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
|
// Copyright (C) 2020-2022 Joel Rosdahl and other contributors
//
// See doc/AUTHORS.adoc for a complete list of contributors.
//
// 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 3 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
#pragma once
#include <core/StatisticsCounters.hpp>
#include <util/TimePoint.hpp>
#include <cstdint>
#include <ctime>
#include <string>
#include <unordered_map>
#include <vector>
class Config;
namespace core {
class Statistics
{
public:
Statistics(const StatisticsCounters& counters);
// Return machine-readable strings representing the statistics counters.
std::vector<std::string> get_statistics_ids() const;
// Format cache statistics in human-readable format.
std::string format_human_readable(const Config& config,
const util::TimePoint& last_updated,
uint8_t verbosity,
bool from_log) const;
// Format cache statistics in machine-readable format.
std::string
format_machine_readable(const util::TimePoint& last_updated) const;
const StatisticsCounters& counters() const;
static std::unordered_map<std::string, Statistic> get_id_map();
static std::vector<Statistic> get_zeroable_fields();
private:
const StatisticsCounters m_counters;
uint64_t count_stats(unsigned flags) const;
std::vector<std::pair<std::string, uint64_t>> get_stats(unsigned flags,
bool all) const;
};
// --- Inline implementations ---
inline const StatisticsCounters&
Statistics::counters() const
{
return m_counters;
}
} // namespace core
|
