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Merge changes I16418791,I210f5ddc am: b52609172e

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Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1948617

Change-Id: I255850295426742033b60d16f30f676e96f6bb4d
This commit is contained in:
Junyu Lai
2022-01-19 07:28:49 +00:00
committed by Automerger Merge Worker
parent ff2f7802ff b52609172e
commit 86811b5fba
6 changed files with 83 additions and 68 deletions
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5
core/api/module-lib-current.txt
View File

@@ -54,7 +54,12 @@ package android.app {
package android.app.usage {
public class NetworkStatsManager {
method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void forceUpdate();
method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void notifyNetworkStatus(@NonNull java.util.List<android.net.Network>, @NonNull java.util.List<android.net.NetworkStateSnapshot>, @Nullable String, @NonNull java.util.List<android.net.UnderlyingNetworkInfo>);
method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void setDefaultGlobalAlert(long);
method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void setPollOnOpen(boolean);
method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void setStatsProviderWarningAndLimitAsync(@NonNull String, long, long);
method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void setUidForeground(int, boolean);
}
}

34
packages/ConnectivityT/framework-t/src/android/app/usage/NetworkStatsManager.java
View File

@@ -18,6 +18,7 @@ package android.app.usage;
import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
import android.Manifest;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.RequiresPermission;
@@ -150,7 +151,13 @@ public class NetworkStatsManager {
* @param pollOnOpen true if poll is needed.
* @hide
*/
// @SystemApi(client = MODULE_LIBRARIES)
// The system will ignore any non-default values for non-privileged
// processes, so processes that don't hold the appropriate permissions
// can make no use of this API.
@SystemApi(client = MODULE_LIBRARIES)
@RequiresPermission(anyOf = {
NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
android.Manifest.permission.NETWORK_STACK})
public void setPollOnOpen(boolean pollOnOpen) {
if (pollOnOpen) {
mFlags |= FLAG_POLL_ON_OPEN;
@@ -877,7 +884,7 @@ public class NetworkStatsManager {
*
* @hide
*/
// @SystemApi
@SystemApi(client = MODULE_LIBRARIES)
@RequiresPermission(anyOf = {
NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
android.Manifest.permission.NETWORK_STACK})
@@ -890,17 +897,18 @@ public class NetworkStatsManager {
}
/**
* Advise persistence threshold; may be overridden internally.
* Set default value of global alert bytes, the value will be clamped to [128kB, 2MB].
*
* @hide
*/
// @SystemApi
@SystemApi(client = MODULE_LIBRARIES)
@RequiresPermission(anyOf = {
NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
android.Manifest.permission.NETWORK_STACK})
public void advisePersistThreshold(long thresholdBytes) {
Manifest.permission.NETWORK_STACK})
public void setDefaultGlobalAlert(long alertBytes) {
try {
mService.advisePersistThreshold(thresholdBytes);
// TODO: Sync internal naming with the API surface.
mService.advisePersistThreshold(alertBytes);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
@@ -911,7 +919,7 @@ public class NetworkStatsManager {
*
* @hide
*/
// @SystemApi
@SystemApi(client = MODULE_LIBRARIES)
@RequiresPermission(anyOf = {
NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
android.Manifest.permission.NETWORK_STACK})
@@ -927,9 +935,17 @@ public class NetworkStatsManager {
* Set the warning and limit to all registered custom network stats providers.
* Note that invocation of any interface will be sent to all providers.
*
* Asynchronicity notes : because traffic may be happening on the device at the same time, it
* doesn't make sense to wait for the warning and limit to be set – a caller still wouldn't
* know when exactly it was effective. All that can matter is that it's done quickly. Also,
* this method can't fail, so there is no status to return. All providers will see the new
* values soon.
* As such, this method returns immediately and sends the warning and limit to all providers
* as soon as possible through a one-way binder call.
*
* @hide
*/
// @SystemApi
@SystemApi(client = MODULE_LIBRARIES)
@RequiresPermission(anyOf = {
NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
android.Manifest.permission.NETWORK_STACK})

33
packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsService.java
View File

@@ -707,12 +707,25 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
return now - lastCallTime < POLL_RATE_LIMIT_MS;
}
private INetworkStatsSession openSessionInternal(final int flags, final String callingPackage) {
private int restrictFlagsForCaller(int flags) {
// All non-privileged callers are not allowed to turn off POLL_ON_OPEN.
final boolean isPrivileged = PermissionUtils.checkAnyPermissionOf(mContext,
NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
android.Manifest.permission.NETWORK_STACK);
if (!isPrivileged) {
flags |= NetworkStatsManager.FLAG_POLL_ON_OPEN;
}
// Non-system uids are rate limited for POLL_ON_OPEN.
final int callingUid = Binder.getCallingUid();
final int usedFlags = isRateLimitedForPoll(callingUid)
flags = isRateLimitedForPoll(callingUid)
? flags & (~NetworkStatsManager.FLAG_POLL_ON_OPEN)
: flags;
if ((usedFlags & (NetworkStatsManager.FLAG_POLL_ON_OPEN
return flags;
}
private INetworkStatsSession openSessionInternal(final int flags, final String callingPackage) {
final int restrictedFlags = restrictFlagsForCaller(flags);
if ((restrictedFlags & (NetworkStatsManager.FLAG_POLL_ON_OPEN
| NetworkStatsManager.FLAG_POLL_FORCE)) != 0) {
final long ident = Binder.clearCallingIdentity();
try {
@@ -726,7 +739,7 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
// for its lifetime; when caller closes only weak references remain.
return new INetworkStatsSession.Stub() {
private final int mCallingUid = callingUid;
private final int mCallingUid = Binder.getCallingUid();
private final String mCallingPackage = callingPackage;
private final @NetworkStatsAccess.Level int mAccessLevel = checkAccessLevel(
callingPackage);
@@ -760,21 +773,21 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
@Override
public NetworkStats getDeviceSummaryForNetwork(
NetworkTemplate template, long start, long end) {
return internalGetSummaryForNetwork(template, usedFlags, start, end, mAccessLevel,
mCallingUid);
return internalGetSummaryForNetwork(template, restrictedFlags, start, end,
mAccessLevel, mCallingUid);
}
@Override
public NetworkStats getSummaryForNetwork(
NetworkTemplate template, long start, long end) {
return internalGetSummaryForNetwork(template, usedFlags, start, end, mAccessLevel,
mCallingUid);
return internalGetSummaryForNetwork(template, restrictedFlags, start, end,
mAccessLevel, mCallingUid);
}
@Override
public NetworkStatsHistory getHistoryForNetwork(NetworkTemplate template, int fields) {
return internalGetHistoryForNetwork(template, usedFlags, fields, mAccessLevel,
mCallingUid);
return internalGetHistoryForNetwork(template, restrictedFlags, fields,
mAccessLevel, mCallingUid);
}
@Override

3
services/core/java/com/android/server/net/NetworkPolicyManagerService.java
View File

@@ -5098,7 +5098,8 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
// make sure stats are recorded frequently enough; we aim
// for 2MB threshold for 2GB/month rules.
final long persistThreshold = lowestRule / 1000;
mNetworkStats.advisePersistThreshold(persistThreshold);
// TODO: Sync internal naming with the API surface.
mNetworkStats.setDefaultGlobalAlert(persistThreshold);
return true;
}
case MSG_UPDATE_INTERFACE_QUOTAS: {

2
services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java
View File

@@ -2092,7 +2092,7 @@ public class NetworkPolicyManagerServiceTest {
}
private void verifyAdvisePersistThreshold() throws Exception {
verify(mStatsManager).advisePersistThreshold(anyLong());
verify(mStatsManager).setDefaultGlobalAlert(anyLong());
}
private static class TestAbstractFuture<T> extends AbstractFuture<T> {

74
tests/DataIdleTest/src/com/android/tests/dataidle/DataIdleTest.java
View File

@@ -15,20 +15,19 @@
*/
package com.android.tests.dataidle;
import static android.net.NetworkStats.METERED_YES;
import android.app.usage.NetworkStats;
import android.app.usage.NetworkStatsManager;
import android.content.Context;
import android.net.INetworkStatsService;
import android.net.INetworkStatsSession;
import android.net.NetworkStats;
import android.net.NetworkStats.Entry;
import android.net.NetworkTemplate;
import android.net.TrafficStats;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.telephony.TelephonyManager;
import android.test.InstrumentationTestCase;
import android.util.Log;
import java.util.Set;
/**
* A test that dumps data usage to instrumentation out, used for measuring data usage for idle
* devices.
@@ -36,7 +35,7 @@ import android.util.Log;
public class DataIdleTest extends InstrumentationTestCase {
private TelephonyManager mTelephonyManager;
private INetworkStatsService mStatsService;
private NetworkStatsManager mStatsManager;
private static final String LOG_TAG = "DataIdleTest";
private final static int INSTRUMENTATION_IN_PROGRESS = 2;
@@ -44,8 +43,7 @@ public class DataIdleTest extends InstrumentationTestCase {
protected void setUp() throws Exception {
super.setUp();
Context c = getInstrumentation().getTargetContext();
mStatsService = INetworkStatsService.Stub.asInterface(
ServiceManager.getService(Context.NETWORK_STATS_SERVICE));
mStatsManager = c.getSystemService(NetworkStatsManager.class);
mTelephonyManager = (TelephonyManager) c.getSystemService(Context.TELEPHONY_SERVICE);
}
@@ -53,7 +51,9 @@ public class DataIdleTest extends InstrumentationTestCase {
* Test that dumps all the data usage metrics for wifi to instrumentation out.
*/
public void testWifiIdle() {
NetworkTemplate template = NetworkTemplate.buildTemplateWifiWildcard();
final NetworkTemplate template = new NetworkTemplate
.Builder(NetworkTemplate.MATCH_WIFI)
.build();
fetchStats(template);
}
@@ -61,8 +61,11 @@ public class DataIdleTest extends InstrumentationTestCase {
* Test that dumps all the data usage metrics for all mobile to instrumentation out.
*/
public void testMobile() {
String subscriberId = mTelephonyManager.getSubscriberId();
NetworkTemplate template = NetworkTemplate.buildTemplateMobileAll(subscriberId);
final String subscriberId = mTelephonyManager.getSubscriberId();
NetworkTemplate template = new NetworkTemplate
.Builder(NetworkTemplate.MATCH_MOBILE)
.setMeteredness(METERED_YES)
.setSubscriberIds(Set.of(subscriberId)).build();
fetchStats(template);
}
@@ -72,49 +75,26 @@ public class DataIdleTest extends InstrumentationTestCase {
* @param template {@link NetworkTemplate} to match.
*/
private void fetchStats(NetworkTemplate template) {
INetworkStatsSession session = null;
try {
mStatsService.forceUpdate();
session = mStatsService.openSession();
final NetworkStats stats = session.getSummaryForAllUid(
template, Long.MIN_VALUE, Long.MAX_VALUE, false);
reportStats(stats);
} catch (RemoteException e) {
mStatsManager.forceUpdate();
final NetworkStats.Bucket bucket =
mStatsManager.querySummaryForDevice(template, Long.MIN_VALUE, Long.MAX_VALUE);
reportStats(bucket);
} catch (RuntimeException e) {
Log.w(LOG_TAG, "Failed to fetch network stats.");
} finally {
TrafficStats.closeQuietly(session);
}
}
/**
* Print network data usage stats to instrumentation out
* @param stats {@link NetworkorStats} to print
* @param bucket {@link NetworkStats} to print
*/
void reportStats(NetworkStats stats) {
void reportStats(NetworkStats.Bucket bucket) {
Bundle result = new Bundle();
long rxBytes = 0;
long txBytes = 0;
long rxPackets = 0;
long txPackets = 0;
for (int i = 0; i < stats.size(); ++i) {
// Label will be iface_uid_tag_set
Entry statsEntry = stats.getValues(i, null);
// Debugging use.
/*
String labelTemplate = String.format("%s_%d_%d_%d", statsEntry.iface, statsEntry.uid,
statsEntry.tag, statsEntry.set) + "_%s";
result.putLong(String.format(labelTemplate, "rxBytes"), statsEntry.rxBytes);
result.putLong(String.format(labelTemplate, "txBytes"), statsEntry.txBytes);
*/
rxPackets += statsEntry.rxPackets;
rxBytes += statsEntry.rxBytes;
txPackets += statsEntry.txPackets;
txBytes += statsEntry.txBytes;
}
result.putLong("Total rx Bytes", rxBytes);
result.putLong("Total tx Bytes", txBytes);
result.putLong("Total rx Packets", rxPackets);
result.putLong("Total tx Packets", txPackets);
result.putLong("Total rx Bytes", bucket.getRxBytes());
result.putLong("Total tx Bytes", bucket.getTxBytes());
result.putLong("Total rx Packets", bucket.getRxPackets());
result.putLong("Total tx Packets", bucket.getTxPackets());
getInstrumentation().sendStatus(INSTRUMENTATION_IN_PROGRESS, result);
}