1/*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15#include "net_settings.h"
16
17namespace OHOS {
18namespace NetManagerStandard {
19static constexpr uint32_t DEFAULT_SYSTEM_UID = 456;
20NetSettings::NetSettings()
21{
22    AddSystemUid(DEFAULT_SYSTEM_UID);
23}
24
25NetSettings::~NetSettings() {}
26
27NetSettings &NetSettings::GetInstance()
28{
29    static NetSettings gNetSettings;
30    return gNetSettings;
31}
32
33bool NetSettings::IsUidForeground(uint32_t uid)
34{
35    return foregroundUid_ == uid;
36}
37
38void NetSettings::SetForegroundUid(uint32_t uid)
39{
40    foregroundUid_ = uid;
41}
42
43bool NetSettings::IsSystem(uint32_t uid)
44{
45    std::lock_guard<std::mutex> lock(mutex_);
46    return std::find(systemUids_.begin(), systemUids_.end(), uid) != systemUids_.end();
47}
48
49void NetSettings::AddSystemUid(uint32_t uid)
50{
51    std::lock_guard<std::mutex> lock(mutex_);
52    systemUids_.push_back(uid);
53}
54
55void NetSettings::RemoveSystemUid(uint32_t uid)
56{
57    std::lock_guard<std::mutex> lock(mutex_);
58    if (uid == 0) {
59        systemUids_.clear();
60        return;
61    }
62
63    for (auto it = systemUids_.begin(); it != systemUids_.end(); it++) {
64        if (*it == uid) {
65            systemUids_.erase(it);
66            return;
67        }
68    }
69}
70} // namespace NetManagerStandard
71} // namespace OHOS
72