1 /*
2  * Copyright (C) 2021-2024 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 OHOS_IPC_BINDER_CONNECTOR_H
17 #define OHOS_IPC_BINDER_CONNECTOR_H
18 
19 #include <string>
20 #include <mutex>
21 
22 namespace OHOS {
23 #ifdef CONFIG_ACTV_BINDER
24 class ActvBinderConnector {
25 public:
26     ActvBinderConnector();
27 
28     int InitActvBinder(int fd);
29     void InitActvBinderConfig(uint64_t featureSet);
30 
31     bool isActvMgr_;
32 };
33 #endif
34 
35 class BinderConnector {
36 public:
37     static BinderConnector *GetInstance();
38     BinderConnector(const std::string &deviceName);
39     ~BinderConnector();
40 
41     int WriteBinder(unsigned long request, void *value);
42     void ExitCurrentThread(unsigned long request);
43     bool IsDriverAlive();
44     bool IsAccessTokenSupported();
45     bool IsRealPidSupported();
46     uint64_t GetSelfTokenID();
47     uint64_t GetSelfFirstCallerTokenID();
48     void CloseDriverFd();
49 #ifdef CONFIG_ACTV_BINDER
50     bool IsActvBinderSupported();
51     bool IsActvBinderService();
52 #endif
53 private:
54     static BinderConnector *instance_;
55     static std::mutex skeletonMutex;
56     bool OpenDriver();
57     bool MapMemory(uint64_t featureSet);
58     int driverFD_;
59     void *vmAddr_;
60     const std::string deviceName_;
61     int32_t version_;
62     uint64_t featureSet_;
63     uint64_t selfTokenID_;
64 #ifdef CONFIG_ACTV_BINDER
65     ActvBinderConnector actvBinder_;
66 #endif
67 };
68 } // namespace OHOS
69 #endif // OHOS_IPC_BINDER_CONNECTOR_H
70