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updated snrlog for multi devices

This commit is contained in:
Darryl Quinn 2015-12-10 11:17:03 -06:00
parent f96fac0a57
commit 43565d714e
1 changed files with 74 additions and 24 deletions
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78
files/usr/local/bin/snrlog
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@ -1,25 +1,75 @@
#!/usr/bin/perl
BEGIN {push @INC, '/www/cgi-bin'};
use perlfunc;
=for commnet
Part of AREDN -- Used for creating Amateur Radio Emergency Data Networks
Copyright (C) 2015 Joe Ayers ae6xe@arrl.net and Darryl Quinn K5DLQ
See Contributors file for additional contributors
my $filename = '/tmp/snrlog/strongest';
my $MAXLINES=2880; # 2days worth
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 version 3 of the License.
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, see <http://www.gnu.org/licenses/>.
Additional Terms:
Additional use restrictions exist on the AREDN(TM) trademark and logo.
See AREDNLicense.txt for more info.
Attributions to the AREDN Project must be retained in the source code.
If importing this code into a new or existing project attribution
to the AREDN project must be added to the source code.
You must not misrepresent the origin of the material contained within.
Modified versions must be modified to attribute to the original source
and be marked in reasonable ways as differentiate it from the original
version.
=cut
$MAXLINES=2880; # 2 days worth
$tmpdir="/tmp/snrlog";
$sigdir="/sys/kernel/debug/ieee80211/phy0/netdev\:wlan0/stations";
$nf = `iw wlan0 survey dump | grep -A 1 'in use' | tail -1`;
$nf =~ s/^[^-\d]*([-\d]+).*$/$1/;
chomp $nf;
if (! -e $tmpdir ) { system("mkdir $tmpdir > /dev/null"); }
($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst)=localtime(time);
$d = sprintf ("%02d/%02d %02d:%02d:%02d",$mon, $mday,$hour, $min, $sec);
($s, $n) = get_wifi_signal(get_interface("wifi"));
$s = 0 if $s eq "N/A";
$n = 0 if $n eq "N/A";
open(my $fh, '>>', $filename) or die "Could not open file '$filename' $!";
print $fh "$d,$s,$n\n";
foreach $sigmac ( `ls $sigdir` )
{
chomp $sigmac;
chomp ($ip = `cat /proc/net/arp | grep $sigmac | cut -f1 -d\" "`);
$hname="";
foreach(`nslookup $ip`)
{
next unless ($hname) = /Address 1: $ip (\S+)/;
$hname =~ s/\..*$// ;
break;
}
$sigdat = "$sigmac-$hname";
chomp ($siglevel = `cat $sigdir/$sigmac/last_signal`) ;
if ($siglevel < -100 or $siglevel >= 0 ) { next; }
open(my $fh, '>>', "$tmpdir/$sigdat") or die "Could not open file '$tmpdir/$sigdat' $!";
print $fh "$d,$siglevel,$nf\n";
close $fh;
$lcount=`wc -l < $filename`;
chomp($lcount);
chomp ($lcount=`wc -l < $tmpdir/$sigdat`);
if($lcount>$MAXLINES)
if($lcount>$MAXLINES+10)
{
$rc=`tail -n$MAXLINES $filename > $filename.tmp`;
$rc=`mv $filename.tmp $filename`;
$rc=`tail -n$MAXLINES $tmpdir/$sigdat > $tmpdir/$sigdat.tmp`;
$rc=`mv $tmpdir/$sigdat.tmp $tmpdir/$sigdat`;
}
}