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//
// 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.
//
#ifndef UPDATE_ENGINE_PAYLOAD_CONSUMER_PARTITION_UPDATE_GENERATOR_ANDROID_H_
#define UPDATE_ENGINE_PAYLOAD_CONSUMER_PARTITION_UPDATE_GENERATOR_ANDROID_H_
#include <optional>
#include <set>
#include <string>
#include <vector>
#include <brillo/secure_blob.h>
#include <gtest/gtest_prod.h> // for FRIEND_TEST
#include "update_engine/common/boot_control_interface.h"
#include "update_engine/payload_consumer/partition_update_generator_interface.h"
namespace chromeos_update_engine {
class PartitionUpdateGeneratorAndroid
: public PartitionUpdateGeneratorInterface {
public:
PartitionUpdateGeneratorAndroid(BootControlInterface* boot_control,
size_t block_size);
bool GenerateOperationsForPartitionsNotInPayload(
BootControlInterface::Slot source_slot,
BootControlInterface::Slot target_slot,
const std::set<std::string>& partitions_in_payload,
std::vector<PartitionUpdate>* update_list) override;
virtual std::vector<std::string> GetAbPartitionsOnDevice() const;
private:
friend class PartitionUpdateGeneratorAndroidTest;
FRIEND_TEST(PartitionUpdateGeneratorAndroidTest, GetStaticPartitions);
FRIEND_TEST(PartitionUpdateGeneratorAndroidTest, CreatePartitionUpdate);
// Creates a PartitionUpdate object for a given partition to update from
// source to target. Returns std::nullopt on failure.
std::optional<PartitionUpdate> CreatePartitionUpdate(
const std::string& partition_name,
const std::string& source_device,
const std::string& target_device,
int64_t partition_size);
std::optional<brillo::Blob> CalculateHashForPartition(
const std::string& block_device, int64_t partition_size);
BootControlInterface* boot_control_;
size_t block_size_;
};
} // namespace chromeos_update_engine
#endif
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