From 0a3ada4fead32da5b6cd1b4738fbe4304e028213 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Thu, 2 Aug 2012 18:55:53 +0200 Subject: stats: convert to C++ --- src/Stats.cxx | 133 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ src/stats.c | 128 ------------------------------------------------------- 2 files changed, 133 insertions(+), 128 deletions(-) create mode 100644 src/Stats.cxx delete mode 100644 src/stats.c (limited to 'src') diff --git a/src/Stats.cxx b/src/Stats.cxx new file mode 100644 index 000000000..fa76893f1 --- /dev/null +++ b/src/Stats.cxx @@ -0,0 +1,133 @@ +/* + * 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 "db_selection.h" +#include "tag.h" +#include "song.h" +#include "client.h" +#include "player_control.h" +#include "strset.h" +#include "client_internal.h" +} + +#include "DatabaseGlue.hxx" +#include "DatabasePlugin.hxx" + +#include +#include + +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 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, struct 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; + + struct db_selection selection; + db_selection_init(&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" + "db_update: %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, + (long)db_get_mtime()); + return 0; +} diff --git a/src/stats.c b/src/stats.c deleted file mode 100644 index fe6a064a6..000000000 --- a/src/stats.c +++ /dev/null @@ -1,128 +0,0 @@ -/* - * 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" -#include "stats.h" -#include "database.h" -#include "db_visitor.h" -#include "tag.h" -#include "song.h" -#include "client.h" -#include "player_control.h" -#include "strset.h" -#include "client_internal.h" - -struct stats stats; - -void stats_global_init(void) -{ - stats.timer = g_timer_new(); -} - -void stats_global_finish(void) -{ - g_timer_destroy(stats.timer); -} - -struct visit_data { - struct strset *artists; - struct strset *albums; -}; - -static void -visit_tag(struct visit_data *data, 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: - strset_add(data->artists, item->value); - break; - - case TAG_ALBUM: - strset_add(data->albums, item->value); - break; - - default: - break; - } - } -} - -static bool -collect_stats_song(struct song *song, void *_data, - G_GNUC_UNUSED GError **error_r) -{ - struct visit_data *data = _data; - - ++stats.song_count; - - if (song->tag != NULL) - visit_tag(data, song->tag); - - return true; -} - -static const struct db_visitor collect_stats_visitor = { - .song = collect_stats_song, -}; - -void stats_update(void) -{ - struct visit_data data; - - stats.song_count = 0; - stats.song_duration = 0; - stats.artist_count = 0; - - data.artists = strset_new(); - data.albums = strset_new(); - - db_walk("", &collect_stats_visitor, &data, NULL); - - stats.artist_count = strset_size(data.artists); - stats.album_count = strset_size(data.albums); - - strset_free(data.artists); - strset_free(data.albums); -} - -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" - "db_update: %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, - (long)db_get_mtime()); - return 0; -} -- cgit v1.2.3