Let afs callbacks return an error code.
[paraslash.git] / blob.c
1 /*
2 * Copyright (C) 2007 Andre Noll <maan@tuebingen.mpg.de>
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 "sideband.h"
22 #include "command.h"
23
24 /**
25 * Compare two osl objects pointing to unsigned integers of 32 bit size.
26 *
27 * \param obj1 Pointer to the first integer.
28 * \param obj2 Pointer to the second integer.
29 *
30 * \return The values required for an osl compare function.
31 *
32 * \sa osl_compare_func, osl_hash_compare().
33 */
34 static int uint32_compare(const struct osl_object *obj1, const struct osl_object *obj2)
35 {
36 uint32_t d1 = read_u32((const char *)obj1->data);
37 uint32_t d2 = read_u32((const char *)obj2->data);
38
39 if (d1 < d2)
40 return 1;
41 if (d1 > d2)
42 return -1;
43 return 0;
44 }
45
46 static struct osl_column_description blob_cols[] = {
47 [BLOBCOL_ID] = {
48 .storage_type = OSL_MAPPED_STORAGE,
49 .storage_flags = OSL_RBTREE | OSL_UNIQUE | OSL_FIXED_SIZE,
50 .name = "id",
51 .data_size = 4,
52 .compare_function = uint32_compare
53 },
54 [BLOBCOL_NAME] = {
55 .storage_type = OSL_MAPPED_STORAGE,
56 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
57 .name = "name",
58 .compare_function = string_compare
59 },
60 [BLOBCOL_DEF] = {
61 .storage_type = OSL_DISK_STORAGE,
62 .storage_flags = 0,
63 .name = "definition"
64 }
65 };
66
67 /** Define an osl table description for a blob table. */
68 #define DEFINE_BLOB_TABLE_DESC(table_name) \
69 static struct osl_table_description table_name ## _table_desc = { \
70 .name = #table_name, \
71 .num_columns = NUM_BLOB_COLUMNS, \
72 .flags = OSL_LARGE_TABLE, \
73 .column_descriptions = blob_cols \
74 };
75
76 /** Define a pointer to an osl blob table with a canonical name. */
77 #define DEFINE_BLOB_TABLE_PTR(table_name) struct osl_table *table_name ## _table;
78
79
80 /** Define a blob table. */
81 #define INIT_BLOB_TABLE(table_name) \
82 DEFINE_BLOB_TABLE_DESC(table_name); \
83 DEFINE_BLOB_TABLE_PTR(table_name);
84
85 /* doxygen isn't smart enough to recognize these */
86 /** \cond blob_table */
87 INIT_BLOB_TABLE(lyrics);
88 INIT_BLOB_TABLE(images);
89 INIT_BLOB_TABLE(moods);
90 INIT_BLOB_TABLE(playlists);
91 /** \endcond blob_table */
92
93 /** Flags that may be passed to the \p ls functions of each blob type. */
94 enum blob_ls_flags {
95 /** List both id and name. */
96 BLOB_LS_FLAG_LONG = 1,
97 /** Reverse sort order. */
98 BLOB_LS_FLAG_REVERSE = 2,
99 /** Sort by id instead of name. */
100 BLOB_LS_FLAG_SORT_BY_ID = 4,
101 };
102
103 /** Structure passed to the \p print_blob function. */
104 struct lsblob_action_data {
105 /** The flags given at the command line. */
106 uint32_t flags;
107 /** Message buffer. */
108 struct para_buffer pb;
109 };
110
111 static int print_blob(struct osl_table *table, struct osl_row *row,
112 const char *name, void *data)
113 {
114 struct lsblob_action_data *lbad = data;
115 struct osl_object obj;
116 uint32_t id;
117 int ret;
118
119 if (!(lbad->flags & BLOB_LS_FLAG_LONG)) {
120 para_printf(&lbad->pb, "%s\n", name);
121 return 0;
122 }
123 ret = osl(osl_get_object(table, row, BLOBCOL_ID, &obj));
124 if (ret < 0) {
125 para_printf(&lbad->pb, "%s: %s\n", name, para_strerror(-ret));
126 return ret;
127 }
128 id = *(uint32_t *)obj.data;
129 para_printf(&lbad->pb, "%u\t%s\n", id, name);
130 return 1;
131 }
132
133 static int com_lsblob_callback(struct osl_table *table,
134 int fd, const struct osl_object *query)
135 {
136 struct lsblob_action_data lbad = {
137 .flags = *(uint32_t *)query->data,
138 .pb = {
139 .max_size = shm_get_shmmax(),
140 .private_data = &(struct afs_max_size_handler_data) {
141 .fd = fd,
142 .band = SBD_OUTPUT
143 },
144 .max_size_handler = afs_max_size_handler,
145 }
146 };
147 struct pattern_match_data pmd = {
148 .table = table,
149 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
150 .size = query->size - sizeof(uint32_t)},
151 .pm_flags = PM_NO_PATTERN_MATCHES_EVERYTHING | PM_SKIP_EMPTY_NAME,
152 .match_col_num = BLOBCOL_NAME,
153 .data = &lbad,
154 .action = print_blob,
155 };
156 int ret;
157
158 if (lbad.flags & BLOB_LS_FLAG_REVERSE)
159 pmd.pm_flags |= PM_REVERSE_LOOP;
160 if (!(lbad.flags & BLOB_LS_FLAG_SORT_BY_ID))
161 pmd.loop_col_num = BLOBCOL_NAME;
162 else
163 pmd.loop_col_num = BLOBCOL_ID;
164 ret = for_each_matching_row(&pmd);
165 if (ret < 0)
166 para_printf(&lbad.pb, "%s\n", para_strerror(-ret));
167 else if (pmd.num_matches == 0 && pmd.patterns.size > 0)
168 para_printf(&lbad.pb, "no matches\n");
169 flush_and_free_pb(&lbad.pb);
170 return 0;
171 }
172
173 static int com_lsblob(callback_function *f, struct command_context *cc)
174 {
175 uint32_t flags = 0;
176 struct osl_object options = {.data = &flags, .size = sizeof(flags)};
177 int i;
178
179 for (i = 1; i < cc->argc; i++) {
180 const char *arg = cc->argv[i];
181 if (arg[0] != '-')
182 break;
183 if (!strcmp(arg, "--")) {
184 i++;
185 break;
186 }
187 if (!strcmp(arg, "-l")) {
188 flags |= BLOB_LS_FLAG_LONG;
189 continue;
190 }
191 if (!strcmp(arg, "-i")) {
192 flags |= BLOB_LS_FLAG_SORT_BY_ID;
193 continue;
194 }
195 if (!strcmp(arg, "-r")) {
196 flags |= BLOB_LS_FLAG_REVERSE;
197 continue;
198 }
199 break;
200 }
201 // if (argc > i)
202 // return -E_BLOB_SYNTAX;
203 return send_option_arg_callback_request(&options, cc->argc - i,
204 cc->argv + i, f, afs_cb_result_handler, cc);
205 }
206
207 static int cat_blob(struct osl_table *table, struct osl_row *row,
208 __a_unused const char *name, void *data)
209 {
210 int ret = 0, ret2, fd = *(int *)data;
211 struct osl_object obj;
212
213 ret = osl(osl_open_disk_object(table, row, BLOBCOL_DEF, &obj));
214 if (ret < 0)
215 return (ret == osl(-E_OSL_EMPTY))? 0 : ret;
216 assert(obj.size > 0);
217 ret = pass_buffer_as_shm(fd, SBD_OUTPUT, obj.data, obj.size);
218 ret2 = osl(osl_close_disk_object(&obj));
219 return (ret < 0)? ret : ret2;
220 }
221
222 static int com_catblob_callback(struct osl_table *table, int fd,
223 const struct osl_object *query)
224 {
225 struct pattern_match_data pmd = {
226 .table = table,
227 .patterns = *query,
228 .loop_col_num = BLOBCOL_NAME,
229 .match_col_num = BLOBCOL_NAME,
230 .pm_flags = PM_SKIP_EMPTY_NAME,
231 .data = &fd,
232 .action = cat_blob
233 };
234 for_each_matching_row(&pmd);
235 if (pmd.num_matches == 0) {
236 char err_msg[] = "no matches\n";
237 pass_buffer_as_shm(fd, SBD_OUTPUT, err_msg, sizeof(err_msg));
238 }
239 return 0;
240 }
241
242 static int com_catblob(callback_function *f, struct command_context *cc)
243 {
244 if (cc->argc < 2)
245 return -E_BLOB_SYNTAX;
246 return send_standard_callback_request(cc->argc - 1, cc->argv + 1, f,
247 afs_cb_result_handler, cc);
248 }
249
250 /** Used for removing rows from a blob table. */
251 struct rmblob_data {
252 /** Message buffer. */
253 struct para_buffer pb;
254 };
255
256 static int remove_blob(struct osl_table *table, struct osl_row *row,
257 const char *name, void *data)
258 {
259 struct rmblob_data *rmbd = data;
260 int ret = osl(osl_del_row(table, row));
261 if (ret < 0) {
262 para_printf(&rmbd->pb, "%s: %s\n", name, para_strerror(-ret));
263 return ret;
264 }
265 return 1;
266 }
267
268 static int com_rmblob_callback(struct osl_table *table, int fd,
269 const struct osl_object *query)
270 {
271 int ret;
272 struct rmblob_data rmbd = {
273 .pb = {
274 .max_size = shm_get_shmmax(),
275 .private_data = &(struct afs_max_size_handler_data) {
276 .fd = fd,
277 .band = SBD_OUTPUT
278 },
279 .max_size_handler = afs_max_size_handler,
280 }
281 };
282 struct pattern_match_data pmd = {
283 .table = table,
284 .patterns = *query,
285 .loop_col_num = BLOBCOL_NAME,
286 .match_col_num = BLOBCOL_NAME,
287 .pm_flags = PM_SKIP_EMPTY_NAME,
288 .data = &rmbd,
289 .action = remove_blob
290 };
291 ret = for_each_matching_row(&pmd);
292 if (ret < 0)
293 para_printf(&rmbd.pb, "%s\n", para_strerror(-ret));
294 if (pmd.num_matches == 0)
295 para_printf(&rmbd.pb, "no matches, nothing removed\n");
296 else {
297 para_printf(&rmbd.pb, "removed %d blobs\n", pmd.num_matches);
298 afs_event(BLOB_RENAME, NULL, table);
299 }
300 flush_and_free_pb(&rmbd.pb);
301 return 0;
302 }
303
304 static int com_rmblob(callback_function *f, struct command_context *cc)
305 {
306 if (cc->argc < 2)
307 return -E_MOOD_SYNTAX;
308 return send_option_arg_callback_request(NULL, cc->argc - 1, cc->argv + 1, f,
309 afs_cb_result_handler, cc);
310 }
311
312 static int com_addblob_callback(struct osl_table *table, int fd,
313 const struct osl_object *query)
314 {
315 struct osl_object objs[NUM_BLOB_COLUMNS];
316 char *name = query->data, *msg;
317 size_t name_len = strlen(name) + 1, msg_len;
318 uint32_t id;
319 unsigned num_rows;
320 int ret;
321
322 ret = osl(osl_get_num_rows(table, &num_rows));
323 if (ret < 0)
324 goto out;
325 if (!num_rows) { /* this is the first entry ever added */
326 /* insert dummy row containing the id */
327 id = 2; /* this entry will be entry #1, so 2 is the next */
328 objs[BLOBCOL_ID].data = &id;
329 objs[BLOBCOL_ID].size = sizeof(id);
330 objs[BLOBCOL_NAME].data = "";
331 objs[BLOBCOL_NAME].size = 1;
332 objs[BLOBCOL_DEF].data = "";
333 objs[BLOBCOL_DEF].size = 1;
334 ret = osl(osl_add_row(table, objs));
335 if (ret < 0)
336 goto out;
337 } else {
338 /* check if name already exists */
339 struct osl_row *row;
340 struct osl_object obj = {.data = name, .size = name_len};
341 ret = osl(osl_get_row(table, BLOBCOL_NAME, &obj, &row));
342 if (ret < 0 && ret != -OSL_ERRNO_TO_PARA_ERROR(E_OSL_RB_KEY_NOT_FOUND))
343 goto out;
344 if (ret >= 0) { /* we already have a blob with this name */
345 ret = osl(osl_get_object(table, row, BLOBCOL_ID, &obj));
346 if (ret < 0)
347 goto out;
348 id = *(uint32_t *)obj.data;
349 obj.data = name + name_len;
350 obj.size = query->size - name_len;
351 ret = osl(osl_update_object(table, row, BLOBCOL_DEF, &obj));
352 goto out;
353 }
354 /* new blob, get id of the dummy row and increment it */
355 obj.data = "";
356 obj.size = 1;
357 ret = osl(osl_get_row(table, BLOBCOL_NAME, &obj, &row));
358 if (ret < 0)
359 goto out;
360 ret = osl(osl_get_object(table, row, BLOBCOL_ID, &obj));
361 if (ret < 0)
362 goto out;
363 id = *(uint32_t *)obj.data + 1;
364 obj.data = &id;
365 ret = osl(osl_update_object(table, row, BLOBCOL_ID, &obj));
366 if (ret < 0)
367 goto out;
368 }
369 id--;
370 objs[BLOBCOL_ID].data = &id;
371 objs[BLOBCOL_ID].size = sizeof(id);
372 objs[BLOBCOL_NAME].data = name;
373 objs[BLOBCOL_NAME].size = name_len;
374 objs[BLOBCOL_DEF].data = name + name_len;
375 objs[BLOBCOL_DEF].size = query->size - name_len;
376 ret = osl(osl_add_row(table, objs));
377 if (ret < 0)
378 goto out;
379 afs_event(BLOB_ADD, NULL, table);
380 out:
381 if (ret < 0)
382 msg_len = xasprintf(&msg, "could not add %s: %s\n", name,
383 para_strerror(-ret));
384 else
385 msg_len = xasprintf(&msg, "added %s as id %u\n", name, id);
386 pass_buffer_as_shm(fd, SBD_OUTPUT, msg, msg_len);
387 free(msg);
388 return 0;
389 }
390
391 /* Write input from fd to dynamically allocated buffer, but maximal 10M. */
392 static int fd2buf(struct stream_cipher_context *scc, struct osl_object *obj)
393 {
394 size_t max_size = 10 * 1024 * 1024;
395 int ret;
396 struct iovec iov;
397
398 obj->data = NULL;
399 obj->size = 0;
400 again:
401 do {
402 ret = recv_sb(scc, SBD_BLOB_DATA, max_size, &iov);
403 } while (ret == 0);
404
405 if (ret < 0) {
406 free(obj->data);
407 obj->data = NULL;
408 obj->size = 0;
409 return ret;
410 }
411 if (iov.iov_len == 0) /* end of blob */
412 return 1;
413 if (!obj->data) {
414 obj->data = iov.iov_base;
415 obj->size = iov.iov_len;
416 } else {
417 obj->data = para_realloc(obj->data, obj->size + iov.iov_len);
418 memcpy(obj->data + obj->size, iov.iov_base, iov.iov_len);
419 obj->size += iov.iov_len;
420 free(iov.iov_base);
421 max_size -= iov.iov_len;
422 }
423 goto again;
424 return 1;
425 }
426
427 /*
428 * Read blob from a file descriptor and send it to afs.
429 *
430 * This function is called from the addblob command handlers to instruct the
431 * afs process to store the input in a blob table. Input is read and decrypted
432 * from the file descriptor given by cc and appended to arg_obj, which contains
433 * the name of the blob to create. The combined buffer is made available to the
434 * afs process via the callback method.
435 */
436 static int stdin_command(struct command_context *cc, struct osl_object *arg_obj,
437 callback_function *f)
438 {
439 struct osl_object query, stdin_obj;
440 int ret;
441
442 ret = send_sb(&cc->scc, NULL, 0, SBD_AWAITING_DATA, false);
443 if (ret < 0)
444 return ret;
445 ret = fd2buf(&cc->scc, &stdin_obj);
446 if (ret < 0)
447 return ret;
448 query.size = arg_obj->size + stdin_obj.size;
449 query.data = para_malloc(query.size);
450 memcpy(query.data, arg_obj->data, arg_obj->size);
451 if (stdin_obj.size > 0)
452 memcpy((char *)query.data + arg_obj->size, stdin_obj.data,
453 stdin_obj.size);
454 free(stdin_obj.data);
455 ret = send_callback_request(f, &query, afs_cb_result_handler, cc);
456 free(query.data);
457 return ret;
458 }
459
460 static int com_addblob(callback_function *f, struct command_context *cc)
461 {
462 struct osl_object arg_obj;
463
464 if (cc->argc != 2)
465 return -E_BLOB_SYNTAX;
466 if (!*cc->argv[1]) /* empty name is reserved for the dummy row */
467 return -E_BLOB_SYNTAX;
468 arg_obj.size = strlen(cc->argv[1]) + 1;
469 arg_obj.data = (char *)cc->argv[1];
470 return stdin_command(cc, &arg_obj, f);
471 }
472
473 static int com_mvblob_callback(struct osl_table *table, int fd,
474 const struct osl_object *query)
475 {
476 char *src = (char *) query->data;
477 struct osl_object obj = {.data = src, .size = strlen(src) + 1};
478 char *dest = src + obj.size;
479 struct osl_row *row;
480 struct para_buffer pb = {
481 .max_size = shm_get_shmmax(),
482 .private_data = &fd,
483 .max_size_handler = afs_max_size_handler
484 };
485 int ret = osl(osl_get_row(table, BLOBCOL_NAME, &obj, &row));
486
487 if (ret < 0) {
488 para_printf(&pb, "could not locate %s: %s\n", src,
489 para_strerror(-ret));
490 goto out;
491 }
492 obj.data = dest;
493 obj.size = strlen(dest) + 1;
494 ret = osl(osl_update_object(table, row, BLOBCOL_NAME, &obj));
495 if (ret < 0) {
496 para_printf(&pb, "failed to update object %s: %s\n", dest,
497 para_strerror(-ret));
498 goto out;
499 }
500 afs_event(BLOB_RENAME, NULL, table);
501 out:
502 flush_and_free_pb(&pb);
503 return 0;
504 }
505
506 static int com_mvblob(callback_function *f, struct command_context *cc)
507 {
508 int ret;
509
510 if (cc->argc != 3)
511 return -E_MOOD_SYNTAX;
512 ret = send_option_arg_callback_request(NULL, cc->argc - 1,
513 cc->argv + 1, f, afs_cb_result_handler, cc);
514 if (ret < 0)
515 send_strerror(cc, -ret);
516 return ret;
517 }
518
519 #define DEFINE_BLOB_COMMAND(cmd_name, table_name, cmd_prefix) \
520 static int com_ ## cmd_name ## cmd_prefix ## _callback(int fd, const struct osl_object *query) \
521 { \
522 return com_ ## cmd_name ## blob_callback(table_name ## _table, fd, query); \
523 } \
524 int com_ ## cmd_name ## cmd_prefix(struct command_context *cc) \
525 { \
526 return com_ ## cmd_name ## blob(com_ ## cmd_name ## cmd_prefix ## _callback, cc); \
527 }
528
529 static int blob_get_name_by_id(struct osl_table *table, uint32_t id,
530 char **name)
531 {
532 struct osl_row *row;
533 struct osl_object obj = {.data = &id, .size = sizeof(id)};
534 int ret;
535
536 *name = NULL;
537 if (!id)
538 return 1;
539 ret = osl(osl_get_row(table, BLOBCOL_ID, &obj, &row));
540 if (ret < 0)
541 return ret;
542 ret = osl(osl_get_object(table, row, BLOBCOL_NAME, &obj));
543 if (ret < 0)
544 return ret;
545 *name = (char *)obj.data;
546 return 1;
547 }
548
549 /** Define the \p get_name_by_id function for this blob type. */
550 #define DEFINE_GET_NAME_BY_ID(table_name, cmd_prefix) \
551 int cmd_prefix ## _get_name_by_id(uint32_t id, char **name) \
552 { \
553 return blob_get_name_by_id(table_name ## _table, id, name); \
554 }
555
556
557 static int blob_get_def_by_name(struct osl_table *table, char *name,
558 struct osl_object *def)
559 {
560 struct osl_row *row;
561 struct osl_object obj = {.data = name, .size = strlen(name) + 1};
562 int ret;
563
564 def->data = NULL;
565 if (!*name)
566 return 1;
567 ret = osl(osl_get_row(table, BLOBCOL_NAME, &obj, &row));
568 if (ret < 0)
569 return ret;
570 return osl(osl_open_disk_object(table, row, BLOBCOL_DEF, def));
571 }
572
573 /** Define the \p get_def_by_id function for this blob type. */
574 #define DEFINE_GET_DEF_BY_NAME(table_name, cmd_prefix) \
575 int cmd_prefix ## _get_def_by_name(char *name, struct osl_object *def) \
576 { \
577 return blob_get_def_by_name(table_name ## _table, name, def); \
578 }
579
580 static int blob_get_def_by_id(struct osl_table *table, uint32_t id,
581 struct osl_object *def)
582 {
583 struct osl_row *row;
584 struct osl_object obj = {.data = &id, .size = sizeof(id)};
585 int ret;
586
587 def->data = NULL;
588 if (!id)
589 return 1;
590 ret = osl(osl_get_row(table, BLOBCOL_ID, &obj, &row));
591 if (ret < 0)
592 return ret;
593 return osl(osl_open_disk_object(table, row, BLOBCOL_DEF, def));
594 }
595
596 /** Define the \p get_def_by_id function for this blob type. */
597 #define DEFINE_GET_DEF_BY_ID(table_name, cmd_prefix) \
598 int cmd_prefix ## _get_def_by_id(uint32_t id, struct osl_object *def) \
599 { \
600 return blob_get_def_by_id(table_name ## _table, id, def); \
601 }
602
603 static int blob_get_name_and_def_by_row(struct osl_table *table,
604 const struct osl_row *row, char **name, struct osl_object *def)
605 {
606 struct osl_object obj;
607 int ret = osl(osl_get_object(table, row, BLOBCOL_NAME, &obj));
608 if (ret < 0)
609 return ret;
610 *name = obj.data;
611 return osl(osl_open_disk_object(table, row, BLOBCOL_DEF, def));
612 }
613 /** Define the \p get_name_and_def_by_row function for this blob type. */
614 #define DEFINE_GET_NAME_AND_DEF_BY_ROW(table_name, cmd_prefix) \
615 int cmd_prefix ## _get_name_and_def_by_row(const struct osl_row *row, \
616 char **name, struct osl_object *def) \
617 { \
618 return blob_get_name_and_def_by_row(table_name ## _table, \
619 row, name, def); \
620 }
621
622 /** Define the \p close function for this blob type. */
623 #define DEFINE_BLOB_CLOSE(table_name) \
624 static void table_name ## _close(void) \
625 { \
626 osl_close_table(table_name ## _table, OSL_MARK_CLEAN); \
627 table_name ## _table = NULL; \
628 }
629
630 /** Define the \p create function for this blob type. */
631 #define DEFINE_BLOB_CREATE(table_name) \
632 static int table_name ## _create(const char *dir) \
633 { \
634 table_name ## _table_desc.dir = dir; \
635 return osl(osl_create_table(&table_name ## _table_desc)); \
636 }
637
638 static int blob_open(struct osl_table **table,
639 struct osl_table_description *desc,
640 const char *dir)
641 {
642 int ret;
643 desc->dir = dir;
644 ret = osl(osl_open_table(desc, table));
645 if (ret >= 0)
646 return ret;
647 *table = NULL;
648 if (ret >= 0 || ret == -OSL_ERRNO_TO_PARA_ERROR(E_OSL_NOENT))
649 return 1;
650 return ret;
651 }
652
653 #define DEFINE_BLOB_OPEN(table_name) \
654 static int table_name ## _open(const char *dir) \
655 { \
656 return blob_open(&table_name ## _table, \
657 &table_name ## _table_desc, dir); \
658 }
659
660
661 /** Define the \p init function for this blob type. */
662 #define DEFINE_BLOB_INIT(table_name) \
663 void table_name ## _init(struct afs_table *t) \
664 { \
665 t->open = table_name ## _open; \
666 t->close = table_name ## _close; \
667 t->create = table_name ## _create;\
668 t->event_handler = table_name ##_event_handler; \
669 table_name ## _table = NULL; \
670 }
671
672
673 /** Define all functions for this blob type. */
674 #define DEFINE_BLOB_FUNCTIONS(table_name, cmd_prefix) \
675 DEFINE_BLOB_OPEN(table_name) \
676 DEFINE_BLOB_CLOSE(table_name) \
677 DEFINE_BLOB_CREATE(table_name) \
678 DEFINE_BLOB_INIT(table_name) \
679 DEFINE_BLOB_COMMAND(ls, table_name, cmd_prefix) \
680 DEFINE_BLOB_COMMAND(cat, table_name, cmd_prefix) \
681 DEFINE_BLOB_COMMAND(add, table_name, cmd_prefix) \
682 DEFINE_BLOB_COMMAND(rm, table_name, cmd_prefix) \
683 DEFINE_BLOB_COMMAND(mv, table_name, cmd_prefix) \
684 DEFINE_GET_NAME_BY_ID(table_name, cmd_prefix); \
685 DEFINE_GET_DEF_BY_ID(table_name, cmd_prefix); \
686 DEFINE_GET_DEF_BY_NAME(table_name, cmd_prefix); \
687 DEFINE_GET_NAME_AND_DEF_BY_ROW(table_name, cmd_prefix); \
688
689 /* doxygen isn't smart enough to recognize these */
690 /** \cond blob_function */
691 DEFINE_BLOB_FUNCTIONS(lyrics, lyr);
692 DEFINE_BLOB_FUNCTIONS(images, img);
693 DEFINE_BLOB_FUNCTIONS(moods, mood);
694 DEFINE_BLOB_FUNCTIONS(playlists, pl);
695 /** \endcond blob_function */