gui: Make some functions return void.
[paraslash.git] / blob.c
1 /*
2 * Copyright (C) 2007-2012 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 #include "command.h"
22
23 /**
24 * Compare two osl objects pointing to unsigned integers of 32 bit size.
25 *
26 * \param obj1 Pointer to the first integer.
27 * \param obj2 Pointer to the second integer.
28 *
29 * \return The values required for an osl compare function.
30 *
31 * \sa osl_compare_func, osl_hash_compare().
32 */
33 static int uint32_compare(const struct osl_object *obj1, const struct osl_object *obj2)
34 {
35 uint32_t d1 = read_u32((const char *)obj1->data);
36 uint32_t d2 = read_u32((const char *)obj2->data);
37
38 if (d1 < d2)
39 return 1;
40 if (d1 > d2)
41 return -1;
42 return 0;
43 }
44
45 static struct osl_column_description blob_cols[] = {
46 [BLOBCOL_ID] = {
47 .storage_type = OSL_MAPPED_STORAGE,
48 .storage_flags = OSL_RBTREE | OSL_UNIQUE | OSL_FIXED_SIZE,
49 .name = "id",
50 .data_size = 4,
51 .compare_function = uint32_compare
52 },
53 [BLOBCOL_NAME] = {
54 .storage_type = OSL_MAPPED_STORAGE,
55 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
56 .name = "name",
57 .compare_function = string_compare
58 },
59 [BLOBCOL_DEF] = {
60 .storage_type = OSL_DISK_STORAGE,
61 .storage_flags = 0,
62 .name = "definition"
63 }
64 };
65
66 /** Define an osl table description for a blob table. */
67 #define DEFINE_BLOB_TABLE_DESC(table_name) \
68 struct osl_table_description table_name ## _table_desc = { \
69 .name = #table_name, \
70 .num_columns = NUM_BLOB_COLUMNS, \
71 .flags = OSL_LARGE_TABLE, \
72 .column_descriptions = blob_cols \
73 };
74
75 /** Define a pointer to an osl blob table with a canonical name. */
76 #define DEFINE_BLOB_TABLE_PTR(table_name) struct osl_table *table_name ## _table;
77
78
79 /** Define a blob table. */
80 #define INIT_BLOB_TABLE(table_name) \
81 DEFINE_BLOB_TABLE_DESC(table_name); \
82 DEFINE_BLOB_TABLE_PTR(table_name);
83
84 /* doxygen isn't smart enough to recognize these */
85 /** \cond blob_table */
86 INIT_BLOB_TABLE(lyrics);
87 INIT_BLOB_TABLE(images);
88 INIT_BLOB_TABLE(moods);
89 INIT_BLOB_TABLE(playlists);
90 /** \endcond blob_table */
91
92 /** Flags that may be passed to the \p ls functions of each blob type. */
93 enum blob_ls_flags {
94 /** List both id and name. */
95 BLOB_LS_FLAG_LONG = 1,
96 /** Reverse sort order. */
97 BLOB_LS_FLAG_REVERSE = 2,
98 /** Sort by id instead of name. */
99 BLOB_LS_FLAG_SORT_BY_ID = 4,
100 };
101
102 /** Structure passed to the \p print_blob function. */
103 struct lsblob_action_data {
104 /** The flags given at the command line. */
105 uint32_t flags;
106 /** Message buffer. */
107 struct para_buffer pb;
108 };
109
110 static int print_blob(struct osl_table *table, struct osl_row *row,
111 const char *name, void *data)
112 {
113 struct lsblob_action_data *lbad = data;
114 struct osl_object obj;
115 uint32_t id;
116 int ret;
117
118 if (!(lbad->flags & BLOB_LS_FLAG_LONG))
119 return para_printf(&lbad->pb, "%s\n", name);
120 ret = osl(osl_get_object(table, row, BLOBCOL_ID, &obj));
121 if (ret < 0) {
122 para_printf(&lbad->pb, "%s: %s\n", name, para_strerror(-ret));
123 return ret;
124 }
125 id = *(uint32_t *)obj.data;
126 return para_printf(&lbad->pb, "%u\t%s\n", id, name);
127 }
128
129 static void com_lsblob_callback(struct osl_table *table,
130 int fd, const struct osl_object *query)
131 {
132 struct lsblob_action_data lbad = {
133 .flags = *(uint32_t *)query->data,
134 .pb = {
135 .max_size = shm_get_shmmax(),
136 .private_data = &fd,
137 .max_size_handler = pass_buffer_as_shm
138 }
139 };
140 struct pattern_match_data pmd = {
141 .table = table,
142 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
143 .size = query->size - sizeof(uint32_t)},
144 .pm_flags = PM_NO_PATTERN_MATCHES_EVERYTHING | PM_SKIP_EMPTY_NAME,
145 .match_col_num = BLOBCOL_NAME,
146 .data = &lbad,
147 .action = print_blob,
148 };
149 int ret;
150
151 if (lbad.flags & BLOB_LS_FLAG_REVERSE)
152 pmd.pm_flags |= PM_REVERSE_LOOP;
153 if (!(lbad.flags & BLOB_LS_FLAG_SORT_BY_ID))
154 pmd.loop_col_num = BLOBCOL_NAME;
155 else
156 pmd.loop_col_num = BLOBCOL_ID;
157 ret = for_each_matching_row(&pmd);
158 if (ret < 0)
159 para_printf(&lbad.pb, "%s\n", para_strerror(-ret));
160 else if (pmd.num_matches == 0 && pmd.patterns.size > 0)
161 para_printf(&lbad.pb, "no matches\n");
162 if (lbad.pb.offset)
163 pass_buffer_as_shm(lbad.pb.buf, lbad.pb.offset, &fd);
164 free(lbad.pb.buf);
165 }
166
167 static int com_lsblob(callback_function *f, struct command_context *cc)
168 {
169 uint32_t flags = 0;
170 struct osl_object options = {.data = &flags, .size = sizeof(flags)};
171 int i;
172
173 for (i = 1; i < cc->argc; i++) {
174 const char *arg = cc->argv[i];
175 if (arg[0] != '-')
176 break;
177 if (!strcmp(arg, "--")) {
178 i++;
179 break;
180 }
181 if (!strcmp(arg, "-l")) {
182 flags |= BLOB_LS_FLAG_LONG;
183 continue;
184 }
185 if (!strcmp(arg, "-i")) {
186 flags |= BLOB_LS_FLAG_SORT_BY_ID;
187 continue;
188 }
189 if (!strcmp(arg, "-r")) {
190 flags |= BLOB_LS_FLAG_REVERSE;
191 continue;
192 }
193 break;
194 }
195 // if (argc > i)
196 // return -E_BLOB_SYNTAX;
197 return send_option_arg_callback_request(&options, cc->argc - i,
198 cc->argv + i, f, sc_send_result, cc);
199 }
200
201 static int cat_blob(struct osl_table *table, struct osl_row *row,
202 __a_unused const char *name, void *data)
203 {
204 int ret = 0, ret2;
205 struct osl_object obj;
206
207 ret = osl(osl_open_disk_object(table, row, BLOBCOL_DEF, &obj));
208 if (ret < 0)
209 return (ret == osl(-E_OSL_EMPTY))? 0 : ret;
210 assert(obj.size > 0);
211 ret = pass_buffer_as_shm(obj.data, obj.size, data);
212 ret2 = osl(osl_close_disk_object(&obj));
213 return (ret < 0)? ret : ret2;
214 }
215
216 static void com_catblob_callback(struct osl_table *table, int fd,
217 const struct osl_object *query)
218 {
219 struct pattern_match_data pmd = {
220 .table = table,
221 .patterns = *query,
222 .loop_col_num = BLOBCOL_NAME,
223 .match_col_num = BLOBCOL_NAME,
224 .pm_flags = PM_SKIP_EMPTY_NAME,
225 .data = &fd,
226 .action = cat_blob
227 };
228 for_each_matching_row(&pmd);
229 if (pmd.num_matches == 0) {
230 char err_msg[] = "no matches\n";
231 pass_buffer_as_shm(err_msg, sizeof(err_msg), &fd);
232 }
233 }
234
235 static int com_catblob(callback_function *f, struct command_context *cc)
236 {
237 if (cc->argc < 2)
238 return -E_BLOB_SYNTAX;
239 return send_standard_callback_request(cc->argc - 1, cc->argv + 1, f,
240 sc_send_result, cc);
241 }
242
243 /** Used for removing rows from a blob table. */
244 struct rmblob_data {
245 /** Message buffer. */
246 struct para_buffer pb;
247 };
248
249 static int remove_blob(struct osl_table *table, struct osl_row *row,
250 const char *name, void *data)
251 {
252 struct rmblob_data *rmbd = data;
253 int ret = osl(osl_del_row(table, row));
254 if (ret < 0) {
255 para_printf(&rmbd->pb, "%s: %s\n", name, para_strerror(-ret));
256 return ret;
257 }
258 return 1;
259 }
260
261 static void com_rmblob_callback(struct osl_table *table, int fd,
262 const struct osl_object *query)
263 {
264 int ret, ret2 = 0;
265 struct rmblob_data rmbd = {
266 .pb = {
267 .max_size = shm_get_shmmax(),
268 .private_data = &fd,
269 .max_size_handler = pass_buffer_as_shm
270 }
271 };
272 struct pattern_match_data pmd = {
273 .table = table,
274 .patterns = *query,
275 .loop_col_num = BLOBCOL_NAME,
276 .match_col_num = BLOBCOL_NAME,
277 .pm_flags = PM_SKIP_EMPTY_NAME,
278 .data = &rmbd,
279 .action = remove_blob
280 };
281 ret = for_each_matching_row(&pmd);
282 if (ret < 0) {
283 ret2 = para_printf(&rmbd.pb, "%s\n", para_strerror(-ret));
284 if (ret2 < 0)
285 goto out;
286 }
287 if (pmd.num_matches == 0)
288 ret2 = para_printf(&rmbd.pb, "no matches, nothing removed\n");
289 else {
290 ret2 = para_printf(&rmbd.pb, "removed %d blobs\n", pmd.num_matches);
291 afs_event(BLOB_RENAME, NULL, table);
292 }
293 out:
294 if (ret2 >= 0 && rmbd.pb.offset)
295 pass_buffer_as_shm(rmbd.pb.buf, rmbd.pb.offset, &fd);
296 free(rmbd.pb.buf);
297 }
298
299 static int com_rmblob(callback_function *f, struct command_context *cc)
300 {
301 if (cc->argc < 2)
302 return -E_MOOD_SYNTAX;
303 return send_option_arg_callback_request(NULL, cc->argc - 1, cc->argv + 1, f,
304 sc_send_result, cc);
305 }
306
307 static void com_addblob_callback(struct osl_table *table, __a_unused int fd,
308 const struct osl_object *query)
309 {
310 struct osl_object objs[NUM_BLOB_COLUMNS];
311 char *name = query->data;
312 size_t name_len = strlen(name) + 1;
313 uint32_t id;
314 unsigned num_rows;
315 int ret;
316
317 ret = osl(osl_get_num_rows(table, &num_rows));
318 if (ret < 0)
319 goto out;
320 if (!num_rows) { /* this is the first entry ever added */
321 /* insert dummy row containing the id */
322 id = 2; /* this entry will be entry #1, so 2 is the next */
323 objs[BLOBCOL_ID].data = &id;
324 objs[BLOBCOL_ID].size = sizeof(id);
325 objs[BLOBCOL_NAME].data = "";
326 objs[BLOBCOL_NAME].size = 1;
327 objs[BLOBCOL_DEF].data = "";
328 objs[BLOBCOL_DEF].size = 1;
329 ret = osl(osl_add_row(table, objs));
330 if (ret < 0)
331 goto out;
332 } else {
333 /* check if name already exists */
334 struct osl_row *row;
335 struct osl_object obj = {.data = name, .size = name_len};
336 ret = osl(osl_get_row(table, BLOBCOL_NAME, &obj, &row));
337 if (ret < 0 && ret != -OSL_ERRNO_TO_PARA_ERROR(E_OSL_RB_KEY_NOT_FOUND))
338 goto out;
339 if (ret >= 0) { /* we already have a blob with this name */
340 obj.data = name + name_len;
341 obj.size = query->size - name_len;
342 ret = osl(osl_update_object(table, row, BLOBCOL_DEF, &obj));
343 goto out;
344 }
345 /* new blob, get id of the dummy row and increment it */
346 obj.data = "";
347 obj.size = 1;
348 ret = osl(osl_get_row(table, BLOBCOL_NAME, &obj, &row));
349 if (ret < 0)
350 goto out;
351 ret = osl(osl_get_object(table, row, BLOBCOL_ID, &obj));
352 if (ret < 0)
353 goto out;
354 id = *(uint32_t *)obj.data + 1;
355 obj.data = &id;
356 ret = osl(osl_update_object(table, row, BLOBCOL_ID, &obj));
357 if (ret < 0)
358 goto out;
359 }
360 id--;
361 objs[BLOBCOL_ID].data = &id;
362 objs[BLOBCOL_ID].size = sizeof(id);
363 objs[BLOBCOL_NAME].data = name;
364 objs[BLOBCOL_NAME].size = name_len;
365 objs[BLOBCOL_DEF].data = name + name_len;
366 objs[BLOBCOL_DEF].size = query->size - name_len;
367 ret = osl(osl_add_row(table, objs));
368 if (ret < 0)
369 goto out;
370 afs_event(BLOB_ADD, NULL, table);
371 out:
372 if (ret < 0)
373 PARA_NOTICE_LOG("%s\n", para_strerror(-ret));
374 }
375
376 /*
377 * write input from fd to dynamically allocated buffer,
378 * but maximal max_size byte.
379 */
380 static int fd2buf(struct stream_cipher_context *scc, unsigned max_size, struct osl_object *obj)
381 {
382 const size_t chunk_size = 1024;
383 size_t size = 2048, received = 0;
384 int ret;
385 char *buf = para_malloc(size);
386
387 for (;;) {
388 ret = sc_recv_bin_buffer(scc, buf + received, chunk_size);
389 if (ret <= 0)
390 break;
391 received += ret;
392 if (received + chunk_size >= size) {
393 size *= 2;
394 ret = -E_INPUT_TOO_LARGE;
395 if (size > max_size)
396 break;
397 buf = para_realloc(buf, size);
398 }
399 }
400 obj->data = buf;
401 obj->size = received;
402 if (ret < 0)
403 free(buf);
404 return ret;
405 }
406
407 /*
408 * Read data from a file descriptor, and send it to the afs process.
409 *
410 * \param scc crypt context containing the file descriptor to read data from.
411 * \param arg_obj Pointer to the arguments to \a f.
412 * \param f The callback function.
413 * \param max_len Don't read more than that many bytes from stdin.
414 * \param result_handler See \ref send_callback_request.
415 * \param private_result_data See \ref send_callback_request.
416 *
417 * This function is used by commands that wish to let para_server store
418 * arbitrary data specified by the user (for instance the add_blob family of
419 * commands). First, at most \a max_len bytes are read and decrypted from the
420 * file descriptor given by \a scc. The result is concatenated with the buffer
421 * given by \a arg_obj, and the combined buffer is made available to the afs
422 * process via the callback method. See \ref send_callback_request for details.
423 *
424 * \return Negative on errors, the return value of the underlying call to
425 * send_callback_request() otherwise.
426 */
427 static int stdin_command(struct command_context *cc, struct osl_object *arg_obj,
428 callback_function *f, unsigned max_len,
429 callback_result_handler *result_handler,
430 void *private_result_data)
431 {
432 struct osl_object query, stdin_obj;
433 int ret;
434
435 ret = sc_send_buffer(&cc->scc, AWAITING_DATA_MSG);
436 if (ret < 0)
437 return ret;
438 ret = fd2buf(&cc->scc, max_len, &stdin_obj);
439 if (ret < 0)
440 return ret;
441 query.size = arg_obj->size + stdin_obj.size;
442 query.data = para_malloc(query.size);
443 memcpy(query.data, arg_obj->data, arg_obj->size);
444 memcpy((char *)query.data + arg_obj->size, stdin_obj.data, stdin_obj.size);
445 free(stdin_obj.data);
446 ret = send_callback_request(f, &query, result_handler, private_result_data);
447 free(query.data);
448 return ret;
449 }
450
451 static int com_addblob(callback_function *f, struct command_context *cc)
452 {
453 struct osl_object arg_obj;
454
455 if (cc->argc != 2)
456 return -E_BLOB_SYNTAX;
457 if (!*cc->argv[1]) /* empty name is reserved for the dummy row */
458 return -E_BLOB_SYNTAX;
459 arg_obj.size = strlen(cc->argv[1]) + 1;
460 arg_obj.data = (char *)cc->argv[1];
461 return stdin_command(cc, &arg_obj, f, 10 * 1024 * 1024, NULL, NULL);
462 }
463
464 /* FIXME: Print output to client, not to log file */
465 static void com_mvblob_callback(struct osl_table *table, __a_unused int fd,
466 const struct osl_object *query)
467 {
468 char *src = (char *) query->data;
469 struct osl_object obj = {.data = src, .size = strlen(src) + 1};
470 char *dest = src + obj.size;
471 struct osl_row *row;
472 int ret = osl(osl_get_row(table, BLOBCOL_NAME, &obj, &row));
473
474 if (ret < 0)
475 goto out;
476 obj.data = dest;
477 obj.size = strlen(dest) + 1;
478 ret = osl(osl_update_object(table, row, BLOBCOL_NAME, &obj));
479 if (ret < 0)
480 goto out;
481 afs_event(BLOB_RENAME, NULL, table);
482 out:
483 if (ret < 0)
484 PARA_NOTICE_LOG("%s\n", para_strerror(-ret));
485 }
486
487 static int com_mvblob(callback_function *f, struct command_context *cc)
488 {
489 if (cc->argc != 3)
490 return -E_MOOD_SYNTAX;
491 return send_option_arg_callback_request(NULL, cc->argc - 1,
492 cc->argv + 1, f, NULL, NULL);
493 }
494
495 #define DEFINE_BLOB_COMMAND(cmd_name, table_name, cmd_prefix) \
496 static void com_ ## cmd_name ## cmd_prefix ## _callback(int fd, const struct osl_object *query) \
497 { \
498 return com_ ## cmd_name ## blob_callback(table_name ## _table, fd, query); \
499 } \
500 int com_ ## cmd_name ## cmd_prefix(struct command_context *cc) \
501 { \
502 return com_ ## cmd_name ## blob(com_ ## cmd_name ## cmd_prefix ## _callback, cc); \
503 }
504
505 static int blob_get_name_by_id(struct osl_table *table, uint32_t id,
506 char **name)
507 {
508 struct osl_row *row;
509 struct osl_object obj = {.data = &id, .size = sizeof(id)};
510 int ret;
511
512 *name = NULL;
513 if (!id)
514 return 1;
515 ret = osl(osl_get_row(table, BLOBCOL_ID, &obj, &row));
516 if (ret < 0)
517 return ret;
518 ret = osl(osl_get_object(table, row, BLOBCOL_NAME, &obj));
519 if (ret < 0)
520 return ret;
521 *name = (char *)obj.data;
522 return 1;
523 }
524
525 /** Define the \p get_name_by_id function for this blob type. */
526 #define DEFINE_GET_NAME_BY_ID(table_name, cmd_prefix) \
527 int cmd_prefix ## _get_name_by_id(uint32_t id, char **name) \
528 { \
529 return blob_get_name_by_id(table_name ## _table, id, name); \
530 }
531
532
533 static int blob_get_def_by_name(struct osl_table *table, char *name,
534 struct osl_object *def)
535 {
536 struct osl_row *row;
537 struct osl_object obj = {.data = name, .size = strlen(name) + 1};
538 int ret;
539
540 def->data = NULL;
541 if (!*name)
542 return 1;
543 ret = osl(osl_get_row(table, BLOBCOL_NAME, &obj, &row));
544 if (ret < 0)
545 return ret;
546 return osl(osl_open_disk_object(table, row, BLOBCOL_DEF, def));
547 }
548
549 /** Define the \p get_def_by_id function for this blob type. */
550 #define DEFINE_GET_DEF_BY_NAME(table_name, cmd_prefix) \
551 int cmd_prefix ## _get_def_by_name(char *name, struct osl_object *def) \
552 { \
553 return blob_get_def_by_name(table_name ## _table, name, def); \
554 }
555
556 static int blob_get_def_by_id(struct osl_table *table, uint32_t id,
557 struct osl_object *def)
558 {
559 struct osl_row *row;
560 struct osl_object obj = {.data = &id, .size = sizeof(id)};
561 int ret;
562
563 def->data = NULL;
564 if (!id)
565 return 1;
566 ret = osl(osl_get_row(table, BLOBCOL_ID, &obj, &row));
567 if (ret < 0)
568 return ret;
569 return osl(osl_open_disk_object(table, row, BLOBCOL_DEF, def));
570 }
571
572 /** Define the \p get_def_by_id function for this blob type. */
573 #define DEFINE_GET_DEF_BY_ID(table_name, cmd_prefix) \
574 int cmd_prefix ## _get_def_by_id(uint32_t id, struct osl_object *def) \
575 { \
576 return blob_get_def_by_id(table_name ## _table, id, def); \
577 }
578
579 static int blob_get_name_and_def_by_row(struct osl_table *table,
580 const struct osl_row *row, char **name, struct osl_object *def)
581 {
582 struct osl_object obj;
583 int ret = osl(osl_get_object(table, row, BLOBCOL_NAME, &obj));
584 if (ret < 0)
585 return ret;
586 *name = obj.data;
587 return osl(osl_open_disk_object(table, row, BLOBCOL_DEF, def));
588 }
589 /** Define the \p get_name_and_def_by_row function for this blob type. */
590 #define DEFINE_GET_NAME_AND_DEF_BY_ROW(table_name, cmd_prefix) \
591 int cmd_prefix ## _get_name_and_def_by_row(const struct osl_row *row, \
592 char **name, struct osl_object *def) \
593 { \
594 return blob_get_name_and_def_by_row(table_name ## _table, \
595 row, name, def); \
596 }
597
598 /** Define the \p close function for this blob type. */
599 #define DEFINE_BLOB_CLOSE(table_name) \
600 static void table_name ## _close(void) \
601 { \
602 osl_close_table(table_name ## _table, OSL_MARK_CLEAN); \
603 table_name ## _table = NULL; \
604 }
605
606 /** Define the \p create function for this blob type. */
607 #define DEFINE_BLOB_CREATE(table_name) \
608 static int table_name ## _create(const char *dir) \
609 { \
610 table_name ## _table_desc.dir = dir; \
611 return osl_create_table(&table_name ## _table_desc); \
612 }
613
614 static int blob_open(struct osl_table **table,
615 struct osl_table_description *desc,
616 const char *dir)
617 {
618 int ret;
619 desc->dir = dir;
620 ret = osl(osl_open_table(desc, table));
621 if (ret >= 0)
622 return ret;
623 *table = NULL;
624 if (ret >= 0 || ret == -OSL_ERRNO_TO_PARA_ERROR(E_OSL_NOENT))
625 return 1;
626 return ret;
627 }
628
629 #define DEFINE_BLOB_OPEN(table_name) \
630 static int table_name ## _open(const char *dir) \
631 { \
632 return blob_open(&table_name ## _table, \
633 &table_name ## _table_desc, dir); \
634 }
635
636
637 /** Define the \p init function for this blob type. */
638 #define DEFINE_BLOB_INIT(table_name) \
639 void table_name ## _init(struct afs_table *t) \
640 { \
641 t->open = table_name ## _open; \
642 t->close = table_name ## _close; \
643 t->create = table_name ## _create;\
644 t->event_handler = table_name ##_event_handler; \
645 table_name ## _table = NULL; \
646 }
647
648
649 /** Define all functions for this blob type. */
650 #define DEFINE_BLOB_FUNCTIONS(table_name, cmd_prefix) \
651 DEFINE_BLOB_OPEN(table_name) \
652 DEFINE_BLOB_CLOSE(table_name) \
653 DEFINE_BLOB_CREATE(table_name) \
654 DEFINE_BLOB_INIT(table_name) \
655 DEFINE_BLOB_COMMAND(ls, table_name, cmd_prefix) \
656 DEFINE_BLOB_COMMAND(cat, table_name, cmd_prefix) \
657 DEFINE_BLOB_COMMAND(add, table_name, cmd_prefix) \
658 DEFINE_BLOB_COMMAND(rm, table_name, cmd_prefix) \
659 DEFINE_BLOB_COMMAND(mv, table_name, cmd_prefix) \
660 DEFINE_GET_NAME_BY_ID(table_name, cmd_prefix); \
661 DEFINE_GET_DEF_BY_ID(table_name, cmd_prefix); \
662 DEFINE_GET_DEF_BY_NAME(table_name, cmd_prefix); \
663 DEFINE_GET_NAME_AND_DEF_BY_ROW(table_name, cmd_prefix); \
664
665 /* doxygen isn't smart enough to recognize these */
666 /** \cond blob_function */
667 DEFINE_BLOB_FUNCTIONS(lyrics, lyr);
668 DEFINE_BLOB_FUNCTIONS(images, img);
669 DEFINE_BLOB_FUNCTIONS(moods, mood);
670 DEFINE_BLOB_FUNCTIONS(playlists, pl);
671 /** \endcond blob_function */