diff options
Diffstat (limited to 'dist/Net-Ping/t/410_syn_host.t')
-rw-r--r-- | dist/Net-Ping/t/410_syn_host.t | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/dist/Net-Ping/t/410_syn_host.t b/dist/Net-Ping/t/410_syn_host.t new file mode 100644 index 0000000000..efadcb4b8c --- /dev/null +++ b/dist/Net-Ping/t/410_syn_host.t @@ -0,0 +1,103 @@ +# Same as 400_ping_syn.t but testing ack( $host ) instead of ack( ). + +BEGIN { + if ($ENV{PERL_CORE}) { + unless ($ENV{PERL_TEST_Net_Ping}) { + print "1..0 # Skip: network dependent test\n"; + exit; + } + } + unless (eval "require Socket") { + print "1..0 \# Skip: no Socket\n"; + exit; + } + unless (getservbyname('echo', 'tcp')) { + print "1..0 \# Skip: no echo port\n"; + exit; + } + unless (getservbyname('http', 'tcp')) { + print "1..0 \# Skip: no http port\n"; + exit; + } +} + +# Remote network test using syn protocol. +# +# NOTE: +# Network connectivity will be required for all tests to pass. +# Firewalls may also cause some tests to fail, so test it +# on a clear network. If you know you do not have a direct +# connection to remote networks, but you still want the tests +# to pass, use the following: +# +# $ PERL_CORE=1 make test + +# Try a few remote servers +my $webs = { + # Hopefully this is never a routeable host + "172.29.249.249" => 0, + + # Hopefully all these web ports are open + "www.geocities.com." => 1, + "www.freeservers.com." => 1, + "yahoo.com." => 1, + "www.yahoo.com." => 1, + "www.about.com." => 1, + "www.microsoft.com." => 1, + "127.0.0.1" => 1, +}; + +use strict; +use Test; +use Net::Ping; +plan tests => ((keys %{ $webs }) * 2 + 3); + +# Everything loaded fine +ok 1; + +my $can_alarm = eval {alarm 0; 1;}; + +sub Alarm { + alarm(shift) if $can_alarm; +} + +Alarm(50); +$SIG{ALRM} = sub { + ok 0; + die "TIMED OUT!"; +}; + +my $p = new Net::Ping "syn", 10; + +# new() worked? +ok !!$p; + +# Change to use the more common web port. +# (Make sure getservbyname works in scalar context.) +ok ($p -> {port_num} = getservbyname("http", "tcp")); + +foreach my $host (keys %{ $webs }) { + # ping() does dns resolution and + # only sends the SYN at this point + Alarm(50); # (Plenty for a DNS lookup) + if (!ok($p -> ping($host))) { + print STDERR "CANNOT RESOLVE $host $p->{bad}->{$host}\n"; + } +} + +Alarm(20); +foreach my $host (sort keys %{ $webs }) { + my $on = $p->ack($host); + if (!ok (($on && $webs->{$host}) || + (!$on && !$webs->{$host}))) { + if ($on) { + print STDERR "SUPPOSED TO BE DOWN: http://$host/\n"; + } else { + print STDERR "DOWN: http://$host/ [",($p->{bad}->{$host} || ""),"]\n"; + } + } + delete $webs->{$host}; + Alarm(20); +} + +Alarm(0); |