/*
* Copyright (C) 2011 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.net;
import static android.content.Intent.ACTION_UID_REMOVED;
import static android.content.Intent.EXTRA_UID;
import static android.net.ConnectivityManager.TYPE_MOBILE;
import static android.net.ConnectivityManager.TYPE_WIFI;
import static android.net.ConnectivityManager.TYPE_WIMAX;
import static android.net.NetworkStats.IFACE_ALL;
import static android.net.NetworkStats.METERED_ALL;
import static android.net.NetworkStats.METERED_NO;
import static android.net.NetworkStats.METERED_YES;
import static android.net.NetworkStats.ROAMING_ALL;
import static android.net.NetworkStats.ROAMING_NO;
import static android.net.NetworkStats.ROAMING_YES;
import static android.net.NetworkStats.SET_ALL;
import static android.net.NetworkStats.SET_DEFAULT;
import static android.net.NetworkStats.SET_FOREGROUND;
import static android.net.NetworkStats.TAG_NONE;
import static android.net.NetworkStats.UID_ALL;
import static android.net.NetworkStatsHistory.FIELD_ALL;
import static android.net.NetworkTemplate.buildTemplateMobileAll;
import static android.net.NetworkTemplate.buildTemplateWifiWildcard;
import static android.net.TrafficStats.MB_IN_BYTES;
import static android.net.TrafficStats.UID_REMOVED;
import static android.net.TrafficStats.UID_TETHERING;
import static android.text.format.DateUtils.DAY_IN_MILLIS;
import static android.text.format.DateUtils.HOUR_IN_MILLIS;
import static android.text.format.DateUtils.MINUTE_IN_MILLIS;
import static android.text.format.DateUtils.WEEK_IN_MILLIS;
import static com.android.server.net.NetworkStatsService.ACTION_NETWORK_STATS_POLL;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Matchers.anyLong;
import static org.mockito.Mockito.when;
import static org.mockito.Mockito.verify;
import android.app.AlarmManager;
import android.app.usage.NetworkStatsManager;
import android.content.Context;
import android.content.Intent;
import android.net.DataUsageRequest;
import android.net.IConnectivityManager;
import android.net.INetworkManagementEventObserver;
import android.net.INetworkStatsSession;
import android.net.LinkProperties;
import android.net.NetworkCapabilities;
import android.net.NetworkInfo;
import android.net.NetworkInfo.DetailedState;
import android.net.NetworkState;
import android.net.NetworkStats;
import android.net.NetworkStatsHistory;
import android.net.NetworkTemplate;
import android.os.ConditionVariable;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.INetworkManagementService;
import android.os.IBinder;
import android.os.Looper;
import android.os.Messenger;
import android.os.MessageQueue;
import android.os.MessageQueue.IdleHandler;
import android.os.Message;
import android.os.PowerManager;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import android.telephony.TelephonyManager;
import android.test.AndroidTestCase;
import android.util.TrustedTime;
import com.android.internal.net.VpnInfo;
import com.android.internal.util.test.BroadcastInterceptingContext;
import com.android.server.net.NetworkStatsService;
import com.android.server.net.NetworkStatsService.NetworkStatsSettings;
import com.android.server.net.NetworkStatsService.NetworkStatsSettings.Config;
import libcore.io.IoUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import java.io.File;
import java.util.ArrayList;
import java.util.Objects;
import java.util.List;
/**
* Tests for {@link NetworkStatsService}.
*
* TODO: This test used to be really brittle because it used Easymock - it uses Mockito now, but
* still uses the Easymock structure, which could be simplified.
*/
@RunWith(AndroidJUnit4.class)
@SmallTest
public class NetworkStatsServiceTest {
private static final String TAG = "NetworkStatsServiceTest";
private static final String TEST_IFACE = "test0";
private static final String TEST_IFACE2 = "test1";
private static final long TEST_START = 1194220800000L;
private static final String IMSI_1 = "310004";
private static final String IMSI_2 = "310260";
private static final String TEST_SSID = "AndroidAP";
private static NetworkTemplate sTemplateWifi = buildTemplateWifiWildcard();
private static NetworkTemplate sTemplateImsi1 = buildTemplateMobileAll(IMSI_1);
private static NetworkTemplate sTemplateImsi2 = buildTemplateMobileAll(IMSI_2);
private static final int UID_RED = 1001;
private static final int UID_BLUE = 1002;
private static final int UID_GREEN = 1003;
private static final long WAIT_TIMEOUT = 2 * 1000; // 2 secs
private static final int INVALID_TYPE = -1;
private long mElapsedRealtime;
private BroadcastInterceptingContext mServiceContext;
private File mStatsDir;
private @Mock INetworkManagementService mNetManager;
private @Mock TrustedTime mTime;
private @Mock NetworkStatsSettings mSettings;
private @Mock IConnectivityManager mConnManager;
private @Mock IBinder mBinder;
private @Mock AlarmManager mAlarmManager;
private IdleableHandlerThread mHandlerThread;
private Handler mHandler;
private NetworkStatsService mService;
private INetworkStatsSession mSession;
private INetworkManagementEventObserver mNetworkObserver;
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
final Context context = InstrumentationRegistry.getContext();
mServiceContext = new BroadcastInterceptingContext(context);
mStatsDir = context.getFilesDir();
if (mStatsDir.exists()) {
IoUtils.deleteContents(mStatsDir);
}
PowerManager powerManager = (PowerManager) mServiceContext.getSystemService(
Context.POWER_SERVICE);
PowerManager.WakeLock wakeLock =
powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
mService = new NetworkStatsService(
mServiceContext, mNetManager, mAlarmManager, wakeLock, mTime,
TelephonyManager.getDefault(), mSettings, new NetworkStatsObservers(),
mStatsDir, getBaseDir(mStatsDir));
mHandlerThread = new IdleableHandlerThread("HandlerThread");
mHandlerThread.start();
Handler.Callback callback = new NetworkStatsService.HandlerCallback(mService);
mHandler = new Handler(mHandlerThread.getLooper(), callback);
mService.setHandler(mHandler, callback);
mService.bindConnectivityManager(mConnManager);
mElapsedRealtime = 0L;
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsUidDetail(buildEmptyStats());
expectSystemReady();
mService.systemReady();
mSession = mService.openSession();
assertNotNull("openSession() failed", mSession);
// catch INetworkManagementEventObserver during systemReady()
ArgumentCaptor<INetworkManagementEventObserver> networkObserver =
ArgumentCaptor.forClass(INetworkManagementEventObserver.class);
verify(mNetManager).registerObserver(networkObserver.capture());
mNetworkObserver = networkObserver.getValue();
}
@After
public void tearDown() throws Exception {
IoUtils.deleteContents(mStatsDir);
mServiceContext = null;
mStatsDir = null;
mNetManager = null;
mTime = null;
mSettings = null;
mConnManager = null;
mSession.close();
mService = null;
}
@Test
public void testNetworkStatsWifi() throws Exception {
// pretend that wifi network comes online; service should ask about full
// network state, and poll any existing interfaces before updating.
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildWifiState());
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
// verify service has empty history for wifi
assertNetworkTotal(sTemplateWifi, 0L, 0L, 0L, 0L, 0);
// modify some number on wifi, and trigger poll event
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
.addIfaceValues(TEST_IFACE, 1024L, 1L, 2048L, 2L));
expectNetworkStatsUidDetail(buildEmptyStats());
forcePollAndWaitForIdle();
// verify service recorded history
assertNetworkTotal(sTemplateWifi, 1024L, 1L, 2048L, 2L, 0);
// and bump forward again, with counters going higher. this is
// important, since polling should correctly subtract last snapshot.
incrementCurrentTime(DAY_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
.addIfaceValues(TEST_IFACE, 4096L, 4L, 8192L, 8L));
expectNetworkStatsUidDetail(buildEmptyStats());
forcePollAndWaitForIdle();
// verify service recorded history
assertNetworkTotal(sTemplateWifi, 4096L, 4L, 8192L, 8L, 0);
}
@Test
public void testStatsRebootPersist() throws Exception {
assertStatsFilesExist(false);
// pretend that wifi network comes online; service should ask about full
// network state, and poll any existing interfaces before updating.
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildWifiState());
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
// verify service has empty history for wifi
assertNetworkTotal(sTemplateWifi, 0L, 0L, 0L, 0L, 0);
// modify some number on wifi, and trigger poll event
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
.addIfaceValues(TEST_IFACE, 1024L, 8L, 2048L, 16L));
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 2)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 512L, 4L, 256L, 2L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xFAAD, 256L, 2L, 128L, 1L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_FOREGROUND, TAG_NONE, 512L, 4L, 256L, 2L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_FOREGROUND, 0xFAAD, 256L, 2L, 128L, 1L, 0L)
.addValues(TEST_IFACE, UID_BLUE, SET_DEFAULT, TAG_NONE, 128L, 1L, 128L, 1L, 0L));
mService.setUidForeground(UID_RED, false);
mService.incrementOperationCount(UID_RED, 0xFAAD, 4);
mService.setUidForeground(UID_RED, true);
mService.incrementOperationCount(UID_RED, 0xFAAD, 6);
forcePollAndWaitForIdle();
// verify service recorded history
assertNetworkTotal(sTemplateWifi, 1024L, 8L, 2048L, 16L, 0);
assertUidTotal(sTemplateWifi, UID_RED, 1024L, 8L, 512L, 4L, 10);
assertUidTotal(sTemplateWifi, UID_RED, SET_DEFAULT, METERED_NO, ROAMING_NO, 512L, 4L, 256L,
2L, 4);
assertUidTotal(sTemplateWifi, UID_RED, SET_FOREGROUND, METERED_NO, ROAMING_NO, 512L, 4L,
256L, 2L, 6);
assertUidTotal(sTemplateWifi, UID_BLUE, 128L, 1L, 128L, 1L, 0);
// graceful shutdown system, which should trigger persist of stats, and
// clear any values in memory.
expectCurrentTime();
expectDefaultSettings();
mServiceContext.sendBroadcast(new Intent(Intent.ACTION_SHUTDOWN));
assertStatsFilesExist(true);
// boot through serviceReady() again
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsUidDetail(buildEmptyStats());
expectSystemReady();
mService.systemReady();
// after systemReady(), we should have historical stats loaded again
assertNetworkTotal(sTemplateWifi, 1024L, 8L, 2048L, 16L, 0);
assertUidTotal(sTemplateWifi, UID_RED, 1024L, 8L, 512L, 4L, 10);
assertUidTotal(sTemplateWifi, UID_RED, SET_DEFAULT, METERED_NO, ROAMING_NO, 512L, 4L, 256L,
2L, 4);
assertUidTotal(sTemplateWifi, UID_RED, SET_FOREGROUND, METERED_NO, ROAMING_NO, 512L, 4L,
256L, 2L, 6);
assertUidTotal(sTemplateWifi, UID_BLUE, 128L, 1L, 128L, 1L, 0);
}
// TODO: simulate reboot to test bucket resize
@Test
@Ignore
public void testStatsBucketResize() throws Exception {
NetworkStatsHistory history = null;
assertStatsFilesExist(false);
// pretend that wifi network comes online; service should ask about full
// network state, and poll any existing interfaces before updating.
expectCurrentTime();
expectSettings(0L, HOUR_IN_MILLIS, WEEK_IN_MILLIS);
expectNetworkState(buildWifiState());
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
// modify some number on wifi, and trigger poll event
incrementCurrentTime(2 * HOUR_IN_MILLIS);
expectCurrentTime();
expectSettings(0L, HOUR_IN_MILLIS, WEEK_IN_MILLIS);
expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
.addIfaceValues(TEST_IFACE, 512L, 4L, 512L, 4L));
expectNetworkStatsUidDetail(buildEmptyStats());
forcePollAndWaitForIdle();
// verify service recorded history
history = mSession.getHistoryForNetwork(sTemplateWifi, FIELD_ALL);
assertValues(history, Long.MIN_VALUE, Long.MAX_VALUE, 512L, 4L, 512L, 4L, 0);
assertEquals(HOUR_IN_MILLIS, history.getBucketDuration());
assertEquals(2, history.size());
// now change bucket duration setting and trigger another poll with
// exact same values, which should resize existing buckets.
expectCurrentTime();
expectSettings(0L, 30 * MINUTE_IN_MILLIS, WEEK_IN_MILLIS);
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
forcePollAndWaitForIdle();
// verify identical stats, but spread across 4 buckets now
history = mSession.getHistoryForNetwork(sTemplateWifi, FIELD_ALL);
assertValues(history, Long.MIN_VALUE, Long.MAX_VALUE, 512L, 4L, 512L, 4L, 0);
assertEquals(30 * MINUTE_IN_MILLIS, history.getBucketDuration());
assertEquals(4, history.size());
}
@Test
public void testUidStatsAcrossNetworks() throws Exception {
// pretend first mobile network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildMobile3gState(IMSI_1));
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
// create some traffic on first network
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
.addIfaceValues(TEST_IFACE, 2048L, 16L, 512L, 4L));
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 3)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 1536L, 12L, 512L, 4L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, 512L, 4L, 512L, 4L, 0L)
.addValues(TEST_IFACE, UID_BLUE, SET_DEFAULT, TAG_NONE, 512L, 4L, 0L, 0L, 0L));
mService.incrementOperationCount(UID_RED, 0xF00D, 10);
forcePollAndWaitForIdle();
// verify service recorded history
assertNetworkTotal(sTemplateImsi1, 2048L, 16L, 512L, 4L, 0);
assertNetworkTotal(sTemplateWifi, 0L, 0L, 0L, 0L, 0);
assertUidTotal(sTemplateImsi1, UID_RED, 1536L, 12L, 512L, 4L, 10);
assertUidTotal(sTemplateImsi1, UID_BLUE, 512L, 4L, 0L, 0L, 0);
// now switch networks; this also tests that we're okay with interfaces
// disappearing, to verify we don't count backwards.
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildMobile3gState(IMSI_2));
expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
.addIfaceValues(TEST_IFACE, 2048L, 16L, 512L, 4L));
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 3)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 1536L, 12L, 512L, 4L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, 512L, 4L, 512L, 4L, 0L)
.addValues(TEST_IFACE, UID_BLUE, SET_DEFAULT, TAG_NONE, 512L, 4L, 0L, 0L, 0L));
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
forcePollAndWaitForIdle();
// create traffic on second network
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
.addIfaceValues(TEST_IFACE, 2176L, 17L, 1536L, 12L));
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 1536L, 12L, 512L, 4L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, 512L, 4L, 512L, 4L, 0L)
.addValues(TEST_IFACE, UID_BLUE, SET_DEFAULT, TAG_NONE, 640L, 5L, 1024L, 8L, 0L)
.addValues(TEST_IFACE, UID_BLUE, SET_DEFAULT, 0xFAAD, 128L, 1L, 1024L, 8L, 0L));
mService.incrementOperationCount(UID_BLUE, 0xFAAD, 10);
forcePollAndWaitForIdle();
// verify original history still intact
assertNetworkTotal(sTemplateImsi1, 2048L, 16L, 512L, 4L, 0);
assertUidTotal(sTemplateImsi1, UID_RED, 1536L, 12L, 512L, 4L, 10);
assertUidTotal(sTemplateImsi1, UID_BLUE, 512L, 4L, 0L, 0L, 0);
// and verify new history also recorded under different template, which
// verifies that we didn't cross the streams.
assertNetworkTotal(sTemplateImsi2, 128L, 1L, 1024L, 8L, 0);
assertNetworkTotal(sTemplateWifi, 0L, 0L, 0L, 0L, 0);
assertUidTotal(sTemplateImsi2, UID_BLUE, 128L, 1L, 1024L, 8L, 10);
}
@Test
public void testUidRemovedIsMoved() throws Exception {
// pretend that network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildWifiState());
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
// create some traffic
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
.addIfaceValues(TEST_IFACE, 4128L, 258L, 544L, 34L));
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 16L, 1L, 16L, 1L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xFAAD, 16L, 1L, 16L, 1L, 0L)
.addValues(TEST_IFACE, UID_BLUE, SET_DEFAULT, TAG_NONE, 4096L, 258L, 512L, 32L, 0L)
.addValues(TEST_IFACE, UID_GREEN, SET_DEFAULT, TAG_NONE, 16L, 1L, 16L, 1L, 0L));
mService.incrementOperationCount(UID_RED, 0xFAAD, 10);
forcePollAndWaitForIdle();
// verify service recorded history
assertNetworkTotal(sTemplateWifi, 4128L, 258L, 544L, 34L, 0);
assertUidTotal(sTemplateWifi, UID_RED, 16L, 1L, 16L, 1L, 10);
assertUidTotal(sTemplateWifi, UID_BLUE, 4096L, 258L, 512L, 32L, 0);
assertUidTotal(sTemplateWifi, UID_GREEN, 16L, 1L, 16L, 1L, 0);
// now pretend two UIDs are uninstalled, which should migrate stats to
// special "removed" bucket.
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
.addIfaceValues(TEST_IFACE, 4128L, 258L, 544L, 34L));
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 16L, 1L, 16L, 1L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xFAAD, 16L, 1L, 16L, 1L, 0L)
.addValues(TEST_IFACE, UID_BLUE, SET_DEFAULT, TAG_NONE, 4096L, 258L, 512L, 32L, 0L)
.addValues(TEST_IFACE, UID_GREEN, SET_DEFAULT, TAG_NONE, 16L, 1L, 16L, 1L, 0L));
final Intent intent = new Intent(ACTION_UID_REMOVED);
intent.putExtra(EXTRA_UID, UID_BLUE);
mServiceContext.sendBroadcast(intent);
intent.putExtra(EXTRA_UID, UID_RED);
mServiceContext.sendBroadcast(intent);
// existing uid and total should remain unchanged; but removed UID
// should be gone completely.
assertNetworkTotal(sTemplateWifi, 4128L, 258L, 544L, 34L, 0);
assertUidTotal(sTemplateWifi, UID_RED, 0L, 0L, 0L, 0L, 0);
assertUidTotal(sTemplateWifi, UID_BLUE, 0L, 0L, 0L, 0L, 0);
assertUidTotal(sTemplateWifi, UID_GREEN, 16L, 1L, 16L, 1L, 0);
assertUidTotal(sTemplateWifi, UID_REMOVED, 4112L, 259L, 528L, 33L, 10);
}
@Test
public void testUid3g4gCombinedByTemplate() throws Exception {
// pretend that network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildMobile3gState(IMSI_1));
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
// create some traffic
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 1024L, 8L, 1024L, 8L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, 512L, 4L, 512L, 4L, 0L));
mService.incrementOperationCount(UID_RED, 0xF00D, 5);
forcePollAndWaitForIdle();
// verify service recorded history
assertUidTotal(sTemplateImsi1, UID_RED, 1024L, 8L, 1024L, 8L, 5);
// now switch over to 4g network
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildMobile4gState(TEST_IFACE2));
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 1024L, 8L, 1024L, 8L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, 512L, 4L, 512L, 4L, 0L));
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
forcePollAndWaitForIdle();
// create traffic on second network
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 1024L, 8L, 1024L, 8L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, 512L, 4L, 512L, 4L, 0L)
.addValues(TEST_IFACE2, UID_RED, SET_DEFAULT, TAG_NONE, 512L, 4L, 256L, 2L, 0L)
.addValues(TEST_IFACE2, UID_RED, SET_DEFAULT, 0xFAAD, 512L, 4L, 256L, 2L, 0L));
mService.incrementOperationCount(UID_RED, 0xFAAD, 5);
forcePollAndWaitForIdle();
// verify that ALL_MOBILE template combines both
assertUidTotal(sTemplateImsi1, UID_RED, 1536L, 12L, 1280L, 10L, 10);
}
@Test
public void testSummaryForAllUid() throws Exception {
// pretend that network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildWifiState());
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
// create some traffic for two apps
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 50L, 5L, 50L, 5L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, 10L, 1L, 10L, 1L, 0L)
.addValues(TEST_IFACE, UID_BLUE, SET_DEFAULT, TAG_NONE, 1024L, 8L, 512L, 4L, 0L));
mService.incrementOperationCount(UID_RED, 0xF00D, 1);
forcePollAndWaitForIdle();
// verify service recorded history
assertUidTotal(sTemplateWifi, UID_RED, 50L, 5L, 50L, 5L, 1);
assertUidTotal(sTemplateWifi, UID_BLUE, 1024L, 8L, 512L, 4L, 0);
// now create more traffic in next hour, but only for one app
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 50L, 5L, 50L, 5L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, 10L, 1L, 10L, 1L, 0L)
.addValues(TEST_IFACE, UID_BLUE, SET_DEFAULT, TAG_NONE, 2048L, 16L, 1024L, 8L, 0L));
forcePollAndWaitForIdle();
// first verify entire history present
NetworkStats stats = mSession.getSummaryForAllUid(
sTemplateWifi, Long.MIN_VALUE, Long.MAX_VALUE, true);
assertEquals(3, stats.size());
assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO, 50L,
5L, 50L, 5L, 1);
assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, 0xF00D, METERED_NO, ROAMING_NO, 10L,
1L, 10L, 1L, 1);
assertValues(stats, IFACE_ALL, UID_BLUE, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO,
2048L, 16L, 1024L, 8L, 0);
// now verify that recent history only contains one uid
final long currentTime = currentTimeMillis();
stats = mSession.getSummaryForAllUid(
sTemplateWifi, currentTime - HOUR_IN_MILLIS, currentTime, true);
assertEquals(1, stats.size());
assertValues(stats, IFACE_ALL, UID_BLUE, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO,
1024L, 8L, 512L, 4L, 0);
}
@Test
public void testForegroundBackground() throws Exception {
// pretend that network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildWifiState());
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
// create some initial traffic
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 128L, 2L, 128L, 2L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, 64L, 1L, 64L, 1L, 0L));
mService.incrementOperationCount(UID_RED, 0xF00D, 1);
forcePollAndWaitForIdle();
// verify service recorded history
assertUidTotal(sTemplateWifi, UID_RED, 128L, 2L, 128L, 2L, 1);
// now switch to foreground
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 128L, 2L, 128L, 2L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, 64L, 1L, 64L, 1L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_FOREGROUND, TAG_NONE, 32L, 2L, 32L, 2L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_FOREGROUND, 0xFAAD, 1L, 1L, 1L, 1L, 0L));
mService.setUidForeground(UID_RED, true);
mService.incrementOperationCount(UID_RED, 0xFAAD, 1);
forcePollAndWaitForIdle();
// test that we combined correctly
assertUidTotal(sTemplateWifi, UID_RED, 160L, 4L, 160L, 4L, 2);
// verify entire history present
final NetworkStats stats = mSession.getSummaryForAllUid(
sTemplateWifi, Long.MIN_VALUE, Long.MAX_VALUE, true);
assertEquals(4, stats.size());
assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO, 128L,
2L, 128L, 2L, 1);
assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, 0xF00D, METERED_NO, ROAMING_NO, 64L,
1L, 64L, 1L, 1);
assertValues(stats, IFACE_ALL, UID_RED, SET_FOREGROUND, TAG_NONE, METERED_NO, ROAMING_NO,
32L, 2L, 32L, 2L, 1);
assertValues(stats, IFACE_ALL, UID_RED, SET_FOREGROUND, 0xFAAD, METERED_NO, ROAMING_NO, 1L,
1L, 1L, 1L, 1);
}
@Test
public void testMetered() throws Exception {
// pretend that network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildWifiState(true /* isMetered */));
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
// create some initial traffic
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(buildEmptyStats());
// Note that all traffic from NetworkManagementService is tagged as METERED_NO and
// ROAMING_NO, because metered and roaming isn't tracked at that layer. We layer it
// on top by inspecting the iface properties.
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO, 128L,
2L, 128L, 2L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, METERED_NO, ROAMING_NO, 64L,
1L, 64L, 1L, 0L));
mService.incrementOperationCount(UID_RED, 0xF00D, 1);
forcePollAndWaitForIdle();
// verify service recorded history
assertUidTotal(sTemplateWifi, UID_RED, 128L, 2L, 128L, 2L, 1);
// verify entire history present
final NetworkStats stats = mSession.getSummaryForAllUid(
sTemplateWifi, Long.MIN_VALUE, Long.MAX_VALUE, true);
assertEquals(2, stats.size());
assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, TAG_NONE, METERED_YES, ROAMING_NO,
128L, 2L, 128L, 2L, 1);
assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, 0xF00D, METERED_YES, ROAMING_NO, 64L,
1L, 64L, 1L, 1);
}
@Test
public void testRoaming() throws Exception {
// pretend that network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildMobile3gState(IMSI_1, true /* isRoaming */));
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
// Create some traffic
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(buildEmptyStats());
// Note that all traffic from NetworkManagementService is tagged as METERED_NO and
// ROAMING_NO, because metered and roaming isn't tracked at that layer. We layer it
// on top by inspecting the iface properties.
expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, METERED_ALL, ROAMING_NO,
128L, 2L, 128L, 2L, 0L)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, METERED_ALL, ROAMING_NO, 64L,
1L, 64L, 1L, 0L));
forcePollAndWaitForIdle();
// verify service recorded history
assertUidTotal(sTemplateImsi1, UID_RED, 128L, 2L, 128L, 2L, 0);
// verify entire history present
final NetworkStats stats = mSession.getSummaryForAllUid(
sTemplateImsi1, Long.MIN_VALUE, Long.MAX_VALUE, true);
assertEquals(2, stats.size());
assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, TAG_NONE, METERED_ALL, ROAMING_YES,
128L, 2L, 128L, 2L, 0);
assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, 0xF00D, METERED_ALL, ROAMING_YES, 64L,
1L, 64L, 1L, 0);
}
@Test
public void testTethering() throws Exception {
// pretend first mobile network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildMobile3gState(IMSI_1));
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
// create some tethering traffic
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
.addIfaceValues(TEST_IFACE, 2048L, 16L, 512L, 4L));
final NetworkStats uidStats = new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 128L, 2L, 128L, 2L, 0L);
final String[] tetherIfacePairs = new String[] { TEST_IFACE, "wlan0" };
final NetworkStats tetherStats = new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_TETHERING, SET_DEFAULT, TAG_NONE, 1920L, 14L, 384L, 2L,
0L);
expectNetworkStatsUidDetail(uidStats, tetherIfacePairs, tetherStats);
forcePollAndWaitForIdle();
// verify service recorded history
assertNetworkTotal(sTemplateImsi1, 2048L, 16L, 512L, 4L, 0);
assertUidTotal(sTemplateImsi1, UID_RED, 128L, 2L, 128L, 2L, 0);
assertUidTotal(sTemplateImsi1, UID_TETHERING, 1920L, 14L, 384L, 2L, 0);
}
@Test
public void testRegisterUsageCallback() throws Exception {
// pretend that wifi network comes online; service should ask about full
// network state, and poll any existing interfaces before updating.
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildWifiState());
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectBandwidthControlCheck();
mService.forceUpdateIfaces();
// verify service has empty history for wifi
assertNetworkTotal(sTemplateWifi, 0L, 0L, 0L, 0L, 0);
String callingPackage = "the.calling.package";
long thresholdInBytes = 1L; // very small; should be overriden by framework
DataUsageRequest inputRequest = new DataUsageRequest(
DataUsageRequest.REQUEST_ID_UNSET, sTemplateWifi, thresholdInBytes);
// Create a messenger that waits for callback activity
ConditionVariable cv = new ConditionVariable(false);
LatchedHandler latchedHandler = new LatchedHandler(Looper.getMainLooper(), cv);
Messenger messenger = new Messenger(latchedHandler);
// Force poll
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
// Register and verify request and that binder was called
DataUsageRequest request =
mService.registerUsageCallback(callingPackage, inputRequest,
messenger, mBinder);
assertTrue(request.requestId > 0);
assertTrue(Objects.equals(sTemplateWifi, request.template));
long minThresholdInBytes = 2 * 1024 * 1024; // 2 MB
assertEquals(minThresholdInBytes, request.thresholdInBytes);
// Send dummy message to make sure that any previous message has been handled
mHandler.sendMessage(mHandler.obtainMessage(-1));
mHandlerThread.waitForIdle(WAIT_TIMEOUT);
// Make sure that the caller binder gets connected
verify(mBinder).linkToDeath(any(IBinder.DeathRecipient.class), anyInt());
// modify some number on wifi, and trigger poll event
// not enough traffic to call data usage callback
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
.addIfaceValues(TEST_IFACE, 1024L, 1L, 2048L, 2L));
expectNetworkStatsUidDetail(buildEmptyStats());
forcePollAndWaitForIdle();
// verify service recorded history
assertNetworkTotal(sTemplateWifi, 1024L, 1L, 2048L, 2L, 0);
// make sure callback has not being called
assertEquals(INVALID_TYPE, latchedHandler.mLastMessageType);
// and bump forward again, with counters going higher. this is
// important, since it will trigger the data usage callback
incrementCurrentTime(DAY_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
.addIfaceValues(TEST_IFACE, 4096000L, 4L, 8192000L, 8L));
expectNetworkStatsUidDetail(buildEmptyStats());
forcePollAndWaitForIdle();
// verify service recorded history
assertNetworkTotal(sTemplateWifi, 4096000L, 4L, 8192000L, 8L, 0);
// Wait for the caller to ack receipt of CALLBACK_LIMIT_REACHED
assertTrue(cv.block(WAIT_TIMEOUT));
assertEquals(NetworkStatsManager.CALLBACK_LIMIT_REACHED, latchedHandler.mLastMessageType);
cv.close();
// Allow binder to disconnect
when(mBinder.unlinkToDeath(any(IBinder.DeathRecipient.class), anyInt())).thenReturn(true);
// Unregister request
mService.unregisterUsageRequest(request);
// Wait for the caller to ack receipt of CALLBACK_RELEASED
assertTrue(cv.block(WAIT_TIMEOUT));
assertEquals(NetworkStatsManager.CALLBACK_RELEASED, latchedHandler.mLastMessageType);
// Make sure that the caller binder gets disconnected
verify(mBinder).unlinkToDeath(any(IBinder.DeathRecipient.class), anyInt());
}
@Test
public void testUnregisterUsageCallback_unknown_noop() throws Exception {
String callingPackage = "the.calling.package";
long thresholdInBytes = 10 * 1024 * 1024; // 10 MB
DataUsageRequest unknownRequest = new DataUsageRequest(
2 /* requestId */, sTemplateImsi1, thresholdInBytes);
mService.unregisterUsageRequest(unknownRequest);
}
private static File getBaseDir(File statsDir) {
File baseDir = new File(statsDir, "netstats");
baseDir.mkdirs();
return baseDir;
}
private void assertNetworkTotal(NetworkTemplate template, long rxBytes, long rxPackets,
long txBytes, long txPackets, int operations) throws Exception {
assertNetworkTotal(template, Long.MIN_VALUE, Long.MAX_VALUE, rxBytes, rxPackets, txBytes,
txPackets, operations);
}
private void assertNetworkTotal(NetworkTemplate template, long start, long end, long rxBytes,
long rxPackets, long txBytes, long txPackets, int operations) throws Exception {
// verify history API
final NetworkStatsHistory history = mSession.getHistoryForNetwork(template, FIELD_ALL);
assertValues(history, start, end, rxBytes, rxPackets, txBytes, txPackets, operations);
// verify summary API
final NetworkStats stats = mSession.getSummaryForNetwork(template, start, end);
assertValues(stats, IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_ALL, ROAMING_NO,
rxBytes, rxPackets, txBytes, txPackets, operations);
}
private void assertUidTotal(NetworkTemplate template, int uid, long rxBytes, long rxPackets,
long txBytes, long txPackets, int operations) throws Exception {
assertUidTotal(template, uid, SET_ALL, METERED_ALL, ROAMING_ALL, rxBytes, rxPackets,
txBytes, txPackets, operations);
}
private void assertUidTotal(NetworkTemplate template, int uid, int set, int metered,
int roaming, long rxBytes, long rxPackets, long txBytes, long txPackets, int operations)
throws Exception {
// verify history API
final NetworkStatsHistory history = mSession.getHistoryForUid(
template, uid, set, TAG_NONE, FIELD_ALL);
assertValues(history, Long.MIN_VALUE, Long.MAX_VALUE, rxBytes, rxPackets, txBytes,
txPackets, operations);
// verify summary API
final NetworkStats stats = mSession.getSummaryForAllUid(
template, Long.MIN_VALUE, Long.MAX_VALUE, false);
assertValues(stats, IFACE_ALL, uid, set, TAG_NONE, metered, roaming, rxBytes, rxPackets,
txBytes, txPackets, operations);
}
private void expectSystemReady() throws Exception {
expectNetworkStatsSummary(buildEmptyStats());
expectBandwidthControlCheck();
}
private void expectNetworkState(NetworkState... state) throws Exception {
when(mConnManager.getAllNetworkState()).thenReturn(state);
final LinkProperties linkProp = state.length > 0 ? state[0].linkProperties : null;
when(mConnManager.getActiveLinkProperties()).thenReturn(linkProp);
}
private void expectNetworkStatsSummary(NetworkStats summary) throws Exception {
when(mConnManager.getAllVpnInfo()).thenReturn(new VpnInfo[0]);
expectNetworkStatsSummaryDev(summary);
expectNetworkStatsSummaryXt(summary);
}
private void expectNetworkStatsSummaryDev(NetworkStats summary) throws Exception {
when(mNetManager.getNetworkStatsSummaryDev()).thenReturn(summary);
}
private void expectNetworkStatsSummaryXt(NetworkStats summary) throws Exception {
when(mNetManager.getNetworkStatsSummaryXt()).thenReturn(summary);
}
private void expectNetworkStatsUidDetail(NetworkStats detail) throws Exception {
expectNetworkStatsUidDetail(detail, new String[0], new NetworkStats(0L, 0));
}
private void expectNetworkStatsUidDetail(
NetworkStats detail, String[] tetherIfacePairs, NetworkStats tetherStats)
throws Exception {
when(mNetManager.getNetworkStatsUidDetail(UID_ALL)).thenReturn(detail);
// also include tethering details, since they are folded into UID
when(mNetManager.getNetworkStatsTethering()).thenReturn(tetherStats);
}
private void expectDefaultSettings() throws Exception {
expectSettings(0L, HOUR_IN_MILLIS, WEEK_IN_MILLIS);
}
private void expectSettings(long persistBytes, long bucketDuration, long deleteAge)
throws Exception {
when(mSettings.getPollInterval()).thenReturn(HOUR_IN_MILLIS);
when(mSettings.getTimeCacheMaxAge()).thenReturn(DAY_IN_MILLIS);
when(mSettings.getSampleEnabled()).thenReturn(true);
final Config config = new Config(bucketDuration, deleteAge, deleteAge);
when(mSettings.getDevConfig()).thenReturn(config);
when(mSettings.getXtConfig()).thenReturn(config);
when(mSettings.getUidConfig()).thenReturn(config);
when(mSettings.getUidTagConfig()).thenReturn(config);
when(mSettings.getGlobalAlertBytes(anyLong())).thenReturn(MB_IN_BYTES);
when(mSettings.getDevPersistBytes(anyLong())).thenReturn(MB_IN_BYTES);
when(mSettings.getXtPersistBytes(anyLong())).thenReturn(MB_IN_BYTES);
when(mSettings.getUidPersistBytes(anyLong())).thenReturn(MB_IN_BYTES);
when(mSettings.getUidTagPersistBytes(anyLong())).thenReturn(MB_IN_BYTES);
}
private void expectCurrentTime() throws Exception {
when(mTime.forceRefresh()).thenReturn(false);
when(mTime.hasCache()).thenReturn(true);
when(mTime.currentTimeMillis()).thenReturn(currentTimeMillis());
when(mTime.getCacheAge()).thenReturn(0L);
when(mTime.getCacheCertainty()).thenReturn(0L);
}
private void expectBandwidthControlCheck() throws Exception {
when(mNetManager.isBandwidthControlEnabled()).thenReturn(true);
}
private void assertStatsFilesExist(boolean exist) {
final File basePath = new File(mStatsDir, "netstats");
if (exist) {
assertTrue(basePath.list().length > 0);
} else {
assertTrue(basePath.list().length == 0);
}
}
private static void assertValues(NetworkStats stats, String iface, int uid, int set,
int tag, int metered, int roaming, long rxBytes, long rxPackets, long txBytes,
long txPackets, int operations) {
final NetworkStats.Entry entry = new NetworkStats.Entry();
List<Integer> sets = new ArrayList<>();
if (set == SET_DEFAULT || set == SET_ALL) {
sets.add(SET_DEFAULT);
}
if (set == SET_FOREGROUND || set == SET_ALL) {
sets.add(SET_FOREGROUND);
}
List<Integer> roamings = new ArrayList<>();
if (roaming == ROAMING_NO || roaming == ROAMING_ALL) {
roamings.add(ROAMING_NO);
}
if (roaming == ROAMING_YES || roaming == ROAMING_ALL) {
roamings.add(ROAMING_YES);
}
List<Integer> meterings = new ArrayList<>();
if (metered == METERED_NO || metered == METERED_ALL) {
meterings.add(METERED_NO);
}
if (metered == METERED_YES || metered == METERED_ALL) {
meterings.add(METERED_YES);
}
for (int s : sets) {
for (int r : roamings) {
for (int m : meterings) {
final int i = stats.findIndex(iface, uid, s, tag, m, r);
if (i != -1) {
entry.add(stats.getValues(i, null));
}
}
}
}
assertEquals("unexpected rxBytes", rxBytes, entry.rxBytes);
assertEquals("unexpected rxPackets", rxPackets, entry.rxPackets);
assertEquals("unexpected txBytes", txBytes, entry.txBytes);
assertEquals("unexpected txPackets", txPackets, entry.txPackets);
assertEquals("unexpected operations", operations, entry.operations);
}
private static void assertValues(NetworkStatsHistory stats, long start, long end, long rxBytes,
long rxPackets, long txBytes, long txPackets, int operations) {
final NetworkStatsHistory.Entry entry = stats.getValues(start, end, null);
assertEquals("unexpected rxBytes", rxBytes, entry.rxBytes);
assertEquals("unexpected rxPackets", rxPackets, entry.rxPackets);
assertEquals("unexpected txBytes", txBytes, entry.txBytes);
assertEquals("unexpected txPackets", txPackets, entry.txPackets);
assertEquals("unexpected operations", operations, entry.operations);
}
private static NetworkState buildWifiState() {
return buildWifiState(false);
}
private static NetworkState buildWifiState(boolean isMetered) {
final NetworkInfo info = new NetworkInfo(TYPE_WIFI, 0, null, null);
info.setDetailedState(DetailedState.CONNECTED, null, null);
final LinkProperties prop = new LinkProperties();
prop.setInterfaceName(TEST_IFACE);
final NetworkCapabilities capabilities = new NetworkCapabilities();
if (!isMetered) {
capabilities.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED);
}
return new NetworkState(info, prop, capabilities, null, null, TEST_SSID);
}
private static NetworkState buildMobile3gState(String subscriberId) {
return buildMobile3gState(subscriberId, false /* isRoaming */);
}
private static NetworkState buildMobile3gState(String subscriberId, boolean isRoaming) {
final NetworkInfo info = new NetworkInfo(
TYPE_MOBILE, TelephonyManager.NETWORK_TYPE_UMTS, null, null);
info.setDetailedState(DetailedState.CONNECTED, null, null);
info.setRoaming(isRoaming);
final LinkProperties prop = new LinkProperties();
prop.setInterfaceName(TEST_IFACE);
final NetworkCapabilities capabilities = new NetworkCapabilities();
return new NetworkState(info, prop, capabilities, null, subscriberId, null);
}
private static NetworkState buildMobile4gState(String iface) {
final NetworkInfo info = new NetworkInfo(TYPE_WIMAX, 0, null, null);
info.setDetailedState(DetailedState.CONNECTED, null, null);
final LinkProperties prop = new LinkProperties();
prop.setInterfaceName(iface);
final NetworkCapabilities capabilities = new NetworkCapabilities();
return new NetworkState(info, prop, capabilities, null, null, null);
}
private NetworkStats buildEmptyStats() {
return new NetworkStats(getElapsedRealtime(), 0);
}
private long getElapsedRealtime() {
return mElapsedRealtime;
}
private long startTimeMillis() {
return TEST_START;
}
private long currentTimeMillis() {
return startTimeMillis() + mElapsedRealtime;
}
private void incrementCurrentTime(long duration) {
mElapsedRealtime += duration;
}
private void forcePollAndWaitForIdle() {
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// Send dummy message to make sure that any previous message has been handled
mHandler.sendMessage(mHandler.obtainMessage(-1));
mHandlerThread.waitForIdle(WAIT_TIMEOUT);
}
static class LatchedHandler extends Handler {
private final ConditionVariable mCv;
int mLastMessageType = INVALID_TYPE;
LatchedHandler(Looper looper, ConditionVariable cv) {
super(looper);
mCv = cv;
}
@Override
public void handleMessage(Message msg) {
mLastMessageType = msg.what;
mCv.open();
super.handleMessage(msg);
}
}
/**
* A subclass of HandlerThread that allows callers to wait for it to become idle. waitForIdle
* will return immediately if the handler is already idle.
*/
static class IdleableHandlerThread extends HandlerThread {
private IdleHandler mIdleHandler;
public IdleableHandlerThread(String name) {
super(name);
}
public void waitForIdle(long timeoutMs) {
final ConditionVariable cv = new ConditionVariable();
final MessageQueue queue = getLooper().getQueue();
synchronized (queue) {
if (queue.isIdle()) {
return;
}
assertNull("BUG: only one idle handler allowed", mIdleHandler);
mIdleHandler = new IdleHandler() {
public boolean queueIdle() {
cv.open();
mIdleHandler = null;
return false; // Remove the handler.
}
};
queue.addIdleHandler(mIdleHandler);
}
if (!cv.block(timeoutMs)) {
fail("HandlerThread " + getName() + " did not become idle after " + timeoutMs
+ " ms");
queue.removeIdleHandler(mIdleHandler);
}
}
}
}