#-----------------------------------------------------------------------------
# Ops_MatchMacs.dsi
#
#  Takes any number of MAC addresses and attempts to find a matching comment
#  in the "ethernetMACs.txt" file.
#-----------------------------------------------------------------------------

@include "Ops_GenericFunctions.dsi";

sub _MatchMac(IN string $macs, OUT string %macTypes)
{

	string $dataPath;
	if (!Ops_GetDataPath($dataPath))
	{
		echo("Failed to get data directory", ERROR);
		return false;
	}
	string $lines;

    @echo off;
    @record on;
    if (! ReadFile("$dataPath/ethernetMACs.txt", $lines)) {
	echo "* MatchMac: Error reading MAC listing file";
	return false;
    }

    int $numLines = sizeof($lines);
    if ($numLines == 0) {
	echo "* MatchMac: No matching lines in MAC listing file";
	return false;
    }

   for (int $i=0; $i < sizeof($lines); $i++) {
	string $line;
	$line = $lines[$i];

	string $addrs;
	RegExSplit(":", $line, 0, $addrs);
	if (sizeof($addrs) > 2) {
	    # good line
          for (int $j=0; $j < sizeof($macs); $j++) {
	      string $mac;
		$mac = $macs[$j];
		string $macParts;
		RegExSplit("-", $mac, 0, $macParts);
		if ((sizeof($macParts) == 6) &&
		    ($macParts[0] == $addrs[0]) &&
		    ($macParts[1] == $addrs[1])) {
			string $last;
			RegExSplit("     ", $addrs[2], 0, $last);
			if ((sizeof($last) > 1) && ($last[0] == $macParts[2])) {
			    # we have a match
			    %macTypes{'$mac'} = $last[1];
			}
		}
	    }
	}
    }

    return true;

}	/* end _MatchMac */