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Merge "Add tests for the network blocked status change"

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This commit is contained in:
Junyu Lai
2018-10-19 15:20:48 +00:00
committed by Gerrit Code Review
parent f709e754ab f9729757f9
commit af0de1a2e9
4 changed files with 248 additions and 11 deletions
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3
services/core/java/com/android/server/ConnectivityService.java
View File

@@ -934,7 +934,8 @@ public class ConnectivityService extends IConnectivityManager.Stub
registerPrivateDnsSettingsCallbacks();
}
private Tethering makeTethering() {
@VisibleForTesting
protected Tethering makeTethering() {
// TODO: Move other elements into @Overridden getters.
final TetheringDependencies deps = new TetheringDependencies() {
@Override

80
services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java
View File

@@ -26,13 +26,21 @@ import static android.net.NetworkPolicy.WARNING_DISABLED;
import static android.net.NetworkPolicyManager.POLICY_ALLOW_METERED_BACKGROUND;
import static android.net.NetworkPolicyManager.POLICY_NONE;
import static android.net.NetworkPolicyManager.POLICY_REJECT_METERED_BACKGROUND;
import static android.net.NetworkPolicyManager.RULE_ALLOW_ALL;
import static android.net.NetworkPolicyManager.RULE_ALLOW_METERED;
import static android.net.NetworkPolicyManager.RULE_NONE;
import static android.net.NetworkPolicyManager.RULE_REJECT_ALL;
import static android.net.NetworkPolicyManager.RULE_REJECT_METERED;
import static android.net.NetworkPolicyManager.RULE_TEMPORARY_ALLOW_METERED;
import static android.net.NetworkPolicyManager.uidPoliciesToString;
import static android.net.NetworkPolicyManager.uidRulesToString;
import static android.net.NetworkStats.IFACE_ALL;
import static android.net.NetworkStats.SET_ALL;
import static android.net.NetworkStats.TAG_ALL;
import static android.net.NetworkTemplate.buildTemplateMobileAll;
import static android.net.NetworkTemplate.buildTemplateWifi;
import static android.net.TrafficStats.MB_IN_BYTES;
import static android.os.Process.SYSTEM_UID;
import static android.telephony.CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED;
import static android.telephony.CarrierConfigManager.DATA_CYCLE_THRESHOLD_DISABLED;
import static android.telephony.CarrierConfigManager.DATA_CYCLE_USE_PLATFORM_DEFAULT;
@@ -125,6 +133,7 @@ import android.text.TextUtils;
import android.text.format.Time;
import android.util.DataUnit;
import android.util.Log;
import android.util.Pair;
import android.util.Range;
import android.util.RecurrenceRule;
@@ -169,6 +178,7 @@ import java.time.Period;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Iterator;
@@ -1642,6 +1652,76 @@ public class NetworkPolicyManagerServiceTest {
true);
}
/**
* Exhaustively test isUidNetworkingBlocked to output the expected results based on external
* conditions.
*/
@Test
public void testIsUidNetworkingBlocked() {
final ArrayList<Pair<Boolean, Integer>> expectedBlockedStates = new ArrayList<>();
// Metered network. Data saver on.
expectedBlockedStates.add(new Pair<>(true, RULE_NONE));
expectedBlockedStates.add(new Pair<>(false, RULE_ALLOW_METERED));
expectedBlockedStates.add(new Pair<>(false, RULE_TEMPORARY_ALLOW_METERED));
expectedBlockedStates.add(new Pair<>(true, RULE_REJECT_METERED));
expectedBlockedStates.add(new Pair<>(true, RULE_ALLOW_ALL));
expectedBlockedStates.add(new Pair<>(true, RULE_REJECT_ALL));
verifyNetworkBlockedState(
true /* metered */, true /* backgroundRestricted */, expectedBlockedStates);
expectedBlockedStates.clear();
// Metered network. Data saver off.
expectedBlockedStates.add(new Pair<>(false, RULE_NONE));
expectedBlockedStates.add(new Pair<>(false, RULE_ALLOW_METERED));
expectedBlockedStates.add(new Pair<>(false, RULE_TEMPORARY_ALLOW_METERED));
expectedBlockedStates.add(new Pair<>(true, RULE_REJECT_METERED));
expectedBlockedStates.add(new Pair<>(false, RULE_ALLOW_ALL));
expectedBlockedStates.add(new Pair<>(true, RULE_REJECT_ALL));
verifyNetworkBlockedState(
true /* metered */, false /* backgroundRestricted */, expectedBlockedStates);
expectedBlockedStates.clear();
// Non-metered network. Data saver on.
expectedBlockedStates.add(new Pair<>(false, RULE_NONE));
expectedBlockedStates.add(new Pair<>(false, RULE_ALLOW_METERED));
expectedBlockedStates.add(new Pair<>(false, RULE_TEMPORARY_ALLOW_METERED));
expectedBlockedStates.add(new Pair<>(false, RULE_REJECT_METERED));
expectedBlockedStates.add(new Pair<>(false, RULE_ALLOW_ALL));
expectedBlockedStates.add(new Pair<>(true, RULE_REJECT_ALL));
verifyNetworkBlockedState(
false /* metered */, true /* backgroundRestricted */, expectedBlockedStates);
// Non-metered network. Data saver off. The result is the same as previous case since
// the network is blocked only for RULE_REJECT_ALL regardless of data saver.
verifyNetworkBlockedState(
false /* metered */, false /* backgroundRestricted */, expectedBlockedStates);
expectedBlockedStates.clear();
}
private void verifyNetworkBlockedState(boolean metered, boolean backgroundRestricted,
ArrayList<Pair<Boolean, Integer>> expectedBlockedStateForRules) {
final NetworkPolicyManagerInternal npmi = LocalServices
.getService(NetworkPolicyManagerInternal.class);
for (Pair<Boolean, Integer> pair : expectedBlockedStateForRules) {
final boolean expectedResult = pair.first;
final int rule = pair.second;
assertEquals(formatBlockedStateError(UID_A, rule, metered, backgroundRestricted),
expectedResult,
npmi.isUidNetworkingBlocked(UID_A, rule, metered, backgroundRestricted));
assertFalse(formatBlockedStateError(SYSTEM_UID, rule, metered, backgroundRestricted),
npmi.isUidNetworkingBlocked(SYSTEM_UID, rule, metered, backgroundRestricted));
}
}
private String formatBlockedStateError(int uid, int rule, boolean metered,
boolean backgroundRestricted) {
return String.format(
"Unexpected BlockedState: (uid=%d, rule=%s, metered=%b, backgroundRestricted=%b)",
uid, uidRulesToString(rule), metered, backgroundRestricted);
}
private SubscriptionPlan buildMonthlyDataPlan(ZonedDateTime start, long limitBytes) {
return SubscriptionPlan.Builder
.createRecurringMonthly(start)

4
tests/net/java/android/net/ConnectivityManagerTest.java
View File

@@ -219,7 +219,7 @@ public class ConnectivityManagerTest {
// callback triggers
captor.getValue().send(makeMessage(request, ConnectivityManager.CALLBACK_AVAILABLE));
verify(callback, timeout(500).times(1)).onAvailable(any(Network.class),
any(NetworkCapabilities.class), any(LinkProperties.class));
any(NetworkCapabilities.class), any(LinkProperties.class), anyBoolean());
// unregister callback
manager.unregisterNetworkCallback(callback);
@@ -247,7 +247,7 @@ public class ConnectivityManagerTest {
// callback triggers
captor.getValue().send(makeMessage(req1, ConnectivityManager.CALLBACK_AVAILABLE));
verify(callback, timeout(100).times(1)).onAvailable(any(Network.class),
any(NetworkCapabilities.class), any(LinkProperties.class));
any(NetworkCapabilities.class), any(LinkProperties.class), anyBoolean());
// unregister callback
manager.unregisterNetworkCallback(callback);

172
tests/net/java/com/android/server/ConnectivityServiceTest.java
View File

@@ -51,6 +51,10 @@ import static android.net.NetworkCapabilities.TRANSPORT_ETHERNET;
import static android.net.NetworkCapabilities.TRANSPORT_VPN;
import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
import static android.net.NetworkCapabilities.TRANSPORT_WIFI_AWARE;
import static android.net.NetworkPolicyManager.RULE_ALLOW_METERED;
import static android.net.NetworkPolicyManager.RULE_NONE;
import static android.net.NetworkPolicyManager.RULE_REJECT_ALL;
import static android.net.NetworkPolicyManager.RULE_REJECT_METERED;
import static com.android.internal.util.TestUtils.waitForIdleHandler;
import static com.android.internal.util.TestUtils.waitForIdleLooper;
@@ -92,6 +96,7 @@ import android.net.ConnectivityManager.PacketKeepalive;
import android.net.ConnectivityManager.PacketKeepaliveCallback;
import android.net.ConnectivityManager.TooManyRequestsException;
import android.net.ConnectivityThread;
import android.net.INetworkPolicyListener;
import android.net.INetworkPolicyManager;
import android.net.INetworkStatsService;
import android.net.InterfaceConfiguration;
@@ -148,6 +153,7 @@ import com.android.server.connectivity.MockableSystemProperties;
import com.android.server.connectivity.Nat464Xlat;
import com.android.server.connectivity.NetworkAgentInfo;
import com.android.server.connectivity.NetworkMonitor;
import com.android.server.connectivity.Tethering;
import com.android.server.connectivity.Vpn;
import com.android.server.net.NetworkPinner;
import com.android.server.net.NetworkPolicyManagerInternal;
@@ -215,11 +221,13 @@ public class ConnectivityServiceTest {
private MockNetworkAgent mEthernetNetworkAgent;
private MockVpn mMockVpn;
private Context mContext;
private INetworkPolicyListener mPolicyListener;
@Mock IpConnectivityMetrics.Logger mMetricsService;
@Mock DefaultNetworkMetrics mDefaultNetworkMetrics;
@Mock INetworkManagementService mNetworkManagementService;
@Mock INetworkStatsService mStatsService;
@Mock INetworkPolicyManager mNpm;
private ArgumentCaptor<String[]> mStringArrayCaptor = ArgumentCaptor.forClass(String[].class);
@@ -933,6 +941,11 @@ public class ConnectivityServiceTest {
return mSystemProperties;
}
@Override
protected Tethering makeTethering() {
return mock(Tethering.class);
}
@Override
protected int reserveNetId() {
while (true) {
@@ -1023,6 +1036,20 @@ public class ConnectivityServiceTest {
public void waitForIdle() {
waitForIdle(TIMEOUT_MS);
}
public void setUidRulesChanged(int uidRules) {
try {
mPolicyListener.onUidRulesChanged(Process.myUid(), uidRules);
} catch (RemoteException ignored) {
}
}
public void setRestrictBackgroundChanged(boolean restrictBackground) {
try {
mPolicyListener.onRestrictBackgroundChanged(restrictBackground);
} catch (RemoteException ignored) {
}
}
}
/**
@@ -1055,12 +1082,18 @@ public class ConnectivityServiceTest {
LocalServices.removeServiceForTest(NetworkPolicyManagerInternal.class);
LocalServices.addService(
NetworkPolicyManagerInternal.class, mock(NetworkPolicyManagerInternal.class));
mService = new WrappedConnectivityService(mServiceContext,
mNetworkManagementService,
mStatsService,
mock(INetworkPolicyManager.class),
mNpm,
mock(IpConnectivityLog.class));
final ArgumentCaptor<INetworkPolicyListener> policyListenerCaptor =
ArgumentCaptor.forClass(INetworkPolicyListener.class);
verify(mNpm).registerListener(policyListenerCaptor.capture());
mPolicyListener = policyListenerCaptor.getValue();
// Create local CM before sending system ready so that we can answer
// getSystemService() correctly.
mCm = new WrappedConnectivityManager(InstrumentationRegistry.getContext(), mService);
@@ -1441,7 +1474,8 @@ public class ConnectivityServiceTest {
RESUMED,
LOSING,
LOST,
UNAVAILABLE
UNAVAILABLE,
BLOCKED_STATUS
}
private static class CallbackInfo {
@@ -1522,6 +1556,11 @@ public class ConnectivityServiceTest {
setLastCallback(CallbackState.LOST, network, null);
}
@Override
public void onBlockedStatusChanged(Network network, boolean blocked) {
setLastCallback(CallbackState.BLOCKED_STATUS, network, blocked);
}
public Network getLastAvailableNetwork() {
return mLastAvailableNetwork;
}
@@ -1582,6 +1621,7 @@ public class ConnectivityServiceTest {
// - onSuspended, iff the network was suspended when the callbacks fire.
// - onCapabilitiesChanged.
// - onLinkPropertiesChanged.
// - onBlockedStatusChanged.
//
// @param agent the network to expect the callbacks on.
// @param expectSuspended whether to expect a SUSPENDED callback.
@@ -1589,7 +1629,7 @@ public class ConnectivityServiceTest {
// onCapabilitiesChanged callback.
// @param timeoutMs how long to wait for the callbacks.
void expectAvailableCallbacks(MockNetworkAgent agent, boolean expectSuspended,
boolean expectValidated, int timeoutMs) {
boolean expectValidated, boolean expectBlocked, int timeoutMs) {
expectCallback(CallbackState.AVAILABLE, agent, timeoutMs);
if (expectSuspended) {
expectCallback(CallbackState.SUSPENDED, agent, timeoutMs);
@@ -1600,19 +1640,28 @@ public class ConnectivityServiceTest {
expectCapabilitiesWithout(NET_CAPABILITY_VALIDATED, agent, timeoutMs);
}
expectCallback(CallbackState.LINK_PROPERTIES, agent, timeoutMs);
expectBlockedStatusCallback(expectBlocked, agent);
}
// Expects the available callbacks (validated), plus onSuspended.
void expectAvailableAndSuspendedCallbacks(MockNetworkAgent agent, boolean expectValidated) {
expectAvailableCallbacks(agent, true, expectValidated, TEST_CALLBACK_TIMEOUT_MS);
expectAvailableCallbacks(agent, true, expectValidated, false, TEST_CALLBACK_TIMEOUT_MS);
}
void expectAvailableCallbacksValidated(MockNetworkAgent agent) {
expectAvailableCallbacks(agent, false, true, TEST_CALLBACK_TIMEOUT_MS);
expectAvailableCallbacks(agent, false, true, false, TEST_CALLBACK_TIMEOUT_MS);
}
void expectAvailableCallbacksValidatedAndBlocked(MockNetworkAgent agent) {
expectAvailableCallbacks(agent, false, true, true, TEST_CALLBACK_TIMEOUT_MS);
}
void expectAvailableCallbacksUnvalidated(MockNetworkAgent agent) {
expectAvailableCallbacks(agent, false, false, TEST_CALLBACK_TIMEOUT_MS);
expectAvailableCallbacks(agent, false, false, false, TEST_CALLBACK_TIMEOUT_MS);
}
void expectAvailableCallbacksUnvalidatedAndBlocked(MockNetworkAgent agent) {
expectAvailableCallbacks(agent, false, false, true, TEST_CALLBACK_TIMEOUT_MS);
}
// Expects the available callbacks (where the onCapabilitiesChanged must contain the
@@ -1623,6 +1672,9 @@ public class ConnectivityServiceTest {
expectCallback(CallbackState.AVAILABLE, agent, TEST_CALLBACK_TIMEOUT_MS);
NetworkCapabilities nc1 = expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, agent);
expectCallback(CallbackState.LINK_PROPERTIES, agent, TEST_CALLBACK_TIMEOUT_MS);
// Implicitly check the network is allowed to use.
// TODO: should we need to consider if network is in blocked status in this case?
expectBlockedStatusCallback(false, agent);
NetworkCapabilities nc2 = expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, agent);
assertEquals(nc1, nc2);
}
@@ -1665,6 +1717,12 @@ public class ConnectivityServiceTest {
fn.test((NetworkCapabilities) cbi.arg));
}
void expectBlockedStatusCallback(boolean expectBlocked, MockNetworkAgent agent) {
CallbackInfo cbi = expectCallback(CallbackState.BLOCKED_STATUS, agent);
boolean actualBlocked = (boolean) cbi.arg;
assertEquals(expectBlocked, actualBlocked);
}
void assertNoCallback() {
waitForIdle();
CallbackInfo c = mCallbacks.peek();
@@ -3223,7 +3281,7 @@ public class ConnectivityServiceTest {
mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
mWiFiNetworkAgent.connect(false);
networkCallback.expectAvailableCallbacks(mWiFiNetworkAgent, false, false,
networkCallback.expectAvailableCallbacks(mWiFiNetworkAgent, false, false, false,
TEST_CALLBACK_TIMEOUT_MS);
// pass timeout and validate that UNAVAILABLE is not called
@@ -3243,7 +3301,7 @@ public class ConnectivityServiceTest {
mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
mWiFiNetworkAgent.connect(false);
networkCallback.expectAvailableCallbacks(mWiFiNetworkAgent, false, false,
networkCallback.expectAvailableCallbacks(mWiFiNetworkAgent, false, false, false,
TEST_CALLBACK_TIMEOUT_MS);
mWiFiNetworkAgent.disconnect();
networkCallback.expectCallback(CallbackState.LOST, mWiFiNetworkAgent);
@@ -3802,6 +3860,7 @@ public class ConnectivityServiceTest {
networkCallback.expectCallback(CallbackState.NETWORK_CAPABILITIES, networkAgent);
CallbackInfo cbi = networkCallback.expectCallback(CallbackState.LINK_PROPERTIES,
networkAgent);
networkCallback.expectCallback(CallbackState.BLOCKED_STATUS, networkAgent);
networkCallback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, networkAgent);
networkCallback.assertNoCallback();
checkDirectlyConnectedRoutes(cbi.arg, Arrays.asList(myIpv4Address),
@@ -4010,6 +4069,7 @@ public class ConnectivityServiceTest {
mCellNetworkAgent);
CallbackInfo cbi = cellNetworkCallback.expectCallback(
CallbackState.LINK_PROPERTIES, mCellNetworkAgent);
cellNetworkCallback.expectCallback(CallbackState.BLOCKED_STATUS, mCellNetworkAgent);
cellNetworkCallback.assertNoCallback();
assertFalse(((LinkProperties)cbi.arg).isPrivateDnsActive());
assertNull(((LinkProperties)cbi.arg).getPrivateDnsServerName());
@@ -4068,6 +4128,7 @@ public class ConnectivityServiceTest {
mCellNetworkAgent);
CallbackInfo cbi = cellNetworkCallback.expectCallback(
CallbackState.LINK_PROPERTIES, mCellNetworkAgent);
cellNetworkCallback.expectCallback(CallbackState.BLOCKED_STATUS, mCellNetworkAgent);
cellNetworkCallback.assertNoCallback();
assertFalse(((LinkProperties)cbi.arg).isPrivateDnsActive());
assertNull(((LinkProperties)cbi.arg).getPrivateDnsServerName());
@@ -4444,6 +4505,101 @@ public class ConnectivityServiceTest {
mMockVpn.disconnect();
}
@Test
public void testNetworkBlockedStatus() {
final TestNetworkCallback cellNetworkCallback = new TestNetworkCallback();
final NetworkRequest cellRequest = new NetworkRequest.Builder()
.addTransportType(TRANSPORT_CELLULAR)
.build();
mCm.registerNetworkCallback(cellRequest, cellNetworkCallback);
mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
mCellNetworkAgent.connect(true);
cellNetworkCallback.expectAvailableThenValidatedCallbacks(mCellNetworkAgent);
mService.setUidRulesChanged(RULE_REJECT_ALL);
cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
// ConnectivityService should cache it not to invoke the callback again.
mService.setUidRulesChanged(RULE_REJECT_METERED);
cellNetworkCallback.assertNoCallback();
mService.setUidRulesChanged(RULE_NONE);
cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
mService.setUidRulesChanged(RULE_REJECT_METERED);
cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
// Restrict the network based on UID rule and NOT_METERED capability change.
mCellNetworkAgent.addCapability(NET_CAPABILITY_NOT_METERED);
cellNetworkCallback.expectCapabilitiesWith(NET_CAPABILITY_NOT_METERED, mCellNetworkAgent);
cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
mCellNetworkAgent.removeCapability(NET_CAPABILITY_NOT_METERED);
cellNetworkCallback.expectCapabilitiesWithout(NET_CAPABILITY_NOT_METERED,
mCellNetworkAgent);
cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
mService.setUidRulesChanged(RULE_ALLOW_METERED);
cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
mService.setUidRulesChanged(RULE_NONE);
cellNetworkCallback.assertNoCallback();
// Restrict the network based on BackgroundRestricted.
mService.setRestrictBackgroundChanged(true);
cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
mService.setRestrictBackgroundChanged(true);
cellNetworkCallback.assertNoCallback();
mService.setRestrictBackgroundChanged(false);
cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
cellNetworkCallback.assertNoCallback();
mCm.unregisterNetworkCallback(cellNetworkCallback);
}
@Test
public void testNetworkBlockedStatusBeforeAndAfterConnect() {
final TestNetworkCallback defaultCallback = new TestNetworkCallback();
mCm.registerDefaultNetworkCallback(defaultCallback);
// No Networkcallbacks invoked before any network is active.
mService.setUidRulesChanged(RULE_REJECT_ALL);
mService.setUidRulesChanged(RULE_NONE);
mService.setUidRulesChanged(RULE_REJECT_METERED);
defaultCallback.assertNoCallback();
mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
mCellNetworkAgent.connect(true);
defaultCallback.expectAvailableCallbacksUnvalidatedAndBlocked(mCellNetworkAgent);
defaultCallback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mCellNetworkAgent);
// Allow to use the network after switching to NOT_METERED network.
mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
mWiFiNetworkAgent.addCapability(NET_CAPABILITY_NOT_METERED);
mWiFiNetworkAgent.connect(true);
defaultCallback.expectAvailableDoubleValidatedCallbacks(mWiFiNetworkAgent);
// Switch to METERED network. Restrict the use of the network.
mWiFiNetworkAgent.disconnect();
defaultCallback.expectCallback(CallbackState.LOST, mWiFiNetworkAgent);
defaultCallback.expectAvailableCallbacksValidatedAndBlocked(mCellNetworkAgent);
// Network becomes NOT_METERED.
mCellNetworkAgent.addCapability(NET_CAPABILITY_NOT_METERED);
defaultCallback.expectCapabilitiesWith(NET_CAPABILITY_NOT_METERED, mCellNetworkAgent);
defaultCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
// Verify there's no Networkcallbacks invoked after data saver on/off.
mService.setRestrictBackgroundChanged(true);
mService.setRestrictBackgroundChanged(false);
defaultCallback.assertNoCallback();
mCellNetworkAgent.disconnect();
defaultCallback.expectCallback(CallbackState.LOST, mCellNetworkAgent);
defaultCallback.assertNoCallback();
mCm.unregisterNetworkCallback(defaultCallback);
}
/**
* Make simulated InterfaceConfig for Nat464Xlat to query clat lower layer info.
*/