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|
#!/usr/bin/perl
# vim: filetype=perl
# Test connection queuing. Set the per-connection queue to be really
# small (one in all), and then try to allocate two connections. The
# second should queue.
use warnings;
use strict;
use lib qw(./mylib ../mylib);
use Test::More tests => 8;
sub POE::Kernel::ASSERT_DEFAULT () { 1 }
use POE;
use POE::Component::Client::Keepalive;
use POE::Component::Resolver;
use Socket qw(AF_INET);
use TestServer;
my $server_port = TestServer->spawn(0);
POE::Session->create(
inline_states => {
_child => sub { },
_start => \&start,
_stop => sub { },
got_error => \&got_error,
got_first_conn => \&got_first_conn,
got_fourth_conn => \&got_fourth_conn,
got_third_conn => \&got_third_conn,
got_timeout => \&got_timeout,
test_pool_alive => \&test_pool_alive,
}
);
sub start {
my $heap = $_[HEAP];
$heap->{cm} = POE::Component::Client::Keepalive->new(
max_per_host => 1,
resolver => POE::Component::Resolver->new(af_order => [ AF_INET ]),
);
# Count the number of times test_pool_alive is called. When that's
# 2, we actually do the test.
$heap->{test_pool_alive} = 0;
# Make two identical tests. They're both queued because the free
# pool is empty at this point.
{
$heap->{cm}->allocate(
scheme => "http",
addr => "localhost",
port => $server_port,
event => "got_first_conn",
context => "first",
);
}
{
$heap->{cm}->allocate(
scheme => "http",
addr => "localhost",
port => $server_port,
event => "got_first_conn",
context => "second",
);
}
}
sub got_first_conn {
my ($kernel, $heap, $stuff) = @_[KERNEL, HEAP, ARG0];
my $conn = $stuff->{connection};
my $which = $stuff->{context};
if (defined $conn) {
pass "$which request honored asynchronously";
}
else {
fail(
"$which request $stuff->{function} error $stuff->{error_num}: " .
$stuff->{error_str}
);
}
if ($which eq 'first') {
ok(not (defined ($stuff->{from_cache})), "$which not from cache");
} else {
is($stuff->{from_cache}, 'deferred', "$which deferred from cache");
}
$kernel->yield("test_pool_alive");
}
sub got_third_conn {
my ($kernel, $heap, $stuff) = @_[KERNEL, HEAP, ARG0];
my $conn = $stuff->{connection};
my $which = $stuff->{context};
if (defined $conn) {
pass "$which request honored asynchronously";
}
else {
fail(
"$which request $stuff->{function} error $stuff->{error_num}: " .
$stuff->{error_str}
);
}
is($stuff->{from_cache}, 'immediate', "$which connection request honored from pool immediately");
}
# We need a free connection pool of 2 or more for this next test. We
# want to allocate and free one of them to make sure the pool is not
# destroyed. Yay, Devel::Cover, for making me actually do this.
sub test_pool_alive {
my ($kernel, $heap) = @_[KERNEL, HEAP];
$heap->{test_pool_alive}++;
return unless $heap->{test_pool_alive} == 2;
$heap->{cm}->allocate(
scheme => "http",
addr => "localhost",
port => $server_port,
event => "got_third_conn",
context => "third",
);
$heap->{cm}->allocate(
scheme => "http",
addr => "localhost",
port => $server_port,
event => "got_fourth_conn",
context => "fourth",
);
}
sub got_fourth_conn {
my ($kernel, $heap, $stuff) = @_[KERNEL, HEAP, ARG0];
my $conn = delete $stuff->{connection};
if (defined $conn) {
pass "fourth request established asynchronously";
}
else {
fail(
"fourth request $stuff->{function} error $stuff->{error_num}: " .
$stuff->{error_str}
);
}
is ($stuff->{from_cache}, 'deferred', "connection from pool");
$conn = undef;
TestServer->shutdown();
$heap->{cm}->shutdown();
}
POE::Kernel->run();
exit;
|
