81121bd0ac
Use proto for disk usage. Bug: 79932027 Test: Ran through the following scenarios- - RebootActivity parses previous boot parameters; sets next as expected. - Push old parameters to device and ensured bootanimations reads it and saves new format (serialized proto) that can be read in userspace (RebootActivity). - Unit tests pass. Change-Id: I98aefb7a832c985d5061ee80ab85a4523f067641
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
/*
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* Copyright (C) 2017 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 _BOOTANIMATION_BOOT_PARAMETERS_H_
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#define _BOOTANIMATION_BOOT_PARAMETERS_H_
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#include <list>
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#include <string>
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#include <vector>
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#include <boot_action/boot_action.h> // libandroidthings native API.
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#include <boot_parameters.pb.h>
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namespace android {
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// Provides access to the parameters set by DeviceManager.reboot().
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class BootParameters {
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public:
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// Constructor loads the parameters for this boot and swaps the param files
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// to clear the parameters for next boot.
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BootParameters();
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// Returns whether or not this is a silent boot.
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bool isSilentBoot() const { return mIsSilentBoot; }
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// Returns the additional boot parameters that were set on reboot.
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const std::vector<ABootActionParameter>& getParameters() const { return mParameters; }
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// Exposed for testing. Sets the parameters to the serialized proto.
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void parseBootParameters(const std::string &contents);
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// For devices that OTA from N to O.
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// Exposed for testing. Sets the parameters to the raw JSON.
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void parseLegacyBootParameters(const std::string &contents);
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// Exposed for testing. Loads the contents from |nextBootFile| and replaces
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// |lastBootFile| with |nextBootFile|.
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static bool swapAndLoadBootConfigContents(const char *lastBootFile, const char *nextBootFile,
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std::string *contents);
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private:
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void loadParameters();
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// Replaces the legacy JSON blob with the updated version, allowing the
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// framework to read it.
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void storeParameters();
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void loadStateFromProto();
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bool mIsSilentBoot = false;
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std::vector<ABootActionParameter> mParameters;
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// Store the proto because mParameters makes a shallow copy.
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android::things::proto::BootParameters mProto;
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};
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} // namespace android
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#endif // _BOOTANIMATION_BOOT_PARAMETERS_H_
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