7a70a7e0ed9e80a4f9080cf0771ea70affd095a2 - platform/frameworks/base

commit	7a70a7e0ed9e80a4f9080cf0771ea70affd095a2	[log] [tgz]
author	Chiachang Wang <chiachangwang@google.com>	Tue Nov 27 18:00:05 2018 +0800
committer	Chiachang Wang <chiachangwang@google.com>	Tue Nov 27 18:00:05 2018 +0800
tree	278c677a244e444b8ef85194fdcb2b3c3815e450
parent	a97bdb957f3526d03314bdc894a3632ca208777f [diff]

Data stall detection using DNS event

If dns resolver on a network get consecutively timeout then it
is a strong signal that the network is no longer usable.
Reevaluate the network once it's data stall suspected

Test: 1. runtest frameworks-net
      2. SettingsBackupTest passes
      2. Run on wifi w/o internet capability
Bug: 112653893, 113916551

Change-Id: I74287b174d933f97a91fa1529b1809856ac3b38d

core/java/android/net/metrics/NetworkEvent.java[diff]
core/java/android/provider/Settings.java[diff]
core/tests/coretests/src/android/provider/SettingsBackupTest.java[diff]
services/core/java/com/android/server/ConnectivityService.java[diff]
services/core/java/com/android/server/connectivity/NetworkMonitor.java[diff]
tests/net/java/com/android/server/connectivity/NetworkMonitorTest.java[diff]

6 files changed

tree: 278c677a244e444b8ef85194fdcb2b3c3815e450