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#!/usr/bin/perl -w
# $Id: 01_queues.t 18 2003-11-29 23:18:56Z rcaputo $
use strict;
sub POE::Kernel::ASSERT_DEFAULT () { 1 }
use POE;
use POE::Component::JobQueue;
sub DEBUG () { 0 };
$| = 1;
print "1..3\n";
#------------------------------------------------------------------------------
# A list of tasks to run.
my @active_tasks = qw( 5 4 3 2 1 5 4 3 2 1 );
my @passive_tasks = @active_tasks;
my @tests_done;
my $active_test = 1;
my $passive_test = $active_test + scalar @passive_tasks;
my $active_simultaneous = 0;
my $passive_simultaneous = 0;
my $active_max_simultaneous = 0;
my $passive_max_simultaneous = 0;
my $target_done_count = @active_tasks + @passive_tasks;
#------------------------------------------------------------------------------
sub worker_start {
my ($kernel, $heap, $postback, $test, $task, $a_or_p) =
@_[KERNEL, HEAP, ARG0..ARG3];
$heap->{test} = $test;
$heap->{task} = $task;
$heap->{aorp} = $a_or_p;
$heap->{postback} = $postback;
$kernel->delay( done => $task );
DEBUG and warn "$a_or_p test $test started ($task)\n";
if ($a_or_p eq 'active') {
$active_simultaneous++;
$active_max_simultaneous = $active_simultaneous
if $active_simultaneous > $active_max_simultaneous;
}
else {
$passive_simultaneous++;
$passive_max_simultaneous = $passive_simultaneous
if $passive_simultaneous > $passive_max_simultaneous;
}
}
sub worker_done {
my $heap = $_[HEAP];
DEBUG and
warn "$heap->{aorp} test $heap->{test} finished ($heap->{task})\n";
push @tests_done, $heap->{test};
if ($heap->{aorp} eq 'active') {
$active_simultaneous--;
}
else {
$passive_simultaneous--;
}
my $postback = delete $heap->{postback};
if (ref $postback eq 'ARRAY') {
my $session = $_[KERNEL]->alias_resolve($postback->[0]);
if (defined $session) {
$postback = $session->postback( $postback->[1], $heap->{task} );
}
else {
$postback = sub { 1 };
}
}
# Causes some evil recursion somewhere. :(
# $postback->( $heap->{test}, $heap->{task} );
}
#------------------------------------------------------------------------------
sub spawn_worker {
my ($outer_postback, $outer_test, $outer_task, $active_or_passive) = @_;
POE::Session->create
( inline_states =>
{ _start => \&worker_start,
done => \&worker_done,
_stop => sub {},
},
args => [ $outer_postback, $outer_test, $outer_task, $active_or_passive ]
);
}
#------------------------------------------------------------------------------
sub passive_respondee_start {
my $kernel = $_[KERNEL];
$kernel->yield( 'flood_queue' );
}
sub passive_respondee_flood_queue {
my $kernel = $_[KERNEL];
foreach (@passive_tasks) {
$kernel->post( passive => enqueue => response => $_ );
}
$kernel->yield( 'dummy' );
}
sub passive_respondee_response {
my ($request, $response) = @_[ARG0, ARG1];
my (@req_job) = @$request;
my (@resp_answer) = @$response;
DEBUG and warn "passive respondee got: (@req_job) = (@resp_answer)";
}
POE::Session->create
( inline_states =>
{ _start => \&passive_respondee_start,
flood_queue => \&passive_respondee_flood_queue,
response => \&passive_respondee_response,
# quiets ASSERT_DEFAULT
_stop => sub {},
dummy => sub {},
}
);
#------------------------------------------------------------------------------
sub active_respondee_start {
my $kernel = $_[KERNEL];
$kernel->alias_set( 'respondee' );
}
sub active_respondee_response {
my ($request, $response) = @_[ARG0, ARG1];
my (@req_job) = @$request;
my (@resp_answer) = @$response;
DEBUG and warn "active respondee got: (@req_job) = (@resp_answer)";
}
POE::Session->create
( inline_states =>
{ _start => \&active_respondee_start,
response => \&active_respondee_response,
# quiets ASSERT_DEFAULT
_stop => sub {},
}
);
#------------------------------------------------------------------------------
POE::Component::JobQueue->spawn
( Alias => 'active',
WorkerLimit => 5,
Worker =>
sub {
my $metapostback = shift;
my $task = shift @active_tasks;
my $test = $active_test++;
if (defined $task) {
my $postback = $metapostback->($task);
&spawn_worker( $postback, $test, $task, 'active' );
}
},
Active =>
{ AckAlias => 'respondee',
AckState => 'response',
},
);
POE::Component::JobQueue->spawn
( Alias => 'passive',
WorkerLimit => 5,
Worker =>
sub {
my ($postback, $task) = @_;
my $test = $passive_test++;
&spawn_worker($postback, $test, $task, 'passive') if defined $task;
},
Passive => { },
);
# Run it all until done.
$poe_kernel->run();
# Figure out whether the tests worked.
print 'not ' unless $active_max_simultaneous == 5;
print "ok 1\n";
print 'not ' unless $passive_max_simultaneous == 5;
print "ok 2\n";
print 'not ' unless scalar(@tests_done) == $target_done_count;
print "ok 3\n";
exit;
|
