| /* |
| * Copyright (C) 2018 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.settingslib.net; |
| |
| import static android.app.usage.NetworkStats.Bucket.STATE_FOREGROUND; |
| import static android.net.NetworkStats.TAG_NONE; |
| |
| import android.app.usage.NetworkStats; |
| import android.content.Context; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Loader for network data usage history. It returns a list of usage data per billing cycle for the |
| * specific Uid(s). |
| */ |
| public class NetworkCycleDataForUidLoader extends |
| NetworkCycleDataLoader<List<NetworkCycleDataForUid>> { |
| private static final String TAG = "NetworkDataForUidLoader"; |
| |
| private final List<NetworkCycleDataForUid> mData; |
| private final List<Integer> mUids; |
| private final boolean mRetrieveDetail; |
| |
| private NetworkCycleDataForUidLoader(Builder builder) { |
| super(builder); |
| mUids = builder.mUids; |
| mRetrieveDetail = builder.mRetrieveDetail; |
| mData = new ArrayList<>(); |
| } |
| |
| @Override |
| void recordUsage(long start, long end) { |
| try { |
| long totalUsage = 0L; |
| long totalForeground = 0L; |
| for (int uid : mUids) { |
| final NetworkStats stats = mNetworkStatsManager.queryDetailsForUid( |
| mNetworkTemplate, start, end, uid); |
| final long usage = getTotalUsage(stats); |
| if (usage > 0L) { |
| totalUsage += usage; |
| if (mRetrieveDetail) { |
| totalForeground += getForegroundUsage(start, end, uid); |
| } |
| } |
| } |
| if (totalUsage > 0L) { |
| final NetworkCycleDataForUid.Builder builder = new NetworkCycleDataForUid.Builder(); |
| builder.setStartTime(start) |
| .setEndTime(end) |
| .setTotalUsage(totalUsage); |
| if (mRetrieveDetail) { |
| builder.setBackgroundUsage(totalUsage - totalForeground) |
| .setForegroundUsage(totalForeground); |
| } |
| mData.add(builder.build()); |
| } |
| } catch (Exception e) { |
| Log.e(TAG, "Exception querying network detail.", e); |
| } |
| } |
| |
| @Override |
| List<NetworkCycleDataForUid> getCycleUsage() { |
| return mData; |
| } |
| |
| public static Builder<?> builder(Context context) { |
| return new Builder<NetworkCycleDataForUidLoader>(context) { |
| @Override |
| public NetworkCycleDataForUidLoader build() { |
| return new NetworkCycleDataForUidLoader(this); |
| } |
| }; |
| } |
| |
| @VisibleForTesting(otherwise = VisibleForTesting.NONE) |
| public List<Integer> getUids() { |
| return mUids; |
| } |
| |
| private long getForegroundUsage(long start, long end, int uid) { |
| final NetworkStats stats = mNetworkStatsManager.queryDetailsForUidTagState( |
| mNetworkTemplate, start, end, uid, TAG_NONE, STATE_FOREGROUND); |
| return getTotalUsage(stats); |
| } |
| |
| public static abstract class Builder<T extends NetworkCycleDataForUidLoader> |
| extends NetworkCycleDataLoader.Builder<T> { |
| |
| private final List<Integer> mUids = new ArrayList<>(); |
| private boolean mRetrieveDetail = true; |
| |
| public Builder(Context context) { |
| super(context); |
| } |
| |
| public Builder<T> addUid(int uid) { |
| mUids.add(uid); |
| return this; |
| } |
| |
| public Builder<T> setRetrieveDetail(boolean retrieveDetail) { |
| mRetrieveDetail = retrieveDetail; |
| return this; |
| } |
| } |
| |
| } |