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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.
*/
#ifndef ANDROID_INSTALLD_CRATE_INFO_MANAGER_H
#define ANDROID_INSTALLD_CRATE_INFO_MANAGER_H
#ifdef ENABLE_STORAGE_CRATES
#include <android/os/storage/CrateMetadata.h>
#include <cutils/multiuser.h>
#include <fts.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <optional>
#include <string>
#include <vector>
#ifndef CRATE_DEBUG
#define CRATE_DEBUG 1
#endif
namespace android {
namespace installd {
using android::os::storage::CrateMetadata;
/**
* The crated folder actually is a folder that is the first level child director. In order to
* distingish between the crated folder and the other FTSENT*, to define the type "CratedFolder"
* make the code easy to identify the difference.
*/
typedef FTSENT* CratedFolder;
/**
* In order to give the users more fine-grained files controlling, the crate information can help
* applications' developers to show the more detail information to the users. The crate information
* include the Label, Expiration etc..
*/
class CrateManager {
public:
CrateManager(const char* uuid, userid_t userId, const std::string& packageName);
~CrateManager();
void traverseAllCrates(std::function<void(CratedFolder, CrateMetadata&&)>& onCreateCrate);
static void traverseChildDir(const std::string& targetDir,
std::function<void(FTSENT*)>& onVisitChildDir);
static void traverseAllPackagesForUser(
const std::optional<std::string>& uuid,
userid_t userId,
std::function<void(FTSENT*)>& onHandlingPackage);
#if CRATE_DEBUG
static void dump(const CrateMetadata& CrateMetadata);
#endif
private:
std::string mRoot;
std::string mCratedFoldersRoot;
std::string mPackageName;
void createCrate(
CratedFolder cratedFolder,
std::function<void(CratedFolder, CrateMetadata&&)>& onCreateCrate);
};
} // namespace installd
} // namespace android
#else // ENABLE_STORAGE_CRATES
#include <android/os/storage/CrateMetadata.h>
using android::os::storage::CrateMetadata;
#endif // ENABLE_STORAGE_CRATES
#endif // ANDROID_INSTALLD_CRATE_INFO_MANAGER_H
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