| /* |
| * 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_ |