_sk_tmp_dir:
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try:
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os.remove(self.pcu_socket_path())
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except OSError:
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pass
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os.rmdir(self.pcu_sk_tmp_dir)
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def create_pcu(self):
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return pcu_osmo.OsmoPcu(self.suite_run, self, self.conf)
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def pcu_socket_path(self):
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if self.pcu_sk_tmp_dir is None:
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self.pcu_sk_tmp_dir = tempfile.mkdtemp('', 'ogtpcusk')
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return os.path.join(self.pcu_sk_tmp_dir, 'pcu_bts')
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###################
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# PUBLIC (test API included)
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###################
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@abstractmethod
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def start(self, keepalive=False):
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# coming from bts.Bts, we forward the implementation to children.
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pass
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