EventLoopThreadPool.h

#pragma once

#include "noncopyable.h"

#include <functional>
#include <string>
#include <vector>
#include <memory>

class EventLoop;

class EventLoopThread;

class EventLoopThreadPool : noncopyable {
public:
    using ThreadInitCallback = std::function<void(EventLoop *)>;

    EventLoopThreadPool(EventLoop *baseLoop, std::string nameArg);

    ~EventLoopThreadPool() = default;

    void setThreadNum(int numThreads) { numThreads_ = numThreads; }

    void start(const ThreadInitCallback &cb = ThreadInitCallback());

    EventLoop *getNextLoop();

    std::vector<EventLoop *> getAllLoops();

    bool started() const { return started_; }

    std::string name() const { return name_; }

private:

    EventLoop *baseLoop_;
    std::string name_;
    bool started_;
    int numThreads_;
    int next_;
    std::vector<std::unique_ptr<EventLoopThread>> threads_;
    std::vector<EventLoop *> loops_;
};