raw_filesystem.cc revision 39910dcd1d68987ccee7c3031dc269233a8490bb
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 "update_engine/common/utils.h"
20#include "update_engine/payload_generator/extent_ranges.h"
21#include "update_engine/update_metadata.pb.h"
22
23using std::unique_ptr;
24
25namespace chromeos_update_engine {
26
27unique_ptr<RawFilesystem> RawFilesystem::Create(
28      const std::string& filename, uint64_t block_size, uint64_t block_count) {
29  unique_ptr<RawFilesystem> result(new RawFilesystem());
30  result->filename_ = filename;
31  result->block_size_ = block_size;
32  result->block_count_ = block_count;
33  return result;
34}
35
36size_t RawFilesystem::GetBlockSize() const {
37  return block_size_;
38}
39
40size_t RawFilesystem::GetBlockCount() const {
41  return block_count_;
42}
43
44bool RawFilesystem::GetFiles(std::vector<File>* files) const {
45  files->clear();
46  File file;
47  file.name = filename_;
48  file.extents = { ExtentForRange(0, block_count_) };
49  files->push_back(file);
50  return true;
51}
52
53}  // namespace chromeos_update_engine
54