some restructuring

1 files changed, 0 insertions, 922 deletions

diff --git a/Loadbars/Main.pm b/Loadbars/Main.pm
deleted file mode 100644
index 210f07a..0000000
--- a/Loadbars/Main.pm
+++ /dev/null
@@ -1,922 +0,0 @@
-
-package Loadbars::Main;
-
-use strict;
-use warnings;
-
-use Loadbars::Config;
-
-use SDL;
-use SDL::App;
-use SDL::Rect;
-use SDL::Event;
-
-use SDL::Surface;
-use SDL::Font;
-
-use Time::HiRes qw(usleep gettimeofday);
-
-use Proc::ProcessTable;
-
-use threads;
-use threads::shared;
-
-use Loadbars::Constants;
-use Loadbars::Utils;
-use Loadbars::Shared;
-
-$| = 1;
-
-sub set_showcores_regexp () {
-    $I{cpuregexp} = $C{showcores} ? 'cpu' : 'cpu ';
-}
-
-sub percentage ($$) {
-    my ( $total, $part ) = @_;
-
-    return int( null($part) / notnull( null($total) / 100 ) );
-}
-
-sub norm ($) {
-    my $n = shift;
-
-    return $n if $C{factor} != 1;
-    return $n > 100 ? 100 : ( $n < 0 ? 0 : $n );
-}
-
-sub parse_cpu_line ($) {
-    my $line = shift;
-    my ( $name, %load );
-
-    ( $name, @load{qw(user nice system idle iowait irq softirq steal guest)} ) =
-      split ' ', $line;
-
-    # Not all kernels support this
-    $load{steal} = 0 unless defined $load{steal};
-    $load{guest} = 0 unless defined $load{guest};
-
-    $load{TOTAL} =
-      sum( @load{qw(user nice system idle iowait irq softirq steal guest)} );
-
-    return ( $name, \%load );
-}
-
-sub 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;
-    }
-
-    say '';
-
-    display_info 'Terminating done. I\'ll be back!';
-}
-
-sub stats_thread ($;$) {
-    my ( $host, $user ) = @_;
-    $user = defined $user ? "-l $user" : '';
-
-    my ( $sigusr1, $sigterm ) = ( 0, 0 );
-    my $loadavgexp = qr/(\d+\.\d{2}) (\d+\.\d{2}) (\d+\.\d{2})/;
-    my $inter      = Loadbars::Constants->INTERVAL;
-
-    until ($sigterm) {
-        my $bash = <<"BASH";
-            loadavg=/proc/loadavg
-            stat=/proc/stat
-            meminfo=/proc/meminfo
-            
-            for i in \$(seq $C{samples}); do 
-                echo CPUSTATS
-                cat \$loadavg \$stat 
-                echo MEMSTATS
-                cat \$meminfo 
-                sleep $inter
-            done
-BASH
-
-        my $cmd =
-          ( $host eq 'localhost' || $host eq '127.0.0.1' )
-          ? $bash
-          : "ssh $user -o StrictHostKeyChecking=no $C{sshopts} $host '$bash'";
-
-        my $pid = open my $pipe, "$cmd |" or do {
-            say "Warning: $!";
-            sleep 0.5;
-            next;
-        };
-
-        $PIDS{$pid} = 1;
-
-        # Toggle CPUs
-        $SIG{USR1} = sub { $sigusr1 = 1 };
-        $SIG{TERM} = sub { $sigterm = 1 };
-
-        my $cpuregexp = qr/$I{cpuregexp}/;
-
-        # 1=cpu, 2=mem, 3=net
-        my $mode = 0;
-
-        while (<$pipe>) {
-            chomp;
-
-            if ( $mode == 0 ) {
-                if ( $_ eq 'MEMSTATS' ) {
-                    $mode = 1;
-
-                }
-                elsif (/^$loadavgexp/) {
-                    $AVGSTATS{$host} = "$1;$2;$3";
-
-                }
-                elsif (/$cpuregexp/) {
-                    my ( $name, $load ) = parse_cpu_line $_;
-                    $CPUSTATS{"$host;$name"} = join ';',
-                      map  { $_ . '=' . $load->{$_} }
-                      grep { defined $load->{$_} } keys %$load;
-                }
-            }
-            elsif ( $mode == 1 ) {
-                if ( $_ eq 'CPUSTATS' ) {
-                    $mode = 0;
-
-                }
-                else {
-                    for my $meminfo (
-                        qw(MemTotal MemFree Buffers Cached SwapTotal SwapFree))
-                    {
-
-                        # TODO: Precompile regexp
-                        if (/^$meminfo: *(\d+)/) {
-                            $MEMSTATS_HAS{$host} = 1;
-                            $MEMSTATS{"$host;$meminfo"} = $1;
-                        }
-                    }
-                }
-            }
-
-            if ($sigusr1) {
-
-                # TODO: Use index instead of regexp for cpuregexp
-                $cpuregexp = qr/$I{cpuregexp}/;
-                $sigusr1   = 0;
-
-            }
-            elsif ($sigterm) {
-                close $pipe;
-                last;
-            }
-        }
-
-        delete $PIDS{$pid};
-    }
-
-    return undef;
-}
-
-sub get_rect ($$) {
-    my ( $rects, $name ) = @_;
-
-    return $rects->{$name} if exists $rects->{$name};
-    return $rects->{$name} = SDL::Rect->new();
-}
-
-sub normalize_loads (%) {
-    my %loads = @_;
-
-    return %loads unless exists $loads{TOTAL};
-
-    my $total = $loads{TOTAL} == 0 ? 1 : $loads{TOTAL};
-    return map { $_ => $loads{$_} / ( $total / 100 ) } keys %loads;
-}
-
-sub get_cpuaverage ($@) {
-    my ( $factor, @loads ) = @_;
-    my ( %cpumax, %cpuaverage );
-
-    for my $l (@loads) {
-        for ( keys %$l ) {
-            $cpuaverage{$_} += $l->{$_};
-
-            $cpumax{$_} = $l->{$_}
-              if not exists $cpumax{$_}
-                  or $cpumax{$_} < $l->{$_};
-        }
-    }
-
-    my $div = @loads / $factor;
-
-    for ( keys %cpuaverage ) {
-        $cpuaverage{$_} /= $div;
-        $cpumax{$_}     /= $factor;
-    }
-
-    return ( \%cpumax, \%cpuaverage );
-}
-
-sub draw_background ($$) {
-    my ( $app, $rects ) = @_;
-    my $rect = get_rect $rects, 'background';
-
-    $rect->width( $C{width} );
-    $rect->height( $C{height} );
-    $app->fill( $rect, Loadbars::Constants->BLACK );
-    $app->update($rect);
-
-    return undef;
-}
-
-sub create_threads (@) {
-    return map { $_->detach(); $_ }
-      map { threads->create( 'stats_thread', split ':' ) } @_;
-}
-
-sub auto_off_text ($) {
-    my ($barwidth) = @_;
-
-    if ( $barwidth < $C{barwidth} - 1 && $I{showtextoff} == 0 ) {
-        return unless $C{showtext};
-        display_warn
-'Disabling text display, text does not fit into window. Use \'t\' to re-enable.';
-        $I{showtextoff} = 1;
-        $C{showtext}    = 0;
-
-    }
-    elsif ( $I{showtextoff} == 1 && $barwidth >= $C{barwidth} - 1 ) {
-        display_info 'Re-enabling text display, text fits into window now.';
-        $C{showtext}    = 1;
-        $I{showtextoff} = 0;
-    }
-
-    return undef;
-}
-
-sub set_dimensions ($$) {
-    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} = $height;
-    }
-}
-
-sub main_loop ($@) {
-    my ( $dispatch, @threads ) = @_;
-
-    my $num_stats = 1;
-    $C{width} = $C{barwidth};
-
-    my $app = SDL::App->new(
-        -title => Loadbars::Constants->VERSION
-          . ' (press h for help on stdout)',
-        -icon_title => Loadbars::Constants->VERSION,
-        -width      => $C{width},
-        -height     => $C{height},
-        -depth      => Loadbars::Constants->COLOR_DEPTH,
-        -resizeable => 1,
-    );
-
-    SDL::Font->new('font.png')->use();
-
-    my $rects = {};
-    my %prev_stats;
-    my %last_loads;
-
-    my $redraw_background = 0;
-    my $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 ( $event->poll() == 1 ) {
-            next if $event->type() != 2;
-            my $key_name = $event->key_name();
-
-            if ( $key_name eq '1' ) {
-                $C{showcores} = !$C{showcores};
-                set_showcores_regexp;
-                $_->kill('USR1') for @threads;
-                %AVGSTATS          = ();
-                %CPUSTATS          = ();
-                $redraw_background = 1;
-                display_info 'Toggled CPUs';
-
-            }
-            elsif ( $key_name eq 'e' ) {
-                $C{extended} = !$C{extended};
-                $redraw_background = 1;
-                display_info 'Toggled extended display';
-
-            }
-            elsif ( $key_name eq 'h' ) {
-                say '=> Hotkeys to use in the SDL interface';
-                say $dispatch->('hotkeys');
-                display_info 'Hotkeys help printed on terminal stdout';
-
-            }
-            elsif ( $key_name eq 'm' ) {
-                $C{showmem} = !$C{showmem};
-                display_info 'Toggled show mem';
-
-            }
-            elsif ( $key_name eq 't' ) {
-                $C{showtext} = !$C{showtext};
-                $redraw_background = 1;
-                display_info 'Toggled text display';
-
-            }
-            elsif ( $key_name eq 'u' ) {
-                $C{showtexthost} = !$C{showtexthost};
-                $redraw_background = 1;
-                display_info 'Toggled number/hostname display';
-
-            }
-            elsif ( $key_name eq 'q' ) {
-                terminate_pids @threads;
-                $quit = 1;
-                return;
-
-            }
-            elsif ( $key_name eq 'w' ) {
-                Loadbars::Config::write;
-
-            }
-            elsif ( $key_name eq 'a' ) {
-                ++$C{average};
-                display_info "Set sample average to $C{average}";
-            }
-            elsif ( $key_name eq 'y' or $key_name eq 'z' ) {
-                my $avg = $C{average};
-                --$avg;
-                $C{average} = $avg > 1 ? $avg : 2;
-                display_info "Set sample average to $C{average}";
-
-            }
-            elsif ( $key_name eq 's' ) {
-                $C{factor} += 0.1;
-                display_info "Set scale factor to $C{factor}";
-            }
-            elsif ( $key_name eq 'x' or $key_name eq 'z' ) {
-                $C{factor} -= 0.1;
-                display_info "Set scale factor to $C{factor}";
-
-            }
-            elsif ( $key_name eq 'left' ) {
-                $newsize{width}  = $C{width} - 100;
-                $newsize{height} = $C{height};
-                $resize_window   = 1;
-            }
-            elsif ( $key_name eq 'right' ) {
-                $newsize{width}  = $C{width} + 100;
-                $newsize{height} = $C{height};
-                $resize_window   = 1;
-
-            }
-            elsif ( $key_name eq 'up' ) {
-                $newsize{width}  = $C{width};
-                $newsize{height} = $C{height} - 100;
-                $resize_window   = 1;
-            }
-            elsif ( $key_name eq 'down' ) {
-                $newsize{width}  = $C{width};
-                $newsize{height} = $C{height} + 100;
-                $resize_window   = 1;
-            }
-        }
-    };
-
-    do {
-        my ( $x, $y ) = ( 0, 0 );
-
-        # Also substract 1 (each bar is followed by an 1px separator bar)
-        my $width = $C{width} / notnull($num_stats) - 1;
-
-        my ( $current_barnum, $current_corenum ) = ( -1, -1 );
-
-        for my $key ( sort keys %CPUSTATS ) {
-            last if ( ++$current_barnum > $num_stats );
-            ++$current_corenum;
-            my ( $host, $name ) = split ';', $key;
-
-            next unless defined $CPUSTATS{$key};
-
-            my %stat = map {
-                my ( $k, $v ) = split '=';
-                $k => $v
-
-            } split ';', $CPUSTATS{$key};
-
-            unless ( exists $prev_stats{$key} ) {
-                $prev_stats{$key} = \%stat;
-                next;
-            }
-
-            my $prev_stat = $prev_stats{$key};
-            my %loads =
-              null $stat{TOTAL} == null $prev_stat->{TOTAL}
-              ? %stat
-              : map { $_ => $stat{$_} - $prev_stat->{$_} } keys %stat;
-
-            $prev_stats{$key} = \%stat;
-
-            %loads = normalize_loads %loads;
-            push @{ $last_loads{$key} }, \%loads;
-            shift @{ $last_loads{$key} }
-              while @{ $last_loads{$key} } >= $C{average};
-
-            my ( $cpumax, $cpuaverage ) = get_cpuaverage $C{factor},
-              @{ $last_loads{$key} };
-
-            my %heights = map {
-                    $_ => defined $cpuaverage->{$_}
-                  ? $cpuaverage->{$_} * ( $C{height} / 100 )
-                  : 1
-            } keys %$cpuaverage;
-
-            my $is_host_summary = $name eq 'cpu' ? 1 : 0;
-
-            my $rect_separator = undef;
-
-            my $rect_idle    = get_rect $rects, "$key;idle";
-            my $rect_steal   = get_rect $rects, "$key;steal";
-            my $rect_guest   = get_rect $rects, "$key;guest";
-            my $rect_irq     = get_rect $rects, "$key;irq";
-            my $rect_softirq = get_rect $rects, "$key;softirq";
-            my $rect_nice    = get_rect $rects, "$key;nice";
-            my $rect_iowait  = get_rect $rects, "$key;iowait";
-            my $rect_user    = get_rect $rects, "$key;user";
-            my $rect_system  = get_rect $rects, "$key;system";
-
-            my $rect_peak;
-
-            $y = $C{height} - $heights{system};
-            $rect_system->width($width);
-            $rect_system->height( $heights{system} );
-            $rect_system->x($x);
-            $rect_system->y($y);
-
-            $y -= $heights{user};
-            $rect_user->width($width);
-            $rect_user->height( $heights{user} );
-            $rect_user->x($x);
-            $rect_user->y($y);
-
-            $y -= $heights{nice};
-            $rect_nice->width($width);
-            $rect_nice->height( $heights{nice} );
-            $rect_nice->x($x);
-            $rect_nice->y($y);
-
-            $y -= $heights{idle};
-            $rect_idle->width($width);
-            $rect_idle->height( $heights{idle} );
-            $rect_idle->x($x);
-            $rect_idle->y($y);
-
-            $y -= $heights{iowait};
-            $rect_iowait->width($width);
-            $rect_iowait->height( $heights{iowait} );
-            $rect_iowait->x($x);
-            $rect_iowait->y($y);
-
-            $y -= $heights{irq};
-            $rect_irq->width($width);
-            $rect_irq->height( $heights{irq} );
-            $rect_irq->x($x);
-            $rect_irq->y($y);
-
-            $y -= $heights{softirq};
-            $rect_softirq->width($width);
-            $rect_softirq->height( $heights{softirq} );
-            $rect_softirq->x($x);
-            $rect_softirq->y($y);
-
-            $y -= $heights{guest};
-            $rect_guest->width($width);
-            $rect_guest->height( $heights{guest} );
-            $rect_guest->x($x);
-            $rect_guest->y($y);
-
-            $y -= $heights{steal};
-            $rect_steal->width($width);
-            $rect_steal->height( $heights{steal} );
-            $rect_steal->x($x);
-            $rect_steal->y($y);
-
-            my $all     = 100 - $cpuaverage->{idle};
-            my $max_all = 0;
-
-            $app->fill( $rect_idle,    Loadbars::Constants->BLACK );
-            $app->fill( $rect_steal,   Loadbars::Constants->RED );
-            $app->fill( $rect_guest,   Loadbars::Constants->RED );
-            $app->fill( $rect_irq,     Loadbars::Constants->WHITE );
-            $app->fill( $rect_softirq, Loadbars::Constants->WHITE );
-            $app->fill( $rect_nice,    Loadbars::Constants->GREEN );
-            $app->fill( $rect_iowait,  Loadbars::Constants->PURPLE );
-
-            my $add_x         = 0;
-            my $rect_memused  = get_rect $rects, "$host;memused";
-            my $rect_memfree  = get_rect $rects, "$host;memfree";
-            my $rect_buffers  = get_rect $rects, "$host;buffers";
-            my $rect_cached   = get_rect $rects, "$host;cached";
-            my $rect_swapused = get_rect $rects, "$host;swapused";
-            my $rect_swapfree = get_rect $rects, "$host;swapfree";
-
-            my %meminfo;
-            if ($is_host_summary) {
-                if ( $C{showmem} ) {
-                    $add_x = $width + 1;
-
-                    my $ram_per = percentage $MEMSTATS{"$host;MemTotal"},
-                      $MEMSTATS{"$host;MemFree"};
-                    my $swap_per = percentage $MEMSTATS{"$host;SwapTotal"},
-                      $MEMSTATS{"$host;SwapFree"};
-
-                    %meminfo = (
-                        ram_per  => $ram_per,
-                        swap_per => $swap_per,
-                    );
-
-                    my %heights = (
-                        MemFree => $ram_per * ( $C{height} / 100 ),
-                        MemUsed => ( 100 - $ram_per ) * ( $C{height} / 100 ),
-                        SwapFree => $swap_per * ( $C{height} / 100 ),
-                        SwapUsed => ( 100 - $swap_per ) * ( $C{height} / 100 ),
-                    );
-
-                    my $half_width = $width / 2;
-                    $y = $C{height} - $heights{MemUsed};
-                    $rect_memused->width($half_width);
-                    $rect_memused->height( $heights{MemUsed} );
-                    $rect_memused->x( $x + $add_x );
-                    $rect_memused->y($y);
-
-                    $y -= $heights{MemFree};
-                    $rect_memfree->width($half_width);
-                    $rect_memfree->height( $heights{MemFree} );
-                    $rect_memfree->x( $x + $add_x );
-                    $rect_memfree->y($y);
-
-                    $y = $C{height} - $heights{SwapUsed};
-                    $rect_swapused->width($half_width);
-                    $rect_swapused->height( $heights{SwapUsed} );
-                    $rect_swapused->x( $x + $add_x + $half_width );
-                    $rect_swapused->y($y);
-
-                    $y -= $heights{SwapFree};
-                    $rect_swapfree->width($half_width);
-                    $rect_swapfree->height( $heights{SwapFree} );
-                    $rect_swapfree->x( $x + $add_x + $half_width );
-                    $rect_swapfree->y($y);
-
-                    $app->fill( $rect_memused, Loadbars::Constants->DARK_GREY );
-                    $app->fill( $rect_memfree, Loadbars::Constants->BLACK );
-
-                    $app->fill( $rect_swapused, Loadbars::Constants->GREY );
-                    $app->fill( $rect_swapfree, Loadbars::Constants->BLACK );
-                }
-
-                if ( $C{showcores} ) {
-                    $current_corenum = 0;
-                    $rect_separator = get_rect $rects, "$key;separator";
-                    $rect_separator->width(1);
-                    $rect_separator->height( $C{height} );
-                    $rect_separator->x( $x - 1 );
-                    $rect_separator->y(0);
-                    $app->fill( $rect_separator, Loadbars::Constants->GREY );
-                }
-            }
-
-            if ( $C{extended} ) {
-                my %maxheights = map {
-                        $_ => defined $cpumax->{$_}
-                      ? $cpumax->{$_} * ( $C{height} / 100 )
-                      : 1
-                } keys %$cpumax;
-
-                $rect_peak = get_rect $rects, "$key;max";
-                $rect_peak->width($width);
-                $rect_peak->height(1);
-                $rect_peak->x($x);
-                $rect_peak->y(
-                    $C{height} - $maxheights{system} - $maxheights{user} );
-
-                $max_all =
-                  sum @{$cpumax}
-                  {qw(user system iowait irq softirq steal guest)};
-
-                $app->fill(
-                    $rect_peak,
-                    $max_all > Loadbars::Constants->USER_ORANGE
-                    ? Loadbars::Constants->ORANGE
-                    : (
-                        $max_all > Loadbars::Constants->USER_YELLOW0
-                        ? Loadbars::Constants->YELLOW0
-                        : ( Loadbars::Constants->YELLOW )
-                    )
-                );
-            }
-
-            $app->fill(
-                $rect_user,
-                $all > Loadbars::Constants->USER_ORANGE
-                ? Loadbars::Constants->ORANGE
-                : (
-                    $all > Loadbars::Constants->USER_YELLOW0
-                    ? Loadbars::Constants->YELLOW0
-                    : ( Loadbars::Constants->YELLOW )
-                )
-            );
-            $app->fill( $rect_system,
-                $cpuaverage->{system} > Loadbars::Constants->SYSTEM_BLUE0
-                ? Loadbars::Constants->BLUE0
-                : Loadbars::Constants->BLUE );
-
-            my ( $y, $space ) = ( 5, $font_height );
-
-            my @loadavg = split ';', $AVGSTATS{$host};
-
-            if ( $C{showtext} ) {
-                if ( $C{showmem} && $is_host_summary ) {
-                    my $y_ = $y;
-                    $app->print( $x + $add_x, $y_, 'Ram:' );
-                    $app->print(
-                        $x + $add_x,
-                        $y_ += $space,
-                        sprintf '%02d',
-                        ( 100 - $meminfo{ram_per} )
-                    );
-                    $app->print( $x + $add_x, $y_ += $space, 'Swp:' );
-                    $app->print(
-                        $x + $add_x,
-                        $y_ += $space,
-                        sprintf '%02d',
-                        ( 100 - $meminfo{swap_per} )
-                    );
-                }
-                if ( $C{showtexthost} && $is_host_summary ) {
-
-                    # If hostname is printed don't use FQDN
-                    # because of its length.
-                    $host =~ /([^\.]*)/;
-                    $app->print( $x, $y, sprintf '%s:', $1 );
-
-                }
-                else {
-                    $app->print( $x, $y, sprintf '%i:',
-                          $C{showcores}
-                        ? $current_corenum
-                        : $current_barnum + 1 );
-                }
-
-                if ( $C{extended} ) {
-                    $app->print(
-                        $x,
-                        $y += $space,
-                        sprintf '%02d%s',
-                        norm $cpuaverage->{steal}, 'st'
-                    );
-                    $app->print(
-                        $x,
-                        $y += $space,
-                        sprintf '%02d%s',
-                        norm $cpuaverage->{guest}, 'gt'
-                    );
-                    $app->print(
-                        $x,
-                        $y += $space,
-                        sprintf '%02d%s',
-                        norm $cpuaverage->{softirq}, 'sr'
-                    );
-                    $app->print(
-                        $x,
-                        $y += $space,
-                        sprintf '%02d%s',
-                        norm $cpuaverage->{irq}, 'ir'
-                    );
-                }
-
-                $app->print(
-                    $x,
-                    $y += $space,
-                    sprintf '%02d%s',
-                    norm $cpuaverage->{iowait}, 'io'
-                );
-
-                $app->print(
-                    $x,
-                    $y += $space,
-                    sprintf '%02d%s',
-                    norm $cpuaverage->{idle}, 'id'
-                ) if $C{extended};
-
-                $app->print(
-                    $x,
-                    $y += $space,
-                    sprintf '%02d%s',
-                    norm $cpuaverage->{nice}, 'ni'
-                );
-                $app->print(
-                    $x,
-                    $y += $space,
-                    sprintf '%02d%s',
-                    norm $cpuaverage->{user}, 'us'
-                );
-                $app->print(
-                    $x,
-                    $y += $space,
-                    sprintf '%02d%s',
-                    norm $cpuaverage->{system}, 'sy'
-                );
-                $app->print(
-                    $x,
-                    $y += $space,
-                    sprintf '%02d%s',
-                    norm $all, 'to'
-                );
-
-                $app->print(
-                    $x,
-                    $y += $space,
-                    sprintf '%02d%s',
-                    norm $max_all, 'pk'
-                ) if $C{extended};
-
-                if ($is_host_summary) {
-                    if ( defined $loadavg[0] ) {
-                        $app->print( $x, $y += $space, 'Avg:' );
-                        $app->print(
-                            $x,
-                            $y += $space,
-                            sprintf "%.2f",
-                            $loadavg[0]
-                        );
-                        $app->print(
-                            $x,
-                            $y += $space,
-                            sprintf "%.2f",
-                            $loadavg[1]
-                        );
-                        $app->print(
-                            $x,
-                            $y += $space,
-                            sprintf "%.2f",
-                            $loadavg[2]
-                        );
-                    }
-                }
-            }
-
-            $app->update(
-                $rect_idle,  $rect_iowait,  $rect_irq,
-                $rect_nice,  $rect_softirq, $rect_steal,
-                $rect_guest, $rect_system,  $rect_user,
-            );
-
-            $app->update(
-                $rect_memfree,  $rect_memused,
-                $rect_swapused, $rect_swapfree
-            ) if $C{showmem};
-            $app->update($rect_separator) if defined $rect_separator;
-
-            $x += $width + 1 + $add_x;
-
-        }
-
-      TIMEKEEPER:
-        $t2 = Time::HiRes::time();
-        my $t_diff = $t2 - $t1;
-
-        if ( Loadbars::Constants->INTERVAL > $t_diff ) {
-            usleep 10000;
-
-            # Goto is OK as long you don't produce spaghetti code
-            goto TIMEKEEPER;
-
-        }
-        elsif ( Loadbars::Constants->INTERVAL_WARN < $t_diff ) {
-            display_warn
-"WARN: Loop is behind $t_diff seconds, your computer may be too slow";
-        }
-
-        $t1 = $t2;
-        $event_handler->();
-
-        my $new_num_stats = keys %CPUSTATS;
-        $new_num_stats += keys %MEMSTATS_HAS if $C{showmem};
-
-        if ( $new_num_stats != $num_stats ) {
-            %prev_stats = ();
-            %last_loads = ();
-
-            $num_stats       = $new_num_stats;
-            $newsize{width}  = $C{barwidth} * $num_stats;
-            $newsize{height} = $C{height};
-            $resize_window   = 1;
-        }
-
-        if ($resize_window) {
-            set_dimensions $newsize{width}, $newsize{height};
-            $app->resize( $C{width}, $C{height} );
-            $resize_window     = 0;
-            $redraw_background = 1;
-        }
-
-        if ($redraw_background) {
-            draw_background $app, $rects;
-            $redraw_background = 0;
-        }
-
-        auto_off_text $width;
-
-    } until $quit;
-
-    say "Good bye";
-
-    exit Loadbars::Constants->SUCCESS;
-}
-
-# Recursuve function
-sub get_cluster_hosts ($;$);
-
-sub get_cluster_hosts ($;$) {
-    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;