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55 lines
2.0 KiB
55 lines
2.0 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 <string> |
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#include "update_engine/common/boot_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 gauranteed 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() = default; |
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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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BootControlInterface::Slot slot, |
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std::string* device) 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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private: |
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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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