1 /*
2  * Copyright 2003-2021 The Music Player Daemon Project
3  * http://www.musicpd.org
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 #pragma once
21 
22 #include "PipeEvent.hxx"
23 #include "IdleEvent.hxx"
24 #include "io/uring/Queue.hxx"
25 
26 namespace Uring {
27 
28 class Manager final : public Queue {
29 	PipeEvent event;
30 	IdleEvent idle_event;
31 
32 public:
Manager(EventLoop & event_loop)33 	explicit Manager(EventLoop &event_loop)
34 		:Queue(1024, 0),
35 		 event(event_loop, BIND_THIS_METHOD(OnSocketReady),
36 		       GetFileDescriptor()),
37 		 idle_event(event_loop, BIND_THIS_METHOD(OnIdle))
38 	{
39 		event.ScheduleRead();
40 	}
41 
Push(struct io_uring_sqe & sqe,Operation & operation)42 	void Push(struct io_uring_sqe &sqe,
43 		  Operation &operation) noexcept override {
44 		AddPending(sqe, operation);
45 		idle_event.Schedule();
46 	}
47 
48 private:
49 	void OnSocketReady(unsigned flags) noexcept;
50 	void OnIdle() noexcept;
51 };
52 
53 } // namespace Uring
54