[NS A10] Cleanup
Reap networks after all networks have been rematched.
Bug: 113554781
Test: ConnectivityServiceTest
Change-Id: I195d894e702f1c738ea25596704ea73a3ae55031
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 161b10a..7d7104c 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -6339,10 +6339,6 @@
// - Tears down newNetwork if it just became validated
// but turns out to be unneeded.
//
- // - If reapUnvalidatedNetworks==REAP, tears down unvalidated
- // networks that have no chance (i.e. even if validated)
- // of becoming the highest scoring network.
- //
// NOTE: This function only adds NetworkRequests that "newNetwork" could satisfy,
// it does not remove NetworkRequests that other Networks could better satisfy.
// If you need to handle decreases in score, use {@link rematchAllNetworksAndRequests}.
@@ -6350,11 +6346,8 @@
// as it performs better by a factor of the number of Networks.
//
// @param newNetwork is the network to be matched against NetworkRequests.
- // @param reapUnvalidatedNetworks indicates if an additional pass over all networks should be
- // performed to tear down unvalidated networks that have no chance (i.e. even if
- // validated) of becoming the highest scoring network.
- private void rematchNetworkAndRequests(NetworkAgentInfo newNetwork,
- ReapUnvalidatedNetworks reapUnvalidatedNetworks, long now) {
+ // @param now the time the rematch starts, as returned by SystemClock.elapsedRealtime();
+ private void rematchNetworkAndRequests(NetworkAgentInfo newNetwork, long now) {
ensureRunningOnConnectivityServiceThread();
if (!newNetwork.everConnected) return;
boolean keep = newNetwork.isVPN();
@@ -6553,25 +6546,6 @@
mLegacyTypeTracker.add(TYPE_VPN, newNetwork);
}
}
- if (reapUnvalidatedNetworks == ReapUnvalidatedNetworks.REAP) {
- for (NetworkAgentInfo nai : mNetworkAgentInfos.values()) {
- if (unneeded(nai, UnneededFor.TEARDOWN)) {
- if (nai.getLingerExpiry() > 0) {
- // This network has active linger timers and no requests, but is not
- // lingering. Linger it.
- //
- // One way (the only way?) this can happen if this network is unvalidated
- // and became unneeded due to another network improving its score to the
- // point where this network will no longer be able to satisfy any requests
- // even if it validates.
- updateLingerState(nai, now);
- } else {
- if (DBG) log("Reaping " + nai.name());
- teardownUnneededNetwork(nai);
- }
- }
- }
- }
}
/**
@@ -6592,13 +6566,24 @@
// callbacks and inadvertently unlinger networks.
Arrays.sort(nais);
for (NetworkAgentInfo nai : nais) {
- rematchNetworkAndRequests(nai,
- // Only reap the last time through the loop. Reaping before all rematching
- // is complete could incorrectly teardown a network that hasn't yet been
- // rematched.
- (nai != nais[nais.length - 1]) ? ReapUnvalidatedNetworks.DONT_REAP
- : ReapUnvalidatedNetworks.REAP,
- now);
+ rematchNetworkAndRequests(nai, now);
+ }
+ for (NetworkAgentInfo nai : mNetworkAgentInfos.values()) {
+ if (unneeded(nai, UnneededFor.TEARDOWN)) {
+ if (nai.getLingerExpiry() > 0) {
+ // This network has active linger timers and no requests, but is not
+ // lingering. Linger it.
+ //
+ // One way (the only way?) this can happen if this network is unvalidated
+ // and became unneeded due to another network improving its score to the
+ // point where this network will no longer be able to satisfy any requests
+ // even if it validates.
+ updateLingerState(nai, now);
+ } else {
+ if (DBG) log("Reaping " + nai.name());
+ teardownUnneededNetwork(nai);
+ }
+ }
}
}