#!/usr/bin/env perl
use warnings;
use strict;  

# Description: Gets PCI information on Unix systems if lspci installed

our $VERSION = '1.2';

# pci information for sysinfo client
# Author: R. W. Rodolico
# Date:   2016-04-08

# gets information on pci information assuming lspci is installed
# I really don't remember how I wrote this originally, so I just put everything
# into the hash (as done in v2), then print the hash. Unneccessarily wasteful of memory

BEGIN {
   push @INC, shift;
}

use library;

my $command = &validCommandOnSystem('pciconf');

exit 1 unless $command;
exit 1 unless &getOperatingSystem() =~ m/bsd/i;


my $CATEGORY = 'pci';

my @pciInfo =  qx($command -lv);

my %returnValue;

chomp @pciInfo;
my $slot = '';
while ( my $line = shift( @pciInfo ) ) {
   if ( $line =~ m/^([^@]+)\@([^ ]+)\s+class=([^ ]+)\s+card=([^ ]+)\s+chip=([^ ]+)\s+rev=([^ ]+)\s+hdr=(.+)$/ ) {
      $slot = $2;
      $returnValue{$slot}{'driver'} = $1;
      $returnValue{$slot}{'class'} = $3;
      $returnValue{$slot}{'card'} = $4;
      $returnValue{$slot}{'chip'} = $5;
      $returnValue{$slot}{'revision'} = $6;
      $returnValue{$slot}{'header'} = $7;
   } else {
      my ($key, $value ) = split( '=', $line );
      $returnValue{$slot}{&cleanUp( ' ', $key )} = &cleanUp( ' ', $value );
   }
}


foreach my $key ( sort keys %returnValue ) {
   my $temp = $returnValue{$key};
   foreach my $info ( keys %$temp ) {
      print "$CATEGORY\t$key\t$info\t" . $$temp{$info} . "\n";
   }
}