#!/usr/bin/perl
#
#Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
#	Yokogawa Electric Corporation.
#All rights reserved.
#
#Redistribution and use of this software in source and binary
#forms, with or without modification, are permitted provided that
#the following conditions and disclaimer are agreed and accepted
#by the user:
#
#1. Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
#
#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.
#
#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
#   notification to the copyrighters.
#
#5. The copyrighters, the project and the contributors may prohibit
#   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
#COPYRIGHTERS, THE PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
#INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
#(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
#SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
#HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
#STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
#IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
#POSSIBILITY OF SUCH DAMAGE.
#
#$Id: C_RFC3315_18_1_7_TransDecErrDetect.seq,v 1.2 2007/02/07 05:07:39 hide Exp $
###############################################################################
BEGIN{
	$V6evalTool::TestVersion = '$Name: DHCPv6_Self_Test_P2_1_0_14 $';
}
use strict;
use V6evalTool;

use lib '../.';
use DHCPv6_common;
use Client_pktdesc;

dhcpExitNS if(ChkFuncSupport('ADDRASSIGN') && ChkFuncSupport('DNS'));

#--------------------------------------------------------------#
# Initialization variables
#--------------------------------------------------------------#
my $IF0_NUT = $V6evalTool::NutDef{"Link0_device"};
my $IF0 = "Link0";
my $timeout = 20;
vCapture($IF0);
#--------------------------------------------------------------#
# Initialize DHCPv6 Client
#--------------------------------------------------------------#
my $ret = initial_ra_w_ping($IF0,'ra_server2_to_all');
if($ret == 0){
	vLogHTML('<FONT COLOR="#FF0000">Global Address of NUT is assigned by RA!</FONT><BR>');
	dhcpExitFail;
}

$ret = vRemote("dhcp6c.rmt", "start", "iana", "iaid=111111", "link0=$IF0_NUT");
if($ret != 0) {
	vLogHTML('<FONT COLOR="#FF0000">Cannot Initialize DHCPv6 Client program.</FONT><BR>');
	dhcpExitFail;
};
#--------------------------------------------------------------#
#1.  Wait until Solicit arrives 
#--------------------------------------------------------------#
my ($retsol,%sol) = wait_for_solicit($IF0,30) ;
if($retsol != 0){
	dhcpExitFail;
}
#vClear($IF0);
#--------------------------------------------------------------#
# 2. send Advertise message 
#--------------------------------------------------------------#
$SID_OPTION = "opt_SID_LLT_server1";
$IA_NA_OPTION = "opt_IA_NA_Addr_woStatus";
my ($retadv, %adv) = send_advertise($IF0, "advertise_server1_to_nut", \%sol, "");
if($retadv != 0){
	dhcpExitFail;
}
#--------------------------------------------------------------#
#3.  Wait until Request arrives 
#--------------------------------------------------------------#
my ($retreq,%req) = wait_for_request($IF0,30);
if($retreq != 0){
	dhcpExitFail;
}
vClear($IF0);
#--------------------------------------------------------------#
#4. send Reply message
#--------------------------------------------------------------#
$IA_NA_OPTION = "opt_IA_NA_Addr_woStatus";
$StatusCode_OPTION = "opt_StatusCode";
my ($retrep, %rep) = send_reply($IF0, "reply_server1_to_nut", \%req, "");
if($retrep !=0){
	dhcpExitFail;
}
# wait for DAD completion
my %ret = vRecv($IF0, 3, 0, 0, 'dadns_nutga');
if ($ret{"recvFrame"} ne "dadns_nutga"){
	vLogHTML("<B>NUT cannot send DAD packet</B><BR>");
	dhcpExitFail;
}
vSend($IF0, 'dadna_to_nutga');
vLogHTML("<B>NUT send DAD packet</B><BR>");
vClear($IF0);

#--------------------------------------------------------------#
#5. wait until Decline arrives
#--------------------------------------------------------------#
my ($retdec, %dec) = wait_for_decline($IF0, $timeout);
if($retdec != 0) {
	dhcpExitFail;
};
vClear($IF0);
#--------------------------------------------------------------#
#6. Test the usage of Address 
#--------------------------------------------------------------#
my $ret = ping_test($IF0);
if($ret == 0){
	vLogHTML("<FONT COLOR=\"#FF0000\">use the Declined address <FONT><BR>");
	dhcpExitFail;
}else{
	vLogHTML('<B> Released Address is not used</B><BR>');	
}
vClear($IF0);
vStop($IF0);
dhcpExitPass;
##NEED
###############################################################################
__END__

=head1 NAME 

  C_RFC3315_18_1_7_TransDecErrDetect.seq - Check Reachability of declined IP address

=head1 TARGET

  Client

=head1 SYNOPSIS

=begin html
<PRE>
  <A HREF="./C_RFC3315_18_1_7_TransDecErrDetect.seq"> C_RFC3315_18_1_7_TransDecErrDetect.seq</A> [-tooloption...] <BR>  -pkt  <A HREF="./C_RFC3315_18_1_7_TransDecErrDetect.def"> C_RFC3315_18_1_7_TransDecErrDetect.def</A> <BR>  -tooloption : v6eval tool option
<BR>
  See Also <A HREF="../DHCPv6.def"> DHCPv6.def </A> 
</PRE>

=end html

=head1 INITIALIZATION

=begin html
  <ul>
  <li><STRONG>Network Topology</STRONG></li> 
   <PRE>
          NUT(Client)
          |           
          |                        
Link0   --+--------+------------------------ 3ffe:501:ffff:100::/64
                   |
                   |          
                   TN(Server) 
   </PRE>
  </ul>
  <ul> 
  <li><STRONG>Verification Points</STRONG></li><br>
   <PRE>
   The client MUST NOT use any of the addresses it is declining as the
   source address in the Decline message or in any subsequently
   transmitted message.
   </PRE>
  </ul> 
  <ul>
  <li><STRONG>Configurations</STRONG></li><br>
   <BR>
    <TABLE BORDER="1">
    <TR>
    <TD><TT>Device Name</TT></TD>
    <TD><TT>Device Type</TT></TD>
    <TD><TT>Interface</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>Client</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>Server</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>
    </TABLE>
  </ul>

=end html

=head1 TEST PROCEDURE

=begin html
<PRE>
<BR>
       NUT      TN
        |       |
        |       | Initialize NUT (as a DHCPv6 Client)
        |       |
        | ----> |<B>Solicit</B> 
        | <---- |<B>Advertise</B>
        | ----> |<B>Request</B> 
        | <---- |<B>Reply</B>
        |       |
        |       | DAD Error
        |       |
        | ----> |<B>Decline</B> 
        | <---- |<B>Echo Request</B> 
        | ----> |<B>Echo Reply</B> (7*)
        |       |
</PRE>

=end html


=head1 JUDGEMENT

=begin html
<PRE>
<BR>  
  (7*)PASS: NUT does not send Echo Reply.
</PRE>

=end html

=head1 TERMINATION

=begin html
<PRE>
  N/A
</PRE>

=end html

=head1 REFERENCE

=begin html
<PRE>
  Also see RFC3315
<BR>
  18.1.6. Creation and Transmission of Decline Messages
</PRE>

=end html

=head1 SEE ALSO

=begin html
<PRE>
<BR>
  perldoc  V6evalTool
<BR>
</PRE>

=end html