2 * Copyright (C) 1999-2006 Andre Noll <maan@systemlinux.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
19 /** \file mysql_selector.c para_server's mysql-based audio file selector */
21 /** \cond some internal constants */
22 #define MEDIUM_BLOB_SIZE 16777220 /* (2**24 + 4) */
23 #define BLOB_SIZE 65539 /* (2**16 + 3) */
25 #include "server.cmdline.h"
29 #include <mysql/mysql.h>
30 #include <mysql/mysql_version.h>
35 /** pointer to the shared memory area */
36 extern struct misc_meta_data *mmd;
38 static void *mysql_ptr = NULL;
40 static int com_cam(int, int, char **);
41 static int com_cdb(int, int, char **);
42 static int com_cs(int, int, char **);
43 static int com_da(int, int, char **);
44 static int com_hist(int, int, char **);
45 static int com_info(int, int, char **);
46 static int com_laa(int, int, char **);
47 static int com_last(int, int, char **);
48 static int com_ls(int, int, char **);
49 static int com_mbox(int, int, char **);
50 static int com_mv(int, int, char **);
51 static int com_na(int, int, char **);
52 static int com_pic(int, int, char **);
53 static int com_picch(int, int, char **);
54 static int com_picdel(int, int, char **);
55 static int com_piclist(int, int, char **);
56 static int com_ps(int, int, char **);
57 static int com_rm_ne(int, int, char **);
58 static int com_sa(int, int, char **);
59 static int com_set(int, int, char **);
60 static int com_sl(int, int, char **);
61 static int com_stradd_picadd(int, int, char **);
62 static int com_streams(int, int, char **);
63 static int com_strdel(int, int, char **);
64 static int com_strq(int, int, char **);
65 static int com_summary(int, int, char **);
66 static int com_upd(int, int, char **);
67 static int com_us(int, int, char **);
68 static int com_verb(int, int, char **);
69 static int com_vrfy(int, int, char **);
71 static struct server_command cmds[] = {
75 .perms = DB_READ|DB_WRITE,
76 .description = "copy all metadata",
77 .synopsis = "cam source dest1 [dest2 ...]",
80 "Copy attributes and other meta data from source file to destination\n"
81 "file(s). Useful for files that have been renamed.\n"
87 .perms = DB_READ|DB_WRITE,
88 .description = "create database",
89 .synopsis = "cdb [name]",
92 "\tCreate database name containing the initial columns for basic\n"
93 "\tinteroperation with server. This command has to be used only once\n"
94 "\twhen you use the mysql audio file selector for the very first time.\n"
96 "\tThe optional name defaults to 'paraslash' if not given.\n"
102 .perms = DB_READ | DB_WRITE,
103 .description = "nuke invalid entries in database",
107 "If the vrfy command shows you any invalid entries in your database,\n"
108 "you can get rid of them with clean. Always run 'upd' and 'vrfy'\n"
109 "before running this command. Use with caution!\n"
115 .perms = AFS_WRITE | DB_READ | DB_WRITE,
116 .description = "change stream",
117 .synopsis = "cs [s]",
120 "Selects stream s or prints current stream when s was not given.\n"
126 .perms = AFS_WRITE | DB_READ,
127 .description = "change stream and play",
131 "Select stream s and start playing. If this results in a stream-change,\n"
132 "skip rest of current audio file.\n"
138 .perms = DB_READ | DB_WRITE,
139 .description = "drop attribute from database",
140 .synopsis = "da att",
143 "Use with caution. All info on attribute att will be lost.\n"
150 .description = "print history",
154 "Print list of all audio files together with number of days since each\n"
155 "file was last played.\n"
162 .description = "print database info",
163 .synopsis = "info [af]",
166 "print database informations for audio file af. Current audio file is\n"
167 "used if af is not given.\n"
174 .description = "list attributes",
175 .synopsis = "la [af]",
178 "List attributes of audio file af or of current audio file when invoked\n"
179 "without arguments.\n"
186 .description = "list available attributes",
190 "What should I say more?\n"
197 .description = "print list of audio files, ordered by lastplayed time",
198 .synopsis = "last [n]",
201 "The optional number n defaults to 10 if not specified.\n"
208 .description = "list all audio files that match a LIKE pattern",
209 .synopsis = "ls [pattern]",
212 "\tIf pattern was not given, print list of all audio files known\n"
213 "\tto the mysql selector. See the documentation of mysql\n"
214 "\tfor the definition of LIKE patterns.\n"
221 .description = "dump audio file list in mbox format",
222 .synopsis = "mbox [p]",
225 "\tDump list of audio files in mbox format (email) to stdout. If\n"
226 "\tthe optional pattern p is given, only those audio files,\n"
227 "\twhose basename match p are going to be included. Otherwise,\n"
228 "\tall files are selected.\n"
231 "\tThe mbox command can be used together with your favorite\n"
232 "\tmailer (this example uses mutt) for browsing the audio file\n"
235 "\t\tpara_client mbox > ~/para_mbox\n"
237 "\t\tmutt -F ~/.muttrc.para -f ~/para_mbox\n"
239 "\tFor playlists, you can use mutt's powerful pattern matching\n"
240 "\tlanguage to select files. If you like to tag all files\n"
241 "\tcontaining the pattern 'foo', type 'T', then '~s foo'.\n"
243 "\tWhen ready with the list, type ';|' (i.e., hit the semicolon\n"
244 "\tkey to apply the next mutt command to all tagged messages,\n"
245 "\tthen the pipe key) to pipe the selected \"mails\" to a\n"
246 "\tsuitable script which adds a paraslash stream where exactly\n"
247 "\tthese files are admissable or does whatever thou wilt.\n"
253 .perms = DB_READ | DB_WRITE,
254 .description = "rename entry in database",
255 .synopsis = "mv oldname newname",
258 "Rename oldname to newname. This updates the data table to reflect the\n"
259 "new name. All internal data (numplayed, lastplayed, picid,..) is kept.\n"
260 "If newname is a full path, the dir table is updated as well.\n"
266 .perms = DB_READ | DB_WRITE,
267 .description = "add new attribute to database",
268 .synopsis = "na att",
271 "This adds a column named att to your mysql database. att should only\n"
272 "contain letters and numbers, in paricular, '+' and '-' are not allowed.\n"
277 .handler = com_rm_ne,
278 .perms = DB_READ | DB_WRITE,
279 .description = "add new database entries",
280 .synopsis = "ne file1 [file2 [...]]",
283 "Add the given filename(s) to the database, where file1,... must\n"
284 "be full path names. This command might be much faster than 'upd'\n"
285 "if the number of given files is small.\n"
291 .perms = AFS_WRITE | DB_READ | DB_WRITE,
292 .description = "change to next stream",
296 "Cycle forwards through stream list.\n"
303 .description = "get picture by name or by identifier",
304 .synopsis = "pic [name]",
307 "\tDump jpg image that is associated to given audio file (current\n"
308 "\taudio file if not specified) to stdout. If name starts with\n"
309 "\t'#' it is interpreted as an identifier instead and the picture\n"
310 "\thaving that identifier is dumped to stdout.\n"
314 "\tpara_client pic '#123' > pic123.jpg\n"
319 .handler = com_stradd_picadd,
320 .perms = DB_READ | DB_WRITE,
321 .description = "add picture to database",
322 .synopsis = "picadd [picname]",
325 "\tRead jpeg file from stdin and store it as picname in database.\n"
329 "\tpara_client picadd foo.jpg < foo.jpg\n"
335 .perms = DB_READ | DB_WRITE,
336 .description = "associate a picture to file(s)",
337 .synopsis = "picass pic_id file1 [file2...]",
340 "Associate the picture given by pic_id to all given files.\n"
345 .handler = com_picch,
346 .perms = DB_READ | DB_WRITE,
347 .description = "change name of picture",
348 .synopsis = "picch id new_name",
351 "Asign new_name to picture with identifier id.\n"
356 .handler = com_picdel,
357 .perms = DB_READ | DB_WRITE,
358 .description = "delete picture from database",
359 .synopsis = "picdel id1 [id2...]",
362 "Delete each given picture from database.\n"
367 .handler = com_piclist,
369 .description = "print list of pictures",
370 .synopsis = "piclist",
373 "Print id, name and length of each picture contained in the database.\n"
379 .perms = AFS_WRITE | DB_READ | DB_WRITE,
380 .description = "change to previous stream",
384 "Cycle backwards through stream list.\n"
389 .handler = com_rm_ne,
390 .perms = DB_READ | DB_WRITE,
391 .description = "remove entries from database",
392 .synopsis = "rm name1 [name2 [...]]",
395 "Remove name1, name2, ... from the data table. Use with caution\n"
401 .perms = DB_READ | DB_WRITE,
402 .description = "set/unset attributes",
403 .synopsis = "sa at1<'+' | '-'> [at2<'+' | '-'> ] [af1 ...]",
407 "Set ('+') or unset ('-') attribute at1, at2 etc. for given list of\n"
408 "audio files. If no audio files were given the current audio file is\n"
411 "sa rock+ punk+ classic- LZ__Waldsterben.mp3\n"
413 "sets the 'rock' and the 'punk' attribute but unsets the 'classic'\n"
420 .perms = DB_READ | DB_WRITE,
421 .description = "skip subsequent audio files(s)",
422 .synopsis = "skip n [s]",
425 "Skip the next n audio files of stream s. This is equivalent to the\n"
426 "command 'sl n s', followed by 'us name' for each name the output of sl.\n"
433 .description = "print score list",
434 .synopsis = "sl n [s]",
437 "Print sorted list of maximal n lines. Each line is an admissible entry\n"
438 "with respect to stream s. The list is sorted by score-value which is\n"
439 "given by the definition of s. If s is not given, the current stream\n"
440 "is used. Example:\n"
444 "shows you the audio file the server would select right now.\n"
450 .perms = DB_READ | DB_WRITE,
451 .description = "set numplayed",
452 .synopsis = "snp number af1 [af2 ...]",
455 "Update the numplayed field in the data table for all given audio files.\n"
460 .handler = com_stradd_picadd,
461 .perms = DB_READ | DB_WRITE,
462 .description = "add stream",
463 .synopsis = "stradd s",
466 "Add stream s to the list of available streams. The stream definition\n"
467 "for s is read from stdin and is then sent to para_server. Example:\n"
469 " echo 'deny: NAME_LIKE(%Madonna%)' | para_client stradd no_madonna\n"
471 "adds the new stream 'no_madonna' to the list of available streams. A given\n"
472 "audio file is admissible for this stream iff its basename does not contain the\n"
473 "string 'Madonna'.\n"
479 .handler = com_strdel,
480 .perms = DB_READ | DB_WRITE,
481 .description = "delete stream",
482 .synopsis = "strdel s",
485 "Remove stream s from database.\n"
490 .handler = com_streams,
492 .description = "list streams",
493 .synopsis = "streams",
496 "Print list of available streams. Use 'cs' to switch to any of these.\n"
503 .description = "query stream definition",
504 .synopsis = "strq [s]",
507 "Print definition of stream s to stdout. Use current stream if s was\n"
513 .handler = com_summary,
515 .description = "list attributes",
516 .synopsis = "summary",
519 "\tPrint a list of attributes together with number of audio\n"
520 "\tfiles having that attribute set.\n"
526 .perms = DB_READ | DB_WRITE,
527 .description = "update database",
531 "This command uses the --audio_file_dir option of para_server to locate\n"
532 "your audio files. New files are then added to the mysql database. Use\n"
533 "this command if you got new files or if you have moved some files\n"
540 .perms = DB_READ | DB_WRITE,
541 .description = "update lastplayed time",
542 .synopsis = "us name",
545 "Update lastplayed time without actually playing the thing.\n"
551 .perms = DB_READ | DB_WRITE,
552 .description = "send verbatim sql query",
553 .synopsis = "verb cmd",
556 "Send cmd to mysql server. For expert/debugging only. Note that cmd\n"
557 "usually must be escaped. Use only if you know what you are doing!\n"
564 .description = "list invalid entries in database",
568 "Show what clean would delete. Run 'upd' before this command to make\n"
569 "sure your database is up to date.\n"
577 static struct para_macro macro_list[] = {
578 { .name = "IS_N_SET",
579 .replacement = "(data.%s != '1')"
582 .replacement = "(data.%s = '1')"
585 .replacement = "%sdata.Pic_Id"
588 .replacement = "(data.name like '%s')"
590 .name = "LASTPLAYED",
591 .replacement = "%sFLOOR((UNIX_TIMESTAMP(now())"
592 "-UNIX_TIMESTAMP(data.Lastplayed))/60)"
595 .replacement = "%sdata.Numplayed"
601 static int real_query(const char *query)
605 PARA_DEBUG_LOG("%s\n", query);
606 if (mysql_real_query(mysql_ptr, query, strlen(query))) {
607 PARA_ERROR_LOG("real_query error (%s)\n",
608 mysql_error(mysql_ptr));
615 * Use open connection given by mysql_ptr to query server. Returns a
616 * result pointer on succes and NULL on errors
618 static struct MYSQL_RES *get_result(const char *query)
622 if (real_query(query) < 0)
624 result = mysql_store_result(mysql_ptr);
626 PARA_ERROR_LOG("%s", "store_result error\n");
630 * write input from fd to dynamically allocated char array,
631 * but maximal max_size byte. Return size.
633 static int fd2buf(int fd, char **buf_ptr, size_t max_size)
635 const size_t chunk_size = 1024;
637 char *buf = para_malloc(size * sizeof(char)), *p = buf;
640 while ((ret = recv_bin_buffer(fd, p, chunk_size)) > 0) {
642 if ((p - buf) + chunk_size >= size) {
646 if (size > max_size) {
650 tmp = para_realloc(buf, size);
665 static char *escape_blob(const char* old, int size)
669 if (!mysql_ptr || size < 0)
671 new = para_malloc(2 * size * sizeof(char) + 1);
672 mysql_real_escape_string(mysql_ptr, new, old, size);
676 static char *escape_str(const char* old)
678 return escape_blob(old, strlen(old));
681 static char *escaped_basename(const char *name)
683 char *esc, *bn = para_basename(name);
687 esc = escape_str(bn);
695 static int com_na(__a_unused int fd, int argc, char *argv[])
701 return -E_MYSQL_SYNTAX;
702 tmp = escape_str(argv[1]);
705 q = make_message("alter table data add %s char(1) "
706 "not null default 0", tmp);
716 static int com_da(__a_unused int fd, int argc, char *argv[])
722 return -E_MYSQL_SYNTAX;
723 tmp = escape_str(argv[1]);
726 q = make_message("alter table data drop %s", tmp);
734 static int com_stradd_picadd(int fd, int argc, char *argv[])
736 char *blob = NULL, *esc_blob = NULL, *q = NULL, *tmp = NULL;
737 const char *fmt, *del_fmt;
738 int ret, stradd = strcmp(argv[0], "picadd");
742 return -E_MYSQL_SYNTAX;
743 if (strlen(argv[1]) >= MAXLINE - 1)
744 return -E_NAMETOOLONG;
749 fmt = "insert into streams (name, def) values ('%s','%s')";
750 del_fmt="delete from streams where name='%s'";
752 size = MEDIUM_BLOB_SIZE;
753 fmt = "insert into pics (name, pic) values ('%s','%s')";
754 del_fmt="delete from pics where pic='%s'";
756 tmp = escape_str(argv[1]);
759 q = make_message(del_fmt, tmp);
765 if ((ret = send_buffer(fd, AWAITING_DATA_MSG) < 0))
767 if ((ret = fd2buf(fd, &blob, size)) < 0)
773 esc_blob = escape_blob(blob, size);
776 tmp = escape_str(argv[1]);
779 q = make_message(fmt, tmp, esc_blob);
790 * print results to fd
792 static int print_results(int fd, void *result,
793 unsigned int top, unsigned int left,
794 unsigned int bottom, unsigned int right)
800 for (i = top; i <= bottom; i++) {
801 row = mysql_fetch_row(result);
804 for (j = left; j <= right; j++) {
805 ret = send_va_buffer(fd, j == left? "%s" : "\t%s",
806 row[j]? row[j] : "NULL");
810 ret = send_buffer(fd, "\n");
820 static int com_verb(int fd, int argc, char *argv[])
824 unsigned int num_rows, num_fields;
828 return -E_MYSQL_SYNTAX;
829 tmp = escape_str(argv[1]);
832 result = get_result(tmp);
835 /* return success, because it's ok to have no results */
837 num_fields = mysql_field_count(mysql_ptr);
838 num_rows = mysql_num_rows(result);
840 if (num_fields && num_rows)
841 ret = print_results(fd, result, 0, 0, num_rows - 1,
843 mysql_free_result(result);
847 /* returns NULL on errors or if there are no atts defined yet */
848 static void *get_all_attributes(void)
850 void *result = get_result("desc data");
851 unsigned int num_rows;
855 num_rows = mysql_num_rows(result);
857 mysql_free_result(result);
860 mysql_data_seek(result, 4); /* skip Lastplayed, Numplayed... */
865 * list all attributes
867 static int com_laa(int fd, int argc, __a_unused char *argv[])
873 return -E_MYSQL_SYNTAX;
874 result = get_all_attributes();
877 ret = print_results(fd, result, 0, 0, mysql_num_rows(result) - 5, 0);
878 mysql_free_result(result);
885 static int com_hist(int fd, int argc, char *argv[]) {
889 unsigned int num_rows;
892 return -E_MYSQL_SYNTAX;
894 char *tmp = escape_str(argv[1]);
897 atts = make_message("where %s = '1'", tmp);
900 atts = para_strdup(NULL);
902 q = make_message("select name, to_days(now()) - to_days(lastplayed) from "
903 "data %s order by lastplayed", atts);
905 result = get_result(q);
909 num_rows = mysql_num_rows(result);
912 ret = print_results(fd, result, 0, 0, num_rows - 1, 1);
913 mysql_free_result(result);
918 * get last num audio files
920 static int com_last(int fd, int argc, char *argv[])
931 return -E_MYSQL_SYNTAX;
932 q = make_message("select name from data order by lastplayed desc "
934 result = get_result(q);
938 ret = print_results(fd, result, 0, 0, mysql_num_rows(result) - 1, 0);
939 mysql_free_result(result);
943 static int com_mbox(int fd, int argc, char *argv[])
948 unsigned int num_rows, num_fields;
949 char *query = para_strdup("select concat('From foo@localhost ', "
950 "date_format(Lastplayed, '%a %b %e %T %Y'), "
951 "'\nReceived: from\nTo: bar\n");
954 result = get_all_attributes();
958 while ((row = mysql_fetch_row(result))) {
963 tmp = make_message("%s X-Attribute-%s: ', %s, '\n", query,
968 query = para_strcat(query,
976 char *esc = escape_str(argv[1]), *tmp;
980 tmp = make_message("%s where name LIKE '%s'", query, esc);
985 mysql_free_result(result);
987 result = get_result(query);
990 ret = -E_EMPTY_RESULT;
991 num_fields = mysql_field_count(mysql_ptr);
992 num_rows = mysql_num_rows(result);
993 if (!num_fields || !num_rows)
995 ret = print_results(fd, result, 0, 0, num_rows - 1, num_fields - 1);
999 mysql_free_result(result);
1003 /* get attributes by name. If verbose is not 0, get_a writes a string
1004 * into atts of the form 'att1="0",att2="1"', which is used in com_cam
1005 * for contructing a mysql update query.
1006 * never returns NULL in *NON VERBOSE* mode
1008 static char *get_atts(char *name, int verbose)
1010 char *atts = NULL, *buf, *ebn;
1011 void *result = NULL, *result2 = NULL;
1012 MYSQL_ROW row, row2;
1014 unsigned int num_fields;
1017 result2 = get_all_attributes();
1021 if (!(ebn = escaped_basename(name)))
1023 buf = make_message("select * from data where name='%s'", ebn);
1026 result = get_result(buf);
1030 ret = -E_EMPTY_RESULT;
1031 num_fields = mysql_num_fields(result);
1034 mysql_data_seek(result2, 4); /* skip Lastplayed, Numplayed... */
1035 row = mysql_fetch_row(result);
1039 for (i = 4; i < num_fields; i++) {
1040 int is_set = row[i] && !strcmp(row[i], "1");
1041 row2 = mysql_fetch_row(result2);
1042 if (!row2 || !row2[0])
1044 if (atts && (verbose || is_set))
1045 atts = para_strcat(atts, verbose? "," : " ");
1046 if (is_set || verbose)
1047 atts = para_strcat(atts, row2[0]);
1049 atts = para_strcat(atts, is_set? "=\"1\"" : "=\"0\"");
1054 mysql_free_result(result2);
1056 mysql_free_result(result);
1057 if (!atts && !verbose)
1058 atts = para_strdup("(none)");
1062 /* never returns NULL in verbose mode */
1063 static char *get_meta(char *name, int verbose)
1066 void *result = NULL;
1067 char *ebn, *q, *ret = NULL;
1068 const char *verbose_fmt =
1069 "select concat('lastplayed: ', "
1070 "(to_days(now()) - to_days(lastplayed)),"
1071 "' day(s). numplayed: ', numplayed, "
1072 "', pic: ', pic_id) "
1073 "from data where name = '%s'";
1074 /* is that really needed? */
1075 const char *fmt = "select concat('lastplayed=\\'', lastplayed, "
1076 "'\\', numplayed=\\'', numplayed, "
1077 "'\\', pic_id=\\'', pic_id, '\\'') "
1078 "from data where name = '%s'";
1080 if (!(ebn = escaped_basename(name)))
1082 q = make_message(verbose? verbose_fmt : fmt, ebn);
1084 result = get_result(q);
1088 row = mysql_fetch_row(result);
1089 if (!row || !row[0])
1091 ret = para_strdup(row[0]);
1094 mysql_free_result(result);
1095 if (!ret && verbose)
1096 ret = para_strdup("(not yet played)");
1100 static char *get_dir(char *name)
1102 char *ret = NULL, *q, *ebn;
1106 if (!(ebn = escaped_basename(name)))
1108 q = make_message("select dir from dir where name = '%s'", ebn);
1110 result = get_result(q);
1114 row = mysql_fetch_row(result);
1116 ret = para_strdup(row[0]);
1117 mysql_free_result(result);
1121 /* never returns NULL */
1122 static char *get_current_stream(void)
1126 void *result = get_result("select def from streams where "
1127 "name = 'current_stream'");
1131 row = mysql_fetch_row(result);
1132 if (!row || !row[0])
1134 ret = para_strdup(row[0]);
1135 mysql_free_result(result);
1139 mysql_free_result(result);
1140 return para_strdup("(none)");
1144 * Read stream definition of stream streamname and construct mysql
1145 * query. Return NULL on errors. If streamname is NULL, use current
1146 * stream. If that is also NULL, use query that selects everything.
1147 * If filename is NULL, query will list everything, otherwise only
1148 * the score of given file.
1150 static char *get_query(char *streamname, char *filename, int with_path)
1152 char *accept_opts = NULL, *deny_opts = NULL, *score = NULL;
1153 char *where_clause, *order, *query;
1154 char command[255] = ""; /* buffer for sscanf */
1158 char *select_clause = NULL;
1160 tmp = get_current_stream();
1162 tmp = escape_str(streamname);
1163 if (!strcmp(tmp, "(none)")) {
1166 char *ret, *ebn = escaped_basename(filename);
1167 ret = make_message("select to_days(now()) - "
1168 "to_days(lastplayed) from data "
1169 "where name = '%s'", ebn);
1174 return make_message(
1175 "select concat(dir.dir, '/', dir.name) "
1176 "from data, dir where dir.name = data.name "
1177 "order by data.lastplayed"
1179 return make_message(
1180 "select name from data where name is not NULL "
1181 "order by lastplayed"
1185 query = make_message("select def from streams where name = '%s'",
1187 result = get_result(query);
1192 row = mysql_fetch_row(result);
1193 if (!row || !row[0])
1198 char *arg, *line = end;
1200 if (!(end = strchr(line, '\n')))
1204 if (sscanf(line, "%200s%n", command, &n) < 1)
1207 if (!strcmp(command, "accept:")) {
1208 char *tmp2 = s_a_r_list(macro_list, arg);
1210 accept_opts = para_strcat(
1211 accept_opts, " or ");
1212 accept_opts = para_strcat(accept_opts, tmp2);
1216 if (!strcmp(command, "deny:")) {
1217 char *tmp2 = s_a_r_list(macro_list, arg);
1219 deny_opts = para_strcat(deny_opts, " or ");
1220 deny_opts = para_strcat(deny_opts, tmp2);
1224 if (!score && !strcmp(command, "score:"))
1225 score = s_a_r_list(macro_list, arg);
1228 score = s_a_r_list(macro_list, conf.mysql_default_score_arg);
1233 char *ebn = escaped_basename(filename);
1236 select_clause = make_message("select %s from data ", score);
1238 where_clause = make_message( "where name = '%s' ", ebn);
1240 order = para_strdup("");
1243 select_clause = para_strdup(with_path?
1244 "select concat(dir.dir, '/', dir.name) from data, dir "
1245 "where dir.name = data.name "
1247 "select name from data where name is not NULL");
1248 order = make_message("order by -(%s)", score);
1250 if (accept_opts && deny_opts) {
1251 where_clause = make_message("and ((%s) and not (%s)) ",
1252 accept_opts, deny_opts);
1255 if (accept_opts && !deny_opts) {
1256 where_clause = make_message("and (%s) ", accept_opts);
1259 if (!accept_opts && deny_opts) {
1260 where_clause = make_message("and not (%s) ", deny_opts);
1263 where_clause = para_strdup("");
1265 query = make_message("%s %s %s", select_clause, where_clause, order);
1267 free(select_clause);
1275 mysql_free_result(result);
1282 * This is called from server and from some commands. Name must not be NULL
1283 * Never returns NULL.
1285 static char *get_selector_info(char *name)
1287 char *meta = NULL, *atts = NULL, *info, *dir = NULL, *query, *stream = NULL;
1288 void *result = NULL;
1289 MYSQL_ROW row = NULL;
1292 return para_strdup("(none)");
1293 stream = get_current_stream();
1294 meta = get_meta(name, 1);
1295 atts = get_atts(name, 0);
1296 dir = get_dir(name);
1298 query = get_query(stream, name, 0); /* FIXME: pass stream == NULL instead? */
1301 result = get_result(query);
1304 row = mysql_fetch_row(result);
1306 info = make_message("dbinfo1:dir: %s\n"
1307 "dbinfo2:stream: %s, %s, score: %s\n"
1309 dir? dir : "(not contained in table)",
1311 (result && row && row[0])? row[0] : "(no score)",
1322 mysql_free_result(result);
1327 /* might return NULL */
1328 static char *get_current_audio_file(void)
1332 name = para_basename(mmd->filename);
1338 /* print database info */
1339 static int com_info(int fd, int argc, char *argv[])
1341 char *name = NULL, *meta = NULL, *atts = NULL, *dir = NULL;
1342 int ret, com_la = strcmp(argv[0], "info");
1345 ret = -E_GET_AUDIO_FILE;
1346 if (!(name = get_current_audio_file()))
1348 ret = send_va_buffer(fd, "%s\n", name);
1353 if (!(name = escaped_basename(argv[1])))
1356 meta = get_meta(name, 1);
1357 atts = get_atts(name, 0);
1358 dir = get_dir(name);
1360 ret = send_va_buffer(fd, "%s\n", atts);
1362 ret = send_va_buffer(fd, "dir: %s\n" "%s\n" "attributes: %s\n",
1363 dir? dir : "(not contained in table)", meta, atts);
1372 static int change_stream(const char *stream)
1376 query = make_message("update streams set def='%s' "
1377 "where name = 'current_stream'", stream);
1378 ret = real_query(query);
1383 static int get_pic_id_by_name(char *name)
1386 void *result = NULL;
1390 if (!(ebn = escaped_basename(name)))
1392 q = make_message("select pic_id from data where name = '%s'", ebn);
1394 result = get_result(q);
1398 row = mysql_fetch_row(result);
1402 mysql_free_result(result);
1406 static int remove_entry(const char *name)
1408 char *q, *ebn = escaped_basename(name);
1409 int ret = -E_ESCAPE;
1413 q = make_message("delete from data where name = '%s'", ebn);
1414 real_query(q); /* ignore errors */
1416 q = make_message("delete from dir where name = '%s'", ebn);
1417 real_query(q); /* ignore errors */
1425 static int add_entry(const char *name)
1427 char *q, *dn, *ebn = NULL, *edn = NULL;
1430 if (!name || !*name)
1431 return -E_MYSQL_SYNTAX;
1432 ebn = escaped_basename(name);
1435 ret = -E_MYSQL_SYNTAX;
1436 dn = para_dirname(name);
1440 edn = escape_str(dn);
1444 q = make_message("insert into data (name, pic_id) values "
1445 "('%s', '%s')", ebn, "1");
1446 ret = real_query(q);
1447 // ret = 1; PARA_DEBUG_LOG("q: %s\n", q);
1451 q = make_message("insert into dir (name, dir) values "
1452 "('%s', '%s')", ebn, edn);
1453 // ret = 1; PARA_DEBUG_LOG("q: %s\n", q);
1454 ret = real_query(q);
1465 * remove/add entries
1467 static int com_rm_ne(__a_unused int fd, int argc, char *argv[])
1469 int ne = !strcmp(argv[0], "ne");
1472 return -E_MYSQL_SYNTAX;
1473 for (i = 1; i < argc; i++) {
1474 ret = remove_entry(argv[i]);
1479 ret = add_entry(argv[i]);
1489 static int com_mv(__a_unused int fd, int argc, char *argv[])
1491 char *q, *dn, *ebn1 = NULL, *ebn2 = NULL, *edn = NULL;
1495 return -E_MYSQL_SYNTAX;
1497 ebn1 = escaped_basename(argv[1]);
1498 ebn2 = escaped_basename(argv[2]);
1499 if (!ebn1 || !ebn2 | !*ebn1 || !*ebn2)
1501 ret = -E_MYSQL_SYNTAX;
1502 if (!strcmp(ebn1, ebn2))
1504 remove_entry(argv[2]); /* no need to escape, ignore error */
1505 q = make_message("update data set name = '%s' where name = '%s'",
1507 ret = real_query(q);
1511 ret = -E_AUDIO_FILE;
1512 if (!mysql_affected_rows(mysql_ptr))
1514 q = make_message("update dir set name = '%s' where name = '%s'",
1516 ret = real_query(q);
1521 dn = para_dirname(argv[2]);
1525 edn = escape_str(dn);
1532 q = make_message("update dir set dir = '%s' where name = '%s'",
1534 ret = real_query(q);
1544 * picass: associate pic to audio file
1545 * snp: set numplayed
1547 static int com_set(__a_unused int fd, int argc, char *argv[])
1552 const char *field = strcmp(argv[0], "picass")? "numplayed" : "pic_id";
1555 return -E_MYSQL_SYNTAX;
1557 for (i = 2; i < argc; i++) {
1558 ebn = escaped_basename(argv[i]);
1561 q = make_message("update data set %s = %lu "
1562 "where name = '%s'", field, id, ebn);
1564 ret = real_query(q);
1573 * picch: change entry's name in pics table
1575 static int com_picch(__a_unused int fd, int argc, char *argv[])
1582 return -E_MYSQL_SYNTAX;
1585 tmp = escape_str(argv[2]);
1588 q = make_message("update pics set name = '%s' where id = %lu", tmp, id);
1590 ret = real_query(q);
1596 * piclist: print list of pics in db
1598 static int com_piclist(__a_unused int fd, int argc, __a_unused char *argv[])
1600 void *result = NULL;
1602 unsigned long *length;
1606 return -E_MYSQL_SYNTAX;
1607 result = get_result("select id,name,pic from pics order by id");
1610 while ((row = mysql_fetch_row(result))) {
1611 length = mysql_fetch_lengths(result);
1612 if (!row || !row[0] || !row[1] || !row[2])
1614 ret = send_va_buffer(fd, "%s\t%lu\t%s\n", row[0], length[2], row[1]);
1620 mysql_free_result(result);
1625 * picdel: delete picture from database
1627 static int com_picdel(int fd, int argc, char *argv[])
1635 return -E_MYSQL_SYNTAX;
1636 for (i = 1; i < argc; i++) {
1638 q = make_message("delete from pics where id = %lu", id);
1639 ret = real_query(q);
1643 aff = mysql_affected_rows(mysql_ptr);
1645 ret = send_va_buffer(fd, "No such id: %lu\n", id);
1650 q = make_message("update data set pic_id = 1 where pic_id = %lu", id);
1651 ret = real_query(q);
1657 * pic: get picture by name or by number
1659 static int com_pic(int fd, int argc, char *argv[])
1661 void *result = NULL;
1663 unsigned long *length, id;
1665 char *q, *name = NULL;
1668 ret = -E_GET_AUDIO_FILE;
1669 name = get_current_audio_file();
1672 name = escaped_basename(argv[1]);
1677 id = atoi(name + 1);
1679 id = get_pic_id_by_name(name);
1683 q = make_message("select pic from pics where id = '%lu'", id);
1684 result = get_result(q);
1688 row = mysql_fetch_row(result);
1690 if (!row || !row[0])
1692 length = mysql_fetch_lengths(result);
1693 ret = send_bin_buffer(fd, row[0], *length);
1695 mysql_free_result(result);
1700 static int com_strdel(__a_unused int fd, int argc, char *argv[])
1706 return -E_MYSQL_SYNTAX;
1707 tmp = escape_str(argv[1]);
1710 q = make_message("delete from streams where name='%s'", tmp);
1712 ret = real_query(q);
1720 static int com_ls(int fd, int argc, char *argv[])
1725 unsigned int num_rows;
1728 return -E_MYSQL_SYNTAX;
1730 char *tmp = escape_str(argv[1]);
1733 q = make_message("select name from data where name like '%s'",
1737 q = para_strdup("select name from data");
1738 result = get_result(q);
1742 num_rows = mysql_num_rows(result);
1745 ret = print_results(fd, result, 0, 0, num_rows - 1, 0);
1746 mysql_free_result(result);
1753 static int com_summary(__a_unused int fd, int argc, __a_unused char *argv[])
1758 void *result2 = NULL;
1759 const char *fmt = "select count(name) from data where %s='1'";
1760 int ret = -E_NORESULT;
1763 return -E_MYSQL_SYNTAX;
1764 result = get_all_attributes();
1767 while ((row = mysql_fetch_row(result))) {
1774 buf = make_message(fmt, row[0]);
1775 result2 = get_result(buf);
1780 row2 = mysql_fetch_row(result2);
1781 if (!row2 || !row2[0])
1783 ret = send_va_buffer(fd, "%s\t%s\n", row[0], row2[0]);
1790 mysql_free_result(result2);
1792 mysql_free_result(result);
1796 static int get_numplayed(char *name)
1800 const char *fmt = "select numplayed from data where name = '%s'";
1801 char *buf = make_message(fmt, name);
1802 int ret = -E_NORESULT;
1804 result = get_result(buf);
1809 row = mysql_fetch_row(result);
1810 if (!row || !row[0])
1815 mysql_free_result(result);
1819 static int update_audio_file(char *name)
1822 const char *fmt1 = "update data set lastplayed = now() where name = '%s'";
1823 const char *fmt2 = "update data set numplayed = %i where name = '%s'";
1825 char *ebn = escaped_basename(name);
1830 q = make_message(fmt1, ebn);
1831 ret = real_query(q);
1835 ret = get_numplayed(ebn);
1838 q = make_message(fmt2, ret + 1, ebn);
1839 ret = real_query(q);
1846 /* If called as child, mmd_lock must be held */
1847 static void update_mmd(char *info)
1849 PARA_DEBUG_LOG("%s", "updating shared memory area\n");
1850 strncpy(mmd->selector_info, info, MMD_INFO_SIZE - 1);
1851 mmd->selector_info[MMD_INFO_SIZE - 1] = '\0';
1854 static void update_audio_file_server_handler(char *name)
1857 info = get_selector_info(name);
1860 update_audio_file(name);
1863 static int com_us(__a_unused int fd, int argc, char *argv[])
1869 return -E_MYSQL_SYNTAX;
1870 tmp = escape_str(argv[1]);
1873 ret = update_audio_file(argv[1]);
1878 static void refresh_selector_info(void)
1880 char *name = get_current_audio_file();
1885 info = get_selector_info(name);
1893 /* select previous/next stream */
1894 static int com_ps(__a_unused int fd, int argc, char *argv[])
1896 char *query, *stream = get_current_stream();
1897 void *result = get_result("select name from streams");
1899 int match = -1, ret, i;
1900 unsigned int num_rows;
1903 return -E_MYSQL_SYNTAX;
1907 num_rows = mysql_num_rows(result);
1908 ret = -E_EMPTY_RESULT;
1912 for (i = 0; i < num_rows; i++) {
1913 row = mysql_fetch_row(result);
1914 if (!row || !row[0])
1916 if (!strcmp(row[0], "current_stream"))
1918 if (!strcmp(row[0], stream)) {
1926 if (!strcmp(argv[0], "ps"))
1927 i = match > 0? match - 1 : num_rows - 1;
1929 i = match < num_rows - 1? match + 1 : 0;
1931 mysql_data_seek(result, i);
1932 row = mysql_fetch_row(result);
1933 if (!row || !row[0])
1935 if (!strcmp(row[0], "current_stream")) {
1936 if (!strcmp(argv[0], "ps")) {
1938 i = i < 0? i + num_rows : i;
1941 i = i > num_rows - 1? i - num_rows : i;
1943 mysql_data_seek(result, i);
1944 row = mysql_fetch_row(result);
1945 if (!row || !row[0])
1948 query = make_message("update streams set def='%s' where name = "
1949 "'current_stream'", row[0]);
1950 ret = real_query(query);
1952 refresh_selector_info();
1956 mysql_free_result(result);
1961 static int com_streams(int fd, int argc, __a_unused char *argv[])
1963 unsigned int num_rows;
1964 int i, ret = -E_NORESULT;
1968 if (argc > 1 && strcmp(argv[1], "current_stream"))
1969 return -E_MYSQL_SYNTAX;
1971 char *cs = get_current_stream();
1972 ret = send_va_buffer(fd, "%s\n", cs);
1976 result = get_result("select name from streams");
1979 num_rows = mysql_num_rows(result);
1984 for (i = 0; i < num_rows; i++) {
1985 row = mysql_fetch_row(result);
1986 if (!row || !row[0])
1988 if (strcmp(row[0], "current_stream"))
1989 send_va_buffer(fd, "%s\n", row[0]);
1994 mysql_free_result(result);
1998 /* query stream definition */
1999 static int com_strq(int fd, int argc, char *argv[])
2007 ret = -E_GET_STREAM;
2008 name = get_current_stream();
2011 name = escaped_basename(argv[1]);
2016 query = make_message("select def from streams where name='%s'", name);
2018 result = get_result(query);
2023 row = mysql_fetch_row(result);
2024 if (!row || !row[0])
2026 /* no '\n' needed */
2027 ret = send_buffer(fd, row[0]);
2030 mysql_free_result(result);
2034 /* change stream / change stream and play */
2035 static int com_cs(int fd, int argc, char *argv[])
2037 int ret, stream_change;
2038 char *query, *stream = NULL;
2039 char *old_stream = get_current_stream();
2040 int csp = !strcmp(argv[0], "csp");
2042 ret = -E_MYSQL_SYNTAX;
2048 ret = send_va_buffer(fd, "%s\n", old_stream);
2052 /* test if stream is valid, no need to escape argv[1] */
2053 query = get_query(argv[1], NULL, 0);
2058 stream = escape_str(argv[1]);
2061 stream_change = strcmp(stream, old_stream);
2062 if (stream_change) {
2063 ret = change_stream(stream);
2066 refresh_selector_info();
2070 mmd->new_afs_status_flags |= AFS_PLAYING;
2072 mmd->new_afs_status_flags |= AFS_NEXT;
2085 static int com_sl(int fd, int argc, char *argv[])
2087 void *result = NULL;
2089 int ret, i, skip = !strcmp(argv[0], "skip");
2090 char *query, *stream, *tmp;
2091 unsigned int num_rows, num;
2094 return -E_MYSQL_SYNTAX;
2095 num = atoi(argv[1]);
2097 return -E_MYSQL_SYNTAX;
2098 stream = (argc == 2)? get_current_stream() : escape_str(argv[2]);
2099 tmp = get_query(stream, NULL, 0);
2100 query = make_message("%s limit %d", tmp, num);
2107 result = get_result(query);
2111 ret = -E_EMPTY_RESULT;
2112 num_rows = mysql_num_rows(result);
2115 for (i = 0; i < num_rows && i < num; i++) {
2116 row = mysql_fetch_row(result);
2118 send_va_buffer(fd, "Skipping %s\n", row[0]);
2119 update_audio_file(row[0]);
2121 send_va_buffer(fd, "%s\n", row[0]? row[0]: "BUG");
2126 mysql_free_result(result);
2131 * update attributes of name
2133 static int update_atts(int fd, char *name, char *atts)
2136 char *ebn, *q, *old, *new = NULL;
2140 ebn = escaped_basename(name);
2143 q = make_message("update data set %s where name = '%s'", atts, ebn);
2144 old = get_atts(ebn, 0);
2145 send_va_buffer(fd, "old: %s\n", old);
2147 ret = real_query(q);
2151 new = get_atts(ebn, 0);
2152 ret = send_va_buffer(fd, "new: %s\n", new);
2162 static int com_sa(int fd, int argc, char *argv[])
2165 char *atts = NULL, *name;
2168 return -E_MYSQL_SYNTAX;
2169 for (i = 1; i < argc; i++) {
2171 char *esc, *tmp, *p =argv[i];
2172 int len = strlen(p);
2176 switch (p[len - 1]) {
2187 esc = escape_str(p);
2190 tmp = make_message("%s%s='%s'", atts? "," : "", esc,
2193 atts = para_strcat(atts, tmp);
2199 if (i >= argc) { /* no name given, use current af */
2200 ret = -E_GET_AUDIO_FILE;
2201 if (!(name = get_current_audio_file()))
2203 ret = update_atts(fd, name, atts);
2207 for (; argv[i] && ret >= 0; i++)
2208 ret = update_atts(fd, argv[i], atts);
2210 refresh_selector_info();
2219 static int com_cam(int fd, int argc, char *argv[])
2221 char *name = NULL, *meta = NULL, *atts = NULL;
2225 return -E_MYSQL_SYNTAX;
2226 if (!(name = escaped_basename(argv[1])))
2229 if (!(atts = get_atts(name, 1)))
2232 if (!(meta = get_meta(name, 0)))
2234 for (i = 2; i < argc; i++) {
2237 if (!(ebn = escaped_basename(argv[i])))
2239 ret = send_va_buffer(fd, "updating %s\n", ebn);
2244 q = make_message("update data set %s where name = '%s'",
2246 if ((ret = update_atts(fd, ebn, atts)) >= 0)
2247 ret = real_query(q);
2267 static int com_vrfy(int fd, int argc, __a_unused char *argv[])
2270 int ret, vrfy_mode = strcmp(argv[0], "clean");
2271 void *result = NULL;
2272 unsigned int num_rows;
2277 return -E_MYSQL_SYNTAX;
2279 result = get_result("select data.name from data left join dir on "
2280 "dir.name = data.name where dir.name is NULL");
2283 num_rows = mysql_num_rows(result);
2285 ret = send_buffer(fd, "No invalid entries\n");
2289 send_va_buffer(fd, "found %i invalid entr%s\n", num_rows,
2290 num_rows == 1? "y" : "ies");
2291 ret = print_results(fd, result, 0, 0, num_rows - 1, 0);
2294 while ((row = mysql_fetch_row(result))) {
2299 escaped_name = escape_str(row[0]);
2302 send_va_buffer(fd, "deleting %s\n", escaped_name);
2303 query = make_message("delete from data where name = '%s'",
2305 ret = real_query(query);
2313 mysql_free_result(result);
2317 static FILE *out_file;
2319 static int mysql_write_tmp_file(const char *dir, const char *name)
2321 int ret = -E_TMPFILE;
2322 char *msg = make_message("%s\t%s\n", dir, name);
2323 if (fputs(msg, out_file) != EOF)
2332 static int com_upd(int fd, int argc, __a_unused char *argv[])
2334 char *tempname = NULL, *query = NULL;
2335 int ret, out_fd = -1, num = 0;
2336 void *result = NULL;
2337 unsigned int num_rows;
2341 return -E_MYSQL_SYNTAX;
2343 tempname = para_strdup("/tmp/mysql.tmp.XXXXXX");
2344 ret = para_mkstemp(tempname, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
2348 out_file = fdopen(out_fd, "w");
2353 if (find_audio_files(conf.mysql_audio_file_dir_arg, mysql_write_tmp_file) < 0)
2355 num = ftell(out_file);
2357 * we have to make sure the file hit the disk before we call
2362 PARA_DEBUG_LOG("wrote tempfile %s (%d bytes)\n", tempname, num);
2365 if ((ret = real_query("delete from dir")) < 0)
2367 query = make_message("load data infile '%s' ignore into table dir "
2368 "fields terminated by '\t' lines terminated by '\n' "
2369 "(dir, name)", tempname);
2370 ret = real_query(query);
2374 result = get_result("select dir.name from dir left join data on "
2375 "data.name = dir.name where data.name is NULL");
2379 num_rows = mysql_num_rows(result);
2381 ret = send_buffer(fd, "no new entries\n");
2384 while ((row = mysql_fetch_row(result))) {
2389 send_va_buffer(fd, "new entry: %s\n", row[0]);
2390 erow = escape_str(row[0]);
2391 query = make_message("insert into data (name, pic_id) values "
2392 "('%s','%s')", erow, "1");
2394 ret = real_query(query);
2407 mysql_free_result(result);
2411 static char **server_get_audio_file_list(unsigned int num)
2413 char **list = para_malloc((num + 1) * sizeof(char *));
2414 char *tmp, *query, *stream = get_current_stream();
2415 void *result = NULL;
2416 unsigned int num_rows;
2420 tmp = get_query(stream, NULL, 1);
2422 query = make_message("%s limit %d", tmp, num);
2424 result = get_result(query);
2428 num_rows = mysql_num_rows(result);
2431 for (i = 0; i < num_rows && i < num; i++) {
2432 row = mysql_fetch_row(result);
2433 if (!row || !row[0])
2435 list[i] = para_strdup(row[0]);
2448 mysql_free_result(result);
2453 * connect to mysql server, return mysql pointer on success, -E_NOTCONN
2454 * on errors. Called from parent on startup and also from com_cdb().
2456 static int init_mysql_server(void)
2458 char *u = conf.mysql_user_arg? conf.mysql_user_arg : para_logname();
2460 mysql_ptr = mysql_init(NULL);
2462 PARA_CRIT_LOG("%s", "mysql init error\n");
2465 PARA_DEBUG_LOG("connecting: %s@%s:%d\n", u, conf.mysql_host_arg,
2466 conf.mysql_port_arg);
2467 if (!conf.mysql_user_arg)
2470 * If host is NULL a connection to the local host is assumed,
2471 * If user is NULL, the current user is assumed
2473 if (!(mysql_ptr = mysql_real_connect(mysql_ptr,
2474 conf.mysql_host_arg,
2475 conf.mysql_user_arg,
2476 conf.mysql_passwd_arg,
2477 conf.mysql_database_arg,
2478 conf.mysql_port_arg, NULL, 0))) {
2479 PARA_CRIT_LOG("%s", "connect error\n");
2482 PARA_INFO_LOG("%s", "success\n");
2486 /* mmd lock must be held */
2487 static void write_msg2mmd(int success)
2489 sprintf(mmd->selector_info, "dbinfo1:%s\ndbinfo2:mysql-%s\ndbinfo3:\n",
2490 success < 0? PARA_STRERROR(-success) :
2491 "successfully connected to mysql server",
2492 success < 0? "" : mysql_get_server_info(mysql_ptr));
2495 /* create database */
2496 static int com_cdb(int fd, int argc, char *argv[])
2502 PARA_INFO_LOG("%s", "closing database\n");
2503 mysql_close(mysql_ptr);
2505 /* dont use any database */
2506 conf.mysql_database_arg = NULL; /* leak? */
2507 ret = -E_MYSQL_INIT;
2508 if (init_mysql_server() < 0 || !mysql_ptr)
2511 conf.mysql_database_arg = para_strdup("paraslash");
2513 conf.mysql_database_arg = escape_str(argv[1]);
2514 query = make_message("create database %s", conf.mysql_database_arg);
2515 ret = real_query(query);
2519 /* reconnect with database just created */
2520 mysql_close(mysql_ptr);
2521 ret = -E_MYSQL_INIT;
2522 if (init_mysql_server() < 0 || !mysql_ptr)
2528 if (real_query("create table data (name varchar(255) binary not null "
2530 "lastplayed datetime not null default "
2532 "numplayed int not null default 0, "
2533 "pic_id bigint unsigned not null default 1)") < 0)
2535 if (real_query("create table dir (name varchar(255) binary not null "
2536 "primary key, dir varchar(255) default null)") < 0)
2538 if (real_query("create table pics ("
2539 "id bigint(20) unsigned not null primary key "
2541 "name varchar(255) binary not null, "
2542 "pic mediumblob not null)") < 0)
2544 if (real_query("create table streams ("
2545 "name varchar(255) binary not null primary key, "
2546 "def blob not null)") < 0)
2548 if (real_query("insert into streams (name, def) values "
2549 "('current_stream', '(none)')") < 0)
2551 ret = send_va_buffer(fd, "successfully created database %s\n",
2552 conf.mysql_database_arg);
2557 static void shutdown_connection(void)
2560 PARA_NOTICE_LOG("%s", "shutting down mysql connection\n");
2561 mysql_close(mysql_ptr);
2567 * the init function of the mysql-based audio file selector
2569 * Check the command line options and initialize all function pointers of \a db.
2570 * Connect to the mysql server and initialize the info string.
2572 * \sa struct audio_file_selector, misc_meta_data::selector_info,
2575 int mysql_selector_init(struct audio_file_selector *db)
2579 if (!conf.mysql_passwd_given)
2580 return -E_NO_MYSQL_PASSWD;
2581 if (!conf.mysql_audio_file_dir_given)
2582 return -E_NO_AF_DIR;
2584 db->cmd_list = cmds;
2585 db->get_audio_file_list = server_get_audio_file_list;
2586 db->update_audio_file = update_audio_file_server_handler;
2587 db->shutdown = shutdown_connection;
2588 ret = init_mysql_server();
2590 PARA_WARNING_LOG("%s\n", PARA_STRERROR(-ret));
2592 return 1; /* return success even if connect failed to give the
2593 * user the chance to exec com_cdb