#!/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_17_1_2_SolRetransMRT.seq,v 1.13 2006/03/14 01:16:23 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) = (0, 0); my $interval = 0; my $IRT = $SOL_TIMEOUT; #--------------------------------------------------------------# # Initialize DHCPv6 Client #--------------------------------------------------------------# my $ret = vRemoteAsync("dhcp6c.rmt", "start", "link0=$IF0_NUT"); if($ret != 0){ vLogHTML('Cannot Initialize DHCPv6 Client program!
'); vRemoteAsyncWait(); dhcpExitFail; }; vCapture($IF0); #--------------------------------------------------------------# #1. Wait until Solicit arrives #--------------------------------------------------------------# my ($retsol1,%sol1) = wait_for_solicit($IF0,$SOL_MAX_RT); $pretime = getElapsedtime(\%sol1); if($retsol1 != 0){ vRemoteAsyncWait(); dhcpExitFail; } vClear($IF0); #----------------------------------------------------------------------------# #2. Capture the retransmitted message unitil RTprev = MRT + RAND*MRT #----------------------------------------------------------------------------# my $timeout = 0; my ($retsol2, %sol2) = (1, ()); while(check_equal($interval,$SOL_MAX_RT,$RAND)){ if($interval > 0){ $timeout = (2 + $RAND) * $interval; }else{ $timeout = (1 + $RAND) * $IRT; } ($retsol2,%sol2) = wait_for_solicit($IF0, $timeout); $nextime = getElapsedtime(\%sol2); if($retsol2 != 0){ dhcpExitFail; vRemoteAsyncWait(); } vClear($IF0); $interval = $nextime - $pretime; vLogHTML("RT = $interval
"); $pretime = $nextime; } vLogHTML("MRT = $interval
"); vRemoteAsyncWait(); #----------------------------------------------------------------------------# #3. Compare the message with first message #----------------------------------------------------------------------------# $ret = compare_message(\%sol1,\%sol2); if($ret != 0){ vLogHTML('Message has been changed !
'); dhcpExitFail; } vStop($IF0); dhcpExitPass; ############################################################################### __END__ =head1 NAME C_RFC3315_17_1_2_SolRetransMRT.seq - Check MRT of retransmission of Solicit =head1 TARGET Client =head1 SYNOPSIS =begin html 
   C_RFC3315_17_1_2_SolRetransMRT.seq [-tooloption...] 
  -pkt   C_RFC3315_17_1_2_SolRetransMRT.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)
        |       |
        | ----> |Solicit (1*)
        |       |
        | ----> |Solicit (2*)
        .       .
        .       .until RTprev = MRT + MRT*RAND 
        |       |
        | ----> |Solicit (3*)
        |       |
        |       |
=end html =head1 JUDGEMENT =begin html 
  (3*)PASS: The RT must reach MRT.
=end html =head1 TERMINATION =begin html 
  N/A
=end html =head1 REFERENCE =begin html 
  Also see RFC3315


  5.5. Transmission and Retransmission Parameters
  14. Reliability of Client Initiated Message Exchanges  
  17.1.2. Transmission of Solicit Messages
=end html =head1 SEE ALSO =begin html 


  perldoc  V6evalTool
=end html