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https://github.com/huiwan-code/CProxy.git
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36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
#include "Channel.h"
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#include <sys/epoll.h>
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void Channel::handleEvents() {
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// 将events设置为0，默认不
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events_ = 0;
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if (!revents_) return;
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// 对端close，回复rst，设置channel的quiting为true
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if (revents_ & EPOLLHUP) {
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printf("EPOLLHUP\n");
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peerClosed_ = true;
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}
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// 本端操作一些动作触发了报错，比如对端关闭后，还继续往对端写，write会成功返回，但在wait时会收到这个事件
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if (revents_ & EPOLLERR) {
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printf("EPOLLERR\n");
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errorHandler_();
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}
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// 对端调用close时，本端会收到RDHUP，EPOLLRDHUP想要被触发，需要显式地在epoll_ctl调用时设置在events中，（此时本端可能还有数据可接收？）
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if (revents_ & EPOLLRDHUP) {
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printf("EPOLLRDHUP\n");
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peerClosed_ = true;
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}
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// 数据可读
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if (revents_ & (EPOLLIN | EPOLLPRI)) {
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printf("EPOLLIN\n");
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readHandler_();
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}
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// 当发送缓冲区可写且对端没关闭
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if ((revents_ & EPOLLOUT) && !peerClosed_) {
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printf("EPOLLOUT\n");
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writeHandler_();
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}
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postHandler_();
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} |