#!/usr/bin/perl
#
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
# 	Yokogawa Electric Corporation.
# All rights reserved.
# 
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# by the user:
# 
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with
#    the distribution.
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# 3. Neither the names of the copyrighters, the name of the project
#    which is related to this software (hereinafter referred to as
#    "project") nor the names of the contributors may be used to
#    endorse or promote products derived from this software without
#    specific prior written permission.
# 
# 4. No merchantable use may be permitted without prior written
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#    the use of this software at any time.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHTERS, THE PROJECT AND
# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING
# BUT NOT LIMITED THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.  IN NO EVENT SHALL THE
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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#
# $TAHI: dhcpv6.p2/rfc3736/S_RFC3736_Creation-Transmission_Reply.seq,v 1.1 2007/02/20 08:53:36 hide 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);

# 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();
}

# 2 check Options
if (0 != options_exist(\%rep2, ($CMP_SID|$CMP_CID))){
	dhcpExitError("<B>The expected option is not exist</B><BR>");
}

# compare Options
if (0 != compare_options(\%ireq1, \%rep2, ($CMP_CID|$CMP_TRANS_ID))){
	dhcpExitError("<B>The value of option is different from expected value.</B><BR>");
}

my $identifier = $rep2{"Frame_Ether.Packet_IPv6.Upp_UDP.Udp_DHCPv6_Reply.Identifier"};
vLogHTML("<B> Identifier is $identifier </B><BR>");
if($identifier == 0){
	vLogHTML('<FONT COLOR="#FF0000">Identifier is not non-zero value.</FONT><BR>');
	dhcpExitFail;
}

# check unicast address
if ( $rep2{"Frame_Ether.Packet_IPv6.Hdr_IPv6.DestinationAddress"} != $ireq1{"Frame_Ether.Packet_IPv6.Hdr_IPv6.SourceAddress"}) {
        dhcpExitError("DHCPv6 Server not send Reply message via unicast.");
}else{
	vLogHTML("<B> Destination address is $rep2{\"Frame_Ether.Packet_IPv6.Hdr_IPv6.DestinationAddress\"} <B><BR>");
}
#-------------------------------------------------------------------
vLogHTML("<B><FONT COLOR=#006666>The Reply Message is correct</FONT></B><BR>");
#-------------------------------------------------------------------

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


#NOTREACHED

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

=head1 NAME

  S_RFC3736_Creation-Transmission_Reply.seq - Reply message transmission

=head1 TARGET

  Server

=head1 SYNOPSIS

=begin html
 <PRE>
 <A HREF="./S_RFC3736_Creation-Transmission_Reply.seq">S_RFC3736_Creation-Transmission_Reply.seq </A>[-tooloption ...]
 -pkt <A HREF="./S_RFC3736_Creation-Transmission_Reply.def">S_RFC3736_Creation-Transmission_Reply.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>
      <LI><STRONG>Verification Points</STRONG></LI>
    <PRE>
Destination address set to TN's unicast address same as the Information-request message's source adderess<BR><BR>
    <UL>
Reply Message Format
    <LI>msg-type</LI>
    <B>REPLY(7)</B>
    <LI>transaction-id</LI>
    <B>same as Information-request's transaction-id</B>
    <LI>options</LI>
    <LI>Server ID option</LI>
        Any
    <LI>Client ID option</LI>
    <B>same as Information-request's Client ID</B>
    </UL>
    </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(DNS Recursive Name Server option))
        | ----> | Reply (*1)
        |       | 
        |       | 
</PRE>

=end html

=head1 JUDGEMENT

<PRE>
(*1)PASS:  NUT returns the Reply message that is same as the description of verification points.
</PRE>

=head1 TERMINATION

  N/A

=head1 REFERENCE

=begin html
<PRE>
   See also RFC3315 
   17.2.3 and 18.2

   See also RFC3646 
   3 and 4

   see also RFC3736
   5.1. 5.2 adn 5.3
</PRE>

=end html

=head1 SEE ALSO

  perldoc V6evalTool

=cut