139 lines
3.1 KiB
C++
139 lines
3.1 KiB
C++
/*
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* Copyright (C) 2003-2014 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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#include "Stats.hxx"
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#include "PlayerControl.hxx"
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#include "Client.hxx"
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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 "DatabaseSimple.hxx"
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#include "util/Error.hxx"
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#include "system/Clock.hxx"
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#include "Log.hxx"
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#ifndef WIN32
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/**
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* The monotonic time stamp when MPD was started. It is used to
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* calculate the uptime.
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*/
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static unsigned start_time;
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#endif
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static DatabaseStats stats;
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enum class StatsValidity : uint8_t {
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INVALID, VALID, FAILED,
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};
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static StatsValidity stats_validity = StatsValidity::INVALID;
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void stats_global_init(void)
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{
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#ifndef WIN32
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start_time = MonotonicClockS();
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#endif
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}
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void
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stats_invalidate()
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{
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assert(GetDatabase() != nullptr);
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stats_validity = StatsValidity::INVALID;
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}
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static bool
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stats_update()
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{
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switch (stats_validity) {
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case StatsValidity::INVALID:
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break;
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case StatsValidity::VALID:
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return true;
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case StatsValidity::FAILED:
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return false;
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}
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Error error;
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const DatabaseSelection selection("", true);
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if (GetDatabase()->GetStats(selection, stats, error)) {
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stats_validity = StatsValidity::VALID;
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return true;
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} else {
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LogError(error);
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stats_validity = StatsValidity::FAILED;
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return true;
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}
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}
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static void
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db_stats_print(Client &client)
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{
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assert(GetDatabase() != nullptr);
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if (!db_is_simple())
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/* reload statistics if we're using the "proxy"
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database plugin */
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/* TODO: move this into the "proxy" database plugin as
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an "idle" handler */
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stats_invalidate();
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if (!stats_update())
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return;
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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: %u\n"
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"db_playtime: %lu\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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stats.total_duration);
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const time_t update_stamp = GetDatabase()->GetUpdateStamp();
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if (update_stamp > 0)
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client_printf(client,
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"db_update: %lu\n",
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(unsigned long)update_stamp);
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}
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void
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stats_print(Client &client)
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{
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client_printf(client,
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"uptime: %u\n"
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"playtime: %lu\n",
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#ifdef WIN32
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GetProcessUptimeS(),
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#else
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MonotonicClockS() - start_time,
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#endif
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(unsigned long)(client.player_control.GetTotalPlayTime() + 0.5));
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if (GetDatabase() != nullptr)
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db_stats_print(client);
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}
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