| // 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 |