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Copy pathChannel.cpp
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79 lines (63 loc) · 1.48 KB
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//
// Created by cleon on 22-9-10.
//
#include <sys/epoll.h>
#include "Channel.h"
#include "EventLoop.h"
#include "Logger.h"
const int Channel::kNoneEvent = 0;
const int Channel::kReadEvent = EPOLLIN | EPOLLPRI;
const int Channel::kWriteEvent = EPOLLOUT;
Channel::Channel(EventLoop* loop, int fd)
: loop_(loop)
, fd_(fd)
, events_(0)
, revents_(0)
, index_(-1)
, tied_(false) {
}
Channel::~Channel() {
}
void Channel::tie(const std::shared_ptr<void>& obj) {
tie_ = obj;
tied_ = true;
}
void Channel::update() {
loop_->updateChannel(this);
}
void Channel::remove() {
loop_->removeChannel(this);
}
void Channel::handleEvent(Timestamp receiveTime) {
if (tied_) {
std::shared_ptr<void> guard = tie_.lock();
if (guard) {
handleEventWithGuard(receiveTime);
}
} else {
handleEventWithGuard(receiveTime);
}
}
void Channel::handleEventWithGuard(Timestamp receiveTime) {
LOG_INFO("Channel handleEvent revents: %d\n", revents_);
if ((revents_ & EPOLLHUP) && !(revents_ & EPOLLIN)) {
if (closeCallback_) {
closeCallback_();
}
}
if (revents_ & EPOLLERR) {
if (errorCallback_) {
errorCallback_();
}
}
if (revents_ & (EPOLLIN | EPOLLPRI)) {
if (readCallback_) {
readCallback_(receiveTime);
}
}
if (revents_ & EPOLLOUT) {
if (writeCallback_) {
writeCallback_();
}
}
}