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72 lines
2.8 KiB
72 lines
2.8 KiB
//
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// Copyright (C) 2015 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef UPDATE_ENGINE_COMMON_BOOT_CONTROL_STUB_H_
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#define UPDATE_ENGINE_COMMON_BOOT_CONTROL_STUB_H_
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#include <memory>
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#include <string>
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#include "update_engine/common/boot_control_interface.h"
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#include "update_engine/common/dynamic_partition_control_interface.h"
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namespace chromeos_update_engine {
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// An implementation of the BootControlInterface that does nothing,
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// typically used when e.g. an underlying HAL implementation cannot be
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// loaded or doesn't exist.
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//
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// You are guaranteed that the implementation of GetNumSlots() method
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// always returns 0. This can be used to identify that this
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// implementation is in use.
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class BootControlStub : public BootControlInterface {
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public:
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BootControlStub();
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~BootControlStub() = default;
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// BootControlInterface overrides.
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unsigned int GetNumSlots() const override;
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BootControlInterface::Slot GetCurrentSlot() const override;
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bool GetPartitionDevice(const std::string& partition_name,
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Slot slot,
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bool not_in_payload,
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std::string* device,
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bool* is_dynamic) const override;
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bool GetPartitionDevice(const std::string& partition_name,
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BootControlInterface::Slot slot,
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std::string* device) const override;
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std::optional<PartitionDevice> GetPartitionDevice(
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const std::string& partition_name,
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uint32_t slot,
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uint32_t current_slot,
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bool not_in_payload = false) const override;
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bool IsSlotBootable(BootControlInterface::Slot slot) const override;
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bool MarkSlotUnbootable(BootControlInterface::Slot slot) override;
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bool SetActiveBootSlot(BootControlInterface::Slot slot) override;
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bool MarkBootSuccessfulAsync(base::Callback<void(bool)> callback) override;
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bool IsSlotMarkedSuccessful(BootControlInterface::Slot slot) const override;
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DynamicPartitionControlInterface* GetDynamicPartitionControl() override;
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private:
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std::unique_ptr<DynamicPartitionControlInterface> dynamic_partition_control_;
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DISALLOW_COPY_AND_ASSIGN(BootControlStub);
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};
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} // namespace chromeos_update_engine
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#endif // UPDATE_ENGINE_COMMON_BOOT_CONTROL_STUB_H_
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