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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.
#include "package_version_map.h"
#include <android-base/logging.h>
#include <android-base/properties.h>
namespace iorap::binder {
std::shared_ptr<PackageVersionMap> PackageVersionMap::Create() {
std::shared_ptr<PackageManagerRemote> package_manager =
PackageManagerRemote::Create();
if (!package_manager) {
return std::make_shared<PackageVersionMap>();
}
std::optional<VersionMap> map = package_manager->GetPackageVersionMap();
return std::make_shared<PackageVersionMap>(package_manager, map);
}
void PackageVersionMap::UpdateAll() {std::lock_guard<std::mutex> lock(mutex_);
size_t old_size = version_map_->size();
std::optional<VersionMap> new_version_map =
package_manager_->GetPackageVersionMap();
if (!new_version_map) {
LOG(DEBUG) << "Failed to get the latest version map";
return;
}
version_map_ = std::move(new_version_map);
LOG(DEBUG) << "Update for version is done. The size is from " << old_size
<< " to " << version_map_->size();
}
bool PackageVersionMap::Update(std::string package_name, int64_t version) {
std::lock_guard<std::mutex> lock(mutex_);
if (!version_map_) {
LOG(DEBUG) << "The version map doesn't exist. "
<< "The package manager may be down.";
return false;
}
VersionMap::iterator it = version_map_->find(package_name);
if (it == version_map_->end()) {
LOG(DEBUG) << "New installed package "
<< package_name
<< " with version "
<< version;
(*version_map_)[package_name] = version;
return true;
}
if (it->second != version) {
LOG(DEBUG) << "New version package "
<< package_name
<< " with version "
<< version;
(*version_map_)[package_name] = version;
return true;
}
LOG(DEBUG) << "Same version package "
<< package_name
<< " with version "
<< version;
return false;
}
size_t PackageVersionMap::Size() {
if (!version_map_) {
LOG(DEBUG) << "The version map doesn't exist. "
<< "The package manager may be down.";
return -1;
}
return version_map_->size();
}
std::optional<int64_t> PackageVersionMap::GetOrQueryPackageVersion(
const std::string& package_name) {
std::lock_guard<std::mutex> lock(mutex_);
if (!version_map_) {
LOG(DEBUG) << "The version map doesn't exist. "
<< "The package manager may be down.";
return std::nullopt;
}
VersionMap::iterator it = version_map_->find(package_name);
if (it == version_map_->end()) {
LOG(DEBUG) << "Cannot find version for: " << package_name
<< " in the hash table";
std::optional<int64_t> version =
package_manager_->GetPackageVersion(package_name);
if (version) {
LOG(VERBOSE) << "Find version for: " << package_name << " on the fly.";
(*version_map_)[package_name] = *version;
return *version;
} else {
LOG(ERROR) << "Cannot find version for: " << package_name
<< " on the fly.";
return -1;
}
}
return it->second;
}
} // namespace iorap::binder
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