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/*
* Copyright (C) 2012 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;
import static android.net.ConnectivityManager.CONNECTIVITY_ACTION_IMMEDIATE;
import static android.net.ConnectivityManager.TYPE_MOBILE;
import static android.net.ConnectivityManager.TYPE_WIFI;
import static android.net.ConnectivityManager.getNetworkTypeName;
import static android.net.NetworkStateTracker.EVENT_STATE_CHANGED;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Matchers.eq;
import static org.mockito.Matchers.isA;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.verify;
import android.content.Context;
import android.net.INetworkPolicyManager;
import android.net.INetworkStatsService;
import android.net.LinkProperties;
import android.net.NetworkConfig;
import android.net.NetworkInfo;
import android.net.NetworkInfo.DetailedState;
import android.net.NetworkStateTracker;
import android.net.RouteInfo;
import android.os.Handler;
import android.os.INetworkManagementService;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.LargeTest;
import android.util.Log;
import android.util.LogPrinter;
import org.mockito.ArgumentCaptor;
import java.net.InetAddress;
import java.util.concurrent.Future;
/**
* Tests for {@link ConnectivityService}.
*/
@LargeTest
public class ConnectivityServiceTest extends AndroidTestCase {
private static final String TAG = "ConnectivityServiceTest";
private static final String MOBILE_IFACE = "rmnet3";
private static final String WIFI_IFACE = "wlan6";
private static final RouteInfo MOBILE_ROUTE_V4 = RouteInfo.makeHostRoute(parse("10.0.0.33"),
MOBILE_IFACE);
private static final RouteInfo MOBILE_ROUTE_V6 = RouteInfo.makeHostRoute(parse("fd00::33"),
MOBILE_IFACE);
private static final RouteInfo WIFI_ROUTE_V4 = RouteInfo.makeHostRoute(parse("192.168.0.66"),
parse("192.168.0.1"),
WIFI_IFACE);
private static final RouteInfo WIFI_ROUTE_V6 = RouteInfo.makeHostRoute(parse("fd00::66"),
parse("fd00::"),
WIFI_IFACE);
private INetworkManagementService mNetManager;
private INetworkStatsService mStatsService;
private INetworkPolicyManager mPolicyService;
private ConnectivityService.NetworkFactory mNetFactory;
private BroadcastInterceptingContext mServiceContext;
private ConnectivityService mService;
private MockNetwork mMobile;
private MockNetwork mWifi;
private Handler mTrackerHandler;
private static class MockNetwork {
public NetworkStateTracker tracker;
public NetworkInfo info;
public LinkProperties link;
public MockNetwork(int type) {
tracker = mock(NetworkStateTracker.class);
info = new NetworkInfo(type, -1, getNetworkTypeName(type), null);
link = new LinkProperties();
}
public void doReturnDefaults() {
// TODO: eventually CS should make defensive copies
doReturn(new NetworkInfo(info)).when(tracker).getNetworkInfo();
doReturn(new LinkProperties(link)).when(tracker).getLinkProperties();
// fallback to default TCP buffers
doReturn("").when(tracker).getTcpBufferSizesPropName();
}
}
@Override
public void setUp() throws Exception {
super.setUp();
mServiceContext = new BroadcastInterceptingContext(getContext());
mNetManager = mock(INetworkManagementService.class);
mStatsService = mock(INetworkStatsService.class);
mPolicyService = mock(INetworkPolicyManager.class);
mNetFactory = mock(ConnectivityService.NetworkFactory.class);
mMobile = new MockNetwork(TYPE_MOBILE);
mWifi = new MockNetwork(TYPE_WIFI);
// omit most network trackers
doThrow(new IllegalArgumentException("Not supported in test environment"))
.when(mNetFactory).createTracker(anyInt(), isA(NetworkConfig.class));
doReturn(mMobile.tracker)
.when(mNetFactory).createTracker(eq(TYPE_MOBILE), isA(NetworkConfig.class));
doReturn(mWifi.tracker)
.when(mNetFactory).createTracker(eq(TYPE_WIFI), isA(NetworkConfig.class));
final ArgumentCaptor<Handler> trackerHandler = ArgumentCaptor.forClass(Handler.class);
doNothing().when(mMobile.tracker)
.startMonitoring(isA(Context.class), trackerHandler.capture());
mService = new ConnectivityService(
mServiceContext, mNetManager, mStatsService, mPolicyService, mNetFactory);
mService.systemReady();
mTrackerHandler = trackerHandler.getValue();
mTrackerHandler.getLooper().setMessageLogging(new LogPrinter(Log.INFO, TAG));
}
@Override
public void tearDown() throws Exception {
super.tearDown();
}
public void testMobileConnectedAddedRoutes() throws Exception {
Future<?> nextConnBroadcast;
// bring up mobile network
mMobile.info.setDetailedState(DetailedState.CONNECTED, null, null);
mMobile.link.setInterfaceName(MOBILE_IFACE);
mMobile.link.addRoute(MOBILE_ROUTE_V4);
mMobile.link.addRoute(MOBILE_ROUTE_V6);
mMobile.doReturnDefaults();
nextConnBroadcast = mServiceContext.nextBroadcastIntent(CONNECTIVITY_ACTION_IMMEDIATE);
mTrackerHandler.obtainMessage(EVENT_STATE_CHANGED, mMobile.info).sendToTarget();
nextConnBroadcast.get();
// verify that both routes were added
int mobileNetId = mMobile.tracker.getNetwork().netId;
verify(mNetManager).addRoute(eq(mobileNetId), eq(MOBILE_ROUTE_V4));
verify(mNetManager).addRoute(eq(mobileNetId), eq(MOBILE_ROUTE_V6));
}
public void testMobileWifiHandoff() throws Exception {
Future<?> nextConnBroadcast;
// bring up mobile network
mMobile.info.setDetailedState(DetailedState.CONNECTED, null, null);
mMobile.link.setInterfaceName(MOBILE_IFACE);
mMobile.link.addRoute(MOBILE_ROUTE_V4);
mMobile.link.addRoute(MOBILE_ROUTE_V6);
mMobile.doReturnDefaults();
nextConnBroadcast = mServiceContext.nextBroadcastIntent(CONNECTIVITY_ACTION_IMMEDIATE);
mTrackerHandler.obtainMessage(EVENT_STATE_CHANGED, mMobile.info).sendToTarget();
nextConnBroadcast.get();
reset(mNetManager);
// now bring up wifi network
mWifi.info.setDetailedState(DetailedState.CONNECTED, null, null);
mWifi.link.setInterfaceName(WIFI_IFACE);
mWifi.link.addRoute(WIFI_ROUTE_V4);
mWifi.link.addRoute(WIFI_ROUTE_V6);
mWifi.doReturnDefaults();
// expect that mobile will be torn down
doReturn(true).when(mMobile.tracker).teardown();
nextConnBroadcast = mServiceContext.nextBroadcastIntent(CONNECTIVITY_ACTION_IMMEDIATE);
mTrackerHandler.obtainMessage(EVENT_STATE_CHANGED, mWifi.info).sendToTarget();
nextConnBroadcast.get();
// verify that wifi routes added, and teardown requested
int wifiNetId = mWifi.tracker.getNetwork().netId;
verify(mNetManager).addRoute(eq(wifiNetId), eq(WIFI_ROUTE_V4));
verify(mNetManager).addRoute(eq(wifiNetId), eq(WIFI_ROUTE_V6));
verify(mMobile.tracker).teardown();
int mobileNetId = mMobile.tracker.getNetwork().netId;
reset(mNetManager, mMobile.tracker);
// tear down mobile network, as requested
mMobile.info.setDetailedState(DetailedState.DISCONNECTED, null, null);
mMobile.link.clear();
mMobile.doReturnDefaults();
nextConnBroadcast = mServiceContext.nextBroadcastIntent(CONNECTIVITY_ACTION_IMMEDIATE);
mTrackerHandler.obtainMessage(EVENT_STATE_CHANGED, mMobile.info).sendToTarget();
nextConnBroadcast.get();
verify(mNetManager).removeRoute(eq(mobileNetId), eq(MOBILE_ROUTE_V4));
verify(mNetManager).removeRoute(eq(mobileNetId), eq(MOBILE_ROUTE_V6));
}
private static InetAddress parse(String addr) {
return InetAddress.parseNumericAddress(addr);
}
}
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