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tests: BSS_EXPIRE_COUNT/AGE

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Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-04-12 17:16:07 +03:00
parent e4ac747c5f
commit b3ec107c8b
2 changed files with 47 additions and 1 deletions
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44
tests/hwsim/test_scan.py
View file

@ -106,3 +106,47 @@ def test_scan_external_trigger(dev, apdev):
bssid = apdev[0]['bssid'] bssid = apdev[0]['bssid']
subprocess.call(['sudo', 'iw', dev[0].ifname, 'scan', 'trigger']) subprocess.call(['sudo', 'iw', dev[0].ifname, 'scan', 'trigger'])
check_scan(dev[0], "use_id=1", other_started=True) check_scan(dev[0], "use_id=1", other_started=True)
def test_scan_bss_expiration_count(dev, apdev):
"""BSS entry expiration based on scan results without match"""
if "FAIL" not in dev[0].request("BSS_EXPIRE_COUNT 0"):
raise Exception("Invalid BSS_EXPIRE_COUNT accepted")
if "OK" not in dev[0].request("BSS_EXPIRE_COUNT 2"):
raise Exception("BSS_EXPIRE_COUNT failed")
hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
bssid = apdev[0]['bssid']
dev[0].scan(freq="2412", only_new=True)
if bssid not in dev[0].request("SCAN_RESULTS"):
raise Exception("BSS not found in initial scan")
hapd.request("DISABLE")
dev[0].scan(freq="2412", only_new=True)
if bssid not in dev[0].request("SCAN_RESULTS"):
raise Exception("BSS not found in first scan without match")
dev[0].scan(freq="2412", only_new=True)
if bssid in dev[0].request("SCAN_RESULTS"):
raise Exception("BSS found after two scans without match")
def test_scan_bss_expiration_age(dev, apdev):
"""BSS entry expiration based on age"""
try:
if "FAIL" not in dev[0].request("BSS_EXPIRE_AGE COUNT 9"):
raise Exception("Invalid BSS_EXPIRE_AGE accepted")
if "OK" not in dev[0].request("BSS_EXPIRE_AGE 10"):
raise Exception("BSS_EXPIRE_AGE failed")
hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
bssid = apdev[0]['bssid']
dev[0].scan(freq="2412")
if bssid not in dev[0].request("SCAN_RESULTS"):
raise Exception("BSS not found in initial scan")
hapd.request("DISABLE")
logger.info("Waiting for BSS entry to expire")
time.sleep(7)
if bssid not in dev[0].request("SCAN_RESULTS"):
raise Exception("BSS expired too quickly")
ev = dev[0].wait_event(["CTRL-EVENT-BSS-REMOVED"], timeout=15)
if ev is None:
raise Exception("BSS entry expiration timed out")
if bssid in dev[0].request("SCAN_RESULTS"):
raise Exception("BSS not removed after expiration time")
finally:
dev[0].request("BSS_EXPIRE_AGE 180")

4
tests/hwsim/wpasupplicant.py
View file

@ -675,13 +675,15 @@ class WpaSupplicant:
self.select_network(id) self.select_network(id)
return id return id
def scan(self, type=None, freq=None, no_wait=False): def scan(self, type=None, freq=None, no_wait=False, only_new=False):
if type: if type:
cmd = "SCAN TYPE=" + type cmd = "SCAN TYPE=" + type
else: else:
cmd = "SCAN" cmd = "SCAN"
if freq: if freq:
cmd = cmd + " freq=" + freq cmd = cmd + " freq=" + freq
if only_new:
cmd += " only_new=1"
if not no_wait: if not no_wait:
self.dump_monitor() self.dump_monitor()
if not "OK" in self.request(cmd): if not "OK" in self.request(cmd):