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/blob_file_writer.h"
18
19#include "update_engine/common/utils.h"
20
21namespace chromeos_update_engine {
22
23off_t BlobFileWriter::StoreBlob(const brillo::Blob& blob) {
24  base::AutoLock auto_lock(blob_mutex_);
25  if (!utils::PWriteAll(blob_fd_, blob.data(), blob.size(), *blob_file_size_))
26    return -1;
27
28  off_t result = *blob_file_size_;
29  *blob_file_size_ += blob.size();
30
31  stored_blobs_++;
32  if (total_blobs_ > 0 &&
33      (10 * (stored_blobs_ - 1) / total_blobs_) !=
34      (10 * stored_blobs_ / total_blobs_)) {
35    LOG(INFO) << (100 * stored_blobs_ / total_blobs_)
36              << "% complete " << stored_blobs_ << "/" << total_blobs_
37              << " ops (output size: " << *blob_file_size_ << ")";
38  }
39  return result;
40}
41
42void BlobFileWriter::SetTotalBlobs(size_t total_blobs) {
43  total_blobs_ = total_blobs;
44  stored_blobs_ = 0;
45}
46
47}  // namespace chromeos_update_engine
48