#!/usr/bin/perl
#
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 Yokogawa Electric Corporation,
# IPA (Information-technology Promotion Agency, Japan).
# 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. However, using this software for the 
# purpose of testing or evaluating any products including merchantable 
# products may be permitted without any notification to the copyrighters.
# 
# 
# 
# 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.
#
# $TAHI: ct/nd/routerRecvRsInvalid.seq,v 1.8 2002/02/27 01:08:28 masaxmasa Exp $

########################################################################
BEGIN { $V6evalTool::TestVersion = '$Name: REL_2_1_2 $ '; }
 
use V6evalTool;
use nd;
use ra;

ndOptions(@ARGV);

# The following generate debugging messages.
$nd::debug=$ndOpt_v|$ndOpt_vv;

# You can specifies debug options to a remote control program.
# If you want to know more detail, please see the following:
# - V6evalTool.pm: perldoc V6evalTool
# - V6evalRemote.pm: perldoc V6evalRemote
$nd::remote_debug="-o1" if $ndOpt_vv;

$IF=Link0;
$exit_rtn=$V6evalTool::Pass;

#
#
#
$type=$V6evalTool::NutDef{Type};
if($type eq host) {
    vLogHTML("This test is for the router only<BR>");
    exit $V6evalTool::exitRouterOnly;
}

$type=$V6evalTool::NutDef{Type};
if($type ne router) {
    vLogHTML(ndErrmsg("ERROR: $V6evalTool::NutDef{Type}: ".
                      "Unknown target type<BR>"));
    exit $V6evalTool::exitFail;
}

if(raIsMarkDefaultRA() == 0) {
    vLogHTML(ndErrmsg("ERROR: Need RA configuration<BR>"));
    exit $V6evalTool::exitFail;
}

#
# sub test definition:
# - sending pattern,
# - SLLA vs cached LLA
# - expected state
# - message
#
$idx_ptn=0;
$idx_lla=1;
$idx_exp=2;
$idx_explla=3;
$idx_msg=4;
$idx_inc_ip=5;
$idx_prb_ip=6;
$idx_rpy_ip=7;
$idx_ign_ip=8;
$idx_non_n=9;
$idx_rpy_n=10;
$idx_ign_n=11;
$idx_stl_sr=12;
$idx_ign_sr=13;

#
@null=();
$pktdesc{RAra_nut2allnode_any}=ndErrmsg("ERROR: Got RA, but ignored");
@ignore=(RAra_nut2allnode_any);

#
@def_rs_tn2allrouter_invalid_hlimit=
    (
     rs_tn2allrouter_invalid_hlimit,
     same,
     NONCE,
     unchanged,
     'RS w/ SLL, hop limit!=255 (INVALID)',
     \@null, \@null, \@null, \@ignore,
     \@null, \@null, \@null,
     \@null, \@null
     );

@def_rs_tn2allrouter_invalid_chksum=
    (
     rs_tn2allrouter_invalid_chksum,
     same,
     NONCE,
     unchanged,
     'RS w/ SLL, invalid checksum (INVALID)',
     \@null, \@null, \@null, \@ignore,
     \@null, \@null, \@null,
     \@null, \@null
     );

@def_rs_tn2allrouter_invalid_icmpcode=
    (
     rs_tn2allrouter_invalid_icmpcode,
     same,
     NONCE,
     unchanged,
     'RS w/ SLL, icmp code!=0 (INVALID)',
     \@null, \@null, \@null, \@ignore,
     \@null, \@null, \@null,
     \@null, \@null
     );

#
#
#
@defs=
    (
     \@def_rs_tn2allrouter_invalid_hlimit,
     \@def_rs_tn2allrouter_invalid_chksum,
     \@def_rs_tn2allrouter_invalid_icmpcode,
     );

#
#
#
vCapture($IF);

#
#
#
$idx=0;
foreach(@defs) {
    $exp=@$_[$idx_exp];
    $explla=@$_[$idx_explla];
    $msg=@$_[$idx_msg];
    vLogHTML("<HR>");
    vLogHTML("<FONT SIZE=\"+2\">*** NONCE vs. $msg ***</FONT><BR>");
    $s=checkState($_);
    $c=ndCachedLLA($explla);
    if($s =~ /$exp/ && $c eq $explla) {
        $result{$idx}=$V6evalTool::exitPass;
        vLogHTML("<A NAME=\"T$idx\">OK: The target was $s/$c</A><BR>");
    } else {
        $exit_rtn=$V6evalTool::exitFail;
        $result{$idx}=$exit_rtn;
        vLogHTML("<A NAME=\"T$idx\">".
		 ndErrmsg("NG: The target was $s/$c")."</A><BR>");
    }
    $title{$idx}="<TD>$msg</TD><TD>exp:$exp/$explla</TD><TD>result:$s/$c</TD>";
    $idx++;
}
$idx--;

#
#
#
@col=('PTN', 'EXP(State/Cached LLA)', 'RESULT(State/Cached LLA)');
ndPrintSummaryHTML("*** Test Summary: NONCE vs. Invalid RS ***", @col,
                   %title, %result, $idx);

#
#
#
vLogHTML("*** EOT ***<BR>");
exit $exit_rtn;

#
#
#
sub checkState(\@) {
    my($def)=@_;
    my($ptn)=@$def[$idx_ptn];
    my($lla)=@$def[$idx_lla];
    my($exp)=@$def[$idx_exp];
    my($msg)=@$def[$idx_msg];

    my($inc_ip)=@$def[$idx_inc_ip];
    my($prb_ip)=@$def[$idx_prb_ip];
    my($rpy_ip)=@$def[$idx_rpy_ip];
    my($ign_ip)=@$def[$idx_ign_ip];

    my($non_n)=@$def[$idx_non_n];
    my($rpy_n)=@$def[$idx_rpy_n];
    my($ign_n)=@$def[$idx_ign_n];

    my($stl_sr)=@$def[$idx_stl_sr];
    my($ign_sr)=@$def[$idx_ign_sr];

    vLogHTML("<FONT SIZE=\"+1\">Initialization</FONT><BR>");
    goto error if nd2NoNce($IF) != 0;
    vClear($IF);

    vLogHTML("<FONT SIZE=\"+1\">Test</FONT><BR>");
    $pktdesc{$ptn}="Send $msg";
    my(%ret)=vSend($IF, $ptn);
    my($s)=ndStatusNum2Str(ndStatus(
                                    $IF, $ret{sentTime},
                                    @$inc_ip, @$prb_ip, @$rpy_ip, @$ign_ip,
                                    @$non_n, @$rpy_n, @$ign_n,
                                    @$stl_sr, @$ign_sr,
                                    )
                       );
    return $s;

error:
    return("ERROR");
}

########################################################################
__END__

=head1 NAME

routerRecvRsInvalid - Verifying invalid RS does not influence NCE.

=head1 TARGET

Router Only

=head1 SYNOPSIS

  routerRecvRsInvalid.seq [-tooloption ...] -p routerRecvRsInvalid.def

=head1 INITIALIZATION

  Clear NC state for TN.

=head1 TEST PROCEDURE

B<routerRecvRsInvalid> verifies that NUT does not create NCE
even if receive an invalid RS.

=begin html
<PRE>
  TN                 NUT
  ----------------------
<BR>
  State: NONCE (for TN)
<BR>
  ==== invalid NS ===>
<BR>
  <A HREF="#JDG1">Judgment</A>: <A HREF="nd.html">Examining NUT's neighbor state</A>
</PRE>

=end html

=head1 JUDGMENT

=begin html
<PRE>
  ==================+=====================================
  RS                | NCE state
                    +------------------+------------------
                    | Before           | After
                    | receiving the RS | receiving the RS
  ==================+==================+==================
  RS w/ SLL         | NONCE            | NONCE
  hop *limit!=255   |
  ------------------+------------------+------------------
  RS w/ SLL         | NONCE            | NONCE
  *invalid checksum |
  ------------------+------------------+------------------
  RS w/ SLL         | NONCE            | NONCE
  *icmp code!=0     |
  ==================+==================+==================
</PRE>

=end html

=head1 TERMINATION

  N/A

=head1 NOTE

  N/A

=head1 SEE ALSO

  perldoc V6evalTool
  perldoc V6evalRemote

=cut