use bro if mac is not found in local arp

[dell-switch] / wap-scan.pl

diff --git a/wap-scan.pl b/wap-scan.pl
index be5a6e2..75550ff 100755 (executable)
--- a/wap-scan.pl
+++ b/wap-scan.pl
@@ -4,6 +4,11 @@ use strict;
 use autodie;
 use Data::Dump qw(dump);
 
+open(my $dot, '>', '/dev/shm/wap-scan.dot');
+print $dot qq|digraph wap {
+
+|;
+
 my $stat;
 
 sub path2hostname {
@@ -41,7 +46,7 @@ foreach my $scan ( glob "/dev/shm/wap/*iw_*_scan" ) {
                if ( m/^BSS\s(\S+)\(on\s(\S+)\)/ ) {
                        $bss = $1;
                        $stat->{$hostname}->{$bss} = {
-                               if => $2,
+                               #if => $2,
                        };
                
                } elsif ( m/^\s*(freq|signal|SSID):\s*(.+)/ ) {
@@ -53,13 +58,33 @@ foreach my $scan ( glob "/dev/shm/wap/*iw_*_scan" ) {
 
 warn "# stat = ", dump($stat);
 
+sub _dot {
+       my $t = shift;
+       $t =~ s/\W+/_/g;
+       return $t;
+}
+
+my $ap_freq;
+my $freq_count;
+my @edges;
 
 foreach my $ap ( keys %$stat ) {
        foreach my $bss ( keys %{ $stat->{$ap} } ) {
+               my $freq = $stat->{$ap}->{$bss}->{freq};
                if ( exists $mac2hostname->{$bss} ) {
                        my $remote = join(',', keys %{ $mac2hostname->{$bss} } );
                        print "$ap $remote ";
+                       my $len = $stat->{$ap}->{$bss}->{signal} || die "no signal in ",dump($stat->{$ap}->{$bss});
+                       $len =~ s/ \w+//;
+                       $len = abs($len);
+                       if ( $stat->{$ap}->{$bss}->{SSID} =~ m/eduroam/i && $freq =~ m/^24/ && $len < 90 ) { # FIXME
+                               $freq_count->{$freq}++;
+                               printf $dot qq| %s -> %s:%s [ len = %d, label = "%s" ];\n|,
+                                       _dot($ap),_dot($remote),$freq, $len, $len;
+                       }
+                       $ap_freq->{ $remote }->{local}->{$freq}++;
                } else {
+                       $ap_freq->{ $ap }->{external}->{$freq}++;
                        print "$ap EXTERNAL ";
                }
                my $info = dump( $stat->{$ap}->{$bss} );
@@ -68,6 +93,17 @@ foreach my $ap ( keys %$stat ) {
        }
 }
 
+warn "# freq_count = ",dump($freq_count);
+warn "# ap_freq = ",dump($ap_freq);
+
+foreach my $node ( sort keys %$ap_freq ) {
+       print $dot _dot($node), ' [ shape=record, label="', $node, '|{', join('|', map { "<$_>$_ " . $ap_freq->{$node}->{local}->{$_} } sort keys %{ $ap_freq->{$node}->{local} }), '}" ];', "\n";
+
+}
+
+print $dot qq|
+}
+|;
 __END__
 
 ls /dev/shm/wap/*iw_*_scan | while read file ; do