diff options
Diffstat (limited to '3rdparty/openpgm-svn-r1135/pgm/test/nak_cancellation.pl')
| -rwxr-xr-x | 3rdparty/openpgm-svn-r1135/pgm/test/nak_cancellation.pl | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/3rdparty/openpgm-svn-r1135/pgm/test/nak_cancellation.pl b/3rdparty/openpgm-svn-r1135/pgm/test/nak_cancellation.pl new file mode 100755 index 0000000..9db12e9 --- /dev/null +++ b/3rdparty/openpgm-svn-r1135/pgm/test/nak_cancellation.pl @@ -0,0 +1,163 @@ +#!/usr/bin/perl +# nak_cancellation.pl +# 6.3. Data Recovery by Negative Acknowledgment + +use strict; +use IO::Handle; +use JSON; +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}); + +pipe(FROM_PARENT, TO_CHILD) or die "pipe: $!"; +FROM_PARENT->autoflush(1); + +$mon->connect; +$sim->connect; +$app->connect; + +sub close_ssh { + close FROM_PARENT; close TO_CHILD; + $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"); +$app->say ("set ao NAK_BO_IVL 5000"); # increase to count for test system latency +$app->say ("set ao NAK_RPT_IVL 10000"); +$app->say ("set ao NAK_RDATA_IVL 10000"); +$app->say ("set ao NAK_NCF_RETRIES 15"); +$app->say ("set ao NAK_DATA_RETRIES 10"); +$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"; +$sim->die_on_nak ({ 'timeout' => 2 }); +print "sim: no NAKs received.\n"; + +print "sim: publish ODATA sqn 90,003.\n"; +$sim->say ("net send odata ao 90003 90001 ichigo"); +my $t0 = [gettimeofday]; + +if (my $pid = fork) { +# parent + close FROM_PARENT; + + sleep 10; + + print "app: wait for data ...\n"; + my $data = $app->wait_for_data({ 'timeout' => 0 }); + print "app: data received [$data].\n"; + + print TO_CHILD "die\n"; + + close TO_CHILD; + waitpid($pid,0); +} else { +# child + die "cannot fork: $!" unless defined $pid; + close TO_CHILD; + + print "sim: loop waiting for NAKs ...\n"; + + my $fh = $sim->{in}; + vec(my $rin, fileno(FROM_PARENT), 1) = 1; + vec($rin, fileno($fh), 1) = 1; + my $rout = undef; + + my $b = ''; + my $state = 0; + my $json = new JSON; + my $io = IO::Handle->new_from_fd( fileno($fh), "r" ); + my $cnt = 0; + while (select($rout = $rin, undef, undef, undef)) + { + last if( vec($rout, fileno(FROM_PARENT), 1) ); + while (defined($_ = $io->getline)) + { + chomp; + my $l = $_; + if ($state == 0) { + if ($l =~ /{$/) { + $state = 1; + } else { + print "sim [$l]\n"; + last; + } + } + + if ($state == 1) { + $b .= $l; + + if ($l =~ /^}$/) { + $state = 0; + + my $obj = $json->jsonToObj($b); + if ($obj->{PGM}->{type} =~ /NAK/) { + $cnt++; + my $elapsed = tv_interval ( $t0, [gettimeofday] ); + print "sim: $cnt x NAK received in $elapsed seconds.\n"; + $sim->say ("net send ncf ao $odata->{PGM}->{gsi}.$odata->{PGM}->{sourcePort} 90002"); + } + +# reset + $b = ''; + last; + } + } + } + last if ($io->eof); + } + + print "sim: loop finished.\n"; + close FROM_PARENT; + exit; +} + +print "test completed successfully.\n"; + +$mon->disconnect (1); +$sim->disconnect; +$app->disconnect; +close_ssh; + +# eof |