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package network::test; # $Id$
use strict;
use MDK::Common;
use run_program;
use Socket;
sub new {
my ($class, $o_hostname) = @_;
bless {
hostname => $o_hostname || "mandrakesoft.com"
}, $class;
}
#- launch synchronous test, will hang until the test finishes
sub test_synchronous {
my ($o) = @_;
($o->{address}, $o->{ping}) = resolve_and_ping($o->{hostname});
$o->{done} = 1;
}
#- launch asynchronous test, will not hang
sub start {
my ($o) = @_;
$o->{done} = 0;
$o->{kid} = bg_command->new(sub {
my ($address, $ping) = resolve_and_ping($o->{hostname});
print "$address|$ping\n";
});
}
#- abort asynchronous test
sub abort {
my ($o) = @_;
if ($o->{kid}) {
kill -9, $o->{kid}{pid};
undef $o->{kid};
}
}
#- returns a true value if the test is finished, usefull for asynchronous tests
sub is_done {
my ($o) = @_;
$o->update_status;
to_bool($o->{done});
}
#- return a true value if the connection works (hostname resolution and ping)
sub is_connected {
my ($o) = @_;
to_bool(defined($o->{hostname}) && defined($o->{ping}));
}
#- get hostname used in test for resolution and ping
sub get_hostname {
my ($o) = @_;
$o->{hostname};
}
#- get resolved address (if any) of given hostname
sub get_address {
my ($o) = @_;
$o->{address};
}
#- get ping (if any) to given hostname
sub get_ping {
my ($o) = @_;
$o->{ping};
}
sub resolve_and_ping {
my ($hostname) = @_;
require Net::Ping;
require Time::HiRes;
my $p;
if ($>) {
$p = Net::Ping->new('tcp');
# Try connecting to the www port instead of the echo port
$p->{port_num} = getservbyname('http', 'tcp');
} else {
$p = Net::Ping->new('icmp');
}
$p->hires; #- get ping as float
#- default timeout is 5 seconds
my ($ret, $ping, $address) = $p->ping($hostname, 5);
if ($ret) {
return $address, $ping;
} elsif (defined($ret)) {
return $address;
}
}
sub update_status {
my ($o) = @_;
if ($o->{kid}) {
my $fd = $o->{kid}{fd};
fcntl($fd, c::F_SETFL(), c::O_NONBLOCK()) or die "can not fcntl F_SETFL: $!";
local $| = 1;
if (defined(my $output = <$fd>)) {
($o->{address}, $o->{ping}) = $output =~ /^([\d\.]+)\|([\d\.,]+)*$/;
$o->{done} = 1;
undef $o->{kid};
}
}
}
1;
=head1 network::test
=head2 Test synchronously
#- resolve and get ping to hostname from command line if given, else to Mandrakesoft
use lib qw(/usr/lib/libDrakX);
use network::test;
my $net_test = network::test->new($ARGV[0]);
$net_test->test_synchronous;
my $is_connected = $net_test->is_connected;
my $hostname = $net_test->get_hostname;
my $address = $net_test->get_address;
my $ping = $net_test->get_ping;
print "connected: $is_connected
host: $hostname
resolved host: $address
ping to host: $ping
";
=head2 Test asynchronously
#- resolve and get ping to hostname from command line if given, else to Mandrakesoft
#- prints a "." every 10 miliseconds during connection test
use lib qw(/usr/lib/libDrakX);
use network::test;
my $net_test = network::test->new($ARGV[0]);
$net_test->start;
do {
print ".\n";
select(undef, undef, undef, 0.01);
} while !$net_test->is_done;
my $is_connected = $net_test->is_connected;
my $hostname = $net_test->get_hostname;
my $address = $net_test->get_address;
my $ping = $net_test->get_ping;
print "connected: $is_connected
host: $hostname
resolved host: $address
ping to host: $ping
";
=cut
|
