#!/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/rfc3736/S_RFC3736_Relay-replyThSameRelayAgent.seq,v 1.1 2007/02/20 11:55:45 hide Exp $
########################################################################
BEGIN { $V6evalTool::TestVersion = '$Name: DHCPv6_Self_Test_P2_1_0_13 $';
}

use strict;
use V6evalTool;

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

dhcpExitNS if ChkFuncSupport('STATELESSDHCP');

#Prompt Strings define
my $strErrDest = 'NG: The Destination address of Relay-reply Message is not correctly!';

#--------------------------------------------------------------#
# 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\",\"link0=$V6evalTool::NutDef{Link0_device}\",\"stateless\",\"dns=3ffe:501:ffff:100:200:ff:fe00:3f3e\",\"valduid=$DUID_CLIENT\")"
);

dhcpSvrInitS(\%NUT_Server_Config);
vClear($IF0);
#--------------------------------------------------------------#
# Main Procedure
#--------------------------------------------------------------#
vLogHTML('<B>==== Creation and Transmission of Relay Reply Messages #1  ====</B><BR>');


# set Options
$CID_OPTION = "opt_CID_LLT_client1";
$OptionRequest_OPTION = "opt_ORO_dns_servers";
$ElapsedTime_OPTION = "opt_ElapsedTime";
# send DHCPv6 Relay Forward Message(information-request)
my($ret1, %rfsol1) = send_relay_forward($IF0, "relayforward_infomationrequest_client1_to_alldhcp_relay1");
 if (0 != $ret1){
 	dhcpExitFail();
 }

# wait for DHCPv6 Relay Reply Message(reply)
my ($ret2, %rrrep2) =  wait_for_relay_reply_reply($IF0, 5);
if (0 != $ret2){
	dhcpExitFail();
}


 # check Destination (eq  Relay 1)
if( $rrrep2{'Frame_Ether.Packet_IPv6.DestinationAddress'} ne $rfsol1{'Frame_Ether.Packet_IPv6.SourceAddress'}){
	dhcpExitError("$strErrDest");
}

# set Options
$CID_OPTION = "opt_CID_LLT_client1";
$OptionRequest_OPTION = "opt_ORO_dns_servers";
$ElapsedTime_OPTION = "opt_ElapsedTime";
# send DHCPv6 Relay Forward Message(information-request)
my($ret3, %rfsol3) = send_relay_forward($IF0, "relayforward_infomationrequest_client1_to_alldhcp_relay2");
 if (0 != $ret3){
 	dhcpExitFail();
 }

# wait for DHCPv6 Relay Reply Message(reply)
my ($ret4, %rrrep4) =  wait_for_relay_reply_reply($IF0, 5,"relay_reply_nut_relay2_0");
if (0 != $ret4){
	dhcpExitFail();
}

# check Destination (eq  Relay 2)
if( $rrrep4{'Frame_Ether.Packet_IPv6.DestinationAddress'} ne $rfsol3{'Frame_Ether.Packet_IPv6.SourceAddress'}){
	dhcpExitError("$strErrDest");
}
#-------------------------------------------------------------------
vLogHTML("<B><FONT COLOR=#006666>The Message exchange is correct</FONT></B><BR>");
#-------------------------------------------------------------------

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

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

=head1 NAME

  S_RFC3736_Relay-replyThSameRelayAgent.seq - Relay-Reply message transmission

=head1 TARGET

  Server

=head1 SYNOPSIS

=begin html
 <PRE>
 <A HREF="./S_RFC3736_Relay-replyThSameRelayAgent.seq">S_RFC3736_Relay-replyThSameRelayAgent.seq </A>[-tooloption ...]
 -pkt <A HREF="./S_RFC3736_Relay-replyThSameRelayAgent.def">S_RFC3736_Relay-replyThSameRelayAgent.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
                   |                       |
                   |                       |
                   |                       |
             TN(Relay1)                 TN(Relay2)
                   |                       |
                   |                       |
Link0 -------------+----------+------------+-------- 3ffe:501:ffff:100::/64
                              |
                           NUT(Server1)
  </PRE>
  <UL>
      <LI><STRONG>Verification Points</STRONG></LI>
          <UL>
          <PRE>
NUT's Message 
The Relay-reply message will be relayed  through <B>the same relay agent(TN) </B>
that received the message from the client.
          </PRE>
          </UL>
  </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:101::/64</TT></TD>
	<TD><TT>fe80::200:ff:fe00:a2a2</TT></TD>
	<TD><TT>00:00:00:00:a2:a2</TT></TD>
	</TR>
	<TR>
	<TD><TT>Relay1(Link0)</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:a4a4</TT></TD>
	<TD><TT>00:00:00:00:a4:a4</TT></TD>
	</TR>
	<TR>
	<TD><TT>Relay2(Link0)</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:a7a7</TT></TD>
	<TD><TT>00:00:00:00:a7:a7</TT></TD>
	</TR>
	</TABLE>
	</BLOCKQUOTE>
  </UL>

=end html

=head1 TEST PROCEDURE

=begin html
<PRE>
	    TN(Client1) TN(Relay1) NUT(Server1)
	        |       |         |
	        | ----> |         |Information-request
	        |       | ----->  |Relay-forward(Information-request)
	        |       | <----   |Relay-reply(Reply)  (*1)
	        | <---- |         |Reply
	        |       |         |
					wait for 5s<BR>
	    TN(Client1) TN(Relay2)NUT(Server1)
	        |       |         |
	        | ----> |         |Information-request
	        |       | ----->  |Relay-forward(Information-request)
	        |       | <----   |Relay-reply(Reply)  (*2)
	        | <---- |         |Reply
	        |       |         |
</PRE>

=end html

=head1 JUDGEMENT

<PRE>
(*1)(*2)PASS: NUT should send the Relay-reply message to the Relay agent
              has sent the Relay-forward message.
</PRE>

=head1 TERMINATION

  N/A

=head1 REFERENCE

=begin html
<PRE>
   See also RFC3315 
   20.3

   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