#!/usr/bin/perl # #Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 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. # #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_5_InfRetransMRT.seq,v 1.13 2006/03/14 01:16:26 mnaoki Exp $ ############################################################################### BEGIN{ $V6evalTool::TestVersion = '$Name: DHCPv6_1_0 $'; } use strict; use V6evalTool; use DHCPv6_common; use Client_pktdesc; #--------------------------------------------------------------# # Initialization variables #--------------------------------------------------------------# my $IF0_NUT = $V6evalTool::NutDef{"Link0_device"}; my $IF0 = "Link0"; my ($pretime, $nextime, $interval) = (0, 0, 0); #my $timeout = 2*$INF_MAX_RT; my $IRT = $INF_TIMEOUT; #--------------------------------------------------------------# # Initialize DHCPv6 Client #--------------------------------------------------------------# my $ret = vRemote("dhcp6c.rmt","start","inforeq","link0=$IF0_NUT"); if($ret != 0) { vLogHTML('Cannot Initialize DHCPv6 Client program.
'); dhcpExitFail; }; vCapture($IF0); #--------------------------------------------------------------# # 1. Capture Information-request #--------------------------------------------------------------# my ($retinf1, %inf1) = wait_for_information_request($IF0, 30); $pretime = getElapsedtime(\%inf1); if($retinf1 != 0){ dhcpExitFail; } vClear($IF0); #--------------------------------------------------------------# # 2. Wait until retransmitted message arrives #--------------------------------------------------------------# my $timeout = 0; my ($retinf2, %inf2) = (1, ()); while(check_equal($interval,$INF_MAX_RT,$RAND)){ if($interval > 0){ $timeout = (2 + $RAND) * $interval; }else{ $timeout = (1 + $RAND) * $IRT; } ($retinf2, %inf2) = wait_for_information_request($IF0, $timeout); if($retinf2 != 0){ dhcpExitFail; } $nextime = getElapsedtime(\%inf2); $interval = $nextime - $pretime; $pretime = $nextime; vClear($IF0); vLogHTML("RT = $interval
"); } $ret = compare_message(\%inf1,\%inf2); if($ret != 0){ vLogHTML('Message has been changed!
'); dhcpExitFail; }; dhcpExitPass; ############################################################################### __END__ =head1 NAME C_RFC3315_18_1_5_InfRetransMRT.seq - Check MRT of Information-request =head1 TARGET Client =head1 SYNOPSIS =begin html 
   C_RFC3315_18_1_5_InfRetransMRT.seq [-tooloption...] 
  -pkt   C_RFC3315_18_1_5_InfRetransMRT.def 
  -tooloption : v6eval tool option


  See Also  DHCPv6.def
=end html =head1 INITIALIZATION =begin html =end html =head1 TEST PROCEDURE =begin html 


       NUT      TN
        |       | 
        |       |Initialize NUT(as a DHCPv6 client)
        |       |NUT transmits Information-request  
        |       |
        | ----> |Information-request 
        |       |
        .       .Repeat retransmission until RT=MRT + RAND*MRT
        |       |
        | ----> |Information-request (2*)
        |       |
        |       |
=end html =head1 JUDGEMENT =begin html 
  (2*)PASS: NUT retransmits Information-request.
            And RT = MRT + RAND*MRT
=end html =head1 TERMINATION =begin html 
  N/A
=end html =head1 REFERENCE =begin html 
  Also see RFC3315

  
  18.1.5. Creation and Transmission of Information-request Messages
=end html =head1 SEE ALSO =begin html 


  perldoc  V6evalTool
=end html