afs: Provide generic counter for matching rows.
[paraslash.git] / blob.c
1 /*
2 * Copyright (C) 2007-2011 Andre Noll <maan@systemlinux.org>
3 *
4 * Licensed under the GPL v2. For licencing details see COPYING.
5 */
6
7 /** \file blob.c Macros and functions for blob handling. */
8
9 #include <regex.h>
10 #include <fnmatch.h>
11 #include <osl.h>
12
13 #include "para.h"
14 #include "error.h"
15 #include "crypt.h"
16 #include "string.h"
17 #include "afh.h"
18 #include "afs.h"
19 #include "ipc.h"
20 #include "portable_io.h"
21
22 /**
23 * Compare two osl objects pointing to unsigned integers of 32 bit size.
24 *
25 * \param obj1 Pointer to the first integer.
26 * \param obj2 Pointer to the second integer.
27 *
28 * \return The values required for an osl compare function.
29 *
30 * \sa osl_compare_func, osl_hash_compare().
31 */
32 static int uint32_compare(const struct osl_object *obj1, const struct osl_object *obj2)
33 {
34 uint32_t d1 = read_u32((const char *)obj1->data);
35 uint32_t d2 = read_u32((const char *)obj2->data);
36
37 if (d1 < d2)
38 return 1;
39 if (d1 > d2)
40 return -1;
41 return 0;
42 }
43
44 static struct osl_column_description blob_cols[] = {
45 [BLOBCOL_ID] = {
46 .storage_type = OSL_MAPPED_STORAGE,
47 .storage_flags = OSL_RBTREE | OSL_UNIQUE | OSL_FIXED_SIZE,
48 .name = "id",
49 .data_size = 4,
50 .compare_function = uint32_compare
51 },
52 [BLOBCOL_NAME] = {
53 .storage_type = OSL_MAPPED_STORAGE,
54 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
55 .name = "name",
56 .compare_function = string_compare
57 },
58 [BLOBCOL_DEF] = {
59 .storage_type = OSL_DISK_STORAGE,
60 .storage_flags = 0,
61 .name = "definition"
62 }
63 };
64
65 /** Define an osl table description for a blob table. */
66 #define DEFINE_BLOB_TABLE_DESC(table_name) \
67 struct osl_table_description table_name ## _table_desc = { \
68 .name = #table_name, \
69 .num_columns = NUM_BLOB_COLUMNS, \
70 .flags = OSL_LARGE_TABLE, \
71 .column_descriptions = blob_cols \
72 };
73
74 /** Define a pointer to an osl blob table with a canonical name. */
75 #define DEFINE_BLOB_TABLE_PTR(table_name) struct osl_table *table_name ## _table;
76
77
78 /** Define a blob table. */
79 #define INIT_BLOB_TABLE(table_name) \
80 DEFINE_BLOB_TABLE_DESC(table_name); \
81 DEFINE_BLOB_TABLE_PTR(table_name);
82
83 /* doxygen isn't smart enough to recognize these */
84 /** \cond blob_table */
85 INIT_BLOB_TABLE(lyrics);
86 INIT_BLOB_TABLE(images);
87 INIT_BLOB_TABLE(moods);
88 INIT_BLOB_TABLE(playlists);
89 /** \endcond blob_table */
90
91 /** Flags that may be passed to the \p ls functions of each blob type. */
92 enum blob_ls_flags {
93 /** List both id and name. */
94 BLOB_LS_FLAG_LONG = 1,
95 /** Reverse sort order. */
96 BLOB_LS_FLAG_REVERSE = 2,
97 /** Sort by id instead of name. */
98 BLOB_LS_FLAG_SORT_BY_ID = 4,
99 };
100
101 /** Structure passed to the \p print_blob function. */
102 struct lsblob_action_data {
103 /** The flags given at the command line. */
104 uint32_t flags;
105 /** Message buffer. */
106 struct para_buffer pb;
107 };
108
109 static int print_blob(struct osl_table *table, struct osl_row *row,
110 const char *name, void *data)
111 {
112 struct lsblob_action_data *lbad = data;
113 struct osl_object obj;
114 uint32_t id;
115 int ret;
116
117 if (!(lbad->flags & BLOB_LS_FLAG_LONG))
118 return para_printf(&lbad->pb, "%s\n", name);
119 ret = osl(osl_get_object(table, row, BLOBCOL_ID, &obj));
120 if (ret < 0) {
121 para_printf(&lbad->pb, "%s: %s\n", name, para_strerror(-ret));
122 return ret;
123 }
124 id = *(uint32_t *)obj.data;
125 return para_printf(&lbad->pb, "%u\t%s\n", id, name);
126 }
127
128 static void com_lsblob_callback(struct osl_table *table,
129 int fd, const struct osl_object *query)
130 {
131 struct lsblob_action_data lbad = {
132 .flags = *(uint32_t *)query->data,
133 .pb = {
134 .max_size = shm_get_shmmax(),
135 .private_data = &fd,
136 .max_size_handler = pass_buffer_as_shm
137 }
138 };
139 struct pattern_match_data pmd = {
140 .table = table,
141 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
142 .size = query->size - sizeof(uint32_t)},
143 .pm_flags = PM_NO_PATTERN_MATCHES_EVERYTHING | PM_SKIP_EMPTY_NAME,
144 .match_col_num = BLOBCOL_NAME,
145 .data = &lbad,
146 .action = print_blob,
147 };
148 int ret;
149
150 if (lbad.flags & BLOB_LS_FLAG_REVERSE)
151 pmd.pm_flags |= PM_REVERSE_LOOP;
152 if (!(lbad.flags & BLOB_LS_FLAG_SORT_BY_ID))
153 pmd.loop_col_num = BLOBCOL_NAME;
154 else
155 pmd.loop_col_num = BLOBCOL_ID;
156 ret = for_each_matching_row(&pmd);
157 if (ret < 0)
158 para_printf(&lbad.pb, "%s\n", para_strerror(-ret));
159 if (lbad.pb.offset)
160 pass_buffer_as_shm(lbad.pb.buf, lbad.pb.offset, &fd);
161 free(lbad.pb.buf);
162 }
163
164 static int com_lsblob(callback_function *f, struct stream_cipher_context *scc, int argc, char * const * const argv)
165 {
166 uint32_t flags = 0;
167 struct osl_object options = {.data = &flags, .size = sizeof(flags)};
168 int i;
169
170 for (i = 1; i < argc; i++) {
171 const char *arg = argv[i];
172 if (arg[0] != '-')
173 break;
174 if (!strcmp(arg, "--")) {
175 i++;
176 break;
177 }
178 if (!strcmp(arg, "-l")) {
179 flags |= BLOB_LS_FLAG_LONG;
180 continue;
181 }
182 if (!strcmp(arg, "-i")) {
183 flags |= BLOB_LS_FLAG_SORT_BY_ID;
184 continue;
185 }
186 if (!strcmp(arg, "-r")) {
187 flags |= BLOB_LS_FLAG_REVERSE;
188 continue;
189 }
190 break;
191 }
192 // if (argc > i)
193 // return -E_BLOB_SYNTAX;
194 return send_option_arg_callback_request(&options, argc - i,
195 argv + i, f, sc_send_result, scc);
196 }
197
198 static int cat_blob(struct osl_table *table, struct osl_row *row,
199 __a_unused const char *name, void *data)
200 {
201 int ret = 0, ret2;
202 struct osl_object obj;
203
204 ret = osl(osl_open_disk_object(table, row, BLOBCOL_DEF, &obj));
205 if (ret < 0)
206 return ret;
207 if (obj.size)
208 ret = pass_buffer_as_shm(obj.data, obj.size, data);
209 ret2 = osl(osl_close_disk_object(&obj));
210 return (ret < 0)? ret : ret2;
211 }
212
213 static void com_catblob_callback(struct osl_table *table, int fd,
214 const struct osl_object *query)
215 {
216 struct pattern_match_data pmd = {
217 .table = table,
218 .patterns = *query,
219 .loop_col_num = BLOBCOL_NAME,
220 .match_col_num = BLOBCOL_NAME,
221 .pm_flags = PM_SKIP_EMPTY_NAME,
222 .data = &fd,
223 .action = cat_blob
224 };
225 for_each_matching_row(&pmd);
226 }
227
228 static int com_catblob(callback_function *f, struct stream_cipher_context *scc, int argc,
229 char * const * const argv)
230 {
231 if (argc < 2)
232 return -E_BLOB_SYNTAX;
233 return send_standard_callback_request(argc - 1, argv + 1, f,
234 sc_send_result, scc);
235 }
236
237 /** Used for removing rows from a blob table. */
238 struct rmblob_data {
239 /** Message buffer. */
240 struct para_buffer pb;
241 };
242
243 static int remove_blob(struct osl_table *table, struct osl_row *row,
244 const char *name, void *data)
245 {
246 struct rmblob_data *rmbd = data;
247 int ret = osl(osl_del_row(table, row));
248 if (ret < 0) {
249 para_printf(&rmbd->pb, "%s: %s\n", name, para_strerror(-ret));
250 return ret;
251 }
252 return 1;
253 }
254
255 static void com_rmblob_callback(struct osl_table *table, int fd,
256 const struct osl_object *query)
257 {
258 int ret, ret2 = 0;
259 struct rmblob_data rmbd = {
260 .pb = {
261 .max_size = shm_get_shmmax(),
262 .private_data = &fd,
263 .max_size_handler = pass_buffer_as_shm
264 }
265 };
266 struct pattern_match_data pmd = {
267 .table = table,
268 .patterns = *query,
269 .loop_col_num = BLOBCOL_NAME,
270 .match_col_num = BLOBCOL_NAME,
271 .pm_flags = PM_SKIP_EMPTY_NAME,
272 .data = &rmbd,
273 .action = remove_blob
274 };
275 ret = for_each_matching_row(&pmd);
276 if (ret < 0) {
277 ret2 = para_printf(&rmbd.pb, "%s\n", para_strerror(-ret));
278 if (ret2 < 0)
279 goto out;
280 }
281 if (pmd.num_matches == 0)
282 ret2 = para_printf(&rmbd.pb, "no matches, nothing removed\n");
283 else {
284 ret2 = para_printf(&rmbd.pb, "removed %d blobs\n", pmd.num_matches);
285 afs_event(BLOB_RENAME, NULL, table);
286 }
287 out:
288 if (ret2 >= 0 && rmbd.pb.offset)
289 pass_buffer_as_shm(rmbd.pb.buf, rmbd.pb.offset, &fd);
290 free(rmbd.pb.buf);
291 }
292
293 static int com_rmblob(callback_function *f, struct stream_cipher_context *scc, int argc,
294 char * const * const argv)
295 {
296 if (argc < 2)
297 return -E_MOOD_SYNTAX;
298 return send_option_arg_callback_request(NULL, argc - 1, argv + 1, f,
299 sc_send_result, scc);
300 }
301
302 static void com_addblob_callback(struct osl_table *table, __a_unused int fd,
303 const struct osl_object *query)
304 {
305 struct osl_object objs[NUM_BLOB_COLUMNS];
306 char *name = query->data;
307 size_t name_len = strlen(name) + 1;
308 uint32_t id;
309 unsigned num_rows;
310 int ret;
311
312 ret = osl(osl_get_num_rows(table, &num_rows));
313 if (ret < 0)
314 goto out;
315 if (!num_rows) { /* this is the first entry ever added */
316 /* insert dummy row containing the id */
317 id = 2; /* this entry will be entry #1, so 2 is the next */
318 objs[BLOBCOL_ID].data = &id;
319 objs[BLOBCOL_ID].size = sizeof(id);
320 objs[BLOBCOL_NAME].data = "";
321 objs[BLOBCOL_NAME].size = 1;
322 objs[BLOBCOL_DEF].data = "";
323 objs[BLOBCOL_DEF].size = 1;
324 ret = osl(osl_add_row(table, objs));
325 if (ret < 0)
326 goto out;
327 } else {
328 /* check if name already exists */
329 struct osl_row *row;
330 struct osl_object obj = {.data = name, .size = name_len};
331 ret = osl(osl_get_row(table, BLOBCOL_NAME, &obj, &row));
332 if (ret < 0 && ret != -OSL_ERRNO_TO_PARA_ERROR(E_OSL_RB_KEY_NOT_FOUND))
333 goto out;
334 if (ret >= 0) { /* we already have a blob with this name */
335 obj.data = name + name_len;
336 obj.size = query->size - name_len;
337 ret = osl(osl_update_object(table, row, BLOBCOL_DEF, &obj));
338 goto out;
339 }
340 /* new blob, get id of the dummy row and increment it */
341 obj.data = "";
342 obj.size = 1;
343 ret = osl(osl_get_row(table, BLOBCOL_NAME, &obj, &row));
344 if (ret < 0)
345 goto out;
346 ret = osl(osl_get_object(table, row, BLOBCOL_ID, &obj));
347 if (ret < 0)
348 goto out;
349 id = *(uint32_t *)obj.data + 1;
350 obj.data = &id;
351 ret = osl(osl_update_object(table, row, BLOBCOL_ID, &obj));
352 if (ret < 0)
353 goto out;
354 }
355 id--;
356 objs[BLOBCOL_ID].data = &id;
357 objs[BLOBCOL_ID].size = sizeof(id);
358 objs[BLOBCOL_NAME].data = name;
359 objs[BLOBCOL_NAME].size = name_len;
360 objs[BLOBCOL_DEF].data = name + name_len;
361 objs[BLOBCOL_DEF].size = query->size - name_len;
362 ret = osl(osl_add_row(table, objs));
363 if (ret < 0)
364 goto out;
365 afs_event(BLOB_ADD, NULL, table);
366 out:
367 if (ret < 0)
368 PARA_NOTICE_LOG("%s\n", para_strerror(-ret));
369 }
370
371 /*
372 * write input from fd to dynamically allocated buffer,
373 * but maximal max_size byte.
374 */
375 static int fd2buf(struct stream_cipher_context *scc, unsigned max_size, struct osl_object *obj)
376 {
377 const size_t chunk_size = 1024;
378 size_t size = 2048, received = 0;
379 int ret;
380 char *buf = para_malloc(size);
381
382 for (;;) {
383 ret = sc_recv_bin_buffer(scc, buf + received, chunk_size);
384 if (ret <= 0)
385 break;
386 received += ret;
387 if (received + chunk_size >= size) {
388 size *= 2;
389 ret = -E_INPUT_TOO_LARGE;
390 if (size > max_size)
391 break;
392 buf = para_realloc(buf, size);
393 }
394 }
395 obj->data = buf;
396 obj->size = received;
397 if (ret < 0)
398 free(buf);
399 return ret;
400 }
401
402 /*
403 * Read data from a file descriptor, and send it to the afs process.
404 *
405 * \param scc crypt context containing the file descriptor to read data from.
406 * \param arg_obj Pointer to the arguments to \a f.
407 * \param f The callback function.
408 * \param max_len Don't read more than that many bytes from stdin.
409 * \param result_handler See \ref send_callback_request.
410 * \param private_result_data See \ref send_callback_request.
411 *
412 * This function is used by commands that wish to let para_server store
413 * arbitrary data specified by the user (for instance the add_blob family of
414 * commands). First, at most \a max_len bytes are read and decrypted from the
415 * file descriptor given by \a scc. The result is concatenated with the buffer
416 * given by \a arg_obj, and the combined buffer is made available to the afs
417 * process via the callback method. See \ref send_callback_request for details.
418 *
419 * \return Negative on errors, the return value of the underlying call to
420 * send_callback_request() otherwise.
421 */
422 static int stdin_command(struct stream_cipher_context *scc, struct osl_object *arg_obj,
423 callback_function *f, unsigned max_len,
424 callback_result_handler *result_handler,
425 void *private_result_data)
426 {
427 struct osl_object query, stdin_obj;
428 int ret;
429
430 ret = sc_send_buffer(scc, AWAITING_DATA_MSG);
431 if (ret < 0)
432 return ret;
433 ret = fd2buf(scc, max_len, &stdin_obj);
434 if (ret < 0)
435 return ret;
436 query.size = arg_obj->size + stdin_obj.size;
437 query.data = para_malloc(query.size);
438 memcpy(query.data, arg_obj->data, arg_obj->size);
439 memcpy((char *)query.data + arg_obj->size, stdin_obj.data, stdin_obj.size);
440 free(stdin_obj.data);
441 ret = send_callback_request(f, &query, result_handler, private_result_data);
442 free(query.data);
443 return ret;
444 }
445
446 static int com_addblob(callback_function *f, struct stream_cipher_context *scc, int argc,
447 char * const * const argv)
448 {
449 struct osl_object arg_obj;
450
451 if (argc != 2)
452 return -E_BLOB_SYNTAX;
453 if (!*argv[1]) /* empty name is reserved for the dummy row */
454 return -E_BLOB_SYNTAX;
455 arg_obj.size = strlen(argv[1]) + 1;
456 arg_obj.data = (char *)argv[1];
457 return stdin_command(scc, &arg_obj, f, 10 * 1024 * 1024, NULL, NULL);
458 }
459
460 /* FIXME: Print output to client, not to log file */
461 static void com_mvblob_callback(struct osl_table *table, __a_unused int fd,
462 const struct osl_object *query)
463 {
464 char *src = (char *) query->data;
465 struct osl_object obj = {.data = src, .size = strlen(src) + 1};
466 char *dest = src + obj.size;
467 struct osl_row *row;
468 int ret = osl(osl_get_row(table, BLOBCOL_NAME, &obj, &row));
469
470 if (ret < 0)
471 goto out;
472 obj.data = dest;
473 obj.size = strlen(dest) + 1;
474 ret = osl(osl_update_object(table, row, BLOBCOL_NAME, &obj));
475 if (ret < 0)
476 goto out;
477 afs_event(BLOB_RENAME, NULL, table);
478 out:
479 if (ret < 0)
480 PARA_NOTICE_LOG("%s\n", para_strerror(-ret));
481 }
482
483 static int com_mvblob(callback_function *f, __a_unused struct stream_cipher_context *scc,
484 int argc, char * const * const argv)
485 {
486 if (argc != 3)
487 return -E_MOOD_SYNTAX;
488 return send_option_arg_callback_request(NULL, argc - 1, argv + 1, f,
489 NULL, NULL);
490 }
491
492 #define DEFINE_BLOB_COMMAND(cmd_name, table_name, cmd_prefix) \
493 static void com_ ## cmd_name ## cmd_prefix ## _callback(int fd, const struct osl_object *query) \
494 { \
495 return com_ ## cmd_name ## blob_callback(table_name ## _table, fd, query); \
496 } \
497 int com_ ## cmd_name ## cmd_prefix(struct stream_cipher_context *scc, int argc, char * const * const argv) \
498 { \
499 return com_ ## cmd_name ## blob(com_ ## cmd_name ## cmd_prefix ## _callback, scc, argc, argv); \
500 }
501
502 static int blob_get_name_by_id(struct osl_table *table, uint32_t id,
503 char **name)
504 {
505 struct osl_row *row;
506 struct osl_object obj = {.data = &id, .size = sizeof(id)};
507 int ret;
508
509 *name = NULL;
510 if (!id)
511 return 1;
512 ret = osl(osl_get_row(table, BLOBCOL_ID, &obj, &row));
513 if (ret < 0)
514 return ret;
515 ret = osl(osl_get_object(table, row, BLOBCOL_NAME, &obj));
516 if (ret < 0)
517 return ret;
518 *name = (char *)obj.data;
519 return 1;
520 }
521
522 /** Define the \p get_name_by_id function for this blob type. */
523 #define DEFINE_GET_NAME_BY_ID(table_name, cmd_prefix) \
524 int cmd_prefix ## _get_name_by_id(uint32_t id, char **name) \
525 { \
526 return blob_get_name_by_id(table_name ## _table, id, name); \
527 }
528
529
530 static int blob_get_def_by_name(struct osl_table *table, char *name,
531 struct osl_object *def)
532 {
533 struct osl_row *row;
534 struct osl_object obj = {.data = name, .size = strlen(name) + 1};
535 int ret;
536
537 def->data = NULL;
538 if (!*name)
539 return 1;
540 ret = osl(osl_get_row(table, BLOBCOL_NAME, &obj, &row));
541 if (ret < 0)
542 return ret;
543 return osl(osl_open_disk_object(table, row, BLOBCOL_DEF, def));
544 }
545
546 /** Define the \p get_def_by_id function for this blob type. */
547 #define DEFINE_GET_DEF_BY_NAME(table_name, cmd_prefix) \
548 int cmd_prefix ## _get_def_by_name(char *name, struct osl_object *def) \
549 { \
550 return blob_get_def_by_name(table_name ## _table, name, def); \
551 }
552
553 static int blob_get_def_by_id(struct osl_table *table, uint32_t id,
554 struct osl_object *def)
555 {
556 struct osl_row *row;
557 struct osl_object obj = {.data = &id, .size = sizeof(id)};
558 int ret;
559
560 def->data = NULL;
561 if (!id)
562 return 1;
563 ret = osl(osl_get_row(table, BLOBCOL_ID, &obj, &row));
564 if (ret < 0)
565 return ret;
566 return osl(osl_open_disk_object(table, row, BLOBCOL_DEF, def));
567 }
568
569 /** Define the \p get_def_by_id function for this blob type. */
570 #define DEFINE_GET_DEF_BY_ID(table_name, cmd_prefix) \
571 int cmd_prefix ## _get_def_by_id(uint32_t id, struct osl_object *def) \
572 { \
573 return blob_get_def_by_id(table_name ## _table, id, def); \
574 }
575
576 static int blob_get_name_and_def_by_row(struct osl_table *table,
577 const struct osl_row *row, char **name, struct osl_object *def)
578 {
579 struct osl_object obj;
580 int ret = osl(osl_get_object(table, row, BLOBCOL_NAME, &obj));
581 if (ret < 0)
582 return ret;
583 *name = obj.data;
584 return osl(osl_open_disk_object(table, row, BLOBCOL_DEF, def));
585 }
586 /** Define the \p get_name_and_def_by_row function for this blob type. */
587 #define DEFINE_GET_NAME_AND_DEF_BY_ROW(table_name, cmd_prefix) \
588 int cmd_prefix ## _get_name_and_def_by_row(const struct osl_row *row, \
589 char **name, struct osl_object *def) \
590 { \
591 return blob_get_name_and_def_by_row(table_name ## _table, \
592 row, name, def); \
593 }
594
595 /** Define the \p close function for this blob type. */
596 #define DEFINE_BLOB_CLOSE(table_name) \
597 static void table_name ## _close(void) \
598 { \
599 osl_close_table(table_name ## _table, OSL_MARK_CLEAN); \
600 table_name ## _table = NULL; \
601 }
602
603 /** Define the \p create function for this blob type. */
604 #define DEFINE_BLOB_CREATE(table_name) \
605 static int table_name ## _create(const char *dir) \
606 { \
607 table_name ## _table_desc.dir = dir; \
608 return osl_create_table(&table_name ## _table_desc); \
609 }
610
611 static int blob_open(struct osl_table **table,
612 struct osl_table_description *desc,
613 const char *dir)
614 {
615 int ret;
616 desc->dir = dir;
617 ret = osl(osl_open_table(desc, table));
618 if (ret >= 0)
619 return ret;
620 *table = NULL;
621 if (ret >= 0 || ret == -OSL_ERRNO_TO_PARA_ERROR(E_OSL_NOENT))
622 return 1;
623 return ret;
624 }
625
626 #define DEFINE_BLOB_OPEN(table_name) \
627 static int table_name ## _open(const char *dir) \
628 { \
629 return blob_open(&table_name ## _table, \
630 &table_name ## _table_desc, dir); \
631 }
632
633
634 /** Define the \p init function for this blob type. */
635 #define DEFINE_BLOB_INIT(table_name) \
636 void table_name ## _init(struct afs_table *t) \
637 { \
638 t->open = table_name ## _open; \
639 t->close = table_name ## _close; \
640 t->create = table_name ## _create;\
641 t->event_handler = table_name ##_event_handler; \
642 table_name ## _table = NULL; \
643 }
644
645
646 /** Define all functions for this blob type. */
647 #define DEFINE_BLOB_FUNCTIONS(table_name, cmd_prefix) \
648 DEFINE_BLOB_OPEN(table_name) \
649 DEFINE_BLOB_CLOSE(table_name) \
650 DEFINE_BLOB_CREATE(table_name) \
651 DEFINE_BLOB_INIT(table_name) \
652 DEFINE_BLOB_COMMAND(ls, table_name, cmd_prefix) \
653 DEFINE_BLOB_COMMAND(cat, table_name, cmd_prefix) \
654 DEFINE_BLOB_COMMAND(add, table_name, cmd_prefix) \
655 DEFINE_BLOB_COMMAND(rm, table_name, cmd_prefix) \
656 DEFINE_BLOB_COMMAND(mv, table_name, cmd_prefix) \
657 DEFINE_GET_NAME_BY_ID(table_name, cmd_prefix); \
658 DEFINE_GET_DEF_BY_ID(table_name, cmd_prefix); \
659 DEFINE_GET_DEF_BY_NAME(table_name, cmd_prefix); \
660 DEFINE_GET_NAME_AND_DEF_BY_ROW(table_name, cmd_prefix); \
661
662 /* doxygen isn't smart enough to recognize these */
663 /** \cond blob_function */
664 DEFINE_BLOB_FUNCTIONS(lyrics, lyr);
665 DEFINE_BLOB_FUNCTIONS(images, img);
666 DEFINE_BLOB_FUNCTIONS(moods, mood);
667 DEFINE_BLOB_FUNCTIONS(playlists, pl);
668 /** \endcond blob_function */