Log network activity using tcpdump for nitb interface
Change-Id: I4c5d0e2d9857160f905e743517e744f1a06368af
This commit is contained in:
parent
ecf107983b
commit
13143bc4df
|
@ -22,7 +22,7 @@ import random
|
||||||
import re
|
import re
|
||||||
import socket
|
import socket
|
||||||
|
|
||||||
from . import log, util, config, template, process, osmo_ctrl
|
from . import log, util, config, template, process, osmo_ctrl, pcaprecorder
|
||||||
|
|
||||||
class OsmoNitb(log.Origin):
|
class OsmoNitb(log.Origin):
|
||||||
suite_run = None
|
suite_run = None
|
||||||
|
@ -51,6 +51,10 @@ class OsmoNitb(log.Origin):
|
||||||
if not os.path.isdir(lib):
|
if not os.path.isdir(lib):
|
||||||
raise RuntimeError('No lib/ in %r' % inst)
|
raise RuntimeError('No lib/ in %r' % inst)
|
||||||
|
|
||||||
|
iface = util.ip_to_iface(self.addr())
|
||||||
|
pcaprecorder.PcapRecorder(self.suite_run, self.run_dir.new_dir('pcap'),
|
||||||
|
iface, self.addr())
|
||||||
|
|
||||||
env = { 'LD_LIBRARY_PATH': util.prepend_library_path(lib) }
|
env = { 'LD_LIBRARY_PATH': util.prepend_library_path(lib) }
|
||||||
|
|
||||||
self.dbg(run_dir=self.run_dir, binary=binary, env=env)
|
self.dbg(run_dir=self.run_dir, binary=binary, env=env)
|
||||||
|
|
|
@ -0,0 +1,59 @@
|
||||||
|
# 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()
|
|
@ -30,7 +30,7 @@ import importlib.util
|
||||||
import fcntl
|
import fcntl
|
||||||
import tty
|
import tty
|
||||||
import readline
|
import readline
|
||||||
|
import subprocess
|
||||||
|
|
||||||
def prepend_library_path(path):
|
def prepend_library_path(path):
|
||||||
lp = os.getenv('LD_LIBRARY_PATH')
|
lp = os.getenv('LD_LIBRARY_PATH')
|
||||||
|
@ -38,6 +38,17 @@ def prepend_library_path(path):
|
||||||
return path
|
return path
|
||||||
return path + ':' + lp
|
return path + ':' + lp
|
||||||
|
|
||||||
|
def ip_to_iface(ip):
|
||||||
|
try:
|
||||||
|
for iface in os.listdir('/sys/class/net'):
|
||||||
|
proc = subprocess.Popen(['ip', 'addr', 'show', 'dev', iface], stdout=subprocess.PIPE, universal_newlines=True)
|
||||||
|
for line in proc.stdout.readlines():
|
||||||
|
if 'inet' in line and ' ' + ip + '/' in line:
|
||||||
|
return iface
|
||||||
|
except Exception as e:
|
||||||
|
pass
|
||||||
|
return None
|
||||||
|
|
||||||
class listdict:
|
class listdict:
|
||||||
'a dict of lists { "a": [1, 2, 3], "b": [1, 2] }'
|
'a dict of lists { "a": [1, 2, 3], "b": [1, 2] }'
|
||||||
def __getattr__(ld, name):
|
def __getattr__(ld, name):
|
||||||
|
|
Loading…
Reference in New Issue