672 lines
15 KiB
C++
672 lines
15 KiB
C++
/*
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* Copyright 2003-2016 The Music Player Daemon Project
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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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#include "config.h"
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#include "Main.hxx"
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#include "Instance.hxx"
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#include "CommandLine.hxx"
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#include "PlaylistFile.hxx"
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#include "MusicChunk.hxx"
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#include "StateFile.hxx"
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#include "player/Thread.hxx"
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#include "Mapper.hxx"
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#include "Permission.hxx"
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#include "Listen.hxx"
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#include "client/Client.hxx"
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#include "client/ClientList.hxx"
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#include "command/AllCommands.hxx"
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#include "Partition.hxx"
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#include "tag/TagConfig.hxx"
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#include "ReplayGainConfig.hxx"
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#include "Idle.hxx"
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#include "Log.hxx"
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#include "LogInit.hxx"
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#include "input/Init.hxx"
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#include "event/Loop.hxx"
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#include "IOThread.hxx"
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#include "fs/AllocatedPath.hxx"
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#include "fs/Config.hxx"
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#include "playlist/PlaylistRegistry.hxx"
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#include "zeroconf/ZeroconfGlue.hxx"
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#include "decoder/DecoderList.hxx"
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#include "AudioConfig.hxx"
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#include "pcm/PcmConvert.hxx"
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#include "unix/SignalHandlers.hxx"
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#include "system/FatalError.hxx"
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#include "thread/Slack.hxx"
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#include "lib/icu/Init.hxx"
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#include "config/ConfigGlobal.hxx"
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#include "config/Param.hxx"
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#include "config/ConfigDefaults.hxx"
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#include "config/ConfigOption.hxx"
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#include "config/ConfigError.hxx"
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#include "Stats.hxx"
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#ifdef ENABLE_DAEMON
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#include "unix/Daemon.hxx"
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#endif
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#ifdef ENABLE_DATABASE
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#include "db/update/Service.hxx"
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#include "db/Configured.hxx"
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#include "db/DatabasePlugin.hxx"
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#include "db/plugins/simple/SimpleDatabasePlugin.hxx"
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#include "storage/Configured.hxx"
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#include "storage/CompositeStorage.hxx"
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#ifdef ENABLE_INOTIFY
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#include "db/update/InotifyUpdate.hxx"
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#endif
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#endif
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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#include "neighbor/Glue.hxx"
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#endif
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#ifdef ENABLE_SQLITE
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#include "sticker/StickerDatabase.hxx"
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#endif
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#ifdef ENABLE_ARCHIVE
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#include "archive/ArchiveList.hxx"
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#endif
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#ifdef ANDROID
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#include "java/Global.hxx"
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#include "java/File.hxx"
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#include "android/Environment.hxx"
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#include "android/Context.hxx"
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#include "fs/StandardDirectory.hxx"
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#include "fs/FileSystem.hxx"
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#include "org_musicpd_Bridge.h"
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#endif
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#ifdef ENABLE_SYSTEMD_DAEMON
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#include <systemd/sd-daemon.h>
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#endif
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#include <stdlib.h>
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#ifdef HAVE_LOCALE_H
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#include <locale.h>
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#endif
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#ifdef WIN32
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#endif
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#ifdef __BLOCKS__
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#include <dispatch/dispatch.h>
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#endif
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#include <limits.h>
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static constexpr unsigned DEFAULT_BUFFER_SIZE = 4096;
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static constexpr unsigned DEFAULT_BUFFER_BEFORE_PLAY = 10;
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#ifdef ANDROID
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Context *context;
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#endif
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Instance *instance;
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#ifdef ENABLE_DAEMON
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static void
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glue_daemonize_init(const struct options *options)
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{
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daemonize_init(config_get_string(ConfigOption::USER, nullptr),
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config_get_string(ConfigOption::GROUP, nullptr),
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config_get_path(ConfigOption::PID_FILE));
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if (options->kill)
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daemonize_kill();
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}
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#endif
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static void
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glue_mapper_init()
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{
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mapper_init(config_get_path(ConfigOption::PLAYLIST_DIR));
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}
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#ifdef ENABLE_DATABASE
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static void
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InitStorage()
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{
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Storage *storage = CreateConfiguredStorage(io_thread_get());
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if (storage == nullptr)
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return;
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CompositeStorage *composite = new CompositeStorage();
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instance->storage = composite;
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composite->Mount("", storage);
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}
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/**
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* Returns the database. If this function returns false, this has not
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* succeeded, and the caller should create the database after the
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* process has been daemonized.
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*/
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static bool
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glue_db_init_and_load(void)
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{
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instance->database =
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CreateConfiguredDatabase(instance->event_loop, *instance);
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if (instance->database == nullptr)
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return true;
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if (instance->database->GetPlugin().flags & DatabasePlugin::FLAG_REQUIRE_STORAGE) {
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InitStorage();
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if (instance->storage == nullptr) {
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delete instance->database;
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instance->database = nullptr;
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LogDefault(config_domain,
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"Found database setting without "
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"music_directory - disabling database");
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return true;
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}
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} else {
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if (IsStorageConfigured())
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LogDefault(config_domain,
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"Ignoring the storage configuration "
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"because the database does not need it");
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}
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instance->database->Open();
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if (!instance->database->IsPlugin(simple_db_plugin))
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return true;
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SimpleDatabase &db = *(SimpleDatabase *)instance->database;
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instance->update = new UpdateService(instance->event_loop, db,
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static_cast<CompositeStorage &>(*instance->storage),
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*instance);
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/* run database update after daemonization? */
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return db.FileExists();
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}
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static bool
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InitDatabaseAndStorage()
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{
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const bool create_db = !glue_db_init_and_load();
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return create_db;
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}
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#endif
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/**
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* Configure and initialize the sticker subsystem.
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*/
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static void
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glue_sticker_init()
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{
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#ifdef ENABLE_SQLITE
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auto sticker_file = config_get_path(ConfigOption::STICKER_FILE);
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if (sticker_file.IsNull())
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return;
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sticker_global_init(std::move(sticker_file));
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#endif
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}
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static void
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glue_state_file_init()
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{
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auto path_fs = config_get_path(ConfigOption::STATE_FILE);
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if (path_fs.IsNull()) {
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#ifdef ANDROID
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const auto cache_dir = GetUserCacheDir();
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if (cache_dir.IsNull())
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return;
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path_fs = AllocatedPath::Build(cache_dir, "state");
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#else
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return;
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#endif
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}
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const unsigned interval =
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config_get_unsigned(ConfigOption::STATE_FILE_INTERVAL,
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StateFile::DEFAULT_INTERVAL);
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instance->state_file = new StateFile(std::move(path_fs), interval,
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*instance->partition,
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instance->event_loop);
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instance->state_file->Read();
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}
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/**
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* Windows-only initialization of the Winsock2 library.
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*/
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static void winsock_init(void)
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{
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#ifdef WIN32
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WSADATA sockinfo;
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int retval = WSAStartup(MAKEWORD(2, 2), &sockinfo);
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if(retval != 0)
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FormatFatalError("Attempt to open Winsock2 failed; error code %d",
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retval);
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if (LOBYTE(sockinfo.wVersion) != 2)
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FatalError("We use Winsock2 but your version is either too new "
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"or old; please install Winsock 2.x");
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#endif
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}
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/**
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* Initialize the decoder and player core, including the music pipe.
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*/
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static void
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initialize_decoder_and_player(void)
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{
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const ConfigParam *param;
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size_t buffer_size;
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param = config_get_param(ConfigOption::AUDIO_BUFFER_SIZE);
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if (param != nullptr) {
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char *test;
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long tmp = strtol(param->value.c_str(), &test, 10);
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if (*test != '\0' || tmp <= 0 || tmp == LONG_MAX)
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FormatFatalError("buffer size \"%s\" is not a "
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"positive integer, line %i",
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param->value.c_str(), param->line);
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buffer_size = tmp;
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} else
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buffer_size = DEFAULT_BUFFER_SIZE;
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buffer_size *= 1024;
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const unsigned buffered_chunks = buffer_size / CHUNK_SIZE;
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if (buffered_chunks >= 1 << 15)
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FormatFatalError("buffer size \"%lu\" is too big",
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(unsigned long)buffer_size);
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float perc;
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param = config_get_param(ConfigOption::BUFFER_BEFORE_PLAY);
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if (param != nullptr) {
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char *test;
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perc = strtod(param->value.c_str(), &test);
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if (*test != '%' || perc < 0 || perc > 100) {
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FormatFatalError("buffered before play \"%s\" is not "
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"a positive percentage and less "
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"than 100 percent, line %i",
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param->value.c_str(), param->line);
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}
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} else
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perc = DEFAULT_BUFFER_BEFORE_PLAY;
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unsigned buffered_before_play = (perc / 100) * buffered_chunks;
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if (buffered_before_play > buffered_chunks)
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buffered_before_play = buffered_chunks;
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const unsigned max_length =
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config_get_positive(ConfigOption::MAX_PLAYLIST_LENGTH,
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DEFAULT_PLAYLIST_MAX_LENGTH);
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instance->partition = new Partition(*instance,
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max_length,
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buffered_chunks,
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buffered_before_play);
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}
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void
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Instance::OnIdle(unsigned flags)
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{
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/* send "idle" notifications to all subscribed
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clients */
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client_list->IdleAdd(flags);
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if (flags & (IDLE_PLAYLIST|IDLE_PLAYER|IDLE_MIXER|IDLE_OUTPUT) &&
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state_file != nullptr)
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state_file->CheckModified();
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}
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#ifndef ANDROID
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int main(int argc, char *argv[])
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{
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#ifdef WIN32
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return win32_main(argc, argv);
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#else
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return mpd_main(argc, argv);
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#endif
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}
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#endif
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static int mpd_main_after_fork(struct options);
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#ifdef ANDROID
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static inline
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#endif
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int mpd_main(int argc, char *argv[])
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try {
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struct options options;
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#ifdef ENABLE_DAEMON
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daemonize_close_stdin();
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#endif
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#ifndef ANDROID
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#ifdef HAVE_LOCALE_H
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/* initialize locale */
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setlocale(LC_CTYPE,"");
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setlocale(LC_COLLATE, "");
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#endif
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#endif
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IcuInit();
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winsock_init();
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io_thread_init();
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config_global_init();
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#ifdef ANDROID
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(void)argc;
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(void)argv;
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const auto sdcard = Environment::getExternalStorageDirectory();
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if (!sdcard.IsNull()) {
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const auto config_path =
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AllocatedPath::Build(sdcard, "mpd.conf");
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if (FileExists(config_path))
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ReadConfigFile(config_path);
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}
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#else
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ParseCommandLine(argc, argv, &options);
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#endif
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#ifdef ENABLE_DAEMON
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glue_daemonize_init(&options);
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#endif
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stats_global_init();
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TagLoadConfig();
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log_init(options.verbose, options.log_stderr);
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instance = new Instance();
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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instance->neighbors = new NeighborGlue();
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instance->neighbors->Init(io_thread_get(), *instance);
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if (instance->neighbors->IsEmpty()) {
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delete instance->neighbors;
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instance->neighbors = nullptr;
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}
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#endif
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const unsigned max_clients =
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config_get_positive(ConfigOption::MAX_CONN, 10);
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instance->client_list = new ClientList(max_clients);
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initialize_decoder_and_player();
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listen_global_init(instance->event_loop, *instance->partition);
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#ifdef ENABLE_DAEMON
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daemonize_set_user();
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daemonize_begin(options.daemon);
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#endif
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#ifdef __BLOCKS__
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/* Runs the OS X native event loop in the main thread, and runs
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the rest of mpd_main on a new thread. This lets CoreAudio receive
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route change notifications (e.g. plugging or unplugging headphones).
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All hardware output on OS X ultimately uses CoreAudio internally.
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This must be run after forking; if dispatch is called before forking,
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the child process will have a broken internal dispatch state. */
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dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
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exit(mpd_main_after_fork(options));
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});
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dispatch_main();
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return EXIT_FAILURE; // unreachable, because dispatch_main never returns
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#else
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return mpd_main_after_fork(options);
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#endif
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} catch (const std::exception &e) {
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LogError(e);
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return EXIT_FAILURE;
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}
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static int mpd_main_after_fork(struct options options)
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try {
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ConfigureFS();
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glue_mapper_init();
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initPermissions();
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spl_global_init();
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#ifdef ENABLE_ARCHIVE
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archive_plugin_init_all();
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#endif
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pcm_convert_global_init();
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decoder_plugin_init_all();
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#ifdef ENABLE_DATABASE
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const bool create_db = InitDatabaseAndStorage();
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#endif
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glue_sticker_init();
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command_init();
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initAudioConfig();
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instance->partition->outputs.Configure(instance->event_loop,
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instance->partition->pc);
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client_manager_init();
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replay_gain_global_init();
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input_stream_global_init();
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playlist_list_global_init();
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#ifdef ENABLE_DAEMON
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daemonize_commit();
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#endif
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#ifndef ANDROID
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setup_log_output(options.log_stderr);
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SignalHandlersInit(instance->event_loop);
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#endif
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io_thread_start();
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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if (instance->neighbors != nullptr)
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instance->neighbors->Open();
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#endif
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ZeroconfInit(instance->event_loop);
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StartPlayerThread(instance->partition->pc);
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#ifdef ENABLE_DATABASE
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if (create_db) {
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/* the database failed to load: recreate the
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database */
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unsigned job = instance->update->Enqueue("", true);
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if (job == 0)
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FatalError("directory update failed");
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}
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#endif
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glue_state_file_init();
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instance->partition->UpdateEffectiveReplayGainMode(replay_gain_mode);
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#ifdef ENABLE_DATABASE
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if (config_get_bool(ConfigOption::AUTO_UPDATE, false)) {
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#ifdef ENABLE_INOTIFY
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if (instance->storage != nullptr &&
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instance->update != nullptr)
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mpd_inotify_init(instance->event_loop,
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*instance->storage,
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*instance->update,
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config_get_unsigned(ConfigOption::AUTO_UPDATE_DEPTH,
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INT_MAX));
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#else
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FormatWarning(config_domain,
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"inotify: auto_update was disabled. enable during compilation phase");
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#endif
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}
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#endif
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config_global_check();
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/* enable all audio outputs (if not already done by
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playlist_state_restore() */
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instance->partition->pc.LockUpdateAudio();
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#ifdef WIN32
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win32_app_started();
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#endif
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/* the MPD frontend does not care about timer slack; set it to
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a huge value to allow the kernel to reduce CPU wakeups */
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SetThreadTimerSlackMS(100);
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#ifdef ENABLE_SYSTEMD_DAEMON
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sd_notify(0, "READY=1");
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#endif
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/* run the main loop */
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instance->event_loop.Run();
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#ifdef WIN32
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win32_app_stopping();
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#endif
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/* cleanup */
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#if defined(ENABLE_DATABASE) && defined(ENABLE_INOTIFY)
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mpd_inotify_finish();
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if (instance->update != nullptr)
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instance->update->CancelAllAsync();
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#endif
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if (instance->state_file != nullptr) {
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instance->state_file->Write();
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delete instance->state_file;
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}
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|
|
instance->partition->pc.Kill();
|
|
ZeroconfDeinit();
|
|
listen_global_finish();
|
|
delete instance->client_list;
|
|
|
|
#ifdef ENABLE_NEIGHBOR_PLUGINS
|
|
if (instance->neighbors != nullptr) {
|
|
instance->neighbors->Close();
|
|
delete instance->neighbors;
|
|
}
|
|
#endif
|
|
|
|
#ifdef ENABLE_DATABASE
|
|
delete instance->update;
|
|
|
|
if (instance->database != nullptr) {
|
|
instance->database->Close();
|
|
delete instance->database;
|
|
}
|
|
|
|
delete instance->storage;
|
|
#endif
|
|
|
|
#ifdef ENABLE_SQLITE
|
|
sticker_global_finish();
|
|
#endif
|
|
|
|
playlist_list_global_finish();
|
|
input_stream_global_finish();
|
|
|
|
#ifdef ENABLE_DATABASE
|
|
mapper_finish();
|
|
#endif
|
|
|
|
DeinitFS();
|
|
|
|
delete instance->partition;
|
|
command_finish();
|
|
decoder_plugin_deinit_all();
|
|
#ifdef ENABLE_ARCHIVE
|
|
archive_plugin_deinit_all();
|
|
#endif
|
|
config_global_finish();
|
|
io_thread_deinit();
|
|
#ifndef ANDROID
|
|
SignalHandlersFinish();
|
|
#endif
|
|
delete instance;
|
|
instance = nullptr;
|
|
|
|
#ifdef ENABLE_DAEMON
|
|
daemonize_finish();
|
|
#endif
|
|
|
|
#ifdef WIN32
|
|
WSACleanup();
|
|
#endif
|
|
|
|
IcuFinish();
|
|
|
|
log_deinit();
|
|
return EXIT_SUCCESS;
|
|
} catch (const std::exception &e) {
|
|
LogError(e);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
#ifdef ANDROID
|
|
|
|
gcc_visibility_default
|
|
JNIEXPORT void JNICALL
|
|
Java_org_musicpd_Bridge_run(JNIEnv *env, jclass, jobject _context)
|
|
{
|
|
Java::Init(env);
|
|
Java::File::Initialise(env);
|
|
Environment::Initialise(env);
|
|
|
|
context = new Context(env, _context);
|
|
|
|
mpd_main(0, nullptr);
|
|
|
|
delete context;
|
|
Environment::Deinitialise(env);
|
|
}
|
|
|
|
gcc_visibility_default
|
|
JNIEXPORT void JNICALL
|
|
Java_org_musicpd_Bridge_shutdown(JNIEnv *, jclass)
|
|
{
|
|
if (instance != nullptr)
|
|
instance->Shutdown();
|
|
}
|
|
|
|
#endif
|