/[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 59 - (show annotations)
Fri Jan 18 19:10:10 2008 UTC (14 years, 10 months ago) by dpavlin
File MIME type: text/plain
File size: 4168 byte(s)
remove awesome left-overs

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 $disk_blk_size = 512;
17
18 my $debug = shift @ARGV;
19
20 $|=1;
21
22 sub proc2hash {
23 my $f = shift;
24 return unless -f $f;
25 open(my $fh, '<', $f) || die "can't open $f: $!";
26 my $h;
27 while(<$fh>) {
28 chomp;
29 my ( $key, $value ) = split(/:\s+/, $_, 2);
30 $value =~ s/ m[VW]h*$//;
31 $h->{$key} = $value;
32 }
33 warn "$f ",dump( $h ) if ( $debug );
34 return $h;
35 }
36
37 my $proc_acpi_battery;
38 sub find_proc_acpi {
39 my ( $path, $check ) = @_;
40
41 if ( -e "/proc/acpi/$path" ) {
42 opendir(my $items, "/proc/acpi/$path") || die "can't open /proc/acpi/$path: $!";
43 foreach my $item ( readdir( $items ) ) {
44 $check->( $item ) && last;
45 }
46 }
47 }
48
49 my $proc_acpi_thermal_zone_temperature;
50 find_proc_acpi('thermal_zone', sub {
51 my $thm = shift;
52 return if ( ! -e "/proc/acpi/thermal_zone/$thm/temperature" );
53 warn "# using thermal zone $thm\n" if ( $debug );
54 $proc_acpi_thermal_zone_temperature = "/proc/acpi/thermal_zone/$thm/temperature";
55 });
56
57 find_proc_acpi('battery', sub {
58 my $bat = shift;
59 return unless $bat =~ /\w+/;
60
61 warn "# testing battery $bat\n" if ( $debug );
62
63 if ( proc2hash( "/proc/acpi/battery/$bat/info" )->{present} eq 'yes' ) {
64 $proc_acpi_battery = "/proc/acpi/battery/$bat";
65 warn "using $proc_acpi_battery to monitor battery\n";
66 }
67 });
68
69 sub unit {
70 my $v = shift;
71
72 warn "unit( $v )\n" if ($debug);
73
74 my @units = qw/b k M G/;
75 my $o = 0;
76
77 while ( ( $v / 10000 ) >= 1 ) {
78 $o++;
79 $v /= 1024;
80 }
81
82 if ( $v >= 1 ) {
83 return sprintf("%d%s", $v, $units[$o]);
84 } elsif ( $v == 0 ) {
85 return '';
86 } else {
87 return sprintf("%.1f%s", $v, $units[$o]);
88 }
89 }
90
91 my ( $lrx, $ltx ) = ( 0, 0 );
92 my ( $ld_r, $ld_w ) = ( 0, 0 );
93 my $bat;
94
95 my $i = 0;
96
97
98 while ( 1 ) {
99 my $s = strftime("%Y-%m-%d %H:%M:%S", localtime());
100
101 if ( $i % $acpi_every == 0 && $proc_acpi_battery ) {
102
103 my $state = proc2hash( "$proc_acpi_battery/state" );
104
105 if ( $state->{'present rate'} != 0 ) {
106 my $info = proc2hash( "$proc_acpi_battery/info" );
107
108 my $pcnt = $state->{'remaining capacity'} / $info->{'design capacity'};
109
110 my $time = $state->{'remaining capacity'} / ( $state->{'present rate'} );
111 $time = ( $info->{'design capacity'} - $state->{'remaining capacity'} ) / $state->{'present rate'} if ( $state->{'charging state'} eq 'charging' );
112
113 warn "time = $time\n" if ($debug);
114
115 my $hh = int( $time );
116 my $mm = int( ( $time - $hh ) * 60 );
117 my $ss = ( $time * 3600 ) % 60;
118
119 $bat = sprintf("%s %2d%% %02d:%02d:%02d %3.1fW!| ",
120 substr($state->{'charging state'},0,1),
121 $pcnt * 100, $hh, $mm, $ss,
122 $state->{'present rate'} / 1000
123 );
124
125 } else {
126 $bat = '';
127 }
128 } else {
129 $bat =~ s/!(\|\s)$/ $1/;
130 }
131 $i++;
132
133 my $load = read_file('/proc/loadavg');
134 chomp( $load );
135 $load =~ s!\s\d+/\d+.*!!;
136
137 my $temp = '';
138 if ( $proc_acpi_thermal_zone_temperature ) {
139 $temp = read_file( $proc_acpi_thermal_zone_temperature );
140 chomp( $temp );
141 $temp =~ s!^.*:\s+!!;
142 }
143
144 my $net = read_file('/proc/net/dev');
145 my ( $rx, $tx ) = ( 0,0 );
146
147 foreach ( split(/\n/, $net) ) {
148 s/^\s+//;
149 s/:\s+/:/;
150 my @n = split(/\s+/, $_, 17);
151 next unless ( $n[0] =~ s!(eth\d|ath\d):!! );
152
153 warn dump( @n ) if ($debug);
154 $rx += $n[0];
155 $tx += $n[8];
156 }
157 warn "rx: $rx tx: $tx\n" if ($debug);
158
159 my $net_rx = ( $rx - $lrx ) / $dt;
160 my $net_tx = ( $tx - $ltx ) / $dt;
161 ( $lrx, $ltx ) = ( $rx, $tx );
162
163 my $disk = read_file('/proc/diskstats');
164 my ( $d_r, $d_w ) = ( 0,0 );
165
166 foreach ( split(/\n/, $disk) ) {
167 s/^\s+//;
168 my @d = split(/\s+/, $_, 17);
169 next unless ( $d[2] =~ m/^[sh]d\w$/ );
170
171 warn dump( @d ) if ($debug);
172 $d_r += $d[5] * $disk_blk_size;
173 $d_w += $d[7] * $disk_blk_size;
174 }
175 warn "d_r: $d_r d_w: $d_w\n" if ($debug);
176
177 my $d_read = ( $d_r - $ld_r ) / $dt;
178 my $d_write = ( $d_w - $ld_w ) / $dt;
179 ( $ld_r, $ld_w ) = ( $d_r, $d_w );
180
181 my $out = sprintf("%s | %s |%5s D %-5s|%5s > %-5s| %s%s\n",
182 $s,
183 $load,
184 unit( $d_read ), unit( $d_write ),
185 unit( $net_rx ), unit( $net_tx ),
186 $bat, $temp,
187 );
188
189 print $out;
190
191 sleep $dt;
192 }
193

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