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/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
extern "C" {
#include "stats.h"
#include "database.h"
#include "tag.h"
#include "song.h"
#include "client.h"
#include "player_control.h"
#include "strset.h"
#include "client_internal.h"
}
#include "DatabaseSelection.hxx"
#include "DatabaseGlue.hxx"
#include "DatabasePlugin.hxx"
#include <functional>
#include <set>
struct stats stats;
void stats_global_init(void)
{
stats.timer = g_timer_new();
}
void stats_global_finish(void)
{
g_timer_destroy(stats.timer);
}
struct StringLess {
gcc_pure
bool operator()(const char *a, const char *b) const {
return strcmp(a, b) < 0;
}
};
typedef std::set<const char *, StringLess> StringSet;
static void
visit_tag(StringSet &artists, StringSet &albums, const struct tag *tag)
{
if (tag->time > 0)
stats.song_duration += tag->time;
for (unsigned i = 0; i < tag->num_items; ++i) {
const struct tag_item *item = tag->items[i];
switch (item->type) {
case TAG_ARTIST:
artists.insert(item->value);
break;
case TAG_ALBUM:
albums.insert(item->value);
break;
default:
break;
}
}
}
static bool
collect_stats_song(StringSet &artists, StringSet &albums, song &song)
{
++stats.song_count;
if (song.tag != NULL)
visit_tag(artists, albums, song.tag);
return true;
}
void stats_update(void)
{
stats.song_count = 0;
stats.song_duration = 0;
stats.artist_count = 0;
const DatabaseSelection selection("", true);
StringSet artists, albums;
using namespace std::placeholders;
const auto f = std::bind(collect_stats_song,
std::ref(artists), std::ref(albums), _1);
GetDatabase()->Visit(selection, f, NULL);
stats.artist_count = artists.size();
stats.album_count = albums.size();
}
int stats_print(struct client *client)
{
client_printf(client,
"artists: %u\n"
"albums: %u\n"
"songs: %i\n"
"uptime: %li\n"
"playtime: %li\n"
"db_playtime: %li\n",
stats.artist_count,
stats.album_count,
stats.song_count,
(long)g_timer_elapsed(stats.timer, NULL),
(long)(pc_get_total_play_time(client->player_control) + 0.5),
stats.song_duration);
if (db_is_simple())
client_printf(client,
"db_update: %li\n",
(long)db_get_mtime());
return 0;
}
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