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1 //
2 // Copyright (C) 2018 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 UPDATE_ENGINE_COMMON_DLCSERVICE_INTERFACE_H_
18 #define UPDATE_ENGINE_COMMON_DLCSERVICE_INTERFACE_H_
19 
20 #include <string>
21 #include <vector>
22 
23 #include <base/macros.h>
24 
25 namespace chromeos_update_engine {
26 
27 // The abstract dlcservice interface defines the interaction with the
28 // platform's dlcservice.
29 class DlcServiceInterface {
30  public:
31   virtual ~DlcServiceInterface() = default;
32 
33   // Returns true and a list of installed DLC module ids in |dlc_module_ids|.
34   // On failure it returns false.
35   virtual bool GetInstalled(std::vector<std::string>* dlc_module_ids) = 0;
36 
37  protected:
38   DlcServiceInterface() = default;
39 
40  private:
41   DISALLOW_COPY_AND_ASSIGN(DlcServiceInterface);
42 };
43 
44 }  // namespace chromeos_update_engine
45 
46 #endif  // UPDATE_ENGINE_COMMON_DLCSERVICE_INTERFACE_H_
47