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##########################################################################
# rbldstats - A script to query rbld and print out statistics
# Copyright 2006, Bluehost, Inc.
#
# Authors and Contributers:
#
# Spencer Candland  <spencer@bluehost.com>
# Erick Cantwell    <erick@bluehost.com>
#
# http://www.bluehost.com
# https://github.com/bluehost/rbld
#
##########################################################################
#
# This file is part of rbld
#
# Rbld 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307, USA.
#
##########################################################################

use strict;
use warnings;

use IO::Socket;
use IO::Select;
use Data::Dumper;
use YAML::Syck qw(LoadFile);;
use Getopt::Long;

my $config_file = '/etc/rbld.conf';
my $socket_path;
my $settings;

# Get cli options
GetOptions (
    'c|config=s'    => \$config_file,
    's|socket=s'    => \$socket_path,
    'h|help'        => \&help,
) || &help;

$Data::Dumper::Indent = 1;
$Data::Dumper::Useqq = 1;

sub main {
    if ($socket_path) {
        $settings->{sock_path} = $socket_path;
    } else {
        $settings = LoadFile($config_file);
    }

    unless ($settings->{sock_path}) {
        print STDERR "No socket path available to query.  Aborting...\n";
        exit 1;
    }

    my ($msg, $data, $buffer, $sock);
    $msg = "STATS\n";

    $sock = IO::Socket::UNIX->new($settings->{sock_path}) or die "Socket: $!\n";

    eval {
      syswrite($sock, $msg, length($msg));

      $data = '';
      $data .= $buffer while sysread($sock, $buffer, 8192);

      $sock->shutdown(2);
    };
    if ($@) {
      print $@;
    }
    print "RECV> $data\n";
}

main();

sub help {
  print <<EOF;

$0: Use this script to show RBLD stats

usage:
        -c|--config     Path to rbld configuration file to load socket path (default is /etc/rbld.conf)
        -s|--socket     Alternatively, you can specify the socket path directly
        -h|--help       Help
EOF
  exit;
}