107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
#pragma once
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#include <iostream>
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#include <functional>
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#include <string>
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#include <thread>
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#include <chrono>
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#include <mutex>
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#include <list>
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#include "ybase/define.h"
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#include "yutil/time.h"
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namespace ylib
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{
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class timeout {
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public:
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timeout() : running_(false) {}
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~timeout() {
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stop();
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}
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void add(std::function<void(void*, const std::string&)> callback, const std::string& name, uint64_t timeout_msec, void* extra = nullptr) {
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uint64_t endTime = time::now_msec() + timeout_msec;
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TimerTask newTask = { callback, name, endTime, extra };
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{
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std::lock_guard<std::mutex> lock(mutex_);
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tasks_.push_back(newTask);
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}
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}
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void remove(const std::string& name) {
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std::lock_guard<std::mutex> lock(mutex_);
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auto it = tasks_.begin();
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while (it != tasks_.end()) {
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if (it->name == name) {
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it = tasks_.erase(it);
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}
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else {
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++it;
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}
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}
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}
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void start() {
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std::lock_guard<std::mutex> lock(mutex_);
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if (!running_) {
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running_ = true;
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schedulerThread_ = std::thread(&timeout::scheduler, this);
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}
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}
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void stop() {
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{
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std::lock_guard<std::mutex> lock(mutex_);
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running_ = false;
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}
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if (schedulerThread_.joinable()) {
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schedulerThread_.join();
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}
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}
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private:
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struct TimerTask {
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std::function<void(void*, const std::string&)> callback;
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std::string name;
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uint64_t endTime;
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void* extra;
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};
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std::list<TimerTask> tasks_;
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std::mutex mutex_;
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std::thread schedulerThread_;
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bool running_;
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void scheduler() {
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while (running_) {
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std::this_thread::sleep_for(std::chrono::seconds(1));
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uint64_t now = time::now_msec();
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std::list<TimerTask> tasksToExecute;
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{
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std::lock_guard<std::mutex> lock(mutex_);
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auto it = tasks_.begin();
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while (it != tasks_.end()) {
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if (it->endTime <= now) {
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tasksToExecute.push_back(*it);
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it = tasks_.erase(it);
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}
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else {
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++it;
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}
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}
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}
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for (auto& task : tasksToExecute) {
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task.callback(task.extra, task.name);
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}
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}
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}
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};
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}
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