1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*
* Copyright (C) 2003-2014 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.hxx"
#include "PlayerControl.hxx"
#include "Client.hxx"
#include "DatabaseSelection.hxx"
#include "DatabaseGlue.hxx"
#include "DatabasePlugin.hxx"
#include "DatabaseSimple.hxx"
#include "util/Error.hxx"
#include "system/Clock.hxx"
#include "Log.hxx"
#ifndef WIN32
/**
* The monotonic time stamp when MPD was started. It is used to
* calculate the uptime.
*/
static unsigned start_time;
#endif
static DatabaseStats stats;
enum class StatsValidity : uint8_t {
INVALID, VALID, FAILED,
};
static StatsValidity stats_validity = StatsValidity::INVALID;
void stats_global_init(void)
{
#ifndef WIN32
start_time = MonotonicClockS();
#endif
}
void
stats_invalidate()
{
assert(GetDatabase() != nullptr);
stats_validity = StatsValidity::INVALID;
}
static bool
stats_update()
{
switch (stats_validity) {
case StatsValidity::INVALID:
break;
case StatsValidity::VALID:
return true;
case StatsValidity::FAILED:
return false;
}
Error error;
const DatabaseSelection selection("", true);
if (GetDatabase()->GetStats(selection, stats, error)) {
stats_validity = StatsValidity::VALID;
return true;
} else {
LogError(error);
stats_validity = StatsValidity::FAILED;
return true;
}
}
static void
db_stats_print(Client &client)
{
assert(GetDatabase() != nullptr);
if (!db_is_simple())
/* reload statistics if we're using the "proxy"
database plugin */
/* TODO: move this into the "proxy" database plugin as
an "idle" handler */
stats_invalidate();
if (!stats_update())
return;
client_printf(client,
"artists: %u\n"
"albums: %u\n"
"songs: %u\n"
"db_playtime: %lu\n",
stats.artist_count,
stats.album_count,
stats.song_count,
stats.total_duration);
const time_t update_stamp = GetDatabase()->GetUpdateStamp();
if (update_stamp > 0)
client_printf(client,
"db_update: %lu\n",
(unsigned long)update_stamp);
}
void
stats_print(Client &client)
{
client_printf(client,
"uptime: %u\n"
"playtime: %lu\n",
#ifdef WIN32
GetProcessUptimeS(),
#else
MonotonicClockS() - start_time,
#endif
(unsigned long)(client.player_control.GetTotalPlayTime() + 0.5));
if (GetDatabase() != nullptr)
db_stats_print(client);
}
|
