Support Satellite Network Preferred uid's multi layer request
- Implement handleSetSatelliteNetworkPreference() at ConnectivityService
to create multi layer request with preference order
PREFERENCE_ORDER_SATELLITE_FALLBACK.
- unit test coverage
Bug: 320514105
Test: m and atest FrameworksNetTests
Change-Id: I3f71104f8c3c998599eaab71ae4076985f4bed77
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index 0974e4b..1c92488 100755
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -338,6 +338,7 @@
import com.android.server.connectivity.ProxyTracker;
import com.android.server.connectivity.QosCallbackTracker;
import com.android.server.connectivity.RoutingCoordinatorService;
+import com.android.server.connectivity.SatelliteAccessController;
import com.android.server.connectivity.UidRangeUtils;
import com.android.server.connectivity.VpnNetworkPreferenceInfo;
import com.android.server.connectivity.wear.CompanionDeviceManagerProxyService;
@@ -375,6 +376,7 @@
import java.util.TreeSet;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
+import java.util.function.Consumer;
/**
* @hide
@@ -566,6 +568,10 @@
// See {@link ConnectivitySettingsManager#setMobileDataPreferredUids}
@VisibleForTesting
static final int PREFERENCE_ORDER_MOBILE_DATA_PREFERERRED = 30;
+ // Order of setting satellite network preference fallback when default message application
+ // with role_sms role and android.permission.SATELLITE_COMMUNICATION permission detected
+ @VisibleForTesting
+ static final int PREFERENCE_ORDER_SATELLITE_FALLBACK = 40;
// Preference order that signifies the network shouldn't be set as a default network for
// the UIDs, only give them access to it. TODO : replace this with a boolean
// in NativeUidRangeConfig
@@ -929,6 +935,7 @@
private final QosCallbackTracker mQosCallbackTracker;
private final NetworkNotificationManager mNotifier;
private final LingerMonitor mLingerMonitor;
+ private final SatelliteAccessController mSatelliteAccessController;
// sequence number of NetworkRequests
private int mNextNetworkRequestId = NetworkRequest.FIRST_REQUEST_ID;
@@ -1527,6 +1534,18 @@
}
/**
+ * @see SatelliteAccessController
+ */
+ @Nullable
+ public SatelliteAccessController makeSatelliteAccessController(
+ @NonNull final Context context,
+ Consumer<Set<Integer>> updateSatelliteNetworkFallbackUidCallback,
+ @NonNull final Handler connectivityServiceInternalHandler) {
+ return new SatelliteAccessController(context, updateSatelliteNetworkFallbackUidCallback,
+ connectivityServiceInternalHandler);
+ }
+
+ /**
* @see DeviceConfigUtils#isTetheringFeatureEnabled
*/
public boolean isFeatureEnabled(Context context, String name) {
@@ -1795,6 +1814,15 @@
mContext, mTelephonyManager, mRequestRestrictedWifiEnabled,
mCarrierPrivilegesLostListenerImpl);
+ if (mDeps.isAtLeastU()
+ && mDeps
+ .isFeatureNotChickenedOut(mContext, ALLOW_SATALLITE_NETWORK_FALLBACK)) {
+ mSatelliteAccessController = mDeps.makeSatelliteAccessController(
+ mContext, this::updateSatelliteNetworkPreferenceUids, mHandler);
+ } else {
+ mSatelliteAccessController = null;
+ }
+
// To ensure uid state is synchronized with Network Policy, register for
// NetworkPolicyManagerService events must happen prior to NetworkPolicyManagerService
// reading existing policy from disk.
@@ -2063,6 +2091,18 @@
new Pair<>(network, proxyInfo)).sendToTarget();
}
+ /**
+ * Called when satellite network fallback uids at {@link SatelliteAccessController}
+ * cache was updated based on {@link
+ * android.app.role.OnRoleHoldersChangedListener#onRoleHoldersChanged(String, UserHandle)},
+ * to create multilayer request with preference order
+ * {@link #PREFERENCE_ORDER_SATELLITE_FALLBACK} there on.
+ *
+ */
+ private void updateSatelliteNetworkPreferenceUids(Set<Integer> satelliteNetworkFallbackUids) {
+ handleSetSatelliteNetworkPreference(satelliteNetworkFallbackUids);
+ }
+
private void handleAlwaysOnNetworkRequest(
NetworkRequest networkRequest, String settingName, boolean defaultValue) {
final boolean enable = toBool(Settings.Global.getInt(
@@ -3405,6 +3445,9 @@
public static final String LOG_BPF_RC = "log_bpf_rc_force_disable";
+ public static final String ALLOW_SATALLITE_NETWORK_FALLBACK =
+ "allow_satallite_network_fallback";
+
private void enforceInternetPermission() {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.INTERNET,
@@ -3771,6 +3814,10 @@
updateMobileDataPreferredUids();
}
+ if (mSatelliteAccessController != null) {
+ mSatelliteAccessController.start();
+ }
+
// On T+ devices, register callback for statsd to pull NETWORK_BPF_MAP_INFO atom
if (mDeps.isAtLeastT()) {
mBpfNetMaps.setPullAtomCallback(mContext);
@@ -12759,16 +12806,27 @@
@VisibleForTesting
@NonNull
- ArraySet<NetworkRequestInfo> createNrisFromMobileDataPreferredUids(
- @NonNull final Set<Integer> uids) {
+ ArraySet<NetworkRequestInfo> createNrisForPreferenceOrder(@NonNull final Set<Integer> uids,
+ @NonNull final List<NetworkRequest> requests,
+ final int preferenceOrder) {
final ArraySet<NetworkRequestInfo> nris = new ArraySet<>();
if (uids.size() == 0) {
// Should not create NetworkRequestInfo if no preferences. Without uid range in
// NetworkRequestInfo, makeDefaultForApps() would treat it as a illegal NRI.
- if (DBG) log("Don't create NetworkRequestInfo because no preferences");
return nris;
}
+ final Set<UidRange> ranges = new ArraySet<>();
+ for (final int uid : uids) {
+ ranges.add(new UidRange(uid, uid));
+ }
+ setNetworkRequestUids(requests, ranges);
+ nris.add(new NetworkRequestInfo(Process.myUid(), requests, preferenceOrder));
+ return nris;
+ }
+
+ ArraySet<NetworkRequestInfo> createNrisFromMobileDataPreferredUids(
+ @NonNull final Set<Integer> uids) {
final List<NetworkRequest> requests = new ArrayList<>();
// The NRI should be comprised of two layers:
// - The request for the mobile network preferred.
@@ -12777,14 +12835,28 @@
TRANSPORT_CELLULAR, NetworkRequest.Type.REQUEST));
requests.add(createDefaultInternetRequestForTransport(
TYPE_NONE, NetworkRequest.Type.TRACK_DEFAULT));
- final Set<UidRange> ranges = new ArraySet<>();
- for (final int uid : uids) {
- ranges.add(new UidRange(uid, uid));
- }
- setNetworkRequestUids(requests, ranges);
- nris.add(new NetworkRequestInfo(Process.myUid(), requests,
- PREFERENCE_ORDER_MOBILE_DATA_PREFERERRED));
- return nris;
+ return createNrisForPreferenceOrder(uids, requests, PREFERENCE_ORDER_MOBILE_DATA_PREFERERRED
+ );
+ }
+
+ ArraySet<NetworkRequestInfo> createMultiLayerNrisFromSatelliteNetworkFallbackUids(
+ @NonNull final Set<Integer> uids) {
+ final List<NetworkRequest> requests = new ArrayList<>();
+
+ // request: track default(unrestricted internet network)
+ requests.add(createDefaultInternetRequestForTransport(
+ TYPE_NONE, NetworkRequest.Type.TRACK_DEFAULT));
+
+ // request: restricted Satellite internet
+ final NetworkCapabilities cap = new NetworkCapabilities.Builder()
+ .addCapability(NET_CAPABILITY_INTERNET)
+ .addCapability(NET_CAPABILITY_NOT_VCN_MANAGED)
+ .removeCapability(NET_CAPABILITY_NOT_RESTRICTED)
+ .addTransportType(NetworkCapabilities.TRANSPORT_SATELLITE)
+ .build();
+ requests.add(createNetworkRequest(NetworkRequest.Type.REQUEST, cap));
+
+ return createNrisForPreferenceOrder(uids, requests, PREFERENCE_ORDER_SATELLITE_FALLBACK);
}
private void handleMobileDataPreferredUidsChanged() {
@@ -12796,6 +12868,16 @@
rematchAllNetworksAndRequests();
}
+ private void handleSetSatelliteNetworkPreference(
+ @NonNull final Set<Integer> satelliteNetworkPreferredUids) {
+ removeDefaultNetworkRequestsForPreference(PREFERENCE_ORDER_SATELLITE_FALLBACK);
+ addPerAppDefaultNetworkRequests(
+ createMultiLayerNrisFromSatelliteNetworkFallbackUids(satelliteNetworkPreferredUids)
+ );
+ // Finally, rematch.
+ rematchAllNetworksAndRequests();
+ }
+
private void handleIngressRateLimitChanged() {
final long oldIngressRateLimit = mIngressRateLimit;
mIngressRateLimit = ConnectivitySettingsManager.getIngressRateLimitInBytesPerSecond(