| /* |
| * Copyright (C) 2019 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.content.Context; |
| import android.net.NetworkStats; |
| import android.net.NetworkTemplate; |
| import android.telephony.SubscriptionInfo; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.util.Log; |
| |
| import com.android.internal.util.ArrayUtils; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Utils class for data usage |
| */ |
| public class DataUsageUtils { |
| private static final String TAG = "DataUsageUtils"; |
| |
| /** |
| * Return mobile NetworkTemplate based on {@code subId} |
| */ |
| public static NetworkTemplate getMobileTemplate(Context context, int subId) { |
| final TelephonyManager telephonyManager = context.getSystemService(TelephonyManager.class); |
| final int mobileDefaultSubId = telephonyManager.getSubscriptionId(); |
| |
| final SubscriptionManager subscriptionManager = |
| context.getSystemService(SubscriptionManager.class); |
| final List<SubscriptionInfo> subInfoList = |
| subscriptionManager.getAvailableSubscriptionInfoList(); |
| if (subInfoList == null) { |
| Log.i(TAG, "Subscription is not inited: " + subId); |
| return getMobileTemplateForSubId(telephonyManager, mobileDefaultSubId); |
| } |
| |
| for (SubscriptionInfo subInfo : subInfoList) { |
| if ((subInfo != null) && (subInfo.getSubscriptionId() == subId)) { |
| return getNormalizedMobileTemplate(telephonyManager, subId); |
| } |
| } |
| Log.i(TAG, "Subscription is not active: " + subId); |
| return getMobileTemplateForSubId(telephonyManager, mobileDefaultSubId); |
| } |
| |
| private static NetworkTemplate getNormalizedMobileTemplate( |
| TelephonyManager telephonyManager, int subId) { |
| final NetworkTemplate mobileTemplate = getMobileTemplateForSubId(telephonyManager, subId); |
| final Set<String> mergedSubscriberIds = Set.of(telephonyManager |
| .createForSubscriptionId(subId).getMergedImsisFromGroup()); |
| if (ArrayUtils.isEmpty(mergedSubscriberIds)) { |
| Log.i(TAG, "mergedSubscriberIds is null."); |
| return mobileTemplate; |
| } |
| |
| return normalizeMobileTemplate(mobileTemplate, mergedSubscriberIds); |
| } |
| |
| private static NetworkTemplate normalizeMobileTemplate( |
| NetworkTemplate template, Set<String> mergedSet) { |
| if (template.getSubscriberIds().isEmpty()) return template; |
| // The input template should have at most 1 subscriberId. |
| final String subscriberId = template.getSubscriberIds().iterator().next(); |
| |
| if (mergedSet.contains(subscriberId)) { |
| // Requested template subscriber is part of the merge group; return |
| // a template that matches all merged subscribers. |
| return new NetworkTemplate.Builder(template.getMatchRule()) |
| .setSubscriberIds(mergedSet) |
| .setWifiNetworkKeys(template.getWifiNetworkKeys()) |
| .setMeteredness(NetworkStats.METERED_YES).build(); |
| } |
| |
| return template; |
| } |
| |
| private static NetworkTemplate getMobileTemplateForSubId( |
| TelephonyManager telephonyManager, int subId) { |
| // Create template that matches any mobile network when the subscriberId is null. |
| String subscriberId = telephonyManager.getSubscriberId(subId); |
| return subscriberId != null |
| ? new NetworkTemplate.Builder(NetworkTemplate.MATCH_CARRIER) |
| .setSubscriberIds(Set.of(subscriberId)) |
| .setMeteredness(NetworkStats.METERED_YES) |
| .build() |
| : new NetworkTemplate.Builder(NetworkTemplate.MATCH_MOBILE) |
| .setMeteredness(NetworkStats.METERED_YES) |
| .build(); |
| } |
| } |