mirror of
https://github.com/Relintai/rcpp_framework.git
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99 lines
1.9 KiB
C++
99 lines
1.9 KiB
C++
/**
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*
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* Channel.cc
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* An Tao
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*
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* Public header file in trantor lib.
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*
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* Copyright 2018, An Tao. All rights reserved.
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* Use of this source code is governed by a BSD-style license
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* that can be found in the License file.
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*
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*
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*/
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#include "channel.h"
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#include "event_loop.h"
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#ifdef _WIN32
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#include "Wepoll.h"
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#define POLLIN EPOLLIN
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#define POLLPRI EPOLLPRI
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#define POLLOUT EPOLLOUT
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#define POLLHUP EPOLLHUP
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#define POLLNVAL 0
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#define POLLERR EPOLLERR
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#else
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#include <poll.h>
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#endif
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#include <iostream>
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namespace trantor {
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const int Channel::kNoneEvent = 0;
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const int Channel::kReadEvent = POLLIN | POLLPRI;
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const int Channel::kWriteEvent = POLLOUT;
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Channel::Channel(EventLoop *loop, int fd) :
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loop_(loop), fd_(fd), events_(0), revents_(0), index_(-1), tied_(false) {
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}
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void Channel::remove() {
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assert(events_ == kNoneEvent);
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addedToLoop_ = false;
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loop_->removeChannel(this);
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}
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void Channel::update() {
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loop_->updateChannel(this);
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}
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void Channel::handleEvent() {
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// LOG_TRACE<<"revents_="<<revents_;
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if (tied_) {
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std::shared_ptr<void> guard = tie_.lock();
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if (guard) {
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handleEventSafely();
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}
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} else {
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handleEventSafely();
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}
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}
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void Channel::handleEventSafely() {
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if (eventCallback_) {
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eventCallback_();
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return;
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}
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if ((revents_ & POLLHUP) && !(revents_ & POLLIN)) {
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// LOG_TRACE<<"handle close";
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if (closeCallback_)
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closeCallback_();
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}
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if (revents_ & (POLLNVAL | POLLERR)) {
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// LOG_TRACE<<"handle error";
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if (errorCallback_)
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errorCallback_();
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}
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#ifdef __linux__
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if (revents_ & (POLLIN | POLLPRI | POLLRDHUP))
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#else
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if (revents_ & (POLLIN | POLLPRI))
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#endif
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{
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// LOG_TRACE<<"handle read";
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if (readCallback_)
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readCallback_();
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}
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#ifdef _WIN32
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if ((revents_ & POLLOUT) && !(revents_ & POLLHUP))
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#else
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if (revents_ & POLLOUT)
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#endif
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{
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// LOG_TRACE<<"handle write";
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if (writeCallback_)
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writeCallback_();
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}
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}
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} // namespace trantor
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