SNode.C
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EventMultiplexer.h
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1/*
2 * SNode.C - A Slim Toolkit for Network Communication
3 * Copyright (C) Volker Christian <me@vchrist.at>
4 * 2020, 2021, 2022, 2023, 2024, 2025
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License as published
8 * by the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20/*
21 * MIT License
22 *
23 * Permission is hereby granted, free of charge, to any person obtaining a copy
24 * of this software and associated documentation files (the "Software"), to deal
25 * in the Software without restriction, including without limitation the rights
26 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
27 * copies of the Software, and to permit persons to whom the Software is
28 * furnished to do so, subject to the following conditions:
29 *
30 * The above copyright notice and this permission notice shall be included in
31 * all copies or substantial portions of the Software.
32 *
33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
34 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
35 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
36 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
37 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
38 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
39 * THE SOFTWARE.
40 */
41
42#ifndef CORE_EPOLL_EVENTMULTIPLEXER_H
43#define CORE_EPOLL_EVENTMULTIPLEXER_H
44
45#include "core/EventMultiplexer.h"
46
47#ifndef DOXYGEN_SHOULD_SKIP_THIS
48
49#include "core/system/epoll.h"
50
51#endif /* DOXYGEN_SHOULD_SKIP_THIS */
52
53namespace core::multiplexer::epoll {
54
55 class EventMultiplexer : public core::EventMultiplexer {
56 public:
58 ~EventMultiplexer() override = default;
59
60 private:
61 int monitorDescriptors(utils::Timeval& tickTimeout, const sigset_t& sigMask) override;
62 void spanActiveEvents(int activeDescriptorCount) override;
63
64 int epfd;
65
66 int epfds[3];
67 epoll_event ePollEvents[3]{};
68 };
69
70} // namespace core::multiplexer::epoll
71
72#endif // CORE_EPOLL_EVENTMULTIPLEXER_H
virtual void spanActiveEvents()=0
std::array< DescriptorEventPublisher *, 3 > descriptorEventPublishers
EventMultiplexer(DescriptorEventPublisher *readDescriptorEventPublisher, DescriptorEventPublisher *writeDescriptorEventPublisher, DescriptorEventPublisher *exceptionDescriptorEventPublisher)
DescriptorEventPublisher(const std::string &name, int &epfd, uint32_t events, uint32_t revents)
void spanActiveEvents(int activeDescriptorCount) override
int monitorDescriptors(utils::Timeval &tickTimeout, const sigset_t &sigMask) override
int getMs() const
Definition Timeval.cpp:177
int epoll_pwait(int epfd, struct epoll_event *events, int maxevents, int timeout, const sigset_t *sigMask)
Definition epoll.cpp:62
int epoll_create1(int flags)
Definition epoll.cpp:52
int epoll_ctl(int epfd, int op, int fd, epoll_event *event)
Definition epoll.cpp:67