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Commit | Line | Data |
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57b33852 SR |
1 | package PVE::Format; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
4997835b | 6 | use POSIX qw(strftime round); |
57b33852 SR |
7 | use PVE::JSONSchema; |
8 | ||
9 | use base 'Exporter'; | |
10 | our @EXPORT_OK = qw( | |
11 | render_timestamp | |
12 | render_timestamp_gmt | |
13 | render_duration | |
14 | render_fraction_as_percentage | |
15 | render_bytes | |
16 | ); | |
17 | ||
18 | sub render_timestamp { | |
19 | my ($epoch) = @_; | |
20 | ||
21 | # ISO 8601 date format | |
22 | return strftime("%F %H:%M:%S", localtime($epoch)); | |
23 | } | |
24 | ||
25 | sub render_timestamp_gmt { | |
26 | my ($epoch) = @_; | |
27 | ||
28 | # ISO 8601 date format, standard Greenwich time zone | |
29 | return strftime("%F %H:%M:%S", gmtime($epoch)); | |
30 | } | |
31 | ||
32 | sub render_duration { | |
33 | my ($duration_in_seconds) = @_; | |
34 | ||
35 | my $text = ''; | |
4997835b SR |
36 | my $rest = round($duration_in_seconds // 0); |
37 | ||
38 | return "0s" if !$rest; | |
57b33852 SR |
39 | |
40 | my $step = sub { | |
41 | my ($unit, $unitlength) = @_; | |
42 | ||
43 | if ((my $v = int($rest/$unitlength)) > 0) { | |
44 | $text .= " " if length($text); | |
45 | $text .= "${v}${unit}"; | |
46 | $rest -= $v * $unitlength; | |
47 | } | |
48 | }; | |
49 | ||
50 | $step->('w', 7*24*3600); | |
51 | $step->('d', 24*3600); | |
52 | $step->('h', 3600); | |
53 | $step->('m', 60); | |
54 | $step->('s', 1); | |
55 | ||
56 | return $text; | |
57 | } | |
58 | ||
59 | sub render_fraction_as_percentage { | |
60 | my ($fraction) = @_; | |
61 | ||
62 | return sprintf("%.2f%%", $fraction*100); | |
63 | } | |
64 | ||
65 | sub render_bytes { | |
66 | my ($value, $precision) = @_; | |
67 | ||
68 | my @units = qw(B KiB MiB GiB TiB PiB); | |
69 | ||
70 | my $max_unit = 0; | |
71 | if ($value > 1023) { | |
72 | $max_unit = int(log($value)/log(1024)); | |
73 | $value /= 1024**($max_unit); | |
74 | } | |
75 | my $unit = $units[$max_unit]; | |
76 | return sprintf "%." . ($precision || 2) . "f $unit", $value; | |
77 | } | |
78 | ||
79 | 1; |