| /* |
| * Copyright (C) 2016 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.server.net; |
| |
| import static com.android.server.net.NetworkPolicyManagerService.isUidNetworkingBlockedInternal; |
| |
| import android.annotation.NonNull; |
| import android.net.Network; |
| import android.net.NetworkTemplate; |
| import android.net.netstats.provider.NetworkStatsProvider; |
| import android.telephony.SubscriptionPlan; |
| |
| import java.util.Set; |
| |
| /** |
| * Network Policy Manager local system service interface. |
| * |
| * @hide Only for use within the system server. |
| */ |
| public abstract class NetworkPolicyManagerInternal { |
| |
| /** |
| * Resets all policies associated with a given user. |
| */ |
| public abstract void resetUserState(int userId); |
| |
| /** |
| * @return true if the given uid is restricted from doing networking on metered networks. |
| */ |
| public abstract boolean isUidRestrictedOnMeteredNetworks(int uid); |
| |
| /** |
| * @return true if networking is blocked on the given interface for the given uid according |
| * to current networking policies. |
| */ |
| public abstract boolean isUidNetworkingBlocked(int uid, String ifname); |
| |
| /** |
| * Figure out if networking is blocked for a given set of conditions. |
| * |
| * This is used by ConnectivityService via passing stale copies of conditions, so it must not |
| * take any locks. |
| * |
| * @param uid The target uid. |
| * @param uidRules The uid rules which are obtained from NetworkPolicyManagerService. |
| * @param isNetworkMetered True if the network is metered. |
| * @param isBackgroundRestricted True if data saver is enabled. |
| * |
| * @return true if networking is blocked for the UID under the specified conditions. |
| */ |
| public static boolean isUidNetworkingBlocked(int uid, int uidRules, boolean isNetworkMetered, |
| boolean isBackgroundRestricted) { |
| // Log of invoking internal function is disabled because it will be called very |
| // frequently. And metrics are unlikely needed on this method because the callers are |
| // external and this method doesn't take any locks or perform expensive operations. |
| return isUidNetworkingBlockedInternal(uid, uidRules, isNetworkMetered, |
| isBackgroundRestricted, null); |
| } |
| |
| /** |
| * Informs that an appId has been added or removed from the temp-powersave-whitelist so that |
| * that network rules for that appId can be updated. |
| * |
| * @param appId The appId which has been updated in the whitelist. |
| * @param added Denotes whether the {@param appId} has been added or removed from the whitelist. |
| */ |
| public abstract void onTempPowerSaveWhitelistChange(int appId, boolean added); |
| |
| /** |
| * Return the active {@link SubscriptionPlan} for the given network. |
| */ |
| public abstract SubscriptionPlan getSubscriptionPlan(Network network); |
| |
| /** |
| * Return the active {@link SubscriptionPlan} for the given template. |
| */ |
| public abstract SubscriptionPlan getSubscriptionPlan(NetworkTemplate template); |
| |
| public static final int QUOTA_TYPE_JOBS = 1; |
| public static final int QUOTA_TYPE_MULTIPATH = 2; |
| |
| /** |
| * Return the daily quota (in bytes) that can be opportunistically used on |
| * the given network to improve the end user experience. It's called |
| * "opportunistic" because it's traffic that would typically not use the |
| * given network. |
| */ |
| public abstract long getSubscriptionOpportunisticQuota(Network network, int quotaType); |
| |
| /** |
| * Informs that admin data is loaded and available. |
| */ |
| public abstract void onAdminDataAvailable(); |
| |
| /** |
| * Control if a UID should be whitelisted even if it's in app idle mode. Other restrictions may |
| * still be in effect. |
| */ |
| public abstract void setAppIdleWhitelist(int uid, boolean shouldWhitelist); |
| |
| /** |
| * Sets a list of packages which are restricted by admin from accessing metered data. |
| * |
| * @param packageNames the list of restricted packages. |
| * @param userId the userId in which {@param packagesNames} are restricted. |
| */ |
| public abstract void setMeteredRestrictedPackages( |
| Set<String> packageNames, int userId); |
| |
| |
| /** |
| * Similar to {@link #setMeteredRestrictedPackages(Set, int)} but updates the restricted |
| * packages list asynchronously. |
| */ |
| public abstract void setMeteredRestrictedPackagesAsync( |
| Set<String> packageNames, int userId); |
| |
| /** |
| * Notifies that the specified {@link NetworkStatsProvider} has reached its quota |
| * which was set through {@link NetworkStatsProvider#onSetLimit(String, long)}. |
| * |
| * @param tag the human readable identifier of the custom network stats provider. |
| */ |
| public abstract void onStatsProviderLimitReached(@NonNull String tag); |
| } |