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#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
use qpid_proton;
package async::CallbackAdapter;
sub new {
my ($class) = @_;
my ($self) = {};
my $messenger = $_[1];
$self->{_messenger} = $messenger;
$messenger->set_blocking(0);
$messenger->set_incoming_window(1024);
$messenger->set_outgoing_window(1024);
my $message = qpid::proton::Message->new();
$self->{_message} = $message;
$self->{_incoming} = $message;
$self->{_tracked} = {};
bless $self, $class;
return $self;
}
sub run {
my ($self) = @_;
$self->{_running} = 1;
my $messenger = $self->{_messenger};
$messenger->start();
$self->on_start();
do {
$messenger->work;
$self->process_outgoing;
$self->process_incoming;
} while($self->{_running});
$messenger->stop();
while(!$messenger->stopped()) {
$messenger->work;
$self->process_outgoing;
$self->process_incoming;
}
$self->on_stop();
}
sub stop {
my ($self) = @_;
$self->{_running} = 0;
}
sub process_outgoing {
my ($self) = @_;
my $tracked = $self->{_tracked};
foreach $key (keys %{$tracked}) {
my $on_status = $tracked->{$key};
if (defined($on_status)) {
if (!($on_status eq qpid::proton::Tracker::PENDING)) {
$self->$on_status($status);
$self->{_messenger}->settle($t);
# delete the settled item
undef $tracked->{$key};
}
}
}
}
sub process_incoming {
my ($self) = @_;
my $messenger = $self->{_messenger};
while ($messenger->incoming > 0) {
my $message = $self->{_message};
my $t = $messenger->get($message);
$self->on_receive($message);
$messenger->accept($t);
}
}
sub send {
my ($self) = @_;
my $messenger = $self->{_messenger};
my $tracked = $self->{_tracked};
my $message = $_[1];
my $on_status = $_[2] || undef;
my $tracker = $messenger->put($message);
$tracked->{$tracker} = $on_status if (defined($on_status));
}
1;
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