#!/usr/bin/perl
#
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# $TAHI: dhcpv6.p2/rfc3736/S_RFC3736_UDPPorts.seq,v 1.3 2008/10/30 02:32:32 ozoe Exp $
########################################################################
BEGIN { $V6evalTool::TestVersion = '$Name: DHCPv6_Self_Test_P2_1_0_14 $';
}

use strict;
use V6evalTool;

use lib '../.';
use DHCPv6_common;
use Server_pktdesc;

dhcpExitNS if ChkFuncSupport('STATELESSDHCP');

#--------------------------------------------------------------#
# Initialization
#--------------------------------------------------------------#

vLogHTML('<B>==== NUT Initialization ====</B><BR>');
my $IF0 = "Link0";
#initial NUT config parameters,
my %NUT_Server_Config = (
	'if_nut0'=> "$V6evalTool::NutDef{Link0_device}",
	'init_opcode' => "vRemote(\"dhcp6s.rmt\", \"start\",\"dns=3ffe:501:ffff:100:200:ff:fe00:3f3e\",\"stateless\",\"link0=$V6evalTool::NutDef{Link0_device}\")"
);

dhcpSvrInitS(\%NUT_Server_Config);
vClear($IF0);

# 1 send DHCPv6 Information-request  Message
$CID_OPTION = "opt_CID_LLT_client1";
$OptionRequest_OPTION = "opt_ORO_dns_servers";
$ElapsedTime_OPTION = "opt_ElapsedTime";
my ($ret1, %ireq1) = send_information_request($IF0, "information_request_client1_to_alldhcp", undef, "");
if (0 != $ret1){
	dhcpExitFail();
}

# wait for DHCPv6 Reply Message
my ($ret2, %rep2) = wait_for_reply($IF0, 5);
if (0 != $ret2){
	dhcpExitFail();
}

# Check the "UDP port" field in the Reply Message
my $UdpPort = $rep2{"Frame_Ether.Packet_IPv6.Upp_UDP.Hdr_UDP.DestinationPort"};
vLogHTML("The Destination Port is $UdpPort<BR>");

vLogHTML("<B>Reply destination UDP port number is $UdpPort  </B><BR>");

if ($LISTEN_UDPPORT_CLT !=  $UdpPort){
	dhcpExitError("The message sent by NUT has invalid destination.");
}

#-------------------------------------------------------------------
vLogHTML("<B><FONT COLOR=#006666>The Message exchange is correct</FONT></B><BR>");
#-------------------------------------------------------------------

vClear($IF0);
vStop($IF0);
dhcpExitPass(); 

#NOTREACHED

########################################################################
__END__

=head1 NAME

  S_RFC3736_UDPPorts.seq - Valid UDP port

=head1 TARGET

  Server

=head1 SYNOPSIS

=begin html
 <PRE>
 <A HREF="./S_RFC3736_UDPPorts.seq">S_RFC3736_UDPPorts.seq </A>[-tooloption ...]
 -pkt <A HREF="./S_RFC3736_UDPPorts.def">S_RFC3736_UDPPorts.def </A>
 -tooloption: v6eval tool option
See Also <A HREF="../DHCPv6.def"> DHCPv6.def </A>
 </PRE>

=head1 INITIALIZATION

=begin html
  <UL>
  <LI><STRONG>Network Topology</STRONG></LI>
  </UL>
  <PRE>
          TN(Client1)  
             |
Link0 -------+-----------+--------------- 3ffe:501:ffff:100::/64
                         |
                       NUT(Server1)
  </PRE>
  <UL>
          <PRE>The destination UDP port of packet sent by server is <B> 546.</B></PRE>
  </UL>
  <UL>
      <LI><STRONG>Configuration</STRONG></LI>
	<BLOCKQUOTE>
	<TABLE BORDER>
	<TR>
	<TD><TT>Device Name</TT></TD>
	<TD><TT>Device Type</TT></TD>
	<TD><TT>I/F</TT></TD>
	<TD><TT>Assigned Prefix</TT></TD>
	<TD><TT>Link Local Addr</TT></TD>
	<TD><TT>MAC Addr</TT></TD>
	</TR>
	<TR>
	<TD><TT>Server1</TT></TD>
	<TD><TT>NUT</TT></TD>
	<TD><TT>Link0</TT></TD>
	<TD><TT>3ffe:501:ffff:100::/64</TT></TD>
	<TD><TT>NUT's Linklocal address</TT></TD>
	<TD><TT>NUT's MAC address</TT></TD>
	</TR>
	<TR>
	<TD><TT>Client1</TT></TD>
	<TD><TT>TN</TT></TD>
	<TD><TT>Link0</TT></TD>
	<TD><TT>3ffe:501:ffff:100::/64</TT></TD>
	<TD><TT>fe80::200:ff:fe00:a2a2</TT></TD>
	<TD><TT>00:00:00:00:a2:a2</TT></TD>
	</TABLE>
	</BLOCKQUOTE>
	</UL>
</UL>

=end html

=head1 TEST PROCEDURE

=begin html
<PRE>
       NUT     TN
        |       | 
        |       | initialize NUT (as a stateless DHCPv6 Server)
        |       | 
        | <---- | Information-request(w/ Option Request option)
        | ----> | Reply
        |       | 
        |       | 
</PRE>

=end html

=head1 JUDGEMENT

<PRE>
(*1) PASS: TN receives Reply Message with a correct destination UDP port (not checking the options in Reply Message)
</PRE>

=head1 TERMINATION

  N/A

=head1 REFERENCE

=begin html
<PRE>
    see also RFC3315
    5.2. UDP Ports

    see also RFC3736
    5.1, 5.2 and 5.3
</PRE>

=end html

=head1 SEE ALSO

  perldoc V6evalTool

=cut