51         for ad in self.android_devices:
52             nutils.verify_lte_data_and_tethering_supported(ad)
58         for ad in self.android_devices:
59             sub_id = str(ad.droid.telephonyGetSubscriberId())
60             ad.droid.connectivityFactoryResetNetworkPolicies(sub_id)
61             ad.droid.connectivitySetDataWarningLimit(sub_id, -1)
62             wutils.reset_wifi(ad)
75     def _clear_netstats(self, ad):  argument
81         ad.log.info("Clear netstats record.")
82         ad.adb.shell("rm /data/system/netstats/*")
83         asserts.assert_equal("", ad.adb.shell("ls /data/system/netstats/"),
85         ad.reboot()
87         nutils.verify_lte_data_and_tethering_supported(ad)
88         self._check_multipath_preference_from_dumpsys(ad)
90     def _check_multipath_preference_from_dumpsys(self, ad):  argument
96         out = ad.adb.shell("dumpsys connectivity | grep budget")
98         ad.log.info("MultipathPolicyTracker: %s" % out)
104     def _get_total_data_usage_for_device(self, ad, conn_type, sub_id):  argument
119         data_usage = ad.droid.connectivityQuerySummaryForDevice(
139                                       ad,  argument
154             ad.droid.connectivityGetMultipathPreferenceForNetwork(wifi_network)
156             ad.droid.connectivityGetMultipathPreferenceForNetwork(cell_network)
176         ad = self.android_devices[0]
177         self.dut = ad
178         self._clear_netstats(ad)
179         self.tcpdump_pid = nutils.start_tcpdump(ad, self.test_name)
181         sub_id = str(ad.droid.telephonyGetSubscriberId())
182         cell_network = ad.droid.connectivityGetActiveNetwork()
184         wutils.wifi_connect(ad, self.wifi_network)
185         wifi_network = ad.droid.connectivityGetActiveNetwork()
190             ad, RELIABLE, RELIABLE, wifi_network, cell_network)
193         total_pre = self._get_total_data_usage_for_device(ad, 0, sub_id)
195         ad.droid.connectivitySetDataUsageLimit(
198         ad.droid.connectivitySetDataWarningLimit(
206                     ad, RELIABLE, NONE, wifi_network, cell_network)
224         ad = self.android_devices[1]
225         self.dut = ad
226         self._clear_netstats(ad)
227         self.tcpdump_pid = nutils.start_tcpdump(ad, self.test_name)
229         cell_network = ad.droid.connectivityGetActiveNetwork()
231         wutils.wifi_connect(ad, self.wifi_network)
232         wifi_network = ad.droid.connectivityGetActiveNetwork()
237             ad, RELIABLE, RELIABLE, wifi_network, cell_network)
240         ad.droid.connectivityNetworkOpenConnection(cell_network,
246         if _check_file_existance(ad, file_path):
248             ad.adb.shell("rm -rf %s%s" % (DOWNLOAD_PATH, file_name))
255                     ad, RELIABLE, NONE, wifi_network, cell_network)