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-rw-r--r--src/osmo_gsm_tester/pcap_recorder.py59
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diff --git a/src/osmo_gsm_tester/pcap_recorder.py b/src/osmo_gsm_tester/pcap_recorder.py
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+# osmo_gsm_tester: specifics for running an osmo-nitb
+#
+# Copyright (C) 2016-2017 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 Affero 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+import os
+import random
+import re
+import socket
+
+from . import log, util, config, template, process, osmo_ctrl
+
+class PcapRecorder(log.Origin):
+
+ def __init__(self, suite_run, run_dir, iface=None, addr=None):
+ self.suite_run = suite_run
+ self.run_dir = run_dir
+ self.iface = iface
+ if not self.iface:
+ self.iface = "any"
+ self.addr = addr
+ self.set_log_category(log.C_RUN)
+ self.set_name('pcap-recorder_%s' % self.iface)
+ self.start()
+
+ def start(self):
+ self.log('Recording pcap', self.run_dir, self.gen_filter())
+ dumpfile = os.path.join(os.path.abspath(self.run_dir), self.name() + ".pcap")
+ self.process = process.Process(self.name(), self.run_dir,
+ ('tcpdump', '-n',
+ '-i', self.iface,
+ '-w', dumpfile,
+ self.gen_filter())
+ )
+ self.suite_run.remember_to_stop(self.process)
+ self.process.launch()
+
+ def gen_filter(self):
+ filter = ""
+ if self.addr:
+ filter += 'host ' + self.addr
+ return filter
+
+ def running(self):
+ return not self.process.terminated()