1//
2// Copyright (C) 2013 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_HWID_OVERRIDE_H_
18#define UPDATE_ENGINE_COMMON_HWID_OVERRIDE_H_
19
20#include <map>
21#include <string>
22
23#include <base/files/file_path.h>
24#include <base/macros.h>
25
26namespace chromeos_update_engine {
27
28// Class that allows HWID to be read from <root>/etc/lsb-release.
29class HwidOverride {
30 public:
31  HwidOverride();
32  ~HwidOverride();
33
34  // Read HWID from an /etc/lsb-release file under given root.
35  // An empty string is returned if there is any error.
36  static std::string Read(const base::FilePath& root);
37
38  static const char kHwidOverrideKey[];
39
40 private:
41  DISALLOW_COPY_AND_ASSIGN(HwidOverride);
42};
43
44}  // namespace chromeos_update_engine
45
46#endif  // UPDATE_ENGINE_COMMON_HWID_OVERRIDE_H_
47