#!/usr/bin/perl
#
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
# 	Yokogawa Electric Corporation.
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#    which is related to this software (hereinafter referred to as
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# $TAHI: dhcpv6.p2/rfc3646/R_RFC3646_3_RelayReplyRepMsg.seq,v 1.2 2008/10/30 02:32:31 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('ADDRASSIGN') && ChkFuncSupport('DNS'));

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

vLogHTML('<B>==== NUT Initialization ====</B><BR>');
my $IF0 = "Link0";
my $IF1 = "Link1";

#initial NUT config parameters,
my %NUT_Relay_Config = (
			'if_nut0'=> "$V6evalTool::NutDef{Link0_device}",
			'if_nut1' => "$V6evalTool::NutDef{Link1_device}",
#			'if_add0' => "$NUTRELAY1_LINK0_GLOBAL_UCAST",
#			'if_add1' => "$NUTRELAY1_LINK1_GLOBAL_UCAST",
#			'if_length0' => "64",
#			'if_length1' => "64",
#			'if_type0'=> "unicast",
#			'if_type1'=> "unicast",
			'init_opcode' => "vRemote(\"dhcp6r.rmt\", \"start\",\"link0=$V6evalTool::NutDef{Link0_device}\",\"link1=$V6evalTool::NutDef{Link1_device}\",\"servermulticast\",\"clientmulticast\")"
			);

dhcpRelayInit(\%NUT_Relay_Config);


# set Options
$CID_OPTION = "opt_CID_LLT_client1";
$IA_NA_OPTION = "opt_IA_NA";
$ElapsedTime_OPTION = "opt_ElapsedTime";
$OptionRequest_OPTION = "opt_ORO_dns_servers";
my($ret1, %sol1) = send_solicit($IF1, "solicit_client1_to_alldhcp",undef);
dhcpExitFail if(0 != $ret1);

# Receive the Relay_Forward message(Solicit)
my($ret2, %rfsol2) = wait_for_relay_forward_solicit($IF0,5);
 if (0 != $ret2){
 dhcpExitFail();
 } 

# Send the Relay Reply Messge(Advertise)
$CID_OPTION = "opt_CID_LLT_client1";
$SID_OPTION = "opt_SID_LLT_server1";
$IA_NA_OPTION = "opt_IA_NA_Addr_Relay";
$ElapsedTime_OPTION = undef;
$OptionRequest_OPTION = undef;
$DNS_SVR_OPTION = "opt_DNS_Name_Server1";
my ($ret3, %rradv3) = send_relay_reply($IF0,"relay_advertise_server1_to_client1_1relay",\%rfsol2,undef);
dhcpExitFail if(0 != $ret3);


# Receive the Advertise Message from $IF1
my ($ret4, %adv4) = wait_for_advertise($IF1,5);
dhcpExitFail if(0 != $ret4);


$CID_OPTION = "opt_CID_LLT_client1";
$IA_NA_OPTION = "opt_IA_NA";
$ElapsedTime_OPTION = "opt_ElapsedTime";
$DNS_SVR_OPTION = undef;
$OptionRequest_OPTION = "opt_ORO_dns_servers";
my ($ret5, %req5) = send_request($IF1, "request_client1_to_alldhcp",\%adv4,undef);
dhcpExitFail if (0!=$ret5);

#Receive the Relay_Forward message(Request)
my($ret6, %rfreq6) = wait_for_relay_forward_request($IF0,5);
if(0 != $ret6){
dhcpExitFail();
}

# Send the Relay-reply message(Reply)
$CID_OPTION = "opt_CID_LLT_client1";
$SID_OPTION = "opt_SID_LLT_server1";
$IA_NA_OPTION = "opt_IA_NA_Addr_Relay";
$ElapsedTime_OPTION = undef;
$OptionRequest_OPTION = undef;
$DNS_SVR_OPTION = "opt_DNS_Name_Server1";
my ($ret7, %rrrep7) = send_relay_reply($IF0,"relay_reply_server1_to_client1_1relay",\%rfreq6,undef);
dhcpExitFail if(0 != $ret7);


#Client1 Receive the Reply message
my ($ret8, %rep8) = wait_for_reply($IF1,5);
dhcpExitFail if(0 != $ret8);

if(0 != chkMsgAfterRelay(\%rep8,\%rrrep7)){
	dhcpExitError("NG: The Relay-reply message can\'t be correctly relayed!");
}

my $peeraddress =$rrrep7{"Frame_Ether.Packet_IPv6.Upp_UDP.Udp_DHCPv6_RelayReply.PeerAddr"};
my $dstaddress =$rep8{"Frame_Ether.Packet_IPv6.Hdr_IPv6.DestinationAddress"};

if($peeraddress ne $dstaddress){
	dhcpExitError("NG: Destination address is not same as peer-address!");
}
vLogHTML("<B>Checking the destination address is passed.</B><BR>");

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




#NOTREACHED

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

=head1 NAME

  R_RFC3646_3_RelayReplyRepMsg.seq - Reply message transmission for DNS Recursive Name Server option

=head1 TARGET

  Relay agent

=head1 SYNOPSIS

=begin html
 <PRE>
 <A HREF="./R_RFC3646_3_RelayReplyRepMsg.seq">R_RFC3646_3_RelayReplyRepMsg.seq </A>[-tooloption ...]
 -pkt <A HREF="./R_RFC3646_3_RelayReplyRepMsg.def">R_RFC3646_3_RelayReplyRepMsg.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)
                |
Link1 ----------+----------+--------------- 3ffe:501:ffff:101::/64
                           |
                         NUT(Relay1)
                           |
Link0 ---------------------+----------+---- 3ffe:501:ffff:100::/64
                                      |
                                 TN(Server1)
  </PRE>
  <ul>
      <li><STRONG>Verification Points</STRONG><p>
          <ul>
          <PRE>
NUT's Message Format
<li>NUT will relay the Relay-reply message with DNS Recursive Name Server option and only relay 
<b>the DHCP-relay message(Reply)</b> part of relay message option.</li>
          </PRE>
          </ul>
  </ul>
  <ul>
      <li><STRONG>Configuration</STRONG></li>
          <ul>
          <PRE>
TN(Server1)'s Relay-reply Message 
      <li>msg-type</li>
          <b>RELAY-REPL(13)</b>
      <li>hop-count</li>
	  <b>Any</b>
      <li>link-address</li>
          <b>A global or site-scoped address with a prefix assigned to the link</b>
      <li>peer-address</li>
          <b>Any</b>
      <li>options</li>
          <b>Relay Message option</b>
	  <b>DHCP-relay-message = Reply w/with DNS Recursive Name Server option</b>
          </ul>
          </PRE>
          </ul>
	<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>Relay1(Link0)</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(Link0)</TT></TD>
	<TD><TT>NUT's MAC address(Link0)</TT></TD>
	</TR>
	<TR>
	<TD><TT>Relay1(Link1)</TT></TD>
	<TD><TT>NUT</TT></TD>
	<TD><TT>Link1</TT></TD>
	<TD><TT>3ffe:501:ffff:101::/64</TT></TD>
	<TD><TT>NUT's Linklocal address(Link1)</TT></TD>
	<TD><TT>NUT's MAC address(Link1)</TT></TD>
	</TR>
	<TR>
	<TD><TT>Server1</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:a1a1</TT></TD>
	<TD><TT>00:00:00:00:a1:a1</TT></TD>
	</TR>
	<TR>
	<TD><TT>Client1</TT></TD>
	<TD><TT>TN</TT></TD>
	<TD><TT>Link1</TT></TD>
	<TD><TT>3ffe:501:ffff:101::/64</TT></TD>
	<TD><TT>fe80::200:ff:fe00:a2a2</TT></TD>
	<TD><TT>00:00:00:00:a2:a2</TT></TD>
	</TR>
	</TABLE>
	</BLOCKQUOTE>
  </ul>

=end html

=head1 TEST PROCEDURE

=begin html
<PRE>
	    TN(Client1) NUT(Relay1)TN(Server1)
	        |       |         |
	        | ----> |         |	Solicit w/ ORO(DNS Recursive Name Server option)
	        |       | ----->  |	Relay-forward(Solicit w/ ORO(DNS Recursive Name Server option)
	        |       | <----   |	Relay-reply(Advertise w/ DNS Recursive Name Server option) 
	        |<----  |         |	Advertise w/ DNS Recursive Name Server option 
	        |---->  |         |	Request w/ ORO(DNS Recursive Name Server option)
	        |       | ---->   |	Relay-forward(Request w/ ORO(DNS Recursive Name Server option))
	        |       | <----   |	Relay-reply(Reply w/ DNS Recursive Name Server option)  (*1)
	        |<----  |         |	Reply w/ DNS Recursive Name Server option              
	        |       |         |
</PRE>

=end html

=head1 JUDGEMENT

<PRE>
(*1)PASS: NUT will receive the Relay-reply message and relay it to the client.
</PRE>

=head1 TERMINATION

  N/A

=head1 REFERENCE

=begin html
<PRE>
  see also RFC3315
  20.2. Relaying a Relay-reply Message
  see also RFC3646
  3. DNS Recursive Name Server option
</PRE>

=end html

=head1 SEE ALSO

  perldoc V6evalTool

=cut