5 use Data::Dump qw(dump);
7 open(my $dot, '>', '/dev/shm/wap-scan.dot');
8 print $dot qq|digraph wap {
16 $hostname =~ s/^.*\///;
17 $hostname =~ s/_.*$//;
22 foreach my $link ( glob "/dev/shm/wap/*ip_link*" ) {
23 my $hostname = path2hostname $link;
24 open(my $fh, '<', $link);
28 if ( m/^\d+:\s(\S+):/ ) {
30 } elsif ( m/link\/ether\s(\S+)/ ) {
31 push @{ $mac2hostname->{$1}->{$hostname} }, $if;
37 warn "# mac2hostname = ",dump($mac2hostname);
39 foreach my $scan ( glob "/dev/shm/wap/*iw_*_scan" ) {
40 my $hostname = path2hostname $scan;
42 open(my $fh, '<', $scan);
46 if ( m/^BSS\s(\S+)\(on\s(\S+)\)/ ) {
48 $stat->{$hostname}->{$bss} = {
52 } elsif ( m/^\s*(freq|signal|SSID):\s*(.+)/ ) {
53 $stat->{$hostname}->{$bss}->{$1} = $2;
59 warn "# stat = ", dump($stat);
71 foreach my $ap ( keys %$stat ) {
72 foreach my $bss ( keys %{ $stat->{$ap} } ) {
73 my $freq = $stat->{$ap}->{$bss}->{freq};
74 if ( exists $mac2hostname->{$bss} ) {
75 my $remote = join(',', keys %{ $mac2hostname->{$bss} } );
77 my $len = $stat->{$ap}->{$bss}->{signal} || die "no signal in ",dump($stat->{$ap}->{$bss});
80 if ( $stat->{$ap}->{$bss}->{SSID} =~ m/eduroam/i && $freq =~ m/^24/ && $len < 90 ) { # FIXME
81 $freq_count->{$freq}++;
82 printf $dot qq| %s -> %s:%s [ len = %d, label = "%s" ];\n|,
83 _dot($ap),_dot($remote),$freq, $len, $len;
85 $ap_freq->{ $remote }->{local}->{$freq}++;
87 $ap_freq->{ $ap }->{external}->{$freq}++;
88 print "$ap EXTERNAL ";
90 my $info = dump( $stat->{$ap}->{$bss} );
91 $info =~ s/[\n\r\s]+/ /gs;
96 warn "# freq_count = ",dump($freq_count);
97 warn "# ap_freq = ",dump($ap_freq);
99 foreach my $node ( sort keys %$ap_freq ) {
100 print $dot _dot($node), ' [ shape=record, label="', $node, '|{', join('|', map { "<$_>$_ " . $ap_freq->{$node}->{local}->{$_} } sort keys %{ $ap_freq->{$node}->{local} }), '}" ];', "\n";
109 ls /dev/shm/wap/*iw_*_scan | while read file ; do
111 hostname=`echo $file | sed -e 's/^.*\///' -e 's/_.*$//'`
113 echo `egrep '(BSS|freq:|signal:|SSID:)' $file` \
114 | sed -e 's/\n */ /g' -e "s/ *BSS/\n## $hostname BSS/g" -e 's/ *(on \([^ ][^ ]*\)) */ \1 /g'