-/*
- * Copyright (C) 2004-2006 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.
- */
-
-/** \file dopey.c Simple database tool implementation. Feel free to modify. */
-
-#include <sys/time.h> /* gettimeofday */
-#include "server.cmdline.h"
-#include "server.h"
-#include "db.h"
-#include "error.h"
-#include "net.h"
-#include "string.h"
-
-static int com_dopey(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)
-{
- 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++;
- return 1;
-}
-
-/* array of commands that are supported by this database tool */
-static struct server_command cmds[] = {
-{
-.name = "dopey",
-.handler = com_dopey,
-.perms = 0,
-.description = "about the dopey database tool",
-.synopsis = "dopey",
-.help =
-
-"It's so dumb. It hurts. Don't use it; switch to the mysql database\n"
-"tool instead. OTOH: You typed 'help dopey', so if you serious about\n"
-"that and you really intend to help the dopey database tool, look at\n"
-"my source code, dopey.c, and modify it to make it something useful.\n"
-
-}, {
-.name = NULL,
-}
-};
-
-static int com_dopey(int fd, __unused int argc, __unused char *argv[])
-{
- return send_buffer(fd, "Please do not use me. I'm too sick to do "
- "anything for you. Switch me off. Now!\n");
-}
-
-/*
- * Load a list of all audio files into memory and chose num of them randomly.
- * Called by server to determine next audio file to be streamed.
- */
-static char **dopey_get_audio_file_list(unsigned int num)
-{
- int i, ret;
- unsigned int len;
- char **ret_list = NULL; /* what we are going to return */
-
- audio_file_list = NULL;
- num_audio_files = 0;
- /* first run, just count all audio files. dopey */
- ret = find_audio_files(conf.dopey_dir_arg, count_audio_files);
- if (ret < 0)
- goto out;
- ret = -E_NOTHING_FOUND;
- if (!num_audio_files)
- goto out;
- /* yeah, that doesn't scale, also dopey */
- audio_file_list = para_malloc(num_audio_files * sizeof(char *));
- audio_file_count = 0;
- /* second run (hot dentry cache, hopefully), fill audio_file_list */
- ret = find_audio_files(conf.dopey_dir_arg, remember_file);
- if (ret < 0)
- goto out;
- /* careful, files might got deleted underneath */
- num_audio_files = audio_file_count; /* can only decrease */
- len = MIN(num, num_audio_files);
- ret = -E_NOTHING_FOUND;
- if (!len) /* nothing found, return NULL */
- goto out;
- /* success, return NULL-terminated list */
- ret_list = para_calloc((len + 1) * sizeof(char *));
- for (i = 0; i < len; i++) { /* choose randomly */
- int r = (int) ((num_audio_files + 0.0) * (rand()
- / (RAND_MAX + 1.0)));
- ret_list[i] = para_strdup(audio_file_list[r]);
- }
-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));
- return ret_list;
-}
-
-static void dopey_shutdown(void)
-{
- PARA_DEBUG_LOG("%s", "thanks for using another dbtool.\n");
-}
-
-/** dopey's (constant) database info text */
-#define DBINFO "dbinfo1:database info? You're kidding. I'm dopey!\ndbinfo2:\ndbinfo3:\n"
-
-/** the dopey init function
- *
- * Init all function pointers of \a db, init the dbinfo text and seed the
- * PRNG.
- *
- * \sa struct dbtool, misc_meta_data::dbinfo, mysql.c
- */
-int dopey_dbtool_init(struct dbtool *db)
-{
- struct timeval now;
-
- PARA_INFO_LOG("%s", "registering dopey handlers\n");
- sprintf(mmd->dbinfo, DBINFO);
- gettimeofday(&now, NULL);
- srand(now.tv_usec);
- db->cmd_list = cmds;
- db->get_audio_file_list = dopey_get_audio_file_list;
- db->shutdown = dopey_shutdown;
- return 1;
-}