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122 lines
5.2 KiB
122 lines
5.2 KiB
4 months ago
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/*
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* Copyright (C) 2019 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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#pragma once
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#include <map>
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#include <memory>
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#include <mutex>
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#include <sstream>
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#include <string>
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#include <vector>
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#include <android-base/unique_fd.h>
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#include <android/gsi/BnGsiService.h>
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#include <binder/BinderService.h>
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#include <libfiemap/split_fiemap_writer.h>
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#include <liblp/builder.h>
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#include "libgsi/libgsi.h"
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#include "partition_installer.h"
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namespace android {
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namespace gsi {
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class GsiService : public BinderService<GsiService>, public BnGsiService {
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public:
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static void Register();
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binder::Status openInstall(const std::string& install_dir, int* _aidl_return) override;
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binder::Status closeInstall(int32_t* _aidl_return) override;
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binder::Status createPartition(const ::std::string& name, int64_t size, bool readOnly,
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int32_t* _aidl_return) override;
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binder::Status closePartition(int32_t* _aidl_return) override;
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binder::Status commitGsiChunkFromStream(const ::android::os::ParcelFileDescriptor& stream,
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int64_t bytes, bool* _aidl_return) override;
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binder::Status getInstallProgress(::android::gsi::GsiProgress* _aidl_return) override;
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binder::Status setGsiAshmem(const ::android::os::ParcelFileDescriptor& ashmem, int64_t size,
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bool* _aidl_return) override;
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binder::Status commitGsiChunkFromAshmem(int64_t bytes, bool* _aidl_return) override;
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binder::Status cancelGsiInstall(bool* _aidl_return) override;
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binder::Status enableGsi(bool oneShot, const std::string& dsuSlot, int* _aidl_return) override;
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binder::Status enableGsiAsync(bool oneShot, const ::std::string& dsuSlot,
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const sp<IGsiServiceCallback>& resultCallback) override;
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binder::Status isGsiEnabled(bool* _aidl_return) override;
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binder::Status removeGsi(bool* _aidl_return) override;
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binder::Status removeGsiAsync(const sp<IGsiServiceCallback>& resultCallback) override;
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binder::Status disableGsi(bool* _aidl_return) override;
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binder::Status isGsiInstalled(bool* _aidl_return) override;
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binder::Status isGsiRunning(bool* _aidl_return) override;
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binder::Status isGsiInstallInProgress(bool* _aidl_return) override;
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binder::Status getInstalledGsiImageDir(std::string* _aidl_return) override;
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binder::Status getActiveDsuSlot(std::string* _aidl_return) override;
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binder::Status getInstalledDsuSlots(std::vector<std::string>* _aidl_return) override;
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binder::Status zeroPartition(const std::string& name, int* _aidl_return) override;
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binder::Status openImageService(const std::string& prefix,
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android::sp<IImageService>* _aidl_return) override;
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binder::Status dumpDeviceMapperDevices(std::string* _aidl_return) override;
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binder::Status getAvbPublicKey(AvbPublicKey* dst, int32_t* _aidl_return) override;
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binder::Status suggestScratchSize(int64_t* _aidl_return) override;
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// This is in GsiService, rather than GsiInstaller, since we need to access
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// it outside of the main lock which protects the unique_ptr.
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void StartAsyncOperation(const std::string& step, int64_t total_bytes);
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void UpdateProgress(int status, int64_t bytes_processed);
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// Helper methods for GsiInstaller.
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static bool RemoveGsiFiles(const std::string& install_dir);
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bool should_abort() const { return should_abort_; }
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static void RunStartupTasks();
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static std::string GetInstalledImageDir();
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std::string GetActiveDsuSlot();
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std::string GetActiveInstalledImageDir();
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static std::vector<std::string> GetInstalledDsuSlots();
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private:
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friend class ImageService;
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GsiService();
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static int ValidateInstallParams(std::string& install_dir);
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bool DisableGsiInstall();
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int ReenableGsi(bool one_shot);
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static void CleanCorruptedInstallation();
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static int SaveInstallation(const std::string&);
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static bool IsInstallationComplete(const std::string&);
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static std::string GetCompleteIndication(const std::string&);
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enum class AccessLevel { System, SystemOrShell };
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binder::Status CheckUid(AccessLevel level = AccessLevel::System);
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bool CreateInstallStatusFile();
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bool SetBootMode(bool one_shot);
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static android::wp<GsiService> sInstance;
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std::string install_dir_ = {};
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std::unique_ptr<PartitionInstaller> installer_;
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std::mutex lock_;
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std::mutex& lock() { return lock_; }
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// These are initialized or set in StartInstall().
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std::atomic<bool> should_abort_ = false;
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// Progress bar state.
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std::mutex progress_lock_;
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GsiProgress progress_;
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};
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} // namespace gsi
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} // namespace android
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