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//
// Copyright (C) 2015 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_COMMON_FAKE_BOOT_CONTROL_H_
#define UPDATE_ENGINE_COMMON_FAKE_BOOT_CONTROL_H_
#include <map>
#include <memory>
#include <string>
#include <vector>
#include <base/time/time.h>
#include "update_engine/common/boot_control_interface.h"
#include "update_engine/common/dynamic_partition_control_stub.h"
namespace chromeos_update_engine {
// Implements a fake bootloader control interface used for testing.
class FakeBootControl : public BootControlInterface {
public:
FakeBootControl() {
SetNumSlots(num_slots_);
// The current slot should be bootable.
is_bootable_[current_slot_] = true;
dynamic_partition_control_.reset(new DynamicPartitionControlStub());
}
// BootControlInterface overrides.
unsigned int GetNumSlots() const override { return num_slots_; }
BootControlInterface::Slot GetCurrentSlot() const override {
return current_slot_;
}
bool GetPartitionDevice(const std::string& partition_name,
BootControlInterface::Slot slot,
bool not_in_payload,
std::string* device,
bool* is_dynamic) const override {
auto dev =
GetPartitionDevice(partition_name, slot, current_slot_, not_in_payload);
if (!dev.has_value()) {
return false;
}
if (is_dynamic) {
*is_dynamic = dev->is_dynamic;
}
if (device) {
*device = dev->rw_device_path;
}
return true;
}
bool GetPartitionDevice(const std::string& partition_name,
BootControlInterface::Slot slot,
std::string* device) const override {
return GetPartitionDevice(partition_name, slot, false, device, nullptr);
}
bool IsSlotBootable(BootControlInterface::Slot slot) const override {
return slot < num_slots_ && is_bootable_[slot];
}
bool MarkSlotUnbootable(BootControlInterface::Slot slot) override {
if (slot >= num_slots_)
return false;
is_bootable_[slot] = false;
return true;
}
bool SetActiveBootSlot(Slot slot) override { return true; }
bool MarkBootSuccessfulAsync(base::Callback<void(bool)> callback) override {
// We run the callback directly from here to avoid having to setup a message
// loop in the test environment.
is_marked_successful_[GetCurrentSlot()] = true;
callback.Run(true);
return true;
}
bool IsSlotMarkedSuccessful(Slot slot) const override {
return slot < num_slots_ && is_marked_successful_[slot];
}
// Setters
void SetNumSlots(unsigned int num_slots) {
num_slots_ = num_slots;
is_bootable_.resize(num_slots_, false);
is_marked_successful_.resize(num_slots_, false);
devices_.resize(num_slots_);
}
void SetCurrentSlot(BootControlInterface::Slot slot) { current_slot_ = slot; }
void SetPartitionDevice(const std::string& partition_name,
BootControlInterface::Slot slot,
const std::string& device) {
DCHECK(slot < num_slots_);
devices_[slot][partition_name] = device;
}
void SetSlotBootable(BootControlInterface::Slot slot, bool bootable) {
DCHECK(slot < num_slots_);
is_bootable_[slot] = bootable;
}
DynamicPartitionControlInterface* GetDynamicPartitionControl() override {
return dynamic_partition_control_.get();
}
std::optional<PartitionDevice> GetPartitionDevice(
const std::string& partition_name,
uint32_t slot,
uint32_t current_slot,
bool not_in_payload = false) const override {
if (slot >= devices_.size()) {
return {};
}
auto device_path = devices_[slot].find(partition_name);
if (device_path == devices_[slot].end()) {
return {};
}
PartitionDevice device;
device.is_dynamic = false;
device.rw_device_path = device_path->second;
device.readonly_device_path = device.rw_device_path;
return device;
}
private:
BootControlInterface::Slot num_slots_{2};
BootControlInterface::Slot current_slot_{0};
std::vector<bool> is_bootable_;
std::vector<bool> is_marked_successful_;
std::vector<std::map<std::string, std::string>> devices_;
std::unique_ptr<DynamicPartitionControlInterface> dynamic_partition_control_;
DISALLOW_COPY_AND_ASSIGN(FakeBootControl);
};
} // namespace chromeos_update_engine
#endif // UPDATE_ENGINE_COMMON_FAKE_BOOT_CONTROL_H_
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