[NS A17] Update linger state after rematching.
Test: FrameworksNetTests NetworkStackTests
Change-Id: I720a1feb89088aa123201ef5867de444234343e8
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 1d5016e..245c7c7 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -6486,15 +6486,6 @@
// do this after the default net is switched, but
// before LegacyTypeTracker sends legacy broadcasts
for (NetworkRequestInfo nri : addedRequests) notifyNetworkAvailable(newNetwork, nri);
-
- // Linger any networks that are no longer needed. This should be done after sending the
- // available callback for newNetwork.
- for (NetworkAgentInfo nai : removedRequests) {
- updateLingerState(nai, now);
- }
- // Possibly unlinger newNetwork. Unlingering a network does not send any callbacks so it
- // does not need to be done in any particular order.
- updateLingerState(newNetwork, now);
}
/**
@@ -6514,14 +6505,23 @@
new NetworkAgentInfo[mNetworkAgentInfos.size()]);
// Rematch higher scoring networks first to prevent requests first matching a lower
// scoring network and then a higher scoring network, which could produce multiple
- // callbacks and inadvertently unlinger networks.
+ // callbacks.
Arrays.sort(nais);
- for (NetworkAgentInfo nai : nais) {
+ for (final NetworkAgentInfo nai : nais) {
rematchNetworkAndRequests(nai, now);
}
final NetworkAgentInfo newDefaultNetwork = getDefaultNetwork();
+ for (final NetworkAgentInfo nai : nais) {
+ // Rematching may have altered the linger state of some networks, so update all linger
+ // timers. updateLingerState reads the state from the network agent and does nothing
+ // if the state has not changed : the source of truth is controlled with
+ // NetworkAgentInfo#lingerRequest and NetworkAgentInfo#unlingerRequest, which have been
+ // called while rematching the individual networks above.
+ updateLingerState(nai, now);
+ }
+
updateLegacyTypeTrackerAndVpnLockdownForRematch(oldDefaultNetwork, newDefaultNetwork, nais);
// Tear down all unneeded networks.
diff --git a/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java b/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
index 24a5b7f..bb7f862 100644
--- a/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
+++ b/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
@@ -580,7 +580,7 @@
// semantics of WakeupMessage guarantee that if cancel is called then the alarm will
// never call its callback (handleLingerComplete), even if it has already fired.
// WakeupMessage makes no such guarantees about rescheduling a message, so if mLingerMessage
- // has already been dispatched, rescheduling to some time in the future it won't stop it
+ // has already been dispatched, rescheduling to some time in the future won't stop it
// from calling its callback immediately.
if (mLingerMessage != null) {
mLingerMessage.cancel();