43 lines
941 B
Perl
Executable File
43 lines
941 B
Perl
Executable File
#!/usr/bin/perl
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# TODO: If gammastep is already running, allow location to update
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use strict;
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use warnings;
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use LWP::UserAgent;
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use JSON::XS;
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my $location = "https://papillon.john.me.tz/data/location.json";
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my $lat_lon = fetch_lat_lon($location);
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my $pid = fork;
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unless ($pid) {
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open STDIN, '/dev/null';
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open STDOUT, '>>/dev/null';
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open STDERR, '>>/dev/null';
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exec "exec gammastep -l $lat_lon -b 0.7:0.3";
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}
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sub fetch_lat_lon
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{
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my ($location) = shift;
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my $ua = LWP::UserAgent->new();
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my $json = JSON::XS->new();
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my $raw = $ua->get($location)->content();
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if (defined $raw) {
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my $decoded = $json->decode($raw);
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if (defined $decoded->{lat} && defined $decoded->{lon}) {
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return "$decoded->{lat}:$decoded->{lon}";
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}
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}
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sleep 5;
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return fetch_lat_lon($ua, $json, $location);
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}
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exit;
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