aosp12/system/incremental_delivery/libdataloader/ManagedDataLoader.h

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2.3 KiB
C++

/*
* 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 <dataloader.h>
__BEGIN_DECLS
// This simulates legacy dataloader (compiled with previous version of libincfs_dataloader).
// We still need to be able to support them.
struct LegacyDataLoader {
bool (*onStart)(struct LegacyDataLoader* self);
void (*onStop)(struct LegacyDataLoader* self);
void (*onDestroy)(struct LegacyDataLoader* self);
bool (*onPrepareImage)(struct LegacyDataLoader* self,
const DataLoaderInstallationFile addedFiles[], int addedFilesCount);
void (*onPendingReads)(struct LegacyDataLoader* self, const IncFsReadInfo pendingReads[],
int pendingReadsCount);
void (*onPageReads)(struct LegacyDataLoader* self, const IncFsReadInfo pageReads[],
int pageReadsCount);
};
__END_DECLS
namespace android::dataloader {
// Default DataLoader redirects everything back to Java.
struct ManagedDataLoader : private LegacyDataLoader {
static LegacyDataLoader* create(JavaVM* jvm, android::dataloader::FilesystemConnectorPtr ifs,
android::dataloader::StatusListenerPtr listener,
android::dataloader::ServiceConnectorPtr service,
android::dataloader::ServiceParamsPtr params);
private:
ManagedDataLoader(JavaVM* jvm, jobject dataLoader);
// Lifecycle.
void onDestroy();
// Installation.
bool onPrepareImage(DataLoaderInstallationFiles addedFiles);
JavaVM* const mJvm;
jobject mDataLoader = nullptr;
};
struct ManagedDataLoaderFactory : public ::DataLoaderFactory {
ManagedDataLoaderFactory();
};
} // namespace android::dataloader