1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.net;
18
19import android.net.INetworkStatsSession;
20import android.net.NetworkStats;
21import android.net.NetworkStatsHistory;
22import android.net.NetworkTemplate;
23
24/** {@hide} */
25interface INetworkStatsService {
26
27    /** Start a statistics query session. */
28    INetworkStatsSession openSession();
29
30    /** Start a statistics query session. If calling package is profile or device owner then it is
31     *  granted automatic access if apiLevel is NetworkStatsManager.API_LEVEL_DPC_ALLOWED. If
32     *  apiLevel is at least NetworkStatsManager.API_LEVEL_REQUIRES_PACKAGE_USAGE_STATS then
33     *  PACKAGE_USAGE_STATS permission is always checked. If PACKAGE_USAGE_STATS is not granted
34     *  READ_NETWORK_USAGE_STATS is checked for.
35     */
36    INetworkStatsSession openSessionForUsageStats(String callingPackage);
37
38    /** Return network layer usage total for traffic that matches template. */
39    long getNetworkTotalBytes(in NetworkTemplate template, long start, long end);
40
41    /** Return data layer snapshot of UID network usage. */
42    NetworkStats getDataLayerSnapshotForUid(int uid);
43    /** Return set of any ifaces associated with mobile networks since boot. */
44    String[] getMobileIfaces();
45
46    /** Increment data layer count of operations performed for UID and tag. */
47    void incrementOperationCount(int uid, int tag, int operationCount);
48
49    /** Mark given UID as being in foreground for stats purposes. */
50    void setUidForeground(int uid, boolean uidForeground);
51
52    /** Force update of ifaces. */
53    void forceUpdateIfaces();
54    /** Force update of statistics. */
55    void forceUpdate();
56
57    /** Advise persistance threshold; may be overridden internally. */
58    void advisePersistThreshold(long thresholdBytes);
59
60}
61