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EPollPoller.h
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EPollPoller.h
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#pragma once
#include "Poller.h"
#include "Timestamp.h"
#include <vector>
#include <sys/epoll.h>
class Channel;
/**
* epoll的使用
* epoll_create
* epoll_ctl add/mod/del
* epoll_wait
*/
class EPollPoller : public Poller {
public:
EPollPoller(EventLoop *loop);
~EPollPoller() override;
// 重写基类Poller的抽象方法
Timestamp poll(int timeoutMs, ChannelList *activeChannels) override;
void updateChannel(Channel *channel) override;
void removeChannel(Channel *channel) override;
private:
static const int kInitEventListSize = 16;
// 填写活跃的连接
void fillActiveChannels(int numEvents, ChannelList *activeChannels) const;
// 更新channel通道
void update(int operation, Channel *channel);
using EventList = std::vector<epoll_event>;
int epollfd_;
EventList events_;
};