#!/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_2_RetransCnf.seq,v 1.19 2006/03/14 01:16:24 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 $IF0 = "Link0"; my ($start,$rd,$MRD) = (0,0,$CNF_MAX_RD); my $timeout = 2*$CNF_MAX_RT; #--------------------------------------------------------------# # Initialize DHCPv6 Client #--------------------------------------------------------------# dhcpCltStart(); vCapture($IF0); #--------------------------------------------------------------# #1. Wait until Solicit arrives #--------------------------------------------------------------# my ($retsol,%sol) = wait_for_solicit($IF0,30); if($retsol != 0){ dhcpExitFail; } vClear($IF0); #--------------------------------------------------------------# #2. Send Advertise to reply to Solicit #--------------------------------------------------------------# $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 #--------------------------------------------------------------# $StatusCode_OPTION = "opt_StatusCode"; my ($retrep, %rep) = send_reply($IF0, "reply_server1_to_nut", \%req, ""); if($retrep !=0){ dhcpExitFail; } # wait for DAD completion vRecv($IF0, 3, 0, 0, 'dadns_nutga'); vSleep(3); my $ret = ping_test($IF0); if($ret != 0){ dhcpExitFail; } vClear($IF0); #--------------------------------------------------------------# # Restart DHCP Client #--------------------------------------------------------------# #dhcpCltRestart(); $ret = undef; $ret = vRemoteAsync("dhcp6c.rmt", "restart", "link0=$IF0_NUT"); if($ret != 0) { vLogHTML('Cannot Restart DHCPv6 Client.
'); vRemoteAsyncWait(); dhcpExitFail; }; #--------------------------------------------------------------# #5. Wait until confirm arrives #--------------------------------------------------------------# my ($retcnf1,%cnf1) = wait_for_confirm($IF0, $timeout); if($retcnf1 != 0){ vRemoteAsyncWait(); dhcpExitFail; } vClear($IF0); $start = getElapsedtime(\%cnf1); my $ago = $start; #First retransmitted RT my ($retcnf2,%cnf2) = wait_for_confirm($IF0, $timeout); if($retcnf2 != 0){ vRemoteAsyncWait(); dhcpExitFail; } vClear($IF0); my $now = getElapsedtime(\%cnf2); $rd = $now - $start; my $RT = $now - $ago; my $RTnextMAX = $RT*2 + $RAND*$RT; my $RTnextMIN = $RT*2 - $RAND*$RT; $ago = $now; #--------------------------------------------------------------# #6. Wait until retransmitted message arrives #--------------------------------------------------------------# while($rd + $RTnextMIN <= $MRD){ ($retcnf2,%cnf2) = wait_for_confirm($IF0,$RTnextMAX); if($retcnf2 != 0){ vRemoteAsyncWait(); dhcpExitFail; } $now = getElapsedtime(\%cnf2); $rd = $now - $start; $RT = $now - $ago; $RTnextMAX = $RT*2 + $RAND*$RT; $RTnextMIN = $RT*2 - $RAND*$RT; $ago = $now; vClear($IF0); } my ($retcnf2,%cnf2) = wait_for_confirm($IF0, $timeout); if($retcnf2 == 0){ vLogHTML(" RD more than CNF_MAX_RD($MRD) !
"); vRemoteAsyncWait(); dhcpExitFail; } vRemoteAsyncWait(); dhcpExitPass; ############################################################################### __END__ =head1 NAME C_RFC3315_18_1_2_RetransCnf.seq - Check MRD for retransmission of Confirm =head1 TARGET Client =head1 SYNOPSIS =begin html 
   C_RFC3315_18_1_2_RetransCnf.seq [-tooloption...] 
  -pkt   C_RFC3315_18_1_2_RetransCnf.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
        | <---- |Advertise
        | ----> |Request
        | <---- |Reply
        | <---- |Echo Request
        | ----> |Echo Reply
        |       |
        |       |Reboot NUT 
        |       |
        | ----> |Confirm
        |       |
        |       |Repeat unitl evaluating retransmission time is more than MRD 
        |       |
        | ----> |Confirm(8*)
        |       |
        |       |
=end html =head1 JUDGEMENT =begin html 

  
  (8*)PASS: NUT does NOT retransmit Confirm message.
=end html =head1 TERMINATION =begin html 
  N/A
=end html =head1 REFERENCE =begin html 
  Also see RFC3315


  18.1.2. Creation and Transmission of Confirm Messages
=end html =head1 SEE ALSO =begin html 


  perldoc  V6evalTool
=end html