#!/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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#$Id: C_RFC3315_14_CltMsgRetrans.seq,v 1.4 2007/02/08 10:48:06 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 $IF0 = "Link0";
vCapture($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($ret != 0) {
	vLogHTML('<FONT COLOR="#FF0000">Cannot Initialize DHCPv6 Client program.</FONT><BR>');
	dhcpExitFail;
};
#--------------------------------------------------------------#
#1.  Wait until Solicit arrives 
#--------------------------------------------------------------#
my ($retsol1,%sol1) = wait_for_solicit($IF0,30) ;
if($retsol1 != 0){
	dhcpExitFail;
}
#vClear($IF0);
#--------------------------------------------------------------#
#2.  Wait until retransmitted Solicit arrives 
#--------------------------------------------------------------#
my ($retsol2,%sol2) = wait_for_solicit($IF0,120) ;
if($retsol2 != 0){
	dhcpExitFail;
}
#--------------------------------------------------------------#
#Compare messages
#--------------------------------------------------------------#
$ret = compare_message(\%sol1,\%sol2);
if($ret!=0){
	dhcpExitFail;
}
vLogHTML("<B> Retransmittion Solicit message same as 1st Solicit message</B><BR>");

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

=head1 NAME 

  C_RFC3315_14_CltMsgRetrans.seq - Test for retransmission of DHCPv6 message 

=head1 TARGET

  Client

=head1 SYNOPSIS

=begin html
<PRE>
  <A HREF="./C_RFC3315_14_CltMsgRetrans.seq"> C_RFC3315_14_CltMsgRetrans.seq</A> [-tooloption...] <BR>  -pkt <A HREF="./C_RFC3315_14_CltMsgRetrans.def"> C_RFC3315_14_CltMsgRetrans.def</A> <BR>  -tooloption : v6eval tool option
  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>
   DHCP clients are responsible for reliable delivery of messages in the
   client-initiated message exchanges. If a DHCP client fails to receive
   an expected response from a server, the client must retransmit its 
   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>(1*)
        |       |
        |       |waiting until message arrives
        |       |
        |------>|<B>Solicit</B>(2*)
        |       |
</PRE>

=end html

=head1 JUDGEMENT

=begin html
<PRE>
  (2*)PASS: TN should receive Solicit from NUT, and the content of message 
            is same with that in (1*).  
</PRE>

=end html

=head1 TERMINATION

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

=end html

=head1 REFERENCE

=begin html
<PRE>
  Also see RFC3315
<BR>
  14. Reliability of Client Initiated Message Exchanges
<BR>
</PRE>

=end html

=head1 SEE ALSO

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

=end html