mpd/src/event/PipeEvent.hxx

78 lines
1.5 KiB
C++

// SPDX-License-Identifier: BSD-2-Clause
// Copyright CM4all GmbH
// author: Max Kellermann <mk@cm4all.com>
#pragma once
#include "SocketEvent.hxx"
#include "io/FileDescriptor.hxx"
/**
* A variant of #SocketEvent for pipes (and other kinds of
* #FileDescriptor which can be used with epoll).
*/
class PipeEvent final
: public EventPollBackendEvents
{
SocketEvent event;
public:
template<typename C>
PipeEvent(EventLoop &event_loop, C callback,
FileDescriptor fd=FileDescriptor::Undefined()) noexcept
:event(event_loop, callback,
SocketDescriptor::FromFileDescriptor(fd)) {}
EventLoop &GetEventLoop() const noexcept {
return event.GetEventLoop();
}
bool IsDefined() const noexcept {
return event.IsDefined();
}
FileDescriptor GetFileDescriptor() const noexcept {
return event.GetSocket().ToFileDescriptor();
}
FileDescriptor ReleaseFileDescriptor() noexcept {
return event.ReleaseSocket().ToFileDescriptor();
}
void Open(FileDescriptor fd) noexcept {
event.Open(SocketDescriptor::FromFileDescriptor(fd));
}
void Close() noexcept {
event.Close();
}
bool Schedule(unsigned flags) noexcept {
return event.Schedule(flags);
}
void Cancel() noexcept {
event.Cancel();
}
bool ScheduleRead() noexcept {
return event.ScheduleRead();
}
bool ScheduleWrite() noexcept {
return event.ScheduleWrite();
}
void CancelRead() noexcept {
event.CancelRead();
}
void CancelWrite() noexcept {
event.CancelWrite();
}
void ScheduleImplicit() noexcept {
event.ScheduleImplicit();
}
};