1 /*
2  * Copyright (C) 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 FRAMEWORKS_SERVICES_MEDIA_CLOUD_ENHANCEMENT_INCLUDE_DYNAMIC_LOADER_H
17 #define FRAMEWORKS_SERVICES_MEDIA_CLOUD_ENHANCEMENT_INCLUDE_DYNAMIC_LOADER_H
18 
19 #include <map>
20 #include <memory>
21 #include <mutex>
22 #include <string>
23 
24 namespace OHOS {
25 namespace Media {
26 #define EXPORT __attribute__ ((visibility ("default")))
27 
28 const std::string MEDIA_CLOUD_ENHANCE_LIB_SO = "/system/lib64/platformsdk/libmedia_cloud_enhance_plugin.z.so";
29 
30 class DynamicLoader {
31 public:
32     DynamicLoader();
33     ~DynamicLoader();
34 
35     void* OpenDynamicHandle(std::string dynamicLibrary);
36     void CloseDynamicHandle(std::string dynamicLibrary);
37     void* GetFunction(const std::string dynamicLibrary, const std::string function);
EndsWith(const std::string & str,const std::string & suffix)38     inline bool EndsWith(const std::string& str, const std::string& suffix)
39     {
40         if (str.length() >= suffix.length()) {
41             return str.compare(str.length() - suffix.length(), suffix.length(), suffix) == 0;
42         }
43         return false;
44     }
45 
46 private:
47     std::map<std::string, void *> dynamicLibHandle_;
48     std::recursive_mutex libLock_;
49 };
50 } // namespace Media
51 } // namespace OHOS
52 #endif  // FRAMEWORKS_SERVICES_MEDIA_CLOUD_ENHANCEMENT_INCLUDE_DYNAMIC_LOADER_H