/[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 57 - (show annotations)
Thu Jan 10 20:11:42 2008 UTC (16 years, 2 months ago) by dpavlin
File MIME type: text/plain
File size: 4392 byte(s)
setup bridge between eth0 and wifi or other way around

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 eval "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 my $awesome = 0;
21
22 $|=1;
23
24 sub proc2hash {
25 my $f = shift;
26 return unless -f $f;
27 open(my $fh, '<', $f) || die "can't open $f: $!";
28 my $h;
29 while(<$fh>) {
30 chomp;
31 my ( $key, $value ) = split(/:\s+/, $_, 2);
32 $value =~ s/ m[VW]h*$//;
33 $h->{$key} = $value;
34 }
35 warn "$f ",dump( $h ) if ( $debug );
36 return $h;
37 }
38
39 my $proc_acpi_battery;
40 sub find_proc_acpi {
41 my ( $path, $check ) = @_;
42
43 if ( -e "/proc/acpi/$path" ) {
44 opendir(my $items, "/proc/acpi/$path") || die "can't open /proc/acpi/$path: $!";
45 foreach my $item ( readdir( $items ) ) {
46 $check->( $item ) && last;
47 }
48 }
49 }
50
51 my $proc_acpi_thermal_zone_temperature;
52 find_proc_acpi('thermal_zone', sub {
53 my $thm = shift;
54 return if ( ! -e "/proc/acpi/thermal_zone/$thm/temperature" );
55 warn "# using thermal zone $thm\n" if ( $debug );
56 $proc_acpi_thermal_zone_temperature = "/proc/acpi/thermal_zone/$thm/temperature";
57 });
58
59 find_proc_acpi('battery', sub {
60 my $bat = shift;
61 return unless $bat =~ /\w+/;
62
63 warn "# testing battery $bat\n" if ( $debug );
64
65 if ( proc2hash( "/proc/acpi/battery/$bat/info" )->{present} eq 'yes' ) {
66 $proc_acpi_battery = "/proc/acpi/battery/$bat";
67 warn "using $proc_acpi_battery to monitor battery\n";
68 }
69 });
70
71 sub unit {
72 my $v = shift;
73
74 warn "unit( $v )\n" if ($debug);
75
76 my @units = qw/b k M G/;
77 my $o = 0;
78
79 while ( ( $v / 10000 ) >= 1 ) {
80 $o++;
81 $v /= 1024;
82 }
83
84 if ( $v >= 1 ) {
85 return sprintf("%d%s", $v, $units[$o]);
86 } elsif ( $v == 0 ) {
87 return '';
88 } else {
89 return sprintf("%.1f%s", $v, $units[$o]);
90 }
91 }
92
93 my ( $lrx, $ltx ) = ( 0, 0 );
94 my ( $ld_r, $ld_w ) = ( 0, 0 );
95 my $bat;
96
97 my $i = 0;
98
99 if ( $awesome ) {
100 undef $awesome;
101 open( $awesome, '|-', 'awesome-client' ) || die "can't open awesome-client: $!";
102 }
103
104 while ( 1 ) {
105 my $s = strftime("%Y-%m-%d %H:%M:%S", localtime());
106
107 if ( $i % $acpi_every == 0 && $proc_acpi_battery ) {
108
109 my $state = proc2hash( "$proc_acpi_battery/state" );
110
111 if ( $state->{'present rate'} != 0 ) {
112 my $info = proc2hash( "$proc_acpi_battery/info" );
113
114 my $pcnt = $state->{'remaining capacity'} / $info->{'design capacity'};
115
116 my $time = $state->{'remaining capacity'} / ( $state->{'present rate'} );
117 $time = ( $info->{'design capacity'} - $state->{'remaining capacity'} ) / $state->{'present rate'} if ( $state->{'charging state'} eq 'charging' );
118
119 warn "time = $time\n" if ($debug);
120
121 my $hh = int( $time );
122 my $mm = int( ( $time - $hh ) * 60 );
123 my $ss = ( $time * 3600 ) % 60;
124
125 $bat = sprintf("%s %2d%% %02d:%02d:%02d %3.1fW!| ",
126 substr($state->{'charging state'},0,1),
127 $pcnt * 100, $hh, $mm, $ss,
128 $state->{'present rate'} / 1000
129 );
130
131 } else {
132 $bat = '';
133 }
134 } else {
135 $bat =~ s/!(\|\s)$/ $1/;
136 }
137 $i++;
138
139 my $load = read_file('/proc/loadavg');
140 chomp( $load );
141 $load =~ s!\s\d+/\d+.*!!;
142
143 my $temp = '';
144 if ( $proc_acpi_thermal_zone_temperature ) {
145 $temp = read_file( $proc_acpi_thermal_zone_temperature );
146 chomp( $temp );
147 $temp =~ s!^.*:\s+!!;
148 }
149
150 my $net = read_file('/proc/net/dev');
151 my ( $rx, $tx ) = ( 0,0 );
152
153 foreach ( split(/\n/, $net) ) {
154 s/^\s+//;
155 s/:\s+/:/;
156 my @n = split(/\s+/, $_, 17);
157 next unless ( $n[0] =~ s!(eth\d|ath\d):!! );
158
159 warn dump( @n ) if ($debug);
160 $rx += $n[0];
161 $tx += $n[8];
162 }
163 warn "rx: $rx tx: $tx\n" if ($debug);
164
165 my $net_rx = ( $rx - $lrx ) / $dt;
166 my $net_tx = ( $tx - $ltx ) / $dt;
167 ( $lrx, $ltx ) = ( $rx, $tx );
168
169 my $disk = read_file('/proc/diskstats');
170 my ( $d_r, $d_w ) = ( 0,0 );
171
172 foreach ( split(/\n/, $disk) ) {
173 s/^\s+//;
174 my @d = split(/\s+/, $_, 17);
175 next unless ( $d[2] =~ m/^[sh]d\w$/ );
176
177 warn dump( @d ) if ($debug);
178 $d_r += $d[5] * $disk_blk_size;
179 $d_w += $d[7] * $disk_blk_size;
180 }
181 warn "d_r: $d_r d_w: $d_w\n" if ($debug);
182
183 my $d_read = ( $d_r - $ld_r ) / $dt;
184 my $d_write = ( $d_w - $ld_w ) / $dt;
185 ( $ld_r, $ld_w ) = ( $d_r, $d_w );
186
187 my $out = sprintf("%s | %s |%5s D %-5s|%5s > %-5s| %s%s\n",
188 $s,
189 $load,
190 unit( $d_read ), unit( $d_write ),
191 unit( $net_rx ), unit( $net_tx ),
192 $bat, $temp,
193 );
194
195 if ( $awesome ) {
196 print $awesome "0 statusbar_set_text $out";
197 } else {
198 print $out;
199 }
200
201 sleep $dt;
202 }
203

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