hostap/tests/hwsim/test_autoscan.py

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# autoscan tests
# Copyright (c) 2014, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import time
import logging
logger = logging.getLogger()
import os
import hostapd
def test_autoscan_periodic(dev, apdev):
"""autoscan_periodic"""
hostapd.add_ap(apdev[0]['ifname'], { "ssid": "autoscan" })
try:
if "OK" not in dev[0].request("AUTOSCAN periodic:1"):
raise Exception("Failed to set autoscan")
dev[0].connect("not-used", key_mgmt="NONE", scan_freq="2412",
wait_connect=False)
times = {}
for i in range(0, 3):
logger.info("Waiting for scan to start")
start = os.times()[4]
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=5)
if ev is None:
raise Exception("did not start a scan")
stop = os.times()[4]
times[i] = stop - start
logger.info("Waiting for scan to complete")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 10)
if ev is None:
raise Exception("did not complete a scan")
if times[0] > 1 or times[1] < 0.5 or times[1] > 1.5 or times[2] < 0.5 or times[2] > 1.5:
raise Exception("Unexpected scan timing: " + str(times))
finally:
dev[0].request("AUTOSCAN ")
def test_autoscan_exponential(dev, apdev):
"""autoscan_exponential"""
hostapd.add_ap(apdev[0]['ifname'], { "ssid": "autoscan" })
try:
if "OK" not in dev[0].request("AUTOSCAN exponential:2:10"):
raise Exception("Failed to set autoscan")
dev[0].connect("not-used", key_mgmt="NONE", scan_freq="2412",
wait_connect=False)
times = {}
for i in range(0, 3):
logger.info("Waiting for scan to start")
start = os.times()[4]
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=5)
if ev is None:
raise Exception("did not start a scan")
stop = os.times()[4]
times[i] = stop - start
logger.info("Waiting for scan to complete")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 10)
if ev is None:
raise Exception("did not complete a scan")
if times[0] > 1 or times[1] < 1 or times[1] > 3 or times[2] < 3 or times[2] > 5:
raise Exception("Unexpected scan timing: " + str(times))
finally:
dev[0].request("AUTOSCAN ")