81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
/*
|
|
* Copyright 2003-2017 The Music Player Daemon Project
|
|
* http://www.musicpd.org
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef MPD_NEIGHBOR_ALL_HXX
|
|
#define MPD_NEIGHBOR_ALL_HXX
|
|
|
|
#include "check.h"
|
|
#include "Compiler.h"
|
|
#include "thread/Mutex.hxx"
|
|
|
|
#include <forward_list>
|
|
#include <memory>
|
|
|
|
class EventLoop;
|
|
class NeighborExplorer;
|
|
class NeighborListener;
|
|
struct NeighborInfo;
|
|
|
|
/**
|
|
* A class that initializes and opens all configured neighbor plugins.
|
|
*/
|
|
class NeighborGlue {
|
|
struct Explorer {
|
|
std::unique_ptr<NeighborExplorer> explorer;
|
|
|
|
template<typename E>
|
|
Explorer(E &&_explorer) noexcept
|
|
:explorer(std::forward<E>(_explorer)) {}
|
|
|
|
Explorer(const Explorer &) = delete;
|
|
};
|
|
|
|
Mutex mutex;
|
|
|
|
std::forward_list<Explorer> explorers;
|
|
|
|
public:
|
|
typedef std::forward_list<NeighborInfo> List;
|
|
|
|
NeighborGlue() noexcept;
|
|
NeighborGlue(const NeighborGlue &) = delete;
|
|
~NeighborGlue() noexcept;
|
|
|
|
bool IsEmpty() const noexcept {
|
|
return explorers.empty();
|
|
}
|
|
|
|
/**
|
|
* Throws std::runtime_error on error.
|
|
*/
|
|
void Init(EventLoop &loop, NeighborListener &listener);
|
|
|
|
void Open();
|
|
void Close() noexcept;
|
|
|
|
/**
|
|
* Get the combined list of all neighbors from all active
|
|
* plugins.
|
|
*/
|
|
gcc_pure
|
|
List GetList() const noexcept;
|
|
};
|
|
|
|
#endif
|