payload_consumer/partition_writer_factory_android.cc

//
// Copyright (C) 2020 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#include <cstddef>
#include <memory>

#include <base/logging.h>

#include "update_engine/payload_consumer/partition_writer.h"
#include "update_engine/payload_consumer/vabc_partition_writer.h"

namespace chromeos_update_engine::partition_writer {

std::unique_ptr<PartitionWriterInterface> CreatePartitionWriter(
    const PartitionUpdate& partition_update,
    const InstallPlan::Partition& install_part,
    DynamicPartitionControlInterface* dynamic_control,
    size_t block_size,
    bool is_interactive,
    bool is_dynamic_partition) {
  if (dynamic_control && dynamic_control->UpdateUsesSnapshotCompression() &&
      is_dynamic_partition) {
    LOG(INFO)
        << "Virtual AB Compression Enabled, using VABC Partition Writer for `"
        << install_part.name << '`';
    return std::make_unique<VABCPartitionWriter>(
        partition_update, install_part, dynamic_control, block_size);
  } else {
    LOG(INFO) << "Virtual AB Compression disabled, using Partition Writer for `"
              << install_part.name << '`';
    return std::make_unique<PartitionWriter>(partition_update,
                                             install_part,
                                             dynamic_control,
                                             block_size,
                                             is_interactive);
  }
}
}  // namespace chromeos_update_engine::partition_writer