1 /*
2  * Copyright (C) 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 MDNS_MANDGER_H
17 #define MDNS_MANDGER_H
18 
19 #include <cstdint>
20 #include <map>
21 #include <string>
22 
23 #include "parcel.h"
24 
25 #include "i_mdns_event.h"
26 #include "mdns_common.h"
27 #include "mdns_protocol_impl.h"
28 #include "mdns_service_info.h"
29 
30 namespace OHOS {
31 namespace NetManagerStandard {
32 
33 class MDnsManager {
34 public:
35     static MDnsManager &GetInstance();
36 
37     void RestartMDnsProtocolImpl();
38 
39     int32_t RegisterService(const MDnsServiceInfo &serviceInfo, const sptr<IRegistrationCallback> &cb);
40     int32_t UnRegisterService(const sptr<IRegistrationCallback> &cb);
41 
42     int32_t StartDiscoverService(const std::string &serviceType, const sptr<IDiscoveryCallback> &cb);
43     int32_t StopDiscoverService(const sptr<IDiscoveryCallback> &cb);
44 
45     int32_t ResolveService(const MDnsServiceInfo &serviceInfo, const sptr<IResolveCallback> &cb);
46 
47     void GetDumpMessage(std::string &message);
48     bool IsAvailableCallback(const sptr<IDiscoveryCallback> &cb);
49     bool IsAvailableCallback(const sptr<IResolveCallback> &cb);
50 
51 private:
52     MDnsManager();
53     ~MDnsManager() = default;
54 
55     struct CompareSmartPointer {
operatorCompareSmartPointer56         bool operator()(const sptr<IRemoteBroker> &lhs, const sptr<IRemoteBroker> &rhs) const
57         {
58             return lhs->AsObject().GetRefPtr() < rhs->AsObject().GetRefPtr();
59         }
60     };
61     void RestartDiscoverService();
62 
63     MDnsProtocolImpl impl;
64     std::map<sptr<IRegistrationCallback>, std::string, CompareSmartPointer> registerMap_;
65     std::map<sptr<IDiscoveryCallback>, std::string, CompareSmartPointer> discoveryMap_;
66     std::recursive_mutex registerMutex_;
67     std::recursive_mutex discoveryMutex_;
68 };
69 
70 } // namespace NetManagerStandard
71 } // namespace OHOS
72 
73 #endif