diff options
Diffstat (limited to '3rdparty/openpgm-svn-r1085/pgm/test/ncf_suppression.pl')
-rwxr-xr-x | 3rdparty/openpgm-svn-r1085/pgm/test/ncf_suppression.pl | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/3rdparty/openpgm-svn-r1085/pgm/test/ncf_suppression.pl b/3rdparty/openpgm-svn-r1085/pgm/test/ncf_suppression.pl new file mode 100755 index 0000000..c1d42a8 --- /dev/null +++ b/3rdparty/openpgm-svn-r1085/pgm/test/ncf_suppression.pl @@ -0,0 +1,101 @@ +#!/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 ("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"); +$sim->say ("bind ao"); + +print "sim: publish SPM txw_trail 90,001 txw_lead 90,000 at spm_sqn 3200.\n"; +$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 |