2013-04-17 22:58:33 +02:00
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/*
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2016-02-26 17:54:05 +01:00
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* Copyright 2003-2016 The Music Player Daemon Project
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2013-04-17 22:58:33 +02:00
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_INSTANCE_HXX
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#define MPD_INSTANCE_HXX
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#include "check.h"
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2016-03-05 20:17:47 +01:00
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#include "event/Loop.hxx"
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2016-03-10 20:31:08 +01:00
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#include "event/MaskMonitor.hxx"
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2014-01-11 01:01:54 +01:00
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#include "Compiler.h"
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2013-04-17 22:58:33 +02:00
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2014-01-18 16:36:42 +01:00
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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#include "neighbor/Listener.hxx"
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class NeighborGlue;
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#endif
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2014-01-30 20:29:48 +01:00
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#ifdef ENABLE_DATABASE
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#include "db/DatabaseListener.hxx"
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2014-02-01 00:26:34 +01:00
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class Database;
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2014-02-06 07:19:12 +01:00
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class Storage;
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2014-01-29 20:16:43 +01:00
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class UpdateService;
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2014-01-30 20:29:48 +01:00
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#endif
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2013-04-17 22:58:33 +02:00
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class ClientList;
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struct Partition;
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2016-03-05 21:00:38 +01:00
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class StateFile;
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2013-04-17 22:58:33 +02:00
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2016-03-10 20:32:35 +01:00
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/**
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* A utility class which, when used as the first base class, ensures
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* that the #EventLoop gets initialized before the other base classes.
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*/
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struct EventLoopHolder {
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EventLoop event_loop;
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};
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2014-01-18 16:36:42 +01:00
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struct Instance final
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2016-03-10 20:31:08 +01:00
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: EventLoopHolder
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2014-01-30 20:29:48 +01:00
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#if defined(ENABLE_DATABASE) || defined(ENABLE_NEIGHBOR_PLUGINS)
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2016-03-10 20:32:35 +01:00
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,
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2014-01-30 20:29:48 +01:00
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#endif
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#ifdef ENABLE_DATABASE
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public DatabaseListener
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2014-01-18 16:36:42 +01:00
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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2014-01-30 20:29:48 +01:00
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,
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#endif
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#endif
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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public NeighborListener
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2014-01-18 16:36:42 +01:00
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#endif
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{
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2016-06-17 17:00:05 +02:00
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MaskMonitor idle_monitor;
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2016-03-10 20:31:08 +01:00
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2014-01-18 16:36:42 +01:00
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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NeighborGlue *neighbors;
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#endif
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2014-01-30 20:29:48 +01:00
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#ifdef ENABLE_DATABASE
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2014-02-01 00:26:34 +01:00
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Database *database;
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2014-02-09 07:44:07 +01:00
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/**
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* This is really a #CompositeStorage. To avoid heavy include
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* dependencies, we declare it as just #Storage.
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*/
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2016-03-05 18:55:39 +01:00
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Storage *storage = nullptr;
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2014-02-05 17:50:04 +01:00
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2016-03-05 18:55:39 +01:00
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UpdateService *update = nullptr;
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2014-01-30 20:29:48 +01:00
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#endif
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2014-01-29 20:16:43 +01:00
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2013-04-17 22:58:33 +02:00
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ClientList *client_list;
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Partition *partition;
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2016-03-05 21:00:38 +01:00
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StateFile *state_file;
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2016-03-10 09:27:07 +01:00
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Instance()
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2016-10-12 12:18:44 +02:00
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:idle_monitor(event_loop, BIND_THIS_METHOD(OnIdle)), state_file(nullptr) {}
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2016-03-05 20:14:12 +01:00
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2016-03-05 18:33:27 +01:00
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/**
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* Initiate shutdown. Wrapper for EventLoop::Break().
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*/
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2016-03-05 20:17:47 +01:00
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void Shutdown() {
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event_loop.Break();
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}
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2016-03-05 18:33:27 +01:00
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2016-03-10 20:31:08 +01:00
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void EmitIdle(unsigned mask) {
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idle_monitor.OrMask(mask);
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}
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2014-01-30 20:29:48 +01:00
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#ifdef ENABLE_DATABASE
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2014-02-01 00:26:34 +01:00
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/**
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* Returns the global #Database instance. May return nullptr
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* if this MPD configuration has no database (no
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* music_directory was configured).
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*/
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2016-10-26 18:52:00 +02:00
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Database *GetDatabase() {
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return database;
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}
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2016-10-26 18:47:19 +02:00
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/**
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* Returns the global #Database instance. Throws
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* DatabaseError if this MPD configuration has no database (no
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* music_directory was configured).
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*/
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gcc_pure
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const Database &GetDatabaseOrThrow() const;
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2014-01-30 20:29:48 +01:00
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#endif
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2014-01-11 01:01:54 +01:00
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private:
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2014-01-30 20:29:48 +01:00
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#ifdef ENABLE_DATABASE
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2016-03-10 23:16:35 +01:00
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void OnDatabaseModified() override;
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2016-03-18 16:18:41 +01:00
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void OnDatabaseSongRemoved(const char *uri) override;
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2014-01-30 20:29:48 +01:00
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#endif
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2014-01-18 16:36:42 +01:00
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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/* virtual methods from class NeighborListener */
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2016-03-10 23:16:35 +01:00
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void FoundNeighbor(const NeighborInfo &info) override;
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void LostNeighbor(const NeighborInfo &info) override;
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2014-01-18 16:36:42 +01:00
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#endif
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2016-03-10 09:27:07 +01:00
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2016-03-10 20:31:08 +01:00
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/* callback for #idle_monitor */
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void OnIdle(unsigned mask);
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2013-04-17 22:58:33 +02:00
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};
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#endif
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