202 lines
6.7 KiB
C
202 lines
6.7 KiB
C
/*
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* Copyright (C) 2003-2009 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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#ifndef MPD_CONF_H
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#define MPD_CONF_H
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#include <stdbool.h>
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#include <glib.h>
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#define CONF_MUSIC_DIR "music_directory"
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#define CONF_PLAYLIST_DIR "playlist_directory"
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#define CONF_FOLLOW_INSIDE_SYMLINKS "follow_inside_symlinks"
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#define CONF_FOLLOW_OUTSIDE_SYMLINKS "follow_outside_symlinks"
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#define CONF_DB_FILE "db_file"
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#define CONF_STICKER_FILE "sticker_file"
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#define CONF_LOG_FILE "log_file"
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#define CONF_PID_FILE "pid_file"
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#define CONF_STATE_FILE "state_file"
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#define CONF_USER "user"
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#define CONF_GROUP "group"
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#define CONF_BIND_TO_ADDRESS "bind_to_address"
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#define CONF_PORT "port"
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#define CONF_LOG_LEVEL "log_level"
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#define CONF_ZEROCONF_NAME "zeroconf_name"
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#define CONF_ZEROCONF_ENABLED "zeroconf_enabled"
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#define CONF_PASSWORD "password"
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#define CONF_DEFAULT_PERMS "default_permissions"
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#define CONF_AUDIO_OUTPUT "audio_output"
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#define CONF_AUDIO_OUTPUT_FORMAT "audio_output_format"
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#define CONF_MIXER_TYPE "mixer_type"
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#define CONF_REPLAYGAIN "replaygain"
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#define CONF_REPLAYGAIN_PREAMP "replaygain_preamp"
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#define CONF_REPLAYGAIN_MISSING_PREAMP "replaygain_missing_preamp"
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#define CONF_VOLUME_NORMALIZATION "volume_normalization"
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#define CONF_SAMPLERATE_CONVERTER "samplerate_converter"
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#define CONF_AUDIO_BUFFER_SIZE "audio_buffer_size"
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#define CONF_BUFFER_BEFORE_PLAY "buffer_before_play"
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#define CONF_HTTP_PROXY_HOST "http_proxy_host"
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#define CONF_HTTP_PROXY_PORT "http_proxy_port"
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#define CONF_HTTP_PROXY_USER "http_proxy_user"
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#define CONF_HTTP_PROXY_PASSWORD "http_proxy_password"
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#define CONF_CONN_TIMEOUT "connection_timeout"
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#define CONF_MAX_CONN "max_connections"
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#define CONF_MAX_PLAYLIST_LENGTH "max_playlist_length"
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#define CONF_MAX_COMMAND_LIST_SIZE "max_command_list_size"
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#define CONF_MAX_OUTPUT_BUFFER_SIZE "max_output_buffer_size"
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#define CONF_FS_CHARSET "filesystem_charset"
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#define CONF_ID3V1_ENCODING "id3v1_encoding"
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#define CONF_METADATA_TO_USE "metadata_to_use"
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#define CONF_SAVE_ABSOLUTE_PATHS "save_absolute_paths_in_playlists"
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#define CONF_DECODER "decoder"
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#define CONF_INPUT "input"
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#define CONF_GAPLESS_MP3_PLAYBACK "gapless_mp3_playback"
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#define CONF_PLAYLIST_PLUGIN "playlist_plugin"
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#define DEFAULT_PLAYLIST_MAX_LENGTH (1024*16)
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#define DEFAULT_PLAYLIST_SAVE_ABSOLUTE_PATHS false
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struct block_param {
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char *name;
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char *value;
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int line;
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/**
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* This flag is false when nobody has queried the value of
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* this option yet.
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*/
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bool used;
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};
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struct config_param {
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char *value;
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unsigned int line;
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struct block_param *block_params;
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unsigned num_block_params;
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/**
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* This flag is false when nobody has queried the value of
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* this option yet.
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*/
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bool used;
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};
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/**
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* A GQuark for GError instances, resulting from malformed
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* configuration.
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*/
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static inline GQuark
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config_quark(void)
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{
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return g_quark_from_static_string("config");
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}
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void config_global_init(void);
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void config_global_finish(void);
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/**
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* Call this function after all configuration has been evaluated. It
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* checks for unused parameters, and logs warnings.
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*/
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void config_global_check(void);
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bool
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config_read_file(const char *file, GError **error_r);
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/* don't free the returned value
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set _last_ to NULL to get first entry */
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G_GNUC_PURE
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struct config_param *
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config_get_next_param(const char *name, const struct config_param *last);
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G_GNUC_PURE
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static inline struct config_param *
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config_get_param(const char *name)
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{
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return config_get_next_param(name, NULL);
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}
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/* Note on G_GNUC_PURE: Some of the functions declared pure are not
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really pure in strict sense. They have side effect such that they
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validate parameter's value and signal an error if it's invalid.
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However, if the argument was already validated or we don't care
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about the argument at all, this may be ignored so in the end, we
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should be fine with calling those functions pure. */
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G_GNUC_PURE
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const char *
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config_get_string(const char *name, const char *default_value);
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/**
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* Returns an optional configuration variable which contains an
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* absolute path. If there is a tilde prefix, it is expanded. Aborts
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* MPD if the path is not a valid absolute path.
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*/
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/* We lie here really. This function is not pure as it has side
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effects -- it parse the value and creates new string freeing
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previous one. However, because this works the very same way each
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time (ie. from the outside it appears as if function had no side
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effects) we should be in the clear declaring it pure. */
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G_GNUC_PURE
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const char *
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config_get_path(const char *name);
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G_GNUC_PURE
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unsigned
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config_get_positive(const char *name, unsigned default_value);
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G_GNUC_PURE
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struct block_param *
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config_get_block_param(const struct config_param *param, const char *name);
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G_GNUC_PURE
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bool config_get_bool(const char *name, bool default_value);
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G_GNUC_PURE
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const char *
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config_get_block_string(const struct config_param *param, const char *name,
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const char *default_value);
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static inline char *
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config_dup_block_string(const struct config_param *param, const char *name,
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const char *default_value)
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{
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return g_strdup(config_get_block_string(param, name, default_value));
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}
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G_GNUC_PURE
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unsigned
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config_get_block_unsigned(const struct config_param *param, const char *name,
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unsigned default_value);
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G_GNUC_PURE
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bool
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config_get_block_bool(const struct config_param *param, const char *name,
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bool default_value);
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struct config_param *
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config_new_param(const char *value, int line);
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bool
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config_add_block_param(struct config_param * param, const char *name,
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const char *value, int line, GError **error_r);
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#endif
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