1 files changed, 103 insertions, 0 deletions
diff --git a/3rdparty/openpgm-svn-r1135/pgm/test/ncf_suppression.pl b/3rdparty/openpgm-svn-r1135/pgm/test/ncf_suppression.pl
new file mode 100755
index 0000000..fbb3de7
--- /dev/null
+++ b/3rdparty/openpgm-svn-r1135/pgm/test/ncf_suppression.pl
@@ -0,0 +1,103 @@
+#!/usr/bin/perl
+# ncf_suppression.pl
+# 6.3. Data Recovery by Negative Acknowledgment
+
+use strict;
+use Time::HiRes qw( gettimeofday tv_interval );
+use PGM::Test;
+
+BEGIN { require "test.conf.pl"; }
+
+$| = 1;
+
+my $mon = PGM::Test->new(tag => 'mon', host => $config{mon}{host}, cmd => $config{mon}{cmd});
+my $sim = PGM::Test->new(tag => 'sim', host => $config{sim}{host}, cmd => $config{sim}{cmd});
+my $app = PGM::Test->new(tag => 'app', host => $config{app}{host}, cmd => $config{app}{cmd});
+
+$mon->connect;
+$sim->connect;
+$app->connect;
+
+sub close_ssh {
+	$mon = $sim = $app = undef;
+	print "finished.\n";
+}
+
+$SIG{'INT'} = sub { print "interrupt caught.\n"; close_ssh(); };
+
+$mon->say ("filter $config{app}{ip}");
+print "mon: ready.\n";
+
+$app->say ("create ao");
+$app->say ("bind ao");
+$app->say ("connect ao");
+$app->say ("listen ao");
+
+## capture GSI of test spp
+$app->say ("send ao nashi");
+print "mon: wait for odata ...\n";
+my $odata = $mon->wait_for_odata;
+print "mon: odata received.\n";
+
+$sim->say ("create fake ao");
+$sim->say ("bind ao");
+$sim->say ("connect ao");
+
+print "sim: publish SPM txw_trail 90,001 txw_lead 90,000 at spm_sqn 3200.\n";
+$sim->say ("net send spm ao 3200 90001 90000");
+
+# no NAKs should be generated.
+print "sim: waiting 2 seconds for erroneous NAKs ...\n";
+$sim->die_on_nak ({ 'timeout' => 2 });
+print "sim: no NAKs received.\n";
+
+print "sim: publish ODATA sqn 90,001.\n";
+$sim->say ("net send odata ao 90001 90001 ringo");
+
+print "app: wait for data ...\n";
+my $data = $app->wait_for_data;
+print "app: data received [$data].\n";
+
+# no NAKs should be generated.
+print "sim: waiting 2 seconds for erroneous NAKs ...\n";
+$sim->die_on_nak ({ 'timeout' => 2 });
+print "sim: no NAKs received.\n";
+
+## first run through with regular NAK generation to get regular backoff interval
+print "sim: publish ODATA sqn 90,003.\n";
+$sim->say ("net send odata ao 90003 90001 ichigo");
+my $t0 = [gettimeofday];
+print "sim: waiting for valid NAK.\n";
+$sim->wait_for_nak;
+my $normal_backoff = tv_interval ( $t0, [gettimeofday] );
+print "sim: NAK received in $normal_backoff seconds.\n";
+
+## cleanup by publishing repair data
+print "sim: publish RDATA sqn 90,002.\n";
+$sim->say ("net send odata ao 90002 90001 momo");
+print "app: wait for data ...\n";
+my $data = $app->wait_for_data;
+print "app: data received [$data].\n";
+
+## second run with NAK suppression
+$t0 = [gettimeofday];
+print "sim: publish ODATA sqn 90,005.\n";
+$sim->say ("net send odata ao 90005 90001 anzu");
+print "sim: publish NCF sqn 90,004.\n";
+$sim->say ("net send ncf ao $odata->{PGM}->{gsi}.$odata->{PGM}->{sourcePort} 90004");
+
+print "sim: waiting for valid NAK.\n";
+$sim->wait_for_nak;
+my $suppressed_backoff = tv_interval ( $t0, [gettimeofday] );
+print "sim: NAK received in $suppressed_backoff seconds.\n";
+
+die "NAK suppression failed.\n" unless ($suppressed_backoff > $normal_backoff);
+
+print "test completed successfully.\n";
+
+$mon->disconnect (1);
+$sim->disconnect;
+$app->disconnect;
+close_ssh;
+
+# eof