| /* |
| * Copyright (C) 2017 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 android.net; |
| |
| import android.net.NetworkStats; |
| |
| /** |
| * Interface for NetworkManagementService to query tethering statistics and set data limits. |
| * |
| * TODO: this does not really need to be an interface since Tethering runs in the same process |
| * as NetworkManagementService. Consider refactoring Tethering to use direct access to |
| * NetworkManagementService instead of using INetworkManagementService, and then deleting this |
| * interface. |
| * |
| * @hide |
| */ |
| interface ITetheringStatsProvider { |
| // Returns cumulative statistics for all tethering sessions since boot, on all upstreams. |
| // @code {how} is one of the NetworkStats.STATS_PER_* constants. If {@code how} is |
| // {@code STATS_PER_IFACE}, the provider should not include any traffic that is already |
| // counted by kernel interface counters. |
| NetworkStats getTetherStats(int how); |
| |
| // Sets the interface quota for the specified upstream interface. This is defined as the number |
| // of bytes, starting from zero and counting from now, after which data should stop being |
| // forwarded to/from the specified upstream. A value of QUOTA_UNLIMITED means there is no limit. |
| void setInterfaceQuota(String iface, long quotaBytes); |
| |
| // Indicates that no data usage limit is set. |
| const int QUOTA_UNLIMITED = -1; |
| } |