1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef SRC_TRACED_PROBES_FTRACE_ATRACE_HAL_WRAPPER_H_
18 #define SRC_TRACED_PROBES_FTRACE_ATRACE_HAL_WRAPPER_H_
19 
20 #include <memory>
21 #include <string>
22 #include <vector>
23 
24 #include "perfetto/ext/base/scoped_file.h"
25 
26 namespace perfetto {
27 
28 class AtraceHalWrapper {
29  public:
30   AtraceHalWrapper();
31   virtual ~AtraceHalWrapper();
32 
33   virtual std::vector<std::string> ListCategories();
34   virtual bool EnableCategories(const std::vector<std::string>& categories);
35   virtual bool DisableAllCategories();
36 
37  private:
38   struct DynamicLibLoader;
39 
40   std::unique_ptr<DynamicLibLoader> lib_;
41 };
42 
43 }  // namespace perfetto
44 
45 #endif  // SRC_TRACED_PROBES_FTRACE_ATRACE_HAL_WRAPPER_H_
46