Merge "updateSupportedDownstreams when tethering allowed is changed"
diff --git a/Tethering/src/com/android/networkstack/tethering/Tethering.java b/Tethering/src/com/android/networkstack/tethering/Tethering.java
index 5191bb7..0d1b22e 100644
--- a/Tethering/src/com/android/networkstack/tethering/Tethering.java
+++ b/Tethering/src/com/android/networkstack/tethering/Tethering.java
@@ -97,6 +97,7 @@
import android.net.TetheringInterface;
import android.net.TetheringManager.TetheringRequest;
import android.net.TetheringRequestParcel;
+import android.net.Uri;
import android.net.ip.IpServer;
import android.net.wifi.WifiClient;
import android.net.wifi.WifiManager;
@@ -343,9 +344,8 @@
mEntitlementMgr.reevaluateSimCardProvisioning(mConfig);
});
- mSettingsObserver = new SettingsObserver(mHandler);
- mContext.getContentResolver().registerContentObserver(
- Settings.Global.getUriFor(TETHER_FORCE_USB_FUNCTIONS), false, mSettingsObserver);
+ mSettingsObserver = new SettingsObserver(mContext, mHandler);
+ mSettingsObserver.startObserve();
mStateReceiver = new StateReceiver();
@@ -397,18 +397,42 @@
}
private class SettingsObserver extends ContentObserver {
- SettingsObserver(Handler handler) {
+ private final Uri mForceUsbFunctions;
+ private final Uri mTetherSupported;
+ private final Context mContext;
+
+ SettingsObserver(Context ctx, Handler handler) {
super(handler);
+ mContext = ctx;
+ mForceUsbFunctions = Settings.Global.getUriFor(TETHER_FORCE_USB_FUNCTIONS);
+ mTetherSupported = Settings.Global.getUriFor(Settings.Global.TETHER_SUPPORTED);
+ }
+
+ public void startObserve() {
+ mContext.getContentResolver().registerContentObserver(mForceUsbFunctions, false, this);
+ mContext.getContentResolver().registerContentObserver(mTetherSupported, false, this);
}
@Override
public void onChange(boolean selfChange) {
- mLog.i("OBSERVED Settings change");
- final boolean isUsingNcm = mConfig.isUsingNcm();
- updateConfiguration();
- if (isUsingNcm != mConfig.isUsingNcm()) {
- stopTetheringInternal(TETHERING_USB);
- stopTetheringInternal(TETHERING_NCM);
+ Log.wtf(TAG, "Should never be reached.");
+ }
+
+ @Override
+ public void onChange(boolean selfChange, Uri uri) {
+ if (mForceUsbFunctions.equals(uri)) {
+ mLog.i("OBSERVED TETHER_FORCE_USB_FUNCTIONS settings change");
+ final boolean isUsingNcm = mConfig.isUsingNcm();
+ updateConfiguration();
+ if (isUsingNcm != mConfig.isUsingNcm()) {
+ stopTetheringInternal(TETHERING_USB);
+ stopTetheringInternal(TETHERING_NCM);
+ }
+ } else if (mTetherSupported.equals(uri)) {
+ mLog.i("OBSERVED TETHER_SUPPORTED settings change");
+ updateSupportedDownstreams(mConfig);
+ } else {
+ mLog.e("Unexpected settings change: " + uri);
}
}
}
@@ -1322,7 +1346,9 @@
}
private void handleUserRestrictionAction() {
- mTetheringRestriction.onUserRestrictionsChanged();
+ if (mTetheringRestriction.onUserRestrictionsChanged()) {
+ updateSupportedDownstreams(mConfig);
+ }
}
private void handleDataSaverChanged() {
@@ -1350,6 +1376,8 @@
return getTetheredIfaces().length > 0;
}
+ // TODO: Refine TetheringTest then remove UserRestrictionActionListener class and handle
+ // onUserRestrictionsChanged inside Tethering#handleUserRestrictionAction directly.
@VisibleForTesting
protected static class UserRestrictionActionListener {
private final UserManager mUserMgr;
@@ -1365,7 +1393,8 @@
mDisallowTethering = false;
}
- public void onUserRestrictionsChanged() {
+ // return whether tethering disallowed is changed.
+ public boolean onUserRestrictionsChanged() {
// getUserRestrictions gets restriction for this process' user, which is the primary
// user. This is fine because DISALLOW_CONFIG_TETHERING can only be set on the primary
// user. See UserManager.DISALLOW_CONFIG_TETHERING.
@@ -1376,15 +1405,13 @@
mDisallowTethering = newlyDisallowed;
final boolean tetheringDisallowedChanged = (newlyDisallowed != prevDisallowed);
- if (!tetheringDisallowedChanged) {
- return;
- }
+ if (!tetheringDisallowedChanged) return false;
if (!newlyDisallowed) {
// Clear the restricted notification when user is allowed to have tethering
// function.
mNotificationUpdater.tetheringRestrictionLifted();
- return;
+ return true;
}
if (mTethering.isTetheringActive()) {
@@ -1395,6 +1422,8 @@
// Untether from all downstreams since tethering is disallowed.
mTethering.untetherAll();
}
+
+ return true;
// TODO(b/148139325): send tetheringSupported on restriction change
}
}
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
index 66ad167..a36d67f 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
@@ -2899,9 +2899,13 @@
}
private void forceUsbTetheringUse(final int function) {
- Settings.Global.putInt(mContentResolver, TETHER_FORCE_USB_FUNCTIONS, function);
+ setSetting(TETHER_FORCE_USB_FUNCTIONS, function);
+ }
+
+ private void setSetting(final String key, final int value) {
+ Settings.Global.putInt(mContentResolver, key, value);
final ContentObserver observer = mTethering.getSettingsObserverForTest();
- observer.onChange(false /* selfChange */);
+ observer.onChange(false /* selfChange */, Settings.Global.getUriFor(key));
mLooper.dispatchAll();
}
@@ -2957,74 +2961,86 @@
TETHERING_WIFI_P2P, TETHERING_BLUETOOTH, TETHERING_ETHERNET });
}
+ private void setUserRestricted(boolean restricted) {
+ final Bundle restrictions = new Bundle();
+ restrictions.putBoolean(UserManager.DISALLOW_CONFIG_TETHERING, restricted);
+ when(mUserManager.getUserRestrictions()).thenReturn(restrictions);
+ when(mUserManager.hasUserRestriction(
+ UserManager.DISALLOW_CONFIG_TETHERING)).thenReturn(restricted);
+
+ final Intent intent = new Intent(UserManager.ACTION_USER_RESTRICTIONS_CHANGED);
+ mServiceContext.sendBroadcastAsUser(intent, UserHandle.ALL);
+ mLooper.dispatchAll();
+ }
+
@Test
public void testTetheringSupported() throws Exception {
final ArraySet<Integer> expectedTypes = getAllSupportedTetheringTypes();
// Check tethering is supported after initialization.
- setTetheringSupported(true /* supported */);
TestTetheringEventCallback callback = new TestTetheringEventCallback();
mTethering.registerTetheringEventCallback(callback);
mLooper.dispatchAll();
- updateConfigAndVerifySupported(callback, expectedTypes);
+ verifySupported(callback, expectedTypes);
- // Could disable tethering supported by settings.
- Settings.Global.putInt(mContentResolver, Settings.Global.TETHER_SUPPORTED, 0);
- updateConfigAndVerifySupported(callback, new ArraySet<>());
+ // Could change tethering supported by settings.
+ setSetting(Settings.Global.TETHER_SUPPORTED, 0);
+ verifySupported(callback, new ArraySet<>());
+ setSetting(Settings.Global.TETHER_SUPPORTED, 1);
+ verifySupported(callback, expectedTypes);
- // Could disable tethering supported by user restriction.
- setTetheringSupported(true /* supported */);
- updateConfigAndVerifySupported(callback, expectedTypes);
- when(mUserManager.hasUserRestriction(
- UserManager.DISALLOW_CONFIG_TETHERING)).thenReturn(true);
- updateConfigAndVerifySupported(callback, new ArraySet<>());
+ // Could change tethering supported by user restriction.
+ setUserRestricted(true /* restricted */);
+ verifySupported(callback, new ArraySet<>());
+ setUserRestricted(false /* restricted */);
+ verifySupported(callback, expectedTypes);
- // Tethering is supported if it has any supported downstream.
- setTetheringSupported(true /* supported */);
- updateConfigAndVerifySupported(callback, expectedTypes);
// Usb tethering is not supported:
expectedTypes.remove(TETHERING_USB);
when(mResources.getStringArray(R.array.config_tether_usb_regexs))
.thenReturn(new String[0]);
- updateConfigAndVerifySupported(callback, expectedTypes);
+ sendConfigurationChanged();
+ verifySupported(callback, expectedTypes);
// Wifi tethering is not supported:
expectedTypes.remove(TETHERING_WIFI);
when(mResources.getStringArray(R.array.config_tether_wifi_regexs))
.thenReturn(new String[0]);
- updateConfigAndVerifySupported(callback, expectedTypes);
+ sendConfigurationChanged();
+ verifySupported(callback, expectedTypes);
// Bluetooth tethering is not supported:
expectedTypes.remove(TETHERING_BLUETOOTH);
when(mResources.getStringArray(R.array.config_tether_bluetooth_regexs))
.thenReturn(new String[0]);
if (isAtLeastT()) {
- updateConfigAndVerifySupported(callback, expectedTypes);
+ sendConfigurationChanged();
+ verifySupported(callback, expectedTypes);
// P2p tethering is not supported:
expectedTypes.remove(TETHERING_WIFI_P2P);
when(mResources.getStringArray(R.array.config_tether_wifi_p2p_regexs))
.thenReturn(new String[0]);
- updateConfigAndVerifySupported(callback, expectedTypes);
+ sendConfigurationChanged();
+ verifySupported(callback, expectedTypes);
// Ncm tethering is not supported:
expectedTypes.remove(TETHERING_NCM);
when(mResources.getStringArray(R.array.config_tether_ncm_regexs))
.thenReturn(new String[0]);
- updateConfigAndVerifySupported(callback, expectedTypes);
+ sendConfigurationChanged();
+ verifySupported(callback, expectedTypes);
// Ethernet tethering (last supported type) is not supported:
expectedTypes.remove(TETHERING_ETHERNET);
mForceEthernetServiceUnavailable = true;
- updateConfigAndVerifySupported(callback, new ArraySet<>());
-
+ sendConfigurationChanged();
+ verifySupported(callback, new ArraySet<>());
} else {
// If wifi, usb and bluetooth are all not supported, all the types are not supported.
- expectedTypes.clear();
- updateConfigAndVerifySupported(callback, expectedTypes);
+ sendConfigurationChanged();
+ verifySupported(callback, new ArraySet<>());
}
}
- private void updateConfigAndVerifySupported(final TestTetheringEventCallback callback,
+ private void verifySupported(final TestTetheringEventCallback callback,
final ArraySet<Integer> expectedTypes) {
- sendConfigurationChanged();
-
assertEquals(expectedTypes.size() > 0, mTethering.isTetheringSupported());
callback.expectSupportedTetheringTypes(expectedTypes);
}