#!/usr/bin/perl
#
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# 	Yokogawa Electric Corporation.
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# $TAHI: dhcpv6.p2/rfc3736/R_RFC3736_3_MultiRelayReplyRepMsg.seq,v 1.5 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";
my $IF1 = "Link1";

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}\",\"clientunicast=$NUTRELAY1_LINK1_GLOBAL_UCAST\",\"servermulticast\")"
);

dhcpRelayInit(\%NUT_Relay_Config);

# Need add the Relay-forward Message
# Relay 2 --> NUT(Information-request)
$CID_OPTION = "opt_CID_LLT_client1";
$ElapsedTime_OPTION = "opt_ElapsedTime";
$OptionRequest_OPTION = "opt_ORO_dns_servers";
# Send  the Relay_Forward message(Information-request)
my($ret1, %rfinf1) = send_relay_forward($IF1,"relayforward_information_relay2_to_nut");
dhcpExitFail if (0!=$ret1);


# wait for DHCPv6 Relay reforward Message(Information-request)
my ($ret2, %rfinf2) =  wait_for_relay_forward($IF0, 5,"relay_forward_nut_server");
if (0 != $ret2){
 	dhcpExitError("NG: The message have not be relayed");
}


# Send the Relay Reply Messge(Reply)
$CID_OPTION = "opt_CID_LLT_client1";
$SID_OPTION = "opt_SID_LLT_server1";
my $cpp = '';
$ElapsedTime_OPTION = undef;
$OptionRequest_OPTION = undef;
$DNS_SVR_OPTION = "opt_DNS_Name_Server1";
my ($ret3, %rrrep3) = send_relay_reply($IF0,"relay_reply_server1_to_client1_2relay",\%rfinf2,,$cpp);
dhcpExitFail if(0 != $ret3);


# Receive the Reply Message from $IF1
my ($ret4, %rep4) = wait_for_relay_reply_reply($IF1,5,"relay_reply_relay1_relay2");
dhcpExitFail if(0 != $ret4);


if(0 != chkMsgAfterRelay(\%rep4,\%rrrep3)){
	dhcpExitError("NG: The Relay-reply message can\'t be correctly relayed!");
}

my $peeraddress =$rrrep3{"Frame_Ether.Packet_IPv6.Upp_UDP.Udp_DHCPv6_RelayReply.PeerAddr"};
my $dstaddress =$rep4{"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_RFC3736_3_MultiRelayReplyRepMsg.seq - Relay-Reply Reply message transmission through the layered Relay agents for DNS Recursive Name Server option

=head1 TARGET

  Relay agent

=head1 SYNOPSIS

=begin html
 <PRE>
 <A HREF="./R_RFC3736_3_MultiRelayReplyRepMsg.seq">R_RFC3736_3_MultiRelayReplyRepMsg.seq </A>[-tooloption ...]
 -pkt <A HREF="./R_RFC3736_3_MultiRelayReplyRepMsg.def">R_RFC3736_3_MultiRelayReplyRepMsg.seq </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)
                              |
Link2 -------------+----------+---------------------3ffe:501:ffff:102::/64
                   |                       
                   |                       
             TN(Relay2)
                   |                       
                   |                       
Link1 -------------+-----------------------+-------- 3ffe:501:ffff:101::/64
                                           |
                                           |
                                     NUT(Relay1)
                                           |
                                           |
Link0 ------------------------+------------+-------- 3ffe:501:ffff:100::/64
                              |
                           TN(Server1)
  </PRE>
  <UL>
      <LI><STRONG>Verification Points</STRONG></LI>
        <PRE><B>Relay-reply Message 2</B>
        <UL>
	<LI>msg-type</LI>
	<B>RELAY-REPLY</B>
	<LI>hop-count</LI>
	<B>0</B>
	<LI>link-address</LI>
	<B>Rleay2's address (Link2)</B>       
	<LI>peer-address</LI>
	<B>Client1's addess</B>       
	<LI>Relay Message option</LI>
	<B>Reply Message with DNS Recursive Name Server option</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>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>Relay2</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:a7a7</TT></TD>
	<TD><TT>00:00:00:00:a7:a7</TT></TD>
	</TR>
	<TR>
	<TD><TT>Client1</TT></TD>
	<TD><TT>TN</TT></TD>
	<TD><TT>Link2</TT></TD>
	<TD><TT>3ffe:501:ffff:102::/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)TN(Relay2) NUT(Relay1) TN(Server1)
	        |       |           |              |
	        | ----> |           |              |Information-request w/ ORO(DNS Recursive Name Server option
	        |       | ----->    |              |Relay-forward(Information-request w/ ORO(DNS Recursive Name Server option)
	        |       |           |  ------->    |Relay-forward(Information-request w/ ORO(DNS Recursive Name Server option)
	        |       |           |  <------     |Relay-reply Message1(Relay-reply/Reply w/ DNS Recursive Name Server option)  (*1)
	        |       | <----     |              |Relay-reply Message2(Reply w/ DNS Recursive Name Server option)  (*2)
	        |       |           |              |
</PRE>

=end html

=head1 JUDGEMENT

<PRE>
 (*1)(*2) PASS: NUT converts the Relay-reply message correctly.
</PRE>

=head1 TERMINATION

  N/A

=head1 REFERENCE

=begin html
<PRE>
   see also RFC3315
   5.2. UDP Ports
   see also RFC3646
   3. DNS Recursive Name Server option
   see also RFC3736
   5.1.  Messages Required for Stateless DHCP Service
</PRE>

=end html

=head1 SEE ALSO

  perldoc V6evalTool

=cut