#!/usr/bin/perl # rdata_completion.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"; print "sim: publish ODATA sqn 90,003.\n"; $sim->say ("net send odata ao 90003 90001 ichigo"); print "sim: waiting for valid NAK.\n"; $sim->wait_for_nak; print "sim: NAK received.\n"; print "sim: publish RDATA sqn 90,002.\n"; $sim->say ("net send rdata ao 90002 90001 momo"); for (1..2) { print "app: wait for data ...\n"; my $data = $app->wait_for_data; print "app: data received [$data].\n"; } print "test completed successfully.\n"; $mon->disconnect (1); $sim->disconnect; $app->disconnect; close_ssh; # eof