mirror of
https://github.com/moparisthebest/spdylay
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b0fcd68783
To distinguish the to-be-installed programs and non-installable example source code, the former programs, spdycat, spdydyd and shrpx, were moved to src directory. spdynative was removed from Makefile because it does not appeal to any users much.
117 lines
2.7 KiB
C++
117 lines
2.7 KiB
C++
/*
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* Spdylay - SPDY Library
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*
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* Copyright (c) 2012 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "EventPoll_epoll.h"
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#include <unistd.h>
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#include <cassert>
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namespace spdylay {
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EventPoll::EventPoll(size_t max_events)
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: max_events_(max_events), num_events_(0)
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{
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epfd_ = epoll_create(1);
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assert(epfd_ != -1);
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evlist_ = new epoll_event[max_events_];
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}
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EventPoll::~EventPoll()
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{
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if(epfd_ != -1) {
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close(epfd_);
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}
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delete [] evlist_;
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}
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int EventPoll::poll(int timeout)
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{
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num_events_ = 0;
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int n = epoll_wait(epfd_, evlist_, max_events_, timeout);
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if(n > 0) {
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num_events_ = n;
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}
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return n;
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}
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int EventPoll::get_num_events()
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{
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return num_events_;
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}
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void* EventPoll::get_user_data(size_t p)
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{
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return evlist_[p].data.ptr;
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}
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int EventPoll::get_events(size_t p)
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{
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int events = 0;
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int revents = evlist_[p].events;
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if(revents & EPOLLIN) {
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events |= EP_POLLIN;
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}
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if(revents & EPOLLOUT) {
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events |= EP_POLLOUT;
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}
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if(revents & EPOLLHUP) {
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events |= EP_POLLHUP;
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}
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if(revents & EPOLLERR) {
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events |= EP_POLLERR;
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}
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return events;
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}
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namespace {
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int update_event(int epfd, int op, int fd, int events, void *user_data)
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{
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epoll_event ev;
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ev.events = 0;
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if(events & EP_POLLIN) {
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ev.events |= EPOLLIN;
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}
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if(events & EP_POLLOUT) {
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ev.events |= EPOLLOUT;
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}
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ev.data.ptr = user_data;
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return epoll_ctl(epfd, op, fd, &ev);
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}
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} // namespace
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int EventPoll::ctl_event(int op, int fd, int events, void *user_data)
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{
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if(op == EP_ADD) {
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op = EPOLL_CTL_ADD;
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} else if(op == EP_MOD) {
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op = EPOLL_CTL_MOD;
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} else {
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return -1;
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}
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return update_event(epfd_, op, fd, events, user_data);
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}
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} // namespace spdylay
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