mirror of
https://github.com/openharmony/useriam_user_auth.git
synced 2026-07-21 01:25:22 -04:00
Tianshi Liu
eff742f945
Change-Id: Ieffd57c3e485abeabc0232618336f99d3e167805 Signed-off-by: Tianshi Liu <tianshi.liu@huawei.com>
96 lines
3.4 KiB
C++
96 lines
3.4 KiB
C++
/*
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* Copyright (c) 2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef IAM_UTILS_THREAD_GROUPS_H
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#define IAM_UTILS_THREAD_GROUPS_H
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#include <functional>
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#include <map>
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#include <memory>
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#include <mutex>
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#include <string>
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#include "nocopyable.h"
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#include "singleton.h"
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#include "thread_pool.h"
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namespace OHOS {
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namespace UserIAM {
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namespace Common {
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using namespace OHOS;
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constexpr uint32_t GROUP_MAX_THREAD_NUM = 4;
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constexpr uint32_t THREAD_MAX_TASK_NUM = 128;
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class ThreadGroups final : public Singleton<ThreadGroups> {
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using Task = ThreadPool::Task;
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using ThreadPoolPtr = std::unique_ptr<ThreadPool>;
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public:
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bool CreateThreadGroup(const std::string &name, uint32_t threadNum = GROUP_MAX_THREAD_NUM);
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bool DestroyThreadGroup(const std::string &name);
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bool RetainTaskThread(const std::string &name, uint64_t transaction, uint32_t maxTaskNum = THREAD_MAX_TASK_NUM);
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bool ReleaseTaskThread(const std::string &name, uint64_t transaction);
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bool PostTask(const std::string &name, uint64_t transaction, const Task &task);
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template <typename T, typename... Args, typename = std::enable_if_t<std::is_function_v<T> && !std::is_class_v<T>>>
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bool PostTask(const std::string &name, uint64_t transaction, const T &task, Args &&... args)
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{
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static_assert(std::is_invocable<typename std::decay<T>::type, typename std::decay<Args>::type...>::value,
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"arguments cannot invocable");
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auto invoker = [task, tuple = std::make_tuple(std::forward<Args>(args)...)]() mutable {
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std::apply([task](auto &&... args) { std::invoke(task, std::forward<Args>(args)...); }, tuple);
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};
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return PostTask(name, transaction, invoker);
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}
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static uint64_t GetCurrTransaction()
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{
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return ThreadGroup::transactionCurr_;
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}
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private:
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class ThreadGroup;
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std::mutex mutex_;
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std::map<std::string, ThreadGroup> pools_;
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std::deque<ThreadPoolPtr> frees_;
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class ThreadGroup final {
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DISALLOW_COPY_AND_MOVE(ThreadGroup);
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friend ThreadGroups;
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public:
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ThreadGroup(std::deque<ThreadPoolPtr> &frees, const std::string &name, uint32_t threadNum);
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~ThreadGroup();
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bool RetainTaskThread(uint64_t transaction, uint32_t maxTaskNum = THREAD_MAX_TASK_NUM);
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bool ReleaseTaskThread(uint64_t transaction);
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bool ReleaseAllTaskThread();
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bool PostTask(uint64_t transaction, const Task &task);
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private:
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static void EnsureTransaction(const ThreadPoolPtr &poolPtr, uint64_t transaction, const std::string &name);
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static thread_local uint64_t transactionCurr_;
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std::deque<ThreadPoolPtr> &frees_;
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std::string name_;
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uint32_t threadNum_;
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std::mutex mutex_;
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std::map<uint64_t, ThreadPoolPtr> retains_;
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};
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};
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} // namespace Common
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} // namespace UserIAM
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} // namespace OHOS
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#endif // IAM_UTILS_THREAD_GROUPS_H
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