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dynamic_partition_control_android.h
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dynamic_partition_control_android.h
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//
// Copyright (C) 2018 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.
//
#ifndef UPDATE_ENGINE_DYNAMIC_PARTITION_CONTROL_ANDROID_H_
#define UPDATE_ENGINE_DYNAMIC_PARTITION_CONTROL_ANDROID_H_
#include "update_engine/dynamic_partition_control_interface.h"
#include <memory>
#include <set>
#include <string>
namespace chromeos_update_engine {
class DynamicPartitionControlAndroid : public DynamicPartitionControlInterface {
public:
DynamicPartitionControlAndroid() = default;
~DynamicPartitionControlAndroid();
bool IsDynamicPartitionsEnabled() override;
bool IsDynamicPartitionsRetrofit() override;
bool MapPartitionOnDeviceMapper(const std::string& super_device,
const std::string& target_partition_name,
uint32_t slot,
bool force_writable,
std::string* path) override;
bool UnmapPartitionOnDeviceMapper(const std::string& target_partition_name,
bool wait) override;
void Cleanup() override;
bool DeviceExists(const std::string& path) override;
android::dm::DmDeviceState GetState(const std::string& name) override;
bool GetDmDevicePathByName(const std::string& name,
std::string* path) override;
std::unique_ptr<android::fs_mgr::MetadataBuilder> LoadMetadataBuilder(
const std::string& super_device,
uint32_t source_slot,
uint32_t target_slot) override;
bool StoreMetadata(const std::string& super_device,
android::fs_mgr::MetadataBuilder* builder,
uint32_t target_slot) override;
bool GetDeviceDir(std::string* path) override;
private:
std::set<std::string> mapped_devices_;
void CleanupInternal(bool wait);
bool MapPartitionInternal(const std::string& super_device,
const std::string& target_partition_name,
uint32_t slot,
bool force_writable,
std::string* path);
DISALLOW_COPY_AND_ASSIGN(DynamicPartitionControlAndroid);
};
} // namespace chromeos_update_engine
#endif // UPDATE_ENGINE_DYNAMIC_PARTITION_CONTROL_ANDROID_H_