1/*
2 * Copyright (C) 2016 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
17#pragma once
18
19#include "bt_common.h"
20
21#include <hardware/bluetooth.h>
22
23struct uid_set_t;
24typedef struct uid_set_t uid_set_t;
25
26/**
27 * Creates a UID set to keep track of traffic per UID.
28 * Caller is responsible for destroying this object via uid_set_destroy().
29 */
30uid_set_t* uid_set_create();
31
32void uid_set_destroy(uid_set_t* set);
33
34void uid_set_add_tx(uid_set_t* set, int32_t app_uid, uint64_t bytes);
35void uid_set_add_rx(uid_set_t* set, int32_t app_uid, uint64_t bytes);
36
37/**
38 * Returns an array of bt_uid_traffic_t structs, where the end of the array
39 * is signaled by an element with app_uid == -1.
40 *
41 * The caller is responsible for calling osi_free() on the returned array.
42 */
43bt_uid_traffic_t* uid_set_read_and_clear(uid_set_t* set);
44