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

package xCAT::FSPconn;
use strict;
use Getopt::Long;
use xCAT::PPCcli qw(SUCCESS EXPECT_ERROR RC_ERROR NR_ERROR);
use xCAT::Usage;
#use Data::Dumper;
use xCAT::FSPUtils;
use xCAT::PPCconn;

##############################################
# Globals
##############################################
my %method = (
    mkhwconn => \&mkhwconn_parse_args,
    lshwconn => \&lshwconn_parse_args,
    rmhwconn => \&rmhwconn_parse_args,
);
##########################################################################
# Parse the command line for options and operands
##########################################################################
sub parse_args {

    my $request = shift;
    my $cmd = $request->{command};
    ###############################
    # Invoke correct parse_args
    ###############################

    my $result = $method{$cmd}( $request, $request->{arg});
    return( $result );
}

##########################################################################
# Parse arguments for mkhwconn
##########################################################################
sub mkhwconn_parse_args
{
    my $request = shift;
    my $args    = shift;
    my %opt = ();

    local *usage = sub {
        my $usage_string = xCAT::Usage->getUsage("mkhwconn");
        return( [ $_[0], $usage_string] );
    };
    #############################################
    # Process command-line arguments
    #############################################
    if ( !defined( $args )) {
        return(usage( "No command specified" ));
    }

    local @ARGV = ref($args) eq 'ARRAY'? @$args:();
    $Getopt::Long::ignorecase = 0;
    Getopt::Long::Configure( "bundling" );

    if ( !GetOptions( \%opt, qw(V|verbose h|help t s T=s p=s P=s port=s) )) {
        return( usage() );
    }

    if ( exists $opt{s} )
    {
        my $opttmp = xCAT::PPCconn::mkhwconn_parse_args($request, $args);
        return $opttmp;
    }


    return usage() if ( exists $opt{h});

    if ( !exists $opt{t} and !exists $opt{p}) {
        return ( usage('Flag -t or -p must be used.'));
    }

    if ( exists $opt{t} and exists $opt{p})
    {
        return( usage('Flags -t and -p cannot be used together.'));
    }

    if ( exists $opt{P} and ! exists $opt{p})
    {
        return( usage('Flags -P can only be used when flag -p is specified.'));
    }
   
    ##########################################
    # Check if CECs are controlled by a frame
    ##########################################
    my $nodes = $request->{node};
    my $ppctab  = xCAT::Table->new( 'ppc' );
    my $nodetypetab = xCAT::Table->new( 'nodetype');
    my $vpdtab = xCAT::Table->new( 'vpd');
    my @bpa_ctrled_nodes = ();
    my @no_type_nodes    = ();
    my @frame_members    = ();

    ###########################################
    # mgt=fsp/bpa for PPCconn.pm
    ##########################################
    if ( exists $opt{p} )
    {
        my $nodetype_hash    = $nodetypetab->getNodeAttribs( $opt{p},[qw(nodetype)]);
        my $nodetype    = $nodetype_hash->{nodetype};
        if( !defined($nodetype) ) {
            return(usage("Something wrong with the specified HMC (-p Option). The HMC type doesn't exist."));
        }
        if ( $nodetype eq 'hmc' )
        {
    	    $request->{ 'hwtype'} = 'hmc';
        }	
    }

    if ( $ppctab)
    {
        my $hcp_nodetype = undef;
        for my $node ( @$nodes)
        {
            my $node_parent = undef;
            my $nodetype    = undef;
            my $node_hcp_nodetype = undef;    
            my $nodetype_hash    = $nodetypetab->getNodeAttribs( $node,[qw(nodetype)]);
            my $node_parent_hash = $ppctab->getNodeAttribs( $node,[qw(parent)]);
            if ( exists $opt{t} )
            {
                my $node_hcp_hash = $ppctab->getNodeAttribs( $node,[qw(hcp)]);
                if ( $node_hcp_hash->{hcp} )
                {
                    my $node_hcp_nodetype_hash = $nodetypetab->getNodeAttribs($node_hcp_hash->{hcp},[qw(nodetype)]);
                    $node_hcp_nodetype = $node_hcp_nodetype_hash->{nodetype};
                }
                if ( defined $hcp_nodetype )
                {
                    if ( $hcp_nodetype ne $node_hcp_nodetype )
                    {   
                        return( usage("Nodetype for all the nodes' hcp must be the same.") );
                    }
                }
                else
                {
                    $hcp_nodetype = $node_hcp_nodetype;
                    if ( $hcp_nodetype eq 'hmc' )
                    {   
                        $request->{ 'hwtype'} = 'hmc';
                    }
                }
 
            }
            $nodetype    = $nodetype_hash->{nodetype};
            $node_parent = $node_parent_hash->{parent};
            if ( !$nodetype )
            {
                push @no_type_nodes, $node;
                next;
            } else
            {
                unless ( $nodetype =~ /^(fsp|bpa|frame|cec|hmc)$/)
                {
                     return ( usage("Node type is incorrect. \n"));
                }
            }
            
            if (( $nodetype eq 'fsp' or $nodetype eq 'cec') and
                $node_parent and 
                $node_parent ne $node)
            {
                push @bpa_ctrled_nodes, $node;
            }
            
            if ( $nodetype eq 'bpa')
            {
                my $my_frame_bpa_cec = getFrameMembers( $node, $vpdtab, $ppctab);
                push @frame_members, @$my_frame_bpa_cec;
            }
            if ( $nodetype eq 'frame')
            {
                my $my_frame_bpa_cec =  xCAT::DBobjUtils::getcecchildren( $node)                                                                             ;
                push @frame_members, @$my_frame_bpa_cec;
                push @frame_members, $node;
            }

        }
    }

    if (scalar(@no_type_nodes))
    {
        my $tmp_nodelist = join ',', @no_type_nodes;
        return ( usage("Attribute nodetype.nodetype cannot be found for node(s) $tmp_nodelist"));
    }

    #if (scalar(@bpa_ctrled_nodes))
    #{
    #    my $tmp_nodelist = join ',', @bpa_ctrled_nodes;
    #    return ( usage("Node(s) $tmp_nodelist is(are) controlled by BPA."));
    #}
    
    if ( scalar( @frame_members))
    {
        my @all_nodes = xCAT::Utils::get_unique_members( @$nodes, @frame_members);
        $request->{node} = \@all_nodes;
    }
    # Set HW type to 'hmc' anyway, so that this command will not going to 
    # PPCfsp.pm
    # $request->{ 'hwtype'} = 'hmc';

    if( ! exists $opt{T} )
    {
        $opt{T} = "lpar"; #defaut value is lpar.
        #return( usage('Missing -T option. The value can be lpar or fnm.'));
    }
    
    if(  $opt{T} eq "lpar") {
        $opt{T} = 0;   
    } elsif($opt{T} eq "fnm") {
        $opt{T} = 1;   
    } else {
        return( usage('Wrong value of  -T option. The value can be lpar or fnm. The defaut value is lpar.'));
    }
 
    if( ! exists $opt{port} )
    {
        $opt{port} = "0";
    }

    if( $opt{port} ne "0" and $opt{port} ne "1")
    {
        return( usage('Wrong value of  --port option. The value can be 0 or 1, and the default value is 0.'));   
    }
    
    $ppctab->close();
    $nodetypetab->close();
    $vpdtab->close();
    
    $request->{method} = 'mkhwconn';
    return( \%opt);
}

####################################################
# Get frame members
####################################################
#ppc/vpd nodes cache
my @all_ppc_nodes;
my @all_vpd_nodes;
sub getFrameMembers
{
    my $node = shift; #this a BPA node
    my $vpdtab = shift;
    my $ppctab = shift;
    my @frame_members = ();
    my @bpa_nodes     = ();
    my $vpdhash = $vpdtab->getNodeAttribs( $node, [qw(mtm serial)]);
    my $mtm = $vpdhash->{mtm};
    my $serial = $vpdhash->{serial};
    if ( scalar( @all_vpd_nodes) == 0)
    {
        @all_vpd_nodes = $vpdtab->getAllNodeAttribs( ['node', 'mtm', 'serial']);
    }
    for my $vpd_node (@all_vpd_nodes)
    {
        if ( $vpd_node->{'mtm'} eq $mtm and $vpd_node->{'serial'} eq $serial)
        {
            push @frame_members, $vpd_node->{'node'};
            push @bpa_nodes, $vpd_node->{'node'};
        }
    }

    if ( scalar( @all_ppc_nodes) == 0)
    {
        @all_ppc_nodes = $ppctab->getAllNodeAttribs( ['node', 'parent']);
    }
    for my $bpa_node (@bpa_nodes)
    {
        for my $ppc_node (@all_ppc_nodes)
        {
            if ( $ppc_node->{parent} eq $bpa_node)
            {
                push @frame_members, $ppc_node->{'node'};
            }
        }
    }
    return \@frame_members;
}

##########################################################################
# Parse arguments for lshwconn  ---  This function isn't implemented and used.
##########################################################################
sub lshwconn_parse_args
{
    my $request = shift;
    my $args    = shift;
    my %opt = ();

    local *usage = sub {
        my $usage_string = xCAT::Usage->getUsage("lshwconn");
        return( [ $_[0], $usage_string] );
    };
#############################################
# Get options in command line
#############################################
    local @ARGV = ref($args) eq 'ARRAY'? @$args:();
    $Getopt::Long::ignorecase = 0;
    Getopt::Long::Configure( "bundling" );

    if ( exists $opt{s} )
    {
        my $opttmp = xCAT::PPCconn::lshwconn_parse_args($request, $args);
        return $opttmp;
    }
	
    if ( !GetOptions( \%opt, qw(V|verbose h|help T=s s) )) {
        return( usage() );
    }
    return usage() if ( exists $opt{h});
    
    if( ! exists $opt{T} )
    {
        $opt{T} = "lpar"; #defaut value is lpar.
        #return( usage('Missing -T option. The value can be lpar or fnm.'));
    }
    
    if(  $opt{T} eq "lpar") {
        $opt{T} = 0;   
    } elsif($opt{T} eq "fnm") {
        $opt{T} = 1;   
    } else {
        return( usage('Wrong value of  -T option. The value can be lpar or fnm. The defaut value is lpar.'));
    }
    

    #############################################
    # Process command-line arguments
    #############################################
    if ( scalar( @ARGV)) {
        return(usage( "No additional flag is support by this command" ));
    }
    my $nodetypetab = xCAT::Table->new('nodetype');
    if (! $nodetypetab)
    {
        return( ["Failed to open table 'nodetype'.\n"]);
    }
    my $nodehmtab = xCAT::Table->new('nodehm');
    if (! $nodehmtab)
    {
        return( ["Failed to open table 'nodehm'.\n"]);
    }
       
    my $nodetype;
    for my $node ( @{$request->{node}})
    {
        my $ent = $nodetypetab->getNodeAttribs( $node, [qw(nodetype)]);
        my $nodehm = $nodehmtab->getNodeAttribs( $node, [qw(mgt)]);
        if ( ! $ent) 
        {
            return( ["Failed to get node type for node $node.\n"]);
        }
        if ( ! $nodehm)
        {
            return( ["Failed to get nodehm.mgt value for node $node.\n"]);
        }
        if ( $ent->{nodetype} ne 'fsp' and $ent->{nodetype} ne 'cec'
                and $ent->{nodetype} ne 'bpa' and $ent->{nodetype} ne 'frame')
        {
            return( ["Node type $ent->{nodetype} is not supported for this command in FSPAPI\n"]);
        }
        if ( ! $nodetype)
        {
            $nodetype = $ent->{nodetype};
        }
        else
        {
            if ( $nodetype ne $ent->{nodetype})
            {
                return( ["Cannot support multiple node types in this command line.\n"]);
            }
        }
    }

    $nodetypetab->close();
    $nodehmtab->close();
    
    $request->{nodetype} = $nodetype;

    $request->{method} = 'lshwconn';
    return( \%opt);
}

##########################################################################
# Parse arguments for rmhwconn
##########################################################################
sub rmhwconn_parse_args
{
    my $request = shift;
    my $args    = shift;
    my %opt = ();

    local *usage = sub {
        my $usage_string = xCAT::Usage->getUsage("rmhwconn");
        return( [ $_[0], $usage_string] );
    };
    #############################################
    # Get options in command line
    #############################################
    local @ARGV = ref($args) eq 'ARRAY'? @$args:();
    $Getopt::Long::ignorecase = 0;
    Getopt::Long::Configure( "bundling" );

    if ( !GetOptions( \%opt, qw(V|verbose h|help T=s s) )) {
        return( usage() );
    }
    return usage() if ( exists $opt{h});

    if ( $opt{s} )
    {
        my $opttmp = xCAT::PPCconn::rmhwconn_parse_args($request, $args);
        return $opttmp;
    }	
	
    if( ! exists $opt{T} )
    {
        $opt{T} = "lpar"; #defaut value is lpar.
        #return( usage('Missing -T option. The value can be lpar or fnm.'));
    }
    
    if(  $opt{T} eq "lpar") {
        $opt{T} = 0;   
    } elsif($opt{T} eq "fnm") {
        $opt{T} = 1;   
    } else {
        return( usage('Wrong value of  -T option. The value can be lpar or fnm. The default value is lpar.'));
    }
    

    #############################################
    # Process command-line arguments
    #############################################
    if ( scalar (@ARGV)) {
        return(usage( "No additional flag is support by this command" ));
    }
    ##########################################
    # Check if CECs are controlled by a frame
    ##########################################
    my $nodes = $request->{node};
    my $ppctab  = xCAT::Table->new( 'ppc' );
    return( ["Failed to open table 'ppc'.\n"]) if ( ! $ppctab);
    my $nodetypetab = xCAT::Table->new( 'nodetype');
    return( ["Failed to open table 'nodetype'.\n"]) if ( ! $nodetypetab);
    my $vpdtab = xCAT::Table->new( 'vpd');
    return( ["Failed to open table 'vpd'.\n"]) if ( ! $vpdtab);
    my $nodehmtab = xCAT::Table->new('nodehm');
    return( ["Failed to open table 'nodehm'.\n"]) if (! $nodehmtab);
    my @bpa_ctrled_nodes = ();
    my @no_type_nodes    = ();
    my @frame_members    = ();
    for my $node ( @$nodes)
    {
        my $nodehm = $nodehmtab->getNodeAttribs( $node, [qw(mgt)]);
        if ( ! $nodehm)
        {
            return( ["Failed to get nodehm.mgt value for node $node.\n"]);
        }
        
	my $node_parent = undef;
        my $nodetype    = undef;
        my $nodetype_hash    = $nodetypetab->getNodeAttribs( $node,[qw(nodetype)]);
        my $node_parent_hash = $ppctab->getNodeAttribs( $node,[qw(parent)]);
        $nodetype    = $nodetype_hash->{nodetype};
        $node_parent = $node_parent_hash->{parent};
        if ( !$nodetype)
        {
            push @no_type_nodes, $node;
            next;
        }

        if ( ($nodetype eq 'fsp' or $nodetype eq 'cec') and 
                $node_parent and 
                $node_parent ne $node)
        {
            push @bpa_ctrled_nodes, $node;
        }

        if ( $nodetype eq 'bpa')
        {
             my $my_frame_bpa_cec = getFrameMembers( $node, $vpdtab, $ppctab);
            push @frame_members, @$my_frame_bpa_cec;
        }
        if ( $nodetype eq 'frame')
        {
            my $my_frame_bpa_cec = xCAT::DBobjUtils::getcecchildren($node);
            push @frame_members, @$my_frame_bpa_cec;
            push @frame_members, $node;
        }
    }

    if (scalar(@no_type_nodes))
    {
        my $tmp_nodelist = join ',', @no_type_nodes;
        return ( usage("Attribute nodetype.nodetype cannot be found for node(s) $tmp_nodelist"));
    }

    $ppctab->close();
    $nodetypetab->close();
    $vpdtab->close();
    $nodehmtab->close();

    #if (scalar(@bpa_ctrled_nodes))
    #{
    #    my $tmp_nodelist = join ',', @bpa_ctrled_nodes;
    #    return ( usage("Node(s) $tmp_nodelist is(are) controlled by BPA."));
    #}
    
    if ( scalar( @frame_members))
    {
        my @all_nodes = xCAT::Utils::get_unique_members( @$nodes, @frame_members);
        $request->{node} = \@all_nodes;
    }
    $request->{method} = 'rmhwconn';
    return( \%opt);
}


##########################################################################
# Create connection for CECs/BPAs
##########################################################################
sub mkhwconn
{
    my $request = shift;
    my $hash    = shift;
    #my $exp     = shift;
    #my $hwtype  = @$exp[2];
    my $opt     = $request->{opt};
    my @value   = ();
    my $Rc      = undef;
    my $tooltype= $opt->{T};
    
    
    for my $cec_bpa ( keys %$hash)
    {
        my $node_hash = $hash->{$cec_bpa};
        for my $node_name ( keys %$node_hash)
        {
            my $d = $node_hash->{$node_name};

            #my ( undef,undef,$mtms,undef,$type) = @$d;
            #my ($user, $passwd);
            #if ( exists $opt->{P})
            #{
            #    ($user, $passwd) = ('HMC', $opt->{P});
            #}
            #else
            #{
            #    ($user, $passwd) = xCAT::PPCdb::credentials( $node_name, $type,'HMC');
            #    if ( !$passwd)
            #    {
            #        push @value, [$node_name, "Cannot get password of userid 'HMC'. Please check table 'passwd' or 'ppcdirect'.",1];
            #        next;
            #    }

            #}

            my $res = xCAT::FSPUtils::fsp_api_action( $node_name, $d, "add_connection", $tooltype, $opt->{port} );
            $Rc = @$res[2];
	    if( @$res[1] ne "") {
                push @value, [$node_name, @$res[1], $Rc];
            }

        }
    }
    return \@value;
}
##########################################################################
# List connection status for CECs/BPAs through FSPAPI 
##########################################################################
sub lshwconn
{
    my $request = shift;
    my $hash    = shift;
    my $exp     = shift;
    my $hwtype  = @$exp[2];
    my $opt     = $request->{opt};
    my @value   = ();
    my $Rc      = undef;
    my $res    = undef;
    my $tooltype = $opt->{T};

    for my $cec_bpa ( keys %$hash)
    {
         my $node_hash = $hash->{$cec_bpa};
         for my $node_name (keys %$node_hash)
         {    
	      my $d = $node_hash->{$node_name};
	      my $action = "query_connection";
	      my $res = xCAT::FSPUtils::fsp_api_action ($node_name, $d, $action, $tooltype);
	      #print "in lshwconn:\n";
	      #print Dumper($res);
	      my $Rc = @$res[2];
	      my $values = @$res[1];
		     
	      ############################################
              # If lssysconn failed, put error into all
              # nodes' return values
              ############################################
          #if ( $Rc ) 
          #    {
          #          push @value, [$node_name, $values, $Rc];
          #          next;
          #     }
                  
           my @data_a = split("\n", $values);         
           foreach my $data(@data_a) {
	           if( $data =~ /state/) { 
	               $data =~ /state=([\w\s]+), type=([\w-]+), MTMS=([\w-\*]+), ([\w=]+), slot=([\w]+), ipadd=([\w.]+), alt_ipadd=([\w.]+)/ ;
	               #$data =~ /state=([\w\s]+),\(type=([\w-]+)\),\(serial-number=([\w]+)\),\(machinetype-model=([\w-]+)\),sp=([\w]+),\(ip-address=([\w.]+),([\w.]+)\)/ ;
	               print "parsing: $1,$2,$3,$4,$5,$6,$7\n";
	               my $state      = $1;
	               my $type       = $2;
	               my $mtms       = $3;
	               my $sp         = $4;
	               my $slot       = $5;
	               my $ipadd      = $6;
	               my $alt_ipaddr = $7;
	               $data = "$ipadd: $sp,ipadd=$ipadd,alt_ipadd=$alt_ipaddr,state=$state";
                }
             push @value, [$node_name, $data, $Rc];
          } 
       }
    } 


    return \@value;


}

##########################################################################
# Remove connection for CECs/BPAs to Hardware servers
##########################################################################
sub rmhwconn
{
    my $request = shift;
    my $hash    = shift;
    #my $exp     = shift;
    #my $hwtype  = @$exp[2];
    my $opt     = $request->{opt};
    my @value   = ();
    my $Rc      = undef;
    my $tooltype = $opt->{T};

    for my $cec_bpa ( keys %$hash)
    {
        my $node_hash = $hash->{$cec_bpa};
        for my $node_name (keys %$node_hash)
        {
            my $d = $node_hash->{$node_name};

            my ( undef,undef,undef,undef,$type) = @$d;

	    my $res = xCAT::FSPUtils::fsp_api_action( $node_name, $d, "rm_connection", $tooltype );
            $Rc = @$res[2];
	    if( @$res[1] ne "") {
                push @value, [$node_name, @$res[1], $Rc];
            }
 
        }
    }
    return \@value;
}

1;