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/*
* Copyright (C) 2017 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 _BOOTANIMATION_BOOT_PARAMETERS_H_
#define _BOOTANIMATION_BOOT_PARAMETERS_H_
#include <list>
#include <string>
#include <vector>
#include <boot_action/boot_action.h> // libandroidthings native API.
#include <boot_parameters.pb.h>
namespace android {
// Provides access to the parameters set by DeviceManager.reboot().
class BootParameters {
public:
// Constructor loads the parameters for this boot and swaps the param files
// to clear the parameters for next boot.
BootParameters();
// Returns whether or not this is a silent boot.
bool isSilentBoot() const { return mIsSilentBoot; }
// Returns the additional boot parameters that were set on reboot.
const std::vector<ABootActionParameter>& getParameters() const { return mParameters; }
// Exposed for testing. Sets the parameters to the serialized proto.
void parseBootParameters(const std::string &contents);
// For devices that OTA from N to O.
// Exposed for testing. Sets the parameters to the raw JSON.
void parseLegacyBootParameters(const std::string &contents);
// Exposed for testing. Loads the contents from |nextBootFile| and replaces
// |lastBootFile| with |nextBootFile|.
static bool swapAndLoadBootConfigContents(const char *lastBootFile, const char *nextBootFile,
std::string *contents);
private:
void loadParameters();
// Replaces the legacy JSON blob with the updated version, allowing the
// framework to read it.
void storeParameters();
void loadStateFromProto();
bool mIsSilentBoot = false;
std::vector<ABootActionParameter> mParameters;
// Store the proto because mParameters makes a shallow copy.
android::things::proto::BootParameters mProto;
};
} // namespace android
#endif // _BOOTANIMATION_BOOT_PARAMETERS_H_
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