298 lines
11 KiB
Python
298 lines
11 KiB
Python
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# Copyright 2019 - The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import math
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import os
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import time
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import threading
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from acts import utils
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from acts import signals
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from acts import asserts
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from acts.controllers import attenuator
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from acts.controllers.sl4a_lib import rpc_client
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from acts.test_decorators import test_tracker_info
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from acts_contrib.test_utils.net.net_test_utils import start_tcpdump, stop_tcpdump
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from acts_contrib.test_utils.wifi import wifi_test_utils as wutils
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from acts_contrib.test_utils.wifi.wifi_test_utils import WifiEnums
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from acts_contrib.test_utils.wifi.WifiBaseTest import WifiBaseTest
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from acts.utils import stop_standing_subprocess
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TCPDUMP_PATH = '/data/local/tmp/tcpdump'
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class WifiIFSTwTest(WifiBaseTest):
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"""Tests for wifi IFS
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Test Bed Requirement:
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*One Android device
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*Two Visible Wi-Fi Access Points
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*One attenuator with 4 ports
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"""
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def setup_class(self):
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"""Setup required dependencies from config file and configure
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the required networks for testing roaming.
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Returns:
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True if successfully configured the requirements for testing.
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"""
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super().setup_class()
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self.simulation_thread_running = False
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self.atten_roaming_count = 0
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self.start_db = 30
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self.roaming_cycle_seconds = 20
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self.fail_count = 0
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self.retry_pass_count = 0
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self.ping_count = 0
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self.dut = self.android_devices[0]
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wutils.wifi_test_device_init(self.dut)
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req_params = ["attenuators", "ifs_params"]
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opt_param = []
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self.unpack_userparams(
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req_param_names=req_params, opt_param_names=opt_param)
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if "AccessPoint" in self.user_params:
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self.legacy_configure_ap_and_start(ap_count=2, same_ssid=True)
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wutils.wifi_toggle_state(self.dut, True)
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if "ifs_params" in self.user_params:
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self.attn_start_db = self.ifs_params[0]["start_db"]
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self.gateway = self.ifs_params[0]["gateway"]
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self.roaming_cycle_seconds = self.ifs_params[0][
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"roaming_cycle_seconds"]
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self.total_test_hour = self.ifs_params[0]["total_test_hour"]
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self.log_capture_period_hour = self.ifs_params[0][
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"log_capture_period_hour"]
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self.on_active_port = self.ifs_params[0]["on_active_port"]
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asserts.assert_true(
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len(self.on_active_port) == 2, "Need setup 2 port.")
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self.tcpdump_pid = None
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utils.set_location_service(self.dut, True)
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def setup_test(self):
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super().setup_test()
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self.dut.droid.wakeLockAcquireBright()
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self.dut.droid.wakeUpNow()
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self.dut.unlock_screen()
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self.tcpdump_pid = start_tcpdump(self.dut, self.test_name)
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def teardown_class(self):
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self.dut.ed.clear_all_events()
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def teardown_test(self):
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super().teardown_test()
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self.dut.droid.wakeLockRelease()
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self.dut.droid.goToSleepNow()
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wutils.reset_wifi(self.dut)
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def simulate_roaming(self):
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"""
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To simulate user move between ap1 and ap2:
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1. Move to ap2:
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Set ap1's signal attenuation gradually changed from 0 to max_db
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Set ap2's signal attenuation gradually changed from start_db to 0
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2. Then move to ap1:
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Set ap1's signal attenuation gradually changed from start_db to 0
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Set ap2's signal attenuation gradually changed from 0 to max_db
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* 0<start_db<max_db
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"""
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attn_max = 95
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attn_min = 0
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#on_active_port value should between [0-1,2-3]
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active_attenuator = {
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"1": self.attenuators[self.on_active_port[0]],
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"2": self.attenuators[self.on_active_port[1]]
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}
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for attenuator in self.attenuators:
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attenuator.set_atten(attn_max)
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self.simulation_thread_running = True
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while self.simulation_thread_running:
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active_attenuator["1"].set_atten(attn_min)
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active_attenuator["2"].set_atten(attn_max)
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self.log_attens()
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time.sleep(10)
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active_attenuator["2"].set_atten(self.start_db)
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self.log_attens()
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time.sleep(5)
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for i in range(self.roaming_cycle_seconds):
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db1 = math.ceil(attn_max / self.roaming_cycle_seconds *
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(i + 1))
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db2 = self.start_db - math.ceil(
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self.start_db / self.roaming_cycle_seconds * (i + 1))
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active_attenuator["1"].set_atten(db1)
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active_attenuator["2"].set_atten(db2)
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self.log_attens()
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time.sleep(1)
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active_attenuator["1"].set_atten(self.start_db)
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self.log_attens()
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time.sleep(5)
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for i in range(self.roaming_cycle_seconds):
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db1 = math.ceil(attn_max / self.roaming_cycle_seconds *
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(i + 1))
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db2 = self.start_db - math.ceil(
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self.start_db / self.roaming_cycle_seconds * (i + 1))
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active_attenuator["1"].set_atten(db2)
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active_attenuator["2"].set_atten(db1)
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self.log_attens()
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time.sleep(1)
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self.atten_roaming_count += 1
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def catch_log(self):
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"""Capture logs include bugreport, ANR, mount,ps,vendor,tcpdump"""
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self.log.info("Get log for regular capture.")
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file_name = time.strftime("%Y-%m-%d_%H:%M:%S", time.localtime())
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current_path = os.path.join(self.dut.log_path, file_name)
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os.makedirs(current_path, exist_ok=True)
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serial_number = self.dut.serial
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try:
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out = self.dut.adb.shell("bugreportz", timeout=240)
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if not out.startswith("OK"):
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raise AndroidDeviceError(
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'Failed to take bugreport on %s: %s' % (serial_number,
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out),
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serial=serial_number)
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br_out_path = out.split(':')[1].strip().split()[0]
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self.dut.adb.pull("%s %s" % (br_out_path, self.dut.log_path))
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self.dut.adb.pull("/data/anr {}".format(current_path), timeout=600)
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self.dut.adb._exec_adb_cmd("shell", "mount > {}".format(
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os.path.join(current_path, "mount.txt")))
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self.dut.adb._exec_adb_cmd("shell", "ps > {}".format(
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os.path.join(current_path, "ps.txt")))
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self.dut.adb.pull("/data/misc/logd {}".format(current_path))
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self.dut.adb.pull(
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"/data/vendor {}".format(current_path), timeout=800)
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stop_tcpdump(
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self.dut, self.tcpdump_pid, file_name, adb_pull_timeout=600)
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self.tcpdump_pid = start_tcpdump(self.dut, file_name)
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except TimeoutError as e:
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self.log.error(e)
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def http_request(self, url="https://www.google.com/"):
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"""Get the result via string from target url
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Args:
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url: target url to loading
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Returns:
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True if http_request pass
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"""
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self.ping_count += 1
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try:
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self.dut.droid.httpRequestString(url)
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self.log.info("httpRequest Finish")
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time.sleep(1)
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return True
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except rpc_client.Sl4aApiError as e:
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self.log.warning("httpRequest Fail.")
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self.log.warning(e)
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# Set check delay if http request fail during device roaming.
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# Except finish roaming within 10s.
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time.sleep(10)
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self.log.warning("Ping Google DNS response : {}".format(
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self.can_ping("8.8.8.8")))
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for gate in self.gateway:
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ping_result = self.can_ping(gate)
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self.log.warning("Ping AP Gateway[{}] response : {}".format(
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gate, ping_result))
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if ping_result:
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self.retry_pass_count += 1
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return True
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self.fail_count += 1
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return False
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def log_attens(self):
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"""Log DB from channels"""
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attenuation = ', '.join('{:>5.2f}dB '.format(atten.get_atten())
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for atten in self.attenuators)
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self.log.debug('[Attenuation] %s', attenuation)
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def can_ping(self, ip_addr):
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"""A function to check ping pass.
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Args:
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ip_addr: target ip address to ping
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Returns:
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True if ping pass
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"""
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ping_result = self.dut.adb.shell("ping -c 1 {}".format(ip_addr))
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return '0%' in ping_result.split(' ')
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def browsing_test(self, stress_hour_time):
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"""Continue stress http_request and capture log if any fail
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Args:
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stress_hour_time: hour of time to stress http_request
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"""
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t = threading.Thread(target=self.simulate_roaming)
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t.start()
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start_time = time.time()
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http_request_failed = False
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while time.time() < start_time + stress_hour_time * 3600:
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if not self.http_request():
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http_request_failed = True
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self.simulation_thread_running = False
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t.join()
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if http_request_failed:
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self.catch_log()
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else:
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stop_standing_subprocess(self.tcpdump_pid)
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file_name = time.strftime("%Y-%m-%d_%H:%M:%S", time.localtime())
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self.tcpdump_pid = start_tcpdump(self.dut, file_name)
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def test_roaming(self):
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network = self.reference_networks[0]["2g"]
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wutils.connect_to_wifi_network(self.dut, network)
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time.sleep(10)
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test_time_slot = int(
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self.total_test_hour / self.log_capture_period_hour)
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edge_time_slot = int(
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self.total_test_hour % self.log_capture_period_hour)
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for i in range(test_time_slot):
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self.browsing_test(self.log_capture_period_hour)
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if edge_time_slot:
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self.browsing_test(edge_time_slot)
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self.log.info("Total roaming times: {}".format(
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self.atten_roaming_count))
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self.log.info("Total ping times: {}".format(self.ping_count))
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self.log.info("Retry pass times: {}".format(self.retry_pass_count))
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self.log.info("Total fail times: {}".format(self.fail_count))
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if self.fail_count:
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signals.TestFailure(
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'Find roaming fail condition',
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extras={
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'Roaming fail times': self.fail_count
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})
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