/*
* 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;
import static android.content.Intent.ACTION_UID_REMOVED;
import static android.content.Intent.EXTRA_UID;
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.TYPE_WIMAX;
import static android.net.NetworkStats.IFACE_ALL;
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.buildTemplateWifi;
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.easymock.EasyMock.anyLong;
import static org.easymock.EasyMock.capture;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.eq;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.expectLastCall;
import static org.easymock.EasyMock.isA;
import android.app.AlarmManager;
import android.app.IAlarmManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.net.IConnectivityManager;
import android.net.INetworkManagementEventObserver;
import android.net.LinkProperties;
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.INetworkManagementService;
import android.telephony.TelephonyManager;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.LargeTest;
import android.util.TrustedTime;
import com.android.server.net.NetworkStatsService;
import com.android.server.net.NetworkStatsService.NetworkStatsSettings;
import org.easymock.Capture;
import org.easymock.EasyMock;
import java.io.File;
import libcore.io.IoUtils;
/**
* Tests for {@link NetworkStatsService}.
*/
@LargeTest
public class NetworkStatsServiceTest extends AndroidTestCase {
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 NetworkTemplate sTemplateWifi = buildTemplateWifi();
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 long mElapsedRealtime;
private BroadcastInterceptingContext mServiceContext;
private File mStatsDir;
private INetworkManagementService mNetManager;
private IAlarmManager mAlarmManager;
private TrustedTime mTime;
private NetworkStatsSettings mSettings;
private IConnectivityManager mConnManager;
private NetworkStatsService mService;
private INetworkManagementEventObserver mNetworkObserver;
@Override
public void setUp() throws Exception {
super.setUp();
mServiceContext = new BroadcastInterceptingContext(getContext());
mStatsDir = getContext().getFilesDir();
if (mStatsDir.exists()) {
IoUtils.deleteContents(mStatsDir);
}
mNetManager = createMock(INetworkManagementService.class);
mAlarmManager = createMock(IAlarmManager.class);
mTime = createMock(TrustedTime.class);
mSettings = createMock(NetworkStatsSettings.class);
mConnManager = createMock(IConnectivityManager.class);
mService = new NetworkStatsService(
mServiceContext, mNetManager, mAlarmManager, mTime, mStatsDir, mSettings);
mService.bindConnectivityManager(mConnManager);
mElapsedRealtime = 0L;
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectSystemReady();
// catch INetworkManagementEventObserver during systemReady()
final Capture<INetworkManagementEventObserver> networkObserver = new Capture<
INetworkManagementEventObserver>();
mNetManager.registerObserver(capture(networkObserver));
expectLastCall().atLeastOnce();
replay();
mService.systemReady();
verifyAndReset();
mNetworkObserver = networkObserver.getValue();
}
@Override
public void tearDown() throws Exception {
for (File file : mStatsDir.listFiles()) {
file.delete();
}
mServiceContext = null;
mStatsDir = null;
mNetManager = null;
mAlarmManager = null;
mTime = null;
mSettings = null;
mConnManager = null;
mService = null;
super.tearDown();
}
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());
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(CONNECTIVITY_ACTION_IMMEDIATE));
// verify service has empty history for wifi
assertNetworkTotal(sTemplateWifi, 0L, 0L, 0L, 0L, 0);
verifyAndReset();
// 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());
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// verify service recorded history
assertNetworkTotal(sTemplateWifi, 1024L, 1L, 2048L, 2L, 0);
verifyAndReset();
// 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());
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// verify service recorded history
assertNetworkTotal(sTemplateWifi, 4096L, 4L, 8192L, 8L, 0);
verifyAndReset();
}
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());
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(CONNECTIVITY_ACTION_IMMEDIATE));
// verify service has empty history for wifi
assertNetworkTotal(sTemplateWifi, 0L, 0L, 0L, 0L, 0);
verifyAndReset();
// 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));
expectNetworkStatsPoll();
mService.setUidForeground(UID_RED, false);
mService.incrementOperationCount(UID_RED, 0xFAAD, 4);
mService.setUidForeground(UID_RED, true);
mService.incrementOperationCount(UID_RED, 0xFAAD, 6);
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// 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, 512L, 4L, 256L, 2L, 4);
assertUidTotal(sTemplateWifi, UID_RED, SET_FOREGROUND, 512L, 4L, 256L, 2L, 6);
assertUidTotal(sTemplateWifi, UID_BLUE, 128L, 1L, 128L, 1L, 0);
verifyAndReset();
// graceful shutdown system, which should trigger persist of stats, and
// clear any values in memory.
expectCurrentTime();
expectDefaultSettings();
replay();
mServiceContext.sendBroadcast(new Intent(Intent.ACTION_SHUTDOWN));
verifyAndReset();
// talk with zombie service to assert stats have gone; and assert that
// we persisted them to file.
expectDefaultSettings();
replay();
assertNetworkTotal(sTemplateWifi, 0L, 0L, 0L, 0L, 0);
verifyAndReset();
assertStatsFilesExist(true);
// boot through serviceReady() again
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectSystemReady();
// catch INetworkManagementEventObserver during systemReady()
final Capture<INetworkManagementEventObserver> networkObserver = new Capture<
INetworkManagementEventObserver>();
mNetManager.registerObserver(capture(networkObserver));
expectLastCall().atLeastOnce();
replay();
mService.systemReady();
mNetworkObserver = networkObserver.getValue();
// 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, 512L, 4L, 256L, 2L, 4);
assertUidTotal(sTemplateWifi, UID_RED, SET_FOREGROUND, 512L, 4L, 256L, 2L, 6);
assertUidTotal(sTemplateWifi, UID_BLUE, 128L, 1L, 128L, 1L, 0);
verifyAndReset();
}
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());
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(CONNECTIVITY_ACTION_IMMEDIATE));
verifyAndReset();
// 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());
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// verify service recorded history
history = mService.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());
verifyAndReset();
// 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());
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// verify identical stats, but spread across 4 buckets now
history = mService.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());
verifyAndReset();
}
public void testUidStatsAcrossNetworks() throws Exception {
// pretend first mobile network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildMobile3gState(IMSI_1));
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(CONNECTIVITY_ACTION_IMMEDIATE));
verifyAndReset();
// 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));
expectNetworkStatsPoll();
mService.incrementOperationCount(UID_RED, 0xF00D, 10);
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// 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);
verifyAndReset();
// 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));
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(CONNECTIVITY_ACTION_IMMEDIATE));
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
verifyAndReset();
// 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));
expectNetworkStatsPoll();
mService.incrementOperationCount(UID_BLUE, 0xFAAD, 10);
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// 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);
verifyAndReset();
}
public void testUidRemovedIsMoved() throws Exception {
// pretend that network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildWifiState());
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(CONNECTIVITY_ACTION_IMMEDIATE));
verifyAndReset();
// 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));
expectNetworkStatsPoll();
mService.incrementOperationCount(UID_RED, 0xFAAD, 10);
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// 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);
verifyAndReset();
// 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));
expectNetworkStatsPoll();
replay();
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);
verifyAndReset();
}
public void testUid3g4gCombinedByTemplate() throws Exception {
// pretend that network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildMobile3gState(IMSI_1));
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(CONNECTIVITY_ACTION_IMMEDIATE));
verifyAndReset();
// 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));
expectNetworkStatsPoll();
mService.incrementOperationCount(UID_RED, 0xF00D, 5);
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// verify service recorded history
assertUidTotal(sTemplateImsi1, UID_RED, 1024L, 8L, 1024L, 8L, 5);
verifyAndReset();
// 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));
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(CONNECTIVITY_ACTION_IMMEDIATE));
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
verifyAndReset();
// 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));
expectNetworkStatsPoll();
mService.incrementOperationCount(UID_RED, 0xFAAD, 5);
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// verify that ALL_MOBILE template combines both
assertUidTotal(sTemplateImsi1, UID_RED, 1536L, 12L, 1280L, 10L, 10);
verifyAndReset();
}
public void testSummaryForAllUid() throws Exception {
// pretend that network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildWifiState());
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(CONNECTIVITY_ACTION_IMMEDIATE));
verifyAndReset();
// 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));
expectNetworkStatsPoll();
mService.incrementOperationCount(UID_RED, 0xF00D, 1);
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// verify service recorded history
assertUidTotal(sTemplateWifi, UID_RED, 50L, 5L, 50L, 5L, 1);
assertUidTotal(sTemplateWifi, UID_BLUE, 1024L, 8L, 512L, 4L, 0);
verifyAndReset();
// 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));
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// first verify entire history present
NetworkStats stats = mService.getSummaryForAllUid(
sTemplateWifi, Long.MIN_VALUE, Long.MAX_VALUE, true);
assertEquals(3, stats.size());
assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, TAG_NONE, 50L, 5L, 50L, 5L, 1);
assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, 0xF00D, 10L, 1L, 10L, 1L, 1);
assertValues(stats, IFACE_ALL, UID_BLUE, SET_DEFAULT, TAG_NONE, 2048L, 16L, 1024L, 8L, 0);
// now verify that recent history only contains one uid
final long currentTime = currentTimeMillis();
stats = mService.getSummaryForAllUid(
sTemplateWifi, currentTime - HOUR_IN_MILLIS, currentTime, true);
assertEquals(1, stats.size());
assertValues(stats, IFACE_ALL, UID_BLUE, SET_DEFAULT, TAG_NONE, 1024L, 8L, 512L, 4L, 0);
verifyAndReset();
}
public void testForegroundBackground() throws Exception {
// pretend that network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildWifiState());
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(CONNECTIVITY_ACTION_IMMEDIATE));
verifyAndReset();
// 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));
expectNetworkStatsPoll();
mService.incrementOperationCount(UID_RED, 0xF00D, 1);
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// verify service recorded history
assertUidTotal(sTemplateWifi, UID_RED, 128L, 2L, 128L, 2L, 1);
verifyAndReset();
// 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));
expectNetworkStatsPoll();
mService.setUidForeground(UID_RED, true);
mService.incrementOperationCount(UID_RED, 0xFAAD, 1);
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// test that we combined correctly
assertUidTotal(sTemplateWifi, UID_RED, 160L, 4L, 160L, 4L, 2);
// verify entire history present
final NetworkStats stats = mService.getSummaryForAllUid(
sTemplateWifi, Long.MIN_VALUE, Long.MAX_VALUE, true);
assertEquals(4, stats.size());
assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, TAG_NONE, 128L, 2L, 128L, 2L, 1);
assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, 0xF00D, 64L, 1L, 64L, 1L, 1);
assertValues(stats, IFACE_ALL, UID_RED, SET_FOREGROUND, TAG_NONE, 32L, 2L, 32L, 2L, 1);
assertValues(stats, IFACE_ALL, UID_RED, SET_FOREGROUND, 0xFAAD, 1L, 1L, 1L, 1L, 1);
verifyAndReset();
}
public void testTethering() throws Exception {
// pretend first mobile network comes online
expectCurrentTime();
expectDefaultSettings();
expectNetworkState(buildMobile3gState(IMSI_1));
expectNetworkStatsSummary(buildEmptyStats());
expectNetworkStatsUidDetail(buildEmptyStats());
expectNetworkStatsPoll();
replay();
mServiceContext.sendBroadcast(new Intent(CONNECTIVITY_ACTION_IMMEDIATE));
verifyAndReset();
// create some tethering traffic
incrementCurrentTime(HOUR_IN_MILLIS);
expectCurrentTime();
expectDefaultSettings();
expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
.addIfaceValues(TEST_IFACE, 2048L, 16L, 512L, 4L));
expectNetworkStatsUidDetail(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" };
expectNetworkStatsPoll(tetherIfacePairs, new NetworkStats(getElapsedRealtime(), 1)
.addValues(TEST_IFACE, UID_TETHERING, SET_DEFAULT, TAG_NONE, 1920L, 14L, 384L, 2L, 0L));
replay();
mServiceContext.sendBroadcast(new Intent(ACTION_NETWORK_STATS_POLL));
// 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);
verifyAndReset();
}
private void assertNetworkTotal(NetworkTemplate template, long rxBytes, long rxPackets,
long txBytes, long txPackets, int operations) {
final NetworkStatsHistory history = mService.getHistoryForNetwork(template, FIELD_ALL);
assertValues(history, Long.MIN_VALUE, Long.MAX_VALUE, rxBytes, rxPackets, txBytes,
txPackets, operations);
}
private void assertUidTotal(NetworkTemplate template, int uid, long rxBytes, long rxPackets,
long txBytes, long txPackets, int operations) {
assertUidTotal(template, uid, SET_ALL, rxBytes, rxPackets, txBytes, txPackets, operations);
}
private void assertUidTotal(NetworkTemplate template, int uid, int set, long rxBytes,
long rxPackets, long txBytes, long txPackets, int operations) {
final NetworkStatsHistory history = mService.getHistoryForUid(
template, uid, set, TAG_NONE, FIELD_ALL);
assertValues(history, Long.MIN_VALUE, Long.MAX_VALUE, rxBytes, rxPackets, txBytes,
txPackets, operations);
}
private void expectSystemReady() throws Exception {
mAlarmManager.remove(isA(PendingIntent.class));
expectLastCall().anyTimes();
mAlarmManager.setInexactRepeating(
eq(AlarmManager.ELAPSED_REALTIME), anyLong(), anyLong(), isA(PendingIntent.class));
expectLastCall().atLeastOnce();
mNetManager.setGlobalAlert(anyLong());
expectLastCall().atLeastOnce();
}
private void expectNetworkState(NetworkState... state) throws Exception {
expect(mConnManager.getAllNetworkState()).andReturn(state).atLeastOnce();
}
private void expectNetworkStatsSummary(NetworkStats summary) throws Exception {
expect(mNetManager.getNetworkStatsSummary()).andReturn(summary).atLeastOnce();
}
private void expectNetworkStatsUidDetail(NetworkStats detail) throws Exception {
expect(mNetManager.getNetworkStatsUidDetail(eq(UID_ALL))).andReturn(detail).atLeastOnce();
}
private void expectDefaultSettings() throws Exception {
expectSettings(0L, HOUR_IN_MILLIS, WEEK_IN_MILLIS);
}
private void expectSettings(long persistThreshold, long bucketDuration, long maxHistory)
throws Exception {
expect(mSettings.getPollInterval()).andReturn(HOUR_IN_MILLIS).anyTimes();
expect(mSettings.getPersistThreshold()).andReturn(persistThreshold).anyTimes();
expect(mSettings.getNetworkBucketDuration()).andReturn(bucketDuration).anyTimes();
expect(mSettings.getNetworkMaxHistory()).andReturn(maxHistory).anyTimes();
expect(mSettings.getUidBucketDuration()).andReturn(bucketDuration).anyTimes();
expect(mSettings.getUidMaxHistory()).andReturn(maxHistory).anyTimes();
expect(mSettings.getTagMaxHistory()).andReturn(maxHistory).anyTimes();
expect(mSettings.getTimeCacheMaxAge()).andReturn(DAY_IN_MILLIS).anyTimes();
}
private void expectCurrentTime() throws Exception {
expect(mTime.forceRefresh()).andReturn(false).anyTimes();
expect(mTime.hasCache()).andReturn(true).anyTimes();
expect(mTime.currentTimeMillis()).andReturn(currentTimeMillis()).anyTimes();
expect(mTime.getCacheAge()).andReturn(0L).anyTimes();
expect(mTime.getCacheCertainty()).andReturn(0L).anyTimes();
}
private void expectNetworkStatsPoll() throws Exception {
expectNetworkStatsPoll(new String[0], new NetworkStats(getElapsedRealtime(), 0));
}
private void expectNetworkStatsPoll(String[] tetherIfacePairs, NetworkStats tetherStats)
throws Exception {
mNetManager.setGlobalAlert(anyLong());
expectLastCall().anyTimes();
expect(mConnManager.getTetheredIfacePairs()).andReturn(tetherIfacePairs).anyTimes();
expect(mNetManager.getNetworkStatsTethering(eq(tetherIfacePairs)))
.andReturn(tetherStats).anyTimes();
}
private void assertStatsFilesExist(boolean exist) {
final File networkFile = new File(mStatsDir, "netstats.bin");
final File uidFile = new File(mStatsDir, "netstats_uid.bin");
if (exist) {
assertTrue(networkFile.exists());
assertTrue(uidFile.exists());
} else {
assertFalse(networkFile.exists());
assertFalse(uidFile.exists());
}
}
private static void assertValues(NetworkStats stats, String iface, int uid, int set,
int tag, long rxBytes, long rxPackets, long txBytes, long txPackets, int operations) {
final int i = stats.findIndex(iface, uid, set, tag);
final NetworkStats.Entry entry = 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() {
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);
return new NetworkState(info, prop, null);
}
private static NetworkState buildMobile3gState(String subscriberId) {
final NetworkInfo info = new NetworkInfo(
TYPE_MOBILE, TelephonyManager.NETWORK_TYPE_UMTS, null, null);
info.setDetailedState(DetailedState.CONNECTED, null, null);
final LinkProperties prop = new LinkProperties();
prop.setInterfaceName(TEST_IFACE);
return new NetworkState(info, prop, null, subscriberId);
}
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);
return new NetworkState(info, prop, 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 replay() {
EasyMock.replay(mNetManager, mAlarmManager, mTime, mSettings, mConnManager);
}
private void verifyAndReset() {
EasyMock.verify(mNetManager, mAlarmManager, mTime, mSettings, mConnManager);
EasyMock.reset(mNetManager, mAlarmManager, mTime, mSettings, mConnManager);
}
}