137 lines
3.0 KiB
C++
137 lines
3.0 KiB
C++
/*
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* Copyright (C) 2003-2011 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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extern "C" {
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#include "stats.h"
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#include "database.h"
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#include "tag.h"
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#include "song.h"
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#include "client.h"
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#include "player_control.h"
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#include "strset.h"
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#include "client_internal.h"
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}
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#include "DatabaseSelection.hxx"
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#include "DatabaseGlue.hxx"
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#include "DatabasePlugin.hxx"
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#include <functional>
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#include <set>
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struct stats stats;
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void stats_global_init(void)
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{
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stats.timer = g_timer_new();
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}
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void stats_global_finish(void)
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{
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g_timer_destroy(stats.timer);
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}
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struct StringLess {
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gcc_pure
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bool operator()(const char *a, const char *b) const {
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return strcmp(a, b) < 0;
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}
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};
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typedef std::set<const char *, StringLess> StringSet;
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static void
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visit_tag(StringSet &artists, StringSet &albums, const struct tag *tag)
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{
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if (tag->time > 0)
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stats.song_duration += tag->time;
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for (unsigned i = 0; i < tag->num_items; ++i) {
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const struct tag_item *item = tag->items[i];
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switch (item->type) {
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case TAG_ARTIST:
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artists.insert(item->value);
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break;
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case TAG_ALBUM:
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albums.insert(item->value);
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break;
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default:
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break;
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}
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}
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}
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static bool
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collect_stats_song(StringSet &artists, StringSet &albums, song &song)
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{
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++stats.song_count;
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if (song.tag != NULL)
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visit_tag(artists, albums, song.tag);
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return true;
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}
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void stats_update(void)
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{
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stats.song_count = 0;
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stats.song_duration = 0;
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stats.artist_count = 0;
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const DatabaseSelection selection("", true);
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StringSet artists, albums;
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using namespace std::placeholders;
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const auto f = std::bind(collect_stats_song,
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std::ref(artists), std::ref(albums), _1);
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GetDatabase()->Visit(selection, f, NULL);
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stats.artist_count = artists.size();
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stats.album_count = albums.size();
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}
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int stats_print(struct client *client)
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{
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client_printf(client,
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"artists: %u\n"
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"albums: %u\n"
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"songs: %i\n"
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"uptime: %li\n"
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"playtime: %li\n"
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"db_playtime: %li\n",
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stats.artist_count,
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stats.album_count,
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stats.song_count,
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(long)g_timer_elapsed(stats.timer, NULL),
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(long)(pc_get_total_play_time(client->player_control) + 0.5),
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stats.song_duration);
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if (db_is_simple())
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client_printf(client,
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"db_update: %li\n",
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(long)db_get_mtime());
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return 0;
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}
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