package HotSaNICmod::OSdep;

use RRDs;

sub version {
	($VERSION = '$Revision: 1.0 $') =~ s/.*(\d+\.\d+).*/$1/;
	my $platform;
	foreach (keys(%INC)) { $platform=$_ if $_ =~ /platform/; }
	return "$platform $VERSION";
}

sub sample {

#uncomment this for debug output to temp.txt
#all print will be done into the file
#$temp = "/opt/HotSaNIC/modules/iwconf/temp.txt";
#open (TEMPFILE,">$temp");
#open (STDERR,">&TEMPFILE")  || die ("open STDERR failed");
#open (STDOUT,">&TEMPFILE")  || die ("open STDOUT failed");


	my %args=@_;

	$mtime=(stat("rrd"))[9];
	$now=time;

	utime $now,$now,"rrd";

	$IWCONF = $args{IWCONFIG};
	$IWLIST = $args{IWLIST};
	$hostap = $args{HOSTAP};


	my @IFACES=();
	my @IFMACS=();

	foreach (keys(%args)) {
		if (index($_,"IFACE:") >=0 ) {
			(undef,$device)=split /:/;
			push @IFACES,$device;
		}
	}
	foreach (keys(%args)) {
		if (index($_,"MAC,") >=0 ) {
			(undef,$dev,$mac)=split /,/;
			push @IFMACS,"$dev,$mac";
		}
	}

	foreach $device (@IFACES) {
		my $rate = 0;
		my $quality = 0;
		my $signal = 0;
		my $noise = 0;
		my $mode = 0;

		$command = "$IWCONF $device";
		open (FILE,"$command|");
		while(<FILE>) {
			$var=$_;
			if ($var =~ /^.*Rate[=|:]+(.*)M.*/) {
				$rate = $1;
			} elsif ($var =~ /^.*Quality[=|:]+(.*)\/.*[=|:](.*)\sdBm.*[=|:](.*)\sdBm.*/) {
				$quality = $1;
				$signal = $2;
				$noise = $3;
				last;
			} elsif ($var =~ /^.*Mode[=|:]+(.*)  Fre.*/ ) {
				$mode=$1;
			}
		}
		close(FILE);
		$rate=$rate*1;

		if ( $mode eq "Managed" ) {
			if ( ! -e "rrd/$device.rrd" ) { system("./makerrd","$device","U") }
			RRDs::update "rrd/$device.rrd",time.":".$rate.":".$quality.":".$signal.":".$noise;
			if ($ERROR = RRDs::error) { print time," ",$MODNAME,": unable to update `$device.rrd': $ERROR"; }
		}

		if ( $mode eq "Ad-Hoc" ) {
			if ( ! -e "rrd/$device.rrd" ) { system("./makerrd","$device","U") }
			RRDs::update "rrd/$device.rrd",time.":".$rate.":".$quality.":".$signal.":".$noise;
			if ($ERROR = RRDs::error) { print time," ",$MODNAME,": unable to update `$device.rrd': $ERROR"; }
		}

#print "$device\n";

		if (( $mode eq "Master" ) && ( $device =~ /ath(.*)/ )) {
				$IFMACSNR[0]=10;
				$IFMACSNR[1]=1;
			$clients = 0;
			#getting all clients into variable
			$command = "/usr/local/bin/wlanconfig $device list sta | grep ^0";
			#processing all clients to get mac and signal
			open (FILE,"$command|");
			while(<FILE>) {
			    $var=$_;
			    @macline=split(" ",$var);
#print "tu som @macline \n";
			    $clients = $clients + 10;
			    
			    $mac = shift(@macline);
			    $signal = shift(@macline);
			    $signal = shift(@macline);
			    $signal = shift(@macline);
			    $signal = shift(@macline);
#print "mac adresa : $mac ma signal $signal\n";
#print "mac adresy : @IFMACS\n";
			    $nummac = 0;
			    foreach $ifmac (@IFMACS) {
			    ($ifmaci,$ifmacm)=split(/,/,$ifmac);
				if ($ifmaci eq $device ) {
				    if ($ifmacm eq $mac) {
#print "$ifmaci $ifmacm $ifmac\n";
					$IFMACSNR[$nummac]=$signal;
				    }
				    $nummac = $nummac + 1;
				} # if
			    } # foreach
			} # while 
			close(FILE);

			if ($IFMACSNR[0] eq "") {
				$IFMACSNR[0]=1;
			}
			if ($IFMACSNR[1] eq "") {
				$IFMACSNR[1]=2;
			}
#print "@IFMACSNR\n";
                        if ( ! -e "rrd/$device.rrd" ) { system("./makerrd","$device","U") }
                        RRDs::update "rrd/$device.rrd",time.":".$rate.":".$clients.":".$IFMACSNR[0].":".$IFMACSNR[1];
                        if ($ERROR = RRDs::error) { print time," ",$MODNAME,": unable to update `$device.rrd': $ERROR"; }
                } # if

                if (( $mode eq "Master" )  && ( $device =~ /wlan(.*)/ )) {
			@clients = glob( "/proc/net/hostap/$device/00*" );
			$clients = @clients;
			$clients = $clients*10;
			$signal=0;
			$noise=0;
			@IFMACSNR=();
			foreach $ifmac (@IFMACS)
			{
				($ifmaci,$ifmacm)=split(/,/,$ifmac);
				if ($ifmaci eq $device ) {
					$iwmsnr=0;
					if ( -r "/proc/net/hostap/$ifmaci/$ifmacm" )
					{
						open (FILE,"/proc/net/hostap/$ifmaci/$ifmacm");
						while(<FILE>)
						{
							$var=$_;
							if ($var =~ /^.*silence=+(.*) dBm.*signal=+(.*) dBm.*rate=.*/)
							{
								($iwmsilence,undef)=split(/ /,$1);
								($iwmsignal,undef)=split(/ /,$2);
								$iwmsnr=$iwmsignal-$iwmsilence;
								last;
							}
						}
						close(FILE);
					}
					push @IFMACSNR,$iwmsnr;
				}
			}
			push @IFMACSNR,15;
			push @IFMACSNR,25;
			if ($IFMACSNR[0] eq "") {
				$IFMACSNR[0]=11;
			}
			if ($IFMACSNR[1] eq "") {
				$IFMACSNR[1]=22;
			}

			if ( ! -e "rrd/$device.rrd" ) { system("./makerrd","$device","U") }
			RRDs::update "rrd/$device.rrd",time.":".$rate.":".$clients.":".$IFMACSNR[0].":".$IFMACSNR[1];
			if ($ERROR = RRDs::error) { dupe_control("warn",$ARGS{"MODNAME"},"unable to update `$device.rrd': $ERROR"); }
		}
	}
#	close (TEMPFILE);
#	close (STDERR);
#	close (STDOUT);
}
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