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_DLCSERVICE_CHROMEOS_H_
18 #define UPDATE_ENGINE_DLCSERVICE_CHROMEOS_H_
19 
20 #include <memory>
21 #include <string>
22 #include <vector>
23 
24 #include "update_engine/common/dlcservice_interface.h"
25 
26 namespace chromeos_update_engine {
27 
28 // The Chrome OS implementation of the DlcServiceInterface. This interface
29 // interacts with dlcservice via D-Bus.
30 class DlcServiceChromeOS : public DlcServiceInterface {
31  public:
32   DlcServiceChromeOS() = default;
33   ~DlcServiceChromeOS() = default;
34 
35   // DlcServiceInterface overrides.
36 
37   // Will clear the |dlc_ids|, passed to be modified. Clearing by default has
38   // the added benefit of avoiding indeterminate behavior in the case that
39   // |dlc_ids| wasn't empty to begin which would lead to possible duplicates and
40   // cases when error was not checked it's still safe.
41   bool GetDlcsToUpdate(std::vector<std::string>* dlc_ids) override;
42 
43   // Call into dlcservice for it to mark the DLC IDs as being installed.
44   bool InstallCompleted(const std::vector<std::string>& dlc_ids) override;
45 
46   // Call into dlcservice for it to mark the DLC IDs as being updated.
47   bool UpdateCompleted(const std::vector<std::string>& dlc_ids) override;
48 
49  private:
50   DISALLOW_COPY_AND_ASSIGN(DlcServiceChromeOS);
51 };
52 
53 }  // namespace chromeos_update_engine
54 
55 #endif  // UPDATE_ENGINE_DLCSERVICE_CHROMEOS_H_
56