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Commit | Line | Data |
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1 | package PVE::Format; | |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
6 | use POSIX qw(strftime round); | |
7 | ||
8 | use base 'Exporter'; | |
9 | our @EXPORT_OK = qw( | |
10 | render_timestamp | |
11 | render_timestamp_gmt | |
12 | render_duration | |
13 | render_fraction_as_percentage | |
14 | render_bytes | |
15 | ); | |
16 | ||
17 | sub render_timestamp { | |
18 | my ($epoch) = @_; | |
19 | ||
20 | # ISO 8601 date format | |
21 | return strftime("%F %H:%M:%S", localtime($epoch)); | |
22 | } | |
23 | ||
24 | sub render_timestamp_gmt { | |
25 | my ($epoch) = @_; | |
26 | ||
27 | # ISO 8601 date format, standard Greenwich time zone | |
28 | return strftime("%F %H:%M:%S", gmtime($epoch)); | |
29 | } | |
30 | ||
31 | sub render_duration { | |
32 | my ($duration_in_seconds) = @_; | |
33 | ||
34 | my $text = ''; | |
35 | my $rest = round($duration_in_seconds // 0); | |
36 | ||
37 | return "0s" if !$rest; | |
38 | ||
39 | my $step = sub { | |
40 | my ($unit, $unitlength) = @_; | |
41 | ||
42 | if ((my $v = int($rest/$unitlength)) > 0) { | |
43 | $text .= " " if length($text); | |
44 | $text .= "${v}${unit}"; | |
45 | $rest -= $v * $unitlength; | |
46 | } | |
47 | }; | |
48 | ||
49 | $step->('w', 7*24*3600); | |
50 | $step->('d', 24*3600); | |
51 | $step->('h', 3600); | |
52 | $step->('m', 60); | |
53 | $step->('s', 1); | |
54 | ||
55 | return $text; | |
56 | } | |
57 | ||
58 | sub render_fraction_as_percentage { | |
59 | my ($fraction) = @_; | |
60 | ||
61 | return sprintf("%.2f%%", $fraction*100); | |
62 | } | |
63 | ||
64 | sub render_bytes { | |
65 | my ($value, $precision) = @_; | |
66 | ||
67 | my @units = qw(B KiB MiB GiB TiB PiB); | |
68 | ||
69 | my $max_unit = 0; | |
70 | if ($value > 1023) { | |
71 | $max_unit = int(log($value)/log(1024)); | |
72 | $value /= 1024**($max_unit); | |
73 | } | |
74 | my $unit = $units[$max_unit]; | |
75 | return sprintf "%." . ($precision || 2) . "f $unit", $value; | |
76 | } | |
77 | ||
78 | 1; |