| /* |
| * 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 android.app.usage.NetworkStats; |
| import android.content.Context; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Loader for network data usage history. It returns a list of usage data per billing cycle with |
| * bucketized usages. |
| */ |
| public class NetworkCycleChartDataLoader |
| extends NetworkCycleDataLoader<List<NetworkCycleChartData>> { |
| |
| private static final String TAG = "NetworkCycleChartLoader"; |
| |
| private final List<NetworkCycleChartData> mData; |
| |
| private NetworkCycleChartDataLoader(Builder builder) { |
| super(builder); |
| mData = new ArrayList<>(); |
| } |
| |
| @Override |
| void recordUsage(long start, long end) { |
| try { |
| final NetworkStats.Bucket bucket = mNetworkStatsManager.querySummaryForDevice( |
| mNetworkTemplate, start, end); |
| final long total = bucket == null ? 0L : bucket.getRxBytes() + bucket.getTxBytes(); |
| if (total > 0L) { |
| final NetworkCycleChartData.Builder builder = new NetworkCycleChartData.Builder(); |
| builder.setUsageBuckets(getUsageBuckets(start, end)) |
| .setStartTime(start) |
| .setEndTime(end) |
| .setTotalUsage(total); |
| mData.add(builder.build()); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Exception querying network detail.", e); |
| } |
| } |
| |
| @Override |
| List<NetworkCycleChartData> getCycleUsage() { |
| return mData; |
| } |
| |
| public static Builder<?> builder(Context context) { |
| return new Builder<NetworkCycleChartDataLoader>(context) { |
| @Override |
| public NetworkCycleChartDataLoader build() { |
| return new NetworkCycleChartDataLoader(this); |
| } |
| }; |
| } |
| |
| private List<NetworkCycleData> getUsageBuckets(long start, long end) { |
| final List<NetworkCycleData> data = new ArrayList<>(); |
| long bucketStart = start; |
| long bucketEnd = start + NetworkCycleChartData.BUCKET_DURATION_MS; |
| while (bucketEnd <= end) { |
| long usage = 0L; |
| try { |
| final NetworkStats.Bucket bucket = mNetworkStatsManager.querySummaryForDevice( |
| mNetworkTemplate, bucketStart, bucketEnd); |
| if (bucket != null) { |
| usage = bucket.getRxBytes() + bucket.getTxBytes(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Exception querying network detail.", e); |
| } |
| data.add(new NetworkCycleData.Builder() |
| .setStartTime(bucketStart).setEndTime(bucketEnd).setTotalUsage(usage).build()); |
| bucketStart = bucketEnd; |
| bucketEnd += NetworkCycleChartData.BUCKET_DURATION_MS; |
| } |
| return data; |
| } |
| |
| public static abstract class Builder<T extends NetworkCycleChartDataLoader> |
| extends NetworkCycleDataLoader.Builder<T> { |
| |
| public Builder(Context context) { |
| super(context); |
| } |
| |
| } |
| |
| } |