1 /*
2  * Copyright (c) 2022-2023 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 
16 #ifndef NETLINK_MANAGER_H
17 #define NETLINK_MANAGER_H
18 
19 #include <memory>
20 #include <mutex>
21 #include <vector>
22 
23 #include "i_notify_callback.h"
24 
25 #define NET_SYMBOL_VISIBLE __attribute__ ((visibility("default")))
26 namespace OHOS {
27 namespace nmd {
28 class NET_SYMBOL_VISIBLE NetlinkManager {
29 public:
30     static constexpr uint32_t NFLOG_QUOTA_GROUP = 1;
31     static constexpr uint32_t NETFILTER_STRICT_GROUP = 2;
32     static constexpr uint32_t NFLOG_WAKEUP_GROUP = 3;
33     static constexpr uint32_t UEVENT_GROUP = 0xffffffff;
34 
35     NetlinkManager();
36     ~NetlinkManager();
37 
38     int32_t StartListener();
39     int32_t StopListener();
40     int32_t RegisterNetlinkCallback(sptr<NetsysNative::INotifyCallback> callback);
41     int32_t UnregisterNetlinkCallback(sptr<NetsysNative::INotifyCallback> callback);
42 
43 private:
44     std::shared_ptr<std::vector<sptr<NetsysNative::INotifyCallback>>> callbacks_;
45     std::mutex linkCallbackMutex_;
46 };
47 } // namespace nmd
48 } // namespace OHOS
49 #endif // NETLINK_MANAGER_H