#! /usr/bin/perl
# IBM(c) 2016 EPL license http://www.eclipse.org/legal/epl-v10.html
BEGIN { $::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : -d '/opt/xcat' ? '/opt/xcat' : '/usr'; }

use lib "$::XCATROOT/probe/lib/perl";
use Cwd 'abs_path';
use Cwd;
use File::Basename;
use File::Path;
use probe_utils;
use Getopt::Long qw(:config no_ignore_case);

my $proname = basename("$0");
my $currdir = dirname(abs_path($0));
my $output  = "stdout";

$::USAGE = "Usage:
    $proname -h
    $proname  <noderange> [-c] [-V]

Description:
    To retrieve MAC address mapping for the specified switch, or all the switches defined in switches table in xCAT db.
    Currently, this command does not support hierarchy.

Options:
    -c: Check if the switch is OK to retrieve MAC address mapping.
    -V: Output verbose information when accessing the switch
";

my $help;
my $test;
my $check;
my @nodes   = ();
my $verbose = '';
if (!GetOptions("help|h" => \$help,
        "T" => \$test,
        "c" => \$check,
        "V" => \$verbose)) {
    probe_utils->send_msg("$output", "f", "Option not supported");
    probe_utils->send_msg("$output", "d", $::USAGE);
    exit 1;
}
foreach (@ARGV) {
    if (/^-\w*/) {
        probe_utils->send_msg("$output", "f", "Option $_ not supported");
        exit 1;
    } else {
        push @nodes, $_;
    }
}
if ($help) {
    probe_utils->send_msg("$output", "d", $::USAGE);
    exit 0;
}

if ($test) {
    `$currdir/bin/switchprobe -h`;
    if ($?) {
        probe_utils->send_msg("$output", "f", "No 'switchprobe' tool is available at $currdir/bin/");
        exit 1;
    } else {
        probe_utils->send_msg("$output", "o", "To retrieve MAC address mapping for the specified switch, or all the switches defined in 'switches' table in xCAT db. Currently, this command does not support hierarchy.");
        exit 0;
    }
}
if ($verbose) {
    $verbose = "-V";
}
my $noderange   = join(',', @nodes);
my $normal_file = "/tmp/result_normal";
my $error_file  = "/tmp/result_error";
if (-f $normal_file) {
    unlink($normal_file);
}
if (-f $error_file) {
    unlink($error_file);
}
if ($check) {
`$currdir/bin/switchprobe $noderange -c $verbose >$normal_file 2>$error_file`;
}
else {
    `$currdir/bin/switchprobe $noderange $verbose >$normal_file 2>$error_file`;
}
if (-f $error_file) {
    `cat $error_file >> $normal_file`;
}
my $fd;
open($fd, "<", "$normal_file");
my @fails = ();
my @error_nodes = ();
# There is 2 kinds of error message:
# 1. Error: The nodetype is not 'switch' for nodes: switch1
#    Error: No switch configuration info find for switch-10-5-23-1
# 2. switch-10-5-23-1: Error: Timeout
foreach (<$fd>) {
    chomp($_);
    if (/Error:/) {
        if (/^(\S*):\s*Error:\s*(.*)/) {
            push @fails, "$1 - $2";
        } elsif (/^Error:\s*The nodetype is not 'switch' for nodes: (.+)/) {
            push @error_nodes, "$1";
        } elsif (/^Error:\s*(.*)/) {
            push @fails, $1;
        } else {
            push @fails, $_;
        }
    }
    elsif (/^(\S*):\s*PASS/) {
        probe_utils->send_msg("$output", "o", "$1");
    }
    else {
        probe_utils->send_msg("$output", "d", $_);
    }
}
close($fd);
my $rc = 0;
if (-f $normal_file) {
    unlink($normal_file);
}
if (-f $error_file) {
    unlink($error_file);
}
if (@error_nodes) {
    my $error_node = join(",", @error_nodes);
    probe_utils->send_msg("$output", "d", "[$error_node] : Error, switch-macmap can only be run against xCAT objects that have 'nodetype=switch'");
    $rc = 1;
}
foreach (@fails) {
    probe_utils->send_msg("$output", "f", "$_");
    $rc = 1;
}
exit $rc;