/[scripts]/trunk/dwm-status.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /trunk/dwm-status.pl

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Revision 31 - (show annotations)
Sat May 26 23:47:35 2007 UTC (15 years, 6 months ago) by dpavlin
File MIME type: text/plain
File size: 2418 byte(s)
poll acpi very 10 * 3 s, debug with any command-line param,
network traffic < 1 now decimal, added present rate in W

1 #!/usr/bin/perl -w
2
3 # dwm-status.pl
4 #
5 # 05/26/07 23:08:31 CEST Dobrica Pavlinusic <dpavlin@rot13.org>
6
7 use strict;
8 use POSIX qw/strftime/;
9 use File::Slurp;
10 use Time::HiRes;
11 use Data::Dump qw/dump/;
12
13 my $dt = 3;
14 my $acpi_every = 10;
15
16 my $debug = shift @ARGV;
17
18 $|=1;
19
20 sub proc2hash {
21 my $f = shift;
22 open(my $fh, '<', $f) || die "can't open $f: $!";
23 my $h;
24 while(<$fh>) {
25 chomp;
26 my ( $key, $value ) = split(/:\s+/, $_, 2);
27 $value =~ s/ m[VW]h*$//;
28 $h->{$key} = $value;
29 }
30 warn dump( $h ) if ( $debug );
31 return $h;
32 }
33
34 sub unit {
35 my $v = shift;
36
37 warn "unit( $v )\n" if ($debug);
38
39 my @units = qw/b k m g/;
40 my $o = 0;
41
42 while ( ( $v / 1024 ) >= 1 ) {
43 $o++;
44 $v /= 1024;
45 }
46
47 if ( $v >= 1 ) {
48 return sprintf("%d%s/s", $v, $units[$o]);
49 } else {
50 return sprintf("%.1f%s/s", $v, $units[$o]);
51 }
52 }
53
54 my ( $lrx, $ltx ) = ( 0, 0 );
55 my $bat;
56
57 my $i = 0;
58
59 while ( 1 ) {
60 my $s = strftime("%Y-%m-%d %H:%M:%S", localtime());
61
62 if ( $i % $acpi_every == 0 ) {
63
64 $bat->{state} = proc2hash( '/proc/acpi/battery/BAT0/state' );
65 $bat->{info} = proc2hash( '/proc/acpi/battery/BAT0/info' );
66
67 $bat->{pcnt} = $bat->{state}->{'remaining capacity'} / $bat->{info}->{'design capacity'};
68
69 my $time = ( $bat->{info}->{'design capacity'} - $bat->{state}->{'remaining capacity'} ) / $bat->{state}->{'present rate'};
70
71 warn "time = $time\n" if ($debug);
72
73 $bat->{hh} = int( $time );
74 $bat->{mm} = int( ( $time - $bat->{hh} ) * 60 );
75 $bat->{ss} = ( $time * 3600 ) % 60;
76
77 $bat->{new} = '!';
78
79 } else {
80 $bat->{new} = ' ';
81 }
82 $i++;
83
84 my $load = read_file('/proc/loadavg');
85 chomp( $load );
86 $load =~ s!\s\d+/\d+.*!!;
87
88 my $temp = read_file('/proc/acpi/thermal_zone/THM0/temperature');
89 chomp( $temp );
90 $temp =~ s!^.*:\s+!!;
91
92 my $net = read_file('/proc/net/dev');
93 my ( $rx, $tx ) = ( 0,0 );
94
95 foreach ( split(/\n/, $net) ) {
96 s/^\s+//;
97 my @n = split(/\s+/, $_, 17);
98 next unless ( $n[0] =~ m!(eth\d|ath\d):! );
99
100 warn dump( @n ) if ($debug);
101 $rx += $n[1];
102 $tx += $n[9];
103 }
104 warn "rx: $rx tx: $tx\n" if ($debug);
105
106 my $r = ( $rx - $lrx ) / $dt;
107 my $t = ( $tx - $ltx ) / $dt;
108 ( $lrx, $ltx ) = ( $rx, $tx );
109
110 printf "%s | %s |%6s >> %-6s| %s %2d%% %02d:%02d:%02d %3.1fW%s| %s\n",
111 $s,
112 $load,
113 unit( $r ), unit( $t ),
114 substr($bat->{state}->{'charging state'},0,1), $bat->{pcnt} * 100, $bat->{hh}, $bat->{mm}, $bat->{ss},
115 $bat->{state}->{'present rate'} / 1000, $bat->{new},
116 $temp;
117
118 sleep $dt;
119 }
120

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