private $counter = 0;
private function count()
{
return $this->counter++;
}
public function consume($payload, AMQPEnvelope $envelope, AMQPQueue $queue)
{
if (rand(0, 100) > 90) {
// throw exception with probability 0.1
throw new Exception('Random exception');
}
echo "Received payload # {$this->count()} ", gettype($payload), PHP_EOL;
}
public function failure(Exception $e, AMQPEnvelope $envelope, AMQPQueue $queue)
{
echo "Failed to process payload # {$this->count()} due to exception: {$e->getMessage()}", PHP_EOL;
}
public function before(AMQPEnvelope $envelope, AMQPQueue $queue)
{
echo "Method ", __METHOD__, " called before consuming", PHP_EOL;
}
public function after(AMQPEnvelope $envelope, AMQPQueue $queue)
{
echo "Method ", __METHOD__, " called after consuming", PHP_EOL;
$queue->cancel();
// stop consumer to receive envelopes from server
}
}
$exchange = new Generic('example.fanout', $config);
$exchange->listen(new EchoConsumer(), 'example.fanout.default');
}
public function getRadioStation()
{
return $this->radio_station;
}
public function consume($payload, AMQPEnvelope $envelope, AMQPQueue $queue)
{
if (rand(0, 100) > 95) {
throw new Exception('some atmospheric disturbances');
} elseif (rand(0, 100) > 85) {
throw new Exception('low battery charge');
} elseif (rand(0, 100) > 75) {
throw new Exception('low audio quality');
}
echo "Received forecast #{$this->count()} from {$this->getRadioStation()} radio station: {$payload}, route key({$envelope->getRoutingKey()})", PHP_EOL;
}
public function failure(Exception $e, AMQPEnvelope $envelope, AMQPQueue $queue)
{
echo "Failed to receive forecast #{$this->count()} from {$this->getRadioStation()} radio station due to {$e->getMessage()}", PHP_EOL;
}
public function preConsume(AMQPQueue $queue)
{
}
public function postConsume(AMQPQueue $queue)
{
}
}
$exchange = new Generic('example.topic.weather', Config::get('amqp_params'));
$receiver = new DemoReceiver();
$exchange->listen($receiver, "example.topic.weather.{$receiver->getRadioStation()}");
