include timer handling in test lib

Change-Id: Ib67a5ea3e6fc1cfa9a34e0a30ee13f7116b2fd73

utils/Rtpengine.pm

@@ -66,7 +66,7 @@ sub answer {
 package Rtpengine::Test;
 
 sub new {
-	my ($class, $callback) = @_;
+	my ($class) = @_;
 
 	my $self = {};
 	bless $self, $class;
@@ -95,12 +95,11 @@ sub new {
 	$self->{mux}->set_callback_object($self);
 
 	$self->{media_port} = 2000;
+	$self->{timers} = [];
 
 	$self->{rtpe} = Rtpengine->new('localhost', 2223);
 	$self->{callid} = rand();
 
-	$self->{callback} = $callback;
-
 	return $self;
 };
 
@@ -115,6 +114,12 @@ sub run {
 	$self->{mux}->loop();
 }
 
+sub timer_once {
+	my ($self, $delay, $sub) = @_;
+	push(@{$self->{timers}}, { sub => $sub, when => time() + $delay });
+	@{$self->{timers}} = sort {$a->{when} <=> $b->{when}} @{$self->{timers}};
+}
+
 sub mux_input {
 	my ($self, $mux, $fh, $input) = @_;
 
@@ -124,9 +129,13 @@ sub mux_input {
 sub mux_timeout {
 	my ($self, $mux, $fh) = @_;
 
-	$self->{callback}->(time());
-
 	$mux->set_timeout($fh, 0.01);
+
+	my $now = time();
+	while (@{$self->{timers}} && $self->{timers}->[0]->{when} <= $now) {
+		my $t = shift(@{$self->{timers}});
+		$t->{sub}->();
+	}
 }
 
 

utils/test-basic.pl

@@ -0,0 +1,15 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+use Rtpengine;
+
+my $r = Rtpengine::Test->new();
+my $a = $r->client();
+my $b = $r->client();
+
+$r->timer_once(3, sub { $b->answer($a) });
+
+$a->offer($b);
+
+$r->run();

utils/test3.pl

@@ -1,27 +0,0 @@
-#!/usr/bin/perl
-
-use strict;
-use warnings;
-use Rtpengine;
-use Time::HiRes qw(time);
-
-my ($r, $a, $b);
-
-my $offer = time();
-my $answer = $offer + 3;
-
-my $answer_done = 0;
-my $cb = sub {
-	my ($now) = @_;
-	if ($now >= $answer && !$answer_done) {
-		$b->answer($a);
-		$answer_done = 1;
-	}
-};
-
-$r = Rtpengine::Test->new($cb);
-$a = $r->client();
-$b = $r->client();
-
-$a->offer($b);
-$r->run();