2 * Copyright (C) 2007 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file afs.c Paraslash's audio file selector. */
11 #include "server.cmdline.h"
16 #include <dirent.h> /* readdir() */
28 /** The osl tables used by afs. \sa blob.c. */
30 /** Contains audio file information. See aft.c. */
32 /** The table for the paraslash attributes. See attribute.c. */
35 * Paraslash's scoring system is based on Gaussian normal
36 * distributions, and the relevant data is stored in the rbtrees of an
37 * osl table containing only volatile columns. See score.c for
42 * A standard blob table containing the mood definitions. For details
46 /** A blob table containing lyrics on a per-song basis. */
48 /** Another blob table for images (for example album cover art). */
50 /** Yet another blob table for storing standard playlists. */
52 /** How many tables are in use? */
56 static struct table_info afs_tables
[NUM_AFS_TABLES
];
59 /** The file descriptor for the local socket. */
62 * Value sent by the command handlers to identify themselves as
63 * children of the running para_server.
66 /** The associated task structure. */
71 * A random number used to "authenticate" the connection.
73 * para_server picks this number by random before forking the afs process. The
74 * command handlers write this number together with the id of the shared memory
75 * area containing the query. This way, a malicious local user has to know this
76 * number to be able to cause the afs process to crash by sending fake queries.
78 extern uint32_t afs_socket_cookie
;
81 * Struct to let command handlers execute a callback in afs context.
83 * Commands that need to change the state of afs can't change the relevant data
84 * structures directly because commands are executed in a child process, i.e.
85 * they get their own virtual address space.
87 * This structure is used by \p send_callback_request() (executed from handler
88 * context) in order to let the afs process call the specified function. An
89 * instance of that structure is written to a shared memory area together with
90 * the arguments to the callback function. The identifier of the shared memory
91 * area is written to the command socket.
93 * The afs process accepts connections on the command socket and reads the
94 * shared memory id, attaches the corresponing area, calls the given handler to
95 * perform the desired action and to optionally compute a result.
97 * The result and a \p callback_result structure is then written to another
98 * shared memory area. The identifier for that area is written to the handler's
99 * command socket, so that the handler process can read the id, attach the
100 * shared memory area and use the result.
102 * \sa struct callback_result.
104 struct callback_query
{
105 /** The function to be called. */
106 callback_function
*handler
;
107 /** The number of bytes of the query */
112 * Structure embedded in the result of a callback.
114 * If the callback produced a result, an instance of that structure is embeeded
115 * into the shared memory area holding the result, mainly to let the command
116 * handler know the size of the result.
118 * \sa struct callback_query.
120 struct callback_result
{
121 /** The number of bytes of the result. */
126 * Ask the parent process to call a given function.
128 * \param f The function to be called.
129 * \param query Pointer to arbitrary data for the callback.
130 * \param result Callback result will be stored here.
132 * This function creates a shared memory area, copies the buffer pointed to by
133 * \a buf to that area and notifies the afs process that \a f should be
136 * \return Negative, on errors, the return value of the callback function
139 * \sa send_option_arg_callback_request(), send_standard_callback_request().
141 int send_callback_request(callback_function
*f
, struct osl_object
*query
,
142 struct osl_object
*result
)
144 struct callback_query
*cq
;
145 struct callback_result
*cr
;
146 int ret
, fd
= -1, query_shmid
, result_shmid
;
147 void *query_shm
, *result_shm
;
148 char buf
[sizeof(afs_socket_cookie
) + sizeof(int)];
149 struct sockaddr_un unix_addr
;
150 size_t query_shm_size
= sizeof(*cq
);
153 query_shm_size
+= query
->size
;
154 ret
= shm_new(query_shm_size
);
158 ret
= shm_attach(query_shmid
, ATTACH_RW
, &query_shm
);
163 cq
->query_size
= query_shm_size
- sizeof(*cq
);
166 memcpy(query_shm
+ sizeof(*cq
), query
->data
, query
->size
);
167 ret
= shm_detach(query_shm
);
171 *(uint32_t *) buf
= afs_socket_cookie
;
172 *(int *) (buf
+ sizeof(afs_socket_cookie
)) = query_shmid
;
174 ret
= get_stream_socket(PF_UNIX
);
178 ret
= init_unix_addr(&unix_addr
, conf
.afs_socket_arg
);
181 ret
= PARA_CONNECT(fd
, &unix_addr
);
184 ret
= send_bin_buffer(fd
, buf
, sizeof(buf
));
187 ret
= recv_bin_buffer(fd
, buf
, sizeof(buf
));
190 if (ret
!= sizeof(int)) {
198 ret
= shm_attach(result_shmid
, ATTACH_RO
, &result_shm
);
202 result
->size
= cr
->result_size
;
203 result
->data
= para_malloc(result
->size
);
204 memcpy(result
->data
, result_shm
+ sizeof(*cr
), result
->size
);
205 ret
= shm_detach(result_shm
);
207 PARA_ERROR_LOG("can not detach result\n");
209 PARA_ERROR_LOG("attach result failed: %d\n", ret
);
210 if (shm_destroy(result_shmid
) < 0)
211 PARA_ERROR_LOG("destroy result failed\n");
214 if (shm_destroy(query_shmid
) < 0)
215 PARA_ERROR_LOG("%s\n", "shm destroy error");
218 // PARA_DEBUG_LOG("callback_ret: %d\n", ret);
223 * Send a callback request passing an options structure and an argument vector.
225 * \param options pointer to an arbitrary data structure.
226 * \param argc Argument count.
227 * \param argv Standard argument vector.
228 * \param f The callback function.
229 * \param result The result of the query is stored here.
231 * Some commands have a couple of options that are parsed in child context for
232 * syntactic correctness and are stored in a special options structure for that
233 * command. This function allows to pass such a structure together with a list
234 * of further arguments (often a list of audio files) to the parent process.
236 * \sa send_standard_callback_request(), send_callback_request().
238 int send_option_arg_callback_request(struct osl_object
*options
,
239 int argc
, char * const * const argv
, callback_function
*f
,
240 struct osl_object
*result
)
244 struct osl_object query
= {.size
= options
? options
->size
: 0};
246 for (i
= 0; i
< argc
; i
++)
247 query
.size
+= strlen(argv
[i
]) + 1;
248 query
.data
= para_malloc(query
.size
);
251 memcpy(query
.data
, options
->data
, options
->size
);
254 for (i
= 0; i
< argc
; i
++) {
255 strcpy(p
, argv
[i
]); /* OK */
256 p
+= strlen(argv
[i
]) + 1;
258 ret
= send_callback_request(f
, &query
, result
);
264 * Send a callback request with an argument vector only.
266 * \param argc The same meaning as in send_option_arg_callback_request().
267 * \param argv The same meaning as in send_option_arg_callback_request().
268 * \param f The same meaning as in send_option_arg_callback_request().
269 * \param result The same meaning as in send_option_arg_callback_request().
271 * This is similar to send_option_arg_callback_request(), but no options buffer
272 * is passed to the parent process.
274 * \return The return value of the underlying call to
275 * send_option_arg_callback_request().
277 int send_standard_callback_request(int argc
, char * const * const argv
,
278 callback_function
*f
, struct osl_object
*result
)
280 return send_option_arg_callback_request(NULL
, argc
, argv
, f
, result
);
283 static int action_if_pattern_matches(struct osl_row
*row
, void *data
)
285 struct pattern_match_data
*pmd
= data
;
286 struct osl_object name_obj
;
287 const char *p
, *name
;
288 int ret
= osl_get_object(pmd
->table
, row
, pmd
->match_col_num
, &name_obj
);
289 const char *pattern_txt
= (const char *)pmd
->patterns
.data
;
293 name
= (char *)name_obj
.data
;
294 if ((!name
|| !*name
) && (pmd
->pm_flags
& PM_SKIP_EMPTY_NAME
))
296 if (!pmd
->patterns
.size
&& (pmd
->pm_flags
& PM_NO_PATTERN_MATCHES_EVERYTHING
))
297 return pmd
->action(pmd
->table
, row
, name
, pmd
->data
);
298 for (p
= pattern_txt
; p
< pattern_txt
+ pmd
->patterns
.size
;
299 p
+= strlen(p
) + 1) {
300 ret
= fnmatch(p
, name
, pmd
->fnmatch_flags
);
301 if (ret
== FNM_NOMATCH
)
305 return pmd
->action(pmd
->table
, row
, name
, pmd
->data
);
310 int for_each_matching_row(struct pattern_match_data
*pmd
)
312 if (pmd
->pm_flags
& PM_REVERSE_LOOP
)
313 return osl_rbtree_loop_reverse(pmd
->table
, pmd
->loop_col_num
, pmd
,
314 action_if_pattern_matches
);
315 return osl_rbtree_loop(pmd
->table
, pmd
->loop_col_num
, pmd
,
316 action_if_pattern_matches
);
320 * Compare two osl objects of string type.
322 * \param obj1 Pointer to the first object.
323 * \param obj2 Pointer to the second object.
325 * In any case, only \p MIN(obj1->size, obj2->size) characters of each string
326 * are taken into account.
328 * \return It returns an integer less than, equal to, or greater than zero if
329 * \a obj1 is found, respectively, to be less than, to match, or be greater than
332 * \sa strcmp(3), strncmp(3), osl_compare_func.
334 int string_compare(const struct osl_object
*obj1
, const struct osl_object
*obj2
)
336 const char *str1
= (const char *)obj1
->data
;
337 const char *str2
= (const char *)obj2
->data
;
338 return strncmp(str1
, str2
, PARA_MIN(obj1
->size
, obj2
->size
));
342 * write input from fd to dynamically allocated buffer,
343 * but maximal max_size byte.
345 static int fd2buf(int fd
, unsigned max_size
, struct osl_object
*obj
)
347 const size_t chunk_size
= 1024;
348 size_t size
= 2048, received
= 0;
350 char *buf
= para_malloc(size
);
353 ret
= recv_bin_buffer(fd
, buf
+ received
, chunk_size
);
357 if (received
+ chunk_size
>= size
) {
359 ret
= -E_INPUT_TOO_LARGE
;
362 buf
= para_realloc(buf
, size
);
366 obj
->size
= received
;
373 * Read data from a file descriptor, and send it to the afs process.
375 * \param fd File descriptor to read data from.
376 * \param arg_obj Pointer to the arguments to \a f.
377 * \param f The callback function.
378 * \param max_len Don't read more than that many bytes from stdin.
379 * \param result The result of the query is stored here.
381 * This function is used by commands that wish to let para_server store
382 * arbitrary data specified by the user (for instance the add_blob family of
383 * commands). First, at most \a max_len bytes are read from \a fd, the result
384 * is concatenated with the buffer given by \a arg_obj, and the combined buffer
385 * is made available to the parent process via shared memory.
387 * \return Negative on errors, the return value of the underlying call to
388 * send_callback_request() otherwise.
390 int stdin_command(int fd
, struct osl_object
*arg_obj
, callback_function
*f
,
391 unsigned max_len
, struct osl_object
*result
)
393 struct osl_object query
, stdin_obj
;
396 ret
= send_buffer(fd
, AWAITING_DATA_MSG
);
399 ret
= fd2buf(fd
, max_len
, &stdin_obj
);
402 query
.size
= arg_obj
->size
+ stdin_obj
.size
;
403 query
.data
= para_malloc(query
.size
);
404 memcpy(query
.data
, arg_obj
->data
, arg_obj
->size
);
405 memcpy((char *)query
.data
+ arg_obj
->size
, stdin_obj
.data
, stdin_obj
.size
);
406 free(stdin_obj
.data
);
407 ret
= send_callback_request(f
, &query
, result
);
413 * Open the audio file with highest score.
415 * \param afd Audio file data is returned here.
417 * This stores all information for streaming the "best" audio file
418 * in the \a afd structure.
420 * \return Positive on success, negative on errors.
422 * \sa close_audio_file(), open_and_update_audio_file().
424 int open_next_audio_file(struct audio_file_data
*afd
)
426 struct osl_row
*aft_row
;
429 ret
= score_get_best(&aft_row
, &afd
->score
);
432 ret
= open_and_update_audio_file(aft_row
, afd
);
439 * Free all resources which were allocated by open_next_audio_file().
441 * \param afd The structure previously filled in by open_next_audio_file().
443 * \return The return value of the underlying call to para_munmap().
445 * \sa open_next_audio_file().
447 int close_audio_file(struct audio_file_data
*afd
)
449 free(afd
->afhi
.chunk_table
);
450 return para_munmap(afd
->map
.data
, afd
->map
.size
);
454 static void play_loop(enum play_mode current_play_mode
)
457 struct audio_file_data afd
;
459 afd
.current_play_mode
= current_play_mode
;
460 for (i
= 0; i
< 0; i
++) {
461 ret
= open_next_audio_file(&afd
);
463 PARA_ERROR_LOG("failed to open next audio file: %d\n", ret
);
466 PARA_NOTICE_LOG("next audio file: %s, score: %li\n", afd
.path
, afd
.score
);
468 close_audio_file(&afd
);
474 static enum play_mode
init_admissible_files(void)
477 char *given_mood
, *given_playlist
;
479 given_mood
= "mood_that_was_given_at_the_command_line";
480 given_playlist
= "given_playlist";
483 ret
= change_current_mood(given_mood
);
486 PARA_WARNING_LOG("ignoring playlist %s\n",
488 return PLAY_MODE_MOOD
;
491 if (given_playlist
) {
492 ret
= playlist_open(given_playlist
);
494 return PLAY_MODE_PLAYLIST
;
496 ret
= change_current_mood(NULL
); /* open first available mood */
498 return PLAY_MODE_MOOD
;
499 change_current_mood(""); /* open dummy mood, always successful */
500 return PLAY_MODE_MOOD
;
503 static int setup_command_socket_or_die(void)
506 char *socket_name
= conf
.afs_socket_arg
;
507 struct sockaddr_un unix_addr
;
510 ret
= create_local_socket(socket_name
, &unix_addr
,
511 S_IRUSR
| S_IWUSR
| S_IRGRP
| S_IWGRP
| S_IWOTH
);
513 PARA_EMERG_LOG("%s: %s\n", PARA_STRERROR(-ret
), socket_name
);
516 if (listen(ret
, 5) < 0) {
517 PARA_EMERG_LOG("%s", "can not listen on socket\n");
520 PARA_INFO_LOG("listening on command socket %s (fd %d)\n", socket_name
,
525 static int server_socket
;
526 static struct command_task command_task_struct
;
527 static struct signal_task signal_task_struct
;
529 static void unregister_tasks(void)
531 unregister_task(&command_task_struct
.task
);
532 unregister_task(&signal_task_struct
.task
);
535 static void close_afs_tables(enum osl_close_flags flags
)
537 PARA_NOTICE_LOG("closing afs_tables\n");
538 score_shutdown(flags
);
539 attribute_shutdown(flags
);
540 close_current_mood();
542 moods_shutdown(flags
);
543 playlists_shutdown(flags
);
544 lyrics_shutdown(flags
);
545 images_shutdown(flags
);
549 static void signal_pre_select(struct sched
*s
, struct task
*t
)
551 struct signal_task
*st
= t
->private_data
;
553 para_fd_set(st
->fd
, &s
->rfds
, &s
->max_fileno
);
556 static void signal_post_select(struct sched
*s
, struct task
*t
)
558 struct signal_task
*st
= t
->private_data
;
560 if (!FD_ISSET(st
->fd
, &s
->rfds
))
562 st
->signum
= para_next_signal();
564 if (st
->signum
== SIGUSR1
)
565 return; /* ignore SIGUSR1 */
566 PARA_NOTICE_LOG("caught signal %d\n", st
->signum
);
567 t
->ret
= -E_SIGNAL_CAUGHT
;
571 static void register_signal_task(void)
573 struct signal_task
*st
= &signal_task_struct
;
574 st
->fd
= para_signal_init();
575 PARA_INFO_LOG("signal pipe: fd %d\n", st
->fd
);
576 para_install_sighandler(SIGINT
);
577 para_install_sighandler(SIGTERM
);
578 para_install_sighandler(SIGPIPE
);
580 st
->task
.pre_select
= signal_pre_select
;
581 st
->task
.post_select
= signal_post_select
;
582 st
->task
.private_data
= st
;
583 sprintf(st
->task
.status
, "signal task");
584 register_task(&st
->task
);
587 static struct list_head afs_client_list
;
590 struct list_head node
;
592 struct timeval connect_time
;
595 static void command_pre_select(struct sched
*s
, struct task
*t
)
597 struct command_task
*ct
= t
->private_data
;
598 struct afs_client
*client
;
600 para_fd_set(ct
->fd
, &s
->rfds
, &s
->max_fileno
);
601 list_for_each_entry(client
, &afs_client_list
, node
)
602 para_fd_set(client
->fd
, &s
->rfds
, &s
->max_fileno
);
607 * On errors, negative value is written to fd.
608 * On success: If query produced a result, the result_shmid is written to fd.
609 * Otherwise, zero is written.
611 static int call_callback(int fd
, int query_shmid
)
613 void *query_shm
, *result_shm
;
614 struct callback_query
*cq
;
615 struct callback_result
*cr
;
616 struct osl_object query
, result
= {.data
= NULL
};
617 int result_shmid
= -1, ret
, ret2
;
619 ret
= shm_attach(query_shmid
, ATTACH_RW
, &query_shm
);
623 query
.data
= (char *)query_shm
+ sizeof(*cq
);
624 query
.size
= cq
->query_size
;
625 ret
= cq
->handler(&query
, &result
);
626 ret2
= shm_detach(query_shm
);
627 if (ret2
< 0 && ret
>= 0)
632 if (!result
.data
|| !result
.size
)
634 ret
= shm_new(result
.size
+ sizeof(struct callback_result
));
638 ret
= shm_attach(result_shmid
, ATTACH_RW
, &result_shm
);
642 cr
->result_size
= result
.size
;
643 memcpy(result_shm
+ sizeof(*cr
), result
.data
, result
.size
);
644 ret
= shm_detach(result_shm
);
650 ret2
= send_bin_buffer(fd
, (char *)&ret
, sizeof(int));
651 if (ret
< 0 || ret2
< 0) {
652 if (result_shmid
>= 0)
653 if (shm_destroy(result_shmid
) < 0)
654 PARA_ERROR_LOG("destroy result failed\n");
661 static void execute_afs_command(int fd
, uint32_t expected_cookie
)
665 char buf
[sizeof(cookie
) + sizeof(query_shmid
)];
666 int ret
= recv_bin_buffer(fd
, buf
, sizeof(buf
));
669 PARA_NOTICE_LOG("%s\n", PARA_STRERROR(-ret
));
672 if (ret
!= sizeof(buf
)) {
673 PARA_NOTICE_LOG("short read (%d bytes, expected %lu)\n",
674 ret
, (long unsigned) sizeof(buf
));
677 cookie
= *(uint32_t *)buf
;
678 if (cookie
!= expected_cookie
) {
679 PARA_NOTICE_LOG("received invalid cookie(got %u, expected %u)\n",
680 (unsigned)cookie
, (unsigned)expected_cookie
);
683 query_shmid
= *(int *)(buf
+ sizeof(cookie
));
684 if (query_shmid
< 0) {
685 PARA_WARNING_LOG("received invalid query shmid %d)\n",
689 /* Ignore return value: Errors might be ok here. */
690 call_callback(fd
, query_shmid
);
693 #define AFS_CLIENT_TIMEOUT 3
695 static void command_post_select(struct sched
*s
, struct task
*t
)
697 struct command_task
*ct
= t
->private_data
;
698 struct sockaddr_un unix_addr
;
699 struct afs_client
*client
, *tmp
;
701 /* First, check the list of connected clients. */
702 list_for_each_entry_safe(client
, tmp
, &afs_client_list
, node
) {
703 if (FD_ISSET(client
->fd
, &s
->rfds
))
704 execute_afs_command(client
->fd
, ct
->cookie
);
705 else { /* prevent bogus connection flodding */
707 tv_diff(now
, &client
->connect_time
, &diff
);
708 if (diff
.tv_sec
< AFS_CLIENT_TIMEOUT
)
710 PARA_WARNING_LOG("connection timeout\n");
713 list_del(&client
->node
);
716 /* Next, accept connections on the local socket. */
717 if (!FD_ISSET(ct
->fd
, &s
->rfds
))
719 t
->ret
= para_accept(ct
->fd
, &unix_addr
, sizeof(unix_addr
));
721 PARA_NOTICE_LOG("%s\n", PARA_STRERROR(-t
->ret
));
724 client
= para_malloc(sizeof(*client
));
726 client
->connect_time
= *now
;
727 para_list_add(&client
->node
, &afs_client_list
);
732 static void register_command_task(uint32_t cookie
)
734 struct command_task
*ct
= &command_task_struct
;
735 ct
->fd
= setup_command_socket_or_die();
738 ct
->task
.pre_select
= command_pre_select
;
739 ct
->task
.post_select
= command_post_select
;
740 ct
->task
.private_data
= ct
;
741 sprintf(ct
->task
.status
, "command task");
742 register_task(&ct
->task
);
745 void register_tasks(uint32_t cookie
)
747 register_signal_task();
748 register_command_task(cookie
);
751 static char *database_dir
;
753 static int make_database_dir(void)
758 if (conf
.afs_database_dir_given
)
759 database_dir
= para_strdup(conf
.afs_database_dir_arg
);
761 char *home
= para_homedir();
762 database_dir
= make_message(
763 "%s/.paraslash/afs_database", home
);
767 PARA_INFO_LOG("afs_database dir %s\n", database_dir
);
768 ret
= para_mkdir(database_dir
, 0777);
769 if (ret
>= 0 || ret
== -E_EXIST
)
776 static int open_afs_tables(void)
778 int ret
= make_database_dir();
782 ret
= attribute_init(&afs_tables
[TBLNUM_ATTRIBUTES
], database_dir
);
785 ret
= moods_init(&afs_tables
[TBLNUM_MOODS
], database_dir
);
787 goto moods_init_error
;
788 ret
= playlists_init(&afs_tables
[TBLNUM_PLAYLIST
], database_dir
);
790 goto playlists_init_error
;
791 ret
= lyrics_init(&afs_tables
[TBLNUM_LYRICS
], database_dir
);
793 goto lyrics_init_error
;
794 ret
= images_init(&afs_tables
[TBLNUM_IMAGES
], database_dir
);
796 goto images_init_error
;
797 ret
= score_init(&afs_tables
[TBLNUM_SCORES
], database_dir
);
799 goto score_init_error
;
800 ret
= aft_init(&afs_tables
[TBLNUM_AUDIO_FILES
], database_dir
);
806 score_shutdown(OSL_MARK_CLEAN
);
808 images_shutdown(OSL_MARK_CLEAN
);
810 lyrics_shutdown(OSL_MARK_CLEAN
);
812 playlists_shutdown(OSL_MARK_CLEAN
);
813 playlists_init_error
:
814 moods_shutdown(OSL_MARK_CLEAN
);
816 attribute_shutdown(OSL_MARK_CLEAN
);
820 __noreturn
int afs_init(uint32_t cookie
, int socket_fd
)
822 enum play_mode current_play_mode
;
826 INIT_LIST_HEAD(&afs_client_list
);
827 ret
= open_afs_tables();
830 PARA_EMERG_LOG("%s\n", PARA_STRERROR(-ret
));
833 server_socket
= socket_fd
;
834 ret
= mark_fd_nonblock(server_socket
);
837 PARA_INFO_LOG("server_socket: %d, afs_socket_cookie: %u\n",
838 server_socket
, (unsigned) cookie
);
839 current_play_mode
= init_admissible_files();
840 register_tasks(cookie
);
841 s
.default_timeout
.tv_sec
= 0;
842 s
.default_timeout
.tv_usec
= 99 * 1000;
845 PARA_EMERG_LOG("%s\n", PARA_STRERROR(-ret
));
846 close_afs_tables(OSL_MARK_CLEAN
);
850 static int create_tables_callback(const struct osl_object
*query
,
851 __a_unused
struct osl_object
*result
)
853 uint32_t table_mask
= *(uint32_t *)query
->data
;
856 close_afs_tables(OSL_MARK_CLEAN
);
857 for (i
= 0; i
< NUM_AFS_TABLES
; i
++) {
858 struct table_info
*ti
= afs_tables
+ i
;
860 if (ti
->flags
& TBLFLAG_SKIP_CREATE
)
862 if (!(table_mask
& (1 << i
)))
864 ret
= osl_create_table(ti
->desc
);
868 ret
= open_afs_tables();
869 return ret
< 0? ret
: 0;
872 int com_init(int fd
, int argc
, char * const * const argv
)
875 uint32_t table_mask
= (1 << (NUM_AFS_TABLES
+ 1)) - 1;
876 struct osl_object query
= {.data
= &table_mask
,
877 .size
= sizeof(table_mask
)};
881 for (i
= 1; i
< argc
; i
++) {
882 for (j
= 0; j
< NUM_AFS_TABLES
; j
++) {
883 struct table_info
*ti
= afs_tables
+ j
;
885 if (ti
->flags
& TBLFLAG_SKIP_CREATE
)
887 if (strcmp(argv
[i
], ti
->desc
->name
))
889 table_mask
|= (1 << j
);
892 if (j
== NUM_AFS_TABLES
)
893 return -E_BAD_TABLE_NAME
;
896 ret
= send_callback_request(create_tables_callback
, &query
, NULL
);
899 return send_va_buffer(fd
, "successfully created afs table(s)\n");
902 enum com_check_flags
{
908 int com_check(int fd
, int argc
, char * const * const argv
)
912 struct osl_object result
;
914 for (i
= 1; i
< argc
; i
++) {
915 const char *arg
= argv
[i
];
918 if (!strcmp(arg
, "--")) {
922 if (!strcmp(arg
, "-a")) {
926 if (!strcmp(arg
, "-p")) {
927 flags
|= CHECK_PLAYLISTS
;
930 if (!strcmp(arg
, "-m")) {
931 flags
|= CHECK_MOODS
;
934 return -E_AFS_SYNTAX
;
937 return -E_AFS_SYNTAX
;
940 if (flags
& CHECK_AFT
) {
941 ret
= send_callback_request(aft_check_callback
, NULL
, &result
);
945 ret
= send_buffer(fd
, (char *) result
.data
);
951 if (flags
& CHECK_PLAYLISTS
) {
952 ret
= send_callback_request(playlist_check_callback
, NULL
, &result
);
956 ret
= send_buffer(fd
, (char *) result
.data
);
962 if (flags
& CHECK_MOODS
) {
963 ret
= send_callback_request(mood_check_callback
, NULL
, &result
);
967 ret
= send_buffer(fd
, (char *) result
.data
);