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/*
* Copyright (C) 2019 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.
*/
#pragma once
#include <map>
#include <memory>
#include <mutex>
#include <sstream>
#include <string>
#include <vector>
#include <android-base/unique_fd.h>
#include <android/gsi/BnGsiService.h>
#include <android/gsi/BnGsid.h>
#include <binder/BinderService.h>
#include <libfiemap/split_fiemap_writer.h>
#include <liblp/builder.h>
#include "libgsi/libgsi.h"
#include "gsi_installer.h"
namespace android {
namespace gsi {
class Gsid : public BinderService<Gsid>, public BnGsid {
public:
static void Register();
static char const* getServiceName() { return kGsiServiceName; }
binder::Status getClient(android::sp<IGsiService>* _aidl_return) override;
private:
friend class GsiService;
friend class ImageService;
std::mutex& lock() { return lock_; }
std::mutex lock_;
};
class GsiService : public BinderService<GsiService>, public BnGsiService {
public:
~GsiService() override;
static android::sp<IGsiService> Get(Gsid* parent);
binder::Status startGsiInstall(int64_t gsiSize, int64_t userdataSize, bool wipeUserdata,
int* _aidl_return) override;
binder::Status beginGsiInstall(const GsiInstallParams& params, int* _aidl_return) override;
binder::Status commitGsiChunkFromStream(const ::android::os::ParcelFileDescriptor& stream,
int64_t bytes, bool* _aidl_return) override;
binder::Status getInstallProgress(::android::gsi::GsiProgress* _aidl_return) override;
binder::Status commitGsiChunkFromMemory(const ::std::vector<uint8_t>& bytes,
bool* _aidl_return) override;
binder::Status cancelGsiInstall(bool* _aidl_return) override;
binder::Status setGsiBootable(bool oneShot, int* _aidl_return) override;
binder::Status isGsiEnabled(bool* _aidl_return) override;
binder::Status removeGsiInstall(bool* _aidl_return) override;
binder::Status disableGsiInstall(bool* _aidl_return) override;
binder::Status isGsiRunning(bool* _aidl_return) override;
binder::Status isGsiInstalled(bool* _aidl_return) override;
binder::Status isGsiInstallInProgress(bool* _aidl_return) override;
binder::Status getUserdataImageSize(int64_t* _aidl_return) override;
binder::Status getGsiBootStatus(int* _aidl_return) override;
binder::Status getInstalledGsiImageDir(std::string* _aidl_return) override;
binder::Status wipeGsiUserdata(int* _aidl_return) override;
binder::Status openImageService(const std::string& prefix,
android::sp<IImageService>* _aidl_return) override;
// This is in GsiService, rather than GsiInstaller, since we need to access
// it outside of the main lock which protects the unique_ptr.
void StartAsyncOperation(const std::string& step, int64_t total_bytes);
void UpdateProgress(int status, int64_t bytes_processed);
// Helper methods for GsiInstaller.
static bool RemoveGsiFiles(const std::string& install_dir, bool wipeUserdata);
bool should_abort() const { return should_abort_; }
Gsid* parent() const { return parent_.get(); }
static void RunStartupTasks();
static std::string GetInstalledImageDir();
private:
GsiService(Gsid* parent);
int ValidateInstallParams(GsiInstallParams* params);
bool DisableGsiInstall();
int ReenableGsi(bool one_shot);
enum class AccessLevel { System, SystemOrShell };
binder::Status CheckUid(AccessLevel level = AccessLevel::System);
static android::wp<GsiService> sInstance;
android::sp<Gsid> parent_;
std::unique_ptr<GsiInstaller> installer_;
// These are initialized or set in StartInstall().
std::atomic<bool> should_abort_ = false;
// Progress bar state.
std::mutex progress_lock_;
GsiProgress progress_;
};
} // namespace gsi
} // namespace android
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