| /* |
| * 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.networkstack.tethering; |
| |
| import static android.net.ConnectivityManager.TYPE_MOBILE_DUN; |
| import static android.net.ConnectivityManager.TYPE_MOBILE_HIPRI; |
| import static android.net.ConnectivityManager.TYPE_WIFI; |
| import static android.net.NetworkCapabilities.NET_CAPABILITY_DUN; |
| import static android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET; |
| import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR; |
| import static android.net.NetworkCapabilities.TRANSPORT_WIFI; |
| |
| import static com.android.networkstack.tethering.UpstreamNetworkMonitor.TYPE_NONE; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| import static org.mockito.Mockito.any; |
| import static org.mockito.Mockito.anyInt; |
| import static org.mockito.Mockito.anyString; |
| import static org.mockito.Mockito.eq; |
| import static org.mockito.Mockito.reset; |
| import static org.mockito.Mockito.spy; |
| 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.content.Context; |
| import android.net.ConnectivityManager; |
| import android.net.ConnectivityManager.NetworkCallback; |
| import android.net.IConnectivityManager; |
| import android.net.IpPrefix; |
| import android.net.LinkAddress; |
| import android.net.LinkProperties; |
| import android.net.Network; |
| import android.net.NetworkCapabilities; |
| import android.net.NetworkRequest; |
| import android.net.util.SharedLog; |
| import android.os.Handler; |
| import android.os.Message; |
| |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import com.android.internal.util.State; |
| import com.android.internal.util.StateMachine; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Set; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class UpstreamNetworkMonitorTest { |
| private static final int EVENT_UNM_UPDATE = 1; |
| |
| private static final boolean INCLUDES = true; |
| private static final boolean EXCLUDES = false; |
| |
| // Actual contents of the request don't matter for this test. The lack of |
| // any specific TRANSPORT_* is sufficient to identify this request. |
| private static final NetworkRequest sDefaultRequest = new NetworkRequest.Builder().build(); |
| |
| @Mock private Context mContext; |
| @Mock private EntitlementManager mEntitleMgr; |
| @Mock private IConnectivityManager mCS; |
| @Mock private SharedLog mLog; |
| |
| private TestStateMachine mSM; |
| private TestConnectivityManager mCM; |
| private UpstreamNetworkMonitor mUNM; |
| |
| @Before public void setUp() throws Exception { |
| MockitoAnnotations.initMocks(this); |
| reset(mContext); |
| reset(mCS); |
| reset(mLog); |
| when(mLog.forSubComponent(anyString())).thenReturn(mLog); |
| when(mEntitleMgr.isCellularUpstreamPermitted()).thenReturn(true); |
| |
| mCM = spy(new TestConnectivityManager(mContext, mCS)); |
| mSM = new TestStateMachine(); |
| mUNM = new UpstreamNetworkMonitor( |
| (ConnectivityManager) mCM, mSM, mLog, EVENT_UNM_UPDATE); |
| } |
| |
| @After public void tearDown() throws Exception { |
| if (mSM != null) { |
| mSM.quit(); |
| mSM = null; |
| } |
| } |
| |
| @Test |
| public void testStopWithoutStartIsNonFatal() { |
| mUNM.stop(); |
| mUNM.stop(); |
| mUNM.stop(); |
| } |
| |
| @Test |
| public void testDoesNothingBeforeTrackDefaultAndStarted() throws Exception { |
| assertTrue(mCM.hasNoCallbacks()); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| |
| mUNM.updateMobileRequiresDun(true); |
| assertTrue(mCM.hasNoCallbacks()); |
| mUNM.updateMobileRequiresDun(false); |
| assertTrue(mCM.hasNoCallbacks()); |
| } |
| |
| @Test |
| public void testDefaultNetworkIsTracked() throws Exception { |
| assertTrue(mCM.hasNoCallbacks()); |
| mUNM.startTrackDefaultNetwork(sDefaultRequest, mEntitleMgr); |
| |
| mUNM.startObserveAllNetworks(); |
| assertEquals(1, mCM.trackingDefault.size()); |
| |
| mUNM.stop(); |
| assertTrue(mCM.onlyHasDefaultCallbacks()); |
| } |
| |
| @Test |
| public void testListensForAllNetworks() throws Exception { |
| assertTrue(mCM.listening.isEmpty()); |
| |
| mUNM.startTrackDefaultNetwork(sDefaultRequest, mEntitleMgr); |
| mUNM.startObserveAllNetworks(); |
| assertFalse(mCM.listening.isEmpty()); |
| assertTrue(mCM.isListeningForAll()); |
| |
| mUNM.stop(); |
| assertTrue(mCM.onlyHasDefaultCallbacks()); |
| } |
| |
| @Test |
| public void testCallbacksRegistered() { |
| mUNM.startTrackDefaultNetwork(sDefaultRequest, mEntitleMgr); |
| verify(mCM, times(1)).requestNetwork( |
| eq(sDefaultRequest), any(NetworkCallback.class), any(Handler.class)); |
| mUNM.startObserveAllNetworks(); |
| verify(mCM, times(1)).registerNetworkCallback( |
| any(NetworkRequest.class), any(NetworkCallback.class), any(Handler.class)); |
| |
| mUNM.stop(); |
| verify(mCM, times(1)).unregisterNetworkCallback(any(NetworkCallback.class)); |
| } |
| |
| @Test |
| public void testRequestsMobileNetwork() throws Exception { |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.startObserveAllNetworks(); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.updateMobileRequiresDun(false); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.registerMobileNetworkRequest(); |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_HIPRI); |
| assertFalse(isDunRequested()); |
| |
| mUNM.stop(); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertTrue(mCM.hasNoCallbacks()); |
| } |
| |
| @Test |
| public void testDuplicateMobileRequestsIgnored() throws Exception { |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.startObserveAllNetworks(); |
| verify(mCM, times(1)).registerNetworkCallback( |
| any(NetworkRequest.class), any(NetworkCallback.class), any(Handler.class)); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.updateMobileRequiresDun(true); |
| mUNM.registerMobileNetworkRequest(); |
| verify(mCM, times(1)).requestNetwork( |
| any(NetworkRequest.class), anyInt(), anyInt(), any(Handler.class), |
| any(NetworkCallback.class)); |
| |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_DUN); |
| assertTrue(isDunRequested()); |
| |
| // Try a few things that must not result in any state change. |
| mUNM.registerMobileNetworkRequest(); |
| mUNM.updateMobileRequiresDun(true); |
| mUNM.registerMobileNetworkRequest(); |
| |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_DUN); |
| assertTrue(isDunRequested()); |
| |
| mUNM.stop(); |
| verify(mCM, times(2)).unregisterNetworkCallback(any(NetworkCallback.class)); |
| |
| verifyNoMoreInteractions(mCM); |
| } |
| |
| @Test |
| public void testRequestsDunNetwork() throws Exception { |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.startObserveAllNetworks(); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.updateMobileRequiresDun(true); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.registerMobileNetworkRequest(); |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_DUN); |
| assertTrue(isDunRequested()); |
| |
| mUNM.stop(); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertTrue(mCM.hasNoCallbacks()); |
| } |
| |
| @Test |
| public void testUpdateMobileRequiresDun() throws Exception { |
| mUNM.startObserveAllNetworks(); |
| |
| // Test going from no-DUN to DUN correctly re-registers callbacks. |
| mUNM.updateMobileRequiresDun(false); |
| mUNM.registerMobileNetworkRequest(); |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_HIPRI); |
| assertFalse(isDunRequested()); |
| mUNM.updateMobileRequiresDun(true); |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_DUN); |
| assertTrue(isDunRequested()); |
| |
| // Test going from DUN to no-DUN correctly re-registers callbacks. |
| mUNM.updateMobileRequiresDun(false); |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_HIPRI); |
| assertFalse(isDunRequested()); |
| |
| mUNM.stop(); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| } |
| |
| @Test |
| public void testSelectPreferredUpstreamType() throws Exception { |
| final Collection<Integer> preferredTypes = new ArrayList<>(); |
| preferredTypes.add(TYPE_WIFI); |
| |
| mUNM.startTrackDefaultNetwork(sDefaultRequest, mEntitleMgr); |
| mUNM.startObserveAllNetworks(); |
| // There are no networks, so there is nothing to select. |
| assertSatisfiesLegacyType(TYPE_NONE, mUNM.selectPreferredUpstreamType(preferredTypes)); |
| |
| final TestNetworkAgent wifiAgent = new TestNetworkAgent(mCM, TRANSPORT_WIFI); |
| wifiAgent.fakeConnect(); |
| // WiFi is up, we should prefer it. |
| assertSatisfiesLegacyType(TYPE_WIFI, mUNM.selectPreferredUpstreamType(preferredTypes)); |
| wifiAgent.fakeDisconnect(); |
| // There are no networks, so there is nothing to select. |
| assertSatisfiesLegacyType(TYPE_NONE, mUNM.selectPreferredUpstreamType(preferredTypes)); |
| |
| final TestNetworkAgent cellAgent = new TestNetworkAgent(mCM, TRANSPORT_CELLULAR); |
| cellAgent.fakeConnect(); |
| assertSatisfiesLegacyType(TYPE_NONE, mUNM.selectPreferredUpstreamType(preferredTypes)); |
| |
| preferredTypes.add(TYPE_MOBILE_DUN); |
| // This is coupled with preferred types in TetheringConfiguration. |
| mUNM.updateMobileRequiresDun(true); |
| // DUN is available, but only use regular cell: no upstream selected. |
| assertSatisfiesLegacyType(TYPE_NONE, mUNM.selectPreferredUpstreamType(preferredTypes)); |
| preferredTypes.remove(TYPE_MOBILE_DUN); |
| // No WiFi, but our preferred flavour of cell is up. |
| preferredTypes.add(TYPE_MOBILE_HIPRI); |
| // This is coupled with preferred types in TetheringConfiguration. |
| mUNM.updateMobileRequiresDun(false); |
| assertSatisfiesLegacyType(TYPE_MOBILE_HIPRI, |
| mUNM.selectPreferredUpstreamType(preferredTypes)); |
| // Check to see we filed an explicit request. |
| assertEquals(1, mCM.requested.size()); |
| NetworkRequest netReq = (NetworkRequest) mCM.requested.values().toArray()[0]; |
| assertTrue(netReq.networkCapabilities.hasTransport(TRANSPORT_CELLULAR)); |
| assertFalse(netReq.networkCapabilities.hasCapability(NET_CAPABILITY_DUN)); |
| // mobile is not permitted, we should not use HIPRI. |
| when(mEntitleMgr.isCellularUpstreamPermitted()).thenReturn(false); |
| assertSatisfiesLegacyType(TYPE_NONE, mUNM.selectPreferredUpstreamType(preferredTypes)); |
| assertEquals(0, mCM.requested.size()); |
| // mobile change back to permitted, HIRPI should come back |
| when(mEntitleMgr.isCellularUpstreamPermitted()).thenReturn(true); |
| assertSatisfiesLegacyType(TYPE_MOBILE_HIPRI, |
| mUNM.selectPreferredUpstreamType(preferredTypes)); |
| |
| wifiAgent.fakeConnect(); |
| // WiFi is up, and we should prefer it over cell. |
| assertSatisfiesLegacyType(TYPE_WIFI, mUNM.selectPreferredUpstreamType(preferredTypes)); |
| assertEquals(0, mCM.requested.size()); |
| |
| preferredTypes.remove(TYPE_MOBILE_HIPRI); |
| preferredTypes.add(TYPE_MOBILE_DUN); |
| // This is coupled with preferred types in TetheringConfiguration. |
| mUNM.updateMobileRequiresDun(true); |
| assertSatisfiesLegacyType(TYPE_WIFI, mUNM.selectPreferredUpstreamType(preferredTypes)); |
| |
| final TestNetworkAgent dunAgent = new TestNetworkAgent(mCM, TRANSPORT_CELLULAR); |
| dunAgent.networkCapabilities.addCapability(NET_CAPABILITY_DUN); |
| dunAgent.fakeConnect(); |
| |
| // WiFi is still preferred. |
| assertSatisfiesLegacyType(TYPE_WIFI, mUNM.selectPreferredUpstreamType(preferredTypes)); |
| |
| // WiFi goes down, cell and DUN are still up but only DUN is preferred. |
| wifiAgent.fakeDisconnect(); |
| assertSatisfiesLegacyType(TYPE_MOBILE_DUN, |
| mUNM.selectPreferredUpstreamType(preferredTypes)); |
| // Check to see we filed an explicit request. |
| assertEquals(1, mCM.requested.size()); |
| netReq = (NetworkRequest) mCM.requested.values().toArray()[0]; |
| assertTrue(netReq.networkCapabilities.hasTransport(TRANSPORT_CELLULAR)); |
| assertTrue(netReq.networkCapabilities.hasCapability(NET_CAPABILITY_DUN)); |
| // mobile is not permitted, we should not use DUN. |
| when(mEntitleMgr.isCellularUpstreamPermitted()).thenReturn(false); |
| assertSatisfiesLegacyType(TYPE_NONE, mUNM.selectPreferredUpstreamType(preferredTypes)); |
| assertEquals(0, mCM.requested.size()); |
| // mobile change back to permitted, DUN should come back |
| when(mEntitleMgr.isCellularUpstreamPermitted()).thenReturn(true); |
| assertSatisfiesLegacyType(TYPE_MOBILE_DUN, |
| mUNM.selectPreferredUpstreamType(preferredTypes)); |
| } |
| |
| @Test |
| public void testGetCurrentPreferredUpstream() throws Exception { |
| mUNM.startTrackDefaultNetwork(sDefaultRequest, mEntitleMgr); |
| mUNM.startObserveAllNetworks(); |
| mUNM.updateMobileRequiresDun(false); |
| |
| // [0] Mobile connects, DUN not required -> mobile selected. |
| final TestNetworkAgent cellAgent = new TestNetworkAgent(mCM, TRANSPORT_CELLULAR); |
| cellAgent.fakeConnect(); |
| mCM.makeDefaultNetwork(cellAgent); |
| assertEquals(cellAgent.networkId, mUNM.getCurrentPreferredUpstream().network); |
| |
| // [1] Mobile connects but not permitted -> null selected |
| when(mEntitleMgr.isCellularUpstreamPermitted()).thenReturn(false); |
| assertEquals(null, mUNM.getCurrentPreferredUpstream()); |
| when(mEntitleMgr.isCellularUpstreamPermitted()).thenReturn(true); |
| |
| // [2] WiFi connects but not validated/promoted to default -> mobile selected. |
| final TestNetworkAgent wifiAgent = new TestNetworkAgent(mCM, TRANSPORT_WIFI); |
| wifiAgent.fakeConnect(); |
| assertEquals(cellAgent.networkId, mUNM.getCurrentPreferredUpstream().network); |
| |
| // [3] WiFi validates and is promoted to the default network -> WiFi selected. |
| mCM.makeDefaultNetwork(wifiAgent); |
| assertEquals(wifiAgent.networkId, mUNM.getCurrentPreferredUpstream().network); |
| |
| // [4] DUN required, no other changes -> WiFi still selected |
| mUNM.updateMobileRequiresDun(true); |
| assertEquals(wifiAgent.networkId, mUNM.getCurrentPreferredUpstream().network); |
| |
| // [5] WiFi no longer validated, mobile becomes default, DUN required -> null selected. |
| mCM.makeDefaultNetwork(cellAgent); |
| assertEquals(null, mUNM.getCurrentPreferredUpstream()); |
| // TODO: make sure that a DUN request has been filed. This is currently |
| // triggered by code over in Tethering, but once that has been moved |
| // into UNM we should test for this here. |
| |
| // [6] DUN network arrives -> DUN selected |
| final TestNetworkAgent dunAgent = new TestNetworkAgent(mCM, TRANSPORT_CELLULAR); |
| dunAgent.networkCapabilities.addCapability(NET_CAPABILITY_DUN); |
| dunAgent.networkCapabilities.removeCapability(NET_CAPABILITY_INTERNET); |
| dunAgent.fakeConnect(); |
| assertEquals(dunAgent.networkId, mUNM.getCurrentPreferredUpstream().network); |
| |
| // [7] Mobile is not permitted -> null selected |
| when(mEntitleMgr.isCellularUpstreamPermitted()).thenReturn(false); |
| assertEquals(null, mUNM.getCurrentPreferredUpstream()); |
| } |
| |
| @Test |
| public void testLocalPrefixes() throws Exception { |
| mUNM.startTrackDefaultNetwork(sDefaultRequest, mEntitleMgr); |
| mUNM.startObserveAllNetworks(); |
| |
| // [0] Test minimum set of local prefixes. |
| Set<IpPrefix> local = mUNM.getLocalPrefixes(); |
| assertTrue(local.isEmpty()); |
| |
| final Set<String> alreadySeen = new HashSet<>(); |
| |
| // [1] Pretend Wi-Fi connects. |
| final TestNetworkAgent wifiAgent = new TestNetworkAgent(mCM, TRANSPORT_WIFI); |
| final LinkProperties wifiLp = wifiAgent.linkProperties; |
| wifiLp.setInterfaceName("wlan0"); |
| final String[] wifi_addrs = { |
| "fe80::827a:bfff:fe6f:374d", "100.112.103.18", |
| "2001:db8:4:fd00:827a:bfff:fe6f:374d", |
| "2001:db8:4:fd00:6dea:325a:fdae:4ef4", |
| "fd6a:a640:60bf:e985::123", // ULA address for good measure. |
| }; |
| for (String addrStr : wifi_addrs) { |
| final String cidr = addrStr.contains(":") ? "/64" : "/20"; |
| wifiLp.addLinkAddress(new LinkAddress(addrStr + cidr)); |
| } |
| wifiAgent.fakeConnect(); |
| wifiAgent.sendLinkProperties(); |
| |
| local = mUNM.getLocalPrefixes(); |
| assertPrefixSet(local, INCLUDES, alreadySeen); |
| final String[] wifiLinkPrefixes = { |
| // Link-local prefixes are excluded and dealt with elsewhere. |
| "100.112.96.0/20", "2001:db8:4:fd00::/64", "fd6a:a640:60bf:e985::/64", |
| }; |
| assertPrefixSet(local, INCLUDES, wifiLinkPrefixes); |
| Collections.addAll(alreadySeen, wifiLinkPrefixes); |
| assertEquals(alreadySeen.size(), local.size()); |
| |
| // [2] Pretend mobile connects. |
| final TestNetworkAgent cellAgent = new TestNetworkAgent(mCM, TRANSPORT_CELLULAR); |
| final LinkProperties cellLp = cellAgent.linkProperties; |
| cellLp.setInterfaceName("rmnet_data0"); |
| final String[] cell_addrs = { |
| "10.102.211.48", "2001:db8:0:1:b50e:70d9:10c9:433d", |
| }; |
| for (String addrStr : cell_addrs) { |
| final String cidr = addrStr.contains(":") ? "/64" : "/27"; |
| cellLp.addLinkAddress(new LinkAddress(addrStr + cidr)); |
| } |
| cellAgent.fakeConnect(); |
| cellAgent.sendLinkProperties(); |
| |
| local = mUNM.getLocalPrefixes(); |
| assertPrefixSet(local, INCLUDES, alreadySeen); |
| final String[] cellLinkPrefixes = { "10.102.211.32/27", "2001:db8:0:1::/64" }; |
| assertPrefixSet(local, INCLUDES, cellLinkPrefixes); |
| Collections.addAll(alreadySeen, cellLinkPrefixes); |
| assertEquals(alreadySeen.size(), local.size()); |
| |
| // [3] Pretend DUN connects. |
| final TestNetworkAgent dunAgent = new TestNetworkAgent(mCM, TRANSPORT_CELLULAR); |
| dunAgent.networkCapabilities.addCapability(NET_CAPABILITY_DUN); |
| dunAgent.networkCapabilities.removeCapability(NET_CAPABILITY_INTERNET); |
| final LinkProperties dunLp = dunAgent.linkProperties; |
| dunLp.setInterfaceName("rmnet_data1"); |
| final String[] dun_addrs = { |
| "192.0.2.48", "2001:db8:1:2:b50e:70d9:10c9:433d", |
| }; |
| for (String addrStr : dun_addrs) { |
| final String cidr = addrStr.contains(":") ? "/64" : "/27"; |
| dunLp.addLinkAddress(new LinkAddress(addrStr + cidr)); |
| } |
| dunAgent.fakeConnect(); |
| dunAgent.sendLinkProperties(); |
| |
| local = mUNM.getLocalPrefixes(); |
| assertPrefixSet(local, INCLUDES, alreadySeen); |
| final String[] dunLinkPrefixes = { "192.0.2.32/27", "2001:db8:1:2::/64" }; |
| assertPrefixSet(local, INCLUDES, dunLinkPrefixes); |
| Collections.addAll(alreadySeen, dunLinkPrefixes); |
| assertEquals(alreadySeen.size(), local.size()); |
| |
| // [4] Pretend Wi-Fi disconnected. It's addresses/prefixes should no |
| // longer be included (should be properly removed). |
| wifiAgent.fakeDisconnect(); |
| local = mUNM.getLocalPrefixes(); |
| assertPrefixSet(local, EXCLUDES, wifiLinkPrefixes); |
| assertPrefixSet(local, INCLUDES, cellLinkPrefixes); |
| assertPrefixSet(local, INCLUDES, dunLinkPrefixes); |
| |
| // [5] Pretend mobile disconnected. |
| cellAgent.fakeDisconnect(); |
| local = mUNM.getLocalPrefixes(); |
| assertPrefixSet(local, EXCLUDES, wifiLinkPrefixes); |
| assertPrefixSet(local, EXCLUDES, cellLinkPrefixes); |
| assertPrefixSet(local, INCLUDES, dunLinkPrefixes); |
| |
| // [6] Pretend DUN disconnected. |
| dunAgent.fakeDisconnect(); |
| local = mUNM.getLocalPrefixes(); |
| assertTrue(local.isEmpty()); |
| } |
| |
| @Test |
| public void testSelectMobileWhenMobileIsNotDefault() { |
| final Collection<Integer> preferredTypes = new ArrayList<>(); |
| // Mobile has higher pirority than wifi. |
| preferredTypes.add(TYPE_MOBILE_HIPRI); |
| preferredTypes.add(TYPE_WIFI); |
| mUNM.startTrackDefaultNetwork(sDefaultRequest, mEntitleMgr); |
| mUNM.startObserveAllNetworks(); |
| // Setup wifi and make wifi as default network. |
| final TestNetworkAgent wifiAgent = new TestNetworkAgent(mCM, TRANSPORT_WIFI); |
| wifiAgent.fakeConnect(); |
| mCM.makeDefaultNetwork(wifiAgent); |
| // Setup mobile network. |
| final TestNetworkAgent cellAgent = new TestNetworkAgent(mCM, TRANSPORT_CELLULAR); |
| cellAgent.fakeConnect(); |
| |
| assertSatisfiesLegacyType(TYPE_MOBILE_HIPRI, |
| mUNM.selectPreferredUpstreamType(preferredTypes)); |
| verify(mEntitleMgr, times(1)).maybeRunProvisioning(); |
| } |
| |
| private void assertSatisfiesLegacyType(int legacyType, UpstreamNetworkState ns) { |
| if (legacyType == TYPE_NONE) { |
| assertTrue(ns == null); |
| return; |
| } |
| |
| final NetworkCapabilities nc = |
| UpstreamNetworkMonitor.networkCapabilitiesForType(legacyType); |
| assertTrue(nc.satisfiedByNetworkCapabilities(ns.networkCapabilities)); |
| } |
| |
| private void assertUpstreamTypeRequested(int upstreamType) throws Exception { |
| assertEquals(1, mCM.requested.size()); |
| assertEquals(1, mCM.legacyTypeMap.size()); |
| assertEquals(Integer.valueOf(upstreamType), |
| mCM.legacyTypeMap.values().iterator().next()); |
| } |
| |
| private boolean isDunRequested() { |
| for (NetworkRequest req : mCM.requested.values()) { |
| if (req.networkCapabilities.hasCapability(NET_CAPABILITY_DUN)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static class TestConnectivityManager extends ConnectivityManager { |
| public Map<NetworkCallback, Handler> allCallbacks = new HashMap<>(); |
| public Set<NetworkCallback> trackingDefault = new HashSet<>(); |
| public TestNetworkAgent defaultNetwork = null; |
| public Map<NetworkCallback, NetworkRequest> listening = new HashMap<>(); |
| public Map<NetworkCallback, NetworkRequest> requested = new HashMap<>(); |
| public Map<NetworkCallback, Integer> legacyTypeMap = new HashMap<>(); |
| |
| private int mNetworkId = 100; |
| |
| public TestConnectivityManager(Context ctx, IConnectivityManager svc) { |
| super(ctx, svc); |
| } |
| |
| boolean hasNoCallbacks() { |
| return allCallbacks.isEmpty() |
| && trackingDefault.isEmpty() |
| && listening.isEmpty() |
| && requested.isEmpty() |
| && legacyTypeMap.isEmpty(); |
| } |
| |
| boolean onlyHasDefaultCallbacks() { |
| return (allCallbacks.size() == 1) |
| && (trackingDefault.size() == 1) |
| && listening.isEmpty() |
| && requested.isEmpty() |
| && legacyTypeMap.isEmpty(); |
| } |
| |
| boolean isListeningForAll() { |
| final NetworkCapabilities empty = new NetworkCapabilities(); |
| empty.clearAll(); |
| |
| for (NetworkRequest req : listening.values()) { |
| if (req.networkCapabilities.equalRequestableCapabilities(empty)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| int getNetworkId() { |
| return ++mNetworkId; |
| } |
| |
| void makeDefaultNetwork(TestNetworkAgent agent) { |
| if (Objects.equals(defaultNetwork, agent)) return; |
| |
| final TestNetworkAgent formerDefault = defaultNetwork; |
| defaultNetwork = agent; |
| |
| for (NetworkCallback cb : trackingDefault) { |
| if (defaultNetwork != null) { |
| cb.onAvailable(defaultNetwork.networkId); |
| cb.onCapabilitiesChanged( |
| defaultNetwork.networkId, defaultNetwork.networkCapabilities); |
| cb.onLinkPropertiesChanged( |
| defaultNetwork.networkId, defaultNetwork.linkProperties); |
| } |
| } |
| } |
| |
| @Override |
| public void requestNetwork(NetworkRequest req, NetworkCallback cb, Handler h) { |
| assertFalse(allCallbacks.containsKey(cb)); |
| allCallbacks.put(cb, h); |
| if (sDefaultRequest.equals(req)) { |
| assertFalse(trackingDefault.contains(cb)); |
| trackingDefault.add(cb); |
| } else { |
| assertFalse(requested.containsKey(cb)); |
| requested.put(cb, req); |
| } |
| } |
| |
| @Override |
| public void requestNetwork(NetworkRequest req, NetworkCallback cb) { |
| fail("Should never be called."); |
| } |
| |
| @Override |
| public void requestNetwork(NetworkRequest req, |
| int timeoutMs, int legacyType, Handler h, NetworkCallback cb) { |
| assertFalse(allCallbacks.containsKey(cb)); |
| allCallbacks.put(cb, h); |
| assertFalse(requested.containsKey(cb)); |
| requested.put(cb, req); |
| assertFalse(legacyTypeMap.containsKey(cb)); |
| if (legacyType != ConnectivityManager.TYPE_NONE) { |
| legacyTypeMap.put(cb, legacyType); |
| } |
| } |
| |
| @Override |
| public void registerNetworkCallback(NetworkRequest req, NetworkCallback cb, Handler h) { |
| assertFalse(allCallbacks.containsKey(cb)); |
| allCallbacks.put(cb, h); |
| assertFalse(listening.containsKey(cb)); |
| listening.put(cb, req); |
| } |
| |
| @Override |
| public void registerNetworkCallback(NetworkRequest req, NetworkCallback cb) { |
| fail("Should never be called."); |
| } |
| |
| @Override |
| public void registerDefaultNetworkCallback(NetworkCallback cb, Handler h) { |
| fail("Should never be called."); |
| } |
| |
| @Override |
| public void registerDefaultNetworkCallback(NetworkCallback cb) { |
| fail("Should never be called."); |
| } |
| |
| @Override |
| public void unregisterNetworkCallback(NetworkCallback cb) { |
| if (trackingDefault.contains(cb)) { |
| trackingDefault.remove(cb); |
| } else if (listening.containsKey(cb)) { |
| listening.remove(cb); |
| } else if (requested.containsKey(cb)) { |
| requested.remove(cb); |
| legacyTypeMap.remove(cb); |
| } else { |
| fail("Unexpected callback removed"); |
| } |
| allCallbacks.remove(cb); |
| |
| assertFalse(allCallbacks.containsKey(cb)); |
| assertFalse(trackingDefault.contains(cb)); |
| assertFalse(listening.containsKey(cb)); |
| assertFalse(requested.containsKey(cb)); |
| } |
| } |
| |
| public static class TestNetworkAgent { |
| public final TestConnectivityManager cm; |
| public final Network networkId; |
| public final int transportType; |
| public final NetworkCapabilities networkCapabilities; |
| public final LinkProperties linkProperties; |
| |
| public TestNetworkAgent(TestConnectivityManager cm, int transportType) { |
| this.cm = cm; |
| this.networkId = new Network(cm.getNetworkId()); |
| this.transportType = transportType; |
| networkCapabilities = new NetworkCapabilities(); |
| networkCapabilities.addTransportType(transportType); |
| networkCapabilities.addCapability(NET_CAPABILITY_INTERNET); |
| linkProperties = new LinkProperties(); |
| } |
| |
| public void fakeConnect() { |
| for (NetworkCallback cb : cm.listening.keySet()) { |
| cb.onAvailable(networkId); |
| cb.onCapabilitiesChanged(networkId, copy(networkCapabilities)); |
| cb.onLinkPropertiesChanged(networkId, copy(linkProperties)); |
| } |
| } |
| |
| public void fakeDisconnect() { |
| for (NetworkCallback cb : cm.listening.keySet()) { |
| cb.onLost(networkId); |
| } |
| } |
| |
| public void sendLinkProperties() { |
| for (NetworkCallback cb : cm.listening.keySet()) { |
| cb.onLinkPropertiesChanged(networkId, copy(linkProperties)); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("TestNetworkAgent: %s %s", networkId, networkCapabilities); |
| } |
| } |
| |
| public static class TestStateMachine extends StateMachine { |
| public final ArrayList<Message> messages = new ArrayList<>(); |
| private final State mLoggingState = new LoggingState(); |
| |
| class LoggingState extends State { |
| @Override public void enter() { |
| messages.clear(); |
| } |
| |
| @Override public void exit() { |
| messages.clear(); |
| } |
| |
| @Override public boolean processMessage(Message msg) { |
| messages.add(msg); |
| return true; |
| } |
| } |
| |
| public TestStateMachine() { |
| super("UpstreamNetworkMonitor.TestStateMachine"); |
| addState(mLoggingState); |
| setInitialState(mLoggingState); |
| super.start(); |
| } |
| } |
| |
| static NetworkCapabilities copy(NetworkCapabilities nc) { |
| return new NetworkCapabilities(nc); |
| } |
| |
| static LinkProperties copy(LinkProperties lp) { |
| return new LinkProperties(lp); |
| } |
| |
| static void assertPrefixSet(Set<IpPrefix> prefixes, boolean expectation, String... expected) { |
| final Set<String> expectedSet = new HashSet<>(); |
| Collections.addAll(expectedSet, expected); |
| assertPrefixSet(prefixes, expectation, expectedSet); |
| } |
| |
| static void assertPrefixSet(Set<IpPrefix> prefixes, boolean expectation, Set<String> expected) { |
| for (String expectedPrefix : expected) { |
| final String errStr = expectation ? "did not find" : "found"; |
| assertEquals( |
| String.format("Failed expectation: %s prefix: %s", errStr, expectedPrefix), |
| expectation, prefixes.contains(new IpPrefix(expectedPrefix))); |
| } |
| } |
| } |
