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Implement AppStateHelper#hasActiveNetwork

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An app is said to be network active if it has sent
or received network data over the pas 10 minutes.

For now we monitor only WIFI and mobile network.
This should cover most cases of network usage.

Bug: 235306967
Test: atest CtsStagedInstallHostTestCases
Change-Id: Iac49bd83202932fc7a411cdc8a97e0a949c3f691
This commit is contained in:
JW Wang
2022-12-12 10:50:02 +08:00
parent f8d1c26e50
commit d2f1260c58
1 changed files with 37 additions and 7 deletions
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44
services/core/java/com/android/server/pm/AppStateHelper.java
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@@ -19,9 +19,13 @@ package com.android.server.pm;
import android.app.ActivityManager;
import android.app.ActivityManager.RunningAppProcessInfo;
import android.app.ActivityManagerInternal;
import android.app.ActivityThread;
import android.app.usage.NetworkStats;
import android.app.usage.NetworkStatsManager;
import android.content.Context;
import android.media.AudioManager;
import android.media.IAudioService;
import android.net.ConnectivityManager;
import android.os.ServiceManager;
import android.os.SystemProperties;
import android.telecom.TelecomManager;
@@ -33,11 +37,15 @@ import com.android.server.LocalServices;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
/**
* A helper class to provide queries for app states concerning gentle-update.
*/
public class AppStateHelper {
// The duration to monitor network usage to determine if network is active or not
private static final long ACTIVE_NETWORK_DURATION_MILLIS = TimeUnit.MINUTES.toMillis(10);
private final Context mContext;
public AppStateHelper(Context context) {
@@ -127,26 +135,48 @@ public class AppStateHelper {
return hasAudioFocus(packageName) || isRecordingAudio(packageName);
}
/**
* True if the app is sending or receiving network data.
*/
private boolean hasActiveNetwork(String packageName) {
// To be implemented
private boolean hasActiveNetwork(List<String> packageNames, int networkType) {
var pm = ActivityThread.getPackageManager();
var nsm = mContext.getSystemService(NetworkStatsManager.class);
var endTime = System.currentTimeMillis();
var startTime = endTime - ACTIVE_NETWORK_DURATION_MILLIS;
try (var stats = nsm.querySummary(networkType, null, startTime, endTime)) {
var bucket = new NetworkStats.Bucket();
while (stats.hasNextBucket()) {
stats.getNextBucket(bucket);
var packageName = pm.getNameForUid(bucket.getUid());
if (!packageNames.contains(packageName)) {
continue;
}
if (bucket.getRxPackets() > 0 || bucket.getTxPackets() > 0) {
return true;
}
}
} catch (Exception ignore) {
}
return false;
}
/**
* True if any app has sent or received network data over the past
* {@link #ACTIVE_NETWORK_DURATION_MILLIS} milliseconds.
*/
private boolean hasActiveNetwork(List<String> packageNames) {
return hasActiveNetwork(packageNames, ConnectivityManager.TYPE_WIFI)
|| hasActiveNetwork(packageNames, ConnectivityManager.TYPE_MOBILE);
}
/**
* True if any app is interacting with the user.
*/
public boolean hasInteractingApp(List<String> packageNames) {
for (var packageName : packageNames) {
if (hasActiveAudio(packageName)
|| hasActiveNetwork(packageName)
|| isAppTopVisible(packageName)) {
return true;
}
}
return false;
return hasActiveNetwork(packageNames);
}
/**