1 //
2 // Copyright (C) 2015 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 #include "update_engine/payload_generator/raw_filesystem.h"
18 
19 #include <memory>
20 
21 #include "update_engine/common/utils.h"
22 #include "update_engine/payload_generator/extent_ranges.h"
23 #include "update_engine/update_metadata.pb.h"
24 
25 using std::unique_ptr;
26 
27 namespace chromeos_update_engine {
28 
29 unique_ptr<RawFilesystem> RawFilesystem::Create(const std::string& filename,
30                                                 uint64_t block_size,
31                                                 uint64_t block_count) {
32   unique_ptr<RawFilesystem> result(new RawFilesystem());
33   result->filename_ = filename;
34   result->block_size_ = block_size;
35   result->block_count_ = block_count;
36   return result;
37 }
38 
39 size_t RawFilesystem::GetBlockSize() const {
40   return block_size_;
41 }
42 
43 size_t RawFilesystem::GetBlockCount() const {
44   return block_count_;
45 }
46 
47 bool RawFilesystem::GetFiles(std::vector<File>* files) const {
48   files->clear();
49   File file;
50   file.name = filename_;
51   file.extents = {ExtentForRange(0, block_count_)};
52   files->push_back(file);
53   return true;
54 }
55 
56 }  // namespace chromeos_update_engine
57