X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afs.h;h=aa94ac7282a27755cf6b43bd4773443f5a511a53;hp=520bd5ba5a4c84bd33098ae6ff75e1ea0ff04f3e;hb=02691a995a6ee0fe4d9078f1d82465edd4814f74;hpb=c85690666e2ed2327e751b819970658d58479bfb diff --git a/afs.h b/afs.h index 520bd5ba..aa94ac72 100644 --- a/afs.h +++ b/afs.h @@ -1,123 +1,186 @@ -/* - * Copyright (C) 2005-2007 Andre Noll - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. - */ - -/** \file afs.h data structures common to all audio file selectors */ - -#include - - -int find_audio_files(const char *dirname, int (*f)(const char *, const char *)); - -/** - * describes one supported audio file selector - * - * There is one such struct for each supported selector. During the startup - * part of para_server the \a init() function of the activated selector gets - * called which fills in all other function pointers. - * - */ -struct audio_file_selector { -/** - * name name of this selector - */ -const char *name; -/** - * the init routine of the selector - * - * It should check its command line options and do all necessary initialization - * like connecting to a database server. - * - * A negative return value indicates an initialization error and means that - * this selector should be ignored for now (it may later be activated again via - * the chs command). - * - * If \a init() returns success (non-negative return value), it must have - * initialized in all non-optional function pointers of the given selector - * struct. Moreover, \a cmd_list must point to a NULL-terminated array which - * holds the list of all commands that are supported by this selector. - */ -int (*init)(struct audio_file_selector *self); -/** - * list of commands supported by this selector - */ -struct server_command *cmd_list; -/** - * pointer to function returning list of at most \a num audio files to be - * streamed next - * - * \a get_audio_file_list() must return a pointer to a array of at most \a num - * char* pointers (terminated by a NULL pointer), or NULL on errors. Both the - * array and its contents must be dynamically allocated and are freed by the - * caller. - * -*/ -char **(*get_audio_file_list)(unsigned int num); -/** - * - * the update hook - * - * The \a update_audio_file pointer is optional and need not be supplied. In this - * case it is not neccessary to init this pointer from within init(). If - * \a update_audio_file is non-NULL, the function it points to gets called - * whenever a new audio file was successfully loaded and is going to be - * streamed by any of paraslash's senders. The full path of the audio file is - * passed \a update_audio_file(). - * - */ -void (*update_audio_file)(char *audio_file); -/** - * - * shutdown this selector and free all resources - * - * This gets called whenever the audio file selector changes. The reason for - * this change might be that some user sent the chs command, that para_server - * receives the HUP signal, or that para_server shuts down. It is assumed to - * succeed. - */ -void (*shutdown)(void); -/** - * - * add file descriptors to fd_sets - * - * The pre_select function of the activated selector gets called just before - * para_server enters its main select loop. The selector may add its own file - * descriptors to the \a rfds or the \a wfds set. - * - * \return The highest-numbered file descriptor which was added to either of - * the two fd sets (or -1 if no file descriptors were added). - * - * \sa select(2) - */ -int (*pre_select)(fd_set *rfds, fd_set *wfds); -/** - * handle the file descriptors which are ready for I/O - * - * If the pre_select hook added one ore more file descriptors to the read or write - * set, this is the hook to check the result and do any I/O on those descriptors - * which are ready for reading/writing. - */ -void (*post_select)(fd_set *rfds, fd_set *wfds); -/** - * each selector has its private data pointer */ -void *private_data; +#include +#include "osl.h" +#include "hash.h" + +#define DATABASE_DIR "/home/maan/tmp/osl" /* FIXME */ + +struct afs_info { + uint64_t last_played; + uint64_t attributes; + uint32_t num_played; + uint32_t image_id; + uint32_t lyrics_id; + uint8_t audio_format_id; +}; + +enum afs_table_flags {TBLFLAG_SKIP_CREATE}; + +struct table_info { + const struct osl_table_description *desc; + struct osl_table *table; + enum afs_table_flags flags; +}; + +enum ls_sorting_method { + LS_SORT_BY_PATH, /* -sp (default) */ + LS_SORT_BY_SCORE, /* -ss */ + LS_SORT_BY_LAST_PLAYED, /* -sl */ + LS_SORT_BY_NUM_PLAYED, /* -sn */ + LS_SORT_BY_FREQUENCY, /* -sf */ + LS_SORT_BY_CHANNELS, /* -sc */ + LS_SORT_BY_IMAGE_ID, /* -si */ + LS_SORT_BY_LYRICS_ID, /* -sy */ + LS_SORT_BY_BITRATE, /* -sb */ + LS_SORT_BY_DURATION, /* -sd */ + LS_SORT_BY_AUDIO_FORMAT, /* -sa */ + LS_SORT_BY_HASH, /* -sh */ +}; + +enum ls_listing_mode { + LS_MODE_SHORT, + LS_MODE_LONG, + LS_MODE_VERBOSE, + LS_MODE_MBOX +}; + +enum ls_flags { + LS_FLAG_FULL_PATH = 1, + LS_FLAG_ADMISSIBLE_ONLY = 2, + LS_FLAG_REVERSE = 4, +}; + +struct ls_widths { + unsigned short score_width; + unsigned short image_id_width; + unsigned short lyrics_id_width; + unsigned short bitrate_width; + unsigned short frequency_width; + unsigned short duration_width; + unsigned short num_played_width; +}; + +struct ls_data { + struct audio_format_info afhi; + struct afs_info afsi; + char *path; + long score; + HASH_TYPE *hash; +}; + +struct ls_options { + unsigned flags; + enum ls_sorting_method sorting; + enum ls_listing_mode mode; + char **patterns; + int num_patterns; + struct ls_widths widths; + uint32_t array_size; + uint32_t num_matching_paths; + struct ls_data *data; + struct ls_data **data_ptr; }; -int mysql_selector_init(struct audio_file_selector*); -int playlist_selector_init(struct audio_file_selector*); -int random_selector_init(struct audio_file_selector*); +enum play_mode {PLAY_MODE_MOOD, PLAY_MODE_PLAYLIST}; + +struct audio_file_data { + enum play_mode current_play_mode; + long score; + struct afs_info afsi; + struct audio_format_info afhi; + char *path; + struct osl_object map; +}; + +/* afs */ +typedef int callback_function(const struct osl_object *, struct osl_object *); +__noreturn int afs_init(uint32_t cookie, int socket_fd); +int send_callback_request(callback_function *f, struct osl_object *query, + struct osl_object *result); +int send_standard_callback_request(int argc, const char **argv, + callback_function *f, struct osl_object *result); +int send_option_arg_callback_request(struct osl_object *options, + int argc, const char **argv, callback_function *f, + struct osl_object *result); +int stdin_command(struct osl_object *arg_obj, callback_function *f, + unsigned max_len, struct osl_object *result); +int string_compare(const struct osl_object *obj1, const struct osl_object *obj2); +int para_atol(const char *str, long *result); +int open_next_audio_file(struct audio_file_data *afd); +int close_audio_file(struct audio_file_data *afd); + +/* score */ +int score_init(struct table_info *ti); +void score_shutdown(enum osl_close_flags flags); +int admissible_file_loop(void *data, osl_rbtree_loop_func *func); +int admissible_file_loop_reverse(void *data, osl_rbtree_loop_func *func); +int score_get_best(struct osl_row **aft_row, long *score); +int get_score_and_aft_row(struct osl_row *score_row, long *score, struct osl_row **aft_row); +int score_add(const struct osl_row *row, long score); +int score_update(const struct osl_row *aft_row, long new_score); +int get_num_admissible_files(unsigned *num); +int score_delete(const struct osl_row *aft_row); +int row_belongs_to_score_table(const struct osl_row *aft_row); + +/* attribute */ +int attribute_init(struct table_info *ti); +void attribute_shutdown(enum osl_close_flags flags); +void get_attribute_bitmap(uint64_t *atts, char *buf); +int get_attribute_bitnum_by_name(const char *att_name, unsigned char *bitnum); +int get_attribute_text(uint64_t *atts, const char *delim, char **text); + +/* aft */ +int aft_init(struct table_info *ti); +void aft_shutdown(enum osl_close_flags flags); +int aft_get_row_of_path(char *path, struct osl_row **row); +int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd); +int load_afsi(struct afs_info *afsi, struct osl_object *obj); +void save_afsi(struct afs_info *afsi, struct osl_object *obj); +int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi); +int get_audio_file_path_of_row(const struct osl_row *row, char **path); +int get_afsi_object_of_row(const void *row, struct osl_object *obj); +int audio_file_loop(void *private_data, osl_rbtree_loop_func *func); + +/* mood */ +int mood_open(char *mood_name); +void mood_close(void); +int mood_update_audio_file(const struct osl_row *aft_row, struct afs_info *old_afsi); +int mood_reload(void); +int mood_delete_audio_file(const struct osl_row *aft_row); + + +/* playlist */ +int playlist_open(char *name); +void playlist_close(void); +int playlist_update_audio_file(struct osl_row *aft_row); + +/** evaluates to 1 if x < y, to -1 if x > y and to 0 if x == y */ +#define NUM_COMPARE(x, y) ((int)((x) < (y)) - (int)((x) > (y))) + + +#define DECLARE_BLOB_SYMBOLS(table_name, cmd_prefix) \ + int table_name ## _init(struct table_info *ti); \ + void table_name ## _shutdown(enum osl_close_flags flags); \ + int cmd_prefix ## _get_name_by_id(uint32_t id, char **name); \ + extern struct osl_table *table_name ## _table; + +DECLARE_BLOB_SYMBOLS(lyrics, lyr); +DECLARE_BLOB_SYMBOLS(images, img); +DECLARE_BLOB_SYMBOLS(moods, mood); +DECLARE_BLOB_SYMBOLS(playlists, pl); + +enum blob_table_columns {BLOBCOL_ID, BLOBCOL_NAME, BLOBCOL_DEF, NUM_BLOB_COLUMNS}; +#define DEFINE_BLOB_TABLE_DESC(table_name) \ + const struct osl_table_description table_name ## _table_desc = { \ + .dir = DATABASE_DIR, \ + .name = #table_name, \ + .num_columns = NUM_BLOB_COLUMNS, \ + .flags = OSL_LARGE_TABLE, \ + .column_descriptions = blob_cols \ + }; + +#define DEFINE_BLOB_TABLE_PTR(table_name) struct osl_table *table_name ## _table; + +#define INIT_BLOB_TABLE(table_name) \ + DEFINE_BLOB_TABLE_DESC(table_name); \ + DEFINE_BLOB_TABLE_PTR(table_name);