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|
#!/usr/bin/perl
###########################################################################
# creates a UAC and a UAS using Net::SIP::Simple
# and makes call from UAC to UAS,
# this calls will be dropped by UAS
###########################################################################
use strict;
use warnings;
use Test::More tests => 9;
use Cwd;
# Try to make sure we are in the test directory
my $cwd = Cwd::cwd();
chdir 't' if $cwd !~ m{/t$};
$cwd = Cwd::cwd();
use IO::Socket;
use Net::SIP ':alias';
use Net::SIP::Util ':all';
use Net::SIP::Blocker;
use Net::SIP::Dropper;
use Net::SIP::Dropper::ByIPPort;
use Net::SIP::Dropper::ByField;
use Net::SIP::ReceiveChain;
# Open a filehandle to anonymous tempfile
ok( open( my $tfh, "+>", undef ), "open tempfile");
# create leg for UAS on dynamic port
my $sock_uas = IO::Socket::INET->new(
Proto => 'udp',
LocalAddr => '127.0.0.1',
LocalPort => 0, # let system pick one
);
ok( $sock_uas, 'create socket' );
# get address for UAS
my ($port,$host) = unpack_sockaddr_in ( getsockname($sock_uas));
$host = inet_ntoa( $host );
# fork UAS and make call from UAC to UAS
pipe( my $read,my $write); # to sync UAC with UAS
my $pid = fork();
if ( defined($pid) && $pid == 0 ) {
$SIG{__DIE__} = undef;
close($read);
$write->autoflush;
uas( $sock_uas, $write, $host );
exit(0);
}
ok( $pid, "fork successful" );
close( $sock_uas );
close($write);
alarm(10);
$SIG{__DIE__} = $SIG{ALRM} = sub { kill 9,$pid; ok( 0,'died' ) };
uac( "$host:$port", $read );
ok( <$read>, "UAS got INVITE, dropped it and wrote database file" );
wait;
###############################################
# UAC
###############################################
sub uac {
my ($peer_addr,$pipe) = @_;
Debug->set_prefix( "DEBUG(uac):" );
ok( <$pipe>, "UAS created" ); # wait until UAS is ready
my $uac = Simple->new(
from => 'me.uac@example.com',
leg => scalar(create_socket_to( $peer_addr )),
domain2proxy => { 'example.com' => $peer_addr },
);
ok( $uac, 'UAC created' );
my $dropping;
my $call = $uac->invite(
'you.uas@example.com',
cb_final => sub { $dropping++ }
);
ok( <$pipe>, "UAS ready" ); # wait until UAS is ready
ok( ! $uac->error, "UAC ready\nNow send INVITE for 5 seconds" );
# print UAC address into tempfile
print $tfh $uac->{dispatcher}{legs}[0]->laddr(1);
close($tfh);
$call->loop(\$dropping, 5);
# done
ok( ! $dropping,'UAC got no answer from UAS' );
$uac->cleanup;
}
###############################################
# UAS
###############################################
sub uas {
my ($sock,$pipe,$uac_ip) = @_;
Debug->set_prefix( "DEBUG(uas):" );
my $leg = Leg->new( sock => $sock );
my $loop = Dispatcher_Eventloop->new;
my $disp = Dispatcher->new( [ $leg ],$loop ) || die $!;
print $pipe "UAS created\n";
# Dropping
my $by_ipport = Net::SIP::Dropper::ByIPPort->new(
database => "$cwd/database.drop",
methods => [ 'INVITE' ],
attempts => 10,
interval => 60,
);
my $by_field = Net::SIP::Dropper::ByField->new(
'From' => qr{uac.+xamp},
);
my $drop = Net::SIP::Dropper->new( cbs => [ $by_ipport,$by_field ]);
# Block (= send answer) if not droped
my $block = Net::SIP::Blocker->new(
block => { 'INVITE' => 405 },
dispatcher => $disp,
);
my $chain = Net::SIP::ReceiveChain->new( [ $drop, $block ] );
$disp->set_receiver( $chain );
print $pipe "UAS ready\n";
$loop->loop(2);
seek( $tfh,0,0);
my $line = <$tfh>;
$line =~m{^127.0.0.1(?::(\d+))?$} or die "unexpected line $line";
my $uac_port = $1 || 5060;
close($tfh);
if ( $by_ipport->data->{$uac_ip}{$uac_port} ) {
print $pipe "UAS got INVITE, dropped it and wrote database file\n";
}
}
|
