#!/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
#    "project") nor the names of the contributors may be used to
#    endorse or promote products derived from this software without
#    specific prior written permission.
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# 4. No merchantable use may be permitted without prior written
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# BUT NOT LIMITED THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# $TAHI: dhcpv6.p2/rfc3315/S_RFC3315_18.2.1_ReceiptRequestMsgWithStatusCodeOPNoAddrsAvail.seq,v 1.4 2008/11/14 13:10:02 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 $IF0 = "Link0";
#initial NUT config parameters,
# No address pool to assign;
my %NUT_Server_Config = (
	'if_nut0'=> "$V6evalTool::NutDef{Link0_device}",
	'init_opcode' => "vRemote(\"dhcp6s.rmt\", \"start\",\"link0=$V6evalTool::NutDef{Link0_device}\",\"startaddr=3ffe:501:ffff:100::10\",\"endaddr=3ffe:501:ffff:100::10\")"
);
dhcpSvrInit(\%NUT_Server_Config);
vClear($IF0);
#--------------------------------------------------------------#
# Main Procedure
#--------------------------------------------------------------#
vLogHTML('<B>==== Creation and Transmission of Advertise Messages(return NoAddrsAvail)  ====</B><BR>');

#-----------------------Client1---------------------------------#
# send DHCPv6 Solicit Message
$CID_OPTION = "opt_CID_LLT_client1";
$IA_NA_OPTION = "opt_IA_NA";
$ElapsedTime_OPTION = "opt_ElapsedTime";
my ($ret1, %sol1) = send_solicit($IF0, "solicit_client1_to_alldhcp", "");
dhcpExitFail() if (0 != $ret1);

# wait for DHCPv6 Advertise Message
my ($ret2, %adv2) = wait_for_advertise($IF0, 5);
dhcpExitFail() if (0 != $ret2);

# send DHCPv6 Request Message
$CID_OPTION = "opt_CID_LLT_client1";
$SID_OPTION = "opt_SID_ANY";
$IA_NA_OPTION = "opt_IA_NA";
$ElapsedTime_OPTION = "opt_ElapsedTime";
my ($ret3, %req3) = send_request($IF0, "request_client1_to_alldhcp", \%adv2, "");
dhcpExitFail() if (0 != $ret3);


# wait for DHCPv6 Reply Message
my ($ret4, %rep4) = wait_for_reply($IF0, 5);
dhcpExitFail() if (0 != $ret4);

#-----------------------Client2---------------------------------#
# send DHCPv6 Solicit Message
$CID_OPTION = "opt_CID_LLT_client2";
$IA_NA_OPTION = "opt_IA_NA1";
$ElapsedTime_OPTION = "opt_ElapsedTime";
$SID_OPTION = undef;
my ($ret5, %sol5) = send_solicit($IF0, "solicit_client2_to_alldhcp", "");
dhcpExitFail() if (0 != $ret5);

# wait for DHCPv6 Advertise Message
my ($ret6, %adv6) = wait_for_advertise($IF0, 5);
dhcpExitFail() if (0 != $ret6);

# send DHCPv6 Request Message
$CID_OPTION = "opt_CID_LLT_client2";
$SID_OPTION = "opt_SID_ANY";
$IA_NA_OPTION = "opt_IA_NA1";
$ElapsedTime_OPTION = "opt_ElapsedTime";
my ($ret7, %req7) = send_request($IF0, "request_client2_to_alldhcp", \%adv6, "");
dhcpExitFail() if (0 != $ret7);

# wait for DHCPv6 Reply Message
my ($ret8, %rep8) = wait_for_reply($IF0, 5);
dhcpExitFail() if (0 != $ret8);

# check existence of IA option
dhcpExitError("<B>NUT does not include IA option!</B>") if options_exist(\%rep8,$CMP_IA_NA);

# check existence and location of Status code option
dhcpExitError("<B>NUT does not include Status Code option in the IA_NA options.</B>")
	if option_exist(\%rep8,"Opt_DHCPv6_IA_NA.Opt_DHCPv6_StatusCode");

# check the value of status code
# NoAddrsAvail = 2;
my $result = check_statuscode(\%rep8,"Opt_DHCPv6_IA_NA.Opt_DHCPv6_StatusCode.StatusCode",$STATUS_CODE_NOADDRSAVAIL);
dhcpExitError("<B>The returned status code is not NoAddrsAvail.</B>") if ($result);

# check existence of IA_Address option
dhcpExitError("<B>The IA option includes invalid IA_Address option!</B>")
	unless option_exist(\%rep8,"Opt_DHCPv6_IA_NA.Opt_DHCPv6_IA_Address");

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

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

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

=head1 NAME

  S_RFC3315_18.2.1_ReceiptRequestMsgWithStatusCodeOPNoAddrsAvail.seq - respond when any address can't be assigned(w/ Status Code option/NoAddrsAvail)

=head1 TARGET

  Server

=head1 SYNOPSIS

=begin html
 <PRE>
 <A HREF="./S_RFC3315_18.2.1_ReceiptRequestMsgWithStatusCodeOPNoAddrsAvail.seq">S_RFC3315_18.2.1_ReceiptRequestMsgWithStatusCodeOPNoAddrsAvail.seq </A>[-tooloption ...]
 -pkt <A HREF="./S_RFC3315_18.2.1_ReceiptRequestMsgWithStatusCodeOPNoAddrsAvail.def">S_RFC3315_18.2.1_ReceiptRequestMsgWithStatusCodeOPNoAddrsAvail.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)      TN(Client2)  
             |                  |
Link0 -------+-----------+-------+-------- 3ffe:501:ffff:100::/64
                         |
                       NUT(Server1)
  </PRE>
  <UL>
      <LI><STRONG>Verification Points</STRONG></LI>
	<UL>
<PRE>
Reply Message for the Client2
	<LI>msg-type</LI>
	<B>REPLY(7)</B>
	<LI>transaction ID</LI>
	<B>Same as the Request message</B>
	<LI>Server ID option</LI>
	<B>Include Server's DUID</B>
	<LI>Client ID option</LI>
	<B>Same as the Request message</B>
	<LI>IA_NA option</LI>
	<UL><LI><B>Include Status Code option</B></LI>
		<B>value = NoAddrsAvail(2)</B>
		<B>Not include IA_NA option</B></UL>
	</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>
	</TR>
	<TR>
	<TD><TT>Client2</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:a3a3</TT></TD>
	<TD><TT>00:00:00:00:a3:a3</TT></TD>
	</TR>
	</TABLE>
	</BLOCKQUOTE>
<PRE>
Server can't assign any address to client according with the IA_NA in the  Request message.
</PRE>
</UL>

=end html

=head1 TEST PROCEDURE

=begin html
<PRE>
       NUT     TN
        |       | 
        |       | initialize NUT (as a DHCPv6 Server)
        |       | Client1
        | <---- | Solicit   
        | ----> | Advertise 
        | <---- | Request   
        | ----> | Reply 
        |       | 
        |       | Client2
        | <---- | Solicit   
        | ----> | Advertise 
        | <---- | Request   
        | ----> | Reply (w/ Status Code option ,IA_NA option)(*1)
        |       | 
</PRE>

=end html

=head1 JUDGEMENT

<PRE>
(*1) PASS: The messages must exchanged correctly.
           NUT must respond with Reply message.
	   The Reply message must have IA_NA option in which there is a Status Code option with NoAddrsAvail.
</PRE>

=head1 TERMINATION

  N/A

=head1 REFERENCE

=begin html
<PRE>
   see also RFC3315
   18 DHCP Client-Initiated Configuration Exchange
   18.2.1 Receipt of Request Messages
</PRE>

=end html

=head1 SEE ALSO

  perldoc V6evalTool

=cut