/*
- * Copyright (C) 2004-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2004-2007 Andre Noll <maan@systemlinux.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file random_selector.c An audio file selector which chooses files by random */
#include <sys/time.h> /* gettimeofday */
+#include "para.h"
#include "server.cmdline.h"
+#include "afh.h"
#include "server.h"
-#include "db.h"
+#include "afs_common.h"
#include "error.h"
#include "net.h"
#include "string.h"
+#include "random_selector_command_list.h"
-static int com_random_info(int, int, char **);
-extern struct gengetopt_args_info conf;
extern struct misc_meta_data *mmd;
static unsigned int num_audio_files, audio_file_count;
static char **audio_file_list;
-static int count_audio_files(__unused const char *dir, __unused const char *name)
+static int count_audio_files(__a_unused const char *dir, __a_unused const char *name)
{
num_audio_files++;
return 1;
static int remember_file(const char *dir, const char *name)
{
- if (audio_file_count >= num_audio_files)
- return -E_FILE_COUNT;
- audio_file_list[audio_file_count] = make_message("%s/%s", dir, name);
- audio_file_count++;
+ if (audio_file_count < num_audio_files) {
+ audio_file_list[audio_file_count] =
+ make_message("%s/%s", dir, name);
+ audio_file_count++;
+ }
return 1;
}
-/* array of commands that are supported by this selector */
-static struct server_command cmds[] = {
-{
-.name = "random_info",
-.handler = com_random_info,
-.perms = 0,
-.description = "about the random audio file selector",
-.synopsis = "random_info",
-.help =
-
-"Select a random file under the given directory"
-}, {
-.name = NULL,
-}
-};
-
-static int com_random_info(int fd, __unused int argc, __unused char *argv[])
+int com_random_info(int fd, __a_unused int argc, __a_unused char * const * const argv)
{
return send_buffer(fd, "Don't use for huge directories as it is "
"very inefficient in this case.\n");
goto out;
/* careful, files might got deleted underneath */
num_audio_files = audio_file_count; /* can only decrease */
- len = MIN(num, num_audio_files);
+ len = PARA_MIN(num, num_audio_files);
ret = -E_NOTHING_FOUND;
if (!len) /* nothing found, return NULL */
goto out;
/ (RAND_MAX + 1.0)));
ret_list[i] = para_strdup(audio_file_list[r]);
}
+ ret = 1;
out:
if (audio_file_list) {
for (i = 0; i < num_audio_files; i++)
free(audio_file_list[i]);
free(audio_file_list);
}
-// if (ret < 0)
-// PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
+ if (ret > 0) {
+ } else
+ sprintf(mmd->selector_info, "dbinfo1:%s\n", PARA_STRERROR(-ret));
return ret_list;
}
+static void random_update_audio_file(char *audio_file)
+{
+ char *dn = para_dirname(audio_file);
+ snprintf(mmd->selector_info, MMD_INFO_SIZE - 1,
+ "dbinfo1:current dir: %s\n"
+ "dbinfo2:random_dir: %s\n"
+ "dbinfo3:%d files available\n",
+ dn, conf.random_dir_arg, num_audio_files);
+ free(dn);
+ mmd->selector_info[MMD_INFO_SIZE - 1] = '\0';
+}
static void random_shutdown(void)
{
}
/**
- * the init function for the random audio file selector
+ * the init function for the random audio file selector
+ *
+ * \param s pointer ro the struct to iniitalize
*
- * Init all function pointers of \a db, init the info text and seed the
- * PRNG.
+ * Init all function pointers of \a s, init the info text and seed the PRNG.
*
* \sa struct audio_file_selector, misc_meta_data::selector_info, mysql.c
*/
-int random_selector_init(struct audio_file_selector *db)
+int random_selector_init(struct audio_file_selector *s)
{
struct timeval now;
+ unsigned int seed;
PARA_INFO_LOG("%s", "registering random handlers ;)\n");
- sprintf(mmd->selector_info, "dbinfo1:database info? You're kidding. "
- "I'm still dopey!\ndbinfo2:\ndbinfo3:\n");
gettimeofday(&now, NULL);
- srand(now.tv_usec);
- db->cmd_list = cmds;
- db->get_audio_file_list = random_get_audio_file_list;
- db->shutdown = random_shutdown;
+ seed = now.tv_usec;
+ srand(seed);
+ s->cmd_list = random_selector_cmds;
+ s->get_audio_file_list = random_get_audio_file_list;
+ s->shutdown = random_shutdown;
+ s->update_audio_file = random_update_audio_file;
+ snprintf(mmd->selector_info, MMD_INFO_SIZE - 1,
+ "dbinfo1: Welcome to the random selector\n"
+ "dbinfo2: random_dir: %s\n", conf.random_dir_arg);
+ mmd->selector_info[MMD_INFO_SIZE - 1] = '\0';
return 1;
}