diff options
Diffstat (limited to 'bin')
-rwxr-xr-x | bin/net_monitor | 588 |
1 files changed, 588 insertions, 0 deletions
diff --git a/bin/net_monitor b/bin/net_monitor new file mode 100755 index 0000000..b513b54 --- /dev/null +++ b/bin/net_monitor @@ -0,0 +1,588 @@ +#!/usr/bin/perl + +# NetMonitor + +# Copyright (C) 1999-2005 Mandriva +# Damien "Dam's" Krotkine +# Thierry Vignaud <tvignaud@mandriva.com> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +use lib qw(/usr/lib/libDrakX); + +use strict; +use standalone; #- warning, standalone must be loaded very first, for 'explanations' + +use c; +use interactive; +use ugtk2 qw(:create :helpers :wrappers); +use common; +use network::network; +use network::tools; +use POSIX; + +$ugtk2::wm_icon = "/usr/share/mcc/themes/default/net_monitor-mdk.png"; + +if ("@ARGV" =~ /--status/) { print network::tools::connected(); exit(0) } +my $force = "@ARGV" =~ /--force/; +my $quiet = "@ARGV" =~ /--quiet/; +my $connect = "@ARGV" =~ /--connect/; +my $disconnect = "@ARGV" =~ /--disconnect/; +my ($default_intf) = "@ARGV" =~ /--defaultintf (\w+)/; + +my $net = {}; +network::network::read_net_conf($net); +$default_intf ||= $net->{net_interface}; + +if ($force) { + $connect and network::tools::start_interface($default_intf, 1); + $disconnect and network::tools::stop_interface($default_intf, 1); + $connect = $disconnect = 0; +} +$quiet and exit(0); + + +my $window1 = ugtk2->new(N("Network Monitoring")); +$window1->{window}->signal_connect(delete_event => \&main_quit); + +unless ($::isEmbedded) { + $window1->{window}->set_position('center'); + $window1->{window}->set_title(N("Network Monitoring")); + $window1->{window}->set_border_width(5); +} +#$::isEmbedded or $window1->{window}->set_size_request(580, 320); + +my $colorr = gtkcolor(50400, 655, 20000); +my $colort = gtkcolor(55400, 55400, 655); +my $colora = gtkcolor(655, 50400, 655); +my $isconnected = -1; +my @interfaces; +my $monitor = {}; +my $c_time = 0; +my $ct_tag; + +my ($pixmap, $darea, $gc_lines); +my ($width, $height) = (300, 150); + +my $left_border = 50; +my $grid_interval = 30; +my $arrow_space = 6; +my $arrow_size = 5; + +my $cfg_file = $< ? "$ENV{HOME}/.net_monitorrc" : "/etc/sysconfig/net_monitorrc"; +my %config = getVarsFromSh($cfg_file); +my $use_same_scale = text2bool($config{use_same_scale}); + +gtkadd($window1->{window}, + gtkpack_(Gtk2::VBox->new(0,5), + 1, gtkpack_(Gtk2::HBox->new(0,5), + 0, my $notebook = Gtk2::Notebook->new, + 1, gtkpack_(Gtk2::VBox->new(0,5), + 0, gtkadd(gtkset_shadow_type(Gtk2::Frame->new(N("Settings")), 'etched_out'), + gtkpack__(gtkset_border_width(Gtk2::HBox->new(0,0),5), + N("Connection type: "), + my $label_cnx_type = Gtk2::Label->new("")), + ), + 1, gtkadd(gtkset_shadow_type(Gtk2::Frame->new(N("Global statistics")), 'etched_out'), + gtkpack__(gtkset_border_width(Gtk2::VBox->new(0,0),5), + create_packtable({ col_spacings => 1, row_spacings => 5, homogeneous => 1 }, + [ Gtk2::Label->new(""), Gtk2::Label->new(N("Instantaneous")) , Gtk2::Label->new(N("Average")) ], + [ Gtk2::WrappedLabel->new(N("Sending\nspeed:")), my $label_st = Gtk2::Label->new(""), my $label_sta = Gtk2::Label->new(N("unknown")) ], + [ Gtk2::WrappedLabel->new(N("Receiving\nspeed:")), my $label_sr = Gtk2::Label->new(""), my $label_sra = Gtk2::Label->new(N("unknown")) ], + ), + Gtk2::HSeparator->new, + gtkpack__(gtkset_border_width(Gtk2::HBox->new(0,0),5), + N("Connection\ntime: "), + my $label_ct = Gtk2::Label->new(N("unknown")), + ), + ) + ), + ) + ), + 0, gtksignal_connect(gtkset_active(Gtk2::CheckButton->new(N("Use same scale for received and transmitted")), $use_same_scale), clicked => sub { $use_same_scale = !$use_same_scale }), + 0, gtkpack(create_hbox('edge'), + gtksignal_connect(my $button_connect = gtkset_sensitive(Gtk2::Button->new(N("Wait please")), 0), clicked => \&connection), + gtksignal_connect(my $button_close = Gtk2::Button->new(N("Close")), clicked => \&main_quit), + ), + 0, my $statusbar = Gtk2::Statusbar->new + ), + ); + +$window1->{window}->show_all; +$window1->{window}->realize; + +my $gct = Gtk2::Gdk::GC->new($window1->{window}->window); +$gct->set_foreground($colort); +my $gcr = Gtk2::Gdk::GC->new($window1->{window}->window); +$gcr->set_foreground($colorr); +my $gca = Gtk2::Gdk::GC->new($window1->{window}->window); +$gca->set_foreground($colora); + +$statusbar->push(1, N("Wait please, testing your connection...")); +$window1->{window}->show_all; + +Glib::Timeout->add(1000, \&rescan); +my $time_tag2 = Glib::Timeout->add(1000, \&update); + +update(); +rescan(); + +gtkflush() while $isconnected == -2 || $isconnected == -1; + +Glib::Source->remove($time_tag2); +$time_tag2 = Glib::Timeout->add(5000, \&update); + +connection() if $connect && !$isconnected || $disconnect && $isconnected; + +my $tool_pid; + +$SIG{CHLD} = sub { + my $child_pid; + do { + $child_pid = waitpid(-1, POSIX::WNOHANG); + if ($tool_pid eq $child_pid) { + undef $tool_pid; + $button_close->set_sensitive(1); + } + } while $child_pid > 0; +}; + + +$window1->main; +main_quit(); + +my $during_connection; +my $first; + +sub main_quit() { + $config{use_same_scale} = bool2yesno($use_same_scale); + setVarsInSh($cfg_file, \%config); + ugtk2->exit(0); +} + +sub connection() { + $during_connection = 1; + my $wasconnected = $isconnected; + + $button_connect->set_sensitive(0); + $button_close->set_sensitive(0); + $statusbar->pop(1); + $statusbar->push(1, $wasconnected ? N("Disconnecting from Internet ") : N("Connecting to Internet ")); + if ($wasconnected == 0) { + $c_time = time(); + $ct_tag = Glib::Timeout->add(1000, sub { + my ($sec, $min, $hour) = gmtime(time() - $c_time); + my $e = sprintf("%02d:%02d:%02d", $hour, $min, $sec); + $label_ct->set_label($e); 1 }); + } + my $nb_point = 1; + $first = 1; + + my $_tag = Glib::Timeout->add(1000, sub { + $statusbar->pop(1); + $statusbar->push(1, ($wasconnected == 1 ? N("Disconnecting from Internet ") : N("Connecting to Internet ")) + . join('', map { "." } (1..$nb_point))); + $nb_point++; + if ($nb_point < 4) { return 1 } + my $ret = 1; + + my $isconnect = test_connected(0); + + if ($nb_point < 20) { + if ($first == 1) { # first time + if ($isconnect == -2) { # wait for last test to finish + test_connected(2); # not yet terminated, try to cancel it + return 1; + } + test_connected(1); # initiates new connection test + $first = 0; + return 1; + } + if ($isconnect == -2) { return 1 } # no result yet, wait. + if ($isconnect == $wasconnected) { + # we got a test result; but the connection state did not change; retry. + test_connected(1); + return 1; + } + } + # either we got a result, or we timed out. + if ($isconnect != -2 || $nb_point > 20) { + $isconnected = $isconnect; + $ret = 0; + $statusbar->pop(1); + $statusbar->push(1, $wasconnected ? ($isconnected ? + N("Disconnection from Internet failed.") : + N("Disconnection from Internet complete.")) : + ($isconnected ? + N("Connection complete.") : + N("Connection failed.\nVerify your configuration in the Mandriva Linux Control Center.")) + ); + # remove the connection time timer if connection is down or failed + $isconnected or Glib::Source->remove($ct_tag); + my $delay = 1000; + # keep the message displayed longer if there is a problem. + if ($isconnected == $wasconnected) { $delay = 5000 } + my $_tag3 = Glib::Timeout->add($delay, sub { + + $button_connect->set_sensitive(1); + $button_close->set_sensitive(1); + undef $during_connection; + update(); + return 0; + }); + } + return $ret; + }); + + gtkflush(); + + $tool_pid = + $wasconnected == 1 + ? network::tools::stop_interface($default_intf, 1) + : network::tools::start_interface($default_intf, 1); +} + +sub graph_window_width() { $width - $left_border } + +sub rescan() { + get_val(); + foreach (@interfaces) { + my $intf = $_; + my $recv = $monitor->{$intf}{val}[0]; + my $transmit = $monitor->{$intf}{val}[8]; + my $refr = $monitor->{$intf}{referencer}; + my $reft = $monitor->{$intf}{referencet}; + $monitor->{sr} += $recv - $refr; + $monitor->{st} += $transmit - $reft; + + $monitor->{$intf}{recva} += $recv - $refr; + $monitor->{$intf}{recvan}++; + if ($monitor->{$intf}{recvan} > 9) { + push(@{$monitor->{$intf}{stack_ra}}, $monitor->{$intf}{recva}/10); + $monitor->{$intf}{recva} = $monitor->{$intf}{recvan} = 0; + } else { push(@{$monitor->{$intf}{stack_ra}}, -1) } + shift @{$monitor->{$intf}{stack_ra}} if @{$monitor->{$intf}{stack_ra}} > graph_window_width(); + + push(@{$monitor->{$intf}{stack_r}}, $recv - $refr); + shift @{$monitor->{$intf}{stack_r}} if @{$monitor->{$intf}{stack_r}} > graph_window_width(); + $monitor->{$intf}{labelr}->set_label(formatXiB($recv - $monitor->{$intf}{initialr})); + $monitor->{$intf}{referencer} = $recv; + + $monitor->{$intf}{transmita} += $transmit - $reft; + $monitor->{$intf}{transmitan}++; + if ($monitor->{$intf}{transmitan} > 9) { + push(@{$monitor->{$intf}{stack_ta}}, $monitor->{$intf}{transmita}/10); + $monitor->{$intf}{transmita} = $monitor->{$intf}{transmitan} = 0; + } else { push(@{$monitor->{$intf}{stack_ta}}, -1) } + shift @{$monitor->{$intf}{stack_ta}} if @{$monitor->{$intf}{stack_ta}} > graph_window_width(); + + push(@{$monitor->{$intf}{stack_t}}, $transmit - $reft); + shift @{$monitor->{$intf}{stack_t}} if @{$monitor->{$intf}{stack_t}} > graph_window_width(); + $monitor->{$intf}{labelt}->set_label(formatXiB($transmit - $monitor->{$intf}{initialt})); + $monitor->{$intf}{referencet} = $transmit; + + draw_monitor($monitor->{$intf}, $intf); + } + $label_sr->set_label(formatXiB($monitor->{sr}) . "/s"); + $label_st->set_label(formatXiB($monitor->{st}) . "/s"); + $monitor->{sra} += $monitor->{sr}; + $monitor->{sta} += $monitor->{st}; + $monitor->{nba}++; + if ($monitor->{nba} > 9) { + $label_sra->set_label(formatXiB($monitor->{sra}/10) . "/s"); + $label_sta->set_label(formatXiB($monitor->{sta}/10) . "/s"); + $monitor->{sra} = 0; + $monitor->{sta} = 0; + $monitor->{nba} = 0; + } + $label_cnx_type->set_label(translate($net->{type})); + $monitor->{$_} = 0 foreach 'sr', 'st'; + 1; +} + +sub get_val() { + my $a = cat_("/proc/net/dev"); + $a =~ s/^.*?\n.*?\n//; + $a =~ s/^\s*lo:.*?\n//; + my @line = split(/\n/, $a); + require detect_devices; + my @net_devices = detect_devices::get_net_interfaces(); + map { + s/\s*(\w*)://; + my $intf = $1; + if (member($intf, @net_devices)) { + $monitor->{$intf}{val} = [ split() ]; + $monitor->{$intf}{intf} = $intf; + $intf; + } else { () } + } @line; +} + +sub change_color { + my ($color) = @_; + my $dialog = _create_dialog(N("Color configuration")); + $dialog->vbox->add(my $colorsel = Gtk2::ColorSelection->new); + $colorsel->set_current_color($color); + $dialog->add_button(N("Cancel"), 'cancel'); + $dialog->add_button(N("Ok"), 'ok'); + $dialog->show_all; + if ($dialog->run eq 'ok') { + $color = $colorsel->get_current_color; + } + $dialog->destroy; + $color; +} + +my ($scale_r, $scale_t); +$scale_r = $scale_t = $height; + +sub scale_tranmistted($) { $_[0] * $scale_t } +sub scale_received($) { $_[0] * $scale_r } + +sub update() { + if (!$during_connection) { + my $isconnect = test_connected(0); + if ($isconnect != -2) { + $isconnected = $isconnect; # save current state + $isconnect = test_connected(1); # start new test + } + } + + my @intfs = get_val(); # get values from /proc file system + foreach (@intfs) { + my $intf = $_; + if (!member($intf,@interfaces)) { + $default_intf ||= $intf; + $monitor->{$intf}{initialr} = $monitor->{$intf}{val}[0]; + $monitor->{$intf}{initialt} = $monitor->{$intf}{val}[8]; + $darea->{$intf} = Gtk2::DrawingArea->new; + $darea->{$intf}->set_events(["pointer_motion_mask"]); + $notebook->append_page(gtkshow(my $page = gtkpack_(Gtk2::VBox->new(0,0), + 0, gtkpack__(gtkset_border_width(Gtk2::HBox->new(0,0), 5), + gtksize($darea->{$intf}, $width, $height)), + 0, gtkpack_(Gtk2::HBox->new(0,0), + 1, gtkpack__(Gtk2::VBox->new(0,0), + gtkpack__(gtkset_border_width(Gtk2::HBox->new(0,5), 5), + gtksignal_connect(my $button_t = gtkset_relief(Gtk2::Button->new, 'none'), clicked => sub { + $colort = change_color($colort); + $gct->set_foreground($colort); + $_[0]->queue_draw; + }), + N("sent: "), $monitor->{$intf}{labelt} = Gtk2::Label->new("0")), + gtkpack__(gtkset_border_width(Gtk2::HBox->new(0,5), 5), + gtksignal_connect(my $button_r = gtkset_relief(Gtk2::Button->new, 'none'), clicked => sub { + $colorr = change_color($colorr); + $gcr->set_foreground($colorr); + $_[0]->queue_draw; + }), + N("received: "), $monitor->{$intf}{labelr} = Gtk2::Label->new("0")), + gtkpack__(gtkset_border_width(Gtk2::HBox->new(0,5), 5), + gtksignal_connect(my $button_a = gtkset_relief(Gtk2::Button->new, 'none'), clicked => sub { + $colora = change_color($colora); + $gca->set_foreground($colora); + $_[0]->queue_draw; + }), + N("average")) + ), + 0, gtkpack__(gtkset_border_width(Gtk2::VBox->new(0,0), 5), + gtkadd(gtkset_shadow_type(Gtk2::Frame->new(N("Local measure")), 'etched_out'), + gtkpack__(gtkset_border_width(Gtk2::VBox->new(0,0), 5), + gtkpack__(Gtk2::HBox->new(0,0), + N("sent: "), + my $measure_t = Gtk2::Label->new("0") + ), + gtkpack__(Gtk2::HBox->new(0,0), + N("received: "), + my $measure_r = Gtk2::Label->new("0") + ) + ) + ) + ) + ) + )), + Gtk2::Label->new($intf)); + foreach my $i ([$button_t, $gct], [$button_r, $gcr], [$button_a, $gca]) { + $i->[0]->add(gtksignal_connect(gtkshow(gtksize(gtkset_size_request(Gtk2::DrawingArea->new, 10, 10), 10, 10)), + expose_event => sub { $_[0]->window->draw_rectangle($i->[1], 1, 0, 0, 10, 10) })); + } + $monitor->{$intf}{page} = $notebook->page_num($page); + $darea->{$intf}->realize; + $pixmap->{$intf} = Gtk2::Gdk::Pixmap->new($darea->{$intf}->window, $width, $height, $darea->{$intf}->window->get_depth); + $monitor->{$intf}{referencer} = $monitor->{$intf}{val}[0]; + $monitor->{$intf}{referencet} = $monitor->{$intf}{val}[8]; + $pixmap->{$intf}->draw_rectangle($darea->{$intf}->style->black_gc, 1, 0, 0, $width, $height); + $darea->{$intf}->signal_connect(motion_notify_event => sub { + my (undef, $e) = @_; + my $x = $e->x - 50; + my $received = $x >= 0 ? $monitor->{$intf}{stack_r}[$x] : 0; + my $transmitted = $x >= 0 ? $monitor->{$intf}{stack_t}[$x] : 0; + $measure_r->set_label(formatXiB($received)); + $measure_t->set_label(formatXiB($transmitted)); + }); + $darea->{$intf}->signal_connect(expose_event => sub { + $darea->{$intf}->window->draw_drawable($darea->{$intf}->style->bg_gc('normal'), $pixmap->{$intf}, 0, 0, 0, 0, $width, $height); + }); + $gc_lines->{$intf} = Gtk2::Gdk::GC->new($darea->{$intf}->window); + $gc_lines->{$intf}->set_foreground($darea->{$intf}->style->white); + $gc_lines->{$intf}->set_line_attributes(1, 'on-off-dash', 'not-last', 'round'); + + } + } + foreach (@interfaces) { + my $intf = $_; + $notebook->remove_page($monitor->{$intf}{page}) unless member($intf,@intfs); + } + if (@intfs && !@interfaces) { + #- select the default interface at start + for (my $num_p = 0; $num_p < $notebook->get_n_pages; $num_p++) { + if ($notebook->get_tab_label_text($notebook->get_nth_page($num_p)) eq $default_intf) { + $notebook->set_current_page($num_p); + last; + } + } + } + @interfaces = @intfs; + if ($isconnected != -2 && $isconnected != -1 && !$during_connection) { + if ($isconnected == 1 && !in_ifconfig($net->{net_interface})) { + $isconnected = 0; + $statusbar->pop(1); + $statusbar->push(1, N("Warning, another internet connection has been detected, maybe using your network")); + } else { + #- translators : $net->{type} is the type of network connection (modem, adsl...) + $statusbar->pop(1); + $statusbar->push(1, $isconnected == 1 ? N("Connected") : N("Not connected")); + } + $button_connect->set_sensitive(1); + $button_connect->set("label", $isconnected == 1 ? N("Disconnect %s", translate($net->{type})) : N("Connect %s", $net->{type})); + } + unless ($default_intf || @interfaces) { + $button_connect->set_sensitive(0); + $button_connect->set("label", N("No internet connection configured")); + } + 1; +} + +sub in_ifconfig { + my ($intf) = @_; + -x '/sbin/ifconfig' or return 1; + $intf eq '' and return 1; + `/sbin/ifconfig` =~ /$intf/; +} + +sub draw_monitor { + my ($o, $intf) = @_; + defined $darea->{$intf} or return; + my $gcl = $gc_lines->{$intf}; + my $pixmap = $pixmap->{$intf}; + $pixmap->draw_rectangle($darea->{$intf}->style->black_gc, 1, 0, 0, $width, $height); + my $maxr = 0; + foreach (@{$o->{stack_r}}) { $maxr = $_ if $_ > $maxr } + my $maxt = 0; + foreach (@{$o->{stack_t}}) { $maxt = $_ if $_ > $maxt } + + my ($graph_maxr, $graph_maxt); + if ($use_same_scale) { + $graph_maxr = $graph_maxt = ($maxr + $maxt)/2; + } else { + $graph_maxr = $maxr; + $graph_maxt = $maxt; + } + $scale_r = ($height/2) / max($graph_maxr, 1); + $scale_t = ($height/2) / max($graph_maxt, 1); + + my $step = $left_border - 1; + foreach (@{$o->{stack_t}}) { + $pixmap->draw_rectangle($gct, 1, $step, 0, 1, scale_tranmistted($_)); + $step++; + } + $step = $left_border - 1; + my ($av1, $av2, $last_a); + foreach (@{$o->{stack_ta}}) { + if ($_ != -1) { + if (!defined $av1) { $av1 = $_ } else { defined $av2 or $av2 = $_ } + if ($av1 && $av2) { + $pixmap->draw_line($gca, $step-15, scale_tranmistted($av1), $step-5, scale_tranmistted($av2)); + $av1 = $av2; + undef $av2; + $last_a = $step - $left_border + 1; + } + } + $step++; + } + $step = $left_border - 1; + foreach (@{$o->{stack_r}}) { + $pixmap->draw_rectangle($gcr, 1, $step, $height-scale_received($_), 1, scale_received($_)); + $step++; + } + $step = $left_border - 1; + $av1 = $av2 = undef; + foreach (@{$o->{stack_ra}}) { + if ($_ != -1) { + if (!defined $av1) { $av1 = $_ } else { defined $av2 or $av2 = $_ } + if (defined $av1 && defined $av2) { + $pixmap->draw_line($gca, $step-15, $height-scale_received($av1), $step-5, $height-scale_received($av2)); + $av1 = $av2; + undef $av2; + } + } + $step++; + } + + my ($pix_maxr, $pix_maxt); + if ($last_a) { + $pix_maxr = $height - scale_received(@{$o->{stack_ra}}[$last_a]); + $pix_maxt = scale_tranmistted(@{$o->{stack_ta}}[$last_a]); + } else { + $pix_maxr = $height - scale_received(@{$o->{stack_r}}[@{$o->{stack_r}}-1]); + $pix_maxt = scale_tranmistted(@{$o->{stack_t}}[@{$o->{stack_t}}-1]); + } + + my $x_l = $arrow_size + 1; + my $y_l; + + #- "transmitted" arrow + $y_l = max($arrow_space, min($pix_maxt, $pix_maxr - 2*$arrow_size - $arrow_space)); + $pixmap->draw_line($gct, $x_l, 0, $x_l, $y_l); + $pixmap->draw_line($gct, $x_l-1, 0, $x_l-1, $y_l); + $pixmap->draw_line($gct, $x_l+1, 0, $x_l+1, $y_l); + $pixmap->draw_polygon($gct, 1, $x_l-$arrow_size, $y_l, $x_l+$arrow_size, $y_l, $x_l, $y_l+$arrow_size); + + #- "received" arrow + $y_l = min($height - $arrow_space, max($pix_maxr, $y_l + 2*$arrow_size + $arrow_space)); + $pixmap->draw_line($gcr, $x_l, $height, $x_l, $y_l); + $pixmap->draw_line($gcr, $x_l-1, $height, $x_l-1, $y_l); + $pixmap->draw_line($gcr, $x_l+1, $height, $x_l+1, $y_l); + $pixmap->draw_polygon($gcr, 1, $x_l-$arrow_size, $y_l, $x_l+$arrow_size, $y_l, $x_l, $y_l-$arrow_size); + + for (my $i = $grid_interval; $i <= $height - $grid_interval; $i += $grid_interval) { + $pixmap->draw_line($gcl, $left_border, $i, $width, $i); + my ($gc2, $text); + if ($i > max($grid_interval, $use_same_scale ? $pix_maxt : $height/2)) { + $text = formatXiB(($height-$i)/$scale_r); + $gc2 = $gcr; + } else { + $text = formatXiB($i/$scale_t); + $gc2 = $gct; + } + $pixmap->draw_layout($gc2, 45-string_width($darea->{$intf}, $text), $i-5, $darea->{$intf}->create_pango_layout($text)); + } + $darea->{$intf}->queue_draw; +} + + +sub test_connected { + my ($arg) = @_; + $::testing || network::tools::test_connected($arg); +} |