From 51a9e5849b8a6f3be74c99b9315d6a0e7a920b5f Mon Sep 17 00:00:00 2001 From: Olivier Blin Date: Thu, 2 Sep 2004 06:43:48 +0000 Subject: initial import of connection test package --- perl-install/network/test.pm | 158 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 perl-install/network/test.pm diff --git a/perl-install/network/test.pm b/perl-install/network/test.pm new file mode 100644 index 000000000..2b07234d2 --- /dev/null +++ b/perl-install/network/test.pm @@ -0,0 +1,158 @@ +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}); + $o->{done} = 1; +} + +#- launch asynchronous test, won't hang +sub start { + my ($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'); + } + $p->Net::Ping::hires; #- get ping as float + #- default timeout is 5 seconds + my ($ret, $ping, $address) = $p->Net::Ping::ping($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't 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 -- cgit v1.2.1