Pau Espin Pedrol | 13143bc | 2017-05-08 17:07:28 +0200 | [diff] [blame] | 1 | # osmo_gsm_tester: specifics for running an osmo-nitb |
| 2 | # |
| 3 | # Copyright (C) 2016-2017 by sysmocom - s.f.m.c. GmbH |
| 4 | # |
| 5 | # Author: Pau Espin Pedrol <pespin@sysmocom.de> |
| 6 | # |
| 7 | # This program is free software: you can redistribute it and/or modify |
| 8 | # it under the terms of the GNU Affero General Public License as |
| 9 | # published by the Free Software Foundation, either version 3 of the |
| 10 | # License, or (at your option) any later version. |
| 11 | # |
| 12 | # This program is distributed in the hope that it will be useful, |
| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | # GNU Affero General Public License for more details. |
| 16 | # |
| 17 | # You should have received a copy of the GNU Affero General Public License |
| 18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 | |
| 20 | import os |
| 21 | import random |
| 22 | import re |
| 23 | import socket |
| 24 | |
| 25 | from . import log, util, config, template, process, osmo_ctrl |
| 26 | |
| 27 | class PcapRecorder(log.Origin): |
| 28 | |
| 29 | def __init__(self, suite_run, run_dir, iface=None, addr=None): |
| 30 | self.suite_run = suite_run |
| 31 | self.run_dir = run_dir |
| 32 | self.iface = iface |
| 33 | if not self.iface: |
| 34 | self.iface = "any" |
| 35 | self.addr = addr |
| 36 | self.set_log_category(log.C_RUN) |
| 37 | self.set_name('pcap-recorder_%s' % self.iface) |
| 38 | self.start() |
| 39 | |
| 40 | def start(self): |
| 41 | self.log('Recording pcap', self.run_dir, self.gen_filter()) |
| 42 | dumpfile = os.path.join(os.path.abspath(self.run_dir), self.name() + ".pcap") |
| 43 | self.process = process.Process(self.name(), self.run_dir, |
| 44 | ('tcpdump', '-n', |
| 45 | '-i', self.iface, |
| 46 | '-w', dumpfile, |
| 47 | self.gen_filter()) |
| 48 | ) |
| 49 | self.suite_run.remember_to_stop(self.process) |
| 50 | self.process.launch() |
| 51 | |
| 52 | def gen_filter(self): |
| 53 | filter = "" |
| 54 | if self.addr: |
| 55 | filter += 'host ' + self.addr |
| 56 | return filter |
| 57 | |
| 58 | def running(self): |
| 59 | return not self.process.terminated() |