55 lines
2.0 KiB
Python
55 lines
2.0 KiB
Python
# osmo_gsm_tester: specifics for running an osmo-nitb
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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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from ..core import log, process
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class PcapRecorder(log.Origin):
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def __init__(self, testenv, run_dir, iface=None, filters='', netns=None):
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self.iface = iface
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if not self.iface:
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self.iface = "any"
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self.filters = filters
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super().__init__(log.C_RUN, 'pcap-recorder_%s' % self.iface, filters=self.filters)
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self.testenv = testenv
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self.run_dir = run_dir
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self.netns = netns
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self.start()
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def start(self):
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self.dbg('Recording pcap', self.run_dir, self.filters)
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dumpfile = os.path.join(os.path.abspath(self.run_dir), self.name() + ".pcap")
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popen_args = ('tcpdump', '-n',
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'-i', self.iface,
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'-w', dumpfile,
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self.filters)
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if self.netns:
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self.process = process.NetNSProcess(self.name(), self.run_dir, self.netns, popen_args)
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else:
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self.process = process.Process(self.name(), self.run_dir, popen_args)
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self.testenv.remember_to_stop(self.process)
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self.process.launch()
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def running(self):
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return not self.process.terminated()
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# vim: expandtab tabstop=4 shiftwidth=4
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