cleanup

6 files changed, 0 insertions, 1706 deletions

diff --git a/lib/Loadbars/Config.pm b/lib/Loadbars/Config.pm
deleted file mode 100644
index 365d8c6..0000000
--- a/lib/Loadbars/Config.pm
+++ /dev/null
@@ -1,110 +0,0 @@
-package Loadbars::Config;
-
-use strict;
-use warnings;
-
-use Loadbars::Utils;
-use Loadbars::Shared;
-
-sub read () {
-    return unless -f Loadbars::Constants->CONFFILE;
-
-    display_info(
-        "Reading configuration from " . Loadbars::Constants->CONFFILE );
-    open my $conffile, Loadbars::Constants->CONFFILE
-      or die "$!: " . Loadbars::Constants->CONFFILE . "\n";
-
-    while (<$conffile>) {
-        chomp;
-        s/[\t\s]*?#.*//;
-
-        next unless length;
-
-        my ( $key, $val ) = split '=';
-
-        unless ( defined $val ) {
-            display_warn("Could not parse config line: $_");
-            next;
-        }
-
-        trim($key);
-        trim($val);
-
-        if ( not exists $C{$key} ) {
-            display_warn("There is no such config key: $key, ignoring");
-
-        }
-        else {
-            display_info(
-"Setting $key=$val, it might be overwritten by command line params."
-            );
-            $C{$key} = $val;
-        }
-    }
-
-    close $conffile;
-}
-
-sub write () {
-    display_warn( "Overwriting config file " . Loadbars::Constants->CONFFILE )
-      if -f Loadbars::Constants->CONFFILE;
-
-    open my $conffile, '>', Loadbars::Constants->CONFFILE or do {
-        display_warn( "$!: " . Loadbars::Constants->CONFFILE );
-
-        return undef;
-    };
-
-    for ( grep !/title/, keys %C ) {
-        print $conffile "$_=$C{$_}\n";
-    }
-
-    close $conffile;
-}
-
-# Recursuve function
-sub get_cluster_hosts ($;$);
-
-sub get_cluster_hosts ($;$) {
-    my ( $cluster, $recursion ) = @_;
-
-    unless ( defined $recursion ) {
-        $recursion = 1;
-
-    }
-    elsif ( $recursion > Loadbars::Constants->CSSH_MAX_RECURSION ) {
-        error(  "CSSH_MAX_RECURSION reached. Infinite circle loop in "
-              . Loadbars::Constants->CSSH_CONFFILE
-              . "?" );
-    }
-
-    open my $fh, Loadbars::Constants->CSSH_CONFFILE
-      or error( "$!: " . Loadbars::Constants->CSSH_CONFFILE );
-    my $hosts;
-
-    while (<$fh>) {
-        if (/^$cluster\s*(.*)/) {
-            $hosts = $1;
-            last;
-        }
-    }
-
-    close $fh;
-
-    unless ( defined $hosts ) {
-        error(  "No such cluster in "
-              . Loadbars::Constants->CSSH_CONFFILE
-              . ": $cluster" )
-          unless defined $recursion;
-
-        return ($cluster);
-    }
-
-    my @hosts;
-    push @hosts, get_cluster_hosts $_, ( $recursion + 1 )
-      for ( split /\s+/, $hosts );
-
-    return @hosts;
-}
-
-1;
diff --git a/lib/Loadbars/Constants.pm b/lib/Loadbars/Constants.pm
deleted file mode 100644
index 36e0a91..0000000
--- a/lib/Loadbars/Constants.pm
+++ /dev/null
@@ -1,44 +0,0 @@
-package Loadbars::Constants;
-
-use strict;
-use warnings;
-
-use SDL::Color;
-
-use constant {
-    COPYRIGHT          => '2010-2026 (c) Paul Buetow <loadbars@dev.buetow.org>',
-    CONFFILE           => $ENV{HOME} . '/.loadbarsrc',
-    CSSH_CONFFILE      => '/etc/clusters',
-    CSSH_MAX_RECURSION => 10,
-    COLOR_DEPTH        => 32,
-    BLACK              => [ 0x00, 0x00, 0x00 ],
-    BLUE0              => [ 0x00, 0x00, 0xff ],
-    LIGHT_BLUE         => [ 0x00, 0x00, 0xdd ],
-    LIGHT_BLUE0        => [ 0x00, 0x00, 0xcc ],
-    BLUE               => [ 0x00, 0x00, 0x88 ],
-    GREEN              => [ 0x00, 0x90, 0x00 ],
-    LIGHT_GREEN        => [ 0x00, 0xf0, 0x00 ],
-    ORANGE             => [ 0xff, 0x70, 0x00 ],
-    PURPLE             => [ 0xa0, 0x20, 0xf0 ],
-    RED                => [ 0xff, 0x00, 0x00 ],
-    WHITE              => [ 0xff, 0xff, 0xff ],
-    GREY0              => [ 0x11, 0x11, 0x11 ],
-    GREY               => [ 0xaa, 0xaa, 0xaa ],
-    DARK_GREY          => [ 0x15, 0x15, 0x15 ],
-    YELLOW0            => [ 0xff, 0xa0, 0x00 ],
-    YELLOW             => [ 0xff, 0xc0, 0x00 ],
-    COLOR_WHITE        => SDL::Color->new( 0xff, 0xff, 0xff ),
-    SYSTEM_BLUE0       => 30,
-    USER_ORANGE        => 70,
-    USER_YELLOW0       => 50,
-    INTERVAL           => 0.14,
-    INTERVAL_NET       => 3.0,
-    INTERVAL_MEM       => 1.0,
-    INTERVAL_SDL       => 0.14,
-    INTERVAL_SDL_WARN  => 1.0,
-    SUCCESS            => 0,
-    E_UNKNOWN          => 1,
-    E_NOHOST           => 2,
-};
-
-1;
diff --git a/lib/Loadbars/HelpDispatch.pm b/lib/Loadbars/HelpDispatch.pm
deleted file mode 100644
index bc58ce8..0000000
--- a/lib/Loadbars/HelpDispatch.pm
+++ /dev/null
@@ -1,332 +0,0 @@
-package Loadbars::HelpDispatch;
-
-use strict;
-use warnings;
-
-use Loadbars::Constants;
-use Loadbars::Shared;
-
-sub create () {
-    my $hosts = '';
-
-    my $textdesc = <<END;
-For more help please consult the manual page or press the 'h' hotkey during program execution and watch this terminal window. 
-END
-
- # mode 1: Option is shown in the online help menu (stdout not sdl)
- # mode 2: Option is shown in the 'usage' screen from the command line
- # mode 4: Option is used to generate the GetOptions parameters for Getopt::Long
- # Combinations: Like chmod(1)
-
-    my %d = (
-        cpuaverage => {
-            menupos => 3,
-            help    => 'Num of cpu samples for avg. (more fluent animations)',
-            mode    => 6,
-            type    => 'i'
-        },
-        cpuaverage_hot_up => {
-            menupos => 4,
-            cmd     => 'a',
-            help => 'Increases number of cpu samples for calculating avg. by 1',
-            mode => 1
-        },
-        cpuaverage_hot_dn => {
-            menupos => 5,
-            cmd     => 'y',
-            help => 'Decreases number of cpu samples for calculating avg. by 1',
-            mode => 1
-        },
-
-        netaverage => {
-            menupos => 6,
-            help    => 'Num of net samples for avg. (more fluent animations)',
-            mode    => 6,
-            type    => 'i'
-        },
-        netaverage_hot_up => {
-            menupos => 7,
-            cmd     => 'd',
-            help => 'Increases number of net samples for calculating avg. by 1',
-            mode => 1
-        },
-        netaverage_hot_dn => {
-            menupos => 8,
-            cmd     => 'c',
-            help => 'Decreases number of net samples for calculating avg. by 1',
-            mode => 1
-        },
-
-        netint => {
-            menupos => 6,
-            help    => 'Interface to show netstats for (default: eth0)',
-            mode    => 6,
-            type    => 's'
-        },
-        netint_hot => {
-            menupos => 17,
-            cmd     => 'n',
-            help    => 'Iterate to next net interface',
-            mode    => 1
-        },
-
-        netlink => {
-            menupos => 6,
-            help =>
-'Force interface link speed (mbit, 10mbit, 100mbit, gbit, 10gbit or a mbytes/s number e.g. 3 for 3mbit)',
-            mode => 6,
-            type => 's'
-        },
-        netlink_hot_up => {
-            menupos => 9,
-            cmd     => 'f',
-            help => 'Increases net interface link speed reference by factor 10',
-            mode => 1
-        },
-        netlink_hot_dn => {
-            menupos => 10,
-            cmd     => 'v',
-            help => 'Decreases net interface link speed reference by factor 10',
-            mode => 1
-        },
-
-        barwidth => {
-            menupos => 11,
-            help    => 'Set bar width',
-            mode    => 6,
-            type    => 'i'
-        },
-        windowwidth_hot_up => {
-            menupos => 90,
-            help    => 'Increase window width by 100px',
-            cmd     => 'right',
-            mode    => 1,
-        },
-        windowwidth_hot_dn => {
-            menupos => 91,
-            help    => 'Decrease window width by 100px',
-            cmd     => 'left',
-            mode    => 1,
-        },
-        windowheight_hot_up => {
-            menupos => 92,
-            help    => 'Increase window height by 100px',
-            cmd     => 'down',
-            mode    => 1,
-        },
-        windowheight_hot_dn => {
-            menupos => 93,
-            help    => 'Decrease window height by 100px',
-            cmd     => 'up',
-            mode    => 1,
-        },
-
-        cluster => {
-            menupos => 6,
-            help    => 'Cluster name from /etc/clusters',
-            var     => \$C{cluster},
-            mode    => 6,
-            type    => 's'
-        },
-        configuration => {
-            menupos => 6,
-            cmd     => 'c',
-            help    => 'Show current configuration',
-            mode    => 4
-        },
-
-        extended => {
-            menupos => 6,
-            help    => 'Toggle extended display (0 or 1)',
-            mode    => 7,
-            type    => 'i'
-        },
-        extended_hot => {
-            menupos => 23,
-            cmd     => 'e',
-            help    => 'Toggle extended mode',
-            mode    => 1
-        },
-
-        hasagent => {
-            menupos => 10,
-            help    => 'SSH key is already known by the SSH agent (0 or 1)',
-            mode    => 6,
-            type    => 'i'
-        },
-        height => {
-            menupos => 10,
-            help    => 'Set windows height',
-            mode    => 6,
-            type    => 'i'
-        },
-
-        help_hot => {
-            menupos => 11,
-            cmd     => 'h',
-            help    => 'Prints this help screen',
-            mode    => 1
-        },
-
-        hosts => {
-            menupos => 12,
-            help =>
-              'Comma sep. list of hosts; optional: user@ in front to each host',
-            var  => \$hosts,
-            mode => 6,
-            type => 's'
-        },
-
-        maxwidth => {
-            menupos => 16,
-            help    => 'Set max width',
-            mode    => 6,
-            type    => 'i'
-        },
-
-        quit_hot => { menupos => 16, cmd => 'q', help => 'Quits', mode => 1 },
-        writeconfig_hot => {
-            menupos => 16,
-            cmd     => 'w',
-            help    => 'Write config to config file',
-            mode    => 1
-        },
-
-        showcores => {
-            menupos => 17,
-            help    => 'Toggle core display (0 or 1)',
-            mode    => 7,
-            type    => 'i'
-        },
-        showcores_hot =>
-          { menupos => 17, cmd => '1', help => 'Toggle show cores', mode => 1 },
-
-        showmem => {
-            menupos => 17,
-            help    => 'Toggle mem display (0 or 1)',
-            mode    => 7,
-            type    => 'i'
-        },
-        showmem_hot =>
-          { menupos => 17, cmd => '2', help => 'Toggle show mem', mode => 1 },
-
-        shownet => {
-            menupos => 17,
-            help    => 'Toggle net display (0 or 1)',
-            mode    => 7,
-            type    => 'i'
-        },
-        shownet_hot =>
-          { menupos => 17, cmd => '3', help => 'Toggle show net', mode => 1 },
-
-        sshopts =>
-          { menupos => 20, help => 'Set SSH options', mode => 6, type => 's' },
-
-        title => {
-            menupos => 21,
-            help    => 'Set title bar text',
-            mode    => 6,
-            type    => 's'
-        },
-    );
-
-    my %d_by_short = map {
-        $d{$_}{cmd} => $d{$_}
-
-      } grep {
-        exists $d{$_}{cmd}
-
-      } keys %d;
-
-    my $closure = sub ($;$) {
-        my ( $arg, @rest ) = @_;
-
-        if ( $arg eq 'command' ) {
-            my ( $cmd, @args ) = @rest;
-
-            my $cb = $d{$cmd};
-            $cb = $d_by_short{$cmd} unless defined $cb;
-
-            unless ( defined $cb ) {
-                system $cmd;
-                return 0;
-            }
-
-            if ( length $cmd == 1 ) {
-                for my $key ( grep { exists $d{$_}{cmd} } keys %d ) {
-                    do { $cmd = $key; last } if $d{$key}{cmd} eq $cmd;
-                }
-            }
-
-        }
-        elsif ( $arg eq 'hotkeys' ) {
-            $textdesc . "Hotkeys:\n" . (
-                join "\n",
-                map {
-                    "$_ - $d_by_short{$_}{help}"
-
-                  } grep {
-                    $d_by_short{$_}{mode} & 1 and exists $d_by_short{$_}{help};
-
-                  } sort { $d_by_short{$a}{menupos} <=> $d_by_short{$b}{menupos} }
-                  sort keys %d_by_short
-            );
-
-        }
-        elsif ( $arg eq 'usage' ) {
-            $textdesc . (
-                join "\n",
-                map {
-                    if ( $_ eq 'help' )
-                    {
-                        "--$_ - $d{$_}{help}";
-                    }
-                    else {
-                        "--$_ <ARG> - $d{$_}{help}";
-                    }
-
-                  } grep {
-                    $d{$_}{mode} & 2
-                      and exists $d{$_}{help}
-
-                  } sort { $d{$a}{menupos} <=> $d{$b}{menupos} } sort keys %d
-            );
-
-        }
-        elsif ( $arg eq 'options' ) {
-            map {
-                "$_="
-                  . $d{$_}{type} => (
-                    defined $d{$_}{var}
-                    ? $d{$_}{var}
-                    : \$C{$_}
-                  );
-
-              } grep {
-                $d{$_}{mode} & 4 and exists $d{$_}{type};
-
-              } sort keys %d;
-        }
-    };
-
-    $d{configuration}{cb} = sub {
-        Loadbars::Main::say sort map {
-            "$_->[0] = $_->[1]"
-
-          } grep {
-            defined $_->[1]
-
-          } map {
-            [
-                $_ => exists $d{$_}{var}
-                ? ${ $d{$_}{var} }
-                : $C{$_}
-            ]
-
-          } keys %d;
-    };
-
-    return ( \$hosts, $closure );
-}
-
-1;
diff --git a/lib/Loadbars/Main.pm b/lib/Loadbars/Main.pm
deleted file mode 100644
index 4b750dc..0000000
--- a/lib/Loadbars/Main.pm
+++ /dev/null
@@ -1,1092 +0,0 @@
-package Loadbars::Main;
-
-use strict;
-use warnings;
-use v5.14;
-use autodie;
-
-use SDL;
-use SDL::Event;
-use SDL::Events;
-use SDL::Rect;
-use SDL::Surface;
-use SDL::Video;
-use SDLx::App;
-
-use Time::HiRes qw(gettimeofday);
-
-use Proc::ProcessTable;
-
-use threads;
-use threads::shared;
-
-use Loadbars::Config;
-use Loadbars::Constants;
-use Loadbars::Shared;
-use Loadbars::Utils;
-
-use Carp;
-$SIG{__DIE__} = sub { Carp::confess(@_) };
-
-$| = 1;
-
-sub cpu_set_showcores_re () {
-    $I{cpustring} = $C{showcores} ? 'cpu' : 'cpu ';
-}
-
-sub percentage ($$) {
-    my ( $total, $part ) = @_;
-
-    return int( null($part) / notnull( null($total) / 100 ) );
-}
-
-sub max_100 ($) {
-    return $_[0] > 100 ? 100 : $_[0];
-}
-
-sub percentage_norm ($$$) {
-    my ( $total, $part, $norm ) = @_;
-
-    return int( null($part) / notnull( null($total) / 100 ) / notnull $norm);
-}
-
-sub norm ($) {
-    my $n = shift;
-
-    return $n > 100 ? 100 : ( $n < 0 ? 0 : $n );
-}
-
-sub cpu_parse_line ($) {
-    my $line = shift;
-    my ( $name, %load );
-
-    # Modern kernels (2.6.33+) have 10 fields: user nice system idle iowait irq softirq steal guest guest_nice
-    ( $name, @load{qw(user nice system idle iowait irq softirq steal guest guest_nice)} ) =
-      split ' ', $line;
-
-    # Not all kernels support these fields
-    $load{steal} = 0 unless defined $load{steal};
-    $load{guest} = 0 unless defined $load{guest};
-    $load{guest_nice} = 0 unless defined $load{guest_nice};
-
-    $load{TOTAL} =
-      sum( @load{qw(user nice system idle iowait irq softirq steal guest guest_nice)} );
-
-    return ( $name, \%load );
-}
-
-sub threads_terminate_pids (@) {
-    my @threads = @_;
-
-    display_info 'Terminating sub-processes, hasta la vista!';
-    $_->kill('TERM') for @threads;
-    display_info_no_nl 'Terminating PIDs';
-    for my $pid ( keys %PIDS ) {
-        my $proc_table = Proc::ProcessTable->new();
-        for my $proc ( @{ $proc_table->table() } ) {
-            if ( $proc->ppid == $pid ) {
-                print $proc->pid . ' ';
-                kill 'TERM', $proc->pid if $proc->ppid == $pid;
-            }
-        }
-
-        print $pid . ' ';
-        kill 'TERM', $pid;
-
-        #$_->join() for @threads;
-    }
-
-    say '';
-
-    display_info 'Terminating done. I\'ll be back!';
-}
-
-sub threads_stats ($;$) {
-    my ( $host, $user ) = @_;
-    $user = defined $user ? "-l $user" : '';
-
-    my ( $sigusr1, $sigterm ) = ( 0, 0 );
-    my $interval = Loadbars::Constants->INTERVAL;
-
-    my $cpustring = $I{cpustring};
-
-    # Precompile some regexp
-    my @meminfo =
-      map { [ $_, qr/^$_: *(\d+)/ ] }
-      (qw(MemTotal MemFree Buffers Cached SwapTotal SwapFree));
-
-    my $modeswitch_re = qr/^M /;
-
-    # UGLY!
-    my $remotecode = <<"REMOTECODE";
-            perl -le '
-                use strict;
-                use Time::HiRes qw(usleep);
-
-                my \\\$whitespace_re = qr/ +/;
-                my \\\$usleep = $interval * 100000;
-
-                sub cat {
-                    my \\\$file = shift;
-                    open FH, \\\$file;
-                    while (<FH>) {
-                        print;
-                    }
-                    close FH;
-                }
-
-                sub load {
-                    printf qq(M LOADAVG\n);
-                    open FH, qq(/proc/loadavg);
-                    printf qq(%s\n), join qq(;), (split qq( ), <FH>)[0..2];
-                    close FH;
-                }
-
-                sub mem {
-                    printf qq(M MEMSTATS\n);
-                    cat(qq(/proc/meminfo));
-                }
-
-                sub net {
-                    printf qq(M NETSTATS\n);
-                    open FH, qq(/proc/net/dev);
-                    <FH>; <FH>;
-                    while (<FH>) {
-                        next unless s/:/ /;
-                        my (\\\$foo, \\\$int, \\\$bytes, \\\$packets, \\\$errs, \\\$drop, \\\$fifo, \\\$frame, \\\$compressed, \\\$multicast, \\\$tbytes, \\\$tpackets, \\\$terrs, \\\$tdrop, \\\$tfifo, \\\$tcolls, \\\$tcarrier, \\\$tcompressed) = split \\\$whitespace_re, \\\$_;
-                        if (\\\$bytes || \\\$tbytes) {
-                            printf qq(%s:b=%s;tb=%s;p=%s;tp=%s e=%s;te=%s;d=%s;td=%s\n), \\\$int, 
-                               \\\$bytes, \\\$tbytes, 
-                               \\\$packets, \\\$tpackets,
-                                \\\$errs, \\\$terrs,
-                                \\\$drop, \\\$tdrop
-                                   ; 
-                        }
-                    }
-                    close FH;
-                }
-
-                for (1..10000) {
-                    load();
-                    mem();
-                    net();
-
-                    printf qq(M CPUSTATS\n);
-                    for (1..20) {
-                        cat(qq(/proc/stat));
-                        usleep(\\\$usleep);
-                    }
-                }
-        '
-REMOTECODE
-
-    my $cmd =
-      ( $host eq 'localhost' || $host eq '127.0.0.1' )
-      ? "bash -c \"$remotecode\""
-      : "ssh $user -o StrictHostKeyChecking=no $C{sshopts} $host \"$remotecode\"";
-
-    my $pid = open my $pipe, "$cmd |" or do {
-        say "Warning: $!";
-        sleep 1;
-        next;
-    };
-
-    $PIDS{$pid} = 1;
-
-    # Toggle CPUs
-    $SIG{USR1} = sub { $sigusr1 = 1 };
-    $SIG{TERM} = sub { threads->exit(); };
-
-    my $mode = 0;
-
-    while (<$pipe>) {
-        chomp;
-
-        if ( $_ =~ $modeswitch_re ) {
-            if ( $_ eq 'M CPUSTATS' ) {
-                $mode = 1;
-            }
-            elsif ( $_ eq 'M MEMSTATS' ) {
-                $mode = 2;
-            }
-            elsif ( $_ eq 'M NETSTATS' ) {
-                $mode = 3;
-            }
-            elsif ( $_ eq 'M LOADAVG' ) {
-                $mode = 0;
-            }
-            next;
-        }
-
-        if ( $mode == 0 ) {
-            $AVGSTATS{$host}     = $_;
-            $AVGSTATS_HAS{$host} = 1;
-        }
-        elsif ( $mode == 1 ) {
-            if ( 0 == index $_, $cpustring ) {
-                my ( $name, $load ) = cpu_parse_line $_;
-                $CPUSTATS{"$host;$name"} = join ';',
-                  map  { $_ . '=' . $load->{$_} }
-                  grep { defined $load->{$_} } keys %$load;
-            }
-        }
-        elsif ( $mode == 2 ) {
-            for my $meminfo (@meminfo) {
-                if ( $_ =~ $meminfo->[1] ) {
-                    $MEMSTATS{"$host;$meminfo->[0]"} = $1;
-                    $MEMSTATS_HAS{$host} = 1
-                      unless defined $MEMSTATS_HAS{$host};
-                }
-            }
-        }
-        elsif ( $mode == 3 ) {
-            my ( $int, @stats ) = split ':', $_;
-            $NETSTATS{"$host;$int"}       = "@stats";
-            $NETSTATS{"$host;$int;stamp"} = Time::HiRes::time();
-            $NETSTATS_INT{$int}  = 1 unless defined $NETSTATS_INT{$int};
-            $NETSTATS_HAS{$host} = 1 unless defined $NETSTATS_HAS{$host};
-        }
-
-        if ($sigusr1) {
-            $cpustring = $I{cpustring};
-            $sigusr1   = 0;
-
-        }
-    }
-
-    delete $PIDS{$pid};
-
-    return undef;
-}
-
-sub sdl_get_rect ($$) {
-    my ( $rects, $name ) = @_;
-
-    return $rects->{$name} if exists $rects->{$name};
-    return $rects->{$name} = SDL::Rect->new( 0, 0, 0, 0 );
-}
-
-sub cpu_normalize_loads ($) {
-    my $cpu_loads_r = shift;
-
-    return $cpu_loads_r unless exists $cpu_loads_r->{TOTAL};
-
-    my $total = $cpu_loads_r->{TOTAL} == 0 ? 1 : $cpu_loads_r->{TOTAL};
-    my %cpu_loads =
-      map { $_ => $cpu_loads_r->{$_} / ( $total / 100 ) } keys %$cpu_loads_r;
-    return \%cpu_loads;
-}
-
-sub cpu_parse ($) {
-    my ($line_r) = shift;
-
-    my %stat = map {
-        my ( $k, $v ) = split '=';
-        $k => $v
-    } split ';', $$line_r;
-
-    return \%stat;
-}
-
-sub net_link () {
-    my $key = "bytes_$C{netlink}";
-
-    my $linkspeed = do {
-        if ( defined $I{$key} ) {
-            $I{$key};
-
-        }
-        else {
-            int $C{netlink} * $I{bytes_mbit};
-        }
-    };
-
-    my $mbit = $linkspeed / $I{bytes_mbit};
-
-    display_warn "$mbit mbit/s is no valid reference link speed"
-      unless $mbit > 0;
-
-    display_info "Setting reference linkspeed to $mbit mbit/s";
-
-    return $linkspeed;
-}
-
-sub net_next_int ($;$) {
-    my ( $num, $initial_device_flag ) = @_;
-
-    return $C{netint} if defined $initial_device_flag && $C{netint} ne '';
-
-    my $int = undef;
-
-    for ( ; ; ) {
-        my @ints = sort keys %NETSTATS_INT;
-        $int = $ints[ int( $num % @ints ) ] if @ints;
-
-        unless ( defined $int ) {
-            sleep 0.1;
-            next;
-        }
-
-        # On startup dont show a loopback device net interface
-        if ( defined $initial_device_flag && $int =~ /^lo/ ) {
-            $num++;
-            sleep 0.1;
-            next;
-        }
-
-        last;
-    }
-
-    return $int;
-}
-
-sub net_parse ($) {
-    my ($line_r) = shift;
-    my ( $a, $b ) = split ' ', $$line_r;
-
-    my %a = map {
-        my ( $k, $v ) = split '=', $_;
-        $k => $v;
-
-    } split ';', $a;
-
-    my %b = map {
-        my ( $k, $v ) = split '=', $_;
-        $k => $v;
-
-    } split ';', $b;
-
-    return [ \%a, \%b ];
-}
-
-sub net_diff ($$) {
-    my ( $a_r, $b_r ) = @_;
-    my %diff = map { $_ => ( $a_r->{$_} - $b_r->{$_} ) } keys %$a_r;
-
-    return \%diff;
-}
-
-sub sdl_fill_rect {
-    my ( $app, $rect, $color ) = @_;
-
-    my $mapped_color = SDL::Video::map_RGB( $app->format(), @$color );
-    SDL::Video::fill_rect( $app, $rect, $mapped_color );
-
-    return undef;
-}
-
-sub sdl_draw_background ($$) {
-    my ( $app, $rects ) = @_;
-    my $rect = sdl_get_rect $rects, 'background';
-
-    $rect->w( $C{width} );
-    $rect->h( $C{height} );
-    sdl_fill_rect( $app, $rect, Loadbars::Constants->BLACK );
-
-    return undef;
-}
-
-sub threads_create (@) {
-    return map { $_->detach(); $_ }
-      map { threads->create( 'threads_stats', split ':' ) } @_;
-}
-
-sub set_dimensions ($$) {
-    my ( $width, $height ) = @_;
-    my $display_info = 0;
-
-    if ( $width < 1 ) {
-        $C{width} = 1 if $C{width} != 1;
-
-    }
-    elsif ( $width > $C{maxwidth} ) {
-        $C{width} = $C{maxwidth} if $C{width} != $C{maxwidth};
-
-    }
-    elsif ( $C{width} != $width ) {
-        $C{width} = $width;
-    }
-
-    if ( $height < 1 ) {
-        $C{height} = 1 if $C{height} != 1;
-
-    }
-    elsif ( $C{height} != $height ) {
-        $C{height} = $height;
-    }
-}
-
-sub loop ($@) {
-    my ( $dispatch, @threads ) = @_;
-
-    my $num_stats = 1;
-    $C{width} = $C{barwidth};
-
-    my $title = do {
-        if ( defined $C{title} ) {
-            $C{title};
-        }
-        else {
-            'Loadbars ' . get_version . ' (press h for help on stdout)';
-        }
-    };
-
-    my $app = SDLx::App->new(
-        title      => $title,
-        icon_title => Loadbars::Constants->VERSION,
-        width      => $C{width},
-        height     => $C{height},
-        depth      => Loadbars::Constants->COLOR_DEPTH,
-        resizeable => 1,
-    );
-
-    my $rects = {};
-    my %cpu_history;
-    my %cpu_max;
-
-    my %net_history;
-    my %net_history_stamps;
-    my %net_last_value;
-    my $net_int_number = 0;
-    my $net_int = net_next_int $net_int_number, 1;
-
-    my $net_max_bytes = net_link;
-
-    my $sdl_redraw_background = 0;
-    my $sdl_font_height       = 14;
-
-    my $infotxt : shared       = '';
-    my $quit : shared          = 0;
-    my $resize_window : shared = 0;
-    my %newsize : shared;
-    my $event = SDL::Event->new();
-
-    my ( $t1, $t2 ) = ( Time::HiRes::time(), undef );
-
-    # Closure for event handling
-    my $event_handler = sub {
-
-        # While there are events to poll, poll them all!
-        while ( SDL::Events::poll_event($event) ) {
-
-            # Videoresize
-            if ( $event->type() == 16 ) {
-                $newsize{width}  = $event->resize_w;
-                $newsize{height} = $event->resize_h;
-                $resize_window   = 1;
-            }
-
-            # Not a key
-            next if $event->type() != 2;
-            my $key_sym = $event->key_sym();
-
-            if ( $key_sym == 49 ) {
-
-                # 1 pressed
-                $C{showcores} = !$C{showcores};
-                cpu_set_showcores_re;
-                $_->kill('USR1') for @threads;
-                $sdl_redraw_background = 1;
-                display_info "Toggled CPUs $C{showcores}";
-
-            }
-            elsif ( $key_sym == 50 ) {
-
-                # 2 pressed
-                $C{showmem} = !$C{showmem};
-                display_info "Toggled show mem";
-
-            }
-            elsif ( $key_sym == 51 ) {
-
-                # 3 pressed
-                $C{shownet} = !$C{shownet};
-                display_info "Toggled show net $C{shownet}";
-                display_info "Net interface speed reference is "
-                  . ( $net_max_bytes / $I{bytes_mbit} )
-                  . "mbit/s. Press f/v to scale"
-                  if $C{shownet};
-            }
-
-            elsif ( $key_sym == 101 ) {
-
-                # e pressed
-                $C{extended} = !$C{extended};
-                $sdl_redraw_background = 1;
-                display_info "Toggled extended display $C{extended}";
-
-            }
-            elsif ( $key_sym == 104 ) {
-
-                # h pressed
-                say '=> Hotkeys to use in the SDL interface';
-                say $dispatch->('hotkeys');
-                display_info 'Hotkeys help printed on terminal stdout';
-
-            }
-            elsif ( $key_sym == 109 ) {
-
-                # m pressed
-                display_warn
-"Toggled show mem hotkey m is deprecated. Press 2 hotkey instead";
-
-            }
-            elsif ( $key_sym == 110 ) {
-
-                # n pressed
-                if ( $C{shownet} ) {
-                    $net_int               = net_next_int ++$net_int_number;
-                    $sdl_redraw_background = 1;
-                    display_info "Using net interface which is $net_int";
-                }
-                else {
-                    display_warn
-"Net stats are not activated. Press 3 hotkey to activate first";
-                }
-
-            }
-            elsif ( $key_sym == 113 ) {
-
-                # q pressed
-                threads_terminate_pids @threads;
-                $quit = 1;
-                return;
-
-            }
-            elsif ( $key_sym == 119 ) {
-
-                # w pressed
-                Loadbars::Config::write;
-
-            }
-            elsif ( $key_sym == 97 ) {
-
-                # a pressed
-                ++$C{cpuaverage};
-                display_info "Set sample cpu average $C{cpuaverage}";
-            }
-            elsif ( $key_sym == 121 or $key_sym == 122 ) {
-
-                # y or z pressed
-                my $avg = $C{cpuaverage};
-                --$avg;
-                $C{cpuaverage} = $avg > 1 ? $avg : 2;
-                display_info "Set sample cpu average $C{cpuaverage}";
-
-            }
-            elsif ( $key_sym == 100 ) {
-
-                # d pressed
-                ++$C{netaverage};
-                display_info "Set sample net average $C{netaverage}";
-            }
-            elsif ( $key_sym == 99 ) {
-
-                # c pressed
-                my $avg = $C{netaverage};
-                --$avg;
-                $C{netaverage} = $avg > 1 ? $avg : 2;
-                display_info "Set sample net average $C{netaverage}";
-
-            }
-            elsif ( $key_sym == 102 ) {
-
-                # f pressed
-                $net_max_bytes *= 10;
-                display_info "Set net interface speed reference to "
-                  . ( $net_max_bytes / $I{bytes_mbit} )
-                  . 'mbit/s';
-            }
-            elsif ( $key_sym == 118 ) {
-
-                # v pressed
-                $net_max_bytes = int( $net_max_bytes / 10 );
-                $net_max_bytes = $I{bytes_mbit}
-                  if $net_max_bytes < $I{bytes_mbit};
-                display_info "Set net interface speed reference to "
-                  . int( $net_max_bytes / $I{bytes_mbit} )
-                  . 'mbit/s';
-
-            }
-            elsif ( $key_sym == 276 ) {
-
-                # left pressed
-                $newsize{width}  = $C{width} - 100;
-                $newsize{height} = $C{height};
-                $resize_window   = 1;
-            }
-            elsif ( $key_sym == 275 ) {
-
-                # right pressed
-                $newsize{width}  = $C{width} + 100;
-                $newsize{height} = $C{height};
-                $resize_window   = 1;
-
-            }
-            elsif ( $key_sym == 273 ) {
-
-                # up pressed
-                $newsize{width}  = $C{width};
-                $newsize{height} = $C{height} - 100;
-                $resize_window   = 1;
-            }
-            elsif ( $key_sym == 274 ) {
-
-                # down pressed
-                $newsize{width}  = $C{