mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-25 00:38:24 -05:00
c55799e54c
This allows more accurate logging of failures related to the cfg80211
country=98 (intersection) case. This version is trying to give some more
time to allow the country code to clear, but that does not seem to be
sufficient with the current cfg80211 implementation for country=98 (but
might be for other cases).
The additional check for country=98 at the beginning of each test case
is an attempt to force cfg80211 to restore world roaming state with a
new association and disconnection at the station side detected after the
AP side has already stopped. This is needed after the Linux kernel
commit 113f3aaa81bd ("cfg80211: Prevent regulatory restore during STA
disconnect in concurrent interfaces").
Signed-off-by: Jouni Malinen <j@w1.fi>
650 lines
25 KiB
Python
Executable File
650 lines
25 KiB
Python
Executable File
#!/usr/bin/env python2
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#
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# Test case executor
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# Copyright (c) 2013-2015, Jouni Malinen <j@w1.fi>
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import os
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import re
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import sys
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import time
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from datetime import datetime
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import argparse
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import subprocess
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import termios
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import logging
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logger = logging.getLogger()
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try:
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import sqlite3
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sqlite3_imported = True
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except ImportError:
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sqlite3_imported = False
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scriptsdir = os.path.dirname(os.path.realpath(sys.modules[__name__].__file__))
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sys.path.append(os.path.join(scriptsdir, '..', '..', 'wpaspy'))
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from wpasupplicant import WpaSupplicant
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from hostapd import HostapdGlobal
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from check_kernel import check_kernel
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from wlantest import Wlantest
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from utils import HwsimSkip
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def set_term_echo(fd, enabled):
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[iflag, oflag, cflag, lflag, ispeed, ospeed, cc] = termios.tcgetattr(fd)
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if enabled:
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lflag |= termios.ECHO
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else:
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lflag &= ~termios.ECHO
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termios.tcsetattr(fd, termios.TCSANOW,
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[iflag, oflag, cflag, lflag, ispeed, ospeed, cc])
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def reset_devs(dev, apdev):
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ok = True
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for d in dev:
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try:
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d.reset()
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except Exception, e:
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logger.info("Failed to reset device " + d.ifname)
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print str(e)
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ok = False
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wpas = None
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try:
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5', monitor=False)
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ifaces = wpas.global_request("INTERFACES").splitlines()
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for iface in ifaces:
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if iface.startswith("wlan"):
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wpas.interface_remove(iface)
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except Exception, e:
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pass
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if wpas:
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wpas.close_ctrl()
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try:
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hapd = HostapdGlobal()
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hapd.flush()
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hapd.remove('wlan3-6')
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hapd.remove('wlan3-5')
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hapd.remove('wlan3-4')
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hapd.remove('wlan3-3')
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hapd.remove('wlan3-2')
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for ap in apdev:
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hapd.remove(ap['ifname'])
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except Exception, e:
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logger.info("Failed to remove hostapd interface")
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print str(e)
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ok = False
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return ok
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def add_log_file(conn, test, run, type, path):
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if not os.path.exists(path):
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return
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contents = None
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with open(path, 'r') as f:
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contents = f.read()
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if contents is None:
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return
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sql = "INSERT INTO logs(test,run,type,contents) VALUES(?, ?, ?, ?)"
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params = (test, run, type, sqlite3.Binary(contents))
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try:
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conn.execute(sql, params)
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conn.commit()
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except Exception, e:
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print "sqlite: " + str(e)
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print "sql: %r" % (params, )
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def report(conn, prefill, build, commit, run, test, result, duration, logdir,
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sql_commit=True):
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if conn:
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if not build:
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build = ''
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if not commit:
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commit = ''
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if prefill:
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conn.execute('DELETE FROM results WHERE test=? AND run=? AND result=?', (test, run, 'NOTRUN'))
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sql = "INSERT INTO results(test,result,run,time,duration,build,commitid) VALUES(?, ?, ?, ?, ?, ?, ?)"
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params = (test, result, run, time.time(), duration, build, commit)
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try:
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conn.execute(sql, params)
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if sql_commit:
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conn.commit()
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except Exception, e:
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print "sqlite: " + str(e)
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print "sql: %r" % (params, )
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if result == "FAIL":
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for log in [ "log", "log0", "log1", "log2", "log3", "log5",
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"hostapd", "dmesg", "hwsim0", "hwsim0.pcapng" ]:
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add_log_file(conn, test, run, log,
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logdir + "/" + test + "." + log)
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class DataCollector(object):
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def __init__(self, logdir, testname, args):
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self._logdir = logdir
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self._testname = testname
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self._tracing = args.tracing
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self._dmesg = args.dmesg
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self._dbus = args.dbus
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def __enter__(self):
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if self._tracing:
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output = os.path.abspath(os.path.join(self._logdir, '%s.dat' % (self._testname, )))
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self._trace_cmd = subprocess.Popen(['trace-cmd', 'record', '-o', output, '-e', 'mac80211', '-e', 'cfg80211', '-e', 'printk', 'sh', '-c', 'echo STARTED ; read l'],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=open('/dev/null', 'w'),
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cwd=self._logdir)
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l = self._trace_cmd.stdout.read(7)
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while self._trace_cmd.poll() is None and not 'STARTED' in l:
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l += self._trace_cmd.stdout.read(1)
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res = self._trace_cmd.returncode
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if res:
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print "Failed calling trace-cmd: returned exit status %d" % res
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sys.exit(1)
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if self._dbus:
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output = os.path.abspath(os.path.join(self._logdir, '%s.dbus' % (self._testname, )))
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self._dbus_cmd = subprocess.Popen(['dbus-monitor', '--system'],
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stdout=open(output, 'w'),
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stderr=open('/dev/null', 'w'),
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cwd=self._logdir)
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res = self._dbus_cmd.returncode
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if res:
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print "Failed calling dbus-monitor: returned exit status %d" % res
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sys.exit(1)
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def __exit__(self, type, value, traceback):
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if self._tracing:
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self._trace_cmd.stdin.write('DONE\n')
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self._trace_cmd.wait()
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if self._dmesg:
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output = os.path.join(self._logdir, '%s.dmesg' % (self._testname, ))
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num = 0
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while os.path.exists(output):
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output = os.path.join(self._logdir, '%s.dmesg-%d' % (self._testname, num))
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num += 1
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subprocess.call(['dmesg', '-c'], stdout=open(output, 'w'))
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def rename_log(logdir, basename, testname, dev):
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try:
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import getpass
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srcname = os.path.join(logdir, basename)
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dstname = os.path.join(logdir, testname + '.' + basename)
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num = 0
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while os.path.exists(dstname):
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dstname = os.path.join(logdir,
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testname + '.' + basename + '-' + str(num))
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num = num + 1
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os.rename(srcname, dstname)
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if dev:
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dev.relog()
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subprocess.call(['chown', '-f', getpass.getuser(), srcname])
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except Exception, e:
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logger.info("Failed to rename log files")
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logger.info(e)
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def main():
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tests = []
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test_modules = []
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files = os.listdir(scriptsdir)
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for t in files:
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m = re.match(r'(test_.*)\.py$', t)
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if m:
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logger.debug("Import test cases from " + t)
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mod = __import__(m.group(1))
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test_modules.append(mod.__name__.replace('test_', '', 1))
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for key,val in mod.__dict__.iteritems():
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if key.startswith("test_"):
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tests.append(val)
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test_names = list(set([t.__name__.replace('test_', '', 1) for t in tests]))
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run = None
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parser = argparse.ArgumentParser(description='hwsim test runner')
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parser.add_argument('--logdir', metavar='<directory>',
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help='log output directory for all other options, ' +
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'must be given if other log options are used')
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group = parser.add_mutually_exclusive_group()
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group.add_argument('-d', const=logging.DEBUG, action='store_const',
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dest='loglevel', default=logging.INFO,
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help="verbose debug output")
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group.add_argument('-q', const=logging.WARNING, action='store_const',
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dest='loglevel', help="be quiet")
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parser.add_argument('-S', metavar='<sqlite3 db>', dest='database',
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help='database to write results to')
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parser.add_argument('--prefill-tests', action='store_true', dest='prefill',
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help='prefill test database with NOTRUN before all tests')
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parser.add_argument('--commit', metavar='<commit id>',
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help='commit ID, only for database')
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parser.add_argument('-b', metavar='<build>', dest='build', help='build ID')
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parser.add_argument('-L', action='store_true', dest='update_tests_db',
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help='List tests (and update descriptions in DB)')
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parser.add_argument('-T', action='store_true', dest='tracing',
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help='collect tracing per test case (in log directory)')
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parser.add_argument('-D', action='store_true', dest='dmesg',
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help='collect dmesg per test case (in log directory)')
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parser.add_argument('--dbus', action='store_true', dest='dbus',
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help='collect dbus per test case (in log directory)')
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parser.add_argument('--shuffle-tests', action='store_true',
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dest='shuffle_tests',
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help='Shuffle test cases to randomize order')
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parser.add_argument('--split', help='split tests for parallel execution (<server number>/<total servers>)')
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parser.add_argument('--no-reset', action='store_true', dest='no_reset',
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help='Do not reset devices at the end of the test')
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parser.add_argument('--long', action='store_true',
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help='Include test cases that take long time')
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parser.add_argument('-f', dest='testmodules', metavar='<test module>',
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help='execute only tests from these test modules',
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type=str, choices=[[]] + test_modules, nargs='+')
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parser.add_argument('-l', metavar='<modules file>', dest='mfile',
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help='test modules file name')
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parser.add_argument('-i', action='store_true', dest='stdin_ctrl',
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help='stdin-controlled test case execution')
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parser.add_argument('tests', metavar='<test>', nargs='*', type=str,
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help='tests to run (only valid without -f)',
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choices=[[]] + test_names)
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args = parser.parse_args()
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if (args.tests and args.testmodules) or (args.tests and args.mfile) or (args.testmodules and args.mfile):
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print 'Invalid arguments - only one of (test, test modules, modules file) can be given.'
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sys.exit(2)
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if args.database:
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if not sqlite3_imported:
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print "No sqlite3 module found"
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sys.exit(2)
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conn = sqlite3.connect(args.database)
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conn.execute('CREATE TABLE IF NOT EXISTS results (test,result,run,time,duration,build,commitid)')
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conn.execute('CREATE TABLE IF NOT EXISTS tests (test,description)')
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conn.execute('CREATE TABLE IF NOT EXISTS logs (test,run,type,contents)')
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else:
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conn = None
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if conn:
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run = int(time.time())
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# read the modules from the modules file
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if args.mfile:
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args.testmodules = []
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with open(args.mfile) as f:
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for line in f.readlines():
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line = line.strip()
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if not line or line.startswith('#'):
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continue
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args.testmodules.append(line)
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tests_to_run = []
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if args.tests:
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for selected in args.tests:
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for t in tests:
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name = t.__name__.replace('test_', '', 1)
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if name == selected:
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tests_to_run.append(t)
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else:
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for t in tests:
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name = t.__name__.replace('test_', '', 1)
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if args.testmodules:
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if not t.__module__.replace('test_', '', 1) in args.testmodules:
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continue
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tests_to_run.append(t)
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if args.update_tests_db:
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for t in tests_to_run:
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name = t.__name__.replace('test_', '', 1)
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if t.__doc__ is None:
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print name + " - MISSING DESCRIPTION"
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else:
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print name + " - " + t.__doc__
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if conn:
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sql = 'INSERT OR REPLACE INTO tests(test,description) VALUES (?, ?)'
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params = (name, t.__doc__)
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try:
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conn.execute(sql, params)
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except Exception, e:
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print "sqlite: " + str(e)
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print "sql: %r" % (params,)
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if conn:
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conn.commit()
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conn.close()
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sys.exit(0)
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if not args.logdir:
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if os.path.exists('logs/current'):
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args.logdir = 'logs/current'
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else:
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args.logdir = 'logs'
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# Write debug level log to a file and configurable verbosity to stdout
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logger.setLevel(logging.DEBUG)
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stdout_handler = logging.StreamHandler()
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stdout_handler.setLevel(args.loglevel)
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logger.addHandler(stdout_handler)
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file_name = os.path.join(args.logdir, 'run-tests.log')
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log_handler = logging.FileHandler(file_name)
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log_handler.setLevel(logging.DEBUG)
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fmt = "%(asctime)s %(levelname)s %(message)s"
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log_formatter = logging.Formatter(fmt)
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log_handler.setFormatter(log_formatter)
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logger.addHandler(log_handler)
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dev0 = WpaSupplicant('wlan0', '/tmp/wpas-wlan0')
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dev1 = WpaSupplicant('wlan1', '/tmp/wpas-wlan1')
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dev2 = WpaSupplicant('wlan2', '/tmp/wpas-wlan2')
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dev = [ dev0, dev1, dev2 ]
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apdev = [ ]
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apdev.append({"ifname": 'wlan3', "bssid": "02:00:00:00:03:00"})
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apdev.append({"ifname": 'wlan4', "bssid": "02:00:00:00:04:00"})
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for d in dev:
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if not d.ping():
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logger.info(d.ifname + ": No response from wpa_supplicant")
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return
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logger.info("DEV: " + d.ifname + ": " + d.p2p_dev_addr())
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for ap in apdev:
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logger.info("APDEV: " + ap['ifname'])
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passed = []
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skipped = []
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failed = []
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# make sure nothing is left over from previous runs
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# (if there were any other manual runs or we crashed)
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if not reset_devs(dev, apdev):
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if conn:
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conn.close()
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conn = None
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sys.exit(1)
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if args.dmesg:
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subprocess.call(['dmesg', '-c'], stdout=open('/dev/null', 'w'))
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if conn and args.prefill:
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for t in tests_to_run:
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name = t.__name__.replace('test_', '', 1)
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report(conn, False, args.build, args.commit, run, name, 'NOTRUN', 0,
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args.logdir, sql_commit=False)
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conn.commit()
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if args.split:
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vals = args.split.split('/')
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split_server = int(vals[0])
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split_total = int(vals[1])
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logger.info("Parallel execution - %d/%d" % (split_server, split_total))
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split_server -= 1
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tests_to_run.sort(key=lambda t: t.__name__)
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tests_to_run = [x for i,x in enumerate(tests_to_run) if i % split_total == split_server]
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if args.shuffle_tests:
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from random import shuffle
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shuffle(tests_to_run)
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count = 0
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if args.stdin_ctrl:
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print "READY"
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sys.stdout.flush()
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num_tests = 0
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else:
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num_tests = len(tests_to_run)
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if args.stdin_ctrl:
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set_term_echo(sys.stdin.fileno(), False)
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check_country_00 = True
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for d in dev:
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if d.get_driver_status_field("country") != "00":
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check_country_00 = False
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while True:
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if args.stdin_ctrl:
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test = sys.stdin.readline()
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if not test:
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break
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test = test.splitlines()[0]
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if test == '':
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break
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t = None
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for tt in tests:
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name = tt.__name__.replace('test_', '', 1)
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if name == test:
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t = tt
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break
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if not t:
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print "NOT-FOUND"
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sys.stdout.flush()
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continue
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else:
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if len(tests_to_run) == 0:
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break
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t = tests_to_run.pop(0)
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if dev[0].get_driver_status_field("country") == "98":
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# Work around cfg80211 regulatory issues in clearing intersected
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# country code 98. Need to make station disconnect without any
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# other wiphy being active in the system.
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logger.info("country=98 workaround - try to clear state")
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id = dev[1].add_network()
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dev[1].set_network(id, "mode", "2")
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dev[1].set_network_quoted(id, "ssid", "country98")
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dev[1].set_network(id, "key_mgmt", "NONE")
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dev[1].set_network(id, "frequency", "2412")
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dev[1].set_network(id, "scan_freq", "2412")
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dev[1].select_network(id)
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ev = dev[1].wait_event(["CTRL-EVENT-CONNECTED"])
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if ev:
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dev[0].connect("country98", key_mgmt="NONE", scan_freq="2412")
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dev[1].request("DISCONNECT")
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dev[0].wait_disconnected()
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dev[0].request("DISCONNECT")
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dev[0].request("ABORT_SCAN")
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time.sleep(1)
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dev[0].reset()
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dev[1].reset()
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dev[0].dump_monitor()
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dev[1].dump_monitor()
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name = t.__name__.replace('test_', '', 1)
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open('/dev/kmsg', 'w').write('running hwsim test case %s\n' % name)
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if log_handler:
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log_handler.stream.close()
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logger.removeHandler(log_handler)
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file_name = os.path.join(args.logdir, name + '.log')
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|
log_handler = logging.FileHandler(file_name)
|
|
log_handler.setLevel(logging.DEBUG)
|
|
log_handler.setFormatter(log_formatter)
|
|
logger.addHandler(log_handler)
|
|
|
|
reset_ok = True
|
|
with DataCollector(args.logdir, name, args):
|
|
count = count + 1
|
|
msg = "START {} {}/{}".format(name, count, num_tests)
|
|
logger.info(msg)
|
|
if args.loglevel == logging.WARNING:
|
|
print msg
|
|
sys.stdout.flush()
|
|
if t.__doc__:
|
|
logger.info("Test: " + t.__doc__)
|
|
start = datetime.now()
|
|
open('/dev/kmsg', 'w').write('TEST-START %s @%.6f\n' % (name, time.time()))
|
|
for d in dev:
|
|
try:
|
|
d.dump_monitor()
|
|
if not d.ping():
|
|
raise Exception("PING failed for {}".format(d.ifname))
|
|
if not d.global_ping():
|
|
raise Exception("Global PING failed for {}".format(d.ifname))
|
|
d.request("NOTE TEST-START " + name)
|
|
except Exception, e:
|
|
logger.info("Failed to issue TEST-START before " + name + " for " + d.ifname)
|
|
logger.info(e)
|
|
print "FAIL " + name + " - could not start test"
|
|
if conn:
|
|
conn.close()
|
|
conn = None
|
|
if args.stdin_ctrl:
|
|
set_term_echo(sys.stdin.fileno(), True)
|
|
sys.exit(1)
|
|
try:
|
|
if t.func_code.co_argcount > 2:
|
|
params = {}
|
|
params['logdir'] = args.logdir
|
|
params['long'] = args.long
|
|
t(dev, apdev, params)
|
|
elif t.func_code.co_argcount > 1:
|
|
t(dev, apdev)
|
|
else:
|
|
t(dev)
|
|
result = "PASS"
|
|
if check_country_00:
|
|
for d in dev:
|
|
country = d.get_driver_status_field("country")
|
|
if country != "00":
|
|
d.dump_monitor()
|
|
logger.info("Country code not reset back to 00: is " + country)
|
|
print "Country code not reset back to 00: is " + country
|
|
result = "FAIL"
|
|
|
|
# Try to wait for cfg80211 regulatory state to
|
|
# clear.
|
|
d.cmd_execute(['iw', 'reg', 'set', '00'])
|
|
for i in range(5):
|
|
time.sleep(1)
|
|
country = d.get_driver_status_field("country")
|
|
if country == "00":
|
|
break
|
|
if country == "00":
|
|
print "Country code cleared back to 00"
|
|
logger.info("Country code cleared back to 00")
|
|
else:
|
|
print "Country code remains set - expect following test cases to fail"
|
|
logger.info("Country code remains set - expect following test cases to fail")
|
|
break
|
|
except HwsimSkip, e:
|
|
logger.info("Skip test case: %s" % e)
|
|
result = "SKIP"
|
|
except NameError, e:
|
|
import traceback
|
|
logger.info(e)
|
|
traceback.print_exc()
|
|
result = "FAIL"
|
|
except Exception, e:
|
|
import traceback
|
|
logger.info(e)
|
|
traceback.print_exc()
|
|
if args.loglevel == logging.WARNING:
|
|
print "Exception: " + str(e)
|
|
result = "FAIL"
|
|
open('/dev/kmsg', 'w').write('TEST-STOP %s @%.6f\n' % (name, time.time()))
|
|
for d in dev:
|
|
try:
|
|
d.dump_monitor()
|
|
d.request("NOTE TEST-STOP " + name)
|
|
except Exception, e:
|
|
logger.info("Failed to issue TEST-STOP after {} for {}".format(name, d.ifname))
|
|
logger.info(e)
|
|
result = "FAIL"
|
|
if args.no_reset:
|
|
print "Leaving devices in current state"
|
|
else:
|
|
reset_ok = reset_devs(dev, apdev)
|
|
wpas = None
|
|
try:
|
|
wpas = WpaSupplicant(global_iface="/tmp/wpas-wlan5")
|
|
rename_log(args.logdir, 'log5', name, wpas)
|
|
if not args.no_reset:
|
|
wpas.remove_ifname()
|
|
except Exception, e:
|
|
pass
|
|
if wpas:
|
|
wpas.close_ctrl()
|
|
|
|
for i in range(0, 3):
|
|
rename_log(args.logdir, 'log' + str(i), name, dev[i])
|
|
try:
|
|
hapd = HostapdGlobal()
|
|
except Exception, e:
|
|
print "Failed to connect to hostapd interface"
|
|
print str(e)
|
|
reset_ok = False
|
|
result = "FAIL"
|
|
hapd = None
|
|
rename_log(args.logdir, 'hostapd', name, hapd)
|
|
if hapd:
|
|
del hapd
|
|
hapd = None
|
|
|
|
# Use None here since this instance of Wlantest() will never be
|
|
# used for remote host hwsim tests on real hardware.
|
|
Wlantest.setup(None)
|
|
wt = Wlantest()
|
|
rename_log(args.logdir, 'hwsim0.pcapng', name, wt)
|
|
rename_log(args.logdir, 'hwsim0', name, wt)
|
|
if os.path.exists(os.path.join(args.logdir, 'fst-wpa_supplicant')):
|
|
rename_log(args.logdir, 'fst-wpa_supplicant', name, None)
|
|
if os.path.exists(os.path.join(args.logdir, 'fst-hostapd')):
|
|
rename_log(args.logdir, 'fst-hostapd', name, None)
|
|
if os.path.exists(os.path.join(args.logdir, 'wmediumd.log')):
|
|
rename_log(args.logdir, 'wmediumd.log', name, None)
|
|
|
|
end = datetime.now()
|
|
diff = end - start
|
|
|
|
if result == 'PASS' and args.dmesg:
|
|
if not check_kernel(os.path.join(args.logdir, name + '.dmesg')):
|
|
logger.info("Kernel issue found in dmesg - mark test failed")
|
|
result = 'FAIL'
|
|
|
|
if result == 'PASS':
|
|
passed.append(name)
|
|
elif result == 'SKIP':
|
|
skipped.append(name)
|
|
else:
|
|
failed.append(name)
|
|
|
|
report(conn, args.prefill, args.build, args.commit, run, name, result,
|
|
diff.total_seconds(), args.logdir)
|
|
result = "{} {} {} {}".format(result, name, diff.total_seconds(), end)
|
|
logger.info(result)
|
|
if args.loglevel == logging.WARNING:
|
|
print result
|
|
sys.stdout.flush()
|
|
|
|
if not reset_ok:
|
|
print "Terminating early due to device reset failure"
|
|
break
|
|
if args.stdin_ctrl:
|
|
set_term_echo(sys.stdin.fileno(), True)
|
|
|
|
if log_handler:
|
|
log_handler.stream.close()
|
|
logger.removeHandler(log_handler)
|
|
file_name = os.path.join(args.logdir, 'run-tests.log')
|
|
log_handler = logging.FileHandler(file_name)
|
|
log_handler.setLevel(logging.DEBUG)
|
|
log_handler.setFormatter(log_formatter)
|
|
logger.addHandler(log_handler)
|
|
|
|
if conn:
|
|
conn.close()
|
|
|
|
if len(failed):
|
|
logger.info("passed {} test case(s)".format(len(passed)))
|
|
logger.info("skipped {} test case(s)".format(len(skipped)))
|
|
logger.info("failed tests: " + ' '.join(failed))
|
|
if args.loglevel == logging.WARNING:
|
|
print "failed tests: " + ' '.join(failed)
|
|
sys.exit(1)
|
|
logger.info("passed all {} test case(s)".format(len(passed)))
|
|
if len(skipped):
|
|
logger.info("skipped {} test case(s)".format(len(skipped)))
|
|
if args.loglevel == logging.WARNING:
|
|
print "passed all {} test case(s)".format(len(passed))
|
|
if len(skipped):
|
|
print "skipped {} test case(s)".format(len(skipped))
|
|
|
|
if __name__ == "__main__":
|
|
main()
|