393bcd961a
Limits the depth of the watched directories. This is useful to keep resource usage down and speed up MPD startup.
454 lines
9.3 KiB
C
454 lines
9.3 KiB
C
/*
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* Copyright (C) 2003-2010 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.h"
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#include "daemon.h"
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#include "client.h"
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#include "idle.h"
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#include "command.h"
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#include "playlist.h"
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#include "stored_playlist.h"
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#include "database.h"
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#include "update.h"
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#include "player_thread.h"
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#include "listen.h"
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#include "cmdline.h"
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#include "conf.h"
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#include "path.h"
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#include "mapper.h"
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#include "chunk.h"
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#include "player_control.h"
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#include "stats.h"
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#include "sig_handlers.h"
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#include "audio.h"
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#include "output_all.h"
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#include "volume.h"
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#include "log.h"
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#include "permission.h"
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#include "replay_gain_config.h"
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#include "decoder_list.h"
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#include "input_init.h"
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#include "playlist_list.h"
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#include "state_file.h"
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#include "tag.h"
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#include "dbUtils.h"
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#include "zeroconf.h"
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#include "event_pipe.h"
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#include "dirvec.h"
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#include "songvec.h"
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#include "tag_pool.h"
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#ifdef ENABLE_INOTIFY
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#include "inotify_update.h"
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#endif
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#ifdef ENABLE_SQLITE
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#include "sticker.h"
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#endif
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#ifdef ENABLE_ARCHIVE
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#include "archive_list.h"
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#endif
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#include <glib.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.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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enum {
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DEFAULT_BUFFER_SIZE = 2048,
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DEFAULT_BUFFER_BEFORE_PLAY = 10,
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};
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GThread *main_task;
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GMainLoop *main_loop;
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GCond *main_cond;
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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(CONF_USER, NULL),
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config_get_string(CONF_GROUP, NULL),
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config_get_path(CONF_PID_FILE));
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if (options->kill)
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daemonize_kill();
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}
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static void
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glue_mapper_init(void)
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{
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const char *music_dir, *playlist_dir;
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music_dir = config_get_path(CONF_MUSIC_DIR);
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#if GLIB_CHECK_VERSION(2,14,0)
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if (music_dir == NULL)
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music_dir = g_get_user_special_dir(G_USER_DIRECTORY_MUSIC);
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#endif
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playlist_dir = config_get_path(CONF_PLAYLIST_DIR);
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mapper_init(music_dir, playlist_dir);
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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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const char *path = config_get_path(CONF_DB_FILE);
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bool ret;
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GError *error = NULL;
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if (!mapper_has_music_directory()) {
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if (path != NULL)
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g_message("Found " CONF_DB_FILE " setting without "
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CONF_MUSIC_DIR " - disabling database");
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db_init(NULL);
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return true;
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}
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if (path == NULL)
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g_error(CONF_DB_FILE " setting missing");
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db_init(path);
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ret = db_load(&error);
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if (!ret) {
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g_warning("Failed to load database: %s", error->message);
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g_error_free(error);
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if (!db_check())
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exit(EXIT_FAILURE);
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db_clear();
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/* run database update after daemonization */
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return false;
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}
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return true;
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}
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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(void)
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{
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#ifdef ENABLE_SQLITE
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bool success;
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GError *error = NULL;
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success = sticker_global_init(config_get_path(CONF_STICKER_FILE),
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&error);
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if (!success)
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g_error("%s", error->message);
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#endif
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}
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static void
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glue_state_file_init(void)
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{
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state_file_init(config_get_path(CONF_STATE_FILE));
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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;
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retval = WSAStartup(MAKEWORD(2, 2), &sockinfo);
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if(retval != 0)
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{
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g_error("Attempt to open Winsock2 failed; error code %d\n",
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retval);
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}
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if (LOBYTE(sockinfo.wVersion) != 2)
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{
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g_error("We use Winsock2 but your version is either too new or "
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"old; please install Winsock 2.x\n");
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}
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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 struct config_param *param;
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char *test;
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size_t buffer_size;
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float perc;
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unsigned buffered_chunks;
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unsigned buffered_before_play;
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param = config_get_param(CONF_AUDIO_BUFFER_SIZE);
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if (param != NULL) {
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buffer_size = strtol(param->value, &test, 10);
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if (*test != '\0' || buffer_size <= 0)
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g_error("buffer size \"%s\" is not a positive integer, "
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"line %i\n", param->value, param->line);
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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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buffered_chunks = buffer_size / CHUNK_SIZE;
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if (buffered_chunks >= 1 << 15)
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g_error("buffer size \"%li\" is too big\n", (long)buffer_size);
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param = config_get_param(CONF_BUFFER_BEFORE_PLAY);
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if (param != NULL) {
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perc = strtod(param->value, &test);
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if (*test != '%' || perc < 0 || perc > 100) {
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g_error("buffered before play \"%s\" is not a positive "
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"percentage and less than 100 percent, line %i",
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param->value, param->line);
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}
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} else
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perc = DEFAULT_BUFFER_BEFORE_PLAY;
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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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pc_init(buffered_chunks, buffered_before_play);
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}
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/**
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* event_pipe callback function for PIPE_EVENT_IDLE
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*/
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static void
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idle_event_emitted(void)
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{
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/* send "idle" notificaions to all subscribed
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clients */
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unsigned flags = idle_get();
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if (flags != 0)
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client_manager_idle_add(flags);
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}
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int main(int argc, char *argv[])
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{
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struct options options;
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clock_t start;
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bool create_db;
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GError *error = NULL;
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bool success;
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daemonize_close_stdin();
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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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#endif
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g_set_application_name("Music Player Daemon");
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/* enable GLib's thread safety code */
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g_thread_init(NULL);
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winsock_init();
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idle_init();
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dirvec_init();
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songvec_init();
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tag_pool_init();
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config_global_init();
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success = parse_cmdline(argc, argv, &options, &error);
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if (!success) {
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g_warning("%s", error->message);
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g_error_free(error);
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return EXIT_FAILURE;
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}
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glue_daemonize_init(&options);
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stats_global_init();
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tag_lib_init();
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log_init(options.verbose, options.log_stderr);
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success = listen_global_init(&error);
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if (!success) {
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g_warning("%s", error->message);
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g_error_free(error);
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return EXIT_FAILURE;
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}
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daemonize_set_user();
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main_task = g_thread_self();
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main_loop = g_main_loop_new(NULL, FALSE);
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main_cond = g_cond_new();
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event_pipe_init();
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event_pipe_register(PIPE_EVENT_IDLE, idle_event_emitted);
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path_global_init();
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glue_mapper_init();
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initPermissions();
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playlist_global_init();
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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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decoder_plugin_init_all();
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update_global_init();
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create_db = !glue_db_init_and_load();
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glue_sticker_init();
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command_init();
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initialize_decoder_and_player();
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volume_init();
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initAudioConfig();
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audio_output_all_init();
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client_manager_init();
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replay_gain_global_init();
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if (!input_stream_global_init(&error)) {
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g_warning("%s", error->message);
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g_error_free(error);
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return EXIT_FAILURE;
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}
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playlist_list_global_init();
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daemonize(options.daemon);
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setup_log_output(options.log_stderr);
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initSigHandlers();
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initZeroconf();
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player_create();
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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 = update_enqueue(NULL, true);
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if (job == 0)
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g_error("directory update failed");
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}
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glue_state_file_init();
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success = config_get_bool(CONF_AUTO_UPDATE, false);
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#ifdef ENABLE_INOTIFY
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if (success && mapper_has_music_directory())
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mpd_inotify_init(config_get_unsigned(CONF_AUTO_UPDATE_DEPTH,
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G_MAXUINT));
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#else
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if (success)
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g_warning("inotify: auto_update was disabled. enable during compilation phase");
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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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pc_update_audio();
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/* run the main loop */
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g_main_loop_run(main_loop);
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/* cleanup */
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g_main_loop_unref(main_loop);
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#ifdef ENABLE_INOTIFY
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mpd_inotify_finish();
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#endif
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state_file_finish();
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pc_kill();
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finishZeroconf();
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client_manager_deinit();
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listen_global_finish();
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playlist_global_finish();
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start = clock();
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db_finish();
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g_debug("db_finish took %f seconds",
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((float)(clock()-start))/CLOCKS_PER_SEC);
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#ifdef ENABLE_SQLITE
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sticker_global_finish();
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#endif
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g_cond_free(main_cond);
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event_pipe_deinit();
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playlist_list_global_finish();
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input_stream_global_finish();
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audio_output_all_finish();
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volume_finish();
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mapper_finish();
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path_global_finish();
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finishPermissions();
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pc_deinit();
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command_finish();
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update_global_finish();
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decoder_plugin_deinit_all();
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#ifdef ENABLE_ARCHIVE
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archive_plugin_deinit_all();
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#endif
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config_global_finish();
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tag_pool_deinit();
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songvec_deinit();
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dirvec_deinit();
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idle_deinit();
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stats_global_finish();
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daemonize_finish();
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#ifdef WIN32
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WSACleanup();
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#endif
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close_log_files();
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return EXIT_SUCCESS;
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}
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