/* * 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 class EventLoop; class NeighborExplorer; class NeighborListener; struct NeighborInfo; /** * A class that initializes and opens all configured neighbor plugins. */ class NeighborGlue { struct Explorer { NeighborExplorer *const explorer; Explorer(NeighborExplorer *_explorer):explorer(_explorer) {} Explorer(const Explorer &) = delete; ~Explorer(); }; Mutex mutex; std::forward_list explorers; public: typedef std::forward_list List; NeighborGlue() = default; NeighborGlue(const NeighborGlue &) = delete; ~NeighborGlue(); bool IsEmpty() const { return explorers.empty(); } /** * Throws std::runtime_error on error. */ void Init(EventLoop &loop, NeighborListener &listener); void Open(); void Close(); /** * Get the combined list of all neighbors from all active * plugins. */ gcc_pure List GetList() const; }; #endif