Max Kellermann
104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
/*
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* Copyright 2007-2021 CM4all GmbH
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* All rights reserved.
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*
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* author: Max Kellermann <mk@cm4all.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "SocketEvent.hxx"
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#include "io/FileDescriptor.hxx"
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/**
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* A variant of #SocketEvent for pipes (and other kinds of
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* #FileDescriptor which can be used with epoll).
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*/
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class PipeEvent final {
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SocketEvent event;
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public:
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template<typename C>
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PipeEvent(EventLoop &event_loop, C callback,
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FileDescriptor fd=FileDescriptor::Undefined()) noexcept
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:event(event_loop, callback,
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SocketDescriptor::FromFileDescriptor(fd)) {}
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EventLoop &GetEventLoop() const noexcept {
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return event.GetEventLoop();
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}
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bool IsDefined() const noexcept {
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return event.IsDefined();
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}
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FileDescriptor GetFileDescriptor() const noexcept {
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return event.GetSocket().ToFileDescriptor();
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}
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FileDescriptor ReleaseFileDescriptor() noexcept {
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return event.ReleaseSocket().ToFileDescriptor();
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}
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void Open(FileDescriptor fd) noexcept {
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event.Open(SocketDescriptor::FromFileDescriptor(fd));
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}
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void Close() noexcept {
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event.Close();
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}
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bool Schedule(unsigned flags) noexcept {
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return event.Schedule(flags);
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}
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void Cancel() noexcept {
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event.Cancel();
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}
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bool ScheduleRead() noexcept {
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return event.ScheduleRead();
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}
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bool ScheduleWrite() noexcept {
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return event.ScheduleWrite();
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}
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void CancelRead() noexcept {
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event.CancelRead();
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}
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void CancelWrite() noexcept {
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event.CancelWrite();
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}
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void ScheduleImplicit() noexcept {
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event.ScheduleImplicit();
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}
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};
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