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Merge "Allow NetworkAgent "immutable updates" to NetworkCapabilities"

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am: b35719a057

Change-Id: I0ab76de59e87c46a6961229399ff7200bce49838
This commit is contained in:
Hugo Benichi
2017-08-16 11:50:55 +00:00
committed by android-build-merger
parent 9e59475003 1ebf219ed9
commit eea3a77efc
2 changed files with 7 additions and 4 deletions
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1
core/java/android/net/NetworkCapabilities.java
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@@ -770,7 +770,6 @@ public final class NetworkCapabilities implements Parcelable {
StringJoiner joiner = new StringJoiner(", ");
// TODO: consider only enforcing that capabilities are not removed, allowing addition.
// Ignore NOT_METERED being added or removed as it is effectively dynamic. http://b/63326103
// TODO: properly support NOT_METERED as a mutable and requestable capability.
final long mask = ~MUTABLE_CAPABILITIES & ~(1 << NET_CAPABILITY_NOT_METERED);

10
services/core/java/com/android/server/ConnectivityService.java
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@@ -4574,11 +4574,15 @@ public class ConnectivityService extends IConnectivityManager.Stub
*/
private void updateCapabilities(
int oldScore, NetworkAgentInfo nai, NetworkCapabilities networkCapabilities) {
// Sanity check: a NetworkAgent should not change its static capabilities or parameters.
if (nai.everConnected) {
// Once a NetworkAgent is connected, complain if some immutable capabilities are removed.
if (nai.everConnected &&
!nai.networkCapabilities.satisfiedByNetworkCapabilities(networkCapabilities)) {
// TODO: consider not complaining when a network agent degrade its capabilities if this
// does not cause any request (that is not a listen) currently matching that agent to
// stop being matched by the updated agent.
String diff = nai.networkCapabilities.describeImmutableDifferences(networkCapabilities);
if (!TextUtils.isEmpty(diff)) {
Slog.wtf(TAG, "BUG: " + nai + " changed immutable capabilities:" + diff);
Slog.wtf(TAG, "BUG: " + nai + " lost immutable capabilities:" + diff);
}
}