Merge "Create a TetherInterfaceStateMachine when told the interface name." into oc-dev (373342d9) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/connectivity/Tethering.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -846,6 +846,7 @@ public class Tethering extends BaseNetworkObserver implements IControlsTethering
		}

		if (!TextUtils.isEmpty(ifname)) {
		maybeTrackNewInterfaceLocked(ifname, ConnectivityManager.TETHERING_WIFI);
		changeInterfaceState(ifname, ipServingMode);
		} else {
		mLog.e(String.format(
		@@ -1876,7 +1877,10 @@ public class Tethering extends BaseNetworkObserver implements IControlsTethering
		mLog.log(iface + " is not a tetherable iface, ignoring");
		return;
		}
		maybeTrackNewInterfaceLocked(iface, interfaceType);
		}

		private void maybeTrackNewInterfaceLocked(final String iface, int interfaceType) {
		// If we have already started a TISM for this interface, skip.
		if (mTetherStates.containsKey(iface)) {
		mLog.log("active iface (" + iface + ") reported as added, ignoring");

tests/net/java/com/android/server/connectivity/TetheringTest.java

+39 −7

Original line number	Diff line number	Diff line
		@@ -235,32 +235,51 @@ public class TetheringTest {
		mIntents.remove(bcast);
		}

		@Test
		public void failingLocalOnlyHotspotLegacyApBroadcast() throws Exception {
		public void failingLocalOnlyHotspotLegacyApBroadcast(
		boolean emulateInterfaceStatusChanged) throws Exception {
		when(mConnectivityManager.isTetheringSupported()).thenReturn(true);

		// Emulate externally-visible WifiManager effects, causing the
		// per-interface state machine to start up, and telling us that
		// hotspot mode is to be started.
		if (emulateInterfaceStatusChanged) {
		mTethering.interfaceStatusChanged(mTestIfname, true);
		}
		sendWifiApStateChanged(WIFI_AP_STATE_ENABLED);
		mLooper.dispatchAll();

		// If, and only if, Tethering received an interface status changed
		// then it creates a TetherInterfaceStateMachine and sends out a
		// broadcast indicating that the interface is "available".
		if (emulateInterfaceStatusChanged) {
		verify(mConnectivityManager, atLeastOnce()).isTetheringSupported();
		verifyTetheringBroadcast(mTestIfname, ConnectivityManager.EXTRA_AVAILABLE_TETHER);
		}
		verifyNoMoreInteractions(mConnectivityManager);
		verifyNoMoreInteractions(mNMService);
		verifyNoMoreInteractions(mWifiManager);
		}

		@Test
		public void workingLocalOnlyHotspotEnrichedApBroadcast() throws Exception {
		public void failingLocalOnlyHotspotLegacyApBroadcastWithIfaceStatusChanged() throws Exception {
		failingLocalOnlyHotspotLegacyApBroadcast(true);
		}

		@Test
		public void failingLocalOnlyHotspotLegacyApBroadcastSansIfaceStatusChanged() throws Exception {
		failingLocalOnlyHotspotLegacyApBroadcast(false);
		}

		public void workingLocalOnlyHotspotEnrichedApBroadcast(
		boolean emulateInterfaceStatusChanged) throws Exception {
		when(mConnectivityManager.isTetheringSupported()).thenReturn(true);

		// Emulate externally-visible WifiManager effects, causing the
		// per-interface state machine to start up, and telling us that
		// hotspot mode is to be started.
		if (emulateInterfaceStatusChanged) {
		mTethering.interfaceStatusChanged(mTestIfname, true);
		}
		sendWifiApStateChanged(WIFI_AP_STATE_ENABLED, mTestIfname, IFACE_IP_MODE_LOCAL_ONLY);
		mLooper.dispatchAll();

		@@ -304,6 +323,17 @@ public class TetheringTest {
		mTethering.getLastTetherError(mTestIfname));
		}

		@Test
		public void workingLocalOnlyHotspotEnrichedApBroadcastWithIfaceChanged() throws Exception {
		workingLocalOnlyHotspotEnrichedApBroadcast(true);
		}

		@Test
		public void workingLocalOnlyHotspotEnrichedApBroadcastSansIfaceChanged() throws Exception {
		workingLocalOnlyHotspotEnrichedApBroadcast(false);
		}

		// TODO: Test with and without interfaceStatusChanged().
		@Test
		public void failingWifiTetheringLegacyApBroadcast() throws Exception {
		when(mConnectivityManager.isTetheringSupported()).thenReturn(true);
		@@ -331,6 +361,7 @@ public class TetheringTest {
		verifyNoMoreInteractions(mWifiManager);
		}

		// TODO: Test with and without interfaceStatusChanged().
		@Test
		public void workingWifiTetheringEnrichedApBroadcast() throws Exception {
		when(mConnectivityManager.isTetheringSupported()).thenReturn(true);
		@@ -412,6 +443,7 @@ public class TetheringTest {
		mTethering.getLastTetherError(mTestIfname));
		}

		// TODO: Test with and without interfaceStatusChanged().
		@Test
		public void failureEnablingIpForwarding() throws Exception {
		when(mConnectivityManager.isTetheringSupported()).thenReturn(true);