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// Copyright (C) 2020 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 IORAP_SRC_PACKAGE_MANAGER_REMOTE_H_
#define IORAP_SRC_PACKAGE_MANAGER_REMOTE_H_
#include "binder/package_change_observer.h"
#include <android/content/pm/IPackageManagerNative.h>
#include <binder/IServiceManager.h>
#include <optional>
#include <unordered_map>
namespace iorap::binder {
using IPackageManager = android::content::pm::IPackageManagerNative;
// A map between package name and its version.
using VersionMap = std::unordered_map<std::string, int64_t>;
class PackageManagerRemote;
class PackageManagerDeathRecipient : public android::IBinder::DeathRecipient {
public:
PackageManagerDeathRecipient(std::shared_ptr<PackageManagerRemote> package_manager,
android::sp<PackageChangeObserver> observer) :
package_manager_(package_manager), observer_(observer) {}
// android::IBinder::DeathRecipient override:
void binderDied(const android::wp<android::IBinder>& /* who */) override;
private:
std::shared_ptr<PackageManagerRemote> package_manager_;
android::sp<PackageChangeObserver> observer_;
};
class PackageManagerRemote {
public:
static std::shared_ptr<PackageManagerRemote> Create();
// Gets the package version based on the package name.
std::optional<int64_t> GetPackageVersion(const std::string& package_name);
// Gets a map of package name and its version.
std::optional<VersionMap> GetPackageVersionMap();
void RegisterPackageChangeObserver(android::sp<PackageChangeObserver> observer);
void UnregisterPackageChangeObserver(android::sp<PackageChangeObserver> observer);
void RegisterPackageManagerDeathRecipient(
android::sp<PackageManagerDeathRecipient> death_recipient);
private:
template <typename T>
android::binder::Status InvokeRemote(T&& lambda);
// Reconnects to the package manager service.
// Retry until timeout.
bool ReconnectWithTimeout(int64_t timeout_ms);
// Gets the package manager service.
static android::sp<IPackageManager> GetPackageService();
// Gets all package names.
std::optional<std::vector<std::string>> GetAllPackages();
android::sp<IPackageManager> package_service_;
};
} // namespace iorap::package_manager
#endif // IORAP_SRC_PACKAGE_MANAGER_REMOTE_H_
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