| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.connectivity.tethering; |
| |
| import static android.net.NetworkStats.DEFAULT_NETWORK_NO; |
| import static android.net.NetworkStats.METERED_NO; |
| import static android.net.NetworkStats.ROAMING_NO; |
| import static android.net.NetworkStats.SET_DEFAULT; |
| import static android.net.NetworkStats.TAG_NONE; |
| import static android.net.NetworkStats.UID_ALL; |
| import static android.net.NetworkStats.UID_TETHERING; |
| import static android.net.RouteInfo.RTN_UNICAST; |
| import static android.provider.Settings.Global.TETHER_OFFLOAD_DISABLED; |
| |
| import static com.android.server.connectivity.tethering.OffloadController.StatsType.STATS_PER_IFACE; |
| import static com.android.server.connectivity.tethering.OffloadController.StatsType.STATS_PER_UID; |
| import static com.android.server.connectivity.tethering.OffloadHardwareInterface.ForwardedStats; |
| import static com.android.testutils.MiscAssertsKt.assertContainsAll; |
| import static com.android.testutils.MiscAssertsKt.assertThrows; |
| import static com.android.testutils.NetworkStatsUtilsKt.orderInsensitiveEquals; |
| |
| import static junit.framework.Assert.assertNotNull; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.ArgumentMatchers.anyInt; |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Matchers.anyLong; |
| import static org.mockito.Matchers.anyObject; |
| import static org.mockito.Matchers.anyString; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.clearInvocations; |
| import static org.mockito.Mockito.inOrder; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.reset; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| import static org.mockito.Mockito.when; |
| |
| import android.annotation.NonNull; |
| import android.app.usage.NetworkStatsManager; |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.net.ITetheringStatsProvider; |
| import android.net.IpPrefix; |
| import android.net.LinkAddress; |
| import android.net.LinkProperties; |
| import android.net.NetworkStats; |
| import android.net.NetworkStats.Entry; |
| import android.net.RouteInfo; |
| import android.net.netstats.provider.INetworkStatsProviderCallback; |
| import android.net.util.SharedLog; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.provider.Settings; |
| import android.provider.Settings.SettingNotFoundException; |
| import android.test.mock.MockContentResolver; |
| |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import com.android.internal.util.test.FakeSettingsProvider; |
| import com.android.testutils.HandlerUtilsKt; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.InOrder; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| import java.net.InetAddress; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class OffloadControllerTest { |
| private static final String RNDIS0 = "test_rndis0"; |
| private static final String RMNET0 = "test_rmnet_data0"; |
| private static final String WLAN0 = "test_wlan0"; |
| |
| private static final String IPV6_LINKLOCAL = "fe80::/64"; |
| private static final String IPV6_DOC_PREFIX = "2001:db8::/64"; |
| private static final String IPV6_DISCARD_PREFIX = "100::/64"; |
| private static final String USB_PREFIX = "192.168.42.0/24"; |
| private static final String WIFI_PREFIX = "192.168.43.0/24"; |
| private static final long WAIT_FOR_IDLE_TIMEOUT = 2 * 1000; |
| |
| @Mock private OffloadHardwareInterface mHardware; |
| @Mock private ApplicationInfo mApplicationInfo; |
| @Mock private Context mContext; |
| @Mock private NetworkStatsManager mStatsManager; |
| @Mock private INetworkStatsProviderCallback mTetherStatsProviderCb; |
| private OffloadController.OffloadTetheringStatsProvider mTetherStatsProvider; |
| private final ArgumentCaptor<ArrayList> mStringArrayCaptor = |
| ArgumentCaptor.forClass(ArrayList.class); |
| private final ArgumentCaptor<OffloadHardwareInterface.ControlCallback> mControlCallbackCaptor = |
| ArgumentCaptor.forClass(OffloadHardwareInterface.ControlCallback.class); |
| private MockContentResolver mContentResolver; |
| |
| @Before public void setUp() { |
| MockitoAnnotations.initMocks(this); |
| when(mContext.getApplicationInfo()).thenReturn(mApplicationInfo); |
| when(mContext.getPackageName()).thenReturn("OffloadControllerTest"); |
| mContentResolver = new MockContentResolver(mContext); |
| mContentResolver.addProvider(Settings.AUTHORITY, new FakeSettingsProvider()); |
| when(mContext.getContentResolver()).thenReturn(mContentResolver); |
| FakeSettingsProvider.clearSettingsProvider(); |
| } |
| |
| @After public void tearDown() throws Exception { |
| FakeSettingsProvider.clearSettingsProvider(); |
| } |
| |
| private void setupFunctioningHardwareInterface() { |
| when(mHardware.initOffloadConfig()).thenReturn(true); |
| when(mHardware.initOffloadControl(mControlCallbackCaptor.capture())) |
| .thenReturn(true); |
| when(mHardware.setUpstreamParameters(anyString(), any(), any(), any())).thenReturn(true); |
| when(mHardware.getForwardedStats(any())).thenReturn(new ForwardedStats()); |
| when(mHardware.setDataLimit(anyString(), anyLong())).thenReturn(true); |
| } |
| |
| private void enableOffload() { |
| Settings.Global.putInt(mContentResolver, TETHER_OFFLOAD_DISABLED, 0); |
| } |
| |
| private void waitForIdle() { |
| HandlerUtilsKt.waitForIdle(new Handler(Looper.getMainLooper()), WAIT_FOR_IDLE_TIMEOUT); |
| } |
| |
| private OffloadController makeOffloadController() throws Exception { |
| OffloadController offload = new OffloadController(new Handler(Looper.getMainLooper()), |
| mHardware, mContentResolver, mStatsManager, new SharedLog("test")); |
| final ArgumentCaptor<OffloadController.OffloadTetheringStatsProvider> |
| tetherStatsProviderCaptor = |
| ArgumentCaptor.forClass(OffloadController.OffloadTetheringStatsProvider.class); |
| verify(mStatsManager).registerNetworkStatsProvider(anyString(), |
| tetherStatsProviderCaptor.capture()); |
| mTetherStatsProvider = tetherStatsProviderCaptor.getValue(); |
| assertNotNull(mTetherStatsProvider); |
| mTetherStatsProvider.setProviderCallbackBinder(mTetherStatsProviderCb); |
| return offload; |
| } |
| |
| @Test |
| public void testNoSettingsValueDefaultDisabledDoesNotStart() throws Exception { |
| setupFunctioningHardwareInterface(); |
| when(mHardware.getDefaultTetherOffloadDisabled()).thenReturn(1); |
| assertThrows(SettingNotFoundException.class, () -> |
| Settings.Global.getInt(mContentResolver, TETHER_OFFLOAD_DISABLED)); |
| |
| final OffloadController offload = makeOffloadController(); |
| offload.start(); |
| |
| final InOrder inOrder = inOrder(mHardware); |
| inOrder.verify(mHardware, times(1)).getDefaultTetherOffloadDisabled(); |
| inOrder.verify(mHardware, never()).initOffloadConfig(); |
| inOrder.verify(mHardware, never()).initOffloadControl( |
| any(OffloadHardwareInterface.ControlCallback.class)); |
| inOrder.verifyNoMoreInteractions(); |
| } |
| |
| @Test |
| public void testNoSettingsValueDefaultEnabledDoesStart() throws Exception { |
| setupFunctioningHardwareInterface(); |
| when(mHardware.getDefaultTetherOffloadDisabled()).thenReturn(0); |
| assertThrows(SettingNotFoundException.class, () -> |
| Settings.Global.getInt(mContentResolver, TETHER_OFFLOAD_DISABLED)); |
| |
| final OffloadController offload = makeOffloadController(); |
| offload.start(); |
| |
| final InOrder inOrder = inOrder(mHardware); |
| inOrder.verify(mHardware, times(1)).getDefaultTetherOffloadDisabled(); |
| inOrder.verify(mHardware, times(1)).initOffloadConfig(); |
| inOrder.verify(mHardware, times(1)).initOffloadControl( |
| any(OffloadHardwareInterface.ControlCallback.class)); |
| inOrder.verifyNoMoreInteractions(); |
| } |
| |
| @Test |
| public void testSettingsAllowsStart() throws Exception { |
| setupFunctioningHardwareInterface(); |
| Settings.Global.putInt(mContentResolver, TETHER_OFFLOAD_DISABLED, 0); |
| |
| final OffloadController offload = makeOffloadController(); |
| offload.start(); |
| |
| final InOrder inOrder = inOrder(mHardware); |
| inOrder.verify(mHardware, times(1)).getDefaultTetherOffloadDisabled(); |
| inOrder.verify(mHardware, times(1)).initOffloadConfig(); |
| inOrder.verify(mHardware, times(1)).initOffloadControl( |
| any(OffloadHardwareInterface.ControlCallback.class)); |
| inOrder.verifyNoMoreInteractions(); |
| } |
| |
| @Test |
| public void testSettingsDisablesStart() throws Exception { |
| setupFunctioningHardwareInterface(); |
| Settings.Global.putInt(mContentResolver, TETHER_OFFLOAD_DISABLED, 1); |
| |
| final OffloadController offload = makeOffloadController(); |
| offload.start(); |
| |
| final InOrder inOrder = inOrder(mHardware); |
| inOrder.verify(mHardware, times(1)).getDefaultTetherOffloadDisabled(); |
| inOrder.verify(mHardware, never()).initOffloadConfig(); |
| inOrder.verify(mHardware, never()).initOffloadControl(anyObject()); |
| inOrder.verifyNoMoreInteractions(); |
| } |
| |
| @Test |
| public void testSetUpstreamLinkPropertiesWorking() throws Exception { |
| setupFunctioningHardwareInterface(); |
| enableOffload(); |
| |
| final OffloadController offload = makeOffloadController(); |
| offload.start(); |
| |
| final InOrder inOrder = inOrder(mHardware); |
| inOrder.verify(mHardware, times(1)).getDefaultTetherOffloadDisabled(); |
| inOrder.verify(mHardware, times(1)).initOffloadConfig(); |
| inOrder.verify(mHardware, times(1)).initOffloadControl( |
| any(OffloadHardwareInterface.ControlCallback.class)); |
| inOrder.verifyNoMoreInteractions(); |
| |
| // In reality, the UpstreamNetworkMonitor would have passed down to us |
| // a covering set of local prefixes representing a minimum essential |
| // set plus all the prefixes on networks with network agents. |
| // |
| // We simulate that there, and then add upstream elements one by one |
| // and watch what happens. |
| final Set<IpPrefix> minimumLocalPrefixes = new HashSet<>(); |
| for (String s : new String[]{ |
| "127.0.0.0/8", "192.0.2.0/24", "fe80::/64", "2001:db8::/64"}) { |
| minimumLocalPrefixes.add(new IpPrefix(s)); |
| } |
| offload.setLocalPrefixes(minimumLocalPrefixes); |
| inOrder.verify(mHardware, times(1)).setLocalPrefixes(mStringArrayCaptor.capture()); |
| ArrayList<String> localPrefixes = mStringArrayCaptor.getValue(); |
| assertEquals(4, localPrefixes.size()); |
| assertContainsAll(localPrefixes, |
| "127.0.0.0/8", "192.0.2.0/24", "fe80::/64", "2001:db8::/64"); |
| inOrder.verifyNoMoreInteractions(); |
| |
| offload.setUpstreamLinkProperties(null); |
| // No change in local addresses means no call to setLocalPrefixes(). |
| inOrder.verify(mHardware, never()).setLocalPrefixes(mStringArrayCaptor.capture()); |
| // This LinkProperties value does not differ from the default upstream. |
| // There should be no extraneous call to setUpstreamParameters(). |
| inOrder.verify(mHardware, never()).setUpstreamParameters( |
| anyObject(), anyObject(), anyObject(), anyObject()); |
| inOrder.verifyNoMoreInteractions(); |
| |
| final LinkProperties lp = new LinkProperties(); |
| |
| final String testIfName = "rmnet_data17"; |
| lp.setInterfaceName(testIfName); |
| offload.setUpstreamLinkProperties(lp); |
| // No change in local addresses means no call to setLocalPrefixes(). |
| inOrder.verify(mHardware, never()).setLocalPrefixes(mStringArrayCaptor.capture()); |
| inOrder.verify(mHardware, times(1)).setUpstreamParameters( |
| eq(testIfName), eq(null), eq(null), eq(null)); |
| inOrder.verify(mHardware, times(1)).setDataLimit(eq(testIfName), eq(Long.MAX_VALUE)); |
| inOrder.verifyNoMoreInteractions(); |
| |
| final String ipv4Addr = "192.0.2.5"; |
| final String linkAddr = ipv4Addr + "/24"; |
| lp.addLinkAddress(new LinkAddress(linkAddr)); |
| lp.addRoute(new RouteInfo(new IpPrefix("192.0.2.0/24"), null, null, RTN_UNICAST)); |
| offload.setUpstreamLinkProperties(lp); |
| // IPv4 prefixes and addresses on the upstream are simply left as whole |
| // prefixes (already passed in from UpstreamNetworkMonitor code). If a |
| // tethering client sends traffic to the IPv4 default router or other |
| // clients on the upstream this will not be hardware-forwarded, and that |
| // should be fine for now. Ergo: no change in local addresses, no call |
| // to setLocalPrefixes(). |
| inOrder.verify(mHardware, never()).setLocalPrefixes(mStringArrayCaptor.capture()); |
| inOrder.verify(mHardware, times(1)).setUpstreamParameters( |
| eq(testIfName), eq(ipv4Addr), eq(null), eq(null)); |
| inOrder.verify(mHardware, times(1)).getForwardedStats(eq(testIfName)); |
| inOrder.verify(mHardware, times(1)).setDataLimit(eq(testIfName), eq(Long.MAX_VALUE)); |
| inOrder.verifyNoMoreInteractions(); |
| |
| final String ipv4Gateway = "192.0.2.1"; |
| lp.addRoute(new RouteInfo(null, InetAddress.getByName(ipv4Gateway), null, RTN_UNICAST)); |
| offload.setUpstreamLinkProperties(lp); |
| // No change in local addresses means no call to setLocalPrefixes(). |
| inOrder.verify(mHardware, never()).setLocalPrefixes(mStringArrayCaptor.capture()); |
| inOrder.verify(mHardware, times(1)).setUpstreamParameters( |
| eq(testIfName), eq(ipv4Addr), eq(ipv4Gateway), eq(null)); |
| inOrder.verify(mHardware, times(1)).getForwardedStats(eq(testIfName)); |
| inOrder.verify(mHardware, times(1)).setDataLimit(eq(testIfName), eq(Long.MAX_VALUE)); |
| inOrder.verifyNoMoreInteractions(); |
| |
| final String ipv6Gw1 = "fe80::cafe"; |
| lp.addRoute(new RouteInfo(null, InetAddress.getByName(ipv6Gw1), null, RTN_UNICAST)); |
| offload.setUpstreamLinkProperties(lp); |
| // No change in local addresses means no call to setLocalPrefixes(). |
| inOrder.verify(mHardware, never()).setLocalPrefixes(mStringArrayCaptor.capture()); |
| inOrder.verify(mHardware, times(1)).setUpstreamParameters( |
| eq(testIfName), eq(ipv4Addr), eq(ipv4Gateway), mStringArrayCaptor.capture()); |
| inOrder.verify(mHardware, times(1)).getForwardedStats(eq(testIfName)); |
| ArrayList<String> v6gws = mStringArrayCaptor.getValue(); |
| assertEquals(1, v6gws.size()); |
| assertTrue(v6gws.contains(ipv6Gw1)); |
| inOrder.verify(mHardware, times(1)).setDataLimit(eq(testIfName), eq(Long.MAX_VALUE)); |
| inOrder.verifyNoMoreInteractions(); |
| |
| final String ipv6Gw2 = "fe80::d00d"; |
| lp.addRoute(new RouteInfo(null, InetAddress.getByName(ipv6Gw2), null, RTN_UNICAST)); |
| offload.setUpstreamLinkProperties(lp); |
| // No change in local addresses means no call to setLocalPrefixes(). |
| inOrder.verify(mHardware, never()).setLocalPrefixes(mStringArrayCaptor.capture()); |
| inOrder.verify(mHardware, times(1)).setUpstreamParameters( |
| eq(testIfName), eq(ipv4Addr), eq(ipv4Gateway), mStringArrayCaptor.capture()); |
| inOrder.verify(mHardware, times(1)).getForwardedStats(eq(testIfName)); |
| v6gws = mStringArrayCaptor.getValue(); |
| assertEquals(2, v6gws.size()); |
| assertTrue(v6gws.contains(ipv6Gw1)); |
| assertTrue(v6gws.contains(ipv6Gw2)); |
| inOrder.verify(mHardware, times(1)).setDataLimit(eq(testIfName), eq(Long.MAX_VALUE)); |
| inOrder.verifyNoMoreInteractions(); |
| |
| final LinkProperties stacked = new LinkProperties(); |
| stacked.setInterfaceName("stacked"); |
| stacked.addLinkAddress(new LinkAddress("192.0.2.129/25")); |
| stacked.addRoute(new RouteInfo(null, InetAddress.getByName("192.0.2.254"), null, |
| RTN_UNICAST)); |
| stacked.addRoute(new RouteInfo(null, InetAddress.getByName("fe80::bad:f00"), null, |
| RTN_UNICAST)); |
| assertTrue(lp.addStackedLink(stacked)); |
| offload.setUpstreamLinkProperties(lp); |
| // No change in local addresses means no call to setLocalPrefixes(). |
| inOrder.verify(mHardware, never()).setLocalPrefixes(mStringArrayCaptor.capture()); |
| inOrder.verify(mHardware, times(1)).setUpstreamParameters( |
| eq(testIfName), eq(ipv4Addr), eq(ipv4Gateway), mStringArrayCaptor.capture()); |
| inOrder.verify(mHardware, times(1)).getForwardedStats(eq(testIfName)); |
| v6gws = mStringArrayCaptor.getValue(); |
| assertEquals(2, v6gws.size()); |
| assertTrue(v6gws.contains(ipv6Gw1)); |
| assertTrue(v6gws.contains(ipv6Gw2)); |
| inOrder.verify(mHardware, times(1)).setDataLimit(eq(testIfName), eq(Long.MAX_VALUE)); |
| inOrder.verifyNoMoreInteractions(); |
| |
| // Add in some IPv6 upstream info. When there is a tethered downstream |
| // making use of the IPv6 prefix we would expect to see the /64 route |
| // removed from "local prefixes" and /128s added for the upstream IPv6 |
| // addresses. This is not yet implemented, and for now we simply |
| // expect to see these /128s. |
| lp.addRoute(new RouteInfo(new IpPrefix("2001:db8::/64"), null, null, RTN_UNICAST)); |
| // "2001:db8::/64" plus "assigned" ASCII in hex |
| lp.addLinkAddress(new LinkAddress("2001:db8::6173:7369:676e:6564/64")); |
| // "2001:db8::/64" plus "random" ASCII in hex |
| lp.addLinkAddress(new LinkAddress("2001:db8::7261:6e64:6f6d/64")); |
| offload.setUpstreamLinkProperties(lp); |
| inOrder.verify(mHardware, times(1)).setLocalPrefixes(mStringArrayCaptor.capture()); |
| localPrefixes = mStringArrayCaptor.getValue(); |
| assertEquals(6, localPrefixes.size()); |
| assertContainsAll(localPrefixes, |
| "127.0.0.0/8", "192.0.2.0/24", "fe80::/64", "2001:db8::/64", |
| "2001:db8::6173:7369:676e:6564/128", "2001:db8::7261:6e64:6f6d/128"); |
| // The relevant parts of the LinkProperties have not changed, but at the |
| // moment we do not de-dup upstream LinkProperties this carefully. |
| inOrder.verify(mHardware, times(1)).setUpstreamParameters( |
| eq(testIfName), eq(ipv4Addr), eq(ipv4Gateway), mStringArrayCaptor.capture()); |
| v6gws = mStringArrayCaptor.getValue(); |
| assertEquals(2, v6gws.size()); |
| assertTrue(v6gws.contains(ipv6Gw1)); |
| assertTrue(v6gws.contains(ipv6Gw2)); |
| inOrder.verify(mHardware, times(1)).getForwardedStats(eq(testIfName)); |
| inOrder.verify(mHardware, times(1)).setDataLimit(eq(testIfName), eq(Long.MAX_VALUE)); |
| inOrder.verifyNoMoreInteractions(); |
| |
| // Completely identical LinkProperties updates are de-duped. |
| offload.setUpstreamLinkProperties(lp); |
| // This LinkProperties value does not differ from the default upstream. |
| // There should be no extraneous call to setUpstreamParameters(). |
| inOrder.verify(mHardware, never()).setUpstreamParameters( |
| anyObject(), anyObject(), anyObject(), anyObject()); |
| inOrder.verifyNoMoreInteractions(); |
| } |
| |
| private static @NonNull Entry buildTestEntry(@NonNull OffloadController.StatsType how, |
| @NonNull String iface, long rxBytes, long txBytes) { |
| return new Entry(iface, how == STATS_PER_IFACE ? UID_ALL : UID_TETHERING, SET_DEFAULT, |
| TAG_NONE, METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, rxBytes, 0L, |
| txBytes, 0L, 0L); |
| } |
| |
| @Test |
| public void testGetForwardedStats() throws Exception { |
| setupFunctioningHardwareInterface(); |
| enableOffload(); |
| |
| final OffloadController offload = makeOffloadController(); |
| offload.start(); |
| |
| final String ethernetIface = "eth1"; |
| final String mobileIface = "rmnet_data0"; |
| |
| when(mHardware.getForwardedStats(eq(ethernetIface))).thenReturn( |
| new ForwardedStats(12345, 54321)); |
| when(mHardware.getForwardedStats(eq(mobileIface))).thenReturn( |
| new ForwardedStats(999, 99999)); |
| |
| InOrder inOrder = inOrder(mHardware); |
| |
| final LinkProperties lp = new LinkProperties(); |
| lp.setInterfaceName(ethernetIface); |
| offload.setUpstreamLinkProperties(lp); |
| // Previous upstream was null, so no stats are fetched. |
| inOrder.verify(mHardware, never()).getForwardedStats(any()); |
| |
| lp.setInterfaceName(mobileIface); |
| offload.setUpstreamLinkProperties(lp); |
| // Expect that we fetch stats from the previous upstream. |
| inOrder.verify(mHardware, times(1)).getForwardedStats(eq(ethernetIface)); |
| |
| lp.setInterfaceName(ethernetIface); |
| offload.setUpstreamLinkProperties(lp); |
| // Expect that we fetch stats from the previous upstream. |
| inOrder.verify(mHardware, times(1)).getForwardedStats(eq(mobileIface)); |
| |
| // Verify that the fetched stats are stored. |
| final NetworkStats ifaceStats = mTetherStatsProvider.getTetherStats(STATS_PER_IFACE); |
| final NetworkStats uidStats = mTetherStatsProvider.getTetherStats(STATS_PER_UID); |
| final NetworkStats expectedIfaceStats = new NetworkStats(0L, 2) |
| .addEntry(buildTestEntry(STATS_PER_IFACE, mobileIface, 999, 99999)) |
| .addEntry(buildTestEntry(STATS_PER_IFACE, ethernetIface, 12345, 54321)); |
| |
| final NetworkStats expectedUidStats = new NetworkStats(0L, 2) |
| .addEntry(buildTestEntry(STATS_PER_UID, mobileIface, 999, 99999)) |
| .addEntry(buildTestEntry(STATS_PER_UID, ethernetIface, 12345, 54321)); |
| |
| assertTrue(orderInsensitiveEquals(expectedIfaceStats, ifaceStats)); |
| assertTrue(orderInsensitiveEquals(expectedUidStats, uidStats)); |
| |
| final ArgumentCaptor<NetworkStats> ifaceStatsCaptor = ArgumentCaptor.forClass( |
| NetworkStats.class); |
| final ArgumentCaptor<NetworkStats> uidStatsCaptor = ArgumentCaptor.forClass( |
| NetworkStats.class); |
| |
| // Force pushing stats update to verify the stats reported. |
| mTetherStatsProvider.pushTetherStats(); |
| verify(mTetherStatsProviderCb, times(1)) |
| .notifyStatsUpdated(anyInt(), ifaceStatsCaptor.capture(), uidStatsCaptor.capture()); |
| assertTrue(orderInsensitiveEquals(expectedIfaceStats, ifaceStatsCaptor.getValue())); |
| assertTrue(orderInsensitiveEquals(expectedUidStats, uidStatsCaptor.getValue())); |
| |
| when(mHardware.getForwardedStats(eq(ethernetIface))).thenReturn( |
| new ForwardedStats(100000, 100000)); |
| offload.setUpstreamLinkProperties(null); |
| // Expect that we first clear the HAL's upstream parameters. |
| inOrder.verify(mHardware, times(1)).setUpstreamParameters( |
| eq(""), eq("0.0.0.0"), eq("0.0.0.0"), eq(null)); |
| // Expect that we fetch stats from the previous upstream. |
| inOrder.verify(mHardware, times(1)).getForwardedStats(eq(ethernetIface)); |
| |
| // There is no current upstream, so no stats are fetched. |
| inOrder.verify(mHardware, never()).getForwardedStats(any()); |
| inOrder.verifyNoMoreInteractions(); |
| |
| // Verify that the stored stats is accumulated. |
| final NetworkStats ifaceStatsAccu = mTetherStatsProvider.getTetherStats(STATS_PER_IFACE); |
| final NetworkStats uidStatsAccu = mTetherStatsProvider.getTetherStats(STATS_PER_UID); |
| final NetworkStats expectedIfaceStatsAccu = new NetworkStats(0L, 2) |
| .addEntry(buildTestEntry(STATS_PER_IFACE, mobileIface, 999, 99999)) |
| .addEntry(buildTestEntry(STATS_PER_IFACE, ethernetIface, 112345, 154321)); |
| |
| final NetworkStats expectedUidStatsAccu = new NetworkStats(0L, 2) |
| .addEntry(buildTestEntry(STATS_PER_UID, mobileIface, 999, 99999)) |
| .addEntry(buildTestEntry(STATS_PER_UID, ethernetIface, 112345, 154321)); |
| |
| assertTrue(orderInsensitiveEquals(expectedIfaceStatsAccu, ifaceStatsAccu)); |
| assertTrue(orderInsensitiveEquals(expectedUidStatsAccu, uidStatsAccu)); |
| |
| // Verify that only diff of stats is reported. |
| reset(mTetherStatsProviderCb); |
| mTetherStatsProvider.pushTetherStats(); |
| final NetworkStats expectedIfaceStatsDiff = new NetworkStats(0L, 2) |
| .addEntry(buildTestEntry(STATS_PER_IFACE, mobileIface, 0, 0)) |
| .addEntry(buildTestEntry(STATS_PER_IFACE, ethernetIface, 100000, 100000)); |
| |
| final NetworkStats expectedUidStatsDiff = new NetworkStats(0L, 2) |
| .addEntry(buildTestEntry(STATS_PER_UID, mobileIface, 0, 0)) |
| .addEntry(buildTestEntry(STATS_PER_UID, ethernetIface, 100000, 100000)); |
| verify(mTetherStatsProviderCb, times(1)) |
| .notifyStatsUpdated(anyInt(), ifaceStatsCaptor.capture(), uidStatsCaptor.capture()); |
| assertTrue(orderInsensitiveEquals(expectedIfaceStatsDiff, ifaceStatsCaptor.getValue())); |
| assertTrue(orderInsensitiveEquals(expectedUidStatsDiff, uidStatsCaptor.getValue())); |
| } |
| |
| @Test |
| public void testSetInterfaceQuota() throws Exception { |
| setupFunctioningHardwareInterface(); |
| enableOffload(); |
| |
| final OffloadController offload = makeOffloadController(); |
| offload.start(); |
| |
| final String ethernetIface = "eth1"; |
| final String mobileIface = "rmnet_data0"; |
| final long ethernetLimit = 12345; |
| final long mobileLimit = 12345678; |
| |
| final LinkProperties lp = new LinkProperties(); |
| lp.setInterfaceName(ethernetIface); |
| offload.setUpstreamLinkProperties(lp); |
| |
| final InOrder inOrder = inOrder(mHardware); |
| when(mHardware.setUpstreamParameters(any(), any(), any(), any())).thenReturn(true); |
| when(mHardware.setDataLimit(anyString(), anyLong())).thenReturn(true); |
| |
| // Applying an interface quota to the current upstream immediately sends it to the hardware. |
| mTetherStatsProvider.onSetLimit(ethernetIface, ethernetLimit); |
| waitForIdle(); |
| inOrder.verify(mHardware).setDataLimit(ethernetIface, ethernetLimit); |
| inOrder.verifyNoMoreInteractions(); |
| |
| // Applying an interface quota to another upstream does not take any immediate action. |
| mTetherStatsProvider.onSetLimit(mobileIface, mobileLimit); |
| waitForIdle(); |
| inOrder.verify(mHardware, never()).setDataLimit(anyString(), anyLong()); |
| |
| // Switching to that upstream causes the quota to be applied if the parameters were applied |
| // correctly. |
| lp.setInterfaceName(mobileIface); |
| offload.setUpstreamLinkProperties(lp); |
| waitForIdle(); |
| inOrder.verify(mHardware).setDataLimit(mobileIface, mobileLimit); |
| |
| // Setting a limit of ITetheringStatsProvider.QUOTA_UNLIMITED causes the limit to be set |
| // to Long.MAX_VALUE. |
| mTetherStatsProvider.onSetLimit(mobileIface, ITetheringStatsProvider.QUOTA_UNLIMITED); |
| waitForIdle(); |
| inOrder.verify(mHardware).setDataLimit(mobileIface, Long.MAX_VALUE); |
| |
| // If setting upstream parameters fails, then the data limit is not set. |
| when(mHardware.setUpstreamParameters(any(), any(), any(), any())).thenReturn(false); |
| lp.setInterfaceName(ethernetIface); |
| offload.setUpstreamLinkProperties(lp); |
| mTetherStatsProvider.onSetLimit(mobileIface, mobileLimit); |
| waitForIdle(); |
| inOrder.verify(mHardware, never()).setDataLimit(anyString(), anyLong()); |
| |
| // If setting the data limit fails while changing upstreams, offload is stopped. |
| when(mHardware.setUpstreamParameters(any(), any(), any(), any())).thenReturn(true); |
| when(mHardware.setDataLimit(anyString(), anyLong())).thenReturn(false); |
| lp.setInterfaceName(mobileIface); |
| offload.setUpstreamLinkProperties(lp); |
| mTetherStatsProvider.onSetLimit(mobileIface, mobileLimit); |
| waitForIdle(); |
| inOrder.verify(mHardware).getForwardedStats(ethernetIface); |
| inOrder.verify(mHardware).stopOffloadControl(); |
| } |
| |
| @Test |
| public void testDataLimitCallback() throws Exception { |
| setupFunctioningHardwareInterface(); |
| enableOffload(); |
| |
| final OffloadController offload = makeOffloadController(); |
| offload.start(); |
| |
| OffloadHardwareInterface.ControlCallback callback = mControlCallbackCaptor.getValue(); |
| callback.onStoppedLimitReached(); |
| verify(mTetherStatsProviderCb, times(1)).notifyStatsUpdated(anyInt(), any(), any()); |
| } |
| |
| @Test |
| public void testAddRemoveDownstreams() throws Exception { |
| setupFunctioningHardwareInterface(); |
| enableOffload(); |
| |
| final OffloadController offload = makeOffloadController(); |
| offload.start(); |
| |
| final InOrder inOrder = inOrder(mHardware); |
| inOrder.verify(mHardware, times(1)).initOffloadConfig(); |
| inOrder.verify(mHardware, times(1)).initOffloadControl( |
| any(OffloadHardwareInterface.ControlCallback.class)); |
| inOrder.verifyNoMoreInteractions(); |
| |
| // Tethering makes several calls to setLocalPrefixes() before add/remove |
| // downstream calls are made. This is not tested here; only the behavior |
| // of notifyDownstreamLinkProperties() and removeDownstreamInterface() |
| // are tested. |
| |
| // [1] USB tethering is started. |
| final LinkProperties usbLinkProperties = new LinkProperties(); |
| usbLinkProperties.setInterfaceName(RNDIS0); |
| usbLinkProperties.addLinkAddress(new LinkAddress("192.168.42.1/24")); |
| usbLinkProperties.addRoute( |
| new RouteInfo(new IpPrefix(USB_PREFIX), null, null, RTN_UNICAST)); |
| offload.notifyDownstreamLinkProperties(usbLinkProperties); |
| inOrder.verify(mHardware, times(1)).addDownstreamPrefix(RNDIS0, USB_PREFIX); |
| inOrder.verifyNoMoreInteractions(); |
| |
| // [2] Routes for IPv6 link-local prefixes should never be added. |
| usbLinkProperties.addRoute( |
| new RouteInfo(new IpPrefix(IPV6_LINKLOCAL), null, null, RTN_UNICAST)); |
| offload.notifyDownstreamLinkProperties(usbLinkProperties); |
| inOrder.verify(mHardware, never()).addDownstreamPrefix(eq(RNDIS0), anyString()); |
| inOrder.verifyNoMoreInteractions(); |
| |
| // [3] Add an IPv6 prefix for good measure. Only new offload-able |
| // prefixes should be passed to the HAL. |
| usbLinkProperties.addLinkAddress(new LinkAddress("2001:db8::1/64")); |
| usbLinkProperties.addRoute( |
| new RouteInfo(new IpPrefix(IPV6_DOC_PREFIX), null, null, RTN_UNICAST)); |
| offload.notifyDownstreamLinkProperties(usbLinkProperties); |
| inOrder.verify(mHardware, times(1)).addDownstreamPrefix(RNDIS0, IPV6_DOC_PREFIX); |
| inOrder.verifyNoMoreInteractions(); |
| |
| // [4] Adding addresses doesn't affect notifyDownstreamLinkProperties(). |
| // The address is passed in by a separate setLocalPrefixes() invocation. |
| usbLinkProperties.addLinkAddress(new LinkAddress("2001:db8::2/64")); |
| offload.notifyDownstreamLinkProperties(usbLinkProperties); |
| inOrder.verify(mHardware, never()).addDownstreamPrefix(eq(RNDIS0), anyString()); |
| |
| // [5] Differences in local routes are converted into addDownstream() |
| // and removeDownstream() invocations accordingly. |
| usbLinkProperties.removeRoute( |
| new RouteInfo(new IpPrefix(IPV6_DOC_PREFIX), null, RNDIS0, RTN_UNICAST)); |
| usbLinkProperties.addRoute( |
| new RouteInfo(new IpPrefix(IPV6_DISCARD_PREFIX), null, null, RTN_UNICAST)); |
| offload.notifyDownstreamLinkProperties(usbLinkProperties); |
| inOrder.verify(mHardware, times(1)).removeDownstreamPrefix(RNDIS0, IPV6_DOC_PREFIX); |
| inOrder.verify(mHardware, times(1)).addDownstreamPrefix(RNDIS0, IPV6_DISCARD_PREFIX); |
| inOrder.verifyNoMoreInteractions(); |
| |
| // [6] Removing a downstream interface which was never added causes no |
| // interactions with the HAL. |
| offload.removeDownstreamInterface(WLAN0); |
| inOrder.verifyNoMoreInteractions(); |
| |
| // [7] Removing an active downstream removes all remaining prefixes. |
| offload.removeDownstreamInterface(RNDIS0); |
| inOrder.verify(mHardware, times(1)).removeDownstreamPrefix(RNDIS0, USB_PREFIX); |
| inOrder.verify(mHardware, times(1)).removeDownstreamPrefix(RNDIS0, IPV6_DISCARD_PREFIX); |
| inOrder.verifyNoMoreInteractions(); |
| } |
| |
| @Test |
| public void testControlCallbackOnStoppedUnsupportedFetchesAllStats() throws Exception { |
| setupFunctioningHardwareInterface(); |
| enableOffload(); |
| |
| final OffloadController offload = makeOffloadController(); |
| offload.start(); |
| |
| // Pretend to set a few different upstreams (only the interface name |
| // matters for this test; we're ignoring IP and route information). |
| final LinkProperties upstreamLp = new LinkProperties(); |
| for (String ifname : new String[]{RMNET0, WLAN0, RMNET0}) { |
| upstreamLp.setInterfaceName(ifname); |
| offload.setUpstreamLinkProperties(upstreamLp); |
| } |
| |
| // Clear invocation history, especially the getForwardedStats() calls |
| // that happen with setUpstreamParameters(). |
| clearInvocations(mHardware); |
| |
| OffloadHardwareInterface.ControlCallback callback = mControlCallbackCaptor.getValue(); |
| callback.onStoppedUnsupported(); |
| |
| // Verify forwarded stats behaviour. |
| verify(mHardware, times(1)).getForwardedStats(eq(RMNET0)); |
| verify(mHardware, times(1)).getForwardedStats(eq(WLAN0)); |
| // TODO: verify the exact stats reported. |
| verify(mTetherStatsProviderCb, times(1)).notifyStatsUpdated(anyInt(), any(), any()); |
| verifyNoMoreInteractions(mTetherStatsProviderCb); |
| verifyNoMoreInteractions(mHardware); |
| } |
| |
| @Test |
| public void testControlCallbackOnSupportAvailableFetchesAllStatsAndPushesAllParameters() |
| throws Exception { |
| setupFunctioningHardwareInterface(); |
| enableOffload(); |
| |
| final OffloadController offload = makeOffloadController(); |
| offload.start(); |
| |
| // Pretend to set a few different upstreams (only the interface name |
| // matters for this test; we're ignoring IP and route information). |
| final LinkProperties upstreamLp = new LinkProperties(); |
| for (String ifname : new String[]{RMNET0, WLAN0, RMNET0}) { |
| upstreamLp.setInterfaceName(ifname); |
| offload.setUpstreamLinkProperties(upstreamLp); |
| } |
| |
| // Pretend that some local prefixes and downstreams have been added |
| // (and removed, for good measure). |
| final Set<IpPrefix> minimumLocalPrefixes = new HashSet<>(); |
| for (String s : new String[]{ |
| "127.0.0.0/8", "192.0.2.0/24", "fe80::/64", "2001:db8::/64"}) { |
| minimumLocalPrefixes.add(new IpPrefix(s)); |
| } |
| offload.setLocalPrefixes(minimumLocalPrefixes); |
| |
| final LinkProperties usbLinkProperties = new LinkProperties(); |
| usbLinkProperties.setInterfaceName(RNDIS0); |
| usbLinkProperties.addLinkAddress(new LinkAddress("192.168.42.1/24")); |
| usbLinkProperties.addRoute( |
| new RouteInfo(new IpPrefix(USB_PREFIX), null, null, RTN_UNICAST)); |
| offload.notifyDownstreamLinkProperties(usbLinkProperties); |
| |
| final LinkProperties wifiLinkProperties = new LinkProperties(); |
| wifiLinkProperties.setInterfaceName(WLAN0); |
| wifiLinkProperties.addLinkAddress(new LinkAddress("192.168.43.1/24")); |
| wifiLinkProperties.addRoute( |
| new RouteInfo(new IpPrefix(WIFI_PREFIX), null, null, RTN_UNICAST)); |
| wifiLinkProperties.addRoute( |
| new RouteInfo(new IpPrefix(IPV6_LINKLOCAL), null, null, RTN_UNICAST)); |
| // Use a benchmark prefix (RFC 5180 + erratum), since the documentation |
| // prefix is included in the excluded prefix list. |
| wifiLinkProperties.addLinkAddress(new LinkAddress("2001:2::1/64")); |
| wifiLinkProperties.addLinkAddress(new LinkAddress("2001:2::2/64")); |
| wifiLinkProperties.addRoute( |
| new RouteInfo(new IpPrefix("2001:2::/64"), null, null, RTN_UNICAST)); |
| offload.notifyDownstreamLinkProperties(wifiLinkProperties); |
| |
| offload.removeDownstreamInterface(RNDIS0); |
| |
| // Clear invocation history, especially the getForwardedStats() calls |
| // that happen with setUpstreamParameters(). |
| clearInvocations(mHardware); |
| |
| OffloadHardwareInterface.ControlCallback callback = mControlCallbackCaptor.getValue(); |
| callback.onSupportAvailable(); |
| |
| // Verify forwarded stats behaviour. |
| verify(mHardware, times(1)).getForwardedStats(eq(RMNET0)); |
| verify(mHardware, times(1)).getForwardedStats(eq(WLAN0)); |
| verify(mTetherStatsProviderCb, times(1)).notifyStatsUpdated(anyInt(), any(), any()); |
| verifyNoMoreInteractions(mTetherStatsProviderCb); |
| |
| // TODO: verify local prefixes and downstreams are also pushed to the HAL. |
| verify(mHardware, times(1)).setLocalPrefixes(mStringArrayCaptor.capture()); |
| ArrayList<String> localPrefixes = mStringArrayCaptor.getValue(); |
| assertEquals(4, localPrefixes.size()); |
| assertContainsAll(localPrefixes, |
| // TODO: The logic to find and exclude downstream IP prefixes |
| // is currently in Tethering's OffloadWrapper but must be moved |
| // into OffloadController proper. After this, also check for: |
| // "192.168.43.1/32", "2001:2::1/128", "2001:2::2/128" |
| "127.0.0.0/8", "192.0.2.0/24", "fe80::/64", "2001:db8::/64"); |
| verify(mHardware, times(1)).addDownstreamPrefix(WLAN0, "192.168.43.0/24"); |
| verify(mHardware, times(1)).addDownstreamPrefix(WLAN0, "2001:2::/64"); |
| verify(mHardware, times(1)).setUpstreamParameters(eq(RMNET0), any(), any(), any()); |
| verify(mHardware, times(1)).setDataLimit(eq(RMNET0), anyLong()); |
| verifyNoMoreInteractions(mHardware); |
| } |
| |
| } |
