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Merge "Make isTetheringSupported respect all tethering downstreams"

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This commit is contained in:
Mark Chien
2022-03-07 05:56:20 +00:00
committed by Gerrit Code Review
parent edf80c2da8 259d5c08a8
commit 8dcc3000fd
3 changed files with 78 additions and 23 deletions
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32
Tethering/src/com/android/networkstack/tethering/Tethering.java
View File

@@ -1533,16 +1533,28 @@ public class Tethering {
return mConfig;
}
boolean hasTetherableConfiguration() {
final TetheringConfiguration cfg = mConfig;
final boolean hasDownstreamConfiguration =
(cfg.tetherableUsbRegexs.length != 0)
|| (cfg.tetherableWifiRegexs.length != 0)
|| (cfg.tetherableBluetoothRegexs.length != 0);
final boolean hasUpstreamConfiguration = !cfg.preferredUpstreamIfaceTypes.isEmpty()
|| cfg.chooseUpstreamAutomatically;
boolean hasAnySupportedDownstream() {
if ((mConfig.tetherableUsbRegexs.length != 0)
|| (mConfig.tetherableWifiRegexs.length != 0)
|| (mConfig.tetherableBluetoothRegexs.length != 0)) {
return true;
}
return hasDownstreamConfiguration && hasUpstreamConfiguration;
// Before T, isTetheringSupported would return true if wifi, usb and bluetooth tethering are
// disabled (whole tethering settings would be hidden). This means tethering would also not
// support wifi p2p, ethernet tethering and mirrorlink. This is wrong but probably there are
// some devices in the field rely on this to disable tethering entirely.
if (!SdkLevel.isAtLeastT()) return false;
return (mConfig.tetherableWifiP2pRegexs.length != 0)
|| (mConfig.tetherableNcmRegexs.length != 0)
|| isEthernetSupported();
}
// TODO: using EtherentManager new API to check whether ethernet is supported when the API is
// ready to use.
private boolean isEthernetSupported() {
return mContext.getSystemService(Context.ETHERNET_SERVICE) != null;
}
void setUsbTethering(boolean enable, IIntResultListener listener) {
@@ -2463,7 +2475,7 @@ public class Tethering {
final boolean tetherEnabledInSettings = tetherSupported
&& !mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_TETHERING);
return tetherEnabledInSettings && hasTetherableConfiguration()
return tetherEnabledInSettings && hasAnySupportedDownstream()
&& !isProvisioningNeededButUnavailable();
}

7
Tethering/src/com/android/networkstack/tethering/TetheringDependencies.java
View File

@@ -93,13 +93,6 @@ public abstract class TetheringDependencies {
*/
public abstract IpServer.Dependencies getIpServerDependencies();
/**
* Indicates whether tethering is supported on the device.
*/
public boolean isTetheringSupported() {
return true;
}
/**
* Get a reference to the EntitlementManager to be used by tethering.
*/

62
Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
View File

@@ -297,6 +297,7 @@ public class TetheringTest {
private TetheredInterfaceCallbackShim mTetheredInterfaceCallbackShim;
private TestConnectivityManager mCm;
private boolean mForceEthernetServiceUnavailable = false;
private class TestContext extends BroadcastInterceptingContext {
TestContext(Context base) {
@@ -331,7 +332,11 @@ public class TetheringTest {
if (Context.USER_SERVICE.equals(name)) return mUserManager;
if (Context.NETWORK_STATS_SERVICE.equals(name)) return mStatsManager;
if (Context.CONNECTIVITY_SERVICE.equals(name)) return mCm;
if (Context.ETHERNET_SERVICE.equals(name)) return mEm;
if (Context.ETHERNET_SERVICE.equals(name)) {
if (mForceEthernetServiceUnavailable) return null;
return mEm;
}
return super.getSystemService(name);
}
@@ -451,11 +456,6 @@ public class TetheringTest {
return mEntitleMgr;
}
@Override
public boolean isTetheringSupported() {
return true;
}
@Override
public TetheringConfiguration generateTetheringConfiguration(Context ctx, SharedLog log,
int subId) {
@@ -680,6 +680,7 @@ public class TetheringTest {
.thenReturn(new String[] {TEST_BT_REGEX});
when(mResources.getStringArray(R.array.config_tether_ncm_regexs))
.thenReturn(new String[] {TEST_NCM_REGEX});
when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_ETHERNET)).thenReturn(true);
when(mResources.getIntArray(R.array.config_tether_upstream_types)).thenReturn(
new int[] {TYPE_WIFI, TYPE_MOBILE_DUN});
when(mResources.getBoolean(R.bool.config_tether_upstream_automatic)).thenReturn(true);
@@ -2834,6 +2835,55 @@ public class TetheringTest {
runDualStackUsbTethering(TEST_RNDIS_IFNAME);
runStopUSBTethering();
}
@Test
public void testTetheringSupported() throws Exception {
setTetheringSupported(true /* supported */);
updateConfigAndVerifySupported(true /* supported */);
// Could disable tethering supported by settings.
Settings.Global.putInt(mContentResolver, Settings.Global.TETHER_SUPPORTED, 0);
updateConfigAndVerifySupported(false /* supported */);
// Could disable tethering supported by user restriction.
setTetheringSupported(true /* supported */);
when(mUserManager.hasUserRestriction(
UserManager.DISALLOW_CONFIG_TETHERING)).thenReturn(true);
updateConfigAndVerifySupported(false /* supported */);
// Tethering is supported if it has any supported downstream.
setTetheringSupported(true /* supported */);
when(mResources.getStringArray(R.array.config_tether_usb_regexs))
.thenReturn(new String[0]);
updateConfigAndVerifySupported(true /* supported */);
when(mResources.getStringArray(R.array.config_tether_wifi_regexs))
.thenReturn(new String[0]);
updateConfigAndVerifySupported(true /* supported */);
if (isAtLeastT()) {
when(mResources.getStringArray(R.array.config_tether_bluetooth_regexs))
.thenReturn(new String[0]);
updateConfigAndVerifySupported(true /* supported */);
when(mResources.getStringArray(R.array.config_tether_wifi_p2p_regexs))
.thenReturn(new String[0]);
updateConfigAndVerifySupported(true /* supported */);
when(mResources.getStringArray(R.array.config_tether_ncm_regexs))
.thenReturn(new String[0]);
updateConfigAndVerifySupported(true /* supported */);
mForceEthernetServiceUnavailable = true;
updateConfigAndVerifySupported(false /* supported */);
} else {
when(mResources.getStringArray(R.array.config_tether_bluetooth_regexs))
.thenReturn(new String[0]);
updateConfigAndVerifySupported(false /* supported */);
}
}
private void updateConfigAndVerifySupported(boolean supported) {
sendConfigurationChanged();
assertEquals(supported, mTethering.isTetheringSupported());
}
// TODO: Test that a request for hotspot mode doesn't interfere with an
// already operating tethering mode interface.
}