1
Files
misc/acpid.pl
2017-05-21 00:25:55 +03:00

160 lines
3.2 KiB
Perl
Executable File

#!/usr/bin/perl
use strict;
use warnings "all";
use Fcntl;
$0 = 'acpid.pl';
my $debug = 0;
sub logger ($) {
if ($debug != 0) {
my $msg = shift;
$msg = localtime() . ' ' . $msg;
syswrite STDOUT, $msg;
}
}
sub i3wmstate {
my $flag = 0;
opendir(P, '/proc') || die 'no /proc found!';
while (readdir(P)) {
my $pid = $_;
next unless(defined($pid));
next if ($pid eq '');
if (-d "/proc/$pid") {
# dir UID == APCID.pl process user owner
if ((stat("/proc/$pid"))[4] == int(getpwnam($ENV{'LOGNAME'}))) {
next unless(-r "/proc/$pid/cmdline");
open(CMDLINE, "/proc/$pid/cmdline") || die "unable to open /proc/$pid/cmdline";
my $cl = <CMDLINE>;
close(CMDLINE);
if(defined($cl)) {
if ((substr($cl, 0, 2) eq 'i3') and (length($cl) <= 4)) {
$flag = 1;
undef $cl;
undef $pid;
last;
}
}
undef $cl;
}
}
undef $pid;
}
return $flag;
}
my $base = '/sys/class/power_supply/BAT0';
unless(-f "$base/present") {
logger("Battery info at /sys/class/BAT0/present not found, quitting.\n");
exit 0;
}
my $battery_present = 2;
my $battery_check = 2;
my $charging = 2;
while ( sleep(180) ) {
# check that battery is in place
open(ACPI, "$base/present") or next;
my $buf = '';
my $ac = 0; # assume, we're on battery
if (read(ACPI, $buf, 1)) {
if ($battery_check == 0) {
logger("Ability to read from /sys/class/BAT0/present restored\n");
$battery_check = 1;
}
if ($buf == '0') {
if ($battery_present != 0) {
logger("We have no battery, skipping charge level polling until it appears\n");
$battery_present = 0;
}
close ACPI;
next;
}
} else {
if ($battery_check != 0) {
logger("Unable to read from /sys/class/BAT0/present\n");
$battery_check = 0;
}
close ACPI;
next;
}
close ACPI;
$battery_present = 1;
# check status, we have no need to poll battery if it charging/charged
unless (-f "$base/status") {
logger("Something broken in /sys, unable to find $base/status, quitting\n");
exit 1;
}
# TODO: file access save state and print on change
open(STATUS, "$base/status") or do {
logger("Unable to open $base/status\n");
next;
};
$buf = <STATUS>;
close STATUS;
chomp($buf);
if ($buf ne 'Discharging') {
if ($charging != 1) {
logger("Battery charging.\n");
$charging = 1;
}
$ac = 1;
} else {
if ($charging != 0) {
logger("Battery discharging.\n");
$charging = 0;
}
}
# read charge state
unless (-f "$base/capacity") {
logger("Something broken in /sys, unable to find $base/capacity, quitting\n");
exit 1;
}
# TODO: file access save state and print on change
open(CHARGE, "$base/capacity") or do {
logger("Unable to open $base/capacity\n");
next;
};
read(CHARGE, $buf, 3) or do {
logger("Unable to read $base/capacity\n");
next;
};
chomp($buf);
if (($ac == 0) and ($buf < 10)) {
logger("Battery charge is less than 10%, hibernating\n");
`dbus-send --system --print-reply --dest="org.freedesktop.UPower" /org/freedesktop/UPower org.freedesktop.UPower.Hibernate`;
} else {
logger("Charge is $buf%\n");
if (($ac == 1) and ($buf > 100)) {
system ('notify-send', '-u', 'normal', '-t', '3000', 'Battery overcharging');
}
}
}