# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html

package xCAT_plugin::lsslp;
use lib "/opt/xcat/lib/perl";
use strict;
use Getopt::Long;
use Socket;
use xCAT::Usage;
use POSIX "WNOHANG";
use Storable qw(freeze thaw);
use Time::HiRes qw(gettimeofday);
use xCAT::SvrUtils qw/sendmsg/;
use IO::Select;
use XML::Simple;
$XML::Simple::PREFERRED_PARSER = 'XML::Parser';
use xCAT::PPCdb;
use xCAT::NodeRange;
use xCAT::Utils;
use xCAT::MacMap;
use xCAT::IMMUtils;
use xCAT_plugin::blade;
use xCAT::SLP;
require xCAT::data::ibmhwtypes;


my $mpahash;
my $defaultbladeuser;
my $defaultbladepass;
my $currentbladepass;
my $currentbladeuser;
my %nodebymp;
my $macmap;
my %chassisbyuuid;
my %flexchassisuuid;
my %flexchassismap;
my %passwordmap;
my %doneaddrs;
my %btresult;
my $option_s;

#######################################
# Constants
#######################################
use constant {
    HARDWARE_SERVICE => "service:management-hardware.IBM",
    SOFTWARE_SERVICE => "service:management-software.IBM",
    WILDCARD_SERVICE => "service:management-*",
    SERVICE_FSP      => "cec-service-processor",
    SERVICE_BPA      => "bulk-power-controller",
    SERVICE_CEC      => "cec-service-processor",
    SERVICE_FRAME    => "bulk-power-controller",
    SERVICE_HMC      => "hardware-management-console",
    SERVICE_IVM      => "integrated-virtualization-manager",
    SERVICE_MM       => "management-module",
    SERVICE_CMM      => "chassis-management-module",
    SERVICE_IMM2     => "integrated-management-module2",
    SERVICE_RSA      => "remote-supervisor-adapter",
    SERVICE_RSA2     => "remote-supervisor-adapter-2",

    #SLP_CONF         => "/usr/local/etc/slp.conf",
    #SLPTOOL          => "/usr/local/bin/slptool",
    TYPE_MM      => "mm",
    TYPE_CMM     => "cmm",
    TYPE_IMM2    => "imm2",
    TYPE_RSA     => "rsa",
    TYPE_BPA     => "bpa",
    TYPE_HMC     => "hmc",
    TYPE_IVM     => "ivm",
    TYPE_FSP     => "fsp",
    TYPE_CEC     => "cec",
    TYPE_FRAME   => "frame",
    IP_ADDRESSES => 4,
    TEXT         => 0,
    FORMAT       => 1,
    SUCCESS      => 0,
    RC_ERROR     => 1,
};

#######################################
# Globals
#######################################
my %service_slp = (
    @{ [SERVICE_FSP] }   => TYPE_FSP,
    @{ [SERVICE_BPA] }   => TYPE_BPA,
    @{ [SERVICE_CEC] }   => TYPE_CEC,
    @{ [SERVICE_FRAME] } => TYPE_FRAME,
    @{ [SERVICE_HMC] }   => TYPE_HMC,
    @{ [SERVICE_IVM] }   => TYPE_IVM,
    @{ [SERVICE_MM] }    => TYPE_MM,
    @{ [SERVICE_CMM] }   => TYPE_CMM,
    @{ [SERVICE_IMM2] }  => TYPE_IMM2,
    @{ [SERVICE_RSA] }   => TYPE_RSA,
    @{ [SERVICE_RSA2] }  => TYPE_RSA
);

#######################################
# SLP display header
#######################################
my @header = (
    [ "device",        "%-8s" ],
    [ "type-model",    "%-12s" ],
    [ "serial-number", "%-15s" ],
    [ "side",          "%-6s" ],
    [ "ip-addresses",  "placeholder" ],
    [ "hostname",      "%s" ]
);
my %headertoattr = (
    "device"        => "type",
    "type-model"    => "mtm",
    "serial-number" => "serial",
    "side"          => "side",
    "ip-addresses"  => "ip",
    "hostname"      => "hostname",
);

#######################################
# Invalid IP address list
#######################################
my @invalidiplist = (
    "192.168.2.144",
    "192.168.2.145",
    "192.168.2.146",
    "192.168.2.147",
    "192.168.2.148",
    "192.168.2.149",
    "192.168.3.144",
    "192.168.3.145",
    "192.168.3.146",
    "192.168.3.147",
    "192.168.3.148",
    "192.168.3.149",
    "169.254.",
    "127.0.0.0",
    "127",
    0,
);

#######################################
# Power methods
#######################################


my %globalopt;

#these globals are only used in mn
my %ip_addr = ();



#my $macmap;
my @filternodes;
my $TRACE       = 0;
my $DEBUG_MATCH = 0;

my %globalhwtype = (
    fsp   => $::NODETYPE_FSP,
    bpa   => $::NODETYPE_BPA,
    lpar  => $::NODETYPE_LPAR,
    hmc   => $::NODETYPE_HMC,
    ivm   => $::NODETYPE_IVM,
    frame => $::NODETYPE_FRAME,
    cec   => $::NODETYPE_CEC,
    cmm   => $::NODETYPE_CMM,
    imm2  => $::NODETYPE_IMM2,
    pbmc  => "pbmc",
);
my %globalnodetype = (
    fsp   => $::NODETYPE_PPC,
    bpa   => $::NODETYPE_PPC,
    cec   => $::NODETYPE_PPC,
    frame => $::NODETYPE_PPC,
    hmc   => $::NODETYPE_PPC,
    ivm   => $::NODETYPE_PPC,
    cmm   => $::NODETYPE_MP,
    lpar  => "$::NODETYPE_PPC,$::NODETYPE_OSI",
    pbmc  => $::NODETYPE_MP,
);
my %globalmgt = (
    fsp   => "fsp",
    bpa   => "bpa",
    cec   => "fsp",
    frame => "bpa",
    mm    => "blade",
    ivm   => "ivm",
    rsa   => "blade",
    cmm   => "blade",
    imm2  => "blade",
    hmc   => "hmc",
    pbmc  => "ipmi",
);
my %globalid = (
    fsp   => "cid",
    cec   => "cid",
    bpa   => "fid",
    frame => "fid"
);
##########################################################################
# Command handler method from tables
##########################################################################
sub handled_commands {

    return ({ lsslp => "lsslp" });
}

##########################################################################
# Invokes the callback with the specified message
##########################################################################
sub send_msg {

    my $request = shift;
    my $ecode   = shift;
    my $msg     = shift;
    my %output;

    #################################################
    # Called from child process - send to parent
    #################################################
    if (exists($request->{pipe})) {
        my $out = $request->{pipe};

        $output{errorcode} = $ecode;
        $output{data}      = \@_;
        print $out freeze([ \%output ]);
        print $out "\nENDOFFREEZE6sK4ci\n";
    }
    #################################################
    # Called from parent - invoke callback directly
    #################################################
    elsif (exists($request->{callback})) {
        my $callback = $request->{callback};
        $output{errorcode} = $ecode;
        $output{data}      = $msg;
        $callback->(\%output);
    }
}


##########################################################################
# Parse the command line options and operands
##########################################################################
sub parse_args {

    my $request = shift;
    my $args    = $request->{arg};
    my $cmd     = $request->{command};
    my %opt;
    my %services = (
        HMC   => SOFTWARE_SERVICE . ":" . SERVICE_HMC . ":",
        IVM   => SOFTWARE_SERVICE . ":" . SERVICE_IVM . ":",
        BPA   => HARDWARE_SERVICE . ":" . SERVICE_BPA,
        FSP   => HARDWARE_SERVICE . ":" . SERVICE_FSP,
        CEC   => HARDWARE_SERVICE . ":" . SERVICE_CEC,
        FRAME => HARDWARE_SERVICE . ":" . SERVICE_FRAME,
        RSA   => HARDWARE_SERVICE . ":" . SERVICE_RSA . ":",
        CMM   => HARDWARE_SERVICE . ":" . SERVICE_CMM,
        IMM2  => HARDWARE_SERVICE . ":" . SERVICE_IMM2,
        MM    => HARDWARE_SERVICE . ":" . SERVICE_MM . ":",
        PBMC  => HARDWARE_SERVICE . ":" . SERVICE_FSP
    );
    #############################################
    # Responds with usage statement
    #############################################
    local *usage = sub {
        my $usage_string = xCAT::Usage->getUsage($cmd);
        return ([ $_[0], $usage_string ]);
    };
    #############################################
    # No command-line arguments - use defaults
    #############################################
    if (!defined($args)) {
        return (0);
    }
    #############################################
    # Checks case in GetOptions, allows opts
    # to be grouped (e.g. -vx), and terminates
    # at the first unrecognized option.
    #############################################
    @ARGV                     = @$args;
    $Getopt::Long::ignorecase = 0;
    Getopt::Long::Configure("bundling");

    #############################################
    # Process command-line flags
    #############################################
    if (!GetOptions(\%opt,
            qw(h|help V|Verbose v|version i=s x z w r s=s e=s t=s m c n C=s T=s I u range=s flexdiscover updatehosts vpdtable))) {
        return (usage());
    }

    #############################################
    # Check for node range
    #############################################
    if (scalar(@ARGV) == 1) {
        my @nodes = xCAT::NodeRange::noderange(@ARGV);
        foreach (@nodes) {
            push @filternodes, $_;
        }
        unless (@filternodes) {
            return (usage("Invalid Argument: $ARGV[0]"));
        }
    } elsif (scalar(@ARGV) > 1) {
        return (usage("Invalid flag, please check and retry."));
    }

    #############################################
    # Option -V for verbose output
    #############################################
    if (exists($opt{V})) {
        $globalopt{verbose} = 1;
    }

    #############################################
    # Check for mutually-exclusive formatting
    #############################################
    if ((exists($opt{r}) + exists($opt{x}) + exists($opt{z}) + exists($opt{vpdtable})) > 1) {
        return (usage());
    }
    #############################################
    # Command tries
    #############################################
    if (exists($opt{t})) {
        $globalopt{maxtries} = $opt{t};

        if ($globalopt{maxtries} !~ /^\d+$/) {
            return (usage("Invalid command tries (1-9)"));
        }
    }

    #############################################
    # Check for unsupported service type
    #############################################
    if (exists($opt{s})) {
        if (!exists($services{ $opt{s} })) {
            return (usage("Invalid service: $opt{s}"));
        }
        $option_s = $opt{s};
        $globalopt{service} = $services{ $opt{s} };
    }
    #############################################
    # Check the validation of -T option
    #############################################
    if (exists($opt{T})) {
        $globalopt{T} = $opt{T};
        if ($globalopt{T} !~ /^\d+$/) {
            return (usage("Invalid timeout value, should be number"));
        }

        #if (!exists( $opt{C} )) {
        #    return ( usage( "-T should be used with -C" ));
        #}
    }

    #############################################
    # Check the validation of -C option
    #############################################
    if (exists($opt{C})) {
        $globalopt{C} = $opt{C};

        if ($globalopt{C} !~ /^\d+$/) {
            return (usage("Invalid expect entries, should be number"));
        }
        if (!exists($opt{i})) {
            return (usage("-C should be used with -i"));
        }
    }

    #############################################
    # Check the validation of -i option
    #############################################
    if (exists($opt{i})) {
        foreach (split /,/, $opt{i}) {
            my $ip = $_;
            ###################################
            # Length for IPv4 addresses
            ###################################
            my (@octets) = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
            if (scalar(@octets) != 4) {
                return (usage("Invalid IP address: $ip"));
            }
            foreach my $octet (@octets) {
                if (($octet < 0) or ($octet > 255)) {
                    return (usage("Invalid IP address: $ip"));
                }
            }
        }
        $globalopt{i} = $opt{i};
    }

    #############################################
    # write to the database
    #############################################
    if (exists($opt{w})) {
        $globalopt{w} = 1;
    }

    #############################################
    # list the raw information
    #############################################
    if (exists($opt{r})) {
        $globalopt{r} = 1;
    }

    #############################################
    # list the xml formate data
    #############################################
    if (exists($opt{x})) {
        $globalopt{x} = 1;
    }

    #############################################
    # list the stanza formate data
    #############################################
    if (exists($opt{z})) {
        $globalopt{z} = 1;
    }

    #############################################
    # match vpd table
    #############################################
    if (exists($opt{vpdtable})) {
        $globalopt{vpdtable} = 1;
    }
    #########################################################
    # only list the nodes that discovered for the first time
    #########################################################
    if (exists($opt{n})) {
        $globalopt{n} = 1;
    }
    ##############################################
    # unicast
    ##############################################
    if (exists($opt{u})) {
        $globalopt{u} = 1;
        unless (exists($opt{s}) and exists($opt{range})) {
            return (usage("-u should be used with -s and --range"));
        }
        $globalopt{range} = $opt{range};
    }
    if (exists($opt{range})) {
        unless (exists($opt{u})) {
            return (usage("range is used in unicast mode"));
        }
    }

    ##############################################
    # warn for no discovered nodes in database
    ##############################################
    if (exists($opt{I})) {
        $globalopt{I} = 1;
    }

    ##############################################
    # do slp and setup for cmm
    ##############################################
    if (exists($opt{flexdiscover})) {
        $globalopt{flexdiscover} = 1;
    }

    return (0);
}


##########################################################################
# Verbose mode (-V)
##########################################################################
sub trace {

    my $request = shift;
    my $msg     = shift;
    my $sig     = shift;

    if ($sig) {
        if ($TRACE) {
            my ($sec, $min, $hour, $mday, $mon, $yr, $wday, $yday, $dst) = localtime(time);
            my $msg = sprintf "%02d:%02d:%02d %5d %s", $hour, $min, $sec, $$, $msg;
            send_msg($request, 0, $msg);
        }
    } else {
        if ($globalopt{verbose}) {
            my ($sec, $min, $hour, $mday, $mon, $yr, $wday, $yday, $dst) = localtime(time);
            my $msg = sprintf "%02d:%02d:%02d %5d %s", $hour, $min, $sec, $$, $msg;
            send_msg($request, 0, $msg);
        }
    }
}
##########################################################################
# Forks a process to run the slp command (1 per adapter)
##########################################################################
sub fork_cmd {

    my $request = shift;

    #######################################
    # Pipe childs output back to parent
    #######################################
    my $parent;
    my $child;
    pipe $parent, $child;
    my $pid = xCAT::Utils->xfork();

    if (!defined($pid)) {
        ###################################
        # Fork error
        ###################################
        send_msg($request, 1, "Fork error: $!");
        return undef;
    }
    elsif ($pid == 0) {
        ###################################
        # Child process
        ###################################
        close($parent);
        $request->{pipe} = $child;

        invoke_dodiscover($request);
        ########################################
        # Pass result array back to parent
        ########################################
        my @results = ("FORMATDATA6sK4ci");
        my $out     = $request->{pipe};

        print $out freeze(\@results);
        print $out "\nENDOFFREEZE6sK4ci\n";
        exit(0);
    }
    else {
        ###################################
        # Parent process
        ###################################
        close($child);
        return ($parent);
    }
    return (0);
}
##########################################################################
# Run the forked command and send reply to parent
##########################################################################
sub invoke_dodiscover {

    my $request = shift;

    ########################################
    # SLP command
    ########################################
    my $services;
    my $maxt;
    if ($globalopt{service}) {
        $services = $globalopt{service};
    } else {
        $services = [ WILDCARD_SERVICE, HARDWARE_SERVICE, SOFTWARE_SERVICE, SERVICE_IMM2 ];
    }

    #efix for hmc bug
    if ($services =~ /hardware-management-console/) {
        $services = [SOFTWARE_SERVICE];
    }

    if ($globalopt{maxtries}) {
        $maxt = $globalopt{maxtries};
    } else {
        $maxt = 0;
    }


    my %arg;
    if ($globalopt{flexdiscover}) { #we do two SLP passes, one to hopefully catch the less numerous management modules reliably, a separate one to best-effort catch imms
        $arg{SrvTypes} = [qw/service:management-hardware.IBM:chassis-management-module service:management-hardware.IBM:management-module/];
        my ($searchmacsref, $sendcount, $rsp) = xCAT::SLP::dodiscover(SrvTypes => $arg{SrvTypes}, Callback => \&bt_handle_new_slp_entity);
        $arg{SrvTypes} = [qw/service:management-hardware.IBM:integrated-management-module2/];
        my ($newsearchmacsref, $newsendcount, $newrsp) = xCAT::SLP::dodiscover(SrvTypes => $arg{SrvTypes}, Callback => \&bt_handle_new_slp_entity);
        foreach (keys %$newsearchmacsref) {
            $searchmacsref->{$_} = $newsearchmacsref->{$_};
        }
        $sendcount += $newsendcount;
        $rsp       += $newrsp;
        return ($searchmacsref, $sendcount, $rsp);
    }
    $arg{SrvTypes} = $services;

    #$arg{Callback} = \&handle_new_slp_entity;
    $arg{Ip}          = $globalopt{i} if ($globalopt{i});
    $arg{Retry}       = $maxt;
    $arg{Count}       = $globalopt{C} if ($globalopt{C});
    $arg{Time}        = $globalopt{T} if ($globalopt{T});
    $arg{nomsg}       = 1 if ($globalopt{z} or $globalopt{x});
    $arg{reqcallback} = $request->{callback} if ($request->{callback});
    if ($globalopt{u}) {
        $arg{unicast} = 1;
        $arg{range}   = $globalopt{range};
    }
    my ($searchmacsref, $sendcount, $rsp) = xCAT::SLP::dodiscover(%arg);


    #########################################
    ## Need to check if the result is enough
    #########################################
    #if ( $request->{C} != 0) {
    #    send_msg( $request, 0, "\n Begin to try again, this may takes long time \n" );
    #    my %val_tmp = %$values;
    #    my %found_cec;
    #    for my $v (keys %val_tmp) {
    #        $v =~ /type=([^\)]+)\)\,\(serial-number=([^\)]+)\)\,\(machinetype-model=([^\)]+)\)\,/;
    #        if ( $found_cec{$2.'*'.$3} ne 1 and $1  eq SERVICE_FSP)  {
    #            $found_cec{$2.'*'.$3} = 1;
    #        }
    #    }
    #
    #    my $rlt;
    #    my $val;
    #    my $start_time = Time::HiRes::gettimeofday();
    #    my $elapse;
    #    my $found = scalar(keys %found_cec);
    #    while ( $found < $globalopt{C} ) {
    #        $rlt = xCAT::SLP::dodiscover(SrvTypes=>$services,Callback=>sub { print Dumper(@_) });
    #        $val =  @$rlt[1];
    #        for my $v (keys %$val) {
    #            $v =~ /type=([^\)]+)\)\,\(serial-number=([^\)]+)\)\,\(machinetype-model=([^\)]+)\)\,/;
    #            if ( $found_cec{$2.'*'.$3} ne 1 and $1  eq SERVICE_FSP)  {
    #                $found_cec{$2.'*'.$3} = 1;
    #                $val_tmp{$v} = 1;
    #            }
    #        }
    #        $found = scalar(keys %val_tmp);
    #        $elapse = Time::HiRes::gettimeofday() - $start_time;
    #        if ( $elapse > $globalopt{time_out} ) {
    #            send_msg( $request, 0, "Time out, Force return.\n" );
    #            last;
    #        }
    #    }
    #    send_msg( $request, 0, "Discovered $found nodes \n" );
    #    $values = \%val_tmp;
    #}

    return ($searchmacsref, $sendcount, $rsp);
}


##########################################################################
# Formats slp responses
##########################################################################
sub format_output {

    my $request       = shift;
    my $searchmacsref = shift;
    my %searchmacs    = %$searchmacsref;
    my $length        = length($header[IP_ADDRESSES][TEXT]);
    my $result;

    ###########################################
    # No responses
    ###########################################
    if (keys %searchmacs == 0) {
        send_msg($request, 0, "No responses");
        return;
    }

    ###########################################
    # Check -C -T
    ###########################################
    if ($globalopt{C}) {
        if (scalar(keys %searchmacs) ne $globalopt{C}) {
            send_msg($request, 0, "Timeout...Fource to return");
        }
    }
    ###########################################
    # Read table to get exists data
    ###########################################
    unless ($globalopt{service} =~ /hardware-management-console/) {
        my $errcode = read_from_table();
        if ($errcode) {
            send_msg($request, 0, "Can't open $errcode table");
            return;
        }
    }
    ###########################################
    # Parse responses and add to hash
    ###########################################
    my $outhash = parse_responses($request, \$length, $searchmacsref);

    #hmc bug efix
    #my $newouthash;
    #if ($globalopt{service} =~ /hardware-management-console/) {
    #    for my $en ( keys %$outhash ) {
    #	    if (${$outhash->{$en}}{type} eq 'hmc') {
    #		    $newouthash->{$en} = $outhash->{$en};
    #		}
    #	}
    #    $outhash =  $newouthash;
    #}

    ###########################################
    # filter the result in the same vlan
    ###########################################
    if (exists($globalopt{i})) {
        my $outhash1 = filtersamevlan($outhash);
        $outhash = $outhash1;
    }

    # filter the result and keep the specified nodes
    ###########################################
    if (scalar(@filternodes)) {
        my $outhash1 = filter($outhash);
        $outhash = $outhash1;
    }

    ###########################################
    # -w flag for write to xCat database
    ###########################################
    if ($globalopt{w}) {
        send_msg($request, 0, "Begin to write into Database, this may change node name");
        xCATdB($outhash);
    }



    ###########################################
    # -r flag for raw response format
    ###########################################
    my %rawhash;
    if ($globalopt{r}) {
        foreach (keys %$outhash) {
            my $raw = ${ $outhash->{$_} }{url};
            $rawhash{$raw} = 1;
        }
        foreach my $en (keys %rawhash) {
            if ($en =~ /(\(type.*\))/) {
                $result .= "$1\n";
            }
        }

        send_msg($request, 0, $result);
        return;
    }
    ###########################################
    # -x flag for xml format
    ###########################################
    if ($globalopt{x}) {
        send_msg($request, 0, format_xml($outhash));
        return;
    }
    ###########################################
    # -z flag for stanza format
    ###########################################
    if ($globalopt{z}) {
        send_msg($request, 0, format_stanza($outhash));
        return;
    }

    ###########################################
    # -T flag for vpd table format
    ###########################################
    if ($globalopt{vpdtable}) {
        send_msg($request, 0, format_table($outhash));
        return;
    }

    ###########################################
    # Get longest IP for formatting purposes
    ###########################################
    my $format = sprintf "%%-%ds", ($length + 2);
    $header[IP_ADDRESSES][FORMAT] = $format;

    ###########################################
    # Display header
    ###########################################
    foreach (@header) {
        $result .= sprintf @$_[1], @$_[0];
    }
    $result .= "\n";

    ###########################################
    # Display response attributes
    ###########################################
    foreach my $nameentry (sort keys %$outhash) {
        my $hostname = ${ $outhash->{$nameentry} }{hostname};

        foreach (@header) {
            my $attr = $headertoattr{ @$_[0] };
            $result .= sprintf @$_[1], ${ $outhash->{$nameentry} }{$attr};

        }
        $result .= "\n";
    }
    send_msg($request, 0, $result);
}

##########################################################################
# Read the table and cache the data that will be used frequently
##########################################################################
sub read_from_table {
    my %vpdhash;
    my @nodelist;
    my %ppchash;
    my %iphash;

    if (!(%::OLD_DATA_CACHE))
    {
        #find out all the existed nodes
        my $nodelisttab = xCAT::Table->new('nodelist');
        if ($nodelisttab) {
            my @typeentries = $nodelisttab->getAllNodeAttribs(['node']);
            for my $typeentry (@typeentries) {
                push @nodelist, $typeentry->{node};
            }
        } else {
            return "nodelist";
        }

        #find out all the existed nodes
        my $hoststab = xCAT::Table->new('hosts');
        if ($hoststab) {
            my @hostsentries = $hoststab->getAllNodeAttribs([ 'node', 'ip' ]);
            for my $hostsentry (@hostsentries) {
                $iphash{ $hostsentry->{node} } = $hostsentry->{ip};
            }
        } else {
            return "hosts";
        }

        #find out all the existed nodes' type
        my $typehashref = xCAT::DBobjUtils->getnodetype(\@nodelist);

        # find out all the existed nodes' mtms and side
        my $vpdtab = xCAT::Table->new('vpd');
        if ($vpdtab) {
            my @vpdentries = $vpdtab->getAllNodeAttribs([ 'node', 'mtm', 'serial', 'side' ]);
            for my $entry (@vpdentries) {
                @{ $vpdhash{ $entry->{node} } }[0] = $entry->{mtm};
                @{ $vpdhash{ $entry->{node} } }[1] = $entry->{serial};
                @{ $vpdhash{ $entry->{node} } }[2] = $entry->{side};
            }
        } else {
            return "vpd";
        }

        # find out all the existed nodes' attributes
        my $ppctab = xCAT::Table->new('ppc');
        if ($ppctab) {
            my @identries = $ppctab->getAllNodeAttribs([ 'node', 'id', 'parent' ]);
            for my $entry (@identries) {
                next if ($entry->{nodetype} =~ /lpar/);
                @{ $ppchash{ $entry->{node} } }[0] = $entry->{id};       #id
                @{ $ppchash{ $entry->{node} } }[1] = $entry->{parent};   #parent
            }
        } else {
            return "ppc";
        }

        foreach my $node (@nodelist) {
            my $type   = $$typehashref{$node};
            my $mtm    = @{ $vpdhash{$node} }[0];
            my $sn     = @{ $vpdhash{$node} }[1];
            my $side   = @{ $vpdhash{$node} }[2];
            my $id     = $ppchash{$node}[0];
            my $parent = $ppchash{$node}[1];
            my $pmtm   = @{ $vpdhash{$parent} }[0];
            my $psn    = @{ $vpdhash{$parent} }[1];
            my $ip     = $iphash{$node};
            if ($type =~ /frame/) {
                $::OLD_DATA_CACHE{ "frame*" . $mtm . "*" . $sn } = $node if (defined $mtm and defined $sn);
            } elsif ($type =~ /cec/) {
                $::OLD_DATA_CACHE{ "cec*" . $mtm . "*" . $sn } = $node if (defined $mtm and defined $sn);
                my $iid = int($id);
                $parent = 'Server-' . $pmtm . '-SN' . $psn;
                $::OLD_DATA_CACHE{ "cec*" . $parent . "*" . $iid } = $node if (defined $parent and defined $id);
            } elsif ($type =~ /^fsp|bpa$/) {
                $::OLD_DATA_CACHE{ $type . "*" . $mtm . "*" . $sn . "*" . $side } = $node if (defined $mtm and defined $sn);
            } elsif ($type =~ /hmc/) {
                $::OLD_DATA_CACHE{ "hmc*" . $ip } = $node if (defined $ip);
            } else {
                $::OLD_DATA_CACHE{ $type . "*" . $mtm . "*" . $sn } = $node if (defined $mtm and defined $sn);
            }
        }
    }
    return undef;
}
##########################################################################
# Makesure the ip in SLP URL is valid
# return 1 if valid, 0 if invalid
##########################################################################
sub check_ip {
    my $myip = shift;
    $myip =~ s/^(\d+)\..*/$1/;
    if ($myip >= 224 and $myip <= 239) {
        return 0;
    }
    foreach (@invalidiplist) {
        if ($myip =~ /^($_)/) {
            return 0;
        }
    }

    return 1;
}
##########################################################################
# Get hostname from SLP URL response
##########################################################################
sub get_host_from_url {

    my $request = shift;
    my $attr    = shift;
    my $vip;
    my $host;

    #######################################
    # Extract IP from URL
    #######################################
    my $nets = xCAT::NetworkUtils::my_nets();
    my $inc  = $globalopt{i};
    my @ips = (exists $attr->{'ip-address'}) ? @{ $attr->{'ip-address'} } : @{ $attr->{'ipv4-address'} };

    my @ips2 = split /,/, $inc;
    my @validip;
    if ($inc) {
        for my $net (keys %$nets) {
            my $fg = 1;
            for my $einc (@ips2) {
                if ($nets->{$net} eq $einc) {
                    $fg = 0;
                }
            }
            delete $nets->{$net} if ($fg);
        }
    }
    #######################################
    # Check if valid IP
    #######################################
    for my $tip (@ips) {
        next if ($tip =~ /:/);    #skip IPV6 addresses
        for my $net (keys %$nets) {
            my ($n, $m) = split /\//, $net;
            if (    #xCAT::NetworkUtils::isInSameSubnet($n, $tip, $m, 1) and
                xCAT::NetworkUtils::isPingable($tip) and (length(inet_aton($tip)) == 4)) {
                push @validip, $tip;
            }
        }
    }


    if (scalar(@validip) == 0) {
        trace($request, "Invalid IP address in URL");
        return undef;
    }


    #######################################
    # Get Factory Hostname
    #######################################
    if (${ $attr->{'hostname'} }[0]) {
        $host = ${ $attr->{'hostname'} }[0];

    } else {
        $host = "Server-" . ${ $attr->{'machinetype-model'} }[0] . "-SN" . ${ $attr->{'serial-number'} }[0];
        foreach my $ip (@validip) {
            my $hname = gethostbyaddr(inet_aton($ip), AF_INET);
            if ($hname) {
                $host = $hname;
                $vip  = $ip;
                last;

            }
        }
        foreach my $ip (@validip) {
            my $hoststab = xCAT::Table->new('hosts');
            my @entries = $hoststab->getAllNodeAttribs([ 'node', 'ip' ]);
            foreach my $entry (@entries) {
                if ($entry->{ip} and $entry->{ip} eq $ip) {
                    $host = $entry->{node};
                    $vip  = $ip;

                }
            }
        }
    }
    if ($host =~ /([^\.]+)\./) {
        $host = $1;
    }
    return $host;

}

##########################################################################
#
#########################################################################
sub parse_responses {

    my $request       = shift;
    my $length        = shift;
    my $searchmacsref = shift;
    my $matchflag;
    my %outhash;
    my $host;
    my @matchnode;
    my @cmmnodes;
    my %searchmacs = %$searchmacsref;

    #get networks information for defining HMC
    my %net;
    my %addr;
    my $nettab = xCAT::Table->new('networks');
    my @nets = $nettab->getAllAttribs('netname', 'net', 'mask', 'mgtifname');
    if (scalar(@nets) == 0) {
        send_msg($request, 0, "Can't get networks information from networks table");
    } else {
        foreach my $enet (@nets) {
            next if ($enet->{'net'} =~ /:/);
            $net{ $enet->{'mgtifname'} }{subnet}  = $enet->{'net'};
            $net{ $enet->{'mgtifname'} }{netmask} = $enet->{'mask'};
        }
    }
    my $netref = xCAT::NetworkUtils->get_nic_ip();
    for my $entry (keys %$netref) {
        $addr{ $netref->{$entry} }{subnet}  = $net{$entry}{subnet};
        $addr{ $netref->{$entry} }{netmask} = $net{$entry}{netmask};
    }

    trace($request, "Now lsslp begin to parse its response...");
    foreach my $rsp (keys(%searchmacs)) {
        ###########################################
        # attribute not found
        ###########################################
        if (!exists(${ $searchmacs{$rsp} }{attributes})) {
            trace($request, "Attribute not found for $rsp");
            next;
        }
        ###########################################
        # Valid service-type attribute
        ###########################################
        my $attributes = ${ $searchmacs{$rsp} }{attributes};
        my $type       = ${ $attributes->{'type'} }[0];
        if (!exists($service_slp{$type})) {
            trace($request, "Discarding unsupported type  $type");
            next;
        }


        ###########################################
        # Define nodes
        ###########################################
        my %atthash;
        if (($type eq SERVICE_RSA) or ($type eq SERVICE_RSA2) or
            ($type eq SERVICE_MM) or ($type eq SERVICE_IMM2)) {
            $atthash{type} = $service_slp{$type};
            $atthash{mtm} = ${ $attributes->{'enclosure-machinetype-model'} }[0];
            $atthash{serial} = ${ $attributes->{'enclosure-serial-number'} }[0];
            $atthash{slot}   = int(${ $attributes->{'slot'} }[0]);
            if ($type eq SERVICE_IMM2) { $atthash{ip} = ${ $attributes->{'ipv4-address'} }[0]; }
            else { $atthash{ip} = ${ $attributes->{'ip-address'} }[0]; }
            $atthash{mac} = $rsp;
            $atthash{hostname} = get_host_from_url($request, $attributes);
            $atthash{otherinterfaces} = ${ $attributes->{'ip-address'} }[0];
            $atthash{url}             = ${ $searchmacs{$rsp} }{payload};
            $outhash{ 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial} } = \%atthash;
            $$length = length($atthash{ip}) if (length($atthash{ip}) > $$length);
            trace($request, "Discover node $atthash{hostname}: type is $atthash{type}, \
			mtm is $atthash{mtm}, sn is $atthash{serial}, slot is $atthash{slot}, \
			ip is $atthash{ip}, mac is $atthash{mac}, otherinterfaces is $atthash{otherinterfaces}");

        } elsif ($type eq SERVICE_CMM) {
            $atthash{type}   = $service_slp{$type};
            $atthash{mtm}    = ${ $attributes->{'enclosure-mtm'} }[0];
            $atthash{serial} = ${ $attributes->{'enclosure-serial-number'} }[0];
            $atthash{side}   = int(${ $attributes->{'slot'} }[0]);
            $atthash{ip}     = ${ $attributes->{'ipv4-address'} }[0];
            $atthash{mac}    = $rsp;
            $atthash{mname}  = ${ $attributes->{'mm-name'} }[0];
            $atthash{url}    = ${ $searchmacs{$rsp} }{payload};
            $atthash{hostname} = get_host_from_url($request, $attributes);
            $atthash{mpa}      = $atthash{hostname};
            $atthash{otherinterfaces} = ${ $attributes->{'ipv4-address'} }[0];
            $outhash{ 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial} } = \%atthash;
            $$length = length($atthash{ip}) if (length($atthash{ip}) > $$length);

            if (exists($::OLD_DATA_CACHE{ "mp*" . $atthash{mtm} . "*" . $atthash{serial} })) {
                $atthash{hostname} = $::OLD_DATA_CACHE{ "mp*" . $atthash{mtm} . "*" . $atthash{serial} };
                push @matchnode, 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial};
            }
            push @cmmnodes, 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial};
            trace($request, "Discover node $atthash{hostname}: type is $atthash{type}, \
			mtm is $atthash{mtm}, sn is $atthash{serial}, side is $atthash{side}, \
			ip is $atthash{ip}, mac is $atthash{mac}, mname is $atthash{mname},\
			mpa is $atthash{mpa}, otherinterfaces is $atthash{otherinterfaces}");

        } elsif ($type eq SERVICE_HMC) {
            $atthash{type}     = $service_slp{$type};
            $atthash{mtm}      = ${ $attributes->{'machinetype-model'} }[0];
            $atthash{serial}   = ${ $attributes->{'serial-number'} }[0];
            $atthash{ip}       = ${ $attributes->{'ip-address'} }[0];
            $atthash{hostname} = get_host_from_url($request, $attributes);
            my @ips = @{ $attributes->{'ip-address'} };
            foreach my $tmpip (@ips) {
                if (exists($::OLD_DATA_CACHE{ "hmc*" . $tmpip })) {
                    $atthash{hostname} = $::OLD_DATA_CACHE{ "hmc*" . $tmpip };
                    push @matchnode, 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial};
                    $atthash{ip} = $tmpip;
                }
            }
            $atthash{mac}             = $rsp;
            $atthash{url}             = ${ $searchmacs{$rsp} }{payload};
            $atthash{otherinterfaces} = ${ $attributes->{'ip-address'} }[0];
            $outhash{ 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial} } = \%atthash;
            $$length = length($atthash{ip}) if (length($atthash{ip}) > $$length);
            trace($request, "Discover node $atthash{hostname}: type is $atthash{type},\
			mtm is $atthash{mtm},sn is $atthash{serial},  ip is $atthash{ip},\
			mac is $atthash{mac}, otherinterfaces is $atthash{otherinterfaces}");
        } elsif ($type eq SERVICE_IVM) {
            $atthash{type}     = $service_slp{$type};
            $atthash{mtm}      = ${ $attributes->{'machinetype-model'} }[0];
            $atthash{serial}   = ${ $attributes->{'serial-number'} }[0];
            $atthash{id}       = ${ $attributes->{'lparid'} }[0];
            $atthash{ip}       = ${ $attributes->{'ip-address'} }[0];
            $atthash{hostname} = get_host_from_url($request, $attributes);
            $atthash{hostname} =~ s/^Server/ivm/;
            my @ips = @{ $attributes->{'ip-address'} };

            foreach my $tmpip (@ips) {
                if (exists($::OLD_DATA_CACHE{ "ivm*" . $atthash{mtm} . "*" . $atthash{serial} })) {
                    $atthash{hostname} = $::OLD_DATA_CACHE{ "ivm*" . $atthash{mtm} . "*" . $atthash{serial} };
                    push @matchnode, 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial};
                    $atthash{ip} = $tmpip;
                }
            }
            $atthash{mac}             = $rsp;
            $atthash{url}             = ${ $searchmacs{$rsp} }{payload};
            $atthash{otherinterfaces} = ${ $attributes->{'ip-address'} }[0];
            $outhash{ 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial} } = \%atthash;
            $$length = length($atthash{ip}) if (length($atthash{ip}) > $$length);
            trace($request, "Discover node $atthash{hostname}: type is $atthash{type},\
			mtm is $atthash{mtm},sn is $atthash{serial},  ip is $atthash{ip},\
			mac is $atthash{mac}, otherinterfaces is $atthash{otherinterfaces}");
        } elsif (($type eq SERVICE_FSP) && ($option_s eq "PBMC")) {
            my %tmphash;
            $atthash{type}   = "pbmc";
            $atthash{mtm}    = ${ $attributes->{'machinetype-model'} }[0];
            $atthash{serial} = ${ $attributes->{'serial-number'} }[0];
            $atthash{ip}     = ${ $searchmacs{$rsp} }{peername};
            $atthash{url}    = ${ $searchmacs{$rsp} }{payload};
            $atthash{hostname} = 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial};
            if (exists($::OLD_DATA_CACHE{ "mp*" . $atthash{mtm} . "*" . $atthash{serial} })) {
                $atthash{hostname} = $::OLD_DATA_CACHE{ "mp*" . $atthash{mtm} . "*" . $atthash{serial} };
                push @matchnode, 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial};
            }
            $outhash{ 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial} } = \%atthash;

        } elsif (($type eq SERVICE_FSP) && (${ $attributes->{'machinetype-model'} }[0] =~ /^7895|1457|7954/)) {

            # Skip this entry if "-s CEC" was specified - we do not list FSP entries for Flex when only CECs were requested
            next unless ($option_s ne "CEC");

            #begin to define fsp and bpa
            my %tmphash;
            $tmphash{type}   = ($type eq SERVICE_BPA) ? TYPE_BPA : TYPE_FSP;
            $tmphash{mtm}    = ${ $attributes->{'machinetype-model'} }[0];
            $tmphash{serial} = ${ $attributes->{'serial-number'} }[0];
            $tmphash{ip}     = ${ $searchmacs{$rsp} }{peername};
            my $loc = ($tmphash{ip} =~ ${ $attributes->{'ip-address'} }[0]) ? 0 : 1; #every entry has two ip-addresses
            $tmphash{side} = (int(${ $attributes->{'slot'} }[0]) == 0) ? 'B-' . $loc : 'A-' . $loc;
            $tmphash{mac} = $rsp;
            $tmphash{parent} = 'Server-' . $tmphash{mtm} . '-SN' . $tmphash{serial};
            $tmphash{hostname}        = $tmphash{ip};
            $tmphash{url}             = ${ $searchmacs{$rsp} }{payload};
            $tmphash{otherinterfaces} = ${ $searchmacs{$rsp} }{peername};
            $tmphash{bpcmtm} = ${ $attributes->{'bpc-machinetype-model'} }[0];
            $tmphash{bpcsn}  = ${ $attributes->{'bpc-serial-number'} }[0];
            $tmphash{fid}    = int(${ $attributes->{'frame-number'} }[0]);
            $tmphash{cid}    = int(${ $attributes->{'cage-number'} }[0]);
            $outhash{ $tmphash{ip} } = \%tmphash;
            $$length = length($tmphash{ip}) if (length($tmphash{ip}) > $$length);
            trace($request, "Discover node $tmphash{hostname}:type is $tmphash{type}, mtm is $tmphash{mtm}, \
			sn is $tmphash{serial}, side is $tmphash{side},parent is $tmphash{parent},ip is $tmphash{ip}, \
			cec id is $tmphash{cid} , frame id is $tmphash{fid},mac is $tmphash{mac}, \
			otherinterfaces is $tmphash{otherinterfaces}");

            #####################################################################
            #define another side to fix the issue that the result is imcomplete
            #####################################################################
            my %tmphash1;
            $tmphash1{ip} = (${ $searchmacs{$rsp} }{peername} =~ ${ $attributes->{'ip-address'} }[0]) ? ${ $attributes->{'ip-address'} }[1] : ${ $attributes->{'ip-address'} }[0];
            unless ($outhash{ $tmphash1{ip} }) {
                my $validflag = 1;
                foreach (@invalidiplist) {
                    if ($tmphash1{ip} =~ /^($_)/) {
                        $validflag = 0;
                        last;
                    }
                }
                if ($validflag == 1) {
                    $tmphash1{type} = ($type eq SERVICE_BPA) ? TYPE_BPA : TYPE_FSP;
                    $tmphash1{mtm} = ${ $attributes->{'machinetype-model'} }[0];
                    $tmphash1{serial} = ${ $attributes->{'serial-number'} }[0];
                    my $loc = ($tmphash1{ip} =~ ${ $attributes->{'ip-address'} }[0]) ? 0 : 1; #every entry has two ip-addresses
                    $tmphash1{side} = (int(${ $attributes->{'slot'} }[0]) == 0) ? 'B-' . $loc : 'A-' . $loc;
                    $tmphash1{mac} = xCAT::SLP::get_mac_for_addr($tmphash1{ip});
                    $tmphash1{parent} = 'Server-' . $tmphash1{mtm} . '-SN' . $tmphash1{serial};
                    $tmphash1{hostname} = $tmphash1{ip};
                    $tmphash1{otherinterfaces} = ${ $searchmacs{$rsp} }{peername};
                    $tmphash1{bpcmtm} = ${ $attributes->{'bpc-machinetype-model'} }[0];
                    $tmphash1{bpcsn} = ${ $attributes->{'bpc-serial-number'} }[0];
                    $tmphash1{fid} = int(${ $attributes->{'frame-number'} }[0]);
                    $tmphash1{cid} = int(${ $attributes->{'cage-number'} }[0]);
                    $outhash{ $tmphash1{ip} } = \%tmphash1;
                    $$length = length($tmphash1{ip}) if (length($tmphash1{ip}) > $$length);
                    trace($request, "Discover another node $tmphash1{hostname}:type is $tmphash1{type}, mtm is $tmphash1{mtm}, \
			        sn is $tmphash1{serial}, side is $tmphash1{side},parent is $tmphash1{parent},ip is $tmphash1{ip}, \
			        cec id is $tmphash1{cid} , frame id is $tmphash1{fid},mac is $tmphash1{mac}, \
			        otherinterfaces is $tmphash1{otherinterfaces}");
                }
            }
        } else {

            #begin to define fsp and bpa
            my %tmphash;
            $tmphash{type}   = ($type eq SERVICE_BPA) ? TYPE_BPA : TYPE_FSP;
            $tmphash{mtm}    = ${ $attributes->{'machinetype-model'} }[0];
            $tmphash{serial} = ${ $attributes->{'serial-number'} }[0];
            $tmphash{ip}     = ${ $searchmacs{$rsp} }{peername};
            my $loc = ($tmphash{ip} =~ ${ $attributes->{'ip-address'} }[0]) ? 0 : 1; #every entry has two ip-addresses
            $tmphash{side} = (int(${ $attributes->{'slot'} }[0]) == 0) ? 'B-' . $loc : 'A-' . $loc;
            $tmphash{mac} = $rsp;
            $tmphash{parent} = 'Server-' . $tmphash{mtm} . '-SN' . $tmphash{serial};
            $tmphash{hostname}        = $tmphash{ip};
            $tmphash{otherinterfaces} = ${ $searchmacs{$rsp} }{peername};
            $tmphash{bpcmtm} = ${ $attributes->{'bpc-machinetype-model'} }[0];
            $tmphash{bpcsn}  = ${ $attributes->{'bpc-serial-number'} }[0];
            $tmphash{fid}    = int(${ $attributes->{'frame-number'} }[0]);
            $tmphash{cid}    = int(${ $attributes->{'cage-number'} }[0]);
            $outhash{ $tmphash{ip} } = \%tmphash;
            $$length = length($tmphash{ip}) if (length($tmphash{ip}) > $$length);
            trace($request, "Discover node $tmphash{hostname}:type is $tmphash{type}, mtm is $tmphash{mtm}, \
			sn is $tmphash{serial}, side is $tmphash{side},parent is $tmphash{parent},ip is $tmphash{ip}, \
			cec id is $tmphash{cid} , frame id is $tmphash{fid},mac is $tmphash{mac}, \
			otherinterfaces is $tmphash{otherinterfaces}");

            #####################################################################
            #define another side to fix the issue that the result is imcomplete
            #####################################################################
            my %tmphash1;
            $tmphash1{ip} = (${ $searchmacs{$rsp} }{peername} =~ ${ $attributes->{'ip-address'} }[0]) ? ${ $attributes->{'ip-address'} }[1] : ${ $attributes->{'ip-address'} }[0];
            unless ($outhash{ $tmphash1{ip} }) {
                my $validflag = 1;
                foreach (@invalidiplist) {
                    if ($tmphash1{ip} =~ /^($_)/) {
                        $validflag = 0;
                        last;
                    }
                }
                if ($validflag == 1) {
                    $tmphash1{type} = ($type eq SERVICE_BPA) ? TYPE_BPA : TYPE_FSP;
                    $tmphash1{mtm} = ${ $attributes->{'machinetype-model'} }[0];
                    $tmphash1{serial} = ${ $attributes->{'serial-number'} }[0];
                    my $loc = ($tmphash1{ip} =~ ${ $attributes->{'ip-address'} }[0]) ? 0 : 1; #every entry has two ip-addresses
                    $tmphash1{side} = (int(${ $attributes->{'slot'} }[0]) == 0) ? 'B-' . $loc : 'A-' . $loc;
                    $tmphash1{mac} = xCAT::SLP::get_mac_for_addr($tmphash1{ip});
                    $tmphash1{parent} = 'Server-' . $tmphash1{mtm} . '-SN' . $tmphash1{serial};
                    $tmphash1{hostname} = $tmphash1{ip};
                    $tmphash1{otherinterfaces} = ${ $searchmacs{$rsp} }{peername};
                    $tmphash1{bpcmtm} = ${ $attributes->{'bpc-machinetype-model'} }[0];
                    $tmphash1{bpcsn} = ${ $attributes->{'bpc-serial-number'} }[0];
                    $tmphash1{fid} = int(${ $attributes->{'frame-number'} }[0]);
                    $tmphash1{cid} = int(${ $attributes->{'cage-number'} }[0]);
                    $outhash{ $tmphash1{ip} } = \%tmphash1;
                    $$length = length($tmphash1{ip}) if (length($tmphash1{ip}) > $$length);
                    trace($request, "Discover another node $tmphash1{hostname}:type is $tmphash1{type}, mtm is $tmphash1{mtm}, \
			        sn is $tmphash1{serial}, side is $tmphash1{side},parent is $tmphash1{parent},ip is $tmphash1{ip}, \
			        cec id is $tmphash1{cid} , frame id is $tmphash1{fid},mac is $tmphash1{mac}, \
			        otherinterfaces is $tmphash1{otherinterfaces}");
                }
            }

            # this part of code is used to avoid two messages sent from different ports of fsp give different info. Although this hasn't showed.
            #else {
            #  ${$outhash{$tmphash1{ip}}{fid} = int(${$attributes->{'frame-number'}}[0]) if(int(${$attributes->{'frame-number'}}[0]) != 0);
            #  ${$outhash{$tmphash1{ip}}{cid} = int(${$attributes->{'cage-number'}}[0]) if(int(${$attributes->{'cage-number'}}[0]) != 0);
            #  trace( $request, "change frame id to ${$outhash{$tmphash1{ip}}{fid}, change cec id to ${$outhash{$tmphash1{ip}}{cid} \n");
            #}
            ######################################################################

            #begin to define frame and cec
            $atthash{type}   = $service_slp{$type};
            $atthash{mtm}    = ${ $attributes->{'machinetype-model'} }[0];
            $atthash{serial} = ${ $attributes->{'serial-number'} }[0];
            my $name = 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial};
            unless (exists $outhash{$name}) {
                $atthash{slot} = '';
                $atthash{ip}   = '';
                $atthash{hostname} = 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial};
                $atthash{mac} = "";
                $atthash{bpcmtm} = ${ $attributes->{'bpc-machinetype-model'} }[0];
                $atthash{bpcsn} = ${ $attributes->{'bpc-serial-number'} }[0];
                $atthash{fid}   = int(${ $attributes->{'frame-number'} }[0]);
                $atthash{cid}   = int(${ $attributes->{'cage-number'} }[0]);
                $atthash{parent} = 'Server-' . $atthash{bpcmtm} . '-SN' . $atthash{bpcsn} if ($type eq SERVICE_FSP);
                $atthash{children} = ${ $attributes->{'ip-address'} }[0] . "," . ${ $attributes->{'ip-address'} }[1];
                $atthash{url} = ${ $searchmacs{$rsp} }{payload};
                $outhash{ 'Server-' . $atthash{mtm} . '-SN' . $atthash{serial} } = \%atthash;
                trace($request, "Discover node $atthash{hostname}: type is $atthash{type},  mtm is $atthash{mtm},\
			    sn is $atthash{serial},  mac is $atthash{mac}, children is $atthash{children}, frame id is $atthash{fid}, \
			    cec id is $atthash{cid}, otherinterfaces is $atthash{otherinterfaces}, parent is $atthash{parent}");
            } else {

                #update frameid and cageid to fix the firmware mistake
                ${ $outhash{$name} }{fid} = int(${ $attributes->{'frame-number'} }[0]) if (int(${ $attributes->{'frame-number'} }[0]) != 0);
                ${ $outhash{$name} }{cid} = int(${ $attributes->{'cage-number'} }[0]) if (int(${ $attributes->{'cage-number'} }[0]) != 0);
                ${ $outhash{$name} }{bpcmtm} = ${ $attributes->{'bpc-machinetype-model'} }[0] if (int(${ $attributes->{'bpc-machinetype-model'} }[0]) != 0);
                ${ $outhash{$name} }{bpcsn} = ${ $attributes->{'bpc-serial-number'} }[0] if (int(${ $attributes->{'bpc-serial-number'} }[0]) != 0);
                $atthash{parent} = 'Server-' . ${ $outhash{$name} }{bpcmtm} . '-SN' . ${ $outhash{$name} }{bpcsn} if ($type eq SERVICE_FSP);
                $outhash{$name}{children} .= "," . ${ $attributes->{'ip-address'} }[0] . "," . ${ $attributes->{'ip-address'} }[1]; # at most save 8 ips and have redendant
                trace($request, "adjust frame id to ${$outhash{$name}}{fid}, cec id to  ${$outhash{$name}}{cid}, children to $outhash{$name}{children},\
				bpcmtm to ${$outhash{$name}}{bpcmtm}, bpcsn to ${$outhash{$name}}{bpcsn}");
            }

        }
    }

    ###########################################################
    # find frame's hostname first, then use find the cec's parent
    # until then can begin with finding cec's hostname
    # the order of finding PPC nodes' hostname can't be wrong
    # and can't be done together
    ###########################################################
    my $newhostname;
    trace($request, "\n\n\nBegin to find find frame's hostname");
    foreach my $h (keys %outhash) {
        if (${ $outhash{$h} }{type} eq TYPE_FRAME) {
            $newhostname = $::OLD_DATA_CACHE{ "frame*" . ${ $outhash{$h} }{mtm} . "*" . ${ $outhash{$h} }{serial} };
            if ($newhostname) {
                ${ $outhash{$h} }{hostname} = $newhostname;
                trace($request, "$h found hostname $newhostname");
                push @matchnode, $h;
            }
        }
    }
    trace($request, "\n\n\nBegin to find cec's parent");
    foreach my $h (keys %outhash) {
        next unless (${ $outhash{$h} }{type} eq TYPE_CEC);
        my $parent;

        #find parent in the discovered nodes
        foreach my $h1 (keys %outhash) {
            if (${ $outhash{$h1} }{type} eq "frame" and ${ $outhash{$h} }{bpcmtm} eq ${ $outhash{$h1} }{mtm} and ${ $outhash{$h} }{bpcsn} eq ${ $outhash{$h1} }{serial}) {
                $parent = ${ $outhash{$h1} }{hostname};
                last;
            }
        }

        #find parent in database
        if (!defined($parent)) {
            my $existing_node = $::OLD_DATA_CACHE{ "frame*" . ${ $outhash{$h} }{bpcmtm} . '*' . ${ $outhash{$h} }{bpcsn} };
            $parent = $existing_node if ($existing_node);
        }
        ${ $outhash{$h} }{parent} = $parent;
        trace($request, "$h found parent $parent") if ($parent);
    }

    trace($request, "\n\n\nBegin to find cec hostname");
    foreach my $h (keys %outhash) {
        if (${ $outhash{$h} }{type} eq TYPE_CEC) {
            my $newhostname1 = $::OLD_DATA_CACHE{ "cec*" . ${ $outhash{$h} }{mtm} . '*' . ${ $outhash{$h} }{serial} };
            if ($newhostname1) {
                trace($request, "$h found hostname $newhostname1 with mtms");
                ${ $outhash{$h} }{hostname} = $newhostname1;
                push @matchnode, $h;
            }
            my $tp = 'Server-' . ${ $outhash{$h} }{bpcmtm} . '-SN' . ${ $outhash{$h} }{bpcsn};
            trace($request, "$h begin to find hostname with parent $tp and id ${$outhash{$h}}{cid}");
            my $newhostname2 = $::OLD_DATA_CACHE{ "cec*" . $tp . '*' . ${ $outhash{$h} }{cid} };
            if ($newhostname2) {
                ${ $outhash{$h} }{hostname} = $newhostname2;
                trace($request, "$h found hostname $newhostname2 with parent and id");
                push @matchnode, $h;
            }
        }
    }

    trace($request, "\n\n\nBegin to find fsp/bpa's hostname and parent");
    foreach my $h (keys %outhash) {

        # Added a skip if processing Flex blades
        if (${ $outhash{$h} }{type} eq TYPE_FSP or ${ $outhash{$h} }{type} eq TYPE_BPA) {
            $newhostname = $::OLD_DATA_CACHE{ ${ $outhash{$h} }{type} . "*" . ${ $outhash{$h} }{mtm} . '*' . ${ $outhash{$h} }{serial} . '*' . ${ $outhash{$h} }{side} };
            if ($newhostname) {
                ${ $outhash{$h} }{hostname} = $newhostname;
                trace($request, "$h found hostname $newhostname");
                push @matchnode, $h;
            }
            my $ptmp = ${ $outhash{$h} }{parent};
            ${ $outhash{$h} }{parent} = ${ $outhash{$ptmp} }{hostname} unless ((${ $outhash{$h} }{type} eq TYPE_FSP) && ${ $outhash{$h} }{mtm} =~ /^7895|1457|7954/);
            trace($request, "$h found parent ${$outhash{$ptmp}}{hostname}");

            #check if fsp/bpa's ip is valid
            my $vip = check_ip(${ $outhash{$h} }{ip});
            unless ($vip) {    #which means the ip is a valid one
                delete $outhash{$h};
            }
        }
    }
    trace($request, "\n\n\nBegin to adjust fsp/bpa's id");
    foreach my $h (keys %outhash) {
        if (${ $outhash{$h} }{type} eq TYPE_CEC or ${ $outhash{$h} }{type} eq TYPE_FRAME) {
            my @children = split /,/, ${ $outhash{$h} }{children};
            foreach my $child (@children) {
                ${ $outhash{$child} }{fid} = ${ $outhash{$h} }{fid};
                ${ $outhash{$child} }{cid} = ${ $outhash{$h} }{cid};
                trace($request, "child is $child, fid is ${$outhash{$child}}{fid}, cid is ${$outhash{$child}}{cid}");
            }

        }
    }


    trace($request, "\n\n\nBegin to find cmm hostname in switch table");
    $macmap = xCAT::MacMap->new();
    $macmap->refresh_table();
    foreach my $cmmnode (@cmmnodes) {
        my $macvalue = ${ $outhash{$cmmnode} }{mac};
        my $hostn = $macmap->find_mac($macvalue, 1);
        if ($hostn) {
            ${ $outhash{$cmmnode} }{hostname} = $hostn;
            trace($request, "cmmnode $cmmnode find hostname $hostn");
        }
    }



    ##########################################################
    # If there is -n flag, skip the matched nodes
    ##########################################################
    if (exists($globalopt{n})) {
        trace($request, "\n\n\nThere is -n flag, skip these nodes:\n");
        for my $matchednode (@matchnode) {
            if ($outhash{$matchednode}) {
                trace($request, "skip the node $matchednode\n");
                delete $outhash{$matchednode};
            }
        }
    }
    if (exists($globalopt{I})) {
        my %existsnodes;
        my $nodelisttab = xCAT::Table->new('nodelist');
        unless ($nodelisttab) {
            return ("Error opening 'nodelisttable'");
        }
        my @nodes = $nodelisttab->getAllNodeAttribs([qw(node)]);
        my $notdisnode;
        for my $enode (@nodes) {
            for my $mnode (@matchnode) {
                if ($enode->{node} eq ${ $outhash{$mnode} }{hostname}) {
                    $existsnodes{ $enode->{node} } = 1;
                    last;
                }
            }
        }

        for my $enode (@nodes) {
            unless ($existsnodes{ $enode->{node} }) {
                $notdisnode .= $enode->{node} . ",";
            }
        }
        send_msg($request, 0, "These nodes defined in database but can't be discovered: $notdisnode  \n");
    }
    foreach my $no (keys %outhash) {
        delete $outhash{$no} unless (${ $outhash{$no} }{hostname});
    }
    return \%outhash;
}
##########################################################################
# Write result to xCat database
##########################################################################
sub xCATdB {
    my $outhash = shift;

    ########################################
    # Begin to collect attributes for each node
    ########################################
    my %nodelisthash;
    my %ppchash;
    my %vpdhash;
    my %nodehmhash;
    my %nodetypehash;
    my %ppcdirecthash;
    my %hostshash;
    my %machash;
    my %mphash;
    my %ipmihash;

    foreach my $nodeentry (keys %$outhash) {
        my $type     = ${ $outhash->{$nodeentry} }{type};
        my $model    = ${ $outhash->{$nodeentry} }{mtm};
        my $serial   = ${ $outhash->{$nodeentry} }{serial};
        my $side     = ${ $outhash->{$nodeentry} }{side};
        my $ip       = ${ $outhash->{$nodeentry} }{ip};
        my $frameid  = ${ $outhash->{$nodeentry} }{fid};
        my $cageid   = ${ $outhash->{$nodeentry} }{cid};
        my $parent   = ${ $outhash->{$nodeentry} }{parent};
        my $mac      = ${ $outhash->{$nodeentry} }{mac};
        my $otherif  = ${ $outhash->{$nodeentry} }{otherinterfaces};
        my $hostname = ${ $outhash->{$nodeentry} }{hostname};

        my $id     = ($type =~ /bpa|frame/) ? $frameid : $cageid;
        my $hidden = ($type =~ /bpa|fsp/)   ? 1        : 0;
        my $groups = lc($type) . ",all";
        my $tmp_pre = xCAT::data::ibmhwtypes::parse_group($model);
        if (defined($tmp_pre)) {
            $groups .= ",$tmp_pre";
        }
        ########################################
        # Write result to every tables,
        ########################################
        if ($type =~ /^bpa|fsp|cec|frame$/) {

            #$nodelisthash{$hostname} = {groups=>"$type,all", hidden=>$hidden};
            $nodelisthash{$hostname} = { groups => $groups, hidden => $hidden };
            $ppchash{$hostname} = { id => $id, parent => $parent, hcp => $hostname, nodetype => $globalhwtype{$type} };
            $vpdhash{$hostname} = { mtm => $model, serial => $serial, side => $side };
            $nodehmhash{$hostname}   = { mgt      => $globalmgt{$type} };
            $nodetypehash{$hostname} = { nodetype => $globalnodetype{$type} };
            $hostshash{$hostname} = { otherinterfaces => $otherif } if ($type =~ /fsp|bpa/);
            $machash{$hostname} = { mac => $mac } if ($type =~ /^fsp|bpa$/);
        } elsif ($type =~ /^pbmc$/) {
            $nodelisthash{$hostname} = { groups => $groups, hidden => $hidden };
            $mphash{$hostname}     = { nodetype => $globalhwtype{$type} };
            $vpdhash{$hostname}    = { mtm      => $model, serial => $serial };
            $nodehmhash{$hostname} = { mgt      => $globalmgt{$type} };
            $nodetypehash{$hostname} = { nodetype => $globalnodetype{$type} };
            $ipmihash{$hostname}     = { bmc      => $ip };
        } elsif ($type =~ /^(rsa|mm)$/) {
            my @data = ($type, $model, $serial, $side, $ip, $frameid, $cageid, $parent, $mac);
            xCAT::PPCdb::add_systemX($type, $hostname, \@data);
        } elsif ($type =~ /^(hmc|ivm)$/) {
            $nodelisthash{$hostname} = { groups => $groups, hidden => $hidden };
            $ppchash{$hostname} = { nodetype => $globalhwtype{$type} };
            $vpdhash{$hostname} = { mtm => $model, serial => $serial };
            $nodetypehash{$hostname} = { nodetype => $globalnodetype{$type} };
            $nodehmhash{$hostname}   = { mgt      => $globalmgt{$type} };
            $hostshash{$hostname}    = { ip       => $ip };
            $machash{$hostname}      = { mac      => $mac };
        } elsif ($type =~ /^cmm$/) {
            $nodelisthash{$hostname} = { groups => $groups, hidden => $hidden };
            $vpdhash{$hostname} = { mtm => $model, serial => $serial, side => $side };
            $nodetypehash{$hostname} = { nodetype => $globalnodetype{$type} };
            $nodehmhash{$hostname}   = { mgt      => "blade" };
            $mphash{$hostname} = { nodetype => $globalhwtype{$type}, mpa => $hostname };
            $hostshash{$hostname} = { otherinterfaces => $otherif };
        }
    }
    ########################################
    # Update database
    ########################################
    my %dbhash;
    $dbhash{nodelist}  = \%nodelisthash,  if (%nodelisthash);
    $dbhash{ppc}       = \%ppchash,       if (%ppchash);
    $dbhash{vpd}       = \%vpdhash,       if (%vpdhash);
    $dbhash{nodehm}    = \%nodehmhash,    if (%nodehmhash);
    $dbhash{nodetype}  = \%nodetypehash,  if (%nodetypehash);
    $dbhash{ppcdirect} = \%ppcdirecthash, if (%ppcdirecthash);
    $dbhash{hosts}     = \%hostshash,     if (%hostshash);
    $dbhash{mac}       = \%machash,       if (%machash);
    $dbhash{mp}        = \%mphash,        if (%mphash);
    $dbhash{ipmi}      = \%ipmihash,      if (%ipmihash);

    for my $tab (keys %dbhash) {
        my $db = xCAT::Table->new($tab);
        if (!$db) {
            return ("Error opening $db");
        }
        $db->setNodesAttribs($dbhash{$tab});
        $db->close();
    }
}
##########################################################################
# Stanza formatting
##########################################################################
sub format_stanza {

    my $outhash = shift;
    my $result;
    #####################################
    # Write attributes
    #####################################
    foreach my $name (keys %$outhash) {
        my $hostname = ${ $outhash->{$name} }{hostname};
        my $ip       = ${ $outhash->{$name} }{ip};
        if ($hostname =~ /^([^\(]+)\(([^\)]+)\)$/) {
            $hostname = $1;
            $ip       = $2;
        }
        my $type   = ${ $outhash->{$name} }{type};
        my $groups = "$type,all";
        my $tmp_pre = xCAT::data::ibmhwtypes::parse_group(${ $outhash->{$name} }{mtm});
        if (defined($tmp_pre)) {
            $groups .= ",$tmp_pre";
        }

        #################################
        # Node attributes
        #################################
        $result .= "$hostname:\n\tobjtype=node\n";
        if ($type =~ /^cmm$/) {
            $result .= "\tmpa=${$outhash->{$name}}{hostname}\n";
        } elsif ($type =~ /^pbmc$/) {
            $result .= "\tbmc=${$outhash->{$name}}{ip}\n";
        } else {
            $result .= "\thcp=${$outhash->{$name}}{hostname}\n";
        }
        $result .= "\tnodetype=$globalnodetype{$type}\n";
        $result .= "\tmtm=${$outhash->{$name}}{mtm}\n";
        $result .= "\tserial=${$outhash->{$name}}{serial}\n";
        if ($type =~ /^fsp|bpa|cmm$/) {
            $result .= "\tside=${$outhash->{$name}}{side}\n";
        }

        #$result .= "\tgroups=$type,all\n";
        $result .= "\tgroups=$groups\n";
        $result .= "\tmgt=$globalmgt{$type}\n";
        if ($type =~ /^fsp|bpa|frame|cec$/) {
            $result .= "\tid=${$outhash->{$name}}{$globalid{$type}}\n";
        }
        if ($type =~ /^fsp|bpa|cec$/ and exists(${ $outhash->{$name} }{parent})) {
            $result .= "\tparent=${$outhash->{$name}}{parent}\n";
        }
        unless ($type =~ /^frame|cec$/ or !exists(${ $outhash->{$name} }{mac})) {
            $result .= "\tmac=${$outhash->{$name}}{mac}\n";
        }
        if ($type =~ /^fsp|bpa$/) {
            $result .= "\thidden=1\n";
        } else {
            $result .= "\thidden=0\n";
        }

        #unless ($type =~ /^cmm$/) {
        #    $result .= "\tip=$ip\n";
        #}
        if ($type =~ /^fsp|bpa|cmm$/) {
            $result .= "\totherinterfaces=${$outhash->{$name}}{otherinterfaces}\n";
        }
        if ($type eq "ivm") {
            $result .= "\tip=${$outhash->{$name}}{ip}\n";
        }
        $result .= "\thwtype=$globalhwtype{$type}\n";
    }
    return ($result);
}



##########################################################################
# XML formatting
##########################################################################
sub format_xml {

    my $outhash = shift;
    my $xml;

    my $result = format_stanza($outhash);
    my @nodeentry = split 'objtype=', $result;
    foreach my $entry (@nodeentry) {
        my $href = {
            Node => {}
        };
        my @attr = split '\\n\\t', $entry;
        $href->{Node}->{node} = $attr[0];
        for (my $i = 1 ; $i < scalar(@attr) ; $i++) {
            if ($attr[$i] =~ /(\w+)\=(.*)/) {
                $href->{Node}->{$1} = $2;
            }
        }
        $xml .= XMLout($href,
            NoAttr   => 1,
            KeyAttr  => [],
            RootName => undef);
    }
    return ($xml);
}

##########################################################################
# VPD table formatting
##########################################################################
sub format_table {

    my $outhash = shift;
    my $result;

    #####################################
    # Create XML formatted attributes
    #####################################
    foreach my $name (keys %$outhash) {
        my $type = ${ $outhash->{$name} }{type};
        next if ($type =~ /^(fsp|bpa)$/);
        $result .= "${$outhash->{$name}}{hostname}:\n";
        $result .= "\tobjtype=node\n";
        $result .= "\tmtm=${$outhash->{$name}}{mtm}\n";
        $result .= "\tserial=${$outhash->{$name}}{serial}\n";
    }
    return ($result);
}

##########################################################################
# Collect output from the child processes
##########################################################################
sub child_response {

    my $callback  = shift;
    my $fds       = shift;
    my @ready_fds = $fds->can_read(1);

    foreach my $rfh (@ready_fds) {
        my $data = <$rfh>;

        #################################
        # Read from child process
        #################################
        if (defined($data)) {
            while ($data !~ /ENDOFFREEZE6sK4ci/) {
                $data .= <$rfh>;
            }
            my $responses = thaw($data);

            #############################
            # Formatted SLP results
            #############################
            if (@$responses[0] =~ /^FORMATDATA6sK4ci$/) {
                my $result = @$responses[1];
                foreach (keys %$result) {

                    #$slp_result{$_} = 1;
                }
                next;
            }

            #############################
            # Message or verbose trace
            #############################
            foreach (@$responses) {
                $callback->($_);
            }
            next;
        }
        #################################
        # Done - close handle
        #################################
        $fds->remove($rfh);
        close($rfh);
    }
}

#############################################################################
# Preprocess request from xCAT daemon and send request to service nodes
#############################################################################
sub preprocess_request {

    my $req = shift;
    if ($req->{_xcatpreprocessed}->[0] == 1) { return [$req]; }
    my $callback = shift;
    my @requests;

    my $command  = $req->{command}->[0];
    my $extrargs = $req->{arg};
    my @exargs   = ($req->{arg});
    if (ref($extrargs)) {
        @exargs = @$extrargs;
    }
    my $usage_string = xCAT::Usage->parseCommand($command, @exargs);
    if ($usage_string) {
        $callback->({ data => [$usage_string] });
        $req = {};
        return;
    }
    ###########################################
    # find all the service nodes for xCAT cluster
    # build an individual request for each service node
    ###########################################
    my %sv_hash = ();

    #my @all = xCAT::Utils::getAllSN();
    #foreach (@all) {
    #    $sv_hash{$_}=1;
    #}
    ###########################################
    # build each request for each service node
    ###########################################
    my @result = ();
    my $mncopy = {%$req};
    push @result, $mncopy;

    #foreach my $sn (keys (%sv_hash)) {
    #  my $reqcopy = {%$req};
    #  $reqcopy->{_xcatdest} = $sn;
    #  $reqcopy->{_xcatpreprocessed}->[0] = 1;
    #  push @result, $reqcopy;
    #}
    return \@result;
}

##########################################################################
# Process request from xCat daemon
##########################################################################
sub process_request {

    my $req      = shift;
    my $callback = shift;

    #unless ($macmap) { $macmap = xCAT::MacMap->new(); }

    ###########################################
    # Build hash to pass around
    ###########################################
    my %request;
    $request{arg}      = $req->{arg};
    $request{callback} = $callback;
    $request{command}  = $req->{command}->[0];

    ####################################
    # Process command-specific options
    ####################################
    my $result = parse_args(\%request);

    ####################################
    # Return error
    ####################################
    if (ref($result) eq 'ARRAY') {
        send_msg(\%request, 1, @$result);
        return (1);
    }

    #######################################
    # Write header for trace
    #######################################
    my $tm  = localtime(time);
    my $msg = "\n--------  $tm\nTime     PID";
    trace(\%request, $msg);


    ###########################################
    # Record begin time
    ###########################################
    my $start = Time::HiRes::gettimeofday();
    ############################################
    ## Fork one process per adapter
    ############################################
    #my $children = 0;
    #$SIG{CHLD} = sub {
    #   my $rc_bak = $?;
    #   while (waitpid(-1, WNOHANG) > 0) { $children--; }
    #   $? = $rc_bak;
    #};
    #my $fds = new IO::Select;
    #
    #foreach ( keys %ip_addr ) {
    #    my $pipe = fork_cmd( $req, $_);
    #    if ( $pipe ) {
    #        $fds->add( $pipe );
    #        $children++;
    #    }
    #}
    ############################################
    ## Process slp responses from children
    ############################################
    #while ( $children > 0 ) {
    #    child_response( $callback, $fds );
    #}
    #while (child_response($callback,$fds)) {}

    my ($searchmacsref, $sendcount, $rspc) = invoke_dodiscover(\%request);

    if ($globalopt{flexdiscover}) {
        bt_process($req, $callback, $searchmacsref);
        return (SUCCESS);
    }
    ###########################################
    # Record ending time
    ###########################################

    my $elapsed = Time::HiRes::gettimeofday() - $start;
    my $msg2 = sprintf("Total SLP Time: %.3f sec\n", $elapsed);
    trace(\%request, $msg2);
    ###########################################
    # Combined responses from all children
    ###########################################
    my $num = keys %$searchmacsref;
    my $min;
    if ($num < 500) {
        $min = "0-1";
    } elsif (500 < $num and $num < 1000) {
        $min = "1-2";
    } else {
        $min = "more than 2";
    }

    #my $start1 = Time::HiRes::gettimeofday();
    send_msg(\%request, 0, "$sendcount requests with $rspc responses.  Now processing responses.  This will take $min minutes...") unless ($globalopt{x} or $globalopt{z});
    format_output(\%request, $searchmacsref);

    #my $elapsed1 = Time::HiRes::gettimeofday() - $start1;
    #send_msg( \%request, 0, "$num nodes takes $elapsed1");
    return (SUCCESS);
}



##########################################################################
# Filter nodes the user specified
##########################################################################
sub filter {
    my $oldhash = shift;
    my $newhash;

    # find HMC/CEC/Frame that the user want to find
    foreach my $n (@filternodes) {
        for my $foundnode (keys %$oldhash) {
            if (${ $oldhash->{$foundnode} }{hostname} =~ /^(\w+)\(.*\)/) {
                if ($1 eq $n) {
                    $newhash->{$foundnode} = $oldhash->{$foundnode};
                    if (${ $oldhash->{$foundnode} }{type} eq TYPE_CEC or ${ $oldhash->{$foundnode} }{type} eq TYPE_FRAME) {
                        my @ips = split /,/, ${ $oldhash->{$foundnode} }{children};
                        for (my $i = 0 ; $i < scalar(@ips) ; $i++) {
                            $newhash->{ $ips[$i] } = $oldhash->{ $ips[$i] };
                        }
                    }
                }
            } elsif (${ $oldhash->{$foundnode} }{hostname} eq $n) {
                $newhash->{$foundnode} = $oldhash->{$foundnode};
                if (${ $oldhash->{$foundnode} }{type} eq TYPE_CEC or ${ $oldhash->{$foundnode} }{type} eq TYPE_FRAME) {
                    my @ips = split /,/, ${ $oldhash->{$foundnode} }{children};
                    for (my $i = 0 ; $i < scalar(@ips) ; $i++) {
                        $newhash->{ $ips[$i] } = $oldhash->{ $ips[$i] };
                    }
                }
            }
        }
    }
    return $newhash;
}
##########################################################################
# Filter nodes not in the user specified vlan
##########################################################################
sub filtersamevlan {
    my $oldhash = shift;
    my $newhash;
    my $nets = xCAT::NetworkUtils::my_nets();
    my $validnets;
    for my $net (keys %$nets) {
        for my $nic (split /,/, $globalopt{i}) {
            if ($nets->{$net} eq $nic) {
                $validnets->{$net} = $nic;
            }
        }
    }
    foreach my $name (keys %$oldhash) {
        if (${ $oldhash->{$name} }{type} =~ /^(fsp|bpa)$/) {
            my $ip = ${ $oldhash->{$name} }{ip};
            for my $net (keys %$validnets) {
                my ($n, $m) = split /\//, $net;
                if (xCAT::NetworkUtils::isInSameSubnet($n, $ip, $m, 1)) { #and xCAT::NetworkUtils::isPingable( $ip)) {
                    $newhash->{$name} = $oldhash->{$name};
                }
            }
        } else {
            $newhash->{$name} = $oldhash->{$name};
        }
    }
    return $newhash;
}
##########################################################################
# This is the function that merged in from slpdiscover
##########################################################################
sub bt_process {
    my $request  = shift;
    my $callback = shift;
    my $searef   = shift;



    my $mpatab = xCAT::Table->new("mpa", -create => 0);
    my @mpaentries;
    $mpahash = {};
    if (ref $request->{environment} and ref $request->{environment}->[0]->{XCAT_CURRENTPASS}) {
        $currentbladepass = $request->{environment}->[0]->{XCAT_CURRENTPASS}->[0];
    } else {
        $currentbladepass = "PASSW0RD";
    }
    if (ref $request->{environment} and ref $request->{environment}->[0]->{XCAT_CURRENTUSER}) {
        $currentbladeuser = $request->{environment}->[0]->{XCAT_CURRENTUSER}->[0];
    } else {
        $currentbladeuser = "USERID";
    }
    if ($mpatab) {
        @mpaentries = $mpatab->getAllNodeAttribs([qw/mpa username password/]);
        foreach (@mpaentries) {
            $mpahash->{ $_->{mpa} } = $_;
        }
    }
    my $passwdtab = xCAT::Table->new("passwd", -create => 0);
    $defaultbladeuser = "USERID";
    $defaultbladepass = "";
    if ($passwdtab) {
        my @ents = $passwdtab->getAttribs({ key => 'blade' }, 'username', 'password');
        foreach (@ents) {
            if ($_->{username} eq "HMC") { next; }
            if ($_->{username}) { $defaultbladeuser = $_->{username}; }
            if ($_->{password}) { $defaultbladepass = $_->{password}; }
        }
    }
    my $mactab = xCAT::Table->new("mac");
    my %machash;
    my %node2machash;
    my %macuphash;
    my @maclist = $mactab->getAllNodeAttribs([qw/node mac/]);
    foreach (@maclist) {
        $machash{ $_->{node} }     = $_->{mac};
        $node2machash{ $_->{mac} } = $_->{node};
    }



    my $mptab = xCAT::Table->new('mp');
    my $nodecandidates;
    if ($mptab) {
        my @mpents = $mptab->getAllNodeAttribs([ 'node', 'mpa', 'id' ]);
        foreach (@mpents) {
            $nodebymp{ $_->{mpa} }->{ $_->{id} } = $_->{node};
        }
    }

    $macmap = xCAT::MacMap->new();
    $macmap->refresh_table();
    my @toconfig;
    foreach my $mac (keys(%btresult)) {
        my $node = $macmap->find_mac($mac, 1);
        unless ($node) {
            if (defined $node2machash{$mac}) {
                $node = $node2machash{$mac};
            } else {
                next;
            }
        }
        my $data = $btresult{$mac};
        $data->{nodename}                                              = $node;
        $data->{macaddress}                                            = $mac;
        $chassisbyuuid{ $data->{attributes}->{"enclosure-uuid"}->[0] } = $node;
        push @toconfig, $data;
    }

    foreach my $data (@toconfig) {
        my $mac      = $data->{macaddress};
        my $nodename = $data->{nodename};
        my $addr = $data->{peername}; #todo, use sockaddr and remove the 427 port from it instead?
        if ($addr =~ /^fe80/) {       #Link local address requires scope index
            $addr .= "%" . $data->{scopeid};
        }
        $flexchassisuuid{$nodename} = $data->{attributes}->{"enclosure-uuid"}->[0];

        if ($data->{SrvType} eq "service:management-hardware.IBM:chassis-management-module") {
            sendmsg(":Found " . $data->{SrvType} . " at address $addr", $callback, $nodename);

            setup_cmm_pass($nodename);
            if ($machash{$nodename} =~ /$mac/i) { #ignore prospects already known to mac table
                configure_hosted_elements($nodename, $callback);
                next;
            }

            unless (do_blade_setup($data, $callback, curraddr => $addr)) {
                next;
            }
            configure_hosted_elements($nodename, $callback);
            unless (do_blade_setup($data, $callback, curraddr => $addr, pass2 => 1)) {
                next;
            }
            sendmsg(":Configuration complete, configuration may take a few minutes to take effect", $callback, $nodename);
            $macuphash{$nodename} = { mac => $mac };
        }
    }
    $mactab->setNodesAttribs(\%macuphash);
}


sub configure_hosted_elements {
    my $cmm      = shift;
    my $callback = shift;
    my $uuid     = $flexchassisuuid{$cmm};
    my $node;
    my $immdata;
    my $slot;
    my $user = $passwordmap{$cmm}->{username};
    my $pass = $passwordmap{$cmm}->{password};
    foreach $immdata (values %{ $flexchassismap{$uuid} }) {
        $slot = $immdata->{attributes}->{slot}->[0];
        if (defined $immdata->{attributes}->{'chassis-sub-slot'}) {
            $slot .= ":" . $immdata->{attributes}->{'chassis-sub-slot'}->[0];
        }
        if ($node = $nodebymp{$cmm}->{$slot}) {
            my $addr = $immdata->{peername}; #todo, use sockaddr and remove the 427 port from it instead?
            if ($addr =~ /^fe80/) {    #Link local address requires scope index
                $addr .= "%" . $immdata->{scopeid};
            }
            if ($doneaddrs{$node}) { next; }
            $doneaddrs{$node} = 1;
            xCAT::IMMUtils::setupIMM($node, nodedata => $immdata, curraddr => $addr, cliusername => $user, clipassword => $pass, callback => $callback);
        } else {
            sendmsg(": Ignoring target in bay $slot, no node found with mp.mpa/mp.id matching", $callback, $cmm);
        }

    }
    while (wait() > 0) { }
}

sub setup_cmm_pass {
    my $nodename  = shift;
    my $localuser = $defaultbladeuser;
    my $localpass = $defaultbladepass;
    if ($mpahash->{$nodename}) {
        if ($mpahash->{$nodename}->{username}) {
            $localuser = $mpahash->{$nodename}->{username};
        }
        if ($mpahash->{$nodename}->{password}) {
            $localpass = $mpahash->{$nodename}->{password};
        }
    }
    $passwordmap{$nodename}->{username} = $localuser;
    $passwordmap{$nodename}->{password} = $localpass;
}

sub do_blade_setup {
    my $data      = shift;
    my $callback  = shift;
    my %args      = @_;
    my $addr      = $args{curraddr};
    my $nodename  = $data->{nodename};
    my $localuser = $passwordmap{$nodename}->{username};
    my $localpass = $passwordmap{$nodename}->{password};
    if (not $localpass or $localpass eq "PASSW0RD") {
        sendmsg([ 1, ":Password for blade must be specified in either mpa or passwd tables, and it must not be PASSW0RD" ], $callback, $nodename);
        return 0;
    }
    require xCAT_plugin::blade;
    my @cmds;
    my %exargs;
    if ($args{pass2}) {
        @cmds = qw/initnetwork=*/;
        %exargs = (nokeycheck => 1); #still not at the 'right' ip, so the known hosts shouldn't be bothered
    } else {
        @cmds = qw/snmpcfg=enable sshcfg=enable textid=*/; # initnetwork=*/; defer initnetwork until after chassis members have been configured
        %exargs = (curruser => $currentbladeuser, currpass => $currentbladepass);
    }
    my $result;
    $@ = "";
    my $rc = eval { $result = xCAT_plugin::blade::clicmds(
            $nodename,
            $localuser,
            $localpass,
            $nodename,
            0,
            curraddr => $addr,
            %exargs,
            cmds => \@cmds);
        1;
    };
    my $errmsg = $@;
    if ($errmsg) {
        if ($errmsg =~ /Incorrect Password/) {
            sendmsg([ 1, "Failed to set up Management module due to Incorrect Password (You may try the environment variables XCAT_CURRENTUSER and/or XCAT_CURRENTPASS to try a different value)" ], $callback, $nodename);
        } else {
            sendmsg([ 1, "Failed to set up Management module due to $errmsg" ], $callback, $nodename);
        }
        return 0;
    }
    if ($result) {
        if ($result->[0]) {
            if ($result->[2] =~ /Incorrect Password/) {
                sendmsg([ 1, "Failed to set up Management module due to Incorrect Password (You may try the environment variables XCAT_CURRENTUSER and/or XCAT_CURRENTPASS to try a different value)" ], $callback, $nodename);
                return 0;
            }
            my $errors = $result->[2];
            if (ref $errors) {
                foreach my $error (@$errors) {
                    sendmsg([ $result->[0], $error ], $callback, $nodename);
                }
            } else {
                sendmsg([ $result->[0], $result->[2] ], $callback, $nodename);
            }
            return 0;
        }
    }
    return $rc;
}

sub bt_handle_new_slp_entity {
    my $data = shift;
    delete $data->{sockaddr};    #won't need it
    my $mac = xCAT::SLP::get_mac_for_addr($data->{peername});
    if ($data->{SrvType} eq "service:management-hardware.IBM:integrated-management-module2" and $data->{attributes}->{"enclosure-form-factor"}->[0] eq "BC2") {
        $data->{macaddress} = $mac;

        #this is a Flex ITE, don't go mac searching for it, but remember the chassis UUID for later
        if ($flexchassismap{ $data->{attributes}->{"chassis-uuid"}->[0] }->{$mac} and $data->{peername} !~ /fe80/) {
            return;
        }
        $flexchassismap{ $data->{attributes}->{"chassis-uuid"}->[0] }->{$mac} = $data;
        return;
    }
    unless ($mac) { return; }
    $btresult{$mac} = $data;
}
1;